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224ce89b | 1 | |
7c673cae FG |
2 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
3 | // vim: ts=8 sw=2 smarttab | |
4 | ||
31f18b77 | 5 | #include "include/compat.h" |
7c673cae FG |
6 | #include <errno.h> |
7 | #include <stdlib.h> | |
8 | #include <sys/types.h> | |
9 | #include <boost/algorithm/string.hpp> | |
10 | ||
11 | #include <boost/format.hpp> | |
12 | #include <boost/optional.hpp> | |
13 | #include <boost/utility/in_place_factory.hpp> | |
14 | ||
15 | #include "common/ceph_json.h" | |
16 | #include "common/utf8.h" | |
17 | ||
18 | #include "common/errno.h" | |
19 | #include "common/Formatter.h" | |
20 | #include "common/Throttle.h" | |
21 | #include "common/Finisher.h" | |
22 | ||
23 | #include "rgw_rados.h" | |
24 | #include "rgw_cache.h" | |
25 | #include "rgw_acl.h" | |
26 | #include "rgw_acl_s3.h" /* for dumping s3policy in debug log */ | |
27 | #include "rgw_metadata.h" | |
28 | #include "rgw_bucket.h" | |
29 | #include "rgw_rest_conn.h" | |
30 | #include "rgw_cr_rados.h" | |
31 | #include "rgw_cr_rest.h" | |
32 | ||
33 | #include "cls/rgw/cls_rgw_ops.h" | |
34 | #include "cls/rgw/cls_rgw_types.h" | |
35 | #include "cls/rgw/cls_rgw_client.h" | |
36 | #include "cls/rgw/cls_rgw_const.h" | |
37 | #include "cls/refcount/cls_refcount_client.h" | |
38 | #include "cls/version/cls_version_client.h" | |
39 | #include "cls/log/cls_log_client.h" | |
40 | #include "cls/statelog/cls_statelog_client.h" | |
41 | #include "cls/timeindex/cls_timeindex_client.h" | |
42 | #include "cls/lock/cls_lock_client.h" | |
43 | #include "cls/user/cls_user_client.h" | |
44 | ||
45 | #include "rgw_tools.h" | |
46 | #include "rgw_coroutine.h" | |
47 | #include "rgw_compression.h" | |
48 | ||
7c673cae FG |
49 | #undef fork // fails to compile RGWPeriod::fork() below |
50 | ||
51 | #include "common/Clock.h" | |
52 | ||
53 | #include "include/rados/librados.hpp" | |
54 | using namespace librados; | |
55 | ||
56 | #include <string> | |
57 | #include <iostream> | |
58 | #include <vector> | |
59 | #include <atomic> | |
60 | #include <list> | |
61 | #include <map> | |
62 | #include "auth/Crypto.h" // get_random_bytes() | |
63 | ||
64 | #include "rgw_log.h" | |
65 | ||
66 | #include "rgw_gc.h" | |
67 | #include "rgw_lc.h" | |
68 | ||
69 | #include "rgw_object_expirer_core.h" | |
70 | #include "rgw_sync.h" | |
71 | #include "rgw_data_sync.h" | |
72 | #include "rgw_realm_watcher.h" | |
31f18b77 | 73 | #include "rgw_reshard.h" |
7c673cae FG |
74 | |
75 | #include "compressor/Compressor.h" | |
76 | ||
7c673cae FG |
77 | #define dout_context g_ceph_context |
78 | #define dout_subsys ceph_subsys_rgw | |
79 | ||
80 | using namespace std; | |
81 | ||
82 | static string notify_oid_prefix = "notify"; | |
83 | static string *notify_oids = NULL; | |
84 | static string shadow_ns = "shadow"; | |
85 | static string dir_oid_prefix = ".dir."; | |
86 | static string default_storage_pool_suffix = "rgw.buckets.data"; | |
87 | static string default_bucket_index_pool_suffix = "rgw.buckets.index"; | |
88 | static string default_storage_extra_pool_suffix = "rgw.buckets.non-ec"; | |
89 | static string avail_pools = ".pools.avail"; | |
90 | ||
91 | static string zone_info_oid_prefix = "zone_info."; | |
92 | static string zone_names_oid_prefix = "zone_names."; | |
93 | static string region_info_oid_prefix = "region_info."; | |
94 | static string zone_group_info_oid_prefix = "zonegroup_info."; | |
95 | static string realm_names_oid_prefix = "realms_names."; | |
96 | static string realm_info_oid_prefix = "realms."; | |
97 | static string default_region_info_oid = "default.region"; | |
98 | static string default_zone_group_info_oid = "default.zonegroup"; | |
99 | static string period_info_oid_prefix = "periods."; | |
100 | static string period_latest_epoch_info_oid = ".latest_epoch"; | |
101 | static string region_map_oid = "region_map"; | |
102 | static string zonegroup_map_oid = "zonegroup_map"; | |
103 | static string log_lock_name = "rgw_log_lock"; | |
104 | static string default_realm_info_oid = "default.realm"; | |
105 | const string default_zonegroup_name = "default"; | |
106 | const string default_zone_name = "default"; | |
107 | static string zonegroup_names_oid_prefix = "zonegroups_names."; | |
108 | static RGWObjCategory main_category = RGW_OBJ_CATEGORY_MAIN; | |
109 | #define RGW_USAGE_OBJ_PREFIX "usage." | |
110 | #define FIRST_EPOCH 1 | |
111 | static string RGW_DEFAULT_ZONE_ROOT_POOL = "rgw.root"; | |
112 | static string RGW_DEFAULT_ZONEGROUP_ROOT_POOL = "rgw.root"; | |
113 | static string RGW_DEFAULT_REALM_ROOT_POOL = "rgw.root"; | |
114 | static string RGW_DEFAULT_PERIOD_ROOT_POOL = "rgw.root"; | |
115 | ||
116 | #define RGW_STATELOG_OBJ_PREFIX "statelog." | |
117 | ||
118 | #define dout_subsys ceph_subsys_rgw | |
119 | ||
120 | ||
121 | static bool rgw_get_obj_data_pool(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
122 | const string& placement_id, const rgw_obj& obj, rgw_pool *pool) | |
123 | { | |
124 | if (!zone_params.get_head_data_pool(placement_id, obj, pool)) { | |
125 | RGWZonePlacementInfo placement; | |
126 | if (!zone_params.get_placement(zonegroup.default_placement, &placement)) { | |
127 | return false; | |
128 | } | |
129 | ||
130 | if (!obj.in_extra_data) { | |
131 | *pool = placement.data_pool; | |
132 | } else { | |
31f18b77 | 133 | *pool = placement.get_data_extra_pool(); |
7c673cae FG |
134 | } |
135 | } | |
136 | ||
137 | return true; | |
138 | } | |
139 | ||
140 | static bool rgw_obj_to_raw(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
141 | const string& placement_id, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
142 | { | |
143 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
144 | ||
145 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_id, obj, &raw_obj->pool); | |
146 | } | |
147 | ||
148 | rgw_raw_obj rgw_obj_select::get_raw_obj(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) const | |
149 | { | |
150 | if (!is_raw) { | |
151 | rgw_raw_obj r; | |
152 | rgw_obj_to_raw(zonegroup, zone_params, placement_rule, obj, &r); | |
153 | return r; | |
154 | } | |
155 | return raw_obj; | |
156 | } | |
157 | ||
158 | rgw_raw_obj rgw_obj_select::get_raw_obj(RGWRados *store) const | |
159 | { | |
160 | if (!is_raw) { | |
161 | rgw_raw_obj r; | |
162 | store->obj_to_raw(placement_rule, obj, &r); | |
163 | return r; | |
164 | } | |
165 | return raw_obj; | |
166 | } | |
167 | ||
168 | int rgw_init_ioctx(librados::Rados *rados, const rgw_pool& pool, IoCtx& ioctx, bool create) | |
169 | { | |
170 | int r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
171 | if (r == -ENOENT && create) { | |
172 | r = rados->pool_create(pool.name.c_str()); | |
173 | if (r < 0 && r != -EEXIST) { | |
174 | return r; | |
175 | } | |
176 | ||
177 | r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
178 | } | |
179 | if (r < 0) { | |
180 | return r; | |
181 | } | |
182 | if (!pool.ns.empty()) { | |
183 | ioctx.set_namespace(pool.ns); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | template<> | |
189 | void RGWObjectCtxImpl<rgw_obj, RGWObjState>::invalidate(rgw_obj& obj) { | |
190 | RWLock::WLocker wl(lock); | |
191 | auto iter = objs_state.find(obj); | |
192 | if (iter == objs_state.end()) { | |
193 | return; | |
194 | } | |
195 | bool is_atomic = iter->second.is_atomic; | |
196 | bool prefetch_data = iter->second.prefetch_data; | |
197 | ||
198 | objs_state.erase(iter); | |
199 | ||
200 | if (is_atomic || prefetch_data) { | |
201 | auto& s = objs_state[obj]; | |
202 | s.is_atomic = is_atomic; | |
203 | s.prefetch_data = prefetch_data; | |
204 | } | |
205 | } | |
206 | ||
207 | template<> | |
208 | void RGWObjectCtxImpl<rgw_raw_obj, RGWRawObjState>::invalidate(rgw_raw_obj& obj) { | |
209 | RWLock::WLocker wl(lock); | |
210 | auto iter = objs_state.find(obj); | |
211 | if (iter == objs_state.end()) { | |
212 | return; | |
213 | } | |
214 | ||
215 | objs_state.erase(iter); | |
216 | } | |
217 | ||
218 | void RGWDefaultZoneGroupInfo::dump(Formatter *f) const { | |
219 | encode_json("default_zonegroup", default_zonegroup, f); | |
220 | } | |
221 | ||
222 | void RGWDefaultZoneGroupInfo::decode_json(JSONObj *obj) { | |
223 | ||
224 | JSONDecoder::decode_json("default_zonegroup", default_zonegroup, obj); | |
225 | /* backward compatability with region */ | |
226 | if (default_zonegroup.empty()) { | |
227 | JSONDecoder::decode_json("default_region", default_zonegroup, obj); | |
228 | } | |
229 | } | |
230 | ||
231 | rgw_pool RGWZoneGroup::get_pool(CephContext *cct_) | |
232 | { | |
233 | if (cct_->_conf->rgw_zonegroup_root_pool.empty()) { | |
234 | return rgw_pool(RGW_DEFAULT_ZONEGROUP_ROOT_POOL); | |
235 | } | |
236 | ||
237 | return rgw_pool(cct_->_conf->rgw_zonegroup_root_pool); | |
238 | } | |
239 | ||
240 | int RGWZoneGroup::create_default(bool old_format) | |
241 | { | |
242 | name = default_zonegroup_name; | |
243 | is_master = true; | |
244 | ||
245 | RGWZoneGroupPlacementTarget placement_target; | |
246 | placement_target.name = "default-placement"; | |
247 | placement_targets[placement_target.name] = placement_target; | |
248 | default_placement = "default-placement"; | |
249 | ||
250 | RGWZoneParams zone_params(default_zone_name); | |
251 | ||
252 | int r = zone_params.init(cct, store, false); | |
253 | if (r < 0) { | |
254 | ldout(cct, 0) << "create_default: error initializing zone params: " << cpp_strerror(-r) << dendl; | |
255 | return r; | |
256 | } | |
257 | ||
258 | r = zone_params.create_default(); | |
259 | if (r < 0 && r != -EEXIST) { | |
260 | ldout(cct, 0) << "create_default: error in create_default zone params: " << cpp_strerror(-r) << dendl; | |
261 | return r; | |
262 | } else if (r == -EEXIST) { | |
263 | ldout(cct, 10) << "zone_params::create_default() returned -EEXIST, we raced with another default zone_params creation" << dendl; | |
264 | zone_params.clear_id(); | |
265 | r = zone_params.init(cct, store); | |
266 | if (r < 0) { | |
267 | ldout(cct, 0) << "create_default: error in init existing zone params: " << cpp_strerror(-r) << dendl; | |
268 | return r; | |
269 | } | |
270 | ldout(cct, 20) << "zone_params::create_default() " << zone_params.get_name() << " id " << zone_params.get_id() | |
271 | << dendl; | |
272 | } | |
273 | ||
274 | RGWZone& default_zone = zones[zone_params.get_id()]; | |
275 | default_zone.name = zone_params.get_name(); | |
276 | default_zone.id = zone_params.get_id(); | |
277 | master_zone = default_zone.id; | |
278 | ||
279 | r = create(); | |
280 | if (r < 0 && r != -EEXIST) { | |
281 | ldout(cct, 0) << "error storing zone group info: " << cpp_strerror(-r) << dendl; | |
282 | return r; | |
283 | } | |
284 | ||
285 | if (r == -EEXIST) { | |
286 | ldout(cct, 10) << "create_default() returned -EEXIST, we raced with another zonegroup creation" << dendl; | |
287 | id.clear(); | |
288 | r = init(cct, store); | |
289 | if (r < 0) { | |
290 | return r; | |
291 | } | |
292 | } | |
293 | ||
294 | if (old_format) { | |
295 | name = id; | |
296 | } | |
297 | ||
298 | post_process_params(); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | const string RGWZoneGroup::get_default_oid(bool old_region_format) | |
304 | { | |
305 | if (old_region_format) { | |
306 | if (cct->_conf->rgw_default_region_info_oid.empty()) { | |
307 | return default_region_info_oid; | |
308 | } | |
309 | return cct->_conf->rgw_default_region_info_oid; | |
310 | } | |
311 | ||
312 | string default_oid = cct->_conf->rgw_default_zonegroup_info_oid; | |
313 | ||
314 | if (cct->_conf->rgw_default_zonegroup_info_oid.empty()) { | |
315 | default_oid = default_zone_group_info_oid; | |
316 | } | |
317 | ||
318 | default_oid += "." + realm_id; | |
319 | ||
320 | return default_oid; | |
321 | } | |
322 | ||
323 | const string& RGWZoneGroup::get_info_oid_prefix(bool old_region_format) | |
324 | { | |
325 | if (old_region_format) { | |
326 | return region_info_oid_prefix; | |
327 | } | |
328 | return zone_group_info_oid_prefix; | |
329 | } | |
330 | ||
331 | const string& RGWZoneGroup::get_names_oid_prefix() | |
332 | { | |
333 | return zonegroup_names_oid_prefix; | |
334 | } | |
335 | ||
336 | const string& RGWZoneGroup::get_predefined_name(CephContext *cct) { | |
337 | return cct->_conf->rgw_zonegroup; | |
338 | } | |
339 | ||
340 | int RGWZoneGroup::equals(const string& other_zonegroup) const | |
341 | { | |
342 | if (is_master && other_zonegroup.empty()) | |
343 | return true; | |
344 | ||
345 | return (id == other_zonegroup); | |
346 | } | |
347 | ||
348 | int RGWZoneGroup::add_zone(const RGWZoneParams& zone_params, bool *is_master, bool *read_only, | |
349 | const list<string>& endpoints, const string *ptier_type, | |
350 | bool *psync_from_all, list<string>& sync_from, list<string>& sync_from_rm) | |
351 | { | |
352 | auto& zone_id = zone_params.get_id(); | |
353 | auto& zone_name = zone_params.get_name(); | |
354 | ||
355 | // check for duplicate zone name on insert | |
356 | if (!zones.count(zone_id)) { | |
357 | for (const auto& zone : zones) { | |
358 | if (zone.second.name == zone_name) { | |
359 | ldout(cct, 0) << "ERROR: found existing zone name " << zone_name | |
360 | << " (" << zone.first << ") in zonegroup " << get_name() << dendl; | |
361 | return -EEXIST; | |
362 | } | |
363 | } | |
364 | } | |
365 | ||
366 | if (is_master) { | |
367 | if (*is_master) { | |
368 | if (!master_zone.empty() && master_zone != zone_params.get_id()) { | |
369 | ldout(cct, 0) << "NOTICE: overriding master zone: " << master_zone << dendl; | |
370 | } | |
371 | master_zone = zone_params.get_id(); | |
372 | } else if (master_zone == zone_params.get_id()) { | |
373 | master_zone.clear(); | |
374 | } | |
375 | } | |
376 | ||
377 | RGWZone& zone = zones[zone_params.get_id()]; | |
378 | zone.name = zone_params.get_name(); | |
379 | zone.id = zone_params.get_id(); | |
380 | if (!endpoints.empty()) { | |
381 | zone.endpoints = endpoints; | |
382 | } | |
383 | if (read_only) { | |
384 | zone.read_only = *read_only; | |
385 | } | |
386 | if (ptier_type) { | |
387 | zone.tier_type = *ptier_type; | |
388 | } | |
389 | ||
390 | if (psync_from_all) { | |
391 | zone.sync_from_all = *psync_from_all; | |
392 | } | |
393 | ||
394 | for (auto add : sync_from) { | |
395 | zone.sync_from.insert(add); | |
396 | } | |
397 | ||
398 | for (auto rm : sync_from_rm) { | |
399 | zone.sync_from.erase(rm); | |
400 | } | |
401 | ||
402 | post_process_params(); | |
403 | ||
404 | return update(); | |
405 | } | |
406 | ||
407 | ||
408 | int RGWZoneGroup::rename_zone(const RGWZoneParams& zone_params) | |
409 | { | |
410 | RGWZone& zone = zones[zone_params.get_id()]; | |
411 | zone.name = zone_params.get_name(); | |
412 | ||
413 | return update(); | |
414 | } | |
415 | ||
416 | void RGWZoneGroup::post_process_params() | |
417 | { | |
418 | bool log_data = zones.size() > 1; | |
419 | ||
420 | if (master_zone.empty()) { | |
421 | map<string, RGWZone>::iterator iter = zones.begin(); | |
422 | if (iter != zones.end()) { | |
423 | master_zone = iter->first; | |
424 | } | |
425 | } | |
426 | ||
427 | for (map<string, RGWZone>::iterator iter = zones.begin(); iter != zones.end(); ++iter) { | |
428 | RGWZone& zone = iter->second; | |
429 | zone.log_data = log_data; | |
7c673cae FG |
430 | |
431 | RGWZoneParams zone_params(zone.id, zone.name); | |
432 | int ret = zone_params.init(cct, store); | |
433 | if (ret < 0) { | |
434 | ldout(cct, 0) << "WARNING: could not read zone params for zone id=" << zone.id << " name=" << zone.name << dendl; | |
435 | continue; | |
436 | } | |
437 | ||
438 | for (map<string, RGWZonePlacementInfo>::iterator iter = zone_params.placement_pools.begin(); | |
439 | iter != zone_params.placement_pools.end(); ++iter) { | |
440 | const string& placement_name = iter->first; | |
441 | if (placement_targets.find(placement_name) == placement_targets.end()) { | |
442 | RGWZoneGroupPlacementTarget placement_target; | |
443 | placement_target.name = placement_name; | |
444 | placement_targets[placement_name] = placement_target; | |
445 | } | |
446 | } | |
447 | } | |
448 | ||
449 | if (default_placement.empty() && !placement_targets.empty()) { | |
450 | default_placement = placement_targets.begin()->first; | |
451 | } | |
452 | } | |
453 | ||
454 | int RGWZoneGroup::remove_zone(const std::string& zone_id) | |
455 | { | |
456 | map<string, RGWZone>::iterator iter = zones.find(zone_id); | |
457 | if (iter == zones.end()) { | |
458 | ldout(cct, 0) << "zone id " << zone_id << " is not a part of zonegroup " | |
459 | << name << dendl; | |
460 | return -ENOENT; | |
461 | } | |
462 | ||
463 | zones.erase(iter); | |
464 | ||
465 | post_process_params(); | |
466 | ||
467 | return update(); | |
468 | } | |
469 | ||
470 | int RGWZoneGroup::read_default_id(string& default_id, bool old_format) | |
471 | { | |
472 | if (realm_id.empty()) { | |
473 | /* try using default realm */ | |
474 | RGWRealm realm; | |
475 | int ret = realm.init(cct, store); | |
476 | if (ret < 0) { | |
477 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
478 | return -ENOENT; | |
479 | } | |
480 | realm_id = realm.get_id(); | |
481 | } | |
482 | ||
483 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
484 | } | |
485 | ||
486 | int RGWZoneGroup::set_as_default(bool exclusive) | |
487 | { | |
488 | if (realm_id.empty()) { | |
489 | /* try using default realm */ | |
490 | RGWRealm realm; | |
491 | int ret = realm.init(cct, store); | |
492 | if (ret < 0) { | |
493 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
494 | return -EINVAL; | |
495 | } | |
496 | realm_id = realm.get_id(); | |
497 | } | |
498 | ||
499 | return RGWSystemMetaObj::set_as_default(exclusive); | |
500 | } | |
501 | ||
502 | int RGWSystemMetaObj::init(CephContext *_cct, RGWRados *_store, bool setup_obj, bool old_format) | |
503 | { | |
504 | cct = _cct; | |
505 | store = _store; | |
506 | ||
507 | if (!setup_obj) | |
508 | return 0; | |
509 | ||
510 | if (old_format && id.empty()) { | |
511 | id = name; | |
512 | } | |
513 | ||
514 | if (id.empty()) { | |
515 | int r; | |
516 | if (name.empty()) { | |
517 | name = get_predefined_name(cct); | |
518 | } | |
519 | if (name.empty()) { | |
520 | r = use_default(old_format); | |
521 | if (r < 0) { | |
522 | return r; | |
523 | } | |
524 | } else if (!old_format) { | |
525 | r = read_id(name, id); | |
526 | if (r < 0) { | |
527 | if (r != -ENOENT) { | |
528 | ldout(cct, 0) << "error in read_id for object name: " << name << " : " << cpp_strerror(-r) << dendl; | |
529 | } | |
530 | return r; | |
531 | } | |
532 | } | |
533 | } | |
534 | ||
535 | return read_info(id, old_format); | |
536 | } | |
537 | ||
538 | int RGWSystemMetaObj::read_default(RGWDefaultSystemMetaObjInfo& default_info, const string& oid) | |
539 | { | |
540 | auto pool = get_pool(cct); | |
541 | bufferlist bl; | |
542 | RGWObjectCtx obj_ctx(store); | |
543 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
544 | if (ret < 0) | |
545 | return ret; | |
546 | ||
547 | try { | |
548 | bufferlist::iterator iter = bl.begin(); | |
549 | ::decode(default_info, iter); | |
550 | } catch (buffer::error& err) { | |
551 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
552 | return -EIO; | |
553 | } | |
554 | ||
555 | return 0; | |
556 | } | |
557 | ||
558 | int RGWSystemMetaObj::read_default_id(string& default_id, bool old_format) | |
559 | { | |
560 | RGWDefaultSystemMetaObjInfo default_info; | |
561 | ||
562 | int ret = read_default(default_info, get_default_oid(old_format)); | |
563 | if (ret < 0) { | |
564 | return ret; | |
565 | } | |
566 | ||
567 | default_id = default_info.default_id; | |
568 | ||
569 | return 0; | |
570 | } | |
571 | ||
572 | int RGWSystemMetaObj::use_default(bool old_format) | |
573 | { | |
574 | return read_default_id(id, old_format); | |
575 | } | |
576 | ||
577 | int RGWSystemMetaObj::set_as_default(bool exclusive) | |
578 | { | |
579 | string oid = get_default_oid(); | |
580 | ||
581 | rgw_pool pool(get_pool(cct)); | |
582 | bufferlist bl; | |
583 | ||
584 | RGWDefaultSystemMetaObjInfo default_info; | |
585 | default_info.default_id = id; | |
586 | ||
587 | ::encode(default_info, bl); | |
588 | ||
589 | int ret = rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
590 | exclusive, NULL, real_time(), NULL); | |
591 | if (ret < 0) | |
592 | return ret; | |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
597 | int RGWSystemMetaObj::read_id(const string& obj_name, string& object_id) | |
598 | { | |
599 | rgw_pool pool(get_pool(cct)); | |
600 | bufferlist bl; | |
601 | ||
602 | string oid = get_names_oid_prefix() + obj_name; | |
603 | ||
604 | RGWObjectCtx obj_ctx(store); | |
605 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
606 | if (ret < 0) { | |
607 | return ret; | |
608 | } | |
609 | ||
610 | RGWNameToId nameToId; | |
611 | try { | |
612 | bufferlist::iterator iter = bl.begin(); | |
613 | ::decode(nameToId, iter); | |
614 | } catch (buffer::error& err) { | |
615 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
616 | return -EIO; | |
617 | } | |
618 | object_id = nameToId.obj_id; | |
619 | return 0; | |
620 | } | |
621 | ||
622 | int RGWSystemMetaObj::delete_obj(bool old_format) | |
623 | { | |
624 | rgw_pool pool(get_pool(cct)); | |
625 | ||
626 | /* check to see if obj is the default */ | |
627 | RGWDefaultSystemMetaObjInfo default_info; | |
628 | int ret = read_default(default_info, get_default_oid(old_format)); | |
629 | if (ret < 0 && ret != -ENOENT) | |
630 | return ret; | |
631 | if (default_info.default_id == id || (old_format && default_info.default_id == name)) { | |
632 | string oid = get_default_oid(old_format); | |
633 | rgw_raw_obj default_named_obj(pool, oid); | |
634 | ret = store->delete_system_obj(default_named_obj); | |
635 | if (ret < 0) { | |
636 | ldout(cct, 0) << "Error delete default obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
637 | return ret; | |
638 | } | |
639 | } | |
640 | if (!old_format) { | |
641 | string oid = get_names_oid_prefix() + name; | |
642 | rgw_raw_obj object_name(pool, oid); | |
643 | ret = store->delete_system_obj(object_name); | |
644 | if (ret < 0) { | |
645 | ldout(cct, 0) << "Error delete obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
646 | return ret; | |
647 | } | |
648 | } | |
649 | ||
650 | string oid = get_info_oid_prefix(old_format); | |
651 | if (old_format) { | |
652 | oid += name; | |
653 | } else { | |
654 | oid += id; | |
655 | } | |
656 | ||
657 | rgw_raw_obj object_id(pool, oid); | |
658 | ret = store->delete_system_obj(object_id); | |
659 | if (ret < 0) { | |
660 | ldout(cct, 0) << "Error delete object id " << id << ": " << cpp_strerror(-ret) << dendl; | |
661 | } | |
662 | ||
663 | return ret; | |
664 | } | |
665 | ||
666 | int RGWSystemMetaObj::store_name(bool exclusive) | |
667 | { | |
668 | rgw_pool pool(get_pool(cct)); | |
669 | string oid = get_names_oid_prefix() + name; | |
670 | ||
671 | RGWNameToId nameToId; | |
672 | nameToId.obj_id = id; | |
673 | ||
674 | bufferlist bl; | |
675 | ::encode(nameToId, bl); | |
676 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
677 | } | |
678 | ||
679 | int RGWSystemMetaObj::rename(const string& new_name) | |
680 | { | |
681 | string new_id; | |
682 | int ret = read_id(new_name, new_id); | |
683 | if (!ret) { | |
684 | return -EEXIST; | |
685 | } | |
686 | if (ret < 0 && ret != -ENOENT) { | |
687 | ldout(cct, 0) << "Error read_id " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
688 | return ret; | |
689 | } | |
690 | string old_name = name; | |
691 | name = new_name; | |
692 | ret = update(); | |
693 | if (ret < 0) { | |
694 | ldout(cct, 0) << "Error storing new obj info " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
695 | return ret; | |
696 | } | |
697 | ret = store_name(true); | |
698 | if (ret < 0) { | |
699 | ldout(cct, 0) << "Error storing new name " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
700 | return ret; | |
701 | } | |
702 | /* delete old name */ | |
703 | rgw_pool pool(get_pool(cct)); | |
704 | string oid = get_names_oid_prefix() + old_name; | |
705 | rgw_raw_obj old_name_obj(pool, oid); | |
706 | ret = store->delete_system_obj(old_name_obj); | |
707 | if (ret < 0) { | |
708 | ldout(cct, 0) << "Error delete old obj name " << old_name << ": " << cpp_strerror(-ret) << dendl; | |
709 | return ret; | |
710 | } | |
711 | ||
712 | return ret; | |
713 | } | |
714 | ||
715 | int RGWSystemMetaObj::read_info(const string& obj_id, bool old_format) | |
716 | { | |
717 | rgw_pool pool(get_pool(cct)); | |
718 | ||
719 | bufferlist bl; | |
720 | ||
721 | string oid = get_info_oid_prefix(old_format) + obj_id; | |
722 | ||
723 | RGWObjectCtx obj_ctx(store); | |
724 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
725 | if (ret < 0) { | |
726 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << oid << ": " << cpp_strerror(-ret) << dendl; | |
727 | return ret; | |
728 | } | |
729 | ||
730 | try { | |
731 | bufferlist::iterator iter = bl.begin(); | |
732 | ::decode(*this, iter); | |
733 | } catch (buffer::error& err) { | |
734 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
735 | return -EIO; | |
736 | } | |
737 | ||
738 | return 0; | |
739 | } | |
740 | ||
741 | int RGWSystemMetaObj::read() | |
742 | { | |
743 | int ret = read_id(name, id); | |
744 | if (ret < 0) { | |
745 | return ret; | |
746 | } | |
747 | ||
748 | return read_info(id); | |
749 | } | |
750 | ||
751 | int RGWSystemMetaObj::create(bool exclusive) | |
752 | { | |
753 | int ret; | |
754 | ||
755 | /* check to see the name is not used */ | |
756 | ret = read_id(name, id); | |
757 | if (exclusive && ret == 0) { | |
758 | ldout(cct, 10) << "ERROR: name " << name << " already in use for obj id " << id << dendl; | |
759 | return -EEXIST; | |
760 | } else if ( ret < 0 && ret != -ENOENT) { | |
761 | ldout(cct, 0) << "failed reading obj id " << id << ": " << cpp_strerror(-ret) << dendl; | |
762 | return ret; | |
763 | } | |
764 | ||
765 | if (id.empty()) { | |
766 | /* create unique id */ | |
767 | uuid_d new_uuid; | |
768 | char uuid_str[37]; | |
769 | new_uuid.generate_random(); | |
770 | new_uuid.print(uuid_str); | |
771 | id = uuid_str; | |
772 | } | |
773 | ||
774 | ret = store_info(exclusive); | |
775 | if (ret < 0) { | |
776 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
777 | return ret; | |
778 | } | |
779 | ||
780 | return store_name(exclusive); | |
781 | } | |
782 | ||
783 | int RGWSystemMetaObj::store_info(bool exclusive) | |
784 | { | |
785 | rgw_pool pool(get_pool(cct)); | |
786 | ||
787 | string oid = get_info_oid_prefix() + id; | |
788 | ||
789 | bufferlist bl; | |
790 | ::encode(*this, bl); | |
791 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
792 | } | |
793 | ||
794 | int RGWSystemMetaObj::write(bool exclusive) | |
795 | { | |
796 | int ret = store_info(exclusive); | |
797 | if (ret < 0) { | |
798 | ldout(cct, 20) << __func__ << "(): store_info() returned ret=" << ret << dendl; | |
799 | return ret; | |
800 | } | |
801 | ret = store_name(exclusive); | |
802 | if (ret < 0) { | |
803 | ldout(cct, 20) << __func__ << "(): store_name() returned ret=" << ret << dendl; | |
804 | return ret; | |
805 | } | |
806 | return 0; | |
807 | } | |
808 | ||
809 | ||
810 | const string& RGWRealm::get_predefined_name(CephContext *cct) { | |
811 | return cct->_conf->rgw_realm; | |
812 | } | |
813 | ||
814 | int RGWRealm::create(bool exclusive) | |
815 | { | |
816 | int ret = RGWSystemMetaObj::create(exclusive); | |
817 | if (ret < 0) { | |
818 | ldout(cct, 0) << "ERROR creating new realm object " << name << ": " << cpp_strerror(-ret) << dendl; | |
819 | return ret; | |
820 | } | |
821 | // create the control object for watch/notify | |
822 | ret = create_control(exclusive); | |
823 | if (ret < 0) { | |
824 | ldout(cct, 0) << "ERROR creating control for new realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
825 | return ret; | |
826 | } | |
827 | RGWPeriod period; | |
828 | if (current_period.empty()) { | |
829 | /* create new period for the realm */ | |
830 | ret = period.init(cct, store, id, name, false); | |
831 | if (ret < 0 ) { | |
832 | return ret; | |
833 | } | |
834 | ret = period.create(true); | |
835 | if (ret < 0) { | |
836 | ldout(cct, 0) << "ERROR: creating new period for realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
837 | return ret; | |
838 | } | |
839 | } else { | |
840 | period = RGWPeriod(current_period, 0); | |
841 | int ret = period.init(cct, store, id, name); | |
842 | if (ret < 0) { | |
843 | ldout(cct, 0) << "ERROR: failed to init period " << current_period << dendl; | |
844 | return ret; | |
845 | } | |
846 | } | |
847 | ret = set_current_period(period); | |
848 | if (ret < 0) { | |
849 | ldout(cct, 0) << "ERROR: failed set current period " << current_period << dendl; | |
850 | return ret; | |
851 | } | |
852 | // try to set as default. may race with another create, so pass exclusive=true | |
853 | // so we don't override an existing default | |
854 | ret = set_as_default(true); | |
855 | if (ret < 0 && ret != -EEXIST) { | |
856 | ldout(cct, 0) << "WARNING: failed to set realm as default realm, ret=" << ret << dendl; | |
857 | } | |
858 | ||
859 | return 0; | |
860 | } | |
861 | ||
862 | int RGWRealm::delete_obj() | |
863 | { | |
864 | int ret = RGWSystemMetaObj::delete_obj(); | |
865 | if (ret < 0) { | |
866 | return ret; | |
867 | } | |
868 | return delete_control(); | |
869 | } | |
870 | ||
871 | int RGWRealm::create_control(bool exclusive) | |
872 | { | |
873 | auto pool = rgw_pool{get_pool(cct)}; | |
874 | auto oid = get_control_oid(); | |
875 | return rgw_put_system_obj(store, pool, oid, nullptr, 0, exclusive, | |
876 | nullptr, real_time(), nullptr); | |
877 | } | |
878 | ||
879 | int RGWRealm::delete_control() | |
880 | { | |
881 | auto pool = rgw_pool{get_pool(cct)}; | |
882 | auto obj = rgw_raw_obj{pool, get_control_oid()}; | |
883 | return store->delete_system_obj(obj); | |
884 | } | |
885 | ||
886 | rgw_pool RGWRealm::get_pool(CephContext *cct) | |
887 | { | |
888 | if (cct->_conf->rgw_realm_root_pool.empty()) { | |
889 | return rgw_pool(RGW_DEFAULT_REALM_ROOT_POOL); | |
890 | } | |
891 | return rgw_pool(cct->_conf->rgw_realm_root_pool); | |
892 | } | |
893 | ||
894 | const string RGWRealm::get_default_oid(bool old_format) | |
895 | { | |
896 | if (cct->_conf->rgw_default_realm_info_oid.empty()) { | |
897 | return default_realm_info_oid; | |
898 | } | |
899 | return cct->_conf->rgw_default_realm_info_oid; | |
900 | } | |
901 | ||
902 | const string& RGWRealm::get_names_oid_prefix() | |
903 | { | |
904 | return realm_names_oid_prefix; | |
905 | } | |
906 | ||
907 | const string& RGWRealm::get_info_oid_prefix(bool old_format) | |
908 | { | |
909 | return realm_info_oid_prefix; | |
910 | } | |
911 | ||
912 | int RGWRealm::set_current_period(RGWPeriod& period) | |
913 | { | |
914 | // update realm epoch to match the period's | |
915 | if (epoch > period.get_realm_epoch()) { | |
916 | ldout(cct, 0) << "ERROR: set_current_period with old realm epoch " | |
917 | << period.get_realm_epoch() << ", current epoch=" << epoch << dendl; | |
918 | return -EINVAL; | |
919 | } | |
920 | if (epoch == period.get_realm_epoch() && current_period != period.get_id()) { | |
921 | ldout(cct, 0) << "ERROR: set_current_period with same realm epoch " | |
922 | << period.get_realm_epoch() << ", but different period id " | |
923 | << period.get_id() << " != " << current_period << dendl; | |
924 | return -EINVAL; | |
925 | } | |
926 | ||
927 | epoch = period.get_realm_epoch(); | |
928 | current_period = period.get_id(); | |
929 | ||
930 | int ret = update(); | |
931 | if (ret < 0) { | |
932 | ldout(cct, 0) << "ERROR: period update: " << cpp_strerror(-ret) << dendl; | |
933 | return ret; | |
934 | } | |
935 | ||
936 | ret = period.reflect(); | |
937 | if (ret < 0) { | |
938 | ldout(cct, 0) << "ERROR: period.reflect(): " << cpp_strerror(-ret) << dendl; | |
939 | return ret; | |
940 | } | |
941 | ||
942 | return 0; | |
943 | } | |
944 | ||
945 | string RGWRealm::get_control_oid() | |
946 | { | |
947 | return get_info_oid_prefix() + id + ".control"; | |
948 | } | |
949 | ||
950 | int RGWRealm::notify_zone(bufferlist& bl) | |
951 | { | |
952 | // open a context on the realm's pool | |
953 | rgw_pool pool{get_pool(cct)}; | |
954 | librados::IoCtx ctx; | |
955 | int r = rgw_init_ioctx(store->get_rados_handle(), pool, ctx); | |
956 | if (r < 0) { | |
957 | ldout(cct, 0) << "Failed to open pool " << pool << dendl; | |
958 | return r; | |
959 | } | |
960 | // send a notify on the realm object | |
961 | r = ctx.notify2(get_control_oid(), bl, 0, nullptr); | |
962 | if (r < 0) { | |
963 | ldout(cct, 0) << "Realm notify failed with " << r << dendl; | |
964 | return r; | |
965 | } | |
966 | return 0; | |
967 | } | |
968 | ||
969 | int RGWRealm::notify_new_period(const RGWPeriod& period) | |
970 | { | |
971 | bufferlist bl; | |
972 | // push the period to dependent zonegroups/zones | |
973 | ::encode(RGWRealmNotify::ZonesNeedPeriod, bl); | |
974 | ::encode(period, bl); | |
975 | // reload the gateway with the new period | |
976 | ::encode(RGWRealmNotify::Reload, bl); | |
977 | ||
978 | return notify_zone(bl); | |
979 | } | |
980 | ||
981 | std::string RGWPeriodConfig::get_oid(const std::string& realm_id) | |
982 | { | |
983 | if (realm_id.empty()) { | |
984 | return "period_config.default"; | |
985 | } | |
986 | return "period_config." + realm_id; | |
987 | } | |
988 | ||
989 | rgw_pool RGWPeriodConfig::get_pool(CephContext *cct) | |
990 | { | |
991 | const auto& pool_name = cct->_conf->rgw_period_root_pool; | |
992 | if (pool_name.empty()) { | |
993 | return {RGW_DEFAULT_PERIOD_ROOT_POOL}; | |
994 | } | |
995 | return {pool_name}; | |
996 | } | |
997 | ||
998 | int RGWPeriodConfig::read(RGWRados *store, const std::string& realm_id) | |
999 | { | |
1000 | RGWObjectCtx obj_ctx(store); | |
1001 | const auto& pool = get_pool(store->ctx()); | |
1002 | const auto& oid = get_oid(realm_id); | |
1003 | bufferlist bl; | |
1004 | ||
1005 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, nullptr, nullptr); | |
1006 | if (ret < 0) { | |
1007 | return ret; | |
1008 | } | |
1009 | try { | |
1010 | bufferlist::iterator iter = bl.begin(); | |
1011 | ::decode(*this, iter); | |
1012 | } catch (buffer::error& err) { | |
1013 | return -EIO; | |
1014 | } | |
1015 | return 0; | |
1016 | } | |
1017 | ||
1018 | int RGWPeriodConfig::write(RGWRados *store, const std::string& realm_id) | |
1019 | { | |
1020 | const auto& pool = get_pool(store->ctx()); | |
1021 | const auto& oid = get_oid(realm_id); | |
1022 | bufferlist bl; | |
1023 | ::encode(*this, bl); | |
1024 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
1025 | false, nullptr, real_time(), nullptr); | |
1026 | } | |
1027 | ||
1028 | int RGWPeriod::init(CephContext *_cct, RGWRados *_store, const string& period_realm_id, | |
1029 | const string& period_realm_name, bool setup_obj) | |
1030 | { | |
1031 | cct = _cct; | |
1032 | store = _store; | |
1033 | realm_id = period_realm_id; | |
1034 | realm_name = period_realm_name; | |
1035 | ||
1036 | if (!setup_obj) | |
1037 | return 0; | |
1038 | ||
1039 | return init(_cct, _store, setup_obj); | |
1040 | } | |
1041 | ||
1042 | ||
1043 | int RGWPeriod::init(CephContext *_cct, RGWRados *_store, bool setup_obj) | |
1044 | { | |
1045 | cct = _cct; | |
1046 | store = _store; | |
1047 | ||
1048 | if (!setup_obj) | |
1049 | return 0; | |
1050 | ||
1051 | if (id.empty()) { | |
1052 | RGWRealm realm(realm_id, realm_name); | |
1053 | int ret = realm.init(cct, store); | |
1054 | if (ret < 0) { | |
1055 | ldout(cct, 0) << "RGWPeriod::init failed to init realm " << realm_name << " id " << realm_id << " : " << | |
1056 | cpp_strerror(-ret) << dendl; | |
1057 | return ret; | |
1058 | } | |
1059 | id = realm.get_current_period(); | |
1060 | realm_id = realm.get_id(); | |
1061 | } | |
1062 | ||
1063 | if (!epoch) { | |
1064 | int ret = use_latest_epoch(); | |
1065 | if (ret < 0) { | |
1066 | ldout(cct, 0) << "failed to use_latest_epoch period id " << id << " realm " << realm_name << " id " << realm_id | |
1067 | << " : " << cpp_strerror(-ret) << dendl; | |
1068 | return ret; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | return read_info(); | |
1073 | } | |
1074 | ||
1075 | ||
1076 | int RGWPeriod::get_zonegroup(RGWZoneGroup& zonegroup, const string& zonegroup_id) { | |
1077 | map<string, RGWZoneGroup>::const_iterator iter; | |
1078 | if (!zonegroup_id.empty()) { | |
1079 | iter = period_map.zonegroups.find(zonegroup_id); | |
1080 | } else { | |
1081 | iter = period_map.zonegroups.find("default"); | |
1082 | } | |
1083 | if (iter != period_map.zonegroups.end()) { | |
1084 | zonegroup = iter->second; | |
1085 | return 0; | |
1086 | } | |
1087 | ||
1088 | return -ENOENT; | |
1089 | } | |
1090 | ||
7c673cae FG |
1091 | const string& RGWPeriod::get_latest_epoch_oid() |
1092 | { | |
1093 | if (cct->_conf->rgw_period_latest_epoch_info_oid.empty()) { | |
1094 | return period_latest_epoch_info_oid; | |
1095 | } | |
1096 | return cct->_conf->rgw_period_latest_epoch_info_oid; | |
1097 | } | |
1098 | ||
1099 | const string& RGWPeriod::get_info_oid_prefix() | |
1100 | { | |
1101 | return period_info_oid_prefix; | |
1102 | } | |
1103 | ||
1104 | const string RGWPeriod::get_period_oid_prefix() | |
1105 | { | |
1106 | return get_info_oid_prefix() + id; | |
1107 | } | |
1108 | ||
1109 | const string RGWPeriod::get_period_oid() | |
1110 | { | |
1111 | std::ostringstream oss; | |
1112 | oss << get_period_oid_prefix(); | |
1113 | // skip the epoch for the staging period | |
1114 | if (id != get_staging_id(realm_id)) | |
1115 | oss << "." << epoch; | |
1116 | return oss.str(); | |
1117 | } | |
1118 | ||
224ce89b WB |
1119 | int RGWPeriod::read_latest_epoch(RGWPeriodLatestEpochInfo& info, |
1120 | RGWObjVersionTracker *objv) | |
7c673cae FG |
1121 | { |
1122 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1123 | ||
1124 | rgw_pool pool(get_pool(cct)); | |
1125 | bufferlist bl; | |
1126 | RGWObjectCtx obj_ctx(store); | |
224ce89b | 1127 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, objv, nullptr); |
7c673cae FG |
1128 | if (ret < 0) { |
1129 | ldout(cct, 1) << "error read_lastest_epoch " << pool << ":" << oid << dendl; | |
1130 | return ret; | |
1131 | } | |
1132 | try { | |
1133 | bufferlist::iterator iter = bl.begin(); | |
1134 | ::decode(info, iter); | |
1135 | } catch (buffer::error& err) { | |
1136 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
1137 | return -EIO; | |
1138 | } | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
1143 | int RGWPeriod::get_latest_epoch(epoch_t& latest_epoch) | |
1144 | { | |
1145 | RGWPeriodLatestEpochInfo info; | |
1146 | ||
1147 | int ret = read_latest_epoch(info); | |
1148 | if (ret < 0) { | |
1149 | return ret; | |
1150 | } | |
1151 | ||
1152 | latest_epoch = info.epoch; | |
1153 | ||
1154 | return 0; | |
1155 | } | |
1156 | ||
1157 | int RGWPeriod::use_latest_epoch() | |
1158 | { | |
1159 | RGWPeriodLatestEpochInfo info; | |
1160 | int ret = read_latest_epoch(info); | |
1161 | if (ret < 0) { | |
1162 | return ret; | |
1163 | } | |
1164 | ||
1165 | epoch = info.epoch; | |
1166 | ||
1167 | return 0; | |
1168 | } | |
1169 | ||
224ce89b WB |
1170 | int RGWPeriod::set_latest_epoch(epoch_t epoch, bool exclusive, |
1171 | RGWObjVersionTracker *objv) | |
7c673cae FG |
1172 | { |
1173 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1174 | ||
1175 | rgw_pool pool(get_pool(cct)); | |
1176 | bufferlist bl; | |
1177 | ||
1178 | RGWPeriodLatestEpochInfo info; | |
1179 | info.epoch = epoch; | |
1180 | ||
1181 | ::encode(info, bl); | |
1182 | ||
1183 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
224ce89b WB |
1184 | exclusive, objv, real_time(), nullptr); |
1185 | } | |
1186 | ||
1187 | int RGWPeriod::update_latest_epoch(epoch_t epoch) | |
1188 | { | |
1189 | static constexpr int MAX_RETRIES = 20; | |
1190 | ||
1191 | for (int i = 0; i < MAX_RETRIES; i++) { | |
1192 | RGWPeriodLatestEpochInfo info; | |
1193 | RGWObjVersionTracker objv; | |
1194 | bool exclusive = false; | |
1195 | ||
1196 | // read existing epoch | |
1197 | int r = read_latest_epoch(info, &objv); | |
1198 | if (r == -ENOENT) { | |
1199 | // use an exclusive create to set the epoch atomically | |
1200 | exclusive = true; | |
1201 | ldout(cct, 20) << "creating initial latest_epoch=" << epoch | |
1202 | << " for period=" << id << dendl; | |
1203 | } else if (r < 0) { | |
1204 | ldout(cct, 0) << "ERROR: failed to read latest_epoch" << dendl; | |
1205 | return r; | |
1206 | } else if (epoch <= info.epoch) { | |
1207 | r = -EEXIST; // fail with EEXIST if epoch is not newer | |
1208 | ldout(cct, 1) << "found existing latest_epoch " << info.epoch | |
1209 | << " >= given epoch " << epoch << ", returning r=" << r << dendl; | |
1210 | return r; | |
1211 | } else { | |
1212 | ldout(cct, 20) << "updating latest_epoch from " << info.epoch | |
1213 | << " -> " << epoch << " on period=" << id << dendl; | |
1214 | } | |
1215 | ||
1216 | r = set_latest_epoch(epoch, exclusive, &objv); | |
1217 | if (r == -EEXIST) { | |
1218 | continue; // exclusive create raced with another update, retry | |
1219 | } else if (r == -ECANCELED) { | |
1220 | continue; // write raced with a conflicting version, retry | |
1221 | } | |
1222 | if (r < 0) { | |
1223 | ldout(cct, 0) << "ERROR: failed to write latest_epoch" << dendl; | |
1224 | return r; | |
1225 | } | |
1226 | return 0; // return success | |
1227 | } | |
1228 | ||
1229 | return -ECANCELED; // fail after max retries | |
7c673cae FG |
1230 | } |
1231 | ||
1232 | int RGWPeriod::delete_obj() | |
1233 | { | |
1234 | rgw_pool pool(get_pool(cct)); | |
1235 | ||
1236 | // delete the object for each period epoch | |
1237 | for (epoch_t e = 1; e <= epoch; e++) { | |
1238 | RGWPeriod p{get_id(), e}; | |
1239 | rgw_raw_obj oid{pool, p.get_period_oid()}; | |
1240 | int ret = store->delete_system_obj(oid); | |
1241 | if (ret < 0) { | |
1242 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1243 | << ": " << cpp_strerror(-ret) << dendl; | |
1244 | } | |
1245 | } | |
1246 | ||
1247 | // delete the .latest_epoch object | |
1248 | rgw_raw_obj oid{pool, get_period_oid_prefix() + get_latest_epoch_oid()}; | |
1249 | int ret = store->delete_system_obj(oid); | |
1250 | if (ret < 0) { | |
1251 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1252 | << ": " << cpp_strerror(-ret) << dendl; | |
1253 | } | |
1254 | return ret; | |
1255 | } | |
1256 | ||
1257 | int RGWPeriod::read_info() | |
1258 | { | |
1259 | rgw_pool pool(get_pool(cct)); | |
1260 | ||
1261 | bufferlist bl; | |
1262 | ||
1263 | RGWObjectCtx obj_ctx(store); | |
1264 | int ret = rgw_get_system_obj(store, obj_ctx, pool, get_period_oid(), bl, NULL, NULL); | |
1265 | if (ret < 0) { | |
1266 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << get_period_oid() << ": " << cpp_strerror(-ret) << dendl; | |
1267 | return ret; | |
1268 | } | |
1269 | ||
1270 | try { | |
1271 | bufferlist::iterator iter = bl.begin(); | |
1272 | ::decode(*this, iter); | |
1273 | } catch (buffer::error& err) { | |
1274 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << get_period_oid() << dendl; | |
1275 | return -EIO; | |
1276 | } | |
1277 | ||
1278 | return 0; | |
1279 | } | |
1280 | ||
1281 | int RGWPeriod::create(bool exclusive) | |
1282 | { | |
1283 | int ret; | |
1284 | ||
1285 | /* create unique id */ | |
1286 | uuid_d new_uuid; | |
1287 | char uuid_str[37]; | |
1288 | new_uuid.generate_random(); | |
1289 | new_uuid.print(uuid_str); | |
1290 | id = uuid_str; | |
1291 | ||
1292 | epoch = FIRST_EPOCH; | |
1293 | ||
1294 | period_map.id = id; | |
1295 | ||
1296 | ret = store_info(exclusive); | |
1297 | if (ret < 0) { | |
1298 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
224ce89b | 1299 | return ret; |
7c673cae FG |
1300 | } |
1301 | ||
1302 | ret = set_latest_epoch(epoch); | |
1303 | if (ret < 0) { | |
1304 | ldout(cct, 0) << "ERROR: setting latest epoch " << id << ": " << cpp_strerror(-ret) << dendl; | |
1305 | } | |
1306 | ||
1307 | return ret; | |
1308 | } | |
1309 | ||
1310 | int RGWPeriod::store_info(bool exclusive) | |
1311 | { | |
7c673cae FG |
1312 | rgw_pool pool(get_pool(cct)); |
1313 | ||
1314 | string oid = get_period_oid(); | |
1315 | bufferlist bl; | |
1316 | ::encode(*this, bl); | |
224ce89b WB |
1317 | |
1318 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
1319 | exclusive, NULL, real_time(), NULL); | |
7c673cae FG |
1320 | } |
1321 | ||
1322 | rgw_pool RGWPeriod::get_pool(CephContext *cct) | |
1323 | { | |
1324 | if (cct->_conf->rgw_period_root_pool.empty()) { | |
1325 | return rgw_pool(RGW_DEFAULT_PERIOD_ROOT_POOL); | |
1326 | } | |
1327 | return rgw_pool(cct->_conf->rgw_period_root_pool); | |
1328 | } | |
1329 | ||
7c673cae FG |
1330 | int RGWPeriod::add_zonegroup(const RGWZoneGroup& zonegroup) |
1331 | { | |
1332 | if (zonegroup.realm_id != realm_id) { | |
1333 | return 0; | |
1334 | } | |
1335 | int ret = period_map.update(zonegroup, cct); | |
1336 | if (ret < 0) { | |
1337 | ldout(cct, 0) << "ERROR: updating period map: " << cpp_strerror(-ret) << dendl; | |
1338 | return ret; | |
1339 | } | |
1340 | ||
1341 | return store_info(false); | |
1342 | } | |
1343 | ||
1344 | int RGWPeriod::update() | |
1345 | { | |
1346 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << get_id() << dendl; | |
1347 | list<string> zonegroups; | |
1348 | int ret = store->list_zonegroups(zonegroups); | |
1349 | if (ret < 0) { | |
1350 | ldout(cct, 0) << "ERROR: failed to list zonegroups: " << cpp_strerror(-ret) << dendl; | |
1351 | return ret; | |
1352 | } | |
1353 | ||
1354 | // clear zone short ids of removed zones. period_map.update() will add the | |
1355 | // remaining zones back | |
1356 | period_map.short_zone_ids.clear(); | |
1357 | ||
1358 | for (auto& iter : zonegroups) { | |
1359 | RGWZoneGroup zg(string(), iter); | |
1360 | ret = zg.init(cct, store); | |
1361 | if (ret < 0) { | |
1362 | ldout(cct, 0) << "WARNING: zg.init() failed: " << cpp_strerror(-ret) << dendl; | |
1363 | continue; | |
1364 | } | |
1365 | ||
1366 | if (zg.realm_id != realm_id) { | |
1367 | ldout(cct, 20) << "skipping zonegroup " << zg.get_name() << " zone realm id " << zg.realm_id << ", not on our realm " << realm_id << dendl; | |
1368 | continue; | |
1369 | } | |
1370 | ||
1371 | if (zg.master_zone.empty()) { | |
1372 | ldout(cct, 0) << "ERROR: zonegroup " << zg.get_name() << " should have a master zone " << dendl; | |
1373 | return -EINVAL; | |
1374 | } | |
1375 | ||
1376 | if (zg.is_master_zonegroup()) { | |
1377 | master_zonegroup = zg.get_id(); | |
1378 | master_zone = zg.master_zone; | |
1379 | } | |
1380 | ||
1381 | int ret = period_map.update(zg, cct); | |
1382 | if (ret < 0) { | |
1383 | return ret; | |
1384 | } | |
1385 | } | |
1386 | ||
1387 | ret = period_config.read(store, realm_id); | |
1388 | if (ret < 0 && ret != -ENOENT) { | |
1389 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
1390 | << cpp_strerror(ret) << dendl; | |
1391 | return ret; | |
1392 | } | |
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | int RGWPeriod::reflect() | |
1397 | { | |
1398 | for (auto& iter : period_map.zonegroups) { | |
1399 | RGWZoneGroup& zg = iter.second; | |
1400 | zg.reinit_instance(cct, store); | |
1401 | int r = zg.write(false); | |
1402 | if (r < 0) { | |
1403 | ldout(cct, 0) << "ERROR: failed to store zonegroup info for zonegroup=" << iter.first << ": " << cpp_strerror(-r) << dendl; | |
1404 | return r; | |
1405 | } | |
1406 | if (zg.is_master_zonegroup()) { | |
1407 | // set master as default if no default exists | |
1408 | r = zg.set_as_default(true); | |
1409 | if (r == 0) { | |
1410 | ldout(cct, 1) << "Set the period's master zonegroup " << zg.get_id() | |
1411 | << " as the default" << dendl; | |
1412 | } | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | int r = period_config.write(store, realm_id); | |
1417 | if (r < 0) { | |
1418 | ldout(cct, 0) << "ERROR: failed to store period config: " | |
1419 | << cpp_strerror(-r) << dendl; | |
1420 | return r; | |
1421 | } | |
1422 | return 0; | |
1423 | } | |
1424 | ||
1425 | void RGWPeriod::fork() | |
1426 | { | |
1427 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << id << dendl; | |
1428 | predecessor_uuid = id; | |
1429 | id = get_staging_id(realm_id); | |
1430 | period_map.reset(); | |
1431 | realm_epoch++; | |
1432 | } | |
1433 | ||
1434 | static int read_sync_status(RGWRados *store, rgw_meta_sync_status *sync_status) | |
1435 | { | |
1436 | // initialize a sync status manager to read the status | |
1437 | RGWMetaSyncStatusManager mgr(store, store->get_async_rados()); | |
1438 | int r = mgr.init(); | |
1439 | if (r < 0) { | |
1440 | return r; | |
1441 | } | |
1442 | r = mgr.read_sync_status(sync_status); | |
1443 | mgr.stop(); | |
1444 | return r; | |
1445 | } | |
1446 | ||
1447 | int RGWPeriod::update_sync_status(const RGWPeriod ¤t_period, | |
1448 | std::ostream& error_stream, | |
1449 | bool force_if_stale) | |
1450 | { | |
1451 | rgw_meta_sync_status status; | |
1452 | int r = read_sync_status(store, &status); | |
1453 | if (r < 0) { | |
1454 | ldout(cct, 0) << "period failed to read sync status: " | |
1455 | << cpp_strerror(-r) << dendl; | |
1456 | return r; | |
1457 | } | |
1458 | ||
1459 | std::vector<std::string> markers; | |
1460 | ||
1461 | const auto current_epoch = current_period.get_realm_epoch(); | |
1462 | if (current_epoch != status.sync_info.realm_epoch) { | |
1463 | // no sync status markers for the current period | |
1464 | assert(current_epoch > status.sync_info.realm_epoch); | |
1465 | const int behind = current_epoch - status.sync_info.realm_epoch; | |
1466 | if (!force_if_stale && current_epoch > 1) { | |
1467 | error_stream << "ERROR: This zone is " << behind << " period(s) behind " | |
1468 | "the current master zone in metadata sync. If this zone is promoted " | |
1469 | "to master, any metadata changes during that time are likely to " | |
1470 | "be lost.\n" | |
1471 | "Waiting for this zone to catch up on metadata sync (see " | |
1472 | "'radosgw-admin sync status') is recommended.\n" | |
1473 | "To promote this zone to master anyway, add the flag " | |
1474 | "--yes-i-really-mean-it." << std::endl; | |
1475 | return -EINVAL; | |
1476 | } | |
1477 | // empty sync status markers - other zones will skip this period during | |
1478 | // incremental metadata sync | |
1479 | markers.resize(status.sync_info.num_shards); | |
1480 | } else { | |
1481 | markers.reserve(status.sync_info.num_shards); | |
1482 | for (auto& i : status.sync_markers) { | |
1483 | auto& marker = i.second; | |
1484 | // filter out markers from other periods | |
1485 | if (marker.realm_epoch != current_epoch) { | |
1486 | marker.marker.clear(); | |
1487 | } | |
1488 | markers.emplace_back(std::move(marker.marker)); | |
1489 | } | |
1490 | } | |
1491 | ||
1492 | std::swap(sync_status, markers); | |
1493 | return 0; | |
1494 | } | |
1495 | ||
1496 | int RGWPeriod::commit(RGWRealm& realm, const RGWPeriod& current_period, | |
1497 | std::ostream& error_stream, bool force_if_stale) | |
1498 | { | |
1499 | ldout(cct, 20) << __func__ << " realm " << realm.get_id() << " period " << current_period.get_id() << dendl; | |
1500 | // gateway must be in the master zone to commit | |
1501 | if (master_zone != store->get_zone_params().get_id()) { | |
1502 | error_stream << "Cannot commit period on zone " | |
1503 | << store->get_zone_params().get_id() << ", it must be sent to " | |
1504 | "the period's master zone " << master_zone << '.' << std::endl; | |
1505 | return -EINVAL; | |
1506 | } | |
1507 | // period predecessor must match current period | |
1508 | if (predecessor_uuid != current_period.get_id()) { | |
1509 | error_stream << "Period predecessor " << predecessor_uuid | |
1510 | << " does not match current period " << current_period.get_id() | |
1511 | << ". Use 'period pull' to get the latest period from the master, " | |
1512 | "reapply your changes, and try again." << std::endl; | |
1513 | return -EINVAL; | |
1514 | } | |
1515 | // realm epoch must be 1 greater than current period | |
1516 | if (realm_epoch != current_period.get_realm_epoch() + 1) { | |
1517 | error_stream << "Period's realm epoch " << realm_epoch | |
1518 | << " does not come directly after current realm epoch " | |
1519 | << current_period.get_realm_epoch() << ". Use 'realm pull' to get the " | |
1520 | "latest realm and period from the master zone, reapply your changes, " | |
1521 | "and try again." << std::endl; | |
1522 | return -EINVAL; | |
1523 | } | |
1524 | // did the master zone change? | |
1525 | if (master_zone != current_period.get_master_zone()) { | |
1526 | // store the current metadata sync status in the period | |
1527 | int r = update_sync_status(current_period, error_stream, force_if_stale); | |
1528 | if (r < 0) { | |
1529 | ldout(cct, 0) << "failed to update metadata sync status: " | |
1530 | << cpp_strerror(-r) << dendl; | |
1531 | return r; | |
1532 | } | |
1533 | // create an object with a new period id | |
1534 | r = create(true); | |
1535 | if (r < 0) { | |
1536 | ldout(cct, 0) << "failed to create new period: " << cpp_strerror(-r) << dendl; | |
1537 | return r; | |
1538 | } | |
1539 | // set as current period | |
1540 | r = realm.set_current_period(*this); | |
1541 | if (r < 0) { | |
1542 | ldout(cct, 0) << "failed to update realm's current period: " | |
1543 | << cpp_strerror(-r) << dendl; | |
1544 | return r; | |
1545 | } | |
1546 | ldout(cct, 4) << "Promoted to master zone and committed new period " | |
1547 | << id << dendl; | |
1548 | realm.notify_new_period(*this); | |
1549 | return 0; | |
1550 | } | |
1551 | // period must be based on current epoch | |
1552 | if (epoch != current_period.get_epoch()) { | |
1553 | error_stream << "Period epoch " << epoch << " does not match " | |
1554 | "predecessor epoch " << current_period.get_epoch() | |
1555 | << ". Use 'period pull' to get the latest epoch from the master zone, " | |
1556 | "reapply your changes, and try again." << std::endl; | |
1557 | return -EINVAL; | |
1558 | } | |
1559 | // set period as next epoch | |
1560 | set_id(current_period.get_id()); | |
1561 | set_epoch(current_period.get_epoch() + 1); | |
1562 | set_predecessor(current_period.get_predecessor()); | |
1563 | realm_epoch = current_period.get_realm_epoch(); | |
1564 | // write the period to rados | |
1565 | int r = store_info(false); | |
1566 | if (r < 0) { | |
1567 | ldout(cct, 0) << "failed to store period: " << cpp_strerror(-r) << dendl; | |
1568 | return r; | |
1569 | } | |
1570 | // set as latest epoch | |
224ce89b WB |
1571 | r = update_latest_epoch(epoch); |
1572 | if (r == -EEXIST) { | |
1573 | // already have this epoch (or a more recent one) | |
1574 | return 0; | |
1575 | } | |
7c673cae FG |
1576 | if (r < 0) { |
1577 | ldout(cct, 0) << "failed to set latest epoch: " << cpp_strerror(-r) << dendl; | |
1578 | return r; | |
1579 | } | |
1580 | r = reflect(); | |
1581 | if (r < 0) { | |
1582 | ldout(cct, 0) << "failed to update local objects: " << cpp_strerror(-r) << dendl; | |
1583 | return r; | |
1584 | } | |
1585 | ldout(cct, 4) << "Committed new epoch " << epoch | |
1586 | << " for period " << id << dendl; | |
1587 | realm.notify_new_period(*this); | |
1588 | return 0; | |
1589 | } | |
1590 | ||
1591 | int RGWZoneParams::create_default(bool old_format) | |
1592 | { | |
1593 | name = default_zone_name; | |
1594 | ||
1595 | int r = create(); | |
1596 | if (r < 0) { | |
1597 | return r; | |
1598 | } | |
1599 | ||
1600 | if (old_format) { | |
1601 | name = id; | |
1602 | } | |
1603 | ||
1604 | return r; | |
1605 | } | |
1606 | ||
1607 | ||
1608 | int get_zones_pool_set(CephContext* cct, | |
1609 | RGWRados* store, | |
1610 | const list<string>& zones, | |
1611 | const string& my_zone_id, | |
1612 | set<rgw_pool>& pool_names) | |
1613 | { | |
1614 | for(auto const& iter : zones) { | |
1615 | RGWZoneParams zone(iter); | |
1616 | int r = zone.init(cct, store); | |
1617 | if (r < 0) { | |
1618 | ldout(cct, 0) << "Error: init zone " << iter << ":" << cpp_strerror(-r) << dendl; | |
1619 | return r; | |
1620 | } | |
1621 | if (zone.get_id() != my_zone_id) { | |
1622 | pool_names.insert(zone.domain_root); | |
1623 | pool_names.insert(zone.metadata_heap); | |
1624 | pool_names.insert(zone.control_pool); | |
1625 | pool_names.insert(zone.gc_pool); | |
1626 | pool_names.insert(zone.log_pool); | |
1627 | pool_names.insert(zone.intent_log_pool); | |
1628 | pool_names.insert(zone.usage_log_pool); | |
1629 | pool_names.insert(zone.user_keys_pool); | |
1630 | pool_names.insert(zone.user_email_pool); | |
1631 | pool_names.insert(zone.user_swift_pool); | |
1632 | pool_names.insert(zone.user_uid_pool); | |
1633 | pool_names.insert(zone.roles_pool); | |
31f18b77 | 1634 | pool_names.insert(zone.reshard_pool); |
7c673cae FG |
1635 | for(auto& iter : zone.placement_pools) { |
1636 | pool_names.insert(iter.second.index_pool); | |
1637 | pool_names.insert(iter.second.data_pool); | |
1638 | pool_names.insert(iter.second.data_extra_pool); | |
1639 | } | |
1640 | } | |
1641 | } | |
1642 | return 0; | |
1643 | } | |
1644 | ||
1645 | rgw_pool fix_zone_pool_dup(set<rgw_pool> pools, | |
1646 | const string& default_prefix, | |
1647 | const string& default_suffix, | |
1648 | const rgw_pool& suggested_pool) | |
1649 | { | |
1650 | string suggested_name = suggested_pool.to_str(); | |
1651 | ||
1652 | string prefix = default_prefix; | |
1653 | string suffix = default_suffix; | |
1654 | ||
1655 | if (!suggested_pool.empty()) { | |
1656 | prefix = suggested_name.substr(0, suggested_name.find(".")); | |
1657 | suffix = suggested_name.substr(prefix.length()); | |
1658 | } | |
1659 | ||
1660 | rgw_pool pool(prefix + suffix); | |
1661 | ||
1662 | if (pools.find(pool) == pools.end()) { | |
1663 | return pool; | |
1664 | } else { | |
1665 | while(true) { | |
1666 | pool = prefix + "_" + std::to_string(std::rand()) + suffix; | |
1667 | if (pools.find(pool) == pools.end()) { | |
1668 | return pool; | |
1669 | } | |
1670 | } | |
1671 | } | |
1672 | } | |
1673 | ||
1674 | int RGWZoneParams::fix_pool_names() | |
1675 | { | |
1676 | ||
1677 | list<string> zones; | |
1678 | int r = store->list_zones(zones); | |
1679 | if (r < 0) { | |
1680 | ldout(cct, 10) << "WARNING: store->list_zones() returned r=" << r << dendl; | |
1681 | } | |
1682 | ||
1683 | set<rgw_pool> pools; | |
1684 | r = get_zones_pool_set(cct, store, zones, id, pools); | |
1685 | if (r < 0) { | |
1686 | ldout(cct, 0) << "Error: get_zones_pool_names" << r << dendl; | |
1687 | return r; | |
1688 | } | |
1689 | ||
1690 | domain_root = fix_zone_pool_dup(pools, name, ".rgw.meta:root", domain_root); | |
1691 | if (!metadata_heap.name.empty()) { | |
1692 | metadata_heap = fix_zone_pool_dup(pools, name, ".rgw.meta:heap", metadata_heap); | |
1693 | } | |
1694 | control_pool = fix_zone_pool_dup(pools, name, ".rgw.control", control_pool); | |
1695 | gc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:gc", gc_pool); | |
1696 | lc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:lc", lc_pool); | |
1697 | log_pool = fix_zone_pool_dup(pools, name, ".rgw.log", log_pool); | |
1698 | intent_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:intent", intent_log_pool); | |
1699 | usage_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:usage", usage_log_pool); | |
1700 | user_keys_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.keys", user_keys_pool); | |
1701 | user_email_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.email", user_email_pool); | |
1702 | user_swift_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.swift", user_swift_pool); | |
1703 | user_uid_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.uid", user_uid_pool); | |
1704 | roles_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:roles", roles_pool); | |
31f18b77 | 1705 | reshard_pool = fix_zone_pool_dup(pools, name, ".rgw.log:reshard", reshard_pool); |
7c673cae FG |
1706 | |
1707 | for(auto& iter : placement_pools) { | |
1708 | iter.second.index_pool = fix_zone_pool_dup(pools, name, "." + default_bucket_index_pool_suffix, | |
1709 | iter.second.index_pool); | |
1710 | iter.second.data_pool = fix_zone_pool_dup(pools, name, "." + default_storage_pool_suffix, | |
1711 | iter.second.data_pool); | |
1712 | iter.second.data_extra_pool= fix_zone_pool_dup(pools, name, "." + default_storage_extra_pool_suffix, | |
1713 | iter.second.data_extra_pool); | |
1714 | } | |
1715 | ||
1716 | return 0; | |
1717 | } | |
1718 | ||
1719 | int RGWZoneParams::create(bool exclusive) | |
1720 | { | |
1721 | /* check for old pools config */ | |
1722 | rgw_raw_obj obj(domain_root, avail_pools); | |
1723 | int r = store->raw_obj_stat(obj, NULL, NULL, NULL, NULL, NULL, NULL); | |
1724 | if (r < 0) { | |
1725 | ldout(store->ctx(), 10) << "couldn't find old data placement pools config, setting up new ones for the zone" << dendl; | |
1726 | /* a new system, let's set new placement info */ | |
1727 | RGWZonePlacementInfo default_placement; | |
1728 | default_placement.index_pool = name + "." + default_bucket_index_pool_suffix; | |
1729 | default_placement.data_pool = name + "." + default_storage_pool_suffix; | |
1730 | default_placement.data_extra_pool = name + "." + default_storage_extra_pool_suffix; | |
1731 | placement_pools["default-placement"] = default_placement; | |
1732 | } | |
1733 | ||
1734 | r = fix_pool_names(); | |
1735 | if (r < 0) { | |
1736 | ldout(cct, 0) << "ERROR: fix_pool_names returned r=" << r << dendl; | |
1737 | return r; | |
