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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include <errno.h> | |
5 | #include <stdlib.h> | |
6 | #include <sys/types.h> | |
7 | #include <boost/algorithm/string.hpp> | |
8 | ||
9 | #include <boost/format.hpp> | |
10 | #include <boost/optional.hpp> | |
11 | #include <boost/utility/in_place_factory.hpp> | |
12 | ||
13 | #include "common/ceph_json.h" | |
14 | #include "common/utf8.h" | |
15 | ||
16 | #include "common/errno.h" | |
17 | #include "common/Formatter.h" | |
18 | #include "common/Throttle.h" | |
19 | #include "common/Finisher.h" | |
20 | ||
21 | #include "rgw_rados.h" | |
22 | #include "rgw_cache.h" | |
23 | #include "rgw_acl.h" | |
24 | #include "rgw_acl_s3.h" /* for dumping s3policy in debug log */ | |
25 | #include "rgw_metadata.h" | |
26 | #include "rgw_bucket.h" | |
27 | #include "rgw_rest_conn.h" | |
28 | #include "rgw_cr_rados.h" | |
29 | #include "rgw_cr_rest.h" | |
30 | ||
31 | #include "cls/rgw/cls_rgw_ops.h" | |
32 | #include "cls/rgw/cls_rgw_types.h" | |
33 | #include "cls/rgw/cls_rgw_client.h" | |
34 | #include "cls/rgw/cls_rgw_const.h" | |
35 | #include "cls/refcount/cls_refcount_client.h" | |
36 | #include "cls/version/cls_version_client.h" | |
37 | #include "cls/log/cls_log_client.h" | |
38 | #include "cls/statelog/cls_statelog_client.h" | |
39 | #include "cls/timeindex/cls_timeindex_client.h" | |
40 | #include "cls/lock/cls_lock_client.h" | |
41 | #include "cls/user/cls_user_client.h" | |
42 | ||
43 | #include "rgw_tools.h" | |
44 | #include "rgw_coroutine.h" | |
45 | #include "rgw_compression.h" | |
46 | ||
47 | #include "rgw_boost_asio_yield.h" | |
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" | |
72 | ||
73 | #include "compressor/Compressor.h" | |
74 | ||
75 | #include <atomic> | |
76 | ||
77 | #define dout_context g_ceph_context | |
78 | #define dout_subsys ceph_subsys_rgw | |
79 | ||
80 | using namespace std; | |
81 | ||
82 | static string notify_oid_prefix = "notify"; | |
83 | static string *notify_oids = NULL; | |
84 | static string shadow_ns = "shadow"; | |
85 | static string dir_oid_prefix = ".dir."; | |
86 | static string default_storage_pool_suffix = "rgw.buckets.data"; | |
87 | static string default_bucket_index_pool_suffix = "rgw.buckets.index"; | |
88 | static string default_storage_extra_pool_suffix = "rgw.buckets.non-ec"; | |
89 | static string avail_pools = ".pools.avail"; | |
90 | ||
91 | static string zone_info_oid_prefix = "zone_info."; | |
92 | static string zone_names_oid_prefix = "zone_names."; | |
93 | static string region_info_oid_prefix = "region_info."; | |
94 | static string zone_group_info_oid_prefix = "zonegroup_info."; | |
95 | static string realm_names_oid_prefix = "realms_names."; | |
96 | static string realm_info_oid_prefix = "realms."; | |
97 | static string default_region_info_oid = "default.region"; | |
98 | static string default_zone_group_info_oid = "default.zonegroup"; | |
99 | static string period_info_oid_prefix = "periods."; | |
100 | static string period_latest_epoch_info_oid = ".latest_epoch"; | |
101 | static string region_map_oid = "region_map"; | |
102 | static string zonegroup_map_oid = "zonegroup_map"; | |
103 | static string log_lock_name = "rgw_log_lock"; | |
104 | static string default_realm_info_oid = "default.realm"; | |
105 | const string default_zonegroup_name = "default"; | |
106 | const string default_zone_name = "default"; | |
107 | static string zonegroup_names_oid_prefix = "zonegroups_names."; | |
108 | static RGWObjCategory main_category = RGW_OBJ_CATEGORY_MAIN; | |
109 | #define RGW_USAGE_OBJ_PREFIX "usage." | |
110 | #define FIRST_EPOCH 1 | |
111 | static string RGW_DEFAULT_ZONE_ROOT_POOL = "rgw.root"; | |
112 | static string RGW_DEFAULT_ZONEGROUP_ROOT_POOL = "rgw.root"; | |
113 | static string RGW_DEFAULT_REALM_ROOT_POOL = "rgw.root"; | |
114 | static string RGW_DEFAULT_PERIOD_ROOT_POOL = "rgw.root"; | |
115 | ||
116 | #define RGW_STATELOG_OBJ_PREFIX "statelog." | |
117 | ||
118 | #define dout_subsys ceph_subsys_rgw | |
119 | ||
120 | ||
121 | static bool rgw_get_obj_data_pool(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
122 | const string& placement_id, const rgw_obj& obj, rgw_pool *pool) | |
123 | { | |
124 | if (!zone_params.get_head_data_pool(placement_id, obj, pool)) { | |
125 | RGWZonePlacementInfo placement; | |
126 | if (!zone_params.get_placement(zonegroup.default_placement, &placement)) { | |
127 | return false; | |
128 | } | |
129 | ||
130 | if (!obj.in_extra_data) { | |
131 | *pool = placement.data_pool; | |
132 | } else { | |
133 | *pool = placement.data_extra_pool; | |
134 | } | |
135 | } | |
136 | ||
137 | return true; | |
138 | } | |
139 | ||
140 | static bool rgw_obj_to_raw(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params, | |
141 | const string& placement_id, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
142 | { | |
143 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
144 | ||
145 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_id, obj, &raw_obj->pool); | |
146 | } | |
147 | ||
148 | rgw_raw_obj rgw_obj_select::get_raw_obj(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) const | |
149 | { | |
150 | if (!is_raw) { | |
151 | rgw_raw_obj r; | |
152 | rgw_obj_to_raw(zonegroup, zone_params, placement_rule, obj, &r); | |
153 | return r; | |
154 | } | |
155 | return raw_obj; | |
156 | } | |
157 | ||
158 | rgw_raw_obj rgw_obj_select::get_raw_obj(RGWRados *store) const | |
159 | { | |
160 | if (!is_raw) { | |
161 | rgw_raw_obj r; | |
162 | store->obj_to_raw(placement_rule, obj, &r); | |
163 | return r; | |
164 | } | |
165 | return raw_obj; | |
166 | } | |
167 | ||
168 | int rgw_init_ioctx(librados::Rados *rados, const rgw_pool& pool, IoCtx& ioctx, bool create) | |
169 | { | |
170 | int r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
171 | if (r == -ENOENT && create) { | |
172 | r = rados->pool_create(pool.name.c_str()); | |
173 | if (r < 0 && r != -EEXIST) { | |
174 | return r; | |
175 | } | |
176 | ||
177 | r = rados->ioctx_create(pool.name.c_str(), ioctx); | |
178 | } | |
179 | if (r < 0) { | |
180 | return r; | |
181 | } | |
182 | if (!pool.ns.empty()) { | |
183 | ioctx.set_namespace(pool.ns); | |
184 | } | |
185 | return 0; | |
186 | } | |
187 | ||
188 | template<> | |
189 | void RGWObjectCtxImpl<rgw_obj, RGWObjState>::invalidate(rgw_obj& obj) { | |
190 | RWLock::WLocker wl(lock); | |
191 | auto iter = objs_state.find(obj); | |
192 | if (iter == objs_state.end()) { | |
193 | return; | |
194 | } | |
195 | bool is_atomic = iter->second.is_atomic; | |
196 | bool prefetch_data = iter->second.prefetch_data; | |
197 | ||
198 | objs_state.erase(iter); | |
199 | ||
200 | if (is_atomic || prefetch_data) { | |
201 | auto& s = objs_state[obj]; | |
202 | s.is_atomic = is_atomic; | |
203 | s.prefetch_data = prefetch_data; | |
204 | } | |
205 | } | |
206 | ||
207 | template<> | |
208 | void RGWObjectCtxImpl<rgw_raw_obj, RGWRawObjState>::invalidate(rgw_raw_obj& obj) { | |
209 | RWLock::WLocker wl(lock); | |
210 | auto iter = objs_state.find(obj); | |
211 | if (iter == objs_state.end()) { | |
212 | return; | |
213 | } | |
214 | ||
215 | objs_state.erase(iter); | |
216 | } | |
217 | ||
218 | void RGWDefaultZoneGroupInfo::dump(Formatter *f) const { | |
219 | encode_json("default_zonegroup", default_zonegroup, f); | |
220 | } | |
221 | ||
222 | void RGWDefaultZoneGroupInfo::decode_json(JSONObj *obj) { | |
223 | ||
224 | JSONDecoder::decode_json("default_zonegroup", default_zonegroup, obj); | |
225 | /* backward compatability with region */ | |
226 | if (default_zonegroup.empty()) { | |
227 | JSONDecoder::decode_json("default_region", default_zonegroup, obj); | |
228 | } | |
229 | } | |
230 | ||
231 | rgw_pool RGWZoneGroup::get_pool(CephContext *cct_) | |
232 | { | |
233 | if (cct_->_conf->rgw_zonegroup_root_pool.empty()) { | |
234 | return rgw_pool(RGW_DEFAULT_ZONEGROUP_ROOT_POOL); | |
235 | } | |
236 | ||
237 | return rgw_pool(cct_->_conf->rgw_zonegroup_root_pool); | |
238 | } | |
239 | ||
240 | int RGWZoneGroup::create_default(bool old_format) | |
241 | { | |
242 | name = default_zonegroup_name; | |
243 | is_master = true; | |
244 | ||
245 | RGWZoneGroupPlacementTarget placement_target; | |
246 | placement_target.name = "default-placement"; | |
247 | placement_targets[placement_target.name] = placement_target; | |
248 | default_placement = "default-placement"; | |
249 | ||
250 | RGWZoneParams zone_params(default_zone_name); | |
251 | ||
252 | int r = zone_params.init(cct, store, false); | |
253 | if (r < 0) { | |
254 | ldout(cct, 0) << "create_default: error initializing zone params: " << cpp_strerror(-r) << dendl; | |
255 | return r; | |
256 | } | |
257 | ||
258 | r = zone_params.create_default(); | |
259 | if (r < 0 && r != -EEXIST) { | |
260 | ldout(cct, 0) << "create_default: error in create_default zone params: " << cpp_strerror(-r) << dendl; | |
261 | return r; | |
262 | } else if (r == -EEXIST) { | |
263 | ldout(cct, 10) << "zone_params::create_default() returned -EEXIST, we raced with another default zone_params creation" << dendl; | |
264 | zone_params.clear_id(); | |
265 | r = zone_params.init(cct, store); | |
266 | if (r < 0) { | |
267 | ldout(cct, 0) << "create_default: error in init existing zone params: " << cpp_strerror(-r) << dendl; | |
268 | return r; | |
269 | } | |
270 | ldout(cct, 20) << "zone_params::create_default() " << zone_params.get_name() << " id " << zone_params.get_id() | |
271 | << dendl; | |
272 | } | |
273 | ||
274 | RGWZone& default_zone = zones[zone_params.get_id()]; | |
275 | default_zone.name = zone_params.get_name(); | |
276 | default_zone.id = zone_params.get_id(); | |
277 | master_zone = default_zone.id; | |
278 | ||
279 | r = create(); | |
280 | if (r < 0 && r != -EEXIST) { | |
281 | ldout(cct, 0) << "error storing zone group info: " << cpp_strerror(-r) << dendl; | |
282 | return r; | |
283 | } | |
284 | ||
285 | if (r == -EEXIST) { | |
286 | ldout(cct, 10) << "create_default() returned -EEXIST, we raced with another zonegroup creation" << dendl; | |
287 | id.clear(); | |
288 | r = init(cct, store); | |
289 | if (r < 0) { | |
290 | return r; | |
291 | } | |
292 | } | |
293 | ||
294 | if (old_format) { | |
295 | name = id; | |
296 | } | |
297 | ||
298 | post_process_params(); | |
299 | ||
300 | return 0; | |
301 | } | |
302 | ||
303 | const string RGWZoneGroup::get_default_oid(bool old_region_format) | |
304 | { | |
305 | if (old_region_format) { | |
306 | if (cct->_conf->rgw_default_region_info_oid.empty()) { | |
307 | return default_region_info_oid; | |
308 | } | |
309 | return cct->_conf->rgw_default_region_info_oid; | |
310 | } | |
311 | ||
312 | string default_oid = cct->_conf->rgw_default_zonegroup_info_oid; | |
313 | ||
314 | if (cct->_conf->rgw_default_zonegroup_info_oid.empty()) { | |
315 | default_oid = default_zone_group_info_oid; | |
316 | } | |
317 | ||
318 | default_oid += "." + realm_id; | |
319 | ||
320 | return default_oid; | |
321 | } | |
322 | ||
323 | const string& RGWZoneGroup::get_info_oid_prefix(bool old_region_format) | |
324 | { | |
325 | if (old_region_format) { | |
326 | return region_info_oid_prefix; | |
327 | } | |
328 | return zone_group_info_oid_prefix; | |
329 | } | |
330 | ||
331 | const string& RGWZoneGroup::get_names_oid_prefix() | |
332 | { | |
333 | return zonegroup_names_oid_prefix; | |
334 | } | |
335 | ||
336 | const string& RGWZoneGroup::get_predefined_name(CephContext *cct) { | |
337 | return cct->_conf->rgw_zonegroup; | |
338 | } | |
339 | ||
340 | int RGWZoneGroup::equals(const string& other_zonegroup) const | |
341 | { | |
342 | if (is_master && other_zonegroup.empty()) | |
343 | return true; | |
344 | ||
345 | return (id == other_zonegroup); | |
346 | } | |
347 | ||
348 | int RGWZoneGroup::add_zone(const RGWZoneParams& zone_params, bool *is_master, bool *read_only, | |
349 | const list<string>& endpoints, const string *ptier_type, | |
350 | bool *psync_from_all, list<string>& sync_from, list<string>& sync_from_rm) | |
351 | { | |
352 | auto& zone_id = zone_params.get_id(); | |
353 | auto& zone_name = zone_params.get_name(); | |
354 | ||
355 | // check for duplicate zone name on insert | |
356 | if (!zones.count(zone_id)) { | |
357 | for (const auto& zone : zones) { | |
358 | if (zone.second.name == zone_name) { | |
359 | ldout(cct, 0) << "ERROR: found existing zone name " << zone_name | |
360 | << " (" << zone.first << ") in zonegroup " << get_name() << dendl; | |
361 | return -EEXIST; | |
362 | } | |
363 | } | |
364 | } | |
365 | ||
366 | if (is_master) { | |
367 | if (*is_master) { | |
368 | if (!master_zone.empty() && master_zone != zone_params.get_id()) { | |
369 | ldout(cct, 0) << "NOTICE: overriding master zone: " << master_zone << dendl; | |
370 | } | |
371 | master_zone = zone_params.get_id(); | |
372 | } else if (master_zone == zone_params.get_id()) { | |
373 | master_zone.clear(); | |
374 | } | |
375 | } | |
376 | ||
377 | RGWZone& zone = zones[zone_params.get_id()]; | |
378 | zone.name = zone_params.get_name(); | |
379 | zone.id = zone_params.get_id(); | |
380 | if (!endpoints.empty()) { | |
381 | zone.endpoints = endpoints; | |
382 | } | |
383 | if (read_only) { | |
384 | zone.read_only = *read_only; | |
385 | } | |
386 | if (ptier_type) { | |
387 | zone.tier_type = *ptier_type; | |
388 | } | |
389 | ||
390 | if (psync_from_all) { | |
391 | zone.sync_from_all = *psync_from_all; | |
392 | } | |
393 | ||
394 | for (auto add : sync_from) { | |
395 | zone.sync_from.insert(add); | |
396 | } | |
397 | ||
398 | for (auto rm : sync_from_rm) { | |
399 | zone.sync_from.erase(rm); | |
400 | } | |
401 | ||
402 | post_process_params(); | |
403 | ||
404 | return update(); | |
405 | } | |
406 | ||
407 | ||
408 | int RGWZoneGroup::rename_zone(const RGWZoneParams& zone_params) | |
409 | { | |
410 | RGWZone& zone = zones[zone_params.get_id()]; | |
411 | zone.name = zone_params.get_name(); | |
412 | ||
413 | return update(); | |
414 | } | |
415 | ||
416 | void RGWZoneGroup::post_process_params() | |
417 | { | |
418 | bool log_data = zones.size() > 1; | |
419 | ||
420 | if (master_zone.empty()) { | |
421 | map<string, RGWZone>::iterator iter = zones.begin(); | |
422 | if (iter != zones.end()) { | |
423 | master_zone = iter->first; | |
424 | } | |
425 | } | |
426 | ||
427 | for (map<string, RGWZone>::iterator iter = zones.begin(); iter != zones.end(); ++iter) { | |
428 | RGWZone& zone = iter->second; | |
429 | zone.log_data = log_data; | |
430 | zone.log_meta = (is_master && zone.id == master_zone); | |
431 | ||
432 | RGWZoneParams zone_params(zone.id, zone.name); | |
433 | int ret = zone_params.init(cct, store); | |
434 | if (ret < 0) { | |
435 | ldout(cct, 0) << "WARNING: could not read zone params for zone id=" << zone.id << " name=" << zone.name << dendl; | |
436 | continue; | |
437 | } | |
438 | ||
439 | for (map<string, RGWZonePlacementInfo>::iterator iter = zone_params.placement_pools.begin(); | |
440 | iter != zone_params.placement_pools.end(); ++iter) { | |
441 | const string& placement_name = iter->first; | |
442 | if (placement_targets.find(placement_name) == placement_targets.end()) { | |
443 | RGWZoneGroupPlacementTarget placement_target; | |
444 | placement_target.name = placement_name; | |
445 | placement_targets[placement_name] = placement_target; | |
446 | } | |
447 | } | |
448 | } | |
449 | ||
450 | if (default_placement.empty() && !placement_targets.empty()) { | |
451 | default_placement = placement_targets.begin()->first; | |
452 | } | |
453 | } | |
454 | ||
455 | int RGWZoneGroup::remove_zone(const std::string& zone_id) | |
456 | { | |
457 | map<string, RGWZone>::iterator iter = zones.find(zone_id); | |
458 | if (iter == zones.end()) { | |
459 | ldout(cct, 0) << "zone id " << zone_id << " is not a part of zonegroup " | |
460 | << name << dendl; | |
461 | return -ENOENT; | |
462 | } | |
463 | ||
464 | zones.erase(iter); | |
465 | ||
466 | post_process_params(); | |
467 | ||
468 | return update(); | |
469 | } | |
470 | ||
471 | int RGWZoneGroup::read_default_id(string& default_id, bool old_format) | |
472 | { | |
473 | if (realm_id.empty()) { | |
474 | /* try using default realm */ | |
475 | RGWRealm realm; | |
476 | int ret = realm.init(cct, store); | |
477 | if (ret < 0) { | |
478 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
479 | return -ENOENT; | |
480 | } | |
481 | realm_id = realm.get_id(); | |
482 | } | |
483 | ||
484 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
485 | } | |
486 | ||
487 | int RGWZoneGroup::set_as_default(bool exclusive) | |
488 | { | |
489 | if (realm_id.empty()) { | |
490 | /* try using default realm */ | |
491 | RGWRealm realm; | |
492 | int ret = realm.init(cct, store); | |
493 | if (ret < 0) { | |
494 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
495 | return -EINVAL; | |
496 | } | |
497 | realm_id = realm.get_id(); | |
498 | } | |
499 | ||
500 | return RGWSystemMetaObj::set_as_default(exclusive); | |
501 | } | |
502 | ||
503 | int RGWSystemMetaObj::init(CephContext *_cct, RGWRados *_store, bool setup_obj, bool old_format) | |
504 | { | |
505 | cct = _cct; | |
506 | store = _store; | |
507 | ||
508 | if (!setup_obj) | |
509 | return 0; | |
510 | ||
511 | if (old_format && id.empty()) { | |
512 | id = name; | |
513 | } | |
514 | ||
515 | if (id.empty()) { | |
516 | int r; | |
517 | if (name.empty()) { | |
518 | name = get_predefined_name(cct); | |
519 | } | |
520 | if (name.empty()) { | |
521 | r = use_default(old_format); | |
522 | if (r < 0) { | |
523 | return r; | |
524 | } | |
525 | } else if (!old_format) { | |
526 | r = read_id(name, id); | |
527 | if (r < 0) { | |
528 | if (r != -ENOENT) { | |
529 | ldout(cct, 0) << "error in read_id for object name: " << name << " : " << cpp_strerror(-r) << dendl; | |
530 | } | |
531 | return r; | |
532 | } | |
533 | } | |
534 | } | |
535 | ||
536 | return read_info(id, old_format); | |
537 | } | |
538 | ||
539 | int RGWSystemMetaObj::read_default(RGWDefaultSystemMetaObjInfo& default_info, const string& oid) | |
540 | { | |
541 | auto pool = get_pool(cct); | |
542 | bufferlist bl; | |
543 | RGWObjectCtx obj_ctx(store); | |
544 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
545 | if (ret < 0) | |
546 | return ret; | |
547 | ||
548 | try { | |
549 | bufferlist::iterator iter = bl.begin(); | |
550 | ::decode(default_info, iter); | |
551 | } catch (buffer::error& err) { | |
552 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
553 | return -EIO; | |
554 | } | |
555 | ||
556 | return 0; | |
557 | } | |
558 | ||
559 | int RGWSystemMetaObj::read_default_id(string& default_id, bool old_format) | |
560 | { | |
561 | RGWDefaultSystemMetaObjInfo default_info; | |
562 | ||
563 | int ret = read_default(default_info, get_default_oid(old_format)); | |
564 | if (ret < 0) { | |
565 | return ret; | |
566 | } | |
567 | ||
568 | default_id = default_info.default_id; | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
573 | int RGWSystemMetaObj::use_default(bool old_format) | |
574 | { | |
575 | return read_default_id(id, old_format); | |
576 | } | |
577 | ||
578 | int RGWSystemMetaObj::set_as_default(bool exclusive) | |
579 | { | |
580 | string oid = get_default_oid(); | |
581 | ||
582 | rgw_pool pool(get_pool(cct)); | |
583 | bufferlist bl; | |
584 | ||
585 | RGWDefaultSystemMetaObjInfo default_info; | |
586 | default_info.default_id = id; | |
587 | ||
588 | ::encode(default_info, bl); | |
589 | ||
590 | int ret = rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
591 | exclusive, NULL, real_time(), NULL); | |
592 | if (ret < 0) | |
593 | return ret; | |
594 | ||
595 | return 0; | |
596 | } | |
597 | ||
598 | int RGWSystemMetaObj::read_id(const string& obj_name, string& object_id) | |
599 | { | |
600 | rgw_pool pool(get_pool(cct)); | |
601 | bufferlist bl; | |
602 | ||
603 | string oid = get_names_oid_prefix() + obj_name; | |
604 | ||
605 | RGWObjectCtx obj_ctx(store); | |
606 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
607 | if (ret < 0) { | |
608 | return ret; | |
609 | } | |
610 | ||
611 | RGWNameToId nameToId; | |
612 | try { | |
613 | bufferlist::iterator iter = bl.begin(); | |
614 | ::decode(nameToId, iter); | |
615 | } catch (buffer::error& err) { | |
616 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
617 | return -EIO; | |
618 | } | |
619 | object_id = nameToId.obj_id; | |
620 | return 0; | |
621 | } | |
622 | ||
623 | int RGWSystemMetaObj::delete_obj(bool old_format) | |
624 | { | |
625 | rgw_pool pool(get_pool(cct)); | |
626 | ||
627 | /* check to see if obj is the default */ | |
628 | RGWDefaultSystemMetaObjInfo default_info; | |
629 | int ret = read_default(default_info, get_default_oid(old_format)); | |
630 | if (ret < 0 && ret != -ENOENT) | |
631 | return ret; | |
632 | if (default_info.default_id == id || (old_format && default_info.default_id == name)) { | |
633 | string oid = get_default_oid(old_format); | |
634 | rgw_raw_obj default_named_obj(pool, oid); | |
635 | ret = store->delete_system_obj(default_named_obj); | |
636 | if (ret < 0) { | |
637 | ldout(cct, 0) << "Error delete default obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
638 | return ret; | |
639 | } | |
640 | } | |
641 | if (!old_format) { | |
642 | string oid = get_names_oid_prefix() + name; | |
643 | rgw_raw_obj object_name(pool, oid); | |
644 | ret = store->delete_system_obj(object_name); | |
645 | if (ret < 0) { | |
646 | ldout(cct, 0) << "Error delete obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
647 | return ret; | |
648 | } | |
649 | } | |
650 | ||
651 | string oid = get_info_oid_prefix(old_format); | |
652 | if (old_format) { | |
653 | oid += name; | |
654 | } else { | |
655 | oid += id; | |
656 | } | |
657 | ||
658 | rgw_raw_obj object_id(pool, oid); | |
659 | ret = store->delete_system_obj(object_id); | |
660 | if (ret < 0) { | |
661 | ldout(cct, 0) << "Error delete object id " << id << ": " << cpp_strerror(-ret) << dendl; | |
662 | } | |
663 | ||
664 | return ret; | |
665 | } | |
666 | ||
667 | int RGWSystemMetaObj::store_name(bool exclusive) | |
668 | { | |
669 | rgw_pool pool(get_pool(cct)); | |
670 | string oid = get_names_oid_prefix() + name; | |
671 | ||
672 | RGWNameToId nameToId; | |
673 | nameToId.obj_id = id; | |
674 | ||
675 | bufferlist bl; | |
676 | ::encode(nameToId, bl); | |
677 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
678 | } | |
679 | ||
680 | int RGWSystemMetaObj::rename(const string& new_name) | |
681 | { | |
682 | string new_id; | |
683 | int ret = read_id(new_name, new_id); | |
684 | if (!ret) { | |
685 | return -EEXIST; | |
686 | } | |
687 | if (ret < 0 && ret != -ENOENT) { | |
688 | ldout(cct, 0) << "Error read_id " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
689 | return ret; | |
690 | } | |
691 | string old_name = name; | |
692 | name = new_name; | |
693 | ret = update(); | |
694 | if (ret < 0) { | |
695 | ldout(cct, 0) << "Error storing new obj info " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
696 | return ret; | |
697 | } | |
698 | ret = store_name(true); | |
699 | if (ret < 0) { | |
700 | ldout(cct, 0) << "Error storing new name " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
701 | return ret; | |
702 | } | |
703 | /* delete old name */ | |
704 | rgw_pool pool(get_pool(cct)); | |
705 | string oid = get_names_oid_prefix() + old_name; | |
706 | rgw_raw_obj old_name_obj(pool, oid); | |
707 | ret = store->delete_system_obj(old_name_obj); | |
708 | if (ret < 0) { | |
709 | ldout(cct, 0) << "Error delete old obj name " << old_name << ": " << cpp_strerror(-ret) << dendl; | |
710 | return ret; | |
711 | } | |
712 | ||
713 | return ret; | |
714 | } | |
715 | ||
716 | int RGWSystemMetaObj::read_info(const string& obj_id, bool old_format) | |
717 | { | |
718 | rgw_pool pool(get_pool(cct)); | |
719 | ||
720 | bufferlist bl; | |
721 | ||
722 | string oid = get_info_oid_prefix(old_format) + obj_id; | |
723 | ||
724 | RGWObjectCtx obj_ctx(store); | |
725 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
726 | if (ret < 0) { | |
727 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << oid << ": " << cpp_strerror(-ret) << dendl; | |
728 | return ret; | |
729 | } | |
730 | ||
731 | try { | |
732 | bufferlist::iterator iter = bl.begin(); | |
733 | ::decode(*this, iter); | |
734 | } catch (buffer::error& err) { | |
735 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
736 | return -EIO; | |
737 | } | |
738 | ||
739 | return 0; | |
740 | } | |
741 | ||
742 | int RGWSystemMetaObj::read() | |
743 | { | |
744 | int ret = read_id(name, id); | |
745 | if (ret < 0) { | |
746 | return ret; | |
747 | } | |
748 | ||
749 | return read_info(id); | |
750 | } | |
751 | ||
752 | int RGWSystemMetaObj::create(bool exclusive) | |
753 | { | |
754 | int ret; | |
755 | ||
756 | /* check to see the name is not used */ | |
757 | ret = read_id(name, id); | |
758 | if (exclusive && ret == 0) { | |
759 | ldout(cct, 10) << "ERROR: name " << name << " already in use for obj id " << id << dendl; | |
760 | return -EEXIST; | |
761 | } else if ( ret < 0 && ret != -ENOENT) { | |
762 | ldout(cct, 0) << "failed reading obj id " << id << ": " << cpp_strerror(-ret) << dendl; | |
763 | return ret; | |
764 | } | |
765 | ||
766 | if (id.empty()) { | |
767 | /* create unique id */ | |
768 | uuid_d new_uuid; | |
769 | char uuid_str[37]; | |
770 | new_uuid.generate_random(); | |
771 | new_uuid.print(uuid_str); | |
772 | id = uuid_str; | |
773 | } | |
774 | ||
775 | ret = store_info(exclusive); | |
776 | if (ret < 0) { | |
777 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
778 | return ret; | |
779 | } | |
780 | ||
781 | return store_name(exclusive); | |
782 | } | |
783 | ||
784 | int RGWSystemMetaObj::store_info(bool exclusive) | |
785 | { | |
786 | rgw_pool pool(get_pool(cct)); | |
787 | ||
788 | string oid = get_info_oid_prefix() + id; | |
789 | ||
790 | bufferlist bl; | |
791 | ::encode(*this, bl); | |
792 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
793 | } | |
794 | ||
795 | int RGWSystemMetaObj::write(bool exclusive) | |
796 | { | |
797 | int ret = store_info(exclusive); | |
798 | if (ret < 0) { | |
799 | ldout(cct, 20) << __func__ << "(): store_info() returned ret=" << ret << dendl; | |
800 | return ret; | |
801 | } | |
802 | ret = store_name(exclusive); | |
803 | if (ret < 0) { | |
804 | ldout(cct, 20) << __func__ << "(): store_name() returned ret=" << ret << dendl; | |
805 | return ret; | |
806 | } | |
807 | return 0; | |
808 | } | |
809 | ||
810 | ||
811 | const string& RGWRealm::get_predefined_name(CephContext *cct) { | |
812 | return cct->_conf->rgw_realm; | |
813 | } | |
814 | ||
815 | int RGWRealm::create(bool exclusive) | |
816 | { | |
817 | int ret = RGWSystemMetaObj::create(exclusive); | |
818 | if (ret < 0) { | |
819 | ldout(cct, 0) << "ERROR creating new realm object " << name << ": " << cpp_strerror(-ret) << dendl; | |
820 | return ret; | |
821 | } | |
822 | // create the control object for watch/notify | |
823 | ret = create_control(exclusive); | |
824 | if (ret < 0) { | |
825 | ldout(cct, 0) << "ERROR creating control for new realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
826 | return ret; | |
827 | } | |
828 | RGWPeriod period; | |
829 | if (current_period.empty()) { | |
830 | /* create new period for the realm */ | |
831 | ret = period.init(cct, store, id, name, false); | |
832 | if (ret < 0 ) { | |
833 | return ret; | |
834 | } | |
835 | ret = period.create(true); | |
836 | if (ret < 0) { | |
837 | ldout(cct, 0) << "ERROR: creating new period for realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
838 | return ret; | |
839 | } | |
840 | } else { | |
841 | period = RGWPeriod(current_period, 0); | |
842 | int ret = period.init(cct, store, id, name); | |
843 | if (ret < 0) { | |
844 | ldout(cct, 0) << "ERROR: failed to init period " << current_period << dendl; | |
845 | return ret; | |
846 | } | |
847 | } | |
848 | ret = set_current_period(period); | |
849 | if (ret < 0) { | |
850 | ldout(cct, 0) << "ERROR: failed set current period " << current_period << dendl; | |
851 | return ret; | |
852 | } | |
853 | // try to set as default. may race with another create, so pass exclusive=true | |
854 | // so we don't override an existing default | |
855 | ret = set_as_default(true); | |
856 | if (ret < 0 && ret != -EEXIST) { | |
857 | ldout(cct, 0) << "WARNING: failed to set realm as default realm, ret=" << ret << dendl; | |
858 | } | |
859 | ||
860 | return 0; | |
861 | } | |
862 | ||
