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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
31f18b77 | 4 | #include "include/compat.h" |
7c673cae FG |
5 | #include <errno.h> |
6 | #include <stdlib.h> | |
7 | #include <sys/types.h> | |
8 | #include <boost/algorithm/string.hpp> | |
9 | ||
10 | #include <boost/format.hpp> | |
11 | #include <boost/optional.hpp> | |
12 | #include <boost/utility/in_place_factory.hpp> | |
13 | ||
14 | #include "common/ceph_json.h" | |
15 | #include "common/utf8.h" | |
16 | ||
17 | #include "common/errno.h" | |
18 | #include "common/Formatter.h" | |
19 | #include "common/Throttle.h" | |
20 | #include "common/Finisher.h" | |
21 | ||
22 | #include "rgw_rados.h" | |
23 | #include "rgw_cache.h" | |
24 | #include "rgw_acl.h" | |
25 | #include "rgw_acl_s3.h" /* for dumping s3policy in debug log */ | |
26 | #include "rgw_metadata.h" | |
27 | #include "rgw_bucket.h" | |
28 | #include "rgw_rest_conn.h" | |
29 | #include "rgw_cr_rados.h" | |
30 | #include "rgw_cr_rest.h" | |
31 | ||
32 | #include "cls/rgw/cls_rgw_ops.h" | |
33 | #include "cls/rgw/cls_rgw_types.h" | |
34 | #include "cls/rgw/cls_rgw_client.h" | |
35 | #include "cls/rgw/cls_rgw_const.h" | |
36 | #include "cls/refcount/cls_refcount_client.h" | |
37 | #include "cls/version/cls_version_client.h" | |
38 | #include "cls/log/cls_log_client.h" | |
39 | #include "cls/statelog/cls_statelog_client.h" | |
40 | #include "cls/timeindex/cls_timeindex_client.h" | |
41 | #include "cls/lock/cls_lock_client.h" | |
42 | #include "cls/user/cls_user_client.h" | |
43 | ||
44 | #include "rgw_tools.h" | |
45 | #include "rgw_coroutine.h" | |
46 | #include "rgw_compression.h" | |
47 | ||
7c673cae FG |
48 | #undef fork // fails to compile RGWPeriod::fork() below |
49 | ||
50 | #include "common/Clock.h" | |
51 | ||
52 | #include "include/rados/librados.hpp" | |
53 | using namespace librados; | |
54 | ||
55 | #include <string> | |
56 | #include <iostream> | |
57 | #include <vector> | |
58 | #include <atomic> | |
59 | #include <list> | |
60 | #include <map> | |
61 | #include "auth/Crypto.h" // get_random_bytes() | |
62 | ||
63 | #include "rgw_log.h" | |
64 | ||
65 | #include "rgw_gc.h" | |
66 | #include "rgw_lc.h" | |
67 | ||
68 | #include "rgw_object_expirer_core.h" | |
69 | #include "rgw_sync.h" | |
70 | #include "rgw_data_sync.h" | |
71 | #include "rgw_realm_watcher.h" | |
31f18b77 | 72 | #include "rgw_reshard.h" |
7c673cae FG |
73 | |
74 | #include "compressor/Compressor.h" | |
75 | ||
7c673cae FG |
76 | #define dout_context g_ceph_context |
77 | #define dout_subsys ceph_subsys_rgw | |
78 | ||
79 | using namespace std; | |
80 | ||
81 | static string notify_oid_prefix = "notify"; | |
82 | static string *notify_oids = NULL; | |
83 | static string shadow_ns = "shadow"; | |
84 | static string dir_oid_prefix = ".dir."; | |
85 | static string default_storage_pool_suffix = "rgw.buckets.data"; | |
86 | static string default_bucket_index_pool_suffix = "rgw.buckets.index"; | |
87 | static string default_storage_extra_pool_suffix = "rgw.buckets.non-ec"; | |
88 | static string avail_pools = ".pools.avail"; | |
89 | ||
90 | static string zone_info_oid_prefix = "zone_info."; | |
91 | static string zone_names_oid_prefix = "zone_names."; | |
92 | static string region_info_oid_prefix = "region_info."; | |
93 | static string zone_group_info_oid_prefix = "zonegroup_info."; | |
94 | static string realm_names_oid_prefix = "realms_names."; | |
95 | static string realm_info_oid_prefix = "realms."; | |
96 | static string default_region_info_oid = "default.region"; | |
97 | static string default_zone_group_info_oid = "default.zonegroup"; | |
98 | static string period_info_oid_prefix = "periods."; | |
99 | static string period_latest_epoch_info_oid = ".latest_epoch"; | |
100 | static string region_map_oid = "region_map"; | |
101 | static string zonegroup_map_oid = "zonegroup_map"; | |
102 | static string log_lock_name = "rgw_log_lock"; | |
103 | static string default_realm_info_oid = "default.realm"; | |
104 | const string default_zonegroup_name = "default"; | |
105 | const string default_zone_name = "default"; | |
106 | static string zonegroup_names_oid_prefix = "zonegroups_names."; | |
107 | static RGWObjCategory main_category = RGW_OBJ_CATEGORY_MAIN; | |
108 | #define RGW_USAGE_OBJ_PREFIX "usage." | |
109 | #define FIRST_EPOCH 1 | |
110 | static string RGW_DEFAULT_ZONE_ROOT_POOL = "rgw.root"; | |
111 | static string RGW_DEFAULT_ZONEGROUP_ROOT_POOL = "rgw.root"; | |
112 | static string RGW_DEFAULT_REALM_ROOT_POOL = "rgw.root"; | |
113 | static string RGW_DEFAULT_PERIOD_ROOT_POOL = "rgw.root"; | |
114 | ||
115 | #define RGW_STATELOG_OBJ_PREFIX "statelog." | |
116 | ||
117 | #define dout_subsys ceph_subsys_rgw | |
118 | ||
119 | ||
120 | static bool rgw_get_obj_data_pool(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
121 | const string& placement_id, const rgw_obj& obj, rgw_pool *pool) | |
122 | { | |
123 | if (!zone_params.get_head_data_pool(placement_id, obj, pool)) { | |
124 | RGWZonePlacementInfo placement; | |
125 | if (!zone_params.get_placement(zonegroup.default_placement, &placement)) { | |
126 | return false; | |
127 | } | |
128 | ||
129 | if (!obj.in_extra_data) { | |
130 | *pool = placement.data_pool; | |
131 | } else { | |
31f18b77 | 132 | *pool = placement.get_data_extra_pool(); |
7c673cae FG |
133 | } |
134 | } | |
135 | ||
136 | return true; | |
137 | } | |
138 | ||
139 | static bool rgw_obj_to_raw(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
140 | const string& placement_id, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
141 | { | |
142 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
143 | ||
144 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_id, obj, &raw_obj->pool); | |
145 | } | |
146 | ||
147 | rgw_raw_obj rgw_obj_select::get_raw_obj(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) const | |
148 | { | |
149 | if (!is_raw) { | |
150 | rgw_raw_obj r; | |
151 | rgw_obj_to_raw(zonegroup, zone_params, placement_rule, obj, &r); | |
152 | return r; | |
153 | } | |
154 | return raw_obj; | |
155 | } | |
156 | ||
157 | rgw_raw_obj rgw_obj_select::get_raw_obj(RGWRados *store) const | |
158 | { | |
159 | if (!is_raw) { | |
160 | rgw_raw_obj r; | |
161 | store->obj_to_raw(placement_rule, obj, &r); | |
162 | return r; | |
163 | } | |
164 | return raw_obj; | |
165 | } | |
166 | ||
167 | int rgw_init_ioctx(librados::Rados *rados, const rgw_pool& pool, IoCtx& ioctx, bool create) | |
168 | { | |
169 | int r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
170 | if (r == -ENOENT && create) { | |
171 | r = rados->pool_create(pool.name.c_str()); | |
172 | if (r < 0 && r != -EEXIST) { | |
173 | return r; | |
174 | } | |
175 | ||
176 | r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
177 | } | |
178 | if (r < 0) { | |
179 | return r; | |
180 | } | |
181 | if (!pool.ns.empty()) { | |
182 | ioctx.set_namespace(pool.ns); | |
183 | } | |
184 | return 0; | |
185 | } | |
186 | ||
187 | template<> | |
188 | void RGWObjectCtxImpl<rgw_obj, RGWObjState>::invalidate(rgw_obj& obj) { | |
189 | RWLock::WLocker wl(lock); | |
190 | auto iter = objs_state.find(obj); | |
191 | if (iter == objs_state.end()) { | |
192 | return; | |
193 | } | |
194 | bool is_atomic = iter->second.is_atomic; | |
195 | bool prefetch_data = iter->second.prefetch_data; | |
196 | ||
197 | objs_state.erase(iter); | |
198 | ||
199 | if (is_atomic || prefetch_data) { | |
200 | auto& s = objs_state[obj]; | |
201 | s.is_atomic = is_atomic; | |
202 | s.prefetch_data = prefetch_data; | |
203 | } | |
204 | } | |
205 | ||
206 | template<> | |
207 | void RGWObjectCtxImpl<rgw_raw_obj, RGWRawObjState>::invalidate(rgw_raw_obj& obj) { | |
208 | RWLock::WLocker wl(lock); | |
209 | auto iter = objs_state.find(obj); | |
210 | if (iter == objs_state.end()) { | |
211 | return; | |
212 | } | |
213 | ||
214 | objs_state.erase(iter); | |
215 | } | |
216 | ||
217 | void RGWDefaultZoneGroupInfo::dump(Formatter *f) const { | |
218 | encode_json("default_zonegroup", default_zonegroup, f); | |
219 | } | |
220 | ||
221 | void RGWDefaultZoneGroupInfo::decode_json(JSONObj *obj) { | |
222 | ||
223 | JSONDecoder::decode_json("default_zonegroup", default_zonegroup, obj); | |
224 | /* backward compatability with region */ | |
225 | if (default_zonegroup.empty()) { | |
226 | JSONDecoder::decode_json("default_region", default_zonegroup, obj); | |
227 | } | |
228 | } | |
229 | ||
230 | rgw_pool RGWZoneGroup::get_pool(CephContext *cct_) | |
231 | { | |
232 | if (cct_->_conf->rgw_zonegroup_root_pool.empty()) { | |
233 | return rgw_pool(RGW_DEFAULT_ZONEGROUP_ROOT_POOL); | |
234 | } | |
235 | ||
236 | return rgw_pool(cct_->_conf->rgw_zonegroup_root_pool); | |
237 | } | |
238 | ||
239 | int RGWZoneGroup::create_default(bool old_format) | |
240 | { | |
241 | name = default_zonegroup_name; | |
242 | is_master = true; | |
243 | ||
244 | RGWZoneGroupPlacementTarget placement_target; | |
245 | placement_target.name = "default-placement"; | |
246 | placement_targets[placement_target.name] = placement_target; | |
247 | default_placement = "default-placement"; | |
248 | ||
249 | RGWZoneParams zone_params(default_zone_name); | |
250 | ||
251 | int r = zone_params.init(cct, store, false); | |
252 | if (r < 0) { | |
253 | ldout(cct, 0) << "create_default: error initializing zone params: " << cpp_strerror(-r) << dendl; | |
254 | return r; | |
255 | } | |
256 | ||
257 | r = zone_params.create_default(); | |
258 | if (r < 0 && r != -EEXIST) { | |
259 | ldout(cct, 0) << "create_default: error in create_default zone params: " << cpp_strerror(-r) << dendl; | |
260 | return r; | |
261 | } else if (r == -EEXIST) { | |
262 | ldout(cct, 10) << "zone_params::create_default() returned -EEXIST, we raced with another default zone_params creation" << dendl; | |
263 | zone_params.clear_id(); | |
264 | r = zone_params.init(cct, store); | |
265 | if (r < 0) { | |
266 | ldout(cct, 0) << "create_default: error in init existing zone params: " << cpp_strerror(-r) << dendl; | |
267 | return r; | |
268 | } | |
269 | ldout(cct, 20) << "zone_params::create_default() " << zone_params.get_name() << " id " << zone_params.get_id() | |
270 | << dendl; | |
271 | } | |
272 | ||
273 | RGWZone& default_zone = zones[zone_params.get_id()]; | |
274 | default_zone.name = zone_params.get_name(); | |
275 | default_zone.id = zone_params.get_id(); | |
276 | master_zone = default_zone.id; | |
277 | ||
278 | r = create(); | |
279 | if (r < 0 && r != -EEXIST) { | |
280 | ldout(cct, 0) << "error storing zone group info: " << cpp_strerror(-r) << dendl; | |
281 | return r; | |
282 | } | |
283 | ||
284 | if (r == -EEXIST) { | |
285 | ldout(cct, 10) << "create_default() returned -EEXIST, we raced with another zonegroup creation" << dendl; | |
286 | id.clear(); | |
287 | r = init(cct, store); | |
288 | if (r < 0) { | |
289 | return r; | |
290 | } | |
291 | } | |
292 | ||
293 | if (old_format) { | |
294 | name = id; | |
295 | } | |
296 | ||
297 | post_process_params(); | |
298 | ||
299 | return 0; | |
300 | } | |
301 | ||
302 | const string RGWZoneGroup::get_default_oid(bool old_region_format) | |
303 | { | |
304 | if (old_region_format) { | |
305 | if (cct->_conf->rgw_default_region_info_oid.empty()) { | |
306 | return default_region_info_oid; | |
307 | } | |
308 | return cct->_conf->rgw_default_region_info_oid; | |
309 | } | |
310 | ||
311 | string default_oid = cct->_conf->rgw_default_zonegroup_info_oid; | |
312 | ||
313 | if (cct->_conf->rgw_default_zonegroup_info_oid.empty()) { | |
314 | default_oid = default_zone_group_info_oid; | |
315 | } | |
316 | ||
317 | default_oid += "." + realm_id; | |
318 | ||
319 | return default_oid; | |
320 | } | |
321 | ||
322 | const string& RGWZoneGroup::get_info_oid_prefix(bool old_region_format) | |
323 | { | |
324 | if (old_region_format) { | |
325 | return region_info_oid_prefix; | |
326 | } | |
327 | return zone_group_info_oid_prefix; | |
328 | } | |
329 | ||
330 | const string& RGWZoneGroup::get_names_oid_prefix() | |
331 | { | |
332 | return zonegroup_names_oid_prefix; | |
333 | } | |
334 | ||
335 | const string& RGWZoneGroup::get_predefined_name(CephContext *cct) { | |
336 | return cct->_conf->rgw_zonegroup; | |
337 | } | |
338 | ||
339 | int RGWZoneGroup::equals(const string& other_zonegroup) const | |
340 | { | |
341 | if (is_master && other_zonegroup.empty()) | |
342 | return true; | |
343 | ||
344 | return (id == other_zonegroup); | |
345 | } | |
346 | ||
347 | int RGWZoneGroup::add_zone(const RGWZoneParams& zone_params, bool *is_master, bool *read_only, | |
348 | const list<string>& endpoints, const string *ptier_type, | |
349 | bool *psync_from_all, list<string>& sync_from, list<string>& sync_from_rm) | |
350 | { | |
351 | auto& zone_id = zone_params.get_id(); | |
352 | auto& zone_name = zone_params.get_name(); | |
353 | ||
354 | // check for duplicate zone name on insert | |
355 | if (!zones.count(zone_id)) { | |
356 | for (const auto& zone : zones) { | |
357 | if (zone.second.name == zone_name) { | |
358 | ldout(cct, 0) << "ERROR: found existing zone name " << zone_name | |
359 | << " (" << zone.first << ") in zonegroup " << get_name() << dendl; | |
360 | return -EEXIST; | |
361 | } | |
362 | } | |
363 | } | |
364 | ||
365 | if (is_master) { | |
366 | if (*is_master) { | |
367 | if (!master_zone.empty() && master_zone != zone_params.get_id()) { | |
368 | ldout(cct, 0) << "NOTICE: overriding master zone: " << master_zone << dendl; | |
369 | } | |
370 | master_zone = zone_params.get_id(); | |
371 | } else if (master_zone == zone_params.get_id()) { | |
372 | master_zone.clear(); | |
373 | } | |
374 | } | |
375 | ||
376 | RGWZone& zone = zones[zone_params.get_id()]; | |
377 | zone.name = zone_params.get_name(); | |
378 | zone.id = zone_params.get_id(); | |
379 | if (!endpoints.empty()) { | |
380 | zone.endpoints = endpoints; | |
381 | } | |
382 | if (read_only) { | |
383 | zone.read_only = *read_only; | |
384 | } | |
385 | if (ptier_type) { | |
386 | zone.tier_type = *ptier_type; | |
387 | } | |
388 | ||
389 | if (psync_from_all) { | |
390 | zone.sync_from_all = *psync_from_all; | |
391 | } | |
392 | ||
393 | for (auto add : sync_from) { | |
394 | zone.sync_from.insert(add); | |
395 | } | |
396 | ||
397 | for (auto rm : sync_from_rm) { | |
398 | zone.sync_from.erase(rm); | |
399 | } | |
400 | ||
401 | post_process_params(); | |
402 | ||
403 | return update(); | |
404 | } | |
405 | ||
406 | ||
407 | int RGWZoneGroup::rename_zone(const RGWZoneParams& zone_params) | |
408 | { | |
409 | RGWZone& zone = zones[zone_params.get_id()]; | |
410 | zone.name = zone_params.get_name(); | |
411 | ||
412 | return update(); | |
413 | } | |
414 | ||
415 | void RGWZoneGroup::post_process_params() | |
416 | { | |
417 | bool log_data = zones.size() > 1; | |
418 | ||
419 | if (master_zone.empty()) { | |
420 | map<string, RGWZone>::iterator iter = zones.begin(); | |
421 | if (iter != zones.end()) { | |
422 | master_zone = iter->first; | |
423 | } | |
424 | } | |
425 | ||
426 | for (map<string, RGWZone>::iterator iter = zones.begin(); iter != zones.end(); ++iter) { | |
427 | RGWZone& zone = iter->second; | |
428 | zone.log_data = log_data; | |
429 | zone.log_meta = (is_master && zone.id == master_zone); | |
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 | ||
1091 | bool RGWPeriod::is_single_zonegroup(CephContext *cct, RGWRados *store) | |
1092 | { | |
1093 | return (period_map.zonegroups.size() == 1); | |
1094 | } | |
1095 | ||
1096 | const string& RGWPeriod::get_latest_epoch_oid() | |
1097 | { | |
1098 | if (cct->_conf->rgw_period_latest_epoch_info_oid.empty()) { | |
1099 | return period_latest_epoch_info_oid; | |
1100 | } | |
1101 | return cct->_conf->rgw_period_latest_epoch_info_oid; | |
1102 | } | |
1103 | ||
1104 | const string& RGWPeriod::get_info_oid_prefix() | |
1105 | { | |
1106 | return period_info_oid_prefix; | |
1107 | } | |
1108 | ||
1109 | const string RGWPeriod::get_period_oid_prefix() | |
1110 | { | |
1111 | return get_info_oid_prefix() + id; | |
1112 | } | |
1113 | ||
1114 | const string RGWPeriod::get_period_oid() | |
1115 | { | |
1116 | std::ostringstream oss; | |
1117 | oss << get_period_oid_prefix(); | |
1118 | // skip the epoch for the staging period | |
1119 | if (id != get_staging_id(realm_id)) | |
1120 | oss << "." << epoch; | |
1121 | return oss.str(); | |
1122 | } | |
1123 | ||
1124 | int RGWPeriod::read_latest_epoch(RGWPeriodLatestEpochInfo& info) | |
1125 | { | |
1126 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1127 | ||
1128 | rgw_pool pool(get_pool(cct)); | |
1129 | bufferlist bl; | |
1130 | RGWObjectCtx obj_ctx(store); | |
1131 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
1132 | if (ret < 0) { | |
1133 | ldout(cct, 1) << "error read_lastest_epoch " << pool << ":" << oid << dendl; | |
1134 | return ret; | |
1135 | } | |
1136 | try { | |
1137 | bufferlist::iterator iter = bl.begin(); | |
1138 | ::decode(info, iter); | |
1139 | } catch (buffer::error& err) { | |
1140 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
1141 | return -EIO; | |
1142 | } | |
1143 | ||
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | int RGWPeriod::get_latest_epoch(epoch_t& latest_epoch) | |
1148 | { | |
1149 | RGWPeriodLatestEpochInfo info; | |
1150 | ||
1151 | int ret = read_latest_epoch(info); | |
1152 | if (ret < 0) { | |
1153 | return ret; | |
1154 | } | |
1155 | ||
1156 | latest_epoch = info.epoch; | |
1157 | ||
1158 | return 0; | |
1159 | } | |
1160 | ||
1161 | int RGWPeriod::use_latest_epoch() | |
1162 | { | |
1163 | RGWPeriodLatestEpochInfo info; | |
1164 | int ret = read_latest_epoch(info); | |
1165 | if (ret < 0) { | |
1166 | return ret; | |
1167 | } | |
1168 | ||
1169 | epoch = info.epoch; | |
1170 | ||
1171 | return 0; | |
1172 | } | |
1173 | ||
1174 | int RGWPeriod::set_latest_epoch(epoch_t epoch, bool exclusive) | |
1175 | { | |
1176 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1177 | ||
1178 | rgw_pool pool(get_pool(cct)); | |
1179 | bufferlist bl; | |
1180 | ||
1181 | RGWPeriodLatestEpochInfo info; | |
1182 | info.epoch = epoch; | |
1183 | ||
1184 | ::encode(info, bl); | |
1185 | ||
1186 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
1187 | exclusive, NULL, real_time(), NULL); | |
1188 | } | |
1189 | ||
1190 | int RGWPeriod::delete_obj() | |
1191 | { | |
1192 | rgw_pool pool(get_pool(cct)); | |
1193 | ||
1194 | // delete the object for each period epoch | |
1195 | for (epoch_t e = 1; e <= epoch; e++) { | |
1196 | RGWPeriod p{get_id(), e}; | |
1197 | rgw_raw_obj oid{pool, p.get_period_oid()}; | |
1198 | int ret = store->delete_system_obj(oid); | |
1199 | if (ret < 0) { | |
1200 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1201 | << ": " << cpp_strerror(-ret) << dendl; | |
1202 | } | |
1203 | } | |
1204 | ||
1205 | // delete the .latest_epoch object | |
1206 | rgw_raw_obj oid{pool, get_period_oid_prefix() + get_latest_epoch_oid()}; | |
1207 | int ret = store->delete_system_obj(oid); | |
1208 | if (ret < 0) { | |
1209 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1210 | << ": " << cpp_strerror(-ret) << dendl; | |
1211 | } | |
1212 | return ret; | |
1213 | } | |
1214 | ||
1215 | int RGWPeriod::read_info() | |
1216 | { | |
1217 | rgw_pool pool(get_pool(cct)); | |
1218 | ||
1219 | bufferlist bl; | |
1220 | ||
1221 | RGWObjectCtx obj_ctx(store); | |
1222 | int ret = rgw_get_system_obj(store, obj_ctx, pool, get_period_oid(), bl, NULL, NULL); | |
1223 | if (ret < 0) { | |
1224 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << get_period_oid() << ": " << cpp_strerror(-ret) << dendl; | |
1225 | return ret; | |
1226 | } | |
1227 | ||
1228 | try { | |
1229 | bufferlist::iterator iter = bl.begin(); | |
1230 | ::decode(*this, iter); | |
1231 | } catch (buffer::error& err) { | |
1232 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << get_period_oid() << dendl; | |
1233 | return -EIO; | |
1234 | } | |
1235 | ||
1236 | return 0; | |
1237 | } | |
1238 | ||
1239 | int RGWPeriod::create(bool exclusive) | |
1240 | { | |
1241 | int ret; | |
1242 | ||
1243 | /* create unique id */ | |
1244 | uuid_d new_uuid; | |
1245 | char uuid_str[37]; | |
1246 | new_uuid.generate_random(); | |
1247 | new_uuid.print(uuid_str); | |
1248 | id = uuid_str; | |
1249 | ||
1250 | epoch = FIRST_EPOCH; | |
1251 | ||
1252 | period_map.id = id; | |
1253 | ||
1254 | ret = store_info(exclusive); | |
1255 | if (ret < 0) { | |
1256 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
1257 | } | |
1258 | ||
1259 | ret = set_latest_epoch(epoch); | |
1260 | if (ret < 0) { | |
1261 | ldout(cct, 0) << "ERROR: setting latest epoch " << id << ": " << cpp_strerror(-ret) << dendl; | |
1262 | } | |
1263 | ||
1264 | return ret; | |
1265 | } | |
1266 | ||
1267 | int RGWPeriod::store_info(bool exclusive) | |
1268 | { | |
1269 | epoch_t latest_epoch = FIRST_EPOCH - 1; | |
1270 | int ret = get_latest_epoch(latest_epoch); | |
1271 | if (ret < 0 && ret != -ENOENT) { | |
1272 | ldout(cct, 0) << "ERROR: RGWPeriod::get_latest_epoch() returned " << cpp_strerror(-ret) << dendl; | |
1273 | return ret; | |
1274 | } | |
1275 | ||
1276 | rgw_pool pool(get_pool(cct)); | |
1277 | ||
1278 | string oid = get_period_oid(); | |
1279 | bufferlist bl; | |
1280 | ::encode(*this, bl); | |
1281 | ret = rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
1282 | if (ret < 0) { | |
1283 | ldout(cct, 0) << "ERROR: rgw_put_system_obj(" << pool << ":" << oid << "): " << cpp_strerror(-ret) << dendl; | |
1284 | return ret; | |
1285 | } | |
1286 | if (latest_epoch < epoch) { | |
1287 | ret = set_latest_epoch(epoch); | |
1288 | if (ret < 0) { | |
1289 | ldout(cct, 0) << "ERROR: RGWPeriod::set_latest_epoch() returned " << cpp_strerror(-ret) << dendl; | |
1290 | return ret; | |
1291 | } | |
1292 | } | |
1293 | return 0; | |
1294 | } | |
1295 | ||
1296 | rgw_pool RGWPeriod::get_pool(CephContext *cct) | |
1297 | { | |
1298 | if (cct->_conf->rgw_period_root_pool.empty()) { | |
1299 | return rgw_pool(RGW_DEFAULT_PERIOD_ROOT_POOL); | |
1300 | } | |
1301 | return rgw_pool(cct->_conf->rgw_period_root_pool); | |
1302 | } | |
1303 | ||
1304 | int RGWPeriod::use_next_epoch() | |
1305 | { | |
1306 | epoch_t latest_epoch; | |
1307 | int ret = get_latest_epoch(latest_epoch); | |
1308 | if (ret < 0) { | |
1309 | return ret; | |
1310 | } | |
1311 | epoch = latest_epoch + 1; | |
1312 | ret = read_info(); | |
1313 | if (ret < 0 && ret != -ENOENT) { | |
1314 | return ret; | |
1315 | } | |
1316 | if (ret == -ENOENT) { | |
1317 | ret = create(); | |
1318 | if (ret < 0) { | |
1319 | ldout(cct, 0) << "Error creating new epoch " << epoch << dendl; | |
1320 | return ret; | |
1321 | } | |
1322 | } | |
1323 | return 0; | |
1324 | } | |
1325 | ||
1326 | int RGWPeriod::add_zonegroup(const RGWZoneGroup& zonegroup) | |
1327 | { | |
1328 | if (zonegroup.realm_id != realm_id) { | |
1329 | return 0; | |
1330 | } | |
1331 | int ret = period_map.update(zonegroup, cct); | |
1332 | if (ret < 0) { | |
1333 | ldout(cct, 0) << "ERROR: updating period map: " << cpp_strerror(-ret) << dendl; | |
1334 | return ret; | |
1335 | } | |
1336 | ||
1337 | return store_info(false); | |
1338 | } | |
1339 | ||
1340 | int RGWPeriod::update() | |
1341 | { | |
1342 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << get_id() << dendl; | |
1343 | list<string> zonegroups; | |
1344 | int ret = store->list_zonegroups(zonegroups); | |
1345 | if (ret < 0) { | |
1346 | ldout(cct, 0) << "ERROR: failed to list zonegroups: " << cpp_strerror(-ret) << dendl; | |
1347 | return ret; | |
1348 | } | |
1349 | ||
1350 | // clear zone short ids of removed zones. period_map.update() will add the | |
1351 | // remaining zones back | |
1352 | period_map.short_zone_ids.clear(); | |
1353 | ||
1354 | for (auto& iter : zonegroups) { | |
1355 | RGWZoneGroup zg(string(), iter); | |
1356 | ret = zg.init(cct, store); | |
1357 | if (ret < 0) { | |
1358 | ldout(cct, 0) << "WARNING: zg.init() failed: " << cpp_strerror(-ret) << dendl; | |
1359 | continue; | |
1360 | } | |
1361 | ||
1362 | if (zg.realm_id != realm_id) { | |
1363 | ldout(cct, 20) << "skipping zonegroup " << zg.get_name() << " zone realm id " << zg.realm_id << ", not on our realm " << realm_id << dendl; | |
1364 | continue; | |
1365 | } | |
1366 | ||
1367 | if (zg.master_zone.empty()) { | |
1368 | ldout(cct, 0) << "ERROR: zonegroup " << zg.get_name() << " should have a master zone " << dendl; | |
1369 | return -EINVAL; | |
1370 | } | |
1371 | ||
1372 | if (zg.is_master_zonegroup()) { | |
1373 | master_zonegroup = zg.get_id(); | |
1374 | master_zone = zg.master_zone; | |
1375 | } | |
1376 | ||
1377 | int ret = period_map.update(zg, cct); | |
1378 | if (ret < 0) { | |
1379 | return ret; | |
1380 | } | |
1381 | } | |
1382 | ||
1383 | ret = period_config.read(store, realm_id); | |
1384 | if (ret < 0 && ret != -ENOENT) { | |
1385 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
1386 | << cpp_strerror(ret) << dendl; | |
1387 | return ret; | |
1388 | } | |
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | int RGWPeriod::reflect() | |
1393 | { | |
1394 | for (auto& iter : period_map.zonegroups) { | |
1395 | RGWZoneGroup& zg = iter.second; | |
1396 | zg.reinit_instance(cct, store); | |
1397 | int r = zg.write(false); | |
1398 | if (r < 0) { | |
1399 | ldout(cct, 0) << "ERROR: failed to store zonegroup info for zonegroup=" << iter.first << ": " << cpp_strerror(-r) << dendl; | |
1400 | return r; | |
1401 | } | |
1402 | if (zg.is_master_zonegroup()) { | |
1403 | // set master as default if no default exists | |
1404 | r = zg.set_as_default(true); | |
1405 | if (r == 0) { | |
1406 | ldout(cct, 1) << "Set the period's master zonegroup " << zg.get_id() | |
1407 | << " as the default" << dendl; | |
1408 | } | |
1409 | } | |
1410 | } | |
1411 | ||
1412 | int r = period_config.write(store, realm_id); | |
1413 | if (r < 0) { | |
1414 | ldout(cct, 0) << "ERROR: failed to store period config: " | |
1415 | << cpp_strerror(-r) << dendl; | |
1416 | return r; | |
1417 | } | |
1418 | return 0; | |
1419 | } | |
1420 | ||
1421 | void RGWPeriod::fork() | |
1422 | { | |
1423 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << id << dendl; | |
1424 | predecessor_uuid = id; | |
1425 | id = get_staging_id(realm_id); | |
1426 | period_map.reset(); | |
1427 | realm_epoch++; | |
1428 | } | |
1429 | ||
1430 | static int read_sync_status(RGWRados *store, rgw_meta_sync_status *sync_status) | |
1431 | { | |
1432 | // initialize a sync status manager to read the status | |
1433 | RGWMetaSyncStatusManager mgr(store, store->get_async_rados()); | |
1434 | int r = mgr.init(); | |
1435 | if (r < 0) { | |
1436 | return r; | |
1437 | } | |
1438 | r = mgr.read_sync_status(sync_status); | |
1439 | mgr.stop(); | |
1440 | return r; | |
1441 | } | |
1442 | ||
1443 | int RGWPeriod::update_sync_status(const RGWPeriod ¤t_period, | |
1444 | std::ostream& error_stream, | |
1445 | bool force_if_stale) | |
1446 | { | |
1447 | rgw_meta_sync_status status; | |
1448 | int r = read_sync_status(store, &status); | |
1449 | if (r < 0) { | |
1450 | ldout(cct, 0) << "period failed to read sync status: " | |
1451 | << cpp_strerror(-r) << dendl; | |
1452 | return r; | |
1453 | } | |
1454 | ||
1455 | std::vector<std::string> markers; | |
1456 | ||
1457 | const auto current_epoch = current_period.get_realm_epoch(); | |
1458 | if (current_epoch != status.sync_info.realm_epoch) { | |
1459 | // no sync status markers for the current period | |
1460 | assert(current_epoch > status.sync_info.realm_epoch); | |
1461 | const int behind = current_epoch - status.sync_info.realm_epoch; | |
1462 | if (!force_if_stale && current_epoch > 1) { | |
1463 | error_stream << "ERROR: This zone is " << behind << " period(s) behind " | |
1464 | "the current master zone in metadata sync. If this zone is promoted " | |
1465 | "to master, any metadata changes during that time are likely to " | |
1466 | "be lost.\n" | |
1467 | "Waiting for this zone to catch up on metadata sync (see " | |
1468 | "'radosgw-admin sync status') is recommended.\n" | |
1469 | "To promote this zone to master anyway, add the flag " | |
1470 | "--yes-i-really-mean-it." << std::endl; | |
1471 | return -EINVAL; | |
1472 | } | |
1473 | // empty sync status markers - other zones will skip this period during | |
1474 | // incremental metadata sync | |
1475 | markers.resize(status.sync_info.num_shards); | |
1476 | } else { | |
1477 | markers.reserve(status.sync_info.num_shards); | |
1478 | for (auto& i : status.sync_markers) { | |
1479 | auto& marker = i.second; | |
1480 | // filter out markers from other periods | |
1481 | if (marker.realm_epoch != current_epoch) { | |
1482 | marker.marker.clear(); | |
1483 | } | |
1484 | markers.emplace_back(std::move(marker.marker)); | |
1485 | } | |
1486 | } | |
1487 | ||
1488 | std::swap(sync_status, markers); | |
1489 | return 0; | |
1490 | } | |
1491 | ||
1492 | int RGWPeriod::commit(RGWRealm& realm, const RGWPeriod& current_period, | |
1493 | std::ostream& error_stream, bool force_if_stale) | |
1494 | { | |
1495 | ldout(cct, 20) << __func__ << " realm " << realm.get_id() << " period " << current_period.get_id() << dendl; | |
1496 | // gateway must be in the master zone to commit | |
1497 | if (master_zone != store->get_zone_params().get_id()) { | |
1498 | error_stream << "Cannot commit period on zone " | |
1499 | << store->get_zone_params().get_id() << ", it must be sent to " | |
1500 | "the period's master zone " << master_zone << '.' << std::endl; | |
1501 | return -EINVAL; | |
1502 | } | |
1503 | // period predecessor must match current period | |
1504 | if (predecessor_uuid != current_period.get_id()) { | |
1505 | error_stream << "Period predecessor " << predecessor_uuid | |
1506 | << " does not match current period " << current_period.get_id() | |
1507 | << ". Use 'period pull' to get the latest period from the master, " | |
1508 | "reapply your changes, and try again." << std::endl; | |
1509 | return -EINVAL; | |
1510 | } | |
1511 | // realm epoch must be 1 greater than current period | |
1512 | if (realm_epoch != current_period.get_realm_epoch() + 1) { | |
1513 | error_stream << "Period's realm epoch " << realm_epoch | |
1514 | << " does not come directly after current realm epoch " | |
1515 | << current_period.get_realm_epoch() << ". Use 'realm pull' to get the " | |
1516 | "latest realm and period from the master zone, reapply your changes, " | |
1517 | "and try again." << std::endl; | |
1518 | return -EINVAL; | |
1519 | } | |
1520 | // did the master zone change? | |
1521 | if (master_zone != current_period.get_master_zone()) { | |
1522 | // store the current metadata sync status in the period | |
1523 | int r = update_sync_status(current_period, error_stream, force_if_stale); | |
1524 | if (r < 0) { | |
1525 | ldout(cct, 0) << "failed to update metadata sync status: " | |
1526 | << cpp_strerror(-r) << dendl; | |
1527 | return r; | |
1528 | } | |
1529 | // create an object with a new period id | |
1530 | r = create(true); | |
1531 | if (r < 0) { | |
1532 | ldout(cct, 0) << "failed to create new period: " << cpp_strerror(-r) << dendl; | |
1533 | return r; | |
1534 | } | |
1535 | // set as current period | |
1536 | r = realm.set_current_period(*this); | |
1537 | if (r < 0) { | |
1538 | ldout(cct, 0) << "failed to update realm's current period: " | |
1539 | << cpp_strerror(-r) << dendl; | |
1540 | return r; | |
1541 | } | |
1542 | ldout(cct, 4) << "Promoted to master zone and committed new period " | |
1543 | << id << dendl; | |
1544 | realm.notify_new_period(*this); | |
1545 | return 0; | |
1546 | } | |
1547 | // period must be based on current epoch | |
1548 | if (epoch != current_period.get_epoch()) { | |
1549 | error_stream << "Period epoch " << epoch << " does not match " | |
1550 | "predecessor epoch " << current_period.get_epoch() | |
1551 | << ". Use 'period pull' to get the latest epoch from the master zone, " | |
1552 | "reapply your changes, and try again." << std::endl; | |
1553 | return -EINVAL; | |
1554 | } | |
1555 | // set period as next epoch | |
1556 | set_id(current_period.get_id()); | |
1557 | set_epoch(current_period.get_epoch() + 1); | |
1558 | set_predecessor(current_period.get_predecessor()); | |
1559 | realm_epoch = current_period.get_realm_epoch(); | |
1560 | // write the period to rados | |
1561 | int r = store_info(false); | |
1562 | if (r < 0) { | |
1563 | ldout(cct, 0) << "failed to store period: " << cpp_strerror(-r) << dendl; | |
1564 | return r; | |
1565 | } | |
1566 | // set as latest epoch | |
1567 | r = set_latest_epoch(epoch); | |
1568 | if (r < 0) { | |
1569 | ldout(cct, 0) << "failed to set latest epoch: " << cpp_strerror(-r) << dendl; | |
1570 | return r; | |
1571 | } | |
1572 | r = reflect(); | |
1573 | if (r < 0) { | |
1574 | ldout(cct, 0) << "failed to update local objects: " << cpp_strerror(-r) << dendl; | |
1575 | return r; | |
1576 | } | |
1577 | ldout(cct, 4) << "Committed new epoch " << epoch | |
1578 | << " for period " << id << dendl; | |
1579 | realm.notify_new_period(*this); | |
1580 | return 0; | |
1581 | } | |
1582 | ||
1583 | int RGWZoneParams::create_default(bool old_format) | |
1584 | { | |
1585 | name = default_zone_name; | |
1586 | ||
1587 | int r = create(); | |
1588 | if (r < 0) { | |
1589 | return r; | |
1590 | } | |
1591 | ||
1592 | if (old_format) { | |
1593 | name = id; | |
1594 | } | |
1595 | ||
1596 | return r; | |
1597 | } | |
1598 | ||
1599 | ||
1600 | int get_zones_pool_set(CephContext* cct, | |
1601 | RGWRados* store, | |
1602 | const list<string>& zones, | |
1603 | const string& my_zone_id, | |
1604 | set<rgw_pool>& pool_names) | |
1605 | { | |
1606 | for(auto const& iter : zones) { | |
1607 | RGWZoneParams zone(iter); | |
1608 | int r = zone.init(cct, store); | |
1609 | if (r < 0) { | |
1610 | ldout(cct, 0) << "Error: init zone " << iter << ":" << cpp_strerror(-r) << dendl; | |
1611 | return r; | |
1612 | } | |
1613 | if (zone.get_id() != my_zone_id) { | |
1614 | pool_names.insert(zone.domain_root); | |
1615 | pool_names.insert(zone.metadata_heap); | |
1616 | pool_names.insert(zone.control_pool); | |
1617 | pool_names.insert(zone.gc_pool); | |
1618 | pool_names.insert(zone.log_pool); | |
1619 | pool_names.insert(zone.intent_log_pool); | |
1620 | pool_names.insert(zone.usage_log_pool); | |
1621 | pool_names.insert(zone.user_keys_pool); | |
1622 | pool_names.insert(zone.user_email_pool); | |
1623 | pool_names.insert(zone.user_swift_pool); | |
1624 | pool_names.insert(zone.user_uid_pool); | |
1625 | pool_names.insert(zone.roles_pool); | |
31f18b77 | 1626 | pool_names.insert(zone.reshard_pool); |
7c673cae FG |
1627 | for(auto& iter : zone.placement_pools) { |
1628 | pool_names.insert(iter.second.index_pool); | |
1629 | pool_names.insert(iter.second.data_pool); | |
1630 | pool_names.insert(iter.second.data_extra_pool); | |
1631 | } | |
1632 | } | |
1633 | } | |
1634 | return 0; | |
1635 | } | |
1636 | ||
1637 | rgw_pool fix_zone_pool_dup(set<rgw_pool> pools, | |
1638 | const string& default_prefix, | |
1639 | const string& default_suffix, | |
1640 | const rgw_pool& suggested_pool) | |
1641 | { | |
1642 | string suggested_name = suggested_pool.to_str(); | |
1643 | ||
1644 | string prefix = default_prefix; | |
1645 | string suffix = default_suffix; | |
1646 | ||
1647 | if (!suggested_pool.empty()) { | |
1648 | prefix = suggested_name.substr(0, suggested_name.find(".")); | |
1649 | suffix = suggested_name.substr(prefix.length()); | |
1650 | } | |
1651 | ||
1652 | rgw_pool pool(prefix + suffix); | |
1653 | ||
1654 | if (pools.find(pool) == pools.end()) { | |
1655 | return pool; | |
1656 | } else { | |
1657 | while(true) { | |
1658 | pool = prefix + "_" + std::to_string(std::rand()) + suffix; | |
1659 | if (pools.find(pool) == pools.end()) { | |
1660 | return pool; | |
1661 | } | |
1662 | } | |
1663 | } | |
1664 | } | |
1665 | ||
1666 | int RGWZoneParams::fix_pool_names() | |
1667 | { | |
1668 | ||
1669 | list<string> zones; | |
1670 | int r = store->list_zones(zones); | |
1671 | if (r < 0) { | |
1672 | ldout(cct, 10) << "WARNING: store->list_zones() returned r=" << r << dendl; | |
1673 | } | |
1674 | ||
1675 | set<rgw_pool> pools; | |
1676 | r = get_zones_pool_set(cct, store, zones, id, pools); | |
1677 | if (r < 0) { | |
1678 | ldout(cct, 0) << "Error: get_zones_pool_names" << r << dendl; | |
1679 | return r; | |
1680 | } | |
1681 | ||
1682 | domain_root = fix_zone_pool_dup(pools, name, ".rgw.meta:root", domain_root); | |
1683 | if (!metadata_heap.name.empty()) { | |
1684 | metadata_heap = fix_zone_pool_dup(pools, name, ".rgw.meta:heap", metadata_heap); | |
1685 | } | |
1686 | control_pool = fix_zone_pool_dup(pools, name, ".rgw.control", control_pool); | |
1687 | gc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:gc", gc_pool); | |
1688 | lc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:lc", lc_pool); | |
1689 | log_pool = fix_zone_pool_dup(pools, name, ".rgw.log", log_pool); | |
1690 | intent_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:intent", intent_log_pool); | |
1691 | usage_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:usage", usage_log_pool); | |
1692 | user_keys_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.keys", user_keys_pool); | |
1693 | user_email_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.email", user_email_pool); | |
1694 | user_swift_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.swift", user_swift_pool); | |
1695 | user_uid_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.uid", user_uid_pool); | |
1696 | roles_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:roles", roles_pool); | |
31f18b77 | 1697 | reshard_pool = fix_zone_pool_dup(pools, name, ".rgw.log:reshard", reshard_pool); |
7c673cae FG |
1698 | |
1699 | for(auto& iter : placement_pools) { | |
1700 | iter.second.index_pool = fix_zone_pool_dup(pools, name, "." + default_bucket_index_pool_suffix, | |
1701 | iter.second.index_pool); | |
1702 | iter.second.data_pool = fix_zone_pool_dup(pools, name, "." + default_storage_pool_suffix, | |
1703 | iter.second.data_pool); | |
1704 | iter.second.data_extra_pool= fix_zone_pool_dup(pools, name, "." + default_storage_extra_pool_suffix, | |
1705 | iter.second.data_extra_pool); | |
1706 | } | |
1707 | ||
1708 | return 0; | |
1709 | } | |
1710 | ||
1711 | int RGWZoneParams::create(bool exclusive) | |
1712 | { | |
1713 | /* check for old pools config */ | |
1714 | rgw_raw_obj obj(domain_root, avail_pools); | |
1715 | int r = store->raw_obj_stat(obj, NULL, NULL, NULL, NULL, NULL, NULL); | |
1716 | if (r < 0) { | |
1717 | ldout(store->ctx(), 10) << "couldn't find old data placement pools config, setting up new ones for the zone" << dendl; | |
1718 | /* a new system, let's set new placement info */ | |
1719 | RGWZonePlacementInfo default_placement; | |
1720 | default_placement.index_pool = name + "." + default_bucket_index_pool_suffix; | |
1721 | default_placement.data_pool = name + "." + default_storage_pool_suffix; | |
1722 | default_placement.data_extra_pool = name + "." + default_storage_extra_pool_suffix; | |
1723 | placement_pools["default-placement"] = default_placement; | |
1724 | } | |
1725 | ||
1726 | r = fix_pool_names(); | |
1727 | if (r < 0) { | |
1728 | ldout(cct, 0) << "ERROR: fix_pool_names returned r=" << r << dendl; | |
1729 | return r; | |
1730 | } | |
1731 | ||
1732 | r = RGWSystemMetaObj::create(exclusive); | |
1733 | if (r < 0) { | |
1734 | return r; | |
1735 | } | |
1736 | ||
1737 | // try to set as default. may race with another create, so pass exclusive=true | |
1738 | // so we don't override an existing default | |
1739 | r = set_as_default(true); | |
1740 | if (r < 0 && r != -EEXIST) { | |
1741 | ldout(cct, 10) << "WARNING: failed to set zone as default, r=" << r << dendl; | |
1742 | } | |
1743 | ||
1744 | return 0; | |
1745 | } | |
1746 | ||
1747 | rgw_pool RGWZoneParams::get_pool(CephContext *cct) | |
1748 | { | |
1749 | if (cct->_conf->rgw_zone_root_pool.empty()) { | |
1750 | return rgw_pool(RGW_DEFAULT_ZONE_ROOT_POOL); | |
1751 | } | |
1752 | ||
1753 | return rgw_pool(cct->_conf->rgw_zone_root_pool); | |
1754 | } | |
1755 | ||
1756 | const string RGWZoneParams::get_default_oid(bool old_format) | |
1757 | { | |
1758 | if (old_format) { | |
1759 | return cct->_conf->rgw_default_zone_info_oid; | |
1760 | } | |
1761 | ||
1762 | return cct->_conf->rgw_default_zone_info_oid + "." + realm_id; | |
1763 | } | |
1764 | ||
1765 | const string& RGWZoneParams::get_names_oid_prefix() | |
1766 | { | |
1767 | return zone_names_oid_prefix; | |
1768 | } | |
1769 | ||
1770 | const string& RGWZoneParams::get_info_oid_prefix(bool old_format) | |
1771 | { | |
1772 | return zone_info_oid_prefix; | |
1773 | } | |
1774 | ||
1775 | const string& RGWZoneParams::get_predefined_name(CephContext *cct) { | |
1776 | return cct->_conf->rgw_zone; | |
1777 | } | |
1778 | ||
1779 | int RGWZoneParams::init(CephContext *cct, RGWRados *store, bool setup_obj, bool old_format) | |
1780 | { | |
1781 | if (name.empty()) { | |
1782 | name = cct->_conf->rgw_zone; | |
1783 | } | |
1784 | ||
1785 | return RGWSystemMetaObj::init(cct, store, setup_obj, old_format); | |
1786 | } | |
1787 | ||
1788 | int RGWZoneParams::read_default_id(string& default_id, bool old_format) | |
1789 | { | |
1790 | if (realm_id.empty()) { | |
1791 | /* try using default realm */ | |
1792 | RGWRealm realm; | |
1793 | int ret = realm.init(cct, store); | |
1794 | if (ret < 0) { | |
1795 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1796 | return -ENOENT; | |
1797 | } | |
1798 | realm_id = realm.get_id(); | |
1799 | } | |
1800 | ||
1801 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
1802 | } | |
1803 | ||
1804 | ||
1805 | int RGWZoneParams::set_as_default(bool exclusive) | |
1806 | { | |
1807 | if (realm_id.empty()) { | |
1808 | /* try using default realm */ | |
1809 | RGWRealm realm; | |
1810 | int ret = realm.init(cct, store); | |
1811 | if (ret < 0) { | |
1812 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1813 | return -EINVAL; | |
1814 | } | |
1815 | realm_id = realm.get_id(); | |
1816 | } | |
1817 | ||
1818 | return RGWSystemMetaObj::set_as_default(exclusive); | |
1819 | } | |
1820 | ||
1821 | const string& RGWZoneParams::get_compression_type(const string& placement_rule) const | |
1822 | { | |
1823 | static const std::string NONE{"none"}; | |
1824 | auto p = placement_pools.find(placement_rule); | |
1825 | if (p == placement_pools.end()) { | |
1826 | return NONE; | |
1827 | } | |
1828 | const auto& type = p->second.compression_type; | |
1829 | return !type.empty() ? type : NONE; | |
1830 | } | |
1831 | ||
1832 | void RGWPeriodMap::encode(bufferlist& bl) const { | |
1833 | ENCODE_START(2, 1, bl); | |
1834 | ::encode(id, bl); | |
1835 | ::encode(zonegroups, bl); | |
1836 | ::encode(master_zonegroup, bl); | |
1837 | ::encode(short_zone_ids, bl); | |
1838 | ENCODE_FINISH(bl); | |
1839 | } | |
1840 | ||
1841 | void RGWPeriodMap::decode(bufferlist::iterator& bl) { | |
1842 | DECODE_START(2, bl); | |
1843 | ::decode(id, bl); | |
1844 | ::decode(zonegroups, bl); | |
1845 | ::decode(master_zonegroup, bl); | |
1846 | if (struct_v >= 2) { | |
1847 | ::decode(short_zone_ids, bl); | |
1848 | } | |
1849 | DECODE_FINISH(bl); | |
1850 | ||
1851 | zonegroups_by_api.clear(); | |
1852 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1853 | iter != zonegroups.end(); ++iter) { | |
1854 | RGWZoneGroup& zonegroup = iter->second; | |
1855 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
31f18b77 | 1856 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
1857 | master_zonegroup = zonegroup.get_id(); |
1858 | } | |
1859 | } | |
1860 | } | |
1861 | ||
1862 | // run an MD5 hash on the zone_id and return the first 32 bits | |
1863 | static uint32_t gen_short_zone_id(const std::string zone_id) | |
1864 | { | |
1865 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
1866 | MD5 hash; | |
1867 | hash.Update((const byte *)zone_id.c_str(), zone_id.size()); | |
1868 | hash.Final(md5); | |
1869 | ||
1870 | uint32_t short_id; | |
1871 | memcpy((char *)&short_id, md5, sizeof(short_id)); | |
1872 | return std::max(short_id, 1u); | |
1873 | } | |
1874 | ||
1875 | int RGWPeriodMap::update(const RGWZoneGroup& zonegroup, CephContext *cct) | |
1876 | { | |
31f18b77 | 1877 | if (zonegroup.is_master_zonegroup() && (!master_zonegroup.empty() && zonegroup.get_id() != master_zonegroup)) { |
7c673cae FG |
1878 | ldout(cct,0) << "Error updating periodmap, multiple master zonegroups configured "<< dendl; |
1879 | ldout(cct,0) << "master zonegroup: " << master_zonegroup << " and " << zonegroup.get_id() <<dendl; | |
1880 | return -EINVAL; | |
1881 | } | |
1882 | map<string, RGWZoneGroup>::iterator iter = zonegroups.find(zonegroup.get_id()); | |
1883 | if (iter != zonegroups.end()) { | |
1884 | RGWZoneGroup& old_zonegroup = iter->second; | |
1885 | if (!old_zonegroup.api_name.empty()) { | |
1886 | zonegroups_by_api.erase(old_zonegroup.api_name); | |
1887 | } | |
1888 | } | |
1889 | zonegroups[zonegroup.get_id()] = zonegroup; | |
1890 | ||
1891 | if (!zonegroup.api_name.empty()) { | |
1892 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1893 | } | |
1894 | ||
31f18b77 | 1895 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
1896 | master_zonegroup = zonegroup.get_id(); |
1897 | } else if (master_zonegroup == zonegroup.get_id()) { | |
1898 | master_zonegroup = ""; | |
1899 | } | |
1900 | ||
1901 | for (auto& i : zonegroup.zones) { | |
1902 | auto& zone = i.second; | |
1903 | if (short_zone_ids.find(zone.id) != short_zone_ids.end()) { | |
1904 | continue; | |
1905 | } | |
1906 | // calculate the zone's short id | |
1907 | uint32_t short_id = gen_short_zone_id(zone.id); | |
1908 | ||
1909 | // search for an existing zone with the same short id | |
1910 | for (auto& s : short_zone_ids) { | |
1911 | if (s.second == short_id) { | |
1912 | ldout(cct, 0) << "New zone '" << zone.name << "' (" << zone.id | |
1913 | << ") generates the same short_zone_id " << short_id | |
1914 | << " as existing zone id " << s.first << dendl; | |
1915 | return -EEXIST; | |
1916 | } | |
1917 | } | |
1918 | ||
1919 | short_zone_ids[zone.id] = short_id; | |
1920 | } | |
1921 | ||
1922 | return 0; | |
1923 | } | |
1924 | ||
1925 | uint32_t RGWPeriodMap::get_zone_short_id(const string& zone_id) const | |
1926 | { | |
1927 | auto i = short_zone_ids.find(zone_id); | |
1928 | if (i == short_zone_ids.end()) { | |
1929 | return 0; | |
1930 | } | |
1931 | return i->second; | |
1932 | } | |
1933 | ||
1934 | int RGWZoneGroupMap::read(CephContext *cct, RGWRados *store) | |
1935 | { | |
1936 | ||
1937 | RGWPeriod period; | |
1938 | int ret = period.init(cct, store); | |
1939 | if (ret < 0) { | |
1940 | cerr << "failed to read current period info: " << cpp_strerror(ret); | |
1941 | return ret; | |
1942 | } | |
1943 | ||
1944 | bucket_quota = period.get_config().bucket_quota; | |
1945 | user_quota = period.get_config().user_quota; | |
1946 | zonegroups = period.get_map().zonegroups; | |
1947 | zonegroups_by_api = period.get_map().zonegroups_by_api; | |
1948 | master_zonegroup = period.get_map().master_zonegroup; | |
1949 | ||
1950 | return 0; | |
1951 | } | |
1952 | ||
1953 | void RGWRegionMap::encode(bufferlist& bl) const { | |
1954 | ENCODE_START( 3, 1, bl); | |
1955 | ::encode(regions, bl); | |
1956 | ::encode(master_region, bl); | |
1957 | ::encode(bucket_quota, bl); | |
1958 | ::encode(user_quota, bl); | |
1959 | ENCODE_FINISH(bl); | |
1960 | } | |
1961 | ||
1962 | void RGWRegionMap::decode(bufferlist::iterator& bl) { | |
1963 | DECODE_START(3, bl); | |
1964 | ::decode(regions, bl); | |
1965 | ::decode(master_region, bl); | |
1966 | if (struct_v >= 2) | |
1967 | ::decode(bucket_quota, bl); | |
1968 | if (struct_v >= 3) | |
1969 | ::decode(user_quota, bl); | |
1970 | DECODE_FINISH(bl); | |
1971 | } | |
1972 | ||
1973 | void RGWZoneGroupMap::encode(bufferlist& bl) const { | |
1974 | ENCODE_START( 3, 1, bl); | |
1975 | ::encode(zonegroups, bl); | |
1976 | ::encode(master_zonegroup, bl); | |
1977 | ::encode(bucket_quota, bl); | |
1978 | ::encode(user_quota, bl); | |
1979 | ENCODE_FINISH(bl); | |
1980 | } | |
1981 | ||
1982 | void RGWZoneGroupMap::decode(bufferlist::iterator& bl) { | |
1983 | DECODE_START(3, bl); | |
1984 | ::decode(zonegroups, bl); | |
1985 | ::decode(master_zonegroup, bl); | |
1986 | if (struct_v >= 2) | |
1987 | ::decode(bucket_quota, bl); | |
1988 | if (struct_v >= 3) | |
1989 | ::decode(user_quota, bl); | |
1990 | DECODE_FINISH(bl); | |
1991 | ||
1992 | zonegroups_by_api.clear(); | |
1993 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1994 | iter != zonegroups.end(); ++iter) { | |
1995 | RGWZoneGroup& zonegroup = iter->second; | |
1996 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
31f18b77 | 1997 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
1998 | master_zonegroup = zonegroup.get_name(); |
1999 | } | |
2000 | } | |
2001 | } | |
2002 | ||
2003 | void RGWObjVersionTracker::prepare_op_for_read(ObjectReadOperation *op) | |
2004 | { | |
2005 | obj_version *check_objv = version_for_check(); | |
2006 | ||
2007 | if (check_objv) { | |
2008 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2009 | } | |
2010 | ||
2011 | cls_version_read(*op, &read_version); | |
2012 | } | |
2013 | ||
2014 | void RGWObjVersionTracker::prepare_op_for_write(ObjectWriteOperation *op) | |
2015 | { | |
2016 | obj_version *check_objv = version_for_check(); | |
2017 | obj_version *modify_version = version_for_write(); | |
2018 | ||
2019 | if (check_objv) { | |
2020 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2021 | } | |
2022 | ||
2023 | if (modify_version) { | |
2024 | cls_version_set(*op, *modify_version); | |
2025 | } else { | |
2026 | cls_version_inc(*op); | |
2027 | } | |
2028 | } | |
2029 | ||
2030 | void RGWObjManifest::obj_iterator::operator++() | |
2031 | { | |
2032 | if (manifest->explicit_objs) { | |
2033 | ++explicit_iter; | |
2034 | ||
2035 | if (explicit_iter == manifest->objs.end()) { | |
2036 | ofs = manifest->obj_size; | |
2037 | return; | |
2038 | } | |
2039 | ||
2040 | update_explicit_pos(); | |
2041 | ||
2042 | update_location(); | |
2043 | return; | |
2044 | } | |
2045 | ||
2046 | uint64_t obj_size = manifest->get_obj_size(); | |
2047 | uint64_t head_size = manifest->get_head_size(); | |
2048 | ||
2049 | if (ofs == obj_size) { | |
2050 | return; | |
2051 | } | |
2052 | ||
2053 | if (manifest->rules.empty()) { | |
2054 | return; | |
2055 | } | |
2056 | ||
2057 | /* are we still pointing at the head? */ | |
2058 | if (ofs < head_size) { | |
2059 | rule_iter = manifest->rules.begin(); | |
2060 | RGWObjManifestRule *rule = &rule_iter->second; | |
2061 | ofs = MIN(head_size, obj_size); | |
2062 | stripe_ofs = ofs; | |
2063 | cur_stripe = 1; | |
2064 | stripe_size = MIN(obj_size - ofs, rule->stripe_max_size); | |
2065 | if (rule->part_size > 0) { | |
2066 | stripe_size = MIN(stripe_size, rule->part_size); | |
2067 | } | |
2068 | update_location(); | |
2069 | return; | |
2070 | } | |
2071 | ||
2072 | RGWObjManifestRule *rule = &rule_iter->second; | |
2073 | ||
2074 | stripe_ofs += rule->stripe_max_size; | |
2075 | cur_stripe++; | |
2076 | dout(20) << "RGWObjManifest::operator++(): rule->part_size=" << rule->part_size << " rules.size()=" << manifest->rules.size() << dendl; | |
2077 | ||
2078 | if (rule->part_size > 0) { | |
2079 | /* multi part, multi stripes object */ | |
2080 | ||
2081 | dout(20) << "RGWObjManifest::operator++(): stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2082 | ||
2083 | if (stripe_ofs >= part_ofs + rule->part_size) { | |
2084 | /* moved to the next part */ | |
2085 | cur_stripe = 0; | |
2086 | part_ofs += rule->part_size; | |
2087 | stripe_ofs = part_ofs; | |
2088 | ||
2089 | bool last_rule = (next_rule_iter == manifest->rules.end()); | |
2090 | /* move to the next rule? */ | |
2091 | if (!last_rule && stripe_ofs >= next_rule_iter->second.start_ofs) { | |
2092 | rule_iter = next_rule_iter; | |
2093 | last_rule = (next_rule_iter == manifest->rules.end()); | |
2094 | if (!last_rule) { | |
2095 | ++next_rule_iter; | |
2096 | } | |
2097 | cur_part_id = rule_iter->second.start_part_num; | |
2098 | } else { | |
2099 | cur_part_id++; | |
2100 | } | |
2101 | ||
2102 | rule = &rule_iter->second; | |
2103 | } | |
2104 | ||
2105 | stripe_size = MIN(rule->part_size - (stripe_ofs - part_ofs), rule->stripe_max_size); | |
2106 | } | |
2107 | ||
2108 | cur_override_prefix = rule->override_prefix; | |
2109 | ||
2110 | ofs = stripe_ofs; | |
2111 | if (ofs > obj_size) { | |
2112 | ofs = obj_size; | |
2113 | stripe_ofs = ofs; | |
2114 | stripe_size = 0; | |
2115 | } | |
2116 | ||
2117 | dout(20) << "RGWObjManifest::operator++(): result: ofs=" << ofs << " stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2118 | update_location(); | |
2119 | } | |
2120 | ||
2121 | int RGWObjManifest::generator::create_begin(CephContext *cct, RGWObjManifest *_m, const string& placement_rule, rgw_bucket& _b, rgw_obj& _obj) | |
2122 | { | |
2123 | manifest = _m; | |
2124 | ||
2125 | manifest->set_tail_placement(placement_rule, _b); | |
2126 | manifest->set_head(placement_rule, _obj, 0); | |
2127 | last_ofs = 0; | |
2128 | ||
2129 | if (manifest->get_prefix().empty()) { | |
2130 | char buf[33]; | |
2131 | gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1); | |
2132 | ||
2133 | string oid_prefix = "."; | |
2134 | oid_prefix.append(buf); | |
2135 | oid_prefix.append("_"); | |
2136 | ||
2137 | manifest->set_prefix(oid_prefix); | |
2138 | } | |
2139 | ||
2140 | bool found = manifest->get_rule(0, &rule); | |
2141 | if (!found) { | |
2142 | derr << "ERROR: manifest->get_rule() could not find rule" << dendl; | |
2143 | return -EIO; | |
2144 | } | |
2145 | ||
2146 | uint64_t head_size = manifest->get_head_size(); | |
2147 | ||
2148 | if (head_size > 0) { | |
2149 | cur_stripe_size = head_size; | |
2150 | } else { | |
2151 | cur_stripe_size = rule.stripe_max_size; | |
2152 | } | |
2153 | ||
2154 | cur_part_id = rule.start_part_num; | |
2155 | ||
2156 | manifest->get_implicit_location(cur_part_id, cur_stripe, 0, NULL, &cur_obj); | |
2157 | ||
2158 | // Normal object which not generated through copy operation | |
2159 | manifest->set_tail_instance(_obj.key.instance); | |
2160 | ||
2161 | manifest->update_iterators(); | |
2162 | ||
2163 | return 0; | |
2164 | } | |
2165 | ||
2166 | int RGWObjManifest::generator::create_next(uint64_t ofs) | |
2167 | { | |
2168 | if (ofs < last_ofs) /* only going forward */ | |
2169 | return -EINVAL; | |
2170 | ||
2171 | uint64_t max_head_size = manifest->get_max_head_size(); | |
2172 | ||
2173 | if (ofs < max_head_size) { | |
2174 | manifest->set_head_size(ofs); | |
2175 | } | |
2176 | ||
2177 | if (ofs >= max_head_size) { | |
2178 | manifest->set_head_size(max_head_size); | |
2179 | cur_stripe = (ofs - max_head_size) / rule.stripe_max_size; | |
2180 | cur_stripe_size = rule.stripe_max_size; | |
2181 | ||
2182 | if (cur_part_id == 0 && max_head_size > 0) { | |
2183 | cur_stripe++; | |
2184 | } | |
2185 | } | |
2186 | ||
2187 | last_ofs = ofs; | |
2188 | manifest->set_obj_size(ofs); | |
2189 | ||
2190 | manifest->get_implicit_location(cur_part_id, cur_stripe, ofs, NULL, &cur_obj); | |
2191 | ||
2192 | manifest->update_iterators(); | |
2193 | ||
2194 | return 0; | |
2195 | } | |
2196 | ||
2197 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_begin() | |
2198 | { | |
2199 | return begin_iter; | |
2200 | } | |
2201 | ||
2202 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_end() | |
2203 | { | |
2204 | return end_iter; | |
2205 | } | |
2206 | ||
2207 | RGWObjManifest::obj_iterator RGWObjManifest::obj_find(uint64_t ofs) | |
2208 | { | |
2209 | if (ofs > obj_size) { | |
2210 | ofs = obj_size; | |
2211 | } | |
2212 | RGWObjManifest::obj_iterator iter(this); | |
2213 | iter.seek(ofs); | |
2214 | return iter; | |
2215 | } | |
2216 | ||
2217 | int RGWObjManifest::append(RGWObjManifest& m, RGWZoneGroup& zonegroup, RGWZoneParams& zone_params) | |
2218 | { | |
2219 | if (explicit_objs || m.explicit_objs) { | |
2220 | return append_explicit(m, zonegroup, zone_params); | |
2221 | } | |
2222 | ||
2223 | if (rules.empty()) { | |
2224 | *this = m; | |
2225 | return 0; | |
2226 | } | |
2227 | ||
2228 | string override_prefix; | |
2229 | ||
2230 | if (prefix.empty()) { | |
2231 | prefix = m.prefix; | |
2232 | } | |
2233 | ||
2234 | if (prefix != m.prefix) { | |
2235 | override_prefix = m.prefix; | |
2236 | } | |
2237 | ||
2238 | map<uint64_t, RGWObjManifestRule>::iterator miter = m.rules.begin(); | |
2239 | if (miter == m.rules.end()) { | |
2240 | return append_explicit(m, zonegroup, zone_params); | |
2241 | } | |
2242 | ||
2243 | for (; miter != m.rules.end(); ++miter) { | |
2244 | map<uint64_t, RGWObjManifestRule>::reverse_iterator last_rule = rules.rbegin(); | |
2245 | ||
2246 | RGWObjManifestRule& rule = last_rule->second; | |
2247 | ||
2248 | if (rule.part_size == 0) { | |
2249 | rule.part_size = obj_size - rule.start_ofs; | |
2250 | } | |
2251 | ||
2252 | RGWObjManifestRule& next_rule = miter->second; | |
2253 | if (!next_rule.part_size) { | |
2254 | next_rule.part_size = m.obj_size - next_rule.start_ofs; | |
2255 | } | |
2256 | ||
2257 | string rule_prefix = prefix; | |
2258 | if (!rule.override_prefix.empty()) { | |
2259 | rule_prefix = rule.override_prefix; | |
2260 | } | |
2261 | ||
2262 | string next_rule_prefix = m.prefix; | |
2263 | if (!next_rule.override_prefix.empty()) { | |
2264 | next_rule_prefix = next_rule.override_prefix; | |
2265 | } | |
2266 | ||
2267 | if (rule.part_size != next_rule.part_size || | |
2268 | rule.stripe_max_size != next_rule.stripe_max_size || | |
2269 | rule_prefix != next_rule_prefix) { | |
2270 | if (next_rule_prefix != prefix) { | |
2271 | append_rules(m, miter, &next_rule_prefix); | |
2272 | } else { | |
2273 | append_rules(m, miter, NULL); | |
2274 | } | |
2275 | break; | |
2276 | } | |
2277 | ||
2278 | uint64_t expected_part_num = rule.start_part_num + 1; | |
2279 | if (rule.part_size > 0) { | |
2280 | expected_part_num = rule.start_part_num + (obj_size + next_rule.start_ofs - rule.start_ofs) / rule.part_size; | |
2281 | } | |
2282 | ||
2283 | if (expected_part_num != next_rule.start_part_num) { | |
2284 | append_rules(m, miter, NULL); | |
2285 | break; | |
2286 | } | |
2287 | } | |
2288 | ||
2289 | set_obj_size(obj_size + m.obj_size); | |
2290 | ||
2291 | return 0; | |
2292 | } | |
2293 | ||