1738 | } | |
1739 | ||
1740 | r = RGWSystemMetaObj::create(exclusive); | |
1741 | if (r < 0) { | |
1742 | return r; | |
1743 | } | |
1744 | ||
1745 | // try to set as default. may race with another create, so pass exclusive=true | |
1746 | // so we don't override an existing default | |
1747 | r = set_as_default(true); | |
1748 | if (r < 0 && r != -EEXIST) { | |
1749 | ldout(cct, 10) << "WARNING: failed to set zone as default, r=" << r << dendl; | |
1750 | } | |
1751 | ||
1752 | return 0; | |
1753 | } | |
1754 | ||
1755 | rgw_pool RGWZoneParams::get_pool(CephContext *cct) | |
1756 | { | |
1757 | if (cct->_conf->rgw_zone_root_pool.empty()) { | |
1758 | return rgw_pool(RGW_DEFAULT_ZONE_ROOT_POOL); | |
1759 | } | |
1760 | ||
1761 | return rgw_pool(cct->_conf->rgw_zone_root_pool); | |
1762 | } | |
1763 | ||
1764 | const string RGWZoneParams::get_default_oid(bool old_format) | |
1765 | { | |
1766 | if (old_format) { | |
1767 | return cct->_conf->rgw_default_zone_info_oid; | |
1768 | } | |
1769 | ||
1770 | return cct->_conf->rgw_default_zone_info_oid + "." + realm_id; | |
1771 | } | |
1772 | ||
1773 | const string& RGWZoneParams::get_names_oid_prefix() | |
1774 | { | |
1775 | return zone_names_oid_prefix; | |
1776 | } | |
1777 | ||
1778 | const string& RGWZoneParams::get_info_oid_prefix(bool old_format) | |
1779 | { | |
1780 | return zone_info_oid_prefix; | |
1781 | } | |
1782 | ||
1783 | const string& RGWZoneParams::get_predefined_name(CephContext *cct) { | |
1784 | return cct->_conf->rgw_zone; | |
1785 | } | |
1786 | ||
1787 | int RGWZoneParams::init(CephContext *cct, RGWRados *store, bool setup_obj, bool old_format) | |
1788 | { | |
1789 | if (name.empty()) { | |
1790 | name = cct->_conf->rgw_zone; | |
1791 | } | |
1792 | ||
1793 | return RGWSystemMetaObj::init(cct, store, setup_obj, old_format); | |
1794 | } | |
1795 | ||
1796 | int RGWZoneParams::read_default_id(string& default_id, bool old_format) | |
1797 | { | |
1798 | if (realm_id.empty()) { | |
1799 | /* try using default realm */ | |
1800 | RGWRealm realm; | |
1801 | int ret = realm.init(cct, store); | |
1802 | if (ret < 0) { | |
1803 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1804 | return -ENOENT; | |
1805 | } | |
1806 | realm_id = realm.get_id(); | |
1807 | } | |
1808 | ||
1809 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
1810 | } | |
1811 | ||
1812 | ||
1813 | int RGWZoneParams::set_as_default(bool exclusive) | |
1814 | { | |
1815 | if (realm_id.empty()) { | |
1816 | /* try using default realm */ | |
1817 | RGWRealm realm; | |
1818 | int ret = realm.init(cct, store); | |
1819 | if (ret < 0) { | |
1820 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1821 | return -EINVAL; | |
1822 | } | |
1823 | realm_id = realm.get_id(); | |
1824 | } | |
1825 | ||
1826 | return RGWSystemMetaObj::set_as_default(exclusive); | |
1827 | } | |
1828 | ||
1829 | const string& RGWZoneParams::get_compression_type(const string& placement_rule) const | |
1830 | { | |
1831 | static const std::string NONE{"none"}; | |
1832 | auto p = placement_pools.find(placement_rule); | |
1833 | if (p == placement_pools.end()) { | |
1834 | return NONE; | |
1835 | } | |
1836 | const auto& type = p->second.compression_type; | |
1837 | return !type.empty() ? type : NONE; | |
1838 | } | |
1839 | ||
1840 | void RGWPeriodMap::encode(bufferlist& bl) const { | |
1841 | ENCODE_START(2, 1, bl); | |
1842 | ::encode(id, bl); | |
1843 | ::encode(zonegroups, bl); | |
1844 | ::encode(master_zonegroup, bl); | |
1845 | ::encode(short_zone_ids, bl); | |
1846 | ENCODE_FINISH(bl); | |
1847 | } | |
1848 | ||
1849 | void RGWPeriodMap::decode(bufferlist::iterator& bl) { | |
1850 | DECODE_START(2, bl); | |
1851 | ::decode(id, bl); | |
1852 | ::decode(zonegroups, bl); | |
1853 | ::decode(master_zonegroup, bl); | |
1854 | if (struct_v >= 2) { | |
1855 | ::decode(short_zone_ids, bl); | |
1856 | } | |
1857 | DECODE_FINISH(bl); | |
1858 | ||
1859 | zonegroups_by_api.clear(); | |
1860 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1861 | iter != zonegroups.end(); ++iter) { | |
1862 | RGWZoneGroup& zonegroup = iter->second; | |
1863 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
31f18b77 | 1864 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
1865 | master_zonegroup = zonegroup.get_id(); |
1866 | } | |
1867 | } | |
1868 | } | |
1869 | ||
1870 | // run an MD5 hash on the zone_id and return the first 32 bits | |
1871 | static uint32_t gen_short_zone_id(const std::string zone_id) | |
1872 | { | |
1873 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
1874 | MD5 hash; | |
1875 | hash.Update((const byte *)zone_id.c_str(), zone_id.size()); | |
1876 | hash.Final(md5); | |
1877 | ||
1878 | uint32_t short_id; | |
1879 | memcpy((char *)&short_id, md5, sizeof(short_id)); | |
1880 | return std::max(short_id, 1u); | |
1881 | } | |
1882 | ||
1883 | int RGWPeriodMap::update(const RGWZoneGroup& zonegroup, CephContext *cct) | |
1884 | { | |
31f18b77 | 1885 | if (zonegroup.is_master_zonegroup() && (!master_zonegroup.empty() && zonegroup.get_id() != master_zonegroup)) { |
7c673cae FG |
1886 | ldout(cct,0) << "Error updating periodmap, multiple master zonegroups configured "<< dendl; |
1887 | ldout(cct,0) << "master zonegroup: " << master_zonegroup << " and " << zonegroup.get_id() <<dendl; | |
1888 | return -EINVAL; | |
1889 | } | |
1890 | map<string, RGWZoneGroup>::iterator iter = zonegroups.find(zonegroup.get_id()); | |
1891 | if (iter != zonegroups.end()) { | |
1892 | RGWZoneGroup& old_zonegroup = iter->second; | |
1893 | if (!old_zonegroup.api_name.empty()) { | |
1894 | zonegroups_by_api.erase(old_zonegroup.api_name); | |
1895 | } | |
1896 | } | |
1897 | zonegroups[zonegroup.get_id()] = zonegroup; | |
1898 | ||
1899 | if (!zonegroup.api_name.empty()) { | |
1900 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1901 | } | |
1902 | ||
31f18b77 | 1903 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
1904 | master_zonegroup = zonegroup.get_id(); |
1905 | } else if (master_zonegroup == zonegroup.get_id()) { | |
1906 | master_zonegroup = ""; | |
1907 | } | |
1908 | ||
1909 | for (auto& i : zonegroup.zones) { | |
1910 | auto& zone = i.second; | |
1911 | if (short_zone_ids.find(zone.id) != short_zone_ids.end()) { | |
1912 | continue; | |
1913 | } | |
1914 | // calculate the zone's short id | |
1915 | uint32_t short_id = gen_short_zone_id(zone.id); | |
1916 | ||
1917 | // search for an existing zone with the same short id | |
1918 | for (auto& s : short_zone_ids) { | |
1919 | if (s.second == short_id) { | |
1920 | ldout(cct, 0) << "New zone '" << zone.name << "' (" << zone.id | |
1921 | << ") generates the same short_zone_id " << short_id | |
1922 | << " as existing zone id " << s.first << dendl; | |
1923 | return -EEXIST; | |
1924 | } | |
1925 | } | |
1926 | ||
1927 | short_zone_ids[zone.id] = short_id; | |
1928 | } | |
1929 | ||
1930 | return 0; | |
1931 | } | |
1932 | ||
1933 | uint32_t RGWPeriodMap::get_zone_short_id(const string& zone_id) const | |
1934 | { | |
1935 | auto i = short_zone_ids.find(zone_id); | |
1936 | if (i == short_zone_ids.end()) { | |
1937 | return 0; | |
1938 | } | |
1939 | return i->second; | |
1940 | } | |
1941 | ||
1942 | int RGWZoneGroupMap::read(CephContext *cct, RGWRados *store) | |
1943 | { | |
1944 | ||
1945 | RGWPeriod period; | |
1946 | int ret = period.init(cct, store); | |
1947 | if (ret < 0) { | |
1948 | cerr << "failed to read current period info: " << cpp_strerror(ret); | |
1949 | return ret; | |
1950 | } | |
1951 | ||
1952 | bucket_quota = period.get_config().bucket_quota; | |
1953 | user_quota = period.get_config().user_quota; | |
1954 | zonegroups = period.get_map().zonegroups; | |
1955 | zonegroups_by_api = period.get_map().zonegroups_by_api; | |
1956 | master_zonegroup = period.get_map().master_zonegroup; | |
1957 | ||
1958 | return 0; | |
1959 | } | |
1960 | ||
1961 | void RGWRegionMap::encode(bufferlist& bl) const { | |
1962 | ENCODE_START( 3, 1, bl); | |
1963 | ::encode(regions, bl); | |
1964 | ::encode(master_region, bl); | |
1965 | ::encode(bucket_quota, bl); | |
1966 | ::encode(user_quota, bl); | |
1967 | ENCODE_FINISH(bl); | |
1968 | } | |
1969 | ||
1970 | void RGWRegionMap::decode(bufferlist::iterator& bl) { | |
1971 | DECODE_START(3, bl); | |
1972 | ::decode(regions, bl); | |
1973 | ::decode(master_region, bl); | |
1974 | if (struct_v >= 2) | |
1975 | ::decode(bucket_quota, bl); | |
1976 | if (struct_v >= 3) | |
1977 | ::decode(user_quota, bl); | |
1978 | DECODE_FINISH(bl); | |
1979 | } | |
1980 | ||
1981 | void RGWZoneGroupMap::encode(bufferlist& bl) const { | |
1982 | ENCODE_START( 3, 1, bl); | |
1983 | ::encode(zonegroups, bl); | |
1984 | ::encode(master_zonegroup, bl); | |
1985 | ::encode(bucket_quota, bl); | |
1986 | ::encode(user_quota, bl); | |
1987 | ENCODE_FINISH(bl); | |
1988 | } | |
1989 | ||
1990 | void RGWZoneGroupMap::decode(bufferlist::iterator& bl) { | |
1991 | DECODE_START(3, bl); | |
1992 | ::decode(zonegroups, bl); | |
1993 | ::decode(master_zonegroup, bl); | |
1994 | if (struct_v >= 2) | |
1995 | ::decode(bucket_quota, bl); | |
1996 | if (struct_v >= 3) | |
1997 | ::decode(user_quota, bl); | |
1998 | DECODE_FINISH(bl); | |
1999 | ||
2000 | zonegroups_by_api.clear(); | |
2001 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
2002 | iter != zonegroups.end(); ++iter) { | |
2003 | RGWZoneGroup& zonegroup = iter->second; | |
2004 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
31f18b77 | 2005 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
2006 | master_zonegroup = zonegroup.get_name(); |
2007 | } | |
2008 | } | |
2009 | } | |
2010 | ||
2011 | void RGWObjVersionTracker::prepare_op_for_read(ObjectReadOperation *op) | |
2012 | { | |
2013 | obj_version *check_objv = version_for_check(); | |
2014 | ||
2015 | if (check_objv) { | |
2016 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2017 | } | |
2018 | ||
2019 | cls_version_read(*op, &read_version); | |
2020 | } | |
2021 | ||
2022 | void RGWObjVersionTracker::prepare_op_for_write(ObjectWriteOperation *op) | |
2023 | { | |
2024 | obj_version *check_objv = version_for_check(); | |
2025 | obj_version *modify_version = version_for_write(); | |
2026 | ||
2027 | if (check_objv) { | |
2028 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2029 | } | |
2030 | ||
2031 | if (modify_version) { | |
2032 | cls_version_set(*op, *modify_version); | |
2033 | } else { | |
2034 | cls_version_inc(*op); | |
2035 | } | |
2036 | } | |
2037 | ||
2038 | void RGWObjManifest::obj_iterator::operator++() | |
2039 | { | |
2040 | if (manifest->explicit_objs) { | |
2041 | ++explicit_iter; | |
2042 | ||
2043 | if (explicit_iter == manifest->objs.end()) { | |
2044 | ofs = manifest->obj_size; | |
2045 | return; | |
2046 | } | |
2047 | ||
2048 | update_explicit_pos(); | |
2049 | ||
2050 | update_location(); | |
2051 | return; | |
2052 | } | |
2053 | ||
2054 | uint64_t obj_size = manifest->get_obj_size(); | |
2055 | uint64_t head_size = manifest->get_head_size(); | |
2056 | ||
2057 | if (ofs == obj_size) { | |
2058 | return; | |
2059 | } | |
2060 | ||
2061 | if (manifest->rules.empty()) { | |
2062 | return; | |
2063 | } | |
2064 | ||
2065 | /* are we still pointing at the head? */ | |
2066 | if (ofs < head_size) { | |
2067 | rule_iter = manifest->rules.begin(); | |
2068 | RGWObjManifestRule *rule = &rule_iter->second; | |
2069 | ofs = MIN(head_size, obj_size); | |
2070 | stripe_ofs = ofs; | |
2071 | cur_stripe = 1; | |
2072 | stripe_size = MIN(obj_size - ofs, rule->stripe_max_size); | |
2073 | if (rule->part_size > 0) { | |
2074 | stripe_size = MIN(stripe_size, rule->part_size); | |
2075 | } | |
2076 | update_location(); | |
2077 | return; | |
2078 | } | |
2079 | ||
2080 | RGWObjManifestRule *rule = &rule_iter->second; | |
2081 | ||
2082 | stripe_ofs += rule->stripe_max_size; | |
2083 | cur_stripe++; | |
2084 | dout(20) << "RGWObjManifest::operator++(): rule->part_size=" << rule->part_size << " rules.size()=" << manifest->rules.size() << dendl; | |
2085 | ||
2086 | if (rule->part_size > 0) { | |
2087 | /* multi part, multi stripes object */ | |
2088 | ||
2089 | dout(20) << "RGWObjManifest::operator++(): stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2090 | ||
2091 | if (stripe_ofs >= part_ofs + rule->part_size) { | |
2092 | /* moved to the next part */ | |
2093 | cur_stripe = 0; | |
2094 | part_ofs += rule->part_size; | |
2095 | stripe_ofs = part_ofs; | |
2096 | ||
2097 | bool last_rule = (next_rule_iter == manifest->rules.end()); | |
2098 | /* move to the next rule? */ | |
2099 | if (!last_rule && stripe_ofs >= next_rule_iter->second.start_ofs) { | |
2100 | rule_iter = next_rule_iter; | |
2101 | last_rule = (next_rule_iter == manifest->rules.end()); | |
2102 | if (!last_rule) { | |
2103 | ++next_rule_iter; | |
2104 | } | |
2105 | cur_part_id = rule_iter->second.start_part_num; | |
2106 | } else { | |
2107 | cur_part_id++; | |
2108 | } | |
2109 | ||
2110 | rule = &rule_iter->second; | |
2111 | } | |
2112 | ||
2113 | stripe_size = MIN(rule->part_size - (stripe_ofs - part_ofs), rule->stripe_max_size); | |
2114 | } | |
2115 | ||
2116 | cur_override_prefix = rule->override_prefix; | |
2117 | ||
2118 | ofs = stripe_ofs; | |
2119 | if (ofs > obj_size) { | |
2120 | ofs = obj_size; | |
2121 | stripe_ofs = ofs; | |
2122 | stripe_size = 0; | |
2123 | } | |
2124 | ||
2125 | dout(20) << "RGWObjManifest::operator++(): result: ofs=" << ofs << " stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2126 | update_location(); | |
2127 | } | |
2128 | ||
2129 | int RGWObjManifest::generator::create_begin(CephContext *cct, RGWObjManifest *_m, const string& placement_rule, rgw_bucket& _b, rgw_obj& _obj) | |
2130 | { | |
2131 | manifest = _m; | |
2132 | ||
2133 | manifest->set_tail_placement(placement_rule, _b); | |
2134 | manifest->set_head(placement_rule, _obj, 0); | |
2135 | last_ofs = 0; | |
2136 | ||
2137 | if (manifest->get_prefix().empty()) { | |
2138 | char buf[33]; | |
2139 | gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1); | |
2140 | ||
2141 | string oid_prefix = "."; | |
2142 | oid_prefix.append(buf); | |
2143 | oid_prefix.append("_"); | |
2144 | ||
2145 | manifest->set_prefix(oid_prefix); | |
2146 | } | |
2147 | ||
2148 | bool found = manifest->get_rule(0, &rule); | |
2149 | if (!found) { | |
2150 | derr << "ERROR: manifest->get_rule() could not find rule" << dendl; | |
2151 | return -EIO; | |
2152 | } | |
2153 | ||
2154 | uint64_t head_size = manifest->get_head_size(); | |
2155 | ||
2156 | if (head_size > 0) { | |
2157 | cur_stripe_size = head_size; | |
2158 | } else { | |
2159 | cur_stripe_size = rule.stripe_max_size; | |
2160 | } | |
2161 | ||
2162 | cur_part_id = rule.start_part_num; | |
2163 | ||
2164 | manifest->get_implicit_location(cur_part_id, cur_stripe, 0, NULL, &cur_obj); | |
2165 | ||
2166 | // Normal object which not generated through copy operation | |
2167 | manifest->set_tail_instance(_obj.key.instance); | |
2168 | ||
2169 | manifest->update_iterators(); | |
2170 | ||
2171 | return 0; | |
2172 | } | |
2173 | ||
2174 | int RGWObjManifest::generator::create_next(uint64_t ofs) | |
2175 | { | |
2176 | if (ofs < last_ofs) /* only going forward */ | |
2177 | return -EINVAL; | |
2178 | ||
2179 | uint64_t max_head_size = manifest->get_max_head_size(); | |
2180 | ||
2181 | if (ofs < max_head_size) { | |
2182 | manifest->set_head_size(ofs); | |
2183 | } | |
2184 | ||
2185 | if (ofs >= max_head_size) { | |
2186 | manifest->set_head_size(max_head_size); | |
2187 | cur_stripe = (ofs - max_head_size) / rule.stripe_max_size; | |
2188 | cur_stripe_size = rule.stripe_max_size; | |
2189 | ||
2190 | if (cur_part_id == 0 && max_head_size > 0) { | |
2191 | cur_stripe++; | |
2192 | } | |
2193 | } | |
2194 | ||
2195 | last_ofs = ofs; | |
2196 | manifest->set_obj_size(ofs); | |
2197 | ||
2198 | manifest->get_implicit_location(cur_part_id, cur_stripe, ofs, NULL, &cur_obj); | |
2199 | ||
2200 | manifest->update_iterators(); | |
2201 | ||
2202 | return 0; | |
2203 | } | |
2204 | ||
2205 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_begin() | |
2206 | { | |
2207 | return begin_iter; | |
2208 | } | |
2209 | ||
2210 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_end() | |
2211 | { | |
2212 | return end_iter; | |
2213 | } | |
2214 | ||
2215 | RGWObjManifest::obj_iterator RGWObjManifest::obj_find(uint64_t ofs) | |
2216 | { | |
2217 | if (ofs > obj_size) { | |
2218 | ofs = obj_size; | |
2219 | } | |
2220 | RGWObjManifest::obj_iterator iter(this); | |
2221 | iter.seek(ofs); | |
2222 | return iter; | |
2223 | } | |
2224 | ||
2225 | int RGWObjManifest::append(RGWObjManifest& m, RGWZoneGroup& zonegroup, RGWZoneParams& zone_params) | |
2226 | { | |
2227 | if (explicit_objs || m.explicit_objs) { | |
2228 | return append_explicit(m, zonegroup, zone_params); | |
2229 | } | |
2230 | ||
2231 | if (rules.empty()) { | |
2232 | *this = m; | |
2233 | return 0; | |
2234 | } | |
2235 | ||
2236 | string override_prefix; | |
2237 | ||
2238 | if (prefix.empty()) { | |
2239 | prefix = m.prefix; | |
2240 | } | |
2241 | ||
2242 | if (prefix != m.prefix) { | |
2243 | override_prefix = m.prefix; | |
2244 | } | |
2245 | ||
2246 | map<uint64_t, RGWObjManifestRule>::iterator miter = m.rules.begin(); | |
2247 | if (miter == m.rules.end()) { | |
2248 | return append_explicit(m, zonegroup, zone_params); | |
2249 | } | |
2250 | ||
2251 | for (; miter != m.rules.end(); ++miter) { | |
2252 | map<uint64_t, RGWObjManifestRule>::reverse_iterator last_rule = rules.rbegin(); | |
2253 | ||
2254 | RGWObjManifestRule& rule = last_rule->second; | |
2255 | ||
2256 | if (rule.part_size == 0) { | |
2257 | rule.part_size = obj_size - rule.start_ofs; | |
2258 | } | |
2259 | ||
2260 | RGWObjManifestRule& next_rule = miter->second; | |
2261 | if (!next_rule.part_size) { | |
2262 | next_rule.part_size = m.obj_size - next_rule.start_ofs; | |
2263 | } | |
2264 | ||
2265 | string rule_prefix = prefix; | |
2266 | if (!rule.override_prefix.empty()) { | |
2267 | rule_prefix = rule.override_prefix; | |
2268 | } | |
2269 | ||
2270 | string next_rule_prefix = m.prefix; | |
2271 | if (!next_rule.override_prefix.empty()) { | |
2272 | next_rule_prefix = next_rule.override_prefix; | |
2273 | } | |
2274 | ||
2275 | if (rule.part_size != next_rule.part_size || | |
2276 | rule.stripe_max_size != next_rule.stripe_max_size || | |
2277 | rule_prefix != next_rule_prefix) { | |
2278 | if (next_rule_prefix != prefix) { | |
2279 | append_rules(m, miter, &next_rule_prefix); | |
2280 | } else { | |
2281 | append_rules(m, miter, NULL); | |
2282 | } | |
2283 | break; | |
2284 | } | |
2285 | ||
2286 | uint64_t expected_part_num = rule.start_part_num + 1; | |
2287 | if (rule.part_size > 0) { | |
2288 | expected_part_num = rule.start_part_num + (obj_size + next_rule.start_ofs - rule.start_ofs) / rule.part_size; | |
2289 | } | |
2290 | ||
2291 | if (expected_part_num != next_rule.start_part_num) { | |
2292 | append_rules(m, miter, NULL); | |
2293 | break; | |
2294 | } | |
2295 | } | |
2296 | ||
2297 | set_obj_size(obj_size + m.obj_size); | |
2298 | ||
2299 | return 0; | |
2300 | } | |
2301 | ||
2302 | int RGWObjManifest::append(RGWObjManifest& m, RGWRados *store) | |
2303 | { | |
2304 | return append(m, store->get_zonegroup(), store->get_zone_params()); | |
2305 | } | |
2306 | ||
2307 | void RGWObjManifest::append_rules(RGWObjManifest& m, map<uint64_t, RGWObjManifestRule>::iterator& miter, | |
2308 | string *override_prefix) | |
2309 | { | |
2310 | for (; miter != m.rules.end(); ++miter) { | |
2311 | RGWObjManifestRule rule = miter->second; | |
2312 | rule.start_ofs += obj_size; | |
2313 | if (override_prefix) | |
2314 | rule.override_prefix = *override_prefix; | |
2315 | rules[rule.start_ofs] = rule; | |
2316 | } | |
2317 | } | |
2318 | ||
2319 | void RGWObjManifest::convert_to_explicit(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2320 | { | |
2321 | if (explicit_objs) { | |
2322 | return; | |
2323 | } | |
2324 | obj_iterator iter = obj_begin(); | |
2325 | ||
2326 | while (iter != obj_end()) { | |
2327 | RGWObjManifestPart& part = objs[iter.get_stripe_ofs()]; | |
2328 | const rgw_obj_select& os = iter.get_location(); | |
2329 | const rgw_raw_obj& raw_loc = os.get_raw_obj(zonegroup, zone_params); | |
2330 | part.loc_ofs = 0; | |
2331 | ||
2332 | uint64_t ofs = iter.get_stripe_ofs(); | |
2333 | ||
2334 | if (ofs == 0) { | |
2335 | part.loc = obj; | |
2336 | } else { | |
2337 | rgw_raw_obj_to_obj(tail_placement.bucket, raw_loc, &part.loc); | |
2338 | } | |
2339 | ++iter; | |
2340 | uint64_t next_ofs = iter.get_stripe_ofs(); | |
2341 | ||
2342 | part.size = next_ofs - ofs; | |
2343 | } | |
2344 | ||
2345 | explicit_objs = true; | |
2346 | rules.clear(); | |
2347 | prefix.clear(); | |
2348 | } | |
2349 | ||
2350 | int RGWObjManifest::append_explicit(RGWObjManifest& m, const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2351 | { | |
2352 | if (!explicit_objs) { | |
2353 | convert_to_explicit(zonegroup, zone_params); | |
2354 | } | |
2355 | if (!m.explicit_objs) { | |
2356 | m.convert_to_explicit(zonegroup, zone_params); | |
2357 | } | |
2358 | map<uint64_t, RGWObjManifestPart>::iterator iter; | |
2359 | uint64_t base = obj_size; | |
2360 | for (iter = m.objs.begin(); iter != m.objs.end(); ++iter) { | |
2361 | RGWObjManifestPart& part = iter->second; | |
2362 | objs[base + iter->first] = part; | |
2363 | } | |
2364 | obj_size += m.obj_size; | |
2365 | ||
2366 | return 0; | |
2367 | } | |
2368 | ||
2369 | bool RGWObjManifest::get_rule(uint64_t ofs, RGWObjManifestRule *rule) | |
2370 | { | |
2371 | if (rules.empty()) { | |
2372 | return false; | |
2373 | } | |
2374 | ||
2375 | map<uint64_t, RGWObjManifestRule>::iterator iter = rules.upper_bound(ofs); | |
2376 | if (iter != rules.begin()) { | |
2377 | --iter; | |
2378 | } | |
2379 | ||
2380 | *rule = iter->second; | |
2381 | ||
2382 | return true; | |
2383 | } | |
2384 | ||
2385 | void RGWObjVersionTracker::generate_new_write_ver(CephContext *cct) | |
2386 | { | |
2387 | write_version.ver = 1; | |
2388 | #define TAG_LEN 24 | |
2389 | ||
2390 | write_version.tag.clear(); | |
2391 | append_rand_alpha(cct, write_version.tag, write_version.tag, TAG_LEN); | |
2392 | } | |
2393 | ||
2394 | int RGWPutObjProcessor::complete(size_t accounted_size, const string& etag, | |
2395 | real_time *mtime, real_time set_mtime, | |
2396 | map<string, bufferlist>& attrs, real_time delete_at, | |
31f18b77 FG |
2397 | const char *if_match, const char *if_nomatch, const string *user_data, |
2398 | rgw_zone_set *zones_trace) | |
7c673cae | 2399 | { |
31f18b77 | 2400 | int r = do_complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at, if_match, if_nomatch, user_data, zones_trace); |
7c673cae FG |
2401 | if (r < 0) |
2402 | return r; | |
2403 | ||
2404 | is_complete = !canceled; | |
2405 | return 0; | |
2406 | } | |
2407 | ||
2408 | CephContext *RGWPutObjProcessor::ctx() | |
2409 | { | |
2410 | return store->ctx(); | |
2411 | } | |
2412 | ||
2413 | RGWPutObjProcessor_Aio::~RGWPutObjProcessor_Aio() | |
2414 | { | |
2415 | drain_pending(); | |
2416 | ||
2417 | if (is_complete) | |
2418 | return; | |
2419 | ||
2420 | set<rgw_raw_obj>::iterator iter; | |
2421 | bool need_to_remove_head = false; | |
2422 | rgw_raw_obj raw_head; | |
2423 | ||
2424 | if (!head_obj.empty()) { | |
2425 | store->obj_to_raw(bucket_info.placement_rule, head_obj, &raw_head); | |
2426 | } | |
2427 | ||
2428 | /** | |
2429 | * We should delete the object in the "multipart" namespace to avoid race condition. | |
2430 | * Such race condition is caused by the fact that the multipart object is the gatekeeper of a multipart | |
2431 | * upload, when it is deleted, a second upload would start with the same suffix("2/"), therefore, objects | |
2432 | * written by the second upload may be deleted by the first upload. | |
2433 | * details is describled on #11749 | |
2434 | * | |
2435 | * The above comment still stands, but instead of searching for a specific object in the multipart | |
2436 | * namespace, we just make sure that we remove the object that is marked as the head object after | |
2437 | * we remove all the other raw objects. Note that we use different call to remove the head object, | |
2438 | * as this one needs to go via the bucket index prepare/complete 2-phase commit scheme. | |
2439 | */ | |
2440 | for (iter = written_objs.begin(); iter != written_objs.end(); ++iter) { | |
2441 | const rgw_raw_obj& obj = *iter; | |
2442 | if (!head_obj.empty() && obj == raw_head) { | |
2443 | ldout(store->ctx(), 5) << "NOTE: we should not process the head object (" << obj << ") here" << dendl; | |
2444 | need_to_remove_head = true; | |
2445 | continue; | |
2446 | } | |
2447 | ||
2448 | int r = store->delete_raw_obj(obj); | |
2449 | if (r < 0 && r != -ENOENT) { | |
2450 | ldout(store->ctx(), 5) << "WARNING: failed to remove obj (" << obj << "), leaked" << dendl; | |
2451 | } | |
2452 | } | |
2453 | ||
2454 | if (need_to_remove_head) { | |
2455 | ldout(store->ctx(), 5) << "NOTE: we are going to process the head obj (" << raw_head << ")" << dendl; | |
2456 | int r = store->delete_obj(obj_ctx, bucket_info, head_obj, 0, 0); | |
2457 | if (r < 0 && r != -ENOENT) { | |
2458 | ldout(store->ctx(), 0) << "WARNING: failed to remove obj (" << raw_head << "), leaked" << dendl; | |
2459 | } | |
2460 | } | |
2461 | } | |
2462 | ||
2463 | int RGWPutObjProcessor_Aio::handle_obj_data(rgw_raw_obj& obj, bufferlist& bl, off_t ofs, off_t abs_ofs, void **phandle, bool exclusive) | |
2464 | { | |
2465 | if ((uint64_t)abs_ofs + bl.length() > obj_len) | |
2466 | obj_len = abs_ofs + bl.length(); | |
2467 | ||
2468 | if (!(obj == last_written_obj)) { | |
2469 | last_written_obj = obj; | |
2470 | } | |
2471 | ||
2472 | // For the first call pass -1 as the offset to | |
2473 | // do a write_full. | |
2474 | return store->aio_put_obj_data(NULL, obj, bl, ((ofs != 0) ? ofs : -1), exclusive, phandle); | |
2475 | } | |
2476 | ||
2477 | struct put_obj_aio_info RGWPutObjProcessor_Aio::pop_pending() | |
2478 | { | |
2479 | struct put_obj_aio_info info; | |
2480 | info = pending.front(); | |
2481 | pending.pop_front(); | |
2482 | pending_size -= info.size; | |
2483 | return info; | |
2484 | } | |
2485 | ||
2486 | int RGWPutObjProcessor_Aio::wait_pending_front() | |
2487 | { | |
2488 | if (pending.empty()) { | |
2489 | return 0; | |
2490 | } | |
2491 | struct put_obj_aio_info info = pop_pending(); | |
2492 | int ret = store->aio_wait(info.handle); | |
2493 | ||
2494 | if (ret >= 0) { | |
2495 | add_written_obj(info.obj); | |
2496 | } | |
2497 | ||
2498 | return ret; | |
2499 | } | |
2500 | ||
2501 | bool RGWPutObjProcessor_Aio::pending_has_completed() | |
2502 | { | |
2503 | if (pending.empty()) | |
2504 | return false; | |
2505 | ||
2506 | struct put_obj_aio_info& info = pending.front(); | |
2507 | return store->aio_completed(info.handle); | |
2508 | } | |
2509 | ||
2510 | int RGWPutObjProcessor_Aio::drain_pending() | |
2511 | { | |
2512 | int ret = 0; | |
2513 | while (!pending.empty()) { | |
2514 | int r = wait_pending_front(); | |
2515 | if (r < 0) | |
2516 | ret = r; | |
2517 | } | |
2518 | return ret; | |
2519 | } | |
2520 | ||
2521 | int RGWPutObjProcessor_Aio::throttle_data(void *handle, const rgw_raw_obj& obj, uint64_t size, bool need_to_wait) | |
2522 | { | |
2523 | bool _wait = need_to_wait; | |
2524 | ||
2525 | if (handle) { | |
2526 | struct put_obj_aio_info info; | |
2527 | info.handle = handle; | |
2528 | info.obj = obj; | |
2529 | info.size = size; | |
2530 | pending_size += size; | |
2531 | pending.push_back(info); | |
2532 | } | |
2533 | size_t orig_size = pending_size; | |
2534 | ||
2535 | /* first drain complete IOs */ | |
2536 | while (pending_has_completed()) { | |
2537 | int r = wait_pending_front(); | |
2538 | if (r < 0) | |
2539 | return r; | |
2540 | ||
2541 | _wait = false; | |
2542 | } | |
2543 | ||
2544 | /* resize window in case messages are draining too fast */ | |
2545 | if (orig_size - pending_size >= window_size) { | |
2546 | window_size += store->ctx()->_conf->rgw_max_chunk_size; | |
2547 | uint64_t max_window_size = store->ctx()->_conf->rgw_put_obj_max_window_size; | |
2548 | if (window_size > max_window_size) { | |
2549 | window_size = max_window_size; | |
2550 | } | |
2551 | } | |
2552 | ||
2553 | /* now throttle. Note that need_to_wait should only affect the first IO operation */ | |
2554 | if (pending_size > window_size || _wait) { | |
2555 | int r = wait_pending_front(); | |
2556 | if (r < 0) | |
2557 | return r; | |
2558 | } | |
2559 | return 0; | |
2560 | } | |
2561 | ||
2562 | int RGWPutObjProcessor_Atomic::write_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool exclusive) | |
2563 | { | |
2564 | if (ofs >= next_part_ofs) { | |
2565 | int r = prepare_next_part(ofs); | |
2566 | if (r < 0) { | |
2567 | return r; | |
2568 | } | |
2569 | } | |
2570 | ||
2571 | *pobj = cur_obj; | |
2572 | ||
224ce89b WB |
2573 | if (!bl.length()) { |
2574 | *phandle = nullptr; | |
7c673cae | 2575 | return 0; |
224ce89b | 2576 | } |
7c673cae FG |
2577 | |
2578 | return RGWPutObjProcessor_Aio::handle_obj_data(cur_obj, bl, ofs - cur_part_ofs, ofs, phandle, exclusive); | |
2579 | } | |
2580 | ||
2581 | int RGWPutObjProcessor_Aio::prepare(RGWRados *store, string *oid_rand) | |
2582 | { | |
2583 | RGWPutObjProcessor::prepare(store, oid_rand); | |
2584 | ||
2585 | window_size = store->ctx()->_conf->rgw_put_obj_min_window_size; | |
2586 | ||
2587 | return 0; | |
2588 | } | |
2589 | ||
2590 | int RGWPutObjProcessor_Atomic::handle_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool *again) | |
2591 | { | |
2592 | *phandle = NULL; | |
2593 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2594 | ||
2595 | pending_data_bl.claim_append(bl); | |
2596 | if (pending_data_bl.length() < max_write_size) { | |
2597 | *again = false; | |
2598 | return 0; | |
2599 | } | |
2600 | ||
2601 | pending_data_bl.splice(0, max_write_size, &bl); | |
2602 | ||
2603 | /* do we have enough data pending accumulated that needs to be written? */ | |
2604 | *again = (pending_data_bl.length() >= max_chunk_size); | |
2605 | ||
2606 | if (!data_ofs && !immutable_head()) { | |
2607 | first_chunk.claim(bl); | |
2608 | obj_len = (uint64_t)first_chunk.length(); | |
2609 | int r = prepare_next_part(obj_len); | |
2610 | if (r < 0) { | |
2611 | return r; | |
2612 | } | |
2613 | data_ofs = obj_len; | |
2614 | return 0; | |
2615 | } | |
2616 | off_t write_ofs = data_ofs; | |
2617 | data_ofs = write_ofs + bl.length(); | |
2618 | bool exclusive = (!write_ofs && immutable_head()); /* immutable head object, need to verify nothing exists there | |
2619 | we could be racing with another upload, to the same | |
2620 | object and cleanup can be messy */ | |
2621 | int ret = write_data(bl, write_ofs, phandle, pobj, exclusive); | |
2622 | if (ret >= 0) { /* we might return, need to clear bl as it was already sent */ | |
2623 | bl.clear(); | |
2624 | } | |
2625 | return ret; | |
2626 | } | |
2627 | ||
2628 | ||
2629 | int RGWPutObjProcessor_Atomic::prepare_init(RGWRados *store, string *oid_rand) | |
2630 | { | |
2631 | RGWPutObjProcessor_Aio::prepare(store, oid_rand); | |
2632 | ||
2633 | int r = store->get_max_chunk_size(bucket_info.placement_rule, head_obj, &max_chunk_size); | |
2634 | if (r < 0) { | |
2635 | return r; | |
2636 | } | |
2637 | ||
2638 | return 0; | |
2639 | } | |
2640 | ||
2641 | int RGWPutObjProcessor_Atomic::prepare(RGWRados *store, string *oid_rand) | |
2642 | { | |
2643 | head_obj.init(bucket, obj_str); | |
2644 | ||
2645 | int r = prepare_init(store, oid_rand); | |
2646 | if (r < 0) { | |
2647 | return r; | |
2648 | } | |
2649 | ||
2650 | if (!version_id.empty()) { | |
2651 | head_obj.key.set_instance(version_id); | |
2652 | } else if (versioned_object) { | |
2653 | store->gen_rand_obj_instance_name(&head_obj); | |
2654 | } | |
2655 | ||
2656 | manifest.set_trivial_rule(max_chunk_size, store->ctx()->_conf->rgw_obj_stripe_size); | |
2657 | ||
2658 | r = manifest_gen.create_begin(store->ctx(), &manifest, bucket_info.placement_rule, head_obj.bucket, head_obj); | |
2659 | if (r < 0) { | |
2660 | return r; | |
2661 | } | |
2662 | ||
2663 | return 0; | |
2664 | } | |
2665 | ||
2666 | int RGWPutObjProcessor_Atomic::prepare_next_part(off_t ofs) { | |
2667 | ||
2668 | int ret = manifest_gen.create_next(ofs); | |
2669 | if (ret < 0) { | |
2670 | lderr(store->ctx()) << "ERROR: manifest_gen.create_next() returned ret=" << ret << dendl; | |
2671 | return ret; | |
2672 | } | |
2673 | cur_part_ofs = ofs; | |
2674 | next_part_ofs = ofs + manifest_gen.cur_stripe_max_size(); | |
2675 | cur_obj = manifest_gen.get_cur_obj(store); | |
2676 | ||
2677 | return 0; | |
2678 | } | |
2679 | ||
2680 | int RGWPutObjProcessor_Atomic::complete_parts() | |
2681 | { | |
2682 | if (obj_len > (uint64_t)cur_part_ofs) { | |
2683 | return prepare_next_part(obj_len); | |
2684 | } | |
2685 | return 0; | |
2686 | } | |
2687 | ||
2688 | int RGWPutObjProcessor_Atomic::complete_writing_data() | |
2689 | { | |
2690 | if (!data_ofs && !immutable_head()) { | |
2691 | /* only claim if pending_data_bl() is not empty. This is needed because we might be called twice | |
2692 | * (e.g., when a retry due to race happens). So a second call to first_chunk.claim() would | |
2693 | * clobber first_chunk | |
2694 | */ | |
2695 | if (pending_data_bl.length() > 0) { | |
2696 | first_chunk.claim(pending_data_bl); | |
2697 | } | |
2698 | obj_len = (uint64_t)first_chunk.length(); | |
2699 | } | |
2700 | while (pending_data_bl.length()) { | |
224ce89b | 2701 | void *handle = nullptr; |
7c673cae FG |
2702 | rgw_raw_obj obj; |
2703 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2704 | if (max_write_size > pending_data_bl.length()) { | |
2705 | max_write_size = pending_data_bl.length(); | |
2706 | } | |
2707 | bufferlist bl; | |
2708 | pending_data_bl.splice(0, max_write_size, &bl); | |
2709 | uint64_t write_len = bl.length(); | |
2710 | int r = write_data(bl, data_ofs, &handle, &obj, false); | |
2711 | if (r < 0) { | |
2712 | ldout(store->ctx(), 0) << "ERROR: write_data() returned " << r << dendl; | |
2713 | return r; | |
2714 | } | |
2715 | data_ofs += write_len; | |
2716 | r = throttle_data(handle, obj, write_len, false); | |
2717 | if (r < 0) { | |
2718 | ldout(store->ctx(), 0) << "ERROR: throttle_data() returned " << r << dendl; | |
2719 | return r; | |
2720 | } | |
2721 | ||
2722 | if (data_ofs >= next_part_ofs) { | |
2723 | r = prepare_next_part(data_ofs); | |
2724 | if (r < 0) { | |
2725 | ldout(store->ctx(), 0) << "ERROR: prepare_next_part() returned " << r << dendl; | |
2726 | return r; | |
2727 | } | |
2728 | } | |
2729 | } | |
2730 | int r = complete_parts(); | |
2731 | if (r < 0) { | |
2732 | return r; | |
2733 | } | |
2734 | ||
2735 | r = drain_pending(); | |
2736 | if (r < 0) | |
2737 | return r; | |
2738 | ||
2739 | return 0; | |
2740 | } | |
2741 | ||
2742 | int RGWPutObjProcessor_Atomic::do_complete(size_t accounted_size, const string& etag, | |
2743 | real_time *mtime, real_time set_mtime, | |
2744 | map<string, bufferlist>& attrs, | |
2745 | real_time delete_at, | |
2746 | const char *if_match, | |
31f18b77 FG |
2747 | const char *if_nomatch, const string *user_data, |
2748 | rgw_zone_set *zones_trace) { | |
7c673cae FG |
2749 | int r = complete_writing_data(); |
2750 | if (r < 0) | |
2751 | return r; | |
2752 | ||
2753 | obj_ctx.obj.set_atomic(head_obj); | |
2754 | ||
2755 | RGWRados::Object op_target(store, bucket_info, obj_ctx, head_obj); | |
2756 | ||
2757 | /* some object types shouldn't be versioned, e.g., multipart parts */ | |
2758 | op_target.set_versioning_disabled(!versioned_object); | |
2759 | ||
2760 | RGWRados::Object::Write obj_op(&op_target); | |
2761 | ||
2762 | obj_op.meta.data = &first_chunk; | |
2763 | obj_op.meta.manifest = &manifest; | |
2764 | obj_op.meta.ptag = &unique_tag; /* use req_id as operation tag */ | |
2765 | obj_op.meta.if_match = if_match; | |
2766 | obj_op.meta.if_nomatch = if_nomatch; | |
2767 | obj_op.meta.mtime = mtime; | |
2768 | obj_op.meta.set_mtime = set_mtime; | |
2769 | obj_op.meta.owner = bucket_info.owner; | |
2770 | obj_op.meta.flags = PUT_OBJ_CREATE; | |
2771 | obj_op.meta.olh_epoch = olh_epoch; | |
2772 | obj_op.meta.delete_at = delete_at; | |
2773 | obj_op.meta.user_data = user_data; | |
31f18b77 | 2774 | obj_op.meta.zones_trace = zones_trace; |
7c673cae FG |
2775 | |
2776 | r = obj_op.write_meta(obj_len, accounted_size, attrs); | |
2777 | if (r < 0) { | |
2778 | return r; | |
2779 | } | |
2780 | ||
2781 | canceled = obj_op.meta.canceled; | |
2782 | ||
2783 | return 0; | |
2784 | } | |
2785 | ||
2786 | int RGWRados::watch(const string& oid, uint64_t *watch_handle, librados::WatchCtx2 *ctx) { | |
2787 | int r = control_pool_ctx.watch2(oid, watch_handle, ctx); | |
2788 | if (r < 0) | |
2789 | return r; | |
2790 | return 0; | |
2791 | } | |
2792 | ||
2793 | int RGWRados::unwatch(uint64_t watch_handle) | |
2794 | { | |
2795 | int r = control_pool_ctx.unwatch2(watch_handle); | |
2796 | if (r < 0) { | |
2797 | ldout(cct, 0) << "ERROR: rados->unwatch2() returned r=" << r << dendl; | |
2798 | return r; | |
2799 | } | |
2800 | r = rados[0].watch_flush(); | |
2801 | if (r < 0) { | |
2802 | ldout(cct, 0) << "ERROR: rados->watch_flush() returned r=" << r << dendl; | |
2803 | return r; | |
2804 | } | |
2805 | return 0; | |
2806 | } | |
2807 | ||
2808 | void RGWRados::add_watcher(int i) | |
2809 | { | |
2810 | ldout(cct, 20) << "add_watcher() i=" << i << dendl; | |
2811 | Mutex::Locker l(watchers_lock); | |
2812 | watchers_set.insert(i); | |
2813 | if (watchers_set.size() == (size_t)num_watchers) { | |
2814 | ldout(cct, 2) << "all " << num_watchers << " watchers are set, enabling cache" << dendl; | |
2815 | set_cache_enabled(true); | |
2816 | } | |
2817 | } | |
2818 | ||
2819 | void RGWRados::remove_watcher(int i) | |
2820 | { | |
2821 | ldout(cct, 20) << "remove_watcher() i=" << i << dendl; | |
2822 | Mutex::Locker l(watchers_lock); | |
2823 | size_t orig_size = watchers_set.size(); | |
2824 | watchers_set.erase(i); | |
2825 | if (orig_size == (size_t)num_watchers && | |
2826 | watchers_set.size() < orig_size) { /* actually removed */ | |
2827 | ldout(cct, 2) << "removed watcher, disabling cache" << dendl; | |
2828 | set_cache_enabled(false); | |
2829 | } | |
2830 | } | |
2831 | ||
2832 | class RGWWatcher : public librados::WatchCtx2 { | |
2833 | RGWRados *rados; | |
2834 | int index; | |
2835 | string oid; | |
2836 | uint64_t watch_handle; | |
2837 | ||
2838 | class C_ReinitWatch : public Context { | |
2839 | RGWWatcher *watcher; | |
2840 | public: | |
2841 | explicit C_ReinitWatch(RGWWatcher *_watcher) : watcher(_watcher) {} | |
2842 | void finish(int r) override { | |
2843 | watcher->reinit(); | |
2844 | } | |
2845 | }; | |
2846 | public: | |
2847 | RGWWatcher(RGWRados *r, int i, const string& o) : rados(r), index(i), oid(o), watch_handle(0) {} | |
2848 | void handle_notify(uint64_t notify_id, | |
2849 | uint64_t cookie, | |
2850 | uint64_t notifier_id, | |
2851 | bufferlist& bl) override { | |
2852 | ldout(rados->ctx(), 10) << "RGWWatcher::handle_notify() " | |
2853 | << " notify_id " << notify_id | |
2854 | << " cookie " << cookie | |
2855 | << " notifier " << notifier_id | |
2856 | << " bl.length()=" << bl.length() << dendl; | |
2857 | rados->watch_cb(notify_id, cookie, notifier_id, bl); | |
2858 | ||
2859 | bufferlist reply_bl; // empty reply payload | |
2860 | rados->control_pool_ctx.notify_ack(oid, notify_id, cookie, reply_bl); | |
2861 | } | |
2862 | void handle_error(uint64_t cookie, int err) override { | |
2863 | lderr(rados->ctx()) << "RGWWatcher::handle_error cookie " << cookie | |
2864 | << " err " << cpp_strerror(err) << dendl; | |
2865 | rados->remove_watcher(index); | |
2866 | rados->schedule_context(new C_ReinitWatch(this)); | |
2867 | } | |
2868 | ||
2869 | void reinit() { | |
2870 | int ret = unregister_watch(); | |
2871 | if (ret < 0) { | |
2872 | ldout(rados->ctx(), 0) << "ERROR: unregister_watch() returned ret=" << ret << dendl; | |
2873 | return; | |
2874 | } | |
2875 | ret = register_watch(); | |
2876 | if (ret < 0) { | |
2877 | ldout(rados->ctx(), 0) << "ERROR: register_watch() returned ret=" << ret << dendl; | |
2878 | return; | |
2879 | } | |
2880 | } | |
2881 | ||
2882 | int unregister_watch() { | |
2883 | int r = rados->unwatch(watch_handle); | |
2884 | if (r < 0) { | |
2885 | return r; | |
2886 | } | |
2887 | rados->remove_watcher(index); | |
2888 | return 0; | |
2889 | } | |
2890 | ||
2891 | int register_watch() { | |
2892 | int r = rados->watch(oid, &watch_handle, this); | |
2893 | if (r < 0) { | |
2894 | return r; | |
2895 | } | |
2896 | rados->add_watcher(index); | |
2897 | return 0; | |
2898 | } | |
2899 | }; | |
2900 | ||
2901 | class RGWMetaNotifierManager : public RGWCoroutinesManager { | |
2902 | RGWRados *store; | |
2903 | RGWHTTPManager http_manager; | |
2904 | ||
2905 | public: | |
2906 | RGWMetaNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2907 | http_manager(store->ctx(), completion_mgr) { | |
2908 | http_manager.set_threaded(); | |
2909 | } | |
2910 | ||
2911 | int notify_all(map<string, RGWRESTConn *>& conn_map, set<int>& shards) { | |
2912 | rgw_http_param_pair pairs[] = { { "type", "metadata" }, | |
2913 | { "notify", NULL }, | |
2914 | { NULL, NULL } }; | |
2915 | ||
2916 | list<RGWCoroutinesStack *> stacks; | |
2917 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2918 | RGWRESTConn *conn = iter->second; | |
2919 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2920 | stack->call(new RGWPostRESTResourceCR<set<int>, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2921 | ||
2922 | stacks.push_back(stack); | |
2923 | } | |
2924 | return run(stacks); | |
2925 | } | |
2926 | }; | |
2927 | ||
2928 | class RGWDataNotifierManager : public RGWCoroutinesManager { | |
2929 | RGWRados *store; | |
2930 | RGWHTTPManager http_manager; | |
2931 | ||
2932 | public: | |
2933 | RGWDataNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2934 | http_manager(store->ctx(), completion_mgr) { | |
2935 | http_manager.set_threaded(); | |
2936 | } | |
2937 | ||
2938 | int notify_all(map<string, RGWRESTConn *>& conn_map, map<int, set<string> >& shards) { | |
2939 | rgw_http_param_pair pairs[] = { { "type", "data" }, | |
2940 | { "notify", NULL }, | |
2941 | { "source-zone", store->get_zone_params().get_id().c_str() }, | |
2942 | { NULL, NULL } }; | |
2943 | ||
2944 | list<RGWCoroutinesStack *> stacks; | |
2945 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2946 | RGWRESTConn *conn = iter->second; | |
2947 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2948 | stack->call(new RGWPostRESTResourceCR<map<int, set<string> >, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2949 | ||
2950 | stacks.push_back(stack); | |
2951 | } | |
2952 | return run(stacks); | |
2953 | } | |
2954 | }; | |
2955 | ||
2956 | class RGWRadosThread { | |
2957 | class Worker : public Thread { | |
2958 | CephContext *cct; | |
2959 | RGWRadosThread *processor; | |
2960 | Mutex lock; | |
2961 | Cond cond; | |
2962 | ||
31f18b77 FG |
2963 | void wait() { |
2964 | Mutex::Locker l(lock); | |
2965 | cond.Wait(lock); | |
2966 | }; | |
2967 | ||
2968 | void wait_interval(const utime_t& wait_time) { | |
2969 | Mutex::Locker l(lock); | |
2970 | cond.WaitInterval(lock, wait_time); | |
2971 | } | |
2972 | ||
7c673cae FG |
2973 | public: |
2974 | Worker(CephContext *_cct, RGWRadosThread *_p) : cct(_cct), processor(_p), lock("RGWRadosThread::Worker") {} | |
2975 | void *entry() override; | |
31f18b77 | 2976 | void signal() { |
7c673cae FG |
2977 | Mutex::Locker l(lock); |
2978 | cond.Signal(); | |
2979 | } | |
2980 | }; | |
2981 | ||
2982 | Worker *worker; | |
2983 | ||
2984 | protected: | |
2985 | CephContext *cct; | |
2986 | RGWRados *store; | |
2987 | ||
2988 | std::atomic<bool> down_flag = { false }; | |
2989 | ||
2990 | string thread_name; | |
2991 | ||
2992 | virtual uint64_t interval_msec() = 0; | |
2993 | virtual void stop_process() {} | |
2994 | public: | |
2995 | RGWRadosThread(RGWRados *_store, const string& thread_name = "radosgw") | |
2996 | : worker(NULL), cct(_store->ctx()), store(_store), thread_name(thread_name) {} | |
2997 | virtual ~RGWRadosThread() { | |
2998 | stop(); | |
2999 | } | |
3000 | ||
3001 | virtual int init() { return 0; } | |
3002 | virtual int process() = 0; | |
3003 | ||
3004 | bool going_down() { return down_flag; } | |
3005 | ||
3006 | void start(); | |
3007 | void stop(); | |
31f18b77 FG |
3008 | |
3009 | void signal() { | |
3010 | if (worker) { | |
3011 | worker->signal(); | |
3012 | } | |
3013 | } | |
7c673cae FG |
3014 | }; |
3015 | ||
3016 | void RGWRadosThread::start() | |
3017 | { | |
3018 | worker = new Worker(cct, this); | |
3019 | worker->create(thread_name.c_str()); | |
3020 | } | |
3021 | ||
3022 | void RGWRadosThread::stop() | |
3023 | { | |
3024 | down_flag = true; | |
3025 | stop_process(); | |
3026 | if (worker) { | |
31f18b77 | 3027 | worker->signal(); |
7c673cae FG |
3028 | worker->join(); |
3029 | } | |
3030 | delete worker; | |
3031 | worker = NULL; | |
3032 | } | |
3033 | ||
3034 | void *RGWRadosThread::Worker::entry() { | |
3035 | uint64_t msec = processor->interval_msec(); | |
3036 | utime_t interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3037 | ||
3038 | do { | |
3039 | utime_t start = ceph_clock_now(); | |
3040 | int r = processor->process(); | |
3041 | if (r < 0) { | |
3042 | dout(0) << "ERROR: processor->process() returned error r=" << r << dendl; | |
3043 | } | |
3044 | ||
3045 | if (processor->going_down()) | |
3046 | break; | |
3047 | ||
3048 | utime_t end = ceph_clock_now(); | |
3049 | end -= start; | |
3050 | ||
3051 | uint64_t cur_msec = processor->interval_msec(); | |
3052 | if (cur_msec != msec) { /* was it reconfigured? */ | |
3053 | msec = cur_msec; | |
3054 | interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3055 | } | |
3056 | ||
3057 | if (cur_msec > 0) { | |
3058 | if (interval <= end) | |
3059 | continue; // next round | |
3060 | ||
3061 | utime_t wait_time = interval; | |
3062 | wait_time -= end; | |
3063 | ||
31f18b77 | 3064 | wait_interval(wait_time); |
7c673cae | 3065 | } else { |
31f18b77 | 3066 | wait(); |
7c673cae FG |
3067 | } |
3068 | } while (!processor->going_down()); | |
3069 | ||
3070 | return NULL; | |
3071 | } | |
3072 | ||
3073 | class RGWMetaNotifier : public RGWRadosThread { | |
3074 | RGWMetaNotifierManager notify_mgr; | |
3075 | RGWMetadataLog *const log; | |
3076 | ||
3077 | uint64_t interval_msec() override { | |
3078 | return cct->_conf->rgw_md_notify_interval_msec; | |
3079 | } | |
3080 | public: | |
3081 | RGWMetaNotifier(RGWRados *_store, RGWMetadataLog* log) | |
3082 | : RGWRadosThread(_store, "meta-notifier"), notify_mgr(_store), log(log) {} | |
3083 | ||
3084 | int process() override; | |
3085 | }; | |
3086 | ||
3087 | int RGWMetaNotifier::process() | |
3088 | { | |
3089 | set<int> shards; | |
3090 | ||
3091 | log->read_clear_modified(shards); | |
3092 | ||
3093 | if (shards.empty()) { | |
3094 | return 0; | |
3095 | } | |
3096 | ||
3097 | for (set<int>::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3098 | ldout(cct, 20) << __func__ << "(): notifying mdlog change, shard_id=" << *iter << dendl; | |
3099 | } | |
3100 | ||
3101 | notify_mgr.notify_all(store->zone_conn_map, shards); | |
3102 | ||
3103 | return 0; | |
3104 | } | |
3105 | ||
3106 | class RGWDataNotifier : public RGWRadosThread { | |
3107 | RGWDataNotifierManager notify_mgr; | |
3108 | ||
3109 | uint64_t interval_msec() override { | |
3110 | return cct->_conf->rgw_md_notify_interval_msec; | |
3111 | } | |
3112 | public: | |
3113 | RGWDataNotifier(RGWRados *_store) : RGWRadosThread(_store, "data-notifier"), notify_mgr(_store) {} | |
3114 | ||
3115 | int process() override; | |
3116 | }; | |
3117 | ||
3118 | int RGWDataNotifier::process() | |
3119 | { | |
3120 | if (!store->data_log) { | |
3121 | return 0; | |
3122 | } | |
3123 | ||
3124 | map<int, set<string> > shards; | |
3125 | ||
3126 | store->data_log->read_clear_modified(shards); | |
3127 | ||
3128 | if (shards.empty()) { | |
3129 | return 0; | |
3130 | } | |
3131 | ||
3132 | for (map<int, set<string> >::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3133 | ldout(cct, 20) << __func__ << "(): notifying datalog change, shard_id=" << iter->first << ": " << iter->second << dendl; | |
3134 | } | |
3135 | ||
3136 | notify_mgr.notify_all(store->zone_data_notify_to_map, shards); | |
3137 | ||
3138 | return 0; | |
3139 | } | |
3140 | ||
3141 | class RGWSyncProcessorThread : public RGWRadosThread { | |
3142 | public: | |
3143 | RGWSyncProcessorThread(RGWRados *_store, const string& thread_name = "radosgw") : RGWRadosThread(_store, thread_name) {} | |
3144 | RGWSyncProcessorThread(RGWRados *_store) : RGWRadosThread(_store) {} | |
3145 | ~RGWSyncProcessorThread() override {} | |
3146 | int init() override = 0 ; | |
3147 | int process() override = 0; | |
3148 | }; | |
3149 | ||
3150 | class RGWMetaSyncProcessorThread : public RGWSyncProcessorThread | |
3151 | { | |
3152 | RGWMetaSyncStatusManager sync; | |
3153 | ||
3154 | uint64_t interval_msec() override { | |
3155 | return 0; /* no interval associated, it'll run once until stopped */ | |
3156 | } | |
3157 | void stop_process() override { | |
3158 | sync.stop(); | |
3159 | } | |
3160 | public: | |
3161 | RGWMetaSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados) | |
3162 | : RGWSyncProcessorThread(_store, "meta-sync"), sync(_store, async_rados) {} | |
3163 | ||
3164 | void wakeup_sync_shards(set<int>& shard_ids) { | |
3165 | for (set<int>::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3166 | sync.wakeup(*iter); | |
3167 | } | |
3168 | } | |
3169 | RGWMetaSyncStatusManager* get_manager() { return &sync; } | |
3170 | ||
3171 | int init() override { | |
3172 | int ret = sync.init(); | |
3173 | if (ret < 0) { | |
3174 | ldout(store->ctx(), 0) << "ERROR: sync.init() returned " << ret << dendl; | |
3175 | return ret; | |
3176 | } | |
3177 | return 0; | |
3178 | } | |
3179 | ||
3180 | int process() override { | |
3181 | sync.run(); | |
3182 | return 0; | |
3183 | } | |
3184 | }; | |
3185 | ||
3186 | class RGWDataSyncProcessorThread : public RGWSyncProcessorThread | |
3187 | { | |
3188 | RGWDataSyncStatusManager sync; | |
3189 | bool initialized; | |
3190 | ||
3191 | uint64_t interval_msec() override { | |
3192 | if (initialized) { | |
3193 | return 0; /* no interval associated, it'll run once until stopped */ | |
3194 | } else { | |
3195 | #define DATA_SYNC_INIT_WAIT_SEC 20 | |
3196 | return DATA_SYNC_INIT_WAIT_SEC * 1000; | |
3197 | } | |
3198 | } | |
3199 | void stop_process() override { | |
3200 | sync.stop(); | |
3201 | } | |
3202 | public: | |
3203 | RGWDataSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados, | |
3204 | const string& _source_zone) | |
3205 | : RGWSyncProcessorThread(_store, "data-sync"), sync(_store, async_rados, _source_zone), | |
3206 | initialized(false) {} | |
3207 | ||
3208 | void wakeup_sync_shards(map<int, set<string> >& shard_ids) { | |
3209 | for (map<int, set<string> >::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3210 | sync.wakeup(iter->first, iter->second); | |
3211 | } | |
3212 | } | |
3213 | RGWDataSyncStatusManager* get_manager() { return &sync; } | |
3214 | ||
3215 | int init() override { | |
3216 | return 0; | |
3217 | } | |
3218 | ||
3219 | int process() override { | |
3220 | while (!initialized) { | |
3221 | if (going_down()) { | |
3222 | return 0; | |
3223 | } | |
3224 | int ret = sync.init(); | |
3225 | if (ret >= 0) { | |
3226 | initialized = true; | |
3227 | break; | |
3228 | } | |
3229 | /* we'll be back! */ | |
3230 | return 0; | |
3231 | } | |
3232 | sync.run(); | |
3233 | return 0; | |
3234 | } | |
3235 | }; | |
3236 | ||
3237 | class RGWSyncLogTrimThread : public RGWSyncProcessorThread | |
3238 | { | |
3239 | RGWCoroutinesManager crs; | |
3240 | RGWRados *store; | |
3241 | RGWHTTPManager http; | |
3242 | const utime_t trim_interval; | |
3243 | ||
3244 | uint64_t interval_msec() override { return 0; } | |
3245 | void stop_process() override { crs.stop(); } | |
3246 | public: | |
3247 | RGWSyncLogTrimThread(RGWRados *store, int interval) | |
3248 | : RGWSyncProcessorThread(store, "sync-log-trim"), | |
3249 | crs(store->ctx(), store->get_cr_registry()), store(store), | |
3250 | http(store->ctx(), crs.get_completion_mgr()), | |
3251 | trim_interval(interval, 0) | |
3252 | {} | |
3253 | ||
3254 | int init() override { | |
3255 | return http.set_threaded(); | |
3256 | } | |
3257 | int process() override { | |
3258 | list<RGWCoroutinesStack*> stacks; | |
3259 | auto meta = new RGWCoroutinesStack(store->ctx(), &crs); | |
3260 | meta->call(create_meta_log_trim_cr(store, &http, | |
3261 | cct->_conf->rgw_md_log_max_shards, | |
3262 | trim_interval)); | |
3263 | stacks.push_back(meta); | |
3264 | ||
3265 | auto data = new RGWCoroutinesStack(store->ctx(), &crs); | |
3266 | data->call(create_data_log_trim_cr(store, &http, | |
3267 | cct->_conf->rgw_data_log_num_shards, | |
3268 | trim_interval)); | |
3269 | stacks.push_back(data); | |
3270 | ||
3271 | crs.run(stacks); | |
3272 | return 0; | |
3273 | } | |
3274 | }; | |
3275 | ||
3276 | void RGWRados::wakeup_meta_sync_shards(set<int>& shard_ids) | |
3277 | { | |
3278 | Mutex::Locker l(meta_sync_thread_lock); | |
3279 | if (meta_sync_processor_thread) { | |
3280 | meta_sync_processor_thread->wakeup_sync_shards(shard_ids); | |
3281 | } | |
3282 | } | |
3283 | ||
3284 | void RGWRados::wakeup_data_sync_shards(const string& source_zone, map<int, set<string> >& shard_ids) | |
3285 | { | |
3286 | ldout(ctx(), 20) << __func__ << ": source_zone=" << source_zone << ", shard_ids=" << shard_ids << dendl; | |
3287 | Mutex::Locker l(data_sync_thread_lock); | |
3288 | map<string, RGWDataSyncProcessorThread *>::iterator iter = data_sync_processor_threads.find(source_zone); | |
3289 | if (iter == data_sync_processor_threads.end()) { | |
3290 | ldout(ctx(), 10) << __func__ << ": couldn't find sync thread for zone " << source_zone << ", skipping async data sync processing" << dendl; | |
3291 | return; | |
3292 | } | |
3293 | ||
3294 | RGWDataSyncProcessorThread *thread = iter->second; | |
3295 | assert(thread); | |
3296 | thread->wakeup_sync_shards(shard_ids); | |
3297 | } | |
3298 | ||
3299 | RGWMetaSyncStatusManager* RGWRados::get_meta_sync_manager() | |
3300 | { | |
3301 | Mutex::Locker l(meta_sync_thread_lock); | |
3302 | if (meta_sync_processor_thread) { | |
3303 | return meta_sync_processor_thread->get_manager(); | |
3304 | } | |
3305 | return nullptr; | |
3306 | } | |
3307 | ||
3308 | RGWDataSyncStatusManager* RGWRados::get_data_sync_manager(const std::string& source_zone) | |
3309 | { | |
3310 | Mutex::Locker l(data_sync_thread_lock); | |
3311 | auto thread = data_sync_processor_threads.find(source_zone); | |
3312 | if (thread == data_sync_processor_threads.end()) { | |
3313 | return nullptr; | |
3314 | } | |
3315 | return thread->second->get_manager(); | |
3316 | } | |
3317 | ||
3318 | int RGWRados::get_required_alignment(const rgw_pool& pool, uint64_t *alignment) | |
3319 | { | |
3320 | IoCtx ioctx; | |
3321 | int r = open_pool_ctx(pool, ioctx); | |
3322 | if (r < 0) { | |
3323 | ldout(cct, 0) << "ERROR: open_pool_ctx() returned " << r << dendl; | |
3324 | return r; | |
3325 | } | |
3326 | ||
3327 | bool requires; | |
3328 | r = ioctx.pool_requires_alignment2(&requires); | |
3329 | if (r < 0) { | |
3330 | ldout(cct, 0) << "ERROR: ioctx.pool_requires_alignment2() returned " | |
3331 | << r << dendl; | |
3332 | return r; | |
3333 | } | |
3334 | ||
3335 | if (!requires) { | |
3336 | *alignment = 0; | |
3337 | return 0; | |
3338 | } | |
3339 | ||
3340 | uint64_t align; | |
3341 | r = ioctx.pool_required_alignment2(&align); | |
3342 | if (r < 0) { | |
3343 | ldout(cct, 0) << "ERROR: ioctx.pool_required_alignment2() returned " | |
3344 | << r << dendl; | |
3345 | return r; | |
3346 | } | |
3347 | if (align != 0) { | |
3348 | ldout(cct, 20) << "required alignment=" << align << dendl; | |
3349 | } | |
3350 | *alignment = align; | |
3351 | return 0; | |
3352 | } | |
3353 | ||
3354 | int RGWRados::get_max_chunk_size(const rgw_pool& pool, uint64_t *max_chunk_size) | |
3355 | { | |
224ce89b | 3356 | uint64_t alignment = 0; |
7c673cae FG |
3357 | int r = get_required_alignment(pool, &alignment); |
3358 | if (r < 0) { | |
3359 | return r; | |
3360 | } | |
3361 | ||
3362 | uint64_t config_chunk_size = cct->_conf->rgw_max_chunk_size; | |
3363 | ||
3364 | if (alignment == 0) { | |
3365 | *max_chunk_size = config_chunk_size; | |
3366 | return 0; | |
3367 | } | |
3368 | ||
3369 | if (config_chunk_size <= alignment) { | |
3370 | *max_chunk_size = alignment; | |
3371 | return 0; | |
3372 | } | |
3373 | ||
3374 | *max_chunk_size = config_chunk_size - (config_chunk_size % alignment); | |
3375 | ||
3376 | ldout(cct, 20) << "max_chunk_size=" << *max_chunk_size << dendl; | |
3377 | ||
3378 | return 0; | |
3379 | } | |
3380 | ||
3381 | int RGWRados::get_max_chunk_size(const string& placement_rule, const rgw_obj& obj, uint64_t *max_chunk_size) | |
3382 | { | |
3383 | rgw_pool pool; | |
3384 | if (!get_obj_data_pool(placement_rule, obj, &pool)) { | |
3385 | ldout(cct, 0) << "ERROR: failed to get data pool for object " << obj << dendl; | |
3386 | return -EIO; | |
3387 | } | |
3388 | return get_max_chunk_size(pool, max_chunk_size); | |
3389 | } | |
3390 | ||
31f18b77 FG |
3391 | class RGWIndexCompletionManager; |
3392 | ||
3393 | struct complete_op_data { | |
3394 | Mutex lock{"complete_op_data"}; | |
3395 | AioCompletion *rados_completion{nullptr}; | |
3396 | int manager_shard_id{-1}; | |
3397 | RGWIndexCompletionManager *manager{nullptr}; | |
3398 | rgw_obj obj; | |
3399 | RGWModifyOp op; | |
3400 | string tag; | |
3401 | rgw_bucket_entry_ver ver; | |
3402 | cls_rgw_obj_key key; | |
3403 | rgw_bucket_dir_entry_meta dir_meta; | |
3404 | list<cls_rgw_obj_key> remove_objs; | |
3405 | bool log_op; | |
3406 | uint16_t bilog_op; | |
3407 | rgw_zone_set zones_trace; | |
3408 | ||
3409 | bool stopped{false}; | |
3410 | ||
3411 | void stop() { | |
3412 | Mutex::Locker l(lock); | |
3413 | stopped = true; | |
3414 | } | |
3415 | }; | |
3416 | ||
3417 | class RGWIndexCompletionThread : public RGWRadosThread { | |
3418 | RGWRados *store; | |
3419 | ||
3420 | uint64_t interval_msec() override { | |
3421 | return 0; | |
3422 | } | |
3423 | ||
3424 | list<complete_op_data *> completions; | |
3425 | ||
3426 | Mutex completions_lock; | |
3427 | public: | |
3428 | RGWIndexCompletionThread(RGWRados *_store) | |
3429 | : RGWRadosThread(_store, "index-complete"), store(_store), completions_lock("RGWIndexCompletionThread::completions_lock") {} | |
3430 | ||
3431 | int process() override; | |
3432 | ||
3433 | void add_completion(complete_op_data *completion) { | |
3434 | { | |
3435 | Mutex::Locker l(completions_lock); | |
3436 | completions.push_back(completion); | |
3437 | } | |
3438 | ||
3439 | signal(); | |
3440 | } | |
3441 | }; | |
3442 | ||
3443 | int RGWIndexCompletionThread::process() | |
3444 | { | |
3445 | list<complete_op_data *> comps; | |
3446 | ||
3447 | { | |
3448 | Mutex::Locker l(completions_lock); | |
3449 | completions.swap(comps); | |
3450 | } | |
3451 | ||
3452 | for (auto c : comps) { | |
3453 | std::unique_ptr<complete_op_data> up{c}; | |
3454 | ||
3455 | if (going_down()) { | |
3456 | continue; | |
3457 | } | |
3458 | ldout(store->ctx(), 20) << __func__ << "(): handling completion for key=" << c->key << dendl; | |
3459 | ||
3460 | RGWRados::BucketShard bs(store); | |
3461 | ||
3462 | int r = bs.init(c->obj.bucket, c->obj); | |
3463 | if (r < 0) { | |
3464 | ldout(cct, 0) << "ERROR: " << __func__ << "(): failed to initialize BucketShard, obj=" << c->obj << " r=" << r << dendl; | |
3465 | /* not much to do */ | |
3466 | continue; | |
3467 | } | |
3468 | ||
3469 | r = store->guard_reshard(&bs, c->obj, [&](RGWRados::BucketShard *bs) -> int { | |
3470 | librados::ObjectWriteOperation o; | |
3471 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); | |
3472 | cls_rgw_bucket_complete_op(o, c->op, c->tag, c->ver, c->key, c->dir_meta, &c->remove_objs, | |
3473 | c->log_op, c->bilog_op, &c->zones_trace); | |
3474 | ||
3475 | return bs->index_ctx.operate(bs->bucket_obj, &o); | |
3476 | }); | |
3477 | if (r < 0) { | |
3478 | ldout(cct, 0) << "ERROR: " << __func__ << "(): bucket index completion failed, obj=" << c->obj << " r=" << r << dendl; | |
3479 | /* ignoring error, can't do anything about it */ | |
3480 | continue; | |
3481 | } | |
3482 | r = store->data_log->add_entry(bs.bucket, bs.shard_id); | |
3483 | if (r < 0) { | |
3484 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
3485 | } | |
3486 | } | |
3487 | ||
3488 | return 0; | |
3489 | } | |
3490 | ||
3491 | class RGWIndexCompletionManager { | |
3492 | RGWRados *store{nullptr}; | |
3493 | vector<Mutex *> locks; | |
3494 | vector<set<complete_op_data *> > completions; | |
3495 | ||
3496 | RGWIndexCompletionThread *completion_thread{nullptr}; | |
3497 | ||
3498 | int num_shards; | |
3499 | ||
3500 | std::atomic<int> cur_shard {0}; | |
3501 | ||
3502 | ||
3503 | public: | |
3504 | RGWIndexCompletionManager(RGWRados *_store) : store(_store) { | |
3505 | num_shards = store->ctx()->_conf->rgw_thread_pool_size; | |
3506 | ||
3507 | for (int i = 0; i < num_shards; i++) { | |
3508 | char buf[64]; | |
3509 | snprintf(buf, sizeof(buf), "RGWIndexCompletionManager::lock::%d", i); | |
3510 | locks.push_back(new Mutex(buf)); | |
3511 | } | |
3512 | ||