863 | int RGWRealm::delete_obj() | |
864 | { | |
865 | int ret = RGWSystemMetaObj::delete_obj(); | |
866 | if (ret < 0) { | |
867 | return ret; | |
868 | } | |
869 | return delete_control(); | |
870 | } | |
871 | ||
872 | int RGWRealm::create_control(bool exclusive) | |
873 | { | |
874 | auto pool = rgw_pool{get_pool(cct)}; | |
875 | auto oid = get_control_oid(); | |
876 | return rgw_put_system_obj(store, pool, oid, nullptr, 0, exclusive, | |
877 | nullptr, real_time(), nullptr); | |
878 | } | |
879 | ||
880 | int RGWRealm::delete_control() | |
881 | { | |
882 | auto pool = rgw_pool{get_pool(cct)}; | |
883 | auto obj = rgw_raw_obj{pool, get_control_oid()}; | |
884 | return store->delete_system_obj(obj); | |
885 | } | |
886 | ||
887 | rgw_pool RGWRealm::get_pool(CephContext *cct) | |
888 | { | |
889 | if (cct->_conf->rgw_realm_root_pool.empty()) { | |
890 | return rgw_pool(RGW_DEFAULT_REALM_ROOT_POOL); | |
891 | } | |
892 | return rgw_pool(cct->_conf->rgw_realm_root_pool); | |
893 | } | |
894 | ||
895 | const string RGWRealm::get_default_oid(bool old_format) | |
896 | { | |
897 | if (cct->_conf->rgw_default_realm_info_oid.empty()) { | |
898 | return default_realm_info_oid; | |
899 | } | |
900 | return cct->_conf->rgw_default_realm_info_oid; | |
901 | } | |
902 | ||
903 | const string& RGWRealm::get_names_oid_prefix() | |
904 | { | |
905 | return realm_names_oid_prefix; | |
906 | } | |
907 | ||
908 | const string& RGWRealm::get_info_oid_prefix(bool old_format) | |
909 | { | |
910 | return realm_info_oid_prefix; | |
911 | } | |
912 | ||
913 | int RGWRealm::set_current_period(RGWPeriod& period) | |
914 | { | |
915 | // update realm epoch to match the period's | |
916 | if (epoch > period.get_realm_epoch()) { | |
917 | ldout(cct, 0) << "ERROR: set_current_period with old realm epoch " | |
918 | << period.get_realm_epoch() << ", current epoch=" << epoch << dendl; | |
919 | return -EINVAL; | |
920 | } | |
921 | if (epoch == period.get_realm_epoch() && current_period != period.get_id()) { | |
922 | ldout(cct, 0) << "ERROR: set_current_period with same realm epoch " | |
923 | << period.get_realm_epoch() << ", but different period id " | |
924 | << period.get_id() << " != " << current_period << dendl; | |
925 | return -EINVAL; | |
926 | } | |
927 | ||
928 | epoch = period.get_realm_epoch(); | |
929 | current_period = period.get_id(); | |
930 | ||
931 | int ret = update(); | |
932 | if (ret < 0) { | |
933 | ldout(cct, 0) << "ERROR: period update: " << cpp_strerror(-ret) << dendl; | |
934 | return ret; | |
935 | } | |
936 | ||
937 | ret = period.reflect(); | |
938 | if (ret < 0) { | |
939 | ldout(cct, 0) << "ERROR: period.reflect(): " << cpp_strerror(-ret) << dendl; | |
940 | return ret; | |
941 | } | |
942 | ||
943 | return 0; | |
944 | } | |
945 | ||
946 | string RGWRealm::get_control_oid() | |
947 | { | |
948 | return get_info_oid_prefix() + id + ".control"; | |
949 | } | |
950 | ||
951 | int RGWRealm::notify_zone(bufferlist& bl) | |
952 | { | |
953 | // open a context on the realm's pool | |
954 | rgw_pool pool{get_pool(cct)}; | |
955 | librados::IoCtx ctx; | |
956 | int r = rgw_init_ioctx(store->get_rados_handle(), pool, ctx); | |
957 | if (r < 0) { | |
958 | ldout(cct, 0) << "Failed to open pool " << pool << dendl; | |
959 | return r; | |
960 | } | |
961 | // send a notify on the realm object | |
962 | r = ctx.notify2(get_control_oid(), bl, 0, nullptr); | |
963 | if (r < 0) { | |
964 | ldout(cct, 0) << "Realm notify failed with " << r << dendl; | |
965 | return r; | |
966 | } | |
967 | return 0; | |
968 | } | |
969 | ||
970 | int RGWRealm::notify_new_period(const RGWPeriod& period) | |
971 | { | |
972 | bufferlist bl; | |
973 | // push the period to dependent zonegroups/zones | |
974 | ::encode(RGWRealmNotify::ZonesNeedPeriod, bl); | |
975 | ::encode(period, bl); | |
976 | // reload the gateway with the new period | |
977 | ::encode(RGWRealmNotify::Reload, bl); | |
978 | ||
979 | return notify_zone(bl); | |
980 | } | |
981 | ||
982 | std::string RGWPeriodConfig::get_oid(const std::string& realm_id) | |
983 | { | |
984 | if (realm_id.empty()) { | |
985 | return "period_config.default"; | |
986 | } | |
987 | return "period_config." + realm_id; | |
988 | } | |
989 | ||
990 | rgw_pool RGWPeriodConfig::get_pool(CephContext *cct) | |
991 | { | |
992 | const auto& pool_name = cct->_conf->rgw_period_root_pool; | |
993 | if (pool_name.empty()) { | |
994 | return {RGW_DEFAULT_PERIOD_ROOT_POOL}; | |
995 | } | |
996 | return {pool_name}; | |
997 | } | |
998 | ||
999 | int RGWPeriodConfig::read(RGWRados *store, const std::string& realm_id) | |
1000 | { | |
1001 | RGWObjectCtx obj_ctx(store); | |
1002 | const auto& pool = get_pool(store->ctx()); | |
1003 | const auto& oid = get_oid(realm_id); | |
1004 | bufferlist bl; | |
1005 | ||
1006 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, nullptr, nullptr); | |
1007 | if (ret < 0) { | |
1008 | return ret; | |
1009 | } | |
1010 | try { | |
1011 | bufferlist::iterator iter = bl.begin(); | |
1012 | ::decode(*this, iter); | |
1013 | } catch (buffer::error& err) { | |
1014 | return -EIO; | |
1015 | } | |
1016 | return 0; | |
1017 | } | |
1018 | ||
1019 | int RGWPeriodConfig::write(RGWRados *store, const std::string& realm_id) | |
1020 | { | |
1021 | const auto& pool = get_pool(store->ctx()); | |
1022 | const auto& oid = get_oid(realm_id); | |
1023 | bufferlist bl; | |
1024 | ::encode(*this, bl); | |
1025 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
1026 | false, nullptr, real_time(), nullptr); | |
1027 | } | |
1028 | ||
1029 | int RGWPeriod::init(CephContext *_cct, RGWRados *_store, const string& period_realm_id, | |
1030 | const string& period_realm_name, bool setup_obj) | |
1031 | { | |
1032 | cct = _cct; | |
1033 | store = _store; | |
1034 | realm_id = period_realm_id; | |
1035 | realm_name = period_realm_name; | |
1036 | ||
1037 | if (!setup_obj) | |
1038 | return 0; | |
1039 | ||
1040 | return init(_cct, _store, setup_obj); | |
1041 | } | |
1042 | ||
1043 | ||
1044 | int RGWPeriod::init(CephContext *_cct, RGWRados *_store, bool setup_obj) | |
1045 | { | |
1046 | cct = _cct; | |
1047 | store = _store; | |
1048 | ||
1049 | if (!setup_obj) | |
1050 | return 0; | |
1051 | ||
1052 | if (id.empty()) { | |
1053 | RGWRealm realm(realm_id, realm_name); | |
1054 | int ret = realm.init(cct, store); | |
1055 | if (ret < 0) { | |
1056 | ldout(cct, 0) << "RGWPeriod::init failed to init realm " << realm_name << " id " << realm_id << " : " << | |
1057 | cpp_strerror(-ret) << dendl; | |
1058 | return ret; | |
1059 | } | |
1060 | id = realm.get_current_period(); | |
1061 | realm_id = realm.get_id(); | |
1062 | } | |
1063 | ||
1064 | if (!epoch) { | |
1065 | int ret = use_latest_epoch(); | |
1066 | if (ret < 0) { | |
1067 | ldout(cct, 0) << "failed to use_latest_epoch period id " << id << " realm " << realm_name << " id " << realm_id | |
1068 | << " : " << cpp_strerror(-ret) << dendl; | |
1069 | return ret; | |
1070 | } | |
1071 | } | |
1072 | ||
1073 | return read_info(); | |
1074 | } | |
1075 | ||
1076 | ||
1077 | int RGWPeriod::get_zonegroup(RGWZoneGroup& zonegroup, const string& zonegroup_id) { | |
1078 | map<string, RGWZoneGroup>::const_iterator iter; | |
1079 | if (!zonegroup_id.empty()) { | |
1080 | iter = period_map.zonegroups.find(zonegroup_id); | |
1081 | } else { | |
1082 | iter = period_map.zonegroups.find("default"); | |
1083 | } | |
1084 | if (iter != period_map.zonegroups.end()) { | |
1085 | zonegroup = iter->second; | |
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | return -ENOENT; | |
1090 | } | |
1091 | ||
1092 | bool RGWPeriod::is_single_zonegroup(CephContext *cct, RGWRados *store) | |
1093 | { | |
1094 | return (period_map.zonegroups.size() == 1); | |
1095 | } | |
1096 | ||
1097 | const string& RGWPeriod::get_latest_epoch_oid() | |
1098 | { | |
1099 | if (cct->_conf->rgw_period_latest_epoch_info_oid.empty()) { | |
1100 | return period_latest_epoch_info_oid; | |
1101 | } | |
1102 | return cct->_conf->rgw_period_latest_epoch_info_oid; | |
1103 | } | |
1104 | ||
1105 | const string& RGWPeriod::get_info_oid_prefix() | |
1106 | { | |
1107 | return period_info_oid_prefix; | |
1108 | } | |
1109 | ||
1110 | const string RGWPeriod::get_period_oid_prefix() | |
1111 | { | |
1112 | return get_info_oid_prefix() + id; | |
1113 | } | |
1114 | ||
1115 | const string RGWPeriod::get_period_oid() | |
1116 | { | |
1117 | std::ostringstream oss; | |
1118 | oss << get_period_oid_prefix(); | |
1119 | // skip the epoch for the staging period | |
1120 | if (id != get_staging_id(realm_id)) | |
1121 | oss << "." << epoch; | |
1122 | return oss.str(); | |
1123 | } | |
1124 | ||
1125 | int RGWPeriod::read_latest_epoch(RGWPeriodLatestEpochInfo& info) | |
1126 | { | |
1127 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1128 | ||
1129 | rgw_pool pool(get_pool(cct)); | |
1130 | bufferlist bl; | |
1131 | RGWObjectCtx obj_ctx(store); | |
1132 | int ret = rgw_get_system_obj(store, obj_ctx, pool, oid, bl, NULL, NULL); | |
1133 | if (ret < 0) { | |
1134 | ldout(cct, 1) << "error read_lastest_epoch " << pool << ":" << oid << dendl; | |
1135 | return ret; | |
1136 | } | |
1137 | try { | |
1138 | bufferlist::iterator iter = bl.begin(); | |
1139 | ::decode(info, iter); | |
1140 | } catch (buffer::error& err) { | |
1141 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
1142 | return -EIO; | |
1143 | } | |
1144 | ||
1145 | return 0; | |
1146 | } | |
1147 | ||
1148 | int RGWPeriod::get_latest_epoch(epoch_t& latest_epoch) | |
1149 | { | |
1150 | RGWPeriodLatestEpochInfo info; | |
1151 | ||
1152 | int ret = read_latest_epoch(info); | |
1153 | if (ret < 0) { | |
1154 | return ret; | |
1155 | } | |
1156 | ||
1157 | latest_epoch = info.epoch; | |
1158 | ||
1159 | return 0; | |
1160 | } | |
1161 | ||
1162 | int RGWPeriod::use_latest_epoch() | |
1163 | { | |
1164 | RGWPeriodLatestEpochInfo info; | |
1165 | int ret = read_latest_epoch(info); | |
1166 | if (ret < 0) { | |
1167 | return ret; | |
1168 | } | |
1169 | ||
1170 | epoch = info.epoch; | |
1171 | ||
1172 | return 0; | |
1173 | } | |
1174 | ||
1175 | int RGWPeriod::set_latest_epoch(epoch_t epoch, bool exclusive) | |
1176 | { | |
1177 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1178 | ||
1179 | rgw_pool pool(get_pool(cct)); | |
1180 | bufferlist bl; | |
1181 | ||
1182 | RGWPeriodLatestEpochInfo info; | |
1183 | info.epoch = epoch; | |
1184 | ||
1185 | ::encode(info, bl); | |
1186 | ||
1187 | return rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), | |
1188 | exclusive, NULL, real_time(), NULL); | |
1189 | } | |
1190 | ||
1191 | int RGWPeriod::delete_obj() | |
1192 | { | |
1193 | rgw_pool pool(get_pool(cct)); | |
1194 | ||
1195 | // delete the object for each period epoch | |
1196 | for (epoch_t e = 1; e <= epoch; e++) { | |
1197 | RGWPeriod p{get_id(), e}; | |
1198 | rgw_raw_obj oid{pool, p.get_period_oid()}; | |
1199 | int ret = store->delete_system_obj(oid); | |
1200 | if (ret < 0) { | |
1201 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1202 | << ": " << cpp_strerror(-ret) << dendl; | |
1203 | } | |
1204 | } | |
1205 | ||
1206 | // delete the .latest_epoch object | |
1207 | rgw_raw_obj oid{pool, get_period_oid_prefix() + get_latest_epoch_oid()}; | |
1208 | int ret = store->delete_system_obj(oid); | |
1209 | if (ret < 0) { | |
1210 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1211 | << ": " << cpp_strerror(-ret) << dendl; | |
1212 | } | |
1213 | return ret; | |
1214 | } | |
1215 | ||
1216 | int RGWPeriod::read_info() | |
1217 | { | |
1218 | rgw_pool pool(get_pool(cct)); | |
1219 | ||
1220 | bufferlist bl; | |
1221 | ||
1222 | RGWObjectCtx obj_ctx(store); | |
1223 | int ret = rgw_get_system_obj(store, obj_ctx, pool, get_period_oid(), bl, NULL, NULL); | |
1224 | if (ret < 0) { | |
1225 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << get_period_oid() << ": " << cpp_strerror(-ret) << dendl; | |
1226 | return ret; | |
1227 | } | |
1228 | ||
1229 | try { | |
1230 | bufferlist::iterator iter = bl.begin(); | |
1231 | ::decode(*this, iter); | |
1232 | } catch (buffer::error& err) { | |
1233 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << get_period_oid() << dendl; | |
1234 | return -EIO; | |
1235 | } | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | int RGWPeriod::create(bool exclusive) | |
1241 | { | |
1242 | int ret; | |
1243 | ||
1244 | /* create unique id */ | |
1245 | uuid_d new_uuid; | |
1246 | char uuid_str[37]; | |
1247 | new_uuid.generate_random(); | |
1248 | new_uuid.print(uuid_str); | |
1249 | id = uuid_str; | |
1250 | ||
1251 | epoch = FIRST_EPOCH; | |
1252 | ||
1253 | period_map.id = id; | |
1254 | ||
1255 | ret = store_info(exclusive); | |
1256 | if (ret < 0) { | |
1257 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
1258 | } | |
1259 | ||
1260 | ret = set_latest_epoch(epoch); | |
1261 | if (ret < 0) { | |
1262 | ldout(cct, 0) << "ERROR: setting latest epoch " << id << ": " << cpp_strerror(-ret) << dendl; | |
1263 | } | |
1264 | ||
1265 | return ret; | |
1266 | } | |
1267 | ||
1268 | int RGWPeriod::store_info(bool exclusive) | |
1269 | { | |
1270 | epoch_t latest_epoch = FIRST_EPOCH - 1; | |
1271 | int ret = get_latest_epoch(latest_epoch); | |
1272 | if (ret < 0 && ret != -ENOENT) { | |
1273 | ldout(cct, 0) << "ERROR: RGWPeriod::get_latest_epoch() returned " << cpp_strerror(-ret) << dendl; | |
1274 | return ret; | |
1275 | } | |
1276 | ||
1277 | rgw_pool pool(get_pool(cct)); | |
1278 | ||
1279 | string oid = get_period_oid(); | |
1280 | bufferlist bl; | |
1281 | ::encode(*this, bl); | |
1282 | ret = rgw_put_system_obj(store, pool, oid, bl.c_str(), bl.length(), exclusive, NULL, real_time(), NULL); | |
1283 | if (ret < 0) { | |
1284 | ldout(cct, 0) << "ERROR: rgw_put_system_obj(" << pool << ":" << oid << "): " << cpp_strerror(-ret) << dendl; | |
1285 | return ret; | |
1286 | } | |
1287 | if (latest_epoch < epoch) { | |
1288 | ret = set_latest_epoch(epoch); | |
1289 | if (ret < 0) { | |
1290 | ldout(cct, 0) << "ERROR: RGWPeriod::set_latest_epoch() returned " << cpp_strerror(-ret) << dendl; | |
1291 | return ret; | |
1292 | } | |
1293 | } | |
1294 | return 0; | |
1295 | } | |
1296 | ||
1297 | rgw_pool RGWPeriod::get_pool(CephContext *cct) | |
1298 | { | |
1299 | if (cct->_conf->rgw_period_root_pool.empty()) { | |
1300 | return rgw_pool(RGW_DEFAULT_PERIOD_ROOT_POOL); | |
1301 | } | |
1302 | return rgw_pool(cct->_conf->rgw_period_root_pool); | |
1303 | } | |
1304 | ||
1305 | int RGWPeriod::use_next_epoch() | |
1306 | { | |
1307 | epoch_t latest_epoch; | |
1308 | int ret = get_latest_epoch(latest_epoch); | |
1309 | if (ret < 0) { | |
1310 | return ret; | |
1311 | } | |
1312 | epoch = latest_epoch + 1; | |
1313 | ret = read_info(); | |
1314 | if (ret < 0 && ret != -ENOENT) { | |
1315 | return ret; | |
1316 | } | |
1317 | if (ret == -ENOENT) { | |
1318 | ret = create(); | |
1319 | if (ret < 0) { | |
1320 | ldout(cct, 0) << "Error creating new epoch " << epoch << dendl; | |
1321 | return ret; | |
1322 | } | |
1323 | } | |
1324 | return 0; | |
1325 | } | |
1326 | ||
1327 | int RGWPeriod::add_zonegroup(const RGWZoneGroup& zonegroup) | |
1328 | { | |
1329 | if (zonegroup.realm_id != realm_id) { | |
1330 | return 0; | |
1331 | } | |
1332 | int ret = period_map.update(zonegroup, cct); | |
1333 | if (ret < 0) { | |
1334 | ldout(cct, 0) << "ERROR: updating period map: " << cpp_strerror(-ret) << dendl; | |
1335 | return ret; | |
1336 | } | |
1337 | ||
1338 | return store_info(false); | |
1339 | } | |
1340 | ||
1341 | int RGWPeriod::update() | |
1342 | { | |
1343 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << get_id() << dendl; | |
1344 | list<string> zonegroups; | |
1345 | int ret = store->list_zonegroups(zonegroups); | |
1346 | if (ret < 0) { | |
1347 | ldout(cct, 0) << "ERROR: failed to list zonegroups: " << cpp_strerror(-ret) << dendl; | |
1348 | return ret; | |
1349 | } | |
1350 | ||
1351 | // clear zone short ids of removed zones. period_map.update() will add the | |
1352 | // remaining zones back | |
1353 | period_map.short_zone_ids.clear(); | |
1354 | ||
1355 | for (auto& iter : zonegroups) { | |
1356 | RGWZoneGroup zg(string(), iter); | |
1357 | ret = zg.init(cct, store); | |
1358 | if (ret < 0) { | |
1359 | ldout(cct, 0) << "WARNING: zg.init() failed: " << cpp_strerror(-ret) << dendl; | |
1360 | continue; | |
1361 | } | |
1362 | ||
1363 | if (zg.realm_id != realm_id) { | |
1364 | ldout(cct, 20) << "skipping zonegroup " << zg.get_name() << " zone realm id " << zg.realm_id << ", not on our realm " << realm_id << dendl; | |
1365 | continue; | |
1366 | } | |
1367 | ||
1368 | if (zg.master_zone.empty()) { | |
1369 | ldout(cct, 0) << "ERROR: zonegroup " << zg.get_name() << " should have a master zone " << dendl; | |
1370 | return -EINVAL; | |
1371 | } | |
1372 | ||
1373 | if (zg.is_master_zonegroup()) { | |
1374 | master_zonegroup = zg.get_id(); | |
1375 | master_zone = zg.master_zone; | |
1376 | } | |
1377 | ||
1378 | int ret = period_map.update(zg, cct); | |
1379 | if (ret < 0) { | |
1380 | return ret; | |
1381 | } | |
1382 | } | |
1383 | ||
1384 | ret = period_config.read(store, realm_id); | |
1385 | if (ret < 0 && ret != -ENOENT) { | |
1386 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
1387 | << cpp_strerror(ret) << dendl; | |
1388 | return ret; | |
1389 | } | |
1390 | return 0; | |
1391 | } | |
1392 | ||
1393 | int RGWPeriod::reflect() | |
1394 | { | |
1395 | for (auto& iter : period_map.zonegroups) { | |
1396 | RGWZoneGroup& zg = iter.second; | |
1397 | zg.reinit_instance(cct, store); | |
1398 | int r = zg.write(false); | |
1399 | if (r < 0) { | |
1400 | ldout(cct, 0) << "ERROR: failed to store zonegroup info for zonegroup=" << iter.first << ": " << cpp_strerror(-r) << dendl; | |
1401 | return r; | |
1402 | } | |
1403 | if (zg.is_master_zonegroup()) { | |
1404 | // set master as default if no default exists | |
1405 | r = zg.set_as_default(true); | |
1406 | if (r == 0) { | |
1407 | ldout(cct, 1) << "Set the period's master zonegroup " << zg.get_id() | |
1408 | << " as the default" << dendl; | |
1409 | } | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | int r = period_config.write(store, realm_id); | |
1414 | if (r < 0) { | |
1415 | ldout(cct, 0) << "ERROR: failed to store period config: " | |
1416 | << cpp_strerror(-r) << dendl; | |
1417 | return r; | |
1418 | } | |
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | void RGWPeriod::fork() | |
1423 | { | |
1424 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << id << dendl; | |
1425 | predecessor_uuid = id; | |
1426 | id = get_staging_id(realm_id); | |
1427 | period_map.reset(); | |
1428 | realm_epoch++; | |
1429 | } | |
1430 | ||
1431 | static int read_sync_status(RGWRados *store, rgw_meta_sync_status *sync_status) | |
1432 | { | |
1433 | // initialize a sync status manager to read the status | |
1434 | RGWMetaSyncStatusManager mgr(store, store->get_async_rados()); | |
1435 | int r = mgr.init(); | |
1436 | if (r < 0) { | |
1437 | return r; | |
1438 | } | |
1439 | r = mgr.read_sync_status(sync_status); | |
1440 | mgr.stop(); | |
1441 | return r; | |
1442 | } | |
1443 | ||
1444 | int RGWPeriod::update_sync_status(const RGWPeriod ¤t_period, | |
1445 | std::ostream& error_stream, | |
1446 | bool force_if_stale) | |
1447 | { | |
1448 | rgw_meta_sync_status status; | |
1449 | int r = read_sync_status(store, &status); | |
1450 | if (r < 0) { | |
1451 | ldout(cct, 0) << "period failed to read sync status: " | |
1452 | << cpp_strerror(-r) << dendl; | |
1453 | return r; | |
1454 | } | |
1455 | ||
1456 | std::vector<std::string> markers; | |
1457 | ||
1458 | const auto current_epoch = current_period.get_realm_epoch(); | |
1459 | if (current_epoch != status.sync_info.realm_epoch) { | |
1460 | // no sync status markers for the current period | |
1461 | assert(current_epoch > status.sync_info.realm_epoch); | |
1462 | const int behind = current_epoch - status.sync_info.realm_epoch; | |
1463 | if (!force_if_stale && current_epoch > 1) { | |
1464 | error_stream << "ERROR: This zone is " << behind << " period(s) behind " | |
1465 | "the current master zone in metadata sync. If this zone is promoted " | |
1466 | "to master, any metadata changes during that time are likely to " | |
1467 | "be lost.\n" | |
1468 | "Waiting for this zone to catch up on metadata sync (see " | |
1469 | "'radosgw-admin sync status') is recommended.\n" | |
1470 | "To promote this zone to master anyway, add the flag " | |
1471 | "--yes-i-really-mean-it." << std::endl; | |
1472 | return -EINVAL; | |
1473 | } | |
1474 | // empty sync status markers - other zones will skip this period during | |
1475 | // incremental metadata sync | |
1476 | markers.resize(status.sync_info.num_shards); | |
1477 | } else { | |
1478 | markers.reserve(status.sync_info.num_shards); | |
1479 | for (auto& i : status.sync_markers) { | |
1480 | auto& marker = i.second; | |
1481 | // filter out markers from other periods | |
1482 | if (marker.realm_epoch != current_epoch) { | |
1483 | marker.marker.clear(); | |
1484 | } | |
1485 | markers.emplace_back(std::move(marker.marker)); | |
1486 | } | |
1487 | } | |
1488 | ||
1489 | std::swap(sync_status, markers); | |
1490 | return 0; | |
1491 | } | |
1492 | ||
1493 | int RGWPeriod::commit(RGWRealm& realm, const RGWPeriod& current_period, | |
1494 | std::ostream& error_stream, bool force_if_stale) | |
1495 | { | |
1496 | ldout(cct, 20) << __func__ << " realm " << realm.get_id() << " period " << current_period.get_id() << dendl; | |
1497 | // gateway must be in the master zone to commit | |
1498 | if (master_zone != store->get_zone_params().get_id()) { | |
1499 | error_stream << "Cannot commit period on zone " | |
1500 | << store->get_zone_params().get_id() << ", it must be sent to " | |
1501 | "the period's master zone " << master_zone << '.' << std::endl; | |
1502 | return -EINVAL; | |
1503 | } | |
1504 | // period predecessor must match current period | |
1505 | if (predecessor_uuid != current_period.get_id()) { | |
1506 | error_stream << "Period predecessor " << predecessor_uuid | |
1507 | << " does not match current period " << current_period.get_id() | |
1508 | << ". Use 'period pull' to get the latest period from the master, " | |
1509 | "reapply your changes, and try again." << std::endl; | |
1510 | return -EINVAL; | |
1511 | } | |
1512 | // realm epoch must be 1 greater than current period | |
1513 | if (realm_epoch != current_period.get_realm_epoch() + 1) { | |
1514 | error_stream << "Period's realm epoch " << realm_epoch | |
1515 | << " does not come directly after current realm epoch " | |
1516 | << current_period.get_realm_epoch() << ". Use 'realm pull' to get the " | |
1517 | "latest realm and period from the master zone, reapply your changes, " | |
1518 | "and try again." << std::endl; | |
1519 | return -EINVAL; | |
1520 | } | |
1521 | // did the master zone change? | |
1522 | if (master_zone != current_period.get_master_zone()) { | |
1523 | // store the current metadata sync status in the period | |
1524 | int r = update_sync_status(current_period, error_stream, force_if_stale); | |
1525 | if (r < 0) { | |
1526 | ldout(cct, 0) << "failed to update metadata sync status: " | |
1527 | << cpp_strerror(-r) << dendl; | |
1528 | return r; | |
1529 | } | |
1530 | // create an object with a new period id | |
1531 | r = create(true); | |
1532 | if (r < 0) { | |
1533 | ldout(cct, 0) << "failed to create new period: " << cpp_strerror(-r) << dendl; | |
1534 | return r; | |
1535 | } | |
1536 | // set as current period | |
1537 | r = realm.set_current_period(*this); | |
1538 | if (r < 0) { | |
1539 | ldout(cct, 0) << "failed to update realm's current period: " | |
1540 | << cpp_strerror(-r) << dendl; | |
1541 | return r; | |
1542 | } | |
1543 | ldout(cct, 4) << "Promoted to master zone and committed new period " | |
1544 | << id << dendl; | |
1545 | realm.notify_new_period(*this); | |
1546 | return 0; | |
1547 | } | |
1548 | // period must be based on current epoch | |
1549 | if (epoch != current_period.get_epoch()) { | |
1550 | error_stream << "Period epoch " << epoch << " does not match " | |
1551 | "predecessor epoch " << current_period.get_epoch() | |
1552 | << ". Use 'period pull' to get the latest epoch from the master zone, " | |
1553 | "reapply your changes, and try again." << std::endl; | |
1554 | return -EINVAL; | |
1555 | } | |
1556 | // set period as next epoch | |
1557 | set_id(current_period.get_id()); | |
1558 | set_epoch(current_period.get_epoch() + 1); | |
1559 | set_predecessor(current_period.get_predecessor()); | |
1560 | realm_epoch = current_period.get_realm_epoch(); | |
1561 | // write the period to rados | |
1562 | int r = store_info(false); | |
1563 | if (r < 0) { | |
1564 | ldout(cct, 0) << "failed to store period: " << cpp_strerror(-r) << dendl; | |
1565 | return r; | |
1566 | } | |
1567 | // set as latest epoch | |
1568 | r = set_latest_epoch(epoch); | |
1569 | if (r < 0) { | |
1570 | ldout(cct, 0) << "failed to set latest epoch: " << cpp_strerror(-r) << dendl; | |
1571 | return r; | |
1572 | } | |
1573 | r = reflect(); | |
1574 | if (r < 0) { | |
1575 | ldout(cct, 0) << "failed to update local objects: " << cpp_strerror(-r) << dendl; | |
1576 | return r; | |
1577 | } | |
1578 | ldout(cct, 4) << "Committed new epoch " << epoch | |
1579 | << " for period " << id << dendl; | |
1580 | realm.notify_new_period(*this); | |
1581 | return 0; | |
1582 | } | |
1583 | ||
1584 | int RGWZoneParams::create_default(bool old_format) | |
1585 | { | |
1586 | name = default_zone_name; | |
1587 | ||
1588 | int r = create(); | |
1589 | if (r < 0) { | |
1590 | return r; | |
1591 | } | |
1592 | ||
1593 | if (old_format) { | |
1594 | name = id; | |
1595 | } | |
1596 | ||
1597 | return r; | |
1598 | } | |
1599 | ||
1600 | ||
1601 | int get_zones_pool_set(CephContext* cct, | |
1602 | RGWRados* store, | |
1603 | const list<string>& zones, | |
1604 | const string& my_zone_id, | |
1605 | set<rgw_pool>& pool_names) | |
1606 | { | |
1607 | for(auto const& iter : zones) { | |
1608 | RGWZoneParams zone(iter); | |
1609 | int r = zone.init(cct, store); | |
1610 | if (r < 0) { | |
1611 | ldout(cct, 0) << "Error: init zone " << iter << ":" << cpp_strerror(-r) << dendl; | |
1612 | return r; | |
1613 | } | |
1614 | if (zone.get_id() != my_zone_id) { | |
1615 | pool_names.insert(zone.domain_root); | |
1616 | pool_names.insert(zone.metadata_heap); | |
1617 | pool_names.insert(zone.control_pool); | |
1618 | pool_names.insert(zone.gc_pool); | |
1619 | pool_names.insert(zone.log_pool); | |
1620 | pool_names.insert(zone.intent_log_pool); | |
1621 | pool_names.insert(zone.usage_log_pool); | |
1622 | pool_names.insert(zone.user_keys_pool); | |
1623 | pool_names.insert(zone.user_email_pool); | |
1624 | pool_names.insert(zone.user_swift_pool); | |
1625 | pool_names.insert(zone.user_uid_pool); | |
1626 | pool_names.insert(zone.roles_pool); | |
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); | |
1697 | ||
1698 | for(auto& iter : placement_pools) { | |
1699 | iter.second.index_pool = fix_zone_pool_dup(pools, name, "." + default_bucket_index_pool_suffix, | |
1700 | iter.second.index_pool); | |
1701 | iter.second.data_pool = fix_zone_pool_dup(pools, name, "." + default_storage_pool_suffix, | |
1702 | iter.second.data_pool); | |
1703 | iter.second.data_extra_pool= fix_zone_pool_dup(pools, name, "." + default_storage_extra_pool_suffix, | |
1704 | iter.second.data_extra_pool); | |
1705 | } | |
1706 | ||
1707 | return 0; | |
1708 | } | |
1709 | ||
1710 | int RGWZoneParams::create(bool exclusive) | |
1711 | { | |
1712 | /* check for old pools config */ | |
1713 | rgw_raw_obj obj(domain_root, avail_pools); | |
1714 | int r = store->raw_obj_stat(obj, NULL, NULL, NULL, NULL, NULL, NULL); | |
1715 | if (r < 0) { | |
1716 | ldout(store->ctx(), 10) << "couldn't find old data placement pools config, setting up new ones for the zone" << dendl; | |
1717 | /* a new system, let's set new placement info */ | |
1718 | RGWZonePlacementInfo default_placement; | |
1719 | default_placement.index_pool = name + "." + default_bucket_index_pool_suffix; | |
1720 | default_placement.data_pool = name + "." + default_storage_pool_suffix; | |
1721 | default_placement.data_extra_pool = name + "." + default_storage_extra_pool_suffix; | |
1722 | placement_pools["default-placement"] = default_placement; | |
1723 | } | |
1724 | ||
1725 | r = fix_pool_names(); | |
1726 | if (r < 0) { | |
1727 | ldout(cct, 0) << "ERROR: fix_pool_names returned r=" << r << dendl; | |
1728 | return r; | |