2294 | int RGWObjManifest::append(RGWObjManifest& m, RGWRados *store) | |
2295 | { | |
2296 | return append(m, store->get_zonegroup(), store->get_zone_params()); | |
2297 | } | |
2298 | ||
2299 | void RGWObjManifest::append_rules(RGWObjManifest& m, map<uint64_t, RGWObjManifestRule>::iterator& miter, | |
2300 | string *override_prefix) | |
2301 | { | |
2302 | for (; miter != m.rules.end(); ++miter) { | |
2303 | RGWObjManifestRule rule = miter->second; | |
2304 | rule.start_ofs += obj_size; | |
2305 | if (override_prefix) | |
2306 | rule.override_prefix = *override_prefix; | |
2307 | rules[rule.start_ofs] = rule; | |
2308 | } | |
2309 | } | |
2310 | ||
2311 | void RGWObjManifest::convert_to_explicit(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2312 | { | |
2313 | if (explicit_objs) { | |
2314 | return; | |
2315 | } | |
2316 | obj_iterator iter = obj_begin(); | |
2317 | ||
2318 | while (iter != obj_end()) { | |
2319 | RGWObjManifestPart& part = objs[iter.get_stripe_ofs()]; | |
2320 | const rgw_obj_select& os = iter.get_location(); | |
2321 | const rgw_raw_obj& raw_loc = os.get_raw_obj(zonegroup, zone_params); | |
2322 | part.loc_ofs = 0; | |
2323 | ||
2324 | uint64_t ofs = iter.get_stripe_ofs(); | |
2325 | ||
2326 | if (ofs == 0) { | |
2327 | part.loc = obj; | |
2328 | } else { | |
2329 | rgw_raw_obj_to_obj(tail_placement.bucket, raw_loc, &part.loc); | |
2330 | } | |
2331 | ++iter; | |
2332 | uint64_t next_ofs = iter.get_stripe_ofs(); | |
2333 | ||
2334 | part.size = next_ofs - ofs; | |
2335 | } | |
2336 | ||
2337 | explicit_objs = true; | |
2338 | rules.clear(); | |
2339 | prefix.clear(); | |
2340 | } | |
2341 | ||
2342 | int RGWObjManifest::append_explicit(RGWObjManifest& m, const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2343 | { | |
2344 | if (!explicit_objs) { | |
2345 | convert_to_explicit(zonegroup, zone_params); | |
2346 | } | |
2347 | if (!m.explicit_objs) { | |
2348 | m.convert_to_explicit(zonegroup, zone_params); | |
2349 | } | |
2350 | map<uint64_t, RGWObjManifestPart>::iterator iter; | |
2351 | uint64_t base = obj_size; | |
2352 | for (iter = m.objs.begin(); iter != m.objs.end(); ++iter) { | |
2353 | RGWObjManifestPart& part = iter->second; | |
2354 | objs[base + iter->first] = part; | |
2355 | } | |
2356 | obj_size += m.obj_size; | |
2357 | ||
2358 | return 0; | |
2359 | } | |
2360 | ||
2361 | bool RGWObjManifest::get_rule(uint64_t ofs, RGWObjManifestRule *rule) | |
2362 | { | |
2363 | if (rules.empty()) { | |
2364 | return false; | |
2365 | } | |
2366 | ||
2367 | map<uint64_t, RGWObjManifestRule>::iterator iter = rules.upper_bound(ofs); | |
2368 | if (iter != rules.begin()) { | |
2369 | --iter; | |
2370 | } | |
2371 | ||
2372 | *rule = iter->second; | |
2373 | ||
2374 | return true; | |
2375 | } | |
2376 | ||
2377 | void RGWObjVersionTracker::generate_new_write_ver(CephContext *cct) | |
2378 | { | |
2379 | write_version.ver = 1; | |
2380 | #define TAG_LEN 24 | |
2381 | ||
2382 | write_version.tag.clear(); | |
2383 | append_rand_alpha(cct, write_version.tag, write_version.tag, TAG_LEN); | |
2384 | } | |
2385 | ||
2386 | int RGWPutObjProcessor::complete(size_t accounted_size, const string& etag, | |
2387 | real_time *mtime, real_time set_mtime, | |
2388 | map<string, bufferlist>& attrs, real_time delete_at, | |
31f18b77 FG |
2389 | const char *if_match, const char *if_nomatch, const string *user_data, |
2390 | rgw_zone_set *zones_trace) | |
7c673cae | 2391 | { |
31f18b77 | 2392 | int r = do_complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at, if_match, if_nomatch, user_data, zones_trace); |
7c673cae FG |
2393 | if (r < 0) |
2394 | return r; | |
2395 | ||
2396 | is_complete = !canceled; | |
2397 | return 0; | |
2398 | } | |
2399 | ||
2400 | CephContext *RGWPutObjProcessor::ctx() | |
2401 | { | |
2402 | return store->ctx(); | |
2403 | } | |
2404 | ||
2405 | RGWPutObjProcessor_Aio::~RGWPutObjProcessor_Aio() | |
2406 | { | |
2407 | drain_pending(); | |
2408 | ||
2409 | if (is_complete) | |
2410 | return; | |
2411 | ||
2412 | set<rgw_raw_obj>::iterator iter; | |
2413 | bool need_to_remove_head = false; | |
2414 | rgw_raw_obj raw_head; | |
2415 | ||
2416 | if (!head_obj.empty()) { | |
2417 | store->obj_to_raw(bucket_info.placement_rule, head_obj, &raw_head); | |
2418 | } | |
2419 | ||
2420 | /** | |
2421 | * We should delete the object in the "multipart" namespace to avoid race condition. | |
2422 | * Such race condition is caused by the fact that the multipart object is the gatekeeper of a multipart | |
2423 | * upload, when it is deleted, a second upload would start with the same suffix("2/"), therefore, objects | |
2424 | * written by the second upload may be deleted by the first upload. | |
2425 | * details is describled on #11749 | |
2426 | * | |
2427 | * The above comment still stands, but instead of searching for a specific object in the multipart | |
2428 | * namespace, we just make sure that we remove the object that is marked as the head object after | |
2429 | * we remove all the other raw objects. Note that we use different call to remove the head object, | |
2430 | * as this one needs to go via the bucket index prepare/complete 2-phase commit scheme. | |
2431 | */ | |
2432 | for (iter = written_objs.begin(); iter != written_objs.end(); ++iter) { | |
2433 | const rgw_raw_obj& obj = *iter; | |
2434 | if (!head_obj.empty() && obj == raw_head) { | |
2435 | ldout(store->ctx(), 5) << "NOTE: we should not process the head object (" << obj << ") here" << dendl; | |
2436 | need_to_remove_head = true; | |
2437 | continue; | |
2438 | } | |
2439 | ||
2440 | int r = store->delete_raw_obj(obj); | |
2441 | if (r < 0 && r != -ENOENT) { | |
2442 | ldout(store->ctx(), 5) << "WARNING: failed to remove obj (" << obj << "), leaked" << dendl; | |
2443 | } | |
2444 | } | |
2445 | ||
2446 | if (need_to_remove_head) { | |
2447 | ldout(store->ctx(), 5) << "NOTE: we are going to process the head obj (" << raw_head << ")" << dendl; | |
2448 | int r = store->delete_obj(obj_ctx, bucket_info, head_obj, 0, 0); | |
2449 | if (r < 0 && r != -ENOENT) { | |
2450 | ldout(store->ctx(), 0) << "WARNING: failed to remove obj (" << raw_head << "), leaked" << dendl; | |
2451 | } | |
2452 | } | |
2453 | } | |
2454 | ||
2455 | int RGWPutObjProcessor_Aio::handle_obj_data(rgw_raw_obj& obj, bufferlist& bl, off_t ofs, off_t abs_ofs, void **phandle, bool exclusive) | |
2456 | { | |
2457 | if ((uint64_t)abs_ofs + bl.length() > obj_len) | |
2458 | obj_len = abs_ofs + bl.length(); | |
2459 | ||
2460 | if (!(obj == last_written_obj)) { | |
2461 | last_written_obj = obj; | |
2462 | } | |
2463 | ||
2464 | // For the first call pass -1 as the offset to | |
2465 | // do a write_full. | |
2466 | return store->aio_put_obj_data(NULL, obj, bl, ((ofs != 0) ? ofs : -1), exclusive, phandle); | |
2467 | } | |
2468 | ||
2469 | struct put_obj_aio_info RGWPutObjProcessor_Aio::pop_pending() | |
2470 | { | |
2471 | struct put_obj_aio_info info; | |
2472 | info = pending.front(); | |
2473 | pending.pop_front(); | |
2474 | pending_size -= info.size; | |
2475 | return info; | |
2476 | } | |
2477 | ||
2478 | int RGWPutObjProcessor_Aio::wait_pending_front() | |
2479 | { | |
2480 | if (pending.empty()) { | |
2481 | return 0; | |
2482 | } | |
2483 | struct put_obj_aio_info info = pop_pending(); | |
2484 | int ret = store->aio_wait(info.handle); | |
2485 | ||
2486 | if (ret >= 0) { | |
2487 | add_written_obj(info.obj); | |
2488 | } | |
2489 | ||
2490 | return ret; | |
2491 | } | |
2492 | ||
2493 | bool RGWPutObjProcessor_Aio::pending_has_completed() | |
2494 | { | |
2495 | if (pending.empty()) | |
2496 | return false; | |
2497 | ||
2498 | struct put_obj_aio_info& info = pending.front(); | |
2499 | return store->aio_completed(info.handle); | |
2500 | } | |
2501 | ||
2502 | int RGWPutObjProcessor_Aio::drain_pending() | |
2503 | { | |
2504 | int ret = 0; | |
2505 | while (!pending.empty()) { | |
2506 | int r = wait_pending_front(); | |
2507 | if (r < 0) | |
2508 | ret = r; | |
2509 | } | |
2510 | return ret; | |
2511 | } | |
2512 | ||
2513 | int RGWPutObjProcessor_Aio::throttle_data(void *handle, const rgw_raw_obj& obj, uint64_t size, bool need_to_wait) | |
2514 | { | |
2515 | bool _wait = need_to_wait; | |
2516 | ||
2517 | if (handle) { | |
2518 | struct put_obj_aio_info info; | |
2519 | info.handle = handle; | |
2520 | info.obj = obj; | |
2521 | info.size = size; | |
2522 | pending_size += size; | |
2523 | pending.push_back(info); | |
2524 | } | |
2525 | size_t orig_size = pending_size; | |
2526 | ||
2527 | /* first drain complete IOs */ | |
2528 | while (pending_has_completed()) { | |
2529 | int r = wait_pending_front(); | |
2530 | if (r < 0) | |
2531 | return r; | |
2532 | ||
2533 | _wait = false; | |
2534 | } | |
2535 | ||
2536 | /* resize window in case messages are draining too fast */ | |
2537 | if (orig_size - pending_size >= window_size) { | |
2538 | window_size += store->ctx()->_conf->rgw_max_chunk_size; | |
2539 | uint64_t max_window_size = store->ctx()->_conf->rgw_put_obj_max_window_size; | |
2540 | if (window_size > max_window_size) { | |
2541 | window_size = max_window_size; | |
2542 | } | |
2543 | } | |
2544 | ||
2545 | /* now throttle. Note that need_to_wait should only affect the first IO operation */ | |
2546 | if (pending_size > window_size || _wait) { | |
2547 | int r = wait_pending_front(); | |
2548 | if (r < 0) | |
2549 | return r; | |
2550 | } | |
2551 | return 0; | |
2552 | } | |
2553 | ||
2554 | int RGWPutObjProcessor_Atomic::write_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool exclusive) | |
2555 | { | |
2556 | if (ofs >= next_part_ofs) { | |
2557 | int r = prepare_next_part(ofs); | |
2558 | if (r < 0) { | |
2559 | return r; | |
2560 | } | |
2561 | } | |
2562 | ||
2563 | *pobj = cur_obj; | |
2564 | ||
2565 | if (!bl.length()) | |
2566 | return 0; | |
2567 | ||
2568 | return RGWPutObjProcessor_Aio::handle_obj_data(cur_obj, bl, ofs - cur_part_ofs, ofs, phandle, exclusive); | |
2569 | } | |
2570 | ||
2571 | int RGWPutObjProcessor_Aio::prepare(RGWRados *store, string *oid_rand) | |
2572 | { | |
2573 | RGWPutObjProcessor::prepare(store, oid_rand); | |
2574 | ||
2575 | window_size = store->ctx()->_conf->rgw_put_obj_min_window_size; | |
2576 | ||
2577 | return 0; | |
2578 | } | |
2579 | ||
2580 | int RGWPutObjProcessor_Atomic::handle_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool *again) | |
2581 | { | |
2582 | *phandle = NULL; | |
2583 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2584 | ||
2585 | pending_data_bl.claim_append(bl); | |
2586 | if (pending_data_bl.length() < max_write_size) { | |
2587 | *again = false; | |
2588 | return 0; | |
2589 | } | |
2590 | ||
2591 | pending_data_bl.splice(0, max_write_size, &bl); | |
2592 | ||
2593 | /* do we have enough data pending accumulated that needs to be written? */ | |
2594 | *again = (pending_data_bl.length() >= max_chunk_size); | |
2595 | ||
2596 | if (!data_ofs && !immutable_head()) { | |
2597 | first_chunk.claim(bl); | |
2598 | obj_len = (uint64_t)first_chunk.length(); | |
2599 | int r = prepare_next_part(obj_len); | |
2600 | if (r < 0) { | |
2601 | return r; | |
2602 | } | |
2603 | data_ofs = obj_len; | |
2604 | return 0; | |
2605 | } | |
2606 | off_t write_ofs = data_ofs; | |
2607 | data_ofs = write_ofs + bl.length(); | |
2608 | bool exclusive = (!write_ofs && immutable_head()); /* immutable head object, need to verify nothing exists there | |
2609 | we could be racing with another upload, to the same | |
2610 | object and cleanup can be messy */ | |
2611 | int ret = write_data(bl, write_ofs, phandle, pobj, exclusive); | |
2612 | if (ret >= 0) { /* we might return, need to clear bl as it was already sent */ | |
2613 | bl.clear(); | |
2614 | } | |
2615 | return ret; | |
2616 | } | |
2617 | ||
2618 | ||
2619 | int RGWPutObjProcessor_Atomic::prepare_init(RGWRados *store, string *oid_rand) | |
2620 | { | |
2621 | RGWPutObjProcessor_Aio::prepare(store, oid_rand); | |
2622 | ||
2623 | int r = store->get_max_chunk_size(bucket_info.placement_rule, head_obj, &max_chunk_size); | |
2624 | if (r < 0) { | |
2625 | return r; | |
2626 | } | |
2627 | ||
2628 | return 0; | |
2629 | } | |
2630 | ||
2631 | int RGWPutObjProcessor_Atomic::prepare(RGWRados *store, string *oid_rand) | |
2632 | { | |
2633 | head_obj.init(bucket, obj_str); | |
2634 | ||
2635 | int r = prepare_init(store, oid_rand); | |
2636 | if (r < 0) { | |
2637 | return r; | |
2638 | } | |
2639 | ||
2640 | if (!version_id.empty()) { | |
2641 | head_obj.key.set_instance(version_id); | |
2642 | } else if (versioned_object) { | |
2643 | store->gen_rand_obj_instance_name(&head_obj); | |
2644 | } | |
2645 | ||
2646 | manifest.set_trivial_rule(max_chunk_size, store->ctx()->_conf->rgw_obj_stripe_size); | |
2647 | ||
2648 | r = manifest_gen.create_begin(store->ctx(), &manifest, bucket_info.placement_rule, head_obj.bucket, head_obj); | |
2649 | if (r < 0) { | |
2650 | return r; | |
2651 | } | |
2652 | ||
2653 | return 0; | |
2654 | } | |
2655 | ||
2656 | int RGWPutObjProcessor_Atomic::prepare_next_part(off_t ofs) { | |
2657 | ||
2658 | int ret = manifest_gen.create_next(ofs); | |
2659 | if (ret < 0) { | |
2660 | lderr(store->ctx()) << "ERROR: manifest_gen.create_next() returned ret=" << ret << dendl; | |
2661 | return ret; | |
2662 | } | |
2663 | cur_part_ofs = ofs; | |
2664 | next_part_ofs = ofs + manifest_gen.cur_stripe_max_size(); | |
2665 | cur_obj = manifest_gen.get_cur_obj(store); | |
2666 | ||
2667 | return 0; | |
2668 | } | |
2669 | ||
2670 | int RGWPutObjProcessor_Atomic::complete_parts() | |
2671 | { | |
2672 | if (obj_len > (uint64_t)cur_part_ofs) { | |
2673 | return prepare_next_part(obj_len); | |
2674 | } | |
2675 | return 0; | |
2676 | } | |
2677 | ||
2678 | int RGWPutObjProcessor_Atomic::complete_writing_data() | |
2679 | { | |
2680 | if (!data_ofs && !immutable_head()) { | |
2681 | /* only claim if pending_data_bl() is not empty. This is needed because we might be called twice | |
2682 | * (e.g., when a retry due to race happens). So a second call to first_chunk.claim() would | |
2683 | * clobber first_chunk | |
2684 | */ | |
2685 | if (pending_data_bl.length() > 0) { | |
2686 | first_chunk.claim(pending_data_bl); | |
2687 | } | |
2688 | obj_len = (uint64_t)first_chunk.length(); | |
2689 | } | |
2690 | while (pending_data_bl.length()) { | |
2691 | void *handle; | |
2692 | rgw_raw_obj obj; | |
2693 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2694 | if (max_write_size > pending_data_bl.length()) { | |
2695 | max_write_size = pending_data_bl.length(); | |
2696 | } | |
2697 | bufferlist bl; | |
2698 | pending_data_bl.splice(0, max_write_size, &bl); | |
2699 | uint64_t write_len = bl.length(); | |
2700 | int r = write_data(bl, data_ofs, &handle, &obj, false); | |
2701 | if (r < 0) { | |
2702 | ldout(store->ctx(), 0) << "ERROR: write_data() returned " << r << dendl; | |
2703 | return r; | |
2704 | } | |
2705 | data_ofs += write_len; | |
2706 | r = throttle_data(handle, obj, write_len, false); | |
2707 | if (r < 0) { | |
2708 | ldout(store->ctx(), 0) << "ERROR: throttle_data() returned " << r << dendl; | |
2709 | return r; | |
2710 | } | |
2711 | ||
2712 | if (data_ofs >= next_part_ofs) { | |
2713 | r = prepare_next_part(data_ofs); | |
2714 | if (r < 0) { | |
2715 | ldout(store->ctx(), 0) << "ERROR: prepare_next_part() returned " << r << dendl; | |
2716 | return r; | |
2717 | } | |
2718 | } | |
2719 | } | |
2720 | int r = complete_parts(); | |
2721 | if (r < 0) { | |
2722 | return r; | |
2723 | } | |
2724 | ||
2725 | r = drain_pending(); | |
2726 | if (r < 0) | |
2727 | return r; | |
2728 | ||
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | int RGWPutObjProcessor_Atomic::do_complete(size_t accounted_size, const string& etag, | |
2733 | real_time *mtime, real_time set_mtime, | |
2734 | map<string, bufferlist>& attrs, | |
2735 | real_time delete_at, | |
2736 | const char *if_match, | |
31f18b77 FG |
2737 | const char *if_nomatch, const string *user_data, |
2738 | rgw_zone_set *zones_trace) { | |
7c673cae FG |
2739 | int r = complete_writing_data(); |
2740 | if (r < 0) | |
2741 | return r; | |
2742 | ||
2743 | obj_ctx.obj.set_atomic(head_obj); | |
2744 | ||
2745 | RGWRados::Object op_target(store, bucket_info, obj_ctx, head_obj); | |
2746 | ||
2747 | /* some object types shouldn't be versioned, e.g., multipart parts */ | |
2748 | op_target.set_versioning_disabled(!versioned_object); | |
2749 | ||
2750 | RGWRados::Object::Write obj_op(&op_target); | |
2751 | ||
2752 | obj_op.meta.data = &first_chunk; | |
2753 | obj_op.meta.manifest = &manifest; | |
2754 | obj_op.meta.ptag = &unique_tag; /* use req_id as operation tag */ | |
2755 | obj_op.meta.if_match = if_match; | |
2756 | obj_op.meta.if_nomatch = if_nomatch; | |
2757 | obj_op.meta.mtime = mtime; | |
2758 | obj_op.meta.set_mtime = set_mtime; | |
2759 | obj_op.meta.owner = bucket_info.owner; | |
2760 | obj_op.meta.flags = PUT_OBJ_CREATE; | |
2761 | obj_op.meta.olh_epoch = olh_epoch; | |
2762 | obj_op.meta.delete_at = delete_at; | |
2763 | obj_op.meta.user_data = user_data; | |
31f18b77 | 2764 | obj_op.meta.zones_trace = zones_trace; |
7c673cae FG |
2765 | |
2766 | r = obj_op.write_meta(obj_len, accounted_size, attrs); | |
2767 | if (r < 0) { | |
2768 | return r; | |
2769 | } | |
2770 | ||
2771 | canceled = obj_op.meta.canceled; | |
2772 | ||
2773 | return 0; | |
2774 | } | |
2775 | ||
2776 | int RGWRados::watch(const string& oid, uint64_t *watch_handle, librados::WatchCtx2 *ctx) { | |
2777 | int r = control_pool_ctx.watch2(oid, watch_handle, ctx); | |
2778 | if (r < 0) | |
2779 | return r; | |
2780 | return 0; | |
2781 | } | |
2782 | ||
2783 | int RGWRados::unwatch(uint64_t watch_handle) | |
2784 | { | |
2785 | int r = control_pool_ctx.unwatch2(watch_handle); | |
2786 | if (r < 0) { | |
2787 | ldout(cct, 0) << "ERROR: rados->unwatch2() returned r=" << r << dendl; | |
2788 | return r; | |
2789 | } | |
2790 | r = rados[0].watch_flush(); | |
2791 | if (r < 0) { | |
2792 | ldout(cct, 0) << "ERROR: rados->watch_flush() returned r=" << r << dendl; | |
2793 | return r; | |
2794 | } | |
2795 | return 0; | |
2796 | } | |
2797 | ||
2798 | void RGWRados::add_watcher(int i) | |
2799 | { | |
2800 | ldout(cct, 20) << "add_watcher() i=" << i << dendl; | |
2801 | Mutex::Locker l(watchers_lock); | |
2802 | watchers_set.insert(i); | |
2803 | if (watchers_set.size() == (size_t)num_watchers) { | |
2804 | ldout(cct, 2) << "all " << num_watchers << " watchers are set, enabling cache" << dendl; | |
2805 | set_cache_enabled(true); | |
2806 | } | |
2807 | } | |
2808 | ||
2809 | void RGWRados::remove_watcher(int i) | |
2810 | { | |
2811 | ldout(cct, 20) << "remove_watcher() i=" << i << dendl; | |
2812 | Mutex::Locker l(watchers_lock); | |
2813 | size_t orig_size = watchers_set.size(); | |
2814 | watchers_set.erase(i); | |
2815 | if (orig_size == (size_t)num_watchers && | |
2816 | watchers_set.size() < orig_size) { /* actually removed */ | |
2817 | ldout(cct, 2) << "removed watcher, disabling cache" << dendl; | |
2818 | set_cache_enabled(false); | |
2819 | } | |
2820 | } | |
2821 | ||
2822 | class RGWWatcher : public librados::WatchCtx2 { | |
2823 | RGWRados *rados; | |
2824 | int index; | |
2825 | string oid; | |
2826 | uint64_t watch_handle; | |
2827 | ||
2828 | class C_ReinitWatch : public Context { | |
2829 | RGWWatcher *watcher; | |
2830 | public: | |
2831 | explicit C_ReinitWatch(RGWWatcher *_watcher) : watcher(_watcher) {} | |
2832 | void finish(int r) override { | |
2833 | watcher->reinit(); | |
2834 | } | |
2835 | }; | |
2836 | public: | |
2837 | RGWWatcher(RGWRados *r, int i, const string& o) : rados(r), index(i), oid(o), watch_handle(0) {} | |
2838 | void handle_notify(uint64_t notify_id, | |
2839 | uint64_t cookie, | |
2840 | uint64_t notifier_id, | |
2841 | bufferlist& bl) override { | |
2842 | ldout(rados->ctx(), 10) << "RGWWatcher::handle_notify() " | |
2843 | << " notify_id " << notify_id | |
2844 | << " cookie " << cookie | |
2845 | << " notifier " << notifier_id | |
2846 | << " bl.length()=" << bl.length() << dendl; | |
2847 | rados->watch_cb(notify_id, cookie, notifier_id, bl); | |
2848 | ||
2849 | bufferlist reply_bl; // empty reply payload | |
2850 | rados->control_pool_ctx.notify_ack(oid, notify_id, cookie, reply_bl); | |
2851 | } | |
2852 | void handle_error(uint64_t cookie, int err) override { | |
2853 | lderr(rados->ctx()) << "RGWWatcher::handle_error cookie " << cookie | |
2854 | << " err " << cpp_strerror(err) << dendl; | |
2855 | rados->remove_watcher(index); | |
2856 | rados->schedule_context(new C_ReinitWatch(this)); | |
2857 | } | |
2858 | ||
2859 | void reinit() { | |
2860 | int ret = unregister_watch(); | |
2861 | if (ret < 0) { | |
2862 | ldout(rados->ctx(), 0) << "ERROR: unregister_watch() returned ret=" << ret << dendl; | |
2863 | return; | |
2864 | } | |
2865 | ret = register_watch(); | |
2866 | if (ret < 0) { | |
2867 | ldout(rados->ctx(), 0) << "ERROR: register_watch() returned ret=" << ret << dendl; | |
2868 | return; | |
2869 | } | |
2870 | } | |
2871 | ||
2872 | int unregister_watch() { | |
2873 | int r = rados->unwatch(watch_handle); | |
2874 | if (r < 0) { | |
2875 | return r; | |
2876 | } | |
2877 | rados->remove_watcher(index); | |
2878 | return 0; | |
2879 | } | |
2880 | ||
2881 | int register_watch() { | |
2882 | int r = rados->watch(oid, &watch_handle, this); | |
2883 | if (r < 0) { | |
2884 | return r; | |
2885 | } | |
2886 | rados->add_watcher(index); | |
2887 | return 0; | |
2888 | } | |
2889 | }; | |
2890 | ||
2891 | class RGWMetaNotifierManager : public RGWCoroutinesManager { | |
2892 | RGWRados *store; | |
2893 | RGWHTTPManager http_manager; | |
2894 | ||
2895 | public: | |
2896 | RGWMetaNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2897 | http_manager(store->ctx(), completion_mgr) { | |
2898 | http_manager.set_threaded(); | |
2899 | } | |
2900 | ||
2901 | int notify_all(map<string, RGWRESTConn *>& conn_map, set<int>& shards) { | |
2902 | rgw_http_param_pair pairs[] = { { "type", "metadata" }, | |
2903 | { "notify", NULL }, | |
2904 | { NULL, NULL } }; | |
2905 | ||
2906 | list<RGWCoroutinesStack *> stacks; | |
2907 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2908 | RGWRESTConn *conn = iter->second; | |
2909 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2910 | stack->call(new RGWPostRESTResourceCR<set<int>, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2911 | ||
2912 | stacks.push_back(stack); | |
2913 | } | |
2914 | return run(stacks); | |
2915 | } | |
2916 | }; | |
2917 | ||
2918 | class RGWDataNotifierManager : public RGWCoroutinesManager { | |
2919 | RGWRados *store; | |
2920 | RGWHTTPManager http_manager; | |
2921 | ||
2922 | public: | |
2923 | RGWDataNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2924 | http_manager(store->ctx(), completion_mgr) { | |
2925 | http_manager.set_threaded(); | |
2926 | } | |
2927 | ||
2928 | int notify_all(map<string, RGWRESTConn *>& conn_map, map<int, set<string> >& shards) { | |
2929 | rgw_http_param_pair pairs[] = { { "type", "data" }, | |
2930 | { "notify", NULL }, | |
2931 | { "source-zone", store->get_zone_params().get_id().c_str() }, | |
2932 | { NULL, NULL } }; | |
2933 | ||
2934 | list<RGWCoroutinesStack *> stacks; | |
2935 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2936 | RGWRESTConn *conn = iter->second; | |
2937 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2938 | stack->call(new RGWPostRESTResourceCR<map<int, set<string> >, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2939 | ||
2940 | stacks.push_back(stack); | |
2941 | } | |
2942 | return run(stacks); | |
2943 | } | |
2944 | }; | |
2945 | ||
2946 | class RGWRadosThread { | |
2947 | class Worker : public Thread { | |
2948 | CephContext *cct; | |
2949 | RGWRadosThread *processor; | |
2950 | Mutex lock; | |
2951 | Cond cond; | |
2952 | ||
31f18b77 FG |
2953 | void wait() { |
2954 | Mutex::Locker l(lock); | |
2955 | cond.Wait(lock); | |
2956 | }; | |
2957 | ||
2958 | void wait_interval(const utime_t& wait_time) { | |
2959 | Mutex::Locker l(lock); | |
2960 | cond.WaitInterval(lock, wait_time); | |
2961 | } | |
2962 | ||
7c673cae FG |
2963 | public: |
2964 | Worker(CephContext *_cct, RGWRadosThread *_p) : cct(_cct), processor(_p), lock("RGWRadosThread::Worker") {} | |
2965 | void *entry() override; | |
31f18b77 | 2966 | void signal() { |
7c673cae FG |
2967 | Mutex::Locker l(lock); |
2968 | cond.Signal(); | |
2969 | } | |
2970 | }; | |
2971 | ||
2972 | Worker *worker; | |
2973 | ||
2974 | protected: | |
2975 | CephContext *cct; | |
2976 | RGWRados *store; | |
2977 | ||
2978 | std::atomic<bool> down_flag = { false }; | |
2979 | ||
2980 | string thread_name; | |
2981 | ||
2982 | virtual uint64_t interval_msec() = 0; | |
2983 | virtual void stop_process() {} | |
2984 | public: | |
2985 | RGWRadosThread(RGWRados *_store, const string& thread_name = "radosgw") | |
2986 | : worker(NULL), cct(_store->ctx()), store(_store), thread_name(thread_name) {} | |
2987 | virtual ~RGWRadosThread() { | |
2988 | stop(); | |
2989 | } | |
2990 | ||
2991 | virtual int init() { return 0; } | |
2992 | virtual int process() = 0; | |
2993 | ||
2994 | bool going_down() { return down_flag; } | |
2995 | ||
2996 | void start(); | |
2997 | void stop(); | |
31f18b77 FG |
2998 | |
2999 | void signal() { | |
3000 | if (worker) { | |
3001 | worker->signal(); | |
3002 | } | |
3003 | } | |
7c673cae FG |
3004 | }; |
3005 | ||
3006 | void RGWRadosThread::start() | |
3007 | { | |
3008 | worker = new Worker(cct, this); | |
3009 | worker->create(thread_name.c_str()); | |
3010 | } | |
3011 | ||
3012 | void RGWRadosThread::stop() | |
3013 | { | |
3014 | down_flag = true; | |
3015 | stop_process(); | |
3016 | if (worker) { | |
31f18b77 | 3017 | worker->signal(); |
7c673cae FG |
3018 | worker->join(); |
3019 | } | |
3020 | delete worker; | |
3021 | worker = NULL; | |
3022 | } | |
3023 | ||
3024 | void *RGWRadosThread::Worker::entry() { | |
3025 | uint64_t msec = processor->interval_msec(); | |
3026 | utime_t interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3027 | ||
3028 | do { | |
3029 | utime_t start = ceph_clock_now(); | |
3030 | int r = processor->process(); | |
3031 | if (r < 0) { | |
3032 | dout(0) << "ERROR: processor->process() returned error r=" << r << dendl; | |
3033 | } | |
3034 | ||
3035 | if (processor->going_down()) | |
3036 | break; | |
3037 | ||
3038 | utime_t end = ceph_clock_now(); | |
3039 | end -= start; | |
3040 | ||
3041 | uint64_t cur_msec = processor->interval_msec(); | |
3042 | if (cur_msec != msec) { /* was it reconfigured? */ | |
3043 | msec = cur_msec; | |
3044 | interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3045 | } | |
3046 | ||
3047 | if (cur_msec > 0) { | |
3048 | if (interval <= end) | |
3049 | continue; // next round | |
3050 | ||
3051 | utime_t wait_time = interval; | |
3052 | wait_time -= end; | |
3053 | ||
31f18b77 | 3054 | wait_interval(wait_time); |
7c673cae | 3055 | } else { |
31f18b77 | 3056 | wait(); |
7c673cae FG |
3057 | } |
3058 | } while (!processor->going_down()); | |
3059 | ||
3060 | return NULL; | |
3061 | } | |
3062 | ||
3063 | class RGWMetaNotifier : public RGWRadosThread { | |
3064 | RGWMetaNotifierManager notify_mgr; | |
3065 | RGWMetadataLog *const log; | |
3066 | ||
3067 | uint64_t interval_msec() override { | |
3068 | return cct->_conf->rgw_md_notify_interval_msec; | |
3069 | } | |
3070 | public: | |
3071 | RGWMetaNotifier(RGWRados *_store, RGWMetadataLog* log) | |
3072 | : RGWRadosThread(_store, "meta-notifier"), notify_mgr(_store), log(log) {} | |
3073 | ||
3074 | int process() override; | |
3075 | }; | |
3076 | ||
3077 | int RGWMetaNotifier::process() | |
3078 | { | |
3079 | set<int> shards; | |
3080 | ||
3081 | log->read_clear_modified(shards); | |
3082 | ||
3083 | if (shards.empty()) { | |
3084 | return 0; | |
3085 | } | |
3086 | ||
3087 | for (set<int>::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3088 | ldout(cct, 20) << __func__ << "(): notifying mdlog change, shard_id=" << *iter << dendl; | |
3089 | } | |
3090 | ||
3091 | notify_mgr.notify_all(store->zone_conn_map, shards); | |
3092 | ||
3093 | return 0; | |
3094 | } | |
3095 | ||
3096 | class RGWDataNotifier : public RGWRadosThread { | |
3097 | RGWDataNotifierManager notify_mgr; | |
3098 | ||
3099 | uint64_t interval_msec() override { | |
3100 | return cct->_conf->rgw_md_notify_interval_msec; | |
3101 | } | |
3102 | public: | |
3103 | RGWDataNotifier(RGWRados *_store) : RGWRadosThread(_store, "data-notifier"), notify_mgr(_store) {} | |
3104 | ||
3105 | int process() override; | |
3106 | }; | |
3107 | ||
3108 | int RGWDataNotifier::process() | |
3109 | { | |
3110 | if (!store->data_log) { | |
3111 | return 0; | |
3112 | } | |
3113 | ||
3114 | map<int, set<string> > shards; | |
3115 | ||
3116 | store->data_log->read_clear_modified(shards); | |
3117 | ||
3118 | if (shards.empty()) { | |
3119 | return 0; | |
3120 | } | |
3121 | ||
3122 | for (map<int, set<string> >::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3123 | ldout(cct, 20) << __func__ << "(): notifying datalog change, shard_id=" << iter->first << ": " << iter->second << dendl; | |
3124 | } | |
3125 | ||
3126 | notify_mgr.notify_all(store->zone_data_notify_to_map, shards); | |
3127 | ||
3128 | return 0; | |
3129 | } | |
3130 | ||
3131 | class RGWSyncProcessorThread : public RGWRadosThread { | |
3132 | public: | |
3133 | RGWSyncProcessorThread(RGWRados *_store, const string& thread_name = "radosgw") : RGWRadosThread(_store, thread_name) {} | |
3134 | RGWSyncProcessorThread(RGWRados *_store) : RGWRadosThread(_store) {} | |
3135 | ~RGWSyncProcessorThread() override {} | |
3136 | int init() override = 0 ; | |
3137 | int process() override = 0; | |
3138 | }; | |
3139 | ||
3140 | class RGWMetaSyncProcessorThread : public RGWSyncProcessorThread | |
3141 | { | |
3142 | RGWMetaSyncStatusManager sync; | |
3143 | ||
3144 | uint64_t interval_msec() override { | |
3145 | return 0; /* no interval associated, it'll run once until stopped */ | |
3146 | } | |
3147 | void stop_process() override { | |
3148 | sync.stop(); | |
3149 | } | |
3150 | public: | |
3151 | RGWMetaSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados) | |
3152 | : RGWSyncProcessorThread(_store, "meta-sync"), sync(_store, async_rados) {} | |
3153 | ||
3154 | void wakeup_sync_shards(set<int>& shard_ids) { | |
3155 | for (set<int>::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3156 | sync.wakeup(*iter); | |
3157 | } | |
3158 | } | |
3159 | RGWMetaSyncStatusManager* get_manager() { return &sync; } | |
3160 | ||
3161 | int init() override { | |
3162 | int ret = sync.init(); | |
3163 | if (ret < 0) { | |
3164 | ldout(store->ctx(), 0) << "ERROR: sync.init() returned " << ret << dendl; | |
3165 | return ret; | |
3166 | } | |
3167 | return 0; | |
3168 | } | |
3169 | ||
3170 | int process() override { | |
3171 | sync.run(); | |
3172 | return 0; | |
3173 | } | |
3174 | }; | |
3175 | ||
3176 | class RGWDataSyncProcessorThread : public RGWSyncProcessorThread | |
3177 | { | |
3178 | RGWDataSyncStatusManager sync; | |
3179 | bool initialized; | |
3180 | ||
3181 | uint64_t interval_msec() override { | |
3182 | if (initialized) { | |
3183 | return 0; /* no interval associated, it'll run once until stopped */ | |
3184 | } else { | |
3185 | #define DATA_SYNC_INIT_WAIT_SEC 20 | |
3186 | return DATA_SYNC_INIT_WAIT_SEC * 1000; | |
3187 | } | |
3188 | } | |
3189 | void stop_process() override { | |
3190 | sync.stop(); | |
3191 | } | |
3192 | public: | |
3193 | RGWDataSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados, | |
3194 | const string& _source_zone) | |
3195 | : RGWSyncProcessorThread(_store, "data-sync"), sync(_store, async_rados, _source_zone), | |
3196 | initialized(false) {} | |
3197 | ||
3198 | void wakeup_sync_shards(map<int, set<string> >& shard_ids) { | |
3199 | for (map<int, set<string> >::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3200 | sync.wakeup(iter->first, iter->second); | |
3201 | } | |
3202 | } | |
3203 | RGWDataSyncStatusManager* get_manager() { return &sync; } | |
3204 | ||
3205 | int init() override { | |
3206 | return 0; | |
3207 | } | |
3208 | ||
3209 | int process() override { | |
3210 | while (!initialized) { | |
3211 | if (going_down()) { | |
3212 | return 0; | |
3213 | } | |
3214 | int ret = sync.init(); | |
3215 | if (ret >= 0) { | |
3216 | initialized = true; | |
3217 | break; | |
3218 | } | |
3219 | /* we'll be back! */ | |
3220 | return 0; | |
3221 | } | |
3222 | sync.run(); | |
3223 | return 0; | |
3224 | } | |
3225 | }; | |
3226 | ||
3227 | class RGWSyncLogTrimThread : public RGWSyncProcessorThread | |
3228 | { | |
3229 | RGWCoroutinesManager crs; | |
3230 | RGWRados *store; | |
3231 | RGWHTTPManager http; | |
3232 | const utime_t trim_interval; | |
3233 | ||
3234 | uint64_t interval_msec() override { return 0; } | |
3235 | void stop_process() override { crs.stop(); } | |
3236 | public: | |
3237 | RGWSyncLogTrimThread(RGWRados *store, int interval) | |
3238 | : RGWSyncProcessorThread(store, "sync-log-trim"), | |
3239 | crs(store->ctx(), store->get_cr_registry()), store(store), | |
3240 | http(store->ctx(), crs.get_completion_mgr()), | |
3241 | trim_interval(interval, 0) | |
3242 | {} | |
3243 | ||
3244 | int init() override { | |
3245 | return http.set_threaded(); | |
3246 | } | |
3247 | int process() override { | |
3248 | list<RGWCoroutinesStack*> stacks; | |
3249 | auto meta = new RGWCoroutinesStack(store->ctx(), &crs); | |
3250 | meta->call(create_meta_log_trim_cr(store, &http, | |
3251 | cct->_conf->rgw_md_log_max_shards, | |
3252 | trim_interval)); | |
3253 | stacks.push_back(meta); | |
3254 | ||
3255 | auto data = new RGWCoroutinesStack(store->ctx(), &crs); | |
3256 | data->call(create_data_log_trim_cr(store, &http, | |
3257 | cct->_conf->rgw_data_log_num_shards, | |
3258 | trim_interval)); | |
3259 | stacks.push_back(data); | |
3260 | ||
3261 | crs.run(stacks); | |
3262 | return 0; | |
3263 | } | |
3264 | }; | |
3265 | ||
3266 | void RGWRados::wakeup_meta_sync_shards(set<int>& shard_ids) | |
3267 | { | |
3268 | Mutex::Locker l(meta_sync_thread_lock); | |
3269 | if (meta_sync_processor_thread) { | |
3270 | meta_sync_processor_thread->wakeup_sync_shards(shard_ids); | |
3271 | } | |
3272 | } | |
3273 | ||
3274 | void RGWRados::wakeup_data_sync_shards(const string& source_zone, map<int, set<string> >& shard_ids) | |
3275 | { | |
3276 | ldout(ctx(), 20) << __func__ << ": source_zone=" << source_zone << ", shard_ids=" << shard_ids << dendl; | |
3277 | Mutex::Locker l(data_sync_thread_lock); | |
3278 | map<string, RGWDataSyncProcessorThread *>::iterator iter = data_sync_processor_threads.find(source_zone); | |
3279 | if (iter == data_sync_processor_threads.end()) { | |
3280 | ldout(ctx(), 10) << __func__ << ": couldn't find sync thread for zone " << source_zone << ", skipping async data sync processing" << dendl; | |
3281 | return; | |
3282 | } | |
3283 | ||
3284 | RGWDataSyncProcessorThread *thread = iter->second; | |
3285 | assert(thread); | |
3286 | thread->wakeup_sync_shards(shard_ids); | |
3287 | } | |
3288 | ||
3289 | RGWMetaSyncStatusManager* RGWRados::get_meta_sync_manager() | |
3290 | { | |
3291 | Mutex::Locker l(meta_sync_thread_lock); | |
3292 | if (meta_sync_processor_thread) { | |
3293 | return meta_sync_processor_thread->get_manager(); | |
3294 | } | |
3295 | return nullptr; | |
3296 | } | |
3297 | ||
3298 | RGWDataSyncStatusManager* RGWRados::get_data_sync_manager(const std::string& source_zone) | |
3299 | { | |
3300 | Mutex::Locker l(data_sync_thread_lock); | |
3301 | auto thread = data_sync_processor_threads.find(source_zone); | |
3302 | if (thread == data_sync_processor_threads.end()) { | |
3303 | return nullptr; | |
3304 | } | |
3305 | return thread->second->get_manager(); | |
3306 | } | |
3307 | ||
3308 | int RGWRados::get_required_alignment(const rgw_pool& pool, uint64_t *alignment) | |
3309 | { | |
3310 | IoCtx ioctx; | |
3311 | int r = open_pool_ctx(pool, ioctx); | |
3312 | if (r < 0) { | |
3313 | ldout(cct, 0) << "ERROR: open_pool_ctx() returned " << r << dendl; | |
3314 | return r; | |
3315 | } | |
3316 | ||
3317 | bool requires; | |
3318 | r = ioctx.pool_requires_alignment2(&requires); | |
3319 | if (r < 0) { | |
3320 | ldout(cct, 0) << "ERROR: ioctx.pool_requires_alignment2() returned " | |
3321 | << r << dendl; | |
3322 | return r; | |
3323 | } | |
3324 | ||
3325 | if (!requires) { | |
3326 | *alignment = 0; | |
3327 | return 0; | |
3328 | } | |
3329 | ||
3330 | uint64_t align; | |
3331 | r = ioctx.pool_required_alignment2(&align); | |
3332 | if (r < 0) { | |
3333 | ldout(cct, 0) << "ERROR: ioctx.pool_required_alignment2() returned " | |
3334 | << r << dendl; | |
3335 | return r; | |
3336 | } | |
3337 | if (align != 0) { | |
3338 | ldout(cct, 20) << "required alignment=" << align << dendl; | |
3339 | } | |
3340 | *alignment = align; | |
3341 | return 0; | |
3342 | } | |
3343 | ||
3344 | int RGWRados::get_max_chunk_size(const rgw_pool& pool, uint64_t *max_chunk_size) | |
3345 | { | |
3346 | uint64_t alignment; | |
3347 | int r = get_required_alignment(pool, &alignment); | |
3348 | if (r < 0) { | |
3349 | return r; | |
3350 | } | |
3351 | ||
3352 | uint64_t config_chunk_size = cct->_conf->rgw_max_chunk_size; | |
3353 | ||
3354 | if (alignment == 0) { | |
3355 | *max_chunk_size = config_chunk_size; | |
3356 | return 0; | |
3357 | } | |
3358 | ||
3359 | if (config_chunk_size <= alignment) { | |
3360 | *max_chunk_size = alignment; | |
3361 | return 0; | |
3362 | } | |
3363 | ||
3364 | *max_chunk_size = config_chunk_size - (config_chunk_size % alignment); | |
3365 | ||
3366 | ldout(cct, 20) << "max_chunk_size=" << *max_chunk_size << dendl; | |
3367 | ||
3368 | return 0; | |
3369 | } | |
3370 | ||
3371 | int RGWRados::get_max_chunk_size(const string& placement_rule, const rgw_obj& obj, uint64_t *max_chunk_size) | |
3372 | { | |
3373 | rgw_pool pool; | |
3374 | if (!get_obj_data_pool(placement_rule, obj, &pool)) { | |
3375 | ldout(cct, 0) << "ERROR: failed to get data pool for object " << obj << dendl; | |
3376 | return -EIO; | |
3377 | } | |
3378 | return get_max_chunk_size(pool, max_chunk_size); | |
3379 | } | |
3380 | ||
31f18b77 FG |
3381 | class RGWIndexCompletionManager; |
3382 | ||
3383 | struct complete_op_data { | |
3384 | Mutex lock{"complete_op_data"}; | |
3385 | AioCompletion *rados_completion{nullptr}; | |
3386 | int manager_shard_id{-1}; | |
3387 | RGWIndexCompletionManager *manager{nullptr}; | |
3388 | rgw_obj obj; | |
3389 | RGWModifyOp op; | |
3390 | string tag; | |
3391 | rgw_bucket_entry_ver ver; | |
3392 | cls_rgw_obj_key key; | |
3393 | rgw_bucket_dir_entry_meta dir_meta; | |
3394 | list<cls_rgw_obj_key> remove_objs; | |
3395 | bool log_op; | |
3396 | uint16_t bilog_op; | |
3397 | rgw_zone_set zones_trace; | |
3398 | ||
3399 | bool stopped{false}; | |
3400 | ||
3401 | void stop() { | |
3402 | Mutex::Locker l(lock); | |
3403 | stopped = true; | |
3404 | } | |
3405 | }; | |
3406 | ||
3407 | class RGWIndexCompletionThread : public RGWRadosThread { | |
3408 | RGWRados *store; | |
3409 | ||
3410 | uint64_t interval_msec() override { | |
3411 | return 0; | |
3412 | } | |
3413 | ||
3414 | list<complete_op_data *> completions; | |
3415 | ||
3416 | Mutex completions_lock; | |
3417 | public: | |
3418 | RGWIndexCompletionThread(RGWRados *_store) | |
3419 | : RGWRadosThread(_store, "index-complete"), store(_store), completions_lock("RGWIndexCompletionThread::completions_lock") {} | |
3420 | ||
3421 | int process() override; | |
3422 | ||
3423 | void add_completion(complete_op_data *completion) { | |
3424 | { | |
3425 | Mutex::Locker l(completions_lock); | |
3426 | completions.push_back(completion); | |
3427 | } | |
3428 | ||
3429 | signal(); | |
3430 | } | |
3431 | }; | |
3432 | ||
3433 | int RGWIndexCompletionThread::process() | |
3434 | { | |
3435 | list<complete_op_data *> comps; | |
3436 | ||
3437 | { | |
3438 | Mutex::Locker l(completions_lock); | |
3439 | completions.swap(comps); | |
3440 | } | |
3441 | ||
3442 | for (auto c : comps) { | |
3443 | std::unique_ptr<complete_op_data> up{c}; | |
3444 | ||
3445 | if (going_down()) { | |
3446 | continue; | |
3447 | } | |
3448 | ldout(store->ctx(), 20) << __func__ << "(): handling completion for key=" << c->key << dendl; | |
3449 | ||
3450 | RGWRados::BucketShard bs(store); | |
3451 | ||
3452 | int r = bs.init(c->obj.bucket, c->obj); | |
3453 | if (r < 0) { | |
3454 | ldout(cct, 0) << "ERROR: " << __func__ << "(): failed to initialize BucketShard, obj=" << c->obj << " r=" << r << dendl; | |
3455 | /* not much to do */ | |
3456 | continue; | |
3457 | } | |
3458 | ||
3459 | r = store->guard_reshard(&bs, c->obj, [&](RGWRados::BucketShard *bs) -> int { | |
3460 | librados::ObjectWriteOperation o; | |
3461 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); | |
3462 | cls_rgw_bucket_complete_op(o, c->op, c->tag, c->ver, c->key, c->dir_meta, &c->remove_objs, | |
3463 | c->log_op, c->bilog_op, &c->zones_trace); | |
3464 | ||
3465 | return bs->index_ctx.operate(bs->bucket_obj, &o); | |
3466 | }); | |
3467 | if (r < 0) { | |
3468 | ldout(cct, 0) << "ERROR: " << __func__ << "(): bucket index completion failed, obj=" << c->obj << " r=" << r << dendl; | |
3469 | /* ignoring error, can't do anything about it */ | |
3470 | continue; | |
3471 | } | |
3472 | r = store->data_log->add_entry(bs.bucket, bs.shard_id); | |
3473 | if (r < 0) { | |
3474 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
3475 | } | |
3476 | } | |
3477 | ||
3478 | return 0; | |
3479 | } | |
3480 | ||
3481 | class RGWIndexCompletionManager { | |
3482 | RGWRados *store{nullptr}; | |
3483 | vector<Mutex *> locks; | |
3484 | vector<set<complete_op_data *> > completions; | |
3485 | ||
3486 | RGWIndexCompletionThread *completion_thread{nullptr}; | |
3487 | ||
3488 | int num_shards; | |
3489 | ||
3490 | std::atomic<int> cur_shard {0}; | |
3491 | ||
3492 | ||
3493 | public: | |
3494 | RGWIndexCompletionManager(RGWRados *_store) : store(_store) { | |
3495 | num_shards = store->ctx()->_conf->rgw_thread_pool_size; | |
3496 | ||
3497 | for (int i = 0; i < num_shards; i++) { | |
3498 | char buf[64]; | |
3499 | snprintf(buf, sizeof(buf), "RGWIndexCompletionManager::lock::%d", i); | |
3500 | locks.push_back(new Mutex(buf)); | |
3501 | } | |
3502 | ||
3503 | completions.resize(num_shards); | |
3504 | } | |
3505 | ~RGWIndexCompletionManager() { | |
3506 | stop(); | |
3507 | ||
3508 | for (auto l : locks) { | |
3509 | delete l; | |
3510 | } | |
3511 | } | |
3512 | ||
3513 | int next_shard() { | |
3514 | int result = cur_shard % num_shards; | |
3515 | cur_shard++; | |
3516 | return result; | |
3517 | } | |
3518 | ||
3519 | void create_completion(const rgw_obj& obj, | |
3520 | RGWModifyOp op, string& tag, | |
3521 | rgw_bucket_entry_ver& ver, | |
3522 | const cls_rgw_obj_key& key, | |
3523 | rgw_bucket_dir_entry_meta& dir_meta, | |
3524 | list<cls_rgw_obj_key> *remove_objs, bool log_op, | |
3525 | uint16_t bilog_op, | |
3526 | rgw_zone_set *zones_trace, | |
3527 | complete_op_data **result); | |
3528 | bool handle_completion(completion_t cb, complete_op_data *arg); | |
3529 | ||
3530 | int start() { | |
3531 | completion_thread = new RGWIndexCompletionThread(store); | |
3532 | int ret = completion_thread->init(); | |
3533 | if (ret < 0) { | |
3534 | return ret; | |
3535 | } | |
3536 | completion_thread->start(); | |
3537 | return 0; | |
3538 | } | |
3539 | void stop() { | |
3540 | if (completion_thread) { | |
3541 | completion_thread->stop(); | |
3542 | delete completion_thread; | |
3543 | } | |
3544 | ||
3545 | for (int i = 0; i < num_shards; ++i) { | |
3546 | Mutex::Locker l(*locks[i]); | |
3547 | for (auto c : completions[i]) { | |
3548 | Mutex::Locker cl(c->lock); | |
3549 | c->stop(); | |
3550 | } | |
3551 | } | |
3552 | completions.clear(); | |
3553 | } | |
3554 | }; | |
3555 | ||
3556 | static void obj_complete_cb(completion_t cb, void *arg) | |
3557 | { | |
3558 | complete_op_data *completion = (complete_op_data *)arg; | |
3559 | completion->lock.Lock(); | |
3560 | if (completion->stopped) { | |
3561 | completion->lock.Unlock(); /* can drop lock, no one else is referencing us */ | |
3562 | delete completion; | |
3563 | return; | |
3564 | } | |
3565 | bool need_delete = completion->manager->handle_completion(cb, completion); | |
3566 | completion->lock.Unlock(); | |
3567 | if (need_delete) { | |
3568 | delete completion; | |
3569 | } | |
3570 | } | |
3571 | ||
3572 | ||
3573 | void RGWIndexCompletionManager::create_completion(const rgw_obj& obj, | |
3574 | RGWModifyOp op, string& tag, | |
3575 | rgw_bucket_entry_ver& ver, | |
3576 | const cls_rgw_obj_key& key, | |
3577 | rgw_bucket_dir_entry_meta& dir_meta, | |
3578 | list<cls_rgw_obj_key> *remove_objs, bool log_op, | |
3579 | uint16_t bilog_op, | |
3580 | rgw_zone_set *zones_trace, | |
3581 | complete_op_data **result) | |
3582 | { | |
3583 | complete_op_data *entry = new complete_op_data; | |
3584 | ||
3585 | int shard_id = next_shard(); | |
3586 | ||
3587 | entry->manager_shard_id = shard_id; | |
3588 | entry->manager = this; | |
3589 | entry->obj = obj; | |
3590 | entry->op = op; | |
3591 | entry->tag = tag; | |
3592 | entry->ver = ver; | |
3593 | entry->key = key; | |
3594 | entry->dir_meta = dir_meta; | |
3595 | entry->log_op = log_op; | |
3596 | entry->bilog_op = bilog_op; | |
3597 | ||
3598 | if (remove_objs) { | |
3599 | for (auto iter = remove_objs->begin(); iter != remove_objs->end(); ++iter) { | |
3600 | entry->remove_objs.push_back(*iter); | |
3601 | } | |
3602 | } | |
3603 | ||
3604 | if (zones_trace) { | |
3605 | entry->zones_trace = *zones_trace; | |
3606 | } else { | |
3607 | entry->zones_trace.insert(store->get_zone().id); | |
3608 | } | |
3609 | ||
3610 | *result = entry; | |
3611 | ||
3612 | entry->rados_completion = librados::Rados::aio_create_completion(entry, NULL, obj_complete_cb); | |
3613 | ||
3614 | Mutex::Locker l(*locks[shard_id]); | |
3615 | completions[shard_id].insert(entry); | |
3616 | } | |
3617 | ||
3618 | bool RGWIndexCompletionManager::handle_completion(completion_t cb, complete_op_data *arg) | |
3619 | { | |
3620 | int shard_id = arg->manager_shard_id; | |
3621 | { | |
3622 | Mutex::Locker l(*locks[shard_id]); | |
3623 | ||
3624 | auto& comps = completions[shard_id]; | |
3625 | ||
3626 | auto iter = comps.find(arg); | |
3627 | if (iter == comps.end()) { | |
3628 | return true; | |
3629 | } | |
3630 | ||
3631 | comps.erase(iter); | |
3632 | } | |
3633 | ||
3634 | int r = rados_aio_get_return_value(cb); | |
3635 | if (r != -ERR_BUSY_RESHARDING) { | |
3636 | return true; | |
3637 | } | |
3638 | completion_thread->add_completion(arg); | |
3639 | return false; | |
3640 | } | |
3641 | ||
7c673cae FG |
3642 | void RGWRados::finalize() |
3643 | { | |
3644 | if (run_sync_thread) { | |
3645 | Mutex::Locker l(meta_sync_thread_lock); | |
3646 | meta_sync_processor_thread->stop(); | |
3647 | ||
3648 | Mutex::Locker dl(data_sync_thread_lock); | |
3649 | for (auto iter : data_sync_processor_threads) { | |
3650 | RGWDataSyncProcessorThread *thread = iter.second; | |
3651 | thread->stop(); | |
3652 | } | |
3653 | if (sync_log_trimmer) { | |
3654 | sync_log_trimmer->stop(); | |
3655 | } | |
3656 | } | |
3657 | if (async_rados) { | |
3658 | async_rados->stop(); | |
3659 | } | |
3660 | if (run_sync_thread) { | |
3661 | delete meta_sync_processor_thread; | |
3662 | meta_sync_processor_thread = NULL; | |
3663 | Mutex::Locker dl(data_sync_thread_lock); | |
3664 | for (auto iter : data_sync_processor_threads) { | |
3665 | RGWDataSyncProcessorThread *thread = iter.second; | |
3666 | delete thread; | |
3667 | } | |
3668 | data_sync_processor_threads.clear(); | |
3669 | delete sync_log_trimmer; | |
3670 | sync_log_trimmer = nullptr; | |
3671 | } | |
3672 | if (finisher) { | |
3673 | finisher->stop(); | |
3674 | } | |
3675 | if (need_watch_notify()) { | |
3676 | finalize_watch(); | |
3677 | } | |
3678 | if (finisher) { | |
3679 | /* delete finisher only after cleaning up watches, as watch error path might call | |
3680 | * into finisher. We stop finisher before finalizing watch to make sure we don't | |
3681 | * actually handle any racing work | |
3682 | */ | |
3683 | delete finisher; | |
3684 | } | |
3685 | if (meta_notifier) { | |
3686 | meta_notifier->stop(); | |
3687 | delete meta_notifier; | |
3688 | } | |
3689 | if (data_notifier) { | |
3690 | data_notifier->stop(); | |
3691 | delete data_notifier; | |
3692 | } | |
3693 | delete data_log; | |
3694 | if (async_rados) { | |
3695 | delete async_rados; | |
3696 | } | |
3697 | if (use_gc_thread) { | |
3698 | gc->stop_processor(); | |
3699 | obj_expirer->stop_processor(); | |
3700 | } | |
3701 | delete gc; | |
3702 | gc = NULL; | |
3703 | ||
3704 | if (use_lc_thread) { | |
3705 | lc->stop_processor(); | |
3706 | } | |
3707 | delete lc; | |
3708 | lc = NULL; | |
3709 | ||
3710 | delete obj_expirer; | |
3711 | obj_expirer = NULL; | |
3712 | ||
3713 | delete rest_master_conn; | |
3714 | ||
3715 | map<string, RGWRESTConn *>::iterator iter; | |
3716 | for (iter = zone_conn_map.begin(); iter != zone_conn_map.end(); ++iter) { | |
3717 | RGWRESTConn *conn = iter->second; | |
3718 | delete conn; | |
3719 | } | |
3720 | ||
3721 | for (iter = zonegroup_conn_map.begin(); iter != zonegroup_conn_map.end(); ++iter) { | |
3722 | RGWRESTConn *conn = iter->second; | |
3723 | delete conn; | |
3724 | } | |
3725 | RGWQuotaHandler::free_handler(quota_handler); | |
3726 | if (cr_registry) { | |
3727 | cr_registry->put(); | |
3728 | } | |
3729 | delete meta_mgr; | |
3730 | delete binfo_cache; | |
3731 | delete obj_tombstone_cache; | |
3732 | delete sync_modules_manager; | |
31f18b77 FG |
3733 | |
3734 | if (reshard_wait.get()) { | |
3735 | reshard_wait->stop(); | |
3736 | reshard_wait.reset(); | |
3737 | } | |
3738 | ||
3739 | if (run_reshard_thread) { | |
3740 | reshard->stop_processor(); | |
3741 | } | |
3742 | delete reshard; | |
3743 | delete index_completion_manager; | |
7c673cae FG |
3744 | } |
3745 | ||
3746 | /** | |
3747 | * Initialize the RADOS instance and prepare to do other ops | |
3748 | * Returns 0 on success, -ERR# on failure. | |
3749 | */ | |
3750 | int RGWRados::init_rados() | |
3751 | { | |
3752 | int ret = 0; | |
3753 | auto handles = std::vector<librados::Rados>{cct->_conf->rgw_num_rados_handles}; | |
3754 | ||
3755 | for (auto& r : handles) { | |
3756 | ret = r.init_with_context(cct); | |
3757 | if (ret < 0) { | |
3758 | return ret; | |
3759 | } | |
3760 | ||
3761 | ret = r.connect(); | |
3762 | if (ret < 0) { | |
3763 | return ret; | |
3764 | } | |
3765 | } | |
3766 | ||
3767 | sync_modules_manager = new RGWSyncModulesManager(); | |
3768 | ||
3769 | rgw_register_sync_modules(sync_modules_manager); | |
3770 | ||
3771 | auto crs = std::unique_ptr<RGWCoroutinesManagerRegistry>{ | |
3772 | new RGWCoroutinesManagerRegistry(cct)}; | |
3773 | ret = crs->hook_to_admin_command("cr dump"); | |
3774 | if (ret < 0) { | |
3775 | return ret; | |
3776 | } | |
3777 | ||
3778 | meta_mgr = new RGWMetadataManager(cct, this); | |
3779 | data_log = new RGWDataChangesLog(cct, this); | |
3780 | cr_registry = crs.release(); | |
3781 | ||
3782 | std::swap(handles, rados); | |
3783 | return ret; | |
3784 | } | |
3785 | ||
3786 | /** | |
3787 | * Add new connection to connections map | |
3788 | * @param zonegroup_conn_map map which new connection will be added to | |
3789 | * @param zonegroup zonegroup which new connection will connect to | |
3790 | * @param new_connection pointer to new connection instance | |
3791 | */ | |
3792 | static void add_new_connection_to_map(map<string, RGWRESTConn *> &zonegroup_conn_map, | |
3793 | const RGWZoneGroup &zonegroup, RGWRESTConn *new_connection) | |
3794 | { | |
3795 | // Delete if connection is already exists | |
3796 | map<string, RGWRESTConn *>::iterator iterZoneGroup = zonegroup_conn_map.find(zonegroup.get_id()); | |
3797 | if (iterZoneGroup != zonegroup_conn_map.end()) { | |
3798 | delete iterZoneGroup->second; | |
3799 | } | |
3800 | ||
3801 | // Add new connection to connections map | |
3802 | zonegroup_conn_map[zonegroup.get_id()] = new_connection; | |
3803 | } | |
3804 | ||
3805 | int RGWRados::convert_regionmap() | |
3806 | { | |
3807 | RGWZoneGroupMap zonegroupmap; | |
3808 | ||
3809 | string pool_name = cct->_conf->rgw_zone_root_pool; | |
3810 | if (pool_name.empty()) { | |
3811 | pool_name = RGW_DEFAULT_ZONE_ROOT_POOL; | |
3812 | } | |
3813 | string oid = region_map_oid; | |
3814 | ||
3815 | rgw_pool pool(pool_name); | |
3816 | bufferlist bl; | |
3817 | RGWObjectCtx obj_ctx(this); | |
3818 | int ret = rgw_get_system_obj(this, obj_ctx, pool, oid, bl, NULL, NULL); | |
3819 | if (ret < 0 && ret != -ENOENT) { | |
3820 | return ret; | |
3821 | } else if (ret == -ENOENT) { | |
3822 | return 0; | |
3823 | } | |
3824 | ||
3825 | try { | |
3826 | bufferlist::iterator iter = bl.begin(); | |
3827 | ::decode(zonegroupmap, iter); | |
3828 | } catch (buffer::error& err) { | |
3829 | ldout(cct, 0) << "error decoding regionmap from " << pool << ":" << oid << dendl; | |
3830 | return -EIO; | |
3831 | } | |
3832 | ||
3833 | for (map<string, RGWZoneGroup>::iterator iter = zonegroupmap.zonegroups.begin(); | |
3834 | iter != zonegroupmap.zonegroups.end(); ++iter) { | |
3835 | RGWZoneGroup& zonegroup = iter->second; | |
3836 | ret = zonegroup.init(cct, this, false); | |
3837 | ret = zonegroup.update(); | |
3838 | if (ret < 0 && ret != -ENOENT) { | |
3839 | ldout(cct, 0) << "Error could not update zonegroup " << zonegroup.get_name() << ": " << | |
3840 | cpp_strerror(-ret) << dendl; | |
3841 | return ret; | |
3842 | } else if (ret == -ENOENT) { | |
3843 | ret = zonegroup.create(); | |
3844 | if (ret < 0) { | |
3845 | ldout(cct, 0) << "Error could not create " << zonegroup.get_name() << ": " << | |
3846 | cpp_strerror(-ret) << dendl; | |
3847 | return ret; | |
3848 | } | |
3849 | } | |
3850 | } | |
3851 | ||
3852 | current_period.set_user_quota(zonegroupmap.user_quota); | |
3853 | current_period.set_bucket_quota(zonegroupmap.bucket_quota); | |
3854 | ||
3855 | // remove the region_map so we don't try to convert again | |
3856 | rgw_raw_obj obj(pool, oid); | |
3857 | ret = delete_system_obj(obj); | |
3858 | if (ret < 0) { | |
3859 | ldout(cct, 0) << "Error could not remove " << obj | |
3860 | << " after upgrading to zonegroup map: " << cpp_strerror(ret) << dendl; | |
3861 | return ret; | |
3862 | } | |
3863 | ||
3864 | return 0; | |
3865 | } | |
3866 | ||
3867 | /** | |
3868 | * Replace all region configuration with zonegroup for | |
3869 | * backward compatability | |
3870 | * Returns 0 on success, -ERR# on failure. | |
3871 | */ | |
3872 | int RGWRados::replace_region_with_zonegroup() | |
3873 | { | |
3874 | /* copy default region */ | |
3875 | /* convert default region to default zonegroup */ | |
3876 | string default_oid = cct->_conf->rgw_default_region_info_oid; | |
3877 | if (default_oid.empty()) { | |
3878 | default_oid = default_region_info_oid; | |
3879 | } | |
3880 | ||
3881 | ||
3882 | RGWZoneGroup default_zonegroup; | |
3883 | rgw_pool pool{default_zonegroup.get_pool(cct)}; | |
3884 | string oid = "converted"; | |
3885 | bufferlist bl; | |
3886 | RGWObjectCtx obj_ctx(this); | |
3887 | ||
3888 | int ret = rgw_get_system_obj(this, obj_ctx, pool ,oid, bl, NULL, NULL); | |
3889 | if (ret < 0 && ret != -ENOENT) { | |
3890 | ldout(cct, 0) << __func__ << " failed to read converted: ret "<< ret << " " << cpp_strerror(-ret) | |
3891 | << dendl; | |
3892 | return ret; | |
3893 | } else if (ret != -ENOENT) { | |
3894 | ldout(cct, 20) << "System already converted " << dendl; | |
3895 | return 0; | |
3896 | } | |
3897 | ||
3898 | string default_region; | |
3899 | ret = default_zonegroup.init(cct, this, false, true); | |
3900 | if (ret < 0) { | |
3901 | ldout(cct, 0) << __func__ << " failed init default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3902 | return ret; | |
3903 | } | |
3904 | ret = default_zonegroup.read_default_id(default_region, true); | |
3905 | if (ret < 0 && ret != -ENOENT) { | |
3906 | ldout(cct, 0) << __func__ << " failed reading old default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3907 | return ret; | |
3908 | } | |
3909 | ||
3910 | /* convert regions to zonegroups */ | |
3911 | list<string> regions; | |
3912 | ret = list_regions(regions); | |
3913 | if (ret < 0 && ret != -ENOENT) { | |
3914 | ldout(cct, 0) << __func__ << " failed to list regions: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3915 | return ret; | |
3916 | } else if (ret == -ENOENT || regions.empty()) { | |
3917 | RGWZoneParams zoneparams(default_zone_name); | |
3918 | int ret = zoneparams.init(cct, this); | |
3919 | if (ret < 0 && ret != -ENOENT) { | |
3920 | ldout(cct, 0) << __func__ << ": error initializing default zone params: " << cpp_strerror(-ret) << dendl; | |
3921 | return ret; | |
3922 | } | |
3923 | /* update master zone */ | |
3924 | RGWZoneGroup default_zg(default_zonegroup_name); | |
3925 | ret = default_zg.init(cct, this); | |
3926 | if (ret < 0 && ret != -ENOENT) { | |
3927 | ldout(cct, 0) << __func__ << ": error in initializing default zonegroup: " << cpp_strerror(-ret) << dendl; | |
3928 | return ret; | |
3929 | } | |
3930 | if (ret != -ENOENT && default_zg.master_zone.empty()) { | |
3931 | default_zg.master_zone = zoneparams.get_id(); | |
3932 | return default_zg.update(); | |
3933 | } | |
3934 | return 0; | |
3935 | } | |
3936 | ||
3937 | string master_region, master_zone; | |
3938 | for (list<string>::iterator iter = regions.begin(); iter != regions.end(); ++iter) { | |
3939 | if (*iter != default_zonegroup_name){ | |
3940 | RGWZoneGroup region(*iter); | |
3941 | int ret = region.init(cct, this, true, true); | |
3942 | if (ret < 0) { | |
3943 | ldout(cct, 0) << __func__ << " failed init region "<< *iter << ": " << cpp_strerror(-ret) << dendl; | |
3944 | return ret; | |
3945 | } | |
31f18b77 | 3946 | if (region.is_master_zonegroup()) { |
7c673cae FG |
3947 | master_region = region.get_id(); |
3948 | master_zone = region.master_zone; | |
3949 | } | |
3950 | } | |
3951 | } | |
3952 | ||
3953 | /* create realm if there is none. | |
3954 | The realm name will be the region and zone concatenated | |
3955 | realm id will be mds of its name */ | |
3956 | if (realm.get_id().empty() && !master_region.empty() && !master_zone.empty()) { | |
3957 | string new_realm_name = master_region + "." + master_zone; | |