3513 | completions.resize(num_shards); | |
3514 | } | |
3515 | ~RGWIndexCompletionManager() { | |
3516 | stop(); | |
3517 | ||
3518 | for (auto l : locks) { | |
3519 | delete l; | |
3520 | } | |
3521 | } | |
3522 | ||
3523 | int next_shard() { | |
3524 | int result = cur_shard % num_shards; | |
3525 | cur_shard++; | |
3526 | return result; | |
3527 | } | |
3528 | ||
3529 | void create_completion(const rgw_obj& obj, | |
3530 | RGWModifyOp op, string& tag, | |
3531 | rgw_bucket_entry_ver& ver, | |
3532 | const cls_rgw_obj_key& key, | |
3533 | rgw_bucket_dir_entry_meta& dir_meta, | |
3534 | list<cls_rgw_obj_key> *remove_objs, bool log_op, | |
3535 | uint16_t bilog_op, | |
3536 | rgw_zone_set *zones_trace, | |
3537 | complete_op_data **result); | |
3538 | bool handle_completion(completion_t cb, complete_op_data *arg); | |
3539 | ||
3540 | int start() { | |
3541 | completion_thread = new RGWIndexCompletionThread(store); | |
3542 | int ret = completion_thread->init(); | |
3543 | if (ret < 0) { | |
3544 | return ret; | |
3545 | } | |
3546 | completion_thread->start(); | |
3547 | return 0; | |
3548 | } | |
3549 | void stop() { | |
3550 | if (completion_thread) { | |
3551 | completion_thread->stop(); | |
3552 | delete completion_thread; | |
3553 | } | |
3554 | ||
3555 | for (int i = 0; i < num_shards; ++i) { | |
3556 | Mutex::Locker l(*locks[i]); | |
3557 | for (auto c : completions[i]) { | |
3558 | Mutex::Locker cl(c->lock); | |
3559 | c->stop(); | |
3560 | } | |
3561 | } | |
3562 | completions.clear(); | |
3563 | } | |
3564 | }; | |
3565 | ||
3566 | static void obj_complete_cb(completion_t cb, void *arg) | |
3567 | { | |
3568 | complete_op_data *completion = (complete_op_data *)arg; | |
3569 | completion->lock.Lock(); | |
3570 | if (completion->stopped) { | |
3571 | completion->lock.Unlock(); /* can drop lock, no one else is referencing us */ | |
3572 | delete completion; | |
3573 | return; | |
3574 | } | |
3575 | bool need_delete = completion->manager->handle_completion(cb, completion); | |
3576 | completion->lock.Unlock(); | |
3577 | if (need_delete) { | |
3578 | delete completion; | |
3579 | } | |
3580 | } | |
3581 | ||
3582 | ||
3583 | void RGWIndexCompletionManager::create_completion(const rgw_obj& obj, | |
3584 | RGWModifyOp op, string& tag, | |
3585 | rgw_bucket_entry_ver& ver, | |
3586 | const cls_rgw_obj_key& key, | |
3587 | rgw_bucket_dir_entry_meta& dir_meta, | |
3588 | list<cls_rgw_obj_key> *remove_objs, bool log_op, | |
3589 | uint16_t bilog_op, | |
3590 | rgw_zone_set *zones_trace, | |
3591 | complete_op_data **result) | |
3592 | { | |
3593 | complete_op_data *entry = new complete_op_data; | |
3594 | ||
3595 | int shard_id = next_shard(); | |
3596 | ||
3597 | entry->manager_shard_id = shard_id; | |
3598 | entry->manager = this; | |
3599 | entry->obj = obj; | |
3600 | entry->op = op; | |
3601 | entry->tag = tag; | |
3602 | entry->ver = ver; | |
3603 | entry->key = key; | |
3604 | entry->dir_meta = dir_meta; | |
3605 | entry->log_op = log_op; | |
3606 | entry->bilog_op = bilog_op; | |
3607 | ||
3608 | if (remove_objs) { | |
3609 | for (auto iter = remove_objs->begin(); iter != remove_objs->end(); ++iter) { | |
3610 | entry->remove_objs.push_back(*iter); | |
3611 | } | |
3612 | } | |
3613 | ||
3614 | if (zones_trace) { | |
3615 | entry->zones_trace = *zones_trace; | |
3616 | } else { | |
3617 | entry->zones_trace.insert(store->get_zone().id); | |
3618 | } | |
3619 | ||
3620 | *result = entry; | |
3621 | ||
3622 | entry->rados_completion = librados::Rados::aio_create_completion(entry, NULL, obj_complete_cb); | |
3623 | ||
3624 | Mutex::Locker l(*locks[shard_id]); | |
3625 | completions[shard_id].insert(entry); | |
3626 | } | |
3627 | ||
3628 | bool RGWIndexCompletionManager::handle_completion(completion_t cb, complete_op_data *arg) | |
3629 | { | |
3630 | int shard_id = arg->manager_shard_id; | |
3631 | { | |
3632 | Mutex::Locker l(*locks[shard_id]); | |
3633 | ||
3634 | auto& comps = completions[shard_id]; | |
3635 | ||
3636 | auto iter = comps.find(arg); | |
3637 | if (iter == comps.end()) { | |
3638 | return true; | |
3639 | } | |
3640 | ||
3641 | comps.erase(iter); | |
3642 | } | |
3643 | ||
3644 | int r = rados_aio_get_return_value(cb); | |
3645 | if (r != -ERR_BUSY_RESHARDING) { | |
3646 | return true; | |
3647 | } | |
3648 | completion_thread->add_completion(arg); | |
3649 | return false; | |
3650 | } | |
3651 | ||
7c673cae FG |
3652 | void RGWRados::finalize() |
3653 | { | |
3654 | if (run_sync_thread) { | |
3655 | Mutex::Locker l(meta_sync_thread_lock); | |
3656 | meta_sync_processor_thread->stop(); | |
3657 | ||
3658 | Mutex::Locker dl(data_sync_thread_lock); | |
3659 | for (auto iter : data_sync_processor_threads) { | |
3660 | RGWDataSyncProcessorThread *thread = iter.second; | |
3661 | thread->stop(); | |
3662 | } | |
3663 | if (sync_log_trimmer) { | |
3664 | sync_log_trimmer->stop(); | |
3665 | } | |
3666 | } | |
3667 | if (async_rados) { | |
3668 | async_rados->stop(); | |
3669 | } | |
3670 | if (run_sync_thread) { | |
3671 | delete meta_sync_processor_thread; | |
3672 | meta_sync_processor_thread = NULL; | |
3673 | Mutex::Locker dl(data_sync_thread_lock); | |
3674 | for (auto iter : data_sync_processor_threads) { | |
3675 | RGWDataSyncProcessorThread *thread = iter.second; | |
3676 | delete thread; | |
3677 | } | |
3678 | data_sync_processor_threads.clear(); | |
3679 | delete sync_log_trimmer; | |
3680 | sync_log_trimmer = nullptr; | |
3681 | } | |
3682 | if (finisher) { | |
3683 | finisher->stop(); | |
3684 | } | |
3685 | if (need_watch_notify()) { | |
3686 | finalize_watch(); | |
3687 | } | |
3688 | if (finisher) { | |
3689 | /* delete finisher only after cleaning up watches, as watch error path might call | |
3690 | * into finisher. We stop finisher before finalizing watch to make sure we don't | |
3691 | * actually handle any racing work | |
3692 | */ | |
3693 | delete finisher; | |
3694 | } | |
3695 | if (meta_notifier) { | |
3696 | meta_notifier->stop(); | |
3697 | delete meta_notifier; | |
3698 | } | |
3699 | if (data_notifier) { | |
3700 | data_notifier->stop(); | |
3701 | delete data_notifier; | |
3702 | } | |
3703 | delete data_log; | |
3704 | if (async_rados) { | |
3705 | delete async_rados; | |
3706 | } | |
224ce89b | 3707 | |
7c673cae FG |
3708 | delete gc; |
3709 | gc = NULL; | |
3710 | ||
7c673cae FG |
3711 | delete obj_expirer; |
3712 | obj_expirer = NULL; | |
224ce89b WB |
3713 | |
3714 | delete lc; | |
3715 | lc = NULL; | |
7c673cae FG |
3716 | |
3717 | delete rest_master_conn; | |
3718 | ||
3719 | map<string, RGWRESTConn *>::iterator iter; | |
3720 | for (iter = zone_conn_map.begin(); iter != zone_conn_map.end(); ++iter) { | |
3721 | RGWRESTConn *conn = iter->second; | |
3722 | delete conn; | |
3723 | } | |
3724 | ||
3725 | for (iter = zonegroup_conn_map.begin(); iter != zonegroup_conn_map.end(); ++iter) { | |
3726 | RGWRESTConn *conn = iter->second; | |
3727 | delete conn; | |
3728 | } | |
3729 | RGWQuotaHandler::free_handler(quota_handler); | |
3730 | if (cr_registry) { | |
3731 | cr_registry->put(); | |
3732 | } | |
3733 | delete meta_mgr; | |
3734 | delete binfo_cache; | |
3735 | delete obj_tombstone_cache; | |
3736 | delete sync_modules_manager; | |
31f18b77 FG |
3737 | |
3738 | if (reshard_wait.get()) { | |
3739 | reshard_wait->stop(); | |
3740 | reshard_wait.reset(); | |
3741 | } | |
3742 | ||
3743 | if (run_reshard_thread) { | |
3744 | reshard->stop_processor(); | |
3745 | } | |
3746 | delete reshard; | |
3747 | delete index_completion_manager; | |
7c673cae FG |
3748 | } |
3749 | ||
3750 | /** | |
3751 | * Initialize the RADOS instance and prepare to do other ops | |
3752 | * Returns 0 on success, -ERR# on failure. | |
3753 | */ | |
3754 | int RGWRados::init_rados() | |
3755 | { | |
3756 | int ret = 0; | |
3757 | auto handles = std::vector<librados::Rados>{cct->_conf->rgw_num_rados_handles}; | |
3758 | ||
3759 | for (auto& r : handles) { | |
3760 | ret = r.init_with_context(cct); | |
3761 | if (ret < 0) { | |
3762 | return ret; | |
3763 | } | |
7c673cae FG |
3764 | ret = r.connect(); |
3765 | if (ret < 0) { | |
3766 | return ret; | |
3767 | } | |
3768 | } | |
3769 | ||
3770 | sync_modules_manager = new RGWSyncModulesManager(); | |
3771 | ||
3772 | rgw_register_sync_modules(sync_modules_manager); | |
3773 | ||
3774 | auto crs = std::unique_ptr<RGWCoroutinesManagerRegistry>{ | |
3775 | new RGWCoroutinesManagerRegistry(cct)}; | |
3776 | ret = crs->hook_to_admin_command("cr dump"); | |
3777 | if (ret < 0) { | |
3778 | return ret; | |
3779 | } | |
3780 | ||
3781 | meta_mgr = new RGWMetadataManager(cct, this); | |
3782 | data_log = new RGWDataChangesLog(cct, this); | |
3783 | cr_registry = crs.release(); | |
3784 | ||
3785 | std::swap(handles, rados); | |
3786 | return ret; | |
3787 | } | |
3788 | ||
224ce89b WB |
3789 | |
3790 | int RGWRados::register_to_service_map(const string& daemon_type, const map<string, string>& meta) | |
3791 | { | |
3792 | map<string,string> metadata = meta; | |
3793 | metadata["num_handles"] = stringify(rados.size()); | |
3794 | metadata["zonegroup_id"] = zonegroup.get_id(); | |
3795 | metadata["zonegroup_name"] = zonegroup.get_name(); | |
3796 | metadata["zone_name"] = zone_name(); | |
3797 | metadata["zone_id"] = zone_id();; | |
3798 | string name = cct->_conf->name.get_id(); | |
3799 | if (name.find("rgw.") == 0) { | |
3800 | name = name.substr(4); | |
3801 | } | |
3802 | int ret = rados[0].service_daemon_register(daemon_type, name, metadata); | |
3803 | if (ret < 0) { | |
3804 | ldout(cct, 0) << "ERROR: service_daemon_register() returned ret=" << ret << ": " << cpp_strerror(-ret) << dendl; | |
3805 | return ret; | |
3806 | } | |
3807 | ||
3808 | return 0; | |
3809 | } | |
3810 | ||
7c673cae FG |
3811 | /** |
3812 | * Add new connection to connections map | |
3813 | * @param zonegroup_conn_map map which new connection will be added to | |
3814 | * @param zonegroup zonegroup which new connection will connect to | |
3815 | * @param new_connection pointer to new connection instance | |
3816 | */ | |
3817 | static void add_new_connection_to_map(map<string, RGWRESTConn *> &zonegroup_conn_map, | |
3818 | const RGWZoneGroup &zonegroup, RGWRESTConn *new_connection) | |
3819 | { | |
3820 | // Delete if connection is already exists | |
3821 | map<string, RGWRESTConn *>::iterator iterZoneGroup = zonegroup_conn_map.find(zonegroup.get_id()); | |
3822 | if (iterZoneGroup != zonegroup_conn_map.end()) { | |
3823 | delete iterZoneGroup->second; | |
3824 | } | |
3825 | ||
3826 | // Add new connection to connections map | |
3827 | zonegroup_conn_map[zonegroup.get_id()] = new_connection; | |
3828 | } | |
3829 | ||
3830 | int RGWRados::convert_regionmap() | |
3831 | { | |
3832 | RGWZoneGroupMap zonegroupmap; | |
3833 | ||
3834 | string pool_name = cct->_conf->rgw_zone_root_pool; | |
3835 | if (pool_name.empty()) { | |
3836 | pool_name = RGW_DEFAULT_ZONE_ROOT_POOL; | |
3837 | } | |
3838 | string oid = region_map_oid; | |
3839 | ||
3840 | rgw_pool pool(pool_name); | |
3841 | bufferlist bl; | |
3842 | RGWObjectCtx obj_ctx(this); | |
3843 | int ret = rgw_get_system_obj(this, obj_ctx, pool, oid, bl, NULL, NULL); | |
3844 | if (ret < 0 && ret != -ENOENT) { | |
3845 | return ret; | |
3846 | } else if (ret == -ENOENT) { | |
3847 | return 0; | |
3848 | } | |
3849 | ||
3850 | try { | |
3851 | bufferlist::iterator iter = bl.begin(); | |
3852 | ::decode(zonegroupmap, iter); | |
3853 | } catch (buffer::error& err) { | |
3854 | ldout(cct, 0) << "error decoding regionmap from " << pool << ":" << oid << dendl; | |
3855 | return -EIO; | |
3856 | } | |
3857 | ||
3858 | for (map<string, RGWZoneGroup>::iterator iter = zonegroupmap.zonegroups.begin(); | |
3859 | iter != zonegroupmap.zonegroups.end(); ++iter) { | |
3860 | RGWZoneGroup& zonegroup = iter->second; | |
3861 | ret = zonegroup.init(cct, this, false); | |
3862 | ret = zonegroup.update(); | |
3863 | if (ret < 0 && ret != -ENOENT) { | |
3864 | ldout(cct, 0) << "Error could not update zonegroup " << zonegroup.get_name() << ": " << | |
3865 | cpp_strerror(-ret) << dendl; | |
3866 | return ret; | |
3867 | } else if (ret == -ENOENT) { | |
3868 | ret = zonegroup.create(); | |
3869 | if (ret < 0) { | |
3870 | ldout(cct, 0) << "Error could not create " << zonegroup.get_name() << ": " << | |
3871 | cpp_strerror(-ret) << dendl; | |
3872 | return ret; | |
3873 | } | |
3874 | } | |
3875 | } | |
3876 | ||
3877 | current_period.set_user_quota(zonegroupmap.user_quota); | |
3878 | current_period.set_bucket_quota(zonegroupmap.bucket_quota); | |
3879 | ||
3880 | // remove the region_map so we don't try to convert again | |
3881 | rgw_raw_obj obj(pool, oid); | |
3882 | ret = delete_system_obj(obj); | |
3883 | if (ret < 0) { | |
3884 | ldout(cct, 0) << "Error could not remove " << obj | |
3885 | << " after upgrading to zonegroup map: " << cpp_strerror(ret) << dendl; | |
3886 | return ret; | |
3887 | } | |
3888 | ||
3889 | return 0; | |
3890 | } | |
3891 | ||
3892 | /** | |
3893 | * Replace all region configuration with zonegroup for | |
3894 | * backward compatability | |
3895 | * Returns 0 on success, -ERR# on failure. | |
3896 | */ | |
3897 | int RGWRados::replace_region_with_zonegroup() | |
3898 | { | |
3899 | /* copy default region */ | |
3900 | /* convert default region to default zonegroup */ | |
3901 | string default_oid = cct->_conf->rgw_default_region_info_oid; | |
3902 | if (default_oid.empty()) { | |
3903 | default_oid = default_region_info_oid; | |
3904 | } | |
3905 | ||
3906 | ||
3907 | RGWZoneGroup default_zonegroup; | |
3908 | rgw_pool pool{default_zonegroup.get_pool(cct)}; | |
3909 | string oid = "converted"; | |
3910 | bufferlist bl; | |
3911 | RGWObjectCtx obj_ctx(this); | |
3912 | ||
3913 | int ret = rgw_get_system_obj(this, obj_ctx, pool ,oid, bl, NULL, NULL); | |
3914 | if (ret < 0 && ret != -ENOENT) { | |
3915 | ldout(cct, 0) << __func__ << " failed to read converted: ret "<< ret << " " << cpp_strerror(-ret) | |
3916 | << dendl; | |
3917 | return ret; | |
3918 | } else if (ret != -ENOENT) { | |
3919 | ldout(cct, 20) << "System already converted " << dendl; | |
3920 | return 0; | |
3921 | } | |
3922 | ||
3923 | string default_region; | |
3924 | ret = default_zonegroup.init(cct, this, false, true); | |
3925 | if (ret < 0) { | |
3926 | ldout(cct, 0) << __func__ << " failed init default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3927 | return ret; | |
3928 | } | |
3929 | ret = default_zonegroup.read_default_id(default_region, true); | |
3930 | if (ret < 0 && ret != -ENOENT) { | |
3931 | ldout(cct, 0) << __func__ << " failed reading old default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3932 | return ret; | |
3933 | } | |
3934 | ||
3935 | /* convert regions to zonegroups */ | |
3936 | list<string> regions; | |
3937 | ret = list_regions(regions); | |
3938 | if (ret < 0 && ret != -ENOENT) { | |
3939 | ldout(cct, 0) << __func__ << " failed to list regions: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3940 | return ret; | |
3941 | } else if (ret == -ENOENT || regions.empty()) { | |
3942 | RGWZoneParams zoneparams(default_zone_name); | |
3943 | int ret = zoneparams.init(cct, this); | |
3944 | if (ret < 0 && ret != -ENOENT) { | |
3945 | ldout(cct, 0) << __func__ << ": error initializing default zone params: " << cpp_strerror(-ret) << dendl; | |
3946 | return ret; | |
3947 | } | |
3948 | /* update master zone */ | |
3949 | RGWZoneGroup default_zg(default_zonegroup_name); | |
3950 | ret = default_zg.init(cct, this); | |
3951 | if (ret < 0 && ret != -ENOENT) { | |
3952 | ldout(cct, 0) << __func__ << ": error in initializing default zonegroup: " << cpp_strerror(-ret) << dendl; | |
3953 | return ret; | |
3954 | } | |
3955 | if (ret != -ENOENT && default_zg.master_zone.empty()) { | |
3956 | default_zg.master_zone = zoneparams.get_id(); | |
3957 | return default_zg.update(); | |
3958 | } | |
3959 | return 0; | |
3960 | } | |
3961 | ||
3962 | string master_region, master_zone; | |
3963 | for (list<string>::iterator iter = regions.begin(); iter != regions.end(); ++iter) { | |
3964 | if (*iter != default_zonegroup_name){ | |
3965 | RGWZoneGroup region(*iter); | |
3966 | int ret = region.init(cct, this, true, true); | |
3967 | if (ret < 0) { | |
3968 | ldout(cct, 0) << __func__ << " failed init region "<< *iter << ": " << cpp_strerror(-ret) << dendl; | |
3969 | return ret; | |
3970 | } | |
31f18b77 | 3971 | if (region.is_master_zonegroup()) { |
7c673cae FG |
3972 | master_region = region.get_id(); |
3973 | master_zone = region.master_zone; | |
3974 | } | |
3975 | } | |
3976 | } | |
3977 | ||
3978 | /* create realm if there is none. | |
3979 | The realm name will be the region and zone concatenated | |
3980 | realm id will be mds of its name */ | |
3981 | if (realm.get_id().empty() && !master_region.empty() && !master_zone.empty()) { | |
3982 | string new_realm_name = master_region + "." + master_zone; | |
3983 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
3984 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
3985 | MD5 hash; | |
3986 | hash.Update((const byte *)new_realm_name.c_str(), new_realm_name.length()); | |
3987 | hash.Final(md5); | |
3988 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
3989 | string new_realm_id(md5_str); | |
3990 | RGWRealm new_realm(new_realm_id,new_realm_name); | |
3991 | ret = new_realm.init(cct, this, false); | |
3992 | if (ret < 0) { | |
3993 | ldout(cct, 0) << __func__ << " Error initing new realm: " << cpp_strerror(-ret) << dendl; | |
3994 | return ret; | |
3995 | } | |
3996 | ret = new_realm.create(); | |
3997 | if (ret < 0 && ret != -EEXIST) { | |
3998 | ldout(cct, 0) << __func__ << " Error creating new realm: " << cpp_strerror(-ret) << dendl; | |
3999 | return ret; | |
4000 | } | |
4001 | ret = new_realm.set_as_default(); | |
4002 | if (ret < 0) { | |
4003 | ldout(cct, 0) << __func__ << " Error setting realm as default: " << cpp_strerror(-ret) << dendl; | |
4004 | return ret; | |
4005 | } | |
4006 | ret = realm.init(cct, this); | |
4007 | if (ret < 0) { | |
4008 | ldout(cct, 0) << __func__ << " Error initing realm: " << cpp_strerror(-ret) << dendl; | |
4009 | return ret; | |
4010 | } | |
4011 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
4012 | if (ret < 0) { | |
4013 | ldout(cct, 0) << __func__ << " Error initing current period: " << cpp_strerror(-ret) << dendl; | |
4014 | return ret; | |
4015 | } | |
4016 | } | |
4017 | ||
4018 | list<string>::iterator iter; | |
4019 | /* create zonegroups */ | |
4020 | for (iter = regions.begin(); iter != regions.end(); ++iter) | |
4021 | { | |
4022 | ldout(cct, 0) << __func__ << "Converting " << *iter << dendl; | |
4023 | /* check to see if we don't have already a zonegroup with this name */ | |
4024 | RGWZoneGroup new_zonegroup(*iter); | |
4025 | ret = new_zonegroup.init(cct , this); | |
4026 | if (ret == 0 && new_zonegroup.get_id() != *iter) { | |
4027 | ldout(cct, 0) << __func__ << " zonegroup "<< *iter << " already exists id " << new_zonegroup.get_id () << | |
4028 | " skipping conversion " << dendl; | |
4029 | continue; | |
4030 | } | |
4031 | RGWZoneGroup zonegroup(*iter); | |
4032 | zonegroup.set_id(*iter); | |
4033 | int ret = zonegroup.init(cct, this, true, true); | |
4034 | if (ret < 0) { | |
4035 | ldout(cct, 0) << __func__ << " failed init zonegroup: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4036 | return ret; | |
4037 | } | |
4038 | zonegroup.realm_id = realm.get_id(); | |
4039 | /* fix default region master zone */ | |
4040 | if (*iter == default_zonegroup_name && zonegroup.master_zone.empty()) { | |
4041 | ldout(cct, 0) << __func__ << " Setting default zone as master for default region" << dendl; | |
4042 | zonegroup.master_zone = default_zone_name; | |
4043 | } | |
4044 | ret = zonegroup.update(); | |
4045 | if (ret < 0 && ret != -EEXIST) { | |
4046 | ldout(cct, 0) << __func__ << " failed to update zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4047 | << dendl; | |
4048 | return ret; | |
4049 | } | |
4050 | ret = zonegroup.update_name(); | |
4051 | if (ret < 0 && ret != -EEXIST) { | |
4052 | ldout(cct, 0) << __func__ << " failed to update_name for zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4053 | << dendl; | |
4054 | return ret; | |
4055 | } | |
4056 | if (zonegroup.get_name() == default_region) { | |
4057 | ret = zonegroup.set_as_default(); | |
4058 | if (ret < 0) { | |
4059 | ldout(cct, 0) << __func__ << " failed to set_as_default " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4060 | << dendl; | |
4061 | return ret; | |
4062 | } | |
4063 | } | |
4064 | for (map<string, RGWZone>::const_iterator iter = zonegroup.zones.begin(); iter != zonegroup.zones.end(); | |
4065 | ++iter) { | |
4066 | ldout(cct, 0) << __func__ << " Converting zone" << iter->first << dendl; | |
4067 | RGWZoneParams zoneparams(iter->first, iter->first); | |
4068 | zoneparams.set_id(iter->first); | |
4069 | zoneparams.realm_id = realm.get_id(); | |
4070 | ret = zoneparams.init(cct, this); | |
4071 | if (ret < 0 && ret != -ENOENT) { | |
4072 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4073 | return ret; | |
4074 | } else if (ret == -ENOENT) { | |
4075 | ldout(cct, 0) << __func__ << " zone is part of another cluster " << iter->first << " skipping " << dendl; | |
4076 | continue; | |
4077 | } | |
4078 | zonegroup.realm_id = realm.get_id(); | |
4079 | ret = zoneparams.update(); | |
4080 | if (ret < 0 && ret != -EEXIST) { | |
4081 | ldout(cct, 0) << __func__ << " failed to update zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4082 | return ret; | |
4083 | } | |
4084 | ret = zoneparams.update_name(); | |
4085 | if (ret < 0 && ret != -EEXIST) { | |
4086 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4087 | return ret; | |
4088 | } | |
4089 | } | |
4090 | ||
4091 | if (!current_period.get_id().empty()) { | |
4092 | ret = current_period.add_zonegroup(zonegroup); | |
4093 | if (ret < 0) { | |
4094 | ldout(cct, 0) << __func__ << " failed to add zonegroup to current_period: " << cpp_strerror(-ret) << dendl; | |
4095 | return ret; | |
4096 | } | |
4097 | } | |
4098 | } | |
4099 | ||
4100 | if (!current_period.get_id().empty()) { | |
4101 | ret = current_period.update(); | |
4102 | if (ret < 0) { | |
4103 | ldout(cct, 0) << __func__ << " failed to update new period: " << cpp_strerror(-ret) << dendl; | |
4104 | return ret; | |
4105 | } | |
4106 | ret = current_period.store_info(false); | |
4107 | if (ret < 0) { | |
4108 | ldout(cct, 0) << __func__ << " failed to store new period: " << cpp_strerror(-ret) << dendl; | |
4109 | return ret; | |
4110 | } | |
4111 | ret = current_period.reflect(); | |
4112 | if (ret < 0) { | |
4113 | ldout(cct, 0) << __func__ << " failed to update local objects: " << cpp_strerror(-ret) << dendl; | |
4114 | return ret; | |
4115 | } | |
4116 | } | |
4117 | ||
4118 | for (auto const& iter : regions) { | |
4119 | RGWZoneGroup zonegroup(iter); | |
4120 | int ret = zonegroup.init(cct, this, true, true); | |
4121 | if (ret < 0) { | |
4122 | ldout(cct, 0) << __func__ << " failed init zonegroup" << iter << ": ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4123 | return ret; | |
4124 | } | |
4125 | ret = zonegroup.delete_obj(true); | |
4126 | if (ret < 0 && ret != -ENOENT) { | |
4127 | ldout(cct, 0) << __func__ << " failed to delete region " << iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4128 | << dendl; | |
4129 | return ret; | |
4130 | } | |
4131 | } | |
4132 | ||
4133 | /* mark as converted */ | |
4134 | ret = rgw_put_system_obj(this, pool, oid, bl.c_str(), bl.length(), | |
4135 | true, NULL, real_time(), NULL); | |
4136 | if (ret < 0 ) { | |
4137 | ldout(cct, 0) << __func__ << " failed to mark cluster as converted: ret "<< ret << " " << cpp_strerror(-ret) | |
4138 | << dendl; | |
4139 | return ret; | |
4140 | } | |
4141 | ||
4142 | return 0; | |
4143 | } | |
4144 | ||
4145 | int RGWRados::init_zg_from_period(bool *initialized) | |
4146 | { | |
4147 | *initialized = false; | |
4148 | ||
4149 | if (current_period.get_id().empty()) { | |
4150 | return 0; | |
4151 | } | |
4152 | ||
4153 | int ret = zonegroup.init(cct, this); | |
4154 | ldout(cct, 20) << "period zonegroup init ret " << ret << dendl; | |
4155 | if (ret == -ENOENT) { | |
4156 | return 0; | |
4157 | } | |
4158 | if (ret < 0) { | |
4159 | ldout(cct, 0) << "failed reading zonegroup info: " << cpp_strerror(-ret) << dendl; | |
4160 | return ret; | |
4161 | } | |
4162 | ldout(cct, 20) << "period zonegroup name " << zonegroup.get_name() << dendl; | |
4163 | ||
4164 | map<string, RGWZoneGroup>::const_iterator iter = | |
4165 | current_period.get_map().zonegroups.find(zonegroup.get_id()); | |
4166 | ||
4167 | if (iter != current_period.get_map().zonegroups.end()) { | |
4168 | ldout(cct, 20) << "using current period zonegroup " << zonegroup.get_name() << dendl; | |
4169 | zonegroup = iter->second; | |
4170 | ret = zonegroup.init(cct, this, false); | |
4171 | if (ret < 0) { | |
4172 | ldout(cct, 0) << "failed init zonegroup: " << " " << cpp_strerror(-ret) << dendl; | |
4173 | return ret; | |
4174 | } | |
4175 | ret = zone_params.init(cct, this); | |
4176 | if (ret < 0 && ret != -ENOENT) { | |
4177 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
4178 | return ret; | |
4179 | } if (ret ==-ENOENT && zonegroup.get_name() == default_zonegroup_name) { | |
4180 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
4181 | zone_params.set_name(default_zone_name); | |
4182 | ret = zone_params.init(cct, this); | |
4183 | if (ret < 0 && ret != -ENOENT) { | |
4184 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
4185 | return ret; | |
4186 | } | |
4187 | } | |
4188 | } | |
4189 | for (iter = current_period.get_map().zonegroups.begin(); | |
4190 | iter != current_period.get_map().zonegroups.end(); ++iter){ | |
4191 | const RGWZoneGroup& zg = iter->second; | |
4192 | // use endpoints from the zonegroup's master zone | |
4193 | auto master = zg.zones.find(zg.master_zone); | |
4194 | if (master == zg.zones.end()) { | |
4195 | // fix missing master zone for a single zone zonegroup | |
4196 | if (zg.master_zone.empty() && zg.zones.size() == 1) { | |
4197 | master = zg.zones.begin(); | |
4198 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing master_zone, setting zone " << | |
4199 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
4200 | if (zonegroup.get_id() == zg.get_id()) { | |
4201 | zonegroup.master_zone = master->second.id; | |
4202 | ret = zonegroup.update(); | |
4203 | if (ret < 0) { | |
4204 | ldout(cct, 0) << "error updating zonegroup : " << cpp_strerror(-ret) << dendl; | |
4205 | return ret; | |
4206 | } | |
4207 | } else { | |
4208 | RGWZoneGroup fixed_zg(zg.get_id(),zg.get_name()); | |
4209 | ret = fixed_zg.init(cct, this); | |
4210 | if (ret < 0) { | |
4211 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4212 | return ret; | |
4213 | } | |
4214 | fixed_zg.master_zone = master->second.id; | |
4215 | ret = fixed_zg.update(); | |
4216 | if (ret < 0) { | |
4217 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4218 | return ret; | |
4219 | } | |
4220 | } | |
4221 | } else { | |
4222 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing zone for master_zone=" << | |
4223 | zg.master_zone << dendl; | |
4224 | return -EINVAL; | |
4225 | } | |
4226 | } | |
4227 | const auto& endpoints = master->second.endpoints; | |
4228 | add_new_connection_to_map(zonegroup_conn_map, zg, new RGWRESTConn(cct, this, zg.get_id(), endpoints)); | |
4229 | if (!current_period.get_master_zonegroup().empty() && | |
4230 | zg.get_id() == current_period.get_master_zonegroup()) { | |
4231 | rest_master_conn = new RGWRESTConn(cct, this, zg.get_id(), endpoints); | |
4232 | } | |
4233 | } | |
4234 | ||
4235 | *initialized = true; | |
4236 | ||
4237 | return 0; | |
4238 | } | |
4239 | ||
4240 | int RGWRados::init_zg_from_local(bool *creating_defaults) | |
4241 | { | |
4242 | int ret = zonegroup.init(cct, this); | |
4243 | if ( (ret < 0 && ret != -ENOENT) || (ret == -ENOENT && !cct->_conf->rgw_zonegroup.empty())) { | |
4244 | ldout(cct, 0) << "failed reading zonegroup info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4245 | return ret; | |
4246 | } else if (ret == -ENOENT) { | |
4247 | *creating_defaults = true; | |
4248 | ldout(cct, 10) << "Creating default zonegroup " << dendl; | |
4249 | ret = zonegroup.create_default(); | |
4250 | if (ret < 0) { | |
4251 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
4252 | << dendl; | |
4253 | return ret; | |
4254 | } | |
4255 | ret = zonegroup.init(cct, this); | |
4256 | if (ret < 0) { | |
4257 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
4258 | << dendl; | |
4259 | return ret; | |
4260 | } | |
4261 | } | |
4262 | ldout(cct, 20) << "zonegroup " << zonegroup.get_name() << dendl; | |
31f18b77 | 4263 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
4264 | // use endpoints from the zonegroup's master zone |
4265 | auto master = zonegroup.zones.find(zonegroup.master_zone); | |
4266 | if (master == zonegroup.zones.end()) { | |
4267 | // fix missing master zone for a single zone zonegroup | |
4268 | if (zonegroup.master_zone.empty() && zonegroup.zones.size() == 1) { | |
4269 | master = zonegroup.zones.begin(); | |
4270 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing master_zone, setting zone " << | |
4271 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
4272 | zonegroup.master_zone = master->second.id; | |
4273 | ret = zonegroup.update(); | |
4274 | if (ret < 0) { | |
4275 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4276 | return ret; | |
4277 | } | |
4278 | } else { | |
4279 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing zone for " | |
4280 | "master_zone=" << zonegroup.master_zone << dendl; | |
4281 | return -EINVAL; | |
4282 | } | |
4283 | } | |
4284 | const auto& endpoints = master->second.endpoints; | |
4285 | rest_master_conn = new RGWRESTConn(cct, this, zonegroup.get_id(), endpoints); | |
4286 | } | |
4287 | ||
4288 | return 0; | |
4289 | } | |
4290 | ||
4291 | ||
4292 | bool RGWRados::zone_syncs_from(RGWZone& target_zone, RGWZone& source_zone) | |
4293 | { | |
4294 | return target_zone.syncs_from(source_zone.name) && | |
4295 | sync_modules_manager->supports_data_export(source_zone.tier_type); | |
4296 | } | |
4297 | ||
4298 | /** | |
4299 | * Initialize the RADOS instance and prepare to do other ops | |
4300 | * Returns 0 on success, -ERR# on failure. | |
4301 | */ | |
4302 | int RGWRados::init_complete() | |
4303 | { | |
4304 | int ret = realm.init(cct, this); | |
4305 | if (ret < 0 && ret != -ENOENT) { | |
4306 | ldout(cct, 0) << "failed reading realm info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4307 | return ret; | |
4308 | } else if (ret != -ENOENT) { | |
4309 | ldout(cct, 20) << "realm " << realm.get_name() << " " << realm.get_id() << dendl; | |
4310 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
4311 | if (ret < 0 && ret != -ENOENT) { | |
4312 | ldout(cct, 0) << "failed reading current period info: " << " " << cpp_strerror(-ret) << dendl; | |
4313 | return ret; | |
4314 | } | |
4315 | ldout(cct, 20) << "current period " << current_period.get_id() << dendl; | |
4316 | } | |
4317 | ||
4318 | ret = replace_region_with_zonegroup(); | |
4319 | if (ret < 0) { | |
4320 | lderr(cct) << "failed converting region to zonegroup : ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4321 | return ret; | |
4322 | } | |
4323 | ||
4324 | ret = convert_regionmap(); | |
4325 | if (ret < 0) { | |
4326 | lderr(cct) << "failed converting regionmap: " << cpp_strerror(-ret) << dendl; | |
4327 | return ret; | |
4328 | } | |
4329 | ||
4330 | bool zg_initialized = false; | |
4331 | ||
4332 | if (!current_period.get_id().empty()) { | |
4333 | ret = init_zg_from_period(&zg_initialized); | |
4334 | if (ret < 0) { | |
4335 | return ret; | |
4336 | } | |
4337 | } | |
4338 | ||
4339 | bool creating_defaults = false; | |
4340 | bool using_local = (!zg_initialized); | |
4341 | if (using_local) { | |
4342 | ldout(cct, 10) << " cannot find current period zonegroup using local zonegroup" << dendl; | |
4343 | ret = init_zg_from_local(&creating_defaults); | |
4344 | if (ret < 0) { | |
4345 | return ret; | |
4346 | } | |
4347 | // read period_config into current_period | |
4348 | auto& period_config = current_period.get_config(); | |
4349 | ret = period_config.read(this, zonegroup.realm_id); | |
4350 | if (ret < 0 && ret != -ENOENT) { | |
4351 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
4352 | << cpp_strerror(ret) << dendl; | |
4353 | return ret; | |
4354 | } | |
4355 | } | |
4356 | ||
4357 | ldout(cct, 10) << "Cannot find current period zone using local zone" << dendl; | |
4358 | if (creating_defaults && cct->_conf->rgw_zone.empty()) { | |
4359 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
4360 | zone_params.set_name(default_zone_name); | |
4361 | } | |
4362 | ||
4363 | ret = zone_params.init(cct, this); | |
4364 | if (ret < 0 && ret != -ENOENT) { | |
4365 | lderr(cct) << "failed reading zone info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4366 | return ret; | |
4367 | } | |
4368 | map<string, RGWZone>::iterator zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4369 | if (zone_iter == get_zonegroup().zones.end()) { | |
4370 | if (using_local) { | |
4371 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4372 | return -EINVAL; | |
4373 | } | |
4374 | ldout(cct, 1) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << "), switching to local zonegroup configuration" << dendl; | |
4375 | ret = init_zg_from_local(&creating_defaults); | |
4376 | if (ret < 0) { | |
4377 | return ret; | |
4378 | } | |
4379 | zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4380 | } | |
4381 | if (zone_iter != get_zonegroup().zones.end()) { | |
4382 | zone_public_config = zone_iter->second; | |
4383 | ldout(cct, 20) << "zone " << zone_params.get_name() << dendl; | |
4384 | } else { | |
4385 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4386 | return -EINVAL; | |
4387 | } | |
4388 | ||
4389 | zone_short_id = current_period.get_map().get_zone_short_id(zone_params.get_id()); | |
4390 | ||
31f18b77 FG |
4391 | if (run_sync_thread) { |
4392 | ret = sync_modules_manager->create_instance(cct, zone_public_config.tier_type, zone_params.tier_config, &sync_module); | |
4393 | if (ret < 0) { | |
4394 | lderr(cct) << "ERROR: failed to init sync module instance, ret=" << ret << dendl; | |
4395 | return ret; | |
4396 | } | |
7c673cae FG |
4397 | } |
4398 | ||
4399 | writeable_zone = (zone_public_config.tier_type.empty() || zone_public_config.tier_type == "rgw"); | |
4400 | ||
4401 | init_unique_trans_id_deps(); | |
4402 | ||
4403 | finisher = new Finisher(cct); | |
4404 | finisher->start(); | |
4405 | ||
4406 | period_puller.reset(new RGWPeriodPuller(this)); | |
4407 | period_history.reset(new RGWPeriodHistory(cct, period_puller.get(), | |
4408 | current_period)); | |
4409 | ||
4410 | if (need_watch_notify()) { | |
4411 | ret = init_watch(); | |
4412 | if (ret < 0) { | |
4413 | lderr(cct) << "ERROR: failed to initialize watch: " << cpp_strerror(-ret) << dendl; | |
4414 | return ret; | |
4415 | } | |
4416 | } | |
4417 | ||
4418 | /* first build all zones index */ | |
4419 | for (auto ziter : get_zonegroup().zones) { | |
4420 | const string& id = ziter.first; | |
4421 | RGWZone& z = ziter.second; | |
4422 | zone_id_by_name[z.name] = id; | |
4423 | zone_by_id[id] = z; | |
4424 | } | |
31f18b77 | 4425 | |
7c673cae FG |
4426 | if (zone_by_id.find(zone_id()) == zone_by_id.end()) { |
4427 | ldout(cct, 0) << "WARNING: could not find zone config in zonegroup for local zone (" << zone_id() << "), will use defaults" << dendl; | |
4428 | } | |
4429 | zone_public_config = zone_by_id[zone_id()]; | |
4430 | for (auto ziter : get_zonegroup().zones) { | |
4431 | const string& id = ziter.first; | |
4432 | RGWZone& z = ziter.second; | |
4433 | if (id == zone_id()) { | |
4434 | continue; | |
4435 | } | |
4436 | if (z.endpoints.empty()) { | |
4437 | ldout(cct, 0) << "WARNING: can't generate connection for zone " << z.id << " id " << z.name << ": no endpoints defined" << dendl; | |
4438 | continue; | |
4439 | } | |
4440 | ldout(cct, 20) << "generating connection object for zone " << z.name << " id " << z.id << dendl; | |
4441 | RGWRESTConn *conn = new RGWRESTConn(cct, this, z.id, z.endpoints); | |
4442 | zone_conn_map[id] = conn; | |
4443 | if (zone_syncs_from(zone_public_config, z) || | |
4444 | zone_syncs_from(z, zone_public_config)) { | |
4445 | if (zone_syncs_from(zone_public_config, z)) { | |
4446 | zone_data_sync_from_map[id] = conn; | |
4447 | } | |
4448 | if (zone_syncs_from(z, zone_public_config)) { | |
4449 | zone_data_notify_to_map[id] = conn; | |
4450 | } | |
4451 | } else { | |
4452 | ldout(cct, 20) << "NOTICE: not syncing to/from zone " << z.name << " id " << z.id << dendl; | |
4453 | } | |
4454 | } | |
4455 | ||
4456 | ret = open_root_pool_ctx(); | |
4457 | if (ret < 0) | |
4458 | return ret; | |
4459 | ||
4460 | ret = open_gc_pool_ctx(); | |
4461 | if (ret < 0) | |
4462 | return ret; | |
4463 | ||
4464 | ret = open_lc_pool_ctx(); | |
4465 | if (ret < 0) | |
4466 | return ret; | |
4467 | ||
4468 | ret = open_objexp_pool_ctx(); | |
4469 | if (ret < 0) | |
4470 | return ret; | |
4471 | ||
31f18b77 FG |
4472 | ret = open_reshard_pool_ctx(); |
4473 | if (ret < 0) | |
4474 | return ret; | |
4475 | ||
7c673cae FG |
4476 | pools_initialized = true; |
4477 | ||
4478 | gc = new RGWGC(); | |
4479 | gc->initialize(cct, this); | |
4480 | ||
4481 | obj_expirer = new RGWObjectExpirer(this); | |
4482 | ||
4483 | if (use_gc_thread) { | |
4484 | gc->start_processor(); | |
4485 | obj_expirer->start_processor(); | |
4486 | } | |
4487 | ||
4488 | if (run_sync_thread) { | |
4489 | // initialize the log period history. we want to do this any time we're not | |
4490 | // running under radosgw-admin, so we check run_sync_thread here before | |
4491 | // disabling it based on the zone/zonegroup setup | |
4492 | meta_mgr->init_oldest_log_period(); | |
4493 | } | |
4494 | ||
4495 | /* no point of running sync thread if we don't have a master zone configured | |
4496 | or there is no rest_master_conn */ | |
4497 | if (get_zonegroup().master_zone.empty() || !rest_master_conn | |
4498 | || current_period.get_id().empty()) { | |
4499 | run_sync_thread = false; | |
4500 | } | |
4501 | ||
4502 | async_rados = new RGWAsyncRadosProcessor(this, cct->_conf->rgw_num_async_rados_threads); | |
4503 | async_rados->start(); | |
4504 | ||
4505 | ret = meta_mgr->init(current_period.get_id()); | |
4506 | if (ret < 0) { | |
4507 | lderr(cct) << "ERROR: failed to initialize metadata log: " | |
4508 | << cpp_strerror(-ret) << dendl; | |
4509 | return ret; | |
4510 | } | |
4511 | ||
4512 | if (is_meta_master()) { | |
4513 | auto md_log = meta_mgr->get_log(current_period.get_id()); | |
4514 | meta_notifier = new RGWMetaNotifier(this, md_log); | |
4515 | meta_notifier->start(); | |
4516 | } | |
4517 | ||
4518 | if (run_sync_thread) { | |
4519 | Mutex::Locker l(meta_sync_thread_lock); | |
4520 | meta_sync_processor_thread = new RGWMetaSyncProcessorThread(this, async_rados); | |
4521 | ret = meta_sync_processor_thread->init(); | |
4522 | if (ret < 0) { | |
4523 | ldout(cct, 0) << "ERROR: failed to initialize meta sync thread" << dendl; | |
4524 | return ret; | |
4525 | } | |
4526 | meta_sync_processor_thread->start(); | |
4527 | ||
4528 | Mutex::Locker dl(data_sync_thread_lock); | |
4529 | for (auto iter : zone_data_sync_from_map) { | |
4530 | ldout(cct, 5) << "starting data sync thread for zone " << iter.first << dendl; | |
4531 | RGWDataSyncProcessorThread *thread = new RGWDataSyncProcessorThread(this, async_rados, iter.first); | |
4532 | ret = thread->init(); | |
4533 | if (ret < 0) { | |
4534 | ldout(cct, 0) << "ERROR: failed to initialize data sync thread" << dendl; | |
4535 | return ret; | |
4536 | } | |
4537 | thread->start(); | |
4538 | data_sync_processor_threads[iter.first] = thread; | |
4539 | } | |
4540 | auto interval = cct->_conf->rgw_sync_log_trim_interval; | |
4541 | if (interval > 0) { | |
4542 | sync_log_trimmer = new RGWSyncLogTrimThread(this, interval); | |
4543 | ret = sync_log_trimmer->init(); | |
4544 | if (ret < 0) { | |
4545 | ldout(cct, 0) << "ERROR: failed to initialize sync log trim thread" << dendl; | |
4546 | return ret; | |
4547 | } | |
4548 | sync_log_trimmer->start(); | |
4549 | } | |
4550 | } | |
4551 | data_notifier = new RGWDataNotifier(this); | |
4552 | data_notifier->start(); | |
4553 | ||
4554 | lc = new RGWLC(); | |
4555 | lc->initialize(cct, this); | |
31f18b77 | 4556 | |
7c673cae FG |
4557 | if (use_lc_thread) |
4558 | lc->start_processor(); | |
31f18b77 | 4559 | |
7c673cae FG |
4560 | quota_handler = RGWQuotaHandler::generate_handler(this, quota_threads); |
4561 | ||
4562 | bucket_index_max_shards = (cct->_conf->rgw_override_bucket_index_max_shards ? cct->_conf->rgw_override_bucket_index_max_shards : | |
4563 | get_zone().bucket_index_max_shards); | |
31f18b77 FG |
4564 | if (bucket_index_max_shards > get_max_bucket_shards()) { |
4565 | bucket_index_max_shards = get_max_bucket_shards(); | |
7c673cae | 4566 | ldout(cct, 1) << __func__ << " bucket index max shards is too large, reset to value: " |
31f18b77 | 4567 | << get_max_bucket_shards() << dendl; |
7c673cae FG |
4568 | } |
4569 | ldout(cct, 20) << __func__ << " bucket index max shards: " << bucket_index_max_shards << dendl; | |
4570 | ||
4571 | binfo_cache = new RGWChainedCacheImpl<bucket_info_entry>; | |
4572 | binfo_cache->init(this); | |
4573 | ||
4574 | bool need_tombstone_cache = !zone_data_notify_to_map.empty(); /* have zones syncing from us */ | |
4575 | ||
4576 | if (need_tombstone_cache) { | |
4577 | obj_tombstone_cache = new tombstone_cache_t(cct->_conf->rgw_obj_tombstone_cache_size); | |
4578 | } | |
4579 | ||
31f18b77 FG |
4580 | reshard_wait = std::make_shared<RGWReshardWait>(this); |
4581 | ||
4582 | reshard = new RGWReshard(this); | |
4583 | ||
4584 | /* only the master zone in the zonegroup reshards buckets */ | |
4585 | run_reshard_thread = run_reshard_thread && (get_zonegroup().master_zone == zone_public_config.id); | |
4586 | if (run_reshard_thread) { | |
4587 | reshard->start_processor(); | |
4588 | } | |
4589 | ||
4590 | index_completion_manager = new RGWIndexCompletionManager(this); | |
4591 | ret = index_completion_manager->start(); | |
4592 | ||
7c673cae FG |
4593 | return ret; |
4594 | } | |
4595 | ||
4596 | /** | |
4597 | * Initialize the RADOS instance and prepare to do other ops | |
4598 | * Returns 0 on success, -ERR# on failure. | |
4599 | */ | |
4600 | int RGWRados::initialize() | |
4601 | { | |
4602 | int ret; | |
4603 | ||
4604 | ret = init_rados(); | |
4605 | if (ret < 0) | |
4606 | return ret; | |
4607 | ||
4608 | return init_complete(); | |
4609 | } | |
4610 | ||
4611 | void RGWRados::finalize_watch() | |
4612 | { | |
4613 | for (int i = 0; i < num_watchers; i++) { | |
4614 | RGWWatcher *watcher = watchers[i]; | |
4615 | watcher->unregister_watch(); | |
4616 | delete watcher; | |
4617 | } | |
4618 | ||
4619 | delete[] notify_oids; | |
4620 | delete[] watchers; | |
4621 | } | |
4622 | ||
4623 | void RGWRados::schedule_context(Context *c) { | |
4624 | finisher->queue(c); | |
4625 | } | |
4626 | ||
4627 | int RGWRados::list_raw_prefixed_objs(const rgw_pool& pool, const string& prefix, list<string>& result) | |
4628 | { | |
4629 | bool is_truncated; | |
4630 | RGWListRawObjsCtx ctx; | |
4631 | do { | |
4632 | list<string> oids; | |
4633 | int r = list_raw_objects(pool, prefix, 1000, | |
4634 | ctx, oids, &is_truncated); | |
4635 | if (r < 0) { | |
4636 | return r; | |
4637 | } | |
4638 | list<string>::iterator iter; | |
4639 | for (iter = oids.begin(); iter != oids.end(); ++iter) { | |
4640 | string& val = *iter; | |
4641 | if (val.size() > prefix.size()) | |
4642 | result.push_back(val.substr(prefix.size())); | |
4643 | } | |
4644 | } while (is_truncated); | |
4645 | ||
4646 | return 0; | |
4647 | } | |
4648 | ||
4649 | int RGWRados::list_regions(list<string>& regions) | |
4650 | { | |
4651 | RGWZoneGroup zonegroup; | |
4652 | ||
4653 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), region_info_oid_prefix, regions); | |
4654 | } | |
4655 | ||
4656 | int RGWRados::list_zonegroups(list<string>& zonegroups) | |
4657 | { | |
4658 | RGWZoneGroup zonegroup; | |
4659 | ||
4660 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), zonegroup_names_oid_prefix, zonegroups); | |
4661 | } | |
4662 | ||
4663 | int RGWRados::list_zones(list<string>& zones) | |
4664 | { | |
4665 | RGWZoneParams zoneparams; | |
4666 | ||
4667 | return list_raw_prefixed_objs(zoneparams.get_pool(cct), zone_names_oid_prefix, zones); | |
4668 | } | |
4669 | ||
4670 | int RGWRados::list_realms(list<string>& realms) | |
4671 | { | |
4672 | RGWRealm realm(cct, this); | |
4673 | return list_raw_prefixed_objs(realm.get_pool(cct), realm_names_oid_prefix, realms); | |
4674 | } | |
4675 | ||
4676 | int RGWRados::list_periods(list<string>& periods) | |
4677 | { | |
4678 | RGWPeriod period; | |
4679 | list<string> raw_periods; | |
4680 | int ret = list_raw_prefixed_objs(period.get_pool(cct), period.get_info_oid_prefix(), raw_periods); | |
4681 | if (ret < 0) { | |
4682 | return ret; | |
4683 | } | |
4684 | for (const auto& oid : raw_periods) { | |
4685 | size_t pos = oid.find("."); | |
4686 | if (pos != std::string::npos) { | |
4687 | periods.push_back(oid.substr(0, pos)); | |
4688 | } else { | |
4689 | periods.push_back(oid); | |
4690 | } | |
4691 | } | |
4692 | periods.sort(); // unique() only detects duplicates if they're adjacent | |
4693 | periods.unique(); | |
4694 | return 0; | |
4695 | } | |
4696 | ||
4697 | ||
4698 | int RGWRados::list_periods(const string& current_period, list<string>& periods) | |
4699 | { | |
4700 | int ret = 0; | |
4701 | string period_id = current_period; | |
4702 | while(!period_id.empty()) { | |
4703 | RGWPeriod period(period_id); | |
4704 | ret = period.init(cct, this); | |
4705 | if (ret < 0) { | |
4706 | return ret; | |
4707 | } | |
4708 | periods.push_back(period.get_id()); | |
4709 | period_id = period.get_predecessor(); | |
4710 | } | |
4711 | ||
4712 | return ret; | |
4713 | } | |
4714 | ||
4715 | /** | |
4716 | * Open the pool used as root for this gateway | |
4717 | * Returns: 0 on success, -ERR# otherwise. | |
4718 | */ | |
4719 | int RGWRados::open_root_pool_ctx() | |
4720 | { | |
4721 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().domain_root, root_pool_ctx, true); | |
4722 | } | |
4723 | ||
4724 | int RGWRados::open_gc_pool_ctx() | |
4725 | { | |
4726 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().gc_pool, gc_pool_ctx, true); | |
4727 | } | |
4728 | ||
4729 | int RGWRados::open_lc_pool_ctx() | |
4730 | { | |
4731 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().lc_pool, lc_pool_ctx, true); | |
4732 | } | |
4733 | ||
4734 | int RGWRados::open_objexp_pool_ctx() | |
4735 | { | |
4736 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, objexp_pool_ctx, true); | |
4737 | } | |
4738 | ||
31f18b77 FG |
4739 | int RGWRados::open_reshard_pool_ctx() |
4740 | { | |
4741 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().reshard_pool, reshard_pool_ctx, true); | |
4742 | } | |
4743 | ||
7c673cae FG |
4744 | int RGWRados::init_watch() |
4745 | { | |
4746 | int r = rgw_init_ioctx(&rados[0], get_zone_params().control_pool, control_pool_ctx, true); | |
4747 | if (r < 0) { | |
4748 | return r; | |
4749 | } | |
4750 | ||
4751 | num_watchers = cct->_conf->rgw_num_control_oids; | |
4752 | ||
4753 | bool compat_oid = (num_watchers == 0); | |
4754 | ||
4755 | if (num_watchers <= 0) | |
4756 | num_watchers = 1; | |
4757 | ||
4758 | notify_oids = new string[num_watchers]; | |
4759 | watchers = new RGWWatcher *[num_watchers]; | |
4760 | ||
4761 | for (int i=0; i < num_watchers; i++) { | |
4762 | string& notify_oid = notify_oids[i]; | |
4763 | notify_oid = notify_oid_prefix; | |
4764 | if (!compat_oid) { | |
4765 | char buf[16]; | |
4766 | snprintf(buf, sizeof(buf), ".%d", i); | |
4767 | notify_oid.append(buf); | |
4768 | } | |
4769 | r = control_pool_ctx.create(notify_oid, false); | |
4770 | if (r < 0 && r != -EEXIST) | |
4771 | return r; | |
4772 | ||
4773 | RGWWatcher *watcher = new RGWWatcher(this, i, notify_oid); | |
4774 | watchers[i] = watcher; | |
4775 | ||
4776 | r = watcher->register_watch(); | |
4777 | if (r < 0) | |
4778 | return r; | |
4779 | } | |
4780 | ||
4781 | watch_initialized = true; | |
4782 | ||
4783 | set_cache_enabled(true); | |
4784 | ||
4785 | return 0; | |
4786 | } | |
4787 | ||
4788 | void RGWRados::pick_control_oid(const string& key, string& notify_oid) | |
4789 | { | |
4790 | uint32_t r = ceph_str_hash_linux(key.c_str(), key.size()); | |
4791 | ||
4792 | int i = r % num_watchers; | |
4793 | char buf[16]; | |
4794 | snprintf(buf, sizeof(buf), ".%d", i); | |
4795 | ||
4796 | notify_oid = notify_oid_prefix; | |
4797 | notify_oid.append(buf); | |
4798 | } | |
4799 | ||
4800 | int RGWRados::open_pool_ctx(const rgw_pool& pool, librados::IoCtx& io_ctx) | |
4801 | { | |
4802 | librados::Rados *rad = get_rados_handle(); | |
4803 | int r = rgw_init_ioctx(rad, pool, io_ctx); | |
4804 | if (r != -ENOENT) | |
4805 | return r; | |
4806 | ||
4807 | if (!pools_initialized) | |
4808 | return r; | |
4809 | ||
4810 | r = rad->pool_create(pool.name.c_str()); | |
4811 | if (r < 0 && r != -EEXIST) | |
4812 | return r; | |
4813 | ||
4814 | return rgw_init_ioctx(rad, pool, io_ctx); | |
4815 | } | |
4816 | ||
4817 | void RGWRados::build_bucket_index_marker(const string& shard_id_str, const string& shard_marker, | |
4818 | string *marker) { | |
4819 | if (marker) { | |
4820 | *marker = shard_id_str; | |
4821 | marker->append(BucketIndexShardsManager::KEY_VALUE_SEPARATOR); | |
4822 | marker->append(shard_marker); | |
4823 | } | |
4824 | } | |
4825 | ||
4826 | int RGWRados::open_bucket_index_ctx(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx) | |
4827 | { | |
4828 | const string *rule = &bucket_info.placement_rule; | |
4829 | if (rule->empty()) { | |
4830 | rule = &zonegroup.default_placement; | |
4831 | } | |
4832 | auto iter = zone_params.placement_pools.find(*rule); | |
4833 | if (iter == zone_params.placement_pools.end()) { | |
4834 | ldout(cct, 0) << "could not find placement rule " << *rule << " within zonegroup " << dendl; | |
4835 | return -EINVAL; | |
4836 | } | |
4837 | ||
4838 | int r = open_pool_ctx(iter->second.index_pool, index_ctx); | |
4839 | if (r < 0) | |
4840 | return r; | |
4841 | ||
4842 | return 0; | |
4843 | } | |
4844 | ||
4845 | /** | |
4846 | * set up a bucket listing. | |
4847 | * handle is filled in. | |
4848 | * Returns 0 on success, -ERR# otherwise. | |
4849 | */ | |
4850 | int RGWRados::list_buckets_init(RGWAccessHandle *handle) | |
4851 | { | |
4852 | librados::NObjectIterator *state = new librados::NObjectIterator(root_pool_ctx.nobjects_begin()); | |
4853 | *handle = (RGWAccessHandle)state; | |
4854 | return 0; | |
4855 | } | |
4856 | ||
4857 | /** | |
4858 | * get the next bucket in the listing. | |
4859 | * obj is filled in, | |
4860 | * handle is updated. | |
4861 | * returns 0 on success, -ERR# otherwise. | |
4862 | */ | |
4863 | int RGWRados::list_buckets_next(rgw_bucket_dir_entry& obj, RGWAccessHandle *handle) | |
4864 | { | |
4865 | librados::NObjectIterator *state = (librados::NObjectIterator *)*handle; | |
4866 | ||
4867 | do { | |
4868 | if (*state == root_pool_ctx.nobjects_end()) { | |
4869 | delete state; | |
4870 | return -ENOENT; | |
4871 | } | |
4872 | ||
4873 | obj.key.name = (*state)->get_oid(); | |
4874 | if (obj.key.name[0] == '_') { | |
4875 | obj.key.name = obj.key.name.substr(1); | |
4876 | } | |
4877 | ||
4878 | (*state)++; | |
4879 | } while (obj.key.name[0] == '.'); /* skip all entries starting with '.' */ | |
4880 | ||
4881 | return 0; | |
4882 | } | |
4883 | ||
4884 | ||
4885 | /**** logs ****/ | |
4886 | ||
4887 | struct log_list_state { | |
4888 | string prefix; | |
4889 | librados::IoCtx io_ctx; | |
4890 | librados::NObjectIterator obit; | |
4891 | }; | |
4892 | ||
4893 | int RGWRados::log_list_init(const string& prefix, RGWAccessHandle *handle) | |
4894 | { | |
4895 | log_list_state *state = new log_list_state; | |
4896 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4897 | if (r < 0) { | |
4898 | delete state; | |
4899 | return r; | |
4900 | } | |
4901 | state->prefix = prefix; | |
4902 | state->obit = state->io_ctx.nobjects_begin(); | |
4903 | *handle = (RGWAccessHandle)state; | |
4904 | return 0; | |
4905 | } | |
4906 | ||
4907 | int RGWRados::log_list_next(RGWAccessHandle handle, string *name) | |
4908 | { | |
4909 | log_list_state *state = static_cast<log_list_state *>(handle); | |
4910 | while (true) { | |
4911 | if (state->obit == state->io_ctx.nobjects_end()) { | |
4912 | delete state; | |
4913 | return -ENOENT; | |
4914 | } | |
4915 | if (state->prefix.length() && | |
4916 | state->obit->get_oid().find(state->prefix) != 0) { | |
4917 | state->obit++; | |
4918 | continue; | |
4919 | } | |
4920 | *name = state->obit->get_oid(); | |
4921 | state->obit++; | |
4922 | break; | |
4923 | } | |
4924 | return 0; | |
4925 | } | |
4926 | ||
4927 | int RGWRados::log_remove(const string& name) | |
4928 | { | |
4929 | librados::IoCtx io_ctx; | |
4930 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4931 | if (r < 0) | |
4932 | return r; | |
4933 | return io_ctx.remove(name); | |
4934 | } | |
4935 | ||
4936 | struct log_show_state { | |
4937 | librados::IoCtx io_ctx; | |
4938 | bufferlist bl; | |
4939 | bufferlist::iterator p; | |
4940 | string name; | |
4941 | uint64_t pos; | |
4942 | bool eof; | |
4943 | log_show_state() : pos(0), eof(false) {} | |
4944 | }; | |
4945 | ||
4946 | int RGWRados::log_show_init(const string& name, RGWAccessHandle *handle) | |
4947 | { | |
4948 | log_show_state *state = new log_show_state; | |
4949 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4950 | if (r < 0) { | |
4951 | delete state; | |
4952 | return r; | |
4953 | } | |
4954 | state->name = name; | |
4955 | *handle = (RGWAccessHandle)state; | |
4956 | return 0; | |
4957 | } | |
4958 | ||
4959 | int RGWRados::log_show_next(RGWAccessHandle handle, rgw_log_entry *entry) | |
4960 | { | |
4961 | log_show_state *state = static_cast<log_show_state *>(handle); | |
4962 | off_t off = state->p.get_off(); | |
4963 | ||
4964 | ldout(cct, 10) << "log_show_next pos " << state->pos << " bl " << state->bl.length() | |
4965 | << " off " << off | |
4966 | << " eof " << (int)state->eof | |
4967 | << dendl; | |
4968 | // read some? | |
4969 | unsigned chunk = 1024*1024; | |
4970 | if ((state->bl.length() - off) < chunk/2 && !state->eof) { | |
4971 | bufferlist more; | |
4972 | int r = state->io_ctx.read(state->name, more, chunk, state->pos); | |
4973 | if (r < 0) | |
4974 | return r; | |
4975 | state->pos += r; | |
4976 | bufferlist old; | |
4977 | try { | |
4978 | old.substr_of(state->bl, off, state->bl.length() - off); | |
4979 | } catch (buffer::error& err) { | |
4980 | return -EINVAL; | |
4981 | } | |
4982 | state->bl.clear(); | |
4983 | state->bl.claim(old); | |
4984 | state->bl.claim_append(more); | |
4985 | state->p = state->bl.begin(); | |
4986 | if ((unsigned)r < chunk) | |
4987 | state->eof = true; | |
4988 | ldout(cct, 10) << " read " << r << dendl; | |
4989 | } | |
4990 | ||
4991 | if (state->p.end()) | |
4992 | return 0; // end of file | |
4993 | try { | |
4994 | ::decode(*entry, state->p); | |
4995 | } | |
4996 | catch (const buffer::error &e) { | |
4997 | return -EINVAL; | |
4998 | } | |
4999 | return 1; | |
5000 | } | |
5001 | ||
5002 | /** | |
5003 | * usage_log_hash: get usage log key hash, based on name and index | |
5004 | * | |
5005 | * Get the usage object name. Since a user may have more than 1 | |
5006 | * object holding that info (multiple shards), we use index to | |
5007 | * specify that shard number. Once index exceeds max shards it | |
5008 | * wraps. | |
5009 | * If name is not being set, results for all users will be returned | |
5010 | * and index will wrap only after total shards number. | |
5011 | * | |
5012 | * @param cct [in] ceph context | |
5013 | * @param name [in] user name | |
5014 | * @param hash [out] hash value | |
5015 | * @param index [in] shard index number | |
5016 | */ | |
5017 | static void usage_log_hash(CephContext *cct, const string& name, string& hash, uint32_t index) | |
5018 | { | |
5019 | uint32_t val = index; | |
5020 | ||
5021 | if (!name.empty()) { | |
5022 | int max_user_shards = max(cct->_conf->rgw_usage_max_user_shards, 1); | |
5023 | val %= max_user_shards; | |
5024 | val += ceph_str_hash_linux(name.c_str(), name.size()); | |
5025 | } | |
5026 | char buf[17]; | |
5027 | int max_shards = max(cct->_conf->rgw_usage_max_shards, 1); | |
5028 | snprintf(buf, sizeof(buf), RGW_USAGE_OBJ_PREFIX "%u", (unsigned)(val % max_shards)); | |
5029 | hash = buf; | |
5030 | } | |
5031 | ||
5032 | int RGWRados::log_usage(map<rgw_user_bucket, RGWUsageBatch>& usage_info) | |
5033 | { | |
5034 | uint32_t index = 0; | |
5035 | ||
5036 | map<string, rgw_usage_log_info> log_objs; | |
5037 | ||
5038 | string hash; | |
5039 | string last_user; | |
5040 | ||
5041 | /* restructure usage map, zone by object hash */ | |
5042 | map<rgw_user_bucket, RGWUsageBatch>::iterator iter; | |
5043 | for (iter = usage_info.begin(); iter != usage_info.end(); ++iter) { | |
5044 | const rgw_user_bucket& ub = iter->first; | |
5045 | RGWUsageBatch& info = iter->second; | |
5046 | ||
5047 | if (ub.user.empty()) { | |
5048 | ldout(cct, 0) << "WARNING: RGWRados::log_usage(): user name empty (bucket=" << ub.bucket << "), skipping" << dendl; | |
5049 | continue; | |
5050 | } | |
5051 | ||
5052 | if (ub.user != last_user) { | |
5053 | /* index *should* be random, but why waste extra cycles | |
5054 | in most cases max user shards is not going to exceed 1, | |
5055 | so just incrementing it */ | |
5056 | usage_log_hash(cct, ub.user, hash, index++); | |
5057 | } | |
5058 | last_user = ub.user; | |
5059 | vector<rgw_usage_log_entry>& v = log_objs[hash].entries; | |
5060 | ||
5061 | for (auto miter = info.m.begin(); miter != info.m.end(); ++miter) { | |
5062 | v.push_back(miter->second); | |
5063 | } | |
5064 | } | |
5065 | ||
5066 | map<string, rgw_usage_log_info>::iterator liter; | |
5067 | ||
5068 | for (liter = log_objs.begin(); liter != log_objs.end(); ++liter) { | |
5069 | int r = cls_obj_usage_log_add(liter->first, liter->second); | |
5070 | if (r < 0) | |
5071 | return r; | |
5072 | } | |
5073 | return 0; | |
5074 | } | |
5075 | ||
5076 | int RGWRados::read_usage(const rgw_user& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
5077 | bool *is_truncated, RGWUsageIter& usage_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage) | |
5078 | { | |
5079 | uint32_t num = max_entries; | |
5080 | string hash, first_hash; | |
5081 | string user_str = user.to_str(); | |
5082 | usage_log_hash(cct, user_str, first_hash, 0); | |
5083 | ||
5084 | if (usage_iter.index) { | |
5085 | usage_log_hash(cct, user_str, hash, usage_iter.index); | |
5086 | } else { | |
5087 | hash = first_hash; | |
5088 | } | |
5089 | ||
5090 | usage.clear(); | |
5091 | ||
5092 | do { | |
5093 | map<rgw_user_bucket, rgw_usage_log_entry> ret_usage; | |
5094 | map<rgw_user_bucket, rgw_usage_log_entry>::iterator iter; | |
5095 | ||
5096 | int ret = cls_obj_usage_log_read(hash, user_str, start_epoch, end_epoch, num, | |
5097 | usage_iter.read_iter, ret_usage, is_truncated); | |
5098 | if (ret == -ENOENT) | |
5099 | goto next; | |
5100 | ||
5101 | if (ret < 0) | |
5102 | return ret; | |
5103 | ||
5104 | num -= ret_usage.size(); | |
5105 | ||
5106 | for (iter = ret_usage.begin(); iter != ret_usage.end(); ++iter) { | |
5107 | usage[iter->first].aggregate(iter->second); | |
5108 | } | |
5109 | ||
5110 | next: | |
5111 | if (!*is_truncated) { | |
5112 | usage_iter.read_iter.clear(); | |
5113 | usage_log_hash(cct, user_str, hash, ++usage_iter.index); | |
5114 | } | |
5115 | } while (num && !*is_truncated && hash != first_hash); | |
5116 | return 0; | |
5117 | } | |
5118 | ||
5119 | int RGWRados::trim_usage(rgw_user& user, uint64_t start_epoch, uint64_t end_epoch) | |
5120 | { | |
5121 | uint32_t index = 0; | |
5122 | string hash, first_hash; | |
5123 | string user_str = user.to_str(); | |
5124 | usage_log_hash(cct, user_str, first_hash, index); | |
5125 | ||
5126 | hash = first_hash; | |
5127 | ||
5128 | do { | |
5129 | int ret = cls_obj_usage_log_trim(hash, user_str, start_epoch, end_epoch); | |
5130 | if (ret == -ENOENT) | |
5131 | goto next; | |
5132 | ||
5133 | if (ret < 0) | |
5134 | return ret; | |
5135 | ||
5136 | next: | |
5137 | usage_log_hash(cct, user_str, hash, ++index); | |
5138 | } while (hash != first_hash); | |
5139 | ||
5140 | return 0; | |
5141 | } | |
5142 | ||
7c673cae FG |
5143 | int RGWRados::key_to_shard_id(const string& key, int max_shards) |
5144 | { | |
31f18b77 | 5145 | return rgw_shards_hash(key, max_shards); |
7c673cae FG |
5146 | } |
5147 | ||
5148 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& key, string& name, int *shard_id) | |
5149 | { | |
5150 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
5151 | char buf[16]; | |
5152 | if (shard_id) { | |
5153 | *shard_id = val % max_shards; | |
5154 | } | |
5155 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
5156 | name = prefix + buf; | |
5157 | } | |
5158 | ||
5159 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& section, const string& key, string& name) | |
5160 | { | |
5161 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