1729 | } | |
1730 | ||
1731 | r = RGWSystemMetaObj::create(exclusive); | |
1732 | if (r < 0) { | |
1733 | return r; | |
1734 | } | |
1735 | ||
1736 | // try to set as default. may race with another create, so pass exclusive=true | |
1737 | // so we don't override an existing default | |
1738 | r = set_as_default(true); | |
1739 | if (r < 0 && r != -EEXIST) { | |
1740 | ldout(cct, 10) << "WARNING: failed to set zone as default, r=" << r << dendl; | |
1741 | } | |
1742 | ||
1743 | return 0; | |
1744 | } | |
1745 | ||
1746 | rgw_pool RGWZoneParams::get_pool(CephContext *cct) | |
1747 | { | |
1748 | if (cct->_conf->rgw_zone_root_pool.empty()) { | |
1749 | return rgw_pool(RGW_DEFAULT_ZONE_ROOT_POOL); | |
1750 | } | |
1751 | ||
1752 | return rgw_pool(cct->_conf->rgw_zone_root_pool); | |
1753 | } | |
1754 | ||
1755 | const string RGWZoneParams::get_default_oid(bool old_format) | |
1756 | { | |
1757 | if (old_format) { | |
1758 | return cct->_conf->rgw_default_zone_info_oid; | |
1759 | } | |
1760 | ||
1761 | return cct->_conf->rgw_default_zone_info_oid + "." + realm_id; | |
1762 | } | |
1763 | ||
1764 | const string& RGWZoneParams::get_names_oid_prefix() | |
1765 | { | |
1766 | return zone_names_oid_prefix; | |
1767 | } | |
1768 | ||
1769 | const string& RGWZoneParams::get_info_oid_prefix(bool old_format) | |
1770 | { | |
1771 | return zone_info_oid_prefix; | |
1772 | } | |
1773 | ||
1774 | const string& RGWZoneParams::get_predefined_name(CephContext *cct) { | |
1775 | return cct->_conf->rgw_zone; | |
1776 | } | |
1777 | ||
1778 | int RGWZoneParams::init(CephContext *cct, RGWRados *store, bool setup_obj, bool old_format) | |
1779 | { | |
1780 | if (name.empty()) { | |
1781 | name = cct->_conf->rgw_zone; | |
1782 | } | |
1783 | ||
1784 | return RGWSystemMetaObj::init(cct, store, setup_obj, old_format); | |
1785 | } | |
1786 | ||
1787 | int RGWZoneParams::read_default_id(string& default_id, bool old_format) | |
1788 | { | |
1789 | if (realm_id.empty()) { | |
1790 | /* try using default realm */ | |
1791 | RGWRealm realm; | |
1792 | int ret = realm.init(cct, store); | |
1793 | if (ret < 0) { | |
1794 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1795 | return -ENOENT; | |
1796 | } | |
1797 | realm_id = realm.get_id(); | |
1798 | } | |
1799 | ||
1800 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
1801 | } | |
1802 | ||
1803 | ||
1804 | int RGWZoneParams::set_as_default(bool exclusive) | |
1805 | { | |
1806 | if (realm_id.empty()) { | |
1807 | /* try using default realm */ | |
1808 | RGWRealm realm; | |
1809 | int ret = realm.init(cct, store); | |
1810 | if (ret < 0) { | |
1811 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1812 | return -EINVAL; | |
1813 | } | |
1814 | realm_id = realm.get_id(); | |
1815 | } | |
1816 | ||
1817 | return RGWSystemMetaObj::set_as_default(exclusive); | |
1818 | } | |
1819 | ||
1820 | const string& RGWZoneParams::get_compression_type(const string& placement_rule) const | |
1821 | { | |
1822 | static const std::string NONE{"none"}; | |
1823 | auto p = placement_pools.find(placement_rule); | |
1824 | if (p == placement_pools.end()) { | |
1825 | return NONE; | |
1826 | } | |
1827 | const auto& type = p->second.compression_type; | |
1828 | return !type.empty() ? type : NONE; | |
1829 | } | |
1830 | ||
1831 | void RGWPeriodMap::encode(bufferlist& bl) const { | |
1832 | ENCODE_START(2, 1, bl); | |
1833 | ::encode(id, bl); | |
1834 | ::encode(zonegroups, bl); | |
1835 | ::encode(master_zonegroup, bl); | |
1836 | ::encode(short_zone_ids, bl); | |
1837 | ENCODE_FINISH(bl); | |
1838 | } | |
1839 | ||
1840 | void RGWPeriodMap::decode(bufferlist::iterator& bl) { | |
1841 | DECODE_START(2, bl); | |
1842 | ::decode(id, bl); | |
1843 | ::decode(zonegroups, bl); | |
1844 | ::decode(master_zonegroup, bl); | |
1845 | if (struct_v >= 2) { | |
1846 | ::decode(short_zone_ids, bl); | |
1847 | } | |
1848 | DECODE_FINISH(bl); | |
1849 | ||
1850 | zonegroups_by_api.clear(); | |
1851 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1852 | iter != zonegroups.end(); ++iter) { | |
1853 | RGWZoneGroup& zonegroup = iter->second; | |
1854 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1855 | if (zonegroup.is_master) { | |
1856 | master_zonegroup = zonegroup.get_id(); | |
1857 | } | |
1858 | } | |
1859 | } | |
1860 | ||
1861 | // run an MD5 hash on the zone_id and return the first 32 bits | |
1862 | static uint32_t gen_short_zone_id(const std::string zone_id) | |
1863 | { | |
1864 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
1865 | MD5 hash; | |
1866 | hash.Update((const byte *)zone_id.c_str(), zone_id.size()); | |
1867 | hash.Final(md5); | |
1868 | ||
1869 | uint32_t short_id; | |
1870 | memcpy((char *)&short_id, md5, sizeof(short_id)); | |
1871 | return std::max(short_id, 1u); | |
1872 | } | |
1873 | ||
1874 | int RGWPeriodMap::update(const RGWZoneGroup& zonegroup, CephContext *cct) | |
1875 | { | |
1876 | if (zonegroup.is_master && (!master_zonegroup.empty() && zonegroup.get_id() != master_zonegroup)) { | |
1877 | ldout(cct,0) << "Error updating periodmap, multiple master zonegroups configured "<< dendl; | |
1878 | ldout(cct,0) << "master zonegroup: " << master_zonegroup << " and " << zonegroup.get_id() <<dendl; | |
1879 | return -EINVAL; | |
1880 | } | |
1881 | map<string, RGWZoneGroup>::iterator iter = zonegroups.find(zonegroup.get_id()); | |
1882 | if (iter != zonegroups.end()) { | |
1883 | RGWZoneGroup& old_zonegroup = iter->second; | |
1884 | if (!old_zonegroup.api_name.empty()) { | |
1885 | zonegroups_by_api.erase(old_zonegroup.api_name); | |
1886 | } | |
1887 | } | |
1888 | zonegroups[zonegroup.get_id()] = zonegroup; | |
1889 | ||
1890 | if (!zonegroup.api_name.empty()) { | |
1891 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1892 | } | |
1893 | ||
1894 | if (zonegroup.is_master) { | |
1895 | master_zonegroup = zonegroup.get_id(); | |
1896 | } else if (master_zonegroup == zonegroup.get_id()) { | |
1897 | master_zonegroup = ""; | |
1898 | } | |
1899 | ||
1900 | for (auto& i : zonegroup.zones) { | |
1901 | auto& zone = i.second; | |
1902 | if (short_zone_ids.find(zone.id) != short_zone_ids.end()) { | |
1903 | continue; | |
1904 | } | |
1905 | // calculate the zone's short id | |
1906 | uint32_t short_id = gen_short_zone_id(zone.id); | |
1907 | ||
1908 | // search for an existing zone with the same short id | |
1909 | for (auto& s : short_zone_ids) { | |
1910 | if (s.second == short_id) { | |
1911 | ldout(cct, 0) << "New zone '" << zone.name << "' (" << zone.id | |
1912 | << ") generates the same short_zone_id " << short_id | |
1913 | << " as existing zone id " << s.first << dendl; | |
1914 | return -EEXIST; | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | short_zone_ids[zone.id] = short_id; | |
1919 | } | |
1920 | ||
1921 | return 0; | |
1922 | } | |
1923 | ||
1924 | uint32_t RGWPeriodMap::get_zone_short_id(const string& zone_id) const | |
1925 | { | |
1926 | auto i = short_zone_ids.find(zone_id); | |
1927 | if (i == short_zone_ids.end()) { | |
1928 | return 0; | |
1929 | } | |
1930 | return i->second; | |
1931 | } | |
1932 | ||
1933 | int RGWZoneGroupMap::read(CephContext *cct, RGWRados *store) | |
1934 | { | |
1935 | ||
1936 | RGWPeriod period; | |
1937 | int ret = period.init(cct, store); | |
1938 | if (ret < 0) { | |
1939 | cerr << "failed to read current period info: " << cpp_strerror(ret); | |
1940 | return ret; | |
1941 | } | |
1942 | ||
1943 | bucket_quota = period.get_config().bucket_quota; | |
1944 | user_quota = period.get_config().user_quota; | |
1945 | zonegroups = period.get_map().zonegroups; | |
1946 | zonegroups_by_api = period.get_map().zonegroups_by_api; | |
1947 | master_zonegroup = period.get_map().master_zonegroup; | |
1948 | ||
1949 | return 0; | |
1950 | } | |
1951 | ||
1952 | void RGWRegionMap::encode(bufferlist& bl) const { | |
1953 | ENCODE_START( 3, 1, bl); | |
1954 | ::encode(regions, bl); | |
1955 | ::encode(master_region, bl); | |
1956 | ::encode(bucket_quota, bl); | |
1957 | ::encode(user_quota, bl); | |
1958 | ENCODE_FINISH(bl); | |
1959 | } | |
1960 | ||
1961 | void RGWRegionMap::decode(bufferlist::iterator& bl) { | |
1962 | DECODE_START(3, bl); | |
1963 | ::decode(regions, bl); | |
1964 | ::decode(master_region, bl); | |
1965 | if (struct_v >= 2) | |
1966 | ::decode(bucket_quota, bl); | |
1967 | if (struct_v >= 3) | |
1968 | ::decode(user_quota, bl); | |
1969 | DECODE_FINISH(bl); | |
1970 | } | |
1971 | ||
1972 | void RGWZoneGroupMap::encode(bufferlist& bl) const { | |
1973 | ENCODE_START( 3, 1, bl); | |
1974 | ::encode(zonegroups, bl); | |
1975 | ::encode(master_zonegroup, bl); | |
1976 | ::encode(bucket_quota, bl); | |
1977 | ::encode(user_quota, bl); | |
1978 | ENCODE_FINISH(bl); | |
1979 | } | |
1980 | ||
1981 | void RGWZoneGroupMap::decode(bufferlist::iterator& bl) { | |
1982 | DECODE_START(3, bl); | |
1983 | ::decode(zonegroups, bl); | |
1984 | ::decode(master_zonegroup, bl); | |
1985 | if (struct_v >= 2) | |
1986 | ::decode(bucket_quota, bl); | |
1987 | if (struct_v >= 3) | |
1988 | ::decode(user_quota, bl); | |
1989 | DECODE_FINISH(bl); | |
1990 | ||
1991 | zonegroups_by_api.clear(); | |
1992 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1993 | iter != zonegroups.end(); ++iter) { | |
1994 | RGWZoneGroup& zonegroup = iter->second; | |
1995 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1996 | if (zonegroup.is_master) { | |
1997 | master_zonegroup = zonegroup.get_name(); | |
1998 | } | |
1999 | } | |
2000 | } | |
2001 | ||
2002 | void RGWObjVersionTracker::prepare_op_for_read(ObjectReadOperation *op) | |
2003 | { | |
2004 | obj_version *check_objv = version_for_check(); | |
2005 | ||
2006 | if (check_objv) { | |
2007 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2008 | } | |
2009 | ||
2010 | cls_version_read(*op, &read_version); | |
2011 | } | |
2012 | ||
2013 | void RGWObjVersionTracker::prepare_op_for_write(ObjectWriteOperation *op) | |
2014 | { | |
2015 | obj_version *check_objv = version_for_check(); | |
2016 | obj_version *modify_version = version_for_write(); | |
2017 | ||
2018 | if (check_objv) { | |
2019 | cls_version_check(*op, *check_objv, VER_COND_EQ); | |
2020 | } | |
2021 | ||
2022 | if (modify_version) { | |
2023 | cls_version_set(*op, *modify_version); | |
2024 | } else { | |
2025 | cls_version_inc(*op); | |
2026 | } | |
2027 | } | |
2028 | ||
2029 | void RGWObjManifest::obj_iterator::operator++() | |
2030 | { | |
2031 | if (manifest->explicit_objs) { | |
2032 | ++explicit_iter; | |
2033 | ||
2034 | if (explicit_iter == manifest->objs.end()) { | |
2035 | ofs = manifest->obj_size; | |
2036 | return; | |
2037 | } | |
2038 | ||
2039 | update_explicit_pos(); | |
2040 | ||
2041 | update_location(); | |
2042 | return; | |
2043 | } | |
2044 | ||
2045 | uint64_t obj_size = manifest->get_obj_size(); | |
2046 | uint64_t head_size = manifest->get_head_size(); | |
2047 | ||
2048 | if (ofs == obj_size) { | |
2049 | return; | |
2050 | } | |
2051 | ||
2052 | if (manifest->rules.empty()) { | |
2053 | return; | |
2054 | } | |
2055 | ||
2056 | /* are we still pointing at the head? */ | |
2057 | if (ofs < head_size) { | |
2058 | rule_iter = manifest->rules.begin(); | |
2059 | RGWObjManifestRule *rule = &rule_iter->second; | |
2060 | ofs = MIN(head_size, obj_size); | |
2061 | stripe_ofs = ofs; | |
2062 | cur_stripe = 1; | |
2063 | stripe_size = MIN(obj_size - ofs, rule->stripe_max_size); | |
2064 | if (rule->part_size > 0) { | |
2065 | stripe_size = MIN(stripe_size, rule->part_size); | |
2066 | } | |
2067 | update_location(); | |
2068 | return; | |
2069 | } | |
2070 | ||
2071 | RGWObjManifestRule *rule = &rule_iter->second; | |
2072 | ||
2073 | stripe_ofs += rule->stripe_max_size; | |
2074 | cur_stripe++; | |
2075 | dout(20) << "RGWObjManifest::operator++(): rule->part_size=" << rule->part_size << " rules.size()=" << manifest->rules.size() << dendl; | |
2076 | ||
2077 | if (rule->part_size > 0) { | |
2078 | /* multi part, multi stripes object */ | |
2079 | ||
2080 | dout(20) << "RGWObjManifest::operator++(): stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2081 | ||
2082 | if (stripe_ofs >= part_ofs + rule->part_size) { | |
2083 | /* moved to the next part */ | |
2084 | cur_stripe = 0; | |
2085 | part_ofs += rule->part_size; | |
2086 | stripe_ofs = part_ofs; | |
2087 | ||
2088 | bool last_rule = (next_rule_iter == manifest->rules.end()); | |
2089 | /* move to the next rule? */ | |
2090 | if (!last_rule && stripe_ofs >= next_rule_iter->second.start_ofs) { | |
2091 | rule_iter = next_rule_iter; | |
2092 | last_rule = (next_rule_iter == manifest->rules.end()); | |
2093 | if (!last_rule) { | |
2094 | ++next_rule_iter; | |
2095 | } | |
2096 | cur_part_id = rule_iter->second.start_part_num; | |
2097 | } else { | |
2098 | cur_part_id++; | |
2099 | } | |
2100 | ||
2101 | rule = &rule_iter->second; | |
2102 | } | |
2103 | ||
2104 | stripe_size = MIN(rule->part_size - (stripe_ofs - part_ofs), rule->stripe_max_size); | |
2105 | } | |
2106 | ||
2107 | cur_override_prefix = rule->override_prefix; | |
2108 | ||
2109 | ofs = stripe_ofs; | |
2110 | if (ofs > obj_size) { | |
2111 | ofs = obj_size; | |
2112 | stripe_ofs = ofs; | |
2113 | stripe_size = 0; | |
2114 | } | |
2115 | ||
2116 | dout(20) << "RGWObjManifest::operator++(): result: ofs=" << ofs << " stripe_ofs=" << stripe_ofs << " part_ofs=" << part_ofs << " rule->part_size=" << rule->part_size << dendl; | |
2117 | update_location(); | |
2118 | } | |
2119 | ||
2120 | int RGWObjManifest::generator::create_begin(CephContext *cct, RGWObjManifest *_m, const string& placement_rule, rgw_bucket& _b, rgw_obj& _obj) | |
2121 | { | |
2122 | manifest = _m; | |
2123 | ||
2124 | manifest->set_tail_placement(placement_rule, _b); | |
2125 | manifest->set_head(placement_rule, _obj, 0); | |
2126 | last_ofs = 0; | |
2127 | ||
2128 | if (manifest->get_prefix().empty()) { | |
2129 | char buf[33]; | |
2130 | gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1); | |
2131 | ||
2132 | string oid_prefix = "."; | |
2133 | oid_prefix.append(buf); | |
2134 | oid_prefix.append("_"); | |
2135 | ||
2136 | manifest->set_prefix(oid_prefix); | |
2137 | } | |
2138 | ||
2139 | bool found = manifest->get_rule(0, &rule); | |
2140 | if (!found) { | |
2141 | derr << "ERROR: manifest->get_rule() could not find rule" << dendl; | |
2142 | return -EIO; | |
2143 | } | |
2144 | ||
2145 | uint64_t head_size = manifest->get_head_size(); | |
2146 | ||
2147 | if (head_size > 0) { | |
2148 | cur_stripe_size = head_size; | |
2149 | } else { | |
2150 | cur_stripe_size = rule.stripe_max_size; | |
2151 | } | |
2152 | ||
2153 | cur_part_id = rule.start_part_num; | |
2154 | ||
2155 | manifest->get_implicit_location(cur_part_id, cur_stripe, 0, NULL, &cur_obj); | |
2156 | ||
2157 | // Normal object which not generated through copy operation | |
2158 | manifest->set_tail_instance(_obj.key.instance); | |
2159 | ||
2160 | manifest->update_iterators(); | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | int RGWObjManifest::generator::create_next(uint64_t ofs) | |
2166 | { | |
2167 | if (ofs < last_ofs) /* only going forward */ | |
2168 | return -EINVAL; | |
2169 | ||
2170 | uint64_t max_head_size = manifest->get_max_head_size(); | |
2171 | ||
2172 | if (ofs < max_head_size) { | |
2173 | manifest->set_head_size(ofs); | |
2174 | } | |
2175 | ||
2176 | if (ofs >= max_head_size) { | |
2177 | manifest->set_head_size(max_head_size); | |
2178 | cur_stripe = (ofs - max_head_size) / rule.stripe_max_size; | |
2179 | cur_stripe_size = rule.stripe_max_size; | |
2180 | ||
2181 | if (cur_part_id == 0 && max_head_size > 0) { | |
2182 | cur_stripe++; | |
2183 | } | |
2184 | } | |
2185 | ||
2186 | last_ofs = ofs; | |
2187 | manifest->set_obj_size(ofs); | |
2188 | ||
2189 | manifest->get_implicit_location(cur_part_id, cur_stripe, ofs, NULL, &cur_obj); | |
2190 | ||
2191 | manifest->update_iterators(); | |
2192 | ||
2193 | return 0; | |
2194 | } | |
2195 | ||
2196 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_begin() | |
2197 | { | |
2198 | return begin_iter; | |
2199 | } | |
2200 | ||
2201 | const RGWObjManifest::obj_iterator& RGWObjManifest::obj_end() | |
2202 | { | |
2203 | return end_iter; | |
2204 | } | |
2205 | ||
2206 | RGWObjManifest::obj_iterator RGWObjManifest::obj_find(uint64_t ofs) | |
2207 | { | |
2208 | if (ofs > obj_size) { | |
2209 | ofs = obj_size; | |
2210 | } | |
2211 | RGWObjManifest::obj_iterator iter(this); | |
2212 | iter.seek(ofs); | |
2213 | return iter; | |
2214 | } | |
2215 | ||
2216 | int RGWObjManifest::append(RGWObjManifest& m, RGWZoneGroup& zonegroup, RGWZoneParams& zone_params) | |
2217 | { | |
2218 | if (explicit_objs || m.explicit_objs) { | |
2219 | return append_explicit(m, zonegroup, zone_params); | |
2220 | } | |
2221 | ||
2222 | if (rules.empty()) { | |
2223 | *this = m; | |
2224 | return 0; | |
2225 | } | |
2226 | ||
2227 | string override_prefix; | |
2228 | ||
2229 | if (prefix.empty()) { | |
2230 | prefix = m.prefix; | |
2231 | } | |
2232 | ||
2233 | if (prefix != m.prefix) { | |
2234 | override_prefix = m.prefix; | |
2235 | } | |
2236 | ||
2237 | map<uint64_t, RGWObjManifestRule>::iterator miter = m.rules.begin(); | |
2238 | if (miter == m.rules.end()) { | |
2239 | return append_explicit(m, zonegroup, zone_params); | |
2240 | } | |
2241 | ||
2242 | for (; miter != m.rules.end(); ++miter) { | |
2243 | map<uint64_t, RGWObjManifestRule>::reverse_iterator last_rule = rules.rbegin(); | |
2244 | ||
2245 | RGWObjManifestRule& rule = last_rule->second; | |
2246 | ||
2247 | if (rule.part_size == 0) { | |
2248 | rule.part_size = obj_size - rule.start_ofs; | |
2249 | } | |
2250 | ||
2251 | RGWObjManifestRule& next_rule = miter->second; | |
2252 | if (!next_rule.part_size) { | |
2253 | next_rule.part_size = m.obj_size - next_rule.start_ofs; | |
2254 | } | |
2255 | ||
2256 | string rule_prefix = prefix; | |
2257 | if (!rule.override_prefix.empty()) { | |
2258 | rule_prefix = rule.override_prefix; | |
2259 | } | |
2260 | ||
2261 | string next_rule_prefix = m.prefix; | |
2262 | if (!next_rule.override_prefix.empty()) { | |
2263 | next_rule_prefix = next_rule.override_prefix; | |
2264 | } | |
2265 | ||
2266 | if (rule.part_size != next_rule.part_size || | |
2267 | rule.stripe_max_size != next_rule.stripe_max_size || | |
2268 | rule_prefix != next_rule_prefix) { | |
2269 | if (next_rule_prefix != prefix) { | |
2270 | append_rules(m, miter, &next_rule_prefix); | |
2271 | } else { | |
2272 | append_rules(m, miter, NULL); | |
2273 | } | |
2274 | break; | |
2275 | } | |
2276 | ||
2277 | uint64_t expected_part_num = rule.start_part_num + 1; | |
2278 | if (rule.part_size > 0) { | |
2279 | expected_part_num = rule.start_part_num + (obj_size + next_rule.start_ofs - rule.start_ofs) / rule.part_size; | |
2280 | } | |
2281 | ||
2282 | if (expected_part_num != next_rule.start_part_num) { | |
2283 | append_rules(m, miter, NULL); | |
2284 | break; | |
2285 | } | |
2286 | } | |
2287 | ||
2288 | set_obj_size(obj_size + m.obj_size); | |
2289 | ||
2290 | return 0; | |
2291 | } | |
2292 | ||
2293 | int RGWObjManifest::append(RGWObjManifest& m, RGWRados *store) | |
2294 | { | |
2295 | return append(m, store->get_zonegroup(), store->get_zone_params()); | |
2296 | } | |
2297 | ||
2298 | void RGWObjManifest::append_rules(RGWObjManifest& m, map<uint64_t, RGWObjManifestRule>::iterator& miter, | |
2299 | string *override_prefix) | |
2300 | { | |
2301 | for (; miter != m.rules.end(); ++miter) { | |
2302 | RGWObjManifestRule rule = miter->second; | |
2303 | rule.start_ofs += obj_size; | |
2304 | if (override_prefix) | |
2305 | rule.override_prefix = *override_prefix; | |
2306 | rules[rule.start_ofs] = rule; | |
2307 | } | |
2308 | } | |
2309 | ||
2310 | void RGWObjManifest::convert_to_explicit(const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2311 | { | |
2312 | if (explicit_objs) { | |
2313 | return; | |
2314 | } | |
2315 | obj_iterator iter = obj_begin(); | |
2316 | ||
2317 | while (iter != obj_end()) { | |
2318 | RGWObjManifestPart& part = objs[iter.get_stripe_ofs()]; | |
2319 | const rgw_obj_select& os = iter.get_location(); | |
2320 | const rgw_raw_obj& raw_loc = os.get_raw_obj(zonegroup, zone_params); | |
2321 | part.loc_ofs = 0; | |
2322 | ||
2323 | uint64_t ofs = iter.get_stripe_ofs(); | |
2324 | ||
2325 | if (ofs == 0) { | |
2326 | part.loc = obj; | |
2327 | } else { | |
2328 | rgw_raw_obj_to_obj(tail_placement.bucket, raw_loc, &part.loc); | |
2329 | } | |
2330 | ++iter; | |
2331 | uint64_t next_ofs = iter.get_stripe_ofs(); | |
2332 | ||
2333 | part.size = next_ofs - ofs; | |
2334 | } | |
2335 | ||
2336 | explicit_objs = true; | |
2337 | rules.clear(); | |
2338 | prefix.clear(); | |
2339 | } | |
2340 | ||
2341 | int RGWObjManifest::append_explicit(RGWObjManifest& m, const RGWZoneGroup& zonegroup, const RGWZoneParams& zone_params) | |
2342 | { | |
2343 | if (!explicit_objs) { | |
2344 | convert_to_explicit(zonegroup, zone_params); | |
2345 | } | |
2346 | if (!m.explicit_objs) { | |
2347 | m.convert_to_explicit(zonegroup, zone_params); | |
2348 | } | |
2349 | map<uint64_t, RGWObjManifestPart>::iterator iter; | |
2350 | uint64_t base = obj_size; | |
2351 | for (iter = m.objs.begin(); iter != m.objs.end(); ++iter) { | |
2352 | RGWObjManifestPart& part = iter->second; | |
2353 | objs[base + iter->first] = part; | |
2354 | } | |
2355 | obj_size += m.obj_size; | |
2356 | ||
2357 | return 0; | |
2358 | } | |
2359 | ||
2360 | bool RGWObjManifest::get_rule(uint64_t ofs, RGWObjManifestRule *rule) | |
2361 | { | |
2362 | if (rules.empty()) { | |
2363 | return false; | |
2364 | } | |
2365 | ||
2366 | map<uint64_t, RGWObjManifestRule>::iterator iter = rules.upper_bound(ofs); | |
2367 | if (iter != rules.begin()) { | |
2368 | --iter; | |
2369 | } | |
2370 | ||
2371 | *rule = iter->second; | |
2372 | ||
2373 | return true; | |
2374 | } | |
2375 | ||
2376 | void RGWObjVersionTracker::generate_new_write_ver(CephContext *cct) | |
2377 | { | |
2378 | write_version.ver = 1; | |
2379 | #define TAG_LEN 24 | |
2380 | ||
2381 | write_version.tag.clear(); | |
2382 | append_rand_alpha(cct, write_version.tag, write_version.tag, TAG_LEN); | |
2383 | } | |
2384 | ||
2385 | int RGWPutObjProcessor::complete(size_t accounted_size, const string& etag, | |
2386 | real_time *mtime, real_time set_mtime, | |
2387 | map<string, bufferlist>& attrs, real_time delete_at, | |
2388 | const char *if_match, const char *if_nomatch, const string *user_data) | |
2389 | { | |
2390 | int r = do_complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at, if_match, if_nomatch, user_data); | |
2391 | if (r < 0) | |
2392 | return r; | |
2393 | ||
2394 | is_complete = !canceled; | |
2395 | return 0; | |
2396 | } | |
2397 | ||
2398 | CephContext *RGWPutObjProcessor::ctx() | |
2399 | { | |
2400 | return store->ctx(); | |
2401 | } | |
2402 | ||
2403 | RGWPutObjProcessor_Aio::~RGWPutObjProcessor_Aio() | |
2404 | { | |
2405 | drain_pending(); | |
2406 | ||
2407 | if (is_complete) | |
2408 | return; | |
2409 | ||
2410 | set<rgw_raw_obj>::iterator iter; | |
2411 | bool need_to_remove_head = false; | |
2412 | rgw_raw_obj raw_head; | |
2413 | ||
2414 | if (!head_obj.empty()) { | |
2415 | store->obj_to_raw(bucket_info.placement_rule, head_obj, &raw_head); | |
2416 | } | |
2417 | ||
2418 | /** | |
2419 | * We should delete the object in the "multipart" namespace to avoid race condition. | |
2420 | * Such race condition is caused by the fact that the multipart object is the gatekeeper of a multipart | |
2421 | * upload, when it is deleted, a second upload would start with the same suffix("2/"), therefore, objects | |
2422 | * written by the second upload may be deleted by the first upload. | |
2423 | * details is describled on #11749 | |
2424 | * | |
2425 | * The above comment still stands, but instead of searching for a specific object in the multipart | |
2426 | * namespace, we just make sure that we remove the object that is marked as the head object after | |
2427 | * we remove all the other raw objects. Note that we use different call to remove the head object, | |
2428 | * as this one needs to go via the bucket index prepare/complete 2-phase commit scheme. | |
2429 | */ | |
2430 | for (iter = written_objs.begin(); iter != written_objs.end(); ++iter) { | |
2431 | const rgw_raw_obj& obj = *iter; | |
2432 | if (!head_obj.empty() && obj == raw_head) { | |
2433 | ldout(store->ctx(), 5) << "NOTE: we should not process the head object (" << obj << ") here" << dendl; | |
2434 | need_to_remove_head = true; | |
2435 | continue; | |
2436 | } | |
2437 | ||
2438 | int r = store->delete_raw_obj(obj); | |
2439 | if (r < 0 && r != -ENOENT) { | |
2440 | ldout(store->ctx(), 5) << "WARNING: failed to remove obj (" << obj << "), leaked" << dendl; | |
2441 | } | |
2442 | } | |
2443 | ||
2444 | if (need_to_remove_head) { | |
2445 | ldout(store->ctx(), 5) << "NOTE: we are going to process the head obj (" << raw_head << ")" << dendl; | |
2446 | int r = store->delete_obj(obj_ctx, bucket_info, head_obj, 0, 0); | |
2447 | if (r < 0 && r != -ENOENT) { | |
2448 | ldout(store->ctx(), 0) << "WARNING: failed to remove obj (" << raw_head << "), leaked" << dendl; | |
2449 | } | |
2450 | } | |
2451 | } | |
2452 | ||
2453 | int RGWPutObjProcessor_Aio::handle_obj_data(rgw_raw_obj& obj, bufferlist& bl, off_t ofs, off_t abs_ofs, void **phandle, bool exclusive) | |
2454 | { | |
2455 | if ((uint64_t)abs_ofs + bl.length() > obj_len) | |
2456 | obj_len = abs_ofs + bl.length(); | |
2457 | ||
2458 | if (!(obj == last_written_obj)) { | |
2459 | last_written_obj = obj; | |
2460 | } | |
2461 | ||
2462 | // For the first call pass -1 as the offset to | |
2463 | // do a write_full. | |
2464 | return store->aio_put_obj_data(NULL, obj, bl, ((ofs != 0) ? ofs : -1), exclusive, phandle); | |
2465 | } | |
2466 | ||
2467 | struct put_obj_aio_info RGWPutObjProcessor_Aio::pop_pending() | |
2468 | { | |
2469 | struct put_obj_aio_info info; | |
2470 | info = pending.front(); | |
2471 | pending.pop_front(); | |
2472 | pending_size -= info.size; | |
2473 | return info; | |
2474 | } | |
2475 | ||
2476 | int RGWPutObjProcessor_Aio::wait_pending_front() | |
2477 | { | |
2478 | if (pending.empty()) { | |
2479 | return 0; | |
2480 | } | |
2481 | struct put_obj_aio_info info = pop_pending(); | |
2482 | int ret = store->aio_wait(info.handle); | |
2483 | ||
2484 | if (ret >= 0) { | |
2485 | add_written_obj(info.obj); | |
2486 | } | |
2487 | ||
2488 | return ret; | |
2489 | } | |
2490 | ||
2491 | bool RGWPutObjProcessor_Aio::pending_has_completed() | |
2492 | { | |
2493 | if (pending.empty()) | |
2494 | return false; | |
2495 | ||
2496 | struct put_obj_aio_info& info = pending.front(); | |
2497 | return store->aio_completed(info.handle); | |
2498 | } | |
2499 | ||
2500 | int RGWPutObjProcessor_Aio::drain_pending() | |
2501 | { | |
2502 | int ret = 0; | |
2503 | while (!pending.empty()) { | |
2504 | int r = wait_pending_front(); | |
2505 | if (r < 0) | |
2506 | ret = r; | |
2507 | } | |
2508 | return ret; | |
2509 | } | |
2510 | ||
2511 | int RGWPutObjProcessor_Aio::throttle_data(void *handle, const rgw_raw_obj& obj, uint64_t size, bool need_to_wait) | |
2512 | { | |
2513 | bool _wait = need_to_wait; | |
2514 | ||
2515 | if (handle) { | |
2516 | struct put_obj_aio_info info; | |
2517 | info.handle = handle; | |
2518 | info.obj = obj; | |
2519 | info.size = size; | |
2520 | pending_size += size; | |
2521 | pending.push_back(info); | |
2522 | } | |
2523 | size_t orig_size = pending_size; | |
2524 | ||
2525 | /* first drain complete IOs */ | |
2526 | while (pending_has_completed()) { | |
2527 | int r = wait_pending_front(); | |
2528 | if (r < 0) | |
2529 | return r; | |
2530 | ||
2531 | _wait = false; | |
2532 | } | |
2533 | ||
2534 | /* resize window in case messages are draining too fast */ | |
2535 | if (orig_size - pending_size >= window_size) { | |
2536 | window_size += store->ctx()->_conf->rgw_max_chunk_size; | |
2537 | uint64_t max_window_size = store->ctx()->_conf->rgw_put_obj_max_window_size; | |
2538 | if (window_size > max_window_size) { | |
2539 | window_size = max_window_size; | |
2540 | } | |
2541 | } | |
2542 | ||
2543 | /* now throttle. Note that need_to_wait should only affect the first IO operation */ | |
2544 | if (pending_size > window_size || _wait) { | |
2545 | int r = wait_pending_front(); | |
2546 | if (r < 0) | |
2547 | return r; | |
2548 | } | |
2549 | return 0; | |
2550 | } | |
2551 | ||
2552 | int RGWPutObjProcessor_Atomic::write_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool exclusive) | |