3958 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
3959 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
3960 | MD5 hash; | |
3961 | hash.Update((const byte *)new_realm_name.c_str(), new_realm_name.length()); | |
3962 | hash.Final(md5); | |
3963 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
3964 | string new_realm_id(md5_str); | |
3965 | RGWRealm new_realm(new_realm_id,new_realm_name); | |
3966 | ret = new_realm.init(cct, this, false); | |
3967 | if (ret < 0) { | |
3968 | ldout(cct, 0) << __func__ << " Error initing new realm: " << cpp_strerror(-ret) << dendl; | |
3969 | return ret; | |
3970 | } | |
3971 | ret = new_realm.create(); | |
3972 | if (ret < 0 && ret != -EEXIST) { | |
3973 | ldout(cct, 0) << __func__ << " Error creating new realm: " << cpp_strerror(-ret) << dendl; | |
3974 | return ret; | |
3975 | } | |
3976 | ret = new_realm.set_as_default(); | |
3977 | if (ret < 0) { | |
3978 | ldout(cct, 0) << __func__ << " Error setting realm as default: " << cpp_strerror(-ret) << dendl; | |
3979 | return ret; | |
3980 | } | |
3981 | ret = realm.init(cct, this); | |
3982 | if (ret < 0) { | |
3983 | ldout(cct, 0) << __func__ << " Error initing realm: " << cpp_strerror(-ret) << dendl; | |
3984 | return ret; | |
3985 | } | |
3986 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
3987 | if (ret < 0) { | |
3988 | ldout(cct, 0) << __func__ << " Error initing current period: " << cpp_strerror(-ret) << dendl; | |
3989 | return ret; | |
3990 | } | |
3991 | } | |
3992 | ||
3993 | list<string>::iterator iter; | |
3994 | /* create zonegroups */ | |
3995 | for (iter = regions.begin(); iter != regions.end(); ++iter) | |
3996 | { | |
3997 | ldout(cct, 0) << __func__ << "Converting " << *iter << dendl; | |
3998 | /* check to see if we don't have already a zonegroup with this name */ | |
3999 | RGWZoneGroup new_zonegroup(*iter); | |
4000 | ret = new_zonegroup.init(cct , this); | |
4001 | if (ret == 0 && new_zonegroup.get_id() != *iter) { | |
4002 | ldout(cct, 0) << __func__ << " zonegroup "<< *iter << " already exists id " << new_zonegroup.get_id () << | |
4003 | " skipping conversion " << dendl; | |
4004 | continue; | |
4005 | } | |
4006 | RGWZoneGroup zonegroup(*iter); | |
4007 | zonegroup.set_id(*iter); | |
4008 | int ret = zonegroup.init(cct, this, true, true); | |
4009 | if (ret < 0) { | |
4010 | ldout(cct, 0) << __func__ << " failed init zonegroup: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4011 | return ret; | |
4012 | } | |
4013 | zonegroup.realm_id = realm.get_id(); | |
4014 | /* fix default region master zone */ | |
4015 | if (*iter == default_zonegroup_name && zonegroup.master_zone.empty()) { | |
4016 | ldout(cct, 0) << __func__ << " Setting default zone as master for default region" << dendl; | |
4017 | zonegroup.master_zone = default_zone_name; | |
4018 | } | |
4019 | ret = zonegroup.update(); | |
4020 | if (ret < 0 && ret != -EEXIST) { | |
4021 | ldout(cct, 0) << __func__ << " failed to update zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4022 | << dendl; | |
4023 | return ret; | |
4024 | } | |
4025 | ret = zonegroup.update_name(); | |
4026 | if (ret < 0 && ret != -EEXIST) { | |
4027 | ldout(cct, 0) << __func__ << " failed to update_name for zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4028 | << dendl; | |
4029 | return ret; | |
4030 | } | |
4031 | if (zonegroup.get_name() == default_region) { | |
4032 | ret = zonegroup.set_as_default(); | |
4033 | if (ret < 0) { | |
4034 | ldout(cct, 0) << __func__ << " failed to set_as_default " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4035 | << dendl; | |
4036 | return ret; | |
4037 | } | |
4038 | } | |
4039 | for (map<string, RGWZone>::const_iterator iter = zonegroup.zones.begin(); iter != zonegroup.zones.end(); | |
4040 | ++iter) { | |
4041 | ldout(cct, 0) << __func__ << " Converting zone" << iter->first << dendl; | |
4042 | RGWZoneParams zoneparams(iter->first, iter->first); | |
4043 | zoneparams.set_id(iter->first); | |
4044 | zoneparams.realm_id = realm.get_id(); | |
4045 | ret = zoneparams.init(cct, this); | |
4046 | if (ret < 0 && ret != -ENOENT) { | |
4047 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4048 | return ret; | |
4049 | } else if (ret == -ENOENT) { | |
4050 | ldout(cct, 0) << __func__ << " zone is part of another cluster " << iter->first << " skipping " << dendl; | |
4051 | continue; | |
4052 | } | |
4053 | zonegroup.realm_id = realm.get_id(); | |
4054 | ret = zoneparams.update(); | |
4055 | if (ret < 0 && ret != -EEXIST) { | |
4056 | ldout(cct, 0) << __func__ << " failed to update zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4057 | return ret; | |
4058 | } | |
4059 | ret = zoneparams.update_name(); | |
4060 | if (ret < 0 && ret != -EEXIST) { | |
4061 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
4062 | return ret; | |
4063 | } | |
4064 | } | |
4065 | ||
4066 | if (!current_period.get_id().empty()) { | |
4067 | ret = current_period.add_zonegroup(zonegroup); | |
4068 | if (ret < 0) { | |
4069 | ldout(cct, 0) << __func__ << " failed to add zonegroup to current_period: " << cpp_strerror(-ret) << dendl; | |
4070 | return ret; | |
4071 | } | |
4072 | } | |
4073 | } | |
4074 | ||
4075 | if (!current_period.get_id().empty()) { | |
4076 | ret = current_period.update(); | |
4077 | if (ret < 0) { | |
4078 | ldout(cct, 0) << __func__ << " failed to update new period: " << cpp_strerror(-ret) << dendl; | |
4079 | return ret; | |
4080 | } | |
4081 | ret = current_period.store_info(false); | |
4082 | if (ret < 0) { | |
4083 | ldout(cct, 0) << __func__ << " failed to store new period: " << cpp_strerror(-ret) << dendl; | |
4084 | return ret; | |
4085 | } | |
4086 | ret = current_period.reflect(); | |
4087 | if (ret < 0) { | |
4088 | ldout(cct, 0) << __func__ << " failed to update local objects: " << cpp_strerror(-ret) << dendl; | |
4089 | return ret; | |
4090 | } | |
4091 | } | |
4092 | ||
4093 | for (auto const& iter : regions) { | |
4094 | RGWZoneGroup zonegroup(iter); | |
4095 | int ret = zonegroup.init(cct, this, true, true); | |
4096 | if (ret < 0) { | |
4097 | ldout(cct, 0) << __func__ << " failed init zonegroup" << iter << ": ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4098 | return ret; | |
4099 | } | |
4100 | ret = zonegroup.delete_obj(true); | |
4101 | if (ret < 0 && ret != -ENOENT) { | |
4102 | ldout(cct, 0) << __func__ << " failed to delete region " << iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
4103 | << dendl; | |
4104 | return ret; | |
4105 | } | |
4106 | } | |
4107 | ||
4108 | /* mark as converted */ | |
4109 | ret = rgw_put_system_obj(this, pool, oid, bl.c_str(), bl.length(), | |
4110 | true, NULL, real_time(), NULL); | |
4111 | if (ret < 0 ) { | |
4112 | ldout(cct, 0) << __func__ << " failed to mark cluster as converted: ret "<< ret << " " << cpp_strerror(-ret) | |
4113 | << dendl; | |
4114 | return ret; | |
4115 | } | |
4116 | ||
4117 | return 0; | |
4118 | } | |
4119 | ||
4120 | int RGWRados::init_zg_from_period(bool *initialized) | |
4121 | { | |
4122 | *initialized = false; | |
4123 | ||
4124 | if (current_period.get_id().empty()) { | |
4125 | return 0; | |
4126 | } | |
4127 | ||
4128 | int ret = zonegroup.init(cct, this); | |
4129 | ldout(cct, 20) << "period zonegroup init ret " << ret << dendl; | |
4130 | if (ret == -ENOENT) { | |
4131 | return 0; | |
4132 | } | |
4133 | if (ret < 0) { | |
4134 | ldout(cct, 0) << "failed reading zonegroup info: " << cpp_strerror(-ret) << dendl; | |
4135 | return ret; | |
4136 | } | |
4137 | ldout(cct, 20) << "period zonegroup name " << zonegroup.get_name() << dendl; | |
4138 | ||
4139 | map<string, RGWZoneGroup>::const_iterator iter = | |
4140 | current_period.get_map().zonegroups.find(zonegroup.get_id()); | |
4141 | ||
4142 | if (iter != current_period.get_map().zonegroups.end()) { | |
4143 | ldout(cct, 20) << "using current period zonegroup " << zonegroup.get_name() << dendl; | |
4144 | zonegroup = iter->second; | |
4145 | ret = zonegroup.init(cct, this, false); | |
4146 | if (ret < 0) { | |
4147 | ldout(cct, 0) << "failed init zonegroup: " << " " << cpp_strerror(-ret) << dendl; | |
4148 | return ret; | |
4149 | } | |
4150 | ret = zone_params.init(cct, this); | |
4151 | if (ret < 0 && ret != -ENOENT) { | |
4152 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
4153 | return ret; | |
4154 | } if (ret ==-ENOENT && zonegroup.get_name() == default_zonegroup_name) { | |
4155 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
4156 | zone_params.set_name(default_zone_name); | |
4157 | ret = zone_params.init(cct, this); | |
4158 | if (ret < 0 && ret != -ENOENT) { | |
4159 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
4160 | return ret; | |
4161 | } | |
4162 | } | |
4163 | } | |
4164 | for (iter = current_period.get_map().zonegroups.begin(); | |
4165 | iter != current_period.get_map().zonegroups.end(); ++iter){ | |
4166 | const RGWZoneGroup& zg = iter->second; | |
4167 | // use endpoints from the zonegroup's master zone | |
4168 | auto master = zg.zones.find(zg.master_zone); | |
4169 | if (master == zg.zones.end()) { | |
4170 | // fix missing master zone for a single zone zonegroup | |
4171 | if (zg.master_zone.empty() && zg.zones.size() == 1) { | |
4172 | master = zg.zones.begin(); | |
4173 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing master_zone, setting zone " << | |
4174 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
4175 | if (zonegroup.get_id() == zg.get_id()) { | |
4176 | zonegroup.master_zone = master->second.id; | |
4177 | ret = zonegroup.update(); | |
4178 | if (ret < 0) { | |
4179 | ldout(cct, 0) << "error updating zonegroup : " << cpp_strerror(-ret) << dendl; | |
4180 | return ret; | |
4181 | } | |
4182 | } else { | |
4183 | RGWZoneGroup fixed_zg(zg.get_id(),zg.get_name()); | |
4184 | ret = fixed_zg.init(cct, this); | |
4185 | if (ret < 0) { | |
4186 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4187 | return ret; | |
4188 | } | |
4189 | fixed_zg.master_zone = master->second.id; | |
4190 | ret = fixed_zg.update(); | |
4191 | if (ret < 0) { | |
4192 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4193 | return ret; | |
4194 | } | |
4195 | } | |
4196 | } else { | |
4197 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing zone for master_zone=" << | |
4198 | zg.master_zone << dendl; | |
4199 | return -EINVAL; | |
4200 | } | |
4201 | } | |
4202 | const auto& endpoints = master->second.endpoints; | |
4203 | add_new_connection_to_map(zonegroup_conn_map, zg, new RGWRESTConn(cct, this, zg.get_id(), endpoints)); | |
4204 | if (!current_period.get_master_zonegroup().empty() && | |
4205 | zg.get_id() == current_period.get_master_zonegroup()) { | |
4206 | rest_master_conn = new RGWRESTConn(cct, this, zg.get_id(), endpoints); | |
4207 | } | |
4208 | } | |
4209 | ||
4210 | *initialized = true; | |
4211 | ||
4212 | return 0; | |
4213 | } | |
4214 | ||
4215 | int RGWRados::init_zg_from_local(bool *creating_defaults) | |
4216 | { | |
4217 | int ret = zonegroup.init(cct, this); | |
4218 | if ( (ret < 0 && ret != -ENOENT) || (ret == -ENOENT && !cct->_conf->rgw_zonegroup.empty())) { | |
4219 | ldout(cct, 0) << "failed reading zonegroup info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4220 | return ret; | |
4221 | } else if (ret == -ENOENT) { | |
4222 | *creating_defaults = true; | |
4223 | ldout(cct, 10) << "Creating default zonegroup " << dendl; | |
4224 | ret = zonegroup.create_default(); | |
4225 | if (ret < 0) { | |
4226 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
4227 | << dendl; | |
4228 | return ret; | |
4229 | } | |
4230 | ret = zonegroup.init(cct, this); | |
4231 | if (ret < 0) { | |
4232 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
4233 | << dendl; | |
4234 | return ret; | |
4235 | } | |
4236 | } | |
4237 | ldout(cct, 20) << "zonegroup " << zonegroup.get_name() << dendl; | |
31f18b77 | 4238 | if (zonegroup.is_master_zonegroup()) { |
7c673cae FG |
4239 | // use endpoints from the zonegroup's master zone |
4240 | auto master = zonegroup.zones.find(zonegroup.master_zone); | |
4241 | if (master == zonegroup.zones.end()) { | |
4242 | // fix missing master zone for a single zone zonegroup | |
4243 | if (zonegroup.master_zone.empty() && zonegroup.zones.size() == 1) { | |
4244 | master = zonegroup.zones.begin(); | |
4245 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing master_zone, setting zone " << | |
4246 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
4247 | zonegroup.master_zone = master->second.id; | |
4248 | ret = zonegroup.update(); | |
4249 | if (ret < 0) { | |
4250 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
4251 | return ret; | |
4252 | } | |
4253 | } else { | |
4254 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing zone for " | |
4255 | "master_zone=" << zonegroup.master_zone << dendl; | |
4256 | return -EINVAL; | |
4257 | } | |
4258 | } | |
4259 | const auto& endpoints = master->second.endpoints; | |
4260 | rest_master_conn = new RGWRESTConn(cct, this, zonegroup.get_id(), endpoints); | |
4261 | } | |
4262 | ||
4263 | return 0; | |
4264 | } | |
4265 | ||
4266 | ||
4267 | bool RGWRados::zone_syncs_from(RGWZone& target_zone, RGWZone& source_zone) | |
4268 | { | |
4269 | return target_zone.syncs_from(source_zone.name) && | |
4270 | sync_modules_manager->supports_data_export(source_zone.tier_type); | |
4271 | } | |
4272 | ||
4273 | /** | |
4274 | * Initialize the RADOS instance and prepare to do other ops | |
4275 | * Returns 0 on success, -ERR# on failure. | |
4276 | */ | |
4277 | int RGWRados::init_complete() | |
4278 | { | |
4279 | int ret = realm.init(cct, this); | |
4280 | if (ret < 0 && ret != -ENOENT) { | |
4281 | ldout(cct, 0) << "failed reading realm info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4282 | return ret; | |
4283 | } else if (ret != -ENOENT) { | |
4284 | ldout(cct, 20) << "realm " << realm.get_name() << " " << realm.get_id() << dendl; | |
4285 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
4286 | if (ret < 0 && ret != -ENOENT) { | |
4287 | ldout(cct, 0) << "failed reading current period info: " << " " << cpp_strerror(-ret) << dendl; | |
4288 | return ret; | |
4289 | } | |
4290 | ldout(cct, 20) << "current period " << current_period.get_id() << dendl; | |
4291 | } | |
4292 | ||
4293 | ret = replace_region_with_zonegroup(); | |
4294 | if (ret < 0) { | |
4295 | lderr(cct) << "failed converting region to zonegroup : ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4296 | return ret; | |
4297 | } | |
4298 | ||
4299 | ret = convert_regionmap(); | |
4300 | if (ret < 0) { | |
4301 | lderr(cct) << "failed converting regionmap: " << cpp_strerror(-ret) << dendl; | |
4302 | return ret; | |
4303 | } | |
4304 | ||
4305 | bool zg_initialized = false; | |
4306 | ||
4307 | if (!current_period.get_id().empty()) { | |
4308 | ret = init_zg_from_period(&zg_initialized); | |
4309 | if (ret < 0) { | |
4310 | return ret; | |
4311 | } | |
4312 | } | |
4313 | ||
4314 | bool creating_defaults = false; | |
4315 | bool using_local = (!zg_initialized); | |
4316 | if (using_local) { | |
4317 | ldout(cct, 10) << " cannot find current period zonegroup using local zonegroup" << dendl; | |
4318 | ret = init_zg_from_local(&creating_defaults); | |
4319 | if (ret < 0) { | |
4320 | return ret; | |
4321 | } | |
4322 | // read period_config into current_period | |
4323 | auto& period_config = current_period.get_config(); | |
4324 | ret = period_config.read(this, zonegroup.realm_id); | |
4325 | if (ret < 0 && ret != -ENOENT) { | |
4326 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
4327 | << cpp_strerror(ret) << dendl; | |
4328 | return ret; | |
4329 | } | |
4330 | } | |
4331 | ||
4332 | ldout(cct, 10) << "Cannot find current period zone using local zone" << dendl; | |
4333 | if (creating_defaults && cct->_conf->rgw_zone.empty()) { | |
4334 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
4335 | zone_params.set_name(default_zone_name); | |
4336 | } | |
4337 | ||
4338 | ret = zone_params.init(cct, this); | |
4339 | if (ret < 0 && ret != -ENOENT) { | |
4340 | lderr(cct) << "failed reading zone info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4341 | return ret; | |
4342 | } | |
4343 | map<string, RGWZone>::iterator zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4344 | if (zone_iter == get_zonegroup().zones.end()) { | |
4345 | if (using_local) { | |
4346 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4347 | return -EINVAL; | |
4348 | } | |
4349 | ldout(cct, 1) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << "), switching to local zonegroup configuration" << dendl; | |
4350 | ret = init_zg_from_local(&creating_defaults); | |
4351 | if (ret < 0) { | |
4352 | return ret; | |
4353 | } | |
4354 | zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4355 | } | |
4356 | if (zone_iter != get_zonegroup().zones.end()) { | |
4357 | zone_public_config = zone_iter->second; | |
4358 | ldout(cct, 20) << "zone " << zone_params.get_name() << dendl; | |
4359 | } else { | |
4360 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4361 | return -EINVAL; | |
4362 | } | |
4363 | ||
4364 | zone_short_id = current_period.get_map().get_zone_short_id(zone_params.get_id()); | |
4365 | ||
31f18b77 FG |
4366 | if (run_sync_thread) { |
4367 | ret = sync_modules_manager->create_instance(cct, zone_public_config.tier_type, zone_params.tier_config, &sync_module); | |
4368 | if (ret < 0) { | |
4369 | lderr(cct) << "ERROR: failed to init sync module instance, ret=" << ret << dendl; | |
4370 | return ret; | |
4371 | } | |
7c673cae FG |
4372 | } |
4373 | ||
4374 | writeable_zone = (zone_public_config.tier_type.empty() || zone_public_config.tier_type == "rgw"); | |
4375 | ||
4376 | init_unique_trans_id_deps(); | |
4377 | ||
4378 | finisher = new Finisher(cct); | |
4379 | finisher->start(); | |
4380 | ||
4381 | period_puller.reset(new RGWPeriodPuller(this)); | |
4382 | period_history.reset(new RGWPeriodHistory(cct, period_puller.get(), | |
4383 | current_period)); | |
4384 | ||
4385 | if (need_watch_notify()) { | |
4386 | ret = init_watch(); | |
4387 | if (ret < 0) { | |
4388 | lderr(cct) << "ERROR: failed to initialize watch: " << cpp_strerror(-ret) << dendl; | |
4389 | return ret; | |
4390 | } | |
4391 | } | |
4392 | ||
4393 | /* first build all zones index */ | |
4394 | for (auto ziter : get_zonegroup().zones) { | |
4395 | const string& id = ziter.first; | |
4396 | RGWZone& z = ziter.second; | |
4397 | zone_id_by_name[z.name] = id; | |
4398 | zone_by_id[id] = z; | |
4399 | } | |
31f18b77 | 4400 | |
7c673cae FG |
4401 | if (zone_by_id.find(zone_id()) == zone_by_id.end()) { |
4402 | ldout(cct, 0) << "WARNING: could not find zone config in zonegroup for local zone (" << zone_id() << "), will use defaults" << dendl; | |
4403 | } | |
4404 | zone_public_config = zone_by_id[zone_id()]; | |
4405 | for (auto ziter : get_zonegroup().zones) { | |
4406 | const string& id = ziter.first; | |
4407 | RGWZone& z = ziter.second; | |
4408 | if (id == zone_id()) { | |
4409 | continue; | |
4410 | } | |
4411 | if (z.endpoints.empty()) { | |
4412 | ldout(cct, 0) << "WARNING: can't generate connection for zone " << z.id << " id " << z.name << ": no endpoints defined" << dendl; | |
4413 | continue; | |
4414 | } | |
4415 | ldout(cct, 20) << "generating connection object for zone " << z.name << " id " << z.id << dendl; | |
4416 | RGWRESTConn *conn = new RGWRESTConn(cct, this, z.id, z.endpoints); | |
4417 | zone_conn_map[id] = conn; | |
4418 | if (zone_syncs_from(zone_public_config, z) || | |
4419 | zone_syncs_from(z, zone_public_config)) { | |
4420 | if (zone_syncs_from(zone_public_config, z)) { | |
4421 | zone_data_sync_from_map[id] = conn; | |
4422 | } | |
4423 | if (zone_syncs_from(z, zone_public_config)) { | |
4424 | zone_data_notify_to_map[id] = conn; | |
4425 | } | |
4426 | } else { | |
4427 | ldout(cct, 20) << "NOTICE: not syncing to/from zone " << z.name << " id " << z.id << dendl; | |
4428 | } | |
4429 | } | |
4430 | ||
4431 | ret = open_root_pool_ctx(); | |
4432 | if (ret < 0) | |
4433 | return ret; | |
4434 | ||
4435 | ret = open_gc_pool_ctx(); | |
4436 | if (ret < 0) | |
4437 | return ret; | |
4438 | ||
4439 | ret = open_lc_pool_ctx(); | |
4440 | if (ret < 0) | |
4441 | return ret; | |
4442 | ||
4443 | ret = open_objexp_pool_ctx(); | |
4444 | if (ret < 0) | |
4445 | return ret; | |
4446 | ||
31f18b77 FG |
4447 | ret = open_reshard_pool_ctx(); |
4448 | if (ret < 0) | |
4449 | return ret; | |
4450 | ||
7c673cae FG |
4451 | pools_initialized = true; |
4452 | ||
4453 | gc = new RGWGC(); | |
4454 | gc->initialize(cct, this); | |
4455 | ||
4456 | obj_expirer = new RGWObjectExpirer(this); | |
4457 | ||
4458 | if (use_gc_thread) { | |
4459 | gc->start_processor(); | |
4460 | obj_expirer->start_processor(); | |
4461 | } | |
4462 | ||
4463 | if (run_sync_thread) { | |
4464 | // initialize the log period history. we want to do this any time we're not | |
4465 | // running under radosgw-admin, so we check run_sync_thread here before | |
4466 | // disabling it based on the zone/zonegroup setup | |
4467 | meta_mgr->init_oldest_log_period(); | |
4468 | } | |
4469 | ||
4470 | /* no point of running sync thread if we don't have a master zone configured | |
4471 | or there is no rest_master_conn */ | |
4472 | if (get_zonegroup().master_zone.empty() || !rest_master_conn | |
4473 | || current_period.get_id().empty()) { | |
4474 | run_sync_thread = false; | |
4475 | } | |
4476 | ||
4477 | async_rados = new RGWAsyncRadosProcessor(this, cct->_conf->rgw_num_async_rados_threads); | |
4478 | async_rados->start(); | |
4479 | ||
4480 | ret = meta_mgr->init(current_period.get_id()); | |
4481 | if (ret < 0) { | |
4482 | lderr(cct) << "ERROR: failed to initialize metadata log: " | |
4483 | << cpp_strerror(-ret) << dendl; | |
4484 | return ret; | |
4485 | } | |
4486 | ||
4487 | if (is_meta_master()) { | |
4488 | auto md_log = meta_mgr->get_log(current_period.get_id()); | |
4489 | meta_notifier = new RGWMetaNotifier(this, md_log); | |
4490 | meta_notifier->start(); | |
4491 | } | |
4492 | ||
4493 | if (run_sync_thread) { | |
4494 | Mutex::Locker l(meta_sync_thread_lock); | |
4495 | meta_sync_processor_thread = new RGWMetaSyncProcessorThread(this, async_rados); | |
4496 | ret = meta_sync_processor_thread->init(); | |
4497 | if (ret < 0) { | |
4498 | ldout(cct, 0) << "ERROR: failed to initialize meta sync thread" << dendl; | |
4499 | return ret; | |
4500 | } | |
4501 | meta_sync_processor_thread->start(); | |
4502 | ||
4503 | Mutex::Locker dl(data_sync_thread_lock); | |
4504 | for (auto iter : zone_data_sync_from_map) { | |
4505 | ldout(cct, 5) << "starting data sync thread for zone " << iter.first << dendl; | |
4506 | RGWDataSyncProcessorThread *thread = new RGWDataSyncProcessorThread(this, async_rados, iter.first); | |
4507 | ret = thread->init(); | |
4508 | if (ret < 0) { | |
4509 | ldout(cct, 0) << "ERROR: failed to initialize data sync thread" << dendl; | |
4510 | return ret; | |
4511 | } | |
4512 | thread->start(); | |
4513 | data_sync_processor_threads[iter.first] = thread; | |
4514 | } | |
4515 | auto interval = cct->_conf->rgw_sync_log_trim_interval; | |
4516 | if (interval > 0) { | |
4517 | sync_log_trimmer = new RGWSyncLogTrimThread(this, interval); | |
4518 | ret = sync_log_trimmer->init(); | |
4519 | if (ret < 0) { | |
4520 | ldout(cct, 0) << "ERROR: failed to initialize sync log trim thread" << dendl; | |
4521 | return ret; | |
4522 | } | |
4523 | sync_log_trimmer->start(); | |
4524 | } | |
4525 | } | |
4526 | data_notifier = new RGWDataNotifier(this); | |
4527 | data_notifier->start(); | |
4528 | ||
4529 | lc = new RGWLC(); | |
4530 | lc->initialize(cct, this); | |
31f18b77 | 4531 | |
7c673cae FG |
4532 | if (use_lc_thread) |
4533 | lc->start_processor(); | |
31f18b77 | 4534 | |
7c673cae FG |
4535 | quota_handler = RGWQuotaHandler::generate_handler(this, quota_threads); |
4536 | ||
4537 | bucket_index_max_shards = (cct->_conf->rgw_override_bucket_index_max_shards ? cct->_conf->rgw_override_bucket_index_max_shards : | |
4538 | get_zone().bucket_index_max_shards); | |
31f18b77 FG |
4539 | if (bucket_index_max_shards > get_max_bucket_shards()) { |
4540 | bucket_index_max_shards = get_max_bucket_shards(); | |
7c673cae | 4541 | ldout(cct, 1) << __func__ << " bucket index max shards is too large, reset to value: " |
31f18b77 | 4542 | << get_max_bucket_shards() << dendl; |
7c673cae FG |
4543 | } |
4544 | ldout(cct, 20) << __func__ << " bucket index max shards: " << bucket_index_max_shards << dendl; | |
4545 | ||
4546 | binfo_cache = new RGWChainedCacheImpl<bucket_info_entry>; | |
4547 | binfo_cache->init(this); | |
4548 | ||
4549 | bool need_tombstone_cache = !zone_data_notify_to_map.empty(); /* have zones syncing from us */ | |
4550 | ||
4551 | if (need_tombstone_cache) { | |
4552 | obj_tombstone_cache = new tombstone_cache_t(cct->_conf->rgw_obj_tombstone_cache_size); | |
4553 | } | |
4554 | ||
31f18b77 FG |
4555 | reshard_wait = std::make_shared<RGWReshardWait>(this); |
4556 | ||
4557 | reshard = new RGWReshard(this); | |
4558 | ||
4559 | /* only the master zone in the zonegroup reshards buckets */ | |
4560 | run_reshard_thread = run_reshard_thread && (get_zonegroup().master_zone == zone_public_config.id); | |
4561 | if (run_reshard_thread) { | |
4562 | reshard->start_processor(); | |
4563 | } | |
4564 | ||
4565 | index_completion_manager = new RGWIndexCompletionManager(this); | |
4566 | ret = index_completion_manager->start(); | |
4567 | ||
7c673cae FG |
4568 | return ret; |
4569 | } | |
4570 | ||
4571 | /** | |
4572 | * Initialize the RADOS instance and prepare to do other ops | |
4573 | * Returns 0 on success, -ERR# on failure. | |
4574 | */ | |
4575 | int RGWRados::initialize() | |
4576 | { | |
4577 | int ret; | |
4578 | ||
4579 | ret = init_rados(); | |
4580 | if (ret < 0) | |
4581 | return ret; | |
4582 | ||
4583 | return init_complete(); | |
4584 | } | |
4585 | ||
4586 | void RGWRados::finalize_watch() | |
4587 | { | |
4588 | for (int i = 0; i < num_watchers; i++) { | |
4589 | RGWWatcher *watcher = watchers[i]; | |
4590 | watcher->unregister_watch(); | |
4591 | delete watcher; | |
4592 | } | |
4593 | ||
4594 | delete[] notify_oids; | |
4595 | delete[] watchers; | |
4596 | } | |
4597 | ||
4598 | void RGWRados::schedule_context(Context *c) { | |
4599 | finisher->queue(c); | |
4600 | } | |
4601 | ||
4602 | int RGWRados::list_raw_prefixed_objs(const rgw_pool& pool, const string& prefix, list<string>& result) | |
4603 | { | |
4604 | bool is_truncated; | |
4605 | RGWListRawObjsCtx ctx; | |
4606 | do { | |
4607 | list<string> oids; | |
4608 | int r = list_raw_objects(pool, prefix, 1000, | |
4609 | ctx, oids, &is_truncated); | |
4610 | if (r < 0) { | |
4611 | return r; | |
4612 | } | |
4613 | list<string>::iterator iter; | |
4614 | for (iter = oids.begin(); iter != oids.end(); ++iter) { | |
4615 | string& val = *iter; | |
4616 | if (val.size() > prefix.size()) | |
4617 | result.push_back(val.substr(prefix.size())); | |
4618 | } | |
4619 | } while (is_truncated); | |
4620 | ||
4621 | return 0; | |
4622 | } | |
4623 | ||
4624 | int RGWRados::list_regions(list<string>& regions) | |
4625 | { | |
4626 | RGWZoneGroup zonegroup; | |
4627 | ||
4628 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), region_info_oid_prefix, regions); | |
4629 | } | |
4630 | ||
4631 | int RGWRados::list_zonegroups(list<string>& zonegroups) | |
4632 | { | |
4633 | RGWZoneGroup zonegroup; | |
4634 | ||
4635 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), zonegroup_names_oid_prefix, zonegroups); | |
4636 | } | |
4637 | ||
4638 | int RGWRados::list_zones(list<string>& zones) | |
4639 | { | |
4640 | RGWZoneParams zoneparams; | |
4641 | ||
4642 | return list_raw_prefixed_objs(zoneparams.get_pool(cct), zone_names_oid_prefix, zones); | |
4643 | } | |
4644 | ||
4645 | int RGWRados::list_realms(list<string>& realms) | |
4646 | { | |
4647 | RGWRealm realm(cct, this); | |
4648 | return list_raw_prefixed_objs(realm.get_pool(cct), realm_names_oid_prefix, realms); | |
4649 | } | |
4650 | ||
4651 | int RGWRados::list_periods(list<string>& periods) | |
4652 | { | |
4653 | RGWPeriod period; | |
4654 | list<string> raw_periods; | |
4655 | int ret = list_raw_prefixed_objs(period.get_pool(cct), period.get_info_oid_prefix(), raw_periods); | |
4656 | if (ret < 0) { | |
4657 | return ret; | |
4658 | } | |
4659 | for (const auto& oid : raw_periods) { | |
4660 | size_t pos = oid.find("."); | |
4661 | if (pos != std::string::npos) { | |
4662 | periods.push_back(oid.substr(0, pos)); | |
4663 | } else { | |
4664 | periods.push_back(oid); | |
4665 | } | |
4666 | } | |
4667 | periods.sort(); // unique() only detects duplicates if they're adjacent | |
4668 | periods.unique(); | |
4669 | return 0; | |
4670 | } | |
4671 | ||
4672 | ||
4673 | int RGWRados::list_periods(const string& current_period, list<string>& periods) | |
4674 | { | |
4675 | int ret = 0; | |
4676 | string period_id = current_period; | |
4677 | while(!period_id.empty()) { | |
4678 | RGWPeriod period(period_id); | |
4679 | ret = period.init(cct, this); | |
4680 | if (ret < 0) { | |
4681 | return ret; | |
4682 | } | |
4683 | periods.push_back(period.get_id()); | |
4684 | period_id = period.get_predecessor(); | |
4685 | } | |
4686 | ||
4687 | return ret; | |
4688 | } | |
4689 | ||
4690 | /** | |
4691 | * Open the pool used as root for this gateway | |
4692 | * Returns: 0 on success, -ERR# otherwise. | |
4693 | */ | |
4694 | int RGWRados::open_root_pool_ctx() | |
4695 | { | |
4696 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().domain_root, root_pool_ctx, true); | |
4697 | } | |
4698 | ||
4699 | int RGWRados::open_gc_pool_ctx() | |
4700 | { | |
4701 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().gc_pool, gc_pool_ctx, true); | |
4702 | } | |
4703 | ||
4704 | int RGWRados::open_lc_pool_ctx() | |
4705 | { | |
4706 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().lc_pool, lc_pool_ctx, true); | |
4707 | } | |
4708 | ||
4709 | int RGWRados::open_objexp_pool_ctx() | |
4710 | { | |
4711 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, objexp_pool_ctx, true); | |
4712 | } | |
4713 | ||
31f18b77 FG |
4714 | int RGWRados::open_reshard_pool_ctx() |
4715 | { | |
4716 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().reshard_pool, reshard_pool_ctx, true); | |
4717 | } | |
4718 | ||
7c673cae FG |
4719 | int RGWRados::init_watch() |
4720 | { | |
4721 | int r = rgw_init_ioctx(&rados[0], get_zone_params().control_pool, control_pool_ctx, true); | |
4722 | if (r < 0) { | |
4723 | return r; | |
4724 | } | |
4725 | ||
4726 | num_watchers = cct->_conf->rgw_num_control_oids; | |
4727 | ||
4728 | bool compat_oid = (num_watchers == 0); | |
4729 | ||
4730 | if (num_watchers <= 0) | |
4731 | num_watchers = 1; | |
4732 | ||
4733 | notify_oids = new string[num_watchers]; | |
4734 | watchers = new RGWWatcher *[num_watchers]; | |
4735 | ||
4736 | for (int i=0; i < num_watchers; i++) { | |
4737 | string& notify_oid = notify_oids[i]; | |
4738 | notify_oid = notify_oid_prefix; | |
4739 | if (!compat_oid) { | |
4740 | char buf[16]; | |
4741 | snprintf(buf, sizeof(buf), ".%d", i); | |
4742 | notify_oid.append(buf); | |
4743 | } | |
4744 | r = control_pool_ctx.create(notify_oid, false); | |
4745 | if (r < 0 && r != -EEXIST) | |
4746 | return r; | |
4747 | ||
4748 | RGWWatcher *watcher = new RGWWatcher(this, i, notify_oid); | |
4749 | watchers[i] = watcher; | |
4750 | ||
4751 | r = watcher->register_watch(); | |
4752 | if (r < 0) | |
4753 | return r; | |
4754 | } | |
4755 | ||
4756 | watch_initialized = true; | |
4757 | ||
4758 | set_cache_enabled(true); | |
4759 | ||
4760 | return 0; | |
4761 | } | |
4762 | ||
4763 | void RGWRados::pick_control_oid(const string& key, string& notify_oid) | |
4764 | { | |
4765 | uint32_t r = ceph_str_hash_linux(key.c_str(), key.size()); | |
4766 | ||
4767 | int i = r % num_watchers; | |
4768 | char buf[16]; | |
4769 | snprintf(buf, sizeof(buf), ".%d", i); | |
4770 | ||
4771 | notify_oid = notify_oid_prefix; | |
4772 | notify_oid.append(buf); | |
4773 | } | |
4774 | ||
4775 | int RGWRados::open_pool_ctx(const rgw_pool& pool, librados::IoCtx& io_ctx) | |
4776 | { | |
4777 | librados::Rados *rad = get_rados_handle(); | |
4778 | int r = rgw_init_ioctx(rad, pool, io_ctx); | |
4779 | if (r != -ENOENT) | |
4780 | return r; | |
4781 | ||
4782 | if (!pools_initialized) | |
4783 | return r; | |
4784 | ||
4785 | r = rad->pool_create(pool.name.c_str()); | |
4786 | if (r < 0 && r != -EEXIST) | |
4787 | return r; | |
4788 | ||
4789 | return rgw_init_ioctx(rad, pool, io_ctx); | |
4790 | } | |
4791 | ||
4792 | void RGWRados::build_bucket_index_marker(const string& shard_id_str, const string& shard_marker, | |
4793 | string *marker) { | |
4794 | if (marker) { | |
4795 | *marker = shard_id_str; | |
4796 | marker->append(BucketIndexShardsManager::KEY_VALUE_SEPARATOR); | |
4797 | marker->append(shard_marker); | |
4798 | } | |
4799 | } | |
4800 | ||
4801 | int RGWRados::open_bucket_index_ctx(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx) | |
4802 | { | |
4803 | const string *rule = &bucket_info.placement_rule; | |
4804 | if (rule->empty()) { | |
4805 | rule = &zonegroup.default_placement; | |
4806 | } | |
4807 | auto iter = zone_params.placement_pools.find(*rule); | |
4808 | if (iter == zone_params.placement_pools.end()) { | |
4809 | ldout(cct, 0) << "could not find placement rule " << *rule << " within zonegroup " << dendl; | |
4810 | return -EINVAL; | |
4811 | } | |
4812 | ||
4813 | int r = open_pool_ctx(iter->second.index_pool, index_ctx); | |
4814 | if (r < 0) | |
4815 | return r; | |
4816 | ||
4817 | return 0; | |
4818 | } | |
4819 | ||
4820 | /** | |
4821 | * set up a bucket listing. | |
4822 | * handle is filled in. | |
4823 | * Returns 0 on success, -ERR# otherwise. | |
4824 | */ | |
4825 | int RGWRados::list_buckets_init(RGWAccessHandle *handle) | |
4826 | { | |
4827 | librados::NObjectIterator *state = new librados::NObjectIterator(root_pool_ctx.nobjects_begin()); | |
4828 | *handle = (RGWAccessHandle)state; | |
4829 | return 0; | |
4830 | } | |
4831 | ||
4832 | /** | |
4833 | * get the next bucket in the listing. | |
4834 | * obj is filled in, | |
4835 | * handle is updated. | |
4836 | * returns 0 on success, -ERR# otherwise. | |
4837 | */ | |
4838 | int RGWRados::list_buckets_next(rgw_bucket_dir_entry& obj, RGWAccessHandle *handle) | |
4839 | { | |
4840 | librados::NObjectIterator *state = (librados::NObjectIterator *)*handle; | |
4841 | ||
4842 | do { | |
4843 | if (*state == root_pool_ctx.nobjects_end()) { | |
4844 | delete state; | |
4845 | return -ENOENT; | |
4846 | } | |
4847 | ||
4848 | obj.key.name = (*state)->get_oid(); | |
4849 | if (obj.key.name[0] == '_') { | |
4850 | obj.key.name = obj.key.name.substr(1); | |
4851 | } | |
4852 | ||
4853 | (*state)++; | |
4854 | } while (obj.key.name[0] == '.'); /* skip all entries starting with '.' */ | |
4855 | ||
4856 | return 0; | |
4857 | } | |
4858 | ||
4859 | ||
4860 | /**** logs ****/ | |
4861 | ||
4862 | struct log_list_state { | |
4863 | string prefix; | |
4864 | librados::IoCtx io_ctx; | |
4865 | librados::NObjectIterator obit; | |
4866 | }; | |
4867 | ||
4868 | int RGWRados::log_list_init(const string& prefix, RGWAccessHandle *handle) | |
4869 | { | |
4870 | log_list_state *state = new log_list_state; | |
4871 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4872 | if (r < 0) { | |
4873 | delete state; | |
4874 | return r; | |
4875 | } | |
4876 | state->prefix = prefix; | |
4877 | state->obit = state->io_ctx.nobjects_begin(); | |
4878 | *handle = (RGWAccessHandle)state; | |
4879 | return 0; | |
4880 | } | |
4881 | ||
4882 | int RGWRados::log_list_next(RGWAccessHandle handle, string *name) | |
4883 | { | |
4884 | log_list_state *state = static_cast<log_list_state *>(handle); | |
4885 | while (true) { | |
4886 | if (state->obit == state->io_ctx.nobjects_end()) { | |
4887 | delete state; | |
4888 | return -ENOENT; | |
4889 | } | |
4890 | if (state->prefix.length() && | |
4891 | state->obit->get_oid().find(state->prefix) != 0) { | |
4892 | state->obit++; | |
4893 | continue; | |
4894 | } | |
4895 | *name = state->obit->get_oid(); | |
4896 | state->obit++; | |
4897 | break; | |
4898 | } | |
4899 | return 0; | |
4900 | } | |
4901 | ||
4902 | int RGWRados::log_remove(const string& name) | |
4903 | { | |
4904 | librados::IoCtx io_ctx; | |
4905 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4906 | if (r < 0) | |
4907 | return r; | |
4908 | return io_ctx.remove(name); | |
4909 | } | |
4910 | ||
4911 | struct log_show_state { | |
4912 | librados::IoCtx io_ctx; | |
4913 | bufferlist bl; | |
4914 | bufferlist::iterator p; | |
4915 | string name; | |
4916 | uint64_t pos; | |
4917 | bool eof; | |
4918 | log_show_state() : pos(0), eof(false) {} | |
4919 | }; | |
4920 | ||
4921 | int RGWRados::log_show_init(const string& name, RGWAccessHandle *handle) | |
4922 | { | |
4923 | log_show_state *state = new log_show_state; | |
4924 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4925 | if (r < 0) { | |
4926 | delete state; | |
4927 | return r; | |
4928 | } | |
4929 | state->name = name; | |
4930 | *handle = (RGWAccessHandle)state; | |
4931 | return 0; | |
4932 | } | |
4933 | ||
4934 | int RGWRados::log_show_next(RGWAccessHandle handle, rgw_log_entry *entry) | |
4935 | { | |
4936 | log_show_state *state = static_cast<log_show_state *>(handle); | |
4937 | off_t off = state->p.get_off(); | |
4938 | ||
4939 | ldout(cct, 10) << "log_show_next pos " << state->pos << " bl " << state->bl.length() | |
4940 | << " off " << off | |
4941 | << " eof " << (int)state->eof | |
4942 | << dendl; | |
4943 | // read some? | |
4944 | unsigned chunk = 1024*1024; | |
4945 | if ((state->bl.length() - off) < chunk/2 && !state->eof) { | |
4946 | bufferlist more; | |
4947 | int r = state->io_ctx.read(state->name, more, chunk, state->pos); | |
4948 | if (r < 0) | |
4949 | return r; | |
4950 | state->pos += r; | |
4951 | bufferlist old; | |
4952 | try { | |
4953 | old.substr_of(state->bl, off, state->bl.length() - off); | |
4954 | } catch (buffer::error& err) { | |
4955 | return -EINVAL; | |
4956 | } | |
4957 | state->bl.clear(); | |
4958 | state->bl.claim(old); | |
4959 | state->bl.claim_append(more); | |
4960 | state->p = state->bl.begin(); | |
4961 | if ((unsigned)r < chunk) | |
4962 | state->eof = true; | |
4963 | ldout(cct, 10) << " read " << r << dendl; | |
4964 | } | |
4965 | ||
4966 | if (state->p.end()) | |
4967 | return 0; // end of file | |
4968 | try { | |
4969 | ::decode(*entry, state->p); | |
4970 | } | |
4971 | catch (const buffer::error &e) { | |
4972 | return -EINVAL; | |
4973 | } | |
4974 | return 1; | |
4975 | } | |
4976 | ||
4977 | /** | |
4978 | * usage_log_hash: get usage log key hash, based on name and index | |
4979 | * | |
4980 | * Get the usage object name. Since a user may have more than 1 | |
4981 | * object holding that info (multiple shards), we use index to | |
4982 | * specify that shard number. Once index exceeds max shards it | |
4983 | * wraps. | |
4984 | * If name is not being set, results for all users will be returned | |
4985 | * and index will wrap only after total shards number. | |
4986 | * | |
4987 | * @param cct [in] ceph context | |
4988 | * @param name [in] user name | |
4989 | * @param hash [out] hash value | |
4990 | * @param index [in] shard index number | |
4991 | */ | |
4992 | static void usage_log_hash(CephContext *cct, const string& name, string& hash, uint32_t index) | |
4993 | { | |
4994 | uint32_t val = index; | |
4995 | ||
4996 | if (!name.empty()) { | |
4997 | int max_user_shards = max(cct->_conf->rgw_usage_max_user_shards, 1); | |
4998 | val %= max_user_shards; | |
4999 | val += ceph_str_hash_linux(name.c_str(), name.size()); | |
5000 | } | |
5001 | char buf[17]; | |
5002 | int max_shards = max(cct->_conf->rgw_usage_max_shards, 1); | |
5003 | snprintf(buf, sizeof(buf), RGW_USAGE_OBJ_PREFIX "%u", (unsigned)(val % max_shards)); | |
5004 | hash = buf; | |
5005 | } | |
5006 | ||
5007 | int RGWRados::log_usage(map<rgw_user_bucket, RGWUsageBatch>& usage_info) | |
5008 | { | |
5009 | uint32_t index = 0; | |
5010 | ||
5011 | map<string, rgw_usage_log_info> log_objs; | |
5012 | ||
5013 | string hash; | |
5014 | string last_user; | |
5015 | ||
5016 | /* restructure usage map, zone by object hash */ | |
5017 | map<rgw_user_bucket, RGWUsageBatch>::iterator iter; | |
5018 | for (iter = usage_info.begin(); iter != usage_info.end(); ++iter) { | |
5019 | const rgw_user_bucket& ub = iter->first; | |
5020 | RGWUsageBatch& info = iter->second; | |
5021 | ||
5022 | if (ub.user.empty()) { | |
5023 | ldout(cct, 0) << "WARNING: RGWRados::log_usage(): user name empty (bucket=" << ub.bucket << "), skipping" << dendl; | |
5024 | continue; | |
5025 | } | |
5026 | ||
5027 | if (ub.user != last_user) { | |
5028 | /* index *should* be random, but why waste extra cycles | |
5029 | in most cases max user shards is not going to exceed 1, | |
5030 | so just incrementing it */ | |
5031 | usage_log_hash(cct, ub.user, hash, index++); | |
5032 | } | |
5033 | last_user = ub.user; | |
5034 | vector<rgw_usage_log_entry>& v = log_objs[hash].entries; | |
5035 | ||
5036 | for (auto miter = info.m.begin(); miter != info.m.end(); ++miter) { | |
5037 | v.push_back(miter->second); | |
5038 | } | |
5039 | } | |
5040 | ||
5041 | map<string, rgw_usage_log_info>::iterator liter; | |
5042 | ||
5043 | for (liter = log_objs.begin(); liter != log_objs.end(); ++liter) { | |
5044 | int r = cls_obj_usage_log_add(liter->first, liter->second); | |
5045 | if (r < 0) | |
5046 | return r; | |
5047 | } | |
5048 | return 0; | |
5049 | } | |
5050 | ||
5051 | int RGWRados::read_usage(const rgw_user& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
5052 | bool *is_truncated, RGWUsageIter& usage_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage) | |
5053 | { | |
5054 | uint32_t num = max_entries; | |
5055 | string hash, first_hash; | |
5056 | string user_str = user.to_str(); | |
5057 | usage_log_hash(cct, user_str, first_hash, 0); | |
5058 | ||
5059 | if (usage_iter.index) { | |
5060 | usage_log_hash(cct, user_str, hash, usage_iter.index); | |
5061 | } else { | |
5062 | hash = first_hash; | |
5063 | } | |
5064 | ||
5065 | usage.clear(); | |
5066 | ||
5067 | do { | |
5068 | map<rgw_user_bucket, rgw_usage_log_entry> ret_usage; | |
5069 | map<rgw_user_bucket, rgw_usage_log_entry>::iterator iter; | |
5070 | ||
5071 | int ret = cls_obj_usage_log_read(hash, user_str, start_epoch, end_epoch, num, | |
5072 | usage_iter.read_iter, ret_usage, is_truncated); | |
5073 | if (ret == -ENOENT) | |
5074 | goto next; | |
5075 | ||
5076 | if (ret < 0) | |
5077 | return ret; | |
5078 | ||
5079 | num -= ret_usage.size(); | |
5080 | ||
5081 | for (iter = ret_usage.begin(); iter != ret_usage.end(); ++iter) { | |
5082 | usage[iter->first].aggregate(iter->second); | |
5083 | } | |
5084 | ||
5085 | next: | |
5086 | if (!*is_truncated) { | |
5087 | usage_iter.read_iter.clear(); | |
5088 | usage_log_hash(cct, user_str, hash, ++usage_iter.index); | |
5089 | } | |
5090 | } while (num && !*is_truncated && hash != first_hash); | |
5091 | return 0; | |
5092 | } | |
5093 | ||
5094 | int RGWRados::trim_usage(rgw_user& user, uint64_t start_epoch, uint64_t end_epoch) | |
5095 | { | |
5096 | uint32_t index = 0; | |
5097 | string hash, first_hash; | |
5098 | string user_str = user.to_str(); | |
5099 | usage_log_hash(cct, user_str, first_hash, index); | |
5100 | ||
5101 | hash = first_hash; | |
5102 | ||
5103 | do { | |
5104 | int ret = cls_obj_usage_log_trim(hash, user_str, start_epoch, end_epoch); | |
5105 | if (ret == -ENOENT) | |
5106 | goto next; | |
5107 | ||
5108 | if (ret < 0) | |
5109 | return ret; | |
5110 | ||
5111 | next: | |
5112 | usage_log_hash(cct, user_str, hash, ++index); | |
5113 | } while (hash != first_hash); | |
5114 | ||
5115 | return 0; | |
5116 | } | |
5117 | ||
7c673cae FG |
5118 | int RGWRados::key_to_shard_id(const string& key, int max_shards) |
5119 | { | |
31f18b77 | 5120 | return rgw_shards_hash(key, max_shards); |
7c673cae FG |
5121 | } |
5122 | ||
5123 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& key, string& name, int *shard_id) | |
5124 | { | |
5125 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
5126 | char buf[16]; | |
5127 | if (shard_id) { | |
5128 | *shard_id = val % max_shards; | |
5129 | } | |
5130 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
5131 | name = prefix + buf; | |
5132 | } | |
5133 | ||
5134 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& section, const string& key, string& name) | |
5135 | { | |
5136 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
5137 | val ^= ceph_str_hash_linux(section.c_str(), section.size()); | |
5138 | char buf[16]; | |
5139 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
5140 | name = prefix + buf; | |
5141 | } | |
5142 | ||
5143 | void RGWRados::shard_name(const string& prefix, unsigned shard_id, string& name) | |
5144 | { | |
5145 | char buf[16]; | |
5146 | snprintf(buf, sizeof(buf), "%u", shard_id); | |
5147 | name = prefix + buf; | |
5148 | ||
5149 | } | |
5150 | ||
5151 | void RGWRados::time_log_prepare_entry(cls_log_entry& entry, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
5152 | { | |
5153 | cls_log_add_prepare_entry(entry, utime_t(ut), section, key, bl); | |
5154 | } | |
5155 | ||
5156 | int RGWRados::time_log_add_init(librados::IoCtx& io_ctx) | |
5157 | { | |
5158 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx, true); | |
5159 | ||
5160 | } | |
5161 | ||
5162 | int RGWRados::time_log_add(const string& oid, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
5163 | { | |
5164 | librados::IoCtx io_ctx; | |
5165 | ||
5166 | int r = time_log_add_init(io_ctx); | |
5167 | if (r < 0) { | |
5168 | return r; | |
5169 | } | |
5170 | ||
5171 | ObjectWriteOperation op; | |
5172 | utime_t t(ut); | |
5173 | cls_log_add(op, t, section, key, bl); | |
5174 | ||
5175 | return io_ctx.operate(oid, &op); | |
5176 | } | |
5177 | ||
5178 | int RGWRados::time_log_add(const string& oid, list<cls_log_entry>& entries, | |
5179 | librados::AioCompletion *completion, bool monotonic_inc) | |
5180 | { | |
5181 | librados::IoCtx io_ctx; | |
5182 | ||
5183 | int r = time_log_add_init(io_ctx); | |
5184 | if (r < 0) { | |
5185 | return r; | |
5186 | } | |
5187 | ||
5188 | ObjectWriteOperation op; | |
5189 | cls_log_add(op, entries, monotonic_inc); | |
5190 | ||
5191 | if (!completion) { | |
5192 | r = io_ctx.operate(oid, &op); | |
5193 | } else { | |
5194 | r = io_ctx.aio_operate(oid, completion, &op); | |
5195 | } | |
5196 | return r; | |
5197 | } | |
5198 | ||
5199 | int RGWRados::time_log_list(const string& oid, const real_time& start_time, const real_time& end_time, | |
5200 | int max_entries, list<cls_log_entry>& entries, | |
5201 | const string& marker, | |
5202 | string *out_marker, | |
5203 | bool *truncated) | |
5204 | { | |
5205 | librados::IoCtx io_ctx; | |
5206 | ||
5207 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5208 | if (r < 0) | |
5209 | return r; | |
5210 | librados::ObjectReadOperation op; | |
5211 | ||
5212 | utime_t st(start_time); | |
5213 | utime_t et(end_time); | |
5214 | ||
5215 | cls_log_list(op, st, et, marker, max_entries, entries, | |
5216 | out_marker, truncated); | |
5217 | ||
5218 | bufferlist obl; | |
5219 | ||
5220 | int ret = io_ctx.operate(oid, &op, &obl); | |
5221 | if (ret < 0) | |
5222 | return ret; | |
5223 | ||
5224 | return 0; | |
5225 | } | |
5226 | ||
5227 | int RGWRados::time_log_info(const string& oid, cls_log_header *header) | |
5228 | { | |
5229 | librados::IoCtx io_ctx; | |
5230 | ||
5231 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5232 | if (r < 0) | |
5233 | return r; | |
5234 | librados::ObjectReadOperation op; | |
5235 | ||
5236 | cls_log_info(op, header); | |
5237 | ||
5238 | bufferlist obl; | |
5239 | ||
5240 | int ret = io_ctx.operate(oid, &op, &obl); | |
5241 | if (ret < 0) | |
5242 | return ret; | |
5243 | ||
5244 | return 0; | |
5245 | } | |
5246 | ||
5247 | int RGWRados::time_log_info_async(librados::IoCtx& io_ctx, const string& oid, cls_log_header *header, librados::AioCompletion *completion) | |
5248 | { | |
5249 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5250 | if (r < 0) | |
5251 | return r; | |
5252 | ||
5253 | librados::ObjectReadOperation op; | |
5254 | ||
5255 | cls_log_info(op, header); | |
5256 | ||
5257 | int ret = io_ctx.aio_operate(oid, completion, &op, NULL); | |
5258 | if (ret < 0) | |
5259 | return ret; | |
5260 | ||
5261 | return 0; | |
5262 | } | |
5263 | ||
5264 | int RGWRados::time_log_trim(const string& oid, const real_time& start_time, const real_time& end_time, | |
5265 | const string& from_marker, const string& to_marker, | |
5266 | librados::AioCompletion *completion) | |
5267 | { | |
5268 | librados::IoCtx io_ctx; | |
5269 | ||
5270 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
5271 | if (r < 0) | |
5272 | return r; | |
5273 | ||
5274 | utime_t st(start_time); | |
5275 | utime_t et(end_time); | |
5276 | ||
5277 | ObjectWriteOperation op; | |
5278 | cls_log_trim(op, st, et, from_marker, to_marker); | |
5279 | ||
5280 | if (!completion) { | |
5281 | r = io_ctx.operate(oid, &op); | |
5282 | } else { | |
5283 | r = io_ctx.aio_operate(oid, completion, &op); | |
5284 | } | |
5285 | return r; | |
5286 | } | |
5287 | ||
5288 | string RGWRados::objexp_hint_get_shardname(int shard_num) | |
5289 | { | |
5290 | char buf[32]; | |
5291 | snprintf(buf, sizeof(buf), "%010u", (unsigned)shard_num); | |
5292 | ||
5293 | string objname("obj_delete_at_hint."); | |
5294 | return objname + buf; | |
5295 | } | |
5296 | ||
7c673cae FG |
5297 | int RGWRados::objexp_key_shard(const rgw_obj_index_key& key) |
5298 | { | |
5299 | string obj_key = key.name + key.instance; | |
5300 | int num_shards = cct->_conf->rgw_objexp_hints_num_shards; | |
5301 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
5302 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 FG |
5303 | sid = rgw_shards_mod(sid2, num_shards); |
5304 | return sid; | |
7c673cae FG |
5305 | } |
5306 | ||
5307 | static string objexp_hint_get_keyext(const string& tenant_name, | |
5308 | const string& bucket_name, | |
5309 | const string& bucket_id, | |
5310 | const rgw_obj_key& obj_key) | |
5311 | { | |
5312 | return tenant_name + (tenant_name.empty() ? "" : ":") + bucket_name + ":" + bucket_id + | |
5313 | ":" + obj_key.name + ":" + obj_key.instance; | |
5314 | } | |
5315 | ||
5316 | int RGWRados::objexp_hint_add(const ceph::real_time& delete_at, | |
5317 | const string& tenant_name, | |
5318 | const string& bucket_name, | |
5319 | const string& bucket_id, | |
5320 | const rgw_obj_index_key& obj_key) | |
5321 | { | |
5322 | const string keyext = objexp_hint_get_keyext(tenant_name, bucket_name, | |
5323 | bucket_id, obj_key); | |
5324 | objexp_hint_entry he = { | |
5325 | .tenant = tenant_name, | |
5326 | .bucket_name = bucket_name, | |
5327 | .bucket_id = bucket_id, | |
5328 | .obj_key = obj_key, | |
5329 | .exp_time = delete_at }; | |
5330 | bufferlist hebl; | |
5331 | ::encode(he, hebl); | |
5332 | ObjectWriteOperation op; | |
5333 | cls_timeindex_add(op, utime_t(delete_at), keyext, hebl); | |
5334 | ||
5335 | string shard_name = objexp_hint_get_shardname(objexp_key_shard(obj_key)); | |
5336 | return objexp_pool_ctx.operate(shard_name, &op); | |
5337 | } | |
5338 | ||
5339 | void RGWRados::objexp_get_shard(int shard_num, | |
5340 | string& shard) /* out */ | |
5341 | { | |
5342 | shard = objexp_hint_get_shardname(shard_num); | |
5343 | } | |
5344 | ||
5345 | int RGWRados::objexp_hint_list(const string& oid, | |
5346 | const ceph::real_time& start_time, | |
5347 | const ceph::real_time& end_time, | |
5348 | const int max_entries, | |
5349 | const string& marker, | |
5350 | list<cls_timeindex_entry>& entries, /* out */ | |
5351 | string *out_marker, /* out */ | |
5352 | bool *truncated) /* out */ | |
5353 | { | |
5354 | librados::ObjectReadOperation op; | |
5355 | cls_timeindex_list(op, utime_t(start_time), utime_t(end_time), marker, max_entries, entries, | |
5356 | out_marker, truncated); | |
5357 | ||
5358 | bufferlist obl; | |
5359 | int ret = objexp_pool_ctx.operate(oid, &op, &obl); | |
5360 | ||
5361 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5362 | return ret; | |
5363 | } | |
5364 | ||
5365 | if ((ret == -ENOENT) && truncated) { | |
5366 | *truncated = false; | |
5367 | } | |
5368 | ||
5369 | return 0; | |
5370 | } | |
5371 | ||
5372 | int RGWRados::objexp_hint_parse(cls_timeindex_entry &ti_entry, /* in */ | |
5373 | objexp_hint_entry& hint_entry) /* out */ | |
5374 | { | |
5375 | try { | |
5376 | bufferlist::iterator iter = ti_entry.value.begin(); | |
5377 | ::decode(hint_entry, iter); | |
5378 | } catch (buffer::error& err) { | |
5379 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5380 | } | |
5381 | ||
5382 | return 0; | |
5383 | } | |
5384 | ||
5385 | int RGWRados::objexp_hint_trim(const string& oid, | |
5386 | const ceph::real_time& start_time, | |
5387 | const ceph::real_time& end_time, | |
5388 | const string& from_marker, | |
5389 | const string& to_marker) | |
5390 | { | |
5391 | int ret = cls_timeindex_trim(objexp_pool_ctx, oid, utime_t(start_time), utime_t(end_time), | |
5392 | from_marker, to_marker); | |
5393 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5394 | return ret; | |
5395 | } | |
5396 | ||
5397 | return 0; | |
5398 | } | |
5399 | ||
5400 | int RGWRados::lock_exclusive(rgw_pool& pool, const string& oid, timespan& duration, | |
5401 | string& zone_id, string& owner_id) { | |
5402 | librados::IoCtx io_ctx; | |
5403 | ||
5404 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5405 | if (r < 0) { | |
5406 | return r; | |
5407 | } | |
5408 | uint64_t msec = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count(); | |
5409 | utime_t ut(msec / 1000, msec % 1000); | |
5410 | ||
5411 | rados::cls::lock::Lock l(log_lock_name); | |
5412 | l.set_duration(ut); | |
5413 | l.set_cookie(owner_id); | |
5414 | l.set_tag(zone_id); | |
5415 | l.set_renew(true); | |
5416 | ||
5417 | return l.lock_exclusive(&io_ctx, oid); | |
5418 | } | |
5419 | ||
5420 | int RGWRados::unlock(rgw_pool& pool, const string& oid, string& zone_id, string& owner_id) { | |
5421 | librados::IoCtx io_ctx; | |
5422 | ||
5423 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5424 | if (r < 0) { | |
5425 | return r; | |
5426 | } | |
5427 | ||
5428 | rados::cls::lock::Lock l(log_lock_name); | |
5429 | l.set_tag(zone_id); | |
5430 | l.set_cookie(owner_id); | |
5431 | ||
5432 | return l.unlock(&io_ctx, oid); | |
5433 | } | |
5434 | ||
5435 | int RGWRados::decode_policy(bufferlist& bl, ACLOwner *owner) | |
5436 | { | |
5437 | bufferlist::iterator i = bl.begin(); | |
5438 | RGWAccessControlPolicy policy(cct); | |
5439 | try { | |
5440 | policy.decode_owner(i); | |
5441 | } catch (buffer::error& err) { | |
5442 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5443 | return -EIO; | |
5444 | } | |
5445 | *owner = policy.get_owner(); | |
5446 | return 0; | |
5447 | } | |
5448 | ||
5449 | int rgw_policy_from_attrset(CephContext *cct, map<string, bufferlist>& attrset, RGWAccessControlPolicy *policy) | |
5450 | { | |
5451 | map<string, bufferlist>::iterator aiter = attrset.find(RGW_ATTR_ACL); | |
5452 | if (aiter == attrset.end()) | |
5453 | return -EIO; | |
5454 | ||
5455 | bufferlist& bl = aiter->second; | |
5456 | bufferlist::iterator iter = bl.begin(); | |
5457 | try { | |
5458 | policy->decode(iter); | |
5459 | } catch (buffer::error& err) { | |
5460 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5461 | return -EIO; | |
5462 | } | |
5463 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 15)) { | |
5464 | RGWAccessControlPolicy_S3 *s3policy = static_cast<RGWAccessControlPolicy_S3 *>(policy); | |
5465 | ldout(cct, 15) << __func__ << " Read AccessControlPolicy"; | |
5466 | s3policy->to_xml(*_dout); | |
5467 | *_dout << dendl; | |
5468 | } | |
5469 | return 0; | |
5470 | } | |
5471 | ||
5472 | ||
31f18b77 FG |
5473 | int RGWRados::Bucket::update_bucket_id(const string& new_bucket_id) |
5474 | { | |
5475 | rgw_bucket bucket = bucket_info.bucket; | |
5476 | bucket.update_bucket_id(new_bucket_id); | |
5477 | ||
5478 | RGWObjectCtx obj_ctx(store); | |
5479 | ||
5480 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, nullptr, nullptr); | |
5481 | if (ret < 0) { | |
5482 | return ret; | |
5483 | } | |
5484 | ||
5485 | return 0; | |
5486 | } | |
5487 | ||
7c673cae FG |
5488 | /** |
5489 | * get listing of the objects in a bucket. | |
5490 | * | |
5491 | * max: maximum number of results to return | |
5492 | * bucket: bucket to list contents of | |
5493 | * prefix: only return results that match this prefix | |
5494 | * delim: do not include results that match this string. | |
5495 | * Any skipped results will have the matching portion of their name | |
5496 | * inserted in common_prefixes with a "true" mark. | |
5497 | * marker: if filled in, begin the listing with this object. | |
5498 | * end_marker: if filled in, end the listing with this object. | |
5499 | * result: the objects are put in here. | |
5500 | * common_prefixes: if delim is filled in, any matching prefixes are placed here. | |
5501 | * is_truncated: if number of objects in the bucket is bigger than max, then truncated. | |
5502 | */ | |
5503 | int RGWRados::Bucket::List::list_objects(int max, vector<rgw_bucket_dir_entry> *result, | |
5504 | map<string, bool> *common_prefixes, | |
5505 | bool *is_truncated) | |
5506 | { | |
5507 | RGWRados *store = target->get_store(); | |
5508 | CephContext *cct = store->ctx(); | |
5509 | int shard_id = target->get_shard_id(); | |
5510 | ||
5511 | int count = 0; | |
5512 | bool truncated = true; | |
5513 | int read_ahead = std::max(cct->_conf->rgw_list_bucket_min_readahead,max); | |
5514 | ||
5515 | result->clear(); | |
5516 | ||
5517 | rgw_obj_key marker_obj(params.marker.name, params.marker.instance, params.ns); | |
5518 | ||
5519 | rgw_obj_key end_marker_obj; | |
5520 | rgw_obj_index_key cur_end_marker; | |
5521 | if (!params.ns.empty()) { | |
5522 | end_marker_obj = rgw_obj_key(params.end_marker.name, params.end_marker.instance, params.ns); | |
5523 | end_marker_obj.ns = params.ns; | |
5524 | end_marker_obj.get_index_key(&cur_end_marker); | |
5525 | } | |
5526 | rgw_obj_index_key cur_marker; | |
5527 | marker_obj.get_index_key(&cur_marker); | |
5528 | ||