5162 | val ^= ceph_str_hash_linux(section.c_str(), section.size()); | |
5163 | char buf[16]; | |
5164 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
5165 | name = prefix + buf; | |
5166 | } | |
5167 | ||
5168 | void RGWRados::shard_name(const string& prefix, unsigned shard_id, string& name) | |
5169 | { | |
5170 | char buf[16]; | |
5171 | snprintf(buf, sizeof(buf), "%u", shard_id); | |
5172 | name = prefix + buf; | |
5173 | ||
5174 | } | |
5175 | ||
5176 | void RGWRados::time_log_prepare_entry(cls_log_entry& entry, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
5177 | { | |
5178 | cls_log_add_prepare_entry(entry, utime_t(ut), section, key, bl); | |
5179 | } | |
5180 | ||
5181 | int RGWRados::time_log_add_init(librados::IoCtx& io_ctx) | |
5182 | { | |
5183 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx, true); | |
5184 | ||
5185 | } | |
5186 | ||
5187 | int RGWRados::time_log_add(const string& oid, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
5188 | { | |
5189 | librados::IoCtx io_ctx; | |
5190 | ||
5191 | int r = time_log_add_init(io_ctx); | |
5192 | if (r < 0) { | |
5193 | return r; | |
5194 | } | |
5195 | ||
5196 | ObjectWriteOperation op; | |
5197 | utime_t t(ut); | |
5198 | cls_log_add(op, t, section, key, bl); | |
5199 | ||
5200 | return io_ctx.operate(oid, &op); | |
5201 | } | |
5202 | ||
5203 | int RGWRados::time_log_add(const string& oid, list<cls_log_entry>& entries, | |
5204 | librados::AioCompletion *completion, bool monotonic_inc) | |
5205 | { | |
5206 | librados::IoCtx io_ctx; | |
5207 | ||
5208 | int r = time_log_add_init(io_ctx); | |
5209 | if (r < 0) { | |
5210 | return r; | |
5211 | } | |
5212 | ||
5213 | ObjectWriteOperation op; | |
5214 | cls_log_add(op, entries, monotonic_inc); | |
5215 | ||
5216 | if (!completion) { | |
5217 | r = io_ctx.operate(oid, &op); | |
5218 | } else { | |
5219 | r = io_ctx.aio_operate(oid, completion, &op); | |
5220 | } | |
5221 | return r; | |
5222 | } | |
5223 | ||
5224 | int RGWRados::time_log_list(const string& oid, const real_time& start_time, const real_time& end_time, | |
5225 | int max_entries, list<cls_log_entry>& entries, | |
5226 | const string& marker, | |
5227 | string *out_marker, | |
5228 | bool *truncated) | |
5229 | { | |
5230 | librados::IoCtx io_ctx; | |
5231 | ||
5232 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5233 | if (r < 0) | |
5234 | return r; | |
5235 | librados::ObjectReadOperation op; | |
5236 | ||
5237 | utime_t st(start_time); | |
5238 | utime_t et(end_time); | |
5239 | ||
5240 | cls_log_list(op, st, et, marker, max_entries, entries, | |
5241 | out_marker, truncated); | |
5242 | ||
5243 | bufferlist obl; | |
5244 | ||
5245 | int ret = io_ctx.operate(oid, &op, &obl); | |
5246 | if (ret < 0) | |
5247 | return ret; | |
5248 | ||
5249 | return 0; | |
5250 | } | |
5251 | ||
5252 | int RGWRados::time_log_info(const string& oid, cls_log_header *header) | |
5253 | { | |
5254 | librados::IoCtx io_ctx; | |
5255 | ||
5256 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5257 | if (r < 0) | |
5258 | return r; | |
5259 | librados::ObjectReadOperation op; | |
5260 | ||
5261 | cls_log_info(op, header); | |
5262 | ||
5263 | bufferlist obl; | |
5264 | ||
5265 | int ret = io_ctx.operate(oid, &op, &obl); | |
5266 | if (ret < 0) | |
5267 | return ret; | |
5268 | ||
5269 | return 0; | |
5270 | } | |
5271 | ||
5272 | int RGWRados::time_log_info_async(librados::IoCtx& io_ctx, const string& oid, cls_log_header *header, librados::AioCompletion *completion) | |
5273 | { | |
5274 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5275 | if (r < 0) | |
5276 | return r; | |
5277 | ||
5278 | librados::ObjectReadOperation op; | |
5279 | ||
5280 | cls_log_info(op, header); | |
5281 | ||
5282 | int ret = io_ctx.aio_operate(oid, completion, &op, NULL); | |
5283 | if (ret < 0) | |
5284 | return ret; | |
5285 | ||
5286 | return 0; | |
5287 | } | |
5288 | ||
5289 | int RGWRados::time_log_trim(const string& oid, const real_time& start_time, const real_time& end_time, | |
5290 | const string& from_marker, const string& to_marker, | |
5291 | librados::AioCompletion *completion) | |
5292 | { | |
5293 | librados::IoCtx io_ctx; | |
5294 | ||
5295 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5296 | if (r < 0) | |
5297 | return r; | |
5298 | ||
5299 | utime_t st(start_time); | |
5300 | utime_t et(end_time); | |
5301 | ||
5302 | ObjectWriteOperation op; | |
5303 | cls_log_trim(op, st, et, from_marker, to_marker); | |
5304 | ||
5305 | if (!completion) { | |
5306 | r = io_ctx.operate(oid, &op); | |
5307 | } else { | |
5308 | r = io_ctx.aio_operate(oid, completion, &op); | |
5309 | } | |
5310 | return r; | |
5311 | } | |
5312 | ||
5313 | string RGWRados::objexp_hint_get_shardname(int shard_num) | |
5314 | { | |
5315 | char buf[32]; | |
5316 | snprintf(buf, sizeof(buf), "%010u", (unsigned)shard_num); | |
5317 | ||
5318 | string objname("obj_delete_at_hint."); | |
5319 | return objname + buf; | |
5320 | } | |
5321 | ||
7c673cae FG |
5322 | int RGWRados::objexp_key_shard(const rgw_obj_index_key& key) |
5323 | { | |
5324 | string obj_key = key.name + key.instance; | |
5325 | int num_shards = cct->_conf->rgw_objexp_hints_num_shards; | |
5326 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
5327 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 FG |
5328 | sid = rgw_shards_mod(sid2, num_shards); |
5329 | return sid; | |
7c673cae FG |
5330 | } |
5331 | ||
5332 | static string objexp_hint_get_keyext(const string& tenant_name, | |
5333 | const string& bucket_name, | |
5334 | const string& bucket_id, | |
5335 | const rgw_obj_key& obj_key) | |
5336 | { | |
5337 | return tenant_name + (tenant_name.empty() ? "" : ":") + bucket_name + ":" + bucket_id + | |
5338 | ":" + obj_key.name + ":" + obj_key.instance; | |
5339 | } | |
5340 | ||
5341 | int RGWRados::objexp_hint_add(const ceph::real_time& delete_at, | |
5342 | const string& tenant_name, | |
5343 | const string& bucket_name, | |
5344 | const string& bucket_id, | |
5345 | const rgw_obj_index_key& obj_key) | |
5346 | { | |
5347 | const string keyext = objexp_hint_get_keyext(tenant_name, bucket_name, | |
5348 | bucket_id, obj_key); | |
5349 | objexp_hint_entry he = { | |
5350 | .tenant = tenant_name, | |
5351 | .bucket_name = bucket_name, | |
5352 | .bucket_id = bucket_id, | |
5353 | .obj_key = obj_key, | |
5354 | .exp_time = delete_at }; | |
5355 | bufferlist hebl; | |
5356 | ::encode(he, hebl); | |
5357 | ObjectWriteOperation op; | |
5358 | cls_timeindex_add(op, utime_t(delete_at), keyext, hebl); | |
5359 | ||
5360 | string shard_name = objexp_hint_get_shardname(objexp_key_shard(obj_key)); | |
5361 | return objexp_pool_ctx.operate(shard_name, &op); | |
5362 | } | |
5363 | ||
5364 | void RGWRados::objexp_get_shard(int shard_num, | |
5365 | string& shard) /* out */ | |
5366 | { | |
5367 | shard = objexp_hint_get_shardname(shard_num); | |
5368 | } | |
5369 | ||
5370 | int RGWRados::objexp_hint_list(const string& oid, | |
5371 | const ceph::real_time& start_time, | |
5372 | const ceph::real_time& end_time, | |
5373 | const int max_entries, | |
5374 | const string& marker, | |
5375 | list<cls_timeindex_entry>& entries, /* out */ | |
5376 | string *out_marker, /* out */ | |
5377 | bool *truncated) /* out */ | |
5378 | { | |
5379 | librados::ObjectReadOperation op; | |
5380 | cls_timeindex_list(op, utime_t(start_time), utime_t(end_time), marker, max_entries, entries, | |
5381 | out_marker, truncated); | |
5382 | ||
5383 | bufferlist obl; | |
5384 | int ret = objexp_pool_ctx.operate(oid, &op, &obl); | |
5385 | ||
5386 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5387 | return ret; | |
5388 | } | |
5389 | ||
5390 | if ((ret == -ENOENT) && truncated) { | |
5391 | *truncated = false; | |
5392 | } | |
5393 | ||
5394 | return 0; | |
5395 | } | |
5396 | ||
5397 | int RGWRados::objexp_hint_parse(cls_timeindex_entry &ti_entry, /* in */ | |
5398 | objexp_hint_entry& hint_entry) /* out */ | |
5399 | { | |
5400 | try { | |
5401 | bufferlist::iterator iter = ti_entry.value.begin(); | |
5402 | ::decode(hint_entry, iter); | |
5403 | } catch (buffer::error& err) { | |
5404 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5405 | } | |
5406 | ||
5407 | return 0; | |
5408 | } | |
5409 | ||
5410 | int RGWRados::objexp_hint_trim(const string& oid, | |
5411 | const ceph::real_time& start_time, | |
5412 | const ceph::real_time& end_time, | |
5413 | const string& from_marker, | |
5414 | const string& to_marker) | |
5415 | { | |
5416 | int ret = cls_timeindex_trim(objexp_pool_ctx, oid, utime_t(start_time), utime_t(end_time), | |
5417 | from_marker, to_marker); | |
5418 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5419 | return ret; | |
5420 | } | |
5421 | ||
5422 | return 0; | |
5423 | } | |
5424 | ||
5425 | int RGWRados::lock_exclusive(rgw_pool& pool, const string& oid, timespan& duration, | |
5426 | string& zone_id, string& owner_id) { | |
5427 | librados::IoCtx io_ctx; | |
5428 | ||
5429 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5430 | if (r < 0) { | |
5431 | return r; | |
5432 | } | |
5433 | uint64_t msec = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count(); | |
5434 | utime_t ut(msec / 1000, msec % 1000); | |
5435 | ||
5436 | rados::cls::lock::Lock l(log_lock_name); | |
5437 | l.set_duration(ut); | |
5438 | l.set_cookie(owner_id); | |
5439 | l.set_tag(zone_id); | |
5440 | l.set_renew(true); | |
5441 | ||
5442 | return l.lock_exclusive(&io_ctx, oid); | |
5443 | } | |
5444 | ||
5445 | int RGWRados::unlock(rgw_pool& pool, const string& oid, string& zone_id, string& owner_id) { | |
5446 | librados::IoCtx io_ctx; | |
5447 | ||
5448 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5449 | if (r < 0) { | |
5450 | return r; | |
5451 | } | |
5452 | ||
5453 | rados::cls::lock::Lock l(log_lock_name); | |
5454 | l.set_tag(zone_id); | |
5455 | l.set_cookie(owner_id); | |
5456 | ||
5457 | return l.unlock(&io_ctx, oid); | |
5458 | } | |
5459 | ||
5460 | int RGWRados::decode_policy(bufferlist& bl, ACLOwner *owner) | |
5461 | { | |
5462 | bufferlist::iterator i = bl.begin(); | |
5463 | RGWAccessControlPolicy policy(cct); | |
5464 | try { | |
5465 | policy.decode_owner(i); | |
5466 | } catch (buffer::error& err) { | |
5467 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5468 | return -EIO; | |
5469 | } | |
5470 | *owner = policy.get_owner(); | |
5471 | return 0; | |
5472 | } | |
5473 | ||
5474 | int rgw_policy_from_attrset(CephContext *cct, map<string, bufferlist>& attrset, RGWAccessControlPolicy *policy) | |
5475 | { | |
5476 | map<string, bufferlist>::iterator aiter = attrset.find(RGW_ATTR_ACL); | |
5477 | if (aiter == attrset.end()) | |
5478 | return -EIO; | |
5479 | ||
5480 | bufferlist& bl = aiter->second; | |
5481 | bufferlist::iterator iter = bl.begin(); | |
5482 | try { | |
5483 | policy->decode(iter); | |
5484 | } catch (buffer::error& err) { | |
5485 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5486 | return -EIO; | |
5487 | } | |
5488 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 15)) { | |
5489 | RGWAccessControlPolicy_S3 *s3policy = static_cast<RGWAccessControlPolicy_S3 *>(policy); | |
5490 | ldout(cct, 15) << __func__ << " Read AccessControlPolicy"; | |
5491 | s3policy->to_xml(*_dout); | |
5492 | *_dout << dendl; | |
5493 | } | |
5494 | return 0; | |
5495 | } | |
5496 | ||
5497 | ||
31f18b77 FG |
5498 | int RGWRados::Bucket::update_bucket_id(const string& new_bucket_id) |
5499 | { | |
5500 | rgw_bucket bucket = bucket_info.bucket; | |
5501 | bucket.update_bucket_id(new_bucket_id); | |
5502 | ||
5503 | RGWObjectCtx obj_ctx(store); | |
5504 | ||
5505 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, nullptr, nullptr); | |
5506 | if (ret < 0) { | |
5507 | return ret; | |
5508 | } | |
5509 | ||
5510 | return 0; | |
5511 | } | |
5512 | ||
7c673cae FG |
5513 | /** |
5514 | * get listing of the objects in a bucket. | |
5515 | * | |
5516 | * max: maximum number of results to return | |
5517 | * bucket: bucket to list contents of | |
5518 | * prefix: only return results that match this prefix | |
5519 | * delim: do not include results that match this string. | |
5520 | * Any skipped results will have the matching portion of their name | |
5521 | * inserted in common_prefixes with a "true" mark. | |
5522 | * marker: if filled in, begin the listing with this object. | |
5523 | * end_marker: if filled in, end the listing with this object. | |
5524 | * result: the objects are put in here. | |
5525 | * common_prefixes: if delim is filled in, any matching prefixes are placed here. | |
5526 | * is_truncated: if number of objects in the bucket is bigger than max, then truncated. | |
5527 | */ | |
5528 | int RGWRados::Bucket::List::list_objects(int max, vector<rgw_bucket_dir_entry> *result, | |
5529 | map<string, bool> *common_prefixes, | |
5530 | bool *is_truncated) | |
5531 | { | |
5532 | RGWRados *store = target->get_store(); | |
5533 | CephContext *cct = store->ctx(); | |
5534 | int shard_id = target->get_shard_id(); | |
5535 | ||
5536 | int count = 0; | |
5537 | bool truncated = true; | |
5538 | int read_ahead = std::max(cct->_conf->rgw_list_bucket_min_readahead,max); | |
5539 | ||
5540 | result->clear(); | |
5541 | ||
5542 | rgw_obj_key marker_obj(params.marker.name, params.marker.instance, params.ns); | |
5543 | ||
5544 | rgw_obj_key end_marker_obj; | |
5545 | rgw_obj_index_key cur_end_marker; | |
5546 | if (!params.ns.empty()) { | |
5547 | end_marker_obj = rgw_obj_key(params.end_marker.name, params.end_marker.instance, params.ns); | |
5548 | end_marker_obj.ns = params.ns; | |
5549 | end_marker_obj.get_index_key(&cur_end_marker); | |
5550 | } | |
5551 | rgw_obj_index_key cur_marker; | |
5552 | marker_obj.get_index_key(&cur_marker); | |
5553 | ||
5554 | const bool cur_end_marker_valid = !params.end_marker.empty(); | |
5555 | ||
5556 | rgw_obj_key prefix_obj(params.prefix); | |
5557 | prefix_obj.ns = params.ns; | |
5558 | string cur_prefix = prefix_obj.get_index_key_name(); | |
5559 | ||
5560 | string bigger_than_delim; | |
5561 | ||
5562 | if (!params.delim.empty()) { | |
5563 | unsigned long val = decode_utf8((unsigned char *)params.delim.c_str(), params.delim.size()); | |
5564 | char buf[params.delim.size() + 16]; | |
5565 | int r = encode_utf8(val + 1, (unsigned char *)buf); | |
5566 | if (r < 0) { | |
5567 | ldout(cct,0) << "ERROR: encode_utf8() failed" << dendl; | |
5568 | return -EINVAL; | |
5569 | } | |
5570 | buf[r] = '\0'; | |
5571 | ||
5572 | bigger_than_delim = buf; | |
5573 | ||
5574 | /* if marker points at a common prefix, fast forward it into its upperbound string */ | |
224ce89b | 5575 | int delim_pos = cur_marker.name.find(params.delim, cur_prefix.size()); |
7c673cae FG |
5576 | if (delim_pos >= 0) { |
5577 | string s = cur_marker.name.substr(0, delim_pos); | |
5578 | s.append(bigger_than_delim); | |
5579 | cur_marker = s; | |
5580 | } | |
5581 | } | |
5582 | ||
5583 | string skip_after_delim; | |
5584 | while (truncated && count <= max) { | |
5585 | if (skip_after_delim > cur_marker.name) { | |
5586 | cur_marker = skip_after_delim; | |
5587 | ldout(cct, 20) << "setting cur_marker=" << cur_marker.name << "[" << cur_marker.instance << "]" << dendl; | |
5588 | } | |
5589 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
5590 | int r = store->cls_bucket_list(target->get_bucket_info(), shard_id, cur_marker, cur_prefix, | |
5591 | read_ahead + 1 - count, params.list_versions, ent_map, | |
5592 | &truncated, &cur_marker); | |
5593 | if (r < 0) | |
5594 | return r; | |
5595 | ||
5596 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
5597 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
5598 | rgw_bucket_dir_entry& entry = eiter->second; | |
5599 | rgw_obj_index_key index_key = entry.key; | |
5600 | ||
5601 | rgw_obj_key obj(index_key); | |
5602 | ||
5603 | /* note that parse_raw_oid() here will not set the correct object's instance, as | |
5604 | * rgw_obj_index_key encodes that separately. We don't need to set the instance because it's | |
5605 | * not needed for the checks here and we end up using the raw entry for the return vector | |
5606 | */ | |
5607 | bool valid = rgw_obj_key::parse_raw_oid(index_key.name, &obj); | |
5608 | if (!valid) { | |
5609 | ldout(cct, 0) << "ERROR: could not parse object name: " << obj.name << dendl; | |
5610 | continue; | |
5611 | } | |
5612 | bool check_ns = (obj.ns == params.ns); | |
5613 | if (!params.list_versions && !entry.is_visible()) { | |
5614 | continue; | |
5615 | } | |
5616 | ||
5617 | if (params.enforce_ns && !check_ns) { | |
5618 | if (!params.ns.empty()) { | |
5619 | /* we've iterated past the namespace we're searching -- done now */ | |
5620 | truncated = false; | |
5621 | goto done; | |
5622 | } | |
5623 | ||
5624 | /* we're not looking at the namespace this object is in, next! */ | |
5625 | continue; | |
5626 | } | |
5627 | ||
5628 | if (cur_end_marker_valid && cur_end_marker <= index_key) { | |
5629 | truncated = false; | |
5630 | goto done; | |
5631 | } | |
5632 | ||
5633 | if (count < max) { | |
5634 | params.marker = index_key; | |
5635 | next_marker = index_key; | |
5636 | } | |
5637 | ||
5638 | if (params.filter && !params.filter->filter(obj.name, index_key.name)) | |
5639 | continue; | |
5640 | ||
5641 | if (params.prefix.size() && (obj.name.compare(0, params.prefix.size(), params.prefix) != 0)) | |
5642 | continue; | |
5643 | ||
5644 | if (!params.delim.empty()) { | |
5645 | int delim_pos = obj.name.find(params.delim, params.prefix.size()); | |
5646 | ||
5647 | if (delim_pos >= 0) { | |
5648 | string prefix_key = obj.name.substr(0, delim_pos + 1); | |
5649 | ||
5650 | if (common_prefixes && | |
5651 | common_prefixes->find(prefix_key) == common_prefixes->end()) { | |
5652 | if (count >= max) { | |
5653 | truncated = true; | |
5654 | goto done; | |
5655 | } | |
5656 | next_marker = prefix_key; | |
5657 | (*common_prefixes)[prefix_key] = true; | |
5658 | ||
224ce89b WB |
5659 | int marker_delim_pos = cur_marker.name.find(params.delim, cur_prefix.size()); |
5660 | ||
5661 | skip_after_delim = cur_marker.name.substr(0, marker_delim_pos); | |
7c673cae FG |
5662 | skip_after_delim.append(bigger_than_delim); |
5663 | ||
5664 | ldout(cct, 20) << "skip_after_delim=" << skip_after_delim << dendl; | |
5665 | ||
5666 | count++; | |
5667 | } | |
5668 | ||
5669 | continue; | |
5670 | } | |
5671 | } | |
5672 | ||
5673 | if (count >= max) { | |
5674 | truncated = true; | |
5675 | goto done; | |
5676 | } | |
5677 | ||
5678 | result->emplace_back(std::move(entry)); | |
5679 | count++; | |
5680 | } | |
5681 | ||
5682 | // Either the back-end telling us truncated, or we don't consume all | |
5683 | // items returned per the amount caller request | |
5684 | truncated = (truncated || eiter != ent_map.end()); | |
5685 | } | |
5686 | ||
5687 | done: | |
5688 | if (is_truncated) | |
5689 | *is_truncated = truncated; | |
5690 | ||
5691 | return 0; | |
5692 | } | |
5693 | ||
5694 | /** | |
5695 | * create a rados pool, associated meta info | |
5696 | * returns 0 on success, -ERR# otherwise. | |
5697 | */ | |
5698 | int RGWRados::create_pool(const rgw_pool& pool) | |
5699 | { | |
5700 | int ret = 0; | |
5701 | ||
5702 | librados::Rados *rad = get_rados_handle(); | |
5703 | ret = rad->pool_create(pool.name.c_str(), 0); | |
5704 | if (ret == -EEXIST) | |
5705 | ret = 0; | |
5706 | else if (ret == -ERANGE) { | |
5707 | ldout(cct, 0) | |
5708 | << __func__ | |
5709 | << " ERROR: librados::Rados::pool_create returned " << cpp_strerror(-ret) | |
5710 | << " (this can be due to a pool or placement group misconfiguration, e.g., pg_num < pgp_num)" | |
5711 | << dendl; | |
5712 | } | |
5713 | if (ret < 0) | |
5714 | return ret; | |
5715 | ||
5716 | return 0; | |
5717 | } | |
5718 | ||
5719 | int RGWRados::init_bucket_index(RGWBucketInfo& bucket_info, int num_shards) | |
5720 | { | |
5721 | librados::IoCtx index_ctx; // context for new bucket | |
5722 | ||
31f18b77 | 5723 | string dir_oid = dir_oid_prefix; |
7c673cae | 5724 | int r = open_bucket_index_ctx(bucket_info, index_ctx); |
31f18b77 | 5725 | if (r < 0) { |
7c673cae | 5726 | return r; |
31f18b77 | 5727 | } |
7c673cae | 5728 | |
7c673cae FG |
5729 | dir_oid.append(bucket_info.bucket.bucket_id); |
5730 | ||
5731 | map<int, string> bucket_objs; | |
5732 | get_bucket_index_objects(dir_oid, num_shards, bucket_objs); | |
5733 | ||
5734 | return CLSRGWIssueBucketIndexInit(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
5735 | } | |
5736 | ||
5737 | void RGWRados::create_bucket_id(string *bucket_id) | |
5738 | { | |
5739 | uint64_t iid = instance_id(); | |
5740 | uint64_t bid = next_bucket_id(); | |
5741 | char buf[get_zone_params().get_id().size() + 48]; | |
5742 | snprintf(buf, sizeof(buf), "%s.%llu.%llu", get_zone_params().get_id().c_str(), (long long)iid, (long long)bid); | |
5743 | *bucket_id = buf; | |
5744 | } | |
5745 | ||
5746 | /** | |
5747 | * create a bucket with name bucket and the given list of attrs | |
5748 | * returns 0 on success, -ERR# otherwise. | |
5749 | */ | |
5750 | int RGWRados::create_bucket(RGWUserInfo& owner, rgw_bucket& bucket, | |
5751 | const string& zonegroup_id, | |
5752 | const string& placement_rule, | |
5753 | const string& swift_ver_location, | |
5754 | const RGWQuotaInfo * pquota_info, | |
5755 | map<std::string, bufferlist>& attrs, | |
5756 | RGWBucketInfo& info, | |
5757 | obj_version *pobjv, | |
5758 | obj_version *pep_objv, | |
5759 | real_time creation_time, | |
5760 | rgw_bucket *pmaster_bucket, | |
5761 | uint32_t *pmaster_num_shards, | |
5762 | bool exclusive) | |
5763 | { | |
5764 | #define MAX_CREATE_RETRIES 20 /* need to bound retries */ | |
5765 | string selected_placement_rule_name; | |
5766 | RGWZonePlacementInfo rule_info; | |
5767 | ||
5768 | for (int i = 0; i < MAX_CREATE_RETRIES; i++) { | |
5769 | int ret = 0; | |
5770 | ret = select_bucket_placement(owner, zonegroup_id, placement_rule, | |
5771 | &selected_placement_rule_name, &rule_info); | |
5772 | if (ret < 0) | |
5773 | return ret; | |
5774 | ||
5775 | if (!pmaster_bucket) { | |
5776 | create_bucket_id(&bucket.marker); | |
5777 | bucket.bucket_id = bucket.marker; | |
5778 | } else { | |
5779 | bucket.marker = pmaster_bucket->marker; | |
5780 | bucket.bucket_id = pmaster_bucket->bucket_id; | |
5781 | } | |
5782 | ||
5783 | RGWObjVersionTracker& objv_tracker = info.objv_tracker; | |
5784 | ||
5785 | if (pobjv) { | |
5786 | objv_tracker.write_version = *pobjv; | |
5787 | } else { | |
5788 | objv_tracker.generate_new_write_ver(cct); | |
5789 | } | |
5790 | ||
5791 | info.bucket = bucket; | |
5792 | info.owner = owner.user_id; | |
5793 | info.zonegroup = zonegroup_id; | |
5794 | info.placement_rule = selected_placement_rule_name; | |
5795 | info.index_type = rule_info.index_type; | |
5796 | info.swift_ver_location = swift_ver_location; | |
5797 | info.swift_versioning = (!swift_ver_location.empty()); | |
5798 | if (pmaster_num_shards) { | |
5799 | info.num_shards = *pmaster_num_shards; | |
5800 | } else { | |
5801 | info.num_shards = bucket_index_max_shards; | |
5802 | } | |
5803 | info.bucket_index_shard_hash_type = RGWBucketInfo::MOD; | |
5804 | info.requester_pays = false; | |
5805 | if (real_clock::is_zero(creation_time)) { | |
5806 | info.creation_time = ceph::real_clock::now(); | |
5807 | } else { | |
5808 | info.creation_time = creation_time; | |
5809 | } | |
5810 | if (pquota_info) { | |
5811 | info.quota = *pquota_info; | |
5812 | } | |
5813 | ||
5814 | int r = init_bucket_index(info, info.num_shards); | |
5815 | if (r < 0) { | |
5816 | return r; | |
5817 | } | |
5818 | ||
5819 | ret = put_linked_bucket_info(info, exclusive, ceph::real_time(), pep_objv, &attrs, true); | |
5820 | if (ret == -EEXIST) { | |
5821 | librados::IoCtx index_ctx; | |
5822 | map<int, string> bucket_objs; | |
5823 | int r = open_bucket_index(info, index_ctx, bucket_objs); | |
5824 | if (r < 0) | |
5825 | return r; | |
5826 | ||
5827 | /* we need to reread the info and return it, caller will have a use for it */ | |
5828 | RGWObjVersionTracker instance_ver = info.objv_tracker; | |
5829 | info.objv_tracker.clear(); | |
5830 | RGWObjectCtx obj_ctx(this); | |
5831 | r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, NULL); | |
5832 | if (r < 0) { | |
5833 | if (r == -ENOENT) { | |
5834 | continue; | |
5835 | } | |
5836 | ldout(cct, 0) << "get_bucket_info returned " << r << dendl; | |
5837 | return r; | |
5838 | } | |
5839 | ||
5840 | /* only remove it if it's a different bucket instance */ | |
5841 | if (info.bucket.bucket_id != bucket.bucket_id) { | |
5842 | /* remove bucket meta instance */ | |
5843 | string entry = bucket.get_key(); | |
5844 | r = rgw_bucket_instance_remove_entry(this, entry, &instance_ver); | |
5845 | if (r < 0) | |
5846 | return r; | |
5847 | ||
5848 | map<int, string>::const_iterator biter; | |
5849 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
5850 | // Do best effort removal | |
5851 | index_ctx.remove(biter->second); | |
5852 | } | |
5853 | } | |
5854 | /* ret == -ENOENT here */ | |
5855 | } | |
5856 | return ret; | |
5857 | } | |
5858 | ||
5859 | /* this is highly unlikely */ | |
5860 | ldout(cct, 0) << "ERROR: could not create bucket, continuously raced with bucket creation and removal" << dendl; | |
5861 | return -ENOENT; | |
5862 | } | |
5863 | ||
5864 | int RGWRados::select_new_bucket_location(RGWUserInfo& user_info, const string& zonegroup_id, const string& request_rule, | |
5865 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5866 | ||
5867 | { | |
5868 | /* first check that rule exists within the specific zonegroup */ | |
5869 | RGWZoneGroup zonegroup; | |
5870 | int ret = get_zonegroup(zonegroup_id, zonegroup); | |
5871 | if (ret < 0) { | |
5872 | ldout(cct, 0) << "could not find zonegroup " << zonegroup_id << " in current period" << dendl; | |
5873 | return ret; | |
5874 | } | |
5875 | ||
5876 | /* now check that tag exists within zonegroup */ | |
5877 | /* find placement rule. Hierarchy: request rule > user default rule > zonegroup default rule */ | |
5878 | string rule = request_rule; | |
5879 | if (rule.empty()) { | |
5880 | rule = user_info.default_placement; | |
5881 | if (rule.empty()) | |
5882 | rule = zonegroup.default_placement; | |
5883 | } | |
5884 | ||
5885 | if (rule.empty()) { | |
5886 | ldout(cct, 0) << "misconfiguration, should not have an empty placement rule name" << dendl; | |
5887 | return -EIO; | |
5888 | } | |
5889 | ||
5890 | map<string, RGWZoneGroupPlacementTarget>::iterator titer = zonegroup.placement_targets.find(rule); | |
5891 | if (titer == zonegroup.placement_targets.end()) { | |
5892 | ldout(cct, 0) << "could not find placement rule " << rule << " within zonegroup " << dendl; | |
5893 | return -EINVAL; | |
5894 | } | |
5895 | ||
5896 | /* now check tag for the rule, whether user is permitted to use rule */ | |
5897 | RGWZoneGroupPlacementTarget& target_rule = titer->second; | |
5898 | if (!target_rule.user_permitted(user_info.placement_tags)) { | |
5899 | ldout(cct, 0) << "user not permitted to use placement rule" << dendl; | |
5900 | return -EPERM; | |
5901 | } | |
5902 | ||
5903 | if (pselected_rule_name) | |
5904 | *pselected_rule_name = rule; | |
5905 | ||
5906 | return select_bucket_location_by_rule(rule, rule_info); | |
5907 | } | |
5908 | ||
5909 | int RGWRados::select_bucket_location_by_rule(const string& location_rule, RGWZonePlacementInfo *rule_info) | |
5910 | { | |
5911 | if (location_rule.empty()) { | |
5912 | /* we can only reach here if we're trying to set a bucket location from a bucket | |
5913 | * created on a different zone, using a legacy / default pool configuration | |
5914 | */ | |
5915 | return select_legacy_bucket_placement(rule_info); | |
5916 | } | |
5917 | ||
5918 | /* | |
5919 | * make sure that zone has this rule configured. We're | |
5920 | * checking it for the local zone, because that's where this bucket object is going to | |
5921 | * reside. | |
5922 | */ | |
5923 | map<string, RGWZonePlacementInfo>::iterator piter = get_zone_params().placement_pools.find(location_rule); | |
5924 | if (piter == get_zone_params().placement_pools.end()) { | |
5925 | /* couldn't find, means we cannot really place data for this bucket in this zone */ | |
224ce89b | 5926 | if (get_zonegroup().equals(zonegroup.get_id())) { |
7c673cae FG |
5927 | /* that's a configuration error, zone should have that rule, as we're within the requested |
5928 | * zonegroup */ | |
5929 | return -EINVAL; | |
5930 | } else { | |
5931 | /* oh, well, data is not going to be placed here, bucket object is just a placeholder */ | |
5932 | return 0; | |
5933 | } | |
5934 | } | |
5935 | ||
5936 | RGWZonePlacementInfo& placement_info = piter->second; | |
5937 | ||
5938 | if (rule_info) { | |
5939 | *rule_info = placement_info; | |
5940 | } | |
5941 | ||
5942 | return 0; | |
5943 | } | |
5944 | ||
5945 | int RGWRados::select_bucket_placement(RGWUserInfo& user_info, const string& zonegroup_id, const string& placement_rule, | |
5946 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5947 | { | |
5948 | if (!get_zone_params().placement_pools.empty()) { | |
5949 | return select_new_bucket_location(user_info, zonegroup_id, placement_rule, | |
5950 | pselected_rule_name, rule_info); | |
5951 | } | |
5952 | ||
5953 | if (pselected_rule_name) { | |
5954 | pselected_rule_name->clear(); | |
5955 | } | |
5956 | ||
5957 | return select_legacy_bucket_placement(rule_info); | |
5958 | } | |
5959 | ||
5960 | int RGWRados::select_legacy_bucket_placement(RGWZonePlacementInfo *rule_info) | |
5961 | { | |
5962 | bufferlist map_bl; | |
5963 | map<string, bufferlist> m; | |
5964 | string pool_name; | |
5965 | bool write_map = false; | |
5966 | ||
5967 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5968 | ||
5969 | RGWObjectCtx obj_ctx(this); | |
5970 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, avail_pools, map_bl, NULL, NULL); | |
5971 | if (ret < 0) { | |
5972 | goto read_omap; | |
5973 | } | |
5974 | ||
5975 | try { | |
5976 | bufferlist::iterator iter = map_bl.begin(); | |
5977 | ::decode(m, iter); | |
5978 | } catch (buffer::error& err) { | |
5979 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5980 | } | |
5981 | ||
5982 | read_omap: | |
5983 | if (m.empty()) { | |
5984 | bufferlist header; | |
5985 | ret = omap_get_all(obj, header, m); | |
5986 | ||
5987 | write_map = true; | |
5988 | } | |
5989 | ||
5990 | if (ret < 0 || m.empty()) { | |
5991 | vector<rgw_pool> pools; | |
5992 | string s = string("default.") + default_storage_pool_suffix; | |
5993 | pools.push_back(rgw_pool(s)); | |
5994 | vector<int> retcodes; | |
5995 | bufferlist bl; | |
5996 | ret = create_pools(pools, retcodes); | |
5997 | if (ret < 0) | |
5998 | return ret; | |
5999 | ret = omap_set(obj, s, bl); | |
6000 | if (ret < 0) | |
6001 | return ret; | |
6002 | m[s] = bl; | |
6003 | } | |
6004 | ||
6005 | if (write_map) { | |
6006 | bufferlist new_bl; | |
6007 | ::encode(m, new_bl); | |
6008 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
6009 | if (ret < 0) { | |
6010 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
6011 | } | |
6012 | } | |
6013 | ||
6014 | map<string, bufferlist>::iterator miter; | |
6015 | if (m.size() > 1) { | |
6016 | vector<string> v; | |
6017 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
6018 | v.push_back(miter->first); | |
6019 | } | |
6020 | ||
6021 | uint32_t r; | |
6022 | ret = get_random_bytes((char *)&r, sizeof(r)); | |
6023 | if (ret < 0) | |
6024 | return ret; | |
6025 | ||
6026 | int i = r % v.size(); | |
6027 | pool_name = v[i]; | |
6028 | } else { | |
6029 | miter = m.begin(); | |
6030 | pool_name = miter->first; | |
6031 | } | |
6032 | ||
6033 | rule_info->data_pool = pool_name; | |
6034 | rule_info->data_extra_pool = pool_name; | |
6035 | rule_info->index_pool = pool_name; | |
6036 | rule_info->index_type = RGWBIType_Normal; | |
6037 | ||
6038 | return 0; | |
6039 | } | |
6040 | ||
6041 | bool RGWRados::get_obj_data_pool(const string& placement_rule, const rgw_obj& obj, rgw_pool *pool) | |
6042 | { | |
6043 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_rule, obj, pool); | |
6044 | } | |
6045 | ||
6046 | bool RGWRados::obj_to_raw(const string& placement_rule, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
6047 | { | |
6048 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
6049 | ||
6050 | return get_obj_data_pool(placement_rule, obj, &raw_obj->pool); | |
6051 | } | |
6052 | ||
6053 | int RGWRados::update_placement_map() | |
6054 | { | |
6055 | bufferlist header; | |
6056 | map<string, bufferlist> m; | |
6057 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6058 | int ret = omap_get_all(obj, header, m); | |
6059 | if (ret < 0) | |
6060 | return ret; | |
6061 | ||
6062 | bufferlist new_bl; | |
6063 | ::encode(m, new_bl); | |
6064 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
6065 | if (ret < 0) { | |
6066 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
6067 | } | |
6068 | ||
6069 | return ret; | |
6070 | } | |
6071 | ||
6072 | int RGWRados::add_bucket_placement(const rgw_pool& new_pool) | |
6073 | { | |
6074 | librados::Rados *rad = get_rados_handle(); | |
6075 | int ret = rad->pool_lookup(new_pool.name.c_str()); | |
6076 | if (ret < 0) // DNE, or something | |
6077 | return ret; | |
6078 | ||
6079 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6080 | bufferlist empty_bl; | |
6081 | ret = omap_set(obj, new_pool.to_str(), empty_bl); | |
6082 | ||
6083 | // don't care about return value | |
6084 | update_placement_map(); | |
6085 | ||
6086 | return ret; | |
6087 | } | |
6088 | ||
6089 | int RGWRados::remove_bucket_placement(const rgw_pool& old_pool) | |
6090 | { | |
6091 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6092 | int ret = omap_del(obj, old_pool.to_str()); | |
6093 | ||
6094 | // don't care about return value | |
6095 | update_placement_map(); | |
6096 | ||
6097 | return ret; | |
6098 | } | |
6099 | ||
6100 | int RGWRados::list_placement_set(set<rgw_pool>& names) | |
6101 | { | |
6102 | bufferlist header; | |
6103 | map<string, bufferlist> m; | |
6104 | ||
6105 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6106 | int ret = omap_get_all(obj, header, m); | |
6107 | if (ret < 0) | |
6108 | return ret; | |
6109 | ||
6110 | names.clear(); | |
6111 | map<string, bufferlist>::iterator miter; | |
6112 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
6113 | names.insert(rgw_pool(miter->first)); | |
6114 | } | |
6115 | ||
6116 | return names.size(); | |
6117 | } | |
6118 | ||
6119 | int RGWRados::create_pools(vector<rgw_pool>& pools, vector<int>& retcodes) | |
6120 | { | |
6121 | vector<librados::PoolAsyncCompletion *> completions; | |
6122 | vector<int> rets; | |
6123 | ||
6124 | librados::Rados *rad = get_rados_handle(); | |
6125 | for (auto iter = pools.begin(); iter != pools.end(); ++iter) { | |
6126 | librados::PoolAsyncCompletion *c = librados::Rados::pool_async_create_completion(); | |
6127 | completions.push_back(c); | |
6128 | rgw_pool& pool = *iter; | |
6129 | int ret = rad->pool_create_async(pool.name.c_str(), c); | |
6130 | rets.push_back(ret); | |
6131 | } | |
6132 | ||
6133 | vector<int>::iterator riter; | |
6134 | vector<librados::PoolAsyncCompletion *>::iterator citer; | |
6135 | ||
6136 | assert(rets.size() == completions.size()); | |
6137 | for (riter = rets.begin(), citer = completions.begin(); riter != rets.end(); ++riter, ++citer) { | |
6138 | int r = *riter; | |
6139 | PoolAsyncCompletion *c = *citer; | |
6140 | if (r == 0) { | |
6141 | c->wait(); | |
6142 | r = c->get_return_value(); | |
6143 | if (r < 0) { | |
6144 | ldout(cct, 0) << "WARNING: async pool_create returned " << r << dendl; | |
6145 | } | |
6146 | } | |
6147 | c->release(); | |
6148 | retcodes.push_back(r); | |
6149 | } | |
6150 | return 0; | |
6151 | } | |
6152 | ||
6153 | int RGWRados::get_obj_head_ioctx(const RGWBucketInfo& bucket_info, const rgw_obj& obj, librados::IoCtx *ioctx) | |
6154 | { | |
6155 | string oid, key; | |
6156 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
6157 | ||
6158 | rgw_pool pool; | |
6159 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
6160 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
6161 | return -EIO; | |
6162 | } | |
6163 | ||
6164 | int r = open_pool_ctx(pool, *ioctx); | |
6165 | if (r < 0) { | |
6166 | return r; | |
6167 | } | |
6168 | ||
6169 | ioctx->locator_set_key(key); | |
6170 | ||
6171 | return 0; | |
6172 | } | |
6173 | ||
6174 | int RGWRados::get_obj_head_ref(const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_rados_ref *ref) | |
6175 | { | |
6176 | get_obj_bucket_and_oid_loc(obj, ref->oid, ref->key); | |
6177 | ||
6178 | rgw_pool pool; | |
6179 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
6180 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
6181 | return -EIO; | |
6182 | } | |
6183 | ||
6184 | int r = open_pool_ctx(pool, ref->ioctx); | |
6185 | if (r < 0) { | |
6186 | return r; | |
6187 | } | |
6188 | ||
6189 | ref->ioctx.locator_set_key(ref->key); | |
6190 | ||
6191 | return 0; | |
6192 | } | |
6193 | ||
224ce89b | 6194 | int RGWRados::get_raw_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref) |
7c673cae FG |
6195 | { |
6196 | ref->oid = obj.oid; | |
6197 | ref->key = obj.loc; | |
6198 | ||
6199 | int r; | |
6200 | ||
6201 | if (ref->oid.empty()) { | |
6202 | ref->oid = obj.pool.to_str(); | |
6203 | ref->pool = get_zone_params().domain_root; | |
6204 | } else { | |
6205 | ref->pool = obj.pool; | |
6206 | } | |
7c673cae FG |
6207 | r = open_pool_ctx(ref->pool, ref->ioctx); |
6208 | if (r < 0) | |
6209 | return r; | |
6210 | ||
6211 | ref->ioctx.locator_set_key(ref->key); | |
6212 | ||
6213 | return 0; | |
6214 | } | |
6215 | ||
224ce89b | 6216 | int RGWRados::get_system_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref) |
7c673cae | 6217 | { |
224ce89b | 6218 | return get_raw_obj_ref(obj, ref); |
7c673cae FG |
6219 | } |
6220 | ||
6221 | /* | |
6222 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
6223 | * up without one | |
6224 | */ | |
6225 | int RGWRados::fix_head_obj_locator(const RGWBucketInfo& bucket_info, bool copy_obj, bool remove_bad, rgw_obj_key& key) | |
6226 | { | |
6227 | const rgw_bucket& bucket = bucket_info.bucket; | |
6228 | string oid; | |
6229 | string locator; | |
6230 | ||
6231 | rgw_obj obj(bucket, key); | |
6232 | ||
6233 | get_obj_bucket_and_oid_loc(obj, oid, locator); | |
6234 | ||
6235 | if (locator.empty()) { | |
6236 | ldout(cct, 20) << "object does not have a locator, nothing to fix" << dendl; | |
6237 | return 0; | |
6238 | } | |
6239 | ||
6240 | librados::IoCtx ioctx; | |
6241 | ||
6242 | int ret = get_obj_head_ioctx(bucket_info, obj, &ioctx); | |
6243 | if (ret < 0) { | |
6244 | cerr << "ERROR: get_obj_head_ioctx() returned ret=" << ret << std::endl; | |
6245 | return ret; | |
6246 | } | |
6247 | ioctx.locator_set_key(string()); /* override locator for this object, use empty locator */ | |
6248 | ||
6249 | uint64_t size; | |
6250 | bufferlist data; | |
6251 | ||
6252 | struct timespec mtime_ts; | |
6253 | map<string, bufferlist> attrs; | |
6254 | librados::ObjectReadOperation op; | |
6255 | op.getxattrs(&attrs, NULL); | |
6256 | op.stat2(&size, &mtime_ts, NULL); | |
6257 | #define HEAD_SIZE 512 * 1024 | |
6258 | op.read(0, HEAD_SIZE, &data, NULL); | |
6259 | ||
6260 | ret = ioctx.operate(oid, &op, NULL); | |
6261 | if (ret < 0) { | |
6262 | lderr(cct) << "ERROR: ioctx.operate(oid=" << oid << ") returned ret=" << ret << dendl; | |
6263 | return ret; | |
6264 | } | |
6265 | ||
6266 | if (size > HEAD_SIZE) { | |
6267 | lderr(cct) << "ERROR: returned object size (" << size << ") > HEAD_SIZE (" << HEAD_SIZE << ")" << dendl; | |
6268 | return -EIO; | |
6269 | } | |
6270 | ||
6271 | if (size != data.length()) { | |
6272 | lderr(cct) << "ERROR: returned object size (" << size << ") != data.length() (" << data.length() << ")" << dendl; | |
6273 | return -EIO; | |
6274 | } | |
6275 | ||
6276 | if (copy_obj) { | |
6277 | librados::ObjectWriteOperation wop; | |
6278 | ||
6279 | wop.mtime2(&mtime_ts); | |
6280 | ||
6281 | map<string, bufferlist>::iterator iter; | |
6282 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6283 | wop.setxattr(iter->first.c_str(), iter->second); | |
6284 | } | |
6285 | ||
6286 | wop.write(0, data); | |
6287 | ||
6288 | ioctx.locator_set_key(locator); | |
6289 | ioctx.operate(oid, &wop); | |
6290 | } | |
6291 | ||
6292 | if (remove_bad) { | |
6293 | ioctx.locator_set_key(string()); | |
6294 | ||
6295 | ret = ioctx.remove(oid); | |
6296 | if (ret < 0) { | |
6297 | lderr(cct) << "ERROR: failed to remove original bad object" << dendl; | |
6298 | return ret; | |
6299 | } | |
6300 | } | |
6301 | ||
6302 | return 0; | |
6303 | } | |
6304 | ||
6305 | int RGWRados::move_rados_obj(librados::IoCtx& src_ioctx, | |
6306 | const string& src_oid, const string& src_locator, | |
6307 | librados::IoCtx& dst_ioctx, | |
6308 | const string& dst_oid, const string& dst_locator) | |
6309 | { | |
6310 | ||
6311 | #define COPY_BUF_SIZE (4 * 1024 * 1024) | |
6312 | bool done = false; | |
6313 | uint64_t chunk_size = COPY_BUF_SIZE; | |
6314 | uint64_t ofs = 0; | |
6315 | int ret = 0; | |
6316 | real_time mtime; | |
6317 | struct timespec mtime_ts; | |
6318 | uint64_t size; | |
6319 | ||
6320 | if (src_oid == dst_oid && src_locator == dst_locator) { | |
6321 | return 0; | |
6322 | } | |
6323 | ||
6324 | src_ioctx.locator_set_key(src_locator); | |
6325 | dst_ioctx.locator_set_key(dst_locator); | |
6326 | ||
6327 | do { | |
6328 | bufferlist data; | |
6329 | ObjectReadOperation rop; | |
6330 | ObjectWriteOperation wop; | |
6331 | ||
6332 | if (ofs == 0) { | |
6333 | rop.stat2(&size, &mtime_ts, NULL); | |
6334 | mtime = real_clock::from_timespec(mtime_ts); | |
6335 | } | |
6336 | rop.read(ofs, chunk_size, &data, NULL); | |
6337 | ret = src_ioctx.operate(src_oid, &rop, NULL); | |
6338 | if (ret < 0) { | |
6339 | goto done_err; | |
6340 | } | |
6341 | ||
6342 | if (data.length() == 0) { | |
6343 | break; | |
6344 | } | |
6345 | ||
6346 | if (ofs == 0) { | |
6347 | wop.create(true); /* make it exclusive */ | |
6348 | wop.mtime2(&mtime_ts); | |
6349 | mtime = real_clock::from_timespec(mtime_ts); | |
6350 | } | |
6351 | wop.write(ofs, data); | |
6352 | ret = dst_ioctx.operate(dst_oid, &wop); | |
6353 | ofs += data.length(); | |
6354 | done = data.length() != chunk_size; | |
6355 | } while (!done); | |
6356 | ||
6357 | if (ofs != size) { | |
6358 | lderr(cct) << "ERROR: " << __func__ << ": copying " << src_oid << " -> " << dst_oid | |
6359 | << ": expected " << size << " bytes to copy, ended up with " << ofs << dendl; | |
6360 | ret = -EIO; | |
6361 | goto done_err; | |
6362 | } | |
6363 | ||
6364 | src_ioctx.remove(src_oid); | |
6365 | ||
6366 | return 0; | |
6367 | ||
6368 | done_err: | |
6369 | lderr(cct) << "ERROR: failed to copy " << src_oid << " -> " << dst_oid << dendl; | |
6370 | return ret; | |
6371 | } | |
6372 | ||
6373 | /* | |
6374 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
6375 | * up without one | |
6376 | */ | |
6377 | int RGWRados::fix_tail_obj_locator(const RGWBucketInfo& bucket_info, rgw_obj_key& key, bool fix, bool *need_fix) | |
6378 | { | |
6379 | const rgw_bucket& bucket = bucket_info.bucket; | |
6380 | rgw_obj obj(bucket, key); | |
6381 | ||
6382 | if (need_fix) { | |
6383 | *need_fix = false; | |
6384 | } | |
6385 | ||
6386 | rgw_rados_ref ref; | |
6387 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
6388 | if (r < 0) { | |
6389 | return r; | |
6390 | } | |
6391 | ||
6392 | RGWObjState *astate = NULL; | |
6393 | RGWObjectCtx rctx(this); | |
6394 | r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
6395 | if (r < 0) | |
6396 | return r; | |
6397 | ||
6398 | if (astate->has_manifest) { | |
6399 | RGWObjManifest::obj_iterator miter; | |
6400 | RGWObjManifest& manifest = astate->manifest; | |
6401 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
6402 | rgw_raw_obj raw_loc = miter.get_location().get_raw_obj(this); | |
6403 | rgw_obj loc; | |
6404 | string oid; | |
6405 | string locator; | |
6406 | ||
6407 | rgw_raw_obj_to_obj(manifest.get_tail_placement().bucket, raw_loc, &loc); | |
6408 | ||
6409 | if (loc.key.ns.empty()) { | |
6410 | /* continue, we're only interested in tail objects */ | |
6411 | continue; | |
6412 | } | |
6413 | ||
6414 | get_obj_bucket_and_oid_loc(loc, oid, locator); | |
6415 | ref.ioctx.locator_set_key(locator); | |
6416 | ||
6417 | ldout(cct, 20) << __func__ << ": key=" << key << " oid=" << oid << " locator=" << locator << dendl; | |
6418 | ||
6419 | r = ref.ioctx.stat(oid, NULL, NULL); | |
6420 | if (r != -ENOENT) { | |
6421 | continue; | |
6422 | } | |
6423 | ||
6424 | string bad_loc; | |
6425 | prepend_bucket_marker(bucket, loc.key.name, bad_loc); | |
6426 | ||
6427 | /* create a new ioctx with the bad locator */ | |
6428 | librados::IoCtx src_ioctx; | |
6429 | src_ioctx.dup(ref.ioctx); | |
6430 | src_ioctx.locator_set_key(bad_loc); | |
6431 | ||
6432 | r = src_ioctx.stat(oid, NULL, NULL); | |
6433 | if (r != 0) { | |
6434 | /* cannot find a broken part */ | |
6435 | continue; | |
6436 | } | |
6437 | ldout(cct, 20) << __func__ << ": found bad object part: " << loc << dendl; | |
6438 | if (need_fix) { | |
6439 | *need_fix = true; | |
6440 | } | |
6441 | if (fix) { | |
6442 | r = move_rados_obj(src_ioctx, oid, bad_loc, ref.ioctx, oid, locator); | |
6443 | if (r < 0) { | |
6444 | lderr(cct) << "ERROR: copy_rados_obj() on oid=" << oid << " returned r=" << r << dendl; | |
6445 | } | |
6446 | } | |
6447 | } | |
6448 | } | |
6449 | ||
6450 | return 0; | |
6451 | } | |
6452 | ||
6453 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, const rgw_obj& obj) | |
6454 | { | |
6455 | bucket = _bucket; | |
6456 | ||
6457 | RGWObjectCtx obj_ctx(store); | |
6458 | ||
6459 | RGWBucketInfo bucket_info; | |
6460 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6461 | if (ret < 0) { | |
6462 | return ret; | |
6463 | } | |
6464 | ||
6465 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, obj.get_hash_object(), &bucket_obj, &shard_id); | |
6466 | if (ret < 0) { | |
6467 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6468 | return ret; | |
6469 | } | |
6470 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6471 | ||
6472 | return 0; | |
6473 | } | |
6474 | ||
6475 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, int sid) | |
6476 | { | |
6477 | bucket = _bucket; | |
6478 | shard_id = sid; | |
6479 | ||
6480 | RGWObjectCtx obj_ctx(store); | |
6481 | ||
6482 | RGWBucketInfo bucket_info; | |
6483 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6484 | if (ret < 0) { | |
6485 | return ret; | |
6486 | } | |
6487 | ||
6488 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, shard_id, &bucket_obj); | |
6489 | if (ret < 0) { | |
6490 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6491 | return ret; | |
6492 | } | |
6493 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6494 | ||
6495 | return 0; | |
6496 | } | |
6497 | ||
6498 | ||
6499 | /* Execute @handler on last item in bucket listing for bucket specified | |
6500 | * in @bucket_info. @obj_prefix and @obj_delim narrow down the listing | |
6501 | * to objects matching these criterias. */ | |
6502 | int RGWRados::on_last_entry_in_listing(RGWBucketInfo& bucket_info, | |
6503 | const std::string& obj_prefix, | |
6504 | const std::string& obj_delim, | |
6505 | std::function<int(const rgw_bucket_dir_entry&)> handler) | |
6506 | { | |
6507 | RGWRados::Bucket target(this, bucket_info); | |
6508 | RGWRados::Bucket::List list_op(&target); | |
6509 | ||
6510 | list_op.params.prefix = obj_prefix; | |
6511 | list_op.params.delim = obj_delim; | |
6512 | ||
6513 | ldout(cct, 20) << "iterating listing for bucket=" << bucket_info.bucket.name | |
6514 | << ", obj_prefix=" << obj_prefix | |
6515 | << ", obj_delim=" << obj_delim | |
6516 | << dendl; | |
6517 | ||
6518 | bool is_truncated = false; | |
6519 | ||
6520 | boost::optional<rgw_bucket_dir_entry> last_entry; | |
6521 | /* We need to rewind to the last object in a listing. */ | |
6522 | do { | |
6523 | /* List bucket entries in chunks. */ | |
6524 | static constexpr int MAX_LIST_OBJS = 100; | |
6525 | std::vector<rgw_bucket_dir_entry> entries(MAX_LIST_OBJS); | |
6526 | ||
6527 | int ret = list_op.list_objects(MAX_LIST_OBJS, &entries, nullptr, | |
6528 | &is_truncated); | |
6529 | if (ret < 0) { | |
6530 | return ret; | |
6531 | } else if (!entries.empty()) { | |
6532 | last_entry = entries.back(); | |
6533 | } | |
6534 | } while (is_truncated); | |
6535 | ||
6536 | if (last_entry) { | |
6537 | return handler(*last_entry); | |
6538 | } | |
6539 | ||
6540 | /* Empty listing - no items we can run handler on. */ | |
6541 | return 0; | |
6542 | } | |
6543 | ||
6544 | ||
6545 | int RGWRados::swift_versioning_copy(RGWObjectCtx& obj_ctx, | |
6546 | const rgw_user& user, | |
6547 | RGWBucketInfo& bucket_info, | |
6548 | rgw_obj& obj) | |
6549 | { | |
6550 | if (! swift_versioning_enabled(bucket_info)) { | |
6551 | return 0; | |
6552 | } | |
6553 | ||
6554 | obj_ctx.obj.set_atomic(obj); | |
6555 | ||
6556 | RGWObjState * state = nullptr; | |
6557 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &state, false); | |
6558 | if (r < 0) { | |
6559 | return r; | |
6560 | } | |
6561 | ||
6562 | if (!state->exists) { | |
6563 | return 0; | |
6564 | } | |
6565 | ||
6566 | string client_id; | |
6567 | string op_id; | |
6568 | ||
6569 | const string& src_name = obj.get_oid(); | |
6570 | char buf[src_name.size() + 32]; | |
6571 | struct timespec ts = ceph::real_clock::to_timespec(state->mtime); | |
6572 | snprintf(buf, sizeof(buf), "%03x%s/%lld.%06ld", (int)src_name.size(), | |
6573 | src_name.c_str(), (long long)ts.tv_sec, ts.tv_nsec / 1000); | |
6574 | ||
6575 | RGWBucketInfo dest_bucket_info; | |
6576 | ||
6577 | r = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, bucket_info.swift_ver_location, dest_bucket_info, NULL, NULL); | |
6578 | if (r < 0) { | |
6579 | ldout(cct, 10) << "failed to read dest bucket info: r=" << r << dendl; | |
6580 | if (r == -ENOENT) { | |
6581 | return -ERR_PRECONDITION_FAILED; | |
6582 | } | |
6583 | return r; | |
6584 | } | |
6585 | ||
6586 | if (dest_bucket_info.owner != bucket_info.owner) { | |
6587 | return -ERR_PRECONDITION_FAILED; | |
6588 | } | |
6589 | ||
6590 | rgw_obj dest_obj(dest_bucket_info.bucket, buf); | |
6591 | obj_ctx.obj.set_atomic(dest_obj); | |
6592 | ||
6593 | string no_zone; | |
6594 | ||
6595 | r = copy_obj(obj_ctx, | |
6596 | user, | |
6597 | client_id, | |
6598 | op_id, | |
6599 | NULL, /* req_info *info */ | |
6600 | no_zone, | |
6601 | dest_obj, | |
6602 | obj, | |
6603 | dest_bucket_info, | |
6604 | bucket_info, | |
6605 | NULL, /* time_t *src_mtime */ | |
6606 | NULL, /* time_t *mtime */ | |
6607 | NULL, /* const time_t *mod_ptr */ | |
6608 | NULL, /* const time_t *unmod_ptr */ | |
6609 | false, /* bool high_precision_time */ | |
6610 | NULL, /* const char *if_match */ | |
6611 | NULL, /* const char *if_nomatch */ | |
6612 | RGWRados::ATTRSMOD_NONE, | |
6613 | true, /* bool copy_if_newer */ | |
6614 | state->attrset, | |
6615 | RGW_OBJ_CATEGORY_MAIN, | |
6616 | 0, /* uint64_t olh_epoch */ | |
6617 | real_time(), /* time_t delete_at */ | |
6618 | NULL, /* string *version_id */ | |
6619 | NULL, /* string *ptag */ | |
6620 | NULL, /* string *petag */ | |
7c673cae FG |
6621 | NULL, /* void (*progress_cb)(off_t, void *) */ |
6622 | NULL); /* void *progress_data */ | |
6623 | if (r == -ECANCELED || r == -ENOENT) { | |
6624 | /* Has already been overwritten, meaning another rgw process already | |
6625 | * copied it out */ | |
6626 | return 0; | |
6627 | } | |
6628 | ||
6629 | return r; | |
6630 | } | |
6631 | ||
6632 | int RGWRados::swift_versioning_restore(RGWObjectCtx& obj_ctx, | |
6633 | const rgw_user& user, | |
6634 | RGWBucketInfo& bucket_info, | |
6635 | rgw_obj& obj, | |
6636 | bool& restored) /* out */ | |
6637 | { | |
6638 | if (! swift_versioning_enabled(bucket_info)) { | |
6639 | return 0; | |
6640 | } | |
6641 | ||
6642 | /* Bucket info of the bucket that stores previous versions of our object. */ | |
6643 | RGWBucketInfo archive_binfo; | |
6644 | ||
6645 | int ret = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, | |
6646 | bucket_info.swift_ver_location, archive_binfo, | |
6647 | nullptr, nullptr); | |
6648 | if (ret < 0) { | |
6649 | return ret; | |
6650 | } | |
6651 | ||
6652 | /* Abort the operation if the bucket storing our archive belongs to someone | |
6653 | * else. This is a limitation in comparison to Swift as we aren't taking ACLs | |
6654 | * into consideration. For we can live with that. | |
6655 | * | |
6656 | * TODO: delegate this check to un upper layer and compare with ACLs. */ | |
6657 | if (bucket_info.owner != archive_binfo.owner) { | |
6658 | return -EPERM; | |
6659 | } | |
6660 | ||
6661 | /* This code will be executed on latest version of the object. */ | |
6662 | const auto handler = [&](const rgw_bucket_dir_entry& entry) -> int { | |
6663 | std::string no_client_id; | |
6664 | std::string no_op_id; | |
6665 | std::string no_zone; | |
6666 | ||
6667 | /* We don't support object versioning of Swift API on those buckets that | |
6668 | * are already versioned using the S3 mechanism. This affects also bucket | |
6669 | * storing archived objects. Otherwise the delete operation would create | |
6670 | * a deletion marker. */ | |
6671 | if (archive_binfo.versioned()) { | |
6672 | restored = false; | |
6673 | return -ERR_PRECONDITION_FAILED; | |
6674 | } | |
6675 | ||
6676 | /* We are requesting ATTRSMOD_NONE so the attr attribute is perfectly | |
6677 | * irrelevant and may be safely skipped. */ | |
6678 | std::map<std::string, ceph::bufferlist> no_attrs; | |
6679 | ||
6680 | rgw_obj archive_obj(archive_binfo.bucket, entry.key); | |
6681 | obj_ctx.obj.set_atomic(archive_obj); | |
6682 | obj_ctx.obj.set_atomic(obj); | |
6683 | ||
6684 | int ret = copy_obj(obj_ctx, | |
6685 | user, | |
6686 | no_client_id, | |
6687 | no_op_id, | |
6688 | nullptr, /* req_info *info */ | |
6689 | no_zone, | |
6690 | obj, /* dest obj */ | |
6691 | archive_obj, /* src obj */ | |
6692 | bucket_info, /* dest bucket info */ | |
6693 | archive_binfo, /* src bucket info */ | |
6694 | nullptr, /* time_t *src_mtime */ | |
6695 | nullptr, /* time_t *mtime */ | |
6696 | nullptr, /* const time_t *mod_ptr */ | |
6697 | nullptr, /* const time_t *unmod_ptr */ | |
6698 | false, /* bool high_precision_time */ | |
6699 | nullptr, /* const char *if_match */ | |
6700 | nullptr, /* const char *if_nomatch */ | |
6701 | RGWRados::ATTRSMOD_NONE, | |
6702 | true, /* bool copy_if_newer */ | |
6703 | no_attrs, | |
6704 | RGW_OBJ_CATEGORY_MAIN, | |
6705 | 0, /* uint64_t olh_epoch */ | |
6706 | real_time(), /* time_t delete_at */ | |
6707 | nullptr, /* string *version_id */ | |
6708 | nullptr, /* string *ptag */ | |
6709 | nullptr, /* string *petag */ | |
7c673cae FG |
6710 | nullptr, /* void (*progress_cb)(off_t, void *) */ |
6711 | nullptr); /* void *progress_data */ | |
6712 | if (ret == -ECANCELED || ret == -ENOENT) { | |
6713 | /* Has already been overwritten, meaning another rgw process already | |
6714 | * copied it out */ | |
6715 | return 0; | |
6716 | } else if (ret < 0) { | |
6717 | return ret; | |
6718 | } else { | |
6719 | restored = true; | |
6720 | } | |
6721 | ||
6722 | /* Need to remove the archived copy. */ | |
6723 | ret = delete_obj(obj_ctx, archive_binfo, archive_obj, | |
6724 | archive_binfo.versioning_status()); | |
6725 | ||
6726 | return ret; | |
6727 | }; | |
6728 | ||
6729 | const std::string& obj_name = obj.get_oid(); | |
6730 | const auto prefix = boost::str(boost::format("%03x%s") % obj_name.size() | |
6731 | % obj_name); | |
6732 | ||
6733 | return on_last_entry_in_listing(archive_binfo, prefix, std::string(), | |
6734 | handler); | |
6735 | } | |
6736 | ||
6737 | /** | |
6738 | * Write/overwrite an object to the bucket storage. | |
6739 | * bucket: the bucket to store the object in | |
6740 | * obj: the object name/key | |
6741 | * data: the object contents/value | |
6742 | * size: the amount of data to write (data must be this long) | |
6743 | * accounted_size: original size of data before compression, encryption | |
6744 | * mtime: if non-NULL, writes the given mtime to the bucket storage | |
6745 | * attrs: all the given attrs are written to bucket storage for the given object | |
6746 | * exclusive: create object exclusively | |
6747 | * Returns: 0 on success, -ERR# otherwise. | |
6748 | */ | |
6749 | int RGWRados::Object::Write::_do_write_meta(uint64_t size, uint64_t accounted_size, | |
6750 | map<string, bufferlist>& attrs, bool assume_noent, | |
6751 | void *_index_op) | |
6752 | { | |
6753 | RGWRados::Bucket::UpdateIndex *index_op = static_cast<RGWRados::Bucket::UpdateIndex *>(_index_op); | |
7c673cae FG |
6754 | RGWRados *store = target->get_store(); |
6755 | ||
6756 | ObjectWriteOperation op; | |
6757 | ||
6758 | RGWObjState *state; | |
6759 | int r = target->get_state(&state, false, assume_noent); | |
6760 | if (r < 0) | |
6761 | return r; | |
6762 | ||
6763 | rgw_obj& obj = target->get_obj(); | |
6764 | ||
6765 | if (obj.get_oid().empty()) { | |
6766 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << "(): cannot write object with empty name" << dendl; | |
6767 | return -EIO; | |
6768 | } | |
6769 | ||
224ce89b | 6770 | rgw_rados_ref ref; |
7c673cae FG |
6771 | r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); |
6772 | if (r < 0) | |
6773 | return r; | |
6774 | ||
6775 | bool is_olh = state->is_olh; | |
6776 | ||
6777 | bool reset_obj = (meta.flags & PUT_OBJ_CREATE) != 0; | |
6778 | ||
6779 | const string *ptag = meta.ptag; | |
6780 | if (!ptag && !index_op->get_optag()->empty()) { | |
6781 | ptag = index_op->get_optag(); | |
6782 | } | |
6783 | r = target->prepare_atomic_modification(op, reset_obj, ptag, meta.if_match, meta.if_nomatch, false); | |
6784 | if (r < 0) | |
6785 | return r; | |
6786 | ||
6787 | if (real_clock::is_zero(meta.set_mtime)) { | |
6788 | meta.set_mtime = real_clock::now(); | |
6789 | } | |
6790 | ||
6791 | if (state->is_olh) { | |
6792 | op.setxattr(RGW_ATTR_OLH_ID_TAG, state->olh_tag); | |
6793 | } | |
6794 | ||
6795 | struct timespec mtime_ts = real_clock::to_timespec(meta.set_mtime); | |
6796 | op.mtime2(&mtime_ts); | |
6797 | ||
6798 | if (meta.data) { | |
6799 | /* if we want to overwrite the data, we also want to overwrite the | |
6800 | xattrs, so just remove the object */ | |
6801 | op.write_full(*meta.data); | |
6802 | } | |
6803 | ||
6804 | string etag; | |
6805 | string content_type; | |
6806 | bufferlist acl_bl; | |
6807 | ||
6808 | map<string, bufferlist>::iterator iter; | |
6809 | if (meta.rmattrs) { | |
6810 | for (iter = meta.rmattrs->begin(); iter != meta.rmattrs->end(); ++iter) { | |
6811 | const string& name = iter->first; | |
6812 | op.rmxattr(name.c_str()); | |
6813 | } | |
6814 | } | |
6815 | ||
6816 | if (meta.manifest) { | |
6817 | /* remove existing manifest attr */ | |
6818 | iter = attrs.find(RGW_ATTR_MANIFEST); | |
6819 | if (iter != attrs.end()) | |
6820 | attrs.erase(iter); | |
6821 | ||
6822 | bufferlist bl; | |
6823 | ::encode(*meta.manifest, bl); | |
6824 | op.setxattr(RGW_ATTR_MANIFEST, bl); | |
6825 | } | |
6826 | ||
6827 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6828 | const string& name = iter->first; | |
6829 | bufferlist& bl = iter->second; | |
6830 | ||
6831 | if (!bl.length()) | |
6832 | continue; | |
6833 | ||
6834 | op.setxattr(name.c_str(), bl); | |
6835 | ||
6836 | if (name.compare(RGW_ATTR_ETAG) == 0) { | |
6837 | etag = bl.c_str(); | |
6838 | } else if (name.compare(RGW_ATTR_CONTENT_TYPE) == 0) { | |
6839 | content_type = bl.c_str(); | |
6840 | } else if (name.compare(RGW_ATTR_ACL) == 0) { | |
6841 | acl_bl = bl; | |
6842 | } | |
6843 | } | |
6844 | if (attrs.find(RGW_ATTR_PG_VER) == attrs.end()) { | |
6845 | cls_rgw_obj_store_pg_ver(op, RGW_ATTR_PG_VER); | |
6846 | } | |
6847 | ||
6848 | if (attrs.find(RGW_ATTR_SOURCE_ZONE) == attrs.end()) { | |
6849 | bufferlist bl; | |
6850 | ::encode(store->get_zone_short_id(), bl); | |
6851 | op.setxattr(RGW_ATTR_SOURCE_ZONE, bl); | |
6852 | } | |
6853 | ||
6854 | if (!op.size()) | |
6855 | return 0; | |
6856 | ||
6857 | uint64_t epoch; | |
6858 | int64_t poolid; | |
224ce89b WB |
6859 | bool orig_exists; |
6860 | uint64_t orig_size; | |
6861 | ||
6862 | if (!reset_obj) { //Multipart upload, it has immutable head. | |
6863 | orig_exists = false; | |
6864 | orig_size = 0; | |
6865 | } else { | |
6866 | orig_exists = state->exists; | |
6867 | orig_size = state->accounted_size; | |
6868 | } | |
7c673cae FG |
6869 | |
6870 | bool versioned_target = (meta.olh_epoch > 0 || !obj.key.instance.empty()); | |
6871 | ||
6872 | bool versioned_op = (target->versioning_enabled() || is_olh || versioned_target); | |
6873 | ||
6874 | if (versioned_op) { | |
6875 | index_op->set_bilog_flags(RGW_BILOG_FLAG_VERSIONED_OP); | |
6876 | } | |
6877 | ||
6878 | if (!index_op->is_prepared()) { | |
6879 | r = index_op->prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
6880 | if (r < 0) | |
6881 | return r; | |
6882 | } | |
6883 | ||
6884 | r = ref.ioctx.operate(ref.oid, &op); | |
6885 | if (r < 0) { /* we can expect to get -ECANCELED if object was replaced under, | |
6886 | or -ENOENT if was removed, or -EEXIST if it did not exist | |
6887 | before and now it does */ | |
6888 | if (r == -EEXIST && assume_noent) { | |
6889 | target->invalidate_state(); | |
6890 | return r; | |
6891 | } | |
6892 | goto done_cancel; | |