2553 | { | |
2554 | if (ofs >= next_part_ofs) { | |
2555 | int r = prepare_next_part(ofs); | |
2556 | if (r < 0) { | |
2557 | return r; | |
2558 | } | |
2559 | } | |
2560 | ||
2561 | *pobj = cur_obj; | |
2562 | ||
2563 | if (!bl.length()) | |
2564 | return 0; | |
2565 | ||
2566 | return RGWPutObjProcessor_Aio::handle_obj_data(cur_obj, bl, ofs - cur_part_ofs, ofs, phandle, exclusive); | |
2567 | } | |
2568 | ||
2569 | int RGWPutObjProcessor_Aio::prepare(RGWRados *store, string *oid_rand) | |
2570 | { | |
2571 | RGWPutObjProcessor::prepare(store, oid_rand); | |
2572 | ||
2573 | window_size = store->ctx()->_conf->rgw_put_obj_min_window_size; | |
2574 | ||
2575 | return 0; | |
2576 | } | |
2577 | ||
2578 | int RGWPutObjProcessor_Atomic::handle_data(bufferlist& bl, off_t ofs, void **phandle, rgw_raw_obj *pobj, bool *again) | |
2579 | { | |
2580 | *phandle = NULL; | |
2581 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2582 | ||
2583 | pending_data_bl.claim_append(bl); | |
2584 | if (pending_data_bl.length() < max_write_size) { | |
2585 | *again = false; | |
2586 | return 0; | |
2587 | } | |
2588 | ||
2589 | pending_data_bl.splice(0, max_write_size, &bl); | |
2590 | ||
2591 | /* do we have enough data pending accumulated that needs to be written? */ | |
2592 | *again = (pending_data_bl.length() >= max_chunk_size); | |
2593 | ||
2594 | if (!data_ofs && !immutable_head()) { | |
2595 | first_chunk.claim(bl); | |
2596 | obj_len = (uint64_t)first_chunk.length(); | |
2597 | int r = prepare_next_part(obj_len); | |
2598 | if (r < 0) { | |
2599 | return r; | |
2600 | } | |
2601 | data_ofs = obj_len; | |
2602 | return 0; | |
2603 | } | |
2604 | off_t write_ofs = data_ofs; | |
2605 | data_ofs = write_ofs + bl.length(); | |
2606 | bool exclusive = (!write_ofs && immutable_head()); /* immutable head object, need to verify nothing exists there | |
2607 | we could be racing with another upload, to the same | |
2608 | object and cleanup can be messy */ | |
2609 | int ret = write_data(bl, write_ofs, phandle, pobj, exclusive); | |
2610 | if (ret >= 0) { /* we might return, need to clear bl as it was already sent */ | |
2611 | bl.clear(); | |
2612 | } | |
2613 | return ret; | |
2614 | } | |
2615 | ||
2616 | ||
2617 | int RGWPutObjProcessor_Atomic::prepare_init(RGWRados *store, string *oid_rand) | |
2618 | { | |
2619 | RGWPutObjProcessor_Aio::prepare(store, oid_rand); | |
2620 | ||
2621 | int r = store->get_max_chunk_size(bucket_info.placement_rule, head_obj, &max_chunk_size); | |
2622 | if (r < 0) { | |
2623 | return r; | |
2624 | } | |
2625 | ||
2626 | return 0; | |
2627 | } | |
2628 | ||
2629 | int RGWPutObjProcessor_Atomic::prepare(RGWRados *store, string *oid_rand) | |
2630 | { | |
2631 | head_obj.init(bucket, obj_str); | |
2632 | ||
2633 | int r = prepare_init(store, oid_rand); | |
2634 | if (r < 0) { | |
2635 | return r; | |
2636 | } | |
2637 | ||
2638 | if (!version_id.empty()) { | |
2639 | head_obj.key.set_instance(version_id); | |
2640 | } else if (versioned_object) { | |
2641 | store->gen_rand_obj_instance_name(&head_obj); | |
2642 | } | |
2643 | ||
2644 | manifest.set_trivial_rule(max_chunk_size, store->ctx()->_conf->rgw_obj_stripe_size); | |
2645 | ||
2646 | r = manifest_gen.create_begin(store->ctx(), &manifest, bucket_info.placement_rule, head_obj.bucket, head_obj); | |
2647 | if (r < 0) { | |
2648 | return r; | |
2649 | } | |
2650 | ||
2651 | return 0; | |
2652 | } | |
2653 | ||
2654 | int RGWPutObjProcessor_Atomic::prepare_next_part(off_t ofs) { | |
2655 | ||
2656 | int ret = manifest_gen.create_next(ofs); | |
2657 | if (ret < 0) { | |
2658 | lderr(store->ctx()) << "ERROR: manifest_gen.create_next() returned ret=" << ret << dendl; | |
2659 | return ret; | |
2660 | } | |
2661 | cur_part_ofs = ofs; | |
2662 | next_part_ofs = ofs + manifest_gen.cur_stripe_max_size(); | |
2663 | cur_obj = manifest_gen.get_cur_obj(store); | |
2664 | ||
2665 | return 0; | |
2666 | } | |
2667 | ||
2668 | int RGWPutObjProcessor_Atomic::complete_parts() | |
2669 | { | |
2670 | if (obj_len > (uint64_t)cur_part_ofs) { | |
2671 | return prepare_next_part(obj_len); | |
2672 | } | |
2673 | return 0; | |
2674 | } | |
2675 | ||
2676 | int RGWPutObjProcessor_Atomic::complete_writing_data() | |
2677 | { | |
2678 | if (!data_ofs && !immutable_head()) { | |
2679 | /* only claim if pending_data_bl() is not empty. This is needed because we might be called twice | |
2680 | * (e.g., when a retry due to race happens). So a second call to first_chunk.claim() would | |
2681 | * clobber first_chunk | |
2682 | */ | |
2683 | if (pending_data_bl.length() > 0) { | |
2684 | first_chunk.claim(pending_data_bl); | |
2685 | } | |
2686 | obj_len = (uint64_t)first_chunk.length(); | |
2687 | } | |
2688 | while (pending_data_bl.length()) { | |
2689 | void *handle; | |
2690 | rgw_raw_obj obj; | |
2691 | uint64_t max_write_size = MIN(max_chunk_size, (uint64_t)next_part_ofs - data_ofs); | |
2692 | if (max_write_size > pending_data_bl.length()) { | |
2693 | max_write_size = pending_data_bl.length(); | |
2694 | } | |
2695 | bufferlist bl; | |
2696 | pending_data_bl.splice(0, max_write_size, &bl); | |
2697 | uint64_t write_len = bl.length(); | |
2698 | int r = write_data(bl, data_ofs, &handle, &obj, false); | |
2699 | if (r < 0) { | |
2700 | ldout(store->ctx(), 0) << "ERROR: write_data() returned " << r << dendl; | |
2701 | return r; | |
2702 | } | |
2703 | data_ofs += write_len; | |
2704 | r = throttle_data(handle, obj, write_len, false); | |
2705 | if (r < 0) { | |
2706 | ldout(store->ctx(), 0) << "ERROR: throttle_data() returned " << r << dendl; | |
2707 | return r; | |
2708 | } | |
2709 | ||
2710 | if (data_ofs >= next_part_ofs) { | |
2711 | r = prepare_next_part(data_ofs); | |
2712 | if (r < 0) { | |
2713 | ldout(store->ctx(), 0) << "ERROR: prepare_next_part() returned " << r << dendl; | |
2714 | return r; | |
2715 | } | |
2716 | } | |
2717 | } | |
2718 | int r = complete_parts(); | |
2719 | if (r < 0) { | |
2720 | return r; | |
2721 | } | |
2722 | ||
2723 | r = drain_pending(); | |
2724 | if (r < 0) | |
2725 | return r; | |
2726 | ||
2727 | return 0; | |
2728 | } | |
2729 | ||
2730 | int RGWPutObjProcessor_Atomic::do_complete(size_t accounted_size, const string& etag, | |
2731 | real_time *mtime, real_time set_mtime, | |
2732 | map<string, bufferlist>& attrs, | |
2733 | real_time delete_at, | |
2734 | const char *if_match, | |
2735 | const char *if_nomatch, const string *user_data) { | |
2736 | int r = complete_writing_data(); | |
2737 | if (r < 0) | |
2738 | return r; | |
2739 | ||
2740 | obj_ctx.obj.set_atomic(head_obj); | |
2741 | ||
2742 | RGWRados::Object op_target(store, bucket_info, obj_ctx, head_obj); | |
2743 | ||
2744 | /* some object types shouldn't be versioned, e.g., multipart parts */ | |
2745 | op_target.set_versioning_disabled(!versioned_object); | |
2746 | ||
2747 | RGWRados::Object::Write obj_op(&op_target); | |
2748 | ||
2749 | obj_op.meta.data = &first_chunk; | |
2750 | obj_op.meta.manifest = &manifest; | |
2751 | obj_op.meta.ptag = &unique_tag; /* use req_id as operation tag */ | |
2752 | obj_op.meta.if_match = if_match; | |
2753 | obj_op.meta.if_nomatch = if_nomatch; | |
2754 | obj_op.meta.mtime = mtime; | |
2755 | obj_op.meta.set_mtime = set_mtime; | |
2756 | obj_op.meta.owner = bucket_info.owner; | |
2757 | obj_op.meta.flags = PUT_OBJ_CREATE; | |
2758 | obj_op.meta.olh_epoch = olh_epoch; | |
2759 | obj_op.meta.delete_at = delete_at; | |
2760 | obj_op.meta.user_data = user_data; | |
2761 | ||
2762 | r = obj_op.write_meta(obj_len, accounted_size, attrs); | |
2763 | if (r < 0) { | |
2764 | return r; | |
2765 | } | |
2766 | ||
2767 | canceled = obj_op.meta.canceled; | |
2768 | ||
2769 | return 0; | |
2770 | } | |
2771 | ||
2772 | int RGWRados::watch(const string& oid, uint64_t *watch_handle, librados::WatchCtx2 *ctx) { | |
2773 | int r = control_pool_ctx.watch2(oid, watch_handle, ctx); | |
2774 | if (r < 0) | |
2775 | return r; | |
2776 | return 0; | |
2777 | } | |
2778 | ||
2779 | int RGWRados::unwatch(uint64_t watch_handle) | |
2780 | { | |
2781 | int r = control_pool_ctx.unwatch2(watch_handle); | |
2782 | if (r < 0) { | |
2783 | ldout(cct, 0) << "ERROR: rados->unwatch2() returned r=" << r << dendl; | |
2784 | return r; | |
2785 | } | |
2786 | r = rados[0].watch_flush(); | |
2787 | if (r < 0) { | |
2788 | ldout(cct, 0) << "ERROR: rados->watch_flush() returned r=" << r << dendl; | |
2789 | return r; | |
2790 | } | |
2791 | return 0; | |
2792 | } | |
2793 | ||
2794 | void RGWRados::add_watcher(int i) | |
2795 | { | |
2796 | ldout(cct, 20) << "add_watcher() i=" << i << dendl; | |
2797 | Mutex::Locker l(watchers_lock); | |
2798 | watchers_set.insert(i); | |
2799 | if (watchers_set.size() == (size_t)num_watchers) { | |
2800 | ldout(cct, 2) << "all " << num_watchers << " watchers are set, enabling cache" << dendl; | |
2801 | set_cache_enabled(true); | |
2802 | } | |
2803 | } | |
2804 | ||
2805 | void RGWRados::remove_watcher(int i) | |
2806 | { | |
2807 | ldout(cct, 20) << "remove_watcher() i=" << i << dendl; | |
2808 | Mutex::Locker l(watchers_lock); | |
2809 | size_t orig_size = watchers_set.size(); | |
2810 | watchers_set.erase(i); | |
2811 | if (orig_size == (size_t)num_watchers && | |
2812 | watchers_set.size() < orig_size) { /* actually removed */ | |
2813 | ldout(cct, 2) << "removed watcher, disabling cache" << dendl; | |
2814 | set_cache_enabled(false); | |
2815 | } | |
2816 | } | |
2817 | ||
2818 | class RGWWatcher : public librados::WatchCtx2 { | |
2819 | RGWRados *rados; | |
2820 | int index; | |
2821 | string oid; | |
2822 | uint64_t watch_handle; | |
2823 | ||
2824 | class C_ReinitWatch : public Context { | |
2825 | RGWWatcher *watcher; | |
2826 | public: | |
2827 | explicit C_ReinitWatch(RGWWatcher *_watcher) : watcher(_watcher) {} | |
2828 | void finish(int r) override { | |
2829 | watcher->reinit(); | |
2830 | } | |
2831 | }; | |
2832 | public: | |
2833 | RGWWatcher(RGWRados *r, int i, const string& o) : rados(r), index(i), oid(o), watch_handle(0) {} | |
2834 | void handle_notify(uint64_t notify_id, | |
2835 | uint64_t cookie, | |
2836 | uint64_t notifier_id, | |
2837 | bufferlist& bl) override { | |
2838 | ldout(rados->ctx(), 10) << "RGWWatcher::handle_notify() " | |
2839 | << " notify_id " << notify_id | |
2840 | << " cookie " << cookie | |
2841 | << " notifier " << notifier_id | |
2842 | << " bl.length()=" << bl.length() << dendl; | |
2843 | rados->watch_cb(notify_id, cookie, notifier_id, bl); | |
2844 | ||
2845 | bufferlist reply_bl; // empty reply payload | |
2846 | rados->control_pool_ctx.notify_ack(oid, notify_id, cookie, reply_bl); | |
2847 | } | |
2848 | void handle_error(uint64_t cookie, int err) override { | |
2849 | lderr(rados->ctx()) << "RGWWatcher::handle_error cookie " << cookie | |
2850 | << " err " << cpp_strerror(err) << dendl; | |
2851 | rados->remove_watcher(index); | |
2852 | rados->schedule_context(new C_ReinitWatch(this)); | |
2853 | } | |
2854 | ||
2855 | void reinit() { | |
2856 | int ret = unregister_watch(); | |
2857 | if (ret < 0) { | |
2858 | ldout(rados->ctx(), 0) << "ERROR: unregister_watch() returned ret=" << ret << dendl; | |
2859 | return; | |
2860 | } | |
2861 | ret = register_watch(); | |
2862 | if (ret < 0) { | |
2863 | ldout(rados->ctx(), 0) << "ERROR: register_watch() returned ret=" << ret << dendl; | |
2864 | return; | |
2865 | } | |
2866 | } | |
2867 | ||
2868 | int unregister_watch() { | |
2869 | int r = rados->unwatch(watch_handle); | |
2870 | if (r < 0) { | |
2871 | return r; | |
2872 | } | |
2873 | rados->remove_watcher(index); | |
2874 | return 0; | |
2875 | } | |
2876 | ||
2877 | int register_watch() { | |
2878 | int r = rados->watch(oid, &watch_handle, this); | |
2879 | if (r < 0) { | |
2880 | return r; | |
2881 | } | |
2882 | rados->add_watcher(index); | |
2883 | return 0; | |
2884 | } | |
2885 | }; | |
2886 | ||
2887 | class RGWMetaNotifierManager : public RGWCoroutinesManager { | |
2888 | RGWRados *store; | |
2889 | RGWHTTPManager http_manager; | |
2890 | ||
2891 | public: | |
2892 | RGWMetaNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2893 | http_manager(store->ctx(), completion_mgr) { | |
2894 | http_manager.set_threaded(); | |
2895 | } | |
2896 | ||
2897 | int notify_all(map<string, RGWRESTConn *>& conn_map, set<int>& shards) { | |
2898 | rgw_http_param_pair pairs[] = { { "type", "metadata" }, | |
2899 | { "notify", NULL }, | |
2900 | { NULL, NULL } }; | |
2901 | ||
2902 | list<RGWCoroutinesStack *> stacks; | |
2903 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2904 | RGWRESTConn *conn = iter->second; | |
2905 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2906 | stack->call(new RGWPostRESTResourceCR<set<int>, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2907 | ||
2908 | stacks.push_back(stack); | |
2909 | } | |
2910 | return run(stacks); | |
2911 | } | |
2912 | }; | |
2913 | ||
2914 | class RGWDataNotifierManager : public RGWCoroutinesManager { | |
2915 | RGWRados *store; | |
2916 | RGWHTTPManager http_manager; | |
2917 | ||
2918 | public: | |
2919 | RGWDataNotifierManager(RGWRados *_store) : RGWCoroutinesManager(_store->ctx(), _store->get_cr_registry()), store(_store), | |
2920 | http_manager(store->ctx(), completion_mgr) { | |
2921 | http_manager.set_threaded(); | |
2922 | } | |
2923 | ||
2924 | int notify_all(map<string, RGWRESTConn *>& conn_map, map<int, set<string> >& shards) { | |
2925 | rgw_http_param_pair pairs[] = { { "type", "data" }, | |
2926 | { "notify", NULL }, | |
2927 | { "source-zone", store->get_zone_params().get_id().c_str() }, | |
2928 | { NULL, NULL } }; | |
2929 | ||
2930 | list<RGWCoroutinesStack *> stacks; | |
2931 | for (map<string, RGWRESTConn *>::iterator iter = conn_map.begin(); iter != conn_map.end(); ++iter) { | |
2932 | RGWRESTConn *conn = iter->second; | |
2933 | RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), this); | |
2934 | stack->call(new RGWPostRESTResourceCR<map<int, set<string> >, int>(store->ctx(), conn, &http_manager, "/admin/log", pairs, shards, NULL)); | |
2935 | ||
2936 | stacks.push_back(stack); | |
2937 | } | |
2938 | return run(stacks); | |
2939 | } | |
2940 | }; | |
2941 | ||
2942 | class RGWRadosThread { | |
2943 | class Worker : public Thread { | |
2944 | CephContext *cct; | |
2945 | RGWRadosThread *processor; | |
2946 | Mutex lock; | |
2947 | Cond cond; | |
2948 | ||
2949 | public: | |
2950 | Worker(CephContext *_cct, RGWRadosThread *_p) : cct(_cct), processor(_p), lock("RGWRadosThread::Worker") {} | |
2951 | void *entry() override; | |
2952 | void stop() { | |
2953 | Mutex::Locker l(lock); | |
2954 | cond.Signal(); | |
2955 | } | |
2956 | }; | |
2957 | ||
2958 | Worker *worker; | |
2959 | ||
2960 | protected: | |
2961 | CephContext *cct; | |
2962 | RGWRados *store; | |
2963 | ||
2964 | std::atomic<bool> down_flag = { false }; | |
2965 | ||
2966 | string thread_name; | |
2967 | ||
2968 | virtual uint64_t interval_msec() = 0; | |
2969 | virtual void stop_process() {} | |
2970 | public: | |
2971 | RGWRadosThread(RGWRados *_store, const string& thread_name = "radosgw") | |
2972 | : worker(NULL), cct(_store->ctx()), store(_store), thread_name(thread_name) {} | |
2973 | virtual ~RGWRadosThread() { | |
2974 | stop(); | |
2975 | } | |
2976 | ||
2977 | virtual int init() { return 0; } | |
2978 | virtual int process() = 0; | |
2979 | ||
2980 | bool going_down() { return down_flag; } | |
2981 | ||
2982 | void start(); | |
2983 | void stop(); | |
2984 | }; | |
2985 | ||
2986 | void RGWRadosThread::start() | |
2987 | { | |
2988 | worker = new Worker(cct, this); | |
2989 | worker->create(thread_name.c_str()); | |
2990 | } | |
2991 | ||
2992 | void RGWRadosThread::stop() | |
2993 | { | |
2994 | down_flag = true; | |
2995 | stop_process(); | |
2996 | if (worker) { | |
2997 | worker->stop(); | |
2998 | worker->join(); | |
2999 | } | |
3000 | delete worker; | |
3001 | worker = NULL; | |
3002 | } | |
3003 | ||
3004 | void *RGWRadosThread::Worker::entry() { | |
3005 | uint64_t msec = processor->interval_msec(); | |
3006 | utime_t interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3007 | ||
3008 | do { | |
3009 | utime_t start = ceph_clock_now(); | |
3010 | int r = processor->process(); | |
3011 | if (r < 0) { | |
3012 | dout(0) << "ERROR: processor->process() returned error r=" << r << dendl; | |
3013 | } | |
3014 | ||
3015 | if (processor->going_down()) | |
3016 | break; | |
3017 | ||
3018 | utime_t end = ceph_clock_now(); | |
3019 | end -= start; | |
3020 | ||
3021 | uint64_t cur_msec = processor->interval_msec(); | |
3022 | if (cur_msec != msec) { /* was it reconfigured? */ | |
3023 | msec = cur_msec; | |
3024 | interval = utime_t(msec / 1000, (msec % 1000) * 1000000); | |
3025 | } | |
3026 | ||
3027 | if (cur_msec > 0) { | |
3028 | if (interval <= end) | |
3029 | continue; // next round | |
3030 | ||
3031 | utime_t wait_time = interval; | |
3032 | wait_time -= end; | |
3033 | ||
3034 | lock.Lock(); | |
3035 | cond.WaitInterval(lock, wait_time); | |
3036 | lock.Unlock(); | |
3037 | } else { | |
3038 | lock.Lock(); | |
3039 | cond.Wait(lock); | |
3040 | lock.Unlock(); | |
3041 | } | |
3042 | } while (!processor->going_down()); | |
3043 | ||
3044 | return NULL; | |
3045 | } | |
3046 | ||
3047 | class RGWMetaNotifier : public RGWRadosThread { | |
3048 | RGWMetaNotifierManager notify_mgr; | |
3049 | RGWMetadataLog *const log; | |
3050 | ||
3051 | uint64_t interval_msec() override { | |
3052 | return cct->_conf->rgw_md_notify_interval_msec; | |
3053 | } | |
3054 | public: | |
3055 | RGWMetaNotifier(RGWRados *_store, RGWMetadataLog* log) | |
3056 | : RGWRadosThread(_store, "meta-notifier"), notify_mgr(_store), log(log) {} | |
3057 | ||
3058 | int process() override; | |
3059 | }; | |
3060 | ||
3061 | int RGWMetaNotifier::process() | |
3062 | { | |
3063 | set<int> shards; | |
3064 | ||
3065 | log->read_clear_modified(shards); | |
3066 | ||
3067 | if (shards.empty()) { | |
3068 | return 0; | |
3069 | } | |
3070 | ||
3071 | for (set<int>::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3072 | ldout(cct, 20) << __func__ << "(): notifying mdlog change, shard_id=" << *iter << dendl; | |
3073 | } | |
3074 | ||
3075 | notify_mgr.notify_all(store->zone_conn_map, shards); | |
3076 | ||
3077 | return 0; | |
3078 | } | |
3079 | ||
3080 | class RGWDataNotifier : public RGWRadosThread { | |
3081 | RGWDataNotifierManager notify_mgr; | |
3082 | ||
3083 | uint64_t interval_msec() override { | |
3084 | return cct->_conf->rgw_md_notify_interval_msec; | |
3085 | } | |
3086 | public: | |
3087 | RGWDataNotifier(RGWRados *_store) : RGWRadosThread(_store, "data-notifier"), notify_mgr(_store) {} | |
3088 | ||
3089 | int process() override; | |
3090 | }; | |
3091 | ||
3092 | int RGWDataNotifier::process() | |
3093 | { | |
3094 | if (!store->data_log) { | |
3095 | return 0; | |
3096 | } | |
3097 | ||
3098 | map<int, set<string> > shards; | |
3099 | ||
3100 | store->data_log->read_clear_modified(shards); | |
3101 | ||
3102 | if (shards.empty()) { | |
3103 | return 0; | |
3104 | } | |
3105 | ||
3106 | for (map<int, set<string> >::iterator iter = shards.begin(); iter != shards.end(); ++iter) { | |
3107 | ldout(cct, 20) << __func__ << "(): notifying datalog change, shard_id=" << iter->first << ": " << iter->second << dendl; | |
3108 | } | |
3109 | ||
3110 | notify_mgr.notify_all(store->zone_data_notify_to_map, shards); | |
3111 | ||
3112 | return 0; | |
3113 | } | |
3114 | ||
3115 | class RGWSyncProcessorThread : public RGWRadosThread { | |
3116 | public: | |
3117 | RGWSyncProcessorThread(RGWRados *_store, const string& thread_name = "radosgw") : RGWRadosThread(_store, thread_name) {} | |
3118 | RGWSyncProcessorThread(RGWRados *_store) : RGWRadosThread(_store) {} | |
3119 | ~RGWSyncProcessorThread() override {} | |
3120 | int init() override = 0 ; | |
3121 | int process() override = 0; | |
3122 | }; | |
3123 | ||
3124 | class RGWMetaSyncProcessorThread : public RGWSyncProcessorThread | |
3125 | { | |
3126 | RGWMetaSyncStatusManager sync; | |
3127 | ||
3128 | uint64_t interval_msec() override { | |
3129 | return 0; /* no interval associated, it'll run once until stopped */ | |
3130 | } | |
3131 | void stop_process() override { | |
3132 | sync.stop(); | |
3133 | } | |
3134 | public: | |
3135 | RGWMetaSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados) | |
3136 | : RGWSyncProcessorThread(_store, "meta-sync"), sync(_store, async_rados) {} | |
3137 | ||
3138 | void wakeup_sync_shards(set<int>& shard_ids) { | |
3139 | for (set<int>::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3140 | sync.wakeup(*iter); | |
3141 | } | |
3142 | } | |
3143 | RGWMetaSyncStatusManager* get_manager() { return &sync; } | |
3144 | ||
3145 | int init() override { | |
3146 | int ret = sync.init(); | |
3147 | if (ret < 0) { | |
3148 | ldout(store->ctx(), 0) << "ERROR: sync.init() returned " << ret << dendl; | |
3149 | return ret; | |
3150 | } | |
3151 | return 0; | |
3152 | } | |
3153 | ||
3154 | int process() override { | |
3155 | sync.run(); | |
3156 | return 0; | |
3157 | } | |
3158 | }; | |
3159 | ||
3160 | class RGWDataSyncProcessorThread : public RGWSyncProcessorThread | |
3161 | { | |
3162 | RGWDataSyncStatusManager sync; | |
3163 | bool initialized; | |
3164 | ||
3165 | uint64_t interval_msec() override { | |
3166 | if (initialized) { | |
3167 | return 0; /* no interval associated, it'll run once until stopped */ | |
3168 | } else { | |
3169 | #define DATA_SYNC_INIT_WAIT_SEC 20 | |
3170 | return DATA_SYNC_INIT_WAIT_SEC * 1000; | |
3171 | } | |
3172 | } | |
3173 | void stop_process() override { | |
3174 | sync.stop(); | |
3175 | } | |
3176 | public: | |
3177 | RGWDataSyncProcessorThread(RGWRados *_store, RGWAsyncRadosProcessor *async_rados, | |
3178 | const string& _source_zone) | |
3179 | : RGWSyncProcessorThread(_store, "data-sync"), sync(_store, async_rados, _source_zone), | |
3180 | initialized(false) {} | |
3181 | ||
3182 | void wakeup_sync_shards(map<int, set<string> >& shard_ids) { | |
3183 | for (map<int, set<string> >::iterator iter = shard_ids.begin(); iter != shard_ids.end(); ++iter) { | |
3184 | sync.wakeup(iter->first, iter->second); | |
3185 | } | |
3186 | } | |
3187 | RGWDataSyncStatusManager* get_manager() { return &sync; } | |
3188 | ||
3189 | int init() override { | |
3190 | return 0; | |
3191 | } | |
3192 | ||
3193 | int process() override { | |
3194 | while (!initialized) { | |
3195 | if (going_down()) { | |
3196 | return 0; | |
3197 | } | |
3198 | int ret = sync.init(); | |
3199 | if (ret >= 0) { | |
3200 | initialized = true; | |
3201 | break; | |
3202 | } | |
3203 | /* we'll be back! */ | |
3204 | return 0; | |
3205 | } | |
3206 | sync.run(); | |
3207 | return 0; | |
3208 | } | |
3209 | }; | |
3210 | ||
3211 | class RGWSyncLogTrimThread : public RGWSyncProcessorThread | |
3212 | { | |
3213 | RGWCoroutinesManager crs; | |
3214 | RGWRados *store; | |
3215 | RGWHTTPManager http; | |
3216 | const utime_t trim_interval; | |
3217 | ||
3218 | uint64_t interval_msec() override { return 0; } | |
3219 | void stop_process() override { crs.stop(); } | |
3220 | public: | |
3221 | RGWSyncLogTrimThread(RGWRados *store, int interval) | |
3222 | : RGWSyncProcessorThread(store, "sync-log-trim"), | |
3223 | crs(store->ctx(), store->get_cr_registry()), store(store), | |
3224 | http(store->ctx(), crs.get_completion_mgr()), | |
3225 | trim_interval(interval, 0) | |
3226 | {} | |
3227 | ||
3228 | int init() override { | |
3229 | return http.set_threaded(); | |
3230 | } | |
3231 | int process() override { | |
3232 | list<RGWCoroutinesStack*> stacks; | |
3233 | auto meta = new RGWCoroutinesStack(store->ctx(), &crs); | |
3234 | meta->call(create_meta_log_trim_cr(store, &http, | |
3235 | cct->_conf->rgw_md_log_max_shards, | |
3236 | trim_interval)); | |
3237 | stacks.push_back(meta); | |
3238 | ||
3239 | auto data = new RGWCoroutinesStack(store->ctx(), &crs); | |
3240 | data->call(create_data_log_trim_cr(store, &http, | |
3241 | cct->_conf->rgw_data_log_num_shards, | |
3242 | trim_interval)); | |
3243 | stacks.push_back(data); | |
3244 | ||
3245 | crs.run(stacks); | |
3246 | return 0; | |
3247 | } | |
3248 | }; | |
3249 | ||
3250 | void RGWRados::wakeup_meta_sync_shards(set<int>& shard_ids) | |
3251 | { | |
3252 | Mutex::Locker l(meta_sync_thread_lock); | |
3253 | if (meta_sync_processor_thread) { | |
3254 | meta_sync_processor_thread->wakeup_sync_shards(shard_ids); | |
3255 | } | |
3256 | } | |
3257 | ||
3258 | void RGWRados::wakeup_data_sync_shards(const string& source_zone, map<int, set<string> >& shard_ids) | |
3259 | { | |
3260 | ldout(ctx(), 20) << __func__ << ": source_zone=" << source_zone << ", shard_ids=" << shard_ids << dendl; | |
3261 | Mutex::Locker l(data_sync_thread_lock); | |
3262 | map<string, RGWDataSyncProcessorThread *>::iterator iter = data_sync_processor_threads.find(source_zone); | |
3263 | if (iter == data_sync_processor_threads.end()) { | |
3264 | ldout(ctx(), 10) << __func__ << ": couldn't find sync thread for zone " << source_zone << ", skipping async data sync processing" << dendl; | |
3265 | return; | |
3266 | } | |
3267 | ||
3268 | RGWDataSyncProcessorThread *thread = iter->second; | |
3269 | assert(thread); | |
3270 | thread->wakeup_sync_shards(shard_ids); | |
3271 | } | |
3272 | ||
3273 | RGWMetaSyncStatusManager* RGWRados::get_meta_sync_manager() | |
3274 | { | |
3275 | Mutex::Locker l(meta_sync_thread_lock); | |
3276 | if (meta_sync_processor_thread) { | |
3277 | return meta_sync_processor_thread->get_manager(); | |
3278 | } | |
3279 | return nullptr; | |
3280 | } | |
3281 | ||
3282 | RGWDataSyncStatusManager* RGWRados::get_data_sync_manager(const std::string& source_zone) | |
3283 | { | |
3284 | Mutex::Locker l(data_sync_thread_lock); | |
3285 | auto thread = data_sync_processor_threads.find(source_zone); | |
3286 | if (thread == data_sync_processor_threads.end()) { | |
3287 | return nullptr; | |
3288 | } | |
3289 | return thread->second->get_manager(); | |
3290 | } | |
3291 | ||
3292 | int RGWRados::get_required_alignment(const rgw_pool& pool, uint64_t *alignment) | |
3293 | { | |
3294 | IoCtx ioctx; | |
3295 | int r = open_pool_ctx(pool, ioctx); | |
3296 | if (r < 0) { | |
3297 | ldout(cct, 0) << "ERROR: open_pool_ctx() returned " << r << dendl; | |
3298 | return r; | |
3299 | } | |
3300 | ||
3301 | bool requires; | |
3302 | r = ioctx.pool_requires_alignment2(&requires); | |
3303 | if (r < 0) { | |
3304 | ldout(cct, 0) << "ERROR: ioctx.pool_requires_alignment2() returned " | |
3305 | << r << dendl; | |
3306 | return r; | |
3307 | } | |
3308 | ||
3309 | if (!requires) { | |
3310 | *alignment = 0; | |
3311 | return 0; | |
3312 | } | |
3313 | ||
3314 | uint64_t align; | |
3315 | r = ioctx.pool_required_alignment2(&align); | |
3316 | if (r < 0) { | |
3317 | ldout(cct, 0) << "ERROR: ioctx.pool_required_alignment2() returned " | |
3318 | << r << dendl; | |
3319 | return r; | |
3320 | } | |
3321 | if (align != 0) { | |
3322 | ldout(cct, 20) << "required alignment=" << align << dendl; | |
3323 | } | |
3324 | *alignment = align; | |
3325 | return 0; | |
3326 | } | |
3327 | ||
3328 | int RGWRados::get_max_chunk_size(const rgw_pool& pool, uint64_t *max_chunk_size) | |
3329 | { | |
3330 | uint64_t alignment; | |
3331 | int r = get_required_alignment(pool, &alignment); | |
3332 | if (r < 0) { | |
3333 | return r; | |
3334 | } | |
3335 | ||
3336 | uint64_t config_chunk_size = cct->_conf->rgw_max_chunk_size; | |
3337 | ||
3338 | if (alignment == 0) { | |
3339 | *max_chunk_size = config_chunk_size; | |
3340 | return 0; | |
3341 | } | |
3342 | ||
3343 | if (config_chunk_size <= alignment) { | |
3344 | *max_chunk_size = alignment; | |
3345 | return 0; | |
3346 | } | |
3347 | ||
3348 | *max_chunk_size = config_chunk_size - (config_chunk_size % alignment); | |
3349 | ||
3350 | ldout(cct, 20) << "max_chunk_size=" << *max_chunk_size << dendl; | |
3351 | ||
3352 | return 0; | |
3353 | } | |
3354 | ||
3355 | int RGWRados::get_max_chunk_size(const string& placement_rule, const rgw_obj& obj, uint64_t *max_chunk_size) | |
3356 | { | |
3357 | rgw_pool pool; | |
3358 | if (!get_obj_data_pool(placement_rule, obj, &pool)) { | |
3359 | ldout(cct, 0) << "ERROR: failed to get data pool for object " << obj << dendl; | |
3360 | return -EIO; | |
3361 | } | |
3362 | return get_max_chunk_size(pool, max_chunk_size); | |
3363 | } | |
3364 | ||
3365 | void RGWRados::finalize() | |
3366 | { | |
3367 | if (run_sync_thread) { | |
3368 | Mutex::Locker l(meta_sync_thread_lock); | |
3369 | meta_sync_processor_thread->stop(); | |