5529 | const bool cur_end_marker_valid = !params.end_marker.empty(); | |
5530 | ||
5531 | rgw_obj_key prefix_obj(params.prefix); | |
5532 | prefix_obj.ns = params.ns; | |
5533 | string cur_prefix = prefix_obj.get_index_key_name(); | |
5534 | ||
5535 | string bigger_than_delim; | |
5536 | ||
5537 | if (!params.delim.empty()) { | |
5538 | unsigned long val = decode_utf8((unsigned char *)params.delim.c_str(), params.delim.size()); | |
5539 | char buf[params.delim.size() + 16]; | |
5540 | int r = encode_utf8(val + 1, (unsigned char *)buf); | |
5541 | if (r < 0) { | |
5542 | ldout(cct,0) << "ERROR: encode_utf8() failed" << dendl; | |
5543 | return -EINVAL; | |
5544 | } | |
5545 | buf[r] = '\0'; | |
5546 | ||
5547 | bigger_than_delim = buf; | |
5548 | ||
5549 | /* if marker points at a common prefix, fast forward it into its upperbound string */ | |
5550 | int delim_pos = cur_marker.name.find(params.delim, params.prefix.size()); | |
5551 | if (delim_pos >= 0) { | |
5552 | string s = cur_marker.name.substr(0, delim_pos); | |
5553 | s.append(bigger_than_delim); | |
5554 | cur_marker = s; | |
5555 | } | |
5556 | } | |
5557 | ||
5558 | string skip_after_delim; | |
5559 | while (truncated && count <= max) { | |
5560 | if (skip_after_delim > cur_marker.name) { | |
5561 | cur_marker = skip_after_delim; | |
5562 | ldout(cct, 20) << "setting cur_marker=" << cur_marker.name << "[" << cur_marker.instance << "]" << dendl; | |
5563 | } | |
5564 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
5565 | int r = store->cls_bucket_list(target->get_bucket_info(), shard_id, cur_marker, cur_prefix, | |
5566 | read_ahead + 1 - count, params.list_versions, ent_map, | |
5567 | &truncated, &cur_marker); | |
5568 | if (r < 0) | |
5569 | return r; | |
5570 | ||
5571 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
5572 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
5573 | rgw_bucket_dir_entry& entry = eiter->second; | |
5574 | rgw_obj_index_key index_key = entry.key; | |
5575 | ||
5576 | rgw_obj_key obj(index_key); | |
5577 | ||
5578 | /* note that parse_raw_oid() here will not set the correct object's instance, as | |
5579 | * rgw_obj_index_key encodes that separately. We don't need to set the instance because it's | |
5580 | * not needed for the checks here and we end up using the raw entry for the return vector | |
5581 | */ | |
5582 | bool valid = rgw_obj_key::parse_raw_oid(index_key.name, &obj); | |
5583 | if (!valid) { | |
5584 | ldout(cct, 0) << "ERROR: could not parse object name: " << obj.name << dendl; | |
5585 | continue; | |
5586 | } | |
5587 | bool check_ns = (obj.ns == params.ns); | |
5588 | if (!params.list_versions && !entry.is_visible()) { | |
5589 | continue; | |
5590 | } | |
5591 | ||
5592 | if (params.enforce_ns && !check_ns) { | |
5593 | if (!params.ns.empty()) { | |
5594 | /* we've iterated past the namespace we're searching -- done now */ | |
5595 | truncated = false; | |
5596 | goto done; | |
5597 | } | |
5598 | ||
5599 | /* we're not looking at the namespace this object is in, next! */ | |
5600 | continue; | |
5601 | } | |
5602 | ||
5603 | if (cur_end_marker_valid && cur_end_marker <= index_key) { | |
5604 | truncated = false; | |
5605 | goto done; | |
5606 | } | |
5607 | ||
5608 | if (count < max) { | |
5609 | params.marker = index_key; | |
5610 | next_marker = index_key; | |
5611 | } | |
5612 | ||
5613 | if (params.filter && !params.filter->filter(obj.name, index_key.name)) | |
5614 | continue; | |
5615 | ||
5616 | if (params.prefix.size() && (obj.name.compare(0, params.prefix.size(), params.prefix) != 0)) | |
5617 | continue; | |
5618 | ||
5619 | if (!params.delim.empty()) { | |
5620 | int delim_pos = obj.name.find(params.delim, params.prefix.size()); | |
5621 | ||
5622 | if (delim_pos >= 0) { | |
5623 | string prefix_key = obj.name.substr(0, delim_pos + 1); | |
5624 | ||
5625 | if (common_prefixes && | |
5626 | common_prefixes->find(prefix_key) == common_prefixes->end()) { | |
5627 | if (count >= max) { | |
5628 | truncated = true; | |
5629 | goto done; | |
5630 | } | |
5631 | next_marker = prefix_key; | |
5632 | (*common_prefixes)[prefix_key] = true; | |
5633 | ||
5634 | skip_after_delim = obj.name.substr(0, delim_pos); | |
5635 | skip_after_delim.append(bigger_than_delim); | |
5636 | ||
5637 | ldout(cct, 20) << "skip_after_delim=" << skip_after_delim << dendl; | |
5638 | ||
5639 | count++; | |
5640 | } | |
5641 | ||
5642 | continue; | |
5643 | } | |
5644 | } | |
5645 | ||
5646 | if (count >= max) { | |
5647 | truncated = true; | |
5648 | goto done; | |
5649 | } | |
5650 | ||
5651 | result->emplace_back(std::move(entry)); | |
5652 | count++; | |
5653 | } | |
5654 | ||
5655 | // Either the back-end telling us truncated, or we don't consume all | |
5656 | // items returned per the amount caller request | |
5657 | truncated = (truncated || eiter != ent_map.end()); | |
5658 | } | |
5659 | ||
5660 | done: | |
5661 | if (is_truncated) | |
5662 | *is_truncated = truncated; | |
5663 | ||
5664 | return 0; | |
5665 | } | |
5666 | ||
5667 | /** | |
5668 | * create a rados pool, associated meta info | |
5669 | * returns 0 on success, -ERR# otherwise. | |
5670 | */ | |
5671 | int RGWRados::create_pool(const rgw_pool& pool) | |
5672 | { | |
5673 | int ret = 0; | |
5674 | ||
5675 | librados::Rados *rad = get_rados_handle(); | |
5676 | ret = rad->pool_create(pool.name.c_str(), 0); | |
5677 | if (ret == -EEXIST) | |
5678 | ret = 0; | |
5679 | else if (ret == -ERANGE) { | |
5680 | ldout(cct, 0) | |
5681 | << __func__ | |
5682 | << " ERROR: librados::Rados::pool_create returned " << cpp_strerror(-ret) | |
5683 | << " (this can be due to a pool or placement group misconfiguration, e.g., pg_num < pgp_num)" | |
5684 | << dendl; | |
5685 | } | |
5686 | if (ret < 0) | |
5687 | return ret; | |
5688 | ||
5689 | return 0; | |
5690 | } | |
5691 | ||
5692 | int RGWRados::init_bucket_index(RGWBucketInfo& bucket_info, int num_shards) | |
5693 | { | |
5694 | librados::IoCtx index_ctx; // context for new bucket | |
5695 | ||
31f18b77 | 5696 | string dir_oid = dir_oid_prefix; |
7c673cae | 5697 | int r = open_bucket_index_ctx(bucket_info, index_ctx); |
31f18b77 | 5698 | if (r < 0) { |
7c673cae | 5699 | return r; |
31f18b77 | 5700 | } |
7c673cae | 5701 | |
7c673cae FG |
5702 | dir_oid.append(bucket_info.bucket.bucket_id); |
5703 | ||
5704 | map<int, string> bucket_objs; | |
5705 | get_bucket_index_objects(dir_oid, num_shards, bucket_objs); | |
5706 | ||
5707 | return CLSRGWIssueBucketIndexInit(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
5708 | } | |
5709 | ||
5710 | void RGWRados::create_bucket_id(string *bucket_id) | |
5711 | { | |
5712 | uint64_t iid = instance_id(); | |
5713 | uint64_t bid = next_bucket_id(); | |
5714 | char buf[get_zone_params().get_id().size() + 48]; | |
5715 | snprintf(buf, sizeof(buf), "%s.%llu.%llu", get_zone_params().get_id().c_str(), (long long)iid, (long long)bid); | |
5716 | *bucket_id = buf; | |
5717 | } | |
5718 | ||
5719 | /** | |
5720 | * create a bucket with name bucket and the given list of attrs | |
5721 | * returns 0 on success, -ERR# otherwise. | |
5722 | */ | |
5723 | int RGWRados::create_bucket(RGWUserInfo& owner, rgw_bucket& bucket, | |
5724 | const string& zonegroup_id, | |
5725 | const string& placement_rule, | |
5726 | const string& swift_ver_location, | |
5727 | const RGWQuotaInfo * pquota_info, | |
5728 | map<std::string, bufferlist>& attrs, | |
5729 | RGWBucketInfo& info, | |
5730 | obj_version *pobjv, | |
5731 | obj_version *pep_objv, | |
5732 | real_time creation_time, | |
5733 | rgw_bucket *pmaster_bucket, | |
5734 | uint32_t *pmaster_num_shards, | |
5735 | bool exclusive) | |
5736 | { | |
5737 | #define MAX_CREATE_RETRIES 20 /* need to bound retries */ | |
5738 | string selected_placement_rule_name; | |
5739 | RGWZonePlacementInfo rule_info; | |
5740 | ||
5741 | for (int i = 0; i < MAX_CREATE_RETRIES; i++) { | |
5742 | int ret = 0; | |
5743 | ret = select_bucket_placement(owner, zonegroup_id, placement_rule, | |
5744 | &selected_placement_rule_name, &rule_info); | |
5745 | if (ret < 0) | |
5746 | return ret; | |
5747 | ||
5748 | if (!pmaster_bucket) { | |
5749 | create_bucket_id(&bucket.marker); | |
5750 | bucket.bucket_id = bucket.marker; | |
5751 | } else { | |
5752 | bucket.marker = pmaster_bucket->marker; | |
5753 | bucket.bucket_id = pmaster_bucket->bucket_id; | |
5754 | } | |
5755 | ||
5756 | RGWObjVersionTracker& objv_tracker = info.objv_tracker; | |
5757 | ||
5758 | if (pobjv) { | |
5759 | objv_tracker.write_version = *pobjv; | |
5760 | } else { | |
5761 | objv_tracker.generate_new_write_ver(cct); | |
5762 | } | |
5763 | ||
5764 | info.bucket = bucket; | |
5765 | info.owner = owner.user_id; | |
5766 | info.zonegroup = zonegroup_id; | |
5767 | info.placement_rule = selected_placement_rule_name; | |
5768 | info.index_type = rule_info.index_type; | |
5769 | info.swift_ver_location = swift_ver_location; | |
5770 | info.swift_versioning = (!swift_ver_location.empty()); | |
5771 | if (pmaster_num_shards) { | |
5772 | info.num_shards = *pmaster_num_shards; | |
5773 | } else { | |
5774 | info.num_shards = bucket_index_max_shards; | |
5775 | } | |
5776 | info.bucket_index_shard_hash_type = RGWBucketInfo::MOD; | |
5777 | info.requester_pays = false; | |
5778 | if (real_clock::is_zero(creation_time)) { | |
5779 | info.creation_time = ceph::real_clock::now(); | |
5780 | } else { | |
5781 | info.creation_time = creation_time; | |
5782 | } | |
5783 | if (pquota_info) { | |
5784 | info.quota = *pquota_info; | |
5785 | } | |
5786 | ||
5787 | int r = init_bucket_index(info, info.num_shards); | |
5788 | if (r < 0) { | |
5789 | return r; | |
5790 | } | |
5791 | ||
5792 | ret = put_linked_bucket_info(info, exclusive, ceph::real_time(), pep_objv, &attrs, true); | |
5793 | if (ret == -EEXIST) { | |
5794 | librados::IoCtx index_ctx; | |
5795 | map<int, string> bucket_objs; | |
5796 | int r = open_bucket_index(info, index_ctx, bucket_objs); | |
5797 | if (r < 0) | |
5798 | return r; | |
5799 | ||
5800 | /* we need to reread the info and return it, caller will have a use for it */ | |
5801 | RGWObjVersionTracker instance_ver = info.objv_tracker; | |
5802 | info.objv_tracker.clear(); | |
5803 | RGWObjectCtx obj_ctx(this); | |
5804 | r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, NULL); | |
5805 | if (r < 0) { | |
5806 | if (r == -ENOENT) { | |
5807 | continue; | |
5808 | } | |
5809 | ldout(cct, 0) << "get_bucket_info returned " << r << dendl; | |
5810 | return r; | |
5811 | } | |
5812 | ||
5813 | /* only remove it if it's a different bucket instance */ | |
5814 | if (info.bucket.bucket_id != bucket.bucket_id) { | |
5815 | /* remove bucket meta instance */ | |
5816 | string entry = bucket.get_key(); | |
5817 | r = rgw_bucket_instance_remove_entry(this, entry, &instance_ver); | |
5818 | if (r < 0) | |
5819 | return r; | |
5820 | ||
5821 | map<int, string>::const_iterator biter; | |
5822 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
5823 | // Do best effort removal | |
5824 | index_ctx.remove(biter->second); | |
5825 | } | |
5826 | } | |
5827 | /* ret == -ENOENT here */ | |
5828 | } | |
5829 | return ret; | |
5830 | } | |
5831 | ||
5832 | /* this is highly unlikely */ | |
5833 | ldout(cct, 0) << "ERROR: could not create bucket, continuously raced with bucket creation and removal" << dendl; | |
5834 | return -ENOENT; | |
5835 | } | |
5836 | ||
5837 | int RGWRados::select_new_bucket_location(RGWUserInfo& user_info, const string& zonegroup_id, const string& request_rule, | |
5838 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5839 | ||
5840 | { | |
5841 | /* first check that rule exists within the specific zonegroup */ | |
5842 | RGWZoneGroup zonegroup; | |
5843 | int ret = get_zonegroup(zonegroup_id, zonegroup); | |
5844 | if (ret < 0) { | |
5845 | ldout(cct, 0) << "could not find zonegroup " << zonegroup_id << " in current period" << dendl; | |
5846 | return ret; | |
5847 | } | |
5848 | ||
5849 | /* now check that tag exists within zonegroup */ | |
5850 | /* find placement rule. Hierarchy: request rule > user default rule > zonegroup default rule */ | |
5851 | string rule = request_rule; | |
5852 | if (rule.empty()) { | |
5853 | rule = user_info.default_placement; | |
5854 | if (rule.empty()) | |
5855 | rule = zonegroup.default_placement; | |
5856 | } | |
5857 | ||
5858 | if (rule.empty()) { | |
5859 | ldout(cct, 0) << "misconfiguration, should not have an empty placement rule name" << dendl; | |
5860 | return -EIO; | |
5861 | } | |
5862 | ||
5863 | map<string, RGWZoneGroupPlacementTarget>::iterator titer = zonegroup.placement_targets.find(rule); | |
5864 | if (titer == zonegroup.placement_targets.end()) { | |
5865 | ldout(cct, 0) << "could not find placement rule " << rule << " within zonegroup " << dendl; | |
5866 | return -EINVAL; | |
5867 | } | |
5868 | ||
5869 | /* now check tag for the rule, whether user is permitted to use rule */ | |
5870 | RGWZoneGroupPlacementTarget& target_rule = titer->second; | |
5871 | if (!target_rule.user_permitted(user_info.placement_tags)) { | |
5872 | ldout(cct, 0) << "user not permitted to use placement rule" << dendl; | |
5873 | return -EPERM; | |
5874 | } | |
5875 | ||
5876 | if (pselected_rule_name) | |
5877 | *pselected_rule_name = rule; | |
5878 | ||
5879 | return select_bucket_location_by_rule(rule, rule_info); | |
5880 | } | |
5881 | ||
5882 | int RGWRados::select_bucket_location_by_rule(const string& location_rule, RGWZonePlacementInfo *rule_info) | |
5883 | { | |
5884 | if (location_rule.empty()) { | |
5885 | /* we can only reach here if we're trying to set a bucket location from a bucket | |
5886 | * created on a different zone, using a legacy / default pool configuration | |
5887 | */ | |
5888 | return select_legacy_bucket_placement(rule_info); | |
5889 | } | |
5890 | ||
5891 | /* | |
5892 | * make sure that zone has this rule configured. We're | |
5893 | * checking it for the local zone, because that's where this bucket object is going to | |
5894 | * reside. | |
5895 | */ | |
5896 | map<string, RGWZonePlacementInfo>::iterator piter = get_zone_params().placement_pools.find(location_rule); | |
5897 | if (piter == get_zone_params().placement_pools.end()) { | |
5898 | /* couldn't find, means we cannot really place data for this bucket in this zone */ | |
5899 | if (get_zonegroup().equals(zonegroup_id)) { | |
5900 | /* that's a configuration error, zone should have that rule, as we're within the requested | |
5901 | * zonegroup */ | |
5902 | return -EINVAL; | |
5903 | } else { | |
5904 | /* oh, well, data is not going to be placed here, bucket object is just a placeholder */ | |
5905 | return 0; | |
5906 | } | |
5907 | } | |
5908 | ||
5909 | RGWZonePlacementInfo& placement_info = piter->second; | |
5910 | ||
5911 | if (rule_info) { | |
5912 | *rule_info = placement_info; | |
5913 | } | |
5914 | ||
5915 | return 0; | |
5916 | } | |
5917 | ||
5918 | int RGWRados::select_bucket_placement(RGWUserInfo& user_info, const string& zonegroup_id, const string& placement_rule, | |
5919 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5920 | { | |
5921 | if (!get_zone_params().placement_pools.empty()) { | |
5922 | return select_new_bucket_location(user_info, zonegroup_id, placement_rule, | |
5923 | pselected_rule_name, rule_info); | |
5924 | } | |
5925 | ||
5926 | if (pselected_rule_name) { | |
5927 | pselected_rule_name->clear(); | |
5928 | } | |
5929 | ||
5930 | return select_legacy_bucket_placement(rule_info); | |
5931 | } | |
5932 | ||
5933 | int RGWRados::select_legacy_bucket_placement(RGWZonePlacementInfo *rule_info) | |
5934 | { | |
5935 | bufferlist map_bl; | |
5936 | map<string, bufferlist> m; | |
5937 | string pool_name; | |
5938 | bool write_map = false; | |
5939 | ||
5940 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5941 | ||
5942 | RGWObjectCtx obj_ctx(this); | |
5943 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, avail_pools, map_bl, NULL, NULL); | |
5944 | if (ret < 0) { | |
5945 | goto read_omap; | |
5946 | } | |
5947 | ||
5948 | try { | |
5949 | bufferlist::iterator iter = map_bl.begin(); | |
5950 | ::decode(m, iter); | |
5951 | } catch (buffer::error& err) { | |
5952 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5953 | } | |
5954 | ||
5955 | read_omap: | |
5956 | if (m.empty()) { | |
5957 | bufferlist header; | |
5958 | ret = omap_get_all(obj, header, m); | |
5959 | ||
5960 | write_map = true; | |
5961 | } | |
5962 | ||
5963 | if (ret < 0 || m.empty()) { | |
5964 | vector<rgw_pool> pools; | |
5965 | string s = string("default.") + default_storage_pool_suffix; | |
5966 | pools.push_back(rgw_pool(s)); | |
5967 | vector<int> retcodes; | |
5968 | bufferlist bl; | |
5969 | ret = create_pools(pools, retcodes); | |
5970 | if (ret < 0) | |
5971 | return ret; | |
5972 | ret = omap_set(obj, s, bl); | |
5973 | if (ret < 0) | |
5974 | return ret; | |
5975 | m[s] = bl; | |
5976 | } | |
5977 | ||
5978 | if (write_map) { | |
5979 | bufferlist new_bl; | |
5980 | ::encode(m, new_bl); | |
5981 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
5982 | if (ret < 0) { | |
5983 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
5984 | } | |
5985 | } | |
5986 | ||
5987 | map<string, bufferlist>::iterator miter; | |
5988 | if (m.size() > 1) { | |
5989 | vector<string> v; | |
5990 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
5991 | v.push_back(miter->first); | |
5992 | } | |
5993 | ||
5994 | uint32_t r; | |
5995 | ret = get_random_bytes((char *)&r, sizeof(r)); | |
5996 | if (ret < 0) | |
5997 | return ret; | |
5998 | ||
5999 | int i = r % v.size(); | |
6000 | pool_name = v[i]; | |
6001 | } else { | |
6002 | miter = m.begin(); | |
6003 | pool_name = miter->first; | |
6004 | } | |
6005 | ||
6006 | rule_info->data_pool = pool_name; | |
6007 | rule_info->data_extra_pool = pool_name; | |
6008 | rule_info->index_pool = pool_name; | |
6009 | rule_info->index_type = RGWBIType_Normal; | |
6010 | ||
6011 | return 0; | |
6012 | } | |
6013 | ||
6014 | bool RGWRados::get_obj_data_pool(const string& placement_rule, const rgw_obj& obj, rgw_pool *pool) | |
6015 | { | |
6016 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_rule, obj, pool); | |
6017 | } | |
6018 | ||
6019 | bool RGWRados::obj_to_raw(const string& placement_rule, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
6020 | { | |
6021 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
6022 | ||
6023 | return get_obj_data_pool(placement_rule, obj, &raw_obj->pool); | |
6024 | } | |
6025 | ||
6026 | int RGWRados::update_placement_map() | |
6027 | { | |
6028 | bufferlist header; | |
6029 | map<string, bufferlist> m; | |
6030 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6031 | int ret = omap_get_all(obj, header, m); | |
6032 | if (ret < 0) | |
6033 | return ret; | |
6034 | ||
6035 | bufferlist new_bl; | |
6036 | ::encode(m, new_bl); | |
6037 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
6038 | if (ret < 0) { | |
6039 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
6040 | } | |
6041 | ||
6042 | return ret; | |
6043 | } | |
6044 | ||
6045 | int RGWRados::add_bucket_placement(const rgw_pool& new_pool) | |
6046 | { | |
6047 | librados::Rados *rad = get_rados_handle(); | |
6048 | int ret = rad->pool_lookup(new_pool.name.c_str()); | |
6049 | if (ret < 0) // DNE, or something | |
6050 | return ret; | |
6051 | ||
6052 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6053 | bufferlist empty_bl; | |
6054 | ret = omap_set(obj, new_pool.to_str(), empty_bl); | |
6055 | ||
6056 | // don't care about return value | |
6057 | update_placement_map(); | |
6058 | ||
6059 | return ret; | |
6060 | } | |
6061 | ||
6062 | int RGWRados::remove_bucket_placement(const rgw_pool& old_pool) | |
6063 | { | |
6064 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6065 | int ret = omap_del(obj, old_pool.to_str()); | |
6066 | ||
6067 | // don't care about return value | |
6068 | update_placement_map(); | |
6069 | ||
6070 | return ret; | |
6071 | } | |
6072 | ||
6073 | int RGWRados::list_placement_set(set<rgw_pool>& names) | |
6074 | { | |
6075 | bufferlist header; | |
6076 | map<string, bufferlist> m; | |
6077 | ||
6078 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
6079 | int ret = omap_get_all(obj, header, m); | |
6080 | if (ret < 0) | |
6081 | return ret; | |
6082 | ||
6083 | names.clear(); | |
6084 | map<string, bufferlist>::iterator miter; | |
6085 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
6086 | names.insert(rgw_pool(miter->first)); | |
6087 | } | |
6088 | ||
6089 | return names.size(); | |
6090 | } | |
6091 | ||
6092 | int RGWRados::create_pools(vector<rgw_pool>& pools, vector<int>& retcodes) | |
6093 | { | |
6094 | vector<librados::PoolAsyncCompletion *> completions; | |
6095 | vector<int> rets; | |
6096 | ||
6097 | librados::Rados *rad = get_rados_handle(); | |
6098 | for (auto iter = pools.begin(); iter != pools.end(); ++iter) { | |
6099 | librados::PoolAsyncCompletion *c = librados::Rados::pool_async_create_completion(); | |
6100 | completions.push_back(c); | |
6101 | rgw_pool& pool = *iter; | |
6102 | int ret = rad->pool_create_async(pool.name.c_str(), c); | |
6103 | rets.push_back(ret); | |
6104 | } | |
6105 | ||
6106 | vector<int>::iterator riter; | |
6107 | vector<librados::PoolAsyncCompletion *>::iterator citer; | |
6108 | ||
6109 | assert(rets.size() == completions.size()); | |
6110 | for (riter = rets.begin(), citer = completions.begin(); riter != rets.end(); ++riter, ++citer) { | |
6111 | int r = *riter; | |
6112 | PoolAsyncCompletion *c = *citer; | |
6113 | if (r == 0) { | |
6114 | c->wait(); | |
6115 | r = c->get_return_value(); | |
6116 | if (r < 0) { | |
6117 | ldout(cct, 0) << "WARNING: async pool_create returned " << r << dendl; | |
6118 | } | |
6119 | } | |
6120 | c->release(); | |
6121 | retcodes.push_back(r); | |
6122 | } | |
6123 | return 0; | |
6124 | } | |
6125 | ||
6126 | int RGWRados::get_obj_head_ioctx(const RGWBucketInfo& bucket_info, const rgw_obj& obj, librados::IoCtx *ioctx) | |
6127 | { | |
6128 | string oid, key; | |
6129 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
6130 | ||
6131 | rgw_pool pool; | |
6132 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
6133 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
6134 | return -EIO; | |
6135 | } | |
6136 | ||
6137 | int r = open_pool_ctx(pool, *ioctx); | |
6138 | if (r < 0) { | |
6139 | return r; | |
6140 | } | |
6141 | ||
6142 | ioctx->locator_set_key(key); | |
6143 | ||
6144 | return 0; | |
6145 | } | |
6146 | ||
6147 | int RGWRados::get_obj_head_ref(const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_rados_ref *ref) | |
6148 | { | |
6149 | get_obj_bucket_and_oid_loc(obj, ref->oid, ref->key); | |
6150 | ||
6151 | rgw_pool pool; | |
6152 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
6153 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
6154 | return -EIO; | |
6155 | } | |
6156 | ||
6157 | int r = open_pool_ctx(pool, ref->ioctx); | |
6158 | if (r < 0) { | |
6159 | return r; | |
6160 | } | |
6161 | ||
6162 | ref->ioctx.locator_set_key(ref->key); | |
6163 | ||
6164 | return 0; | |
6165 | } | |
6166 | ||
6167 | int RGWRados::get_raw_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref, rgw_pool *pool) | |
6168 | { | |
6169 | ref->oid = obj.oid; | |
6170 | ref->key = obj.loc; | |
6171 | ||
6172 | int r; | |
6173 | ||
6174 | if (ref->oid.empty()) { | |
6175 | ref->oid = obj.pool.to_str(); | |
6176 | ref->pool = get_zone_params().domain_root; | |
6177 | } else { | |
6178 | ref->pool = obj.pool; | |
6179 | } | |
6180 | if (pool) { | |
6181 | *pool = ref->pool; | |
6182 | } | |
6183 | r = open_pool_ctx(ref->pool, ref->ioctx); | |
6184 | if (r < 0) | |
6185 | return r; | |
6186 | ||
6187 | ref->ioctx.locator_set_key(ref->key); | |
6188 | ||
6189 | return 0; | |
6190 | } | |
6191 | ||
6192 | int RGWRados::get_system_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref, rgw_pool *pool) | |
6193 | { | |
6194 | return get_raw_obj_ref(obj, ref, pool); | |
6195 | } | |
6196 | ||
6197 | /* | |
6198 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
6199 | * up without one | |
6200 | */ | |
6201 | int RGWRados::fix_head_obj_locator(const RGWBucketInfo& bucket_info, bool copy_obj, bool remove_bad, rgw_obj_key& key) | |
6202 | { | |
6203 | const rgw_bucket& bucket = bucket_info.bucket; | |
6204 | string oid; | |
6205 | string locator; | |
6206 | ||
6207 | rgw_obj obj(bucket, key); | |
6208 | ||
6209 | get_obj_bucket_and_oid_loc(obj, oid, locator); | |
6210 | ||
6211 | if (locator.empty()) { | |
6212 | ldout(cct, 20) << "object does not have a locator, nothing to fix" << dendl; | |
6213 | return 0; | |
6214 | } | |
6215 | ||
6216 | librados::IoCtx ioctx; | |
6217 | ||
6218 | int ret = get_obj_head_ioctx(bucket_info, obj, &ioctx); | |
6219 | if (ret < 0) { | |
6220 | cerr << "ERROR: get_obj_head_ioctx() returned ret=" << ret << std::endl; | |
6221 | return ret; | |
6222 | } | |
6223 | ioctx.locator_set_key(string()); /* override locator for this object, use empty locator */ | |
6224 | ||
6225 | uint64_t size; | |
6226 | bufferlist data; | |
6227 | ||
6228 | struct timespec mtime_ts; | |
6229 | map<string, bufferlist> attrs; | |
6230 | librados::ObjectReadOperation op; | |
6231 | op.getxattrs(&attrs, NULL); | |
6232 | op.stat2(&size, &mtime_ts, NULL); | |
6233 | #define HEAD_SIZE 512 * 1024 | |
6234 | op.read(0, HEAD_SIZE, &data, NULL); | |
6235 | ||
6236 | ret = ioctx.operate(oid, &op, NULL); | |
6237 | if (ret < 0) { | |
6238 | lderr(cct) << "ERROR: ioctx.operate(oid=" << oid << ") returned ret=" << ret << dendl; | |
6239 | return ret; | |
6240 | } | |
6241 | ||
6242 | if (size > HEAD_SIZE) { | |
6243 | lderr(cct) << "ERROR: returned object size (" << size << ") > HEAD_SIZE (" << HEAD_SIZE << ")" << dendl; | |
6244 | return -EIO; | |
6245 | } | |
6246 | ||
6247 | if (size != data.length()) { | |
6248 | lderr(cct) << "ERROR: returned object size (" << size << ") != data.length() (" << data.length() << ")" << dendl; | |
6249 | return -EIO; | |
6250 | } | |
6251 | ||
6252 | if (copy_obj) { | |
6253 | librados::ObjectWriteOperation wop; | |
6254 | ||
6255 | wop.mtime2(&mtime_ts); | |
6256 | ||
6257 | map<string, bufferlist>::iterator iter; | |
6258 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6259 | wop.setxattr(iter->first.c_str(), iter->second); | |
6260 | } | |
6261 | ||
6262 | wop.write(0, data); | |
6263 | ||
6264 | ioctx.locator_set_key(locator); | |
6265 | ioctx.operate(oid, &wop); | |
6266 | } | |
6267 | ||
6268 | if (remove_bad) { | |
6269 | ioctx.locator_set_key(string()); | |
6270 | ||
6271 | ret = ioctx.remove(oid); | |
6272 | if (ret < 0) { | |
6273 | lderr(cct) << "ERROR: failed to remove original bad object" << dendl; | |
6274 | return ret; | |
6275 | } | |
6276 | } | |
6277 | ||
6278 | return 0; | |
6279 | } | |
6280 | ||
6281 | int RGWRados::move_rados_obj(librados::IoCtx& src_ioctx, | |
6282 | const string& src_oid, const string& src_locator, | |
6283 | librados::IoCtx& dst_ioctx, | |
6284 | const string& dst_oid, const string& dst_locator) | |
6285 | { | |
6286 | ||
6287 | #define COPY_BUF_SIZE (4 * 1024 * 1024) | |
6288 | bool done = false; | |
6289 | uint64_t chunk_size = COPY_BUF_SIZE; | |
6290 | uint64_t ofs = 0; | |
6291 | int ret = 0; | |
6292 | real_time mtime; | |
6293 | struct timespec mtime_ts; | |
6294 | uint64_t size; | |
6295 | ||
6296 | if (src_oid == dst_oid && src_locator == dst_locator) { | |
6297 | return 0; | |
6298 | } | |
6299 | ||
6300 | src_ioctx.locator_set_key(src_locator); | |
6301 | dst_ioctx.locator_set_key(dst_locator); | |
6302 | ||
6303 | do { | |
6304 | bufferlist data; | |
6305 | ObjectReadOperation rop; | |
6306 | ObjectWriteOperation wop; | |
6307 | ||
6308 | if (ofs == 0) { | |
6309 | rop.stat2(&size, &mtime_ts, NULL); | |
6310 | mtime = real_clock::from_timespec(mtime_ts); | |
6311 | } | |
6312 | rop.read(ofs, chunk_size, &data, NULL); | |
6313 | ret = src_ioctx.operate(src_oid, &rop, NULL); | |
6314 | if (ret < 0) { | |
6315 | goto done_err; | |
6316 | } | |
6317 | ||
6318 | if (data.length() == 0) { | |
6319 | break; | |
6320 | } | |
6321 | ||
6322 | if (ofs == 0) { | |
6323 | wop.create(true); /* make it exclusive */ | |
6324 | wop.mtime2(&mtime_ts); | |
6325 | mtime = real_clock::from_timespec(mtime_ts); | |
6326 | } | |
6327 | wop.write(ofs, data); | |
6328 | ret = dst_ioctx.operate(dst_oid, &wop); | |
6329 | ofs += data.length(); | |
6330 | done = data.length() != chunk_size; | |
6331 | } while (!done); | |
6332 | ||
6333 | if (ofs != size) { | |
6334 | lderr(cct) << "ERROR: " << __func__ << ": copying " << src_oid << " -> " << dst_oid | |
6335 | << ": expected " << size << " bytes to copy, ended up with " << ofs << dendl; | |
6336 | ret = -EIO; | |
6337 | goto done_err; | |
6338 | } | |
6339 | ||
6340 | src_ioctx.remove(src_oid); | |
6341 | ||
6342 | return 0; | |
6343 | ||
6344 | done_err: | |
6345 | lderr(cct) << "ERROR: failed to copy " << src_oid << " -> " << dst_oid << dendl; | |
6346 | return ret; | |
6347 | } | |
6348 | ||
6349 | /* | |
6350 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
6351 | * up without one | |
6352 | */ | |
6353 | int RGWRados::fix_tail_obj_locator(const RGWBucketInfo& bucket_info, rgw_obj_key& key, bool fix, bool *need_fix) | |
6354 | { | |
6355 | const rgw_bucket& bucket = bucket_info.bucket; | |
6356 | rgw_obj obj(bucket, key); | |
6357 | ||
6358 | if (need_fix) { | |
6359 | *need_fix = false; | |
6360 | } | |
6361 | ||
6362 | rgw_rados_ref ref; | |
6363 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
6364 | if (r < 0) { | |
6365 | return r; | |
6366 | } | |
6367 | ||
6368 | RGWObjState *astate = NULL; | |
6369 | RGWObjectCtx rctx(this); | |
6370 | r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
6371 | if (r < 0) | |
6372 | return r; | |
6373 | ||
6374 | if (astate->has_manifest) { | |
6375 | RGWObjManifest::obj_iterator miter; | |
6376 | RGWObjManifest& manifest = astate->manifest; | |
6377 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
6378 | rgw_raw_obj raw_loc = miter.get_location().get_raw_obj(this); | |
6379 | rgw_obj loc; | |
6380 | string oid; | |
6381 | string locator; | |
6382 | ||
6383 | rgw_raw_obj_to_obj(manifest.get_tail_placement().bucket, raw_loc, &loc); | |
6384 | ||
6385 | if (loc.key.ns.empty()) { | |
6386 | /* continue, we're only interested in tail objects */ | |
6387 | continue; | |
6388 | } | |
6389 | ||
6390 | get_obj_bucket_and_oid_loc(loc, oid, locator); | |
6391 | ref.ioctx.locator_set_key(locator); | |
6392 | ||
6393 | ldout(cct, 20) << __func__ << ": key=" << key << " oid=" << oid << " locator=" << locator << dendl; | |
6394 | ||
6395 | r = ref.ioctx.stat(oid, NULL, NULL); | |
6396 | if (r != -ENOENT) { | |
6397 | continue; | |
6398 | } | |
6399 | ||
6400 | string bad_loc; | |
6401 | prepend_bucket_marker(bucket, loc.key.name, bad_loc); | |
6402 | ||
6403 | /* create a new ioctx with the bad locator */ | |
6404 | librados::IoCtx src_ioctx; | |
6405 | src_ioctx.dup(ref.ioctx); | |
6406 | src_ioctx.locator_set_key(bad_loc); | |
6407 | ||
6408 | r = src_ioctx.stat(oid, NULL, NULL); | |
6409 | if (r != 0) { | |
6410 | /* cannot find a broken part */ | |
6411 | continue; | |
6412 | } | |
6413 | ldout(cct, 20) << __func__ << ": found bad object part: " << loc << dendl; | |
6414 | if (need_fix) { | |
6415 | *need_fix = true; | |
6416 | } | |
6417 | if (fix) { | |
6418 | r = move_rados_obj(src_ioctx, oid, bad_loc, ref.ioctx, oid, locator); | |
6419 | if (r < 0) { | |
6420 | lderr(cct) << "ERROR: copy_rados_obj() on oid=" << oid << " returned r=" << r << dendl; | |
6421 | } | |
6422 | } | |
6423 | } | |
6424 | } | |
6425 | ||
6426 | return 0; | |
6427 | } | |
6428 | ||
6429 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, const rgw_obj& obj) | |
6430 | { | |
6431 | bucket = _bucket; | |
6432 | ||
6433 | RGWObjectCtx obj_ctx(store); | |
6434 | ||
6435 | RGWBucketInfo bucket_info; | |
6436 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6437 | if (ret < 0) { | |
6438 | return ret; | |
6439 | } | |
6440 | ||
6441 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, obj.get_hash_object(), &bucket_obj, &shard_id); | |
6442 | if (ret < 0) { | |
6443 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6444 | return ret; | |
6445 | } | |
6446 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6447 | ||
6448 | return 0; | |
6449 | } | |
6450 | ||
6451 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, int sid) | |
6452 | { | |
6453 | bucket = _bucket; | |
6454 | shard_id = sid; | |
6455 | ||
6456 | RGWObjectCtx obj_ctx(store); | |
6457 | ||
6458 | RGWBucketInfo bucket_info; | |
6459 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6460 | if (ret < 0) { | |
6461 | return ret; | |
6462 | } | |
6463 | ||
6464 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, shard_id, &bucket_obj); | |
6465 | if (ret < 0) { | |
6466 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6467 | return ret; | |
6468 | } | |
6469 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6470 | ||
6471 | return 0; | |
6472 | } | |
6473 | ||
6474 | ||
6475 | /* Execute @handler on last item in bucket listing for bucket specified | |
6476 | * in @bucket_info. @obj_prefix and @obj_delim narrow down the listing | |
6477 | * to objects matching these criterias. */ | |
6478 | int RGWRados::on_last_entry_in_listing(RGWBucketInfo& bucket_info, | |
6479 | const std::string& obj_prefix, | |
6480 | const std::string& obj_delim, | |
6481 | std::function<int(const rgw_bucket_dir_entry&)> handler) | |
6482 | { | |
6483 | RGWRados::Bucket target(this, bucket_info); | |
6484 | RGWRados::Bucket::List list_op(&target); | |
6485 | ||
6486 | list_op.params.prefix = obj_prefix; | |
6487 | list_op.params.delim = obj_delim; | |
6488 | ||
6489 | ldout(cct, 20) << "iterating listing for bucket=" << bucket_info.bucket.name | |
6490 | << ", obj_prefix=" << obj_prefix | |
6491 | << ", obj_delim=" << obj_delim | |
6492 | << dendl; | |
6493 | ||
6494 | bool is_truncated = false; | |
6495 | ||
6496 | boost::optional<rgw_bucket_dir_entry> last_entry; | |
6497 | /* We need to rewind to the last object in a listing. */ | |
6498 | do { | |
6499 | /* List bucket entries in chunks. */ | |
6500 | static constexpr int MAX_LIST_OBJS = 100; | |
6501 | std::vector<rgw_bucket_dir_entry> entries(MAX_LIST_OBJS); | |
6502 | ||
6503 | int ret = list_op.list_objects(MAX_LIST_OBJS, &entries, nullptr, | |
6504 | &is_truncated); | |
6505 | if (ret < 0) { | |
6506 | return ret; | |
6507 | } else if (!entries.empty()) { | |
6508 | last_entry = entries.back(); | |
6509 | } | |
6510 | } while (is_truncated); | |
6511 | ||
6512 | if (last_entry) { | |
6513 | return handler(*last_entry); | |
6514 | } | |
6515 | ||
6516 | /* Empty listing - no items we can run handler on. */ | |
6517 | return 0; | |
6518 | } | |
6519 | ||
6520 | ||
6521 | int RGWRados::swift_versioning_copy(RGWObjectCtx& obj_ctx, | |
6522 | const rgw_user& user, | |
6523 | RGWBucketInfo& bucket_info, | |
6524 | rgw_obj& obj) | |
6525 | { | |
6526 | if (! swift_versioning_enabled(bucket_info)) { | |
6527 | return 0; | |
6528 | } | |
6529 | ||
6530 | obj_ctx.obj.set_atomic(obj); | |
6531 | ||
6532 | RGWObjState * state = nullptr; | |
6533 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &state, false); | |
6534 | if (r < 0) { | |
6535 | return r; | |
6536 | } | |
6537 | ||
6538 | if (!state->exists) { | |
6539 | return 0; | |
6540 | } | |
6541 | ||
6542 | string client_id; | |
6543 | string op_id; | |
6544 | ||
6545 | const string& src_name = obj.get_oid(); | |
6546 | char buf[src_name.size() + 32]; | |
6547 | struct timespec ts = ceph::real_clock::to_timespec(state->mtime); | |
6548 | snprintf(buf, sizeof(buf), "%03x%s/%lld.%06ld", (int)src_name.size(), | |
6549 | src_name.c_str(), (long long)ts.tv_sec, ts.tv_nsec / 1000); | |
6550 | ||
6551 | RGWBucketInfo dest_bucket_info; | |
6552 | ||
6553 | r = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, bucket_info.swift_ver_location, dest_bucket_info, NULL, NULL); | |
6554 | if (r < 0) { | |
6555 | ldout(cct, 10) << "failed to read dest bucket info: r=" << r << dendl; | |
6556 | if (r == -ENOENT) { | |
6557 | return -ERR_PRECONDITION_FAILED; | |
6558 | } | |
6559 | return r; | |
6560 | } | |
6561 | ||
6562 | if (dest_bucket_info.owner != bucket_info.owner) { | |
6563 | return -ERR_PRECONDITION_FAILED; | |
6564 | } | |
6565 | ||
6566 | rgw_obj dest_obj(dest_bucket_info.bucket, buf); | |
6567 | obj_ctx.obj.set_atomic(dest_obj); | |
6568 | ||
6569 | string no_zone; | |
6570 | ||
6571 | r = copy_obj(obj_ctx, | |
6572 | user, | |
6573 | client_id, | |
6574 | op_id, | |
6575 | NULL, /* req_info *info */ | |
6576 | no_zone, | |
6577 | dest_obj, | |
6578 | obj, | |
6579 | dest_bucket_info, | |
6580 | bucket_info, | |
6581 | NULL, /* time_t *src_mtime */ | |
6582 | NULL, /* time_t *mtime */ | |
6583 | NULL, /* const time_t *mod_ptr */ | |
6584 | NULL, /* const time_t *unmod_ptr */ | |
6585 | false, /* bool high_precision_time */ | |
6586 | NULL, /* const char *if_match */ | |
6587 | NULL, /* const char *if_nomatch */ | |
6588 | RGWRados::ATTRSMOD_NONE, | |
6589 | true, /* bool copy_if_newer */ | |
6590 | state->attrset, | |
6591 | RGW_OBJ_CATEGORY_MAIN, | |
6592 | 0, /* uint64_t olh_epoch */ | |
6593 | real_time(), /* time_t delete_at */ | |
6594 | NULL, /* string *version_id */ | |
6595 | NULL, /* string *ptag */ | |
6596 | NULL, /* string *petag */ | |
7c673cae FG |
6597 | NULL, /* void (*progress_cb)(off_t, void *) */ |
6598 | NULL); /* void *progress_data */ | |
6599 | if (r == -ECANCELED || r == -ENOENT) { | |
6600 | /* Has already been overwritten, meaning another rgw process already | |
6601 | * copied it out */ | |
6602 | return 0; | |
6603 | } | |
6604 | ||
6605 | return r; | |
6606 | } | |
6607 | ||
6608 | int RGWRados::swift_versioning_restore(RGWObjectCtx& obj_ctx, | |
6609 | const rgw_user& user, | |
6610 | RGWBucketInfo& bucket_info, | |
6611 | rgw_obj& obj, | |
6612 | bool& restored) /* out */ | |
6613 | { | |
6614 | if (! swift_versioning_enabled(bucket_info)) { | |
6615 | return 0; | |
6616 | } | |
6617 | ||
6618 | /* Bucket info of the bucket that stores previous versions of our object. */ | |
6619 | RGWBucketInfo archive_binfo; | |
6620 | ||
6621 | int ret = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, | |
6622 | bucket_info.swift_ver_location, archive_binfo, | |
6623 | nullptr, nullptr); | |
6624 | if (ret < 0) { | |
6625 | return ret; | |
6626 | } | |
6627 | ||
6628 | /* Abort the operation if the bucket storing our archive belongs to someone | |
6629 | * else. This is a limitation in comparison to Swift as we aren't taking ACLs | |
6630 | * into consideration. For we can live with that. | |
6631 | * | |
6632 | * TODO: delegate this check to un upper layer and compare with ACLs. */ | |
6633 | if (bucket_info.owner != archive_binfo.owner) { | |
6634 | return -EPERM; | |
6635 | } | |
6636 | ||
6637 | /* This code will be executed on latest version of the object. */ | |
6638 | const auto handler = [&](const rgw_bucket_dir_entry& entry) -> int { | |
6639 | std::string no_client_id; | |
6640 | std::string no_op_id; | |
6641 | std::string no_zone; | |
6642 | ||
6643 | /* We don't support object versioning of Swift API on those buckets that | |
6644 | * are already versioned using the S3 mechanism. This affects also bucket | |
6645 | * storing archived objects. Otherwise the delete operation would create | |
6646 | * a deletion marker. */ | |
6647 | if (archive_binfo.versioned()) { | |
6648 | restored = false; | |
6649 | return -ERR_PRECONDITION_FAILED; | |
6650 | } | |
6651 | ||
6652 | /* We are requesting ATTRSMOD_NONE so the attr attribute is perfectly | |
6653 | * irrelevant and may be safely skipped. */ | |
6654 | std::map<std::string, ceph::bufferlist> no_attrs; | |
6655 | ||
6656 | rgw_obj archive_obj(archive_binfo.bucket, entry.key); | |
6657 | obj_ctx.obj.set_atomic(archive_obj); | |
6658 | obj_ctx.obj.set_atomic(obj); | |
6659 | ||
6660 | int ret = copy_obj(obj_ctx, | |
6661 | user, | |
6662 | no_client_id, | |
6663 | no_op_id, | |
6664 | nullptr, /* req_info *info */ | |
6665 | no_zone, | |
6666 | obj, /* dest obj */ | |
6667 | archive_obj, /* src obj */ | |
6668 | bucket_info, /* dest bucket info */ | |
6669 | archive_binfo, /* src bucket info */ | |
6670 | nullptr, /* time_t *src_mtime */ | |
6671 | nullptr, /* time_t *mtime */ | |
6672 | nullptr, /* const time_t *mod_ptr */ | |
6673 | nullptr, /* const time_t *unmod_ptr */ | |
6674 | false, /* bool high_precision_time */ | |
6675 | nullptr, /* const char *if_match */ | |
6676 | nullptr, /* const char *if_nomatch */ | |
6677 | RGWRados::ATTRSMOD_NONE, | |
6678 | true, /* bool copy_if_newer */ | |
6679 | no_attrs, | |
6680 | RGW_OBJ_CATEGORY_MAIN, | |
6681 | 0, /* uint64_t olh_epoch */ | |
6682 | real_time(), /* time_t delete_at */ | |
6683 | nullptr, /* string *version_id */ | |
6684 | nullptr, /* string *ptag */ | |
6685 | nullptr, /* string *petag */ | |
7c673cae FG |
6686 | nullptr, /* void (*progress_cb)(off_t, void *) */ |
6687 | nullptr); /* void *progress_data */ | |
6688 | if (ret == -ECANCELED || ret == -ENOENT) { | |
6689 | /* Has already been overwritten, meaning another rgw process already | |
6690 | * copied it out */ | |
6691 | return 0; | |
6692 | } else if (ret < 0) { | |
6693 | return ret; | |
6694 | } else { | |
6695 | restored = true; | |
6696 | } | |
6697 | ||
6698 | /* Need to remove the archived copy. */ | |
6699 | ret = delete_obj(obj_ctx, archive_binfo, archive_obj, | |
6700 | archive_binfo.versioning_status()); | |
6701 | ||
6702 | return ret; | |
6703 | }; | |
6704 | ||
6705 | const std::string& obj_name = obj.get_oid(); | |
6706 | const auto prefix = boost::str(boost::format("%03x%s") % obj_name.size() | |
6707 | % obj_name); | |
6708 | ||
6709 | return on_last_entry_in_listing(archive_binfo, prefix, std::string(), | |
6710 | handler); | |
6711 | } | |
6712 | ||
6713 | /** | |
6714 | * Write/overwrite an object to the bucket storage. | |
6715 | * bucket: the bucket to store the object in | |
6716 | * obj: the object name/key | |
6717 | * data: the object contents/value | |
6718 | * size: the amount of data to write (data must be this long) | |
6719 | * accounted_size: original size of data before compression, encryption | |
6720 | * mtime: if non-NULL, writes the given mtime to the bucket storage | |
6721 | * attrs: all the given attrs are written to bucket storage for the given object | |
6722 | * exclusive: create object exclusively | |
6723 | * Returns: 0 on success, -ERR# otherwise. | |
6724 | */ | |
6725 | int RGWRados::Object::Write::_do_write_meta(uint64_t size, uint64_t accounted_size, | |
6726 | map<string, bufferlist>& attrs, bool assume_noent, | |
6727 | void *_index_op) | |
6728 | { | |
6729 | RGWRados::Bucket::UpdateIndex *index_op = static_cast<RGWRados::Bucket::UpdateIndex *>(_index_op); | |
6730 | rgw_pool pool; | |
6731 | rgw_rados_ref ref; | |
6732 | RGWRados *store = target->get_store(); | |
6733 | ||
6734 | ObjectWriteOperation op; | |
6735 | ||
6736 | RGWObjState *state; | |
6737 | int r = target->get_state(&state, false, assume_noent); | |
6738 | if (r < 0) | |
6739 | return r; | |
6740 | ||
6741 | rgw_obj& obj = target->get_obj(); | |
6742 | ||
6743 | if (obj.get_oid().empty()) { | |
6744 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << "(): cannot write object with empty name" << dendl; | |
6745 | return -EIO; | |
6746 | } | |
6747 | ||
6748 | r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); | |
6749 | if (r < 0) | |
6750 | return r; | |
6751 | ||
6752 | bool is_olh = state->is_olh; | |
6753 | ||
6754 | bool reset_obj = (meta.flags & PUT_OBJ_CREATE) != 0; | |
6755 | ||
6756 | const string *ptag = meta.ptag; | |
6757 | if (!ptag && !index_op->get_optag()->empty()) { | |
6758 | ptag = index_op->get_optag(); | |
6759 | } | |
6760 | r = target->prepare_atomic_modification(op, reset_obj, ptag, meta.if_match, meta.if_nomatch, false); | |
6761 | if (r < 0) | |
6762 | return r; | |
6763 | ||
6764 | if (real_clock::is_zero(meta.set_mtime)) { | |
6765 | meta.set_mtime = real_clock::now(); | |
6766 | } | |
6767 | ||
6768 | if (state->is_olh) { | |
6769 | op.setxattr(RGW_ATTR_OLH_ID_TAG, state->olh_tag); | |
6770 | } | |
6771 | ||
6772 | struct timespec mtime_ts = real_clock::to_timespec(meta.set_mtime); | |
6773 | op.mtime2(&mtime_ts); | |
6774 | ||
6775 | if (meta.data) { | |
6776 | /* if we want to overwrite the data, we also want to overwrite the | |
6777 | xattrs, so just remove the object */ | |
6778 | op.write_full(*meta.data); | |
6779 | } | |
6780 | ||
6781 | string etag; | |
6782 | string content_type; | |
6783 | bufferlist acl_bl; | |
6784 | ||
6785 | map<string, bufferlist>::iterator iter; | |
6786 | if (meta.rmattrs) { | |
6787 | for (iter = meta.rmattrs->begin(); iter != meta.rmattrs->end(); ++iter) { | |
6788 | const string& name = iter->first; | |
6789 | op.rmxattr(name.c_str()); | |
6790 | } | |
6791 | } | |
6792 | ||
6793 | if (meta.manifest) { | |
6794 | /* remove existing manifest attr */ | |
6795 | iter = attrs.find(RGW_ATTR_MANIFEST); | |
6796 | if (iter != attrs.end()) | |
6797 | attrs.erase(iter); | |
6798 | ||
6799 | bufferlist bl; | |
6800 | ::encode(*meta.manifest, bl); | |
6801 | op.setxattr(RGW_ATTR_MANIFEST, bl); | |
6802 | } | |
6803 | ||
6804 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6805 | const string& name = iter->first; | |
6806 | bufferlist& bl = iter->second; | |
6807 | ||
6808 | if (!bl.length()) | |
6809 | continue; | |
6810 | ||
6811 | op.setxattr(name.c_str(), bl); | |
6812 | ||
6813 | if (name.compare(RGW_ATTR_ETAG) == 0) { | |
6814 | etag = bl.c_str(); | |
6815 | } else if (name.compare(RGW_ATTR_CONTENT_TYPE) == 0) { | |
6816 | content_type = bl.c_str(); | |
6817 | } else if (name.compare(RGW_ATTR_ACL) == 0) { | |
6818 | acl_bl = bl; | |
6819 | } | |
6820 | } | |
6821 | if (attrs.find(RGW_ATTR_PG_VER) == attrs.end()) { | |
6822 | cls_rgw_obj_store_pg_ver(op, RGW_ATTR_PG_VER); | |
6823 | } | |
6824 | ||
6825 | if (attrs.find(RGW_ATTR_SOURCE_ZONE) == attrs.end()) { | |
6826 | bufferlist bl; | |
6827 | ::encode(store->get_zone_short_id(), bl); | |
6828 | op.setxattr(RGW_ATTR_SOURCE_ZONE, bl); | |
6829 | } | |
6830 | ||
6831 | if (!op.size()) | |
6832 | return 0; | |
6833 | ||
6834 | uint64_t epoch; | |
6835 | int64_t poolid; | |
6836 | ||
6837 | bool orig_exists = state->exists; | |
6838 | uint64_t orig_size = state->accounted_size; | |
6839 | ||
6840 | bool versioned_target = (meta.olh_epoch > 0 || !obj.key.instance.empty()); | |
6841 | ||
6842 | bool versioned_op = (target->versioning_enabled() || is_olh || versioned_target); | |
6843 | ||
6844 | if (versioned_op) { | |
6845 | index_op->set_bilog_flags(RGW_BILOG_FLAG_VERSIONED_OP); | |
6846 | } | |
6847 | ||
6848 | if (!index_op->is_prepared()) { | |
6849 | r = index_op->prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
6850 | if (r < 0) | |
6851 | return r; | |
6852 | } | |
6853 | ||
6854 | r = ref.ioctx.operate(ref.oid, &op); | |
6855 | if (r < 0) { /* we can expect to get -ECANCELED if object was replaced under, | |
6856 | or -ENOENT if was removed, or -EEXIST if it did not exist | |
6857 | before and now it does */ | |
6858 | if (r == -EEXIST && assume_noent) { | |
6859 | target->invalidate_state(); | |
6860 | return r; | |
6861 | } | |
6862 | goto done_cancel; | |
6863 | } | |
6864 | ||
6865 | epoch = ref.ioctx.get_last_version(); | |
6866 | poolid = ref.ioctx.get_id(); | |
6867 | ||
6868 | r = target->complete_atomic_modification(); | |
6869 | if (r < 0) { | |
6870 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned r=" << r << dendl; | |
6871 | } | |
6872 | ||
6873 | r = index_op->complete(poolid, epoch, size, accounted_size, | |
6874 | meta.set_mtime, etag, content_type, &acl_bl, | |
6875 | meta.category, meta.remove_objs, meta.user_data); | |
6876 | if (r < 0) | |
6877 | goto done_cancel; | |
6878 | ||
6879 | if (meta.mtime) { | |
6880 | *meta.mtime = meta.set_mtime; | |
6881 | } | |
6882 | ||
6883 | /* note that index_op was using state so we couldn't invalidate it earlier */ | |
6884 | target->invalidate_state(); | |
6885 | state = NULL; | |
6886 | ||
6887 | if (versioned_op) { | |
31f18b77 | 6888 | 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 |
6889 | if (r < 0) { |
6890 | return r; | |
6891 | } | |
6892 | } | |
6893 | ||
6894 | if (!real_clock::is_zero(meta.delete_at)) { | |
6895 | rgw_obj_index_key obj_key; | |
6896 | obj.key.get_index_key(&obj_key); | |
6897 | ||
6898 | r = store->objexp_hint_add(meta.delete_at, | |
6899 | obj.bucket.tenant, obj.bucket.name, obj.bucket.bucket_id, obj_key); | |
6900 | if (r < 0) { | |
6901 | ldout(store->ctx(), 0) << "ERROR: objexp_hint_add() returned r=" << r << ", object will not get removed" << dendl; | |
6902 | /* ignoring error, nothing we can do at this point */ | |
6903 | } | |
6904 | } | |
6905 | meta.canceled = false; | |
6906 | ||
6907 | /* update quota cache */ | |
6908 | store->quota_handler->update_stats(meta.owner, obj.bucket, (orig_exists ? 0 : 1), | |
6909 | accounted_size, orig_size); | |
6910 | return 0; | |
6911 | ||
6912 | done_cancel: | |
6913 | int ret = index_op->cancel(); | |
6914 | if (ret < 0) { | |
6915 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel()() returned ret=" << ret << dendl; | |
6916 | } | |
6917 | ||
6918 | meta.canceled = true; | |
6919 | ||
6920 | /* we lost in a race. There are a few options: | |
6921 | * - existing object was rewritten (ECANCELED) | |
6922 | * - non existing object was created (EEXIST) | |
6923 | * - object was removed (ENOENT) | |
6924 | * should treat it as a success | |
6925 | */ | |
6926 | if (meta.if_match == NULL && meta.if_nomatch == NULL) { | |
6927 | if (r == -ECANCELED || r == -ENOENT || r == -EEXIST) { | |
6928 | r = 0; | |
6929 | } | |
6930 | } else { | |
6931 | if (meta.if_match != NULL) { | |
6932 | // only overwrite existing object | |
6933 | if (strcmp(meta.if_match, "*") == 0) { | |
6934 | if (r == -ENOENT) { | |
6935 | r = -ERR_PRECONDITION_FAILED; | |
6936 | } else if (r == -ECANCELED) { | |
6937 | r = 0; | |
6938 | } | |
6939 | } | |
6940 | } | |
6941 | ||
6942 | if (meta.if_nomatch != NULL) { | |
6943 | // only create a new object | |
6944 | if (strcmp(meta.if_nomatch, "*") == 0) { | |
6945 | if (r == -EEXIST) { | |
6946 | r = -ERR_PRECONDITION_FAILED; | |
6947 | } else if (r == -ENOENT) { | |
6948 | r = 0; | |
6949 | } | |
6950 | } | |
6951 | } | |
6952 | } | |
6953 | ||
6954 | return r; | |
6955 | } | |
6956 | ||
6957 | int RGWRados::Object::Write::write_meta(uint64_t size, uint64_t accounted_size, | |
6958 | map<string, bufferlist>& attrs) | |
6959 | { | |
6960 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
6961 | ||
6962 | RGWRados::Bucket bop(target->get_store(), bucket_info); | |
6963 | RGWRados::Bucket::UpdateIndex index_op(&bop, target->get_obj()); | |
31f18b77 FG |
6964 | index_op.set_zones_trace(meta.zones_trace); |
6965 | ||
7c673cae FG |
6966 | bool assume_noent = (meta.if_match == NULL && meta.if_nomatch == NULL); |
6967 | int r; | |
6968 | if (assume_noent) { | |
6969 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
6970 | if (r == -EEXIST) { | |
6971 | assume_noent = false; | |
6972 | } | |
6973 | } | |
6974 | if (!assume_noent) { | |
6975 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
6976 | } | |
6977 | return r; | |
6978 | } | |
6979 | ||
6980 | /** Write/overwrite a system object. */ | |
6981 | int RGWRados::put_system_obj_impl(rgw_raw_obj& obj, uint64_t size, real_time *mtime, | |
6982 | map<std::string, bufferlist>& attrs, int flags, | |
6983 | bufferlist& data, | |
6984 | RGWObjVersionTracker *objv_tracker, | |
6985 | real_time set_mtime /* 0 for don't set */) | |
6986 | { | |
6987 | rgw_pool pool; | |
6988 | rgw_rados_ref ref; | |
6989 | int r = get_system_obj_ref(obj, &ref, &pool); | |
6990 | if (r < 0) | |
6991 | return r; | |
6992 | ||
6993 | ObjectWriteOperation op; | |
6994 | ||
6995 | if (flags & PUT_OBJ_EXCL) { | |
6996 | if (!(flags & PUT_OBJ_CREATE)) | |
6997 | return -EINVAL; | |
6998 | op.create(true); // exclusive create | |
6999 | } else { | |
7000 | op.remove(); | |
7001 | op.set_op_flags2(LIBRADOS_OP_FLAG_FAILOK); | |
7002 | op.create(false); | |
7003 | } | |
7004 | ||
7005 | if (objv_tracker) { | |
7006 | objv_tracker->prepare_op_for_write(&op); | |
7007 | } | |
7008 | ||
7009 | if (real_clock::is_zero(set_mtime)) { | |
7010 | set_mtime = real_clock::now(); | |
7011 | } | |
7012 | ||
7013 | struct timespec mtime_ts = real_clock::to_timespec(set_mtime); | |
7014 | op.mtime2(&mtime_ts); | |
7015 | op.write_full(data); | |
7016 | ||
7017 | bufferlist acl_bl; | |
7018 | ||
7019 | for (map<string, bufferlist>::iterator iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
7020 | const string& name = iter->first; | |
7021 | bufferlist& bl = iter->second; | |
7022 | ||
7023 | if (!bl.length()) | |
7024 | continue; | |
7025 | ||
7026 | op.setxattr(name.c_str(), bl); | |
7027 | } | |
7028 | ||
7029 | r = ref.ioctx.operate(ref.oid, &op); | |
7030 | if (r < 0) { | |
7031 | return r; | |
7032 | } | |
7033 | ||
7034 | if (objv_tracker) { | |
7035 | objv_tracker->apply_write(); | |
7036 | } | |
7037 | ||
7038 | if (mtime) { | |
7039 | *mtime = set_mtime; | |
7040 | } | |
7041 | ||
7042 | return 0; | |
7043 | } | |
7044 | ||
7045 | int RGWRados::put_system_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
7046 | off_t ofs, bool exclusive, | |
7047 | RGWObjVersionTracker *objv_tracker) | |
7048 | { | |
7049 | rgw_rados_ref ref; | |
7050 | rgw_pool pool; | |
7051 | int r = get_system_obj_ref(obj, &ref, &pool); | |
7052 | if (r < 0) { | |
7053 | return r; | |
7054 | } | |
7055 | ||
7056 | ObjectWriteOperation op; | |
7057 | ||
7058 | if (exclusive) | |
7059 | op.create(true); | |
7060 | ||
7061 | if (objv_tracker) { | |
7062 | objv_tracker->prepare_op_for_write(&op); | |
7063 | } | |
7064 | if (ofs == -1) { | |
7065 | op.write_full(bl); | |
7066 | } else { | |
7067 | op.write(ofs, bl); | |
7068 | } | |
7069 | r = ref.ioctx.operate(ref.oid, &op); | |
7070 | if (r < 0) | |
7071 | return r; | |
7072 | ||
7073 | if (objv_tracker) { | |
7074 | objv_tracker->apply_write(); | |
7075 | } | |
7076 | return 0; | |
7077 | } | |
7078 | ||
7079 | /** | |
7080 | * Write/overwrite an object to the bucket storage. | |
7081 | * bucket: the bucket to store the object in | |
7082 | * obj: the object name/key | |
7083 | * data: the object contents/value | |
7084 | * offset: the offet to write to in the object | |
7085 | * If this is -1, we will overwrite the whole object. | |
7086 | * size: the amount of data to write (data must be this long) | |
7087 | * attrs: all the given attrs are written to bucket storage for the given object | |
7088 | * Returns: 0 on success, -ERR# otherwise. | |
7089 | */ | |
7090 | ||
7091 | int RGWRados::aio_put_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
7092 | off_t ofs, bool exclusive, | |
7093 | void **handle) | |
7094 | { | |
7095 | rgw_rados_ref ref; | |
7096 | int r = get_raw_obj_ref(obj, &ref); | |
7097 | if (r < 0) { | |
7098 | return r; | |
7099 | } | |
7100 | ||
7101 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
7102 | *handle = c; | |
7103 | ||
7104 | ObjectWriteOperation op; | |
7105 | ||
7106 | if (exclusive) | |
7107 | op.create(true); | |
7108 | ||
7109 | if (ofs == -1) { | |
7110 | op.write_full(bl); | |
7111 | } else { | |
7112 | op.write(ofs, bl); | |
7113 | } | |
7114 | r = ref.ioctx.aio_operate(ref.oid, c, &op); | |
7115 | if (r < 0) | |
7116 | return r; | |
7117 | ||
7118 | return 0; | |
7119 | } | |
7120 | ||
7121 | int RGWRados::aio_wait(void *handle) | |
7122 | { | |
7123 | AioCompletion *c = (AioCompletion *)handle; | |
7124 | c->wait_for_safe(); | |
7125 | int ret = c->get_return_value(); | |
7126 | c->release(); | |
7127 | return ret; | |
7128 | } | |
7129 | ||
7130 | bool RGWRados::aio_completed(void *handle) | |
7131 | { | |
7132 | AioCompletion *c = (AioCompletion *)handle; | |
7133 | return c->is_safe(); | |
7134 | } | |
7135 | ||
7136 | class RGWRadosPutObj : public RGWGetDataCB | |
7137 | { | |
7138 | CephContext* cct; | |
7139 | rgw_obj obj; | |
7140 | RGWPutObjDataProcessor *filter; | |
7141 | boost::optional<RGWPutObj_Compress>& compressor; | |
7142 | CompressorRef& plugin; | |
7143 | RGWPutObjProcessor_Atomic *processor; | |
7144 | RGWOpStateSingleOp *opstate; | |
7145 | void (*progress_cb)(off_t, void *); | |
7146 | void *progress_data; | |
7147 | bufferlist extra_data_bl; | |
7148 | uint64_t extra_data_len; | |
7149 | uint64_t data_len; | |
7150 | map<string, bufferlist> src_attrs; | |
7151 | public: | |
7152 | RGWRadosPutObj(CephContext* cct, | |
7153 | CompressorRef& plugin, | |
7154 | boost::optional<RGWPutObj_Compress>& compressor, | |
7155 | RGWPutObjProcessor_Atomic *p, | |
7156 | RGWOpStateSingleOp *_ops, | |
7157 | void (*_progress_cb)(off_t, void *), | |
7158 | void *_progress_data) : | |
7159 | cct(cct), | |
7160 | filter(p), | |
7161 | compressor(compressor), | |
7162 | plugin(plugin), | |
7163 | processor(p), | |
7164 | opstate(_ops), | |
7165 | progress_cb(_progress_cb), | |
7166 | progress_data(_progress_data), | |
7167 | extra_data_len(0), | |
7168 | data_len(0) {} | |
7169 | ||
7170 | int process_attrs(void) { | |
7171 | if (extra_data_bl.length()) { | |
7172 | JSONParser jp; | |
7173 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
7174 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
7175 | return -EIO; | |
7176 | } | |
7177 | ||
7178 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
7179 | ||
7180 | src_attrs.erase(RGW_ATTR_COMPRESSION); | |
7181 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
7182 | } | |
7183 | ||
7184 | if (plugin && src_attrs.find(RGW_ATTR_CRYPT_MODE) == src_attrs.end()) { | |
7185 | //do not compress if object is encrypted | |
7186 | compressor = boost::in_place(cct, plugin, filter); | |
7187 | filter = &*compressor; | |
7188 | } | |
7189 | return 0; | |
7190 | } | |
7191 | ||
7192 | int handle_data(bufferlist& bl, off_t ofs, off_t len) override { | |
7193 | if (progress_cb) { | |
7194 | progress_cb(ofs, progress_data); | |
7195 | } | |
7196 | if (extra_data_len) { | |
7197 | size_t extra_len = bl.length(); | |
7198 | if (extra_len > extra_data_len) | |
7199 | extra_len = extra_data_len; | |
7200 | ||
7201 | bufferlist extra; | |
7202 | bl.splice(0, extra_len, &extra); | |