6893 | } | |
6894 | ||
6895 | epoch = ref.ioctx.get_last_version(); | |
6896 | poolid = ref.ioctx.get_id(); | |
6897 | ||
6898 | r = target->complete_atomic_modification(); | |
6899 | if (r < 0) { | |
6900 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned r=" << r << dendl; | |
6901 | } | |
6902 | ||
6903 | r = index_op->complete(poolid, epoch, size, accounted_size, | |
6904 | meta.set_mtime, etag, content_type, &acl_bl, | |
6905 | meta.category, meta.remove_objs, meta.user_data); | |
6906 | if (r < 0) | |
6907 | goto done_cancel; | |
6908 | ||
6909 | if (meta.mtime) { | |
6910 | *meta.mtime = meta.set_mtime; | |
6911 | } | |
6912 | ||
6913 | /* note that index_op was using state so we couldn't invalidate it earlier */ | |
6914 | target->invalidate_state(); | |
6915 | state = NULL; | |
6916 | ||
6917 | if (versioned_op) { | |
31f18b77 | 6918 | r = store->set_olh(target->get_ctx(), target->get_bucket_info(), obj, false, NULL, meta.olh_epoch, real_time(), false, meta.zones_trace); |
7c673cae FG |
6919 | if (r < 0) { |
6920 | return r; | |
6921 | } | |
6922 | } | |
6923 | ||
6924 | if (!real_clock::is_zero(meta.delete_at)) { | |
6925 | rgw_obj_index_key obj_key; | |
6926 | obj.key.get_index_key(&obj_key); | |
6927 | ||
6928 | r = store->objexp_hint_add(meta.delete_at, | |
6929 | obj.bucket.tenant, obj.bucket.name, obj.bucket.bucket_id, obj_key); | |
6930 | if (r < 0) { | |
6931 | ldout(store->ctx(), 0) << "ERROR: objexp_hint_add() returned r=" << r << ", object will not get removed" << dendl; | |
6932 | /* ignoring error, nothing we can do at this point */ | |
6933 | } | |
6934 | } | |
6935 | meta.canceled = false; | |
6936 | ||
6937 | /* update quota cache */ | |
6938 | store->quota_handler->update_stats(meta.owner, obj.bucket, (orig_exists ? 0 : 1), | |
6939 | accounted_size, orig_size); | |
6940 | return 0; | |
6941 | ||
6942 | done_cancel: | |
6943 | int ret = index_op->cancel(); | |
6944 | if (ret < 0) { | |
6945 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel()() returned ret=" << ret << dendl; | |
6946 | } | |
6947 | ||
6948 | meta.canceled = true; | |
6949 | ||
6950 | /* we lost in a race. There are a few options: | |
6951 | * - existing object was rewritten (ECANCELED) | |
6952 | * - non existing object was created (EEXIST) | |
6953 | * - object was removed (ENOENT) | |
6954 | * should treat it as a success | |
6955 | */ | |
6956 | if (meta.if_match == NULL && meta.if_nomatch == NULL) { | |
6957 | if (r == -ECANCELED || r == -ENOENT || r == -EEXIST) { | |
6958 | r = 0; | |
6959 | } | |
6960 | } else { | |
6961 | if (meta.if_match != NULL) { | |
6962 | // only overwrite existing object | |
6963 | if (strcmp(meta.if_match, "*") == 0) { | |
6964 | if (r == -ENOENT) { | |
6965 | r = -ERR_PRECONDITION_FAILED; | |
6966 | } else if (r == -ECANCELED) { | |
6967 | r = 0; | |
6968 | } | |
6969 | } | |
6970 | } | |
6971 | ||
6972 | if (meta.if_nomatch != NULL) { | |
6973 | // only create a new object | |
6974 | if (strcmp(meta.if_nomatch, "*") == 0) { | |
6975 | if (r == -EEXIST) { | |
6976 | r = -ERR_PRECONDITION_FAILED; | |
6977 | } else if (r == -ENOENT) { | |
6978 | r = 0; | |
6979 | } | |
6980 | } | |
6981 | } | |
6982 | } | |
6983 | ||
6984 | return r; | |
6985 | } | |
6986 | ||
6987 | int RGWRados::Object::Write::write_meta(uint64_t size, uint64_t accounted_size, | |
6988 | map<string, bufferlist>& attrs) | |
6989 | { | |
6990 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
6991 | ||
6992 | RGWRados::Bucket bop(target->get_store(), bucket_info); | |
6993 | RGWRados::Bucket::UpdateIndex index_op(&bop, target->get_obj()); | |
31f18b77 FG |
6994 | index_op.set_zones_trace(meta.zones_trace); |
6995 | ||
7c673cae FG |
6996 | bool assume_noent = (meta.if_match == NULL && meta.if_nomatch == NULL); |
6997 | int r; | |
6998 | if (assume_noent) { | |
6999 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
7000 | if (r == -EEXIST) { | |
7001 | assume_noent = false; | |
7002 | } | |
7003 | } | |
7004 | if (!assume_noent) { | |
7005 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
7006 | } | |
7007 | return r; | |
7008 | } | |
7009 | ||
7010 | /** Write/overwrite a system object. */ | |
7011 | int RGWRados::put_system_obj_impl(rgw_raw_obj& obj, uint64_t size, real_time *mtime, | |
7012 | map<std::string, bufferlist>& attrs, int flags, | |
7013 | bufferlist& data, | |
7014 | RGWObjVersionTracker *objv_tracker, | |
7015 | real_time set_mtime /* 0 for don't set */) | |
7016 | { | |
7c673cae | 7017 | rgw_rados_ref ref; |
224ce89b | 7018 | int r = get_system_obj_ref(obj, &ref); |
7c673cae FG |
7019 | if (r < 0) |
7020 | return r; | |
7021 | ||
7022 | ObjectWriteOperation op; | |
7023 | ||
7024 | if (flags & PUT_OBJ_EXCL) { | |
7025 | if (!(flags & PUT_OBJ_CREATE)) | |
7026 | return -EINVAL; | |
7027 | op.create(true); // exclusive create | |
7028 | } else { | |
7029 | op.remove(); | |
7030 | op.set_op_flags2(LIBRADOS_OP_FLAG_FAILOK); | |
7031 | op.create(false); | |
7032 | } | |
7033 | ||
7034 | if (objv_tracker) { | |
7035 | objv_tracker->prepare_op_for_write(&op); | |
7036 | } | |
7037 | ||
7038 | if (real_clock::is_zero(set_mtime)) { | |
7039 | set_mtime = real_clock::now(); | |
7040 | } | |
7041 | ||
7042 | struct timespec mtime_ts = real_clock::to_timespec(set_mtime); | |
7043 | op.mtime2(&mtime_ts); | |
7044 | op.write_full(data); | |
7045 | ||
7046 | bufferlist acl_bl; | |
7047 | ||
7048 | for (map<string, bufferlist>::iterator iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
7049 | const string& name = iter->first; | |
7050 | bufferlist& bl = iter->second; | |
7051 | ||
7052 | if (!bl.length()) | |
7053 | continue; | |
7054 | ||
7055 | op.setxattr(name.c_str(), bl); | |
7056 | } | |
7057 | ||
7058 | r = ref.ioctx.operate(ref.oid, &op); | |
7059 | if (r < 0) { | |
7060 | return r; | |
7061 | } | |
7062 | ||
7063 | if (objv_tracker) { | |
7064 | objv_tracker->apply_write(); | |
7065 | } | |
7066 | ||
7067 | if (mtime) { | |
7068 | *mtime = set_mtime; | |
7069 | } | |
7070 | ||
7071 | return 0; | |
7072 | } | |
7073 | ||
7074 | int RGWRados::put_system_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
7075 | off_t ofs, bool exclusive, | |
7076 | RGWObjVersionTracker *objv_tracker) | |
7077 | { | |
7078 | rgw_rados_ref ref; | |
224ce89b | 7079 | int r = get_system_obj_ref(obj, &ref); |
7c673cae FG |
7080 | if (r < 0) { |
7081 | return r; | |
7082 | } | |
7083 | ||
7084 | ObjectWriteOperation op; | |
7085 | ||
7086 | if (exclusive) | |
7087 | op.create(true); | |
7088 | ||
7089 | if (objv_tracker) { | |
7090 | objv_tracker->prepare_op_for_write(&op); | |
7091 | } | |
7092 | if (ofs == -1) { | |
7093 | op.write_full(bl); | |
7094 | } else { | |
7095 | op.write(ofs, bl); | |
7096 | } | |
7097 | r = ref.ioctx.operate(ref.oid, &op); | |
7098 | if (r < 0) | |
7099 | return r; | |
7100 | ||
7101 | if (objv_tracker) { | |
7102 | objv_tracker->apply_write(); | |
7103 | } | |
7104 | return 0; | |
7105 | } | |
7106 | ||
7107 | /** | |
7108 | * Write/overwrite an object to the bucket storage. | |
7109 | * bucket: the bucket to store the object in | |
7110 | * obj: the object name/key | |
7111 | * data: the object contents/value | |
7112 | * offset: the offet to write to in the object | |
7113 | * If this is -1, we will overwrite the whole object. | |
7114 | * size: the amount of data to write (data must be this long) | |
7115 | * attrs: all the given attrs are written to bucket storage for the given object | |
7116 | * Returns: 0 on success, -ERR# otherwise. | |
7117 | */ | |
7118 | ||
7119 | int RGWRados::aio_put_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
7120 | off_t ofs, bool exclusive, | |
7121 | void **handle) | |
7122 | { | |
7123 | rgw_rados_ref ref; | |
7124 | int r = get_raw_obj_ref(obj, &ref); | |
7125 | if (r < 0) { | |
7126 | return r; | |
7127 | } | |
7128 | ||
7129 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
7130 | *handle = c; | |
7131 | ||
7132 | ObjectWriteOperation op; | |
7133 | ||
7134 | if (exclusive) | |
7135 | op.create(true); | |
7136 | ||
7137 | if (ofs == -1) { | |
7138 | op.write_full(bl); | |
7139 | } else { | |
7140 | op.write(ofs, bl); | |
7141 | } | |
7142 | r = ref.ioctx.aio_operate(ref.oid, c, &op); | |
7143 | if (r < 0) | |
7144 | return r; | |
7145 | ||
7146 | return 0; | |
7147 | } | |
7148 | ||
7149 | int RGWRados::aio_wait(void *handle) | |
7150 | { | |
7151 | AioCompletion *c = (AioCompletion *)handle; | |
7152 | c->wait_for_safe(); | |
7153 | int ret = c->get_return_value(); | |
7154 | c->release(); | |
7155 | return ret; | |
7156 | } | |
7157 | ||
7158 | bool RGWRados::aio_completed(void *handle) | |
7159 | { | |
7160 | AioCompletion *c = (AioCompletion *)handle; | |
7161 | return c->is_safe(); | |
7162 | } | |
7163 | ||
7164 | class RGWRadosPutObj : public RGWGetDataCB | |
7165 | { | |
7166 | CephContext* cct; | |
7167 | rgw_obj obj; | |
7168 | RGWPutObjDataProcessor *filter; | |
7169 | boost::optional<RGWPutObj_Compress>& compressor; | |
7170 | CompressorRef& plugin; | |
7171 | RGWPutObjProcessor_Atomic *processor; | |
7172 | RGWOpStateSingleOp *opstate; | |
7173 | void (*progress_cb)(off_t, void *); | |
7174 | void *progress_data; | |
7175 | bufferlist extra_data_bl; | |
7176 | uint64_t extra_data_len; | |
7177 | uint64_t data_len; | |
7178 | map<string, bufferlist> src_attrs; | |
7179 | public: | |
7180 | RGWRadosPutObj(CephContext* cct, | |
7181 | CompressorRef& plugin, | |
7182 | boost::optional<RGWPutObj_Compress>& compressor, | |
7183 | RGWPutObjProcessor_Atomic *p, | |
7184 | RGWOpStateSingleOp *_ops, | |
7185 | void (*_progress_cb)(off_t, void *), | |
7186 | void *_progress_data) : | |
7187 | cct(cct), | |
7188 | filter(p), | |
7189 | compressor(compressor), | |
7190 | plugin(plugin), | |
7191 | processor(p), | |
7192 | opstate(_ops), | |
7193 | progress_cb(_progress_cb), | |
7194 | progress_data(_progress_data), | |
7195 | extra_data_len(0), | |
7196 | data_len(0) {} | |
7197 | ||
7198 | int process_attrs(void) { | |
7199 | if (extra_data_bl.length()) { | |
7200 | JSONParser jp; | |
7201 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
7202 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
7203 | return -EIO; | |
7204 | } | |
7205 | ||
7206 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
7207 | ||
7208 | src_attrs.erase(RGW_ATTR_COMPRESSION); | |
7209 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
7210 | } | |
7211 | ||
7212 | if (plugin && src_attrs.find(RGW_ATTR_CRYPT_MODE) == src_attrs.end()) { | |
7213 | //do not compress if object is encrypted | |
7214 | compressor = boost::in_place(cct, plugin, filter); | |
7215 | filter = &*compressor; | |
7216 | } | |
7217 | return 0; | |
7218 | } | |
7219 | ||
7220 | int handle_data(bufferlist& bl, off_t ofs, off_t len) override { | |
7221 | if (progress_cb) { | |
7222 | progress_cb(ofs, progress_data); | |
7223 | } | |
7224 | if (extra_data_len) { | |
7225 | size_t extra_len = bl.length(); | |
7226 | if (extra_len > extra_data_len) | |
7227 | extra_len = extra_data_len; | |
7228 | ||
7229 | bufferlist extra; | |
7230 | bl.splice(0, extra_len, &extra); | |
7231 | extra_data_bl.append(extra); | |
7232 | ||
7233 | extra_data_len -= extra_len; | |
7234 | if (extra_data_len == 0) { | |
7235 | int res = process_attrs(); | |
7236 | if (res < 0) | |
7237 | return res; | |
7238 | } | |
7239 | if (bl.length() == 0) { | |
7240 | return 0; | |
7241 | } | |
7242 | } | |
7243 | data_len += bl.length(); | |
7244 | bool again = false; | |
7245 | ||
7246 | bool need_opstate = true; | |
7247 | ||
7248 | do { | |
7249 | void *handle = NULL; | |
7250 | rgw_raw_obj obj; | |
7251 | uint64_t size = bl.length(); | |
7252 | int ret = filter->handle_data(bl, ofs, &handle, &obj, &again); | |
7253 | if (ret < 0) | |
7254 | return ret; | |
7255 | ||
7256 | if (need_opstate && opstate) { | |
7257 | /* need to update opstate repository with new state. This is ratelimited, so we're not | |
7258 | * really doing it every time | |
7259 | */ | |
7260 | ret = opstate->renew_state(); | |
7261 | if (ret < 0) { | |
7262 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): failed to renew op state ret=" << ret << dendl; | |
7263 | int r = filter->throttle_data(handle, obj, size, false); | |
7264 | if (r < 0) { | |
7265 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): processor->throttle_data() returned " << r << dendl; | |
7266 | } | |
7267 | /* could not renew state! might have been marked as cancelled */ | |
7268 | return ret; | |
7269 | } | |
7270 | need_opstate = false; | |
7271 | } | |
7272 | ||
7273 | ret = filter->throttle_data(handle, obj, size, false); | |
7274 | if (ret < 0) | |
7275 | return ret; | |
7276 | } while (again); | |
7277 | ||
7278 | return 0; | |
7279 | } | |
7280 | ||
7281 | bufferlist& get_extra_data() { return extra_data_bl; } | |
7282 | ||
7283 | map<string, bufferlist>& get_attrs() { return src_attrs; } | |
7284 | ||
7285 | void set_extra_data_len(uint64_t len) override { | |
7286 | extra_data_len = len; | |
7287 | } | |
7288 | ||
7289 | uint64_t get_data_len() { | |
7290 | return data_len; | |
7291 | } | |
7292 | ||
7293 | int complete(const string& etag, real_time *mtime, real_time set_mtime, | |
31f18b77 FG |
7294 | map<string, bufferlist>& attrs, real_time delete_at, rgw_zone_set *zones_trace) { |
7295 | return processor->complete(data_len, etag, mtime, set_mtime, attrs, delete_at, NULL, NULL, NULL, zones_trace); | |
7c673cae FG |
7296 | } |
7297 | ||
7298 | bool is_canceled() { | |
7299 | return processor->is_canceled(); | |
7300 | } | |
7301 | }; | |
7302 | ||
7303 | /* | |
7304 | * prepare attrset depending on attrs_mod. | |
7305 | */ | |
7306 | static void set_copy_attrs(map<string, bufferlist>& src_attrs, | |
7307 | map<string, bufferlist>& attrs, | |
7308 | RGWRados::AttrsMod attrs_mod) | |
7309 | { | |
7310 | switch (attrs_mod) { | |
7311 | case RGWRados::ATTRSMOD_NONE: | |
7312 | attrs = src_attrs; | |
7313 | break; | |
7314 | case RGWRados::ATTRSMOD_REPLACE: | |
7315 | if (!attrs[RGW_ATTR_ETAG].length()) { | |
7316 | attrs[RGW_ATTR_ETAG] = src_attrs[RGW_ATTR_ETAG]; | |
7317 | } | |
7318 | break; | |
7319 | case RGWRados::ATTRSMOD_MERGE: | |
7320 | for (map<string, bufferlist>::iterator it = src_attrs.begin(); it != src_attrs.end(); ++it) { | |
7321 | if (attrs.find(it->first) == attrs.end()) { | |
7322 | attrs[it->first] = it->second; | |
7323 | } | |
7324 | } | |
7325 | break; | |
7326 | } | |
7327 | } | |
7328 | ||
7329 | int RGWRados::rewrite_obj(RGWBucketInfo& dest_bucket_info, rgw_obj& obj) | |
7330 | { | |
7331 | map<string, bufferlist> attrset; | |
7332 | ||
7333 | real_time mtime; | |
7334 | uint64_t obj_size; | |
7335 | RGWObjectCtx rctx(this); | |
7336 | ||
7337 | RGWRados::Object op_target(this, dest_bucket_info, rctx, obj); | |
7338 | RGWRados::Object::Read read_op(&op_target); | |
7339 | ||
7340 | read_op.params.attrs = &attrset; | |
7341 | read_op.params.lastmod = &mtime; | |
7342 | read_op.params.obj_size = &obj_size; | |
7343 | ||
7344 | int ret = read_op.prepare(); | |
7345 | if (ret < 0) | |
7346 | return ret; | |
7347 | ||
7348 | attrset.erase(RGW_ATTR_ID_TAG); | |
7349 | ||
7350 | uint64_t max_chunk_size; | |
7351 | ||
7352 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, obj, &max_chunk_size); | |
7353 | if (ret < 0) { | |
7354 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << obj.bucket << dendl; | |
7355 | return ret; | |
7356 | } | |
7357 | ||
7358 | return copy_obj_data(rctx, dest_bucket_info, read_op, obj_size - 1, obj, obj, max_chunk_size, NULL, mtime, attrset, | |
31f18b77 | 7359 | RGW_OBJ_CATEGORY_MAIN, 0, real_time(), NULL, NULL, NULL); |
7c673cae FG |
7360 | } |
7361 | ||
7362 | struct obj_time_weight { | |
7363 | real_time mtime; | |
7364 | uint32_t zone_short_id; | |
7365 | uint64_t pg_ver; | |
7366 | bool high_precision; | |
7367 | ||
7368 | obj_time_weight() : zone_short_id(0), pg_ver(0), high_precision(false) {} | |
7369 | ||
7370 | bool compare_low_precision(const obj_time_weight& rhs) { | |
7371 | struct timespec l = ceph::real_clock::to_timespec(mtime); | |
7372 | struct timespec r = ceph::real_clock::to_timespec(rhs.mtime); | |
7373 | l.tv_nsec = 0; | |
7374 | r.tv_nsec = 0; | |
7375 | if (l > r) { | |
7376 | return false; | |
7377 | } | |
7378 | if (l < r) { | |
7379 | return true; | |
7380 | } | |
7381 | if (zone_short_id != rhs.zone_short_id) { | |
7382 | return (zone_short_id < rhs.zone_short_id); | |
7383 | } | |
7384 | return (pg_ver < rhs.pg_ver); | |
7385 | ||
7386 | } | |
7387 | ||
7388 | bool operator<(const obj_time_weight& rhs) { | |
7389 | if (!high_precision || !rhs.high_precision) { | |
7390 | return compare_low_precision(rhs); | |
7391 | } | |
7392 | if (mtime > rhs.mtime) { | |
7393 | return false; | |
7394 | } | |
7395 | if (mtime < rhs.mtime) { | |
7396 | return true; | |
7397 | } | |
7398 | if (zone_short_id != rhs.zone_short_id) { | |
7399 | return (zone_short_id < rhs.zone_short_id); | |
7400 | } | |
7401 | return (pg_ver < rhs.pg_ver); | |
7402 | } | |
7403 | ||
7404 | void init(const real_time& _mtime, uint32_t _short_id, uint64_t _pg_ver) { | |
7405 | mtime = _mtime; | |
7406 | zone_short_id = _short_id; | |
7407 | pg_ver = _pg_ver; | |
7408 | } | |
7409 | ||
7410 | void init(RGWObjState *state) { | |
7411 | mtime = state->mtime; | |
7412 | zone_short_id = state->zone_short_id; | |
7413 | pg_ver = state->pg_ver; | |
7414 | } | |
7415 | }; | |
7416 | ||
7417 | inline ostream& operator<<(ostream& out, const obj_time_weight &o) { | |
7418 | out << o.mtime; | |
7419 | ||
7420 | if (o.zone_short_id != 0 || o.pg_ver != 0) { | |
7421 | out << "[zid=" << o.zone_short_id << ", pgv=" << o.pg_ver << "]"; | |
7422 | } | |
7423 | ||
7424 | return out; | |
7425 | } | |
7426 | ||
7427 | class RGWGetExtraDataCB : public RGWGetDataCB { | |
7428 | bufferlist extra_data; | |
7429 | public: | |
7430 | RGWGetExtraDataCB() {} | |
7431 | int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override { | |
7432 | if (extra_data.length() < extra_data_len) { | |
7433 | off_t max = extra_data_len - extra_data.length(); | |
7434 | if (max > bl_len) { | |
7435 | max = bl_len; | |
7436 | } | |
7437 | bl.splice(0, max, &extra_data); | |
7438 | } | |
7439 | return bl_len; | |
7440 | } | |
7441 | ||
7442 | bufferlist& get_extra_data() { | |
7443 | return extra_data; | |
7444 | } | |
7445 | }; | |
7446 | ||
7447 | int RGWRados::stat_remote_obj(RGWObjectCtx& obj_ctx, | |
7448 | const rgw_user& user_id, | |
7449 | const string& client_id, | |
7450 | req_info *info, | |
7451 | const string& source_zone, | |
7452 | rgw_obj& src_obj, | |
7453 | RGWBucketInfo& src_bucket_info, | |
7454 | real_time *src_mtime, | |
7455 | uint64_t *psize, | |
7456 | const real_time *mod_ptr, | |
7457 | const real_time *unmod_ptr, | |
7458 | bool high_precision_time, | |
7459 | const char *if_match, | |
7460 | const char *if_nomatch, | |
7461 | map<string, bufferlist> *pattrs, | |
7462 | string *version_id, | |
7463 | string *ptag, | |
7464 | string *petag) | |
7465 | { | |
7466 | /* source is in a different zonegroup, copy from there */ | |
7467 | ||
7468 | RGWRESTStreamRWRequest *in_stream_req; | |
7469 | string tag; | |
7470 | map<string, bufferlist> src_attrs; | |
7471 | append_rand_alpha(cct, tag, tag, 32); | |
7472 | obj_time_weight set_mtime_weight; | |
7473 | set_mtime_weight.high_precision = high_precision_time; | |
7474 | ||
7475 | RGWRESTConn *conn; | |
7476 | if (source_zone.empty()) { | |
7477 | if (src_bucket_info.zonegroup.empty()) { | |
7478 | /* source is in the master zonegroup */ | |
7479 | conn = rest_master_conn; | |
7480 | } else { | |
7481 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7482 | if (iter == zonegroup_conn_map.end()) { | |
7483 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7484 | return -ENOENT; | |
7485 | } | |
7486 | conn = iter->second; | |
7487 | } | |
7488 | } else { | |
7489 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7490 | if (iter == zone_conn_map.end()) { | |
7491 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7492 | return -ENOENT; | |
7493 | } | |
7494 | conn = iter->second; | |
7495 | } | |
7496 | ||
7497 | RGWGetExtraDataCB cb; | |
7498 | string etag; | |
7499 | map<string, string> req_headers; | |
7500 | real_time set_mtime; | |
7501 | ||
7502 | const real_time *pmod = mod_ptr; | |
7503 | ||
7504 | obj_time_weight dest_mtime_weight; | |
7505 | ||
7506 | int ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7507 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7508 | true /* prepend_meta */, true /* GET */, true /* rgwx-stat */, | |
7509 | true /* sync manifest */, &cb, &in_stream_req); | |
7510 | if (ret < 0) { | |
7511 | return ret; | |
7512 | } | |
7513 | ||
7514 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, psize, req_headers); | |
7515 | if (ret < 0) { | |
7516 | return ret; | |
7517 | } | |
7518 | ||
7519 | bufferlist& extra_data_bl = cb.get_extra_data(); | |
7520 | if (extra_data_bl.length()) { | |
7521 | JSONParser jp; | |
7522 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
7523 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
7524 | return -EIO; | |
7525 | } | |
7526 | ||
7527 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
7528 | ||
7529 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
7530 | } | |
7531 | ||
7532 | if (src_mtime) { | |
7533 | *src_mtime = set_mtime; | |
7534 | } | |
7535 | ||
7536 | if (petag) { | |
7537 | map<string, bufferlist>::iterator iter = src_attrs.find(RGW_ATTR_ETAG); | |
7538 | if (iter != src_attrs.end()) { | |
7539 | bufferlist& etagbl = iter->second; | |
7540 | *petag = etagbl.to_str(); | |
7541 | } | |
7542 | } | |
7543 | ||
7544 | if (pattrs) { | |
7545 | *pattrs = src_attrs; | |
7546 | } | |
7547 | ||
7548 | return 0; | |
7549 | } | |
7550 | ||
7551 | int RGWRados::fetch_remote_obj(RGWObjectCtx& obj_ctx, | |
7552 | const rgw_user& user_id, | |
7553 | const string& client_id, | |
7554 | const string& op_id, | |
7555 | bool record_op_state, | |
7556 | req_info *info, | |
7557 | const string& source_zone, | |
7558 | rgw_obj& dest_obj, | |
7559 | rgw_obj& src_obj, | |
7560 | RGWBucketInfo& dest_bucket_info, | |
7561 | RGWBucketInfo& src_bucket_info, | |
7562 | real_time *src_mtime, | |
7563 | real_time *mtime, | |
7564 | const real_time *mod_ptr, | |
7565 | const real_time *unmod_ptr, | |
7566 | bool high_precision_time, | |
7567 | const char *if_match, | |
7568 | const char *if_nomatch, | |
7569 | AttrsMod attrs_mod, | |
7570 | bool copy_if_newer, | |
7571 | map<string, bufferlist>& attrs, | |
7572 | RGWObjCategory category, | |
7573 | uint64_t olh_epoch, | |
7574 | real_time delete_at, | |
7575 | string *version_id, | |
7576 | string *ptag, | |
7577 | ceph::buffer::list *petag, | |
7c673cae | 7578 | void (*progress_cb)(off_t, void *), |
31f18b77 FG |
7579 | void *progress_data, |
7580 | rgw_zone_set *zones_trace) | |
7c673cae FG |
7581 | { |
7582 | /* source is in a different zonegroup, copy from there */ | |
7583 | ||
7584 | RGWRESTStreamRWRequest *in_stream_req; | |
7585 | string tag; | |
7586 | int i; | |
7587 | append_rand_alpha(cct, tag, tag, 32); | |
7588 | obj_time_weight set_mtime_weight; | |
7589 | set_mtime_weight.high_precision = high_precision_time; | |
7590 | ||
7591 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
7592 | dest_bucket_info, dest_obj.bucket, dest_obj.key.name, | |
7593 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
7594 | if (version_id && *version_id != "null") { | |
7595 | processor.set_version_id(*version_id); | |
7596 | } | |
7597 | processor.set_olh_epoch(olh_epoch); | |
7598 | int ret = processor.prepare(this, NULL); | |
7599 | if (ret < 0) { | |
7600 | return ret; | |
7601 | } | |
7602 | ||
7603 | RGWRESTConn *conn; | |
7604 | if (source_zone.empty()) { | |
7605 | if (dest_bucket_info.zonegroup.empty()) { | |
7606 | /* source is in the master zonegroup */ | |
7607 | conn = rest_master_conn; | |
7608 | } else { | |
7609 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7610 | if (iter == zonegroup_conn_map.end()) { | |
7611 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7612 | return -ENOENT; | |
7613 | } | |
7614 | conn = iter->second; | |
7615 | } | |
7616 | } else { | |
7617 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7618 | if (iter == zone_conn_map.end()) { | |
7619 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7620 | return -ENOENT; | |
7621 | } | |
7622 | conn = iter->second; | |
7623 | } | |
7624 | ||
7625 | string obj_name = dest_obj.bucket.name + "/" + dest_obj.get_oid(); | |
7626 | ||
7627 | RGWOpStateSingleOp *opstate = NULL; | |
7628 | ||
7629 | if (record_op_state) { | |
7630 | opstate = new RGWOpStateSingleOp(this, client_id, op_id, obj_name); | |
7631 | ||
7632 | ret = opstate->set_state(RGWOpState::OPSTATE_IN_PROGRESS); | |
7633 | if (ret < 0) { | |
7634 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7635 | delete opstate; | |
7636 | return ret; | |
7637 | } | |
7638 | } | |
7639 | ||
7640 | boost::optional<RGWPutObj_Compress> compressor; | |
7641 | CompressorRef plugin; | |
7642 | ||
7643 | const auto& compression_type = zone_params.get_compression_type( | |
7644 | dest_bucket_info.placement_rule); | |
7645 | if (compression_type != "none") { | |
7646 | plugin = Compressor::create(cct, compression_type); | |
7647 | if (!plugin) { | |
7648 | ldout(cct, 1) << "Cannot load plugin for compression type " | |
7649 | << compression_type << dendl; | |
7650 | } | |
7651 | } | |
7652 | ||
7653 | RGWRadosPutObj cb(cct, plugin, compressor, &processor, opstate, progress_cb, progress_data); | |
7654 | ||
7655 | string etag; | |
7656 | map<string, string> req_headers; | |
7657 | real_time set_mtime; | |
7658 | ||
7659 | RGWObjState *dest_state = NULL; | |
7660 | ||
7661 | const real_time *pmod = mod_ptr; | |
7662 | ||
7663 | obj_time_weight dest_mtime_weight; | |
7664 | ||
7665 | if (copy_if_newer) { | |
7666 | /* need to get mtime for destination */ | |
7667 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7668 | if (ret < 0) | |
7669 | goto set_err_state; | |
7670 | ||
7671 | if (!real_clock::is_zero(dest_state->mtime)) { | |
7672 | dest_mtime_weight.init(dest_state); | |
7673 | pmod = &dest_mtime_weight.mtime; | |
7674 | } | |
7675 | } | |
7676 | ||
7677 | ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7678 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7679 | true /* prepend_meta */, true /* GET */, false /* rgwx-stat */, | |
7680 | true /* sync manifest */, &cb, &in_stream_req); | |
7681 | if (ret < 0) { | |
7682 | goto set_err_state; | |
7683 | } | |
7684 | ||
7685 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, nullptr, req_headers); | |
7686 | if (ret < 0) { | |
7687 | goto set_err_state; | |
7688 | } | |
7689 | if (compressor && compressor->is_compressed()) { | |
7690 | bufferlist tmp; | |
7691 | RGWCompressionInfo cs_info; | |
7692 | cs_info.compression_type = plugin->get_type_name(); | |
7693 | cs_info.orig_size = cb.get_data_len(); | |
7694 | cs_info.blocks = move(compressor->get_compression_blocks()); | |
7695 | ::encode(cs_info, tmp); | |
7696 | cb.get_attrs()[RGW_ATTR_COMPRESSION] = tmp; | |
7697 | } | |
7698 | ||
7699 | if (source_zone.empty()) { /* need to preserve expiration if copy in the same zonegroup */ | |
7700 | cb.get_attrs().erase(RGW_ATTR_DELETE_AT); | |
7701 | } else { | |
7702 | map<string, bufferlist>::iterator iter = cb.get_attrs().find(RGW_ATTR_DELETE_AT); | |
7703 | if (iter != cb.get_attrs().end()) { | |
7704 | try { | |
7705 | ::decode(delete_at, iter->second); | |
7706 | } catch (buffer::error& err) { | |
7707 | ldout(cct, 0) << "ERROR: failed to decode delete_at field in intra zone copy" << dendl; | |
7708 | } | |
7709 | } | |
7710 | } | |
7711 | ||
7712 | if (src_mtime) { | |
7713 | *src_mtime = set_mtime; | |
7714 | } | |
7715 | ||
7716 | if (petag) { | |
7717 | const auto iter = cb.get_attrs().find(RGW_ATTR_ETAG); | |
7718 | if (iter != cb.get_attrs().end()) { | |
7719 | *petag = iter->second; | |
7720 | } | |
7721 | } | |
7722 | ||
7723 | if (source_zone.empty()) { | |
7724 | set_copy_attrs(cb.get_attrs(), attrs, attrs_mod); | |
7725 | } else { | |
7726 | attrs = cb.get_attrs(); | |
7727 | } | |
7728 | ||
7729 | if (copy_if_newer) { | |
7730 | uint64_t pg_ver = 0; | |
7731 | auto i = attrs.find(RGW_ATTR_PG_VER); | |
7732 | if (i != attrs.end() && i->second.length() > 0) { | |
7733 | bufferlist::iterator iter = i->second.begin(); | |
7734 | try { | |
7735 | ::decode(pg_ver, iter); | |
7736 | } catch (buffer::error& err) { | |
7737 | ldout(ctx(), 0) << "ERROR: failed to decode pg ver attribute, ignoring" << dendl; | |
7738 | /* non critical error */ | |
7739 | } | |
7740 | } | |
7741 | set_mtime_weight.init(set_mtime, get_zone_short_id(), pg_ver); | |
7742 | } | |
7743 | ||
7744 | #define MAX_COMPLETE_RETRY 100 | |
7745 | for (i = 0; i < MAX_COMPLETE_RETRY; i++) { | |
31f18b77 | 7746 | ret = cb.complete(etag, mtime, set_mtime, attrs, delete_at, zones_trace); |
7c673cae FG |
7747 | if (ret < 0) { |
7748 | goto set_err_state; | |
7749 | } | |
7750 | if (copy_if_newer && cb.is_canceled()) { | |
7751 | ldout(cct, 20) << "raced with another write of obj: " << dest_obj << dendl; | |
7752 | obj_ctx.obj.invalidate(dest_obj); /* object was overwritten */ | |
7753 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7754 | if (ret < 0) { | |
7755 | ldout(cct, 0) << "ERROR: " << __func__ << ": get_err_state() returned ret=" << ret << dendl; | |
7756 | goto set_err_state; | |
7757 | } | |
7758 | dest_mtime_weight.init(dest_state); | |
7759 | dest_mtime_weight.high_precision = high_precision_time; | |
7760 | if (!dest_state->exists || | |
7761 | dest_mtime_weight < set_mtime_weight) { | |
7762 | ldout(cct, 20) << "retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7763 | continue; | |
7764 | } else { | |
7765 | ldout(cct, 20) << "not retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7766 | } | |
7767 | } | |
7768 | break; | |
7769 | } | |
7770 | ||
7771 | if (i == MAX_COMPLETE_RETRY) { | |
7772 | ldout(cct, 0) << "ERROR: retried object completion too many times, something is wrong!" << dendl; | |
7773 | ret = -EIO; | |
7774 | goto set_err_state; | |
7775 | } | |
7776 | ||
7777 | if (opstate) { | |
7778 | ret = opstate->set_state(RGWOpState::OPSTATE_COMPLETE); | |
7779 | if (ret < 0) { | |
7780 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7781 | } | |
7782 | delete opstate; | |
7783 | } | |
7784 | ||
7785 | return 0; | |
7786 | set_err_state: | |
7787 | if (copy_if_newer && ret == -ERR_NOT_MODIFIED) { | |
7788 | ret = 0; | |
7789 | } | |
7790 | if (opstate) { | |
7791 | RGWOpState::OpState state; | |
7792 | if (ret < 0) { | |
7793 | state = RGWOpState::OPSTATE_ERROR; | |
7794 | } else { | |
7795 | state = RGWOpState::OPSTATE_COMPLETE; | |
7796 | } | |
7797 | int r = opstate->set_state(state); | |
7798 | if (r < 0) { | |
7799 | ldout(cct, 0) << "ERROR: failed to set opstate r=" << ret << dendl; | |
7800 | } | |
7801 | delete opstate; | |
7802 | } | |
7803 | return ret; | |
7804 | } | |
7805 | ||
7806 | ||
7807 | int RGWRados::copy_obj_to_remote_dest(RGWObjState *astate, | |
7808 | map<string, bufferlist>& src_attrs, | |
7809 | RGWRados::Object::Read& read_op, | |
7810 | const rgw_user& user_id, | |
7811 | rgw_obj& dest_obj, | |
7812 | real_time *mtime) | |
7813 | { | |
7814 | string etag; | |
7815 | ||
7816 | RGWRESTStreamWriteRequest *out_stream_req; | |
7817 | ||
7818 | int ret = rest_master_conn->put_obj_init(user_id, dest_obj, astate->size, src_attrs, &out_stream_req); | |
7819 | if (ret < 0) { | |
7820 | delete out_stream_req; | |
7821 | return ret; | |
7822 | } | |
7823 | ||
7824 | ret = read_op.iterate(0, astate->size - 1, out_stream_req->get_out_cb()); | |
224ce89b WB |
7825 | if (ret < 0) { |
7826 | delete out_stream_req; | |
7c673cae | 7827 | return ret; |
224ce89b | 7828 | } |
7c673cae FG |
7829 | |
7830 | ret = rest_master_conn->complete_request(out_stream_req, etag, mtime); | |
7831 | if (ret < 0) | |
7832 | return ret; | |
7833 | ||
7834 | return 0; | |
7835 | } | |
7836 | ||
7837 | /** | |
7838 | * Copy an object. | |
7839 | * dest_obj: the object to copy into | |
7840 | * src_obj: the object to copy from | |
7841 | * attrs: usage depends on attrs_mod parameter | |
7842 | * attrs_mod: the modification mode of the attrs, may have the following values: | |
7843 | * ATTRSMOD_NONE - the attributes of the source object will be | |
7844 | * copied without modifications, attrs parameter is ignored; | |
7845 | * ATTRSMOD_REPLACE - new object will have the attributes provided by attrs | |
7846 | * parameter, source object attributes are not copied; | |
7847 | * ATTRSMOD_MERGE - any conflicting meta keys on the source object's attributes | |
7848 | * are overwritten by values contained in attrs parameter. | |
7849 | * err: stores any errors resulting from the get of the original object | |
7850 | * Returns: 0 on success, -ERR# otherwise. | |
7851 | */ | |
7852 | int RGWRados::copy_obj(RGWObjectCtx& obj_ctx, | |
7853 | const rgw_user& user_id, | |
7854 | const string& client_id, | |
7855 | const string& op_id, | |
7856 | req_info *info, | |
7857 | const string& source_zone, | |
7858 | rgw_obj& dest_obj, | |
7859 | rgw_obj& src_obj, | |
7860 | RGWBucketInfo& dest_bucket_info, | |
7861 | RGWBucketInfo& src_bucket_info, | |
7862 | real_time *src_mtime, | |
7863 | real_time *mtime, | |
7864 | const real_time *mod_ptr, | |
7865 | const real_time *unmod_ptr, | |
7866 | bool high_precision_time, | |
7867 | const char *if_match, | |
7868 | const char *if_nomatch, | |
7869 | AttrsMod attrs_mod, | |
7870 | bool copy_if_newer, | |
7871 | map<string, bufferlist>& attrs, | |
7872 | RGWObjCategory category, | |
7873 | uint64_t olh_epoch, | |
7874 | real_time delete_at, | |
7875 | string *version_id, | |
7876 | string *ptag, | |
7877 | ceph::buffer::list *petag, | |
7c673cae FG |
7878 | void (*progress_cb)(off_t, void *), |
7879 | void *progress_data) | |
7880 | { | |
7881 | int ret; | |
7882 | uint64_t obj_size; | |
7883 | rgw_obj shadow_obj = dest_obj; | |
7884 | string shadow_oid; | |
7885 | ||
7886 | bool remote_src; | |
7887 | bool remote_dest; | |
7888 | ||
7889 | append_rand_alpha(cct, dest_obj.get_oid(), shadow_oid, 32); | |
7890 | shadow_obj.init_ns(dest_obj.bucket, shadow_oid, shadow_ns); | |
7891 | ||
7892 | remote_dest = !get_zonegroup().equals(dest_bucket_info.zonegroup); | |
7893 | remote_src = !get_zonegroup().equals(src_bucket_info.zonegroup); | |
7894 | ||
7895 | if (remote_src && remote_dest) { | |
7896 | ldout(cct, 0) << "ERROR: can't copy object when both src and dest buckets are remote" << dendl; | |
7897 | return -EINVAL; | |
7898 | } | |
7899 | ||
7900 | ldout(cct, 5) << "Copy object " << src_obj.bucket << ":" << src_obj.get_oid() << " => " << dest_obj.bucket << ":" << dest_obj.get_oid() << dendl; | |
7901 | ||
7902 | if (remote_src || !source_zone.empty()) { | |
7903 | return fetch_remote_obj(obj_ctx, user_id, client_id, op_id, true, info, source_zone, | |
7904 | dest_obj, src_obj, dest_bucket_info, src_bucket_info, src_mtime, mtime, mod_ptr, | |
7905 | unmod_ptr, high_precision_time, | |
7906 | if_match, if_nomatch, attrs_mod, copy_if_newer, attrs, category, | |
31f18b77 | 7907 | olh_epoch, delete_at, version_id, ptag, petag, progress_cb, progress_data); |
7c673cae FG |
7908 | } |
7909 | ||
7910 | map<string, bufferlist> src_attrs; | |
7911 | RGWRados::Object src_op_target(this, src_bucket_info, obj_ctx, src_obj); | |
7912 | RGWRados::Object::Read read_op(&src_op_target); | |
7913 | ||
7914 | read_op.conds.mod_ptr = mod_ptr; | |
7915 | read_op.conds.unmod_ptr = unmod_ptr; | |
7916 | read_op.conds.high_precision_time = high_precision_time; | |
7917 | read_op.conds.if_match = if_match; | |
7918 | read_op.conds.if_nomatch = if_nomatch; | |
7919 | read_op.params.attrs = &src_attrs; | |
7920 | read_op.params.lastmod = src_mtime; | |
7921 | read_op.params.obj_size = &obj_size; | |
7c673cae FG |
7922 | |
7923 | ret = read_op.prepare(); | |
7924 | if (ret < 0) { | |
7925 | return ret; | |
7926 | } | |
7927 | ||
7928 | src_attrs[RGW_ATTR_ACL] = attrs[RGW_ATTR_ACL]; | |
7929 | src_attrs.erase(RGW_ATTR_DELETE_AT); | |
7930 | ||
7931 | set_copy_attrs(src_attrs, attrs, attrs_mod); | |
7932 | attrs.erase(RGW_ATTR_ID_TAG); | |
7933 | attrs.erase(RGW_ATTR_PG_VER); | |
7934 | attrs.erase(RGW_ATTR_SOURCE_ZONE); | |
7935 | map<string, bufferlist>::iterator cmp = src_attrs.find(RGW_ATTR_COMPRESSION); | |
7936 | if (cmp != src_attrs.end()) | |
7937 | attrs[RGW_ATTR_COMPRESSION] = cmp->second; | |
7938 | ||
7939 | RGWObjManifest manifest; | |
7940 | RGWObjState *astate = NULL; | |
7941 | ||
7942 | ret = get_obj_state(&obj_ctx, src_bucket_info, src_obj, &astate); | |
7943 | if (ret < 0) { | |
7944 | return ret; | |
7945 | } | |
7946 | ||
7947 | vector<rgw_raw_obj> ref_objs; | |
7948 | ||
7949 | if (remote_dest) { | |
7950 | /* dest is in a different zonegroup, copy it there */ | |
7951 | return copy_obj_to_remote_dest(astate, attrs, read_op, user_id, dest_obj, mtime); | |
7952 | } | |
7953 | uint64_t max_chunk_size; | |
7954 | ||
7955 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, dest_obj, &max_chunk_size); | |
7956 | if (ret < 0) { | |
7957 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << dest_obj.bucket << dendl; | |
7958 | return ret; | |
7959 | } | |
7960 | ||
7961 | rgw_pool src_pool; | |
7962 | rgw_pool dest_pool; | |
7963 | if (!get_obj_data_pool(src_bucket_info.placement_rule, src_obj, &src_pool)) { | |
7964 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << src_obj << dendl; | |
7965 | return -EIO; | |
7966 | } | |
7967 | if (!get_obj_data_pool(dest_bucket_info.placement_rule, dest_obj, &dest_pool)) { | |
7968 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << dest_obj << dendl; | |
7969 | return -EIO; | |
7970 | } | |
7971 | ||
7972 | ||
7973 | bool copy_data = !astate->has_manifest || (src_pool != dest_pool); | |
7974 | bool copy_first = false; | |
7975 | if (astate->has_manifest) { | |
7976 | if (!astate->manifest.has_tail()) { | |
7977 | copy_data = true; | |
7978 | } else { | |
7979 | uint64_t head_size = astate->manifest.get_head_size(); | |
7980 | ||
7981 | if (head_size > 0) { | |
7982 | if (head_size > max_chunk_size) { | |
7983 | copy_data = true; | |
7984 | } else { | |
7985 | copy_first = true; | |
7986 | } | |
7987 | } | |
7988 | } | |
7989 | } | |
7990 | ||
7991 | if (petag) { | |
7992 | const auto iter = attrs.find(RGW_ATTR_ETAG); | |
7993 | if (iter != attrs.end()) { | |
7994 | *petag = iter->second; | |
7995 | } | |
7996 | } | |
7997 | ||
7998 | if (copy_data) { /* refcounting tail wouldn't work here, just copy the data */ | |
7999 | return copy_obj_data(obj_ctx, dest_bucket_info, read_op, obj_size - 1, dest_obj, src_obj, | |
8000 | max_chunk_size, mtime, real_time(), attrs, category, olh_epoch, delete_at, | |
31f18b77 | 8001 | version_id, ptag, petag); |
7c673cae FG |
8002 | } |
8003 | ||
8004 | RGWObjManifest::obj_iterator miter = astate->manifest.obj_begin(); | |
8005 | ||
8006 | if (copy_first) { // we need to copy first chunk, not increase refcount | |
8007 | ++miter; | |
8008 | } | |
8009 | ||
8010 | rgw_rados_ref ref; | |
8011 | ret = get_raw_obj_ref(miter.get_location().get_raw_obj(this), &ref); | |
8012 | if (ret < 0) { | |
8013 | return ret; | |
8014 | } | |
8015 | ||
8016 | bool versioned_dest = dest_bucket_info.versioning_enabled(); | |
8017 | ||
8018 | if (version_id && !version_id->empty()) { | |
8019 | versioned_dest = true; | |
8020 | dest_obj.key.set_instance(*version_id); | |
8021 | } else if (versioned_dest) { | |
8022 | gen_rand_obj_instance_name(&dest_obj); | |
8023 | } | |
8024 | ||
8025 | bufferlist first_chunk; | |
8026 | ||
8027 | bool copy_itself = (dest_obj == src_obj); | |
8028 | RGWObjManifest *pmanifest; | |
31f18b77 | 8029 | ldout(cct, 20) << "dest_obj=" << dest_obj << " src_obj=" << src_obj << " copy_itself=" << (int)copy_itself << dendl; |
7c673cae FG |
8030 | |
8031 | RGWRados::Object dest_op_target(this, dest_bucket_info, obj_ctx, dest_obj); | |
8032 | RGWRados::Object::Write write_op(&dest_op_target); | |
8033 | ||
8034 | string tag; | |
8035 | ||
8036 | if (ptag) { | |
8037 | tag = *ptag; | |
8038 | } | |
8039 | ||
8040 | if (tag.empty()) { | |
8041 | append_rand_alpha(cct, tag, tag, 32); | |
8042 | } | |
8043 | ||
8044 | if (!copy_itself) { | |
8045 | manifest = astate->manifest; | |
8046 | const rgw_bucket_placement& tail_placement = manifest.get_tail_placement(); | |
8047 | if (tail_placement.bucket.name.empty()) { | |
8048 | manifest.set_tail_placement(tail_placement.placement_rule, src_obj.bucket); | |
8049 | } | |
8050 | string oid, key; | |
8051 | for (; miter != astate->manifest.obj_end(); ++miter) { | |
8052 | ObjectWriteOperation op; | |
8053 | cls_refcount_get(op, tag, true); | |
8054 | const rgw_raw_obj& loc = miter.get_location().get_raw_obj(this); | |
8055 | ref.ioctx.locator_set_key(loc.loc); | |
8056 | ||
8057 | ret = ref.ioctx.operate(loc.oid, &op); | |
8058 | if (ret < 0) { | |
8059 | goto done_ret; | |
8060 | } | |
8061 | ||
8062 | ref_objs.push_back(loc); | |
8063 | } | |
8064 | ||
8065 | pmanifest = &manifest; | |
8066 | } else { | |
8067 | pmanifest = &astate->manifest; | |
8068 | /* don't send the object's tail for garbage collection */ | |
8069 | astate->keep_tail = true; | |
8070 | } | |
8071 | ||
8072 | if (copy_first) { | |
8073 | ret = read_op.read(0, max_chunk_size, first_chunk); | |
8074 | if (ret < 0) { | |
8075 | goto done_ret; | |
8076 | } | |
8077 | ||
8078 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, first_chunk.length()); | |
8079 | } else { | |
8080 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, 0); | |
8081 | } | |
8082 | ||
8083 | write_op.meta.data = &first_chunk; | |
8084 | write_op.meta.manifest = pmanifest; | |
8085 | write_op.meta.ptag = &tag; | |
8086 | write_op.meta.owner = dest_bucket_info.owner; | |
8087 | write_op.meta.mtime = mtime; | |
8088 | write_op.meta.flags = PUT_OBJ_CREATE; | |
8089 | write_op.meta.category = category; | |
8090 | write_op.meta.olh_epoch = olh_epoch; | |
8091 | write_op.meta.delete_at = delete_at; | |
8092 | ||
8093 | ret = write_op.write_meta(obj_size, astate->accounted_size, attrs); | |
8094 | if (ret < 0) { | |
8095 | goto done_ret; | |
8096 | } | |
8097 | ||
8098 | return 0; | |
8099 | ||
8100 | done_ret: | |
8101 | if (!copy_itself) { | |
8102 | vector<rgw_raw_obj>::iterator riter; | |
8103 | ||
8104 | string oid, key; | |
8105 | ||
8106 | /* rollback reference */ | |
8107 | for (riter = ref_objs.begin(); riter != ref_objs.end(); ++riter) { | |
8108 | ObjectWriteOperation op; | |
8109 | cls_refcount_put(op, tag, true); | |
8110 | ||
8111 | ref.ioctx.locator_set_key(riter->loc); | |
8112 | ||
8113 | int r = ref.ioctx.operate(riter->oid, &op); | |
8114 | if (r < 0) { | |
8115 | ldout(cct, 0) << "ERROR: cleanup after error failed to drop reference on obj=" << *riter << dendl; | |
8116 | } | |
8117 | } | |
8118 | } | |
8119 | return ret; | |
8120 | } | |
8121 | ||
8122 | ||
8123 | int RGWRados::copy_obj_data(RGWObjectCtx& obj_ctx, | |
8124 | RGWBucketInfo& dest_bucket_info, | |
8125 | RGWRados::Object::Read& read_op, off_t end, | |
8126 | rgw_obj& dest_obj, | |
8127 | rgw_obj& src_obj, | |
8128 | uint64_t max_chunk_size, | |
8129 | real_time *mtime, | |
8130 | real_time set_mtime, | |
8131 | map<string, bufferlist>& attrs, | |
8132 | RGWObjCategory category, | |
8133 | uint64_t olh_epoch, | |
8134 | real_time delete_at, | |
8135 | string *version_id, | |
8136 | string *ptag, | |
31f18b77 | 8137 | ceph::buffer::list *petag) |
7c673cae FG |
8138 | { |
8139 | bufferlist first_chunk; | |
8140 | RGWObjManifest manifest; | |
8141 | ||
8142 | string tag; | |
8143 | append_rand_alpha(cct, tag, tag, 32); | |
8144 | ||
8145 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
8146 | dest_bucket_info, dest_obj.bucket, dest_obj.get_oid(), | |
8147 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
8148 | if (version_id) { | |
8149 | processor.set_version_id(*version_id); | |
8150 | } | |
8151 | processor.set_olh_epoch(olh_epoch); | |
8152 | int ret = processor.prepare(this, NULL); | |
8153 | if (ret < 0) | |
8154 | return ret; | |
8155 | ||
8156 | off_t ofs = 0; | |
8157 | ||
8158 | do { | |
8159 | bufferlist bl; | |
8160 | ret = read_op.read(ofs, end, bl); | |
8161 | ||
8162 | uint64_t read_len = ret; | |
8163 | bool again; | |
8164 | ||
8165 | do { | |
8166 | void *handle; | |
8167 | rgw_raw_obj obj; | |
8168 | ||
8169 | ret = processor.handle_data(bl, ofs, &handle, &obj, &again); | |
8170 | if (ret < 0) { | |
8171 | return ret; | |
8172 | } | |
8173 | ret = processor.throttle_data(handle, obj, read_len, false); | |
8174 | if (ret < 0) | |
8175 | return ret; | |
8176 | } while (again); | |
8177 | ||
8178 | ofs += read_len; | |
8179 | } while (ofs <= end); | |
8180 | ||
8181 | string etag; | |
8182 | auto iter = attrs.find(RGW_ATTR_ETAG); | |
8183 | if (iter != attrs.end()) { | |
8184 | bufferlist& bl = iter->second; | |
8185 | etag = string(bl.c_str(), bl.length()); | |
8186 | if (petag) { | |
8187 | *petag = bl; | |
8188 | } | |
8189 | } | |
8190 | ||
8191 | uint64_t accounted_size; | |
8192 | { | |
8193 | bool compressed{false}; | |
8194 | RGWCompressionInfo cs_info; | |
8195 | ret = rgw_compression_info_from_attrset(attrs, compressed, cs_info); | |
8196 | if (ret < 0) { | |
8197 | ldout(cct, 0) << "ERROR: failed to read compression info" << dendl; | |
8198 | return ret; | |
8199 | } | |
8200 | // pass original size if compressed | |
8201 | accounted_size = compressed ? cs_info.orig_size : ofs; | |
8202 | } | |
8203 | ||
8204 | return processor.complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at); | |
8205 | } | |
8206 | ||
8207 | bool RGWRados::is_meta_master() | |
8208 | { | |
31f18b77 | 8209 | if (!get_zonegroup().is_master_zonegroup()) { |
7c673cae FG |
8210 | return false; |
8211 | } | |
8212 | ||
8213 | return (get_zonegroup().master_zone == zone_public_config.id); | |
8214 | } | |
8215 | ||
8216 | /** | |
8217 | * Check to see if the bucket metadata could be synced | |
8218 | * bucket: the bucket to check | |
8219 | * Returns false is the bucket is not synced | |
8220 | */ | |
8221 | bool RGWRados::is_syncing_bucket_meta(const rgw_bucket& bucket) | |
8222 | { | |
8223 | ||
8224 | /* no current period */ | |
8225 | if (current_period.get_id().empty()) { | |
8226 | return false; | |
8227 | } | |
8228 | ||
8229 | /* zonegroup is not master zonegroup */ | |
31f18b77 | 8230 | if (!get_zonegroup().is_master_zonegroup()) { |
7c673cae FG |
8231 | return false; |
8232 | } | |
8233 | ||
8234 | /* single zonegroup and a single zone */ | |
224ce89b | 8235 | if (current_period.is_single_zonegroup() && get_zonegroup().zones.size() == 1) { |
7c673cae FG |
8236 | return false; |
8237 | } | |
8238 | ||
8239 | /* zone is not master */ | |
8240 | if (get_zonegroup().master_zone.compare(zone_public_config.id) != 0) { | |
8241 | return false; | |
8242 | } | |
8243 | ||
8244 | return true; | |
8245 | } | |
8246 | ||
8247 | int RGWRados::check_bucket_empty(RGWBucketInfo& bucket_info) | |
8248 | { | |
8249 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
8250 | rgw_obj_index_key marker; | |
8251 | string prefix; | |
8252 | bool is_truncated; | |
8253 | ||
8254 | do { | |
8255 | #define NUM_ENTRIES 1000 | |
8256 | int r = cls_bucket_list(bucket_info, RGW_NO_SHARD, marker, prefix, NUM_ENTRIES, true, ent_map, | |
8257 | &is_truncated, &marker); | |
8258 | if (r < 0) | |
8259 | return r; | |
8260 | ||
8261 | string ns; | |
8262 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
8263 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
8264 | rgw_obj_key obj; | |
8265 | ||
8266 | if (rgw_obj_key::oid_to_key_in_ns(eiter->second.key.name, &obj, ns)) | |
8267 | return -ENOTEMPTY; | |
8268 | } | |
8269 | } while (is_truncated); | |
8270 | return 0; | |
8271 | } | |
8272 | ||
8273 | /** | |
8274 | * Delete a bucket. | |
8275 | * bucket: the name of the bucket to delete | |
8276 | * Returns 0 on success, -ERR# otherwise. | |
8277 | */ | |
8278 | int RGWRados::delete_bucket(RGWBucketInfo& bucket_info, RGWObjVersionTracker& objv_tracker, bool check_empty) | |
8279 | { | |
8280 | const rgw_bucket& bucket = bucket_info.bucket; | |
8281 | librados::IoCtx index_ctx; | |
8282 | map<int, string> bucket_objs; | |
8283 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
8284 | if (r < 0) | |
8285 | return r; | |
8286 | ||
8287 | if (check_empty) { | |
8288 | r = check_bucket_empty(bucket_info); | |
8289 | if (r < 0) { | |
8290 | return r; | |
8291 | } | |
8292 | } | |
8293 | ||
8294 | r = rgw_bucket_delete_bucket_obj(this, bucket.tenant, bucket.name, objv_tracker); | |
8295 | if (r < 0) | |
8296 | return r; | |
8297 | ||
8298 | /* if the bucket is not synced we can remove the meta file */ | |
8299 | if (!is_syncing_bucket_meta(bucket)) { | |
8300 | RGWObjVersionTracker objv_tracker; | |
8301 | string entry = bucket.get_key(); | |
8302 | r= rgw_bucket_instance_remove_entry(this, entry, &objv_tracker); | |
8303 | if (r < 0) { | |
8304 | return r; | |
8305 | } | |
8306 | /* remove bucket index objects*/ | |
8307 | map<int, string>::const_iterator biter; | |
8308 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
8309 | index_ctx.remove(biter->second); | |
8310 | } | |
8311 | } | |
8312 | return 0; | |
8313 | } | |
8314 | ||
8315 | int RGWRados::set_bucket_owner(rgw_bucket& bucket, ACLOwner& owner) | |
8316 | { | |
8317 | RGWBucketInfo info; | |
8318 | map<string, bufferlist> attrs; | |
8319 | RGWObjectCtx obj_ctx(this); | |
31f18b77 FG |
8320 | int r; |
8321 | if (bucket.bucket_id.empty()) { | |
8322 | r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
8323 | } else { | |
8324 | r = get_bucket_instance_info(obj_ctx, bucket, info, nullptr, &attrs); | |
8325 | } | |
7c673cae FG |
8326 | if (r < 0) { |
8327 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
8328 | return r; | |
8329 | } | |
8330 | ||
8331 | info.owner = owner.get_id(); | |
8332 | ||
8333 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
8334 | if (r < 0) { | |
8335 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
8336 | return r; | |
8337 | } | |
8338 | ||
8339 | return 0; | |
8340 | } | |
8341 | ||
8342 | ||
8343 | int RGWRados::set_buckets_enabled(vector<rgw_bucket>& buckets, bool enabled) | |
8344 | { | |
8345 | int ret = 0; | |
8346 | ||
8347 | vector<rgw_bucket>::iterator iter; | |
8348 | ||
8349 | for (iter = buckets.begin(); iter != buckets.end(); ++iter) { | |
8350 | rgw_bucket& bucket = *iter; | |
8351 | if (enabled) | |
8352 | ldout(cct, 20) << "enabling bucket name=" << bucket.name << dendl; | |
8353 | else | |
8354 | ldout(cct, 20) << "disabling bucket name=" << bucket.name << dendl; | |
8355 | ||
8356 | RGWBucketInfo info; | |
8357 | map<string, bufferlist> attrs; | |
8358 | RGWObjectCtx obj_ctx(this); | |
8359 | int r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
8360 | if (r < 0) { | |
8361 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8362 | ret = r; | |
8363 | continue; | |
8364 | } | |
8365 | if (enabled) { | |
8366 | info.flags &= ~BUCKET_SUSPENDED; | |
8367 | } else { | |
8368 | info.flags |= BUCKET_SUSPENDED; | |
8369 | } | |
8370 | ||
8371 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
8372 | if (r < 0) { | |
8373 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8374 | ret = r; | |
8375 | continue; | |
8376 | } | |
8377 | } | |
8378 | return ret; | |
8379 | } | |
8380 | ||
8381 | int RGWRados::bucket_suspended(rgw_bucket& bucket, bool *suspended) | |
8382 | { | |
8383 | RGWBucketInfo bucket_info; | |
8384 | RGWObjectCtx obj_ctx(this); | |
8385 | int ret = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, bucket_info, NULL); | |
8386 | if (ret < 0) { | |
8387 | return ret; | |
8388 | } | |
8389 | ||
8390 | *suspended = ((bucket_info.flags & BUCKET_SUSPENDED) != 0); | |
8391 | return 0; | |
8392 | } | |
8393 | ||
8394 | int RGWRados::Object::complete_atomic_modification() | |
8395 | { | |
8396 | if (!state->has_manifest || state->keep_tail) | |
8397 | return 0; | |
8398 | ||
8399 | cls_rgw_obj_chain chain; | |
8400 | store->update_gc_chain(obj, state->manifest, &chain); | |
8401 | ||
8402 | if (chain.empty()) { | |
8403 | return 0; | |
8404 | } | |
8405 | ||
8406 | string tag = state->obj_tag.to_str(); | |
8407 | return store->gc->send_chain(chain, tag, false); // do it async | |
8408 | } | |
8409 | ||
8410 | void RGWRados::update_gc_chain(rgw_obj& head_obj, RGWObjManifest& manifest, cls_rgw_obj_chain *chain) | |
8411 | { | |
8412 | RGWObjManifest::obj_iterator iter; | |
8413 | rgw_raw_obj raw_head; | |
8414 | obj_to_raw(manifest.get_head_placement_rule(), head_obj, &raw_head); | |
8415 | for (iter = manifest.obj_begin(); iter != manifest.obj_end(); ++iter) { | |
8416 | const rgw_raw_obj& mobj = iter.get_location().get_raw_obj(this); | |
8417 | if (mobj == raw_head) | |
8418 | continue; | |
8419 | cls_rgw_obj_key key(mobj.oid); | |
8420 | chain->push_obj(mobj.pool.to_str(), key, mobj.loc); | |
8421 | } | |
8422 | } | |
8423 | ||
8424 | int RGWRados::send_chain_to_gc(cls_rgw_obj_chain& chain, const string& tag, bool sync) | |
8425 | { | |
8426 | return gc->send_chain(chain, tag, sync); | |
8427 | } | |
8428 | ||
8429 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, string& bucket_oid) | |
8430 | { | |
8431 | const rgw_bucket& bucket = bucket_info.bucket; | |
8432 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8433 | if (r < 0) | |
8434 | return r; | |
8435 | ||
8436 | if (bucket.bucket_id.empty()) { | |
8437 | ldout(cct, 0) << "ERROR: empty bucket id for bucket operation" << dendl; | |
8438 | return -EIO; | |
8439 | } | |
8440 | ||
8441 | bucket_oid = dir_oid_prefix; | |
8442 | bucket_oid.append(bucket.bucket_id); | |
8443 | ||
8444 | return 0; | |
8445 | } | |
8446 | ||
8447 | int RGWRados::open_bucket_index_base(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8448 | string& bucket_oid_base) { | |
8449 | const rgw_bucket& bucket = bucket_info.bucket; | |
8450 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8451 | if (r < 0) | |
8452 | return r; | |
8453 | ||
8454 | if (bucket.bucket_id.empty()) { | |
8455 | ldout(cct, 0) << "ERROR: empty bucket_id for bucket operation" << dendl; | |
8456 | return -EIO; | |
8457 | } | |
8458 | ||
8459 | bucket_oid_base = dir_oid_prefix; | |
8460 | bucket_oid_base.append(bucket.bucket_id); | |
8461 | ||
8462 | return 0; | |
8463 | ||
8464 | } | |
8465 | ||
8466 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8467 | map<int, string>& bucket_objs, int shard_id, map<int, string> *bucket_instance_ids) { | |
8468 | string bucket_oid_base; | |
8469 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8470 | if (ret < 0) { | |
8471 | return ret; | |
8472 | } | |
8473 | ||
8474 | get_bucket_index_objects(bucket_oid_base, bucket_info.num_shards, bucket_objs, shard_id); | |
8475 | if (bucket_instance_ids) { | |
8476 | get_bucket_instance_ids(bucket_info, shard_id, bucket_instance_ids); | |
8477 | } | |
8478 | return 0; | |
8479 | } | |
8480 | ||
8481 | template<typename T> | |
8482 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8483 | map<int, string>& oids, map<int, T>& bucket_objs, | |
8484 | int shard_id, map<int, string> *bucket_instance_ids) | |
8485 | { | |
8486 | int ret = open_bucket_index(bucket_info, index_ctx, oids, shard_id, bucket_instance_ids); | |
8487 | if (ret < 0) | |
8488 | return ret; | |
8489 | ||
8490 | map<int, string>::const_iterator iter = oids.begin(); | |
8491 | for (; iter != oids.end(); ++iter) { | |
8492 | bucket_objs[iter->first] = T(); | |
8493 | } | |
8494 | return 0; | |
8495 | } | |
8496 | ||
8497 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8498 | const string& obj_key, string *bucket_obj, int *shard_id) | |
8499 | { | |
8500 | string bucket_oid_base; | |
8501 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8502 | if (ret < 0) | |
8503 | return ret; | |
8504 | ||
8505 | RGWObjectCtx obj_ctx(this); | |
8506 | ||
8507 | ret = get_bucket_index_object(bucket_oid_base, obj_key, bucket_info.num_shards, | |
8508 | (RGWBucketInfo::BIShardsHashType)bucket_info.bucket_index_shard_hash_type, bucket_obj, shard_id); | |
8509 | if (ret < 0) { | |
8510 | ldout(cct, 10) << "get_bucket_index_object() returned ret=" << ret << dendl; | |
8511 | return ret; | |
8512 | } | |
8513 | return 0; | |
8514 | } | |
8515 | ||
8516 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8517 | int shard_id, string *bucket_obj) | |
8518 | { | |
8519 | string bucket_oid_base; | |
8520 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8521 | if (ret < 0) | |
8522 | return ret; | |
8523 | ||
8524 | RGWObjectCtx obj_ctx(this); | |
8525 | ||
8526 | get_bucket_index_object(bucket_oid_base, bucket_info.num_shards, | |
8527 | shard_id, bucket_obj); | |
8528 | return 0; | |
8529 | } | |
8530 | ||
8531 | static void accumulate_raw_stats(const rgw_bucket_dir_header& header, | |
8532 | map<RGWObjCategory, RGWStorageStats>& stats) | |
8533 | { | |
8534 | for (const auto& pair : header.stats) { | |
8535 | const RGWObjCategory category = static_cast<RGWObjCategory>(pair.first); | |
8536 | const rgw_bucket_category_stats& header_stats = pair.second; | |
8537 | ||
8538 | RGWStorageStats& s = stats[category]; | |
8539 | ||
8540 | s.category = category; | |
8541 | s.size += header_stats.total_size; | |
8542 | s.size_rounded += header_stats.total_size_rounded; | |
8543 | s.size_utilized += header_stats.actual_size; | |
8544 | s.num_objects += header_stats.num_entries; | |
8545 | } | |
8546 | } | |
8547 | ||
8548 | int RGWRados::bucket_check_index(RGWBucketInfo& bucket_info, | |
8549 | map<RGWObjCategory, RGWStorageStats> *existing_stats, | |
8550 | map<RGWObjCategory, RGWStorageStats> *calculated_stats) | |
8551 | { | |
8552 | librados::IoCtx index_ctx; | |
8553 | // key - bucket index object id | |
8554 | // value - bucket index check OP returned result with the given bucket index object (shard) | |
8555 | map<int, string> oids; | |
8556 | map<int, struct rgw_cls_check_index_ret> bucket_objs_ret; | |
31f18b77 | 8557 | |
7c673cae | 8558 | int ret = open_bucket_index(bucket_info, index_ctx, oids, bucket_objs_ret); |
31f18b77 FG |
8559 | if (ret < 0) { |
8560 | return ret; | |
8561 | } | |
7c673cae FG |
8562 | |
8563 | ret = CLSRGWIssueBucketCheck(index_ctx, oids, bucket_objs_ret, cct->_conf->rgw_bucket_index_max_aio)(); | |
31f18b77 FG |
8564 | if (ret < 0) { |
8565 | return ret; | |
8566 | } | |
7c673cae FG |
8567 | |
8568 | // Aggregate results (from different shards if there is any) | |
8569 | map<int, struct rgw_cls_check_index_ret>::iterator iter; | |
8570 | for (iter = bucket_objs_ret.begin(); iter != bucket_objs_ret.end(); ++iter) { | |
8571 | accumulate_raw_stats(iter->second.existing_header, *existing_stats); | |
8572 | accumulate_raw_stats(iter->second.calculated_header, *calculated_stats); | |
8573 | } | |
8574 | ||
8575 | return 0; | |
8576 | } | |
8577 | ||
8578 | int RGWRados::bucket_rebuild_index(RGWBucketInfo& bucket_info) | |
8579 | { | |
8580 | librados::IoCtx index_ctx; | |
8581 | map<int, string> bucket_objs; | |
31f18b77 | 8582 | |
7c673cae | 8583 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); |
31f18b77 | 8584 | if (r < 0) { |
7c673cae | 8585 | return r; |
31f18b77 | 8586 | } |
7c673cae FG |
8587 | |
8588 | return CLSRGWIssueBucketRebuild(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
8589 | } | |
8590 | ||
31f18b77 FG |
8591 | int RGWRados::bucket_set_reshard(RGWBucketInfo& bucket_info, const cls_rgw_bucket_instance_entry& entry) |
8592 | { | |
8593 | librados::IoCtx index_ctx; | |
8594 | map<int, string> bucket_objs; | |
8595 | ||
8596 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
8597 | if (r < 0) { | |
8598 | return r; | |
8599 | } | |
8600 | ||
8601 | return CLSRGWIssueSetBucketResharding(index_ctx, bucket_objs, entry, cct->_conf->rgw_bucket_index_max_aio)(); | |
8602 | } | |
7c673cae FG |
8603 | |
8604 | int RGWRados::defer_gc(void *ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj) | |
8605 | { | |
8606 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
8607 | std::string oid, key; | |
8608 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8609 | if (!rctx) | |
8610 | return 0; | |
8611 | ||
8612 | RGWObjState *state = NULL; | |
8613 | ||
8614 | int r = get_obj_state(rctx, bucket_info, obj, &state, false); | |
8615 | if (r < 0) | |
8616 | return r; | |
8617 | ||
8618 | if (!state->is_atomic) { | |
8619 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not deferring gc operation" << dendl; | |
8620 | return -EINVAL; | |
8621 | } | |
8622 | ||
8623 | if (state->obj_tag.length() == 0) {// check for backward compatibility | |
8624 | ldout(cct, 20) << "state->obj_tag is empty, not deferring gc operation" << dendl; | |
8625 | return -EINVAL; | |
8626 | } | |
8627 | ||
8628 | string tag = state->obj_tag.c_str(); | |
8629 | ||
8630 | ldout(cct, 0) << "defer chain tag=" << tag << dendl; | |
8631 | ||
8632 | return gc->defer_chain(tag, false); | |
8633 | } | |
8634 | ||
8635 | void RGWRados::remove_rgw_head_obj(ObjectWriteOperation& op) | |
8636 | { | |
8637 | list<string> prefixes; | |
8638 | prefixes.push_back(RGW_ATTR_OLH_PREFIX); | |
8639 | cls_rgw_remove_obj(op, prefixes); | |
8640 | } | |
8641 | ||
8642 | void RGWRados::cls_obj_check_prefix_exist(ObjectOperation& op, const string& prefix, bool fail_if_exist) | |
8643 | { | |
8644 | cls_rgw_obj_check_attrs_prefix(op, prefix, fail_if_exist); | |
8645 | } | |