3370 | ||
3371 | Mutex::Locker dl(data_sync_thread_lock); | |
3372 | for (auto iter : data_sync_processor_threads) { | |
3373 | RGWDataSyncProcessorThread *thread = iter.second; | |
3374 | thread->stop(); | |
3375 | } | |
3376 | if (sync_log_trimmer) { | |
3377 | sync_log_trimmer->stop(); | |
3378 | } | |
3379 | } | |
3380 | if (async_rados) { | |
3381 | async_rados->stop(); | |
3382 | } | |
3383 | if (run_sync_thread) { | |
3384 | delete meta_sync_processor_thread; | |
3385 | meta_sync_processor_thread = NULL; | |
3386 | Mutex::Locker dl(data_sync_thread_lock); | |
3387 | for (auto iter : data_sync_processor_threads) { | |
3388 | RGWDataSyncProcessorThread *thread = iter.second; | |
3389 | delete thread; | |
3390 | } | |
3391 | data_sync_processor_threads.clear(); | |
3392 | delete sync_log_trimmer; | |
3393 | sync_log_trimmer = nullptr; | |
3394 | } | |
3395 | if (finisher) { | |
3396 | finisher->stop(); | |
3397 | } | |
3398 | if (need_watch_notify()) { | |
3399 | finalize_watch(); | |
3400 | } | |
3401 | if (finisher) { | |
3402 | /* delete finisher only after cleaning up watches, as watch error path might call | |
3403 | * into finisher. We stop finisher before finalizing watch to make sure we don't | |
3404 | * actually handle any racing work | |
3405 | */ | |
3406 | delete finisher; | |
3407 | } | |
3408 | if (meta_notifier) { | |
3409 | meta_notifier->stop(); | |
3410 | delete meta_notifier; | |
3411 | } | |
3412 | if (data_notifier) { | |
3413 | data_notifier->stop(); | |
3414 | delete data_notifier; | |
3415 | } | |
3416 | delete data_log; | |
3417 | if (async_rados) { | |
3418 | delete async_rados; | |
3419 | } | |
3420 | if (use_gc_thread) { | |
3421 | gc->stop_processor(); | |
3422 | obj_expirer->stop_processor(); | |
3423 | } | |
3424 | delete gc; | |
3425 | gc = NULL; | |
3426 | ||
3427 | if (use_lc_thread) { | |
3428 | lc->stop_processor(); | |
3429 | } | |
3430 | delete lc; | |
3431 | lc = NULL; | |
3432 | ||
3433 | delete obj_expirer; | |
3434 | obj_expirer = NULL; | |
3435 | ||
3436 | delete rest_master_conn; | |
3437 | ||
3438 | map<string, RGWRESTConn *>::iterator iter; | |
3439 | for (iter = zone_conn_map.begin(); iter != zone_conn_map.end(); ++iter) { | |
3440 | RGWRESTConn *conn = iter->second; | |
3441 | delete conn; | |
3442 | } | |
3443 | ||
3444 | for (iter = zonegroup_conn_map.begin(); iter != zonegroup_conn_map.end(); ++iter) { | |
3445 | RGWRESTConn *conn = iter->second; | |
3446 | delete conn; | |
3447 | } | |
3448 | RGWQuotaHandler::free_handler(quota_handler); | |
3449 | if (cr_registry) { | |
3450 | cr_registry->put(); | |
3451 | } | |
3452 | delete meta_mgr; | |
3453 | delete binfo_cache; | |
3454 | delete obj_tombstone_cache; | |
3455 | delete sync_modules_manager; | |
3456 | } | |
3457 | ||
3458 | /** | |
3459 | * Initialize the RADOS instance and prepare to do other ops | |
3460 | * Returns 0 on success, -ERR# on failure. | |
3461 | */ | |
3462 | int RGWRados::init_rados() | |
3463 | { | |
3464 | int ret = 0; | |
3465 | auto handles = std::vector<librados::Rados>{cct->_conf->rgw_num_rados_handles}; | |
3466 | ||
3467 | for (auto& r : handles) { | |
3468 | ret = r.init_with_context(cct); | |
3469 | if (ret < 0) { | |
3470 | return ret; | |
3471 | } | |
3472 | ||
3473 | ret = r.connect(); | |
3474 | if (ret < 0) { | |
3475 | return ret; | |
3476 | } | |
3477 | } | |
3478 | ||
3479 | sync_modules_manager = new RGWSyncModulesManager(); | |
3480 | ||
3481 | rgw_register_sync_modules(sync_modules_manager); | |
3482 | ||
3483 | auto crs = std::unique_ptr<RGWCoroutinesManagerRegistry>{ | |
3484 | new RGWCoroutinesManagerRegistry(cct)}; | |
3485 | ret = crs->hook_to_admin_command("cr dump"); | |
3486 | if (ret < 0) { | |
3487 | return ret; | |
3488 | } | |
3489 | ||
3490 | meta_mgr = new RGWMetadataManager(cct, this); | |
3491 | data_log = new RGWDataChangesLog(cct, this); | |
3492 | cr_registry = crs.release(); | |
3493 | ||
3494 | std::swap(handles, rados); | |
3495 | return ret; | |
3496 | } | |
3497 | ||
3498 | /** | |
3499 | * Add new connection to connections map | |
3500 | * @param zonegroup_conn_map map which new connection will be added to | |
3501 | * @param zonegroup zonegroup which new connection will connect to | |
3502 | * @param new_connection pointer to new connection instance | |
3503 | */ | |
3504 | static void add_new_connection_to_map(map<string, RGWRESTConn *> &zonegroup_conn_map, | |
3505 | const RGWZoneGroup &zonegroup, RGWRESTConn *new_connection) | |
3506 | { | |
3507 | // Delete if connection is already exists | |
3508 | map<string, RGWRESTConn *>::iterator iterZoneGroup = zonegroup_conn_map.find(zonegroup.get_id()); | |
3509 | if (iterZoneGroup != zonegroup_conn_map.end()) { | |
3510 | delete iterZoneGroup->second; | |
3511 | } | |
3512 | ||
3513 | // Add new connection to connections map | |
3514 | zonegroup_conn_map[zonegroup.get_id()] = new_connection; | |
3515 | } | |
3516 | ||
3517 | int RGWRados::convert_regionmap() | |
3518 | { | |
3519 | RGWZoneGroupMap zonegroupmap; | |
3520 | ||
3521 | string pool_name = cct->_conf->rgw_zone_root_pool; | |
3522 | if (pool_name.empty()) { | |
3523 | pool_name = RGW_DEFAULT_ZONE_ROOT_POOL; | |
3524 | } | |
3525 | string oid = region_map_oid; | |
3526 | ||
3527 | rgw_pool pool(pool_name); | |
3528 | bufferlist bl; | |
3529 | RGWObjectCtx obj_ctx(this); | |
3530 | int ret = rgw_get_system_obj(this, obj_ctx, pool, oid, bl, NULL, NULL); | |
3531 | if (ret < 0 && ret != -ENOENT) { | |
3532 | return ret; | |
3533 | } else if (ret == -ENOENT) { | |
3534 | return 0; | |
3535 | } | |
3536 | ||
3537 | try { | |
3538 | bufferlist::iterator iter = bl.begin(); | |
3539 | ::decode(zonegroupmap, iter); | |
3540 | } catch (buffer::error& err) { | |
3541 | ldout(cct, 0) << "error decoding regionmap from " << pool << ":" << oid << dendl; | |
3542 | return -EIO; | |
3543 | } | |
3544 | ||
3545 | for (map<string, RGWZoneGroup>::iterator iter = zonegroupmap.zonegroups.begin(); | |
3546 | iter != zonegroupmap.zonegroups.end(); ++iter) { | |
3547 | RGWZoneGroup& zonegroup = iter->second; | |
3548 | ret = zonegroup.init(cct, this, false); | |
3549 | ret = zonegroup.update(); | |
3550 | if (ret < 0 && ret != -ENOENT) { | |
3551 | ldout(cct, 0) << "Error could not update zonegroup " << zonegroup.get_name() << ": " << | |
3552 | cpp_strerror(-ret) << dendl; | |
3553 | return ret; | |
3554 | } else if (ret == -ENOENT) { | |
3555 | ret = zonegroup.create(); | |
3556 | if (ret < 0) { | |
3557 | ldout(cct, 0) << "Error could not create " << zonegroup.get_name() << ": " << | |
3558 | cpp_strerror(-ret) << dendl; | |
3559 | return ret; | |
3560 | } | |
3561 | } | |
3562 | } | |
3563 | ||
3564 | current_period.set_user_quota(zonegroupmap.user_quota); | |
3565 | current_period.set_bucket_quota(zonegroupmap.bucket_quota); | |
3566 | ||
3567 | // remove the region_map so we don't try to convert again | |
3568 | rgw_raw_obj obj(pool, oid); | |
3569 | ret = delete_system_obj(obj); | |
3570 | if (ret < 0) { | |
3571 | ldout(cct, 0) << "Error could not remove " << obj | |
3572 | << " after upgrading to zonegroup map: " << cpp_strerror(ret) << dendl; | |
3573 | return ret; | |
3574 | } | |
3575 | ||
3576 | return 0; | |
3577 | } | |
3578 | ||
3579 | /** | |
3580 | * Replace all region configuration with zonegroup for | |
3581 | * backward compatability | |
3582 | * Returns 0 on success, -ERR# on failure. | |
3583 | */ | |
3584 | int RGWRados::replace_region_with_zonegroup() | |
3585 | { | |
3586 | /* copy default region */ | |
3587 | /* convert default region to default zonegroup */ | |
3588 | string default_oid = cct->_conf->rgw_default_region_info_oid; | |
3589 | if (default_oid.empty()) { | |
3590 | default_oid = default_region_info_oid; | |
3591 | } | |
3592 | ||
3593 | ||
3594 | RGWZoneGroup default_zonegroup; | |
3595 | rgw_pool pool{default_zonegroup.get_pool(cct)}; | |
3596 | string oid = "converted"; | |
3597 | bufferlist bl; | |
3598 | RGWObjectCtx obj_ctx(this); | |
3599 | ||
3600 | int ret = rgw_get_system_obj(this, obj_ctx, pool ,oid, bl, NULL, NULL); | |
3601 | if (ret < 0 && ret != -ENOENT) { | |
3602 | ldout(cct, 0) << __func__ << " failed to read converted: ret "<< ret << " " << cpp_strerror(-ret) | |
3603 | << dendl; | |
3604 | return ret; | |
3605 | } else if (ret != -ENOENT) { | |
3606 | ldout(cct, 20) << "System already converted " << dendl; | |
3607 | return 0; | |
3608 | } | |
3609 | ||
3610 | string default_region; | |
3611 | ret = default_zonegroup.init(cct, this, false, true); | |
3612 | if (ret < 0) { | |
3613 | ldout(cct, 0) << __func__ << " failed init default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3614 | return ret; | |
3615 | } | |
3616 | ret = default_zonegroup.read_default_id(default_region, true); | |
3617 | if (ret < 0 && ret != -ENOENT) { | |
3618 | ldout(cct, 0) << __func__ << " failed reading old default region: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3619 | return ret; | |
3620 | } | |
3621 | ||
3622 | /* convert regions to zonegroups */ | |
3623 | list<string> regions; | |
3624 | ret = list_regions(regions); | |
3625 | if (ret < 0 && ret != -ENOENT) { | |
3626 | ldout(cct, 0) << __func__ << " failed to list regions: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3627 | return ret; | |
3628 | } else if (ret == -ENOENT || regions.empty()) { | |
3629 | RGWZoneParams zoneparams(default_zone_name); | |
3630 | int ret = zoneparams.init(cct, this); | |
3631 | if (ret < 0 && ret != -ENOENT) { | |
3632 | ldout(cct, 0) << __func__ << ": error initializing default zone params: " << cpp_strerror(-ret) << dendl; | |
3633 | return ret; | |
3634 | } | |
3635 | /* update master zone */ | |
3636 | RGWZoneGroup default_zg(default_zonegroup_name); | |
3637 | ret = default_zg.init(cct, this); | |
3638 | if (ret < 0 && ret != -ENOENT) { | |
3639 | ldout(cct, 0) << __func__ << ": error in initializing default zonegroup: " << cpp_strerror(-ret) << dendl; | |
3640 | return ret; | |
3641 | } | |
3642 | if (ret != -ENOENT && default_zg.master_zone.empty()) { | |
3643 | default_zg.master_zone = zoneparams.get_id(); | |
3644 | return default_zg.update(); | |
3645 | } | |
3646 | return 0; | |
3647 | } | |
3648 | ||
3649 | string master_region, master_zone; | |
3650 | for (list<string>::iterator iter = regions.begin(); iter != regions.end(); ++iter) { | |
3651 | if (*iter != default_zonegroup_name){ | |
3652 | RGWZoneGroup region(*iter); | |
3653 | int ret = region.init(cct, this, true, true); | |
3654 | if (ret < 0) { | |
3655 | ldout(cct, 0) << __func__ << " failed init region "<< *iter << ": " << cpp_strerror(-ret) << dendl; | |
3656 | return ret; | |
3657 | } | |
3658 | if (region.is_master) { | |
3659 | master_region = region.get_id(); | |
3660 | master_zone = region.master_zone; | |
3661 | } | |
3662 | } | |
3663 | } | |
3664 | ||
3665 | /* create realm if there is none. | |
3666 | The realm name will be the region and zone concatenated | |
3667 | realm id will be mds of its name */ | |
3668 | if (realm.get_id().empty() && !master_region.empty() && !master_zone.empty()) { | |
3669 | string new_realm_name = master_region + "." + master_zone; | |
3670 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
3671 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
3672 | MD5 hash; | |
3673 | hash.Update((const byte *)new_realm_name.c_str(), new_realm_name.length()); | |
3674 | hash.Final(md5); | |
3675 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
3676 | string new_realm_id(md5_str); | |
3677 | RGWRealm new_realm(new_realm_id,new_realm_name); | |
3678 | ret = new_realm.init(cct, this, false); | |
3679 | if (ret < 0) { | |
3680 | ldout(cct, 0) << __func__ << " Error initing new realm: " << cpp_strerror(-ret) << dendl; | |
3681 | return ret; | |
3682 | } | |
3683 | ret = new_realm.create(); | |
3684 | if (ret < 0 && ret != -EEXIST) { | |
3685 | ldout(cct, 0) << __func__ << " Error creating new realm: " << cpp_strerror(-ret) << dendl; | |
3686 | return ret; | |
3687 | } | |
3688 | ret = new_realm.set_as_default(); | |
3689 | if (ret < 0) { | |
3690 | ldout(cct, 0) << __func__ << " Error setting realm as default: " << cpp_strerror(-ret) << dendl; | |
3691 | return ret; | |
3692 | } | |
3693 | ret = realm.init(cct, this); | |
3694 | if (ret < 0) { | |
3695 | ldout(cct, 0) << __func__ << " Error initing realm: " << cpp_strerror(-ret) << dendl; | |
3696 | return ret; | |
3697 | } | |
3698 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
3699 | if (ret < 0) { | |
3700 | ldout(cct, 0) << __func__ << " Error initing current period: " << cpp_strerror(-ret) << dendl; | |
3701 | return ret; | |
3702 | } | |
3703 | } | |
3704 | ||
3705 | list<string>::iterator iter; | |
3706 | /* create zonegroups */ | |
3707 | for (iter = regions.begin(); iter != regions.end(); ++iter) | |
3708 | { | |
3709 | ldout(cct, 0) << __func__ << "Converting " << *iter << dendl; | |
3710 | /* check to see if we don't have already a zonegroup with this name */ | |
3711 | RGWZoneGroup new_zonegroup(*iter); | |
3712 | ret = new_zonegroup.init(cct , this); | |
3713 | if (ret == 0 && new_zonegroup.get_id() != *iter) { | |
3714 | ldout(cct, 0) << __func__ << " zonegroup "<< *iter << " already exists id " << new_zonegroup.get_id () << | |
3715 | " skipping conversion " << dendl; | |
3716 | continue; | |
3717 | } | |
3718 | RGWZoneGroup zonegroup(*iter); | |
3719 | zonegroup.set_id(*iter); | |
3720 | int ret = zonegroup.init(cct, this, true, true); | |
3721 | if (ret < 0) { | |
3722 | ldout(cct, 0) << __func__ << " failed init zonegroup: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3723 | return ret; | |
3724 | } | |
3725 | zonegroup.realm_id = realm.get_id(); | |
3726 | /* fix default region master zone */ | |
3727 | if (*iter == default_zonegroup_name && zonegroup.master_zone.empty()) { | |
3728 | ldout(cct, 0) << __func__ << " Setting default zone as master for default region" << dendl; | |
3729 | zonegroup.master_zone = default_zone_name; | |
3730 | } | |
3731 | ret = zonegroup.update(); | |
3732 | if (ret < 0 && ret != -EEXIST) { | |
3733 | ldout(cct, 0) << __func__ << " failed to update zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
3734 | << dendl; | |
3735 | return ret; | |
3736 | } | |
3737 | ret = zonegroup.update_name(); | |
3738 | if (ret < 0 && ret != -EEXIST) { | |
3739 | ldout(cct, 0) << __func__ << " failed to update_name for zonegroup " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
3740 | << dendl; | |
3741 | return ret; | |
3742 | } | |
3743 | if (zonegroup.get_name() == default_region) { | |
3744 | ret = zonegroup.set_as_default(); | |
3745 | if (ret < 0) { | |
3746 | ldout(cct, 0) << __func__ << " failed to set_as_default " << *iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
3747 | << dendl; | |
3748 | return ret; | |
3749 | } | |
3750 | } | |
3751 | for (map<string, RGWZone>::const_iterator iter = zonegroup.zones.begin(); iter != zonegroup.zones.end(); | |
3752 | ++iter) { | |
3753 | ldout(cct, 0) << __func__ << " Converting zone" << iter->first << dendl; | |
3754 | RGWZoneParams zoneparams(iter->first, iter->first); | |
3755 | zoneparams.set_id(iter->first); | |
3756 | zoneparams.realm_id = realm.get_id(); | |
3757 | ret = zoneparams.init(cct, this); | |
3758 | if (ret < 0 && ret != -ENOENT) { | |
3759 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
3760 | return ret; | |
3761 | } else if (ret == -ENOENT) { | |
3762 | ldout(cct, 0) << __func__ << " zone is part of another cluster " << iter->first << " skipping " << dendl; | |
3763 | continue; | |
3764 | } | |
3765 | zonegroup.realm_id = realm.get_id(); | |
3766 | ret = zoneparams.update(); | |
3767 | if (ret < 0 && ret != -EEXIST) { | |
3768 | ldout(cct, 0) << __func__ << " failed to update zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
3769 | return ret; | |
3770 | } | |
3771 | ret = zoneparams.update_name(); | |
3772 | if (ret < 0 && ret != -EEXIST) { | |
3773 | ldout(cct, 0) << __func__ << " failed to init zoneparams " << iter->first << ": " << cpp_strerror(-ret) << dendl; | |
3774 | return ret; | |
3775 | } | |
3776 | } | |
3777 | ||
3778 | if (!current_period.get_id().empty()) { | |
3779 | ret = current_period.add_zonegroup(zonegroup); | |
3780 | if (ret < 0) { | |
3781 | ldout(cct, 0) << __func__ << " failed to add zonegroup to current_period: " << cpp_strerror(-ret) << dendl; | |
3782 | return ret; | |
3783 | } | |
3784 | } | |
3785 | } | |
3786 | ||
3787 | if (!current_period.get_id().empty()) { | |
3788 | ret = current_period.update(); | |
3789 | if (ret < 0) { | |
3790 | ldout(cct, 0) << __func__ << " failed to update new period: " << cpp_strerror(-ret) << dendl; | |
3791 | return ret; | |
3792 | } | |
3793 | ret = current_period.store_info(false); | |
3794 | if (ret < 0) { | |
3795 | ldout(cct, 0) << __func__ << " failed to store new period: " << cpp_strerror(-ret) << dendl; | |
3796 | return ret; | |
3797 | } | |
3798 | ret = current_period.reflect(); | |
3799 | if (ret < 0) { | |
3800 | ldout(cct, 0) << __func__ << " failed to update local objects: " << cpp_strerror(-ret) << dendl; | |
3801 | return ret; | |
3802 | } | |
3803 | } | |
3804 | ||
3805 | for (auto const& iter : regions) { | |
3806 | RGWZoneGroup zonegroup(iter); | |
3807 | int ret = zonegroup.init(cct, this, true, true); | |
3808 | if (ret < 0) { | |
3809 | ldout(cct, 0) << __func__ << " failed init zonegroup" << iter << ": ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3810 | return ret; | |
3811 | } | |
3812 | ret = zonegroup.delete_obj(true); | |
3813 | if (ret < 0 && ret != -ENOENT) { | |
3814 | ldout(cct, 0) << __func__ << " failed to delete region " << iter << ": ret "<< ret << " " << cpp_strerror(-ret) | |
3815 | << dendl; | |
3816 | return ret; | |
3817 | } | |
3818 | } | |
3819 | ||
3820 | /* mark as converted */ | |
3821 | ret = rgw_put_system_obj(this, pool, oid, bl.c_str(), bl.length(), | |
3822 | true, NULL, real_time(), NULL); | |
3823 | if (ret < 0 ) { | |
3824 | ldout(cct, 0) << __func__ << " failed to mark cluster as converted: ret "<< ret << " " << cpp_strerror(-ret) | |
3825 | << dendl; | |
3826 | return ret; | |
3827 | } | |
3828 | ||
3829 | return 0; | |
3830 | } | |
3831 | ||
3832 | int RGWRados::init_zg_from_period(bool *initialized) | |
3833 | { | |
3834 | *initialized = false; | |
3835 | ||
3836 | if (current_period.get_id().empty()) { | |
3837 | return 0; | |
3838 | } | |
3839 | ||
3840 | int ret = zonegroup.init(cct, this); | |
3841 | ldout(cct, 20) << "period zonegroup init ret " << ret << dendl; | |
3842 | if (ret == -ENOENT) { | |
3843 | return 0; | |
3844 | } | |
3845 | if (ret < 0) { | |
3846 | ldout(cct, 0) << "failed reading zonegroup info: " << cpp_strerror(-ret) << dendl; | |
3847 | return ret; | |
3848 | } | |
3849 | ldout(cct, 20) << "period zonegroup name " << zonegroup.get_name() << dendl; | |
3850 | ||
3851 | map<string, RGWZoneGroup>::const_iterator iter = | |
3852 | current_period.get_map().zonegroups.find(zonegroup.get_id()); | |
3853 | ||
3854 | if (iter != current_period.get_map().zonegroups.end()) { | |
3855 | ldout(cct, 20) << "using current period zonegroup " << zonegroup.get_name() << dendl; | |
3856 | zonegroup = iter->second; | |
3857 | ret = zonegroup.init(cct, this, false); | |
3858 | if (ret < 0) { | |
3859 | ldout(cct, 0) << "failed init zonegroup: " << " " << cpp_strerror(-ret) << dendl; | |
3860 | return ret; | |
3861 | } | |
3862 | ret = zone_params.init(cct, this); | |
3863 | if (ret < 0 && ret != -ENOENT) { | |
3864 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
3865 | return ret; | |
3866 | } if (ret ==-ENOENT && zonegroup.get_name() == default_zonegroup_name) { | |
3867 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
3868 | zone_params.set_name(default_zone_name); | |
3869 | ret = zone_params.init(cct, this); | |
3870 | if (ret < 0 && ret != -ENOENT) { | |
3871 | ldout(cct, 0) << "failed reading zone params info: " << " " << cpp_strerror(-ret) << dendl; | |
3872 | return ret; | |
3873 | } | |
3874 | } | |
3875 | } | |
3876 | for (iter = current_period.get_map().zonegroups.begin(); | |
3877 | iter != current_period.get_map().zonegroups.end(); ++iter){ | |
3878 | const RGWZoneGroup& zg = iter->second; | |
3879 | // use endpoints from the zonegroup's master zone | |
3880 | auto master = zg.zones.find(zg.master_zone); | |
3881 | if (master == zg.zones.end()) { | |
3882 | // fix missing master zone for a single zone zonegroup | |
3883 | if (zg.master_zone.empty() && zg.zones.size() == 1) { | |
3884 | master = zg.zones.begin(); | |
3885 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing master_zone, setting zone " << | |
3886 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
3887 | if (zonegroup.get_id() == zg.get_id()) { | |
3888 | zonegroup.master_zone = master->second.id; | |
3889 | ret = zonegroup.update(); | |
3890 | if (ret < 0) { | |
3891 | ldout(cct, 0) << "error updating zonegroup : " << cpp_strerror(-ret) << dendl; | |
3892 | return ret; | |
3893 | } | |
3894 | } else { | |
3895 | RGWZoneGroup fixed_zg(zg.get_id(),zg.get_name()); | |
3896 | ret = fixed_zg.init(cct, this); | |
3897 | if (ret < 0) { | |
3898 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
3899 | return ret; | |
3900 | } | |
3901 | fixed_zg.master_zone = master->second.id; | |
3902 | ret = fixed_zg.update(); | |
3903 | if (ret < 0) { | |
3904 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
3905 | return ret; | |
3906 | } | |
3907 | } | |
3908 | } else { | |
3909 | ldout(cct, 0) << "zonegroup " << zg.get_name() << " missing zone for master_zone=" << | |
3910 | zg.master_zone << dendl; | |
3911 | return -EINVAL; | |
3912 | } | |
3913 | } | |
3914 | const auto& endpoints = master->second.endpoints; | |
3915 | add_new_connection_to_map(zonegroup_conn_map, zg, new RGWRESTConn(cct, this, zg.get_id(), endpoints)); | |
3916 | if (!current_period.get_master_zonegroup().empty() && | |
3917 | zg.get_id() == current_period.get_master_zonegroup()) { | |
3918 | rest_master_conn = new RGWRESTConn(cct, this, zg.get_id(), endpoints); | |
3919 | } | |
3920 | } | |
3921 | ||
3922 | *initialized = true; | |
3923 | ||
3924 | return 0; | |
3925 | } | |
3926 | ||
3927 | int RGWRados::init_zg_from_local(bool *creating_defaults) | |
3928 | { | |
3929 | int ret = zonegroup.init(cct, this); | |
3930 | if ( (ret < 0 && ret != -ENOENT) || (ret == -ENOENT && !cct->_conf->rgw_zonegroup.empty())) { | |
3931 | ldout(cct, 0) << "failed reading zonegroup info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3932 | return ret; | |
3933 | } else if (ret == -ENOENT) { | |
3934 | *creating_defaults = true; | |
3935 | ldout(cct, 10) << "Creating default zonegroup " << dendl; | |
3936 | ret = zonegroup.create_default(); | |
3937 | if (ret < 0) { | |
3938 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
3939 | << dendl; | |
3940 | return ret; | |
3941 | } | |
3942 | ret = zonegroup.init(cct, this); | |
3943 | if (ret < 0) { | |
3944 | ldout(cct, 0) << "failure in zonegroup create_default: ret "<< ret << " " << cpp_strerror(-ret) | |
3945 | << dendl; | |
3946 | return ret; | |
3947 | } | |
3948 | } | |
3949 | ldout(cct, 20) << "zonegroup " << zonegroup.get_name() << dendl; | |
3950 | if (zonegroup.is_master) { | |
3951 | // use endpoints from the zonegroup's master zone | |
3952 | auto master = zonegroup.zones.find(zonegroup.master_zone); | |
3953 | if (master == zonegroup.zones.end()) { | |
3954 | // fix missing master zone for a single zone zonegroup | |
3955 | if (zonegroup.master_zone.empty() && zonegroup.zones.size() == 1) { | |
3956 | master = zonegroup.zones.begin(); | |
3957 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing master_zone, setting zone " << | |
3958 | master->second.name << " id:" << master->second.id << " as master" << dendl; | |
3959 | zonegroup.master_zone = master->second.id; | |
3960 | ret = zonegroup.update(); | |
3961 | if (ret < 0) { | |
3962 | ldout(cct, 0) << "error initializing zonegroup : " << cpp_strerror(-ret) << dendl; | |
3963 | return ret; | |
3964 | } | |
3965 | } else { | |
3966 | ldout(cct, 0) << "zonegroup " << zonegroup.get_name() << " missing zone for " | |
3967 | "master_zone=" << zonegroup.master_zone << dendl; | |
3968 | return -EINVAL; | |
3969 | } | |
3970 | } | |
3971 | const auto& endpoints = master->second.endpoints; | |
3972 | rest_master_conn = new RGWRESTConn(cct, this, zonegroup.get_id(), endpoints); | |
3973 | } | |
3974 | ||
3975 | return 0; | |
3976 | } | |
3977 | ||
3978 | ||
3979 | bool RGWRados::zone_syncs_from(RGWZone& target_zone, RGWZone& source_zone) | |
3980 | { | |
3981 | return target_zone.syncs_from(source_zone.name) && | |
3982 | sync_modules_manager->supports_data_export(source_zone.tier_type); | |
3983 | } | |
3984 | ||
3985 | /** | |
3986 | * Initialize the RADOS instance and prepare to do other ops | |
3987 | * Returns 0 on success, -ERR# on failure. | |
3988 | */ | |
3989 | int RGWRados::init_complete() | |
3990 | { | |
3991 | int ret = realm.init(cct, this); | |
3992 | if (ret < 0 && ret != -ENOENT) { | |
3993 | ldout(cct, 0) << "failed reading realm info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
3994 | return ret; | |
3995 | } else if (ret != -ENOENT) { | |
3996 | ldout(cct, 20) << "realm " << realm.get_name() << " " << realm.get_id() << dendl; | |
3997 | ret = current_period.init(cct, this, realm.get_id(), realm.get_name()); | |
3998 | if (ret < 0 && ret != -ENOENT) { | |
3999 | ldout(cct, 0) << "failed reading current period info: " << " " << cpp_strerror(-ret) << dendl; | |
4000 | return ret; | |
4001 | } | |
4002 | ldout(cct, 20) << "current period " << current_period.get_id() << dendl; | |
4003 | } | |
4004 | ||
4005 | ret = replace_region_with_zonegroup(); | |
4006 | if (ret < 0) { | |
4007 | lderr(cct) << "failed converting region to zonegroup : ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4008 | return ret; | |
4009 | } | |
4010 | ||
4011 | ret = convert_regionmap(); | |
4012 | if (ret < 0) { | |
4013 | lderr(cct) << "failed converting regionmap: " << cpp_strerror(-ret) << dendl; | |
4014 | return ret; | |
4015 | } | |
4016 | ||
4017 | bool zg_initialized = false; | |
4018 | ||
4019 | if (!current_period.get_id().empty()) { | |
4020 | ret = init_zg_from_period(&zg_initialized); | |
4021 | if (ret < 0) { | |
4022 | return ret; | |
4023 | } | |
4024 | } | |
4025 | ||
4026 | bool creating_defaults = false; | |
4027 | bool using_local = (!zg_initialized); | |
4028 | if (using_local) { | |
4029 | ldout(cct, 10) << " cannot find current period zonegroup using local zonegroup" << dendl; | |
4030 | ret = init_zg_from_local(&creating_defaults); | |
4031 | if (ret < 0) { | |
4032 | return ret; | |
4033 | } | |
4034 | // read period_config into current_period | |
4035 | auto& period_config = current_period.get_config(); | |
4036 | ret = period_config.read(this, zonegroup.realm_id); | |
4037 | if (ret < 0 && ret != -ENOENT) { | |
4038 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
4039 | << cpp_strerror(ret) << dendl; | |
4040 | return ret; | |
4041 | } | |
4042 | } | |
4043 | ||
4044 | ldout(cct, 10) << "Cannot find current period zone using local zone" << dendl; | |
4045 | if (creating_defaults && cct->_conf->rgw_zone.empty()) { | |
4046 | ldout(cct, 10) << " Using default name "<< default_zone_name << dendl; | |
4047 | zone_params.set_name(default_zone_name); | |
4048 | } | |
4049 | ||
4050 | ret = zone_params.init(cct, this); | |
4051 | if (ret < 0 && ret != -ENOENT) { | |
4052 | lderr(cct) << "failed reading zone info: ret "<< ret << " " << cpp_strerror(-ret) << dendl; | |
4053 | return ret; | |
4054 | } | |
4055 | map<string, RGWZone>::iterator zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4056 | if (zone_iter == get_zonegroup().zones.end()) { | |
4057 | if (using_local) { | |
4058 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4059 | return -EINVAL; | |
4060 | } | |
4061 | ldout(cct, 1) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << "), switching to local zonegroup configuration" << dendl; | |
4062 | ret = init_zg_from_local(&creating_defaults); | |
4063 | if (ret < 0) { | |
4064 | return ret; | |
4065 | } | |
4066 | zone_iter = get_zonegroup().zones.find(zone_params.get_id()); | |
4067 | } | |
4068 | if (zone_iter != get_zonegroup().zones.end()) { | |
4069 | zone_public_config = zone_iter->second; | |
4070 | ldout(cct, 20) << "zone " << zone_params.get_name() << dendl; | |
4071 | } else { | |