7203 | extra_data_bl.append(extra); | |
7204 | ||
7205 | extra_data_len -= extra_len; | |
7206 | if (extra_data_len == 0) { | |
7207 | int res = process_attrs(); | |
7208 | if (res < 0) | |
7209 | return res; | |
7210 | } | |
7211 | if (bl.length() == 0) { | |
7212 | return 0; | |
7213 | } | |
7214 | } | |
7215 | data_len += bl.length(); | |
7216 | bool again = false; | |
7217 | ||
7218 | bool need_opstate = true; | |
7219 | ||
7220 | do { | |
7221 | void *handle = NULL; | |
7222 | rgw_raw_obj obj; | |
7223 | uint64_t size = bl.length(); | |
7224 | int ret = filter->handle_data(bl, ofs, &handle, &obj, &again); | |
7225 | if (ret < 0) | |
7226 | return ret; | |
7227 | ||
7228 | if (need_opstate && opstate) { | |
7229 | /* need to update opstate repository with new state. This is ratelimited, so we're not | |
7230 | * really doing it every time | |
7231 | */ | |
7232 | ret = opstate->renew_state(); | |
7233 | if (ret < 0) { | |
7234 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): failed to renew op state ret=" << ret << dendl; | |
7235 | int r = filter->throttle_data(handle, obj, size, false); | |
7236 | if (r < 0) { | |
7237 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): processor->throttle_data() returned " << r << dendl; | |
7238 | } | |
7239 | /* could not renew state! might have been marked as cancelled */ | |
7240 | return ret; | |
7241 | } | |
7242 | need_opstate = false; | |
7243 | } | |
7244 | ||
7245 | ret = filter->throttle_data(handle, obj, size, false); | |
7246 | if (ret < 0) | |
7247 | return ret; | |
7248 | } while (again); | |
7249 | ||
7250 | return 0; | |
7251 | } | |
7252 | ||
7253 | bufferlist& get_extra_data() { return extra_data_bl; } | |
7254 | ||
7255 | map<string, bufferlist>& get_attrs() { return src_attrs; } | |
7256 | ||
7257 | void set_extra_data_len(uint64_t len) override { | |
7258 | extra_data_len = len; | |
7259 | } | |
7260 | ||
7261 | uint64_t get_data_len() { | |
7262 | return data_len; | |
7263 | } | |
7264 | ||
7265 | int complete(const string& etag, real_time *mtime, real_time set_mtime, | |
31f18b77 FG |
7266 | map<string, bufferlist>& attrs, real_time delete_at, rgw_zone_set *zones_trace) { |
7267 | return processor->complete(data_len, etag, mtime, set_mtime, attrs, delete_at, NULL, NULL, NULL, zones_trace); | |
7c673cae FG |
7268 | } |
7269 | ||
7270 | bool is_canceled() { | |
7271 | return processor->is_canceled(); | |
7272 | } | |
7273 | }; | |
7274 | ||
7275 | /* | |
7276 | * prepare attrset depending on attrs_mod. | |
7277 | */ | |
7278 | static void set_copy_attrs(map<string, bufferlist>& src_attrs, | |
7279 | map<string, bufferlist>& attrs, | |
7280 | RGWRados::AttrsMod attrs_mod) | |
7281 | { | |
7282 | switch (attrs_mod) { | |
7283 | case RGWRados::ATTRSMOD_NONE: | |
7284 | attrs = src_attrs; | |
7285 | break; | |
7286 | case RGWRados::ATTRSMOD_REPLACE: | |
7287 | if (!attrs[RGW_ATTR_ETAG].length()) { | |
7288 | attrs[RGW_ATTR_ETAG] = src_attrs[RGW_ATTR_ETAG]; | |
7289 | } | |
7290 | break; | |
7291 | case RGWRados::ATTRSMOD_MERGE: | |
7292 | for (map<string, bufferlist>::iterator it = src_attrs.begin(); it != src_attrs.end(); ++it) { | |
7293 | if (attrs.find(it->first) == attrs.end()) { | |
7294 | attrs[it->first] = it->second; | |
7295 | } | |
7296 | } | |
7297 | break; | |
7298 | } | |
7299 | } | |
7300 | ||
7301 | int RGWRados::rewrite_obj(RGWBucketInfo& dest_bucket_info, rgw_obj& obj) | |
7302 | { | |
7303 | map<string, bufferlist> attrset; | |
7304 | ||
7305 | real_time mtime; | |
7306 | uint64_t obj_size; | |
7307 | RGWObjectCtx rctx(this); | |
7308 | ||
7309 | RGWRados::Object op_target(this, dest_bucket_info, rctx, obj); | |
7310 | RGWRados::Object::Read read_op(&op_target); | |
7311 | ||
7312 | read_op.params.attrs = &attrset; | |
7313 | read_op.params.lastmod = &mtime; | |
7314 | read_op.params.obj_size = &obj_size; | |
7315 | ||
7316 | int ret = read_op.prepare(); | |
7317 | if (ret < 0) | |
7318 | return ret; | |
7319 | ||
7320 | attrset.erase(RGW_ATTR_ID_TAG); | |
7321 | ||
7322 | uint64_t max_chunk_size; | |
7323 | ||
7324 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, obj, &max_chunk_size); | |
7325 | if (ret < 0) { | |
7326 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << obj.bucket << dendl; | |
7327 | return ret; | |
7328 | } | |
7329 | ||
7330 | return copy_obj_data(rctx, dest_bucket_info, read_op, obj_size - 1, obj, obj, max_chunk_size, NULL, mtime, attrset, | |
31f18b77 | 7331 | RGW_OBJ_CATEGORY_MAIN, 0, real_time(), NULL, NULL, NULL); |
7c673cae FG |
7332 | } |
7333 | ||
7334 | struct obj_time_weight { | |
7335 | real_time mtime; | |
7336 | uint32_t zone_short_id; | |
7337 | uint64_t pg_ver; | |
7338 | bool high_precision; | |
7339 | ||
7340 | obj_time_weight() : zone_short_id(0), pg_ver(0), high_precision(false) {} | |
7341 | ||
7342 | bool compare_low_precision(const obj_time_weight& rhs) { | |
7343 | struct timespec l = ceph::real_clock::to_timespec(mtime); | |
7344 | struct timespec r = ceph::real_clock::to_timespec(rhs.mtime); | |
7345 | l.tv_nsec = 0; | |
7346 | r.tv_nsec = 0; | |
7347 | if (l > r) { | |
7348 | return false; | |
7349 | } | |
7350 | if (l < r) { | |
7351 | return true; | |
7352 | } | |
7353 | if (zone_short_id != rhs.zone_short_id) { | |
7354 | return (zone_short_id < rhs.zone_short_id); | |
7355 | } | |
7356 | return (pg_ver < rhs.pg_ver); | |
7357 | ||
7358 | } | |
7359 | ||
7360 | bool operator<(const obj_time_weight& rhs) { | |
7361 | if (!high_precision || !rhs.high_precision) { | |
7362 | return compare_low_precision(rhs); | |
7363 | } | |
7364 | if (mtime > rhs.mtime) { | |
7365 | return false; | |
7366 | } | |
7367 | if (mtime < rhs.mtime) { | |
7368 | return true; | |
7369 | } | |
7370 | if (zone_short_id != rhs.zone_short_id) { | |
7371 | return (zone_short_id < rhs.zone_short_id); | |
7372 | } | |
7373 | return (pg_ver < rhs.pg_ver); | |
7374 | } | |
7375 | ||
7376 | void init(const real_time& _mtime, uint32_t _short_id, uint64_t _pg_ver) { | |
7377 | mtime = _mtime; | |
7378 | zone_short_id = _short_id; | |
7379 | pg_ver = _pg_ver; | |
7380 | } | |
7381 | ||
7382 | void init(RGWObjState *state) { | |
7383 | mtime = state->mtime; | |
7384 | zone_short_id = state->zone_short_id; | |
7385 | pg_ver = state->pg_ver; | |
7386 | } | |
7387 | }; | |
7388 | ||
7389 | inline ostream& operator<<(ostream& out, const obj_time_weight &o) { | |
7390 | out << o.mtime; | |
7391 | ||
7392 | if (o.zone_short_id != 0 || o.pg_ver != 0) { | |
7393 | out << "[zid=" << o.zone_short_id << ", pgv=" << o.pg_ver << "]"; | |
7394 | } | |
7395 | ||
7396 | return out; | |
7397 | } | |
7398 | ||
7399 | class RGWGetExtraDataCB : public RGWGetDataCB { | |
7400 | bufferlist extra_data; | |
7401 | public: | |
7402 | RGWGetExtraDataCB() {} | |
7403 | int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override { | |
7404 | if (extra_data.length() < extra_data_len) { | |
7405 | off_t max = extra_data_len - extra_data.length(); | |
7406 | if (max > bl_len) { | |
7407 | max = bl_len; | |
7408 | } | |
7409 | bl.splice(0, max, &extra_data); | |
7410 | } | |
7411 | return bl_len; | |
7412 | } | |
7413 | ||
7414 | bufferlist& get_extra_data() { | |
7415 | return extra_data; | |
7416 | } | |
7417 | }; | |
7418 | ||
7419 | int RGWRados::stat_remote_obj(RGWObjectCtx& obj_ctx, | |
7420 | const rgw_user& user_id, | |
7421 | const string& client_id, | |
7422 | req_info *info, | |
7423 | const string& source_zone, | |
7424 | rgw_obj& src_obj, | |
7425 | RGWBucketInfo& src_bucket_info, | |
7426 | real_time *src_mtime, | |
7427 | uint64_t *psize, | |
7428 | const real_time *mod_ptr, | |
7429 | const real_time *unmod_ptr, | |
7430 | bool high_precision_time, | |
7431 | const char *if_match, | |
7432 | const char *if_nomatch, | |
7433 | map<string, bufferlist> *pattrs, | |
7434 | string *version_id, | |
7435 | string *ptag, | |
7436 | string *petag) | |
7437 | { | |
7438 | /* source is in a different zonegroup, copy from there */ | |
7439 | ||
7440 | RGWRESTStreamRWRequest *in_stream_req; | |
7441 | string tag; | |
7442 | map<string, bufferlist> src_attrs; | |
7443 | append_rand_alpha(cct, tag, tag, 32); | |
7444 | obj_time_weight set_mtime_weight; | |
7445 | set_mtime_weight.high_precision = high_precision_time; | |
7446 | ||
7447 | RGWRESTConn *conn; | |
7448 | if (source_zone.empty()) { | |
7449 | if (src_bucket_info.zonegroup.empty()) { | |
7450 | /* source is in the master zonegroup */ | |
7451 | conn = rest_master_conn; | |
7452 | } else { | |
7453 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7454 | if (iter == zonegroup_conn_map.end()) { | |
7455 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7456 | return -ENOENT; | |
7457 | } | |
7458 | conn = iter->second; | |
7459 | } | |
7460 | } else { | |
7461 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7462 | if (iter == zone_conn_map.end()) { | |
7463 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7464 | return -ENOENT; | |
7465 | } | |
7466 | conn = iter->second; | |
7467 | } | |
7468 | ||
7469 | RGWGetExtraDataCB cb; | |
7470 | string etag; | |
7471 | map<string, string> req_headers; | |
7472 | real_time set_mtime; | |
7473 | ||
7474 | const real_time *pmod = mod_ptr; | |
7475 | ||
7476 | obj_time_weight dest_mtime_weight; | |
7477 | ||
7478 | int ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7479 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7480 | true /* prepend_meta */, true /* GET */, true /* rgwx-stat */, | |
7481 | true /* sync manifest */, &cb, &in_stream_req); | |
7482 | if (ret < 0) { | |
7483 | return ret; | |
7484 | } | |
7485 | ||
7486 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, psize, req_headers); | |
7487 | if (ret < 0) { | |
7488 | return ret; | |
7489 | } | |
7490 | ||
7491 | bufferlist& extra_data_bl = cb.get_extra_data(); | |
7492 | if (extra_data_bl.length()) { | |
7493 | JSONParser jp; | |
7494 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
7495 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
7496 | return -EIO; | |
7497 | } | |
7498 | ||
7499 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
7500 | ||
7501 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
7502 | } | |
7503 | ||
7504 | if (src_mtime) { | |
7505 | *src_mtime = set_mtime; | |
7506 | } | |
7507 | ||
7508 | if (petag) { | |
7509 | map<string, bufferlist>::iterator iter = src_attrs.find(RGW_ATTR_ETAG); | |
7510 | if (iter != src_attrs.end()) { | |
7511 | bufferlist& etagbl = iter->second; | |
7512 | *petag = etagbl.to_str(); | |
7513 | } | |
7514 | } | |
7515 | ||
7516 | if (pattrs) { | |
7517 | *pattrs = src_attrs; | |
7518 | } | |
7519 | ||
7520 | return 0; | |
7521 | } | |
7522 | ||
7523 | int RGWRados::fetch_remote_obj(RGWObjectCtx& obj_ctx, | |
7524 | const rgw_user& user_id, | |
7525 | const string& client_id, | |
7526 | const string& op_id, | |
7527 | bool record_op_state, | |
7528 | req_info *info, | |
7529 | const string& source_zone, | |
7530 | rgw_obj& dest_obj, | |
7531 | rgw_obj& src_obj, | |
7532 | RGWBucketInfo& dest_bucket_info, | |
7533 | RGWBucketInfo& src_bucket_info, | |
7534 | real_time *src_mtime, | |
7535 | real_time *mtime, | |
7536 | const real_time *mod_ptr, | |
7537 | const real_time *unmod_ptr, | |
7538 | bool high_precision_time, | |
7539 | const char *if_match, | |
7540 | const char *if_nomatch, | |
7541 | AttrsMod attrs_mod, | |
7542 | bool copy_if_newer, | |
7543 | map<string, bufferlist>& attrs, | |
7544 | RGWObjCategory category, | |
7545 | uint64_t olh_epoch, | |
7546 | real_time delete_at, | |
7547 | string *version_id, | |
7548 | string *ptag, | |
7549 | ceph::buffer::list *petag, | |
7c673cae | 7550 | void (*progress_cb)(off_t, void *), |
31f18b77 FG |
7551 | void *progress_data, |
7552 | rgw_zone_set *zones_trace) | |
7c673cae FG |
7553 | { |
7554 | /* source is in a different zonegroup, copy from there */ | |
7555 | ||
7556 | RGWRESTStreamRWRequest *in_stream_req; | |
7557 | string tag; | |
7558 | int i; | |
7559 | append_rand_alpha(cct, tag, tag, 32); | |
7560 | obj_time_weight set_mtime_weight; | |
7561 | set_mtime_weight.high_precision = high_precision_time; | |
7562 | ||
7563 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
7564 | dest_bucket_info, dest_obj.bucket, dest_obj.key.name, | |
7565 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
7566 | if (version_id && *version_id != "null") { | |
7567 | processor.set_version_id(*version_id); | |
7568 | } | |
7569 | processor.set_olh_epoch(olh_epoch); | |
7570 | int ret = processor.prepare(this, NULL); | |
7571 | if (ret < 0) { | |
7572 | return ret; | |
7573 | } | |
7574 | ||
7575 | RGWRESTConn *conn; | |
7576 | if (source_zone.empty()) { | |
7577 | if (dest_bucket_info.zonegroup.empty()) { | |
7578 | /* source is in the master zonegroup */ | |
7579 | conn = rest_master_conn; | |
7580 | } else { | |
7581 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7582 | if (iter == zonegroup_conn_map.end()) { | |
7583 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7584 | return -ENOENT; | |
7585 | } | |
7586 | conn = iter->second; | |
7587 | } | |
7588 | } else { | |
7589 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7590 | if (iter == zone_conn_map.end()) { | |
7591 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7592 | return -ENOENT; | |
7593 | } | |
7594 | conn = iter->second; | |
7595 | } | |
7596 | ||
7597 | string obj_name = dest_obj.bucket.name + "/" + dest_obj.get_oid(); | |
7598 | ||
7599 | RGWOpStateSingleOp *opstate = NULL; | |
7600 | ||
7601 | if (record_op_state) { | |
7602 | opstate = new RGWOpStateSingleOp(this, client_id, op_id, obj_name); | |
7603 | ||
7604 | ret = opstate->set_state(RGWOpState::OPSTATE_IN_PROGRESS); | |
7605 | if (ret < 0) { | |
7606 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7607 | delete opstate; | |
7608 | return ret; | |
7609 | } | |
7610 | } | |
7611 | ||
7612 | boost::optional<RGWPutObj_Compress> compressor; | |
7613 | CompressorRef plugin; | |
7614 | ||
7615 | const auto& compression_type = zone_params.get_compression_type( | |
7616 | dest_bucket_info.placement_rule); | |
7617 | if (compression_type != "none") { | |
7618 | plugin = Compressor::create(cct, compression_type); | |
7619 | if (!plugin) { | |
7620 | ldout(cct, 1) << "Cannot load plugin for compression type " | |
7621 | << compression_type << dendl; | |
7622 | } | |
7623 | } | |
7624 | ||
7625 | RGWRadosPutObj cb(cct, plugin, compressor, &processor, opstate, progress_cb, progress_data); | |
7626 | ||
7627 | string etag; | |
7628 | map<string, string> req_headers; | |
7629 | real_time set_mtime; | |
7630 | ||
7631 | RGWObjState *dest_state = NULL; | |
7632 | ||
7633 | const real_time *pmod = mod_ptr; | |
7634 | ||
7635 | obj_time_weight dest_mtime_weight; | |
7636 | ||
7637 | if (copy_if_newer) { | |
7638 | /* need to get mtime for destination */ | |
7639 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7640 | if (ret < 0) | |
7641 | goto set_err_state; | |
7642 | ||
7643 | if (!real_clock::is_zero(dest_state->mtime)) { | |
7644 | dest_mtime_weight.init(dest_state); | |
7645 | pmod = &dest_mtime_weight.mtime; | |
7646 | } | |
7647 | } | |
7648 | ||
7649 | ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7650 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7651 | true /* prepend_meta */, true /* GET */, false /* rgwx-stat */, | |
7652 | true /* sync manifest */, &cb, &in_stream_req); | |
7653 | if (ret < 0) { | |
7654 | goto set_err_state; | |
7655 | } | |
7656 | ||
7657 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, nullptr, req_headers); | |
7658 | if (ret < 0) { | |
7659 | goto set_err_state; | |
7660 | } | |
7661 | if (compressor && compressor->is_compressed()) { | |
7662 | bufferlist tmp; | |
7663 | RGWCompressionInfo cs_info; | |
7664 | cs_info.compression_type = plugin->get_type_name(); | |
7665 | cs_info.orig_size = cb.get_data_len(); | |
7666 | cs_info.blocks = move(compressor->get_compression_blocks()); | |
7667 | ::encode(cs_info, tmp); | |
7668 | cb.get_attrs()[RGW_ATTR_COMPRESSION] = tmp; | |
7669 | } | |
7670 | ||
7671 | if (source_zone.empty()) { /* need to preserve expiration if copy in the same zonegroup */ | |
7672 | cb.get_attrs().erase(RGW_ATTR_DELETE_AT); | |
7673 | } else { | |
7674 | map<string, bufferlist>::iterator iter = cb.get_attrs().find(RGW_ATTR_DELETE_AT); | |
7675 | if (iter != cb.get_attrs().end()) { | |
7676 | try { | |
7677 | ::decode(delete_at, iter->second); | |
7678 | } catch (buffer::error& err) { | |
7679 | ldout(cct, 0) << "ERROR: failed to decode delete_at field in intra zone copy" << dendl; | |
7680 | } | |
7681 | } | |
7682 | } | |
7683 | ||
7684 | if (src_mtime) { | |
7685 | *src_mtime = set_mtime; | |
7686 | } | |
7687 | ||
7688 | if (petag) { | |
7689 | const auto iter = cb.get_attrs().find(RGW_ATTR_ETAG); | |
7690 | if (iter != cb.get_attrs().end()) { | |
7691 | *petag = iter->second; | |
7692 | } | |
7693 | } | |
7694 | ||
7695 | if (source_zone.empty()) { | |
7696 | set_copy_attrs(cb.get_attrs(), attrs, attrs_mod); | |
7697 | } else { | |
7698 | attrs = cb.get_attrs(); | |
7699 | } | |
7700 | ||
7701 | if (copy_if_newer) { | |
7702 | uint64_t pg_ver = 0; | |
7703 | auto i = attrs.find(RGW_ATTR_PG_VER); | |
7704 | if (i != attrs.end() && i->second.length() > 0) { | |
7705 | bufferlist::iterator iter = i->second.begin(); | |
7706 | try { | |
7707 | ::decode(pg_ver, iter); | |
7708 | } catch (buffer::error& err) { | |
7709 | ldout(ctx(), 0) << "ERROR: failed to decode pg ver attribute, ignoring" << dendl; | |
7710 | /* non critical error */ | |
7711 | } | |
7712 | } | |
7713 | set_mtime_weight.init(set_mtime, get_zone_short_id(), pg_ver); | |
7714 | } | |
7715 | ||
7716 | #define MAX_COMPLETE_RETRY 100 | |
7717 | for (i = 0; i < MAX_COMPLETE_RETRY; i++) { | |
31f18b77 | 7718 | ret = cb.complete(etag, mtime, set_mtime, attrs, delete_at, zones_trace); |
7c673cae FG |
7719 | if (ret < 0) { |
7720 | goto set_err_state; | |
7721 | } | |
7722 | if (copy_if_newer && cb.is_canceled()) { | |
7723 | ldout(cct, 20) << "raced with another write of obj: " << dest_obj << dendl; | |
7724 | obj_ctx.obj.invalidate(dest_obj); /* object was overwritten */ | |
7725 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7726 | if (ret < 0) { | |
7727 | ldout(cct, 0) << "ERROR: " << __func__ << ": get_err_state() returned ret=" << ret << dendl; | |
7728 | goto set_err_state; | |
7729 | } | |
7730 | dest_mtime_weight.init(dest_state); | |
7731 | dest_mtime_weight.high_precision = high_precision_time; | |
7732 | if (!dest_state->exists || | |
7733 | dest_mtime_weight < set_mtime_weight) { | |
7734 | ldout(cct, 20) << "retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7735 | continue; | |
7736 | } else { | |
7737 | ldout(cct, 20) << "not retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7738 | } | |
7739 | } | |
7740 | break; | |
7741 | } | |
7742 | ||
7743 | if (i == MAX_COMPLETE_RETRY) { | |
7744 | ldout(cct, 0) << "ERROR: retried object completion too many times, something is wrong!" << dendl; | |
7745 | ret = -EIO; | |
7746 | goto set_err_state; | |
7747 | } | |
7748 | ||
7749 | if (opstate) { | |
7750 | ret = opstate->set_state(RGWOpState::OPSTATE_COMPLETE); | |
7751 | if (ret < 0) { | |
7752 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7753 | } | |
7754 | delete opstate; | |
7755 | } | |
7756 | ||
7757 | return 0; | |
7758 | set_err_state: | |
7759 | if (copy_if_newer && ret == -ERR_NOT_MODIFIED) { | |
7760 | ret = 0; | |
7761 | } | |
7762 | if (opstate) { | |
7763 | RGWOpState::OpState state; | |
7764 | if (ret < 0) { | |
7765 | state = RGWOpState::OPSTATE_ERROR; | |
7766 | } else { | |
7767 | state = RGWOpState::OPSTATE_COMPLETE; | |
7768 | } | |
7769 | int r = opstate->set_state(state); | |
7770 | if (r < 0) { | |
7771 | ldout(cct, 0) << "ERROR: failed to set opstate r=" << ret << dendl; | |
7772 | } | |
7773 | delete opstate; | |
7774 | } | |
7775 | return ret; | |
7776 | } | |
7777 | ||
7778 | ||
7779 | int RGWRados::copy_obj_to_remote_dest(RGWObjState *astate, | |
7780 | map<string, bufferlist>& src_attrs, | |
7781 | RGWRados::Object::Read& read_op, | |
7782 | const rgw_user& user_id, | |
7783 | rgw_obj& dest_obj, | |
7784 | real_time *mtime) | |
7785 | { | |
7786 | string etag; | |
7787 | ||
7788 | RGWRESTStreamWriteRequest *out_stream_req; | |
7789 | ||
7790 | int ret = rest_master_conn->put_obj_init(user_id, dest_obj, astate->size, src_attrs, &out_stream_req); | |
7791 | if (ret < 0) { | |
7792 | delete out_stream_req; | |
7793 | return ret; | |
7794 | } | |
7795 | ||
7796 | ret = read_op.iterate(0, astate->size - 1, out_stream_req->get_out_cb()); | |
7797 | if (ret < 0) | |
7798 | return ret; | |
7799 | ||
7800 | ret = rest_master_conn->complete_request(out_stream_req, etag, mtime); | |
7801 | if (ret < 0) | |
7802 | return ret; | |
7803 | ||
7804 | return 0; | |
7805 | } | |
7806 | ||
7807 | /** | |
7808 | * Copy an object. | |
7809 | * dest_obj: the object to copy into | |
7810 | * src_obj: the object to copy from | |
7811 | * attrs: usage depends on attrs_mod parameter | |
7812 | * attrs_mod: the modification mode of the attrs, may have the following values: | |
7813 | * ATTRSMOD_NONE - the attributes of the source object will be | |
7814 | * copied without modifications, attrs parameter is ignored; | |
7815 | * ATTRSMOD_REPLACE - new object will have the attributes provided by attrs | |
7816 | * parameter, source object attributes are not copied; | |
7817 | * ATTRSMOD_MERGE - any conflicting meta keys on the source object's attributes | |
7818 | * are overwritten by values contained in attrs parameter. | |
7819 | * err: stores any errors resulting from the get of the original object | |
7820 | * Returns: 0 on success, -ERR# otherwise. | |
7821 | */ | |
7822 | int RGWRados::copy_obj(RGWObjectCtx& obj_ctx, | |
7823 | const rgw_user& user_id, | |
7824 | const string& client_id, | |
7825 | const string& op_id, | |
7826 | req_info *info, | |
7827 | const string& source_zone, | |
7828 | rgw_obj& dest_obj, | |
7829 | rgw_obj& src_obj, | |
7830 | RGWBucketInfo& dest_bucket_info, | |
7831 | RGWBucketInfo& src_bucket_info, | |
7832 | real_time *src_mtime, | |
7833 | real_time *mtime, | |
7834 | const real_time *mod_ptr, | |
7835 | const real_time *unmod_ptr, | |
7836 | bool high_precision_time, | |
7837 | const char *if_match, | |
7838 | const char *if_nomatch, | |
7839 | AttrsMod attrs_mod, | |
7840 | bool copy_if_newer, | |
7841 | map<string, bufferlist>& attrs, | |
7842 | RGWObjCategory category, | |
7843 | uint64_t olh_epoch, | |
7844 | real_time delete_at, | |
7845 | string *version_id, | |
7846 | string *ptag, | |
7847 | ceph::buffer::list *petag, | |
7c673cae FG |
7848 | void (*progress_cb)(off_t, void *), |
7849 | void *progress_data) | |
7850 | { | |
7851 | int ret; | |
7852 | uint64_t obj_size; | |
7853 | rgw_obj shadow_obj = dest_obj; | |
7854 | string shadow_oid; | |
7855 | ||
7856 | bool remote_src; | |
7857 | bool remote_dest; | |
7858 | ||
7859 | append_rand_alpha(cct, dest_obj.get_oid(), shadow_oid, 32); | |
7860 | shadow_obj.init_ns(dest_obj.bucket, shadow_oid, shadow_ns); | |
7861 | ||
7862 | remote_dest = !get_zonegroup().equals(dest_bucket_info.zonegroup); | |
7863 | remote_src = !get_zonegroup().equals(src_bucket_info.zonegroup); | |
7864 | ||
7865 | if (remote_src && remote_dest) { | |
7866 | ldout(cct, 0) << "ERROR: can't copy object when both src and dest buckets are remote" << dendl; | |
7867 | return -EINVAL; | |
7868 | } | |
7869 | ||
7870 | ldout(cct, 5) << "Copy object " << src_obj.bucket << ":" << src_obj.get_oid() << " => " << dest_obj.bucket << ":" << dest_obj.get_oid() << dendl; | |
7871 | ||
7872 | if (remote_src || !source_zone.empty()) { | |
7873 | return fetch_remote_obj(obj_ctx, user_id, client_id, op_id, true, info, source_zone, | |
7874 | dest_obj, src_obj, dest_bucket_info, src_bucket_info, src_mtime, mtime, mod_ptr, | |
7875 | unmod_ptr, high_precision_time, | |
7876 | if_match, if_nomatch, attrs_mod, copy_if_newer, attrs, category, | |
31f18b77 | 7877 | olh_epoch, delete_at, version_id, ptag, petag, progress_cb, progress_data); |
7c673cae FG |
7878 | } |
7879 | ||
7880 | map<string, bufferlist> src_attrs; | |
7881 | RGWRados::Object src_op_target(this, src_bucket_info, obj_ctx, src_obj); | |
7882 | RGWRados::Object::Read read_op(&src_op_target); | |
7883 | ||
7884 | read_op.conds.mod_ptr = mod_ptr; | |
7885 | read_op.conds.unmod_ptr = unmod_ptr; | |
7886 | read_op.conds.high_precision_time = high_precision_time; | |
7887 | read_op.conds.if_match = if_match; | |
7888 | read_op.conds.if_nomatch = if_nomatch; | |
7889 | read_op.params.attrs = &src_attrs; | |
7890 | read_op.params.lastmod = src_mtime; | |
7891 | read_op.params.obj_size = &obj_size; | |
7c673cae FG |
7892 | |
7893 | ret = read_op.prepare(); | |
7894 | if (ret < 0) { | |
7895 | return ret; | |
7896 | } | |
7897 | ||
7898 | src_attrs[RGW_ATTR_ACL] = attrs[RGW_ATTR_ACL]; | |
7899 | src_attrs.erase(RGW_ATTR_DELETE_AT); | |
7900 | ||
7901 | set_copy_attrs(src_attrs, attrs, attrs_mod); | |
7902 | attrs.erase(RGW_ATTR_ID_TAG); | |
7903 | attrs.erase(RGW_ATTR_PG_VER); | |
7904 | attrs.erase(RGW_ATTR_SOURCE_ZONE); | |
7905 | map<string, bufferlist>::iterator cmp = src_attrs.find(RGW_ATTR_COMPRESSION); | |
7906 | if (cmp != src_attrs.end()) | |
7907 | attrs[RGW_ATTR_COMPRESSION] = cmp->second; | |
7908 | ||
7909 | RGWObjManifest manifest; | |
7910 | RGWObjState *astate = NULL; | |
7911 | ||
7912 | ret = get_obj_state(&obj_ctx, src_bucket_info, src_obj, &astate); | |
7913 | if (ret < 0) { | |
7914 | return ret; | |
7915 | } | |
7916 | ||
7917 | vector<rgw_raw_obj> ref_objs; | |
7918 | ||
7919 | if (remote_dest) { | |
7920 | /* dest is in a different zonegroup, copy it there */ | |
7921 | return copy_obj_to_remote_dest(astate, attrs, read_op, user_id, dest_obj, mtime); | |
7922 | } | |
7923 | uint64_t max_chunk_size; | |
7924 | ||
7925 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, dest_obj, &max_chunk_size); | |
7926 | if (ret < 0) { | |
7927 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << dest_obj.bucket << dendl; | |
7928 | return ret; | |
7929 | } | |
7930 | ||
7931 | rgw_pool src_pool; | |
7932 | rgw_pool dest_pool; | |
7933 | if (!get_obj_data_pool(src_bucket_info.placement_rule, src_obj, &src_pool)) { | |
7934 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << src_obj << dendl; | |
7935 | return -EIO; | |
7936 | } | |
7937 | if (!get_obj_data_pool(dest_bucket_info.placement_rule, dest_obj, &dest_pool)) { | |
7938 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << dest_obj << dendl; | |
7939 | return -EIO; | |
7940 | } | |
7941 | ||
7942 | ||
7943 | bool copy_data = !astate->has_manifest || (src_pool != dest_pool); | |
7944 | bool copy_first = false; | |
7945 | if (astate->has_manifest) { | |
7946 | if (!astate->manifest.has_tail()) { | |
7947 | copy_data = true; | |
7948 | } else { | |
7949 | uint64_t head_size = astate->manifest.get_head_size(); | |
7950 | ||
7951 | if (head_size > 0) { | |
7952 | if (head_size > max_chunk_size) { | |
7953 | copy_data = true; | |
7954 | } else { | |
7955 | copy_first = true; | |
7956 | } | |
7957 | } | |
7958 | } | |
7959 | } | |
7960 | ||
7961 | if (petag) { | |
7962 | const auto iter = attrs.find(RGW_ATTR_ETAG); | |
7963 | if (iter != attrs.end()) { | |
7964 | *petag = iter->second; | |
7965 | } | |
7966 | } | |
7967 | ||
7968 | if (copy_data) { /* refcounting tail wouldn't work here, just copy the data */ | |
7969 | return copy_obj_data(obj_ctx, dest_bucket_info, read_op, obj_size - 1, dest_obj, src_obj, | |
7970 | max_chunk_size, mtime, real_time(), attrs, category, olh_epoch, delete_at, | |
31f18b77 | 7971 | version_id, ptag, petag); |
7c673cae FG |
7972 | } |
7973 | ||
7974 | RGWObjManifest::obj_iterator miter = astate->manifest.obj_begin(); | |
7975 | ||
7976 | if (copy_first) { // we need to copy first chunk, not increase refcount | |
7977 | ++miter; | |
7978 | } | |
7979 | ||
7980 | rgw_rados_ref ref; | |
7981 | ret = get_raw_obj_ref(miter.get_location().get_raw_obj(this), &ref); | |
7982 | if (ret < 0) { | |
7983 | return ret; | |
7984 | } | |
7985 | ||
7986 | bool versioned_dest = dest_bucket_info.versioning_enabled(); | |
7987 | ||
7988 | if (version_id && !version_id->empty()) { | |
7989 | versioned_dest = true; | |
7990 | dest_obj.key.set_instance(*version_id); | |
7991 | } else if (versioned_dest) { | |
7992 | gen_rand_obj_instance_name(&dest_obj); | |
7993 | } | |
7994 | ||
7995 | bufferlist first_chunk; | |
7996 | ||
7997 | bool copy_itself = (dest_obj == src_obj); | |
7998 | RGWObjManifest *pmanifest; | |
31f18b77 | 7999 | ldout(cct, 20) << "dest_obj=" << dest_obj << " src_obj=" << src_obj << " copy_itself=" << (int)copy_itself << dendl; |
7c673cae FG |
8000 | |
8001 | RGWRados::Object dest_op_target(this, dest_bucket_info, obj_ctx, dest_obj); | |
8002 | RGWRados::Object::Write write_op(&dest_op_target); | |
8003 | ||
8004 | string tag; | |
8005 | ||
8006 | if (ptag) { | |
8007 | tag = *ptag; | |
8008 | } | |
8009 | ||
8010 | if (tag.empty()) { | |
8011 | append_rand_alpha(cct, tag, tag, 32); | |
8012 | } | |
8013 | ||
8014 | if (!copy_itself) { | |
8015 | manifest = astate->manifest; | |
8016 | const rgw_bucket_placement& tail_placement = manifest.get_tail_placement(); | |
8017 | if (tail_placement.bucket.name.empty()) { | |
8018 | manifest.set_tail_placement(tail_placement.placement_rule, src_obj.bucket); | |
8019 | } | |
8020 | string oid, key; | |
8021 | for (; miter != astate->manifest.obj_end(); ++miter) { | |
8022 | ObjectWriteOperation op; | |
8023 | cls_refcount_get(op, tag, true); | |
8024 | const rgw_raw_obj& loc = miter.get_location().get_raw_obj(this); | |
8025 | ref.ioctx.locator_set_key(loc.loc); | |
8026 | ||
8027 | ret = ref.ioctx.operate(loc.oid, &op); | |
8028 | if (ret < 0) { | |
8029 | goto done_ret; | |
8030 | } | |
8031 | ||
8032 | ref_objs.push_back(loc); | |
8033 | } | |
8034 | ||
8035 | pmanifest = &manifest; | |
8036 | } else { | |
8037 | pmanifest = &astate->manifest; | |
8038 | /* don't send the object's tail for garbage collection */ | |
8039 | astate->keep_tail = true; | |
8040 | } | |
8041 | ||
8042 | if (copy_first) { | |
8043 | ret = read_op.read(0, max_chunk_size, first_chunk); | |
8044 | if (ret < 0) { | |
8045 | goto done_ret; | |
8046 | } | |
8047 | ||
8048 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, first_chunk.length()); | |
8049 | } else { | |
8050 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, 0); | |
8051 | } | |
8052 | ||
8053 | write_op.meta.data = &first_chunk; | |
8054 | write_op.meta.manifest = pmanifest; | |
8055 | write_op.meta.ptag = &tag; | |
8056 | write_op.meta.owner = dest_bucket_info.owner; | |
8057 | write_op.meta.mtime = mtime; | |
8058 | write_op.meta.flags = PUT_OBJ_CREATE; | |
8059 | write_op.meta.category = category; | |
8060 | write_op.meta.olh_epoch = olh_epoch; | |
8061 | write_op.meta.delete_at = delete_at; | |
8062 | ||
8063 | ret = write_op.write_meta(obj_size, astate->accounted_size, attrs); | |
8064 | if (ret < 0) { | |
8065 | goto done_ret; | |
8066 | } | |
8067 | ||
8068 | return 0; | |
8069 | ||
8070 | done_ret: | |
8071 | if (!copy_itself) { | |
8072 | vector<rgw_raw_obj>::iterator riter; | |
8073 | ||
8074 | string oid, key; | |
8075 | ||
8076 | /* rollback reference */ | |
8077 | for (riter = ref_objs.begin(); riter != ref_objs.end(); ++riter) { | |
8078 | ObjectWriteOperation op; | |
8079 | cls_refcount_put(op, tag, true); | |
8080 | ||
8081 | ref.ioctx.locator_set_key(riter->loc); | |
8082 | ||
8083 | int r = ref.ioctx.operate(riter->oid, &op); | |
8084 | if (r < 0) { | |
8085 | ldout(cct, 0) << "ERROR: cleanup after error failed to drop reference on obj=" << *riter << dendl; | |
8086 | } | |
8087 | } | |
8088 | } | |
8089 | return ret; | |
8090 | } | |
8091 | ||
8092 | ||
8093 | int RGWRados::copy_obj_data(RGWObjectCtx& obj_ctx, | |
8094 | RGWBucketInfo& dest_bucket_info, | |
8095 | RGWRados::Object::Read& read_op, off_t end, | |
8096 | rgw_obj& dest_obj, | |
8097 | rgw_obj& src_obj, | |
8098 | uint64_t max_chunk_size, | |
8099 | real_time *mtime, | |
8100 | real_time set_mtime, | |
8101 | map<string, bufferlist>& attrs, | |
8102 | RGWObjCategory category, | |
8103 | uint64_t olh_epoch, | |
8104 | real_time delete_at, | |
8105 | string *version_id, | |
8106 | string *ptag, | |
31f18b77 | 8107 | ceph::buffer::list *petag) |
7c673cae FG |
8108 | { |
8109 | bufferlist first_chunk; | |
8110 | RGWObjManifest manifest; | |
8111 | ||
8112 | string tag; | |
8113 | append_rand_alpha(cct, tag, tag, 32); | |
8114 | ||
8115 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
8116 | dest_bucket_info, dest_obj.bucket, dest_obj.get_oid(), | |
8117 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
8118 | if (version_id) { | |
8119 | processor.set_version_id(*version_id); | |
8120 | } | |
8121 | processor.set_olh_epoch(olh_epoch); | |
8122 | int ret = processor.prepare(this, NULL); | |
8123 | if (ret < 0) | |
8124 | return ret; | |
8125 | ||
8126 | off_t ofs = 0; | |
8127 | ||
8128 | do { | |
8129 | bufferlist bl; | |
8130 | ret = read_op.read(ofs, end, bl); | |
8131 | ||
8132 | uint64_t read_len = ret; | |
8133 | bool again; | |
8134 | ||
8135 | do { | |
8136 | void *handle; | |
8137 | rgw_raw_obj obj; | |
8138 | ||
8139 | ret = processor.handle_data(bl, ofs, &handle, &obj, &again); | |
8140 | if (ret < 0) { | |
8141 | return ret; | |
8142 | } | |
8143 | ret = processor.throttle_data(handle, obj, read_len, false); | |
8144 | if (ret < 0) | |
8145 | return ret; | |
8146 | } while (again); | |
8147 | ||
8148 | ofs += read_len; | |
8149 | } while (ofs <= end); | |
8150 | ||
8151 | string etag; | |
8152 | auto iter = attrs.find(RGW_ATTR_ETAG); | |
8153 | if (iter != attrs.end()) { | |
8154 | bufferlist& bl = iter->second; | |
8155 | etag = string(bl.c_str(), bl.length()); | |
8156 | if (petag) { | |
8157 | *petag = bl; | |
8158 | } | |
8159 | } | |
8160 | ||
8161 | uint64_t accounted_size; | |
8162 | { | |
8163 | bool compressed{false}; | |
8164 | RGWCompressionInfo cs_info; | |
8165 | ret = rgw_compression_info_from_attrset(attrs, compressed, cs_info); | |
8166 | if (ret < 0) { | |
8167 | ldout(cct, 0) << "ERROR: failed to read compression info" << dendl; | |
8168 | return ret; | |
8169 | } | |
8170 | // pass original size if compressed | |
8171 | accounted_size = compressed ? cs_info.orig_size : ofs; | |
8172 | } | |
8173 | ||
8174 | return processor.complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at); | |
8175 | } | |
8176 | ||
8177 | bool RGWRados::is_meta_master() | |
8178 | { | |
31f18b77 | 8179 | if (!get_zonegroup().is_master_zonegroup()) { |
7c673cae FG |
8180 | return false; |
8181 | } | |
8182 | ||
8183 | return (get_zonegroup().master_zone == zone_public_config.id); | |
8184 | } | |
8185 | ||
8186 | /** | |
8187 | * Check to see if the bucket metadata could be synced | |
8188 | * bucket: the bucket to check | |
8189 | * Returns false is the bucket is not synced | |
8190 | */ | |
8191 | bool RGWRados::is_syncing_bucket_meta(const rgw_bucket& bucket) | |
8192 | { | |
8193 | ||
8194 | /* no current period */ | |
8195 | if (current_period.get_id().empty()) { | |
8196 | return false; | |
8197 | } | |
8198 | ||
8199 | /* zonegroup is not master zonegroup */ | |
31f18b77 | 8200 | if (!get_zonegroup().is_master_zonegroup()) { |
7c673cae FG |
8201 | return false; |
8202 | } | |
8203 | ||
8204 | /* single zonegroup and a single zone */ | |
8205 | if (current_period.is_single_zonegroup(cct, this) && get_zonegroup().zones.size() == 1) { | |
8206 | return false; | |
8207 | } | |
8208 | ||
8209 | /* zone is not master */ | |
8210 | if (get_zonegroup().master_zone.compare(zone_public_config.id) != 0) { | |
8211 | return false; | |
8212 | } | |
8213 | ||
8214 | return true; | |
8215 | } | |
8216 | ||
8217 | int RGWRados::check_bucket_empty(RGWBucketInfo& bucket_info) | |
8218 | { | |
8219 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
8220 | rgw_obj_index_key marker; | |
8221 | string prefix; | |
8222 | bool is_truncated; | |
8223 | ||
8224 | do { | |
8225 | #define NUM_ENTRIES 1000 | |
8226 | int r = cls_bucket_list(bucket_info, RGW_NO_SHARD, marker, prefix, NUM_ENTRIES, true, ent_map, | |
8227 | &is_truncated, &marker); | |
8228 | if (r < 0) | |
8229 | return r; | |
8230 | ||
8231 | string ns; | |
8232 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
8233 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
8234 | rgw_obj_key obj; | |
8235 | ||
8236 | if (rgw_obj_key::oid_to_key_in_ns(eiter->second.key.name, &obj, ns)) | |
8237 | return -ENOTEMPTY; | |
8238 | } | |
8239 | } while (is_truncated); | |
8240 | return 0; | |
8241 | } | |
8242 | ||
8243 | /** | |
8244 | * Delete a bucket. | |
8245 | * bucket: the name of the bucket to delete | |
8246 | * Returns 0 on success, -ERR# otherwise. | |
8247 | */ | |
8248 | int RGWRados::delete_bucket(RGWBucketInfo& bucket_info, RGWObjVersionTracker& objv_tracker, bool check_empty) | |
8249 | { | |
8250 | const rgw_bucket& bucket = bucket_info.bucket; | |
8251 | librados::IoCtx index_ctx; | |
8252 | map<int, string> bucket_objs; | |
8253 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
8254 | if (r < 0) | |
8255 | return r; | |
8256 | ||
8257 | if (check_empty) { | |
8258 | r = check_bucket_empty(bucket_info); | |
8259 | if (r < 0) { | |
8260 | return r; | |
8261 | } | |
8262 | } | |
8263 | ||
8264 | r = rgw_bucket_delete_bucket_obj(this, bucket.tenant, bucket.name, objv_tracker); | |
8265 | if (r < 0) | |
8266 | return r; | |
8267 | ||
8268 | /* if the bucket is not synced we can remove the meta file */ | |
8269 | if (!is_syncing_bucket_meta(bucket)) { | |
8270 | RGWObjVersionTracker objv_tracker; | |
8271 | string entry = bucket.get_key(); | |
8272 | r= rgw_bucket_instance_remove_entry(this, entry, &objv_tracker); | |
8273 | if (r < 0) { | |
8274 | return r; | |
8275 | } | |
8276 | /* remove bucket index objects*/ | |
8277 | map<int, string>::const_iterator biter; | |
8278 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
8279 | index_ctx.remove(biter->second); | |
8280 | } | |
8281 | } | |
8282 | return 0; | |
8283 | } | |
8284 | ||
8285 | int RGWRados::set_bucket_owner(rgw_bucket& bucket, ACLOwner& owner) | |
8286 | { | |
8287 | RGWBucketInfo info; | |
8288 | map<string, bufferlist> attrs; | |
8289 | RGWObjectCtx obj_ctx(this); | |
31f18b77 FG |
8290 | int r; |
8291 | if (bucket.bucket_id.empty()) { | |
8292 | r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
8293 | } else { | |
8294 | r = get_bucket_instance_info(obj_ctx, bucket, info, nullptr, &attrs); | |
8295 | } | |
7c673cae FG |
8296 | if (r < 0) { |
8297 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
8298 | return r; | |
8299 | } | |
8300 | ||
8301 | info.owner = owner.get_id(); | |
8302 | ||
8303 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
8304 | if (r < 0) { | |
8305 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
8306 | return r; | |
8307 | } | |
8308 | ||
8309 | return 0; | |
8310 | } | |
8311 | ||
8312 | ||
8313 | int RGWRados::set_buckets_enabled(vector<rgw_bucket>& buckets, bool enabled) | |
8314 | { | |
8315 | int ret = 0; | |
8316 | ||
8317 | vector<rgw_bucket>::iterator iter; | |
8318 | ||
8319 | for (iter = buckets.begin(); iter != buckets.end(); ++iter) { | |
8320 | rgw_bucket& bucket = *iter; | |
8321 | if (enabled) | |
8322 | ldout(cct, 20) << "enabling bucket name=" << bucket.name << dendl; | |
8323 | else | |
8324 | ldout(cct, 20) << "disabling bucket name=" << bucket.name << dendl; | |
8325 | ||
8326 | RGWBucketInfo info; | |
8327 | map<string, bufferlist> attrs; | |
8328 | RGWObjectCtx obj_ctx(this); | |
8329 | int r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
8330 | if (r < 0) { | |
8331 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8332 | ret = r; | |
8333 | continue; | |
8334 | } | |
8335 | if (enabled) { | |
8336 | info.flags &= ~BUCKET_SUSPENDED; | |
8337 | } else { | |
8338 | info.flags |= BUCKET_SUSPENDED; | |
8339 | } | |
8340 | ||
8341 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
8342 | if (r < 0) { | |
8343 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8344 | ret = r; | |
8345 | continue; | |
8346 | } | |
8347 | } | |
8348 | return ret; | |
8349 | } | |
8350 | ||
8351 | int RGWRados::bucket_suspended(rgw_bucket& bucket, bool *suspended) | |
8352 | { | |
8353 | RGWBucketInfo bucket_info; | |
8354 | RGWObjectCtx obj_ctx(this); | |
8355 | int ret = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, bucket_info, NULL); | |
8356 | if (ret < 0) { | |
8357 | return ret; | |
8358 | } | |
8359 | ||
8360 | *suspended = ((bucket_info.flags & BUCKET_SUSPENDED) != 0); | |
8361 | return 0; | |
8362 | } | |
8363 | ||
8364 | int RGWRados::Object::complete_atomic_modification() | |
8365 | { | |
8366 | if (!state->has_manifest || state->keep_tail) | |
8367 | return 0; | |
8368 | ||
8369 | cls_rgw_obj_chain chain; | |
8370 | store->update_gc_chain(obj, state->manifest, &chain); | |
8371 | ||
8372 | if (chain.empty()) { | |
8373 | return 0; | |
8374 | } | |
8375 | ||
8376 | string tag = state->obj_tag.to_str(); | |
8377 | return store->gc->send_chain(chain, tag, false); // do it async | |
8378 | } | |
8379 | ||
8380 | void RGWRados::update_gc_chain(rgw_obj& head_obj, RGWObjManifest& manifest, cls_rgw_obj_chain *chain) | |
8381 | { | |
8382 | RGWObjManifest::obj_iterator iter; | |
8383 | rgw_raw_obj raw_head; | |
8384 | obj_to_raw(manifest.get_head_placement_rule(), head_obj, &raw_head); | |
8385 | for (iter = manifest.obj_begin(); iter != manifest.obj_end(); ++iter) { | |
8386 | const rgw_raw_obj& mobj = iter.get_location().get_raw_obj(this); | |
8387 | if (mobj == raw_head) | |
8388 | continue; | |
8389 | cls_rgw_obj_key key(mobj.oid); | |
8390 | chain->push_obj(mobj.pool.to_str(), key, mobj.loc); | |
8391 | } | |
8392 | } | |
8393 | ||
8394 | int RGWRados::send_chain_to_gc(cls_rgw_obj_chain& chain, const string& tag, bool sync) | |
8395 | { | |
8396 | return gc->send_chain(chain, tag, sync); | |
8397 | } | |
8398 | ||
8399 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, string& bucket_oid) | |
8400 | { | |
8401 | const rgw_bucket& bucket = bucket_info.bucket; | |
8402 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8403 | if (r < 0) | |
8404 | return r; | |
8405 | ||
8406 | if (bucket.bucket_id.empty()) { | |
8407 | ldout(cct, 0) << "ERROR: empty bucket id for bucket operation" << dendl; | |
8408 | return -EIO; | |
8409 | } | |
8410 | ||
8411 | bucket_oid = dir_oid_prefix; | |
8412 | bucket_oid.append(bucket.bucket_id); | |
8413 | ||
8414 | return 0; | |
8415 | } | |
8416 | ||
8417 | int RGWRados::open_bucket_index_base(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8418 | string& bucket_oid_base) { | |
8419 | const rgw_bucket& bucket = bucket_info.bucket; | |
8420 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8421 | if (r < 0) | |
8422 | return r; | |
8423 | ||
8424 | if (bucket.bucket_id.empty()) { | |
8425 | ldout(cct, 0) << "ERROR: empty bucket_id for bucket operation" << dendl; | |
8426 | return -EIO; | |
8427 | } | |
8428 | ||
8429 | bucket_oid_base = dir_oid_prefix; | |
8430 | bucket_oid_base.append(bucket.bucket_id); | |
8431 | ||
8432 | return 0; | |
8433 | ||
8434 | } | |
8435 | ||
8436 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8437 | map<int, string>& bucket_objs, int shard_id, map<int, string> *bucket_instance_ids) { | |
8438 | string bucket_oid_base; | |
8439 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8440 | if (ret < 0) { | |
8441 | return ret; | |
8442 | } | |
8443 | ||
8444 | get_bucket_index_objects(bucket_oid_base, bucket_info.num_shards, bucket_objs, shard_id); | |
8445 | if (bucket_instance_ids) { | |
8446 | get_bucket_instance_ids(bucket_info, shard_id, bucket_instance_ids); | |
8447 | } | |
8448 | return 0; | |
8449 | } | |
8450 | ||
8451 | template<typename T> | |
8452 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8453 | map<int, string>& oids, map<int, T>& bucket_objs, | |
8454 | int shard_id, map<int, string> *bucket_instance_ids) | |
8455 | { | |
8456 | int ret = open_bucket_index(bucket_info, index_ctx, oids, shard_id, bucket_instance_ids); | |
8457 | if (ret < 0) | |
8458 | return ret; | |
8459 | ||
8460 | map<int, string>::const_iterator iter = oids.begin(); | |
8461 | for (; iter != oids.end(); ++iter) { | |
8462 | bucket_objs[iter->first] = T(); | |
8463 | } | |
8464 | return 0; | |
8465 | } | |
8466 | ||
8467 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8468 | const string& obj_key, string *bucket_obj, int *shard_id) | |
8469 | { | |
8470 | string bucket_oid_base; | |
8471 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8472 | if (ret < 0) | |
8473 | return ret; | |
8474 | ||
8475 | RGWObjectCtx obj_ctx(this); | |
8476 | ||
8477 | ret = get_bucket_index_object(bucket_oid_base, obj_key, bucket_info.num_shards, | |
8478 | (RGWBucketInfo::BIShardsHashType)bucket_info.bucket_index_shard_hash_type, bucket_obj, shard_id); | |
8479 | if (ret < 0) { | |
8480 | ldout(cct, 10) << "get_bucket_index_object() returned ret=" << ret << dendl; | |
8481 | return ret; | |
8482 | } | |
8483 | return 0; | |
8484 | } | |
8485 | ||
8486 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8487 | int shard_id, string *bucket_obj) | |
8488 | { | |
8489 | string bucket_oid_base; | |
8490 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8491 | if (ret < 0) | |
8492 | return ret; | |
8493 | ||
8494 | RGWObjectCtx obj_ctx(this); | |
8495 | ||
8496 | get_bucket_index_object(bucket_oid_base, bucket_info.num_shards, | |
8497 | shard_id, bucket_obj); | |
8498 | return 0; | |
8499 | } | |
8500 | ||
8501 | static void accumulate_raw_stats(const rgw_bucket_dir_header& header, | |
8502 | map<RGWObjCategory, RGWStorageStats>& stats) | |
8503 | { | |
8504 | for (const auto& pair : header.stats) { | |
8505 | const RGWObjCategory category = static_cast<RGWObjCategory>(pair.first); | |
8506 | const rgw_bucket_category_stats& header_stats = pair.second; | |
8507 | ||
8508 | RGWStorageStats& s = stats[category]; | |
8509 | ||
8510 | s.category = category; | |
8511 | s.size += header_stats.total_size; | |
8512 | s.size_rounded += header_stats.total_size_rounded; | |
8513 | s.size_utilized += header_stats.actual_size; | |
8514 | s.num_objects += header_stats.num_entries; | |
8515 | } | |
8516 | } | |
8517 | ||
8518 | int RGWRados::bucket_check_index(RGWBucketInfo& bucket_info, | |
8519 | map<RGWObjCategory, RGWStorageStats> *existing_stats, | |
8520 | map<RGWObjCategory, RGWStorageStats> *calculated_stats) | |
8521 | { | |
8522 | librados::IoCtx index_ctx; | |
8523 | // key - bucket index object id | |
8524 | // value - bucket index check OP returned result with the given bucket index object (shard) | |
8525 | map<int, string> oids; | |
8526 | map<int, struct rgw_cls_check_index_ret> bucket_objs_ret; | |
31f18b77 | 8527 | |
7c673cae | 8528 | int ret = open_bucket_index(bucket_info, index_ctx, oids, bucket_objs_ret); |
31f18b77 FG |
8529 | if (ret < 0) { |
8530 | return ret; | |
8531 | } | |
7c673cae FG |
8532 | |
8533 | ret = CLSRGWIssueBucketCheck(index_ctx, oids, bucket_objs_ret, cct->_conf->rgw_bucket_index_max_aio)(); | |
31f18b77 FG |
8534 | if (ret < 0) { |
8535 | return ret; | |
8536 | } | |
7c673cae FG |
8537 | |
8538 | // Aggregate results (from different shards if there is any) | |
8539 | map<int, struct rgw_cls_check_index_ret>::iterator iter; | |
8540 | for (iter = bucket_objs_ret.begin(); iter != bucket_objs_ret.end(); ++iter) { | |
8541 | accumulate_raw_stats(iter->second.existing_header, *existing_stats); | |
8542 | accumulate_raw_stats(iter->second.calculated_header, *calculated_stats); | |
8543 | } | |
8544 | ||
8545 | return 0; | |
8546 | } | |
8547 | ||
8548 | int RGWRados::bucket_rebuild_index(RGWBucketInfo& bucket_info) | |
8549 | { | |
8550 | librados::IoCtx index_ctx; | |
8551 | map<int, string> bucket_objs; | |
31f18b77 | 8552 | |
7c673cae | 8553 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); |
31f18b77 | 8554 | if (r < 0) { |
7c673cae | 8555 | return r; |
31f18b77 | 8556 | } |
7c673cae FG |
8557 | |
8558 | return CLSRGWIssueBucketRebuild(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
8559 | } | |
8560 | ||
31f18b77 FG |
8561 | int RGWRados::bucket_set_reshard(RGWBucketInfo& bucket_info, const cls_rgw_bucket_instance_entry& entry) |
8562 | { | |
8563 | librados::IoCtx index_ctx; | |
8564 | map<int, string> bucket_objs; | |
8565 | ||
8566 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
8567 | if (r < 0) { | |
8568 | return r; | |
8569 | } | |
8570 | ||
8571 | return CLSRGWIssueSetBucketResharding(index_ctx, bucket_objs, entry, cct->_conf->rgw_bucket_index_max_aio)(); | |
8572 | } | |
7c673cae FG |
8573 | |
8574 | int RGWRados::defer_gc(void *ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj) | |
8575 | { | |
8576 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
8577 | std::string oid, key; | |
8578 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8579 | if (!rctx) | |
8580 | return 0; | |
8581 | ||
8582 | RGWObjState *state = NULL; | |
8583 | ||
8584 | int r = get_obj_state(rctx, bucket_info, obj, &state, false); | |
8585 | if (r < 0) | |
8586 | return r; | |
8587 | ||
8588 | if (!state->is_atomic) { | |
8589 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not deferring gc operation" << dendl; | |
8590 | return -EINVAL; | |
8591 | } | |
8592 | ||
8593 | if (state->obj_tag.length() == 0) {// check for backward compatibility | |
8594 | ldout(cct, 20) << "state->obj_tag is empty, not deferring gc operation" << dendl; | |
8595 | return -EINVAL; | |
8596 | } | |
8597 | ||
8598 | string tag = state->obj_tag.c_str(); | |
8599 | ||
8600 | ldout(cct, 0) << "defer chain tag=" << tag << dendl; | |
8601 | ||
8602 | return gc->defer_chain(tag, false); | |
8603 | } | |
8604 | ||
8605 | void RGWRados::remove_rgw_head_obj(ObjectWriteOperation& op) | |
8606 | { | |
8607 | list<string> prefixes; | |
8608 | prefixes.push_back(RGW_ATTR_OLH_PREFIX); | |
8609 | cls_rgw_remove_obj(op, prefixes); | |
8610 | } | |
8611 | ||
8612 | void RGWRados::cls_obj_check_prefix_exist(ObjectOperation& op, const string& prefix, bool fail_if_exist) | |
8613 | { | |
8614 | cls_rgw_obj_check_attrs_prefix(op, prefix, fail_if_exist); | |
8615 | } | |
8616 | ||
8617 | void RGWRados::cls_obj_check_mtime(ObjectOperation& op, const real_time& mtime, bool high_precision_time, RGWCheckMTimeType type) | |
8618 | { | |
8619 | cls_rgw_obj_check_mtime(op, mtime, high_precision_time, type); | |
8620 | } | |
8621 | ||
8622 | ||
8623 | /** | |
8624 | * Delete an object. | |
8625 | * bucket: name of the bucket storing the object | |
8626 | * obj: name of the object to delete | |
8627 | * Returns: 0 on success, -ERR# otherwise. | |
8628 | */ | |
8629 | int RGWRados::Object::Delete::delete_obj() | |
8630 | { | |
8631 | RGWRados *store = target->get_store(); | |
8632 | rgw_obj& src_obj = target->get_obj(); | |
8633 | const string& instance = src_obj.key.instance; | |
8634 | rgw_obj obj = src_obj; | |
8635 | ||
8636 | if (instance == "null") { | |
8637 | obj.key.instance.clear(); | |
8638 | } | |
8639 | ||
8640 | bool explicit_marker_version = (!params.marker_version_id.empty()); | |
8641 | ||
8642 | if (params.versioning_status & BUCKET_VERSIONED || explicit_marker_version) { | |
8643 | if (instance.empty() || explicit_marker_version) { | |
8644 | rgw_obj marker = obj; | |
8645 | ||
8646 | if (!params.marker_version_id.empty()) { | |
8647 | if (params.marker_version_id != "null") { | |
8648 | marker.key.set_instance(params.marker_version_id); | |
8649 | } | |
8650 | } else if ((params.versioning_status & BUCKET_VERSIONS_SUSPENDED) == 0) { | |
8651 | store->gen_rand_obj_instance_name(&marker); | |
8652 | } | |
8653 | ||
8654 | result.version_id = marker.key.instance; | |
8655 | result.delete_marker = true; | |
8656 | ||
8657 | struct rgw_bucket_dir_entry_meta meta; | |
8658 | ||
8659 | meta.owner = params.obj_owner.get_id().to_str(); | |
8660 | meta.owner_display_name = params.obj_owner.get_display_name(); | |
8661 | ||
8662 | if (real_clock::is_zero(params.mtime)) { | |
8663 | meta.mtime = real_clock::now(); | |
8664 | } else { | |
8665 | meta.mtime = params.mtime; | |
8666 | } | |
8667 | ||
31f18b77 | 8668 | 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 |
8669 | if (r < 0) { |
8670 | return r; | |
8671 | } | |
8672 | } else { | |
8673 | rgw_bucket_dir_entry dirent; | |
8674 | ||
8675 | int r = store->bi_get_instance(target->get_bucket_info(), obj, &dirent); | |
8676 | if (r < 0) { | |
8677 | return r; | |
8678 | } | |
8679 | result.delete_marker = dirent.is_delete_marker(); | |
31f18b77 | 8680 | r = store->unlink_obj_instance(target->get_ctx(), target->get_bucket_info(), obj, params.olh_epoch, params.zones_trace); |
7c673cae FG |
8681 | if (r < 0) { |
8682 | return r; | |
8683 | } | |
8684 | result.version_id = instance; | |
8685 | } | |
8686 | ||
8687 | BucketShard *bs; | |
8688 | int r = target->get_bucket_shard(&bs); | |
8689 | if (r < 0) { | |
8690 | ldout(store->ctx(), 5) << "failed to get BucketShard object: r=" << r << dendl; | |
8691 | return r; | |
8692 | } | |
8693 | ||
8694 | r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
8695 | if (r < 0) { | |
8696 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
8697 | return r; | |
8698 | } | |
8699 | ||
8700 | return 0; | |
8701 | } | |
8702 | ||
8703 | rgw_rados_ref ref; | |
8704 | int r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); | |
8705 | if (r < 0) { | |
8706 | return r; | |
8707 | } | |
8708 | ||
8709 | RGWObjState *state; | |
8710 | r = target->get_state(&state, false); | |
8711 | if (r < 0) | |
8712 | return r; | |
8713 | ||
8714 | ObjectWriteOperation op; | |
8715 | ||
8716 | if (!real_clock::is_zero(params.unmod_since)) { | |
8717 | struct timespec ctime = ceph::real_clock::to_timespec(state->mtime); | |
8718 | struct timespec unmod = ceph::real_clock::to_timespec(params.unmod_since); | |
8719 | if (!params.high_precision_time) { | |
8720 | ctime.tv_nsec = 0; | |
8721 | unmod.tv_nsec = 0; | |
8722 | } | |
8723 | ||
8724 | ldout(store->ctx(), 10) << "If-UnModified-Since: " << params.unmod_since << " Last-Modified: " << ctime << dendl; | |
8725 | if (ctime > unmod) { | |
8726 | return -ERR_PRECONDITION_FAILED; | |
8727 | } | |
8728 | ||
8729 | /* only delete object if mtime is less than or equal to params.unmod_since */ | |
8730 | store->cls_obj_check_mtime(op, params.unmod_since, params.high_precision_time, CLS_RGW_CHECK_TIME_MTIME_LE); | |
8731 | } | |
8732 | uint64_t obj_size = state->size; | |
8733 | ||
8734 | if (!real_clock::is_zero(params.expiration_time)) { | |
8735 | bufferlist bl; | |
8736 | real_time delete_at; | |
8737 | ||
8738 | if (state->get_attr(RGW_ATTR_DELETE_AT, bl)) { | |
8739 | try { | |
8740 | bufferlist::iterator iter = bl.begin(); | |
8741 | ::decode(delete_at, iter); | |
8742 | } catch (buffer::error& err) { | |
8743 | ldout(store->ctx(), 0) << "ERROR: couldn't decode RGW_ATTR_DELETE_AT" << dendl; | |
8744 | return -EIO; | |
8745 | } | |
8746 | ||
8747 | if (params.expiration_time != delete_at) { | |
8748 | return -ERR_PRECONDITION_FAILED; | |
8749 | } | |
8750 | } else { | |
8751 | return -ERR_PRECONDITION_FAILED; | |
8752 | } | |
8753 | } | |
8754 | ||
8755 | if (!state->exists) { | |
8756 | target->invalidate_state(); | |
8757 | return -ENOENT; | |
8758 | } | |
8759 | ||
8760 | r = target->prepare_atomic_modification(op, false, NULL, NULL, NULL, true); | |
8761 | if (r < 0) | |
8762 | return r; | |
8763 | ||
8764 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
8765 | ||
8766 | RGWRados::Bucket bop(store, bucket_info); | |
8767 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
31f18b77 FG |
8768 | |
8769 | index_op.set_zones_trace(params.zones_trace); | |
7c673cae FG |
8770 | index_op.set_bilog_flags(params.bilog_flags); |
8771 | ||
8772 | ||
8773 | r = index_op.prepare(CLS_RGW_OP_DEL, &state->write_tag); | |
8774 | if (r < 0) | |
8775 | return r; | |
8776 | ||
8777 | store->remove_rgw_head_obj(op); | |
8778 | r = ref.ioctx.operate(ref.oid, &op); | |
8779 | bool need_invalidate = false; | |
8780 | if (r == -ECANCELED) { | |
8781 | /* raced with another operation, we can regard it as removed */ | |
8782 | need_invalidate = true; | |
8783 | r = 0; | |
8784 | } | |
8785 | bool removed = (r >= 0); | |
8786 | ||
8787 | int64_t poolid = ref.ioctx.get_id(); | |
8788 | if (r >= 0) { | |
8789 | tombstone_cache_t *obj_tombstone_cache = store->get_tombstone_cache(); | |
8790 | if (obj_tombstone_cache) { | |
8791 | tombstone_entry entry{*state}; | |
8792 | obj_tombstone_cache->add(obj, entry); | |
8793 | } | |
8794 | r = index_op.complete_del(poolid, ref.ioctx.get_last_version(), state->mtime, params.remove_objs); | |
8795 | } else { | |
8796 | int ret = index_op.cancel(); | |
8797 | if (ret < 0) { | |
8798 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel() returned ret=" << ret << dendl; | |
8799 | } | |
8800 | } | |
8801 | if (removed) { | |
8802 | int ret = target->complete_atomic_modification(); | |
8803 | if (ret < 0) { | |
8804 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned ret=" << ret << dendl; | |
8805 | } | |
8806 | /* other than that, no need to propagate error */ | |
8807 | } | |
8808 | ||
8809 | if (need_invalidate) { | |
8810 | target->invalidate_state(); | |
8811 | } | |
8812 | ||
8813 | if (r < 0) | |
8814 | return r; | |
8815 | ||
8816 | /* update quota cache */ | |
8817 | store->quota_handler->update_stats(params.bucket_owner, obj.bucket, -1, 0, obj_size); | |
8818 | ||
8819 | return 0; | |
8820 | } | |
8821 | ||
8822 | int RGWRados::delete_obj(RGWObjectCtx& obj_ctx, | |
8823 | const RGWBucketInfo& bucket_info, | |
8824 | const rgw_obj& obj, | |
8825 | int versioning_status, | |
8826 | uint16_t bilog_flags, | |
31f18b77 FG |
8827 | const real_time& expiration_time, |
8828 | rgw_zone_set *zones_trace) | |
7c673cae FG |
8829 | { |
8830 | RGWRados::Object del_target(this, bucket_info, obj_ctx, obj); | |
8831 | RGWRados::Object::Delete del_op(&del_target); | |
8832 | ||
8833 | del_op.params.bucket_owner = bucket_info.owner; | |
8834 | del_op.params.versioning_status = versioning_status; | |
8835 | del_op.params.bilog_flags = bilog_flags; | |
8836 | del_op.params.expiration_time = expiration_time; | |
31f18b77 | 8837 | del_op.params.zones_trace = zones_trace; |