8646 | ||
8647 | void RGWRados::cls_obj_check_mtime(ObjectOperation& op, const real_time& mtime, bool high_precision_time, RGWCheckMTimeType type) | |
8648 | { | |
8649 | cls_rgw_obj_check_mtime(op, mtime, high_precision_time, type); | |
8650 | } | |
8651 | ||
8652 | ||
8653 | /** | |
8654 | * Delete an object. | |
8655 | * bucket: name of the bucket storing the object | |
8656 | * obj: name of the object to delete | |
8657 | * Returns: 0 on success, -ERR# otherwise. | |
8658 | */ | |
8659 | int RGWRados::Object::Delete::delete_obj() | |
8660 | { | |
8661 | RGWRados *store = target->get_store(); | |
8662 | rgw_obj& src_obj = target->get_obj(); | |
8663 | const string& instance = src_obj.key.instance; | |
8664 | rgw_obj obj = src_obj; | |
8665 | ||
8666 | if (instance == "null") { | |
8667 | obj.key.instance.clear(); | |
8668 | } | |
8669 | ||
8670 | bool explicit_marker_version = (!params.marker_version_id.empty()); | |
8671 | ||
8672 | if (params.versioning_status & BUCKET_VERSIONED || explicit_marker_version) { | |
8673 | if (instance.empty() || explicit_marker_version) { | |
8674 | rgw_obj marker = obj; | |
8675 | ||
8676 | if (!params.marker_version_id.empty()) { | |
8677 | if (params.marker_version_id != "null") { | |
8678 | marker.key.set_instance(params.marker_version_id); | |
8679 | } | |
8680 | } else if ((params.versioning_status & BUCKET_VERSIONS_SUSPENDED) == 0) { | |
8681 | store->gen_rand_obj_instance_name(&marker); | |
8682 | } | |
8683 | ||
8684 | result.version_id = marker.key.instance; | |
8685 | result.delete_marker = true; | |
8686 | ||
8687 | struct rgw_bucket_dir_entry_meta meta; | |
8688 | ||
8689 | meta.owner = params.obj_owner.get_id().to_str(); | |
8690 | meta.owner_display_name = params.obj_owner.get_display_name(); | |
8691 | ||
8692 | if (real_clock::is_zero(params.mtime)) { | |
8693 | meta.mtime = real_clock::now(); | |
8694 | } else { | |
8695 | meta.mtime = params.mtime; | |
8696 | } | |
8697 | ||
31f18b77 | 8698 | int r = store->set_olh(target->get_ctx(), target->get_bucket_info(), marker, true, &meta, params.olh_epoch, params.unmod_since, params.high_precision_time, params.zones_trace); |
7c673cae FG |
8699 | if (r < 0) { |
8700 | return r; | |
8701 | } | |
8702 | } else { | |
8703 | rgw_bucket_dir_entry dirent; | |
8704 | ||
8705 | int r = store->bi_get_instance(target->get_bucket_info(), obj, &dirent); | |
8706 | if (r < 0) { | |
8707 | return r; | |
8708 | } | |
8709 | result.delete_marker = dirent.is_delete_marker(); | |
31f18b77 | 8710 | r = store->unlink_obj_instance(target->get_ctx(), target->get_bucket_info(), obj, params.olh_epoch, params.zones_trace); |
7c673cae FG |
8711 | if (r < 0) { |
8712 | return r; | |
8713 | } | |
8714 | result.version_id = instance; | |
8715 | } | |
8716 | ||
8717 | BucketShard *bs; | |
8718 | int r = target->get_bucket_shard(&bs); | |
8719 | if (r < 0) { | |
8720 | ldout(store->ctx(), 5) << "failed to get BucketShard object: r=" << r << dendl; | |
8721 | return r; | |
8722 | } | |
8723 | ||
8724 | r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
8725 | if (r < 0) { | |
8726 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
8727 | return r; | |
8728 | } | |
8729 | ||
8730 | return 0; | |
8731 | } | |
8732 | ||
8733 | rgw_rados_ref ref; | |
8734 | int r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); | |
8735 | if (r < 0) { | |
8736 | return r; | |
8737 | } | |
8738 | ||
8739 | RGWObjState *state; | |
8740 | r = target->get_state(&state, false); | |
8741 | if (r < 0) | |
8742 | return r; | |
8743 | ||
8744 | ObjectWriteOperation op; | |
8745 | ||
8746 | if (!real_clock::is_zero(params.unmod_since)) { | |
8747 | struct timespec ctime = ceph::real_clock::to_timespec(state->mtime); | |
8748 | struct timespec unmod = ceph::real_clock::to_timespec(params.unmod_since); | |
8749 | if (!params.high_precision_time) { | |
8750 | ctime.tv_nsec = 0; | |
8751 | unmod.tv_nsec = 0; | |
8752 | } | |
8753 | ||
8754 | ldout(store->ctx(), 10) << "If-UnModified-Since: " << params.unmod_since << " Last-Modified: " << ctime << dendl; | |
8755 | if (ctime > unmod) { | |
8756 | return -ERR_PRECONDITION_FAILED; | |
8757 | } | |
8758 | ||
8759 | /* only delete object if mtime is less than or equal to params.unmod_since */ | |
8760 | store->cls_obj_check_mtime(op, params.unmod_since, params.high_precision_time, CLS_RGW_CHECK_TIME_MTIME_LE); | |
8761 | } | |
8762 | uint64_t obj_size = state->size; | |
8763 | ||
8764 | if (!real_clock::is_zero(params.expiration_time)) { | |
8765 | bufferlist bl; | |
8766 | real_time delete_at; | |
8767 | ||
8768 | if (state->get_attr(RGW_ATTR_DELETE_AT, bl)) { | |
8769 | try { | |
8770 | bufferlist::iterator iter = bl.begin(); | |
8771 | ::decode(delete_at, iter); | |
8772 | } catch (buffer::error& err) { | |
8773 | ldout(store->ctx(), 0) << "ERROR: couldn't decode RGW_ATTR_DELETE_AT" << dendl; | |
8774 | return -EIO; | |
8775 | } | |
8776 | ||
8777 | if (params.expiration_time != delete_at) { | |
8778 | return -ERR_PRECONDITION_FAILED; | |
8779 | } | |
8780 | } else { | |
8781 | return -ERR_PRECONDITION_FAILED; | |
8782 | } | |
8783 | } | |
8784 | ||
8785 | if (!state->exists) { | |
8786 | target->invalidate_state(); | |
8787 | return -ENOENT; | |
8788 | } | |
8789 | ||
8790 | r = target->prepare_atomic_modification(op, false, NULL, NULL, NULL, true); | |
8791 | if (r < 0) | |
8792 | return r; | |
8793 | ||
8794 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
8795 | ||
8796 | RGWRados::Bucket bop(store, bucket_info); | |
8797 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
31f18b77 FG |
8798 | |
8799 | index_op.set_zones_trace(params.zones_trace); | |
7c673cae FG |
8800 | index_op.set_bilog_flags(params.bilog_flags); |
8801 | ||
8802 | ||
8803 | r = index_op.prepare(CLS_RGW_OP_DEL, &state->write_tag); | |
8804 | if (r < 0) | |
8805 | return r; | |
8806 | ||
8807 | store->remove_rgw_head_obj(op); | |
8808 | r = ref.ioctx.operate(ref.oid, &op); | |
8809 | bool need_invalidate = false; | |
8810 | if (r == -ECANCELED) { | |
8811 | /* raced with another operation, we can regard it as removed */ | |
8812 | need_invalidate = true; | |
8813 | r = 0; | |
8814 | } | |
7c673cae FG |
8815 | |
8816 | int64_t poolid = ref.ioctx.get_id(); | |
8817 | if (r >= 0) { | |
8818 | tombstone_cache_t *obj_tombstone_cache = store->get_tombstone_cache(); | |
8819 | if (obj_tombstone_cache) { | |
8820 | tombstone_entry entry{*state}; | |
8821 | obj_tombstone_cache->add(obj, entry); | |
8822 | } | |
8823 | r = index_op.complete_del(poolid, ref.ioctx.get_last_version(), state->mtime, params.remove_objs); | |
224ce89b | 8824 | |
7c673cae FG |
8825 | int ret = target->complete_atomic_modification(); |
8826 | if (ret < 0) { | |
8827 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned ret=" << ret << dendl; | |
8828 | } | |
8829 | /* other than that, no need to propagate error */ | |
224ce89b WB |
8830 | } else { |
8831 | int ret = index_op.cancel(); | |
8832 | if (ret < 0) { | |
8833 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel() returned ret=" << ret << dendl; | |
8834 | } | |
7c673cae FG |
8835 | } |
8836 | ||
8837 | if (need_invalidate) { | |
8838 | target->invalidate_state(); | |
8839 | } | |
8840 | ||
8841 | if (r < 0) | |
8842 | return r; | |
8843 | ||
8844 | /* update quota cache */ | |
8845 | store->quota_handler->update_stats(params.bucket_owner, obj.bucket, -1, 0, obj_size); | |
8846 | ||
8847 | return 0; | |
8848 | } | |
8849 | ||
8850 | int RGWRados::delete_obj(RGWObjectCtx& obj_ctx, | |
8851 | const RGWBucketInfo& bucket_info, | |
8852 | const rgw_obj& obj, | |
8853 | int versioning_status, | |
8854 | uint16_t bilog_flags, | |
31f18b77 FG |
8855 | const real_time& expiration_time, |
8856 | rgw_zone_set *zones_trace) | |
7c673cae FG |
8857 | { |
8858 | RGWRados::Object del_target(this, bucket_info, obj_ctx, obj); | |
8859 | RGWRados::Object::Delete del_op(&del_target); | |
8860 | ||
8861 | del_op.params.bucket_owner = bucket_info.owner; | |
8862 | del_op.params.versioning_status = versioning_status; | |
8863 | del_op.params.bilog_flags = bilog_flags; | |
8864 | del_op.params.expiration_time = expiration_time; | |
31f18b77 | 8865 | del_op.params.zones_trace = zones_trace; |
7c673cae FG |
8866 | |
8867 | return del_op.delete_obj(); | |
8868 | } | |
8869 | ||
8870 | int RGWRados::delete_raw_obj(const rgw_raw_obj& obj) | |
8871 | { | |
8872 | rgw_rados_ref ref; | |
224ce89b | 8873 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
8874 | if (r < 0) { |
8875 | return r; | |
8876 | } | |
8877 | ||
8878 | ObjectWriteOperation op; | |
8879 | ||
8880 | op.remove(); | |
8881 | r = ref.ioctx.operate(ref.oid, &op); | |
8882 | if (r < 0) | |
8883 | return r; | |
8884 | ||
8885 | return 0; | |
8886 | } | |
8887 | ||
8888 | int RGWRados::delete_system_obj(rgw_raw_obj& obj, RGWObjVersionTracker *objv_tracker) | |
8889 | { | |
8890 | if (obj.empty()) { | |
8891 | ldout(cct, 1) << "delete_system_obj got empty object name " | |
8892 | << obj << ", returning EINVAL" << dendl; | |
8893 | return -EINVAL; | |
8894 | } | |
8895 | rgw_rados_ref ref; | |
224ce89b | 8896 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
8897 | if (r < 0) { |
8898 | return r; | |
8899 | } | |
8900 | ||
8901 | ObjectWriteOperation op; | |
8902 | ||
8903 | if (objv_tracker) { | |
8904 | objv_tracker->prepare_op_for_write(&op); | |
8905 | } | |
8906 | ||
8907 | op.remove(); | |
8908 | r = ref.ioctx.operate(ref.oid, &op); | |
8909 | if (r < 0) | |
8910 | return r; | |
8911 | ||
8912 | return 0; | |
8913 | } | |
8914 | ||
8915 | int RGWRados::delete_obj_index(const rgw_obj& obj) | |
8916 | { | |
8917 | std::string oid, key; | |
8918 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8919 | ||
8920 | RGWObjectCtx obj_ctx(this); | |
8921 | ||
8922 | RGWBucketInfo bucket_info; | |
8923 | int ret = get_bucket_instance_info(obj_ctx, obj.bucket, bucket_info, NULL, NULL); | |
8924 | if (ret < 0) { | |
8925 | ldout(cct, 0) << "ERROR: " << __func__ << "() get_bucket_instance_info(bucket=" << obj.bucket << ") returned ret=" << ret << dendl; | |
8926 | return ret; | |
8927 | } | |
8928 | ||
8929 | RGWRados::Bucket bop(this, bucket_info); | |
8930 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
8931 | ||
8932 | real_time removed_mtime; | |
8933 | int r = index_op.complete_del(-1 /* pool */, 0, removed_mtime, NULL); | |
8934 | ||
8935 | return r; | |
8936 | } | |
8937 | ||
8938 | static void generate_fake_tag(RGWRados *store, map<string, bufferlist>& attrset, RGWObjManifest& manifest, bufferlist& manifest_bl, bufferlist& tag_bl) | |
8939 | { | |
8940 | string tag; | |
8941 | ||
8942 | RGWObjManifest::obj_iterator mi = manifest.obj_begin(); | |
8943 | if (mi != manifest.obj_end()) { | |
8944 | if (manifest.has_tail()) // first object usually points at the head, let's skip to a more unique part | |
8945 | ++mi; | |
8946 | tag = mi.get_location().get_raw_obj(store).oid; | |
8947 | tag.append("_"); | |
8948 | } | |
8949 | ||
8950 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
8951 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
8952 | MD5 hash; | |
8953 | hash.Update((const byte *)manifest_bl.c_str(), manifest_bl.length()); | |
8954 | ||
8955 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_ETAG); | |
8956 | if (iter != attrset.end()) { | |
8957 | bufferlist& bl = iter->second; | |
8958 | hash.Update((const byte *)bl.c_str(), bl.length()); | |
8959 | } | |
8960 | ||
8961 | hash.Final(md5); | |
8962 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
8963 | tag.append(md5_str); | |
8964 | ||
8965 | ldout(store->ctx(), 10) << "generate_fake_tag new tag=" << tag << dendl; | |
8966 | ||
8967 | tag_bl.append(tag.c_str(), tag.size() + 1); | |
8968 | } | |
8969 | ||
8970 | static bool is_olh(map<string, bufferlist>& attrs) | |
8971 | { | |
8972 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_INFO); | |
8973 | return (iter != attrs.end()); | |
8974 | } | |
8975 | ||
8976 | static bool has_olh_tag(map<string, bufferlist>& attrs) | |
8977 | { | |
8978 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_ID_TAG); | |
8979 | return (iter != attrs.end()); | |
8980 | } | |
8981 | ||
8982 | int RGWRados::get_olh_target_state(RGWObjectCtx& obj_ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
8983 | RGWObjState *olh_state, RGWObjState **target_state) | |
8984 | { | |
8985 | assert(olh_state->is_olh); | |
8986 | ||
8987 | rgw_obj target; | |
8988 | int r = RGWRados::follow_olh(bucket_info, obj_ctx, olh_state, obj, &target); /* might return -EAGAIN */ | |
8989 | if (r < 0) { | |
8990 | return r; | |
8991 | } | |
8992 | r = get_obj_state(&obj_ctx, bucket_info, target, target_state, false); | |
8993 | if (r < 0) { | |
8994 | return r; | |
8995 | } | |
8996 | ||
8997 | return 0; | |
8998 | } | |
8999 | ||
9000 | int RGWRados::get_system_obj_state_impl(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
9001 | { | |
9002 | if (obj.empty()) { | |
9003 | return -EINVAL; | |
9004 | } | |
9005 | ||
9006 | RGWRawObjState *s = rctx->raw.get_state(obj); | |
9007 | ldout(cct, 20) << "get_system_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
9008 | *state = s; | |
9009 | if (s->has_attrs) { | |
9010 | return 0; | |
9011 | } | |
9012 | ||
9013 | s->obj = obj; | |
9014 | ||
9015 | int r = raw_obj_stat(obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), objv_tracker); | |
9016 | if (r == -ENOENT) { | |
9017 | s->exists = false; | |
9018 | s->has_attrs = true; | |
9019 | s->mtime = real_time(); | |
9020 | return 0; | |
9021 | } | |
9022 | if (r < 0) | |
9023 | return r; | |
9024 | ||
9025 | s->exists = true; | |
9026 | s->has_attrs = true; | |
9027 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
9028 | ||
9029 | if (s->obj_tag.length()) | |
31f18b77 FG |
9030 | ldout(cct, 20) << "get_system_obj_state: setting s->obj_tag to " |
9031 | << s->obj_tag.c_str() << dendl; | |
7c673cae FG |
9032 | else |
9033 | ldout(cct, 20) << "get_system_obj_state: s->obj_tag was set empty" << dendl; | |
9034 | ||
9035 | return 0; | |
9036 | } | |
9037 | ||
9038 | int RGWRados::get_system_obj_state(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
9039 | { | |
9040 | int ret; | |
9041 | ||
9042 | do { | |
9043 | ret = get_system_obj_state_impl(rctx, obj, state, objv_tracker); | |
9044 | } while (ret == -EAGAIN); | |
9045 | ||
9046 | return ret; | |
9047 | } | |
9048 | ||
9049 | int RGWRados::get_obj_state_impl(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
9050 | RGWObjState **state, bool follow_olh, bool assume_noent) | |
9051 | { | |
9052 | if (obj.empty()) { | |
9053 | return -EINVAL; | |
9054 | } | |
9055 | ||
9056 | bool need_follow_olh = follow_olh && obj.key.instance.empty(); | |
9057 | ||
9058 | RGWObjState *s = rctx->obj.get_state(obj); | |
9059 | ldout(cct, 20) << "get_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
9060 | *state = s; | |
9061 | if (s->has_attrs) { | |
9062 | if (s->is_olh && need_follow_olh) { | |
9063 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
9064 | } | |
9065 | return 0; | |
9066 | } | |
9067 | ||
9068 | s->obj = obj; | |
9069 | ||
9070 | rgw_raw_obj raw_obj; | |
9071 | obj_to_raw(bucket_info.placement_rule, obj, &raw_obj); | |
9072 | ||
9073 | int r = -ENOENT; | |
9074 | ||
9075 | if (!assume_noent) { | |
9076 | r = RGWRados::raw_obj_stat(raw_obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), NULL); | |
9077 | } | |
9078 | ||
9079 | if (r == -ENOENT) { | |
9080 | s->exists = false; | |
9081 | s->has_attrs = true; | |
9082 | tombstone_entry entry; | |
9083 | if (obj_tombstone_cache && obj_tombstone_cache->find(obj, entry)) { | |
9084 | s->mtime = entry.mtime; | |
9085 | s->zone_short_id = entry.zone_short_id; | |
9086 | s->pg_ver = entry.pg_ver; | |
9087 | ldout(cct, 20) << __func__ << "(): found obj in tombstone cache: obj=" << obj | |
9088 | << " mtime=" << s->mtime << " pgv=" << s->pg_ver << dendl; | |
9089 | } else { | |
9090 | s->mtime = real_time(); | |
9091 | } | |
9092 | return 0; | |
9093 | } | |
9094 | if (r < 0) | |
9095 | return r; | |
9096 | ||
9097 | s->exists = true; | |
9098 | s->has_attrs = true; | |
9099 | s->accounted_size = s->size; | |
9100 | ||
9101 | auto iter = s->attrset.find(RGW_ATTR_COMPRESSION); | |
31f18b77 FG |
9102 | const bool compressed = (iter != s->attrset.end()); |
9103 | if (compressed) { | |
7c673cae FG |
9104 | // use uncompressed size for accounted_size |
9105 | try { | |
9106 | RGWCompressionInfo info; | |
9107 | auto p = iter->second.begin(); | |
9108 | ::decode(info, p); | |
31f18b77 | 9109 | s->accounted_size = info.orig_size; |
7c673cae FG |
9110 | } catch (buffer::error&) { |
9111 | dout(0) << "ERROR: could not decode compression info for object: " << obj << dendl; | |
9112 | return -EIO; | |
9113 | } | |
9114 | } | |
9115 | ||
9116 | iter = s->attrset.find(RGW_ATTR_SHADOW_OBJ); | |
9117 | if (iter != s->attrset.end()) { | |
9118 | bufferlist bl = iter->second; | |
9119 | bufferlist::iterator it = bl.begin(); | |
9120 | it.copy(bl.length(), s->shadow_obj); | |
9121 | s->shadow_obj[bl.length()] = '\0'; | |
9122 | } | |
9123 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
9124 | ||
9125 | bufferlist manifest_bl = s->attrset[RGW_ATTR_MANIFEST]; | |
9126 | if (manifest_bl.length()) { | |
9127 | bufferlist::iterator miter = manifest_bl.begin(); | |
9128 | try { | |
9129 | ::decode(s->manifest, miter); | |
9130 | s->has_manifest = true; | |
9131 | s->manifest.set_head(bucket_info.placement_rule, obj, s->size); /* patch manifest to reflect the head we just read, some manifests might be | |
9132 | broken due to old bugs */ | |
9133 | s->size = s->manifest.get_obj_size(); | |
31f18b77 FG |
9134 | if (!compressed) |
9135 | s->accounted_size = s->size; | |
7c673cae FG |
9136 | } catch (buffer::error& err) { |
9137 | ldout(cct, 0) << "ERROR: couldn't decode manifest" << dendl; | |
9138 | return -EIO; | |
9139 | } | |
9140 | ldout(cct, 10) << "manifest: total_size = " << s->manifest.get_obj_size() << dendl; | |
9141 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20) && s->manifest.has_explicit_objs()) { | |
9142 | RGWObjManifest::obj_iterator mi; | |
9143 | for (mi = s->manifest.obj_begin(); mi != s->manifest.obj_end(); ++mi) { | |
9144 | ldout(cct, 20) << "manifest: ofs=" << mi.get_ofs() << " loc=" << mi.get_location().get_raw_obj(this) << dendl; | |
9145 | } | |
9146 | } | |
9147 | ||
9148 | if (!s->obj_tag.length()) { | |
9149 | /* | |
9150 | * Uh oh, something's wrong, object with manifest should have tag. Let's | |
9151 | * create one out of the manifest, would be unique | |
9152 | */ | |
9153 | generate_fake_tag(this, s->attrset, s->manifest, manifest_bl, s->obj_tag); | |
9154 | s->fake_tag = true; | |
9155 | } | |
9156 | } | |
9157 | map<string, bufferlist>::iterator aiter = s->attrset.find(RGW_ATTR_PG_VER); | |
9158 | if (aiter != s->attrset.end()) { | |
9159 | bufferlist& pg_ver_bl = aiter->second; | |
9160 | if (pg_ver_bl.length()) { | |
9161 | bufferlist::iterator pgbl = pg_ver_bl.begin(); | |
9162 | try { | |
9163 | ::decode(s->pg_ver, pgbl); | |
9164 | } catch (buffer::error& err) { | |
9165 | ldout(cct, 0) << "ERROR: couldn't decode pg ver attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
9166 | } | |
9167 | } | |
9168 | } | |
9169 | aiter = s->attrset.find(RGW_ATTR_SOURCE_ZONE); | |
9170 | if (aiter != s->attrset.end()) { | |
9171 | bufferlist& zone_short_id_bl = aiter->second; | |
9172 | if (zone_short_id_bl.length()) { | |
9173 | bufferlist::iterator zbl = zone_short_id_bl.begin(); | |
9174 | try { | |
9175 | ::decode(s->zone_short_id, zbl); | |
9176 | } catch (buffer::error& err) { | |
9177 | ldout(cct, 0) << "ERROR: couldn't decode zone short id attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
9178 | } | |
9179 | } | |
9180 | } | |
9181 | if (s->obj_tag.length()) | |
31f18b77 | 9182 | ldout(cct, 20) << "get_obj_state: setting s->obj_tag to " << s->obj_tag.c_str() << dendl; |
7c673cae FG |
9183 | else |
9184 | ldout(cct, 20) << "get_obj_state: s->obj_tag was set empty" << dendl; | |
9185 | ||
9186 | /* an object might not be olh yet, but could have olh id tag, so we should set it anyway if | |
9187 | * it exist, and not only if is_olh() returns true | |
9188 | */ | |
9189 | iter = s->attrset.find(RGW_ATTR_OLH_ID_TAG); | |
9190 | if (iter != s->attrset.end()) { | |
9191 | s->olh_tag = iter->second; | |
9192 | } | |
9193 | ||
9194 | if (is_olh(s->attrset)) { | |
9195 | s->is_olh = true; | |
9196 | ||
9197 | ldout(cct, 20) << __func__ << ": setting s->olh_tag to " << string(s->olh_tag.c_str(), s->olh_tag.length()) << dendl; | |
9198 | ||
9199 | if (need_follow_olh) { | |
9200 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
9201 | } | |
9202 | } | |
9203 | ||
9204 | return 0; | |
9205 | } | |
9206 | ||
9207 | int RGWRados::get_obj_state(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWObjState **state, | |
9208 | bool follow_olh, bool assume_noent) | |
9209 | { | |
9210 | int ret; | |
9211 | ||
9212 | do { | |
9213 | ret = get_obj_state_impl(rctx, bucket_info, obj, state, follow_olh, assume_noent); | |
9214 | } while (ret == -EAGAIN); | |
9215 | ||
9216 | return ret; | |
9217 | } | |
9218 | ||
9219 | int RGWRados::Object::get_manifest(RGWObjManifest **pmanifest) | |
9220 | { | |
9221 | RGWObjState *astate; | |
9222 | int r = get_state(&astate, true); | |
9223 | if (r < 0) { | |
9224 | return r; | |
9225 | } | |
9226 | ||
9227 | *pmanifest = &astate->manifest; | |
9228 | ||
9229 | return 0; | |
9230 | } | |
9231 | ||
9232 | int RGWRados::Object::Read::get_attr(const char *name, bufferlist& dest) | |
9233 | { | |
9234 | RGWObjState *state; | |
9235 | int r = source->get_state(&state, true); | |
9236 | if (r < 0) | |
9237 | return r; | |
9238 | if (!state->exists) | |
9239 | return -ENOENT; | |
9240 | if (!state->get_attr(name, dest)) | |
9241 | return -ENODATA; | |
9242 | ||
9243 | return 0; | |
9244 | } | |
9245 | ||
9246 | ||
9247 | int RGWRados::Object::Stat::stat_async() | |
9248 | { | |
9249 | RGWObjectCtx& ctx = source->get_ctx(); | |
9250 | rgw_obj& obj = source->get_obj(); | |
9251 | RGWRados *store = source->get_store(); | |
9252 | ||
9253 | RGWObjState *s = ctx.obj.get_state(obj); /* calling this one directly because otherwise a sync request will be sent */ | |
9254 | result.obj = obj; | |
9255 | if (s->has_attrs) { | |
9256 | state.ret = 0; | |
9257 | result.size = s->size; | |
9258 | result.mtime = ceph::real_clock::to_timespec(s->mtime); | |
9259 | result.attrs = s->attrset; | |
9260 | result.has_manifest = s->has_manifest; | |
9261 | result.manifest = s->manifest; | |
9262 | return 0; | |
9263 | } | |
9264 | ||
9265 | string oid; | |
9266 | string loc; | |
9267 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
9268 | ||
9269 | int r = store->get_obj_head_ioctx(source->get_bucket_info(), obj, &state.io_ctx); | |
9270 | if (r < 0) { | |
9271 | return r; | |
9272 | } | |
9273 | ||
9274 | librados::ObjectReadOperation op; | |
9275 | op.stat2(&result.size, &result.mtime, NULL); | |
9276 | op.getxattrs(&result.attrs, NULL); | |
9277 | state.completion = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
9278 | state.io_ctx.locator_set_key(loc); | |
9279 | r = state.io_ctx.aio_operate(oid, state.completion, &op, NULL); | |
9280 | if (r < 0) { | |
9281 | ldout(store->ctx(), 5) << __func__ | |
9282 | << ": ERROR: aio_operate() returned ret=" << r | |
9283 | << dendl; | |
9284 | return r; | |
9285 | } | |
9286 | ||
9287 | return 0; | |
9288 | } | |
9289 | ||
9290 | ||
9291 | int RGWRados::Object::Stat::wait() | |
9292 | { | |
9293 | if (!state.completion) { | |
9294 | return state.ret; | |
9295 | } | |
9296 | ||
9297 | state.completion->wait_for_safe(); | |
9298 | state.ret = state.completion->get_return_value(); | |
9299 | state.completion->release(); | |
9300 | ||
9301 | if (state.ret != 0) { | |
9302 | return state.ret; | |
9303 | } | |
9304 | ||
9305 | return finish(); | |
9306 | } | |
9307 | ||
9308 | int RGWRados::Object::Stat::finish() | |
9309 | { | |
9310 | map<string, bufferlist>::iterator iter = result.attrs.find(RGW_ATTR_MANIFEST); | |
9311 | if (iter != result.attrs.end()) { | |
9312 | bufferlist& bl = iter->second; | |
9313 | bufferlist::iterator biter = bl.begin(); | |
9314 | try { | |
9315 | ::decode(result.manifest, biter); | |
9316 | } catch (buffer::error& err) { | |
9317 | RGWRados *store = source->get_store(); | |
9318 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << ": failed to decode manifest" << dendl; | |
9319 | return -EIO; | |
9320 | } | |
9321 | result.has_manifest = true; | |
9322 | } | |
9323 | ||
9324 | return 0; | |
9325 | } | |
9326 | ||
9327 | /** | |
31f18b77 FG |
9328 | * Get an attribute for a system object. |
9329 | * obj: the object to get attr | |
7c673cae FG |
9330 | * name: name of the attr to retrieve |
9331 | * dest: bufferlist to store the result in | |
9332 | * Returns: 0 on success, -ERR# otherwise. | |
9333 | */ | |
9334 | int RGWRados::system_obj_get_attr(rgw_raw_obj& obj, const char *name, bufferlist& dest) | |
9335 | { | |
9336 | rgw_rados_ref ref; | |
224ce89b | 9337 | int r = get_system_obj_ref(obj, &ref); |
7c673cae FG |
9338 | if (r < 0) { |
9339 | return r; | |
9340 | } | |
9341 | ||
9342 | ObjectReadOperation op; | |
9343 | ||
9344 | int rval; | |
9345 | op.getxattr(name, &dest, &rval); | |
9346 | ||
9347 | r = ref.ioctx.operate(ref.oid, &op, NULL); | |
9348 | if (r < 0) | |
9349 | return r; | |
9350 | ||
9351 | return 0; | |
9352 | } | |
9353 | ||
9354 | int RGWRados::append_atomic_test(RGWObjectCtx *rctx, | |
9355 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
9356 | ObjectOperation& op, RGWObjState **pstate) | |
9357 | { | |
9358 | if (!rctx) | |
9359 | return 0; | |
9360 | ||
9361 | int r = get_obj_state(rctx, bucket_info, obj, pstate, false); | |
9362 | if (r < 0) | |
9363 | return r; | |
9364 | ||
9365 | RGWObjState *state = *pstate; | |
9366 | ||
9367 | if (!state->is_atomic) { | |
9368 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not appending atomic test" << dendl; | |
9369 | return 0; | |
9370 | } | |
9371 | ||
9372 | if (state->obj_tag.length() > 0 && !state->fake_tag) {// check for backward compatibility | |
9373 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9374 | } else { | |
9375 | ldout(cct, 20) << "state->obj_tag is empty, not appending atomic test" << dendl; | |
9376 | } | |
9377 | return 0; | |
9378 | } | |
9379 | ||
9380 | int RGWRados::Object::get_state(RGWObjState **pstate, bool follow_olh, bool assume_noent) | |
9381 | { | |
9382 | return store->get_obj_state(&ctx, bucket_info, obj, pstate, follow_olh, assume_noent); | |
9383 | } | |
9384 | ||
9385 | void RGWRados::Object::invalidate_state() | |
9386 | { | |
9387 | ctx.obj.invalidate(obj); | |
9388 | } | |
9389 | ||
9390 | void RGWRados::SystemObject::invalidate_state() | |
9391 | { | |
9392 | ctx.raw.invalidate(obj); | |
9393 | } | |
9394 | ||
9395 | int RGWRados::Object::prepare_atomic_modification(ObjectWriteOperation& op, bool reset_obj, const string *ptag, | |
9396 | const char *if_match, const char *if_nomatch, bool removal_op) | |
9397 | { | |
9398 | int r = get_state(&state, false); | |
9399 | if (r < 0) | |
9400 | return r; | |
9401 | ||
9402 | bool need_guard = (state->has_manifest || (state->obj_tag.length() != 0) || | |
9403 | if_match != NULL || if_nomatch != NULL) && | |
9404 | (!state->fake_tag); | |
9405 | ||
9406 | if (!state->is_atomic) { | |
9407 | ldout(store->ctx(), 20) << "prepare_atomic_modification: state is not atomic. state=" << (void *)state << dendl; | |
9408 | ||
9409 | if (reset_obj) { | |
9410 | op.create(false); | |
9411 | store->remove_rgw_head_obj(op); // we're not dropping reference here, actually removing object | |
9412 | } | |
9413 | ||
9414 | return 0; | |
9415 | } | |
9416 | ||
9417 | if (need_guard) { | |
9418 | /* first verify that the object wasn't replaced under */ | |
9419 | if (if_nomatch == NULL || strcmp(if_nomatch, "*") != 0) { | |
9420 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9421 | // FIXME: need to add FAIL_NOTEXIST_OK for racing deletion | |
9422 | } | |
9423 | ||
9424 | if (if_match) { | |
9425 | if (strcmp(if_match, "*") == 0) { | |
9426 | // test the object is existing | |
9427 | if (!state->exists) { | |
9428 | return -ERR_PRECONDITION_FAILED; | |
9429 | } | |
9430 | } else { | |
9431 | bufferlist bl; | |
9432 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9433 | strncmp(if_match, bl.c_str(), bl.length()) != 0) { | |
9434 | return -ERR_PRECONDITION_FAILED; | |
9435 | } | |
9436 | } | |
9437 | } | |
9438 | ||
9439 | if (if_nomatch) { | |
9440 | if (strcmp(if_nomatch, "*") == 0) { | |
9441 | // test the object is NOT existing | |
9442 | if (state->exists) { | |
9443 | return -ERR_PRECONDITION_FAILED; | |
9444 | } | |
9445 | } else { | |
9446 | bufferlist bl; | |
9447 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9448 | strncmp(if_nomatch, bl.c_str(), bl.length()) == 0) { | |
9449 | return -ERR_PRECONDITION_FAILED; | |
9450 | } | |
9451 | } | |
9452 | } | |
9453 | } | |
9454 | ||
9455 | if (reset_obj) { | |
9456 | if (state->exists) { | |
9457 | op.create(false); | |
9458 | store->remove_rgw_head_obj(op); | |
9459 | } else { | |
9460 | op.create(true); | |
9461 | } | |
9462 | } | |
9463 | ||
9464 | if (removal_op) { | |
9465 | /* the object is being removed, no need to update its tag */ | |
9466 | return 0; | |
9467 | } | |
9468 | ||
9469 | if (ptag) { | |
9470 | state->write_tag = *ptag; | |
9471 | } else { | |
9472 | append_rand_alpha(store->ctx(), state->write_tag, state->write_tag, 32); | |
9473 | } | |
9474 | bufferlist bl; | |
9475 | bl.append(state->write_tag.c_str(), state->write_tag.size() + 1); | |
9476 | ||
9477 | ldout(store->ctx(), 10) << "setting object write_tag=" << state->write_tag << dendl; | |
9478 | ||
9479 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9480 | ||
9481 | return 0; | |
9482 | } | |
9483 | ||
9484 | int RGWRados::system_obj_set_attr(void *ctx, rgw_raw_obj& obj, const char *name, bufferlist& bl, | |
9485 | RGWObjVersionTracker *objv_tracker) | |
9486 | { | |
9487 | map<string, bufferlist> attrs; | |
9488 | attrs[name] = bl; | |
9489 | return system_obj_set_attrs(ctx, obj, attrs, NULL, objv_tracker); | |
9490 | } | |
9491 | ||
9492 | int RGWRados::system_obj_set_attrs(void *ctx, rgw_raw_obj& obj, | |
9493 | map<string, bufferlist>& attrs, | |
9494 | map<string, bufferlist>* rmattrs, | |
9495 | RGWObjVersionTracker *objv_tracker) | |
9496 | { | |
9497 | rgw_rados_ref ref; | |
224ce89b | 9498 | int r = get_system_obj_ref(obj, &ref); |
7c673cae FG |
9499 | if (r < 0) { |
9500 | return r; | |
9501 | } | |
9502 | ObjectWriteOperation op; | |
9503 | ||
9504 | if (objv_tracker) { | |
9505 | objv_tracker->prepare_op_for_write(&op); | |
9506 | } | |
9507 | ||
9508 | map<string, bufferlist>::iterator iter; | |
9509 | if (rmattrs) { | |
9510 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9511 | const string& name = iter->first; | |
9512 | op.rmxattr(name.c_str()); | |
9513 | } | |
9514 | } | |
9515 | ||
9516 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9517 | const string& name = iter->first; | |
9518 | bufferlist& bl = iter->second; | |
9519 | ||
9520 | if (!bl.length()) | |
9521 | continue; | |
9522 | ||
9523 | op.setxattr(name.c_str(), bl); | |
9524 | } | |
9525 | ||
9526 | if (!op.size()) | |
9527 | return 0; | |
9528 | ||
9529 | bufferlist bl; | |
9530 | ||
9531 | r = ref.ioctx.operate(ref.oid, &op); | |
9532 | if (r < 0) | |
9533 | return r; | |
9534 | ||
9535 | return 0; | |
9536 | } | |
9537 | ||
9538 | /** | |
9539 | * Set an attr on an object. | |
9540 | * bucket: name of the bucket holding the object | |
9541 | * obj: name of the object to set the attr on | |
9542 | * name: the attr to set | |
9543 | * bl: the contents of the attr | |
9544 | * Returns: 0 on success, -ERR# otherwise. | |
9545 | */ | |
9546 | int RGWRados::set_attr(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, const char *name, bufferlist& bl) | |
9547 | { | |
9548 | map<string, bufferlist> attrs; | |
9549 | attrs[name] = bl; | |
9550 | return set_attrs(ctx, bucket_info, obj, attrs, NULL); | |
9551 | } | |
9552 | ||
9553 | int RGWRados::set_attrs(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, | |
9554 | map<string, bufferlist>& attrs, | |
9555 | map<string, bufferlist>* rmattrs) | |
9556 | { | |
9557 | rgw_rados_ref ref; | |
9558 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
9559 | if (r < 0) { | |
9560 | return r; | |
9561 | } | |
9562 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
9563 | ||
9564 | ObjectWriteOperation op; | |
9565 | RGWObjState *state = NULL; | |
9566 | ||
9567 | r = append_atomic_test(rctx, bucket_info, obj, op, &state); | |
9568 | if (r < 0) | |
9569 | return r; | |
9570 | ||
9571 | map<string, bufferlist>::iterator iter; | |
9572 | if (rmattrs) { | |
9573 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9574 | const string& name = iter->first; | |
9575 | op.rmxattr(name.c_str()); | |
9576 | } | |
9577 | } | |
9578 | ||
9579 | const rgw_bucket& bucket = obj.bucket; | |
9580 | ||
9581 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9582 | const string& name = iter->first; | |
9583 | bufferlist& bl = iter->second; | |
9584 | ||
9585 | if (!bl.length()) | |
9586 | continue; | |
9587 | ||
9588 | op.setxattr(name.c_str(), bl); | |
9589 | ||
9590 | if (name.compare(RGW_ATTR_DELETE_AT) == 0) { | |
9591 | real_time ts; | |
9592 | try { | |
9593 | ::decode(ts, bl); | |
9594 | ||
9595 | rgw_obj_index_key obj_key; | |
9596 | obj.key.get_index_key(&obj_key); | |
9597 | ||
9598 | objexp_hint_add(ts, bucket.tenant, bucket.name, bucket.bucket_id, obj_key); | |
9599 | } catch (buffer::error& err) { | |
9600 | ldout(cct, 0) << "ERROR: failed to decode " RGW_ATTR_DELETE_AT << " attr" << dendl; | |
9601 | } | |
9602 | } | |
9603 | } | |
9604 | ||
9605 | if (!op.size()) | |
9606 | return 0; | |
9607 | ||
9608 | RGWObjectCtx obj_ctx(this); | |
9609 | ||
9610 | bufferlist bl; | |
9611 | RGWRados::Bucket bop(this, bucket_info); | |
9612 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
9613 | ||
9614 | if (state) { | |
9615 | string tag; | |
9616 | append_rand_alpha(cct, tag, tag, 32); | |
9617 | state->write_tag = tag; | |
9618 | r = index_op.prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
9619 | ||
9620 | if (r < 0) | |
9621 | return r; | |
9622 | ||
9623 | bl.append(tag.c_str(), tag.size() + 1); | |
9624 | ||
9625 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9626 | } | |
9627 | ||
9628 | r = ref.ioctx.operate(ref.oid, &op); | |
9629 | if (state) { | |
9630 | if (r >= 0) { | |
9631 | bufferlist acl_bl = attrs[RGW_ATTR_ACL]; | |
9632 | bufferlist etag_bl = attrs[RGW_ATTR_ETAG]; | |
9633 | bufferlist content_type_bl = attrs[RGW_ATTR_CONTENT_TYPE]; | |
9634 | string etag(etag_bl.c_str(), etag_bl.length()); | |
9635 | string content_type(content_type_bl.c_str(), content_type_bl.length()); | |
9636 | uint64_t epoch = ref.ioctx.get_last_version(); | |
9637 | int64_t poolid = ref.ioctx.get_id(); | |
9638 | real_time mtime = real_clock::now(); | |
9639 | r = index_op.complete(poolid, epoch, state->size, state->accounted_size, | |
9640 | mtime, etag, content_type, &acl_bl, | |
9641 | RGW_OBJ_CATEGORY_MAIN, NULL); | |
9642 | } else { | |
9643 | int ret = index_op.cancel(); | |
9644 | if (ret < 0) { | |
9645 | ldout(cct, 0) << "ERROR: complete_update_index_cancel() returned ret=" << ret << dendl; | |
9646 | } | |
9647 | } | |
9648 | } | |
9649 | if (r < 0) | |
9650 | return r; | |
9651 | ||
9652 | if (state) { | |
9653 | state->obj_tag.swap(bl); | |
9654 | if (rmattrs) { | |
9655 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9656 | state->attrset.erase(iter->first); | |
9657 | } | |
9658 | } | |
9659 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9660 | state->attrset[iter->first] = iter->second; | |
9661 | } | |
9662 | } | |
9663 | ||
9664 | return 0; | |
9665 | } | |
9666 | ||
7c673cae FG |
9667 | int RGWRados::Object::Read::prepare() |
9668 | { | |
9669 | RGWRados *store = source->get_store(); | |
9670 | CephContext *cct = store->ctx(); | |
9671 | ||
9672 | bufferlist etag; | |
9673 | ||
9674 | map<string, bufferlist>::iterator iter; | |
9675 | ||
9676 | RGWObjState *astate; | |
9677 | int r = source->get_state(&astate, true); | |
9678 | if (r < 0) | |
9679 | return r; | |
9680 | ||
9681 | if (!astate->exists) { | |
9682 | return -ENOENT; | |
9683 | } | |
9684 | ||
9685 | const RGWBucketInfo& bucket_info = source->get_bucket_info(); | |
9686 | ||
9687 | state.obj = astate->obj; | |
9688 | store->obj_to_raw(bucket_info.placement_rule, state.obj, &state.head_obj); | |
9689 | ||
9690 | r = store->get_obj_head_ioctx(bucket_info, state.obj, &state.io_ctx); | |
9691 | if (r < 0) { | |
9692 | return r; | |
9693 | } | |
9694 | if (params.attrs) { | |
9695 | *params.attrs = astate->attrset; | |
9696 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9697 | for (iter = params.attrs->begin(); iter != params.attrs->end(); ++iter) { | |
9698 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9699 | } | |
9700 | } | |
9701 | } | |
9702 | ||
9703 | /* Convert all times go GMT to make them compatible */ | |
9704 | if (conds.mod_ptr || conds.unmod_ptr) { | |
9705 | obj_time_weight src_weight; | |
9706 | src_weight.init(astate); | |
9707 | src_weight.high_precision = conds.high_precision_time; | |
9708 | ||
9709 | obj_time_weight dest_weight; | |
9710 | dest_weight.high_precision = conds.high_precision_time; | |
9711 | ||
9712 | if (conds.mod_ptr) { | |
9713 | dest_weight.init(*conds.mod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9714 | ldout(cct, 10) << "If-Modified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9715 | if (!(dest_weight < src_weight)) { | |
9716 | return -ERR_NOT_MODIFIED; | |
9717 | } | |
9718 | } | |
9719 | ||
9720 | if (conds.unmod_ptr) { | |
9721 | dest_weight.init(*conds.unmod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9722 | ldout(cct, 10) << "If-UnModified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9723 | if (dest_weight < src_weight) { | |
9724 | return -ERR_PRECONDITION_FAILED; | |
9725 | } | |
9726 | } | |
9727 | } | |
9728 | if (conds.if_match || conds.if_nomatch) { | |
9729 | r = get_attr(RGW_ATTR_ETAG, etag); | |
9730 | if (r < 0) | |
9731 | return r; | |
9732 | ||
9733 | if (conds.if_match) { | |
9734 | string if_match_str = rgw_string_unquote(conds.if_match); | |
9735 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-Match: " << if_match_str << dendl; | |
9736 | if (if_match_str.compare(etag.c_str()) != 0) { | |
9737 | return -ERR_PRECONDITION_FAILED; | |
9738 | } | |
9739 | } | |
9740 | ||
9741 | if (conds.if_nomatch) { | |
9742 | string if_nomatch_str = rgw_string_unquote(conds.if_nomatch); | |
9743 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-NoMatch: " << if_nomatch_str << dendl; | |
9744 | if (if_nomatch_str.compare(etag.c_str()) == 0) { | |
9745 | return -ERR_NOT_MODIFIED; | |
9746 | } | |
9747 | } | |
9748 | } | |
9749 | ||
9750 | if (params.obj_size) | |
9751 | *params.obj_size = astate->size; | |
9752 | if (params.lastmod) | |
9753 | *params.lastmod = astate->mtime; | |
9754 | ||
9755 | return 0; | |
9756 | } | |
9757 | ||
9758 | int RGWRados::Object::Read::range_to_ofs(uint64_t obj_size, int64_t &ofs, int64_t &end) | |
9759 | { | |
9760 | if (ofs < 0) { | |
9761 | ofs += obj_size; | |
9762 | if (ofs < 0) | |
9763 | ofs = 0; | |
9764 | end = obj_size - 1; | |
9765 | } else if (end < 0) { | |
9766 | end = obj_size - 1; | |
9767 | } | |
9768 | ||
9769 | if (obj_size > 0) { | |
9770 | if (ofs >= (off_t)obj_size) { | |
9771 | return -ERANGE; | |
9772 | } | |
9773 | if (end >= (off_t)obj_size) { | |
9774 | end = obj_size - 1; | |
9775 | } | |
9776 | } | |
9777 | return 0; | |
9778 | } | |
9779 | ||
9780 | int RGWRados::SystemObject::get_state(RGWRawObjState **pstate, RGWObjVersionTracker *objv_tracker) | |
9781 | { | |
9782 | return store->get_system_obj_state(&ctx, obj, pstate, objv_tracker); | |
9783 | } | |
9784 | ||
9785 | int RGWRados::stat_system_obj(RGWObjectCtx& obj_ctx, | |
9786 | RGWRados::SystemObject::Read::GetObjState& state, | |
9787 | rgw_raw_obj& obj, | |
9788 | map<string, bufferlist> *attrs, | |
9789 | real_time *lastmod, | |
9790 | uint64_t *obj_size, | |
9791 | RGWObjVersionTracker *objv_tracker) | |
9792 | { | |
9793 | RGWRawObjState *astate = NULL; | |
9794 | ||
9795 | int r = get_system_obj_state(&obj_ctx, obj, &astate, objv_tracker); | |
9796 | if (r < 0) | |
9797 | return r; | |
9798 | ||
9799 | if (!astate->exists) { | |
9800 | return -ENOENT; | |
9801 | } | |
9802 | ||
9803 | if (attrs) { | |
9804 | *attrs = astate->attrset; | |
9805 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9806 | map<string, bufferlist>::iterator iter; | |
9807 | for (iter = attrs->begin(); iter != attrs->end(); ++iter) { | |
9808 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9809 | } | |
9810 | } | |
9811 | } | |
9812 | ||
9813 | if (obj_size) | |
9814 | *obj_size = astate->size; | |
9815 | if (lastmod) | |
9816 | *lastmod = astate->mtime; | |
9817 | ||
9818 | return 0; | |
9819 | } | |
9820 | ||
31f18b77 FG |
9821 | |
9822 | int RGWRados::Bucket::UpdateIndex::guard_reshard(BucketShard **pbs, std::function<int(BucketShard *)> call) | |
9823 | { | |
9824 | RGWRados *store = target->get_store(); | |
9825 | BucketShard *bs; | |
9826 | int r; | |
9827 | ||
9828 | #define NUM_RESHARD_RETRIES 10 | |
9829 | for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) { | |
9830 | int ret = get_bucket_shard(&bs); | |
9831 | if (ret < 0) { | |
9832 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9833 | return ret; | |
9834 | } | |
9835 | r = call(bs); | |
9836 | if (r != -ERR_BUSY_RESHARDING) { | |
9837 | break; | |
9838 | } | |
9839 | ldout(store->ctx(), 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl; | |
9840 | string new_bucket_id; | |
9841 | r = store->block_while_resharding(bs, &new_bucket_id); | |
9842 | if (r == -ERR_BUSY_RESHARDING) { | |
9843 | continue; | |
9844 | } | |
9845 | if (r < 0) { | |
9846 | return r; | |
9847 | } | |
9848 | ldout(store->ctx(), 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl; | |
9849 | i = 0; /* resharding is finished, make sure we can retry */ | |
9850 | r = target->update_bucket_id(new_bucket_id); | |
9851 | if (r < 0) { | |
9852 | ldout(store->ctx(), 0) << "ERROR: update_bucket_id() new_bucket_id=" << new_bucket_id << " returned r=" << r << dendl; | |
9853 | return r; | |
9854 | } | |
9855 | invalidate_bs(); | |
9856 | } | |
9857 | ||
9858 | if (r < 0) { | |
9859 | return r; | |
9860 | } | |
9861 | ||
9862 | if (pbs) { | |
9863 | *pbs = bs; | |
9864 | } | |
9865 | ||
9866 | return 0; | |
9867 | } | |
9868 | ||
7c673cae FG |
9869 | int RGWRados::SystemObject::Read::stat(RGWObjVersionTracker *objv_tracker) |
9870 | { | |
9871 | RGWRados *store = source->get_store(); | |
9872 | rgw_raw_obj& obj = source->get_obj(); | |
9873 | ||
9874 | return store->stat_system_obj(source->get_ctx(), state, obj, stat_params.attrs, | |
9875 | stat_params.lastmod, stat_params.obj_size, objv_tracker); | |
9876 | } | |
9877 | ||
9878 | int RGWRados::Bucket::UpdateIndex::prepare(RGWModifyOp op, const string *write_tag) | |
9879 | { | |
9880 | if (blind) { | |
9881 | return 0; | |
9882 | } | |
9883 | RGWRados *store = target->get_store(); | |
7c673cae FG |
9884 | |
9885 | if (write_tag && write_tag->length()) { | |
9886 | optag = string(write_tag->c_str(), write_tag->length()); | |
9887 | } else { | |
9888 | if (optag.empty()) { | |
9889 | append_rand_alpha(store->ctx(), optag, optag, 32); | |
9890 | } | |
9891 | } | |
9892 | ||
31f18b77 FG |
9893 | int r = guard_reshard(nullptr, [&](BucketShard *bs) -> int { |
9894 | return store->cls_obj_prepare_op(*bs, op, optag, obj, bilog_flags, zones_trace); | |
9895 | }); | |
9896 | ||
7c673cae FG |
9897 | if (r < 0) { |
9898 | return r; | |
9899 | } | |
9900 | prepared = true; | |
31f18b77 | 9901 | |
7c673cae FG |
9902 | return 0; |
9903 | } | |
9904 | ||
9905 | int RGWRados::Bucket::UpdateIndex::complete(int64_t poolid, uint64_t epoch, | |
9906 | uint64_t size, uint64_t accounted_size, | |
9907 | ceph::real_time& ut, const string& etag, | |
9908 | const string& content_type, | |
9909 | bufferlist *acl_bl, | |
9910 | RGWObjCategory category, | |
9911 | list<rgw_obj_index_key> *remove_objs, const string *user_data) | |
9912 | { | |
9913 | if (blind) { | |
9914 | return 0; | |
9915 | } | |
9916 | RGWRados *store = target->get_store(); | |
9917 | BucketShard *bs; | |
31f18b77 | 9918 | |
7c673cae FG |
9919 | int ret = get_bucket_shard(&bs); |
9920 | if (ret < 0) { | |
9921 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9922 | return ret; | |
9923 | } | |
9924 | ||
9925 | rgw_bucket_dir_entry ent; | |
9926 | obj.key.get_index_key(&ent.key); | |
9927 | ent.meta.size = size; | |
9928 | ent.meta.accounted_size = accounted_size; | |
9929 | ent.meta.mtime = ut; | |
9930 | ent.meta.etag = etag; | |
9931 | if (user_data) | |
9932 | ent.meta.user_data = *user_data; | |
9933 | ||
9934 | ACLOwner owner; | |
9935 | if (acl_bl && acl_bl->length()) { | |
9936 | int ret = store->decode_policy(*acl_bl, &owner); | |
9937 | if (ret < 0) { | |
9938 | ldout(store->ctx(), 0) << "WARNING: could not decode policy ret=" << ret << dendl; | |
9939 | } | |
9940 | } | |
9941 | ent.meta.owner = owner.get_id().to_str(); | |
9942 | ent.meta.owner_display_name = owner.get_display_name(); | |
9943 | ent.meta.content_type = content_type; | |
9944 | ||
31f18b77 | 9945 | ret = store->cls_obj_complete_add(*bs, obj, optag, poolid, epoch, ent, category, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
9946 | |
9947 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9948 | if (r < 0) { | |
9949 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9950 | } | |
9951 | ||
9952 | return ret; | |
9953 | } | |
9954 | ||
9955 | int RGWRados::Bucket::UpdateIndex::complete_del(int64_t poolid, uint64_t epoch, | |
9956 | real_time& removed_mtime, | |
9957 | list<rgw_obj_index_key> *remove_objs) | |
9958 | { | |
9959 | if (blind) { | |
9960 | return 0; | |
9961 | } | |
9962 | RGWRados *store = target->get_store(); | |
9963 | BucketShard *bs; | |
31f18b77 | 9964 | |
7c673cae FG |
9965 | int ret = get_bucket_shard(&bs); |
9966 | if (ret < 0) { | |
9967 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9968 | return ret; | |
9969 | } | |
9970 | ||
31f18b77 | 9971 | ret = store->cls_obj_complete_del(*bs, optag, poolid, epoch, obj, removed_mtime, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
9972 | |
9973 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9974 | if (r < 0) { | |
9975 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9976 | } | |
9977 | ||
9978 | return ret; | |
9979 | } | |
9980 | ||
9981 | ||
9982 | int RGWRados::Bucket::UpdateIndex::cancel() | |
9983 | { | |
9984 | if (blind) { | |
9985 | return 0; | |
9986 | } | |
9987 | RGWRados *store = target->get_store(); | |
9988 | BucketShard *bs; | |
7c673cae | 9989 | |
31f18b77 FG |
9990 | int ret = guard_reshard(&bs, [&](BucketShard *bs) -> int { |
9991 | return store->cls_obj_complete_cancel(*bs, optag, obj, bilog_flags, zones_trace); | |
9992 | }); | |
7c673cae FG |
9993 | |
9994 | /* | |
9995 | * need to update data log anyhow, so that whoever follows needs to update its internal markers | |
9996 | * for following the specific bucket shard log. Otherwise they end up staying behind, and users | |
9997 | * have no way to tell that they're all caught up | |
9998 | */ | |
9999 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
10000 | if (r < 0) { | |
10001 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
10002 | } | |
10003 | ||
10004 | return ret; | |
10005 | } | |
10006 | ||
10007 | int RGWRados::Object::Read::read(int64_t ofs, int64_t end, bufferlist& bl) | |
10008 | { | |
10009 | RGWRados *store = source->get_store(); | |
10010 | CephContext *cct = store->ctx(); | |
10011 | ||
10012 | std::string oid, key; | |
10013 | rgw_raw_obj read_obj; | |
10014 | uint64_t read_ofs = ofs; | |
10015 | uint64_t len, read_len; | |
10016 | bool reading_from_head = true; | |
10017 | ObjectReadOperation op; | |
10018 | ||
10019 | bool merge_bl = false; | |
10020 | bufferlist *pbl = &bl; | |
10021 | bufferlist read_bl; | |
10022 | uint64_t max_chunk_size; | |
10023 | ||
10024 | RGWObjState *astate; | |
10025 | int r = source->get_state(&astate, true); | |
10026 | if (r < 0) | |
10027 | return r; | |
10028 | ||
10029 | if (end < 0) | |
10030 | len = 0; | |
10031 | else | |
10032 | len = end - ofs + 1; | |
10033 | ||
10034 | if (astate->has_manifest && astate->manifest.has_tail()) { | |
10035 | /* now get the relevant object part */ | |
10036 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
10037 | ||
10038 | uint64_t stripe_ofs = iter.get_stripe_ofs(); | |
10039 | read_obj = iter.get_location().get_raw_obj(store); | |
10040 | len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
10041 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
10042 | reading_from_head = (read_obj == state.head_obj); | |
10043 | } else { | |
10044 | read_obj = state.head_obj; | |
10045 | } | |
10046 | ||
10047 | r = store->get_max_chunk_size(read_obj.pool, &max_chunk_size); | |
10048 | if (r < 0) { | |
10049 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for pool " << read_obj.pool << dendl; | |
10050 | return r; | |
10051 | } | |
10052 | ||
10053 | if (len > max_chunk_size) | |
10054 | len = max_chunk_size; | |
10055 | ||
10056 | ||
10057 | state.io_ctx.locator_set_key(read_obj.loc); | |
10058 | ||
10059 | read_len = len; | |
10060 | ||
10061 | if (reading_from_head) { | |
10062 | /* only when reading from the head object do we need to do the atomic test */ | |
10063 | r = store->append_atomic_test(&source->get_ctx(), source->get_bucket_info(), state.obj, op, &astate); | |
10064 | if (r < 0) | |
10065 | return r; | |
10066 | ||
10067 | if (astate && astate->prefetch_data) { | |
10068 | if (!ofs && astate->data.length() >= len) { | |
10069 | bl = astate->data; | |
10070 | return bl.length(); | |
10071 | } | |
10072 | ||
10073 | if (ofs < astate->data.length()) { | |
10074 | unsigned copy_len = min((uint64_t)astate->data.length() - ofs, len); | |
10075 | astate->data.copy(ofs, copy_len, bl); | |
10076 | read_len -= copy_len; | |
10077 | read_ofs += copy_len; | |
10078 | if (!read_len) | |
10079 | return bl.length(); | |
10080 | ||
10081 | merge_bl = true; | |
10082 | pbl = &read_bl; | |
10083 | } | |
10084 | } | |
10085 | } | |
10086 | ||
10087 | ldout(cct, 20) << "rados->read obj-ofs=" << ofs << " read_ofs=" << read_ofs << " read_len=" << read_len << dendl; | |
10088 | op.read(read_ofs, read_len, pbl, NULL); | |
10089 | ||
10090 | r = state.io_ctx.operate(read_obj.oid, &op, NULL); | |
10091 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10092 | ||
10093 | if (r < 0) { | |
10094 | return r; | |
10095 | } | |
10096 | ||
10097 | if (merge_bl) { | |
10098 | bl.append(read_bl); | |
10099 | } | |
10100 | ||
10101 | return bl.length(); | |
10102 | } | |
10103 | ||
10104 | int RGWRados::SystemObject::Read::GetObjState::get_ref(RGWRados *store, rgw_raw_obj& obj, rgw_rados_ref **pref) | |
10105 | { | |
10106 | if (!has_ref) { | |
224ce89b | 10107 | int r = store->get_raw_obj_ref(obj, &ref); |
7c673cae FG |
10108 | if (r < 0) { |
10109 | return r; | |
10110 | } | |
10111 | has_ref = true; | |
10112 | } | |
10113 | *pref = &ref; | |
10114 | return 0; | |
10115 | ||
10116 | } | |
10117 | ||
10118 | int RGWRados::get_system_obj(RGWObjectCtx& obj_ctx, RGWRados::SystemObject::Read::GetObjState& read_state, | |
10119 | RGWObjVersionTracker *objv_tracker, rgw_raw_obj& obj, | |
10120 | bufferlist& bl, off_t ofs, off_t end, | |
10121 | map<string, bufferlist> *attrs, | |
10122 | rgw_cache_entry_info *cache_info) | |
10123 | { | |
10124 | uint64_t len; | |
10125 | ObjectReadOperation op; | |
10126 | ||
10127 | if (end < 0) | |
10128 | len = 0; | |
10129 | else | |
10130 | len = end - ofs + 1; | |
10131 | ||
10132 | if (objv_tracker) { | |
10133 | objv_tracker->prepare_op_for_read(&op); | |
10134 | } | |
10135 | ||
10136 | ldout(cct, 20) << "rados->read ofs=" << ofs << " len=" << len << dendl; | |
10137 | op.read(ofs, len, &bl, NULL); | |
10138 | ||
10139 | if (attrs) { | |
10140 | op.getxattrs(attrs, NULL); | |
10141 | } | |
10142 | ||
10143 | rgw_rados_ref *ref; | |
10144 | int r = read_state.get_ref(this, obj, &ref); | |
10145 | if (r < 0) { | |
10146 | ldout(cct, 20) << "read_state.get_ref() on obj=" << obj << " returned " << r << dendl; | |
10147 | return r; | |
10148 | } | |
10149 | r = ref->ioctx.operate(ref->oid, &op, NULL); | |
10150 | if (r < 0) { | |
10151 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10152 | return r; | |
10153 | } | |
10154 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10155 | ||
10156 | uint64_t op_ver = ref->ioctx.get_last_version(); | |
10157 | ||
10158 | if (read_state.last_ver > 0 && | |
10159 | read_state.last_ver != op_ver) { | |
10160 | ldout(cct, 5) << "raced with an object write, abort" << dendl; | |
10161 | return -ECANCELED; | |
10162 | } | |
10163 | ||
10164 | read_state.last_ver = op_ver; | |
10165 | ||
10166 | return bl.length(); | |
10167 | } | |
10168 | ||
10169 | int RGWRados::SystemObject::Read::read(int64_t ofs, int64_t end, bufferlist& bl, RGWObjVersionTracker *objv_tracker) | |
10170 | { | |
10171 | RGWRados *store = source->get_store(); | |
10172 | rgw_raw_obj& obj = source->get_obj(); | |
10173 | ||
10174 | return store->get_system_obj(source->get_ctx(), state, objv_tracker, obj, bl, ofs, end, read_params.attrs, read_params.cache_info); | |
10175 | } | |
10176 | ||
10177 | int RGWRados::SystemObject::Read::get_attr(const char *name, bufferlist& dest) | |
10178 | { | |
10179 | RGWRados *store = source->get_store(); | |
10180 | rgw_raw_obj& obj = source->get_obj(); | |
10181 | ||
10182 | return store->system_obj_get_attr(obj, name, dest); | |
10183 | } | |
10184 | ||
10185 | struct get_obj_data; | |
10186 | ||
10187 | struct get_obj_aio_data { | |
10188 | struct get_obj_data *op_data; | |
10189 | off_t ofs; | |
10190 | off_t len; | |
10191 | }; | |
10192 | ||
10193 | struct get_obj_io { | |
10194 | off_t len; | |
10195 | bufferlist bl; | |
10196 | }; | |
10197 | ||
10198 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg); | |
10199 | ||
10200 | struct get_obj_data : public RefCountedObject { | |
10201 | CephContext *cct; | |
10202 | RGWRados *rados; | |
10203 | RGWObjectCtx *ctx; | |
10204 | IoCtx io_ctx; | |
10205 | map<off_t, get_obj_io> io_map; | |
10206 | map<off_t, librados::AioCompletion *> completion_map; | |
10207 | uint64_t total_read; | |
10208 | Mutex lock; | |
10209 | Mutex data_lock; | |
10210 | list<get_obj_aio_data> aio_data; | |
10211 | RGWGetDataCB *client_cb; | |
10212 | std::atomic<bool> cancelled = { false }; | |
10213 | std::atomic<int64_t> err_code = { 0 }; | |
10214 | Throttle throttle; | |
10215 | list<bufferlist> read_list; | |
10216 | ||
10217 | explicit get_obj_data(CephContext *_cct) | |
10218 | : cct(_cct), | |
10219 | rados(NULL), ctx(NULL), | |
10220 | total_read(0), lock("get_obj_data"), data_lock("get_obj_data::data_lock"), | |
10221 | client_cb(NULL), | |
10222 | throttle(cct, "get_obj_data", cct->_conf->rgw_get_obj_window_size, false) {} | |
10223 | ~get_obj_data() override { } | |
10224 | void set_cancelled(int r) { | |
10225 | cancelled = true; | |
10226 | err_code = r; | |
10227 | } | |
10228 | ||
10229 | bool is_cancelled() { | |
10230 | return cancelled; | |
10231 | } | |
10232 | ||
10233 | int get_err_code() { | |
10234 | return err_code; | |
10235 | } | |
10236 | ||
10237 | int wait_next_io(bool *done) { | |
10238 | lock.Lock(); | |
10239 | map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
10240 | if (iter == completion_map.end()) { | |
10241 | *done = true; | |
10242 | lock.Unlock(); | |
10243 | return 0; | |
10244 | } | |
10245 | off_t cur_ofs = iter->first; | |
10246 | librados::AioCompletion *c = iter->second; | |
10247 | lock.Unlock(); | |
10248 | ||
10249 | c->wait_for_safe_and_cb(); | |
10250 | int r = c->get_return_value(); | |
10251 | ||
10252 | lock.Lock(); | |
10253 | completion_map.erase(cur_ofs); | |
10254 | ||
10255 | if (completion_map.empty()) { | |
10256 | *done = true; | |
10257 | } | |
10258 | lock.Unlock(); | |
10259 | ||
10260 | c->release(); | |
10261 | ||
10262 | return r; | |
10263 | } | |
10264 | ||
10265 | void add_io(off_t ofs, off_t len, bufferlist **pbl, AioCompletion **pc) { | |
10266 | Mutex::Locker l(lock); | |
10267 | ||
10268 | const auto& io_iter = io_map.insert( | |
10269 | map<off_t, get_obj_io>::value_type(ofs, get_obj_io())); | |
10270 | ||
10271 | assert(io_iter.second); // assert new insertion | |
10272 | ||
10273 | get_obj_io& io = (io_iter.first)->second; | |
10274 | *pbl = &io.bl; | |
10275 | ||
10276 | struct get_obj_aio_data aio; | |
10277 | aio.ofs = ofs; | |
10278 | aio.len = len; | |
10279 | aio.op_data = this; | |
10280 | ||
10281 | aio_data.push_back(aio); | |
10282 | ||
10283 | struct get_obj_aio_data *paio_data = &aio_data.back(); /* last element */ | |
10284 | ||
10285 | librados::AioCompletion *c = librados::Rados::aio_create_completion((void *)paio_data, NULL, _get_obj_aio_completion_cb); | |
10286 | completion_map[ofs] = c; | |
10287 | ||
10288 | *pc = c; | |
10289 | ||
10290 | /* we have a reference per IO, plus one reference for the calling function. | |
10291 | * reference is dropped for each callback, plus when we're done iterating | |
10292 | * over the parts */ | |
10293 | get(); | |
10294 | } | |
10295 | ||
10296 | void cancel_io(off_t ofs) { | |
10297 | ldout(cct, 20) << "get_obj_data::cancel_io() ofs=" << ofs << dendl; | |
10298 | lock.Lock(); | |
10299 | map<off_t, AioCompletion *>::iterator iter = completion_map.find(ofs); | |
10300 | if (iter != completion_map.end()) { | |
10301 | AioCompletion *c = iter->second; | |
10302 | c->release(); | |
10303 | completion_map.erase(ofs); | |
10304 | io_map.erase(ofs); | |
10305 | } | |
10306 | lock.Unlock(); | |
10307 | ||
10308 | /* we don't drop a reference here -- e.g., not calling d->put(), because we still | |
10309 | * need IoCtx to live, as io callback may still be called | |
10310 | */ | |
10311 | } | |
10312 | ||
10313 | void cancel_all_io() { | |
10314 | ldout(cct, 20) << "get_obj_data::cancel_all_io()" << dendl; | |
10315 | Mutex::Locker l(lock); | |
10316 | for (map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
10317 | iter != completion_map.end(); ++iter) { | |
10318 | librados::AioCompletion *c = iter->second; | |
10319 | c->release(); | |
10320 | } | |
10321 | } | |
10322 | ||
10323 | int get_complete_ios(off_t ofs, list<bufferlist>& bl_list) { | |
10324 | Mutex::Locker l(lock); | |
10325 | ||
10326 | map<off_t, get_obj_io>::iterator liter = io_map.begin(); | |
10327 | ||
10328 | if (liter == io_map.end() || | |
10329 | liter->first != ofs) { | |
10330 | return 0; | |
10331 | } | |
10332 | ||
10333 | map<off_t, librados::AioCompletion *>::iterator aiter; | |
10334 | aiter = completion_map.find(ofs); | |
10335 | if (aiter == completion_map.end()) { | |
10336 | /* completion map does not hold this io, it was cancelled */ | |
10337 | return 0; | |
10338 | } | |
10339 | ||
10340 | AioCompletion *completion = aiter->second; | |
10341 | int r = completion->get_return_value(); | |
10342 | if (r < 0) | |
10343 | return r; | |
10344 | ||
10345 | for (; aiter != completion_map.end(); ++aiter) { | |
10346 | completion = aiter->second; | |
10347 | if (!completion->is_safe()) { | |
10348 | /* reached a request that is not yet complete, stop */ | |
10349 | break; | |
10350 | } | |
10351 | ||
10352 | r = completion->get_return_value(); | |
10353 | if (r < 0) { | |
10354 | set_cancelled(r); /* mark it as cancelled, so that we don't continue processing next operations */ | |
10355 | return r; | |
10356 | } | |
10357 | ||
10358 | total_read += r; | |
10359 | ||
10360 | map<off_t, get_obj_io>::iterator old_liter = liter++; | |
10361 | bl_list.push_back(old_liter->second.bl); | |
10362 | io_map.erase(old_liter); | |
10363 | } | |
10364 | ||
10365 | return 0; | |
10366 | } | |
10367 | }; | |
10368 | ||
10369 | static int _get_obj_iterate_cb(const RGWBucketInfo& bucket_info, const rgw_obj& obj, const rgw_raw_obj& read_obj, off_t obj_ofs, off_t read_ofs, off_t len, bool is_head_obj, RGWObjState *astate, void *arg) | |
10370 | { | |
10371 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
10372 | ||
10373 | return d->rados->get_obj_iterate_cb(d->ctx, astate, bucket_info, obj, read_obj, obj_ofs, read_ofs, len, is_head_obj, arg); | |
10374 | } | |
10375 | ||
10376 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg) | |
10377 | { | |
10378 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
10379 | struct get_obj_data *d = aio_data->op_data; | |
10380 | ||
10381 | d->rados->get_obj_aio_completion_cb(cb, arg); | |
10382 | } | |
10383 | ||
10384 | ||
10385 | void RGWRados::get_obj_aio_completion_cb(completion_t c, void *arg) | |
10386 | { | |
10387 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
10388 | struct get_obj_data *d = aio_data->op_data; | |
10389 | off_t ofs = aio_data->ofs; | |
10390 | off_t len = aio_data->len; | |
10391 | ||
10392 | list<bufferlist> bl_list; | |
10393 | list<bufferlist>::iterator iter; | |
10394 | int r; | |
10395 | ||
10396 | ldout(cct, 20) << "get_obj_aio_completion_cb: io completion ofs=" << ofs << " len=" << len << dendl; | |
10397 | d->throttle.put(len); | |