4072 | lderr(cct) << "Cannot find zone id=" << zone_params.get_id() << " (name=" << zone_params.get_name() << ")" << dendl; | |
4073 | return -EINVAL; | |
4074 | } | |
4075 | ||
4076 | zone_short_id = current_period.get_map().get_zone_short_id(zone_params.get_id()); | |
4077 | ||
4078 | ret = sync_modules_manager->create_instance(cct, zone_public_config.tier_type, zone_params.tier_config, &sync_module); | |
4079 | if (ret < 0) { | |
4080 | lderr(cct) << "ERROR: failed to init sync module instance, ret=" << ret << dendl; | |
4081 | return ret; | |
4082 | } | |
4083 | ||
4084 | writeable_zone = (zone_public_config.tier_type.empty() || zone_public_config.tier_type == "rgw"); | |
4085 | ||
4086 | init_unique_trans_id_deps(); | |
4087 | ||
4088 | finisher = new Finisher(cct); | |
4089 | finisher->start(); | |
4090 | ||
4091 | period_puller.reset(new RGWPeriodPuller(this)); | |
4092 | period_history.reset(new RGWPeriodHistory(cct, period_puller.get(), | |
4093 | current_period)); | |
4094 | ||
4095 | if (need_watch_notify()) { | |
4096 | ret = init_watch(); | |
4097 | if (ret < 0) { | |
4098 | lderr(cct) << "ERROR: failed to initialize watch: " << cpp_strerror(-ret) << dendl; | |
4099 | return ret; | |
4100 | } | |
4101 | } | |
4102 | ||
4103 | /* first build all zones index */ | |
4104 | for (auto ziter : get_zonegroup().zones) { | |
4105 | const string& id = ziter.first; | |
4106 | RGWZone& z = ziter.second; | |
4107 | zone_id_by_name[z.name] = id; | |
4108 | zone_by_id[id] = z; | |
4109 | } | |
4110 | ||
4111 | if (zone_by_id.find(zone_id()) == zone_by_id.end()) { | |
4112 | ldout(cct, 0) << "WARNING: could not find zone config in zonegroup for local zone (" << zone_id() << "), will use defaults" << dendl; | |
4113 | } | |
4114 | zone_public_config = zone_by_id[zone_id()]; | |
4115 | for (auto ziter : get_zonegroup().zones) { | |
4116 | const string& id = ziter.first; | |
4117 | RGWZone& z = ziter.second; | |
4118 | if (id == zone_id()) { | |
4119 | continue; | |
4120 | } | |
4121 | if (z.endpoints.empty()) { | |
4122 | ldout(cct, 0) << "WARNING: can't generate connection for zone " << z.id << " id " << z.name << ": no endpoints defined" << dendl; | |
4123 | continue; | |
4124 | } | |
4125 | ldout(cct, 20) << "generating connection object for zone " << z.name << " id " << z.id << dendl; | |
4126 | RGWRESTConn *conn = new RGWRESTConn(cct, this, z.id, z.endpoints); | |
4127 | zone_conn_map[id] = conn; | |
4128 | if (zone_syncs_from(zone_public_config, z) || | |
4129 | zone_syncs_from(z, zone_public_config)) { | |
4130 | if (zone_syncs_from(zone_public_config, z)) { | |
4131 | zone_data_sync_from_map[id] = conn; | |
4132 | } | |
4133 | if (zone_syncs_from(z, zone_public_config)) { | |
4134 | zone_data_notify_to_map[id] = conn; | |
4135 | } | |
4136 | } else { | |
4137 | ldout(cct, 20) << "NOTICE: not syncing to/from zone " << z.name << " id " << z.id << dendl; | |
4138 | } | |
4139 | } | |
4140 | ||
4141 | ret = open_root_pool_ctx(); | |
4142 | if (ret < 0) | |
4143 | return ret; | |
4144 | ||
4145 | ret = open_gc_pool_ctx(); | |
4146 | if (ret < 0) | |
4147 | return ret; | |
4148 | ||
4149 | ret = open_lc_pool_ctx(); | |
4150 | if (ret < 0) | |
4151 | return ret; | |
4152 | ||
4153 | ret = open_objexp_pool_ctx(); | |
4154 | if (ret < 0) | |
4155 | return ret; | |
4156 | ||
4157 | pools_initialized = true; | |
4158 | ||
4159 | gc = new RGWGC(); | |
4160 | gc->initialize(cct, this); | |
4161 | ||
4162 | obj_expirer = new RGWObjectExpirer(this); | |
4163 | ||
4164 | if (use_gc_thread) { | |
4165 | gc->start_processor(); | |
4166 | obj_expirer->start_processor(); | |
4167 | } | |
4168 | ||
4169 | if (run_sync_thread) { | |
4170 | // initialize the log period history. we want to do this any time we're not | |
4171 | // running under radosgw-admin, so we check run_sync_thread here before | |
4172 | // disabling it based on the zone/zonegroup setup | |
4173 | meta_mgr->init_oldest_log_period(); | |
4174 | } | |
4175 | ||
4176 | /* no point of running sync thread if we don't have a master zone configured | |
4177 | or there is no rest_master_conn */ | |
4178 | if (get_zonegroup().master_zone.empty() || !rest_master_conn | |
4179 | || current_period.get_id().empty()) { | |
4180 | run_sync_thread = false; | |
4181 | } | |
4182 | ||
4183 | async_rados = new RGWAsyncRadosProcessor(this, cct->_conf->rgw_num_async_rados_threads); | |
4184 | async_rados->start(); | |
4185 | ||
4186 | ret = meta_mgr->init(current_period.get_id()); | |
4187 | if (ret < 0) { | |
4188 | lderr(cct) << "ERROR: failed to initialize metadata log: " | |
4189 | << cpp_strerror(-ret) << dendl; | |
4190 | return ret; | |
4191 | } | |
4192 | ||
4193 | if (is_meta_master()) { | |
4194 | auto md_log = meta_mgr->get_log(current_period.get_id()); | |
4195 | meta_notifier = new RGWMetaNotifier(this, md_log); | |
4196 | meta_notifier->start(); | |
4197 | } | |
4198 | ||
4199 | if (run_sync_thread) { | |
4200 | Mutex::Locker l(meta_sync_thread_lock); | |
4201 | meta_sync_processor_thread = new RGWMetaSyncProcessorThread(this, async_rados); | |
4202 | ret = meta_sync_processor_thread->init(); | |
4203 | if (ret < 0) { | |
4204 | ldout(cct, 0) << "ERROR: failed to initialize meta sync thread" << dendl; | |
4205 | return ret; | |
4206 | } | |
4207 | meta_sync_processor_thread->start(); | |
4208 | ||
4209 | Mutex::Locker dl(data_sync_thread_lock); | |
4210 | for (auto iter : zone_data_sync_from_map) { | |
4211 | ldout(cct, 5) << "starting data sync thread for zone " << iter.first << dendl; | |
4212 | RGWDataSyncProcessorThread *thread = new RGWDataSyncProcessorThread(this, async_rados, iter.first); | |
4213 | ret = thread->init(); | |
4214 | if (ret < 0) { | |
4215 | ldout(cct, 0) << "ERROR: failed to initialize data sync thread" << dendl; | |
4216 | return ret; | |
4217 | } | |
4218 | thread->start(); | |
4219 | data_sync_processor_threads[iter.first] = thread; | |
4220 | } | |
4221 | auto interval = cct->_conf->rgw_sync_log_trim_interval; | |
4222 | if (interval > 0) { | |
4223 | sync_log_trimmer = new RGWSyncLogTrimThread(this, interval); | |
4224 | ret = sync_log_trimmer->init(); | |
4225 | if (ret < 0) { | |
4226 | ldout(cct, 0) << "ERROR: failed to initialize sync log trim thread" << dendl; | |
4227 | return ret; | |
4228 | } | |
4229 | sync_log_trimmer->start(); | |
4230 | } | |
4231 | } | |
4232 | data_notifier = new RGWDataNotifier(this); | |
4233 | data_notifier->start(); | |
4234 | ||
4235 | lc = new RGWLC(); | |
4236 | lc->initialize(cct, this); | |
4237 | ||
4238 | if (use_lc_thread) | |
4239 | lc->start_processor(); | |
4240 | ||
4241 | quota_handler = RGWQuotaHandler::generate_handler(this, quota_threads); | |
4242 | ||
4243 | bucket_index_max_shards = (cct->_conf->rgw_override_bucket_index_max_shards ? cct->_conf->rgw_override_bucket_index_max_shards : | |
4244 | get_zone().bucket_index_max_shards); | |
4245 | if (bucket_index_max_shards > MAX_BUCKET_INDEX_SHARDS_PRIME) { | |
4246 | bucket_index_max_shards = MAX_BUCKET_INDEX_SHARDS_PRIME; | |
4247 | ldout(cct, 1) << __func__ << " bucket index max shards is too large, reset to value: " | |
4248 | << MAX_BUCKET_INDEX_SHARDS_PRIME << dendl; | |
4249 | } | |
4250 | ldout(cct, 20) << __func__ << " bucket index max shards: " << bucket_index_max_shards << dendl; | |
4251 | ||
4252 | binfo_cache = new RGWChainedCacheImpl<bucket_info_entry>; | |
4253 | binfo_cache->init(this); | |
4254 | ||
4255 | bool need_tombstone_cache = !zone_data_notify_to_map.empty(); /* have zones syncing from us */ | |
4256 | ||
4257 | if (need_tombstone_cache) { | |
4258 | obj_tombstone_cache = new tombstone_cache_t(cct->_conf->rgw_obj_tombstone_cache_size); | |
4259 | } | |
4260 | ||
4261 | return ret; | |
4262 | } | |
4263 | ||
4264 | /** | |
4265 | * Initialize the RADOS instance and prepare to do other ops | |
4266 | * Returns 0 on success, -ERR# on failure. | |
4267 | */ | |
4268 | int RGWRados::initialize() | |
4269 | { | |
4270 | int ret; | |
4271 | ||
4272 | ret = init_rados(); | |
4273 | if (ret < 0) | |
4274 | return ret; | |
4275 | ||
4276 | return init_complete(); | |
4277 | } | |
4278 | ||
4279 | void RGWRados::finalize_watch() | |
4280 | { | |
4281 | for (int i = 0; i < num_watchers; i++) { | |
4282 | RGWWatcher *watcher = watchers[i]; | |
4283 | watcher->unregister_watch(); | |
4284 | delete watcher; | |
4285 | } | |
4286 | ||
4287 | delete[] notify_oids; | |
4288 | delete[] watchers; | |
4289 | } | |
4290 | ||
4291 | void RGWRados::schedule_context(Context *c) { | |
4292 | finisher->queue(c); | |
4293 | } | |
4294 | ||
4295 | int RGWRados::list_raw_prefixed_objs(const rgw_pool& pool, const string& prefix, list<string>& result) | |
4296 | { | |
4297 | bool is_truncated; | |
4298 | RGWListRawObjsCtx ctx; | |
4299 | do { | |
4300 | list<string> oids; | |
4301 | int r = list_raw_objects(pool, prefix, 1000, | |
4302 | ctx, oids, &is_truncated); | |
4303 | if (r < 0) { | |
4304 | return r; | |
4305 | } | |
4306 | list<string>::iterator iter; | |
4307 | for (iter = oids.begin(); iter != oids.end(); ++iter) { | |
4308 | string& val = *iter; | |
4309 | if (val.size() > prefix.size()) | |
4310 | result.push_back(val.substr(prefix.size())); | |
4311 | } | |
4312 | } while (is_truncated); | |
4313 | ||
4314 | return 0; | |
4315 | } | |
4316 | ||
4317 | int RGWRados::list_regions(list<string>& regions) | |
4318 | { | |
4319 | RGWZoneGroup zonegroup; | |
4320 | ||
4321 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), region_info_oid_prefix, regions); | |
4322 | } | |
4323 | ||
4324 | int RGWRados::list_zonegroups(list<string>& zonegroups) | |
4325 | { | |
4326 | RGWZoneGroup zonegroup; | |
4327 | ||
4328 | return list_raw_prefixed_objs(zonegroup.get_pool(cct), zonegroup_names_oid_prefix, zonegroups); | |
4329 | } | |
4330 | ||
4331 | int RGWRados::list_zones(list<string>& zones) | |
4332 | { | |
4333 | RGWZoneParams zoneparams; | |
4334 | ||
4335 | return list_raw_prefixed_objs(zoneparams.get_pool(cct), zone_names_oid_prefix, zones); | |
4336 | } | |
4337 | ||
4338 | int RGWRados::list_realms(list<string>& realms) | |
4339 | { | |
4340 | RGWRealm realm(cct, this); | |
4341 | return list_raw_prefixed_objs(realm.get_pool(cct), realm_names_oid_prefix, realms); | |
4342 | } | |
4343 | ||
4344 | int RGWRados::list_periods(list<string>& periods) | |
4345 | { | |
4346 | RGWPeriod period; | |
4347 | list<string> raw_periods; | |
4348 | int ret = list_raw_prefixed_objs(period.get_pool(cct), period.get_info_oid_prefix(), raw_periods); | |
4349 | if (ret < 0) { | |
4350 | return ret; | |
4351 | } | |
4352 | for (const auto& oid : raw_periods) { | |
4353 | size_t pos = oid.find("."); | |
4354 | if (pos != std::string::npos) { | |
4355 | periods.push_back(oid.substr(0, pos)); | |
4356 | } else { | |
4357 | periods.push_back(oid); | |
4358 | } | |
4359 | } | |
4360 | periods.sort(); // unique() only detects duplicates if they're adjacent | |
4361 | periods.unique(); | |
4362 | return 0; | |
4363 | } | |
4364 | ||
4365 | ||
4366 | int RGWRados::list_periods(const string& current_period, list<string>& periods) | |
4367 | { | |
4368 | int ret = 0; | |
4369 | string period_id = current_period; | |
4370 | while(!period_id.empty()) { | |
4371 | RGWPeriod period(period_id); | |
4372 | ret = period.init(cct, this); | |
4373 | if (ret < 0) { | |
4374 | return ret; | |
4375 | } | |
4376 | periods.push_back(period.get_id()); | |
4377 | period_id = period.get_predecessor(); | |
4378 | } | |
4379 | ||
4380 | return ret; | |
4381 | } | |
4382 | ||
4383 | /** | |
4384 | * Open the pool used as root for this gateway | |
4385 | * Returns: 0 on success, -ERR# otherwise. | |
4386 | */ | |
4387 | int RGWRados::open_root_pool_ctx() | |
4388 | { | |
4389 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().domain_root, root_pool_ctx, true); | |
4390 | } | |
4391 | ||
4392 | int RGWRados::open_gc_pool_ctx() | |
4393 | { | |
4394 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().gc_pool, gc_pool_ctx, true); | |
4395 | } | |
4396 | ||
4397 | int RGWRados::open_lc_pool_ctx() | |
4398 | { | |
4399 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().lc_pool, lc_pool_ctx, true); | |
4400 | } | |
4401 | ||
4402 | int RGWRados::open_objexp_pool_ctx() | |
4403 | { | |
4404 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, objexp_pool_ctx, true); | |
4405 | } | |
4406 | ||
4407 | int RGWRados::init_watch() | |
4408 | { | |
4409 | int r = rgw_init_ioctx(&rados[0], get_zone_params().control_pool, control_pool_ctx, true); | |
4410 | if (r < 0) { | |
4411 | return r; | |
4412 | } | |
4413 | ||
4414 | num_watchers = cct->_conf->rgw_num_control_oids; | |
4415 | ||
4416 | bool compat_oid = (num_watchers == 0); | |
4417 | ||
4418 | if (num_watchers <= 0) | |
4419 | num_watchers = 1; | |
4420 | ||
4421 | notify_oids = new string[num_watchers]; | |
4422 | watchers = new RGWWatcher *[num_watchers]; | |
4423 | ||
4424 | for (int i=0; i < num_watchers; i++) { | |
4425 | string& notify_oid = notify_oids[i]; | |
4426 | notify_oid = notify_oid_prefix; | |
4427 | if (!compat_oid) { | |
4428 | char buf[16]; | |
4429 | snprintf(buf, sizeof(buf), ".%d", i); | |
4430 | notify_oid.append(buf); | |
4431 | } | |
4432 | r = control_pool_ctx.create(notify_oid, false); | |
4433 | if (r < 0 && r != -EEXIST) | |
4434 | return r; | |
4435 | ||
4436 | RGWWatcher *watcher = new RGWWatcher(this, i, notify_oid); | |
4437 | watchers[i] = watcher; | |
4438 | ||
4439 | r = watcher->register_watch(); | |
4440 | if (r < 0) | |
4441 | return r; | |
4442 | } | |
4443 | ||
4444 | watch_initialized = true; | |
4445 | ||
4446 | set_cache_enabled(true); | |
4447 | ||
4448 | return 0; | |
4449 | } | |
4450 | ||
4451 | void RGWRados::pick_control_oid(const string& key, string& notify_oid) | |
4452 | { | |
4453 | uint32_t r = ceph_str_hash_linux(key.c_str(), key.size()); | |
4454 | ||
4455 | int i = r % num_watchers; | |
4456 | char buf[16]; | |
4457 | snprintf(buf, sizeof(buf), ".%d", i); | |
4458 | ||
4459 | notify_oid = notify_oid_prefix; | |
4460 | notify_oid.append(buf); | |
4461 | } | |
4462 | ||
4463 | int RGWRados::open_pool_ctx(const rgw_pool& pool, librados::IoCtx& io_ctx) | |
4464 | { | |
4465 | librados::Rados *rad = get_rados_handle(); | |
4466 | int r = rgw_init_ioctx(rad, pool, io_ctx); | |
4467 | if (r != -ENOENT) | |
4468 | return r; | |
4469 | ||
4470 | if (!pools_initialized) | |
4471 | return r; | |
4472 | ||
4473 | r = rad->pool_create(pool.name.c_str()); | |
4474 | if (r < 0 && r != -EEXIST) | |
4475 | return r; | |
4476 | ||
4477 | return rgw_init_ioctx(rad, pool, io_ctx); | |
4478 | } | |
4479 | ||
4480 | void RGWRados::build_bucket_index_marker(const string& shard_id_str, const string& shard_marker, | |
4481 | string *marker) { | |
4482 | if (marker) { | |
4483 | *marker = shard_id_str; | |
4484 | marker->append(BucketIndexShardsManager::KEY_VALUE_SEPARATOR); | |
4485 | marker->append(shard_marker); | |
4486 | } | |
4487 | } | |
4488 | ||
4489 | int RGWRados::open_bucket_index_ctx(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx) | |
4490 | { | |
4491 | const string *rule = &bucket_info.placement_rule; | |
4492 | if (rule->empty()) { | |
4493 | rule = &zonegroup.default_placement; | |
4494 | } | |
4495 | auto iter = zone_params.placement_pools.find(*rule); | |
4496 | if (iter == zone_params.placement_pools.end()) { | |
4497 | ldout(cct, 0) << "could not find placement rule " << *rule << " within zonegroup " << dendl; | |
4498 | return -EINVAL; | |
4499 | } | |
4500 | ||
4501 | int r = open_pool_ctx(iter->second.index_pool, index_ctx); | |
4502 | if (r < 0) | |
4503 | return r; | |
4504 | ||
4505 | return 0; | |
4506 | } | |
4507 | ||
4508 | /** | |
4509 | * set up a bucket listing. | |
4510 | * handle is filled in. | |
4511 | * Returns 0 on success, -ERR# otherwise. | |
4512 | */ | |
4513 | int RGWRados::list_buckets_init(RGWAccessHandle *handle) | |
4514 | { | |
4515 | librados::NObjectIterator *state = new librados::NObjectIterator(root_pool_ctx.nobjects_begin()); | |
4516 | *handle = (RGWAccessHandle)state; | |
4517 | return 0; | |
4518 | } | |
4519 | ||
4520 | /** | |
4521 | * get the next bucket in the listing. | |
4522 | * obj is filled in, | |
4523 | * handle is updated. | |
4524 | * returns 0 on success, -ERR# otherwise. | |
4525 | */ | |
4526 | int RGWRados::list_buckets_next(rgw_bucket_dir_entry& obj, RGWAccessHandle *handle) | |
4527 | { | |
4528 | librados::NObjectIterator *state = (librados::NObjectIterator *)*handle; | |
4529 | ||
4530 | do { | |
4531 | if (*state == root_pool_ctx.nobjects_end()) { | |
4532 | delete state; | |
4533 | return -ENOENT; | |
4534 | } | |
4535 | ||
4536 | obj.key.name = (*state)->get_oid(); | |
4537 | if (obj.key.name[0] == '_') { | |
4538 | obj.key.name = obj.key.name.substr(1); | |
4539 | } | |
4540 | ||
4541 | (*state)++; | |
4542 | } while (obj.key.name[0] == '.'); /* skip all entries starting with '.' */ | |
4543 | ||
4544 | return 0; | |
4545 | } | |
4546 | ||
4547 | ||
4548 | /**** logs ****/ | |
4549 | ||
4550 | struct log_list_state { | |
4551 | string prefix; | |
4552 | librados::IoCtx io_ctx; | |
4553 | librados::NObjectIterator obit; | |
4554 | }; | |
4555 | ||
4556 | int RGWRados::log_list_init(const string& prefix, RGWAccessHandle *handle) | |
4557 | { | |
4558 | log_list_state *state = new log_list_state; | |
4559 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4560 | if (r < 0) { | |
4561 | delete state; | |
4562 | return r; | |
4563 | } | |
4564 | state->prefix = prefix; | |
4565 | state->obit = state->io_ctx.nobjects_begin(); | |
4566 | *handle = (RGWAccessHandle)state; | |
4567 | return 0; | |
4568 | } | |
4569 | ||
4570 | int RGWRados::log_list_next(RGWAccessHandle handle, string *name) | |
4571 | { | |
4572 | log_list_state *state = static_cast<log_list_state *>(handle); | |
4573 | while (true) { | |
4574 | if (state->obit == state->io_ctx.nobjects_end()) { | |
4575 | delete state; | |
4576 | return -ENOENT; | |
4577 | } | |
4578 | if (state->prefix.length() && | |
4579 | state->obit->get_oid().find(state->prefix) != 0) { | |
4580 | state->obit++; | |
4581 | continue; | |
4582 | } | |
4583 | *name = state->obit->get_oid(); | |
4584 | state->obit++; | |
4585 | break; | |
4586 | } | |
4587 | return 0; | |
4588 | } | |
4589 | ||
4590 | int RGWRados::log_remove(const string& name) | |
4591 | { | |
4592 | librados::IoCtx io_ctx; | |
4593 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4594 | if (r < 0) | |
4595 | return r; | |
4596 | return io_ctx.remove(name); | |
4597 | } | |
4598 | ||
4599 | struct log_show_state { | |
4600 | librados::IoCtx io_ctx; | |
4601 | bufferlist bl; | |
4602 | bufferlist::iterator p; | |
4603 | string name; | |
4604 | uint64_t pos; | |
4605 | bool eof; | |
4606 | log_show_state() : pos(0), eof(false) {} | |
4607 | }; | |
4608 | ||
4609 | int RGWRados::log_show_init(const string& name, RGWAccessHandle *handle) | |
4610 | { | |
4611 | log_show_state *state = new log_show_state; | |
4612 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, state->io_ctx); | |
4613 | if (r < 0) { | |
4614 | delete state; | |
4615 | return r; | |
4616 | } | |
4617 | state->name = name; | |
4618 | *handle = (RGWAccessHandle)state; | |
4619 | return 0; | |
4620 | } | |
4621 | ||
4622 | int RGWRados::log_show_next(RGWAccessHandle handle, rgw_log_entry *entry) | |
4623 | { | |
4624 | log_show_state *state = static_cast<log_show_state *>(handle); | |
4625 | off_t off = state->p.get_off(); | |
4626 | ||
4627 | ldout(cct, 10) << "log_show_next pos " << state->pos << " bl " << state->bl.length() | |
4628 | << " off " << off | |
4629 | << " eof " << (int)state->eof | |
4630 | << dendl; | |
4631 | // read some? | |
4632 | unsigned chunk = 1024*1024; | |
4633 | if ((state->bl.length() - off) < chunk/2 && !state->eof) { | |
4634 | bufferlist more; | |
4635 | int r = state->io_ctx.read(state->name, more, chunk, state->pos); | |
4636 | if (r < 0) | |
4637 | return r; | |
4638 | state->pos += r; | |
4639 | bufferlist old; | |
4640 | try { | |
4641 | old.substr_of(state->bl, off, state->bl.length() - off); | |
4642 | } catch (buffer::error& err) { | |
4643 | return -EINVAL; | |
4644 | } | |
4645 | state->bl.clear(); | |
4646 | state->bl.claim(old); | |
4647 | state->bl.claim_append(more); | |
4648 | state->p = state->bl.begin(); | |
4649 | if ((unsigned)r < chunk) | |
4650 | state->eof = true; | |
4651 | ldout(cct, 10) << " read " << r << dendl; | |
4652 | } | |
4653 | ||
4654 | if (state->p.end()) | |
4655 | return 0; // end of file | |
4656 | try { | |
4657 | ::decode(*entry, state->p); | |
4658 | } | |
4659 | catch (const buffer::error &e) { | |
4660 | return -EINVAL; | |
4661 | } | |
4662 | return 1; | |
4663 | } | |
4664 | ||
4665 | /** | |
4666 | * usage_log_hash: get usage log key hash, based on name and index | |
4667 | * | |
4668 | * Get the usage object name. Since a user may have more than 1 | |
4669 | * object holding that info (multiple shards), we use index to | |
4670 | * specify that shard number. Once index exceeds max shards it | |
4671 | * wraps. | |
4672 | * If name is not being set, results for all users will be returned | |
4673 | * and index will wrap only after total shards number. | |
4674 | * | |
4675 | * @param cct [in] ceph context | |
4676 | * @param name [in] user name | |
4677 | * @param hash [out] hash value | |
4678 | * @param index [in] shard index number | |
4679 | */ | |
4680 | static void usage_log_hash(CephContext *cct, const string& name, string& hash, uint32_t index) | |
4681 | { | |
4682 | uint32_t val = index; | |
4683 | ||
4684 | if (!name.empty()) { | |
4685 | int max_user_shards = max(cct->_conf->rgw_usage_max_user_shards, 1); | |
4686 | val %= max_user_shards; | |
4687 | val += ceph_str_hash_linux(name.c_str(), name.size()); | |
4688 | } | |
4689 | char buf[17]; | |
4690 | int max_shards = max(cct->_conf->rgw_usage_max_shards, 1); | |
4691 | snprintf(buf, sizeof(buf), RGW_USAGE_OBJ_PREFIX "%u", (unsigned)(val % max_shards)); | |
4692 | hash = buf; | |
4693 | } | |
4694 | ||
4695 | int RGWRados::log_usage(map<rgw_user_bucket, RGWUsageBatch>& usage_info) | |
4696 | { | |
4697 | uint32_t index = 0; | |
4698 | ||
4699 | map<string, rgw_usage_log_info> log_objs; | |
4700 | ||
4701 | string hash; | |
4702 | string last_user; | |
4703 | ||
4704 | /* restructure usage map, zone by object hash */ | |
4705 | map<rgw_user_bucket, RGWUsageBatch>::iterator iter; | |
4706 | for (iter = usage_info.begin(); iter != usage_info.end(); ++iter) { | |
4707 | const rgw_user_bucket& ub = iter->first; | |
4708 | RGWUsageBatch& info = iter->second; | |
4709 | ||
4710 | if (ub.user.empty()) { | |
4711 | ldout(cct, 0) << "WARNING: RGWRados::log_usage(): user name empty (bucket=" << ub.bucket << "), skipping" << dendl; | |
4712 | continue; | |
4713 | } | |
4714 | ||
4715 | if (ub.user != last_user) { | |
4716 | /* index *should* be random, but why waste extra cycles | |
4717 | in most cases max user shards is not going to exceed 1, | |
4718 | so just incrementing it */ | |
4719 | usage_log_hash(cct, ub.user, hash, index++); | |
4720 | } | |
4721 | last_user = ub.user; | |
4722 | vector<rgw_usage_log_entry>& v = log_objs[hash].entries; | |
4723 | ||
4724 | for (auto miter = info.m.begin(); miter != info.m.end(); ++miter) { | |
4725 | v.push_back(miter->second); | |
4726 | } | |
4727 | } | |
4728 | ||
4729 | map<string, rgw_usage_log_info>::iterator liter; | |
4730 | ||
4731 | for (liter = log_objs.begin(); liter != log_objs.end(); ++liter) { | |
4732 | int r = cls_obj_usage_log_add(liter->first, liter->second); | |
4733 | if (r < 0) | |
4734 | return r; | |
4735 | } | |
4736 | return 0; | |
4737 | } | |
4738 | ||
4739 | int RGWRados::read_usage(const rgw_user& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
4740 | bool *is_truncated, RGWUsageIter& usage_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage) | |
4741 | { | |
4742 | uint32_t num = max_entries; | |
4743 | string hash, first_hash; | |
4744 | string user_str = user.to_str(); | |
4745 | usage_log_hash(cct, user_str, first_hash, 0); | |
4746 | ||
4747 | if (usage_iter.index) { | |
4748 | usage_log_hash(cct, user_str, hash, usage_iter.index); | |
4749 | } else { | |
4750 | hash = first_hash; | |
4751 | } | |
4752 | ||
4753 | usage.clear(); | |
4754 | ||
4755 | do { | |
4756 | map<rgw_user_bucket, rgw_usage_log_entry> ret_usage; | |
4757 | map<rgw_user_bucket, rgw_usage_log_entry>::iterator iter; | |
4758 | ||
4759 | int ret = cls_obj_usage_log_read(hash, user_str, start_epoch, end_epoch, num, | |
4760 | usage_iter.read_iter, ret_usage, is_truncated); | |
4761 | if (ret == -ENOENT) | |
4762 | goto next; | |
4763 | ||
4764 | if (ret < 0) | |
4765 | return ret; | |
4766 | ||
4767 | num -= ret_usage.size(); | |
4768 | ||
4769 | for (iter = ret_usage.begin(); iter != ret_usage.end(); ++iter) { | |
4770 | usage[iter->first].aggregate(iter->second); | |
4771 | } | |
4772 | ||
4773 | next: | |
4774 | if (!*is_truncated) { | |
4775 | usage_iter.read_iter.clear(); | |
4776 | usage_log_hash(cct, user_str, hash, ++usage_iter.index); | |
4777 | } | |
4778 | } while (num && !*is_truncated && hash != first_hash); | |
4779 | return 0; | |
4780 | } | |
4781 | ||
4782 | int RGWRados::trim_usage(rgw_user& user, uint64_t start_epoch, uint64_t end_epoch) | |
4783 | { | |
4784 | uint32_t index = 0; | |
4785 | string hash, first_hash; | |
4786 | string user_str = user.to_str(); | |
4787 | usage_log_hash(cct, user_str, first_hash, index); | |
4788 | ||
4789 | hash = first_hash; | |
4790 | ||
4791 | do { | |
4792 | int ret = cls_obj_usage_log_trim(hash, user_str, start_epoch, end_epoch); | |
4793 | if (ret == -ENOENT) | |
4794 | goto next; | |
4795 | ||
4796 | if (ret < 0) | |
4797 | return ret; | |
4798 | ||
4799 | next: | |
4800 | usage_log_hash(cct, user_str, hash, ++index); | |
4801 | } while (hash != first_hash); | |
4802 | ||
4803 | return 0; | |
4804 | } | |
4805 | ||
4806 | #define MAX_SHARDS_PRIME 7877 | |
4807 | ||
4808 | int RGWRados::key_to_shard_id(const string& key, int max_shards) | |
4809 | { | |
4810 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()) % MAX_SHARDS_PRIME; | |
4811 | return val % max_shards; | |
4812 | } | |
4813 | ||
4814 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& key, string& name, int *shard_id) | |
4815 | { | |
4816 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
4817 | char buf[16]; | |
4818 | if (shard_id) { | |
4819 | *shard_id = val % max_shards; | |
4820 | } | |
4821 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
4822 | name = prefix + buf; | |
4823 | } | |
4824 | ||
4825 | void RGWRados::shard_name(const string& prefix, unsigned max_shards, const string& section, const string& key, string& name) | |
4826 | { | |
4827 | uint32_t val = ceph_str_hash_linux(key.c_str(), key.size()); | |
4828 | val ^= ceph_str_hash_linux(section.c_str(), section.size()); | |
4829 | char buf[16]; | |
4830 | snprintf(buf, sizeof(buf), "%u", (unsigned)(val % max_shards)); | |
4831 | name = prefix + buf; | |
4832 | } | |
4833 | ||
4834 | void RGWRados::shard_name(const string& prefix, unsigned shard_id, string& name) | |
4835 | { | |
4836 | char buf[16]; | |
4837 | snprintf(buf, sizeof(buf), "%u", shard_id); | |
4838 | name = prefix + buf; | |
4839 | ||
4840 | } | |
4841 | ||
4842 | void RGWRados::time_log_prepare_entry(cls_log_entry& entry, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
4843 | { | |
4844 | cls_log_add_prepare_entry(entry, utime_t(ut), section, key, bl); | |
4845 | } | |
4846 | ||
4847 | int RGWRados::time_log_add_init(librados::IoCtx& io_ctx) | |
4848 | { | |
4849 | return rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx, true); | |
4850 | ||
4851 | } | |
4852 | ||
4853 | int RGWRados::time_log_add(const string& oid, const real_time& ut, const string& section, const string& key, bufferlist& bl) | |
4854 | { | |
4855 | librados::IoCtx io_ctx; | |
4856 | ||
4857 | int r = time_log_add_init(io_ctx); | |
4858 | if (r < 0) { | |
4859 | return r; | |
4860 | } | |
4861 | ||
4862 | ObjectWriteOperation op; | |
4863 | utime_t t(ut); | |
4864 | cls_log_add(op, t, section, key, bl); | |
4865 | ||
4866 | return io_ctx.operate(oid, &op); | |
4867 | } | |
4868 | ||
4869 | int RGWRados::time_log_add(const string& oid, list<cls_log_entry>& entries, | |
4870 | librados::AioCompletion *completion, bool monotonic_inc) | |
4871 | { | |
4872 | librados::IoCtx io_ctx; | |
4873 | ||
4874 | int r = time_log_add_init(io_ctx); | |
4875 | if (r < 0) { | |
4876 | return r; | |
4877 | } | |
4878 | ||