7c673cae FG |
8838 | |
8839 | return del_op.delete_obj(); | |
8840 | } | |
8841 | ||
8842 | int RGWRados::delete_raw_obj(const rgw_raw_obj& obj) | |
8843 | { | |
8844 | rgw_rados_ref ref; | |
8845 | rgw_pool pool; | |
8846 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
8847 | if (r < 0) { | |
8848 | return r; | |
8849 | } | |
8850 | ||
8851 | ObjectWriteOperation op; | |
8852 | ||
8853 | op.remove(); | |
8854 | r = ref.ioctx.operate(ref.oid, &op); | |
8855 | if (r < 0) | |
8856 | return r; | |
8857 | ||
8858 | return 0; | |
8859 | } | |
8860 | ||
8861 | int RGWRados::delete_system_obj(rgw_raw_obj& obj, RGWObjVersionTracker *objv_tracker) | |
8862 | { | |
8863 | if (obj.empty()) { | |
8864 | ldout(cct, 1) << "delete_system_obj got empty object name " | |
8865 | << obj << ", returning EINVAL" << dendl; | |
8866 | return -EINVAL; | |
8867 | } | |
8868 | rgw_rados_ref ref; | |
8869 | rgw_pool pool; | |
8870 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
8871 | if (r < 0) { | |
8872 | return r; | |
8873 | } | |
8874 | ||
8875 | ObjectWriteOperation op; | |
8876 | ||
8877 | if (objv_tracker) { | |
8878 | objv_tracker->prepare_op_for_write(&op); | |
8879 | } | |
8880 | ||
8881 | op.remove(); | |
8882 | r = ref.ioctx.operate(ref.oid, &op); | |
8883 | if (r < 0) | |
8884 | return r; | |
8885 | ||
8886 | return 0; | |
8887 | } | |
8888 | ||
8889 | int RGWRados::delete_obj_index(const rgw_obj& obj) | |
8890 | { | |
8891 | std::string oid, key; | |
8892 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8893 | ||
8894 | RGWObjectCtx obj_ctx(this); | |
8895 | ||
8896 | RGWBucketInfo bucket_info; | |
8897 | int ret = get_bucket_instance_info(obj_ctx, obj.bucket, bucket_info, NULL, NULL); | |
8898 | if (ret < 0) { | |
8899 | ldout(cct, 0) << "ERROR: " << __func__ << "() get_bucket_instance_info(bucket=" << obj.bucket << ") returned ret=" << ret << dendl; | |
8900 | return ret; | |
8901 | } | |
8902 | ||
8903 | RGWRados::Bucket bop(this, bucket_info); | |
8904 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
8905 | ||
8906 | real_time removed_mtime; | |
8907 | int r = index_op.complete_del(-1 /* pool */, 0, removed_mtime, NULL); | |
8908 | ||
8909 | return r; | |
8910 | } | |
8911 | ||
8912 | static void generate_fake_tag(RGWRados *store, map<string, bufferlist>& attrset, RGWObjManifest& manifest, bufferlist& manifest_bl, bufferlist& tag_bl) | |
8913 | { | |
8914 | string tag; | |
8915 | ||
8916 | RGWObjManifest::obj_iterator mi = manifest.obj_begin(); | |
8917 | if (mi != manifest.obj_end()) { | |
8918 | if (manifest.has_tail()) // first object usually points at the head, let's skip to a more unique part | |
8919 | ++mi; | |
8920 | tag = mi.get_location().get_raw_obj(store).oid; | |
8921 | tag.append("_"); | |
8922 | } | |
8923 | ||
8924 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
8925 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
8926 | MD5 hash; | |
8927 | hash.Update((const byte *)manifest_bl.c_str(), manifest_bl.length()); | |
8928 | ||
8929 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_ETAG); | |
8930 | if (iter != attrset.end()) { | |
8931 | bufferlist& bl = iter->second; | |
8932 | hash.Update((const byte *)bl.c_str(), bl.length()); | |
8933 | } | |
8934 | ||
8935 | hash.Final(md5); | |
8936 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
8937 | tag.append(md5_str); | |
8938 | ||
8939 | ldout(store->ctx(), 10) << "generate_fake_tag new tag=" << tag << dendl; | |
8940 | ||
8941 | tag_bl.append(tag.c_str(), tag.size() + 1); | |
8942 | } | |
8943 | ||
8944 | static bool is_olh(map<string, bufferlist>& attrs) | |
8945 | { | |
8946 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_INFO); | |
8947 | return (iter != attrs.end()); | |
8948 | } | |
8949 | ||
8950 | static bool has_olh_tag(map<string, bufferlist>& attrs) | |
8951 | { | |
8952 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_ID_TAG); | |
8953 | return (iter != attrs.end()); | |
8954 | } | |
8955 | ||
8956 | int RGWRados::get_olh_target_state(RGWObjectCtx& obj_ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
8957 | RGWObjState *olh_state, RGWObjState **target_state) | |
8958 | { | |
8959 | assert(olh_state->is_olh); | |
8960 | ||
8961 | rgw_obj target; | |
8962 | int r = RGWRados::follow_olh(bucket_info, obj_ctx, olh_state, obj, &target); /* might return -EAGAIN */ | |
8963 | if (r < 0) { | |
8964 | return r; | |
8965 | } | |
8966 | r = get_obj_state(&obj_ctx, bucket_info, target, target_state, false); | |
8967 | if (r < 0) { | |
8968 | return r; | |
8969 | } | |
8970 | ||
8971 | return 0; | |
8972 | } | |
8973 | ||
8974 | int RGWRados::get_system_obj_state_impl(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
8975 | { | |
8976 | if (obj.empty()) { | |
8977 | return -EINVAL; | |
8978 | } | |
8979 | ||
8980 | RGWRawObjState *s = rctx->raw.get_state(obj); | |
8981 | ldout(cct, 20) << "get_system_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
8982 | *state = s; | |
8983 | if (s->has_attrs) { | |
8984 | return 0; | |
8985 | } | |
8986 | ||
8987 | s->obj = obj; | |
8988 | ||
8989 | int r = raw_obj_stat(obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), objv_tracker); | |
8990 | if (r == -ENOENT) { | |
8991 | s->exists = false; | |
8992 | s->has_attrs = true; | |
8993 | s->mtime = real_time(); | |
8994 | return 0; | |
8995 | } | |
8996 | if (r < 0) | |
8997 | return r; | |
8998 | ||
8999 | s->exists = true; | |
9000 | s->has_attrs = true; | |
9001 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
9002 | ||
9003 | if (s->obj_tag.length()) | |
31f18b77 FG |
9004 | ldout(cct, 20) << "get_system_obj_state: setting s->obj_tag to " |
9005 | << s->obj_tag.c_str() << dendl; | |
7c673cae FG |
9006 | else |
9007 | ldout(cct, 20) << "get_system_obj_state: s->obj_tag was set empty" << dendl; | |
9008 | ||
9009 | return 0; | |
9010 | } | |
9011 | ||
9012 | int RGWRados::get_system_obj_state(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
9013 | { | |
9014 | int ret; | |
9015 | ||
9016 | do { | |
9017 | ret = get_system_obj_state_impl(rctx, obj, state, objv_tracker); | |
9018 | } while (ret == -EAGAIN); | |
9019 | ||
9020 | return ret; | |
9021 | } | |
9022 | ||
9023 | int RGWRados::get_obj_state_impl(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
9024 | RGWObjState **state, bool follow_olh, bool assume_noent) | |
9025 | { | |
9026 | if (obj.empty()) { | |
9027 | return -EINVAL; | |
9028 | } | |
9029 | ||
9030 | bool need_follow_olh = follow_olh && obj.key.instance.empty(); | |
9031 | ||
9032 | RGWObjState *s = rctx->obj.get_state(obj); | |
9033 | ldout(cct, 20) << "get_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
9034 | *state = s; | |
9035 | if (s->has_attrs) { | |
9036 | if (s->is_olh && need_follow_olh) { | |
9037 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
9038 | } | |
9039 | return 0; | |
9040 | } | |
9041 | ||
9042 | s->obj = obj; | |
9043 | ||
9044 | rgw_raw_obj raw_obj; | |
9045 | obj_to_raw(bucket_info.placement_rule, obj, &raw_obj); | |
9046 | ||
9047 | int r = -ENOENT; | |
9048 | ||
9049 | if (!assume_noent) { | |
9050 | r = RGWRados::raw_obj_stat(raw_obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), NULL); | |
9051 | } | |
9052 | ||
9053 | if (r == -ENOENT) { | |
9054 | s->exists = false; | |
9055 | s->has_attrs = true; | |
9056 | tombstone_entry entry; | |
9057 | if (obj_tombstone_cache && obj_tombstone_cache->find(obj, entry)) { | |
9058 | s->mtime = entry.mtime; | |
9059 | s->zone_short_id = entry.zone_short_id; | |
9060 | s->pg_ver = entry.pg_ver; | |
9061 | ldout(cct, 20) << __func__ << "(): found obj in tombstone cache: obj=" << obj | |
9062 | << " mtime=" << s->mtime << " pgv=" << s->pg_ver << dendl; | |
9063 | } else { | |
9064 | s->mtime = real_time(); | |
9065 | } | |
9066 | return 0; | |
9067 | } | |
9068 | if (r < 0) | |
9069 | return r; | |
9070 | ||
9071 | s->exists = true; | |
9072 | s->has_attrs = true; | |
9073 | s->accounted_size = s->size; | |
9074 | ||
9075 | auto iter = s->attrset.find(RGW_ATTR_COMPRESSION); | |
31f18b77 FG |
9076 | const bool compressed = (iter != s->attrset.end()); |
9077 | if (compressed) { | |
7c673cae FG |
9078 | // use uncompressed size for accounted_size |
9079 | try { | |
9080 | RGWCompressionInfo info; | |
9081 | auto p = iter->second.begin(); | |
9082 | ::decode(info, p); | |
31f18b77 | 9083 | s->accounted_size = info.orig_size; |
7c673cae FG |
9084 | } catch (buffer::error&) { |
9085 | dout(0) << "ERROR: could not decode compression info for object: " << obj << dendl; | |
9086 | return -EIO; | |
9087 | } | |
9088 | } | |
9089 | ||
9090 | iter = s->attrset.find(RGW_ATTR_SHADOW_OBJ); | |
9091 | if (iter != s->attrset.end()) { | |
9092 | bufferlist bl = iter->second; | |
9093 | bufferlist::iterator it = bl.begin(); | |
9094 | it.copy(bl.length(), s->shadow_obj); | |
9095 | s->shadow_obj[bl.length()] = '\0'; | |
9096 | } | |
9097 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
9098 | ||
9099 | bufferlist manifest_bl = s->attrset[RGW_ATTR_MANIFEST]; | |
9100 | if (manifest_bl.length()) { | |
9101 | bufferlist::iterator miter = manifest_bl.begin(); | |
9102 | try { | |
9103 | ::decode(s->manifest, miter); | |
9104 | s->has_manifest = true; | |
9105 | s->manifest.set_head(bucket_info.placement_rule, obj, s->size); /* patch manifest to reflect the head we just read, some manifests might be | |
9106 | broken due to old bugs */ | |
9107 | s->size = s->manifest.get_obj_size(); | |
31f18b77 FG |
9108 | if (!compressed) |
9109 | s->accounted_size = s->size; | |
7c673cae FG |
9110 | } catch (buffer::error& err) { |
9111 | ldout(cct, 0) << "ERROR: couldn't decode manifest" << dendl; | |
9112 | return -EIO; | |
9113 | } | |
9114 | ldout(cct, 10) << "manifest: total_size = " << s->manifest.get_obj_size() << dendl; | |
9115 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20) && s->manifest.has_explicit_objs()) { | |
9116 | RGWObjManifest::obj_iterator mi; | |
9117 | for (mi = s->manifest.obj_begin(); mi != s->manifest.obj_end(); ++mi) { | |
9118 | ldout(cct, 20) << "manifest: ofs=" << mi.get_ofs() << " loc=" << mi.get_location().get_raw_obj(this) << dendl; | |
9119 | } | |
9120 | } | |
9121 | ||
9122 | if (!s->obj_tag.length()) { | |
9123 | /* | |
9124 | * Uh oh, something's wrong, object with manifest should have tag. Let's | |
9125 | * create one out of the manifest, would be unique | |
9126 | */ | |
9127 | generate_fake_tag(this, s->attrset, s->manifest, manifest_bl, s->obj_tag); | |
9128 | s->fake_tag = true; | |
9129 | } | |
9130 | } | |
9131 | map<string, bufferlist>::iterator aiter = s->attrset.find(RGW_ATTR_PG_VER); | |
9132 | if (aiter != s->attrset.end()) { | |
9133 | bufferlist& pg_ver_bl = aiter->second; | |
9134 | if (pg_ver_bl.length()) { | |
9135 | bufferlist::iterator pgbl = pg_ver_bl.begin(); | |
9136 | try { | |
9137 | ::decode(s->pg_ver, pgbl); | |
9138 | } catch (buffer::error& err) { | |
9139 | ldout(cct, 0) << "ERROR: couldn't decode pg ver attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
9140 | } | |
9141 | } | |
9142 | } | |
9143 | aiter = s->attrset.find(RGW_ATTR_SOURCE_ZONE); | |
9144 | if (aiter != s->attrset.end()) { | |
9145 | bufferlist& zone_short_id_bl = aiter->second; | |
9146 | if (zone_short_id_bl.length()) { | |
9147 | bufferlist::iterator zbl = zone_short_id_bl.begin(); | |
9148 | try { | |
9149 | ::decode(s->zone_short_id, zbl); | |
9150 | } catch (buffer::error& err) { | |
9151 | ldout(cct, 0) << "ERROR: couldn't decode zone short id attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
9152 | } | |
9153 | } | |
9154 | } | |
9155 | if (s->obj_tag.length()) | |
31f18b77 | 9156 | ldout(cct, 20) << "get_obj_state: setting s->obj_tag to " << s->obj_tag.c_str() << dendl; |
7c673cae FG |
9157 | else |
9158 | ldout(cct, 20) << "get_obj_state: s->obj_tag was set empty" << dendl; | |
9159 | ||
9160 | /* an object might not be olh yet, but could have olh id tag, so we should set it anyway if | |
9161 | * it exist, and not only if is_olh() returns true | |
9162 | */ | |
9163 | iter = s->attrset.find(RGW_ATTR_OLH_ID_TAG); | |
9164 | if (iter != s->attrset.end()) { | |
9165 | s->olh_tag = iter->second; | |
9166 | } | |
9167 | ||
9168 | if (is_olh(s->attrset)) { | |
9169 | s->is_olh = true; | |
9170 | ||
9171 | ldout(cct, 20) << __func__ << ": setting s->olh_tag to " << string(s->olh_tag.c_str(), s->olh_tag.length()) << dendl; | |
9172 | ||
9173 | if (need_follow_olh) { | |
9174 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
9175 | } | |
9176 | } | |
9177 | ||
9178 | return 0; | |
9179 | } | |
9180 | ||
9181 | int RGWRados::get_obj_state(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWObjState **state, | |
9182 | bool follow_olh, bool assume_noent) | |
9183 | { | |
9184 | int ret; | |
9185 | ||
9186 | do { | |
9187 | ret = get_obj_state_impl(rctx, bucket_info, obj, state, follow_olh, assume_noent); | |
9188 | } while (ret == -EAGAIN); | |
9189 | ||
9190 | return ret; | |
9191 | } | |
9192 | ||
9193 | int RGWRados::Object::get_manifest(RGWObjManifest **pmanifest) | |
9194 | { | |
9195 | RGWObjState *astate; | |
9196 | int r = get_state(&astate, true); | |
9197 | if (r < 0) { | |
9198 | return r; | |
9199 | } | |
9200 | ||
9201 | *pmanifest = &astate->manifest; | |
9202 | ||
9203 | return 0; | |
9204 | } | |
9205 | ||
9206 | int RGWRados::Object::Read::get_attr(const char *name, bufferlist& dest) | |
9207 | { | |
9208 | RGWObjState *state; | |
9209 | int r = source->get_state(&state, true); | |
9210 | if (r < 0) | |
9211 | return r; | |
9212 | if (!state->exists) | |
9213 | return -ENOENT; | |
9214 | if (!state->get_attr(name, dest)) | |
9215 | return -ENODATA; | |
9216 | ||
9217 | return 0; | |
9218 | } | |
9219 | ||
9220 | ||
9221 | int RGWRados::Object::Stat::stat_async() | |
9222 | { | |
9223 | RGWObjectCtx& ctx = source->get_ctx(); | |
9224 | rgw_obj& obj = source->get_obj(); | |
9225 | RGWRados *store = source->get_store(); | |
9226 | ||
9227 | RGWObjState *s = ctx.obj.get_state(obj); /* calling this one directly because otherwise a sync request will be sent */ | |
9228 | result.obj = obj; | |
9229 | if (s->has_attrs) { | |
9230 | state.ret = 0; | |
9231 | result.size = s->size; | |
9232 | result.mtime = ceph::real_clock::to_timespec(s->mtime); | |
9233 | result.attrs = s->attrset; | |
9234 | result.has_manifest = s->has_manifest; | |
9235 | result.manifest = s->manifest; | |
9236 | return 0; | |
9237 | } | |
9238 | ||
9239 | string oid; | |
9240 | string loc; | |
9241 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
9242 | ||
9243 | int r = store->get_obj_head_ioctx(source->get_bucket_info(), obj, &state.io_ctx); | |
9244 | if (r < 0) { | |
9245 | return r; | |
9246 | } | |
9247 | ||
9248 | librados::ObjectReadOperation op; | |
9249 | op.stat2(&result.size, &result.mtime, NULL); | |
9250 | op.getxattrs(&result.attrs, NULL); | |
9251 | state.completion = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
9252 | state.io_ctx.locator_set_key(loc); | |
9253 | r = state.io_ctx.aio_operate(oid, state.completion, &op, NULL); | |
9254 | if (r < 0) { | |
9255 | ldout(store->ctx(), 5) << __func__ | |
9256 | << ": ERROR: aio_operate() returned ret=" << r | |
9257 | << dendl; | |
9258 | return r; | |
9259 | } | |
9260 | ||
9261 | return 0; | |
9262 | } | |
9263 | ||
9264 | ||
9265 | int RGWRados::Object::Stat::wait() | |
9266 | { | |
9267 | if (!state.completion) { | |
9268 | return state.ret; | |
9269 | } | |
9270 | ||
9271 | state.completion->wait_for_safe(); | |
9272 | state.ret = state.completion->get_return_value(); | |
9273 | state.completion->release(); | |
9274 | ||
9275 | if (state.ret != 0) { | |
9276 | return state.ret; | |
9277 | } | |
9278 | ||
9279 | return finish(); | |
9280 | } | |
9281 | ||
9282 | int RGWRados::Object::Stat::finish() | |
9283 | { | |
9284 | map<string, bufferlist>::iterator iter = result.attrs.find(RGW_ATTR_MANIFEST); | |
9285 | if (iter != result.attrs.end()) { | |
9286 | bufferlist& bl = iter->second; | |
9287 | bufferlist::iterator biter = bl.begin(); | |
9288 | try { | |
9289 | ::decode(result.manifest, biter); | |
9290 | } catch (buffer::error& err) { | |
9291 | RGWRados *store = source->get_store(); | |
9292 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << ": failed to decode manifest" << dendl; | |
9293 | return -EIO; | |
9294 | } | |
9295 | result.has_manifest = true; | |
9296 | } | |
9297 | ||
9298 | return 0; | |
9299 | } | |
9300 | ||
9301 | /** | |
31f18b77 FG |
9302 | * Get an attribute for a system object. |
9303 | * obj: the object to get attr | |
7c673cae FG |
9304 | * name: name of the attr to retrieve |
9305 | * dest: bufferlist to store the result in | |
9306 | * Returns: 0 on success, -ERR# otherwise. | |
9307 | */ | |
9308 | int RGWRados::system_obj_get_attr(rgw_raw_obj& obj, const char *name, bufferlist& dest) | |
9309 | { | |
9310 | rgw_rados_ref ref; | |
9311 | rgw_pool pool; | |
9312 | int r = get_system_obj_ref(obj, &ref, &pool); | |
9313 | if (r < 0) { | |
9314 | return r; | |
9315 | } | |
9316 | ||
9317 | ObjectReadOperation op; | |
9318 | ||
9319 | int rval; | |
9320 | op.getxattr(name, &dest, &rval); | |
9321 | ||
9322 | r = ref.ioctx.operate(ref.oid, &op, NULL); | |
9323 | if (r < 0) | |
9324 | return r; | |
9325 | ||
9326 | return 0; | |
9327 | } | |
9328 | ||
9329 | int RGWRados::append_atomic_test(RGWObjectCtx *rctx, | |
9330 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
9331 | ObjectOperation& op, RGWObjState **pstate) | |
9332 | { | |
9333 | if (!rctx) | |
9334 | return 0; | |
9335 | ||
9336 | int r = get_obj_state(rctx, bucket_info, obj, pstate, false); | |
9337 | if (r < 0) | |
9338 | return r; | |
9339 | ||
9340 | RGWObjState *state = *pstate; | |
9341 | ||
9342 | if (!state->is_atomic) { | |
9343 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not appending atomic test" << dendl; | |
9344 | return 0; | |
9345 | } | |
9346 | ||
9347 | if (state->obj_tag.length() > 0 && !state->fake_tag) {// check for backward compatibility | |
9348 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9349 | } else { | |
9350 | ldout(cct, 20) << "state->obj_tag is empty, not appending atomic test" << dendl; | |
9351 | } | |
9352 | return 0; | |
9353 | } | |
9354 | ||
9355 | int RGWRados::Object::get_state(RGWObjState **pstate, bool follow_olh, bool assume_noent) | |
9356 | { | |
9357 | return store->get_obj_state(&ctx, bucket_info, obj, pstate, follow_olh, assume_noent); | |
9358 | } | |
9359 | ||
9360 | void RGWRados::Object::invalidate_state() | |
9361 | { | |
9362 | ctx.obj.invalidate(obj); | |
9363 | } | |
9364 | ||
9365 | void RGWRados::SystemObject::invalidate_state() | |
9366 | { | |
9367 | ctx.raw.invalidate(obj); | |
9368 | } | |
9369 | ||
9370 | int RGWRados::Object::prepare_atomic_modification(ObjectWriteOperation& op, bool reset_obj, const string *ptag, | |
9371 | const char *if_match, const char *if_nomatch, bool removal_op) | |
9372 | { | |
9373 | int r = get_state(&state, false); | |
9374 | if (r < 0) | |
9375 | return r; | |
9376 | ||
9377 | bool need_guard = (state->has_manifest || (state->obj_tag.length() != 0) || | |
9378 | if_match != NULL || if_nomatch != NULL) && | |
9379 | (!state->fake_tag); | |
9380 | ||
9381 | if (!state->is_atomic) { | |
9382 | ldout(store->ctx(), 20) << "prepare_atomic_modification: state is not atomic. state=" << (void *)state << dendl; | |
9383 | ||
9384 | if (reset_obj) { | |
9385 | op.create(false); | |
9386 | store->remove_rgw_head_obj(op); // we're not dropping reference here, actually removing object | |
9387 | } | |
9388 | ||
9389 | return 0; | |
9390 | } | |
9391 | ||
9392 | if (need_guard) { | |
9393 | /* first verify that the object wasn't replaced under */ | |
9394 | if (if_nomatch == NULL || strcmp(if_nomatch, "*") != 0) { | |
9395 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9396 | // FIXME: need to add FAIL_NOTEXIST_OK for racing deletion | |
9397 | } | |
9398 | ||
9399 | if (if_match) { | |
9400 | if (strcmp(if_match, "*") == 0) { | |
9401 | // test the object is existing | |
9402 | if (!state->exists) { | |
9403 | return -ERR_PRECONDITION_FAILED; | |
9404 | } | |
9405 | } else { | |
9406 | bufferlist bl; | |
9407 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9408 | strncmp(if_match, bl.c_str(), bl.length()) != 0) { | |
9409 | return -ERR_PRECONDITION_FAILED; | |
9410 | } | |
9411 | } | |
9412 | } | |
9413 | ||
9414 | if (if_nomatch) { | |
9415 | if (strcmp(if_nomatch, "*") == 0) { | |
9416 | // test the object is NOT existing | |
9417 | if (state->exists) { | |
9418 | return -ERR_PRECONDITION_FAILED; | |
9419 | } | |
9420 | } else { | |
9421 | bufferlist bl; | |
9422 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9423 | strncmp(if_nomatch, bl.c_str(), bl.length()) == 0) { | |
9424 | return -ERR_PRECONDITION_FAILED; | |
9425 | } | |
9426 | } | |
9427 | } | |
9428 | } | |
9429 | ||
9430 | if (reset_obj) { | |
9431 | if (state->exists) { | |
9432 | op.create(false); | |
9433 | store->remove_rgw_head_obj(op); | |
9434 | } else { | |
9435 | op.create(true); | |
9436 | } | |
9437 | } | |
9438 | ||
9439 | if (removal_op) { | |
9440 | /* the object is being removed, no need to update its tag */ | |
9441 | return 0; | |
9442 | } | |
9443 | ||
9444 | if (ptag) { | |
9445 | state->write_tag = *ptag; | |
9446 | } else { | |
9447 | append_rand_alpha(store->ctx(), state->write_tag, state->write_tag, 32); | |
9448 | } | |
9449 | bufferlist bl; | |
9450 | bl.append(state->write_tag.c_str(), state->write_tag.size() + 1); | |
9451 | ||
9452 | ldout(store->ctx(), 10) << "setting object write_tag=" << state->write_tag << dendl; | |
9453 | ||
9454 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9455 | ||
9456 | return 0; | |
9457 | } | |
9458 | ||
9459 | int RGWRados::system_obj_set_attr(void *ctx, rgw_raw_obj& obj, const char *name, bufferlist& bl, | |
9460 | RGWObjVersionTracker *objv_tracker) | |
9461 | { | |
9462 | map<string, bufferlist> attrs; | |
9463 | attrs[name] = bl; | |
9464 | return system_obj_set_attrs(ctx, obj, attrs, NULL, objv_tracker); | |
9465 | } | |
9466 | ||
9467 | int RGWRados::system_obj_set_attrs(void *ctx, rgw_raw_obj& obj, | |
9468 | map<string, bufferlist>& attrs, | |
9469 | map<string, bufferlist>* rmattrs, | |
9470 | RGWObjVersionTracker *objv_tracker) | |
9471 | { | |
9472 | rgw_rados_ref ref; | |
9473 | rgw_pool pool; | |
9474 | int r = get_system_obj_ref(obj, &ref, &pool); | |
9475 | if (r < 0) { | |
9476 | return r; | |
9477 | } | |
9478 | ObjectWriteOperation op; | |
9479 | ||
9480 | if (objv_tracker) { | |
9481 | objv_tracker->prepare_op_for_write(&op); | |
9482 | } | |
9483 | ||
9484 | map<string, bufferlist>::iterator iter; | |
9485 | if (rmattrs) { | |
9486 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9487 | const string& name = iter->first; | |
9488 | op.rmxattr(name.c_str()); | |
9489 | } | |
9490 | } | |
9491 | ||
9492 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9493 | const string& name = iter->first; | |
9494 | bufferlist& bl = iter->second; | |
9495 | ||
9496 | if (!bl.length()) | |
9497 | continue; | |
9498 | ||
9499 | op.setxattr(name.c_str(), bl); | |
9500 | } | |
9501 | ||
9502 | if (!op.size()) | |
9503 | return 0; | |
9504 | ||
9505 | bufferlist bl; | |
9506 | ||
9507 | r = ref.ioctx.operate(ref.oid, &op); | |
9508 | if (r < 0) | |
9509 | return r; | |
9510 | ||
9511 | return 0; | |
9512 | } | |
9513 | ||
9514 | /** | |
9515 | * Set an attr on an object. | |
9516 | * bucket: name of the bucket holding the object | |
9517 | * obj: name of the object to set the attr on | |
9518 | * name: the attr to set | |
9519 | * bl: the contents of the attr | |
9520 | * Returns: 0 on success, -ERR# otherwise. | |
9521 | */ | |
9522 | int RGWRados::set_attr(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, const char *name, bufferlist& bl) | |
9523 | { | |
9524 | map<string, bufferlist> attrs; | |
9525 | attrs[name] = bl; | |
9526 | return set_attrs(ctx, bucket_info, obj, attrs, NULL); | |
9527 | } | |
9528 | ||
9529 | int RGWRados::set_attrs(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, | |
9530 | map<string, bufferlist>& attrs, | |
9531 | map<string, bufferlist>* rmattrs) | |
9532 | { | |
9533 | rgw_rados_ref ref; | |
9534 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
9535 | if (r < 0) { | |
9536 | return r; | |
9537 | } | |
9538 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
9539 | ||
9540 | ObjectWriteOperation op; | |
9541 | RGWObjState *state = NULL; | |
9542 | ||
9543 | r = append_atomic_test(rctx, bucket_info, obj, op, &state); | |
9544 | if (r < 0) | |
9545 | return r; | |
9546 | ||
9547 | map<string, bufferlist>::iterator iter; | |
9548 | if (rmattrs) { | |
9549 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9550 | const string& name = iter->first; | |
9551 | op.rmxattr(name.c_str()); | |
9552 | } | |
9553 | } | |
9554 | ||
9555 | const rgw_bucket& bucket = obj.bucket; | |
9556 | ||
9557 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9558 | const string& name = iter->first; | |
9559 | bufferlist& bl = iter->second; | |
9560 | ||
9561 | if (!bl.length()) | |
9562 | continue; | |
9563 | ||
9564 | op.setxattr(name.c_str(), bl); | |
9565 | ||
9566 | if (name.compare(RGW_ATTR_DELETE_AT) == 0) { | |
9567 | real_time ts; | |
9568 | try { | |
9569 | ::decode(ts, bl); | |
9570 | ||
9571 | rgw_obj_index_key obj_key; | |
9572 | obj.key.get_index_key(&obj_key); | |
9573 | ||
9574 | objexp_hint_add(ts, bucket.tenant, bucket.name, bucket.bucket_id, obj_key); | |
9575 | } catch (buffer::error& err) { | |
9576 | ldout(cct, 0) << "ERROR: failed to decode " RGW_ATTR_DELETE_AT << " attr" << dendl; | |
9577 | } | |
9578 | } | |
9579 | } | |
9580 | ||
9581 | if (!op.size()) | |
9582 | return 0; | |
9583 | ||
9584 | RGWObjectCtx obj_ctx(this); | |
9585 | ||
9586 | bufferlist bl; | |
9587 | RGWRados::Bucket bop(this, bucket_info); | |
9588 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
9589 | ||
9590 | if (state) { | |
9591 | string tag; | |
9592 | append_rand_alpha(cct, tag, tag, 32); | |
9593 | state->write_tag = tag; | |
9594 | r = index_op.prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
9595 | ||
9596 | if (r < 0) | |
9597 | return r; | |
9598 | ||
9599 | bl.append(tag.c_str(), tag.size() + 1); | |
9600 | ||
9601 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9602 | } | |
9603 | ||
9604 | r = ref.ioctx.operate(ref.oid, &op); | |
9605 | if (state) { | |
9606 | if (r >= 0) { | |
9607 | bufferlist acl_bl = attrs[RGW_ATTR_ACL]; | |
9608 | bufferlist etag_bl = attrs[RGW_ATTR_ETAG]; | |
9609 | bufferlist content_type_bl = attrs[RGW_ATTR_CONTENT_TYPE]; | |
9610 | string etag(etag_bl.c_str(), etag_bl.length()); | |
9611 | string content_type(content_type_bl.c_str(), content_type_bl.length()); | |
9612 | uint64_t epoch = ref.ioctx.get_last_version(); | |
9613 | int64_t poolid = ref.ioctx.get_id(); | |
9614 | real_time mtime = real_clock::now(); | |
9615 | r = index_op.complete(poolid, epoch, state->size, state->accounted_size, | |
9616 | mtime, etag, content_type, &acl_bl, | |
9617 | RGW_OBJ_CATEGORY_MAIN, NULL); | |
9618 | } else { | |
9619 | int ret = index_op.cancel(); | |
9620 | if (ret < 0) { | |
9621 | ldout(cct, 0) << "ERROR: complete_update_index_cancel() returned ret=" << ret << dendl; | |
9622 | } | |
9623 | } | |
9624 | } | |
9625 | if (r < 0) | |
9626 | return r; | |
9627 | ||
9628 | if (state) { | |
9629 | state->obj_tag.swap(bl); | |
9630 | if (rmattrs) { | |
9631 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9632 | state->attrset.erase(iter->first); | |
9633 | } | |
9634 | } | |
9635 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9636 | state->attrset[iter->first] = iter->second; | |
9637 | } | |
9638 | } | |
9639 | ||
9640 | return 0; | |
9641 | } | |
9642 | ||
7c673cae FG |
9643 | int RGWRados::Object::Read::prepare() |
9644 | { | |
9645 | RGWRados *store = source->get_store(); | |
9646 | CephContext *cct = store->ctx(); | |
9647 | ||
9648 | bufferlist etag; | |
9649 | ||
9650 | map<string, bufferlist>::iterator iter; | |
9651 | ||
9652 | RGWObjState *astate; | |
9653 | int r = source->get_state(&astate, true); | |
9654 | if (r < 0) | |
9655 | return r; | |
9656 | ||
9657 | if (!astate->exists) { | |
9658 | return -ENOENT; | |
9659 | } | |
9660 | ||
9661 | const RGWBucketInfo& bucket_info = source->get_bucket_info(); | |
9662 | ||
9663 | state.obj = astate->obj; | |
9664 | store->obj_to_raw(bucket_info.placement_rule, state.obj, &state.head_obj); | |
9665 | ||
9666 | r = store->get_obj_head_ioctx(bucket_info, state.obj, &state.io_ctx); | |
9667 | if (r < 0) { | |
9668 | return r; | |
9669 | } | |
9670 | if (params.attrs) { | |
9671 | *params.attrs = astate->attrset; | |
9672 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9673 | for (iter = params.attrs->begin(); iter != params.attrs->end(); ++iter) { | |
9674 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9675 | } | |
9676 | } | |
9677 | } | |
9678 | ||
9679 | /* Convert all times go GMT to make them compatible */ | |
9680 | if (conds.mod_ptr || conds.unmod_ptr) { | |
9681 | obj_time_weight src_weight; | |
9682 | src_weight.init(astate); | |
9683 | src_weight.high_precision = conds.high_precision_time; | |
9684 | ||
9685 | obj_time_weight dest_weight; | |
9686 | dest_weight.high_precision = conds.high_precision_time; | |
9687 | ||
9688 | if (conds.mod_ptr) { | |
9689 | dest_weight.init(*conds.mod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9690 | ldout(cct, 10) << "If-Modified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9691 | if (!(dest_weight < src_weight)) { | |
9692 | return -ERR_NOT_MODIFIED; | |
9693 | } | |
9694 | } | |
9695 | ||
9696 | if (conds.unmod_ptr) { | |
9697 | dest_weight.init(*conds.unmod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9698 | ldout(cct, 10) << "If-UnModified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9699 | if (dest_weight < src_weight) { | |
9700 | return -ERR_PRECONDITION_FAILED; | |
9701 | } | |
9702 | } | |
9703 | } | |
9704 | if (conds.if_match || conds.if_nomatch) { | |
9705 | r = get_attr(RGW_ATTR_ETAG, etag); | |
9706 | if (r < 0) | |
9707 | return r; | |
9708 | ||
9709 | if (conds.if_match) { | |
9710 | string if_match_str = rgw_string_unquote(conds.if_match); | |
9711 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-Match: " << if_match_str << dendl; | |
9712 | if (if_match_str.compare(etag.c_str()) != 0) { | |
9713 | return -ERR_PRECONDITION_FAILED; | |
9714 | } | |
9715 | } | |
9716 | ||
9717 | if (conds.if_nomatch) { | |
9718 | string if_nomatch_str = rgw_string_unquote(conds.if_nomatch); | |
9719 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-NoMatch: " << if_nomatch_str << dendl; | |
9720 | if (if_nomatch_str.compare(etag.c_str()) == 0) { | |
9721 | return -ERR_NOT_MODIFIED; | |
9722 | } | |
9723 | } | |
9724 | } | |
9725 | ||
9726 | if (params.obj_size) | |
9727 | *params.obj_size = astate->size; | |
9728 | if (params.lastmod) | |
9729 | *params.lastmod = astate->mtime; | |
9730 | ||
9731 | return 0; | |
9732 | } | |
9733 | ||
9734 | int RGWRados::Object::Read::range_to_ofs(uint64_t obj_size, int64_t &ofs, int64_t &end) | |
9735 | { | |
9736 | if (ofs < 0) { | |
9737 | ofs += obj_size; | |
9738 | if (ofs < 0) | |
9739 | ofs = 0; | |
9740 | end = obj_size - 1; | |
9741 | } else if (end < 0) { | |
9742 | end = obj_size - 1; | |
9743 | } | |
9744 | ||
9745 | if (obj_size > 0) { | |
9746 | if (ofs >= (off_t)obj_size) { | |
9747 | return -ERANGE; | |
9748 | } | |
9749 | if (end >= (off_t)obj_size) { | |
9750 | end = obj_size - 1; | |
9751 | } | |
9752 | } | |
9753 | return 0; | |
9754 | } | |
9755 | ||
9756 | int RGWRados::SystemObject::get_state(RGWRawObjState **pstate, RGWObjVersionTracker *objv_tracker) | |
9757 | { | |
9758 | return store->get_system_obj_state(&ctx, obj, pstate, objv_tracker); | |
9759 | } | |
9760 | ||
9761 | int RGWRados::stat_system_obj(RGWObjectCtx& obj_ctx, | |
9762 | RGWRados::SystemObject::Read::GetObjState& state, | |
9763 | rgw_raw_obj& obj, | |
9764 | map<string, bufferlist> *attrs, | |
9765 | real_time *lastmod, | |
9766 | uint64_t *obj_size, | |
9767 | RGWObjVersionTracker *objv_tracker) | |
9768 | { | |
9769 | RGWRawObjState *astate = NULL; | |
9770 | ||
9771 | int r = get_system_obj_state(&obj_ctx, obj, &astate, objv_tracker); | |
9772 | if (r < 0) | |
9773 | return r; | |
9774 | ||
9775 | if (!astate->exists) { | |
9776 | return -ENOENT; | |
9777 | } | |
9778 | ||
9779 | if (attrs) { | |
9780 | *attrs = astate->attrset; | |
9781 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9782 | map<string, bufferlist>::iterator iter; | |
9783 | for (iter = attrs->begin(); iter != attrs->end(); ++iter) { | |
9784 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9785 | } | |
9786 | } | |
9787 | } | |
9788 | ||
9789 | if (obj_size) | |
9790 | *obj_size = astate->size; | |
9791 | if (lastmod) | |
9792 | *lastmod = astate->mtime; | |
9793 | ||
9794 | return 0; | |
9795 | } | |
9796 | ||
31f18b77 FG |
9797 | |
9798 | int RGWRados::Bucket::UpdateIndex::guard_reshard(BucketShard **pbs, std::function<int(BucketShard *)> call) | |
9799 | { | |
9800 | RGWRados *store = target->get_store(); | |
9801 | BucketShard *bs; | |
9802 | int r; | |
9803 | ||
9804 | #define NUM_RESHARD_RETRIES 10 | |
9805 | for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) { | |
9806 | int ret = get_bucket_shard(&bs); | |
9807 | if (ret < 0) { | |
9808 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9809 | return ret; | |
9810 | } | |
9811 | r = call(bs); | |
9812 | if (r != -ERR_BUSY_RESHARDING) { | |
9813 | break; | |
9814 | } | |
9815 | ldout(store->ctx(), 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl; | |
9816 | string new_bucket_id; | |
9817 | r = store->block_while_resharding(bs, &new_bucket_id); | |
9818 | if (r == -ERR_BUSY_RESHARDING) { | |
9819 | continue; | |
9820 | } | |
9821 | if (r < 0) { | |
9822 | return r; | |
9823 | } | |
9824 | ldout(store->ctx(), 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl; | |
9825 | i = 0; /* resharding is finished, make sure we can retry */ | |
9826 | r = target->update_bucket_id(new_bucket_id); | |
9827 | if (r < 0) { | |
9828 | ldout(store->ctx(), 0) << "ERROR: update_bucket_id() new_bucket_id=" << new_bucket_id << " returned r=" << r << dendl; | |
9829 | return r; | |
9830 | } | |
9831 | invalidate_bs(); | |
9832 | } | |
9833 | ||
9834 | if (r < 0) { | |
9835 | return r; | |
9836 | } | |
9837 | ||
9838 | if (pbs) { | |
9839 | *pbs = bs; | |
9840 | } | |
9841 | ||
9842 | return 0; | |
9843 | } | |
9844 | ||
7c673cae FG |
9845 | int RGWRados::SystemObject::Read::stat(RGWObjVersionTracker *objv_tracker) |
9846 | { | |
9847 | RGWRados *store = source->get_store(); | |
9848 | rgw_raw_obj& obj = source->get_obj(); | |
9849 | ||
9850 | return store->stat_system_obj(source->get_ctx(), state, obj, stat_params.attrs, | |
9851 | stat_params.lastmod, stat_params.obj_size, objv_tracker); | |
9852 | } | |
9853 | ||
9854 | int RGWRados::Bucket::UpdateIndex::prepare(RGWModifyOp op, const string *write_tag) | |
9855 | { | |
9856 | if (blind) { | |
9857 | return 0; | |
9858 | } | |
9859 | RGWRados *store = target->get_store(); | |
7c673cae FG |
9860 | |
9861 | if (write_tag && write_tag->length()) { | |
9862 | optag = string(write_tag->c_str(), write_tag->length()); | |
9863 | } else { | |
9864 | if (optag.empty()) { | |
9865 | append_rand_alpha(store->ctx(), optag, optag, 32); | |
9866 | } | |
9867 | } | |
9868 | ||
31f18b77 FG |
9869 | int r = guard_reshard(nullptr, [&](BucketShard *bs) -> int { |
9870 | return store->cls_obj_prepare_op(*bs, op, optag, obj, bilog_flags, zones_trace); | |
9871 | }); | |
9872 | ||
7c673cae FG |
9873 | if (r < 0) { |
9874 | return r; | |
9875 | } | |
9876 | prepared = true; | |
31f18b77 | 9877 | |
7c673cae FG |
9878 | return 0; |
9879 | } | |
9880 | ||
9881 | int RGWRados::Bucket::UpdateIndex::complete(int64_t poolid, uint64_t epoch, | |
9882 | uint64_t size, uint64_t accounted_size, | |
9883 | ceph::real_time& ut, const string& etag, | |
9884 | const string& content_type, | |
9885 | bufferlist *acl_bl, | |
9886 | RGWObjCategory category, | |
9887 | list<rgw_obj_index_key> *remove_objs, const string *user_data) | |
9888 | { | |
9889 | if (blind) { | |
9890 | return 0; | |
9891 | } | |
9892 | RGWRados *store = target->get_store(); | |
9893 | BucketShard *bs; | |
31f18b77 | 9894 | |
7c673cae FG |
9895 | int ret = get_bucket_shard(&bs); |
9896 | if (ret < 0) { | |
9897 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9898 | return ret; | |
9899 | } | |
9900 | ||
9901 | rgw_bucket_dir_entry ent; | |
9902 | obj.key.get_index_key(&ent.key); | |
9903 | ent.meta.size = size; | |
9904 | ent.meta.accounted_size = accounted_size; | |
9905 | ent.meta.mtime = ut; | |
9906 | ent.meta.etag = etag; | |
9907 | if (user_data) | |
9908 | ent.meta.user_data = *user_data; | |
9909 | ||
9910 | ACLOwner owner; | |
9911 | if (acl_bl && acl_bl->length()) { | |
9912 | int ret = store->decode_policy(*acl_bl, &owner); | |
9913 | if (ret < 0) { | |
9914 | ldout(store->ctx(), 0) << "WARNING: could not decode policy ret=" << ret << dendl; | |
9915 | } | |
9916 | } | |
9917 | ent.meta.owner = owner.get_id().to_str(); | |
9918 | ent.meta.owner_display_name = owner.get_display_name(); | |
9919 | ent.meta.content_type = content_type; | |
9920 | ||
31f18b77 | 9921 | ret = store->cls_obj_complete_add(*bs, obj, optag, poolid, epoch, ent, category, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
9922 | |
9923 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9924 | if (r < 0) { | |
9925 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9926 | } | |
9927 | ||
9928 | return ret; | |
9929 | } | |
9930 | ||
9931 | int RGWRados::Bucket::UpdateIndex::complete_del(int64_t poolid, uint64_t epoch, | |
9932 | real_time& removed_mtime, | |
9933 | list<rgw_obj_index_key> *remove_objs) | |
9934 | { | |
9935 | if (blind) { | |
9936 | return 0; | |
9937 | } | |
9938 | RGWRados *store = target->get_store(); | |
9939 | BucketShard *bs; | |
31f18b77 | 9940 | |
7c673cae FG |
9941 | int ret = get_bucket_shard(&bs); |
9942 | if (ret < 0) { | |
9943 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9944 | return ret; | |
9945 | } | |
9946 | ||
31f18b77 | 9947 | ret = store->cls_obj_complete_del(*bs, optag, poolid, epoch, obj, removed_mtime, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
9948 | |
9949 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9950 | if (r < 0) { | |
9951 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9952 | } | |
9953 | ||
9954 | return ret; | |
9955 | } | |
9956 | ||
9957 | ||
9958 | int RGWRados::Bucket::UpdateIndex::cancel() | |
9959 | { | |
9960 | if (blind) { | |
9961 | return 0; | |
9962 | } | |
9963 | RGWRados *store = target->get_store(); | |
9964 | BucketShard *bs; | |
7c673cae | 9965 | |
31f18b77 FG |
9966 | int ret = guard_reshard(&bs, [&](BucketShard *bs) -> int { |
9967 | return store->cls_obj_complete_cancel(*bs, optag, obj, bilog_flags, zones_trace); | |
9968 | }); | |
7c673cae FG |
9969 | |
9970 | /* | |
9971 | * need to update data log anyhow, so that whoever follows needs to update its internal markers | |
9972 | * for following the specific bucket shard log. Otherwise they end up staying behind, and users | |
9973 | * have no way to tell that they're all caught up | |
9974 | */ | |
9975 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9976 | if (r < 0) { | |
9977 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9978 | } | |
9979 | ||
9980 | return ret; | |
9981 | } | |
9982 | ||
9983 | int RGWRados::Object::Read::read(int64_t ofs, int64_t end, bufferlist& bl) | |
9984 | { | |
9985 | RGWRados *store = source->get_store(); | |
9986 | CephContext *cct = store->ctx(); | |
9987 | ||
9988 | std::string oid, key; | |
9989 | rgw_raw_obj read_obj; | |
9990 | uint64_t read_ofs = ofs; | |
9991 | uint64_t len, read_len; | |
9992 | bool reading_from_head = true; | |
9993 | ObjectReadOperation op; | |
9994 | ||
9995 | bool merge_bl = false; | |
9996 | bufferlist *pbl = &bl; | |
9997 | bufferlist read_bl; | |
9998 | uint64_t max_chunk_size; | |
9999 | ||
10000 | RGWObjState *astate; | |
10001 | int r = source->get_state(&astate, true); | |
10002 | if (r < 0) | |
10003 | return r; | |
10004 | ||
10005 | if (end < 0) | |
10006 | len = 0; | |
10007 | else | |
10008 | len = end - ofs + 1; | |
10009 | ||
10010 | if (astate->has_manifest && astate->manifest.has_tail()) { | |
10011 | /* now get the relevant object part */ | |
10012 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
10013 | ||
10014 | uint64_t stripe_ofs = iter.get_stripe_ofs(); | |
10015 | read_obj = iter.get_location().get_raw_obj(store); | |
10016 | len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
10017 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
10018 | reading_from_head = (read_obj == state.head_obj); | |
10019 | } else { | |
10020 | read_obj = state.head_obj; | |
10021 | } | |
10022 | ||
10023 | r = store->get_max_chunk_size(read_obj.pool, &max_chunk_size); | |
10024 | if (r < 0) { | |
10025 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for pool " << read_obj.pool << dendl; | |
10026 | return r; | |
10027 | } | |
10028 | ||
10029 | if (len > max_chunk_size) | |
10030 | len = max_chunk_size; | |
10031 | ||
10032 | ||
10033 | state.io_ctx.locator_set_key(read_obj.loc); | |
10034 | ||
10035 | read_len = len; | |
10036 | ||
10037 | if (reading_from_head) { | |
10038 | /* only when reading from the head object do we need to do the atomic test */ | |
10039 | r = store->append_atomic_test(&source->get_ctx(), source->get_bucket_info(), state.obj, op, &astate); | |
10040 | if (r < 0) | |
10041 | return r; | |
10042 | ||
10043 | if (astate && astate->prefetch_data) { | |
10044 | if (!ofs && astate->data.length() >= len) { | |
10045 | bl = astate->data; | |
10046 | return bl.length(); | |
10047 | } | |
10048 | ||
10049 | if (ofs < astate->data.length()) { | |
10050 | unsigned copy_len = min((uint64_t)astate->data.length() - ofs, len); | |
10051 | astate->data.copy(ofs, copy_len, bl); | |
10052 | read_len -= copy_len; | |
10053 | read_ofs += copy_len; | |
10054 | if (!read_len) | |
10055 | return bl.length(); | |
10056 | ||
10057 | merge_bl = true; | |
10058 | pbl = &read_bl; | |
10059 | } | |
10060 | } | |
10061 | } | |
10062 | ||
10063 | ldout(cct, 20) << "rados->read obj-ofs=" << ofs << " read_ofs=" << read_ofs << " read_len=" << read_len << dendl; | |
10064 | op.read(read_ofs, read_len, pbl, NULL); | |
10065 | ||
10066 | r = state.io_ctx.operate(read_obj.oid, &op, NULL); | |
10067 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10068 | ||
10069 | if (r < 0) { | |
10070 | return r; | |
10071 | } | |
10072 | ||
10073 | if (merge_bl) { | |
10074 | bl.append(read_bl); | |
10075 | } | |
10076 | ||
10077 | return bl.length(); | |
10078 | } | |
10079 | ||
10080 | int RGWRados::SystemObject::Read::GetObjState::get_ref(RGWRados *store, rgw_raw_obj& obj, rgw_rados_ref **pref) | |
10081 | { | |
10082 | if (!has_ref) { | |
10083 | rgw_pool pool; | |
10084 | int r = store->get_raw_obj_ref(obj, &ref, &pool); | |
10085 | if (r < 0) { | |
10086 | return r; | |
10087 | } | |
10088 | has_ref = true; | |
10089 | } | |
10090 | *pref = &ref; | |
10091 | return 0; | |
10092 | ||
10093 | } | |
10094 | ||
10095 | int RGWRados::get_system_obj(RGWObjectCtx& obj_ctx, RGWRados::SystemObject::Read::GetObjState& read_state, | |
10096 | RGWObjVersionTracker *objv_tracker, rgw_raw_obj& obj, | |
10097 | bufferlist& bl, off_t ofs, off_t end, | |
10098 | map<string, bufferlist> *attrs, | |
10099 | rgw_cache_entry_info *cache_info) | |
10100 | { | |
10101 | uint64_t len; | |
10102 | ObjectReadOperation op; | |
10103 | ||
10104 | if (end < 0) | |
10105 | len = 0; | |
10106 | else | |
10107 | len = end - ofs + 1; | |
10108 | ||
10109 | if (objv_tracker) { | |
10110 | objv_tracker->prepare_op_for_read(&op); | |
10111 | } | |
10112 | ||
10113 | ldout(cct, 20) << "rados->read ofs=" << ofs << " len=" << len << dendl; | |
10114 | op.read(ofs, len, &bl, NULL); | |
10115 | ||
10116 | if (attrs) { | |
10117 | op.getxattrs(attrs, NULL); | |
10118 | } | |
10119 | ||
10120 | rgw_rados_ref *ref; | |
10121 | int r = read_state.get_ref(this, obj, &ref); | |
10122 | if (r < 0) { | |
10123 | ldout(cct, 20) << "read_state.get_ref() on obj=" << obj << " returned " << r << dendl; | |
10124 | return r; | |
10125 | } | |
10126 | r = ref->ioctx.operate(ref->oid, &op, NULL); | |
10127 | if (r < 0) { | |
10128 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10129 | return r; | |
10130 | } | |
10131 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
10132 | ||
10133 | uint64_t op_ver = ref->ioctx.get_last_version(); | |
10134 | ||
10135 | if (read_state.last_ver > 0 && | |
10136 | read_state.last_ver != op_ver) { | |
10137 | ldout(cct, 5) << "raced with an object write, abort" << dendl; | |
10138 | return -ECANCELED; | |
10139 | } | |
10140 | ||
10141 | read_state.last_ver = op_ver; | |
10142 | ||
10143 | return bl.length(); | |
10144 | } | |
10145 | ||
10146 | int RGWRados::SystemObject::Read::read(int64_t ofs, int64_t end, bufferlist& bl, RGWObjVersionTracker *objv_tracker) | |
10147 | { | |
10148 | RGWRados *store = source->get_store(); | |
10149 | rgw_raw_obj& obj = source->get_obj(); | |
10150 | ||
10151 | return store->get_system_obj(source->get_ctx(), state, objv_tracker, obj, bl, ofs, end, read_params.attrs, read_params.cache_info); | |
10152 | } | |
10153 | ||
10154 | int RGWRados::SystemObject::Read::get_attr(const char *name, bufferlist& dest) | |
10155 | { | |
10156 | RGWRados *store = source->get_store(); | |
10157 | rgw_raw_obj& obj = source->get_obj(); | |
10158 | ||
10159 | return store->system_obj_get_attr(obj, name, dest); | |
10160 | } | |
10161 | ||
10162 | struct get_obj_data; | |
10163 | ||
10164 | struct get_obj_aio_data { | |
10165 | struct get_obj_data *op_data; | |
10166 | off_t ofs; | |
10167 | off_t len; | |
10168 | }; | |
10169 | ||
10170 | struct get_obj_io { | |
10171 | off_t len; | |
10172 | bufferlist bl; | |
10173 | }; | |
10174 | ||
10175 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg); | |
10176 | ||
10177 | struct get_obj_data : public RefCountedObject { | |
10178 | CephContext *cct; | |
10179 | RGWRados *rados; | |
10180 | RGWObjectCtx *ctx; | |
10181 | IoCtx io_ctx; | |
10182 | map<off_t, get_obj_io> io_map; | |
10183 | map<off_t, librados::AioCompletion *> completion_map; | |
10184 | uint64_t total_read; | |
10185 | Mutex lock; | |
10186 | Mutex data_lock; | |
10187 | list<get_obj_aio_data> aio_data; | |
10188 | RGWGetDataCB *client_cb; | |
10189 | std::atomic<bool> cancelled = { false }; | |
10190 | std::atomic<int64_t> err_code = { 0 }; | |
10191 | Throttle throttle; | |
10192 | list<bufferlist> read_list; | |
10193 | ||
10194 | explicit get_obj_data(CephContext *_cct) | |
10195 | : cct(_cct), | |
10196 | rados(NULL), ctx(NULL), | |
10197 | total_read(0), lock("get_obj_data"), data_lock("get_obj_data::data_lock"), | |
10198 | client_cb(NULL), | |
10199 | throttle(cct, "get_obj_data", cct->_conf->rgw_get_obj_window_size, false) {} | |
10200 | ~get_obj_data() override { } | |
10201 | void set_cancelled(int r) { | |
10202 | cancelled = true; | |
10203 | err_code = r; | |
10204 | } | |
10205 | ||
10206 | bool is_cancelled() { | |
10207 | return cancelled; | |
10208 | } | |
10209 | ||
10210 | int get_err_code() { | |
10211 | return err_code; | |
10212 | } | |
10213 | ||
10214 | int wait_next_io(bool *done) { | |
10215 | lock.Lock(); | |
10216 | map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
10217 | if (iter == completion_map.end()) { | |
10218 | *done = true; | |
10219 | lock.Unlock(); | |
10220 | return 0; | |
10221 | } | |
10222 | off_t cur_ofs = iter->first; | |
10223 | librados::AioCompletion *c = iter->second; | |
10224 | lock.Unlock(); | |
10225 | ||
10226 | c->wait_for_safe_and_cb(); | |
10227 | int r = c->get_return_value(); | |
10228 | ||
10229 | lock.Lock(); | |
10230 | completion_map.erase(cur_ofs); | |
10231 | ||
10232 | if (completion_map.empty()) { | |
10233 | *done = true; | |
10234 | } | |
10235 | lock.Unlock(); | |
10236 | ||
10237 | c->release(); | |
10238 | ||
10239 | return r; | |
10240 | } | |
10241 | ||
10242 | void add_io(off_t ofs, off_t len, bufferlist **pbl, AioCompletion **pc) { | |
10243 | Mutex::Locker l(lock); | |
10244 | ||
10245 | const auto& io_iter = io_map.insert( | |
10246 | map<off_t, get_obj_io>::value_type(ofs, get_obj_io())); | |
10247 | ||
10248 | assert(io_iter.second); // assert new insertion | |
10249 | ||
10250 | get_obj_io& io = (io_iter.first)->second; | |
10251 | *pbl = &io.bl; | |
10252 | ||
10253 | struct get_obj_aio_data aio; | |
10254 | aio.ofs = ofs; | |
10255 | aio.len = len; | |
10256 | aio.op_data = this; | |
10257 | ||
10258 | aio_data.push_back(aio); | |
10259 | ||
10260 | struct get_obj_aio_data *paio_data = &aio_data.back(); /* last element */ | |
10261 | ||
10262 | librados::AioCompletion *c = librados::Rados::aio_create_completion((void *)paio_data, NULL, _get_obj_aio_completion_cb); | |
10263 | completion_map[ofs] = c; | |
10264 | ||
10265 | *pc = c; | |
10266 | ||
10267 | /* we have a reference per IO, plus one reference for the calling function. | |
10268 | * reference is dropped for each callback, plus when we're done iterating | |
10269 | * over the parts */ | |
10270 | get(); | |
10271 | } | |
10272 | ||
10273 | void cancel_io(off_t ofs) { | |
10274 | ldout(cct, 20) << "get_obj_data::cancel_io() ofs=" << ofs << dendl; | |
10275 | lock.Lock(); | |
10276 | map<off_t, AioCompletion *>::iterator iter = completion_map.find(ofs); | |
10277 | if (iter != completion_map.end()) { | |
10278 | AioCompletion *c = iter->second; | |
10279 | c->release(); | |
10280 | completion_map.erase(ofs); | |
10281 | io_map.erase(ofs); | |
10282 | } | |
10283 | lock.Unlock(); | |
10284 | ||
10285 | /* we don't drop a reference here -- e.g., not calling d->put(), because we still | |
10286 | * need IoCtx to live, as io callback may still be called | |
10287 | */ | |
10288 | } | |
10289 | ||
10290 | void cancel_all_io() { | |
10291 | ldout(cct, 20) << "get_obj_data::cancel_all_io()" << dendl; | |
10292 | Mutex::Locker l(lock); | |
10293 | for (map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
10294 | iter != completion_map.end(); ++iter) { | |
10295 | librados::AioCompletion *c = iter->second; | |
10296 | c->release(); | |
10297 | } | |
10298 | } | |
10299 | ||
10300 | int get_complete_ios(off_t ofs, list<bufferlist>& bl_list) { | |
10301 | Mutex::Locker l(lock); | |
10302 | ||
10303 | map<off_t, get_obj_io>::iterator liter = io_map.begin(); | |
10304 | ||
10305 | if (liter == io_map.end() || | |
10306 | liter->first != ofs) { | |
10307 | return 0; | |
10308 | } | |
10309 | ||
10310 | map<off_t, librados::AioCompletion *>::iterator aiter; | |
10311 | aiter = completion_map.find(ofs); | |
10312 | if (aiter == completion_map.end()) { | |
10313 | /* completion map does not hold this io, it was cancelled */ | |
10314 | return 0; | |
10315 | } | |
10316 | ||
10317 | AioCompletion *completion = aiter->second; | |
10318 | int r = completion->get_return_value(); | |
10319 | if (r < 0) | |
10320 | return r; | |
10321 | ||
10322 | for (; aiter != completion_map.end(); ++aiter) { | |
10323 | completion = aiter->second; | |
10324 | if (!completion->is_safe()) { | |
10325 | /* reached a request that is not yet complete, stop */ | |
10326 | break; | |
10327 | } | |
10328 | ||
10329 | r = completion->get_return_value(); | |
10330 | if (r < 0) { | |
10331 | set_cancelled(r); /* mark it as cancelled, so that we don't continue processing next operations */ | |
10332 | return r; | |
10333 | } | |
10334 | ||
10335 | total_read += r; | |
10336 | ||
10337 | map<off_t, get_obj_io>::iterator old_liter = liter++; | |
10338 | bl_list.push_back(old_liter->second.bl); | |
10339 | io_map.erase(old_liter); | |
10340 | } | |
10341 | ||
10342 | return 0; | |
10343 | } | |
10344 | }; | |
10345 | ||
10346 | 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) | |
10347 | { | |
10348 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
10349 | ||
10350 | return d->rados->get_obj_iterate_cb(d->ctx, astate, bucket_info, obj, read_obj, obj_ofs, read_ofs, len, is_head_obj, arg); | |
10351 | } | |
10352 | ||
10353 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg) | |
10354 | { | |
10355 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
10356 | struct get_obj_data *d = aio_data->op_data; | |
10357 | ||
10358 | d->rados->get_obj_aio_completion_cb(cb, arg); | |
10359 | } | |
10360 | ||
10361 | ||
10362 | void RGWRados::get_obj_aio_completion_cb(completion_t c, void *arg) | |
10363 | { | |
10364 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
10365 | struct get_obj_data *d = aio_data->op_data; | |
10366 | off_t ofs = aio_data->ofs; | |
10367 | off_t len = aio_data->len; | |
10368 | ||
10369 | list<bufferlist> bl_list; | |
10370 | list<bufferlist>::iterator iter; | |
10371 | int r; | |
10372 | ||
10373 | ldout(cct, 20) << "get_obj_aio_completion_cb: io completion ofs=" << ofs << " len=" << len << dendl; | |
10374 | d->throttle.put(len); | |
10375 | ||
10376 | r = rados_aio_get_return_value(c); | |
10377 | if (r < 0) { | |
10378 | ldout(cct, 0) << "ERROR: got unexpected error when trying to read object: " << r << dendl; | |
10379 | d->set_cancelled(r); | |
10380 | goto done; | |
10381 | } | |
10382 | ||
10383 | if (d->is_cancelled()) { | |
10384 | goto done; | |
10385 | } | |
10386 | ||
10387 | d->data_lock.Lock(); | |
10388 | ||
10389 | r = d->get_complete_ios(ofs, bl_list); | |
10390 | if (r < 0) { | |
10391 | goto done_unlock; | |
10392 | } | |
10393 | ||
10394 | d->read_list.splice(d->read_list.end(), bl_list); | |
10395 | ||
10396 | done_unlock: | |
10397 | d->data_lock.Unlock(); | |
10398 | done: | |
10399 | d->put(); | |
10400 | return; | |
10401 | } | |
10402 | ||
10403 | int RGWRados::flush_read_list(struct get_obj_data *d) | |
10404 | { | |
10405 | d->data_lock.Lock(); | |
10406 | list<bufferlist> l; | |
10407 | l.swap(d->read_list); | |
10408 | d->get(); | |
10409 | d->read_list.clear(); | |
10410 | ||
10411 | d->data_lock.Unlock(); | |
10412 | ||
10413 | int r = 0; | |
10414 | ||
10415 | list<bufferlist>::iterator iter; | |
10416 | for (iter = l.begin(); iter != l.end(); ++iter) { | |
10417 | bufferlist& bl = *iter; | |
10418 | r = d->client_cb->handle_data(bl, 0, bl.length()); | |
10419 | if (r < 0) { | |
10420 | dout(0) << "ERROR: flush_read_list(): d->client_cb->handle_data() returned " << r << dendl; | |
10421 | break; | |
10422 | } | |
10423 | } | |
10424 | ||
10425 | d->data_lock.Lock(); | |
10426 | d->put(); | |
10427 | if (r < 0) { | |
10428 | d->set_cancelled(r); | |
10429 | } | |
10430 | d->data_lock.Unlock(); | |
10431 | return r; | |
10432 | } | |
10433 | ||
10434 | int RGWRados::get_obj_iterate_cb(RGWObjectCtx *ctx, RGWObjState *astate, | |
10435 | const RGWBucketInfo& bucket_info, | |
10436 | const rgw_obj& obj, | |
10437 | const rgw_raw_obj& read_obj, | |
10438 | off_t obj_ofs, | |
10439 | off_t read_ofs, off_t len, | |
10440 | bool is_head_obj, void *arg) | |
10441 | { | |
10442 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
10443 | ObjectReadOperation op; | |
10444 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
10445 | string oid, key; | |
10446 | bufferlist *pbl; | |
10447 | AioCompletion *c; | |
10448 | ||
10449 | int r; | |
10450 | ||
10451 | if (is_head_obj) { | |
10452 | /* only when reading from the head object do we need to do the atomic test */ | |
10453 | r = append_atomic_test(rctx, bucket_info, obj, op, &astate); | |
10454 | if (r < 0) | |
10455 | return r; | |
10456 | ||
10457 | if (astate && | |
10458 | obj_ofs < astate->data.length()) { | |
10459 | unsigned chunk_len = min((uint64_t)astate->data.length() - obj_ofs, (uint64_t)len); | |
10460 | ||
10461 | d->data_lock.Lock(); | |
10462 | r = d->client_cb->handle_data(astate->data, obj_ofs, chunk_len); | |
10463 | d->data_lock.Unlock(); | |
10464 | if (r < 0) | |
10465 | return r; | |
10466 | ||
10467 | d->lock.Lock(); | |
10468 | d->total_read += chunk_len; | |
10469 | d->lock.Unlock(); | |
10470 | ||
10471 | len -= chunk_len; | |
10472 | read_ofs += chunk_len; | |
10473 | obj_ofs += chunk_len; | |
10474 | if (!len) | |
10475 | return 0; | |
10476 | } | |
10477 | } | |
10478 | ||
10479 | d->throttle.get(len); | |
10480 | if (d->is_cancelled()) { | |
10481 | return d->get_err_code(); | |
10482 | } | |
10483 | ||
10484 | /* add io after we check that we're not cancelled, otherwise we're going to have trouble | |
10485 | * cleaning up | |
10486 | */ | |
10487 | d->add_io(obj_ofs, len, &pbl, &c); | |
10488 | ||
10489 | ldout(cct, 20) << "rados->get_obj_iterate_cb oid=" << read_obj.oid << " obj-ofs=" << obj_ofs << " read_ofs=" << read_ofs << " len=" << len << dendl; | |
10490 | op.read(read_ofs, len, pbl, NULL); | |
10491 | ||
10492 | librados::IoCtx io_ctx(d->io_ctx); | |
10493 | io_ctx.locator_set_key(read_obj.loc); | |
10494 | ||
10495 | r = io_ctx.aio_operate(read_obj.oid, c, &op, NULL); | |
10496 | if (r < 0) { | |
10497 | ldout(cct, 0) << "rados->aio_operate r=" << r << dendl; | |
10498 | goto done_err; | |
10499 | } | |
10500 | ||
10501 | // Flush data to client if there is any | |
10502 | r = flush_read_list(d); | |
10503 | if (r < 0) | |
10504 | return r; | |
10505 | ||
10506 | return 0; | |
10507 | ||
10508 | done_err: | |
10509 | ldout(cct, 20) << "cancelling io r=" << r << " obj_ofs=" << obj_ofs << dendl; | |
10510 | d->set_cancelled(r); | |
10511 | d->cancel_io(obj_ofs); | |
10512 | ||
10513 | return r; | |
10514 | } | |
10515 | ||
10516 | int RGWRados::Object::Read::iterate(int64_t ofs, int64_t end, RGWGetDataCB *cb) | |
10517 | { | |
10518 | RGWRados *store = source->get_store(); | |
10519 | CephContext *cct = store->ctx(); | |
10520 | ||
10521 | struct get_obj_data *data = new get_obj_data(cct); | |
10522 | bool done = false; | |
10523 | ||
10524 | RGWObjectCtx& obj_ctx = source->get_ctx(); | |
10525 | ||
10526 | data->rados = store; | |
10527 | data->io_ctx.dup(state.io_ctx); | |
10528 | data->client_cb = cb; | |
10529 | ||
10530 | 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); | |
10531 | if (r < 0) { | |
10532 | data->cancel_all_io(); | |
10533 | goto done; | |
10534 | } | |
10535 | ||
10536 | while (!done) { | |