10398 | ||
10399 | r = rados_aio_get_return_value(c); | |
10400 | if (r < 0) { | |
10401 | ldout(cct, 0) << "ERROR: got unexpected error when trying to read object: " << r << dendl; | |
10402 | d->set_cancelled(r); | |
10403 | goto done; | |
10404 | } | |
10405 | ||
10406 | if (d->is_cancelled()) { | |
10407 | goto done; | |
10408 | } | |
10409 | ||
10410 | d->data_lock.Lock(); | |
10411 | ||
10412 | r = d->get_complete_ios(ofs, bl_list); | |
10413 | if (r < 0) { | |
10414 | goto done_unlock; | |
10415 | } | |
10416 | ||
10417 | d->read_list.splice(d->read_list.end(), bl_list); | |
10418 | ||
10419 | done_unlock: | |
10420 | d->data_lock.Unlock(); | |
10421 | done: | |
10422 | d->put(); | |
10423 | return; | |
10424 | } | |
10425 | ||
10426 | int RGWRados::flush_read_list(struct get_obj_data *d) | |
10427 | { | |
10428 | d->data_lock.Lock(); | |
10429 | list<bufferlist> l; | |
10430 | l.swap(d->read_list); | |
10431 | d->get(); | |
10432 | d->read_list.clear(); | |
10433 | ||
10434 | d->data_lock.Unlock(); | |
10435 | ||
10436 | int r = 0; | |
10437 | ||
10438 | list<bufferlist>::iterator iter; | |
10439 | for (iter = l.begin(); iter != l.end(); ++iter) { | |
10440 | bufferlist& bl = *iter; | |
10441 | r = d->client_cb->handle_data(bl, 0, bl.length()); | |
10442 | if (r < 0) { | |
10443 | dout(0) << "ERROR: flush_read_list(): d->client_cb->handle_data() returned " << r << dendl; | |
10444 | break; | |
10445 | } | |
10446 | } | |
10447 | ||
10448 | d->data_lock.Lock(); | |
10449 | d->put(); | |
10450 | if (r < 0) { | |
10451 | d->set_cancelled(r); | |
10452 | } | |
10453 | d->data_lock.Unlock(); | |
10454 | return r; | |
10455 | } | |
10456 | ||
10457 | int RGWRados::get_obj_iterate_cb(RGWObjectCtx *ctx, RGWObjState *astate, | |
10458 | const RGWBucketInfo& bucket_info, | |
10459 | const rgw_obj& obj, | |
10460 | const rgw_raw_obj& read_obj, | |
10461 | off_t obj_ofs, | |
10462 | off_t read_ofs, off_t len, | |
10463 | bool is_head_obj, void *arg) | |
10464 | { | |
10465 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
10466 | ObjectReadOperation op; | |
10467 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
10468 | string oid, key; | |
10469 | bufferlist *pbl; | |
10470 | AioCompletion *c; | |
10471 | ||
10472 | int r; | |
10473 | ||
10474 | if (is_head_obj) { | |
10475 | /* only when reading from the head object do we need to do the atomic test */ | |
10476 | r = append_atomic_test(rctx, bucket_info, obj, op, &astate); | |
10477 | if (r < 0) | |
10478 | return r; | |
10479 | ||
10480 | if (astate && | |
10481 | obj_ofs < astate->data.length()) { | |
10482 | unsigned chunk_len = min((uint64_t)astate->data.length() - obj_ofs, (uint64_t)len); | |
10483 | ||
10484 | d->data_lock.Lock(); | |
10485 | r = d->client_cb->handle_data(astate->data, obj_ofs, chunk_len); | |
10486 | d->data_lock.Unlock(); | |
10487 | if (r < 0) | |
10488 | return r; | |
10489 | ||
10490 | d->lock.Lock(); | |
10491 | d->total_read += chunk_len; | |
10492 | d->lock.Unlock(); | |
10493 | ||
10494 | len -= chunk_len; | |
10495 | read_ofs += chunk_len; | |
10496 | obj_ofs += chunk_len; | |
10497 | if (!len) | |
10498 | return 0; | |
10499 | } | |
10500 | } | |
10501 | ||
10502 | d->throttle.get(len); | |
10503 | if (d->is_cancelled()) { | |
10504 | return d->get_err_code(); | |
10505 | } | |
10506 | ||
10507 | /* add io after we check that we're not cancelled, otherwise we're going to have trouble | |
10508 | * cleaning up | |
10509 | */ | |
10510 | d->add_io(obj_ofs, len, &pbl, &c); | |
10511 | ||
10512 | ldout(cct, 20) << "rados->get_obj_iterate_cb oid=" << read_obj.oid << " obj-ofs=" << obj_ofs << " read_ofs=" << read_ofs << " len=" << len << dendl; | |
10513 | op.read(read_ofs, len, pbl, NULL); | |
10514 | ||
10515 | librados::IoCtx io_ctx(d->io_ctx); | |
10516 | io_ctx.locator_set_key(read_obj.loc); | |
10517 | ||
10518 | r = io_ctx.aio_operate(read_obj.oid, c, &op, NULL); | |
10519 | if (r < 0) { | |
10520 | ldout(cct, 0) << "rados->aio_operate r=" << r << dendl; | |
10521 | goto done_err; | |
10522 | } | |
10523 | ||
10524 | // Flush data to client if there is any | |
10525 | r = flush_read_list(d); | |
10526 | if (r < 0) | |
10527 | return r; | |
10528 | ||
10529 | return 0; | |
10530 | ||
10531 | done_err: | |
10532 | ldout(cct, 20) << "cancelling io r=" << r << " obj_ofs=" << obj_ofs << dendl; | |
10533 | d->set_cancelled(r); | |
10534 | d->cancel_io(obj_ofs); | |
10535 | ||
10536 | return r; | |
10537 | } | |
10538 | ||
10539 | int RGWRados::Object::Read::iterate(int64_t ofs, int64_t end, RGWGetDataCB *cb) | |
10540 | { | |
10541 | RGWRados *store = source->get_store(); | |
10542 | CephContext *cct = store->ctx(); | |
10543 | ||
10544 | struct get_obj_data *data = new get_obj_data(cct); | |
10545 | bool done = false; | |
10546 | ||
10547 | RGWObjectCtx& obj_ctx = source->get_ctx(); | |
10548 | ||
10549 | data->rados = store; | |
10550 | data->io_ctx.dup(state.io_ctx); | |
10551 | data->client_cb = cb; | |
10552 | ||
10553 | int r = store->iterate_obj(obj_ctx, source->get_bucket_info(), state.obj, ofs, end, cct->_conf->rgw_get_obj_max_req_size, _get_obj_iterate_cb, (void *)data); | |
10554 | if (r < 0) { | |
10555 | data->cancel_all_io(); | |
10556 | goto done; | |
10557 | } | |
10558 | ||
10559 | while (!done) { | |
10560 | r = data->wait_next_io(&done); | |
10561 | if (r < 0) { | |
10562 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10563 | data->cancel_all_io(); | |
10564 | break; | |
10565 | } | |
10566 | r = store->flush_read_list(data); | |
10567 | if (r < 0) { | |
10568 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10569 | data->cancel_all_io(); | |
10570 | break; | |
10571 | } | |
10572 | } | |
10573 | ||
10574 | done: | |
10575 | data->put(); | |
10576 | return r; | |
10577 | } | |
10578 | ||
10579 | int RGWRados::iterate_obj(RGWObjectCtx& obj_ctx, | |
10580 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
10581 | off_t ofs, off_t end, | |
10582 | uint64_t max_chunk_size, | |
10583 | int (*iterate_obj_cb)(const RGWBucketInfo&, const rgw_obj& obj, | |
10584 | const rgw_raw_obj&, off_t, off_t, off_t, bool, | |
10585 | RGWObjState *, void *), | |
10586 | void *arg) | |
10587 | { | |
10588 | rgw_raw_obj head_obj; | |
10589 | rgw_raw_obj read_obj; | |
10590 | uint64_t read_ofs = ofs; | |
10591 | uint64_t len; | |
10592 | bool reading_from_head = true; | |
10593 | RGWObjState *astate = NULL; | |
10594 | ||
10595 | obj_to_raw(bucket_info.placement_rule, obj, &head_obj); | |
10596 | ||
10597 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &astate, false); | |
10598 | if (r < 0) { | |
10599 | return r; | |
10600 | } | |
10601 | ||
10602 | if (end < 0) | |
10603 | len = 0; | |
10604 | else | |
10605 | len = end - ofs + 1; | |
10606 | ||
10607 | if (astate->has_manifest) { | |
10608 | /* now get the relevant object stripe */ | |
10609 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
10610 | ||
10611 | RGWObjManifest::obj_iterator obj_end = astate->manifest.obj_end(); | |
10612 | ||
10613 | for (; iter != obj_end && ofs <= end; ++iter) { | |
10614 | off_t stripe_ofs = iter.get_stripe_ofs(); | |
10615 | off_t next_stripe_ofs = stripe_ofs + iter.get_stripe_size(); | |
10616 | ||
10617 | while (ofs < next_stripe_ofs && ofs <= end) { | |
10618 | read_obj = iter.get_location().get_raw_obj(this); | |
10619 | uint64_t read_len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
10620 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
10621 | ||
10622 | if (read_len > max_chunk_size) { | |
10623 | read_len = max_chunk_size; | |
10624 | } | |
10625 | ||
10626 | reading_from_head = (read_obj == head_obj); | |
10627 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, read_ofs, read_len, reading_from_head, astate, arg); | |
10628 | if (r < 0) { | |
10629 | return r; | |
10630 | } | |
10631 | ||
10632 | len -= read_len; | |
10633 | ofs += read_len; | |
10634 | } | |
10635 | } | |
10636 | } else { | |
10637 | while (ofs <= end) { | |
10638 | read_obj = head_obj; | |
10639 | uint64_t read_len = min(len, max_chunk_size); | |
10640 | ||
10641 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, ofs, read_len, reading_from_head, astate, arg); | |
10642 | if (r < 0) { | |
10643 | return r; | |
10644 | } | |
10645 | ||
10646 | len -= read_len; | |
10647 | ofs += read_len; | |
10648 | } | |
10649 | } | |
10650 | ||
10651 | return 0; | |
10652 | } | |
10653 | ||
10654 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectWriteOperation *op) | |
10655 | { | |
10656 | rgw_rados_ref ref; | |
10657 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10658 | if (r < 0) { | |
10659 | return r; | |
10660 | } | |
10661 | ||
10662 | return ref.ioctx.operate(ref.oid, op); | |
10663 | } | |
10664 | ||
10665 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectReadOperation *op) | |
10666 | { | |
10667 | rgw_rados_ref ref; | |
10668 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10669 | if (r < 0) { | |
10670 | return r; | |
10671 | } | |
10672 | ||
10673 | bufferlist outbl; | |
10674 | ||
10675 | return ref.ioctx.operate(ref.oid, op, &outbl); | |
10676 | } | |
10677 | ||
10678 | int RGWRados::olh_init_modification_impl(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, string *op_tag) | |
10679 | { | |
10680 | ObjectWriteOperation op; | |
10681 | ||
10682 | assert(olh_obj.key.instance.empty()); | |
10683 | ||
10684 | bool has_tag = (state.exists && has_olh_tag(state.attrset)); | |
10685 | ||
10686 | if (!state.exists) { | |
10687 | op.create(true); | |
10688 | } else { | |
10689 | op.assert_exists(); | |
10690 | } | |
10691 | ||
10692 | /* | |
10693 | * 3 possible cases: olh object doesn't exist, it exists as an olh, it exists as a regular object. | |
10694 | * If it exists as a regular object we'll need to transform it into an olh. We'll do it in two | |
10695 | * steps, first change its tag and set the olh pending attrs. Once write is done we'll need to | |
10696 | * truncate it, remove extra attrs, and send it to the garbage collection. The bucket index olh | |
10697 | * log will reflect that. | |
10698 | * | |
10699 | * Need to generate separate olh and obj tags, as olh can be colocated with object data. obj_tag | |
10700 | * is used for object data instance, olh_tag for olh instance. | |
10701 | */ | |
10702 | if (has_tag) { | |
10703 | /* guard against racing writes */ | |
10704 | bucket_index_guard_olh_op(state, op); | |
10705 | } | |
10706 | ||
10707 | if (!has_tag) { | |
10708 | /* obj tag */ | |
10709 | string obj_tag; | |
10710 | int ret = gen_rand_alphanumeric_lower(cct, &obj_tag, 32); | |
10711 | if (ret < 0) { | |
10712 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10713 | return ret; | |
10714 | } | |
10715 | bufferlist bl; | |
10716 | bl.append(obj_tag.c_str(), obj_tag.size()); | |
10717 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
10718 | ||
10719 | state.attrset[RGW_ATTR_ID_TAG] = bl; | |
10720 | state.obj_tag = bl; | |
10721 | ||
10722 | /* olh tag */ | |
10723 | string olh_tag; | |
10724 | ret = gen_rand_alphanumeric_lower(cct, &olh_tag, 32); | |
10725 | if (ret < 0) { | |
10726 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10727 | return ret; | |
10728 | } | |
10729 | bufferlist olh_bl; | |
10730 | olh_bl.append(olh_tag.c_str(), olh_tag.size()); | |
10731 | op.setxattr(RGW_ATTR_OLH_ID_TAG, olh_bl); | |
10732 | ||
10733 | state.attrset[RGW_ATTR_OLH_ID_TAG] = olh_bl; | |
10734 | state.olh_tag = olh_bl; | |
10735 | state.is_olh = true; | |
10736 | ||
10737 | bufferlist verbl; | |
10738 | op.setxattr(RGW_ATTR_OLH_VER, verbl); | |
10739 | } | |
10740 | ||
10741 | bufferlist bl; | |
10742 | RGWOLHPendingInfo pending_info; | |
10743 | pending_info.time = real_clock::now(); | |
10744 | ::encode(pending_info, bl); | |
10745 | ||
10746 | #define OLH_PENDING_TAG_LEN 32 | |
10747 | /* tag will start with current time epoch, this so that entries are sorted by time */ | |
10748 | char buf[32]; | |
10749 | utime_t ut(pending_info.time); | |
10750 | snprintf(buf, sizeof(buf), "%016llx", (unsigned long long)ut.sec()); | |
10751 | *op_tag = buf; | |
10752 | ||
10753 | string s; | |
10754 | int ret = gen_rand_alphanumeric_lower(cct, &s, OLH_PENDING_TAG_LEN - op_tag->size()); | |
10755 | if (ret < 0) { | |
10756 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10757 | return ret; | |
10758 | } | |
10759 | op_tag->append(s); | |
10760 | ||
10761 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
10762 | attr_name.append(*op_tag); | |
10763 | ||
10764 | op.setxattr(attr_name.c_str(), bl); | |
10765 | ||
10766 | ret = obj_operate(bucket_info, olh_obj, &op); | |
10767 | if (ret < 0) { | |
10768 | return ret; | |
10769 | } | |
10770 | ||
10771 | state.exists = true; | |
10772 | state.attrset[attr_name] = bl; | |
10773 | ||
10774 | return 0; | |
10775 | } | |
10776 | ||
10777 | int RGWRados::olh_init_modification(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj, string *op_tag) | |
10778 | { | |
10779 | int ret; | |
10780 | ||
10781 | ret = olh_init_modification_impl(bucket_info, state, obj, op_tag); | |
10782 | if (ret == -EEXIST) { | |
10783 | ret = -ECANCELED; | |
10784 | } | |
10785 | ||
10786 | return ret; | |
10787 | } | |
10788 | ||
31f18b77 FG |
10789 | int RGWRados::guard_reshard(BucketShard *bs, const rgw_obj& obj_instance, std::function<int(BucketShard *)> call) |
10790 | { | |
10791 | rgw_obj obj; | |
10792 | const rgw_obj *pobj = &obj_instance; | |
10793 | int r; | |
10794 | ||
10795 | for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) { | |
10796 | r = bs->init(pobj->bucket, *pobj); | |
10797 | if (r < 0) { | |
10798 | ldout(cct, 5) << "bs.init() returned ret=" << r << dendl; | |
10799 | return r; | |
10800 | } | |
10801 | r = call(bs); | |
10802 | if (r != -ERR_BUSY_RESHARDING) { | |
10803 | break; | |
10804 | } | |
10805 | ldout(cct, 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl; | |
10806 | string new_bucket_id; | |
10807 | r = block_while_resharding(bs, &new_bucket_id); | |
10808 | if (r == -ERR_BUSY_RESHARDING) { | |
10809 | continue; | |
10810 | } | |
10811 | if (r < 0) { | |
10812 | return r; | |
10813 | } | |
10814 | ldout(cct, 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl; | |
10815 | i = 0; /* resharding is finished, make sure we can retry */ | |
10816 | ||
10817 | obj = *pobj; | |
10818 | obj.bucket.update_bucket_id(new_bucket_id); | |
10819 | pobj = &obj; | |
10820 | } | |
10821 | ||
10822 | if (r < 0) { | |
10823 | return r; | |
10824 | } | |
10825 | ||
10826 | return 0; | |
10827 | } | |
10828 | ||
10829 | int RGWRados::block_while_resharding(RGWRados::BucketShard *bs, string *new_bucket_id) | |
10830 | { | |
10831 | std::shared_ptr<RGWReshardWait> waiter = reshard_wait; | |
10832 | ||
10833 | return waiter->block_while_resharding(bs, new_bucket_id); | |
10834 | } | |
10835 | ||
7c673cae FG |
10836 | int RGWRados::bucket_index_link_olh(const RGWBucketInfo& bucket_info, RGWObjState& olh_state, const rgw_obj& obj_instance, |
10837 | bool delete_marker, | |
10838 | const string& op_tag, | |
10839 | struct rgw_bucket_dir_entry_meta *meta, | |
10840 | uint64_t olh_epoch, | |
31f18b77 | 10841 | real_time unmod_since, bool high_precision_time, rgw_zone_set *_zones_trace) |
7c673cae FG |
10842 | { |
10843 | rgw_rados_ref ref; | |
10844 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10845 | if (r < 0) { | |
10846 | return r; | |
10847 | } | |
10848 | ||
31f18b77 FG |
10849 | rgw_zone_set zones_trace; |
10850 | if (_zones_trace) { | |
10851 | zones_trace = *_zones_trace; | |
10852 | } else { | |
10853 | zones_trace.insert(get_zone().id); | |
7c673cae FG |
10854 | } |
10855 | ||
31f18b77 FG |
10856 | BucketShard bs(this); |
10857 | ||
7c673cae | 10858 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); |
31f18b77 FG |
10859 | r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10860 | librados::ObjectWriteOperation op; | |
10861 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10862 | return cls_rgw_bucket_link_olh(bs->index_ctx, op, | |
10863 | bs->bucket_obj, key, olh_state.olh_tag, delete_marker, op_tag, meta, olh_epoch, | |
10864 | unmod_since, high_precision_time, | |
10865 | get_zone().log_data, zones_trace); | |
10866 | }); | |
10867 | if (r < 0) { | |
10868 | ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl; | |
10869 | return r; | |
7c673cae FG |
10870 | } |
10871 | ||
10872 | return 0; | |
10873 | } | |
10874 | ||
10875 | void RGWRados::bucket_index_guard_olh_op(RGWObjState& olh_state, ObjectOperation& op) | |
10876 | { | |
10877 | ldout(cct, 20) << __func__ << "(): olh_state.olh_tag=" << string(olh_state.olh_tag.c_str(), olh_state.olh_tag.length()) << dendl; | |
10878 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_state.olh_tag); | |
10879 | } | |
10880 | ||
10881 | int RGWRados::bucket_index_unlink_instance(const RGWBucketInfo& bucket_info, const rgw_obj& obj_instance, | |
31f18b77 | 10882 | const string& op_tag, const string& olh_tag, uint64_t olh_epoch, rgw_zone_set *_zones_trace) |
7c673cae FG |
10883 | { |
10884 | rgw_rados_ref ref; | |
10885 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10886 | if (r < 0) { | |
10887 | return r; | |
10888 | } | |
10889 | ||
31f18b77 FG |
10890 | rgw_zone_set zones_trace; |
10891 | if (_zones_trace) { | |
10892 | zones_trace = *_zones_trace; | |
7c673cae | 10893 | } |
31f18b77 FG |
10894 | zones_trace.insert(get_zone().id); |
10895 | ||
10896 | BucketShard bs(this); | |
7c673cae FG |
10897 | |
10898 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); | |
31f18b77 FG |
10899 | r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10900 | librados::ObjectWriteOperation op; | |
10901 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10902 | return cls_rgw_bucket_unlink_instance(bs->index_ctx, op, bs->bucket_obj, key, op_tag, | |
10903 | olh_tag, olh_epoch, get_zone().log_data, zones_trace); | |
10904 | }); | |
10905 | if (r < 0) { | |
10906 | ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl; | |
10907 | return r; | |
7c673cae FG |
10908 | } |
10909 | ||
10910 | return 0; | |
10911 | } | |
10912 | ||
10913 | int RGWRados::bucket_index_read_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, | |
10914 | const rgw_obj& obj_instance, uint64_t ver_marker, | |
10915 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > *log, | |
10916 | bool *is_truncated) | |
10917 | { | |
10918 | rgw_rados_ref ref; | |
10919 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10920 | if (r < 0) { | |
10921 | return r; | |
10922 | } | |
10923 | ||
10924 | BucketShard bs(this); | |
10925 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10926 | if (ret < 0) { | |
10927 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10928 | return ret; | |
10929 | } | |
10930 | ||
10931 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10932 | ||
10933 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10934 | ||
31f18b77 FG |
10935 | ret = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10936 | ObjectReadOperation op; | |
10937 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10938 | return cls_rgw_get_olh_log(bs->index_ctx, bs->bucket_obj, op, | |
10939 | key, ver_marker, olh_tag, log, is_truncated); | |
10940 | }); | |
10941 | if (ret < 0) { | |
10942 | ldout(cct, 20) << "cls_rgw_get_olh_log() returned r=" << r << dendl; | |
7c673cae | 10943 | return ret; |
31f18b77 | 10944 | } |
7c673cae FG |
10945 | |
10946 | return 0; | |
10947 | } | |
10948 | ||
10949 | int RGWRados::bucket_index_trim_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance, uint64_t ver) | |
10950 | { | |
10951 | rgw_rados_ref ref; | |
10952 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10953 | if (r < 0) { | |
10954 | return r; | |
10955 | } | |
10956 | ||
10957 | BucketShard bs(this); | |
10958 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10959 | if (ret < 0) { | |
10960 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10961 | return ret; | |
10962 | } | |
10963 | ||
10964 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10965 | ||
10966 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10967 | ||
31f18b77 FG |
10968 | ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int { |
10969 | ObjectWriteOperation op; | |
10970 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10971 | cls_rgw_trim_olh_log(op, key, ver, olh_tag); | |
10972 | return pbs->index_ctx.operate(pbs->bucket_obj, &op); | |
10973 | }); | |
10974 | if (ret < 0) { | |
10975 | ldout(cct, 20) << "cls_rgw_trim_olh_log() returned r=" << ret << dendl; | |
7c673cae | 10976 | return ret; |
31f18b77 | 10977 | } |
7c673cae FG |
10978 | |
10979 | return 0; | |
10980 | } | |
10981 | ||
10982 | int RGWRados::bucket_index_clear_olh(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance) | |
10983 | { | |
10984 | rgw_rados_ref ref; | |
10985 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10986 | if (r < 0) { | |
10987 | return r; | |
10988 | } | |
10989 | ||
10990 | BucketShard bs(this); | |
7c673cae FG |
10991 | |
10992 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10993 | ||
10994 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10995 | ||
31f18b77 FG |
10996 | int ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int { |
10997 | ObjectWriteOperation op; | |
10998 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10999 | return cls_rgw_clear_olh(pbs->index_ctx, op, pbs->bucket_obj, key, olh_tag); | |
11000 | }); | |
7c673cae FG |
11001 | if (ret < 0) { |
11002 | ldout(cct, 5) << "cls_rgw_clear_olh() returned ret=" << ret << dendl; | |
11003 | return ret; | |
11004 | } | |
11005 | ||
11006 | return 0; | |
11007 | } | |
11008 | ||
11009 | int RGWRados::apply_olh_log(RGWObjectCtx& obj_ctx, RGWObjState& state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
11010 | bufferlist& olh_tag, map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log, | |
31f18b77 | 11011 | uint64_t *plast_ver, rgw_zone_set* zones_trace) |
7c673cae FG |
11012 | { |
11013 | if (log.empty()) { | |
11014 | return 0; | |
11015 | } | |
11016 | ||
11017 | librados::ObjectWriteOperation op; | |
11018 | ||
11019 | uint64_t last_ver = log.rbegin()->first; | |
11020 | *plast_ver = last_ver; | |
11021 | ||
11022 | map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator iter = log.begin(); | |
11023 | ||
11024 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
11025 | op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
11026 | ||
11027 | bool need_to_link = false; | |
11028 | cls_rgw_obj_key key; | |
11029 | bool delete_marker = false; | |
11030 | list<cls_rgw_obj_key> remove_instances; | |
11031 | bool need_to_remove = false; | |
11032 | ||
11033 | for (iter = log.begin(); iter != log.end(); ++iter) { | |
11034 | vector<rgw_bucket_olh_log_entry>::iterator viter = iter->second.begin(); | |
11035 | for (; viter != iter->second.end(); ++viter) { | |
11036 | rgw_bucket_olh_log_entry& entry = *viter; | |
11037 | ||
11038 | ldout(cct, 20) << "olh_log_entry: op=" << (int)entry.op | |
11039 | << " key=" << entry.key.name << "[" << entry.key.instance << "] " | |
11040 | << (entry.delete_marker ? "(delete)" : "") << dendl; | |
11041 | switch (entry.op) { | |
11042 | case CLS_RGW_OLH_OP_REMOVE_INSTANCE: | |
11043 | remove_instances.push_back(entry.key); | |
11044 | break; | |
11045 | case CLS_RGW_OLH_OP_LINK_OLH: | |
11046 | need_to_link = true; | |
11047 | need_to_remove = false; | |
11048 | key = entry.key; | |
11049 | delete_marker = entry.delete_marker; | |
11050 | break; | |
11051 | case CLS_RGW_OLH_OP_UNLINK_OLH: | |
11052 | need_to_remove = true; | |
11053 | need_to_link = false; | |
11054 | break; | |
11055 | default: | |
11056 | ldout(cct, 0) << "ERROR: apply_olh_log: invalid op: " << (int)entry.op << dendl; | |
11057 | return -EIO; | |
11058 | } | |
11059 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
11060 | attr_name.append(entry.op_tag); | |
11061 | op.rmxattr(attr_name.c_str()); | |
11062 | } | |
11063 | } | |
11064 | ||
11065 | rgw_rados_ref ref; | |
11066 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
11067 | if (r < 0) { | |
11068 | return r; | |
11069 | } | |
11070 | ||
11071 | const rgw_bucket& bucket = obj.bucket; | |
11072 | ||
11073 | if (need_to_link) { | |
11074 | rgw_obj target(bucket, key); | |
11075 | RGWOLHInfo info; | |
11076 | info.target = target; | |
11077 | info.removed = delete_marker; | |
11078 | bufferlist bl; | |
11079 | ::encode(info, bl); | |
11080 | op.setxattr(RGW_ATTR_OLH_INFO, bl); | |
11081 | } | |
11082 | ||
11083 | /* first remove object instances */ | |
11084 | for (list<cls_rgw_obj_key>::iterator liter = remove_instances.begin(); | |
11085 | liter != remove_instances.end(); ++liter) { | |
11086 | cls_rgw_obj_key& key = *liter; | |
11087 | rgw_obj obj_instance(bucket, key); | |
31f18b77 | 11088 | int ret = delete_obj(obj_ctx, bucket_info, obj_instance, 0, RGW_BILOG_FLAG_VERSIONED_OP, ceph::real_time(), zones_trace); |
7c673cae FG |
11089 | if (ret < 0 && ret != -ENOENT) { |
11090 | ldout(cct, 0) << "ERROR: delete_obj() returned " << ret << " obj_instance=" << obj_instance << dendl; | |
11091 | return ret; | |
11092 | } | |
11093 | } | |
11094 | ||
11095 | /* update olh object */ | |
11096 | r = ref.ioctx.operate(ref.oid, &op); | |
11097 | if (r == -ECANCELED) { | |
11098 | r = 0; | |
11099 | } | |
11100 | if (r < 0) { | |
11101 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
11102 | return r; | |
11103 | } | |
11104 | ||
11105 | r = bucket_index_trim_olh_log(bucket_info, state, obj, last_ver); | |
11106 | if (r < 0) { | |
11107 | ldout(cct, 0) << "ERROR: could not trim olh log, r=" << r << dendl; | |
11108 | return r; | |
11109 | } | |
11110 | ||
11111 | if (need_to_remove) { | |
11112 | ObjectWriteOperation rm_op; | |
11113 | ||
11114 | rm_op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
11115 | rm_op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
11116 | cls_obj_check_prefix_exist(rm_op, RGW_ATTR_OLH_PENDING_PREFIX, true); /* fail if found one of these, pending modification */ | |
11117 | rm_op.remove(); | |
11118 | ||
11119 | r = ref.ioctx.operate(ref.oid, &rm_op); | |
11120 | if (r == -ECANCELED) { | |
11121 | return 0; /* someone else won this race */ | |
11122 | } else { | |
11123 | /* | |
11124 | * only clear if was successful, otherwise we might clobber pending operations on this object | |
11125 | */ | |
11126 | r = bucket_index_clear_olh(bucket_info, state, obj); | |
11127 | if (r < 0) { | |
11128 | ldout(cct, 0) << "ERROR: could not clear bucket index olh entries r=" << r << dendl; | |
11129 | return r; | |
11130 | } | |
11131 | } | |
11132 | } | |
11133 | ||
11134 | return 0; | |
11135 | } | |
11136 | ||
11137 | /* | |
11138 | * read olh log and apply it | |
11139 | */ | |
31f18b77 | 11140 | int RGWRados::update_olh(RGWObjectCtx& obj_ctx, RGWObjState *state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_zone_set *zones_trace) |
7c673cae FG |
11141 | { |
11142 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > log; | |
11143 | bool is_truncated; | |
11144 | uint64_t ver_marker = 0; | |
11145 | ||
11146 | do { | |
11147 | int ret = bucket_index_read_olh_log(bucket_info, *state, obj, ver_marker, &log, &is_truncated); | |
11148 | if (ret < 0) { | |
11149 | return ret; | |
11150 | } | |
31f18b77 | 11151 | ret = apply_olh_log(obj_ctx, *state, bucket_info, obj, state->olh_tag, log, &ver_marker, zones_trace); |
7c673cae FG |
11152 | if (ret < 0) { |
11153 | return ret; | |
11154 | } | |
11155 | } while (is_truncated); | |
11156 | ||
11157 | return 0; | |
11158 | } | |
11159 | ||
11160 | int RGWRados::set_olh(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, bool delete_marker, rgw_bucket_dir_entry_meta *meta, | |
31f18b77 | 11161 | uint64_t olh_epoch, real_time unmod_since, bool high_precision_time, rgw_zone_set *zones_trace) |
7c673cae FG |
11162 | { |
11163 | string op_tag; | |
11164 | ||
11165 | rgw_obj olh_obj = target_obj; | |
11166 | olh_obj.key.instance.clear(); | |
11167 | ||
11168 | RGWObjState *state = NULL; | |
11169 | ||
11170 | int ret = 0; | |
11171 | int i; | |
31f18b77 | 11172 | |
7c673cae FG |
11173 | #define MAX_ECANCELED_RETRY 100 |
11174 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
11175 | if (ret == -ECANCELED) { | |
11176 | obj_ctx.obj.invalidate(olh_obj); | |
11177 | } | |
11178 | ||
11179 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
11180 | if (ret < 0) { | |
11181 | return ret; | |
11182 | } | |
11183 | ||
11184 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
11185 | if (ret < 0) { | |
11186 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
11187 | if (ret == -ECANCELED) { | |
11188 | continue; | |
11189 | } | |
11190 | return ret; | |
11191 | } | |
31f18b77 | 11192 | ret = bucket_index_link_olh(bucket_info, *state, target_obj, delete_marker, op_tag, meta, olh_epoch, unmod_since, high_precision_time, zones_trace); |
7c673cae FG |
11193 | if (ret < 0) { |
11194 | ldout(cct, 20) << "bucket_index_link_olh() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
11195 | if (ret == -ECANCELED) { | |
11196 | continue; | |
11197 | } | |
11198 | return ret; | |
11199 | } | |
11200 | break; | |
11201 | } | |
11202 | ||
11203 | if (i == MAX_ECANCELED_RETRY) { | |
11204 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
11205 | return -EIO; | |
11206 | } | |
11207 | ||
11208 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
11209 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ | |
11210 | ret = 0; | |
11211 | } | |
11212 | if (ret < 0) { | |
11213 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
11214 | return ret; | |
11215 | } | |
11216 | ||
11217 | return 0; | |
11218 | } | |
11219 | ||
11220 | int RGWRados::unlink_obj_instance(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, | |
31f18b77 | 11221 | uint64_t olh_epoch, rgw_zone_set *zones_trace) |
7c673cae FG |
11222 | { |
11223 | string op_tag; | |
11224 | ||
11225 | rgw_obj olh_obj = target_obj; | |
11226 | olh_obj.key.instance.clear(); | |
11227 | ||
11228 | RGWObjState *state = NULL; | |
11229 | ||
11230 | int ret = 0; | |
11231 | int i; | |
11232 | ||
11233 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
11234 | if (ret == -ECANCELED) { | |
11235 | obj_ctx.obj.invalidate(olh_obj); | |
11236 | } | |
11237 | ||
11238 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
11239 | if (ret < 0) | |
11240 | return ret; | |
11241 | ||
11242 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
11243 | if (ret < 0) { | |
11244 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " returned " << ret << dendl; | |
11245 | if (ret == -ECANCELED) { | |
11246 | continue; | |
11247 | } | |
11248 | return ret; | |
11249 | } | |
11250 | ||
11251 | string olh_tag(state->olh_tag.c_str(), state->olh_tag.length()); | |
11252 | ||
31f18b77 | 11253 | ret = bucket_index_unlink_instance(bucket_info, target_obj, op_tag, olh_tag, olh_epoch, zones_trace); |
7c673cae FG |
11254 | if (ret < 0) { |
11255 | ldout(cct, 20) << "bucket_index_unlink_instance() target_obj=" << target_obj << " returned " << ret << dendl; | |
11256 | if (ret == -ECANCELED) { | |
11257 | continue; | |
11258 | } | |
11259 | return ret; | |
11260 | } | |
11261 | break; | |
11262 | } | |
11263 | ||
11264 | if (i == MAX_ECANCELED_RETRY) { | |
11265 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
11266 | return -EIO; | |
11267 | } | |
11268 | ||
31f18b77 | 11269 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj, zones_trace); |
7c673cae FG |
11270 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ |
11271 | return 0; | |
11272 | } | |
11273 | if (ret < 0) { | |
11274 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
11275 | return ret; | |
11276 | } | |
11277 | ||
11278 | return 0; | |
11279 | } | |
11280 | ||
11281 | void RGWRados::gen_rand_obj_instance_name(rgw_obj *target_obj) | |
11282 | { | |
11283 | #define OBJ_INSTANCE_LEN 32 | |
11284 | char buf[OBJ_INSTANCE_LEN + 1]; | |
11285 | ||
11286 | gen_rand_alphanumeric_no_underscore(cct, buf, OBJ_INSTANCE_LEN); /* don't want it to get url escaped, | |
11287 | no underscore for instance name due to the way we encode the raw keys */ | |
11288 | ||
11289 | target_obj->key.set_instance(buf); | |
11290 | } | |
11291 | ||
11292 | static void filter_attrset(map<string, bufferlist>& unfiltered_attrset, const string& check_prefix, | |
11293 | map<string, bufferlist> *attrset) | |
11294 | { | |
11295 | attrset->clear(); | |
11296 | map<string, bufferlist>::iterator iter; | |
11297 | for (iter = unfiltered_attrset.lower_bound(check_prefix); | |
11298 | iter != unfiltered_attrset.end(); ++iter) { | |
11299 | if (!boost::algorithm::starts_with(iter->first, check_prefix)) | |
11300 | break; | |
11301 | (*attrset)[iter->first] = iter->second; | |
11302 | } | |
11303 | } | |
11304 | ||
11305 | int RGWRados::get_olh(const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWOLHInfo *olh) | |
11306 | { | |
11307 | map<string, bufferlist> unfiltered_attrset; | |
11308 | ||
11309 | ObjectReadOperation op; | |
11310 | op.getxattrs(&unfiltered_attrset, NULL); | |
11311 | ||
11312 | bufferlist outbl; | |
11313 | int r = obj_operate(bucket_info, obj, &op); | |
11314 | ||
11315 | if (r < 0) { | |
11316 | return r; | |
11317 | } | |
11318 | map<string, bufferlist> attrset; | |
11319 | ||
11320 | filter_attrset(unfiltered_attrset, RGW_ATTR_OLH_PREFIX, &attrset); | |
11321 | ||
11322 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_OLH_INFO); | |
11323 | if (iter == attrset.end()) { /* not an olh */ | |
11324 | return -EINVAL; | |
11325 | } | |
11326 | ||
11327 | try { | |
11328 | bufferlist::iterator biter = iter->second.begin(); | |
11329 | ::decode(*olh, biter); | |
11330 | } catch (buffer::error& err) { | |
11331 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
11332 | return -EIO; | |
11333 | } | |
11334 | ||
11335 | return 0; | |
11336 | } | |
11337 | ||
11338 | void RGWRados::check_pending_olh_entries(map<string, bufferlist>& pending_entries, | |
11339 | map<string, bufferlist> *rm_pending_entries) | |
11340 | { | |
11341 | map<string, bufferlist>::iterator iter = pending_entries.begin(); | |
11342 | ||
11343 | real_time now = real_clock::now(); | |
11344 | ||
11345 | while (iter != pending_entries.end()) { | |
11346 | bufferlist::iterator biter = iter->second.begin(); | |
11347 | RGWOLHPendingInfo pending_info; | |
11348 | try { | |
11349 | ::decode(pending_info, biter); | |
11350 | } catch (buffer::error& err) { | |
11351 | /* skipping bad entry, we could remove it but it might hide a bug */ | |
11352 | ldout(cct, 0) << "ERROR: failed to decode pending entry " << iter->first << dendl; | |
11353 | ++iter; | |
11354 | continue; | |
11355 | } | |
11356 | ||
11357 | map<string, bufferlist>::iterator cur_iter = iter; | |
11358 | ++iter; | |
11359 | if (now - pending_info.time >= make_timespan(cct->_conf->rgw_olh_pending_timeout_sec)) { | |
11360 | (*rm_pending_entries)[cur_iter->first] = cur_iter->second; | |
11361 | pending_entries.erase(cur_iter); | |
11362 | } else { | |
11363 | /* entries names are sorted by time (rounded to a second) */ | |
11364 | break; | |
11365 | } | |
11366 | } | |
11367 | } | |
11368 | ||
11369 | int RGWRados::remove_olh_pending_entries(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, map<string, bufferlist>& pending_attrs) | |
11370 | { | |
11371 | ObjectWriteOperation op; | |
11372 | ||
11373 | bucket_index_guard_olh_op(state, op); | |
11374 | ||
11375 | for (map<string, bufferlist>::iterator iter = pending_attrs.begin(); iter != pending_attrs.end(); ++iter) { | |
11376 | op.rmxattr(iter->first.c_str()); | |
11377 | } | |
11378 | ||
11379 | rgw_rados_ref ref; | |
11380 | int r = get_obj_head_ref(bucket_info, olh_obj, &ref); | |
11381 | if (r < 0) { | |
11382 | return r; | |
11383 | } | |
11384 | ||
11385 | /* update olh object */ | |
11386 | r = ref.ioctx.operate(ref.oid, &op); | |
11387 | if (r == -ENOENT || r == -ECANCELED) { | |
11388 | /* raced with some other change, shouldn't sweat about it */ | |
11389 | r = 0; | |
11390 | } | |
11391 | if (r < 0) { | |
11392 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
11393 | return r; | |
11394 | } | |
11395 | ||
11396 | return 0; | |
11397 | } | |
11398 | ||
11399 | int RGWRados::follow_olh(const RGWBucketInfo& bucket_info, RGWObjectCtx& obj_ctx, RGWObjState *state, const rgw_obj& olh_obj, rgw_obj *target) | |
11400 | { | |
11401 | map<string, bufferlist> pending_entries; | |
11402 | filter_attrset(state->attrset, RGW_ATTR_OLH_PENDING_PREFIX, &pending_entries); | |
11403 | ||
11404 | map<string, bufferlist> rm_pending_entries; | |
11405 | check_pending_olh_entries(pending_entries, &rm_pending_entries); | |
11406 | ||
11407 | if (!rm_pending_entries.empty()) { | |
11408 | int ret = remove_olh_pending_entries(bucket_info, *state, olh_obj, rm_pending_entries); | |
11409 | if (ret < 0) { | |
11410 | ldout(cct, 20) << "ERROR: rm_pending_entries returned ret=" << ret << dendl; | |
11411 | return ret; | |
11412 | } | |
11413 | } | |
11414 | if (!pending_entries.empty()) { | |
11415 | ldout(cct, 20) << __func__ << "(): found pending entries, need to update_olh() on bucket=" << olh_obj.bucket << dendl; | |
11416 | ||
11417 | int ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
11418 | if (ret < 0) { | |
11419 | return ret; | |
11420 | } | |
11421 | } | |
11422 | ||
11423 | map<string, bufferlist>::iterator iter = state->attrset.find(RGW_ATTR_OLH_INFO); | |
11424 | assert(iter != state->attrset.end()); | |
11425 | RGWOLHInfo olh; | |
11426 | try { | |
11427 | bufferlist::iterator biter = iter->second.begin(); | |
11428 | ::decode(olh, biter); | |
11429 | } catch (buffer::error& err) { | |
11430 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
11431 | return -EIO; | |
11432 | } | |
11433 | ||
11434 | if (olh.removed) { | |
11435 | return -ENOENT; | |
11436 | } | |
11437 | ||
11438 | *target = olh.target; | |
11439 | ||
11440 | return 0; | |
11441 | } | |
11442 | ||
11443 | int RGWRados::raw_obj_stat(rgw_raw_obj& obj, uint64_t *psize, real_time *pmtime, uint64_t *epoch, | |
11444 | map<string, bufferlist> *attrs, bufferlist *first_chunk, | |
11445 | RGWObjVersionTracker *objv_tracker) | |
11446 | { | |
11447 | rgw_rados_ref ref; | |
11448 | int r = get_raw_obj_ref(obj, &ref); | |
11449 | if (r < 0) { | |
11450 | return r; | |
11451 | } | |
11452 | ||
11453 | map<string, bufferlist> unfiltered_attrset; | |
11454 | uint64_t size = 0; | |
11455 | struct timespec mtime_ts; | |
11456 | ||
11457 | ObjectReadOperation op; | |
11458 | if (objv_tracker) { | |
11459 | objv_tracker->prepare_op_for_read(&op); | |
11460 | } | |
11461 | if (attrs) { | |
11462 | op.getxattrs(&unfiltered_attrset, NULL); | |
11463 | } | |
11464 | if (psize || pmtime) { | |
11465 | op.stat2(&size, &mtime_ts, NULL); | |
11466 | } | |
11467 | if (first_chunk) { | |
11468 | op.read(0, cct->_conf->rgw_max_chunk_size, first_chunk, NULL); | |
11469 | } | |
11470 | bufferlist outbl; | |
11471 | r = ref.ioctx.operate(ref.oid, &op, &outbl); | |
11472 | ||
11473 | if (epoch) { | |
11474 | *epoch = ref.ioctx.get_last_version(); | |
11475 | } | |
11476 | ||
11477 | if (r < 0) | |
11478 | return r; | |
11479 | ||
11480 | if (psize) | |
11481 | *psize = size; | |
11482 | if (pmtime) | |
11483 | *pmtime = ceph::real_clock::from_timespec(mtime_ts); | |
11484 | if (attrs) { | |
11485 | filter_attrset(unfiltered_attrset, RGW_ATTR_PREFIX, attrs); | |
11486 | } | |
11487 | ||
11488 | return 0; | |
11489 | } | |
11490 | ||
11491 | int RGWRados::get_bucket_stats(RGWBucketInfo& bucket_info, int shard_id, string *bucket_ver, string *master_ver, | |
11492 | map<RGWObjCategory, RGWStorageStats>& stats, string *max_marker) | |
11493 | { | |
11494 | map<string, rgw_bucket_dir_header> headers; | |
11495 | map<int, string> bucket_instance_ids; | |
11496 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11497 | if (r < 0) { | |
11498 | return r; | |
11499 | } | |
11500 | ||
11501 | assert(headers.size() == bucket_instance_ids.size()); | |
11502 | ||
11503 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11504 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11505 | BucketIndexShardsManager ver_mgr; | |
11506 | BucketIndexShardsManager master_ver_mgr; | |
11507 | BucketIndexShardsManager marker_mgr; | |
11508 | string shard_marker; | |
11509 | char buf[64]; | |
11510 | for(; iter != headers.end(); ++iter, ++viter) { | |
11511 | accumulate_raw_stats(iter->second, stats); | |
11512 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.ver); | |
11513 | ver_mgr.add(viter->first, string(buf)); | |
11514 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.master_ver); | |
11515 | master_ver_mgr.add(viter->first, string(buf)); | |
11516 | if (shard_id >= 0) { | |
11517 | *max_marker = iter->second.max_marker; | |
11518 | } else { | |
11519 | marker_mgr.add(viter->first, iter->second.max_marker); | |
11520 | } | |
11521 | } | |
11522 | ver_mgr.to_string(bucket_ver); | |
11523 | master_ver_mgr.to_string(master_ver); | |
11524 | if (shard_id < 0) { | |
11525 | marker_mgr.to_string(max_marker); | |
11526 | } | |
11527 | return 0; | |
11528 | } | |
11529 | ||
11530 | int RGWRados::get_bi_log_status(RGWBucketInfo& bucket_info, int shard_id, | |
11531 | map<int, string>& markers) | |
11532 | { | |
11533 | map<string, rgw_bucket_dir_header> headers; | |
11534 | map<int, string> bucket_instance_ids; | |
11535 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11536 | if (r < 0) | |
11537 | return r; | |
11538 | ||
11539 | assert(headers.size() == bucket_instance_ids.size()); | |
11540 | ||
11541 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11542 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11543 | ||
11544 | for(; iter != headers.end(); ++iter, ++viter) { | |
11545 | if (shard_id >= 0) { | |
11546 | markers[shard_id] = iter->second.max_marker; | |
11547 | } else { | |
11548 | markers[viter->first] = iter->second.max_marker; | |
11549 | } | |
11550 | } | |
11551 | return 0; | |
11552 | } | |
11553 | ||
11554 | class RGWGetBucketStatsContext : public RGWGetDirHeader_CB { | |
11555 | RGWGetBucketStats_CB *cb; | |
11556 | uint32_t pendings; | |
11557 | map<RGWObjCategory, RGWStorageStats> stats; | |
11558 | int ret_code; | |
11559 | bool should_cb; | |
11560 | Mutex lock; | |
11561 | ||
11562 | public: | |
11563 | RGWGetBucketStatsContext(RGWGetBucketStats_CB *_cb, uint32_t _pendings) | |
11564 | : cb(_cb), pendings(_pendings), stats(), ret_code(0), should_cb(true), | |
11565 | lock("RGWGetBucketStatsContext") {} | |
11566 | ||
11567 | void handle_response(int r, rgw_bucket_dir_header& header) override { | |
11568 | Mutex::Locker l(lock); | |
11569 | if (should_cb) { | |
11570 | if ( r >= 0) { | |
11571 | accumulate_raw_stats(header, stats); | |
11572 | } else { | |
11573 | ret_code = r; | |
11574 | } | |
11575 | ||
11576 | // Are we all done? | |
11577 | if (--pendings == 0) { | |
11578 | if (!ret_code) { | |
11579 | cb->set_response(&stats); | |
11580 | } | |
11581 | cb->handle_response(ret_code); | |
11582 | cb->put(); | |
11583 | } | |
11584 | } | |
11585 | } | |
11586 | ||
11587 | void unset_cb() { | |
11588 | Mutex::Locker l(lock); | |
11589 | should_cb = false; | |
11590 | } | |
11591 | }; | |
11592 | ||
11593 | int RGWRados::get_bucket_stats_async(RGWBucketInfo& bucket_info, int shard_id, RGWGetBucketStats_CB *ctx) | |
11594 | { | |
11595 | int num_aio = 0; | |
11596 | RGWGetBucketStatsContext *get_ctx = new RGWGetBucketStatsContext(ctx, bucket_info.num_shards); | |
11597 | assert(get_ctx); | |
11598 | int r = cls_bucket_head_async(bucket_info, shard_id, get_ctx, &num_aio); | |
11599 | get_ctx->put(); | |
11600 | if (r < 0) { | |
11601 | ctx->put(); | |
11602 | if (num_aio) { | |
11603 | get_ctx->unset_cb(); | |
11604 | } | |
11605 | } | |
11606 | return r; | |
11607 | } | |
11608 | ||
11609 | class RGWGetUserStatsContext : public RGWGetUserHeader_CB { | |
11610 | RGWGetUserStats_CB *cb; | |
11611 | ||
11612 | public: | |
11613 | explicit RGWGetUserStatsContext(RGWGetUserStats_CB * const cb) | |
11614 | : cb(cb) {} | |
11615 | ||
11616 | void handle_response(int r, cls_user_header& header) override { | |
11617 | const cls_user_stats& hs = header.stats; | |
11618 | if (r >= 0) { | |
11619 | RGWStorageStats stats; | |
11620 | ||
11621 | stats.size = hs.total_bytes; | |
11622 | stats.size_rounded = hs.total_bytes_rounded; | |
11623 | stats.num_objects = hs.total_entries; | |
11624 | ||
11625 | cb->set_response(stats); | |
11626 | } | |
11627 | ||
11628 | cb->handle_response(r); | |
11629 | ||
11630 | cb->put(); | |
11631 | } | |
11632 | }; | |
11633 | ||
11634 | int RGWRados::get_user_stats(const rgw_user& user, RGWStorageStats& stats) | |
11635 | { | |
11636 | string user_str = user.to_str(); | |
11637 | ||
11638 | cls_user_header header; | |
11639 | int r = cls_user_get_header(user_str, &header); | |
11640 | if (r < 0) | |
11641 | return r; | |
11642 | ||
11643 | const cls_user_stats& hs = header.stats; | |
11644 | ||
11645 | stats.size = hs.total_bytes; | |
11646 | stats.size_rounded = hs.total_bytes_rounded; | |
11647 | stats.num_objects = hs.total_entries; | |
11648 | ||
11649 | return 0; | |
11650 | } | |
11651 | ||
11652 | int RGWRados::get_user_stats_async(const rgw_user& user, RGWGetUserStats_CB *ctx) | |
11653 | { | |
11654 | string user_str = user.to_str(); | |
11655 | ||
11656 | RGWGetUserStatsContext *get_ctx = new RGWGetUserStatsContext(ctx); | |
11657 | int r = cls_user_get_header_async(user_str, get_ctx); | |
11658 | if (r < 0) { | |
11659 | ctx->put(); | |
11660 | delete get_ctx; | |
11661 | return r; | |
11662 | } | |
11663 | ||
11664 | return 0; | |
11665 | } | |
11666 | ||
11667 | void RGWRados::get_bucket_meta_oid(const rgw_bucket& bucket, string& oid) | |
11668 | { | |
11669 | oid = RGW_BUCKET_INSTANCE_MD_PREFIX + bucket.get_key(':'); | |
11670 | } | |
11671 | ||
11672 | void RGWRados::get_bucket_instance_obj(const rgw_bucket& bucket, rgw_raw_obj& obj) | |
11673 | { | |
11674 | if (!bucket.oid.empty()) { | |
11675 | obj.init(get_zone_params().domain_root, bucket.oid); | |
11676 | } else { | |
11677 | string oid; | |
11678 | get_bucket_meta_oid(bucket, oid); | |
11679 | obj.init(get_zone_params().domain_root, oid); | |
11680 | } | |
11681 | } | |
11682 | ||
11683 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const string& meta_key, RGWBucketInfo& info, | |
11684 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11685 | { | |
11686 | size_t pos = meta_key.find(':'); | |
11687 | if (pos == string::npos) { | |
11688 | return -EINVAL; | |
11689 | } | |
11690 | string oid = RGW_BUCKET_INSTANCE_MD_PREFIX + meta_key; | |
11691 | rgw_bucket_instance_key_to_oid(oid); | |
11692 | ||
11693 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11694 | } | |
11695 | ||
11696 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const rgw_bucket& bucket, RGWBucketInfo& info, | |
11697 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11698 | { | |
11699 | string oid; | |
11700 | if (bucket.oid.empty()) { | |
11701 | get_bucket_meta_oid(bucket, oid); | |
11702 | } else { | |
11703 | oid = bucket.oid; | |
11704 | } | |
11705 | ||
11706 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11707 | } | |
11708 | ||
31f18b77 | 11709 | int RGWRados::get_bucket_instance_from_oid(RGWObjectCtx& obj_ctx, const string& oid, RGWBucketInfo& info, |
7c673cae FG |
11710 | real_time *pmtime, map<string, bufferlist> *pattrs, |
11711 | rgw_cache_entry_info *cache_info) | |
11712 | { | |
11713 | ldout(cct, 20) << "reading from " << get_zone_params().domain_root << ":" << oid << dendl; | |
11714 | ||
11715 | bufferlist epbl; | |
11716 | ||
11717 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, oid, epbl, &info.objv_tracker, pmtime, pattrs, cache_info); | |
11718 | if (ret < 0) { | |
11719 | return ret; | |
11720 | } | |
11721 | ||
11722 | bufferlist::iterator iter = epbl.begin(); | |
11723 | try { | |
11724 | ::decode(info, iter); | |
11725 | } catch (buffer::error& err) { | |
11726 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11727 | return -EIO; | |
11728 | } | |
11729 | info.bucket.oid = oid; | |
11730 | return 0; | |
11731 | } | |
11732 | ||
11733 | int RGWRados::get_bucket_entrypoint_info(RGWObjectCtx& obj_ctx, | |
11734 | const string& tenant_name, | |
11735 | const string& bucket_name, | |
11736 | RGWBucketEntryPoint& entry_point, | |
11737 | RGWObjVersionTracker *objv_tracker, | |
11738 | real_time *pmtime, | |
11739 | map<string, bufferlist> *pattrs, | |
11740 | rgw_cache_entry_info *cache_info) | |
11741 | { | |
11742 | bufferlist bl; | |
11743 | string bucket_entry; | |
11744 | ||
11745 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11746 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, bucket_entry, bl, objv_tracker, pmtime, pattrs, cache_info); | |
11747 | if (ret < 0) { | |
11748 | return ret; | |
11749 | } | |
11750 | ||
11751 | bufferlist::iterator iter = bl.begin(); | |
11752 | try { | |
11753 | ::decode(entry_point, iter); | |
11754 | } catch (buffer::error& err) { | |
11755 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11756 | return -EIO; | |
11757 | } | |
11758 | return 0; | |
11759 | } | |
11760 | ||
11761 | int RGWRados::convert_old_bucket_info(RGWObjectCtx& obj_ctx, | |
11762 | const string& tenant_name, | |
11763 | const string& bucket_name) | |
11764 | { | |
11765 | RGWBucketEntryPoint entry_point; | |
11766 | real_time ep_mtime; | |
11767 | RGWObjVersionTracker ot; | |
11768 | map<string, bufferlist> attrs; | |
11769 | RGWBucketInfo info; | |
11770 | ||
11771 | ldout(cct, 10) << "RGWRados::convert_old_bucket_info(): bucket=" << bucket_name << dendl; | |
11772 | ||
11773 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, entry_point, &ot, &ep_mtime, &attrs); | |
11774 | if (ret < 0) { | |
11775 | ldout(cct, 0) << "ERROR: get_bucket_entrypoint_info() returned " << ret << " bucket=" << bucket_name << dendl; | |
11776 | return ret; | |
11777 | } | |
11778 | ||
11779 | if (!entry_point.has_bucket_info) { | |
11780 | /* already converted! */ | |
11781 | return 0; | |
11782 | } | |
11783 | ||
11784 | info = entry_point.old_bucket_info; | |
11785 | info.bucket.oid = bucket_name; | |
11786 | info.ep_objv = ot.read_version; | |
11787 | ||
11788 | ot.generate_new_write_ver(cct); | |
11789 | ||
11790 | ret = put_linked_bucket_info(info, false, ep_mtime, &ot.write_version, &attrs, true); | |
11791 | if (ret < 0) { | |
11792 | ldout(cct, 0) << "ERROR: failed to put_linked_bucket_info(): " << ret << dendl; | |
11793 | return ret; | |
11794 | } | |
11795 | ||
11796 | return 0; | |
11797 | } | |
11798 | ||
11799 | int RGWRados::get_bucket_info(RGWObjectCtx& obj_ctx, | |
11800 | const string& tenant, const string& bucket_name, RGWBucketInfo& info, | |
11801 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11802 | { | |
11803 | bucket_info_entry e; | |
11804 | string bucket_entry; | |
11805 | rgw_make_bucket_entry_name(tenant, bucket_name, bucket_entry); | |
11806 | ||
11807 | if (binfo_cache->find(bucket_entry, &e)) { | |
11808 | info = e.info; | |
11809 | if (pattrs) | |
11810 | *pattrs = e.attrs; | |
11811 | if (pmtime) | |
11812 | *pmtime = e.mtime; | |
11813 | return 0; | |
11814 | } | |
11815 | ||
11816 | RGWBucketEntryPoint entry_point; | |
11817 | real_time ep_mtime; | |
11818 | RGWObjVersionTracker ot; | |
11819 | rgw_cache_entry_info entry_cache_info; | |
11820 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant, bucket_name, entry_point, &ot, &ep_mtime, pattrs, &entry_cache_info); | |
11821 | if (ret < 0) { | |
11822 | /* only init these fields */ | |
11823 | info.bucket.tenant = tenant; | |
11824 | info.bucket.name = bucket_name; | |
11825 | return ret; | |
11826 | } | |
11827 | ||
11828 | if (entry_point.has_bucket_info) { | |
11829 | info = entry_point.old_bucket_info; | |
11830 | info.bucket.oid = bucket_name; | |
11831 | info.bucket.tenant = tenant; | |
11832 | info.ep_objv = ot.read_version; | |
11833 | ldout(cct, 20) << "rgw_get_bucket_info: old bucket info, bucket=" << info.bucket << " owner " << info.owner << dendl; | |
11834 | return 0; | |
11835 | } | |
11836 | ||
11837 | /* data is in the bucket instance object, we need to get attributes from there, clear everything | |
11838 | * that we got | |
11839 | */ | |
11840 | if (pattrs) { | |
11841 | pattrs->clear(); | |
11842 | } | |
11843 | ||
11844 | ldout(cct, 20) << "rgw_get_bucket_info: bucket instance: " << entry_point.bucket << dendl; | |
11845 | ||
11846 | ||
11847 | /* read bucket instance info */ | |
11848 | ||
11849 | string oid; | |
11850 | get_bucket_meta_oid(entry_point.bucket, oid); | |
11851 | ||
11852 | rgw_cache_entry_info cache_info; | |
11853 | ||
11854 | ret = get_bucket_instance_from_oid(obj_ctx, oid, e.info, &e.mtime, &e.attrs, &cache_info); | |
11855 | e.info.ep_objv = ot.read_version; | |
11856 | info = e.info; | |
11857 | if (ret < 0) { | |
11858 | info.bucket.tenant = tenant; | |
11859 | info.bucket.name = bucket_name; | |
11860 | // XXX and why return anything in case of an error anyway? | |
11861 | return ret; | |
11862 | } | |
11863 | ||
11864 | if (pmtime) | |
11865 | *pmtime = e.mtime; | |
11866 | if (pattrs) | |
11867 | *pattrs = e.attrs; | |
11868 | ||
11869 | list<rgw_cache_entry_info *> cache_info_entries; | |
11870 | cache_info_entries.push_back(&entry_cache_info); | |
11871 | cache_info_entries.push_back(&cache_info); | |
11872 | ||
11873 | ||
11874 | /* chain to both bucket entry point and bucket instance */ | |
11875 | if (!binfo_cache->put(this, bucket_entry, &e, cache_info_entries)) { | |
11876 | ldout(cct, 20) << "couldn't put binfo cache entry, might have raced with data changes" << dendl; | |
11877 | } | |
11878 | ||
11879 | return 0; | |
11880 | } | |
11881 | ||
11882 | int RGWRados::put_bucket_entrypoint_info(const string& tenant_name, const string& bucket_name, RGWBucketEntryPoint& entry_point, | |
11883 | bool exclusive, RGWObjVersionTracker& objv_tracker, real_time mtime, | |
11884 | map<string, bufferlist> *pattrs) | |
11885 | { | |
11886 | bufferlist epbl; | |
11887 | ::encode(entry_point, epbl); | |
11888 | string bucket_entry; | |
11889 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11890 | return rgw_bucket_store_info(this, bucket_entry, epbl, exclusive, pattrs, &objv_tracker, mtime); | |
11891 | } | |
11892 | ||
11893 | int RGWRados::put_bucket_instance_info(RGWBucketInfo& info, bool exclusive, | |
11894 | real_time mtime, map<string, bufferlist> *pattrs) | |
11895 | { | |
11896 | info.has_instance_obj = true; | |
11897 | bufferlist bl; | |
11898 | ||
11899 | ::encode(info, bl); | |
11900 | ||
11901 | string key = info.bucket.get_key(); /* when we go through meta api, we don't use oid directly */ | |
11902 | int ret = rgw_bucket_instance_store_info(this, key, bl, exclusive, pattrs, &info.objv_tracker, mtime); | |
11903 | if (ret == -EEXIST) { | |
11904 | /* well, if it's exclusive we shouldn't overwrite it, because we might race with another | |
11905 | * bucket operation on this specific bucket (e.g., being synced from the master), but | |
11906 | * since bucket instace meta object is unique for this specific bucket instace, we don't | |
11907 | * need to return an error. | |
11908 | * A scenario where we'd get -EEXIST here, is in a multi-zone config, we're not on the | |
11909 | * master, creating a bucket, sending bucket creation to the master, we create the bucket | |
11910 | * locally, while in the sync thread we sync the new bucket. | |
11911 | */ | |
11912 | ret = 0; | |
11913 | } | |
11914 | return ret; | |
11915 | } | |
11916 | ||
11917 | int RGWRados::put_linked_bucket_info(RGWBucketInfo& info, bool exclusive, real_time mtime, obj_version *pep_objv, | |
11918 | map<string, bufferlist> *pattrs, bool create_entry_point) | |
11919 | { | |
11920 | bool create_head = !info.has_instance_obj || create_entry_point; | |
11921 | ||
11922 | int ret = put_bucket_instance_info(info, exclusive, mtime, pattrs); | |
11923 | if (ret < 0) { | |
11924 | return ret; | |
11925 | } | |
11926 | ||
11927 | if (!create_head) | |
11928 | return 0; /* done! */ | |
11929 | ||
11930 | RGWBucketEntryPoint entry_point; | |
11931 | entry_point.bucket = info.bucket; | |
11932 | entry_point.owner = info.owner; | |
11933 | entry_point.creation_time = info.creation_time; | |
11934 | entry_point.linked = true; | |
11935 | RGWObjVersionTracker ot; | |
11936 | if (pep_objv && !pep_objv->tag.empty()) { | |
11937 | ot.write_version = *pep_objv; | |
11938 | } else { | |
11939 | ot.generate_new_write_ver(cct); | |
11940 | if (pep_objv) { | |
11941 | *pep_objv = ot.write_version; | |
11942 | } | |
11943 | } | |
11944 | ret = put_bucket_entrypoint_info(info.bucket.tenant, info.bucket.name, entry_point, exclusive, ot, mtime, NULL); | |
11945 | if (ret < 0) | |
11946 | return ret; | |
11947 | ||
11948 | return 0; | |
11949 | } | |
11950 | ||
11951 | int RGWRados::omap_get_vals(rgw_raw_obj& obj, bufferlist& header, const string& marker, uint64_t count, std::map<string, bufferlist>& m) | |
11952 | { | |
11953 | rgw_rados_ref ref; | |
11954 | int r = get_raw_obj_ref(obj, &ref); | |
11955 | if (r < 0) { | |
11956 | return r; | |
11957 | } | |
11958 | ||
11959 | r = ref.ioctx.omap_get_vals(ref.oid, marker, count, &m); | |
11960 | if (r < 0) | |
11961 | return r; | |
11962 | ||
11963 | return 0; | |
11964 | ||
11965 | } | |
11966 | ||
11967 | int RGWRados::omap_get_all(rgw_raw_obj& obj, bufferlist& header, | |
11968 | std::map<string, bufferlist>& m) | |
11969 | { | |
11970 | rgw_rados_ref ref; | |
11971 | int r = get_raw_obj_ref(obj, &ref); | |
11972 | if (r < 0) { | |
11973 | return r; | |
11974 | } | |
11975 | ||
11976 | #define MAX_OMAP_GET_ENTRIES 1024 | |
11977 | const int count = MAX_OMAP_GET_ENTRIES; | |
11978 | string start_after; | |
11979 | ||
11980 | while (true) { | |
11981 | std::map<string, bufferlist> t; | |
11982 | r = ref.ioctx.omap_get_vals(ref.oid, start_after, count, &t); | |
11983 | if (r < 0) { | |
11984 | return r; | |
11985 | } | |
11986 | if (t.empty()) { | |
11987 | break; | |
11988 | } | |
11989 | start_after = t.rbegin()->first; | |
11990 | m.insert(t.begin(), t.end()); | |
11991 | } | |
11992 | return 0; | |
11993 | } | |
11994 | ||
11995 | int RGWRados::omap_set(rgw_raw_obj& obj, const std::string& key, bufferlist& bl) | |
11996 | { | |
11997 | rgw_rados_ref ref; | |
11998 | int r = get_raw_obj_ref(obj, &ref); | |
11999 | if (r < 0) { | |
12000 | return r; | |
12001 | } | |
12002 | ldout(cct, 15) << "omap_set obj=" << obj << " key=" << key << dendl; | |
12003 | ||
12004 | map<string, bufferlist> m; | |
12005 | m[key] = bl; | |
12006 | ||
12007 | r = ref.ioctx.omap_set(ref.oid, m); | |
12008 | ||
12009 | return r; | |
12010 | } | |
12011 | ||
12012 | int RGWRados::omap_set(rgw_raw_obj& obj, std::map<std::string, bufferlist>& m) | |
12013 | { | |
12014 | rgw_rados_ref ref; | |
12015 | int r = get_raw_obj_ref(obj, &ref); | |
12016 | if (r < 0) { | |
12017 | return r; | |
12018 | } | |
12019 | ||
12020 | r = ref.ioctx.omap_set(ref.oid, m); | |
12021 | ||
12022 | return r; | |
12023 | } | |
12024 | ||
12025 | int RGWRados::omap_del(rgw_raw_obj& obj, const std::string& key) | |
12026 | { | |
12027 | rgw_rados_ref ref; | |
12028 | int r = get_raw_obj_ref(obj, &ref); | |
12029 | if (r < 0) { | |
12030 | return r; | |
12031 | } | |
12032 | ||
12033 | set<string> k; | |
12034 | k.insert(key); | |
12035 | ||
12036 | r = ref.ioctx.omap_rm_keys(ref.oid, k); | |
12037 | return r; | |
12038 | } | |
12039 | ||
12040 | int RGWRados::update_containers_stats(map<string, RGWBucketEnt>& m) | |
12041 | { | |
12042 | RGWObjectCtx obj_ctx(this); | |
12043 | ||
12044 | map<string, RGWBucketEnt>::iterator iter; | |
12045 | for (iter = m.begin(); iter != m.end(); ++iter) { | |
12046 | RGWBucketEnt& ent = iter->second; | |
12047 | rgw_bucket& bucket = ent.bucket; | |
12048 | ent.count = 0; | |
12049 | ent.size = 0; | |
12050 | ent.size_rounded = 0; | |
12051 | ||
12052 | map<string, rgw_bucket_dir_header> headers; | |
12053 | ||
12054 | RGWBucketInfo bucket_info; | |
12055 | int ret = get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
12056 | if (ret < 0) { | |
12057 | return ret; | |
12058 | } | |
12059 | ||
12060 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
12061 | if (r < 0) | |
12062 | return r; | |
12063 | ||
12064 | map<string, rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
12065 | for (; hiter != headers.end(); ++hiter) { | |
12066 | RGWObjCategory category = main_category; | |
12067 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = (hiter->second.stats).find((uint8_t)category); | |
12068 | if (iter != hiter->second.stats.end()) { | |
12069 | struct rgw_bucket_category_stats& stats = iter->second; | |
12070 | ent.count += stats.num_entries; | |
12071 | ent.size += stats.total_size; | |
12072 | ent.size_rounded += stats.total_size_rounded; | |
12073 | } | |
12074 | } | |
12075 | } | |
12076 | ||
12077 | return m.size(); | |
12078 | } | |
12079 | ||
12080 | int RGWRados::append_async(rgw_raw_obj& obj, size_t size, bufferlist& bl) | |
12081 | { | |
12082 | rgw_rados_ref ref; | |
12083 | int r = get_raw_obj_ref(obj, &ref); | |
12084 | if (r < 0) { | |
12085 | return r; | |
12086 | } | |
12087 | librados::Rados *rad = get_rados_handle(); | |
12088 | librados::AioCompletion *completion = rad->aio_create_completion(NULL, NULL, NULL); | |
12089 | ||
12090 | r = ref.ioctx.aio_append(ref.oid, completion, bl, size); | |
12091 | completion->release(); | |