4879 | ObjectWriteOperation op; | |
4880 | cls_log_add(op, entries, monotonic_inc); | |
4881 | ||
4882 | if (!completion) { | |
4883 | r = io_ctx.operate(oid, &op); | |
4884 | } else { | |
4885 | r = io_ctx.aio_operate(oid, completion, &op); | |
4886 | } | |
4887 | return r; | |
4888 | } | |
4889 | ||
4890 | int RGWRados::time_log_list(const string& oid, const real_time& start_time, const real_time& end_time, | |
4891 | int max_entries, list<cls_log_entry>& entries, | |
4892 | const string& marker, | |
4893 | string *out_marker, | |
4894 | bool *truncated) | |
4895 | { | |
4896 | librados::IoCtx io_ctx; | |
4897 | ||
4898 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4899 | if (r < 0) | |
4900 | return r; | |
4901 | librados::ObjectReadOperation op; | |
4902 | ||
4903 | utime_t st(start_time); | |
4904 | utime_t et(end_time); | |
4905 | ||
4906 | cls_log_list(op, st, et, marker, max_entries, entries, | |
4907 | out_marker, truncated); | |
4908 | ||
4909 | bufferlist obl; | |
4910 | ||
4911 | int ret = io_ctx.operate(oid, &op, &obl); | |
4912 | if (ret < 0) | |
4913 | return ret; | |
4914 | ||
4915 | return 0; | |
4916 | } | |
4917 | ||
4918 | int RGWRados::time_log_info(const string& oid, cls_log_header *header) | |
4919 | { | |
4920 | librados::IoCtx io_ctx; | |
4921 | ||
4922 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4923 | if (r < 0) | |
4924 | return r; | |
4925 | librados::ObjectReadOperation op; | |
4926 | ||
4927 | cls_log_info(op, header); | |
4928 | ||
4929 | bufferlist obl; | |
4930 | ||
4931 | int ret = io_ctx.operate(oid, &op, &obl); | |
4932 | if (ret < 0) | |
4933 | return ret; | |
4934 | ||
4935 | return 0; | |
4936 | } | |
4937 | ||
4938 | int RGWRados::time_log_info_async(librados::IoCtx& io_ctx, const string& oid, cls_log_header *header, librados::AioCompletion *completion) | |
4939 | { | |
4940 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4941 | if (r < 0) | |
4942 | return r; | |
4943 | ||
4944 | librados::ObjectReadOperation op; | |
4945 | ||
4946 | cls_log_info(op, header); | |
4947 | ||
4948 | int ret = io_ctx.aio_operate(oid, completion, &op, NULL); | |
4949 | if (ret < 0) | |
4950 | return ret; | |
4951 | ||
4952 | return 0; | |
4953 | } | |
4954 | ||
4955 | int RGWRados::time_log_trim(const string& oid, const real_time& start_time, const real_time& end_time, | |
4956 | const string& from_marker, const string& to_marker, | |
4957 | librados::AioCompletion *completion) | |
4958 | { | |
4959 | librados::IoCtx io_ctx; | |
4960 | ||
4961 | int r = rgw_init_ioctx(get_rados_handle(), get_zone_params().log_pool, io_ctx); | |
4962 | if (r < 0) | |
4963 | return r; | |
4964 | ||
4965 | utime_t st(start_time); | |
4966 | utime_t et(end_time); | |
4967 | ||
4968 | ObjectWriteOperation op; | |
4969 | cls_log_trim(op, st, et, from_marker, to_marker); | |
4970 | ||
4971 | if (!completion) { | |
4972 | r = io_ctx.operate(oid, &op); | |
4973 | } else { | |
4974 | r = io_ctx.aio_operate(oid, completion, &op); | |
4975 | } | |
4976 | return r; | |
4977 | } | |
4978 | ||
4979 | string RGWRados::objexp_hint_get_shardname(int shard_num) | |
4980 | { | |
4981 | char buf[32]; | |
4982 | snprintf(buf, sizeof(buf), "%010u", (unsigned)shard_num); | |
4983 | ||
4984 | string objname("obj_delete_at_hint."); | |
4985 | return objname + buf; | |
4986 | } | |
4987 | ||
4988 | #define MAX_OBJEXP_SHARDS_PRIME 7877 | |
4989 | ||
4990 | int RGWRados::objexp_key_shard(const rgw_obj_index_key& key) | |
4991 | { | |
4992 | string obj_key = key.name + key.instance; | |
4993 | int num_shards = cct->_conf->rgw_objexp_hints_num_shards; | |
4994 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
4995 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
4996 | sid = sid2 % MAX_OBJEXP_SHARDS_PRIME % num_shards; | |
4997 | return sid % num_shards; | |
4998 | } | |
4999 | ||
5000 | static string objexp_hint_get_keyext(const string& tenant_name, | |
5001 | const string& bucket_name, | |
5002 | const string& bucket_id, | |
5003 | const rgw_obj_key& obj_key) | |
5004 | { | |
5005 | return tenant_name + (tenant_name.empty() ? "" : ":") + bucket_name + ":" + bucket_id + | |
5006 | ":" + obj_key.name + ":" + obj_key.instance; | |
5007 | } | |
5008 | ||
5009 | int RGWRados::objexp_hint_add(const ceph::real_time& delete_at, | |
5010 | const string& tenant_name, | |
5011 | const string& bucket_name, | |
5012 | const string& bucket_id, | |
5013 | const rgw_obj_index_key& obj_key) | |
5014 | { | |
5015 | const string keyext = objexp_hint_get_keyext(tenant_name, bucket_name, | |
5016 | bucket_id, obj_key); | |
5017 | objexp_hint_entry he = { | |
5018 | .tenant = tenant_name, | |
5019 | .bucket_name = bucket_name, | |
5020 | .bucket_id = bucket_id, | |
5021 | .obj_key = obj_key, | |
5022 | .exp_time = delete_at }; | |
5023 | bufferlist hebl; | |
5024 | ::encode(he, hebl); | |
5025 | ObjectWriteOperation op; | |
5026 | cls_timeindex_add(op, utime_t(delete_at), keyext, hebl); | |
5027 | ||
5028 | string shard_name = objexp_hint_get_shardname(objexp_key_shard(obj_key)); | |
5029 | return objexp_pool_ctx.operate(shard_name, &op); | |
5030 | } | |
5031 | ||
5032 | void RGWRados::objexp_get_shard(int shard_num, | |
5033 | string& shard) /* out */ | |
5034 | { | |
5035 | shard = objexp_hint_get_shardname(shard_num); | |
5036 | } | |
5037 | ||
5038 | int RGWRados::objexp_hint_list(const string& oid, | |
5039 | const ceph::real_time& start_time, | |
5040 | const ceph::real_time& end_time, | |
5041 | const int max_entries, | |
5042 | const string& marker, | |
5043 | list<cls_timeindex_entry>& entries, /* out */ | |
5044 | string *out_marker, /* out */ | |
5045 | bool *truncated) /* out */ | |
5046 | { | |
5047 | librados::ObjectReadOperation op; | |
5048 | cls_timeindex_list(op, utime_t(start_time), utime_t(end_time), marker, max_entries, entries, | |
5049 | out_marker, truncated); | |
5050 | ||
5051 | bufferlist obl; | |
5052 | int ret = objexp_pool_ctx.operate(oid, &op, &obl); | |
5053 | ||
5054 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5055 | return ret; | |
5056 | } | |
5057 | ||
5058 | if ((ret == -ENOENT) && truncated) { | |
5059 | *truncated = false; | |
5060 | } | |
5061 | ||
5062 | return 0; | |
5063 | } | |
5064 | ||
5065 | int RGWRados::objexp_hint_parse(cls_timeindex_entry &ti_entry, /* in */ | |
5066 | objexp_hint_entry& hint_entry) /* out */ | |
5067 | { | |
5068 | try { | |
5069 | bufferlist::iterator iter = ti_entry.value.begin(); | |
5070 | ::decode(hint_entry, iter); | |
5071 | } catch (buffer::error& err) { | |
5072 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5073 | } | |
5074 | ||
5075 | return 0; | |
5076 | } | |
5077 | ||
5078 | int RGWRados::objexp_hint_trim(const string& oid, | |
5079 | const ceph::real_time& start_time, | |
5080 | const ceph::real_time& end_time, | |
5081 | const string& from_marker, | |
5082 | const string& to_marker) | |
5083 | { | |
5084 | int ret = cls_timeindex_trim(objexp_pool_ctx, oid, utime_t(start_time), utime_t(end_time), | |
5085 | from_marker, to_marker); | |
5086 | if ((ret < 0 ) && (ret != -ENOENT)) { | |
5087 | return ret; | |
5088 | } | |
5089 | ||
5090 | return 0; | |
5091 | } | |
5092 | ||
5093 | int RGWRados::lock_exclusive(rgw_pool& pool, const string& oid, timespan& duration, | |
5094 | string& zone_id, string& owner_id) { | |
5095 | librados::IoCtx io_ctx; | |
5096 | ||
5097 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5098 | if (r < 0) { | |
5099 | return r; | |
5100 | } | |
5101 | uint64_t msec = std::chrono::duration_cast<std::chrono::milliseconds>(duration).count(); | |
5102 | utime_t ut(msec / 1000, msec % 1000); | |
5103 | ||
5104 | rados::cls::lock::Lock l(log_lock_name); | |
5105 | l.set_duration(ut); | |
5106 | l.set_cookie(owner_id); | |
5107 | l.set_tag(zone_id); | |
5108 | l.set_renew(true); | |
5109 | ||
5110 | return l.lock_exclusive(&io_ctx, oid); | |
5111 | } | |
5112 | ||
5113 | int RGWRados::unlock(rgw_pool& pool, const string& oid, string& zone_id, string& owner_id) { | |
5114 | librados::IoCtx io_ctx; | |
5115 | ||
5116 | int r = rgw_init_ioctx(get_rados_handle(), pool, io_ctx); | |
5117 | if (r < 0) { | |
5118 | return r; | |
5119 | } | |
5120 | ||
5121 | rados::cls::lock::Lock l(log_lock_name); | |
5122 | l.set_tag(zone_id); | |
5123 | l.set_cookie(owner_id); | |
5124 | ||
5125 | return l.unlock(&io_ctx, oid); | |
5126 | } | |
5127 | ||
5128 | int RGWRados::decode_policy(bufferlist& bl, ACLOwner *owner) | |
5129 | { | |
5130 | bufferlist::iterator i = bl.begin(); | |
5131 | RGWAccessControlPolicy policy(cct); | |
5132 | try { | |
5133 | policy.decode_owner(i); | |
5134 | } catch (buffer::error& err) { | |
5135 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5136 | return -EIO; | |
5137 | } | |
5138 | *owner = policy.get_owner(); | |
5139 | return 0; | |
5140 | } | |
5141 | ||
5142 | int rgw_policy_from_attrset(CephContext *cct, map<string, bufferlist>& attrset, RGWAccessControlPolicy *policy) | |
5143 | { | |
5144 | map<string, bufferlist>::iterator aiter = attrset.find(RGW_ATTR_ACL); | |
5145 | if (aiter == attrset.end()) | |
5146 | return -EIO; | |
5147 | ||
5148 | bufferlist& bl = aiter->second; | |
5149 | bufferlist::iterator iter = bl.begin(); | |
5150 | try { | |
5151 | policy->decode(iter); | |
5152 | } catch (buffer::error& err) { | |
5153 | ldout(cct, 0) << "ERROR: could not decode policy, caught buffer::error" << dendl; | |
5154 | return -EIO; | |
5155 | } | |
5156 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 15)) { | |
5157 | RGWAccessControlPolicy_S3 *s3policy = static_cast<RGWAccessControlPolicy_S3 *>(policy); | |
5158 | ldout(cct, 15) << __func__ << " Read AccessControlPolicy"; | |
5159 | s3policy->to_xml(*_dout); | |
5160 | *_dout << dendl; | |
5161 | } | |
5162 | return 0; | |
5163 | } | |
5164 | ||
5165 | ||
5166 | /** | |
5167 | * get listing of the objects in a bucket. | |
5168 | * | |
5169 | * max: maximum number of results to return | |
5170 | * bucket: bucket to list contents of | |
5171 | * prefix: only return results that match this prefix | |
5172 | * delim: do not include results that match this string. | |
5173 | * Any skipped results will have the matching portion of their name | |
5174 | * inserted in common_prefixes with a "true" mark. | |
5175 | * marker: if filled in, begin the listing with this object. | |
5176 | * end_marker: if filled in, end the listing with this object. | |
5177 | * result: the objects are put in here. | |
5178 | * common_prefixes: if delim is filled in, any matching prefixes are placed here. | |
5179 | * is_truncated: if number of objects in the bucket is bigger than max, then truncated. | |
5180 | */ | |
5181 | int RGWRados::Bucket::List::list_objects(int max, vector<rgw_bucket_dir_entry> *result, | |
5182 | map<string, bool> *common_prefixes, | |
5183 | bool *is_truncated) | |
5184 | { | |
5185 | RGWRados *store = target->get_store(); | |
5186 | CephContext *cct = store->ctx(); | |
5187 | int shard_id = target->get_shard_id(); | |
5188 | ||
5189 | int count = 0; | |
5190 | bool truncated = true; | |
5191 | int read_ahead = std::max(cct->_conf->rgw_list_bucket_min_readahead,max); | |
5192 | ||
5193 | result->clear(); | |
5194 | ||
5195 | rgw_obj_key marker_obj(params.marker.name, params.marker.instance, params.ns); | |
5196 | ||
5197 | rgw_obj_key end_marker_obj; | |
5198 | rgw_obj_index_key cur_end_marker; | |
5199 | if (!params.ns.empty()) { | |
5200 | end_marker_obj = rgw_obj_key(params.end_marker.name, params.end_marker.instance, params.ns); | |
5201 | end_marker_obj.ns = params.ns; | |
5202 | end_marker_obj.get_index_key(&cur_end_marker); | |
5203 | } | |
5204 | rgw_obj_index_key cur_marker; | |
5205 | marker_obj.get_index_key(&cur_marker); | |
5206 | ||
5207 | const bool cur_end_marker_valid = !params.end_marker.empty(); | |
5208 | ||
5209 | rgw_obj_key prefix_obj(params.prefix); | |
5210 | prefix_obj.ns = params.ns; | |
5211 | string cur_prefix = prefix_obj.get_index_key_name(); | |
5212 | ||
5213 | string bigger_than_delim; | |
5214 | ||
5215 | if (!params.delim.empty()) { | |
5216 | unsigned long val = decode_utf8((unsigned char *)params.delim.c_str(), params.delim.size()); | |
5217 | char buf[params.delim.size() + 16]; | |
5218 | int r = encode_utf8(val + 1, (unsigned char *)buf); | |
5219 | if (r < 0) { | |
5220 | ldout(cct,0) << "ERROR: encode_utf8() failed" << dendl; | |
5221 | return -EINVAL; | |
5222 | } | |
5223 | buf[r] = '\0'; | |
5224 | ||
5225 | bigger_than_delim = buf; | |
5226 | ||
5227 | /* if marker points at a common prefix, fast forward it into its upperbound string */ | |
5228 | int delim_pos = cur_marker.name.find(params.delim, params.prefix.size()); | |
5229 | if (delim_pos >= 0) { | |
5230 | string s = cur_marker.name.substr(0, delim_pos); | |
5231 | s.append(bigger_than_delim); | |
5232 | cur_marker = s; | |
5233 | } | |
5234 | } | |
5235 | ||
5236 | string skip_after_delim; | |
5237 | while (truncated && count <= max) { | |
5238 | if (skip_after_delim > cur_marker.name) { | |
5239 | cur_marker = skip_after_delim; | |
5240 | ldout(cct, 20) << "setting cur_marker=" << cur_marker.name << "[" << cur_marker.instance << "]" << dendl; | |
5241 | } | |
5242 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
5243 | int r = store->cls_bucket_list(target->get_bucket_info(), shard_id, cur_marker, cur_prefix, | |
5244 | read_ahead + 1 - count, params.list_versions, ent_map, | |
5245 | &truncated, &cur_marker); | |
5246 | if (r < 0) | |
5247 | return r; | |
5248 | ||
5249 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
5250 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
5251 | rgw_bucket_dir_entry& entry = eiter->second; | |
5252 | rgw_obj_index_key index_key = entry.key; | |
5253 | ||
5254 | rgw_obj_key obj(index_key); | |
5255 | ||
5256 | /* note that parse_raw_oid() here will not set the correct object's instance, as | |
5257 | * rgw_obj_index_key encodes that separately. We don't need to set the instance because it's | |
5258 | * not needed for the checks here and we end up using the raw entry for the return vector | |
5259 | */ | |
5260 | bool valid = rgw_obj_key::parse_raw_oid(index_key.name, &obj); | |
5261 | if (!valid) { | |
5262 | ldout(cct, 0) << "ERROR: could not parse object name: " << obj.name << dendl; | |
5263 | continue; | |
5264 | } | |
5265 | bool check_ns = (obj.ns == params.ns); | |
5266 | if (!params.list_versions && !entry.is_visible()) { | |
5267 | continue; | |
5268 | } | |
5269 | ||
5270 | if (params.enforce_ns && !check_ns) { | |
5271 | if (!params.ns.empty()) { | |
5272 | /* we've iterated past the namespace we're searching -- done now */ | |
5273 | truncated = false; | |
5274 | goto done; | |
5275 | } | |
5276 | ||
5277 | /* we're not looking at the namespace this object is in, next! */ | |
5278 | continue; | |
5279 | } | |
5280 | ||
5281 | if (cur_end_marker_valid && cur_end_marker <= index_key) { | |
5282 | truncated = false; | |
5283 | goto done; | |
5284 | } | |
5285 | ||
5286 | if (count < max) { | |
5287 | params.marker = index_key; | |
5288 | next_marker = index_key; | |
5289 | } | |
5290 | ||
5291 | if (params.filter && !params.filter->filter(obj.name, index_key.name)) | |
5292 | continue; | |
5293 | ||
5294 | if (params.prefix.size() && (obj.name.compare(0, params.prefix.size(), params.prefix) != 0)) | |
5295 | continue; | |
5296 | ||
5297 | if (!params.delim.empty()) { | |
5298 | int delim_pos = obj.name.find(params.delim, params.prefix.size()); | |
5299 | ||
5300 | if (delim_pos >= 0) { | |
5301 | string prefix_key = obj.name.substr(0, delim_pos + 1); | |
5302 | ||
5303 | if (common_prefixes && | |
5304 | common_prefixes->find(prefix_key) == common_prefixes->end()) { | |
5305 | if (count >= max) { | |
5306 | truncated = true; | |
5307 | goto done; | |
5308 | } | |
5309 | next_marker = prefix_key; | |
5310 | (*common_prefixes)[prefix_key] = true; | |
5311 | ||
5312 | skip_after_delim = obj.name.substr(0, delim_pos); | |
5313 | skip_after_delim.append(bigger_than_delim); | |
5314 | ||
5315 | ldout(cct, 20) << "skip_after_delim=" << skip_after_delim << dendl; | |
5316 | ||
5317 | count++; | |
5318 | } | |
5319 | ||
5320 | continue; | |
5321 | } | |
5322 | } | |
5323 | ||
5324 | if (count >= max) { | |
5325 | truncated = true; | |
5326 | goto done; | |
5327 | } | |
5328 | ||
5329 | result->emplace_back(std::move(entry)); | |
5330 | count++; | |
5331 | } | |
5332 | ||
5333 | // Either the back-end telling us truncated, or we don't consume all | |
5334 | // items returned per the amount caller request | |
5335 | truncated = (truncated || eiter != ent_map.end()); | |
5336 | } | |
5337 | ||
5338 | done: | |
5339 | if (is_truncated) | |
5340 | *is_truncated = truncated; | |
5341 | ||
5342 | return 0; | |
5343 | } | |
5344 | ||
5345 | /** | |
5346 | * create a rados pool, associated meta info | |
5347 | * returns 0 on success, -ERR# otherwise. | |
5348 | */ | |
5349 | int RGWRados::create_pool(const rgw_pool& pool) | |
5350 | { | |
5351 | int ret = 0; | |
5352 | ||
5353 | librados::Rados *rad = get_rados_handle(); | |
5354 | ret = rad->pool_create(pool.name.c_str(), 0); | |
5355 | if (ret == -EEXIST) | |
5356 | ret = 0; | |
5357 | else if (ret == -ERANGE) { | |
5358 | ldout(cct, 0) | |
5359 | << __func__ | |
5360 | << " ERROR: librados::Rados::pool_create returned " << cpp_strerror(-ret) | |
5361 | << " (this can be due to a pool or placement group misconfiguration, e.g., pg_num < pgp_num)" | |
5362 | << dendl; | |
5363 | } | |
5364 | if (ret < 0) | |
5365 | return ret; | |
5366 | ||
5367 | return 0; | |
5368 | } | |
5369 | ||
5370 | int RGWRados::init_bucket_index(RGWBucketInfo& bucket_info, int num_shards) | |
5371 | { | |
5372 | librados::IoCtx index_ctx; // context for new bucket | |
5373 | ||
5374 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
5375 | if (r < 0) | |
5376 | return r; | |
5377 | ||
5378 | string dir_oid = dir_oid_prefix; | |
5379 | dir_oid.append(bucket_info.bucket.bucket_id); | |
5380 | ||
5381 | map<int, string> bucket_objs; | |
5382 | get_bucket_index_objects(dir_oid, num_shards, bucket_objs); | |
5383 | ||
5384 | return CLSRGWIssueBucketIndexInit(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
5385 | } | |
5386 | ||
5387 | void RGWRados::create_bucket_id(string *bucket_id) | |
5388 | { | |
5389 | uint64_t iid = instance_id(); | |
5390 | uint64_t bid = next_bucket_id(); | |
5391 | char buf[get_zone_params().get_id().size() + 48]; | |
5392 | snprintf(buf, sizeof(buf), "%s.%llu.%llu", get_zone_params().get_id().c_str(), (long long)iid, (long long)bid); | |
5393 | *bucket_id = buf; | |
5394 | } | |
5395 | ||
5396 | /** | |
5397 | * create a bucket with name bucket and the given list of attrs | |
5398 | * returns 0 on success, -ERR# otherwise. | |
5399 | */ | |
5400 | int RGWRados::create_bucket(RGWUserInfo& owner, rgw_bucket& bucket, | |
5401 | const string& zonegroup_id, | |
5402 | const string& placement_rule, | |
5403 | const string& swift_ver_location, | |
5404 | const RGWQuotaInfo * pquota_info, | |
5405 | map<std::string, bufferlist>& attrs, | |
5406 | RGWBucketInfo& info, | |
5407 | obj_version *pobjv, | |
5408 | obj_version *pep_objv, | |
5409 | real_time creation_time, | |
5410 | rgw_bucket *pmaster_bucket, | |
5411 | uint32_t *pmaster_num_shards, | |
5412 | bool exclusive) | |
5413 | { | |
5414 | #define MAX_CREATE_RETRIES 20 /* need to bound retries */ | |
5415 | string selected_placement_rule_name; | |
5416 | RGWZonePlacementInfo rule_info; | |
5417 | ||
5418 | for (int i = 0; i < MAX_CREATE_RETRIES; i++) { | |
5419 | int ret = 0; | |
5420 | ret = select_bucket_placement(owner, zonegroup_id, placement_rule, | |
5421 | &selected_placement_rule_name, &rule_info); | |
5422 | if (ret < 0) | |
5423 | return ret; | |
5424 | ||
5425 | if (!pmaster_bucket) { | |
5426 | create_bucket_id(&bucket.marker); | |
5427 | bucket.bucket_id = bucket.marker; | |
5428 | } else { | |
5429 | bucket.marker = pmaster_bucket->marker; | |
5430 | bucket.bucket_id = pmaster_bucket->bucket_id; | |
5431 | } | |
5432 | ||
5433 | RGWObjVersionTracker& objv_tracker = info.objv_tracker; | |
5434 | ||
5435 | if (pobjv) { | |
5436 | objv_tracker.write_version = *pobjv; | |
5437 | } else { | |
5438 | objv_tracker.generate_new_write_ver(cct); | |
5439 | } | |
5440 | ||
5441 | info.bucket = bucket; | |
5442 | info.owner = owner.user_id; | |
5443 | info.zonegroup = zonegroup_id; | |
5444 | info.placement_rule = selected_placement_rule_name; | |
5445 | info.index_type = rule_info.index_type; | |
5446 | info.swift_ver_location = swift_ver_location; | |
5447 | info.swift_versioning = (!swift_ver_location.empty()); | |
5448 | if (pmaster_num_shards) { | |
5449 | info.num_shards = *pmaster_num_shards; | |
5450 | } else { | |
5451 | info.num_shards = bucket_index_max_shards; | |
5452 | } | |
5453 | info.bucket_index_shard_hash_type = RGWBucketInfo::MOD; | |
5454 | info.requester_pays = false; | |
5455 | if (real_clock::is_zero(creation_time)) { | |
5456 | info.creation_time = ceph::real_clock::now(); | |
5457 | } else { | |
5458 | info.creation_time = creation_time; | |
5459 | } | |
5460 | if (pquota_info) { | |
5461 | info.quota = *pquota_info; | |
5462 | } | |
5463 | ||
5464 | int r = init_bucket_index(info, info.num_shards); | |
5465 | if (r < 0) { | |
5466 | return r; | |
5467 | } | |
5468 | ||
5469 | ret = put_linked_bucket_info(info, exclusive, ceph::real_time(), pep_objv, &attrs, true); | |
5470 | if (ret == -EEXIST) { | |
5471 | librados::IoCtx index_ctx; | |
5472 | map<int, string> bucket_objs; | |
5473 | int r = open_bucket_index(info, index_ctx, bucket_objs); | |
5474 | if (r < 0) | |
5475 | return r; | |
5476 | ||
5477 | /* we need to reread the info and return it, caller will have a use for it */ | |
5478 | RGWObjVersionTracker instance_ver = info.objv_tracker; | |
5479 | info.objv_tracker.clear(); | |
5480 | RGWObjectCtx obj_ctx(this); | |
5481 | r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, NULL); | |
5482 | if (r < 0) { | |
5483 | if (r == -ENOENT) { | |
5484 | continue; | |
5485 | } | |
5486 | ldout(cct, 0) << "get_bucket_info returned " << r << dendl; | |
5487 | return r; | |
5488 | } | |
5489 | ||
5490 | /* only remove it if it's a different bucket instance */ | |
5491 | if (info.bucket.bucket_id != bucket.bucket_id) { | |
5492 | /* remove bucket meta instance */ | |
5493 | string entry = bucket.get_key(); | |
5494 | r = rgw_bucket_instance_remove_entry(this, entry, &instance_ver); | |
5495 | if (r < 0) | |
5496 | return r; | |
5497 | ||
5498 | map<int, string>::const_iterator biter; | |
5499 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
5500 | // Do best effort removal | |
5501 | index_ctx.remove(biter->second); | |
5502 | } | |
5503 | } | |
5504 | /* ret == -ENOENT here */ | |
5505 | } | |
5506 | return ret; | |
5507 | } | |
5508 | ||
5509 | /* this is highly unlikely */ | |
5510 | ldout(cct, 0) << "ERROR: could not create bucket, continuously raced with bucket creation and removal" << dendl; | |
5511 | return -ENOENT; | |
5512 | } | |
5513 | ||
5514 | int RGWRados::select_new_bucket_location(RGWUserInfo& user_info, const string& zonegroup_id, const string& request_rule, | |
5515 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5516 | ||
5517 | { | |
5518 | /* first check that rule exists within the specific zonegroup */ | |
5519 | RGWZoneGroup zonegroup; | |
5520 | int ret = get_zonegroup(zonegroup_id, zonegroup); | |
5521 | if (ret < 0) { | |
5522 | ldout(cct, 0) << "could not find zonegroup " << zonegroup_id << " in current period" << dendl; | |
5523 | return ret; | |
5524 | } | |
5525 | ||
5526 | /* now check that tag exists within zonegroup */ | |
5527 | /* find placement rule. Hierarchy: request rule > user default rule > zonegroup default rule */ | |
5528 | string rule = request_rule; | |
5529 | if (rule.empty()) { | |
5530 | rule = user_info.default_placement; | |
5531 | if (rule.empty()) | |
5532 | rule = zonegroup.default_placement; | |
5533 | } | |
5534 | ||
5535 | if (rule.empty()) { | |
5536 | ldout(cct, 0) << "misconfiguration, should not have an empty placement rule name" << dendl; | |
5537 | return -EIO; | |
5538 | } | |
5539 | ||
5540 | map<string, RGWZoneGroupPlacementTarget>::iterator titer = zonegroup.placement_targets.find(rule); | |
5541 | if (titer == zonegroup.placement_targets.end()) { | |
5542 | ldout(cct, 0) << "could not find placement rule " << rule << " within zonegroup " << dendl; | |
5543 | return -EINVAL; | |
5544 | } | |
5545 | ||
5546 | /* now check tag for the rule, whether user is permitted to use rule */ | |
5547 | RGWZoneGroupPlacementTarget& target_rule = titer->second; | |
5548 | if (!target_rule.user_permitted(user_info.placement_tags)) { | |
5549 | ldout(cct, 0) << "user not permitted to use placement rule" << dendl; | |
5550 | return -EPERM; | |
5551 | } | |
5552 | ||
5553 | if (pselected_rule_name) | |
5554 | *pselected_rule_name = rule; | |
5555 | ||
5556 | return select_bucket_location_by_rule(rule, rule_info); | |
5557 | } | |
5558 | ||
5559 | int RGWRados::select_bucket_location_by_rule(const string& location_rule, RGWZonePlacementInfo *rule_info) | |
5560 | { | |
5561 | if (location_rule.empty()) { | |
5562 | /* we can only reach here if we're trying to set a bucket location from a bucket | |
5563 | * created on a different zone, using a legacy / default pool configuration | |
5564 | */ | |
5565 | return select_legacy_bucket_placement(rule_info); | |
5566 | } | |
5567 | ||
5568 | /* | |
5569 | * make sure that zone has this rule configured. We're | |
5570 | * checking it for the local zone, because that's where this bucket object is going to | |
5571 | * reside. | |
5572 | */ | |
5573 | map<string, RGWZonePlacementInfo>::iterator piter = get_zone_params().placement_pools.find(location_rule); | |
5574 | if (piter == get_zone_params().placement_pools.end()) { | |
5575 | /* couldn't find, means we cannot really place data for this bucket in this zone */ | |
5576 | if (get_zonegroup().equals(zonegroup_id)) { | |
5577 | /* that's a configuration error, zone should have that rule, as we're within the requested | |
5578 | * zonegroup */ | |
5579 | return -EINVAL; | |
5580 | } else { | |
5581 | /* oh, well, data is not going to be placed here, bucket object is just a placeholder */ | |
5582 | return 0; | |
5583 | } | |
5584 | } | |
5585 | ||
5586 | RGWZonePlacementInfo& placement_info = piter->second; | |
5587 | ||
5588 | if (rule_info) { | |
5589 | *rule_info = placement_info; | |
5590 | } | |
5591 | ||
5592 | return 0; | |
5593 | } | |
5594 | ||
5595 | int RGWRados::select_bucket_placement(RGWUserInfo& user_info, const string& zonegroup_id, const string& placement_rule, | |
5596 | string *pselected_rule_name, RGWZonePlacementInfo *rule_info) | |
5597 | { | |
5598 | if (!get_zone_params().placement_pools.empty()) { | |
5599 | return select_new_bucket_location(user_info, zonegroup_id, placement_rule, | |
5600 | pselected_rule_name, rule_info); | |
5601 | } | |
5602 | ||
5603 | if (pselected_rule_name) { | |
5604 | pselected_rule_name->clear(); | |
5605 | } | |
5606 | ||
5607 | return select_legacy_bucket_placement(rule_info); | |
5608 | } | |
5609 | ||
5610 | int RGWRados::select_legacy_bucket_placement(RGWZonePlacementInfo *rule_info) | |
5611 | { | |
5612 | bufferlist map_bl; | |
5613 | map<string, bufferlist> m; | |
5614 | string pool_name; | |
5615 | bool write_map = false; | |
5616 | ||
5617 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5618 | ||
5619 | RGWObjectCtx obj_ctx(this); | |
5620 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, avail_pools, map_bl, NULL, NULL); | |
5621 | if (ret < 0) { | |
5622 | goto read_omap; | |
5623 | } | |
5624 | ||
5625 | try { | |
5626 | bufferlist::iterator iter = map_bl.begin(); | |
5627 | ::decode(m, iter); | |
5628 | } catch (buffer::error& err) { | |
5629 | ldout(cct, 0) << "ERROR: couldn't decode avail_pools" << dendl; | |
5630 | } | |
5631 | ||
5632 | read_omap: | |
5633 | if (m.empty()) { | |
5634 | bufferlist header; | |
5635 | ret = omap_get_all(obj, header, m); | |
5636 | ||
5637 | write_map = true; | |
5638 | } | |
5639 | ||
5640 | if (ret < 0 || m.empty()) { | |
5641 | vector<rgw_pool> pools; | |
5642 | string s = string("default.") + default_storage_pool_suffix; | |
5643 | pools.push_back(rgw_pool(s)); | |
5644 | vector<int> retcodes; | |
5645 | bufferlist bl; | |
5646 | ret = create_pools(pools, retcodes); | |
5647 | if (ret < 0) | |
5648 | return ret; | |
5649 | ret = omap_set(obj, s, bl); | |
5650 | if (ret < 0) | |