10537 | r = data->wait_next_io(&done); | |
10538 | if (r < 0) { | |
10539 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10540 | data->cancel_all_io(); | |
10541 | break; | |
10542 | } | |
10543 | r = store->flush_read_list(data); | |
10544 | if (r < 0) { | |
10545 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10546 | data->cancel_all_io(); | |
10547 | break; | |
10548 | } | |
10549 | } | |
10550 | ||
10551 | done: | |
10552 | data->put(); | |
10553 | return r; | |
10554 | } | |
10555 | ||
10556 | int RGWRados::iterate_obj(RGWObjectCtx& obj_ctx, | |
10557 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
10558 | off_t ofs, off_t end, | |
10559 | uint64_t max_chunk_size, | |
10560 | int (*iterate_obj_cb)(const RGWBucketInfo&, const rgw_obj& obj, | |
10561 | const rgw_raw_obj&, off_t, off_t, off_t, bool, | |
10562 | RGWObjState *, void *), | |
10563 | void *arg) | |
10564 | { | |
10565 | rgw_raw_obj head_obj; | |
10566 | rgw_raw_obj read_obj; | |
10567 | uint64_t read_ofs = ofs; | |
10568 | uint64_t len; | |
10569 | bool reading_from_head = true; | |
10570 | RGWObjState *astate = NULL; | |
10571 | ||
10572 | obj_to_raw(bucket_info.placement_rule, obj, &head_obj); | |
10573 | ||
10574 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &astate, false); | |
10575 | if (r < 0) { | |
10576 | return r; | |
10577 | } | |
10578 | ||
10579 | if (end < 0) | |
10580 | len = 0; | |
10581 | else | |
10582 | len = end - ofs + 1; | |
10583 | ||
10584 | if (astate->has_manifest) { | |
10585 | /* now get the relevant object stripe */ | |
10586 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
10587 | ||
10588 | RGWObjManifest::obj_iterator obj_end = astate->manifest.obj_end(); | |
10589 | ||
10590 | for (; iter != obj_end && ofs <= end; ++iter) { | |
10591 | off_t stripe_ofs = iter.get_stripe_ofs(); | |
10592 | off_t next_stripe_ofs = stripe_ofs + iter.get_stripe_size(); | |
10593 | ||
10594 | while (ofs < next_stripe_ofs && ofs <= end) { | |
10595 | read_obj = iter.get_location().get_raw_obj(this); | |
10596 | uint64_t read_len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
10597 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
10598 | ||
10599 | if (read_len > max_chunk_size) { | |
10600 | read_len = max_chunk_size; | |
10601 | } | |
10602 | ||
10603 | reading_from_head = (read_obj == head_obj); | |
10604 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, read_ofs, read_len, reading_from_head, astate, arg); | |
10605 | if (r < 0) { | |
10606 | return r; | |
10607 | } | |
10608 | ||
10609 | len -= read_len; | |
10610 | ofs += read_len; | |
10611 | } | |
10612 | } | |
10613 | } else { | |
10614 | while (ofs <= end) { | |
10615 | read_obj = head_obj; | |
10616 | uint64_t read_len = min(len, max_chunk_size); | |
10617 | ||
10618 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, ofs, read_len, reading_from_head, astate, arg); | |
10619 | if (r < 0) { | |
10620 | return r; | |
10621 | } | |
10622 | ||
10623 | len -= read_len; | |
10624 | ofs += read_len; | |
10625 | } | |
10626 | } | |
10627 | ||
10628 | return 0; | |
10629 | } | |
10630 | ||
10631 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectWriteOperation *op) | |
10632 | { | |
10633 | rgw_rados_ref ref; | |
10634 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10635 | if (r < 0) { | |
10636 | return r; | |
10637 | } | |
10638 | ||
10639 | return ref.ioctx.operate(ref.oid, op); | |
10640 | } | |
10641 | ||
10642 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectReadOperation *op) | |
10643 | { | |
10644 | rgw_rados_ref ref; | |
10645 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10646 | if (r < 0) { | |
10647 | return r; | |
10648 | } | |
10649 | ||
10650 | bufferlist outbl; | |
10651 | ||
10652 | return ref.ioctx.operate(ref.oid, op, &outbl); | |
10653 | } | |
10654 | ||
10655 | int RGWRados::olh_init_modification_impl(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, string *op_tag) | |
10656 | { | |
10657 | ObjectWriteOperation op; | |
10658 | ||
10659 | assert(olh_obj.key.instance.empty()); | |
10660 | ||
10661 | bool has_tag = (state.exists && has_olh_tag(state.attrset)); | |
10662 | ||
10663 | if (!state.exists) { | |
10664 | op.create(true); | |
10665 | } else { | |
10666 | op.assert_exists(); | |
10667 | } | |
10668 | ||
10669 | /* | |
10670 | * 3 possible cases: olh object doesn't exist, it exists as an olh, it exists as a regular object. | |
10671 | * If it exists as a regular object we'll need to transform it into an olh. We'll do it in two | |
10672 | * steps, first change its tag and set the olh pending attrs. Once write is done we'll need to | |
10673 | * truncate it, remove extra attrs, and send it to the garbage collection. The bucket index olh | |
10674 | * log will reflect that. | |
10675 | * | |
10676 | * Need to generate separate olh and obj tags, as olh can be colocated with object data. obj_tag | |
10677 | * is used for object data instance, olh_tag for olh instance. | |
10678 | */ | |
10679 | if (has_tag) { | |
10680 | /* guard against racing writes */ | |
10681 | bucket_index_guard_olh_op(state, op); | |
10682 | } | |
10683 | ||
10684 | if (!has_tag) { | |
10685 | /* obj tag */ | |
10686 | string obj_tag; | |
10687 | int ret = gen_rand_alphanumeric_lower(cct, &obj_tag, 32); | |
10688 | if (ret < 0) { | |
10689 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10690 | return ret; | |
10691 | } | |
10692 | bufferlist bl; | |
10693 | bl.append(obj_tag.c_str(), obj_tag.size()); | |
10694 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
10695 | ||
10696 | state.attrset[RGW_ATTR_ID_TAG] = bl; | |
10697 | state.obj_tag = bl; | |
10698 | ||
10699 | /* olh tag */ | |
10700 | string olh_tag; | |
10701 | ret = gen_rand_alphanumeric_lower(cct, &olh_tag, 32); | |
10702 | if (ret < 0) { | |
10703 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10704 | return ret; | |
10705 | } | |
10706 | bufferlist olh_bl; | |
10707 | olh_bl.append(olh_tag.c_str(), olh_tag.size()); | |
10708 | op.setxattr(RGW_ATTR_OLH_ID_TAG, olh_bl); | |
10709 | ||
10710 | state.attrset[RGW_ATTR_OLH_ID_TAG] = olh_bl; | |
10711 | state.olh_tag = olh_bl; | |
10712 | state.is_olh = true; | |
10713 | ||
10714 | bufferlist verbl; | |
10715 | op.setxattr(RGW_ATTR_OLH_VER, verbl); | |
10716 | } | |
10717 | ||
10718 | bufferlist bl; | |
10719 | RGWOLHPendingInfo pending_info; | |
10720 | pending_info.time = real_clock::now(); | |
10721 | ::encode(pending_info, bl); | |
10722 | ||
10723 | #define OLH_PENDING_TAG_LEN 32 | |
10724 | /* tag will start with current time epoch, this so that entries are sorted by time */ | |
10725 | char buf[32]; | |
10726 | utime_t ut(pending_info.time); | |
10727 | snprintf(buf, sizeof(buf), "%016llx", (unsigned long long)ut.sec()); | |
10728 | *op_tag = buf; | |
10729 | ||
10730 | string s; | |
10731 | int ret = gen_rand_alphanumeric_lower(cct, &s, OLH_PENDING_TAG_LEN - op_tag->size()); | |
10732 | if (ret < 0) { | |
10733 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10734 | return ret; | |
10735 | } | |
10736 | op_tag->append(s); | |
10737 | ||
10738 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
10739 | attr_name.append(*op_tag); | |
10740 | ||
10741 | op.setxattr(attr_name.c_str(), bl); | |
10742 | ||
10743 | ret = obj_operate(bucket_info, olh_obj, &op); | |
10744 | if (ret < 0) { | |
10745 | return ret; | |
10746 | } | |
10747 | ||
10748 | state.exists = true; | |
10749 | state.attrset[attr_name] = bl; | |
10750 | ||
10751 | return 0; | |
10752 | } | |
10753 | ||
10754 | int RGWRados::olh_init_modification(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj, string *op_tag) | |
10755 | { | |
10756 | int ret; | |
10757 | ||
10758 | ret = olh_init_modification_impl(bucket_info, state, obj, op_tag); | |
10759 | if (ret == -EEXIST) { | |
10760 | ret = -ECANCELED; | |
10761 | } | |
10762 | ||
10763 | return ret; | |
10764 | } | |
10765 | ||
31f18b77 FG |
10766 | int RGWRados::guard_reshard(BucketShard *bs, const rgw_obj& obj_instance, std::function<int(BucketShard *)> call) |
10767 | { | |
10768 | rgw_obj obj; | |
10769 | const rgw_obj *pobj = &obj_instance; | |
10770 | int r; | |
10771 | ||
10772 | for (int i = 0; i < NUM_RESHARD_RETRIES; ++i) { | |
10773 | r = bs->init(pobj->bucket, *pobj); | |
10774 | if (r < 0) { | |
10775 | ldout(cct, 5) << "bs.init() returned ret=" << r << dendl; | |
10776 | return r; | |
10777 | } | |
10778 | r = call(bs); | |
10779 | if (r != -ERR_BUSY_RESHARDING) { | |
10780 | break; | |
10781 | } | |
10782 | ldout(cct, 0) << "NOTICE: resharding operation on bucket index detected, blocking" << dendl; | |
10783 | string new_bucket_id; | |
10784 | r = block_while_resharding(bs, &new_bucket_id); | |
10785 | if (r == -ERR_BUSY_RESHARDING) { | |
10786 | continue; | |
10787 | } | |
10788 | if (r < 0) { | |
10789 | return r; | |
10790 | } | |
10791 | ldout(cct, 20) << "reshard completion identified, new_bucket_id=" << new_bucket_id << dendl; | |
10792 | i = 0; /* resharding is finished, make sure we can retry */ | |
10793 | ||
10794 | obj = *pobj; | |
10795 | obj.bucket.update_bucket_id(new_bucket_id); | |
10796 | pobj = &obj; | |
10797 | } | |
10798 | ||
10799 | if (r < 0) { | |
10800 | return r; | |
10801 | } | |
10802 | ||
10803 | return 0; | |
10804 | } | |
10805 | ||
10806 | int RGWRados::block_while_resharding(RGWRados::BucketShard *bs, string *new_bucket_id) | |
10807 | { | |
10808 | std::shared_ptr<RGWReshardWait> waiter = reshard_wait; | |
10809 | ||
10810 | return waiter->block_while_resharding(bs, new_bucket_id); | |
10811 | } | |
10812 | ||
7c673cae FG |
10813 | int RGWRados::bucket_index_link_olh(const RGWBucketInfo& bucket_info, RGWObjState& olh_state, const rgw_obj& obj_instance, |
10814 | bool delete_marker, | |
10815 | const string& op_tag, | |
10816 | struct rgw_bucket_dir_entry_meta *meta, | |
10817 | uint64_t olh_epoch, | |
31f18b77 | 10818 | real_time unmod_since, bool high_precision_time, rgw_zone_set *_zones_trace) |
7c673cae FG |
10819 | { |
10820 | rgw_rados_ref ref; | |
10821 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10822 | if (r < 0) { | |
10823 | return r; | |
10824 | } | |
10825 | ||
31f18b77 FG |
10826 | rgw_zone_set zones_trace; |
10827 | if (_zones_trace) { | |
10828 | zones_trace = *_zones_trace; | |
10829 | } else { | |
10830 | zones_trace.insert(get_zone().id); | |
7c673cae FG |
10831 | } |
10832 | ||
31f18b77 FG |
10833 | BucketShard bs(this); |
10834 | ||
7c673cae | 10835 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); |
31f18b77 FG |
10836 | r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10837 | librados::ObjectWriteOperation op; | |
10838 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10839 | return cls_rgw_bucket_link_olh(bs->index_ctx, op, | |
10840 | bs->bucket_obj, key, olh_state.olh_tag, delete_marker, op_tag, meta, olh_epoch, | |
10841 | unmod_since, high_precision_time, | |
10842 | get_zone().log_data, zones_trace); | |
10843 | }); | |
10844 | if (r < 0) { | |
10845 | ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl; | |
10846 | return r; | |
7c673cae FG |
10847 | } |
10848 | ||
10849 | return 0; | |
10850 | } | |
10851 | ||
10852 | void RGWRados::bucket_index_guard_olh_op(RGWObjState& olh_state, ObjectOperation& op) | |
10853 | { | |
10854 | ldout(cct, 20) << __func__ << "(): olh_state.olh_tag=" << string(olh_state.olh_tag.c_str(), olh_state.olh_tag.length()) << dendl; | |
10855 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_state.olh_tag); | |
10856 | } | |
10857 | ||
10858 | int RGWRados::bucket_index_unlink_instance(const RGWBucketInfo& bucket_info, const rgw_obj& obj_instance, | |
31f18b77 | 10859 | const string& op_tag, const string& olh_tag, uint64_t olh_epoch, rgw_zone_set *_zones_trace) |
7c673cae FG |
10860 | { |
10861 | rgw_rados_ref ref; | |
10862 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10863 | if (r < 0) { | |
10864 | return r; | |
10865 | } | |
10866 | ||
31f18b77 FG |
10867 | rgw_zone_set zones_trace; |
10868 | if (_zones_trace) { | |
10869 | zones_trace = *_zones_trace; | |
7c673cae | 10870 | } |
31f18b77 FG |
10871 | zones_trace.insert(get_zone().id); |
10872 | ||
10873 | BucketShard bs(this); | |
7c673cae FG |
10874 | |
10875 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); | |
31f18b77 FG |
10876 | r = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10877 | librados::ObjectWriteOperation op; | |
10878 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10879 | return cls_rgw_bucket_unlink_instance(bs->index_ctx, op, bs->bucket_obj, key, op_tag, | |
10880 | olh_tag, olh_epoch, get_zone().log_data, zones_trace); | |
10881 | }); | |
10882 | if (r < 0) { | |
10883 | ldout(cct, 20) << "cls_rgw_bucket_link_olh() returned r=" << r << dendl; | |
10884 | return r; | |
7c673cae FG |
10885 | } |
10886 | ||
10887 | return 0; | |
10888 | } | |
10889 | ||
10890 | int RGWRados::bucket_index_read_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, | |
10891 | const rgw_obj& obj_instance, uint64_t ver_marker, | |
10892 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > *log, | |
10893 | bool *is_truncated) | |
10894 | { | |
10895 | rgw_rados_ref ref; | |
10896 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10897 | if (r < 0) { | |
10898 | return r; | |
10899 | } | |
10900 | ||
10901 | BucketShard bs(this); | |
10902 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10903 | if (ret < 0) { | |
10904 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10905 | return ret; | |
10906 | } | |
10907 | ||
10908 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10909 | ||
10910 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10911 | ||
31f18b77 FG |
10912 | ret = guard_reshard(&bs, obj_instance, [&](BucketShard *bs) -> int { |
10913 | ObjectReadOperation op; | |
10914 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10915 | return cls_rgw_get_olh_log(bs->index_ctx, bs->bucket_obj, op, | |
10916 | key, ver_marker, olh_tag, log, is_truncated); | |
10917 | }); | |
10918 | if (ret < 0) { | |
10919 | ldout(cct, 20) << "cls_rgw_get_olh_log() returned r=" << r << dendl; | |
7c673cae | 10920 | return ret; |
31f18b77 | 10921 | } |
7c673cae FG |
10922 | |
10923 | return 0; | |
10924 | } | |
10925 | ||
10926 | int RGWRados::bucket_index_trim_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance, uint64_t ver) | |
10927 | { | |
10928 | rgw_rados_ref ref; | |
10929 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10930 | if (r < 0) { | |
10931 | return r; | |
10932 | } | |
10933 | ||
10934 | BucketShard bs(this); | |
10935 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10936 | if (ret < 0) { | |
10937 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10938 | return ret; | |
10939 | } | |
10940 | ||
10941 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10942 | ||
10943 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10944 | ||
31f18b77 FG |
10945 | ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int { |
10946 | ObjectWriteOperation op; | |
10947 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10948 | cls_rgw_trim_olh_log(op, key, ver, olh_tag); | |
10949 | return pbs->index_ctx.operate(pbs->bucket_obj, &op); | |
10950 | }); | |
10951 | if (ret < 0) { | |
10952 | ldout(cct, 20) << "cls_rgw_trim_olh_log() returned r=" << ret << dendl; | |
7c673cae | 10953 | return ret; |
31f18b77 | 10954 | } |
7c673cae FG |
10955 | |
10956 | return 0; | |
10957 | } | |
10958 | ||
10959 | int RGWRados::bucket_index_clear_olh(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance) | |
10960 | { | |
10961 | rgw_rados_ref ref; | |
10962 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10963 | if (r < 0) { | |
10964 | return r; | |
10965 | } | |
10966 | ||
10967 | BucketShard bs(this); | |
7c673cae FG |
10968 | |
10969 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10970 | ||
10971 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10972 | ||
31f18b77 FG |
10973 | int ret = guard_reshard(&bs, obj_instance, [&](BucketShard *pbs) -> int { |
10974 | ObjectWriteOperation op; | |
10975 | cls_rgw_guard_bucket_resharding(op, -ERR_BUSY_RESHARDING); | |
10976 | return cls_rgw_clear_olh(pbs->index_ctx, op, pbs->bucket_obj, key, olh_tag); | |
10977 | }); | |
7c673cae FG |
10978 | if (ret < 0) { |
10979 | ldout(cct, 5) << "cls_rgw_clear_olh() returned ret=" << ret << dendl; | |
10980 | return ret; | |
10981 | } | |
10982 | ||
10983 | return 0; | |
10984 | } | |
10985 | ||
10986 | int RGWRados::apply_olh_log(RGWObjectCtx& obj_ctx, RGWObjState& state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
10987 | bufferlist& olh_tag, map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log, | |
31f18b77 | 10988 | uint64_t *plast_ver, rgw_zone_set* zones_trace) |
7c673cae FG |
10989 | { |
10990 | if (log.empty()) { | |
10991 | return 0; | |
10992 | } | |
10993 | ||
10994 | librados::ObjectWriteOperation op; | |
10995 | ||
10996 | uint64_t last_ver = log.rbegin()->first; | |
10997 | *plast_ver = last_ver; | |
10998 | ||
10999 | map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator iter = log.begin(); | |
11000 | ||
11001 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
11002 | op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
11003 | ||
11004 | bool need_to_link = false; | |
11005 | cls_rgw_obj_key key; | |
11006 | bool delete_marker = false; | |
11007 | list<cls_rgw_obj_key> remove_instances; | |
11008 | bool need_to_remove = false; | |
11009 | ||
11010 | for (iter = log.begin(); iter != log.end(); ++iter) { | |
11011 | vector<rgw_bucket_olh_log_entry>::iterator viter = iter->second.begin(); | |
11012 | for (; viter != iter->second.end(); ++viter) { | |
11013 | rgw_bucket_olh_log_entry& entry = *viter; | |
11014 | ||
11015 | ldout(cct, 20) << "olh_log_entry: op=" << (int)entry.op | |
11016 | << " key=" << entry.key.name << "[" << entry.key.instance << "] " | |
11017 | << (entry.delete_marker ? "(delete)" : "") << dendl; | |
11018 | switch (entry.op) { | |
11019 | case CLS_RGW_OLH_OP_REMOVE_INSTANCE: | |
11020 | remove_instances.push_back(entry.key); | |
11021 | break; | |
11022 | case CLS_RGW_OLH_OP_LINK_OLH: | |
11023 | need_to_link = true; | |
11024 | need_to_remove = false; | |
11025 | key = entry.key; | |
11026 | delete_marker = entry.delete_marker; | |
11027 | break; | |
11028 | case CLS_RGW_OLH_OP_UNLINK_OLH: | |
11029 | need_to_remove = true; | |
11030 | need_to_link = false; | |
11031 | break; | |
11032 | default: | |
11033 | ldout(cct, 0) << "ERROR: apply_olh_log: invalid op: " << (int)entry.op << dendl; | |
11034 | return -EIO; | |
11035 | } | |
11036 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
11037 | attr_name.append(entry.op_tag); | |
11038 | op.rmxattr(attr_name.c_str()); | |
11039 | } | |
11040 | } | |
11041 | ||
11042 | rgw_rados_ref ref; | |
11043 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
11044 | if (r < 0) { | |
11045 | return r; | |
11046 | } | |
11047 | ||
11048 | const rgw_bucket& bucket = obj.bucket; | |
11049 | ||
11050 | if (need_to_link) { | |
11051 | rgw_obj target(bucket, key); | |
11052 | RGWOLHInfo info; | |
11053 | info.target = target; | |
11054 | info.removed = delete_marker; | |
11055 | bufferlist bl; | |
11056 | ::encode(info, bl); | |
11057 | op.setxattr(RGW_ATTR_OLH_INFO, bl); | |
11058 | } | |
11059 | ||
11060 | /* first remove object instances */ | |
11061 | for (list<cls_rgw_obj_key>::iterator liter = remove_instances.begin(); | |
11062 | liter != remove_instances.end(); ++liter) { | |
11063 | cls_rgw_obj_key& key = *liter; | |
11064 | rgw_obj obj_instance(bucket, key); | |
31f18b77 | 11065 | int ret = delete_obj(obj_ctx, bucket_info, obj_instance, 0, RGW_BILOG_FLAG_VERSIONED_OP, ceph::real_time(), zones_trace); |
7c673cae FG |
11066 | if (ret < 0 && ret != -ENOENT) { |
11067 | ldout(cct, 0) << "ERROR: delete_obj() returned " << ret << " obj_instance=" << obj_instance << dendl; | |
11068 | return ret; | |
11069 | } | |
11070 | } | |
11071 | ||
11072 | /* update olh object */ | |
11073 | r = ref.ioctx.operate(ref.oid, &op); | |
11074 | if (r == -ECANCELED) { | |
11075 | r = 0; | |
11076 | } | |
11077 | if (r < 0) { | |
11078 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
11079 | return r; | |
11080 | } | |
11081 | ||
11082 | r = bucket_index_trim_olh_log(bucket_info, state, obj, last_ver); | |
11083 | if (r < 0) { | |
11084 | ldout(cct, 0) << "ERROR: could not trim olh log, r=" << r << dendl; | |
11085 | return r; | |
11086 | } | |
11087 | ||
11088 | if (need_to_remove) { | |
11089 | ObjectWriteOperation rm_op; | |
11090 | ||
11091 | rm_op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
11092 | rm_op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
11093 | cls_obj_check_prefix_exist(rm_op, RGW_ATTR_OLH_PENDING_PREFIX, true); /* fail if found one of these, pending modification */ | |
11094 | rm_op.remove(); | |
11095 | ||
11096 | r = ref.ioctx.operate(ref.oid, &rm_op); | |
11097 | if (r == -ECANCELED) { | |
11098 | return 0; /* someone else won this race */ | |
11099 | } else { | |
11100 | /* | |
11101 | * only clear if was successful, otherwise we might clobber pending operations on this object | |
11102 | */ | |
11103 | r = bucket_index_clear_olh(bucket_info, state, obj); | |
11104 | if (r < 0) { | |
11105 | ldout(cct, 0) << "ERROR: could not clear bucket index olh entries r=" << r << dendl; | |
11106 | return r; | |
11107 | } | |
11108 | } | |
11109 | } | |
11110 | ||
11111 | return 0; | |
11112 | } | |
11113 | ||
11114 | /* | |
11115 | * read olh log and apply it | |
11116 | */ | |
31f18b77 | 11117 | int RGWRados::update_olh(RGWObjectCtx& obj_ctx, RGWObjState *state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_zone_set *zones_trace) |
7c673cae FG |
11118 | { |
11119 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > log; | |
11120 | bool is_truncated; | |
11121 | uint64_t ver_marker = 0; | |
11122 | ||
11123 | do { | |
11124 | int ret = bucket_index_read_olh_log(bucket_info, *state, obj, ver_marker, &log, &is_truncated); | |
11125 | if (ret < 0) { | |
11126 | return ret; | |
11127 | } | |
31f18b77 | 11128 | ret = apply_olh_log(obj_ctx, *state, bucket_info, obj, state->olh_tag, log, &ver_marker, zones_trace); |
7c673cae FG |
11129 | if (ret < 0) { |
11130 | return ret; | |
11131 | } | |
11132 | } while (is_truncated); | |
11133 | ||
11134 | return 0; | |
11135 | } | |
11136 | ||
11137 | 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 | 11138 | uint64_t olh_epoch, real_time unmod_since, bool high_precision_time, rgw_zone_set *zones_trace) |
7c673cae FG |
11139 | { |
11140 | string op_tag; | |
11141 | ||
11142 | rgw_obj olh_obj = target_obj; | |
11143 | olh_obj.key.instance.clear(); | |
11144 | ||
11145 | RGWObjState *state = NULL; | |
11146 | ||
11147 | int ret = 0; | |
11148 | int i; | |
31f18b77 | 11149 | |
7c673cae FG |
11150 | #define MAX_ECANCELED_RETRY 100 |
11151 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
11152 | if (ret == -ECANCELED) { | |
11153 | obj_ctx.obj.invalidate(olh_obj); | |
11154 | } | |
11155 | ||
11156 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
11157 | if (ret < 0) { | |
11158 | return ret; | |
11159 | } | |
11160 | ||
11161 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
11162 | if (ret < 0) { | |
11163 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
11164 | if (ret == -ECANCELED) { | |
11165 | continue; | |
11166 | } | |
11167 | return ret; | |
11168 | } | |
31f18b77 | 11169 | 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 |
11170 | if (ret < 0) { |
11171 | ldout(cct, 20) << "bucket_index_link_olh() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
11172 | if (ret == -ECANCELED) { | |
11173 | continue; | |
11174 | } | |
11175 | return ret; | |
11176 | } | |
11177 | break; | |
11178 | } | |
11179 | ||
11180 | if (i == MAX_ECANCELED_RETRY) { | |
11181 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
11182 | return -EIO; | |
11183 | } | |
11184 | ||
11185 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
11186 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ | |
11187 | ret = 0; | |
11188 | } | |
11189 | if (ret < 0) { | |
11190 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
11191 | return ret; | |
11192 | } | |
11193 | ||
11194 | return 0; | |
11195 | } | |
11196 | ||
11197 | int RGWRados::unlink_obj_instance(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, | |
31f18b77 | 11198 | uint64_t olh_epoch, rgw_zone_set *zones_trace) |
7c673cae FG |
11199 | { |
11200 | string op_tag; | |
11201 | ||
11202 | rgw_obj olh_obj = target_obj; | |
11203 | olh_obj.key.instance.clear(); | |
11204 | ||
11205 | RGWObjState *state = NULL; | |
11206 | ||
11207 | int ret = 0; | |
11208 | int i; | |
11209 | ||
11210 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
11211 | if (ret == -ECANCELED) { | |
11212 | obj_ctx.obj.invalidate(olh_obj); | |
11213 | } | |
11214 | ||
11215 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
11216 | if (ret < 0) | |
11217 | return ret; | |
11218 | ||
11219 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
11220 | if (ret < 0) { | |
11221 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " returned " << ret << dendl; | |
11222 | if (ret == -ECANCELED) { | |
11223 | continue; | |
11224 | } | |
11225 | return ret; | |
11226 | } | |
11227 | ||
11228 | string olh_tag(state->olh_tag.c_str(), state->olh_tag.length()); | |
11229 | ||
31f18b77 | 11230 | ret = bucket_index_unlink_instance(bucket_info, target_obj, op_tag, olh_tag, olh_epoch, zones_trace); |
7c673cae FG |
11231 | if (ret < 0) { |
11232 | ldout(cct, 20) << "bucket_index_unlink_instance() target_obj=" << target_obj << " returned " << ret << dendl; | |
11233 | if (ret == -ECANCELED) { | |
11234 | continue; | |
11235 | } | |
11236 | return ret; | |
11237 | } | |
11238 | break; | |
11239 | } | |
11240 | ||
11241 | if (i == MAX_ECANCELED_RETRY) { | |
11242 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
11243 | return -EIO; | |
11244 | } | |
11245 | ||
31f18b77 | 11246 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj, zones_trace); |
7c673cae FG |
11247 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ |
11248 | return 0; | |
11249 | } | |
11250 | if (ret < 0) { | |
11251 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
11252 | return ret; | |
11253 | } | |
11254 | ||
11255 | return 0; | |
11256 | } | |
11257 | ||
11258 | void RGWRados::gen_rand_obj_instance_name(rgw_obj *target_obj) | |
11259 | { | |
11260 | #define OBJ_INSTANCE_LEN 32 | |
11261 | char buf[OBJ_INSTANCE_LEN + 1]; | |
11262 | ||
11263 | gen_rand_alphanumeric_no_underscore(cct, buf, OBJ_INSTANCE_LEN); /* don't want it to get url escaped, | |
11264 | no underscore for instance name due to the way we encode the raw keys */ | |
11265 | ||
11266 | target_obj->key.set_instance(buf); | |
11267 | } | |
11268 | ||
11269 | static void filter_attrset(map<string, bufferlist>& unfiltered_attrset, const string& check_prefix, | |
11270 | map<string, bufferlist> *attrset) | |
11271 | { | |
11272 | attrset->clear(); | |
11273 | map<string, bufferlist>::iterator iter; | |
11274 | for (iter = unfiltered_attrset.lower_bound(check_prefix); | |
11275 | iter != unfiltered_attrset.end(); ++iter) { | |
11276 | if (!boost::algorithm::starts_with(iter->first, check_prefix)) | |
11277 | break; | |
11278 | (*attrset)[iter->first] = iter->second; | |
11279 | } | |
11280 | } | |
11281 | ||
11282 | int RGWRados::get_olh(const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWOLHInfo *olh) | |
11283 | { | |
11284 | map<string, bufferlist> unfiltered_attrset; | |
11285 | ||
11286 | ObjectReadOperation op; | |
11287 | op.getxattrs(&unfiltered_attrset, NULL); | |
11288 | ||
11289 | bufferlist outbl; | |
11290 | int r = obj_operate(bucket_info, obj, &op); | |
11291 | ||
11292 | if (r < 0) { | |
11293 | return r; | |
11294 | } | |
11295 | map<string, bufferlist> attrset; | |
11296 | ||
11297 | filter_attrset(unfiltered_attrset, RGW_ATTR_OLH_PREFIX, &attrset); | |
11298 | ||
11299 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_OLH_INFO); | |
11300 | if (iter == attrset.end()) { /* not an olh */ | |
11301 | return -EINVAL; | |
11302 | } | |
11303 | ||
11304 | try { | |
11305 | bufferlist::iterator biter = iter->second.begin(); | |
11306 | ::decode(*olh, biter); | |
11307 | } catch (buffer::error& err) { | |
11308 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
11309 | return -EIO; | |
11310 | } | |
11311 | ||
11312 | return 0; | |
11313 | } | |
11314 | ||
11315 | void RGWRados::check_pending_olh_entries(map<string, bufferlist>& pending_entries, | |
11316 | map<string, bufferlist> *rm_pending_entries) | |
11317 | { | |
11318 | map<string, bufferlist>::iterator iter = pending_entries.begin(); | |
11319 | ||
11320 | real_time now = real_clock::now(); | |
11321 | ||
11322 | while (iter != pending_entries.end()) { | |
11323 | bufferlist::iterator biter = iter->second.begin(); | |
11324 | RGWOLHPendingInfo pending_info; | |
11325 | try { | |
11326 | ::decode(pending_info, biter); | |
11327 | } catch (buffer::error& err) { | |
11328 | /* skipping bad entry, we could remove it but it might hide a bug */ | |
11329 | ldout(cct, 0) << "ERROR: failed to decode pending entry " << iter->first << dendl; | |
11330 | ++iter; | |
11331 | continue; | |
11332 | } | |
11333 | ||
11334 | map<string, bufferlist>::iterator cur_iter = iter; | |
11335 | ++iter; | |
11336 | if (now - pending_info.time >= make_timespan(cct->_conf->rgw_olh_pending_timeout_sec)) { | |
11337 | (*rm_pending_entries)[cur_iter->first] = cur_iter->second; | |
11338 | pending_entries.erase(cur_iter); | |
11339 | } else { | |
11340 | /* entries names are sorted by time (rounded to a second) */ | |
11341 | break; | |
11342 | } | |
11343 | } | |
11344 | } | |
11345 | ||
11346 | int RGWRados::remove_olh_pending_entries(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, map<string, bufferlist>& pending_attrs) | |
11347 | { | |
11348 | ObjectWriteOperation op; | |
11349 | ||
11350 | bucket_index_guard_olh_op(state, op); | |
11351 | ||
11352 | for (map<string, bufferlist>::iterator iter = pending_attrs.begin(); iter != pending_attrs.end(); ++iter) { | |
11353 | op.rmxattr(iter->first.c_str()); | |
11354 | } | |
11355 | ||
11356 | rgw_rados_ref ref; | |
11357 | int r = get_obj_head_ref(bucket_info, olh_obj, &ref); | |
11358 | if (r < 0) { | |
11359 | return r; | |
11360 | } | |
11361 | ||
11362 | /* update olh object */ | |
11363 | r = ref.ioctx.operate(ref.oid, &op); | |
11364 | if (r == -ENOENT || r == -ECANCELED) { | |
11365 | /* raced with some other change, shouldn't sweat about it */ | |
11366 | r = 0; | |
11367 | } | |
11368 | if (r < 0) { | |
11369 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
11370 | return r; | |
11371 | } | |
11372 | ||
11373 | return 0; | |
11374 | } | |
11375 | ||
11376 | int RGWRados::follow_olh(const RGWBucketInfo& bucket_info, RGWObjectCtx& obj_ctx, RGWObjState *state, const rgw_obj& olh_obj, rgw_obj *target) | |
11377 | { | |
11378 | map<string, bufferlist> pending_entries; | |
11379 | filter_attrset(state->attrset, RGW_ATTR_OLH_PENDING_PREFIX, &pending_entries); | |
11380 | ||
11381 | map<string, bufferlist> rm_pending_entries; | |
11382 | check_pending_olh_entries(pending_entries, &rm_pending_entries); | |
11383 | ||
11384 | if (!rm_pending_entries.empty()) { | |
11385 | int ret = remove_olh_pending_entries(bucket_info, *state, olh_obj, rm_pending_entries); | |
11386 | if (ret < 0) { | |
11387 | ldout(cct, 20) << "ERROR: rm_pending_entries returned ret=" << ret << dendl; | |
11388 | return ret; | |
11389 | } | |
11390 | } | |
11391 | if (!pending_entries.empty()) { | |
11392 | ldout(cct, 20) << __func__ << "(): found pending entries, need to update_olh() on bucket=" << olh_obj.bucket << dendl; | |
11393 | ||
11394 | int ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
11395 | if (ret < 0) { | |
11396 | return ret; | |
11397 | } | |
11398 | } | |
11399 | ||
11400 | map<string, bufferlist>::iterator iter = state->attrset.find(RGW_ATTR_OLH_INFO); | |
11401 | assert(iter != state->attrset.end()); | |
11402 | RGWOLHInfo olh; | |
11403 | try { | |
11404 | bufferlist::iterator biter = iter->second.begin(); | |
11405 | ::decode(olh, biter); | |
11406 | } catch (buffer::error& err) { | |
11407 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
11408 | return -EIO; | |
11409 | } | |
11410 | ||
11411 | if (olh.removed) { | |
11412 | return -ENOENT; | |
11413 | } | |
11414 | ||
11415 | *target = olh.target; | |
11416 | ||
11417 | return 0; | |
11418 | } | |
11419 | ||
11420 | int RGWRados::raw_obj_stat(rgw_raw_obj& obj, uint64_t *psize, real_time *pmtime, uint64_t *epoch, | |
11421 | map<string, bufferlist> *attrs, bufferlist *first_chunk, | |
11422 | RGWObjVersionTracker *objv_tracker) | |
11423 | { | |
11424 | rgw_rados_ref ref; | |
11425 | int r = get_raw_obj_ref(obj, &ref); | |
11426 | if (r < 0) { | |
11427 | return r; | |
11428 | } | |
11429 | ||
11430 | map<string, bufferlist> unfiltered_attrset; | |
11431 | uint64_t size = 0; | |
11432 | struct timespec mtime_ts; | |
11433 | ||
11434 | ObjectReadOperation op; | |
11435 | if (objv_tracker) { | |
11436 | objv_tracker->prepare_op_for_read(&op); | |
11437 | } | |
11438 | if (attrs) { | |
11439 | op.getxattrs(&unfiltered_attrset, NULL); | |
11440 | } | |
11441 | if (psize || pmtime) { | |
11442 | op.stat2(&size, &mtime_ts, NULL); | |
11443 | } | |
11444 | if (first_chunk) { | |
11445 | op.read(0, cct->_conf->rgw_max_chunk_size, first_chunk, NULL); | |
11446 | } | |
11447 | bufferlist outbl; | |
11448 | r = ref.ioctx.operate(ref.oid, &op, &outbl); | |
11449 | ||
11450 | if (epoch) { | |
11451 | *epoch = ref.ioctx.get_last_version(); | |
11452 | } | |
11453 | ||
11454 | if (r < 0) | |
11455 | return r; | |
11456 | ||
11457 | if (psize) | |
11458 | *psize = size; | |
11459 | if (pmtime) | |
11460 | *pmtime = ceph::real_clock::from_timespec(mtime_ts); | |
11461 | if (attrs) { | |
11462 | filter_attrset(unfiltered_attrset, RGW_ATTR_PREFIX, attrs); | |
11463 | } | |
11464 | ||
11465 | return 0; | |
11466 | } | |
11467 | ||
11468 | int RGWRados::get_bucket_stats(RGWBucketInfo& bucket_info, int shard_id, string *bucket_ver, string *master_ver, | |
11469 | map<RGWObjCategory, RGWStorageStats>& stats, string *max_marker) | |
11470 | { | |
11471 | map<string, rgw_bucket_dir_header> headers; | |
11472 | map<int, string> bucket_instance_ids; | |
11473 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11474 | if (r < 0) { | |
11475 | return r; | |
11476 | } | |
11477 | ||
11478 | assert(headers.size() == bucket_instance_ids.size()); | |
11479 | ||
11480 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11481 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11482 | BucketIndexShardsManager ver_mgr; | |
11483 | BucketIndexShardsManager master_ver_mgr; | |
11484 | BucketIndexShardsManager marker_mgr; | |
11485 | string shard_marker; | |
11486 | char buf[64]; | |
11487 | for(; iter != headers.end(); ++iter, ++viter) { | |
11488 | accumulate_raw_stats(iter->second, stats); | |
11489 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.ver); | |
11490 | ver_mgr.add(viter->first, string(buf)); | |
11491 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.master_ver); | |
11492 | master_ver_mgr.add(viter->first, string(buf)); | |
11493 | if (shard_id >= 0) { | |
11494 | *max_marker = iter->second.max_marker; | |
11495 | } else { | |
11496 | marker_mgr.add(viter->first, iter->second.max_marker); | |
11497 | } | |
11498 | } | |
11499 | ver_mgr.to_string(bucket_ver); | |
11500 | master_ver_mgr.to_string(master_ver); | |
11501 | if (shard_id < 0) { | |
11502 | marker_mgr.to_string(max_marker); | |
11503 | } | |
11504 | return 0; | |
11505 | } | |
11506 | ||
11507 | int RGWRados::get_bi_log_status(RGWBucketInfo& bucket_info, int shard_id, | |
11508 | map<int, string>& markers) | |
11509 | { | |
11510 | map<string, rgw_bucket_dir_header> headers; | |
11511 | map<int, string> bucket_instance_ids; | |
11512 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11513 | if (r < 0) | |
11514 | return r; | |
11515 | ||
11516 | assert(headers.size() == bucket_instance_ids.size()); | |
11517 | ||
11518 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11519 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11520 | ||
11521 | for(; iter != headers.end(); ++iter, ++viter) { | |
11522 | if (shard_id >= 0) { | |
11523 | markers[shard_id] = iter->second.max_marker; | |
11524 | } else { | |
11525 | markers[viter->first] = iter->second.max_marker; | |
11526 | } | |
11527 | } | |
11528 | return 0; | |
11529 | } | |
11530 | ||
11531 | class RGWGetBucketStatsContext : public RGWGetDirHeader_CB { | |
11532 | RGWGetBucketStats_CB *cb; | |
11533 | uint32_t pendings; | |
11534 | map<RGWObjCategory, RGWStorageStats> stats; | |
11535 | int ret_code; | |
11536 | bool should_cb; | |
11537 | Mutex lock; | |
11538 | ||
11539 | public: | |
11540 | RGWGetBucketStatsContext(RGWGetBucketStats_CB *_cb, uint32_t _pendings) | |
11541 | : cb(_cb), pendings(_pendings), stats(), ret_code(0), should_cb(true), | |
11542 | lock("RGWGetBucketStatsContext") {} | |
11543 | ||
11544 | void handle_response(int r, rgw_bucket_dir_header& header) override { | |
11545 | Mutex::Locker l(lock); | |
11546 | if (should_cb) { | |
11547 | if ( r >= 0) { | |
11548 | accumulate_raw_stats(header, stats); | |
11549 | } else { | |
11550 | ret_code = r; | |
11551 | } | |
11552 | ||
11553 | // Are we all done? | |
11554 | if (--pendings == 0) { | |
11555 | if (!ret_code) { | |
11556 | cb->set_response(&stats); | |
11557 | } | |
11558 | cb->handle_response(ret_code); | |
11559 | cb->put(); | |
11560 | } | |
11561 | } | |
11562 | } | |
11563 | ||
11564 | void unset_cb() { | |
11565 | Mutex::Locker l(lock); | |
11566 | should_cb = false; | |
11567 | } | |
11568 | }; | |
11569 | ||
11570 | int RGWRados::get_bucket_stats_async(RGWBucketInfo& bucket_info, int shard_id, RGWGetBucketStats_CB *ctx) | |
11571 | { | |
11572 | int num_aio = 0; | |
11573 | RGWGetBucketStatsContext *get_ctx = new RGWGetBucketStatsContext(ctx, bucket_info.num_shards); | |
11574 | assert(get_ctx); | |
11575 | int r = cls_bucket_head_async(bucket_info, shard_id, get_ctx, &num_aio); | |
11576 | get_ctx->put(); | |
11577 | if (r < 0) { | |
11578 | ctx->put(); | |
11579 | if (num_aio) { | |
11580 | get_ctx->unset_cb(); | |
11581 | } | |
11582 | } | |
11583 | return r; | |
11584 | } | |
11585 | ||
11586 | class RGWGetUserStatsContext : public RGWGetUserHeader_CB { | |
11587 | RGWGetUserStats_CB *cb; | |
11588 | ||
11589 | public: | |
11590 | explicit RGWGetUserStatsContext(RGWGetUserStats_CB * const cb) | |
11591 | : cb(cb) {} | |
11592 | ||
11593 | void handle_response(int r, cls_user_header& header) override { | |
11594 | const cls_user_stats& hs = header.stats; | |
11595 | if (r >= 0) { | |
11596 | RGWStorageStats stats; | |
11597 | ||
11598 | stats.size = hs.total_bytes; | |
11599 | stats.size_rounded = hs.total_bytes_rounded; | |
11600 | stats.num_objects = hs.total_entries; | |
11601 | ||
11602 | cb->set_response(stats); | |
11603 | } | |
11604 | ||
11605 | cb->handle_response(r); | |
11606 | ||
11607 | cb->put(); | |
11608 | } | |
11609 | }; | |
11610 | ||
11611 | int RGWRados::get_user_stats(const rgw_user& user, RGWStorageStats& stats) | |
11612 | { | |
11613 | string user_str = user.to_str(); | |
11614 | ||
11615 | cls_user_header header; | |
11616 | int r = cls_user_get_header(user_str, &header); | |
11617 | if (r < 0) | |
11618 | return r; | |
11619 | ||
11620 | const cls_user_stats& hs = header.stats; | |
11621 | ||
11622 | stats.size = hs.total_bytes; | |
11623 | stats.size_rounded = hs.total_bytes_rounded; | |
11624 | stats.num_objects = hs.total_entries; | |
11625 | ||
11626 | return 0; | |
11627 | } | |
11628 | ||
11629 | int RGWRados::get_user_stats_async(const rgw_user& user, RGWGetUserStats_CB *ctx) | |
11630 | { | |
11631 | string user_str = user.to_str(); | |
11632 | ||
11633 | RGWGetUserStatsContext *get_ctx = new RGWGetUserStatsContext(ctx); | |
11634 | int r = cls_user_get_header_async(user_str, get_ctx); | |
11635 | if (r < 0) { | |
11636 | ctx->put(); | |
11637 | delete get_ctx; | |
11638 | return r; | |
11639 | } | |
11640 | ||
11641 | return 0; | |
11642 | } | |
11643 | ||
11644 | void RGWRados::get_bucket_meta_oid(const rgw_bucket& bucket, string& oid) | |
11645 | { | |
11646 | oid = RGW_BUCKET_INSTANCE_MD_PREFIX + bucket.get_key(':'); | |
11647 | } | |
11648 | ||
11649 | void RGWRados::get_bucket_instance_obj(const rgw_bucket& bucket, rgw_raw_obj& obj) | |
11650 | { | |
11651 | if (!bucket.oid.empty()) { | |
11652 | obj.init(get_zone_params().domain_root, bucket.oid); | |
11653 | } else { | |
11654 | string oid; | |
11655 | get_bucket_meta_oid(bucket, oid); | |
11656 | obj.init(get_zone_params().domain_root, oid); | |
11657 | } | |
11658 | } | |
11659 | ||
11660 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const string& meta_key, RGWBucketInfo& info, | |
11661 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11662 | { | |
11663 | size_t pos = meta_key.find(':'); | |
11664 | if (pos == string::npos) { | |
11665 | return -EINVAL; | |
11666 | } | |
11667 | string oid = RGW_BUCKET_INSTANCE_MD_PREFIX + meta_key; | |
11668 | rgw_bucket_instance_key_to_oid(oid); | |
11669 | ||
11670 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11671 | } | |
11672 | ||
11673 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const rgw_bucket& bucket, RGWBucketInfo& info, | |
11674 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11675 | { | |
11676 | string oid; | |
11677 | if (bucket.oid.empty()) { | |
11678 | get_bucket_meta_oid(bucket, oid); | |
11679 | } else { | |
11680 | oid = bucket.oid; | |
11681 | } | |
11682 | ||
11683 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11684 | } | |
11685 | ||
31f18b77 | 11686 | int RGWRados::get_bucket_instance_from_oid(RGWObjectCtx& obj_ctx, const string& oid, RGWBucketInfo& info, |
7c673cae FG |
11687 | real_time *pmtime, map<string, bufferlist> *pattrs, |
11688 | rgw_cache_entry_info *cache_info) | |
11689 | { | |
11690 | ldout(cct, 20) << "reading from " << get_zone_params().domain_root << ":" << oid << dendl; | |
11691 | ||
11692 | bufferlist epbl; | |
11693 | ||
11694 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, oid, epbl, &info.objv_tracker, pmtime, pattrs, cache_info); | |
11695 | if (ret < 0) { | |
11696 | return ret; | |
11697 | } | |
11698 | ||
11699 | bufferlist::iterator iter = epbl.begin(); | |
11700 | try { | |
11701 | ::decode(info, iter); | |
11702 | } catch (buffer::error& err) { | |
11703 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11704 | return -EIO; | |
11705 | } | |
11706 | info.bucket.oid = oid; | |
11707 | return 0; | |
11708 | } | |
11709 | ||
11710 | int RGWRados::get_bucket_entrypoint_info(RGWObjectCtx& obj_ctx, | |
11711 | const string& tenant_name, | |
11712 | const string& bucket_name, | |
11713 | RGWBucketEntryPoint& entry_point, | |
11714 | RGWObjVersionTracker *objv_tracker, | |
11715 | real_time *pmtime, | |
11716 | map<string, bufferlist> *pattrs, | |
11717 | rgw_cache_entry_info *cache_info) | |
11718 | { | |
11719 | bufferlist bl; | |
11720 | string bucket_entry; | |
11721 | ||
11722 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11723 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, bucket_entry, bl, objv_tracker, pmtime, pattrs, cache_info); | |
11724 | if (ret < 0) { | |
11725 | return ret; | |
11726 | } | |
11727 | ||
11728 | bufferlist::iterator iter = bl.begin(); | |
11729 | try { | |
11730 | ::decode(entry_point, iter); | |
11731 | } catch (buffer::error& err) { | |
11732 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11733 | return -EIO; | |
11734 | } | |
11735 | return 0; | |
11736 | } | |
11737 | ||
11738 | int RGWRados::convert_old_bucket_info(RGWObjectCtx& obj_ctx, | |
11739 | const string& tenant_name, | |
11740 | const string& bucket_name) | |
11741 | { | |
11742 | RGWBucketEntryPoint entry_point; | |
11743 | real_time ep_mtime; | |
11744 | RGWObjVersionTracker ot; | |
11745 | map<string, bufferlist> attrs; | |
11746 | RGWBucketInfo info; | |
11747 | ||
11748 | ldout(cct, 10) << "RGWRados::convert_old_bucket_info(): bucket=" << bucket_name << dendl; | |
11749 | ||
11750 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, entry_point, &ot, &ep_mtime, &attrs); | |
11751 | if (ret < 0) { | |
11752 | ldout(cct, 0) << "ERROR: get_bucket_entrypoint_info() returned " << ret << " bucket=" << bucket_name << dendl; | |
11753 | return ret; | |
11754 | } | |
11755 | ||
11756 | if (!entry_point.has_bucket_info) { | |
11757 | /* already converted! */ | |
11758 | return 0; | |
11759 | } | |
11760 | ||
11761 | info = entry_point.old_bucket_info; | |
11762 | info.bucket.oid = bucket_name; | |
11763 | info.ep_objv = ot.read_version; | |
11764 | ||
11765 | ot.generate_new_write_ver(cct); | |
11766 | ||
11767 | ret = put_linked_bucket_info(info, false, ep_mtime, &ot.write_version, &attrs, true); | |
11768 | if (ret < 0) { | |
11769 | ldout(cct, 0) << "ERROR: failed to put_linked_bucket_info(): " << ret << dendl; | |
11770 | return ret; | |
11771 | } | |
11772 | ||
11773 | return 0; | |
11774 | } | |
11775 | ||
11776 | int RGWRados::get_bucket_info(RGWObjectCtx& obj_ctx, | |
11777 | const string& tenant, const string& bucket_name, RGWBucketInfo& info, | |
11778 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11779 | { | |
11780 | bucket_info_entry e; | |
11781 | string bucket_entry; | |
11782 | rgw_make_bucket_entry_name(tenant, bucket_name, bucket_entry); | |
11783 | ||
11784 | if (binfo_cache->find(bucket_entry, &e)) { | |
11785 | info = e.info; | |
11786 | if (pattrs) | |
11787 | *pattrs = e.attrs; | |
11788 | if (pmtime) | |
11789 | *pmtime = e.mtime; | |
11790 | return 0; | |
11791 | } | |
11792 | ||
11793 | RGWBucketEntryPoint entry_point; | |
11794 | real_time ep_mtime; | |
11795 | RGWObjVersionTracker ot; | |
11796 | rgw_cache_entry_info entry_cache_info; | |
11797 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant, bucket_name, entry_point, &ot, &ep_mtime, pattrs, &entry_cache_info); | |
11798 | if (ret < 0) { | |
11799 | /* only init these fields */ | |
11800 | info.bucket.tenant = tenant; | |
11801 | info.bucket.name = bucket_name; | |
11802 | return ret; | |
11803 | } | |
11804 | ||
11805 | if (entry_point.has_bucket_info) { | |
11806 | info = entry_point.old_bucket_info; | |
11807 | info.bucket.oid = bucket_name; | |
11808 | info.bucket.tenant = tenant; | |
11809 | info.ep_objv = ot.read_version; | |
11810 | ldout(cct, 20) << "rgw_get_bucket_info: old bucket info, bucket=" << info.bucket << " owner " << info.owner << dendl; | |
11811 | return 0; | |
11812 | } | |
11813 | ||
11814 | /* data is in the bucket instance object, we need to get attributes from there, clear everything | |
11815 | * that we got | |
11816 | */ | |
11817 | if (pattrs) { | |
11818 | pattrs->clear(); | |
11819 | } | |
11820 | ||
11821 | ldout(cct, 20) << "rgw_get_bucket_info: bucket instance: " << entry_point.bucket << dendl; | |
11822 | ||
11823 | ||
11824 | /* read bucket instance info */ | |
11825 | ||
11826 | string oid; | |
11827 | get_bucket_meta_oid(entry_point.bucket, oid); | |
11828 | ||
11829 | rgw_cache_entry_info cache_info; | |
11830 | ||
11831 | ret = get_bucket_instance_from_oid(obj_ctx, oid, e.info, &e.mtime, &e.attrs, &cache_info); | |
11832 | e.info.ep_objv = ot.read_version; | |
11833 | info = e.info; | |
11834 | if (ret < 0) { | |
11835 | info.bucket.tenant = tenant; | |
11836 | info.bucket.name = bucket_name; | |
11837 | // XXX and why return anything in case of an error anyway? | |
11838 | return ret; | |
11839 | } | |
11840 | ||
11841 | if (pmtime) | |
11842 | *pmtime = e.mtime; | |
11843 | if (pattrs) | |
11844 | *pattrs = e.attrs; | |
11845 | ||
11846 | list<rgw_cache_entry_info *> cache_info_entries; | |
11847 | cache_info_entries.push_back(&entry_cache_info); | |
11848 | cache_info_entries.push_back(&cache_info); | |
11849 | ||
11850 | ||
11851 | /* chain to both bucket entry point and bucket instance */ | |
11852 | if (!binfo_cache->put(this, bucket_entry, &e, cache_info_entries)) { | |
11853 | ldout(cct, 20) << "couldn't put binfo cache entry, might have raced with data changes" << dendl; | |
11854 | } | |
11855 | ||
11856 | return 0; | |
11857 | } | |
11858 | ||
11859 | int RGWRados::put_bucket_entrypoint_info(const string& tenant_name, const string& bucket_name, RGWBucketEntryPoint& entry_point, | |
11860 | bool exclusive, RGWObjVersionTracker& objv_tracker, real_time mtime, | |
11861 | map<string, bufferlist> *pattrs) | |
11862 | { | |
11863 | bufferlist epbl; | |
11864 | ::encode(entry_point, epbl); | |
11865 | string bucket_entry; | |
11866 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11867 | return rgw_bucket_store_info(this, bucket_entry, epbl, exclusive, pattrs, &objv_tracker, mtime); | |
11868 | } | |
11869 | ||
11870 | int RGWRados::put_bucket_instance_info(RGWBucketInfo& info, bool exclusive, | |
11871 | real_time mtime, map<string, bufferlist> *pattrs) | |
11872 | { | |
11873 | info.has_instance_obj = true; | |
11874 | bufferlist bl; | |
11875 | ||
11876 | ::encode(info, bl); | |
11877 | ||
11878 | string key = info.bucket.get_key(); /* when we go through meta api, we don't use oid directly */ | |
11879 | int ret = rgw_bucket_instance_store_info(this, key, bl, exclusive, pattrs, &info.objv_tracker, mtime); | |
11880 | if (ret == -EEXIST) { | |
11881 | /* well, if it's exclusive we shouldn't overwrite it, because we might race with another | |
11882 | * bucket operation on this specific bucket (e.g., being synced from the master), but | |
11883 | * since bucket instace meta object is unique for this specific bucket instace, we don't | |
11884 | * need to return an error. | |
11885 | * A scenario where we'd get -EEXIST here, is in a multi-zone config, we're not on the | |
11886 | * master, creating a bucket, sending bucket creation to the master, we create the bucket | |
11887 | * locally, while in the sync thread we sync the new bucket. | |
11888 | */ | |
11889 | ret = 0; | |
11890 | } | |
11891 | return ret; | |
11892 | } | |
11893 | ||
11894 | int RGWRados::put_linked_bucket_info(RGWBucketInfo& info, bool exclusive, real_time mtime, obj_version *pep_objv, | |
11895 | map<string, bufferlist> *pattrs, bool create_entry_point) | |
11896 | { | |
11897 | bool create_head = !info.has_instance_obj || create_entry_point; | |
11898 | ||
11899 | int ret = put_bucket_instance_info(info, exclusive, mtime, pattrs); | |
11900 | if (ret < 0) { | |
11901 | return ret; | |
11902 | } | |
11903 | ||
11904 | if (!create_head) | |
11905 | return 0; /* done! */ | |
11906 | ||
11907 | RGWBucketEntryPoint entry_point; | |
11908 | entry_point.bucket = info.bucket; | |
11909 | entry_point.owner = info.owner; | |
11910 | entry_point.creation_time = info.creation_time; | |
11911 | entry_point.linked = true; | |
11912 | RGWObjVersionTracker ot; | |
11913 | if (pep_objv && !pep_objv->tag.empty()) { | |
11914 | ot.write_version = *pep_objv; | |
11915 | } else { | |
11916 | ot.generate_new_write_ver(cct); | |
11917 | if (pep_objv) { | |
11918 | *pep_objv = ot.write_version; | |
11919 | } | |
11920 | } | |
11921 | ret = put_bucket_entrypoint_info(info.bucket.tenant, info.bucket.name, entry_point, exclusive, ot, mtime, NULL); | |
11922 | if (ret < 0) | |
11923 | return ret; | |
11924 | ||
11925 | return 0; | |
11926 | } | |
11927 | ||
11928 | int RGWRados::omap_get_vals(rgw_raw_obj& obj, bufferlist& header, const string& marker, uint64_t count, std::map<string, bufferlist>& m) | |
11929 | { | |
11930 | rgw_rados_ref ref; | |
11931 | int r = get_raw_obj_ref(obj, &ref); | |
11932 | if (r < 0) { | |
11933 | return r; | |
11934 | } | |
11935 | ||
11936 | r = ref.ioctx.omap_get_vals(ref.oid, marker, count, &m); | |
11937 | if (r < 0) | |
11938 | return r; | |
11939 | ||
11940 | return 0; | |
11941 | ||
11942 | } | |
11943 | ||
11944 | int RGWRados::omap_get_all(rgw_raw_obj& obj, bufferlist& header, | |
11945 | std::map<string, bufferlist>& m) | |
11946 | { | |
11947 | rgw_rados_ref ref; | |
11948 | int r = get_raw_obj_ref(obj, &ref); | |
11949 | if (r < 0) { | |
11950 | return r; | |
11951 | } | |
11952 | ||
11953 | #define MAX_OMAP_GET_ENTRIES 1024 | |
11954 | const int count = MAX_OMAP_GET_ENTRIES; | |
11955 | string start_after; | |
11956 | ||
11957 | while (true) { | |
11958 | std::map<string, bufferlist> t; | |
11959 | r = ref.ioctx.omap_get_vals(ref.oid, start_after, count, &t); | |
11960 | if (r < 0) { | |
11961 | return r; | |
11962 | } | |
11963 | if (t.empty()) { | |
11964 | break; | |
11965 | } | |
11966 | start_after = t.rbegin()->first; | |
11967 | m.insert(t.begin(), t.end()); | |
11968 | } | |
11969 | return 0; | |
11970 | } | |
11971 | ||
11972 | int RGWRados::omap_set(rgw_raw_obj& obj, const std::string& key, bufferlist& bl) | |
11973 | { | |
11974 | rgw_rados_ref ref; | |
11975 | int r = get_raw_obj_ref(obj, &ref); | |
11976 | if (r < 0) { | |
11977 | return r; | |
11978 | } | |
11979 | ldout(cct, 15) << "omap_set obj=" << obj << " key=" << key << dendl; | |
11980 | ||
11981 | map<string, bufferlist> m; | |
11982 | m[key] = bl; | |
11983 | ||
11984 | r = ref.ioctx.omap_set(ref.oid, m); | |
11985 | ||
11986 | return r; | |
11987 | } | |
11988 | ||
11989 | int RGWRados::omap_set(rgw_raw_obj& obj, std::map<std::string, bufferlist>& m) | |
11990 | { | |
11991 | rgw_rados_ref ref; | |
11992 | int r = get_raw_obj_ref(obj, &ref); | |
11993 | if (r < 0) { | |
11994 | return r; | |
11995 | } | |
11996 | ||
11997 | r = ref.ioctx.omap_set(ref.oid, m); | |
11998 | ||
11999 | return r; | |
12000 | } | |
12001 | ||
12002 | int RGWRados::omap_del(rgw_raw_obj& obj, const std::string& key) | |
12003 | { | |
12004 | rgw_rados_ref ref; | |
12005 | int r = get_raw_obj_ref(obj, &ref); | |
12006 | if (r < 0) { | |
12007 | return r; | |
12008 | } | |
12009 | ||
12010 | set<string> k; | |
12011 | k.insert(key); | |
12012 | ||
12013 | r = ref.ioctx.omap_rm_keys(ref.oid, k); | |
12014 | return r; | |
12015 | } | |
12016 | ||
12017 | int RGWRados::update_containers_stats(map<string, RGWBucketEnt>& m) | |
12018 | { | |
12019 | RGWObjectCtx obj_ctx(this); | |
12020 | ||
12021 | map<string, RGWBucketEnt>::iterator iter; | |
12022 | for (iter = m.begin(); iter != m.end(); ++iter) { | |
12023 | RGWBucketEnt& ent = iter->second; | |
12024 | rgw_bucket& bucket = ent.bucket; | |
12025 | ent.count = 0; | |
12026 | ent.size = 0; | |
12027 | ent.size_rounded = 0; | |
12028 | ||
12029 | map<string, rgw_bucket_dir_header> headers; | |
12030 | ||
12031 | RGWBucketInfo bucket_info; | |
12032 | int ret = get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
12033 | if (ret < 0) { | |
12034 | return ret; | |
12035 | } | |
12036 | ||
12037 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
12038 | if (r < 0) | |
12039 | return r; | |
12040 | ||
12041 | map<string, rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
12042 | for (; hiter != headers.end(); ++hiter) { | |
12043 | RGWObjCategory category = main_category; | |
12044 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = (hiter->second.stats).find((uint8_t)category); | |
12045 | if (iter != hiter->second.stats.end()) { | |
12046 | struct rgw_bucket_category_stats& stats = iter->second; | |
12047 | ent.count += stats.num_entries; | |
12048 | ent.size += stats.total_size; | |
12049 | ent.size_rounded += stats.total_size_rounded; | |
12050 | } | |
12051 | } | |
12052 | } | |
12053 | ||
12054 | return m.size(); | |
12055 | } | |
12056 | ||
12057 | int RGWRados::append_async(rgw_raw_obj& obj, size_t size, bufferlist& bl) | |
12058 | { | |
12059 | rgw_rados_ref ref; | |
12060 | int r = get_raw_obj_ref(obj, &ref); | |
12061 | if (r < 0) { | |
12062 | return r; | |
12063 | } | |
12064 | librados::Rados *rad = get_rados_handle(); | |
12065 | librados::AioCompletion *completion = rad->aio_create_completion(NULL, NULL, NULL); | |
12066 | ||
12067 | r = ref.ioctx.aio_append(ref.oid, completion, bl, size); | |
12068 | completion->release(); | |
12069 | return r; | |
12070 | } | |
12071 | ||
12072 | int RGWRados::distribute(const string& key, bufferlist& bl) | |
12073 | { | |
12074 | /* | |
12075 | * we were called before watch was initialized. This can only happen if we're updating some system | |
12076 | * config object (e.g., zone info) during init. Don't try to distribute the cache info for these | |
12077 | * objects, they're currently only read on startup anyway. | |
12078 | */ | |
12079 | if (!watch_initialized) | |
12080 | return 0; | |
12081 | ||
12082 | string notify_oid; | |
12083 | pick_control_oid(key, notify_oid); | |
12084 | ||
12085 | ldout(cct, 10) << "distributing notification oid=" << notify_oid << " bl.length()=" << bl.length() << dendl; | |
12086 | return control_pool_ctx.notify2(notify_oid, bl, 0, NULL); | |
12087 | } | |
12088 | ||
12089 | int RGWRados::pool_iterate_begin(const rgw_pool& pool, RGWPoolIterCtx& ctx) | |
12090 | { | |
12091 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
12092 | librados::NObjectIterator& iter = ctx.iter; | |
12093 | ||
12094 | int r = open_pool_ctx(pool, io_ctx); | |
12095 | if (r < 0) | |
12096 | return r; | |
12097 | ||
12098 | iter = io_ctx.nobjects_begin(); | |
12099 | ||
12100 | return 0; | |
12101 | } | |
12102 | ||
12103 | int RGWRados::pool_iterate(RGWPoolIterCtx& ctx, uint32_t num, vector<rgw_bucket_dir_entry>& objs, | |
12104 | bool *is_truncated, RGWAccessListFilter *filter) | |
12105 | { | |
12106 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
12107 | librados::NObjectIterator& iter = ctx.iter; | |
12108 | ||
12109 | if (iter == io_ctx.nobjects_end()) | |
12110 | return -ENOENT; | |
12111 | ||
12112 | uint32_t i; | |
12113 | ||
12114 | for (i = 0; i < num && iter != io_ctx.nobjects_end(); ++i, ++iter) { | |
12115 | rgw_bucket_dir_entry e; | |
12116 | ||
12117 | string oid = iter->get_oid(); | |
12118 | ldout(cct, 20) << "RGWRados::pool_iterate: got " << oid << dendl; | |
12119 | ||
12120 | // fill it in with initial values; we may correct later | |
12121 | if (filter && !filter->filter(oid, oid)) | |
12122 | continue; | |
12123 | ||
12124 | e.key = oid; | |
12125 | objs.push_back(e); | |
12126 | } | |
12127 | ||
12128 | if (is_truncated) | |
12129 | *is_truncated = (iter != io_ctx.nobjects_end()); | |