12092 | return r; | |
12093 | } | |
12094 | ||
12095 | int RGWRados::distribute(const string& key, bufferlist& bl) | |
12096 | { | |
12097 | /* | |
12098 | * we were called before watch was initialized. This can only happen if we're updating some system | |
12099 | * config object (e.g., zone info) during init. Don't try to distribute the cache info for these | |
12100 | * objects, they're currently only read on startup anyway. | |
12101 | */ | |
12102 | if (!watch_initialized) | |
12103 | return 0; | |
12104 | ||
12105 | string notify_oid; | |
12106 | pick_control_oid(key, notify_oid); | |
12107 | ||
12108 | ldout(cct, 10) << "distributing notification oid=" << notify_oid << " bl.length()=" << bl.length() << dendl; | |
12109 | return control_pool_ctx.notify2(notify_oid, bl, 0, NULL); | |
12110 | } | |
12111 | ||
12112 | int RGWRados::pool_iterate_begin(const rgw_pool& pool, RGWPoolIterCtx& ctx) | |
12113 | { | |
12114 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
12115 | librados::NObjectIterator& iter = ctx.iter; | |
12116 | ||
12117 | int r = open_pool_ctx(pool, io_ctx); | |
12118 | if (r < 0) | |
12119 | return r; | |
12120 | ||
12121 | iter = io_ctx.nobjects_begin(); | |
12122 | ||
12123 | return 0; | |
12124 | } | |
12125 | ||
12126 | int RGWRados::pool_iterate(RGWPoolIterCtx& ctx, uint32_t num, vector<rgw_bucket_dir_entry>& objs, | |
12127 | bool *is_truncated, RGWAccessListFilter *filter) | |
12128 | { | |
12129 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
12130 | librados::NObjectIterator& iter = ctx.iter; | |
12131 | ||
12132 | if (iter == io_ctx.nobjects_end()) | |
12133 | return -ENOENT; | |
12134 | ||
12135 | uint32_t i; | |
12136 | ||
12137 | for (i = 0; i < num && iter != io_ctx.nobjects_end(); ++i, ++iter) { | |
12138 | rgw_bucket_dir_entry e; | |
12139 | ||
12140 | string oid = iter->get_oid(); | |
12141 | ldout(cct, 20) << "RGWRados::pool_iterate: got " << oid << dendl; | |
12142 | ||
12143 | // fill it in with initial values; we may correct later | |
12144 | if (filter && !filter->filter(oid, oid)) | |
12145 | continue; | |
12146 | ||
12147 | e.key = oid; | |
12148 | objs.push_back(e); | |
12149 | } | |
12150 | ||
12151 | if (is_truncated) | |
12152 | *is_truncated = (iter != io_ctx.nobjects_end()); | |
12153 | ||
12154 | return objs.size(); | |
12155 | } | |
12156 | struct RGWAccessListFilterPrefix : public RGWAccessListFilter { | |
12157 | string prefix; | |
12158 | ||
12159 | explicit RGWAccessListFilterPrefix(const string& _prefix) : prefix(_prefix) {} | |
12160 | bool filter(string& name, string& key) override { | |
12161 | return (prefix.compare(key.substr(0, prefix.size())) == 0); | |
12162 | } | |
12163 | }; | |
12164 | ||
12165 | int RGWRados::list_raw_objects(const rgw_pool& pool, const string& prefix_filter, | |
12166 | int max, RGWListRawObjsCtx& ctx, list<string>& oids, | |
12167 | bool *is_truncated) | |
12168 | { | |
12169 | RGWAccessListFilterPrefix filter(prefix_filter); | |
12170 | ||
12171 | if (!ctx.initialized) { | |
12172 | int r = pool_iterate_begin(pool, ctx.iter_ctx); | |
12173 | if (r < 0) { | |
12174 | ldout(cct, 10) << "failed to list objects pool_iterate_begin() returned r=" << r << dendl; | |
12175 | return r; | |
12176 | } | |
12177 | ctx.initialized = true; | |
12178 | } | |
12179 | ||
12180 | vector<rgw_bucket_dir_entry> objs; | |
12181 | int r = pool_iterate(ctx.iter_ctx, max, objs, is_truncated, &filter); | |
12182 | if (r < 0) { | |
12183 | if(r != -ENOENT) | |
12184 | ldout(cct, 10) << "failed to list objects pool_iterate returned r=" << r << dendl; | |
12185 | return r; | |
12186 | } | |
12187 | ||
12188 | vector<rgw_bucket_dir_entry>::iterator iter; | |
12189 | for (iter = objs.begin(); iter != objs.end(); ++iter) { | |
12190 | oids.push_back(iter->key.name); | |
12191 | } | |
12192 | ||
12193 | return oids.size(); | |
12194 | } | |
12195 | ||
12196 | int RGWRados::list_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& marker, uint32_t max, | |
12197 | std::list<rgw_bi_log_entry>& result, bool *truncated) | |
12198 | { | |
12199 | ldout(cct, 20) << __func__ << ": " << bucket_info.bucket << " marker " << marker << " shard_id=" << shard_id << " max " << max << dendl; | |
12200 | result.clear(); | |
12201 | ||
12202 | librados::IoCtx index_ctx; | |
12203 | map<int, string> oids; | |
12204 | map<int, cls_rgw_bi_log_list_ret> bi_log_lists; | |
12205 | map<int, string> bucket_instance_ids; | |
12206 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id, &bucket_instance_ids); | |
12207 | if (r < 0) | |
12208 | return r; | |
12209 | ||
12210 | BucketIndexShardsManager marker_mgr; | |
12211 | bool has_shards = (oids.size() > 1 || shard_id >= 0); | |
12212 | // If there are multiple shards for the bucket index object, the marker | |
12213 | // should have the pattern '{shard_id_1}#{shard_marker_1},{shard_id_2}# | |
12214 | // {shard_marker_2}...', if there is no sharding, the bi_log_list should | |
12215 | // only contain one record, and the key is the bucket instance id. | |
12216 | r = marker_mgr.from_string(marker, shard_id); | |
12217 | if (r < 0) | |
12218 | return r; | |
12219 | ||
12220 | r = CLSRGWIssueBILogList(index_ctx, marker_mgr, max, oids, bi_log_lists, cct->_conf->rgw_bucket_index_max_aio)(); | |
12221 | if (r < 0) | |
12222 | return r; | |
12223 | ||
12224 | map<int, list<rgw_bi_log_entry>::iterator> vcurrents; | |
12225 | map<int, list<rgw_bi_log_entry>::iterator> vends; | |
12226 | if (truncated) { | |
12227 | *truncated = false; | |
12228 | } | |
12229 | map<int, cls_rgw_bi_log_list_ret>::iterator miter = bi_log_lists.begin(); | |
12230 | for (; miter != bi_log_lists.end(); ++miter) { | |
12231 | int shard_id = miter->first; | |
12232 | vcurrents[shard_id] = miter->second.entries.begin(); | |
12233 | vends[shard_id] = miter->second.entries.end(); | |
12234 | if (truncated) { | |
12235 | *truncated = (*truncated || miter->second.truncated); | |
12236 | } | |
12237 | } | |
12238 | ||
12239 | size_t total = 0; | |
12240 | bool has_more = true; | |
12241 | map<int, list<rgw_bi_log_entry>::iterator>::iterator viter; | |
12242 | map<int, list<rgw_bi_log_entry>::iterator>::iterator eiter; | |
12243 | while (total < max && has_more) { | |
12244 | has_more = false; | |
12245 | ||
12246 | viter = vcurrents.begin(); | |
12247 | eiter = vends.begin(); | |
12248 | ||
12249 | for (; total < max && viter != vcurrents.end(); ++viter, ++eiter) { | |
12250 | assert (eiter != vends.end()); | |
12251 | ||
12252 | int shard_id = viter->first; | |
12253 | list<rgw_bi_log_entry>::iterator& liter = viter->second; | |
12254 | ||
12255 | if (liter == eiter->second){ | |
12256 | continue; | |
12257 | } | |
12258 | rgw_bi_log_entry& entry = *(liter); | |
12259 | if (has_shards) { | |
12260 | char buf[16]; | |
12261 | snprintf(buf, sizeof(buf), "%d", shard_id); | |
12262 | string tmp_id; | |
12263 | build_bucket_index_marker(buf, entry.id, &tmp_id); | |
12264 | entry.id.swap(tmp_id); | |
12265 | } | |
12266 | marker_mgr.add(shard_id, entry.id); | |
12267 | result.push_back(entry); | |
12268 | total++; | |
12269 | has_more = true; | |
12270 | ++liter; | |
12271 | } | |
12272 | } | |
12273 | ||
12274 | if (truncated) { | |
12275 | for (viter = vcurrents.begin(), eiter = vends.begin(); viter != vcurrents.end(); ++viter, ++eiter) { | |
12276 | assert (eiter != vends.end()); | |
12277 | *truncated = (*truncated || (viter->second != eiter->second)); | |
12278 | } | |
12279 | } | |
12280 | ||
12281 | // Refresh marker, if there are multiple shards, the output will look like | |
12282 | // '{shard_oid_1}#{shard_marker_1},{shard_oid_2}#{shard_marker_2}...', | |
12283 | // if there is no sharding, the simply marker (without oid) is returned | |
12284 | if (has_shards) { | |
12285 | marker_mgr.to_string(&marker); | |
12286 | } else { | |
12287 | if (!result.empty()) { | |
12288 | marker = result.rbegin()->id; | |
12289 | } | |
12290 | } | |
12291 | ||
12292 | return 0; | |
12293 | } | |
12294 | ||
12295 | int RGWRados::trim_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& start_marker, string& end_marker) | |
12296 | { | |
12297 | librados::IoCtx index_ctx; | |
12298 | map<int, string> bucket_objs; | |
31f18b77 FG |
12299 | |
12300 | BucketIndexShardsManager start_marker_mgr; | |
12301 | BucketIndexShardsManager end_marker_mgr; | |
12302 | ||
7c673cae | 12303 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); |
31f18b77 | 12304 | if (r < 0) { |
7c673cae | 12305 | return r; |
31f18b77 | 12306 | } |
7c673cae | 12307 | |
7c673cae | 12308 | r = start_marker_mgr.from_string(start_marker, shard_id); |
31f18b77 | 12309 | if (r < 0) { |
7c673cae | 12310 | return r; |
31f18b77 FG |
12311 | } |
12312 | ||
7c673cae | 12313 | r = end_marker_mgr.from_string(end_marker, shard_id); |
31f18b77 | 12314 | if (r < 0) { |
7c673cae | 12315 | return r; |
31f18b77 | 12316 | } |
7c673cae FG |
12317 | |
12318 | return CLSRGWIssueBILogTrim(index_ctx, start_marker_mgr, end_marker_mgr, bucket_objs, | |
31f18b77 FG |
12319 | cct->_conf->rgw_bucket_index_max_aio)(); |
12320 | ||
12321 | return r; | |
7c673cae FG |
12322 | } |
12323 | ||
12324 | int RGWRados::bi_get_instance(const RGWBucketInfo& bucket_info, rgw_obj& obj, rgw_bucket_dir_entry *dirent) | |
12325 | { | |
12326 | rgw_rados_ref ref; | |
12327 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
12328 | if (r < 0) { | |
12329 | return r; | |
12330 | } | |
12331 | ||
12332 | rgw_cls_bi_entry bi_entry; | |
12333 | r = bi_get(obj.bucket, obj, InstanceIdx, &bi_entry); | |
12334 | if (r < 0 && r != -ENOENT) { | |
12335 | ldout(cct, 0) << "ERROR: bi_get() returned r=" << r << dendl; | |
12336 | } | |
12337 | if (r < 0) { | |
12338 | return r; | |
12339 | } | |
12340 | bufferlist::iterator iter = bi_entry.data.begin(); | |
12341 | try { | |
12342 | ::decode(*dirent, iter); | |
12343 | } catch (buffer::error& err) { | |
12344 | ldout(cct, 0) << "ERROR: failed to decode bi_entry()" << dendl; | |
12345 | return -EIO; | |
12346 | } | |
12347 | ||
12348 | return 0; | |
12349 | } | |
12350 | ||
12351 | int RGWRados::bi_get(rgw_bucket& bucket, rgw_obj& obj, BIIndexType index_type, rgw_cls_bi_entry *entry) | |
12352 | { | |
12353 | BucketShard bs(this); | |
12354 | int ret = bs.init(bucket, obj); | |
12355 | if (ret < 0) { | |
12356 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12357 | return ret; | |
12358 | } | |
12359 | ||
12360 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
12361 | ||
12362 | ret = cls_rgw_bi_get(bs.index_ctx, bs.bucket_obj, index_type, key, entry); | |
12363 | if (ret < 0) | |
12364 | return ret; | |
12365 | ||
12366 | return 0; | |
12367 | } | |
12368 | ||
12369 | void RGWRados::bi_put(ObjectWriteOperation& op, BucketShard& bs, rgw_cls_bi_entry& entry) | |
12370 | { | |
12371 | cls_rgw_bi_put(op, bs.bucket_obj, entry); | |
12372 | } | |
12373 | ||
12374 | int RGWRados::bi_put(BucketShard& bs, rgw_cls_bi_entry& entry) | |
12375 | { | |
12376 | int ret = cls_rgw_bi_put(bs.index_ctx, bs.bucket_obj, entry); | |
12377 | if (ret < 0) | |
12378 | return ret; | |
12379 | ||
12380 | return 0; | |
12381 | } | |
12382 | ||
12383 | int RGWRados::bi_put(rgw_bucket& bucket, rgw_obj& obj, rgw_cls_bi_entry& entry) | |
12384 | { | |
12385 | BucketShard bs(this); | |
12386 | int ret = bs.init(bucket, obj); | |
12387 | if (ret < 0) { | |
12388 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12389 | return ret; | |
12390 | } | |
12391 | ||
12392 | return bi_put(bs, entry); | |
12393 | } | |
12394 | ||
12395 | int RGWRados::bi_list(rgw_bucket& bucket, const string& obj_name, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated) | |
12396 | { | |
12397 | rgw_obj obj(bucket, obj_name); | |
12398 | BucketShard bs(this); | |
12399 | int ret = bs.init(bucket, obj); | |
12400 | if (ret < 0) { | |
12401 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12402 | return ret; | |
12403 | } | |
12404 | ||
12405 | ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, obj_name, marker, max, entries, is_truncated); | |
31f18b77 FG |
12406 | if (ret == -ENOENT) { |
12407 | *is_truncated = false; | |
12408 | } | |
7c673cae FG |
12409 | if (ret < 0) |
12410 | return ret; | |
12411 | ||
12412 | return 0; | |
12413 | } | |
12414 | ||
12415 | int RGWRados::bi_list(BucketShard& bs, const string& filter_obj, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated) | |
12416 | { | |
12417 | int ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, filter_obj, marker, max, entries, is_truncated); | |
12418 | if (ret < 0) | |
12419 | return ret; | |
12420 | ||
12421 | return 0; | |
12422 | } | |
12423 | ||
12424 | int RGWRados::bi_remove(BucketShard& bs) | |
12425 | { | |
12426 | int ret = bs.index_ctx.remove(bs.bucket_obj); | |
12427 | if (ret == -ENOENT) { | |
12428 | ret = 0; | |
12429 | } | |
12430 | if (ret < 0) { | |
12431 | ldout(cct, 5) << "bs.index_ctx.remove(" << bs.bucket_obj << ") returned ret=" << ret << dendl; | |
12432 | return ret; | |
12433 | } | |
12434 | ||
12435 | return 0; | |
12436 | } | |
12437 | ||
12438 | int RGWRados::bi_list(rgw_bucket& bucket, int shard_id, const string& filter_obj, const string& marker, uint32_t max, list<rgw_cls_bi_entry> *entries, bool *is_truncated) | |
12439 | { | |
12440 | BucketShard bs(this); | |
12441 | int ret = bs.init(bucket, shard_id); | |
12442 | if (ret < 0) { | |
12443 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12444 | return ret; | |
12445 | } | |
12446 | ||
12447 | return bi_list(bs, filter_obj, marker, max, entries, is_truncated); | |
12448 | } | |
12449 | ||
12450 | int RGWRados::gc_operate(string& oid, librados::ObjectWriteOperation *op) | |
12451 | { | |
12452 | return gc_pool_ctx.operate(oid, op); | |
12453 | } | |
12454 | ||
12455 | int RGWRados::gc_aio_operate(string& oid, librados::ObjectWriteOperation *op) | |
12456 | { | |
12457 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12458 | int r = gc_pool_ctx.aio_operate(oid, c, op); | |
12459 | c->release(); | |
12460 | return r; | |
12461 | } | |
12462 | ||
12463 | int RGWRados::gc_operate(string& oid, librados::ObjectReadOperation *op, bufferlist *pbl) | |
12464 | { | |
12465 | return gc_pool_ctx.operate(oid, op, pbl); | |
12466 | } | |
12467 | ||
12468 | int RGWRados::list_gc_objs(int *index, string& marker, uint32_t max, bool expired_only, std::list<cls_rgw_gc_obj_info>& result, bool *truncated) | |
12469 | { | |
12470 | return gc->list(index, marker, max, expired_only, result, truncated); | |
12471 | } | |
12472 | ||
12473 | int RGWRados::process_gc() | |
12474 | { | |
12475 | return gc->process(); | |
12476 | } | |
12477 | ||
12478 | int RGWRados::list_lc_progress(const string& marker, uint32_t max_entries, map<string, int> *progress_map) | |
12479 | { | |
12480 | return lc->list_lc_progress(marker, max_entries, progress_map); | |
12481 | } | |
12482 | ||
12483 | int RGWRados::process_lc() | |
12484 | { | |
12485 | return lc->process(); | |
12486 | } | |
12487 | ||
12488 | int RGWRados::process_expire_objects() | |
12489 | { | |
12490 | obj_expirer->inspect_all_shards(utime_t(), ceph_clock_now()); | |
12491 | return 0; | |
12492 | } | |
12493 | ||
12494 | int RGWRados::cls_rgw_init_index(librados::IoCtx& index_ctx, librados::ObjectWriteOperation& op, string& oid) | |
12495 | { | |
12496 | bufferlist in; | |
12497 | cls_rgw_bucket_init(op); | |
12498 | return index_ctx.operate(oid, &op); | |
12499 | } | |
12500 | ||
12501 | int RGWRados::cls_obj_prepare_op(BucketShard& bs, RGWModifyOp op, string& tag, | |
31f18b77 | 12502 | rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *_zones_trace) |
7c673cae | 12503 | { |
31f18b77 FG |
12504 | rgw_zone_set zones_trace; |
12505 | if (_zones_trace) { | |
12506 | zones_trace = *_zones_trace; | |
12507 | } | |
12508 | else { | |
12509 | zones_trace.insert(get_zone().id); | |
12510 | } | |
12511 | ||
7c673cae FG |
12512 | ObjectWriteOperation o; |
12513 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
31f18b77 FG |
12514 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); |
12515 | cls_rgw_bucket_prepare_op(o, op, tag, key, obj.key.get_loc(), get_zone().log_data, bilog_flags, zones_trace); | |
7c673cae FG |
12516 | return bs.index_ctx.operate(bs.bucket_obj, &o); |
12517 | } | |
12518 | ||
31f18b77 | 12519 | int RGWRados::cls_obj_complete_op(BucketShard& bs, const rgw_obj& obj, RGWModifyOp op, string& tag, |
7c673cae FG |
12520 | int64_t pool, uint64_t epoch, |
12521 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
31f18b77 | 12522 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *_zones_trace) |
7c673cae | 12523 | { |
7c673cae FG |
12524 | ObjectWriteOperation o; |
12525 | rgw_bucket_dir_entry_meta dir_meta; | |
12526 | dir_meta = ent.meta; | |
12527 | dir_meta.category = category; | |
12528 | ||
12529 | rgw_bucket_entry_ver ver; | |
12530 | ver.pool = pool; | |
12531 | ver.epoch = epoch; | |
12532 | cls_rgw_obj_key key(ent.key.name, ent.key.instance); | |
31f18b77 FG |
12533 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); |
12534 | cls_rgw_bucket_complete_op(o, op, tag, ver, key, dir_meta, remove_objs, | |
12535 | get_zone().log_data, bilog_flags, _zones_trace); | |
12536 | complete_op_data *arg; | |
12537 | index_completion_manager->create_completion(obj, op, tag, ver, key, dir_meta, remove_objs, | |
12538 | get_zone().log_data, bilog_flags, _zones_trace, &arg); | |
12539 | librados::AioCompletion *completion = arg->rados_completion; | |
12540 | int ret = bs.index_ctx.aio_operate(bs.bucket_obj, arg->rados_completion, &o); | |
12541 | completion->release(); /* can't reference arg here, as it might have already been released */ | |
7c673cae FG |
12542 | return ret; |
12543 | } | |
12544 | ||
31f18b77 | 12545 | int RGWRados::cls_obj_complete_add(BucketShard& bs, const rgw_obj& obj, string& tag, |
7c673cae FG |
12546 | int64_t pool, uint64_t epoch, |
12547 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
31f18b77 | 12548 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *zones_trace) |
7c673cae | 12549 | { |
31f18b77 | 12550 | return cls_obj_complete_op(bs, obj, CLS_RGW_OP_ADD, tag, pool, epoch, ent, category, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
12551 | } |
12552 | ||
12553 | int RGWRados::cls_obj_complete_del(BucketShard& bs, string& tag, | |
12554 | int64_t pool, uint64_t epoch, | |
12555 | rgw_obj& obj, | |
12556 | real_time& removed_mtime, | |
12557 | list<rgw_obj_index_key> *remove_objs, | |
31f18b77 FG |
12558 | uint16_t bilog_flags, |
12559 | rgw_zone_set *zones_trace) | |
7c673cae FG |
12560 | { |
12561 | rgw_bucket_dir_entry ent; | |
12562 | ent.meta.mtime = removed_mtime; | |
12563 | obj.key.get_index_key(&ent.key); | |
31f18b77 | 12564 | return cls_obj_complete_op(bs, obj, CLS_RGW_OP_DEL, tag, pool, epoch, ent, RGW_OBJ_CATEGORY_NONE, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
12565 | } |
12566 | ||
31f18b77 | 12567 | int RGWRados::cls_obj_complete_cancel(BucketShard& bs, string& tag, rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *zones_trace) |
7c673cae FG |
12568 | { |
12569 | rgw_bucket_dir_entry ent; | |
12570 | obj.key.get_index_key(&ent.key); | |
31f18b77 | 12571 | return cls_obj_complete_op(bs, obj, CLS_RGW_OP_CANCEL, tag, -1 /* pool id */, 0, ent, RGW_OBJ_CATEGORY_NONE, NULL, bilog_flags, zones_trace); |
7c673cae FG |
12572 | } |
12573 | ||
12574 | int RGWRados::cls_obj_set_bucket_tag_timeout(RGWBucketInfo& bucket_info, uint64_t timeout) | |
12575 | { | |
12576 | librados::IoCtx index_ctx; | |
12577 | map<int, string> bucket_objs; | |
12578 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
12579 | if (r < 0) | |
12580 | return r; | |
12581 | ||
12582 | return CLSRGWIssueSetTagTimeout(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio, timeout)(); | |
12583 | } | |
12584 | ||
12585 | int RGWRados::cls_bucket_list(RGWBucketInfo& bucket_info, int shard_id, rgw_obj_index_key& start, const string& prefix, | |
12586 | uint32_t num_entries, bool list_versions, map<string, rgw_bucket_dir_entry>& m, | |
12587 | bool *is_truncated, rgw_obj_index_key *last_entry, | |
12588 | bool (*force_check_filter)(const string& name)) | |
12589 | { | |
12590 | ldout(cct, 10) << "cls_bucket_list " << bucket_info.bucket << " start " << start.name << "[" << start.instance << "] num_entries " << num_entries << dendl; | |
12591 | ||
12592 | librados::IoCtx index_ctx; | |
12593 | // key - oid (for different shards if there is any) | |
12594 | // value - list result for the corresponding oid (shard), it is filled by the AIO callback | |
12595 | map<int, string> oids; | |
12596 | map<int, struct rgw_cls_list_ret> list_results; | |
12597 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id); | |
12598 | if (r < 0) | |
12599 | return r; | |
12600 | ||
12601 | cls_rgw_obj_key start_key(start.name, start.instance); | |
12602 | r = CLSRGWIssueBucketList(index_ctx, start_key, prefix, num_entries, list_versions, | |
12603 | oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12604 | if (r < 0) | |
12605 | return r; | |
12606 | ||
12607 | // Create a list of iterators that are used to iterate each shard | |
12608 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vcurrents(list_results.size()); | |
12609 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vends(list_results.size()); | |
12610 | vector<string> vnames(list_results.size()); | |
12611 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12612 | *is_truncated = false; | |
12613 | for (; iter != list_results.end(); ++iter) { | |
12614 | vcurrents.push_back(iter->second.dir.m.begin()); | |
12615 | vends.push_back(iter->second.dir.m.end()); | |
12616 | vnames.push_back(oids[iter->first]); | |
12617 | *is_truncated = (*is_truncated || iter->second.is_truncated); | |
12618 | } | |
12619 | ||
12620 | // Create a map to track the next candidate entry from each shard, if the entry | |
12621 | // from a specified shard is selected/erased, the next entry from that shard will | |
12622 | // be inserted for next round selection | |
12623 | map<string, size_t> candidates; | |
12624 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12625 | if (vcurrents[i] != vends[i]) { | |
12626 | candidates[vcurrents[i]->first] = i; | |
12627 | } | |
12628 | } | |
12629 | ||
12630 | map<string, bufferlist> updates; | |
12631 | uint32_t count = 0; | |
12632 | while (count < num_entries && !candidates.empty()) { | |
12633 | r = 0; | |
12634 | // Select the next one | |
12635 | int pos = candidates.begin()->second; | |
12636 | const string& name = vcurrents[pos]->first; | |
12637 | struct rgw_bucket_dir_entry& dirent = vcurrents[pos]->second; | |
12638 | ||
12639 | bool force_check = force_check_filter && force_check_filter(dirent.key.name); | |
12640 | if ((!dirent.exists && !dirent.is_delete_marker()) || !dirent.pending_map.empty() || force_check) { | |
12641 | /* there are uncommitted ops. We need to check the current state, | |
12642 | * and if the tags are old we need to do cleanup as well. */ | |
12643 | librados::IoCtx sub_ctx; | |
12644 | sub_ctx.dup(index_ctx); | |
12645 | r = check_disk_state(sub_ctx, bucket_info, dirent, dirent, updates[vnames[pos]]); | |
12646 | if (r < 0 && r != -ENOENT) { | |
12647 | return r; | |
12648 | } | |
12649 | } | |
12650 | if (r >= 0) { | |
12651 | ldout(cct, 10) << "RGWRados::cls_bucket_list: got " << dirent.key.name << "[" << dirent.key.instance << "]" << dendl; | |
12652 | m[name] = std::move(dirent); | |
12653 | ++count; | |
12654 | } | |
12655 | ||
12656 | // Refresh the candidates map | |
12657 | candidates.erase(candidates.begin()); | |
12658 | ++vcurrents[pos]; | |
12659 | if (vcurrents[pos] != vends[pos]) { | |
12660 | candidates[vcurrents[pos]->first] = pos; | |
12661 | } | |
12662 | } | |
12663 | ||
12664 | // Suggest updates if there is any | |
12665 | map<string, bufferlist>::iterator miter = updates.begin(); | |
12666 | for (; miter != updates.end(); ++miter) { | |
12667 | if (miter->second.length()) { | |
12668 | ObjectWriteOperation o; | |
12669 | cls_rgw_suggest_changes(o, miter->second); | |
12670 | // we don't care if we lose suggested updates, send them off blindly | |
12671 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12672 | index_ctx.aio_operate(miter->first, c, &o); | |
12673 | c->release(); | |
12674 | } | |
12675 | } | |
12676 | ||
12677 | // Check if all the returned entries are consumed or not | |
12678 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12679 | if (vcurrents[i] != vends[i]) | |
12680 | *is_truncated = true; | |
12681 | } | |
12682 | if (!m.empty()) | |
12683 | *last_entry = m.rbegin()->first; | |
12684 | ||
12685 | return 0; | |
12686 | } | |
12687 | ||
12688 | int RGWRados::cls_obj_usage_log_add(const string& oid, rgw_usage_log_info& info) | |
12689 | { | |
12690 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12691 | ||
12692 | rgw_rados_ref ref; | |
224ce89b | 12693 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
12694 | if (r < 0) { |
12695 | return r; | |
12696 | } | |
12697 | ||
12698 | ObjectWriteOperation op; | |
12699 | cls_rgw_usage_log_add(op, info); | |
12700 | ||
12701 | r = ref.ioctx.operate(ref.oid, &op); | |
12702 | return r; | |
12703 | } | |
12704 | ||
12705 | int RGWRados::cls_obj_usage_log_read(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
12706 | string& read_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage, bool *is_truncated) | |
12707 | { | |
12708 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12709 | ||
12710 | rgw_rados_ref ref; | |
224ce89b | 12711 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
12712 | if (r < 0) { |
12713 | return r; | |
12714 | } | |
12715 | ||
12716 | *is_truncated = false; | |
12717 | ||
12718 | r = cls_rgw_usage_log_read(ref.ioctx, ref.oid, user, start_epoch, end_epoch, | |
12719 | max_entries, read_iter, usage, is_truncated); | |
12720 | ||
12721 | return r; | |
12722 | } | |
12723 | ||
12724 | int RGWRados::cls_obj_usage_log_trim(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch) | |
12725 | { | |
12726 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12727 | ||
12728 | rgw_rados_ref ref; | |
224ce89b | 12729 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
12730 | if (r < 0) { |
12731 | return r; | |
12732 | } | |
12733 | ||
12734 | ObjectWriteOperation op; | |
12735 | cls_rgw_usage_log_trim(op, user, start_epoch, end_epoch); | |
12736 | ||
12737 | r = ref.ioctx.operate(ref.oid, &op); | |
12738 | return r; | |
12739 | } | |
12740 | ||
12741 | int RGWRados::remove_objs_from_index(RGWBucketInfo& bucket_info, list<rgw_obj_index_key>& oid_list) | |
12742 | { | |
12743 | librados::IoCtx index_ctx; | |
12744 | string dir_oid; | |
12745 | ||
12746 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12747 | ||
12748 | int r = open_bucket_index(bucket_info, index_ctx, dir_oid); | |
12749 | if (r < 0) | |
12750 | return r; | |
12751 | ||
12752 | bufferlist updates; | |
12753 | ||
12754 | for (auto iter = oid_list.begin(); iter != oid_list.end(); ++iter) { | |
12755 | rgw_bucket_dir_entry entry; | |
12756 | entry.key = *iter; | |
12757 | dout(2) << "RGWRados::remove_objs_from_index bucket=" << bucket_info.bucket << " obj=" << entry.key.name << ":" << entry.key.instance << dendl; | |
12758 | entry.ver.epoch = (uint64_t)-1; // ULLONG_MAX, needed to that objclass doesn't skip out request | |
12759 | updates.append(CEPH_RGW_REMOVE | suggest_flag); | |
12760 | ::encode(entry, updates); | |
12761 | } | |
12762 | ||
12763 | bufferlist out; | |
12764 | ||
12765 | r = index_ctx.exec(dir_oid, RGW_CLASS, RGW_DIR_SUGGEST_CHANGES, updates, out); | |
12766 | ||
12767 | return r; | |
12768 | } | |
12769 | ||
12770 | int RGWRados::check_disk_state(librados::IoCtx io_ctx, | |
12771 | const RGWBucketInfo& bucket_info, | |
12772 | rgw_bucket_dir_entry& list_state, | |
12773 | rgw_bucket_dir_entry& object, | |
12774 | bufferlist& suggested_updates) | |
12775 | { | |
12776 | const rgw_bucket& bucket = bucket_info.bucket; | |
12777 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12778 | ||
12779 | std::string loc; | |
12780 | ||
12781 | rgw_obj obj(bucket, list_state.key); | |
12782 | ||
12783 | string oid; | |
12784 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
12785 | ||
12786 | if (loc != list_state.locator) { | |
12787 | ldout(cct, 0) << "WARNING: generated locator (" << loc << ") is different from listed locator (" << list_state.locator << ")" << dendl; | |
12788 | } | |
12789 | ||
12790 | io_ctx.locator_set_key(list_state.locator); | |
12791 | ||
12792 | RGWObjState *astate = NULL; | |
12793 | RGWObjectCtx rctx(this); | |
12794 | int r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
12795 | if (r < 0) | |
12796 | return r; | |
12797 | ||
12798 | list_state.pending_map.clear(); // we don't need this and it inflates size | |
12799 | if (!astate->exists) { | |
12800 | /* object doesn't exist right now -- hopefully because it's | |
12801 | * marked as !exists and got deleted */ | |
12802 | if (list_state.exists) { | |
12803 | /* FIXME: what should happen now? Work out if there are any | |
12804 | * non-bad ways this could happen (there probably are, but annoying | |
12805 | * to handle!) */ | |
12806 | } | |
12807 | // encode a suggested removal of that key | |
12808 | list_state.ver.epoch = io_ctx.get_last_version(); | |
12809 | list_state.ver.pool = io_ctx.get_id(); | |
12810 | cls_rgw_encode_suggestion(CEPH_RGW_REMOVE, list_state, suggested_updates); | |
12811 | return -ENOENT; | |
12812 | } | |
12813 | ||
12814 | string etag; | |
12815 | string content_type; | |
12816 | ACLOwner owner; | |
12817 | ||
12818 | object.meta.size = astate->size; | |
12819 | object.meta.accounted_size = astate->accounted_size; | |
12820 | object.meta.mtime = astate->mtime; | |
12821 | ||
12822 | map<string, bufferlist>::iterator iter = astate->attrset.find(RGW_ATTR_ETAG); | |
12823 | if (iter != astate->attrset.end()) { | |
12824 | etag = iter->second.c_str(); | |
12825 | } | |
12826 | iter = astate->attrset.find(RGW_ATTR_CONTENT_TYPE); | |
12827 | if (iter != astate->attrset.end()) { | |
12828 | content_type = iter->second.c_str(); | |
12829 | } | |
12830 | iter = astate->attrset.find(RGW_ATTR_ACL); | |
12831 | if (iter != astate->attrset.end()) { | |
12832 | r = decode_policy(iter->second, &owner); | |
12833 | if (r < 0) { | |
12834 | dout(0) << "WARNING: could not decode policy for object: " << obj << dendl; | |
12835 | } | |
12836 | } | |
12837 | ||
12838 | if (astate->has_manifest) { | |
12839 | RGWObjManifest::obj_iterator miter; | |
12840 | RGWObjManifest& manifest = astate->manifest; | |
12841 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
12842 | const rgw_raw_obj& raw_loc = miter.get_location().get_raw_obj(this); | |
12843 | rgw_obj loc; | |
12844 | rgw_raw_obj_to_obj(manifest.get_obj().bucket, raw_loc, &loc); | |
12845 | ||
12846 | if (loc.key.ns == RGW_OBJ_NS_MULTIPART) { | |
12847 | dout(10) << "check_disk_state(): removing manifest part from index: " << loc << dendl; | |
12848 | r = delete_obj_index(loc); | |
12849 | if (r < 0) { | |
12850 | dout(0) << "WARNING: delete_obj_index() returned r=" << r << dendl; | |
12851 | } | |
12852 | } | |
12853 | } | |
12854 | } | |
12855 | ||
12856 | object.meta.etag = etag; | |
12857 | object.meta.content_type = content_type; | |
12858 | object.meta.owner = owner.get_id().to_str(); | |
12859 | object.meta.owner_display_name = owner.get_display_name(); | |
12860 | ||
12861 | // encode suggested updates | |
12862 | list_state.ver.pool = io_ctx.get_id(); | |
12863 | list_state.ver.epoch = astate->epoch; | |
12864 | list_state.meta.size = object.meta.size; | |
12865 | list_state.meta.accounted_size = object.meta.accounted_size; | |
12866 | list_state.meta.mtime = object.meta.mtime; | |
12867 | list_state.meta.category = main_category; | |
12868 | list_state.meta.etag = etag; | |
12869 | list_state.meta.content_type = content_type; | |
12870 | if (astate->obj_tag.length() > 0) | |
12871 | list_state.tag = astate->obj_tag.c_str(); | |
12872 | list_state.meta.owner = owner.get_id().to_str(); | |
12873 | list_state.meta.owner_display_name = owner.get_display_name(); | |
12874 | ||
12875 | list_state.exists = true; | |
12876 | cls_rgw_encode_suggestion(CEPH_RGW_UPDATE | suggest_flag, list_state, suggested_updates); | |
12877 | return 0; | |
12878 | } | |
12879 | ||
12880 | int RGWRados::cls_bucket_head(const RGWBucketInfo& bucket_info, int shard_id, map<string, struct rgw_bucket_dir_header>& headers, map<int, string> *bucket_instance_ids) | |
12881 | { | |
12882 | librados::IoCtx index_ctx; | |
12883 | map<int, string> oids; | |
12884 | map<int, struct rgw_cls_list_ret> list_results; | |
12885 | int r = open_bucket_index(bucket_info, index_ctx, oids, list_results, shard_id, bucket_instance_ids); | |
12886 | if (r < 0) | |
12887 | return r; | |
12888 | ||
12889 | r = CLSRGWIssueGetDirHeader(index_ctx, oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12890 | if (r < 0) | |
12891 | return r; | |
12892 | ||
12893 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12894 | for(; iter != list_results.end(); ++iter) { | |
12895 | headers[oids[iter->first]] = iter->second.dir.header; | |
12896 | } | |
12897 | return 0; | |
12898 | } | |
12899 | ||
12900 | int RGWRados::cls_bucket_head_async(const RGWBucketInfo& bucket_info, int shard_id, RGWGetDirHeader_CB *ctx, int *num_aio) | |
12901 | { | |
12902 | librados::IoCtx index_ctx; | |
12903 | map<int, string> bucket_objs; | |
12904 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); | |
12905 | if (r < 0) | |
12906 | return r; | |
12907 | ||
12908 | map<int, string>::iterator iter = bucket_objs.begin(); | |
12909 | for (; iter != bucket_objs.end(); ++iter) { | |
12910 | r = cls_rgw_get_dir_header_async(index_ctx, iter->second, static_cast<RGWGetDirHeader_CB*>(ctx->get())); | |
12911 | if (r < 0) { | |
12912 | ctx->put(); | |
12913 | break; | |
12914 | } else { | |
12915 | (*num_aio)++; | |
12916 | } | |
12917 | } | |
12918 | return r; | |
12919 | } | |
12920 | ||
12921 | int RGWRados::cls_user_get_header(const string& user_id, cls_user_header *header) | |
12922 | { | |
12923 | string buckets_obj_id; | |
12924 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12925 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12926 | ||
12927 | rgw_rados_ref ref; | |
224ce89b | 12928 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
12929 | if (r < 0) { |
12930 | return r; | |
12931 | } | |
12932 | ||
12933 | librados::ObjectReadOperation op; | |
12934 | int rc; | |
12935 | ::cls_user_get_header(op, header, &rc); | |
12936 | bufferlist ibl; | |
12937 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
12938 | if (r < 0) | |
12939 | return r; | |
12940 | if (rc < 0) | |
12941 | return rc; | |
12942 | ||
12943 | return 0; | |
12944 | } | |
12945 | ||
12946 | int RGWRados::cls_user_get_header_async(const string& user_id, RGWGetUserHeader_CB *ctx) | |
12947 | { | |
12948 | string buckets_obj_id; | |
12949 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12950 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12951 | ||
12952 | rgw_rados_ref ref; | |
224ce89b | 12953 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
12954 | if (r < 0) { |
12955 | return r; | |
12956 | } | |
12957 | ||
12958 | r = ::cls_user_get_header_async(ref.ioctx, ref.oid, ctx); | |
12959 | if (r < 0) | |
12960 | return r; | |
12961 | ||
12962 | return 0; | |
12963 | } | |
12964 | ||
12965 | int RGWRados::cls_user_sync_bucket_stats(rgw_raw_obj& user_obj, const RGWBucketInfo& bucket_info) | |
12966 | { | |
12967 | map<string, struct rgw_bucket_dir_header> headers; | |
12968 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
12969 | if (r < 0) { | |
12970 | ldout(cct, 20) << "cls_bucket_header() returned " << r << dendl; | |
12971 | return r; | |
12972 | } | |
12973 | ||
12974 | cls_user_bucket_entry entry; | |
12975 | ||
12976 | bucket_info.bucket.convert(&entry.bucket); | |
12977 | ||
12978 | map<string, struct rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
12979 | for (; hiter != headers.end(); ++hiter) { | |
12980 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = hiter->second.stats.begin(); | |
12981 | for (; iter != hiter->second.stats.end(); ++iter) { | |
12982 | struct rgw_bucket_category_stats& header_stats = iter->second; | |
12983 | entry.size += header_stats.total_size; | |
12984 | entry.size_rounded += header_stats.total_size_rounded; | |
12985 | entry.count += header_stats.num_entries; | |
12986 | } | |
12987 | } | |
12988 | ||
12989 | list<cls_user_bucket_entry> entries; | |
12990 | entries.push_back(entry); | |
12991 | ||
12992 | r = cls_user_update_buckets(user_obj, entries, false); | |
12993 | if (r < 0) { | |
12994 | ldout(cct, 20) << "cls_user_update_buckets() returned " << r << dendl; | |
12995 | return r; | |
12996 | } | |
12997 | ||
12998 | return 0; | |
12999 | } | |
13000 | ||
13001 | int RGWRados::cls_user_list_buckets(rgw_raw_obj& obj, | |
13002 | const string& in_marker, | |
13003 | const string& end_marker, | |
13004 | const int max_entries, | |
13005 | list<cls_user_bucket_entry>& entries, | |
13006 | string * const out_marker, | |
13007 | bool * const truncated) | |
13008 | { | |
13009 | rgw_rados_ref ref; | |
224ce89b | 13010 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
13011 | if (r < 0) { |
13012 | return r; | |
13013 | } | |
13014 | ||
13015 | librados::ObjectReadOperation op; | |
13016 | int rc; | |
13017 | ||
13018 | cls_user_bucket_list(op, in_marker, end_marker, max_entries, entries, out_marker, truncated, &rc); | |
13019 | bufferlist ibl; | |
13020 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
13021 | if (r < 0) | |
13022 | return r; | |
13023 | if (rc < 0) | |
13024 | return rc; | |
13025 | ||
13026 | return 0; | |
13027 | } | |
13028 | ||
13029 | int RGWRados::cls_user_update_buckets(rgw_raw_obj& obj, list<cls_user_bucket_entry>& entries, bool add) | |
13030 | { | |
13031 | rgw_rados_ref ref; | |
224ce89b | 13032 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
13033 | if (r < 0) { |
13034 | return r; | |
13035 | } | |
13036 | ||
13037 | librados::ObjectWriteOperation op; | |
13038 | cls_user_set_buckets(op, entries, add); | |
13039 | r = ref.ioctx.operate(ref.oid, &op); | |
13040 | if (r < 0) | |
13041 | return r; | |
13042 | ||
13043 | return 0; | |
13044 | } | |
13045 | ||
13046 | int RGWRados::complete_sync_user_stats(const rgw_user& user_id) | |
13047 | { | |
13048 | string buckets_obj_id; | |
13049 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
13050 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
13051 | return cls_user_complete_stats_sync(obj); | |
13052 | } | |
13053 | ||
13054 | int RGWRados::cls_user_complete_stats_sync(rgw_raw_obj& obj) | |
13055 | { | |
13056 | rgw_rados_ref ref; | |
224ce89b | 13057 | int r = get_raw_obj_ref(obj, &ref); |
7c673cae FG |
13058 | if (r < 0) { |
13059 | return r; | |
13060 | } | |
13061 | ||
13062 | librados::ObjectWriteOperation op; | |
13063 | ::cls_user_complete_stats_sync(op); | |
13064 | r = ref.ioctx.operate(ref.oid, &op); | |
13065 | if (r < 0) | |
13066 | return r; | |
13067 | ||
13068 | return 0; | |
13069 | } | |
13070 | ||
13071 | int RGWRados::cls_user_add_bucket(rgw_raw_obj& obj, const cls_user_bucket_entry& entry) | |
13072 | { | |
13073 | list<cls_user_bucket_entry> l; | |
13074 | l.push_back(entry); | |
13075 | ||
13076 | return cls_user_update_buckets(obj, l, true); | |
13077 | } | |
13078 | ||
13079 | int RGWRados::cls_user_remove_bucket(rgw_raw_obj& obj, const cls_user_bucket& bucket) | |
13080 | { | |
7c673cae | 13081 | rgw_rados_ref ref; |
224ce89b | 13082 | int r = get_system_obj_ref(obj, &ref); |
7c673cae FG |
13083 | if (r < 0) { |
13084 | return r; | |
13085 | } | |
13086 | ||
13087 | librados::ObjectWriteOperation op; | |
13088 | ::cls_user_remove_bucket(op, bucket); | |
13089 | r = ref.ioctx.operate(ref.oid, &op); | |
13090 | if (r < 0) | |
13091 | return r; | |
13092 | ||
13093 | return 0; | |
13094 | } | |
13095 | ||
224ce89b | 13096 | int RGWRados::check_bucket_shards(const RGWBucketInfo& bucket_info, const rgw_bucket& bucket, |
31f18b77 FG |
13097 | RGWQuotaInfo& bucket_quota) |
13098 | { | |
13099 | if (!cct->_conf->rgw_dynamic_resharding) { | |
13100 | return 0; | |
13101 | } | |
13102 | ||
13103 | bool need_resharding = false; | |
13104 | int num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1); | |
13105 | uint32_t suggested_num_shards; | |
13106 | ||
13107 | int ret = quota_handler->check_bucket_shards((uint64_t)cct->_conf->rgw_max_objs_per_shard, | |
13108 | num_source_shards, bucket_info.owner, bucket, bucket_quota, | |
13109 | 1, need_resharding, &suggested_num_shards); | |
13110 | if (ret < 0) { | |
13111 | return ret; | |
13112 | } | |
13113 | ||
13114 | if (need_resharding) { | |
224ce89b WB |
13115 | ldout(cct, 20) << __func__ << " bucket " << bucket.name << " need resharding " << |
13116 | " old num shards " << bucket_info.num_shards << " new num shards " << suggested_num_shards << | |
13117 | dendl; | |
31f18b77 FG |
13118 | return add_bucket_to_reshard(bucket_info, suggested_num_shards); |
13119 | } | |
13120 | ||
13121 | return ret; | |
13122 | } | |
13123 | ||
13124 | int RGWRados::add_bucket_to_reshard(const RGWBucketInfo& bucket_info, uint32_t new_num_shards) | |
13125 | { | |
13126 | RGWReshard reshard(this); | |
13127 | ||
13128 | uint32_t num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1); | |
13129 | ||
13130 | new_num_shards = min(new_num_shards, get_max_bucket_shards()); | |
13131 | if (new_num_shards <= num_source_shards) { | |
13132 | ldout(cct, 20) << "not resharding bucket name=" << bucket_info.bucket.name << ", orig_num=" << num_source_shards << ", new_num_shards=" << new_num_shards << dendl; | |
13133 | return 0; | |
13134 | } | |
13135 | ||
13136 | cls_rgw_reshard_entry entry; | |
13137 | entry.time = real_clock::now(); | |
13138 | entry.tenant = bucket_info.owner.tenant; | |
13139 | entry.bucket_name = bucket_info.bucket.name; | |
13140 | entry.bucket_id = bucket_info.bucket.bucket_id; | |
13141 | entry.old_num_shards = num_source_shards; | |
13142 | entry.new_num_shards = new_num_shards; | |
13143 | ||
13144 | return reshard.add(entry); | |
13145 | } | |
13146 | ||
7c673cae FG |
13147 | int RGWRados::check_quota(const rgw_user& bucket_owner, rgw_bucket& bucket, |
13148 | RGWQuotaInfo& user_quota, RGWQuotaInfo& bucket_quota, uint64_t obj_size) | |
13149 | { | |
13150 | return quota_handler->check_quota(bucket_owner, bucket, user_quota, bucket_quota, 1, obj_size); | |
13151 | } | |
13152 | ||
13153 | void RGWRados::get_bucket_index_objects(const string& bucket_oid_base, | |
13154 | uint32_t num_shards, map<int, string>& bucket_objects, int shard_id) | |
13155 | { | |
13156 | if (!num_shards) { | |
13157 | bucket_objects[0] = bucket_oid_base; | |
13158 | } else { | |
13159 | char buf[bucket_oid_base.size() + 32]; | |
13160 | if (shard_id < 0) { | |
13161 | for (uint32_t i = 0; i < num_shards; ++i) { | |
13162 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), i); | |
13163 | bucket_objects[i] = buf; | |
13164 | } | |
13165 | } else { | |
13166 | if ((uint32_t)shard_id > num_shards) { | |
13167 | return; | |
13168 | } | |
13169 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
13170 | bucket_objects[shard_id] = buf; | |
13171 | } | |
13172 | } | |
13173 | } | |
13174 | ||
13175 | void RGWRados::get_bucket_instance_ids(const RGWBucketInfo& bucket_info, int shard_id, map<int, string> *result) | |
13176 | { | |
13177 | const rgw_bucket& bucket = bucket_info.bucket; | |
13178 | string plain_id = bucket.name + ":" + bucket.bucket_id; | |
13179 | if (!bucket_info.num_shards) { | |
13180 | (*result)[0] = plain_id; | |
13181 | } else { | |
13182 | char buf[16]; | |
13183 | if (shard_id < 0) { | |
13184 | for (uint32_t i = 0; i < bucket_info.num_shards; ++i) { | |
13185 | snprintf(buf, sizeof(buf), ":%d", i); | |
13186 | (*result)[i] = plain_id + buf; | |
13187 | } | |
13188 | } else { | |
13189 | if ((uint32_t)shard_id > bucket_info.num_shards) { | |
13190 | return; | |
13191 | } | |
13192 | snprintf(buf, sizeof(buf), ":%d", shard_id); | |
13193 | (*result)[shard_id] = plain_id + buf; | |
13194 | } | |
13195 | } | |
13196 | } | |
13197 | ||
13198 | int RGWRados::get_target_shard_id(const RGWBucketInfo& bucket_info, const string& obj_key, | |
13199 | int *shard_id) | |
13200 | { | |
13201 | int r = 0; | |
13202 | switch (bucket_info.bucket_index_shard_hash_type) { | |
13203 | case RGWBucketInfo::MOD: | |
13204 | if (!bucket_info.num_shards) { | |
13205 | if (shard_id) { | |
13206 | *shard_id = -1; | |
13207 | } | |
13208 | } else { | |
13209 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
13210 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 | 13211 | sid = rgw_shards_mod(sid2, bucket_info.num_shards); |
7c673cae FG |
13212 | if (shard_id) { |
13213 | *shard_id = (int)sid; | |
13214 | } | |
13215 | } | |
13216 | break; | |
13217 | default: | |
13218 | r = -ENOTSUP; | |
13219 | } | |
13220 | return r; | |
13221 | } | |
13222 | ||
13223 | void RGWRados::get_bucket_index_object(const string& bucket_oid_base, uint32_t num_shards, | |
13224 | int shard_id, string *bucket_obj) | |
13225 | { | |
13226 | if (!num_shards) { | |
13227 | // By default with no sharding, we use the bucket oid as itself | |
13228 | (*bucket_obj) = bucket_oid_base; | |
13229 | } else { | |
13230 | char buf[bucket_oid_base.size() + 32]; | |
13231 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
13232 | (*bucket_obj) = buf; | |
13233 | } | |
13234 | } | |
13235 | ||
13236 | int RGWRados::get_bucket_index_object(const string& bucket_oid_base, const string& obj_key, | |
13237 | uint32_t num_shards, RGWBucketInfo::BIShardsHashType hash_type, string *bucket_obj, int *shard_id) | |
13238 | { | |
13239 | int r = 0; | |
13240 | switch (hash_type) { | |
13241 | case RGWBucketInfo::MOD: | |
13242 | if (!num_shards) { | |
13243 | // By default with no sharding, we use the bucket oid as itself | |
13244 | (*bucket_obj) = bucket_oid_base; | |
13245 | if (shard_id) { | |
13246 | *shard_id = -1; | |
13247 | } | |
13248 | } else { | |
13249 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
13250 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 | 13251 | sid = rgw_shards_mod(sid2, num_shards); |
7c673cae FG |
13252 | char buf[bucket_oid_base.size() + 32]; |
13253 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), sid); | |
13254 | (*bucket_obj) = buf; | |
13255 | if (shard_id) { | |
13256 | *shard_id = (int)sid; | |
13257 | } | |
13258 | } | |
13259 | break; | |
13260 | default: | |
13261 | r = -ENOTSUP; | |
13262 | } | |
13263 | return r; | |
13264 | } | |
13265 | ||
13266 | void RGWStateLog::oid_str(int shard, string& oid) { | |
13267 | oid = RGW_STATELOG_OBJ_PREFIX + module_name + "."; | |
13268 | char buf[16]; | |
13269 | snprintf(buf, sizeof(buf), "%d", shard); | |
13270 | oid += buf; | |
13271 | } | |
13272 | ||
13273 | int RGWStateLog::get_shard_num(const string& object) { | |
13274 | uint32_t val = ceph_str_hash_linux(object.c_str(), object.length()); | |
13275 | return val % num_shards; | |
13276 | } | |
13277 | ||
13278 | string RGWStateLog::get_oid(const string& object) { | |
13279 | int shard = get_shard_num(object); | |
13280 | string oid; | |
13281 | oid_str(shard, oid); | |
13282 | return oid; | |
13283 | } | |
13284 | ||
13285 | int RGWStateLog::open_ioctx(librados::IoCtx& ioctx) { | |
13286 | rgw_pool pool; | |
13287 | store->get_log_pool(pool); | |
13288 | int r = rgw_init_ioctx(store->get_rados_handle(), pool, ioctx); | |
13289 | if (r < 0) { | |
13290 | lderr(store->ctx()) << "ERROR: could not open rados pool" << dendl; | |
13291 | return r; | |
13292 | } | |
13293 | return 0; | |
13294 | } | |
13295 | ||
13296 | int RGWStateLog::store_entry(const string& client_id, const string& op_id, const string& object, | |
13297 | uint32_t state, bufferlist *bl, uint32_t *check_state) | |
13298 | { | |
13299 | if (client_id.empty() || | |
13300 | op_id.empty() || | |
13301 | object.empty()) { | |
13302 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
13303 | } | |
13304 | ||
13305 | librados::IoCtx ioctx; | |
13306 | int r = open_ioctx(ioctx); | |
13307 | if (r < 0) | |
13308 | return r; | |
13309 | ||
13310 | string oid = get_oid(object); | |
13311 | ||
13312 | librados::ObjectWriteOperation op; | |
13313 | if (check_state) { | |
13314 | cls_statelog_check_state(op, client_id, op_id, object, *check_state); | |
13315 | } | |
13316 | utime_t ts = ceph_clock_now(); | |
13317 | bufferlist nobl; | |
13318 | cls_statelog_add(op, client_id, op_id, object, ts, state, (bl ? *bl : nobl)); | |
13319 | r = ioctx.operate(oid, &op); | |
13320 | if (r < 0) { | |
13321 | return r; | |
13322 | } | |
13323 | ||
13324 | return 0; | |
13325 | } | |
13326 | ||
13327 | int RGWStateLog::remove_entry(const string& client_id, const string& op_id, const string& object) | |
13328 | { | |
13329 | if (client_id.empty() || | |
13330 | op_id.empty() || | |
13331 | object.empty()) { | |
13332 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
13333 | } | |
13334 | ||
13335 | librados::IoCtx ioctx; | |
13336 | int r = open_ioctx(ioctx); | |
13337 | if (r < 0) | |
13338 | return r; | |
13339 | ||
13340 | string oid = get_oid(object); | |
13341 | ||
13342 | librados::ObjectWriteOperation op; | |
13343 | cls_statelog_remove_by_object(op, object, op_id); | |
13344 | r = ioctx.operate(oid, &op); | |
13345 | if (r < 0) { | |
13346 | return r; | |
13347 | } | |
13348 | ||
13349 | return 0; | |
13350 | } | |
13351 | ||
13352 | void RGWStateLog::init_list_entries(const string& client_id, const string& op_id, const string& object, | |
13353 | void **handle) | |
13354 | { | |
13355 | list_state *state = new list_state; | |
13356 | state->client_id = client_id; | |
13357 | state->op_id = op_id; | |
13358 | state->object = object; | |
13359 | if (object.empty()) { | |
13360 | state->cur_shard = 0; | |
13361 | state->max_shard = num_shards - 1; | |
13362 | } else { | |
13363 | state->cur_shard = state->max_shard = get_shard_num(object); | |
13364 | } | |
13365 | *handle = (void *)state; | |
13366 | } | |
13367 | ||
13368 | int RGWStateLog::list_entries(void *handle, int max_entries, | |
13369 | list<cls_statelog_entry>& entries, | |
13370 | bool *done) | |
13371 | { | |
13372 | list_state *state = static_cast<list_state *>(handle); | |
13373 | ||
13374 | librados::IoCtx ioctx; | |
13375 | int r = open_ioctx(ioctx); | |
13376 | if (r < 0) | |
13377 | return r; | |
13378 | ||
13379 | entries.clear(); | |
13380 | ||
13381 | for (; state->cur_shard <= state->max_shard && max_entries > 0; ++state->cur_shard) { | |
13382 | string oid; | |
13383 | oid_str(state->cur_shard, oid); | |
13384 | ||
13385 | librados::ObjectReadOperation op; | |
13386 | list<cls_statelog_entry> ents; | |
13387 | bool truncated; | |
13388 | cls_statelog_list(op, state->client_id, state->op_id, state->object, state->marker, | |
13389 | max_entries, ents, &state->marker, &truncated); | |
13390 | bufferlist ibl; | |
13391 | r = ioctx.operate(oid, &op, &ibl); | |
13392 | if (r == -ENOENT) { | |
13393 | truncated = false; | |
13394 | r = 0; | |
13395 | } | |
13396 | if (r < 0) { | |
13397 | ldout(store->ctx(), 0) << "cls_statelog_list returned " << r << dendl; | |
13398 | return r; | |
13399 | } | |
13400 | ||
13401 | if (!truncated) { | |
13402 | state->marker.clear(); | |
13403 | } | |
13404 | ||
13405 | max_entries -= ents.size(); | |
13406 | ||
13407 | entries.splice(entries.end(), ents); | |
13408 | ||
13409 | if (truncated) | |
13410 | break; | |
13411 | } | |
13412 | ||
13413 | *done = (state->cur_shard > state->max_shard); | |
13414 | ||
13415 | return 0; | |
13416 | } | |
13417 | ||
13418 | void RGWStateLog::finish_list_entries(void *handle) | |
13419 | { | |
13420 | list_state *state = static_cast<list_state *>(handle); | |
13421 | delete state; | |
13422 | } | |
13423 | ||
13424 | void RGWStateLog::dump_entry(const cls_statelog_entry& entry, Formatter *f) | |
13425 | { | |
13426 | f->open_object_section("statelog_entry"); | |
13427 | f->dump_string("client_id", entry.client_id); | |
13428 | f->dump_string("op_id", entry.op_id); | |
13429 | f->dump_string("object", entry.object); | |
13430 | entry.timestamp.gmtime_nsec(f->dump_stream("timestamp")); | |
13431 | if (!dump_entry_internal(entry, f)) { | |
13432 | f->dump_int("state", entry.state); | |
13433 | } | |
13434 | f->close_section(); | |
13435 | } | |
13436 | ||
13437 | RGWOpState::RGWOpState(RGWRados *_store) : RGWStateLog(_store, _store->ctx()->_conf->rgw_num_zone_opstate_shards, string("obj_opstate")) | |
13438 | { | |
13439 | } | |
13440 | ||
13441 | bool RGWOpState::dump_entry_internal(const cls_statelog_entry& entry, Formatter *f) | |
13442 | { | |
13443 | string s; | |
13444 | switch ((OpState)entry.state) { | |
13445 | case OPSTATE_UNKNOWN: | |
13446 | s = "unknown"; | |
13447 | break; | |
13448 | case OPSTATE_IN_PROGRESS: | |
13449 | s = "in-progress"; | |
13450 | break; | |
13451 | case OPSTATE_COMPLETE: | |
13452 | s = "complete"; | |
13453 | break; | |
13454 | case OPSTATE_ERROR: | |
13455 | s = "error"; | |
13456 | break; | |
13457 | case OPSTATE_ABORT: | |
13458 | s = "abort"; | |
13459 | break; | |
13460 | case OPSTATE_CANCELLED: | |
13461 | s = "cancelled"; | |
13462 | break; | |
13463 | default: | |
13464 | s = "invalid"; | |
13465 | } | |
13466 | f->dump_string("state", s); | |
13467 | return true; | |
13468 | } | |
13469 | ||
13470 | int RGWOpState::state_from_str(const string& s, OpState *state) | |
13471 | { | |
13472 | if (s == "unknown") { | |
13473 | *state = OPSTATE_UNKNOWN; | |
13474 | } else if (s == "in-progress") { | |
13475 | *state = OPSTATE_IN_PROGRESS; | |
13476 | } else if (s == "complete") { | |
13477 | *state = OPSTATE_COMPLETE; | |
13478 | } else if (s == "error") { | |
13479 | *state = OPSTATE_ERROR; | |
13480 | } else if (s == "abort") { | |
13481 | *state = OPSTATE_ABORT; | |
13482 | } else if (s == "cancelled") { | |
13483 | *state = OPSTATE_CANCELLED; | |
13484 | } else { | |
13485 | return -EINVAL; | |
13486 | } | |
13487 | ||
13488 | return 0; | |
13489 | } | |
13490 | ||
13491 | int RGWOpState::set_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
13492 | { | |
13493 | uint32_t s = (uint32_t)state; | |
13494 | return store_entry(client_id, op_id, object, s, NULL, NULL); | |
13495 | } | |
13496 | ||
13497 | int RGWOpState::renew_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
13498 | { | |
13499 | uint32_t s = (uint32_t)state; | |
13500 | return store_entry(client_id, op_id, object, s, NULL, &s); | |
13501 | } | |
13502 | ||
13503 | RGWOpStateSingleOp::RGWOpStateSingleOp(RGWRados *store, const string& cid, const string& oid, | |
13504 | const string& obj) : os(store), client_id(cid), op_id(oid), object(obj) | |
13505 | { | |
13506 | cct = store->ctx(); | |
13507 | cur_state = RGWOpState::OPSTATE_UNKNOWN; | |
13508 | } | |
13509 | ||
13510 | int RGWOpStateSingleOp::set_state(RGWOpState::OpState state) { | |
13511 | last_update = real_clock::now(); | |
13512 | cur_state = state; | |
13513 | return os.set_state(client_id, op_id, object, state); | |
13514 | } | |
13515 | ||
13516 | int RGWOpStateSingleOp::renew_state() { | |
13517 | real_time now = real_clock::now(); | |
13518 | ||
13519 | int rate_limit_sec = cct->_conf->rgw_opstate_ratelimit_sec; | |
13520 | ||
13521 | if (rate_limit_sec && now - last_update < make_timespan(rate_limit_sec)) { | |
13522 | return 0; | |
13523 | } | |
13524 | ||
13525 | last_update = now; | |
13526 | return os.renew_state(client_id, op_id, object, cur_state); | |
13527 | } | |
13528 | ||
13529 | ||
13530 | uint64_t RGWRados::instance_id() | |
13531 | { | |
13532 | return get_rados_handle()->get_instance_id(); | |
13533 | } | |
13534 | ||
13535 | uint64_t RGWRados::next_bucket_id() | |
13536 | { | |
13537 | Mutex::Locker l(bucket_id_lock); | |
13538 | return ++max_bucket_id; | |
13539 | } | |
13540 | ||
31f18b77 | 13541 | RGWRados *RGWStoreManager::init_storage_provider(CephContext *cct, bool use_gc_thread, bool use_lc_thread, bool quota_threads, bool run_sync_thread, bool run_reshard_thread) |
7c673cae FG |
13542 | { |
13543 | int use_cache = cct->_conf->rgw_cache_enabled; | |
13544 | RGWRados *store = NULL; | |
13545 | if (!use_cache) { | |
13546 | store = new RGWRados; | |
13547 | } else { | |
13548 | store = new RGWCache<RGWRados>; | |
13549 | } | |
13550 | ||
31f18b77 | 13551 | if (store->initialize(cct, use_gc_thread, use_lc_thread, quota_threads, run_sync_thread, run_reshard_thread) < 0) { |
7c673cae FG |
13552 | delete store; |
13553 | return NULL; | |
13554 | } | |
13555 | ||
13556 | return store; | |
13557 | } | |
13558 | ||
13559 | RGWRados *RGWStoreManager::init_raw_storage_provider(CephContext *cct) | |
13560 | { | |
13561 | RGWRados *store = NULL; | |
13562 | store = new RGWRados; | |
13563 | ||
13564 | store->set_context(cct); | |
13565 | ||
13566 | if (store->init_rados() < 0) { | |
13567 | delete store; | |
13568 | return NULL; | |
13569 | } | |
13570 | ||
13571 | return store; | |
13572 | } | |
13573 | ||
13574 | void RGWStoreManager::close_storage(RGWRados *store) | |
13575 | { | |
13576 | if (!store) | |
13577 | return; | |
13578 | ||
13579 | store->finalize(); | |
13580 | ||
13581 | delete store; | |
13582 | } | |
13583 | ||
13584 | librados::Rados* RGWRados::get_rados_handle() | |
13585 | { | |
13586 | if (rados.size() == 1) { | |
13587 | return &rados[0]; | |
13588 | } else { | |
13589 | handle_lock.get_read(); | |
13590 | pthread_t id = pthread_self(); | |
13591 | std::map<pthread_t, int>:: iterator it = rados_map.find(id); | |
13592 | ||
13593 | if (it != rados_map.end()) { | |
13594 | handle_lock.put_read(); | |
13595 | return &rados[it->second]; | |
13596 | } else { | |
13597 | handle_lock.put_read(); | |
13598 | handle_lock.get_write(); | |
13599 | const uint32_t handle = next_rados_handle; | |
13600 | rados_map[id] = handle; | |
13601 | if (++next_rados_handle == rados.size()) { | |
13602 | next_rados_handle = 0; | |
13603 | } | |
13604 | handle_lock.put_write(); | |
13605 | return &rados[handle]; | |
13606 | } | |
13607 | } | |
13608 | } | |
13609 | ||
13610 | int RGWRados::delete_raw_obj_aio(const rgw_raw_obj& obj, list<librados::AioCompletion *>& handles) | |
13611 | { | |
13612 | rgw_rados_ref ref; | |
13613 | int ret = get_raw_obj_ref(obj, &ref); | |
13614 | if (ret < 0) { | |
13615 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13616 | return ret; | |
13617 | } | |
13618 | ||
13619 | ObjectWriteOperation op; | |
13620 | list<string> prefixes; | |
13621 | cls_rgw_remove_obj(op, prefixes); | |
13622 | ||
13623 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13624 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13625 | if (ret < 0) { | |
13626 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13627 | c->release(); | |
13628 | return ret; | |
13629 | } | |
13630 | ||
13631 | handles.push_back(c); | |
13632 | ||
13633 | return 0; | |
13634 | } | |
13635 | ||
13636 | int RGWRados::delete_obj_aio(const rgw_obj& obj, | |
13637 | RGWBucketInfo& bucket_info, RGWObjState *astate, | |
13638 | list<librados::AioCompletion *>& handles, bool keep_index_consistent) | |
13639 | { | |
13640 | rgw_rados_ref ref; | |
13641 | int ret = get_obj_head_ref(bucket_info, obj, &ref); | |
13642 | if (ret < 0) { | |
13643 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13644 | return ret; | |
13645 | } | |
13646 | ||
13647 | if (keep_index_consistent) { | |
13648 | RGWRados::Bucket bop(this, bucket_info); | |
13649 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
13650 | ||
13651 | ret = index_op.prepare(CLS_RGW_OP_DEL, &astate->write_tag); | |
13652 | if (ret < 0) { | |
13653 | lderr(cct) << "ERROR: failed to prepare index op with ret=" << ret << dendl; | |
13654 | return ret; | |
13655 | } | |
13656 | } | |
13657 | ||
13658 | ObjectWriteOperation op; | |
13659 | list<string> prefixes; | |
13660 | cls_rgw_remove_obj(op, prefixes); | |
13661 | ||
13662 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13663 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13664 | if (ret < 0) { | |
13665 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13666 | c->release(); | |
13667 | return ret; | |
13668 | } | |
13669 | ||
13670 | handles.push_back(c); | |
13671 | ||
13672 | if (keep_index_consistent) { | |
13673 | ret = delete_obj_index(obj); | |
13674 | if (ret < 0) { | |
13675 | lderr(cct) << "ERROR: failed to delete obj index with ret=" << ret << dendl; | |
13676 | return ret; | |
13677 | } | |
13678 | } | |
13679 | return ret; | |
13680 | } | |
13681 | ||
13682 | int rgw_compression_info_from_attrset(map<string, bufferlist>& attrs, bool& need_decompress, RGWCompressionInfo& cs_info) { | |
13683 | map<string, bufferlist>::iterator value = attrs.find(RGW_ATTR_COMPRESSION); | |
13684 | if (value != attrs.end()) { | |
13685 | bufferlist::iterator bliter = value->second.begin(); | |
13686 | try { | |
13687 | ::decode(cs_info, bliter); | |
13688 | } catch (buffer::error& err) { | |
13689 | return -EIO; | |
13690 | } | |
13691 | if (cs_info.blocks.size() == 0) { | |
13692 | return -EIO; | |
13693 | } | |
13694 | if (cs_info.compression_type != "none") | |
13695 | need_decompress = true; | |
13696 | else | |
13697 | need_decompress = false; | |
13698 | return 0; | |
13699 | } else { | |
13700 | need_decompress = false; | |
13701 | return 0; | |
13702 | } | |
13703 | } | |
13704 |