12130 | ||
12131 | return objs.size(); | |
12132 | } | |
12133 | struct RGWAccessListFilterPrefix : public RGWAccessListFilter { | |
12134 | string prefix; | |
12135 | ||
12136 | explicit RGWAccessListFilterPrefix(const string& _prefix) : prefix(_prefix) {} | |
12137 | bool filter(string& name, string& key) override { | |
12138 | return (prefix.compare(key.substr(0, prefix.size())) == 0); | |
12139 | } | |
12140 | }; | |
12141 | ||
12142 | int RGWRados::list_raw_objects(const rgw_pool& pool, const string& prefix_filter, | |
12143 | int max, RGWListRawObjsCtx& ctx, list<string>& oids, | |
12144 | bool *is_truncated) | |
12145 | { | |
12146 | RGWAccessListFilterPrefix filter(prefix_filter); | |
12147 | ||
12148 | if (!ctx.initialized) { | |
12149 | int r = pool_iterate_begin(pool, ctx.iter_ctx); | |
12150 | if (r < 0) { | |
12151 | ldout(cct, 10) << "failed to list objects pool_iterate_begin() returned r=" << r << dendl; | |
12152 | return r; | |
12153 | } | |
12154 | ctx.initialized = true; | |
12155 | } | |
12156 | ||
12157 | vector<rgw_bucket_dir_entry> objs; | |
12158 | int r = pool_iterate(ctx.iter_ctx, max, objs, is_truncated, &filter); | |
12159 | if (r < 0) { | |
12160 | if(r != -ENOENT) | |
12161 | ldout(cct, 10) << "failed to list objects pool_iterate returned r=" << r << dendl; | |
12162 | return r; | |
12163 | } | |
12164 | ||
12165 | vector<rgw_bucket_dir_entry>::iterator iter; | |
12166 | for (iter = objs.begin(); iter != objs.end(); ++iter) { | |
12167 | oids.push_back(iter->key.name); | |
12168 | } | |
12169 | ||
12170 | return oids.size(); | |
12171 | } | |
12172 | ||
12173 | int RGWRados::list_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& marker, uint32_t max, | |
12174 | std::list<rgw_bi_log_entry>& result, bool *truncated) | |
12175 | { | |
12176 | ldout(cct, 20) << __func__ << ": " << bucket_info.bucket << " marker " << marker << " shard_id=" << shard_id << " max " << max << dendl; | |
12177 | result.clear(); | |
12178 | ||
12179 | librados::IoCtx index_ctx; | |
12180 | map<int, string> oids; | |
12181 | map<int, cls_rgw_bi_log_list_ret> bi_log_lists; | |
12182 | map<int, string> bucket_instance_ids; | |
12183 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id, &bucket_instance_ids); | |
12184 | if (r < 0) | |
12185 | return r; | |
12186 | ||
12187 | BucketIndexShardsManager marker_mgr; | |
12188 | bool has_shards = (oids.size() > 1 || shard_id >= 0); | |
12189 | // If there are multiple shards for the bucket index object, the marker | |
12190 | // should have the pattern '{shard_id_1}#{shard_marker_1},{shard_id_2}# | |
12191 | // {shard_marker_2}...', if there is no sharding, the bi_log_list should | |
12192 | // only contain one record, and the key is the bucket instance id. | |
12193 | r = marker_mgr.from_string(marker, shard_id); | |
12194 | if (r < 0) | |
12195 | return r; | |
12196 | ||
12197 | r = CLSRGWIssueBILogList(index_ctx, marker_mgr, max, oids, bi_log_lists, cct->_conf->rgw_bucket_index_max_aio)(); | |
12198 | if (r < 0) | |
12199 | return r; | |
12200 | ||
12201 | map<int, list<rgw_bi_log_entry>::iterator> vcurrents; | |
12202 | map<int, list<rgw_bi_log_entry>::iterator> vends; | |
12203 | if (truncated) { | |
12204 | *truncated = false; | |
12205 | } | |
12206 | map<int, cls_rgw_bi_log_list_ret>::iterator miter = bi_log_lists.begin(); | |
12207 | for (; miter != bi_log_lists.end(); ++miter) { | |
12208 | int shard_id = miter->first; | |
12209 | vcurrents[shard_id] = miter->second.entries.begin(); | |
12210 | vends[shard_id] = miter->second.entries.end(); | |
12211 | if (truncated) { | |
12212 | *truncated = (*truncated || miter->second.truncated); | |
12213 | } | |
12214 | } | |
12215 | ||
12216 | size_t total = 0; | |
12217 | bool has_more = true; | |
12218 | map<int, list<rgw_bi_log_entry>::iterator>::iterator viter; | |
12219 | map<int, list<rgw_bi_log_entry>::iterator>::iterator eiter; | |
12220 | while (total < max && has_more) { | |
12221 | has_more = false; | |
12222 | ||
12223 | viter = vcurrents.begin(); | |
12224 | eiter = vends.begin(); | |
12225 | ||
12226 | for (; total < max && viter != vcurrents.end(); ++viter, ++eiter) { | |
12227 | assert (eiter != vends.end()); | |
12228 | ||
12229 | int shard_id = viter->first; | |
12230 | list<rgw_bi_log_entry>::iterator& liter = viter->second; | |
12231 | ||
12232 | if (liter == eiter->second){ | |
12233 | continue; | |
12234 | } | |
12235 | rgw_bi_log_entry& entry = *(liter); | |
12236 | if (has_shards) { | |
12237 | char buf[16]; | |
12238 | snprintf(buf, sizeof(buf), "%d", shard_id); | |
12239 | string tmp_id; | |
12240 | build_bucket_index_marker(buf, entry.id, &tmp_id); | |
12241 | entry.id.swap(tmp_id); | |
12242 | } | |
12243 | marker_mgr.add(shard_id, entry.id); | |
12244 | result.push_back(entry); | |
12245 | total++; | |
12246 | has_more = true; | |
12247 | ++liter; | |
12248 | } | |
12249 | } | |
12250 | ||
12251 | if (truncated) { | |
12252 | for (viter = vcurrents.begin(), eiter = vends.begin(); viter != vcurrents.end(); ++viter, ++eiter) { | |
12253 | assert (eiter != vends.end()); | |
12254 | *truncated = (*truncated || (viter->second != eiter->second)); | |
12255 | } | |
12256 | } | |
12257 | ||
12258 | // Refresh marker, if there are multiple shards, the output will look like | |
12259 | // '{shard_oid_1}#{shard_marker_1},{shard_oid_2}#{shard_marker_2}...', | |
12260 | // if there is no sharding, the simply marker (without oid) is returned | |
12261 | if (has_shards) { | |
12262 | marker_mgr.to_string(&marker); | |
12263 | } else { | |
12264 | if (!result.empty()) { | |
12265 | marker = result.rbegin()->id; | |
12266 | } | |
12267 | } | |
12268 | ||
12269 | return 0; | |
12270 | } | |
12271 | ||
12272 | int RGWRados::trim_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& start_marker, string& end_marker) | |
12273 | { | |
12274 | librados::IoCtx index_ctx; | |
12275 | map<int, string> bucket_objs; | |
31f18b77 FG |
12276 | |
12277 | BucketIndexShardsManager start_marker_mgr; | |
12278 | BucketIndexShardsManager end_marker_mgr; | |
12279 | ||
7c673cae | 12280 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); |
31f18b77 | 12281 | if (r < 0) { |
7c673cae | 12282 | return r; |
31f18b77 | 12283 | } |
7c673cae | 12284 | |
7c673cae | 12285 | r = start_marker_mgr.from_string(start_marker, shard_id); |
31f18b77 | 12286 | if (r < 0) { |
7c673cae | 12287 | return r; |
31f18b77 FG |
12288 | } |
12289 | ||
7c673cae | 12290 | r = end_marker_mgr.from_string(end_marker, shard_id); |
31f18b77 | 12291 | if (r < 0) { |
7c673cae | 12292 | return r; |
31f18b77 | 12293 | } |
7c673cae FG |
12294 | |
12295 | return CLSRGWIssueBILogTrim(index_ctx, start_marker_mgr, end_marker_mgr, bucket_objs, | |
31f18b77 FG |
12296 | cct->_conf->rgw_bucket_index_max_aio)(); |
12297 | ||
12298 | return r; | |
7c673cae FG |
12299 | } |
12300 | ||
12301 | int RGWRados::bi_get_instance(const RGWBucketInfo& bucket_info, rgw_obj& obj, rgw_bucket_dir_entry *dirent) | |
12302 | { | |
12303 | rgw_rados_ref ref; | |
12304 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
12305 | if (r < 0) { | |
12306 | return r; | |
12307 | } | |
12308 | ||
12309 | rgw_cls_bi_entry bi_entry; | |
12310 | r = bi_get(obj.bucket, obj, InstanceIdx, &bi_entry); | |
12311 | if (r < 0 && r != -ENOENT) { | |
12312 | ldout(cct, 0) << "ERROR: bi_get() returned r=" << r << dendl; | |
12313 | } | |
12314 | if (r < 0) { | |
12315 | return r; | |
12316 | } | |
12317 | bufferlist::iterator iter = bi_entry.data.begin(); | |
12318 | try { | |
12319 | ::decode(*dirent, iter); | |
12320 | } catch (buffer::error& err) { | |
12321 | ldout(cct, 0) << "ERROR: failed to decode bi_entry()" << dendl; | |
12322 | return -EIO; | |
12323 | } | |
12324 | ||
12325 | return 0; | |
12326 | } | |
12327 | ||
12328 | int RGWRados::bi_get(rgw_bucket& bucket, rgw_obj& obj, BIIndexType index_type, rgw_cls_bi_entry *entry) | |
12329 | { | |
12330 | BucketShard bs(this); | |
12331 | int ret = bs.init(bucket, obj); | |
12332 | if (ret < 0) { | |
12333 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12334 | return ret; | |
12335 | } | |
12336 | ||
12337 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
12338 | ||
12339 | ret = cls_rgw_bi_get(bs.index_ctx, bs.bucket_obj, index_type, key, entry); | |
12340 | if (ret < 0) | |
12341 | return ret; | |
12342 | ||
12343 | return 0; | |
12344 | } | |
12345 | ||
12346 | void RGWRados::bi_put(ObjectWriteOperation& op, BucketShard& bs, rgw_cls_bi_entry& entry) | |
12347 | { | |
12348 | cls_rgw_bi_put(op, bs.bucket_obj, entry); | |
12349 | } | |
12350 | ||
12351 | int RGWRados::bi_put(BucketShard& bs, rgw_cls_bi_entry& entry) | |
12352 | { | |
12353 | int ret = cls_rgw_bi_put(bs.index_ctx, bs.bucket_obj, entry); | |
12354 | if (ret < 0) | |
12355 | return ret; | |
12356 | ||
12357 | return 0; | |
12358 | } | |
12359 | ||
12360 | int RGWRados::bi_put(rgw_bucket& bucket, rgw_obj& obj, rgw_cls_bi_entry& entry) | |
12361 | { | |
12362 | BucketShard bs(this); | |
12363 | int ret = bs.init(bucket, obj); | |
12364 | if (ret < 0) { | |
12365 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12366 | return ret; | |
12367 | } | |
12368 | ||
12369 | return bi_put(bs, entry); | |
12370 | } | |
12371 | ||
12372 | 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) | |
12373 | { | |
12374 | rgw_obj obj(bucket, obj_name); | |
12375 | BucketShard bs(this); | |
12376 | int ret = bs.init(bucket, obj); | |
12377 | if (ret < 0) { | |
12378 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12379 | return ret; | |
12380 | } | |
12381 | ||
12382 | ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, obj_name, marker, max, entries, is_truncated); | |
31f18b77 FG |
12383 | if (ret == -ENOENT) { |
12384 | *is_truncated = false; | |
12385 | } | |
7c673cae FG |
12386 | if (ret < 0) |
12387 | return ret; | |
12388 | ||
12389 | return 0; | |
12390 | } | |
12391 | ||
12392 | 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) | |
12393 | { | |
12394 | int ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, filter_obj, marker, max, entries, is_truncated); | |
12395 | if (ret < 0) | |
12396 | return ret; | |
12397 | ||
12398 | return 0; | |
12399 | } | |
12400 | ||
12401 | int RGWRados::bi_remove(BucketShard& bs) | |
12402 | { | |
12403 | int ret = bs.index_ctx.remove(bs.bucket_obj); | |
12404 | if (ret == -ENOENT) { | |
12405 | ret = 0; | |
12406 | } | |
12407 | if (ret < 0) { | |
12408 | ldout(cct, 5) << "bs.index_ctx.remove(" << bs.bucket_obj << ") returned ret=" << ret << dendl; | |
12409 | return ret; | |
12410 | } | |
12411 | ||
12412 | return 0; | |
12413 | } | |
12414 | ||
12415 | 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) | |
12416 | { | |
12417 | BucketShard bs(this); | |
12418 | int ret = bs.init(bucket, shard_id); | |
12419 | if (ret < 0) { | |
12420 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
12421 | return ret; | |
12422 | } | |
12423 | ||
12424 | return bi_list(bs, filter_obj, marker, max, entries, is_truncated); | |
12425 | } | |
12426 | ||
12427 | int RGWRados::gc_operate(string& oid, librados::ObjectWriteOperation *op) | |
12428 | { | |
12429 | return gc_pool_ctx.operate(oid, op); | |
12430 | } | |
12431 | ||
12432 | int RGWRados::gc_aio_operate(string& oid, librados::ObjectWriteOperation *op) | |
12433 | { | |
12434 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12435 | int r = gc_pool_ctx.aio_operate(oid, c, op); | |
12436 | c->release(); | |
12437 | return r; | |
12438 | } | |
12439 | ||
12440 | int RGWRados::gc_operate(string& oid, librados::ObjectReadOperation *op, bufferlist *pbl) | |
12441 | { | |
12442 | return gc_pool_ctx.operate(oid, op, pbl); | |
12443 | } | |
12444 | ||
12445 | 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) | |
12446 | { | |
12447 | return gc->list(index, marker, max, expired_only, result, truncated); | |
12448 | } | |
12449 | ||
12450 | int RGWRados::process_gc() | |
12451 | { | |
12452 | return gc->process(); | |
12453 | } | |
12454 | ||
12455 | int RGWRados::list_lc_progress(const string& marker, uint32_t max_entries, map<string, int> *progress_map) | |
12456 | { | |
12457 | return lc->list_lc_progress(marker, max_entries, progress_map); | |
12458 | } | |
12459 | ||
12460 | int RGWRados::process_lc() | |
12461 | { | |
12462 | return lc->process(); | |
12463 | } | |
12464 | ||
12465 | int RGWRados::process_expire_objects() | |
12466 | { | |
12467 | obj_expirer->inspect_all_shards(utime_t(), ceph_clock_now()); | |
12468 | return 0; | |
12469 | } | |
12470 | ||
12471 | int RGWRados::cls_rgw_init_index(librados::IoCtx& index_ctx, librados::ObjectWriteOperation& op, string& oid) | |
12472 | { | |
12473 | bufferlist in; | |
12474 | cls_rgw_bucket_init(op); | |
12475 | return index_ctx.operate(oid, &op); | |
12476 | } | |
12477 | ||
12478 | int RGWRados::cls_obj_prepare_op(BucketShard& bs, RGWModifyOp op, string& tag, | |
31f18b77 | 12479 | rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *_zones_trace) |
7c673cae | 12480 | { |
31f18b77 FG |
12481 | rgw_zone_set zones_trace; |
12482 | if (_zones_trace) { | |
12483 | zones_trace = *_zones_trace; | |
12484 | } | |
12485 | else { | |
12486 | zones_trace.insert(get_zone().id); | |
12487 | } | |
12488 | ||
7c673cae FG |
12489 | ObjectWriteOperation o; |
12490 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
31f18b77 FG |
12491 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); |
12492 | cls_rgw_bucket_prepare_op(o, op, tag, key, obj.key.get_loc(), get_zone().log_data, bilog_flags, zones_trace); | |
7c673cae FG |
12493 | return bs.index_ctx.operate(bs.bucket_obj, &o); |
12494 | } | |
12495 | ||
31f18b77 | 12496 | int RGWRados::cls_obj_complete_op(BucketShard& bs, const rgw_obj& obj, RGWModifyOp op, string& tag, |
7c673cae FG |
12497 | int64_t pool, uint64_t epoch, |
12498 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
31f18b77 | 12499 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *_zones_trace) |
7c673cae | 12500 | { |
7c673cae FG |
12501 | ObjectWriteOperation o; |
12502 | rgw_bucket_dir_entry_meta dir_meta; | |
12503 | dir_meta = ent.meta; | |
12504 | dir_meta.category = category; | |
12505 | ||
12506 | rgw_bucket_entry_ver ver; | |
12507 | ver.pool = pool; | |
12508 | ver.epoch = epoch; | |
12509 | cls_rgw_obj_key key(ent.key.name, ent.key.instance); | |
31f18b77 FG |
12510 | cls_rgw_guard_bucket_resharding(o, -ERR_BUSY_RESHARDING); |
12511 | cls_rgw_bucket_complete_op(o, op, tag, ver, key, dir_meta, remove_objs, | |
12512 | get_zone().log_data, bilog_flags, _zones_trace); | |
12513 | complete_op_data *arg; | |
12514 | index_completion_manager->create_completion(obj, op, tag, ver, key, dir_meta, remove_objs, | |
12515 | get_zone().log_data, bilog_flags, _zones_trace, &arg); | |
12516 | librados::AioCompletion *completion = arg->rados_completion; | |
12517 | int ret = bs.index_ctx.aio_operate(bs.bucket_obj, arg->rados_completion, &o); | |
12518 | completion->release(); /* can't reference arg here, as it might have already been released */ | |
7c673cae FG |
12519 | return ret; |
12520 | } | |
12521 | ||
31f18b77 | 12522 | int RGWRados::cls_obj_complete_add(BucketShard& bs, const rgw_obj& obj, string& tag, |
7c673cae FG |
12523 | int64_t pool, uint64_t epoch, |
12524 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
31f18b77 | 12525 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags, rgw_zone_set *zones_trace) |
7c673cae | 12526 | { |
31f18b77 | 12527 | return cls_obj_complete_op(bs, obj, CLS_RGW_OP_ADD, tag, pool, epoch, ent, category, remove_objs, bilog_flags, zones_trace); |
7c673cae FG |
12528 | } |
12529 | ||
12530 | int RGWRados::cls_obj_complete_del(BucketShard& bs, string& tag, | |
12531 | int64_t pool, uint64_t epoch, | |
12532 | rgw_obj& obj, | |
12533 | real_time& removed_mtime, | |
12534 | list<rgw_obj_index_key> *remove_objs, | |
31f18b77 FG |
12535 | uint16_t bilog_flags, |
12536 | rgw_zone_set *zones_trace) | |
7c673cae FG |
12537 | { |
12538 | rgw_bucket_dir_entry ent; | |
12539 | ent.meta.mtime = removed_mtime; | |
12540 | obj.key.get_index_key(&ent.key); | |
31f18b77 | 12541 | 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 |
12542 | } |
12543 | ||
31f18b77 | 12544 | int RGWRados::cls_obj_complete_cancel(BucketShard& bs, string& tag, rgw_obj& obj, uint16_t bilog_flags, rgw_zone_set *zones_trace) |
7c673cae FG |
12545 | { |
12546 | rgw_bucket_dir_entry ent; | |
12547 | obj.key.get_index_key(&ent.key); | |
31f18b77 | 12548 | 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 |
12549 | } |
12550 | ||
12551 | int RGWRados::cls_obj_set_bucket_tag_timeout(RGWBucketInfo& bucket_info, uint64_t timeout) | |
12552 | { | |
12553 | librados::IoCtx index_ctx; | |
12554 | map<int, string> bucket_objs; | |
12555 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
12556 | if (r < 0) | |
12557 | return r; | |
12558 | ||
12559 | return CLSRGWIssueSetTagTimeout(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio, timeout)(); | |
12560 | } | |
12561 | ||
12562 | int RGWRados::cls_bucket_list(RGWBucketInfo& bucket_info, int shard_id, rgw_obj_index_key& start, const string& prefix, | |
12563 | uint32_t num_entries, bool list_versions, map<string, rgw_bucket_dir_entry>& m, | |
12564 | bool *is_truncated, rgw_obj_index_key *last_entry, | |
12565 | bool (*force_check_filter)(const string& name)) | |
12566 | { | |
12567 | ldout(cct, 10) << "cls_bucket_list " << bucket_info.bucket << " start " << start.name << "[" << start.instance << "] num_entries " << num_entries << dendl; | |
12568 | ||
12569 | librados::IoCtx index_ctx; | |
12570 | // key - oid (for different shards if there is any) | |
12571 | // value - list result for the corresponding oid (shard), it is filled by the AIO callback | |
12572 | map<int, string> oids; | |
12573 | map<int, struct rgw_cls_list_ret> list_results; | |
12574 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id); | |
12575 | if (r < 0) | |
12576 | return r; | |
12577 | ||
12578 | cls_rgw_obj_key start_key(start.name, start.instance); | |
12579 | r = CLSRGWIssueBucketList(index_ctx, start_key, prefix, num_entries, list_versions, | |
12580 | oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12581 | if (r < 0) | |
12582 | return r; | |
12583 | ||
12584 | // Create a list of iterators that are used to iterate each shard | |
12585 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vcurrents(list_results.size()); | |
12586 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vends(list_results.size()); | |
12587 | vector<string> vnames(list_results.size()); | |
12588 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12589 | *is_truncated = false; | |
12590 | for (; iter != list_results.end(); ++iter) { | |
12591 | vcurrents.push_back(iter->second.dir.m.begin()); | |
12592 | vends.push_back(iter->second.dir.m.end()); | |
12593 | vnames.push_back(oids[iter->first]); | |
12594 | *is_truncated = (*is_truncated || iter->second.is_truncated); | |
12595 | } | |
12596 | ||
12597 | // Create a map to track the next candidate entry from each shard, if the entry | |
12598 | // from a specified shard is selected/erased, the next entry from that shard will | |
12599 | // be inserted for next round selection | |
12600 | map<string, size_t> candidates; | |
12601 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12602 | if (vcurrents[i] != vends[i]) { | |
12603 | candidates[vcurrents[i]->first] = i; | |
12604 | } | |
12605 | } | |
12606 | ||
12607 | map<string, bufferlist> updates; | |
12608 | uint32_t count = 0; | |
12609 | while (count < num_entries && !candidates.empty()) { | |
12610 | r = 0; | |
12611 | // Select the next one | |
12612 | int pos = candidates.begin()->second; | |
12613 | const string& name = vcurrents[pos]->first; | |
12614 | struct rgw_bucket_dir_entry& dirent = vcurrents[pos]->second; | |
12615 | ||
12616 | bool force_check = force_check_filter && force_check_filter(dirent.key.name); | |
12617 | if ((!dirent.exists && !dirent.is_delete_marker()) || !dirent.pending_map.empty() || force_check) { | |
12618 | /* there are uncommitted ops. We need to check the current state, | |
12619 | * and if the tags are old we need to do cleanup as well. */ | |
12620 | librados::IoCtx sub_ctx; | |
12621 | sub_ctx.dup(index_ctx); | |
12622 | r = check_disk_state(sub_ctx, bucket_info, dirent, dirent, updates[vnames[pos]]); | |
12623 | if (r < 0 && r != -ENOENT) { | |
12624 | return r; | |
12625 | } | |
12626 | } | |
12627 | if (r >= 0) { | |
12628 | ldout(cct, 10) << "RGWRados::cls_bucket_list: got " << dirent.key.name << "[" << dirent.key.instance << "]" << dendl; | |
12629 | m[name] = std::move(dirent); | |
12630 | ++count; | |
12631 | } | |
12632 | ||
12633 | // Refresh the candidates map | |
12634 | candidates.erase(candidates.begin()); | |
12635 | ++vcurrents[pos]; | |
12636 | if (vcurrents[pos] != vends[pos]) { | |
12637 | candidates[vcurrents[pos]->first] = pos; | |
12638 | } | |
12639 | } | |
12640 | ||
12641 | // Suggest updates if there is any | |
12642 | map<string, bufferlist>::iterator miter = updates.begin(); | |
12643 | for (; miter != updates.end(); ++miter) { | |
12644 | if (miter->second.length()) { | |
12645 | ObjectWriteOperation o; | |
12646 | cls_rgw_suggest_changes(o, miter->second); | |
12647 | // we don't care if we lose suggested updates, send them off blindly | |
12648 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12649 | index_ctx.aio_operate(miter->first, c, &o); | |
12650 | c->release(); | |
12651 | } | |
12652 | } | |
12653 | ||
12654 | // Check if all the returned entries are consumed or not | |
12655 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12656 | if (vcurrents[i] != vends[i]) | |
12657 | *is_truncated = true; | |
12658 | } | |
12659 | if (!m.empty()) | |
12660 | *last_entry = m.rbegin()->first; | |
12661 | ||
12662 | return 0; | |
12663 | } | |
12664 | ||
12665 | int RGWRados::cls_obj_usage_log_add(const string& oid, rgw_usage_log_info& info) | |
12666 | { | |
12667 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12668 | ||
12669 | rgw_rados_ref ref; | |
12670 | rgw_pool pool; | |
12671 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12672 | if (r < 0) { | |
12673 | return r; | |
12674 | } | |
12675 | ||
12676 | ObjectWriteOperation op; | |
12677 | cls_rgw_usage_log_add(op, info); | |
12678 | ||
12679 | r = ref.ioctx.operate(ref.oid, &op); | |
12680 | return r; | |
12681 | } | |
12682 | ||
12683 | int RGWRados::cls_obj_usage_log_read(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
12684 | string& read_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage, bool *is_truncated) | |
12685 | { | |
12686 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12687 | ||
12688 | rgw_rados_ref ref; | |
12689 | rgw_pool pool; | |
12690 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12691 | if (r < 0) { | |
12692 | return r; | |
12693 | } | |
12694 | ||
12695 | *is_truncated = false; | |
12696 | ||
12697 | r = cls_rgw_usage_log_read(ref.ioctx, ref.oid, user, start_epoch, end_epoch, | |
12698 | max_entries, read_iter, usage, is_truncated); | |
12699 | ||
12700 | return r; | |
12701 | } | |
12702 | ||
12703 | int RGWRados::cls_obj_usage_log_trim(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch) | |
12704 | { | |
12705 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12706 | ||
12707 | rgw_rados_ref ref; | |
12708 | rgw_pool pool; | |
12709 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12710 | if (r < 0) { | |
12711 | return r; | |
12712 | } | |
12713 | ||
12714 | ObjectWriteOperation op; | |
12715 | cls_rgw_usage_log_trim(op, user, start_epoch, end_epoch); | |
12716 | ||
12717 | r = ref.ioctx.operate(ref.oid, &op); | |
12718 | return r; | |
12719 | } | |
12720 | ||
12721 | int RGWRados::remove_objs_from_index(RGWBucketInfo& bucket_info, list<rgw_obj_index_key>& oid_list) | |
12722 | { | |
12723 | librados::IoCtx index_ctx; | |
12724 | string dir_oid; | |
12725 | ||
12726 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12727 | ||
12728 | int r = open_bucket_index(bucket_info, index_ctx, dir_oid); | |
12729 | if (r < 0) | |
12730 | return r; | |
12731 | ||
12732 | bufferlist updates; | |
12733 | ||
12734 | for (auto iter = oid_list.begin(); iter != oid_list.end(); ++iter) { | |
12735 | rgw_bucket_dir_entry entry; | |
12736 | entry.key = *iter; | |
12737 | dout(2) << "RGWRados::remove_objs_from_index bucket=" << bucket_info.bucket << " obj=" << entry.key.name << ":" << entry.key.instance << dendl; | |
12738 | entry.ver.epoch = (uint64_t)-1; // ULLONG_MAX, needed to that objclass doesn't skip out request | |
12739 | updates.append(CEPH_RGW_REMOVE | suggest_flag); | |
12740 | ::encode(entry, updates); | |
12741 | } | |
12742 | ||
12743 | bufferlist out; | |
12744 | ||
12745 | r = index_ctx.exec(dir_oid, RGW_CLASS, RGW_DIR_SUGGEST_CHANGES, updates, out); | |
12746 | ||
12747 | return r; | |
12748 | } | |
12749 | ||
12750 | int RGWRados::check_disk_state(librados::IoCtx io_ctx, | |
12751 | const RGWBucketInfo& bucket_info, | |
12752 | rgw_bucket_dir_entry& list_state, | |
12753 | rgw_bucket_dir_entry& object, | |
12754 | bufferlist& suggested_updates) | |
12755 | { | |
12756 | const rgw_bucket& bucket = bucket_info.bucket; | |
12757 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12758 | ||
12759 | std::string loc; | |
12760 | ||
12761 | rgw_obj obj(bucket, list_state.key); | |
12762 | ||
12763 | string oid; | |
12764 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
12765 | ||
12766 | if (loc != list_state.locator) { | |
12767 | ldout(cct, 0) << "WARNING: generated locator (" << loc << ") is different from listed locator (" << list_state.locator << ")" << dendl; | |
12768 | } | |
12769 | ||
12770 | io_ctx.locator_set_key(list_state.locator); | |
12771 | ||
12772 | RGWObjState *astate = NULL; | |
12773 | RGWObjectCtx rctx(this); | |
12774 | int r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
12775 | if (r < 0) | |
12776 | return r; | |
12777 | ||
12778 | list_state.pending_map.clear(); // we don't need this and it inflates size | |
12779 | if (!astate->exists) { | |
12780 | /* object doesn't exist right now -- hopefully because it's | |
12781 | * marked as !exists and got deleted */ | |
12782 | if (list_state.exists) { | |
12783 | /* FIXME: what should happen now? Work out if there are any | |
12784 | * non-bad ways this could happen (there probably are, but annoying | |
12785 | * to handle!) */ | |
12786 | } | |
12787 | // encode a suggested removal of that key | |
12788 | list_state.ver.epoch = io_ctx.get_last_version(); | |
12789 | list_state.ver.pool = io_ctx.get_id(); | |
12790 | cls_rgw_encode_suggestion(CEPH_RGW_REMOVE, list_state, suggested_updates); | |
12791 | return -ENOENT; | |
12792 | } | |
12793 | ||
12794 | string etag; | |
12795 | string content_type; | |
12796 | ACLOwner owner; | |
12797 | ||
12798 | object.meta.size = astate->size; | |
12799 | object.meta.accounted_size = astate->accounted_size; | |
12800 | object.meta.mtime = astate->mtime; | |
12801 | ||
12802 | map<string, bufferlist>::iterator iter = astate->attrset.find(RGW_ATTR_ETAG); | |
12803 | if (iter != astate->attrset.end()) { | |
12804 | etag = iter->second.c_str(); | |
12805 | } | |
12806 | iter = astate->attrset.find(RGW_ATTR_CONTENT_TYPE); | |
12807 | if (iter != astate->attrset.end()) { | |
12808 | content_type = iter->second.c_str(); | |
12809 | } | |
12810 | iter = astate->attrset.find(RGW_ATTR_ACL); | |
12811 | if (iter != astate->attrset.end()) { | |
12812 | r = decode_policy(iter->second, &owner); | |
12813 | if (r < 0) { | |
12814 | dout(0) << "WARNING: could not decode policy for object: " << obj << dendl; | |
12815 | } | |
12816 | } | |
12817 | ||
12818 | if (astate->has_manifest) { | |
12819 | RGWObjManifest::obj_iterator miter; | |
12820 | RGWObjManifest& manifest = astate->manifest; | |
12821 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
12822 | const rgw_raw_obj& raw_loc = miter.get_location().get_raw_obj(this); | |
12823 | rgw_obj loc; | |
12824 | rgw_raw_obj_to_obj(manifest.get_obj().bucket, raw_loc, &loc); | |
12825 | ||
12826 | if (loc.key.ns == RGW_OBJ_NS_MULTIPART) { | |
12827 | dout(10) << "check_disk_state(): removing manifest part from index: " << loc << dendl; | |
12828 | r = delete_obj_index(loc); | |
12829 | if (r < 0) { | |
12830 | dout(0) << "WARNING: delete_obj_index() returned r=" << r << dendl; | |
12831 | } | |
12832 | } | |
12833 | } | |
12834 | } | |
12835 | ||
12836 | object.meta.etag = etag; | |
12837 | object.meta.content_type = content_type; | |
12838 | object.meta.owner = owner.get_id().to_str(); | |
12839 | object.meta.owner_display_name = owner.get_display_name(); | |
12840 | ||
12841 | // encode suggested updates | |
12842 | list_state.ver.pool = io_ctx.get_id(); | |
12843 | list_state.ver.epoch = astate->epoch; | |
12844 | list_state.meta.size = object.meta.size; | |
12845 | list_state.meta.accounted_size = object.meta.accounted_size; | |
12846 | list_state.meta.mtime = object.meta.mtime; | |
12847 | list_state.meta.category = main_category; | |
12848 | list_state.meta.etag = etag; | |
12849 | list_state.meta.content_type = content_type; | |
12850 | if (astate->obj_tag.length() > 0) | |
12851 | list_state.tag = astate->obj_tag.c_str(); | |
12852 | list_state.meta.owner = owner.get_id().to_str(); | |
12853 | list_state.meta.owner_display_name = owner.get_display_name(); | |
12854 | ||
12855 | list_state.exists = true; | |
12856 | cls_rgw_encode_suggestion(CEPH_RGW_UPDATE | suggest_flag, list_state, suggested_updates); | |
12857 | return 0; | |
12858 | } | |
12859 | ||
12860 | 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) | |
12861 | { | |
12862 | librados::IoCtx index_ctx; | |
12863 | map<int, string> oids; | |
12864 | map<int, struct rgw_cls_list_ret> list_results; | |
12865 | int r = open_bucket_index(bucket_info, index_ctx, oids, list_results, shard_id, bucket_instance_ids); | |
12866 | if (r < 0) | |
12867 | return r; | |
12868 | ||
12869 | r = CLSRGWIssueGetDirHeader(index_ctx, oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12870 | if (r < 0) | |
12871 | return r; | |
12872 | ||
12873 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12874 | for(; iter != list_results.end(); ++iter) { | |
12875 | headers[oids[iter->first]] = iter->second.dir.header; | |
12876 | } | |
12877 | return 0; | |
12878 | } | |
12879 | ||
12880 | int RGWRados::cls_bucket_head_async(const RGWBucketInfo& bucket_info, int shard_id, RGWGetDirHeader_CB *ctx, int *num_aio) | |
12881 | { | |
12882 | librados::IoCtx index_ctx; | |
12883 | map<int, string> bucket_objs; | |
12884 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); | |
12885 | if (r < 0) | |
12886 | return r; | |
12887 | ||
12888 | map<int, string>::iterator iter = bucket_objs.begin(); | |
12889 | for (; iter != bucket_objs.end(); ++iter) { | |
12890 | r = cls_rgw_get_dir_header_async(index_ctx, iter->second, static_cast<RGWGetDirHeader_CB*>(ctx->get())); | |
12891 | if (r < 0) { | |
12892 | ctx->put(); | |
12893 | break; | |
12894 | } else { | |
12895 | (*num_aio)++; | |
12896 | } | |
12897 | } | |
12898 | return r; | |
12899 | } | |
12900 | ||
12901 | int RGWRados::cls_user_get_header(const string& user_id, cls_user_header *header) | |
12902 | { | |
12903 | string buckets_obj_id; | |
12904 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12905 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12906 | ||
12907 | rgw_rados_ref ref; | |
12908 | rgw_pool pool; | |
12909 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12910 | if (r < 0) { | |
12911 | return r; | |
12912 | } | |
12913 | ||
12914 | librados::ObjectReadOperation op; | |
12915 | int rc; | |
12916 | ::cls_user_get_header(op, header, &rc); | |
12917 | bufferlist ibl; | |
12918 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
12919 | if (r < 0) | |
12920 | return r; | |
12921 | if (rc < 0) | |
12922 | return rc; | |
12923 | ||
12924 | return 0; | |
12925 | } | |
12926 | ||
12927 | int RGWRados::cls_user_get_header_async(const string& user_id, RGWGetUserHeader_CB *ctx) | |
12928 | { | |
12929 | string buckets_obj_id; | |
12930 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12931 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12932 | ||
12933 | rgw_rados_ref ref; | |
12934 | rgw_pool pool; | |
12935 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12936 | if (r < 0) { | |
12937 | return r; | |
12938 | } | |
12939 | ||
12940 | r = ::cls_user_get_header_async(ref.ioctx, ref.oid, ctx); | |
12941 | if (r < 0) | |
12942 | return r; | |
12943 | ||
12944 | return 0; | |
12945 | } | |
12946 | ||
12947 | int RGWRados::cls_user_sync_bucket_stats(rgw_raw_obj& user_obj, const RGWBucketInfo& bucket_info) | |
12948 | { | |
12949 | map<string, struct rgw_bucket_dir_header> headers; | |
12950 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
12951 | if (r < 0) { | |
12952 | ldout(cct, 20) << "cls_bucket_header() returned " << r << dendl; | |
12953 | return r; | |
12954 | } | |
12955 | ||
12956 | cls_user_bucket_entry entry; | |
12957 | ||
12958 | bucket_info.bucket.convert(&entry.bucket); | |
12959 | ||
12960 | map<string, struct rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
12961 | for (; hiter != headers.end(); ++hiter) { | |
12962 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = hiter->second.stats.begin(); | |
12963 | for (; iter != hiter->second.stats.end(); ++iter) { | |
12964 | struct rgw_bucket_category_stats& header_stats = iter->second; | |
12965 | entry.size += header_stats.total_size; | |
12966 | entry.size_rounded += header_stats.total_size_rounded; | |
12967 | entry.count += header_stats.num_entries; | |
12968 | } | |
12969 | } | |
12970 | ||
12971 | list<cls_user_bucket_entry> entries; | |
12972 | entries.push_back(entry); | |
12973 | ||
12974 | r = cls_user_update_buckets(user_obj, entries, false); | |
12975 | if (r < 0) { | |
12976 | ldout(cct, 20) << "cls_user_update_buckets() returned " << r << dendl; | |
12977 | return r; | |
12978 | } | |
12979 | ||
12980 | return 0; | |
12981 | } | |
12982 | ||
12983 | int RGWRados::cls_user_list_buckets(rgw_raw_obj& obj, | |
12984 | const string& in_marker, | |
12985 | const string& end_marker, | |
12986 | const int max_entries, | |
12987 | list<cls_user_bucket_entry>& entries, | |
12988 | string * const out_marker, | |
12989 | bool * const truncated) | |
12990 | { | |
12991 | rgw_rados_ref ref; | |
12992 | rgw_pool pool; | |
12993 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12994 | if (r < 0) { | |
12995 | return r; | |
12996 | } | |
12997 | ||
12998 | librados::ObjectReadOperation op; | |
12999 | int rc; | |
13000 | ||
13001 | cls_user_bucket_list(op, in_marker, end_marker, max_entries, entries, out_marker, truncated, &rc); | |
13002 | bufferlist ibl; | |
13003 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
13004 | if (r < 0) | |
13005 | return r; | |
13006 | if (rc < 0) | |
13007 | return rc; | |
13008 | ||
13009 | return 0; | |
13010 | } | |
13011 | ||
13012 | int RGWRados::cls_user_update_buckets(rgw_raw_obj& obj, list<cls_user_bucket_entry>& entries, bool add) | |
13013 | { | |
13014 | rgw_rados_ref ref; | |
13015 | rgw_pool pool; | |
13016 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
13017 | if (r < 0) { | |
13018 | return r; | |
13019 | } | |
13020 | ||
13021 | librados::ObjectWriteOperation op; | |
13022 | cls_user_set_buckets(op, entries, add); | |
13023 | r = ref.ioctx.operate(ref.oid, &op); | |
13024 | if (r < 0) | |
13025 | return r; | |
13026 | ||
13027 | return 0; | |
13028 | } | |
13029 | ||
13030 | int RGWRados::complete_sync_user_stats(const rgw_user& user_id) | |
13031 | { | |
13032 | string buckets_obj_id; | |
13033 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
13034 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
13035 | return cls_user_complete_stats_sync(obj); | |
13036 | } | |
13037 | ||
13038 | int RGWRados::cls_user_complete_stats_sync(rgw_raw_obj& obj) | |
13039 | { | |
13040 | rgw_rados_ref ref; | |
13041 | rgw_pool pool; | |
13042 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
13043 | if (r < 0) { | |
13044 | return r; | |
13045 | } | |
13046 | ||
13047 | librados::ObjectWriteOperation op; | |
13048 | ::cls_user_complete_stats_sync(op); | |
13049 | r = ref.ioctx.operate(ref.oid, &op); | |
13050 | if (r < 0) | |
13051 | return r; | |
13052 | ||
13053 | return 0; | |
13054 | } | |
13055 | ||
13056 | int RGWRados::cls_user_add_bucket(rgw_raw_obj& obj, const cls_user_bucket_entry& entry) | |
13057 | { | |
13058 | list<cls_user_bucket_entry> l; | |
13059 | l.push_back(entry); | |
13060 | ||
13061 | return cls_user_update_buckets(obj, l, true); | |
13062 | } | |
13063 | ||
13064 | int RGWRados::cls_user_remove_bucket(rgw_raw_obj& obj, const cls_user_bucket& bucket) | |
13065 | { | |
13066 | rgw_pool p; | |
13067 | rgw_rados_ref ref; | |
13068 | int r = get_system_obj_ref(obj, &ref, &p); | |
13069 | if (r < 0) { | |
13070 | return r; | |
13071 | } | |
13072 | ||
13073 | librados::ObjectWriteOperation op; | |
13074 | ::cls_user_remove_bucket(op, bucket); | |
13075 | r = ref.ioctx.operate(ref.oid, &op); | |
13076 | if (r < 0) | |
13077 | return r; | |
13078 | ||
13079 | return 0; | |
13080 | } | |
13081 | ||
31f18b77 FG |
13082 | int RGWRados::check_bucket_shards(const RGWBucketInfo& bucket_info, rgw_bucket& bucket, |
13083 | RGWQuotaInfo& bucket_quota) | |
13084 | { | |
13085 | if (!cct->_conf->rgw_dynamic_resharding) { | |
13086 | return 0; | |
13087 | } | |
13088 | ||
13089 | bool need_resharding = false; | |
13090 | int num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1); | |
13091 | uint32_t suggested_num_shards; | |
13092 | ||
13093 | int ret = quota_handler->check_bucket_shards((uint64_t)cct->_conf->rgw_max_objs_per_shard, | |
13094 | num_source_shards, bucket_info.owner, bucket, bucket_quota, | |
13095 | 1, need_resharding, &suggested_num_shards); | |
13096 | if (ret < 0) { | |
13097 | return ret; | |
13098 | } | |
13099 | ||
13100 | if (need_resharding) { | |
13101 | return add_bucket_to_reshard(bucket_info, suggested_num_shards); | |
13102 | } | |
13103 | ||
13104 | return ret; | |
13105 | } | |
13106 | ||
13107 | int RGWRados::add_bucket_to_reshard(const RGWBucketInfo& bucket_info, uint32_t new_num_shards) | |
13108 | { | |
13109 | RGWReshard reshard(this); | |
13110 | ||
13111 | uint32_t num_source_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1); | |
13112 | ||
13113 | new_num_shards = min(new_num_shards, get_max_bucket_shards()); | |
13114 | if (new_num_shards <= num_source_shards) { | |
13115 | ldout(cct, 20) << "not resharding bucket name=" << bucket_info.bucket.name << ", orig_num=" << num_source_shards << ", new_num_shards=" << new_num_shards << dendl; | |
13116 | return 0; | |
13117 | } | |
13118 | ||
13119 | cls_rgw_reshard_entry entry; | |
13120 | entry.time = real_clock::now(); | |
13121 | entry.tenant = bucket_info.owner.tenant; | |
13122 | entry.bucket_name = bucket_info.bucket.name; | |
13123 | entry.bucket_id = bucket_info.bucket.bucket_id; | |
13124 | entry.old_num_shards = num_source_shards; | |
13125 | entry.new_num_shards = new_num_shards; | |
13126 | ||
13127 | return reshard.add(entry); | |
13128 | } | |
13129 | ||
7c673cae FG |
13130 | int RGWRados::check_quota(const rgw_user& bucket_owner, rgw_bucket& bucket, |
13131 | RGWQuotaInfo& user_quota, RGWQuotaInfo& bucket_quota, uint64_t obj_size) | |
13132 | { | |
13133 | return quota_handler->check_quota(bucket_owner, bucket, user_quota, bucket_quota, 1, obj_size); | |
13134 | } | |
13135 | ||
13136 | void RGWRados::get_bucket_index_objects(const string& bucket_oid_base, | |
13137 | uint32_t num_shards, map<int, string>& bucket_objects, int shard_id) | |
13138 | { | |
13139 | if (!num_shards) { | |
13140 | bucket_objects[0] = bucket_oid_base; | |
13141 | } else { | |
13142 | char buf[bucket_oid_base.size() + 32]; | |
13143 | if (shard_id < 0) { | |
13144 | for (uint32_t i = 0; i < num_shards; ++i) { | |
13145 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), i); | |
13146 | bucket_objects[i] = buf; | |
13147 | } | |
13148 | } else { | |
13149 | if ((uint32_t)shard_id > num_shards) { | |
13150 | return; | |
13151 | } | |
13152 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
13153 | bucket_objects[shard_id] = buf; | |
13154 | } | |
13155 | } | |
13156 | } | |
13157 | ||
13158 | void RGWRados::get_bucket_instance_ids(const RGWBucketInfo& bucket_info, int shard_id, map<int, string> *result) | |
13159 | { | |
13160 | const rgw_bucket& bucket = bucket_info.bucket; | |
13161 | string plain_id = bucket.name + ":" + bucket.bucket_id; | |
13162 | if (!bucket_info.num_shards) { | |
13163 | (*result)[0] = plain_id; | |
13164 | } else { | |
13165 | char buf[16]; | |
13166 | if (shard_id < 0) { | |
13167 | for (uint32_t i = 0; i < bucket_info.num_shards; ++i) { | |
13168 | snprintf(buf, sizeof(buf), ":%d", i); | |
13169 | (*result)[i] = plain_id + buf; | |
13170 | } | |
13171 | } else { | |
13172 | if ((uint32_t)shard_id > bucket_info.num_shards) { | |
13173 | return; | |
13174 | } | |
13175 | snprintf(buf, sizeof(buf), ":%d", shard_id); | |
13176 | (*result)[shard_id] = plain_id + buf; | |
13177 | } | |
13178 | } | |
13179 | } | |
13180 | ||
13181 | int RGWRados::get_target_shard_id(const RGWBucketInfo& bucket_info, const string& obj_key, | |
13182 | int *shard_id) | |
13183 | { | |
13184 | int r = 0; | |
13185 | switch (bucket_info.bucket_index_shard_hash_type) { | |
13186 | case RGWBucketInfo::MOD: | |
13187 | if (!bucket_info.num_shards) { | |
13188 | if (shard_id) { | |
13189 | *shard_id = -1; | |
13190 | } | |
13191 | } else { | |
13192 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
13193 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 | 13194 | sid = rgw_shards_mod(sid2, bucket_info.num_shards); |
7c673cae FG |
13195 | if (shard_id) { |
13196 | *shard_id = (int)sid; | |
13197 | } | |
13198 | } | |
13199 | break; | |
13200 | default: | |
13201 | r = -ENOTSUP; | |
13202 | } | |
13203 | return r; | |
13204 | } | |
13205 | ||
13206 | void RGWRados::get_bucket_index_object(const string& bucket_oid_base, uint32_t num_shards, | |
13207 | int shard_id, string *bucket_obj) | |
13208 | { | |
13209 | if (!num_shards) { | |
13210 | // By default with no sharding, we use the bucket oid as itself | |
13211 | (*bucket_obj) = bucket_oid_base; | |
13212 | } else { | |
13213 | char buf[bucket_oid_base.size() + 32]; | |
13214 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
13215 | (*bucket_obj) = buf; | |
13216 | } | |
13217 | } | |
13218 | ||
13219 | int RGWRados::get_bucket_index_object(const string& bucket_oid_base, const string& obj_key, | |
13220 | uint32_t num_shards, RGWBucketInfo::BIShardsHashType hash_type, string *bucket_obj, int *shard_id) | |
13221 | { | |
13222 | int r = 0; | |
13223 | switch (hash_type) { | |
13224 | case RGWBucketInfo::MOD: | |
13225 | if (!num_shards) { | |
13226 | // By default with no sharding, we use the bucket oid as itself | |
13227 | (*bucket_obj) = bucket_oid_base; | |
13228 | if (shard_id) { | |
13229 | *shard_id = -1; | |
13230 | } | |
13231 | } else { | |
13232 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
13233 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
31f18b77 | 13234 | sid = rgw_shards_mod(sid2, num_shards); |
7c673cae FG |
13235 | char buf[bucket_oid_base.size() + 32]; |
13236 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), sid); | |
13237 | (*bucket_obj) = buf; | |
13238 | if (shard_id) { | |
13239 | *shard_id = (int)sid; | |
13240 | } | |
13241 | } | |
13242 | break; | |
13243 | default: | |
13244 | r = -ENOTSUP; | |
13245 | } | |
13246 | return r; | |
13247 | } | |
13248 | ||
13249 | void RGWStateLog::oid_str(int shard, string& oid) { | |
13250 | oid = RGW_STATELOG_OBJ_PREFIX + module_name + "."; | |
13251 | char buf[16]; | |
13252 | snprintf(buf, sizeof(buf), "%d", shard); | |
13253 | oid += buf; | |
13254 | } | |
13255 | ||
13256 | int RGWStateLog::get_shard_num(const string& object) { | |
13257 | uint32_t val = ceph_str_hash_linux(object.c_str(), object.length()); | |
13258 | return val % num_shards; | |
13259 | } | |
13260 | ||
13261 | string RGWStateLog::get_oid(const string& object) { | |
13262 | int shard = get_shard_num(object); | |
13263 | string oid; | |
13264 | oid_str(shard, oid); | |
13265 | return oid; | |
13266 | } | |
13267 | ||
13268 | int RGWStateLog::open_ioctx(librados::IoCtx& ioctx) { | |
13269 | rgw_pool pool; | |
13270 | store->get_log_pool(pool); | |
13271 | int r = rgw_init_ioctx(store->get_rados_handle(), pool, ioctx); | |
13272 | if (r < 0) { | |
13273 | lderr(store->ctx()) << "ERROR: could not open rados pool" << dendl; | |
13274 | return r; | |
13275 | } | |
13276 | return 0; | |
13277 | } | |
13278 | ||
13279 | int RGWStateLog::store_entry(const string& client_id, const string& op_id, const string& object, | |
13280 | uint32_t state, bufferlist *bl, uint32_t *check_state) | |
13281 | { | |
13282 | if (client_id.empty() || | |
13283 | op_id.empty() || | |
13284 | object.empty()) { | |
13285 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
13286 | } | |
13287 | ||
13288 | librados::IoCtx ioctx; | |
13289 | int r = open_ioctx(ioctx); | |
13290 | if (r < 0) | |
13291 | return r; | |
13292 | ||
13293 | string oid = get_oid(object); | |
13294 | ||
13295 | librados::ObjectWriteOperation op; | |
13296 | if (check_state) { | |
13297 | cls_statelog_check_state(op, client_id, op_id, object, *check_state); | |
13298 | } | |
13299 | utime_t ts = ceph_clock_now(); | |
13300 | bufferlist nobl; | |
13301 | cls_statelog_add(op, client_id, op_id, object, ts, state, (bl ? *bl : nobl)); | |
13302 | r = ioctx.operate(oid, &op); | |
13303 | if (r < 0) { | |
13304 | return r; | |
13305 | } | |
13306 | ||
13307 | return 0; | |
13308 | } | |
13309 | ||
13310 | int RGWStateLog::remove_entry(const string& client_id, const string& op_id, const string& object) | |
13311 | { | |
13312 | if (client_id.empty() || | |
13313 | op_id.empty() || | |
13314 | object.empty()) { | |
13315 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
13316 | } | |
13317 | ||
13318 | librados::IoCtx ioctx; | |
13319 | int r = open_ioctx(ioctx); | |
13320 | if (r < 0) | |
13321 | return r; | |
13322 | ||
13323 | string oid = get_oid(object); | |
13324 | ||
13325 | librados::ObjectWriteOperation op; | |
13326 | cls_statelog_remove_by_object(op, object, op_id); | |
13327 | r = ioctx.operate(oid, &op); | |
13328 | if (r < 0) { | |
13329 | return r; | |
13330 | } | |
13331 | ||
13332 | return 0; | |
13333 | } | |
13334 | ||
13335 | void RGWStateLog::init_list_entries(const string& client_id, const string& op_id, const string& object, | |
13336 | void **handle) | |
13337 | { | |
13338 | list_state *state = new list_state; | |
13339 | state->client_id = client_id; | |
13340 | state->op_id = op_id; | |
13341 | state->object = object; | |
13342 | if (object.empty()) { | |
13343 | state->cur_shard = 0; | |
13344 | state->max_shard = num_shards - 1; | |
13345 | } else { | |
13346 | state->cur_shard = state->max_shard = get_shard_num(object); | |
13347 | } | |
13348 | *handle = (void *)state; | |
13349 | } | |
13350 | ||
13351 | int RGWStateLog::list_entries(void *handle, int max_entries, | |
13352 | list<cls_statelog_entry>& entries, | |
13353 | bool *done) | |
13354 | { | |
13355 | list_state *state = static_cast<list_state *>(handle); | |
13356 | ||
13357 | librados::IoCtx ioctx; | |
13358 | int r = open_ioctx(ioctx); | |
13359 | if (r < 0) | |
13360 | return r; | |
13361 | ||
13362 | entries.clear(); | |
13363 | ||
13364 | for (; state->cur_shard <= state->max_shard && max_entries > 0; ++state->cur_shard) { | |
13365 | string oid; | |
13366 | oid_str(state->cur_shard, oid); | |
13367 | ||
13368 | librados::ObjectReadOperation op; | |
13369 | list<cls_statelog_entry> ents; | |
13370 | bool truncated; | |
13371 | cls_statelog_list(op, state->client_id, state->op_id, state->object, state->marker, | |
13372 | max_entries, ents, &state->marker, &truncated); | |
13373 | bufferlist ibl; | |
13374 | r = ioctx.operate(oid, &op, &ibl); | |
13375 | if (r == -ENOENT) { | |
13376 | truncated = false; | |
13377 | r = 0; | |
13378 | } | |
13379 | if (r < 0) { | |
13380 | ldout(store->ctx(), 0) << "cls_statelog_list returned " << r << dendl; | |
13381 | return r; | |
13382 | } | |
13383 | ||
13384 | if (!truncated) { | |
13385 | state->marker.clear(); | |
13386 | } | |
13387 | ||
13388 | max_entries -= ents.size(); | |
13389 | ||
13390 | entries.splice(entries.end(), ents); | |
13391 | ||
13392 | if (truncated) | |
13393 | break; | |
13394 | } | |
13395 | ||
13396 | *done = (state->cur_shard > state->max_shard); | |
13397 | ||
13398 | return 0; | |
13399 | } | |
13400 | ||
13401 | void RGWStateLog::finish_list_entries(void *handle) | |
13402 | { | |
13403 | list_state *state = static_cast<list_state *>(handle); | |
13404 | delete state; | |
13405 | } | |
13406 | ||
13407 | void RGWStateLog::dump_entry(const cls_statelog_entry& entry, Formatter *f) | |
13408 | { | |
13409 | f->open_object_section("statelog_entry"); | |
13410 | f->dump_string("client_id", entry.client_id); | |
13411 | f->dump_string("op_id", entry.op_id); | |
13412 | f->dump_string("object", entry.object); | |
13413 | entry.timestamp.gmtime_nsec(f->dump_stream("timestamp")); | |
13414 | if (!dump_entry_internal(entry, f)) { | |
13415 | f->dump_int("state", entry.state); | |
13416 | } | |
13417 | f->close_section(); | |
13418 | } | |
13419 | ||
13420 | RGWOpState::RGWOpState(RGWRados *_store) : RGWStateLog(_store, _store->ctx()->_conf->rgw_num_zone_opstate_shards, string("obj_opstate")) | |
13421 | { | |
13422 | } | |
13423 | ||
13424 | bool RGWOpState::dump_entry_internal(const cls_statelog_entry& entry, Formatter *f) | |
13425 | { | |
13426 | string s; | |
13427 | switch ((OpState)entry.state) { | |
13428 | case OPSTATE_UNKNOWN: | |
13429 | s = "unknown"; | |
13430 | break; | |
13431 | case OPSTATE_IN_PROGRESS: | |
13432 | s = "in-progress"; | |
13433 | break; | |
13434 | case OPSTATE_COMPLETE: | |
13435 | s = "complete"; | |
13436 | break; | |
13437 | case OPSTATE_ERROR: | |
13438 | s = "error"; | |
13439 | break; | |
13440 | case OPSTATE_ABORT: | |
13441 | s = "abort"; | |
13442 | break; | |
13443 | case OPSTATE_CANCELLED: | |
13444 | s = "cancelled"; | |
13445 | break; | |
13446 | default: | |
13447 | s = "invalid"; | |
13448 | } | |
13449 | f->dump_string("state", s); | |
13450 | return true; | |
13451 | } | |
13452 | ||
13453 | int RGWOpState::state_from_str(const string& s, OpState *state) | |
13454 | { | |
13455 | if (s == "unknown") { | |
13456 | *state = OPSTATE_UNKNOWN; | |
13457 | } else if (s == "in-progress") { | |
13458 | *state = OPSTATE_IN_PROGRESS; | |
13459 | } else if (s == "complete") { | |
13460 | *state = OPSTATE_COMPLETE; | |
13461 | } else if (s == "error") { | |
13462 | *state = OPSTATE_ERROR; | |
13463 | } else if (s == "abort") { | |
13464 | *state = OPSTATE_ABORT; | |
13465 | } else if (s == "cancelled") { | |
13466 | *state = OPSTATE_CANCELLED; | |
13467 | } else { | |
13468 | return -EINVAL; | |
13469 | } | |
13470 | ||
13471 | return 0; | |
13472 | } | |
13473 | ||
13474 | int RGWOpState::set_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
13475 | { | |
13476 | uint32_t s = (uint32_t)state; | |
13477 | return store_entry(client_id, op_id, object, s, NULL, NULL); | |
13478 | } | |
13479 | ||
13480 | int RGWOpState::renew_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
13481 | { | |
13482 | uint32_t s = (uint32_t)state; | |
13483 | return store_entry(client_id, op_id, object, s, NULL, &s); | |
13484 | } | |
13485 | ||
13486 | RGWOpStateSingleOp::RGWOpStateSingleOp(RGWRados *store, const string& cid, const string& oid, | |
13487 | const string& obj) : os(store), client_id(cid), op_id(oid), object(obj) | |
13488 | { | |
13489 | cct = store->ctx(); | |
13490 | cur_state = RGWOpState::OPSTATE_UNKNOWN; | |
13491 | } | |
13492 | ||
13493 | int RGWOpStateSingleOp::set_state(RGWOpState::OpState state) { | |
13494 | last_update = real_clock::now(); | |
13495 | cur_state = state; | |
13496 | return os.set_state(client_id, op_id, object, state); | |
13497 | } | |
13498 | ||
13499 | int RGWOpStateSingleOp::renew_state() { | |
13500 | real_time now = real_clock::now(); | |
13501 | ||
13502 | int rate_limit_sec = cct->_conf->rgw_opstate_ratelimit_sec; | |
13503 | ||
13504 | if (rate_limit_sec && now - last_update < make_timespan(rate_limit_sec)) { | |
13505 | return 0; | |
13506 | } | |
13507 | ||
13508 | last_update = now; | |
13509 | return os.renew_state(client_id, op_id, object, cur_state); | |
13510 | } | |
13511 | ||
13512 | ||
13513 | uint64_t RGWRados::instance_id() | |
13514 | { | |
13515 | return get_rados_handle()->get_instance_id(); | |
13516 | } | |
13517 | ||
13518 | uint64_t RGWRados::next_bucket_id() | |
13519 | { | |
13520 | Mutex::Locker l(bucket_id_lock); | |
13521 | return ++max_bucket_id; | |
13522 | } | |
13523 | ||
31f18b77 | 13524 | 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 |
13525 | { |
13526 | int use_cache = cct->_conf->rgw_cache_enabled; | |
13527 | RGWRados *store = NULL; | |
13528 | if (!use_cache) { | |
13529 | store = new RGWRados; | |
13530 | } else { | |
13531 | store = new RGWCache<RGWRados>; | |
13532 | } | |
13533 | ||
31f18b77 | 13534 | if (store->initialize(cct, use_gc_thread, use_lc_thread, quota_threads, run_sync_thread, run_reshard_thread) < 0) { |
7c673cae FG |
13535 | delete store; |
13536 | return NULL; | |
13537 | } | |
13538 | ||
13539 | return store; | |
13540 | } | |
13541 | ||
13542 | RGWRados *RGWStoreManager::init_raw_storage_provider(CephContext *cct) | |
13543 | { | |
13544 | RGWRados *store = NULL; | |
13545 | store = new RGWRados; | |
13546 | ||
13547 | store->set_context(cct); | |
13548 | ||
13549 | if (store->init_rados() < 0) { | |
13550 | delete store; | |
13551 | return NULL; | |
13552 | } | |
13553 | ||
13554 | return store; | |
13555 | } | |
13556 | ||
13557 | void RGWStoreManager::close_storage(RGWRados *store) | |
13558 | { | |
13559 | if (!store) | |
13560 | return; | |
13561 | ||
13562 | store->finalize(); | |
13563 | ||
13564 | delete store; | |
13565 | } | |
13566 | ||
13567 | librados::Rados* RGWRados::get_rados_handle() | |
13568 | { | |
13569 | if (rados.size() == 1) { | |
13570 | return &rados[0]; | |
13571 | } else { | |
13572 | handle_lock.get_read(); | |
13573 | pthread_t id = pthread_self(); | |
13574 | std::map<pthread_t, int>:: iterator it = rados_map.find(id); | |
13575 | ||
13576 | if (it != rados_map.end()) { | |
13577 | handle_lock.put_read(); | |
13578 | return &rados[it->second]; | |
13579 | } else { | |
13580 | handle_lock.put_read(); | |
13581 | handle_lock.get_write(); | |
13582 | const uint32_t handle = next_rados_handle; | |
13583 | rados_map[id] = handle; | |
13584 | if (++next_rados_handle == rados.size()) { | |
13585 | next_rados_handle = 0; | |
13586 | } | |
13587 | handle_lock.put_write(); | |
13588 | return &rados[handle]; | |
13589 | } | |
13590 | } | |
13591 | } | |
13592 | ||
13593 | int RGWRados::delete_raw_obj_aio(const rgw_raw_obj& obj, list<librados::AioCompletion *>& handles) | |
13594 | { | |
13595 | rgw_rados_ref ref; | |
13596 | int ret = get_raw_obj_ref(obj, &ref); | |
13597 | if (ret < 0) { | |
13598 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13599 | return ret; | |
13600 | } | |
13601 | ||
13602 | ObjectWriteOperation op; | |
13603 | list<string> prefixes; | |
13604 | cls_rgw_remove_obj(op, prefixes); | |
13605 | ||
13606 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13607 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13608 | if (ret < 0) { | |
13609 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13610 | c->release(); | |
13611 | return ret; | |
13612 | } | |
13613 | ||
13614 | handles.push_back(c); | |
13615 | ||
13616 | return 0; | |
13617 | } | |
13618 | ||
13619 | int RGWRados::delete_obj_aio(const rgw_obj& obj, | |
13620 | RGWBucketInfo& bucket_info, RGWObjState *astate, | |
13621 | list<librados::AioCompletion *>& handles, bool keep_index_consistent) | |
13622 | { | |
13623 | rgw_rados_ref ref; | |
13624 | int ret = get_obj_head_ref(bucket_info, obj, &ref); | |
13625 | if (ret < 0) { | |
13626 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13627 | return ret; | |
13628 | } | |
13629 | ||
13630 | if (keep_index_consistent) { | |
13631 | RGWRados::Bucket bop(this, bucket_info); | |
13632 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
13633 | ||
13634 | ret = index_op.prepare(CLS_RGW_OP_DEL, &astate->write_tag); | |
13635 | if (ret < 0) { | |
13636 | lderr(cct) << "ERROR: failed to prepare index op with ret=" << ret << dendl; | |
13637 | return ret; | |
13638 | } | |
13639 | } | |
13640 | ||
13641 | ObjectWriteOperation op; | |
13642 | list<string> prefixes; | |
13643 | cls_rgw_remove_obj(op, prefixes); | |
13644 | ||
13645 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13646 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13647 | if (ret < 0) { | |
13648 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13649 | c->release(); | |
13650 | return ret; | |
13651 | } | |
13652 | ||
13653 | handles.push_back(c); | |
13654 | ||
13655 | if (keep_index_consistent) { | |
13656 | ret = delete_obj_index(obj); | |
13657 | if (ret < 0) { | |
13658 | lderr(cct) << "ERROR: failed to delete obj index with ret=" << ret << dendl; | |
13659 | return ret; | |
13660 | } | |
13661 | } | |
13662 | return ret; | |
13663 | } | |
13664 | ||
13665 | int rgw_compression_info_from_attrset(map<string, bufferlist>& attrs, bool& need_decompress, RGWCompressionInfo& cs_info) { | |
13666 | map<string, bufferlist>::iterator value = attrs.find(RGW_ATTR_COMPRESSION); | |
13667 | if (value != attrs.end()) { | |
13668 | bufferlist::iterator bliter = value->second.begin(); | |
13669 | try { | |
13670 | ::decode(cs_info, bliter); | |
13671 | } catch (buffer::error& err) { | |
13672 | return -EIO; | |
13673 | } | |
13674 | if (cs_info.blocks.size() == 0) { | |
13675 | return -EIO; | |
13676 | } | |
13677 | if (cs_info.compression_type != "none") | |
13678 | need_decompress = true; | |
13679 | else | |
13680 | need_decompress = false; | |
13681 | return 0; | |
13682 | } else { | |
13683 | need_decompress = false; | |
13684 | return 0; | |
13685 | } | |
13686 | } | |
13687 |