5651 | return ret; | |
5652 | m[s] = bl; | |
5653 | } | |
5654 | ||
5655 | if (write_map) { | |
5656 | bufferlist new_bl; | |
5657 | ::encode(m, new_bl); | |
5658 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
5659 | if (ret < 0) { | |
5660 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
5661 | } | |
5662 | } | |
5663 | ||
5664 | map<string, bufferlist>::iterator miter; | |
5665 | if (m.size() > 1) { | |
5666 | vector<string> v; | |
5667 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
5668 | v.push_back(miter->first); | |
5669 | } | |
5670 | ||
5671 | uint32_t r; | |
5672 | ret = get_random_bytes((char *)&r, sizeof(r)); | |
5673 | if (ret < 0) | |
5674 | return ret; | |
5675 | ||
5676 | int i = r % v.size(); | |
5677 | pool_name = v[i]; | |
5678 | } else { | |
5679 | miter = m.begin(); | |
5680 | pool_name = miter->first; | |
5681 | } | |
5682 | ||
5683 | rule_info->data_pool = pool_name; | |
5684 | rule_info->data_extra_pool = pool_name; | |
5685 | rule_info->index_pool = pool_name; | |
5686 | rule_info->index_type = RGWBIType_Normal; | |
5687 | ||
5688 | return 0; | |
5689 | } | |
5690 | ||
5691 | bool RGWRados::get_obj_data_pool(const string& placement_rule, const rgw_obj& obj, rgw_pool *pool) | |
5692 | { | |
5693 | return rgw_get_obj_data_pool(zonegroup, zone_params, placement_rule, obj, pool); | |
5694 | } | |
5695 | ||
5696 | bool RGWRados::obj_to_raw(const string& placement_rule, const rgw_obj& obj, rgw_raw_obj *raw_obj) | |
5697 | { | |
5698 | get_obj_bucket_and_oid_loc(obj, raw_obj->oid, raw_obj->loc); | |
5699 | ||
5700 | return get_obj_data_pool(placement_rule, obj, &raw_obj->pool); | |
5701 | } | |
5702 | ||
5703 | int RGWRados::update_placement_map() | |
5704 | { | |
5705 | bufferlist header; | |
5706 | map<string, bufferlist> m; | |
5707 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5708 | int ret = omap_get_all(obj, header, m); | |
5709 | if (ret < 0) | |
5710 | return ret; | |
5711 | ||
5712 | bufferlist new_bl; | |
5713 | ::encode(m, new_bl); | |
5714 | ret = put_system_obj_data(NULL, obj, new_bl, -1, false); | |
5715 | if (ret < 0) { | |
5716 | ldout(cct, 0) << "WARNING: could not save avail pools map info ret=" << ret << dendl; | |
5717 | } | |
5718 | ||
5719 | return ret; | |
5720 | } | |
5721 | ||
5722 | int RGWRados::add_bucket_placement(const rgw_pool& new_pool) | |
5723 | { | |
5724 | librados::Rados *rad = get_rados_handle(); | |
5725 | int ret = rad->pool_lookup(new_pool.name.c_str()); | |
5726 | if (ret < 0) // DNE, or something | |
5727 | return ret; | |
5728 | ||
5729 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5730 | bufferlist empty_bl; | |
5731 | ret = omap_set(obj, new_pool.to_str(), empty_bl); | |
5732 | ||
5733 | // don't care about return value | |
5734 | update_placement_map(); | |
5735 | ||
5736 | return ret; | |
5737 | } | |
5738 | ||
5739 | int RGWRados::remove_bucket_placement(const rgw_pool& old_pool) | |
5740 | { | |
5741 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5742 | int ret = omap_del(obj, old_pool.to_str()); | |
5743 | ||
5744 | // don't care about return value | |
5745 | update_placement_map(); | |
5746 | ||
5747 | return ret; | |
5748 | } | |
5749 | ||
5750 | int RGWRados::list_placement_set(set<rgw_pool>& names) | |
5751 | { | |
5752 | bufferlist header; | |
5753 | map<string, bufferlist> m; | |
5754 | ||
5755 | rgw_raw_obj obj(get_zone_params().domain_root, avail_pools); | |
5756 | int ret = omap_get_all(obj, header, m); | |
5757 | if (ret < 0) | |
5758 | return ret; | |
5759 | ||
5760 | names.clear(); | |
5761 | map<string, bufferlist>::iterator miter; | |
5762 | for (miter = m.begin(); miter != m.end(); ++miter) { | |
5763 | names.insert(rgw_pool(miter->first)); | |
5764 | } | |
5765 | ||
5766 | return names.size(); | |
5767 | } | |
5768 | ||
5769 | int RGWRados::create_pools(vector<rgw_pool>& pools, vector<int>& retcodes) | |
5770 | { | |
5771 | vector<librados::PoolAsyncCompletion *> completions; | |
5772 | vector<int> rets; | |
5773 | ||
5774 | librados::Rados *rad = get_rados_handle(); | |
5775 | for (auto iter = pools.begin(); iter != pools.end(); ++iter) { | |
5776 | librados::PoolAsyncCompletion *c = librados::Rados::pool_async_create_completion(); | |
5777 | completions.push_back(c); | |
5778 | rgw_pool& pool = *iter; | |
5779 | int ret = rad->pool_create_async(pool.name.c_str(), c); | |
5780 | rets.push_back(ret); | |
5781 | } | |
5782 | ||
5783 | vector<int>::iterator riter; | |
5784 | vector<librados::PoolAsyncCompletion *>::iterator citer; | |
5785 | ||
5786 | assert(rets.size() == completions.size()); | |
5787 | for (riter = rets.begin(), citer = completions.begin(); riter != rets.end(); ++riter, ++citer) { | |
5788 | int r = *riter; | |
5789 | PoolAsyncCompletion *c = *citer; | |
5790 | if (r == 0) { | |
5791 | c->wait(); | |
5792 | r = c->get_return_value(); | |
5793 | if (r < 0) { | |
5794 | ldout(cct, 0) << "WARNING: async pool_create returned " << r << dendl; | |
5795 | } | |
5796 | } | |
5797 | c->release(); | |
5798 | retcodes.push_back(r); | |
5799 | } | |
5800 | return 0; | |
5801 | } | |
5802 | ||
5803 | int RGWRados::get_obj_head_ioctx(const RGWBucketInfo& bucket_info, const rgw_obj& obj, librados::IoCtx *ioctx) | |
5804 | { | |
5805 | string oid, key; | |
5806 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
5807 | ||
5808 | rgw_pool pool; | |
5809 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
5810 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
5811 | return -EIO; | |
5812 | } | |
5813 | ||
5814 | int r = open_pool_ctx(pool, *ioctx); | |
5815 | if (r < 0) { | |
5816 | return r; | |
5817 | } | |
5818 | ||
5819 | ioctx->locator_set_key(key); | |
5820 | ||
5821 | return 0; | |
5822 | } | |
5823 | ||
5824 | int RGWRados::get_obj_head_ref(const RGWBucketInfo& bucket_info, const rgw_obj& obj, rgw_rados_ref *ref) | |
5825 | { | |
5826 | get_obj_bucket_and_oid_loc(obj, ref->oid, ref->key); | |
5827 | ||
5828 | rgw_pool pool; | |
5829 | if (!get_obj_data_pool(bucket_info.placement_rule, obj, &pool)) { | |
5830 | ldout(cct, 0) << "ERROR: cannot get data pool for obj=" << obj << ", probably misconfiguration" << dendl; | |
5831 | return -EIO; | |
5832 | } | |
5833 | ||
5834 | int r = open_pool_ctx(pool, ref->ioctx); | |
5835 | if (r < 0) { | |
5836 | return r; | |
5837 | } | |
5838 | ||
5839 | ref->ioctx.locator_set_key(ref->key); | |
5840 | ||
5841 | return 0; | |
5842 | } | |
5843 | ||
5844 | int RGWRados::get_raw_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref, rgw_pool *pool) | |
5845 | { | |
5846 | ref->oid = obj.oid; | |
5847 | ref->key = obj.loc; | |
5848 | ||
5849 | int r; | |
5850 | ||
5851 | if (ref->oid.empty()) { | |
5852 | ref->oid = obj.pool.to_str(); | |
5853 | ref->pool = get_zone_params().domain_root; | |
5854 | } else { | |
5855 | ref->pool = obj.pool; | |
5856 | } | |
5857 | if (pool) { | |
5858 | *pool = ref->pool; | |
5859 | } | |
5860 | r = open_pool_ctx(ref->pool, ref->ioctx); | |
5861 | if (r < 0) | |
5862 | return r; | |
5863 | ||
5864 | ref->ioctx.locator_set_key(ref->key); | |
5865 | ||
5866 | return 0; | |
5867 | } | |
5868 | ||
5869 | int RGWRados::get_system_obj_ref(const rgw_raw_obj& obj, rgw_rados_ref *ref, rgw_pool *pool) | |
5870 | { | |
5871 | return get_raw_obj_ref(obj, ref, pool); | |
5872 | } | |
5873 | ||
5874 | /* | |
5875 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
5876 | * up without one | |
5877 | */ | |
5878 | int RGWRados::fix_head_obj_locator(const RGWBucketInfo& bucket_info, bool copy_obj, bool remove_bad, rgw_obj_key& key) | |
5879 | { | |
5880 | const rgw_bucket& bucket = bucket_info.bucket; | |
5881 | string oid; | |
5882 | string locator; | |
5883 | ||
5884 | rgw_obj obj(bucket, key); | |
5885 | ||
5886 | get_obj_bucket_and_oid_loc(obj, oid, locator); | |
5887 | ||
5888 | if (locator.empty()) { | |
5889 | ldout(cct, 20) << "object does not have a locator, nothing to fix" << dendl; | |
5890 | return 0; | |
5891 | } | |
5892 | ||
5893 | librados::IoCtx ioctx; | |
5894 | ||
5895 | int ret = get_obj_head_ioctx(bucket_info, obj, &ioctx); | |
5896 | if (ret < 0) { | |
5897 | cerr << "ERROR: get_obj_head_ioctx() returned ret=" << ret << std::endl; | |
5898 | return ret; | |
5899 | } | |
5900 | ioctx.locator_set_key(string()); /* override locator for this object, use empty locator */ | |
5901 | ||
5902 | uint64_t size; | |
5903 | bufferlist data; | |
5904 | ||
5905 | struct timespec mtime_ts; | |
5906 | map<string, bufferlist> attrs; | |
5907 | librados::ObjectReadOperation op; | |
5908 | op.getxattrs(&attrs, NULL); | |
5909 | op.stat2(&size, &mtime_ts, NULL); | |
5910 | #define HEAD_SIZE 512 * 1024 | |
5911 | op.read(0, HEAD_SIZE, &data, NULL); | |
5912 | ||
5913 | ret = ioctx.operate(oid, &op, NULL); | |
5914 | if (ret < 0) { | |
5915 | lderr(cct) << "ERROR: ioctx.operate(oid=" << oid << ") returned ret=" << ret << dendl; | |
5916 | return ret; | |
5917 | } | |
5918 | ||
5919 | if (size > HEAD_SIZE) { | |
5920 | lderr(cct) << "ERROR: returned object size (" << size << ") > HEAD_SIZE (" << HEAD_SIZE << ")" << dendl; | |
5921 | return -EIO; | |
5922 | } | |
5923 | ||
5924 | if (size != data.length()) { | |
5925 | lderr(cct) << "ERROR: returned object size (" << size << ") != data.length() (" << data.length() << ")" << dendl; | |
5926 | return -EIO; | |
5927 | } | |
5928 | ||
5929 | if (copy_obj) { | |
5930 | librados::ObjectWriteOperation wop; | |
5931 | ||
5932 | wop.mtime2(&mtime_ts); | |
5933 | ||
5934 | map<string, bufferlist>::iterator iter; | |
5935 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
5936 | wop.setxattr(iter->first.c_str(), iter->second); | |
5937 | } | |
5938 | ||
5939 | wop.write(0, data); | |
5940 | ||
5941 | ioctx.locator_set_key(locator); | |
5942 | ioctx.operate(oid, &wop); | |
5943 | } | |
5944 | ||
5945 | if (remove_bad) { | |
5946 | ioctx.locator_set_key(string()); | |
5947 | ||
5948 | ret = ioctx.remove(oid); | |
5949 | if (ret < 0) { | |
5950 | lderr(cct) << "ERROR: failed to remove original bad object" << dendl; | |
5951 | return ret; | |
5952 | } | |
5953 | } | |
5954 | ||
5955 | return 0; | |
5956 | } | |
5957 | ||
5958 | int RGWRados::move_rados_obj(librados::IoCtx& src_ioctx, | |
5959 | const string& src_oid, const string& src_locator, | |
5960 | librados::IoCtx& dst_ioctx, | |
5961 | const string& dst_oid, const string& dst_locator) | |
5962 | { | |
5963 | ||
5964 | #define COPY_BUF_SIZE (4 * 1024 * 1024) | |
5965 | bool done = false; | |
5966 | uint64_t chunk_size = COPY_BUF_SIZE; | |
5967 | uint64_t ofs = 0; | |
5968 | int ret = 0; | |
5969 | real_time mtime; | |
5970 | struct timespec mtime_ts; | |
5971 | uint64_t size; | |
5972 | ||
5973 | if (src_oid == dst_oid && src_locator == dst_locator) { | |
5974 | return 0; | |
5975 | } | |
5976 | ||
5977 | src_ioctx.locator_set_key(src_locator); | |
5978 | dst_ioctx.locator_set_key(dst_locator); | |
5979 | ||
5980 | do { | |
5981 | bufferlist data; | |
5982 | ObjectReadOperation rop; | |
5983 | ObjectWriteOperation wop; | |
5984 | ||
5985 | if (ofs == 0) { | |
5986 | rop.stat2(&size, &mtime_ts, NULL); | |
5987 | mtime = real_clock::from_timespec(mtime_ts); | |
5988 | } | |
5989 | rop.read(ofs, chunk_size, &data, NULL); | |
5990 | ret = src_ioctx.operate(src_oid, &rop, NULL); | |
5991 | if (ret < 0) { | |
5992 | goto done_err; | |
5993 | } | |
5994 | ||
5995 | if (data.length() == 0) { | |
5996 | break; | |
5997 | } | |
5998 | ||
5999 | if (ofs == 0) { | |
6000 | wop.create(true); /* make it exclusive */ | |
6001 | wop.mtime2(&mtime_ts); | |
6002 | mtime = real_clock::from_timespec(mtime_ts); | |
6003 | } | |
6004 | wop.write(ofs, data); | |
6005 | ret = dst_ioctx.operate(dst_oid, &wop); | |
6006 | ofs += data.length(); | |
6007 | done = data.length() != chunk_size; | |
6008 | } while (!done); | |
6009 | ||
6010 | if (ofs != size) { | |
6011 | lderr(cct) << "ERROR: " << __func__ << ": copying " << src_oid << " -> " << dst_oid | |
6012 | << ": expected " << size << " bytes to copy, ended up with " << ofs << dendl; | |
6013 | ret = -EIO; | |
6014 | goto done_err; | |
6015 | } | |
6016 | ||
6017 | src_ioctx.remove(src_oid); | |
6018 | ||
6019 | return 0; | |
6020 | ||
6021 | done_err: | |
6022 | lderr(cct) << "ERROR: failed to copy " << src_oid << " -> " << dst_oid << dendl; | |
6023 | return ret; | |
6024 | } | |
6025 | ||
6026 | /* | |
6027 | * fixes an issue where head objects were supposed to have a locator created, but ended | |
6028 | * up without one | |
6029 | */ | |
6030 | int RGWRados::fix_tail_obj_locator(const RGWBucketInfo& bucket_info, rgw_obj_key& key, bool fix, bool *need_fix) | |
6031 | { | |
6032 | const rgw_bucket& bucket = bucket_info.bucket; | |
6033 | rgw_obj obj(bucket, key); | |
6034 | ||
6035 | if (need_fix) { | |
6036 | *need_fix = false; | |
6037 | } | |
6038 | ||
6039 | rgw_rados_ref ref; | |
6040 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
6041 | if (r < 0) { | |
6042 | return r; | |
6043 | } | |
6044 | ||
6045 | RGWObjState *astate = NULL; | |
6046 | RGWObjectCtx rctx(this); | |
6047 | r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
6048 | if (r < 0) | |
6049 | return r; | |
6050 | ||
6051 | if (astate->has_manifest) { | |
6052 | RGWObjManifest::obj_iterator miter; | |
6053 | RGWObjManifest& manifest = astate->manifest; | |
6054 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
6055 | rgw_raw_obj raw_loc = miter.get_location().get_raw_obj(this); | |
6056 | rgw_obj loc; | |
6057 | string oid; | |
6058 | string locator; | |
6059 | ||
6060 | rgw_raw_obj_to_obj(manifest.get_tail_placement().bucket, raw_loc, &loc); | |
6061 | ||
6062 | if (loc.key.ns.empty()) { | |
6063 | /* continue, we're only interested in tail objects */ | |
6064 | continue; | |
6065 | } | |
6066 | ||
6067 | get_obj_bucket_and_oid_loc(loc, oid, locator); | |
6068 | ref.ioctx.locator_set_key(locator); | |
6069 | ||
6070 | ldout(cct, 20) << __func__ << ": key=" << key << " oid=" << oid << " locator=" << locator << dendl; | |
6071 | ||
6072 | r = ref.ioctx.stat(oid, NULL, NULL); | |
6073 | if (r != -ENOENT) { | |
6074 | continue; | |
6075 | } | |
6076 | ||
6077 | string bad_loc; | |
6078 | prepend_bucket_marker(bucket, loc.key.name, bad_loc); | |
6079 | ||
6080 | /* create a new ioctx with the bad locator */ | |
6081 | librados::IoCtx src_ioctx; | |
6082 | src_ioctx.dup(ref.ioctx); | |
6083 | src_ioctx.locator_set_key(bad_loc); | |
6084 | ||
6085 | r = src_ioctx.stat(oid, NULL, NULL); | |
6086 | if (r != 0) { | |
6087 | /* cannot find a broken part */ | |
6088 | continue; | |
6089 | } | |
6090 | ldout(cct, 20) << __func__ << ": found bad object part: " << loc << dendl; | |
6091 | if (need_fix) { | |
6092 | *need_fix = true; | |
6093 | } | |
6094 | if (fix) { | |
6095 | r = move_rados_obj(src_ioctx, oid, bad_loc, ref.ioctx, oid, locator); | |
6096 | if (r < 0) { | |
6097 | lderr(cct) << "ERROR: copy_rados_obj() on oid=" << oid << " returned r=" << r << dendl; | |
6098 | } | |
6099 | } | |
6100 | } | |
6101 | } | |
6102 | ||
6103 | return 0; | |
6104 | } | |
6105 | ||
6106 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, const rgw_obj& obj) | |
6107 | { | |
6108 | bucket = _bucket; | |
6109 | ||
6110 | RGWObjectCtx obj_ctx(store); | |
6111 | ||
6112 | RGWBucketInfo bucket_info; | |
6113 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6114 | if (ret < 0) { | |
6115 | return ret; | |
6116 | } | |
6117 | ||
6118 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, obj.get_hash_object(), &bucket_obj, &shard_id); | |
6119 | if (ret < 0) { | |
6120 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6121 | return ret; | |
6122 | } | |
6123 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6124 | ||
6125 | return 0; | |
6126 | } | |
6127 | ||
6128 | int RGWRados::BucketShard::init(const rgw_bucket& _bucket, int sid) | |
6129 | { | |
6130 | bucket = _bucket; | |
6131 | shard_id = sid; | |
6132 | ||
6133 | RGWObjectCtx obj_ctx(store); | |
6134 | ||
6135 | RGWBucketInfo bucket_info; | |
6136 | int ret = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
6137 | if (ret < 0) { | |
6138 | return ret; | |
6139 | } | |
6140 | ||
6141 | ret = store->open_bucket_index_shard(bucket_info, index_ctx, shard_id, &bucket_obj); | |
6142 | if (ret < 0) { | |
6143 | ldout(store->ctx(), 0) << "ERROR: open_bucket_index_shard() returned ret=" << ret << dendl; | |
6144 | return ret; | |
6145 | } | |
6146 | ldout(store->ctx(), 20) << " bucket index object: " << bucket_obj << dendl; | |
6147 | ||
6148 | return 0; | |
6149 | } | |
6150 | ||
6151 | ||
6152 | /* Execute @handler on last item in bucket listing for bucket specified | |
6153 | * in @bucket_info. @obj_prefix and @obj_delim narrow down the listing | |
6154 | * to objects matching these criterias. */ | |
6155 | int RGWRados::on_last_entry_in_listing(RGWBucketInfo& bucket_info, | |
6156 | const std::string& obj_prefix, | |
6157 | const std::string& obj_delim, | |
6158 | std::function<int(const rgw_bucket_dir_entry&)> handler) | |
6159 | { | |
6160 | RGWRados::Bucket target(this, bucket_info); | |
6161 | RGWRados::Bucket::List list_op(&target); | |
6162 | ||
6163 | list_op.params.prefix = obj_prefix; | |
6164 | list_op.params.delim = obj_delim; | |
6165 | ||
6166 | ldout(cct, 20) << "iterating listing for bucket=" << bucket_info.bucket.name | |
6167 | << ", obj_prefix=" << obj_prefix | |
6168 | << ", obj_delim=" << obj_delim | |
6169 | << dendl; | |
6170 | ||
6171 | bool is_truncated = false; | |
6172 | ||
6173 | boost::optional<rgw_bucket_dir_entry> last_entry; | |
6174 | /* We need to rewind to the last object in a listing. */ | |
6175 | do { | |
6176 | /* List bucket entries in chunks. */ | |
6177 | static constexpr int MAX_LIST_OBJS = 100; | |
6178 | std::vector<rgw_bucket_dir_entry> entries(MAX_LIST_OBJS); | |
6179 | ||
6180 | int ret = list_op.list_objects(MAX_LIST_OBJS, &entries, nullptr, | |
6181 | &is_truncated); | |
6182 | if (ret < 0) { | |
6183 | return ret; | |
6184 | } else if (!entries.empty()) { | |
6185 | last_entry = entries.back(); | |
6186 | } | |
6187 | } while (is_truncated); | |
6188 | ||
6189 | if (last_entry) { | |
6190 | return handler(*last_entry); | |
6191 | } | |
6192 | ||
6193 | /* Empty listing - no items we can run handler on. */ | |
6194 | return 0; | |
6195 | } | |
6196 | ||
6197 | ||
6198 | int RGWRados::swift_versioning_copy(RGWObjectCtx& obj_ctx, | |
6199 | const rgw_user& user, | |
6200 | RGWBucketInfo& bucket_info, | |
6201 | rgw_obj& obj) | |
6202 | { | |
6203 | if (! swift_versioning_enabled(bucket_info)) { | |
6204 | return 0; | |
6205 | } | |
6206 | ||
6207 | obj_ctx.obj.set_atomic(obj); | |
6208 | ||
6209 | RGWObjState * state = nullptr; | |
6210 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &state, false); | |
6211 | if (r < 0) { | |
6212 | return r; | |
6213 | } | |
6214 | ||
6215 | if (!state->exists) { | |
6216 | return 0; | |
6217 | } | |
6218 | ||
6219 | string client_id; | |
6220 | string op_id; | |
6221 | ||
6222 | const string& src_name = obj.get_oid(); | |
6223 | char buf[src_name.size() + 32]; | |
6224 | struct timespec ts = ceph::real_clock::to_timespec(state->mtime); | |
6225 | snprintf(buf, sizeof(buf), "%03x%s/%lld.%06ld", (int)src_name.size(), | |
6226 | src_name.c_str(), (long long)ts.tv_sec, ts.tv_nsec / 1000); | |
6227 | ||
6228 | RGWBucketInfo dest_bucket_info; | |
6229 | ||
6230 | r = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, bucket_info.swift_ver_location, dest_bucket_info, NULL, NULL); | |
6231 | if (r < 0) { | |
6232 | ldout(cct, 10) << "failed to read dest bucket info: r=" << r << dendl; | |
6233 | if (r == -ENOENT) { | |
6234 | return -ERR_PRECONDITION_FAILED; | |
6235 | } | |
6236 | return r; | |
6237 | } | |
6238 | ||
6239 | if (dest_bucket_info.owner != bucket_info.owner) { | |
6240 | return -ERR_PRECONDITION_FAILED; | |
6241 | } | |
6242 | ||
6243 | rgw_obj dest_obj(dest_bucket_info.bucket, buf); | |
6244 | obj_ctx.obj.set_atomic(dest_obj); | |
6245 | ||
6246 | string no_zone; | |
6247 | ||
6248 | r = copy_obj(obj_ctx, | |
6249 | user, | |
6250 | client_id, | |
6251 | op_id, | |
6252 | NULL, /* req_info *info */ | |
6253 | no_zone, | |
6254 | dest_obj, | |
6255 | obj, | |
6256 | dest_bucket_info, | |
6257 | bucket_info, | |
6258 | NULL, /* time_t *src_mtime */ | |
6259 | NULL, /* time_t *mtime */ | |
6260 | NULL, /* const time_t *mod_ptr */ | |
6261 | NULL, /* const time_t *unmod_ptr */ | |
6262 | false, /* bool high_precision_time */ | |
6263 | NULL, /* const char *if_match */ | |
6264 | NULL, /* const char *if_nomatch */ | |
6265 | RGWRados::ATTRSMOD_NONE, | |
6266 | true, /* bool copy_if_newer */ | |
6267 | state->attrset, | |
6268 | RGW_OBJ_CATEGORY_MAIN, | |
6269 | 0, /* uint64_t olh_epoch */ | |
6270 | real_time(), /* time_t delete_at */ | |
6271 | NULL, /* string *version_id */ | |
6272 | NULL, /* string *ptag */ | |
6273 | NULL, /* string *petag */ | |
6274 | NULL, /* struct rgw_err *err */ | |
6275 | NULL, /* void (*progress_cb)(off_t, void *) */ | |
6276 | NULL); /* void *progress_data */ | |
6277 | if (r == -ECANCELED || r == -ENOENT) { | |
6278 | /* Has already been overwritten, meaning another rgw process already | |
6279 | * copied it out */ | |
6280 | return 0; | |
6281 | } | |
6282 | ||
6283 | return r; | |
6284 | } | |
6285 | ||
6286 | int RGWRados::swift_versioning_restore(RGWObjectCtx& obj_ctx, | |
6287 | const rgw_user& user, | |
6288 | RGWBucketInfo& bucket_info, | |
6289 | rgw_obj& obj, | |
6290 | bool& restored) /* out */ | |
6291 | { | |
6292 | if (! swift_versioning_enabled(bucket_info)) { | |
6293 | return 0; | |
6294 | } | |
6295 | ||
6296 | /* Bucket info of the bucket that stores previous versions of our object. */ | |
6297 | RGWBucketInfo archive_binfo; | |
6298 | ||
6299 | int ret = get_bucket_info(obj_ctx, bucket_info.bucket.tenant, | |
6300 | bucket_info.swift_ver_location, archive_binfo, | |
6301 | nullptr, nullptr); | |
6302 | if (ret < 0) { | |
6303 | return ret; | |
6304 | } | |
6305 | ||
6306 | /* Abort the operation if the bucket storing our archive belongs to someone | |
6307 | * else. This is a limitation in comparison to Swift as we aren't taking ACLs | |
6308 | * into consideration. For we can live with that. | |
6309 | * | |
6310 | * TODO: delegate this check to un upper layer and compare with ACLs. */ | |
6311 | if (bucket_info.owner != archive_binfo.owner) { | |
6312 | return -EPERM; | |
6313 | } | |
6314 | ||
6315 | /* This code will be executed on latest version of the object. */ | |
6316 | const auto handler = [&](const rgw_bucket_dir_entry& entry) -> int { | |
6317 | std::string no_client_id; | |
6318 | std::string no_op_id; | |
6319 | std::string no_zone; | |
6320 | ||
6321 | /* We don't support object versioning of Swift API on those buckets that | |
6322 | * are already versioned using the S3 mechanism. This affects also bucket | |
6323 | * storing archived objects. Otherwise the delete operation would create | |
6324 | * a deletion marker. */ | |
6325 | if (archive_binfo.versioned()) { | |
6326 | restored = false; | |
6327 | return -ERR_PRECONDITION_FAILED; | |
6328 | } | |
6329 | ||
6330 | /* We are requesting ATTRSMOD_NONE so the attr attribute is perfectly | |
6331 | * irrelevant and may be safely skipped. */ | |
6332 | std::map<std::string, ceph::bufferlist> no_attrs; | |
6333 | ||
6334 | rgw_obj archive_obj(archive_binfo.bucket, entry.key); | |
6335 | obj_ctx.obj.set_atomic(archive_obj); | |
6336 | obj_ctx.obj.set_atomic(obj); | |
6337 | ||
6338 | int ret = copy_obj(obj_ctx, | |
6339 | user, | |
6340 | no_client_id, | |
6341 | no_op_id, | |
6342 | nullptr, /* req_info *info */ | |
6343 | no_zone, | |
6344 | obj, /* dest obj */ | |
6345 | archive_obj, /* src obj */ | |
6346 | bucket_info, /* dest bucket info */ | |
6347 | archive_binfo, /* src bucket info */ | |
6348 | nullptr, /* time_t *src_mtime */ | |
6349 | nullptr, /* time_t *mtime */ | |
6350 | nullptr, /* const time_t *mod_ptr */ | |
6351 | nullptr, /* const time_t *unmod_ptr */ | |
6352 | false, /* bool high_precision_time */ | |
6353 | nullptr, /* const char *if_match */ | |
6354 | nullptr, /* const char *if_nomatch */ | |
6355 | RGWRados::ATTRSMOD_NONE, | |
6356 | true, /* bool copy_if_newer */ | |
6357 | no_attrs, | |
6358 | RGW_OBJ_CATEGORY_MAIN, | |
6359 | 0, /* uint64_t olh_epoch */ | |
6360 | real_time(), /* time_t delete_at */ | |
6361 | nullptr, /* string *version_id */ | |
6362 | nullptr, /* string *ptag */ | |
6363 | nullptr, /* string *petag */ | |
6364 | nullptr, /* struct rgw_err *err */ | |
6365 | nullptr, /* void (*progress_cb)(off_t, void *) */ | |
6366 | nullptr); /* void *progress_data */ | |
6367 | if (ret == -ECANCELED || ret == -ENOENT) { | |
6368 | /* Has already been overwritten, meaning another rgw process already | |
6369 | * copied it out */ | |
6370 | return 0; | |
6371 | } else if (ret < 0) { | |
6372 | return ret; | |
6373 | } else { | |
6374 | restored = true; | |
6375 | } | |
6376 | ||
6377 | /* Need to remove the archived copy. */ | |
6378 | ret = delete_obj(obj_ctx, archive_binfo, archive_obj, | |
6379 | archive_binfo.versioning_status()); | |
6380 | ||
6381 | return ret; | |
6382 | }; | |
6383 | ||
6384 | const std::string& obj_name = obj.get_oid(); | |
6385 | const auto prefix = boost::str(boost::format("%03x%s") % obj_name.size() | |
6386 | % obj_name); | |
6387 | ||
6388 | return on_last_entry_in_listing(archive_binfo, prefix, std::string(), | |
6389 | handler); | |
6390 | } | |
6391 | ||
6392 | /** | |
6393 | * Write/overwrite an object to the bucket storage. | |
6394 | * bucket: the bucket to store the object in | |
6395 | * obj: the object name/key | |
6396 | * data: the object contents/value | |
6397 | * size: the amount of data to write (data must be this long) | |
6398 | * accounted_size: original size of data before compression, encryption | |
6399 | * mtime: if non-NULL, writes the given mtime to the bucket storage | |
6400 | * attrs: all the given attrs are written to bucket storage for the given object | |
6401 | * exclusive: create object exclusively | |
6402 | * Returns: 0 on success, -ERR# otherwise. | |
6403 | */ | |
6404 | int RGWRados::Object::Write::_do_write_meta(uint64_t size, uint64_t accounted_size, | |
6405 | map<string, bufferlist>& attrs, bool assume_noent, | |
6406 | void *_index_op) | |
6407 | { | |
6408 | RGWRados::Bucket::UpdateIndex *index_op = static_cast<RGWRados::Bucket::UpdateIndex *>(_index_op); | |
6409 | rgw_pool pool; | |
6410 | rgw_rados_ref ref; | |
6411 | RGWRados *store = target->get_store(); | |
6412 | ||
6413 | ObjectWriteOperation op; | |
6414 | ||
6415 | RGWObjState *state; | |
6416 | int r = target->get_state(&state, false, assume_noent); | |
6417 | if (r < 0) | |
6418 | return r; | |
6419 | ||
6420 | rgw_obj& obj = target->get_obj(); | |
6421 | ||
6422 | if (obj.get_oid().empty()) { | |
6423 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << "(): cannot write object with empty name" << dendl; | |
6424 | return -EIO; | |
6425 | } | |
6426 | ||
6427 | r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); | |
6428 | if (r < 0) | |
6429 | return r; | |
6430 | ||
6431 | bool is_olh = state->is_olh; | |
6432 | ||
6433 | bool reset_obj = (meta.flags & PUT_OBJ_CREATE) != 0; | |
6434 | ||
6435 | const string *ptag = meta.ptag; | |
6436 | if (!ptag && !index_op->get_optag()->empty()) { | |
6437 | ptag = index_op->get_optag(); | |
6438 | } | |
6439 | r = target->prepare_atomic_modification(op, reset_obj, ptag, meta.if_match, meta.if_nomatch, false); | |
6440 | if (r < 0) | |
6441 | return r; | |
6442 | ||
6443 | if (real_clock::is_zero(meta.set_mtime)) { | |
6444 | meta.set_mtime = real_clock::now(); | |
6445 | } | |
6446 | ||
6447 | if (state->is_olh) { | |
6448 | op.setxattr(RGW_ATTR_OLH_ID_TAG, state->olh_tag); | |
6449 | } | |
6450 | ||
6451 | struct timespec mtime_ts = real_clock::to_timespec(meta.set_mtime); | |
6452 | op.mtime2(&mtime_ts); | |
6453 | ||
6454 | if (meta.data) { | |
6455 | /* if we want to overwrite the data, we also want to overwrite the | |
6456 | xattrs, so just remove the object */ | |
6457 | op.write_full(*meta.data); | |
6458 | } | |
6459 | ||
6460 | string etag; | |
6461 | string content_type; | |
6462 | bufferlist acl_bl; | |
6463 | ||
6464 | map<string, bufferlist>::iterator iter; | |
6465 | if (meta.rmattrs) { | |
6466 | for (iter = meta.rmattrs->begin(); iter != meta.rmattrs->end(); ++iter) { | |
6467 | const string& name = iter->first; | |
6468 | op.rmxattr(name.c_str()); | |
6469 | } | |
6470 | } | |
6471 | ||
6472 | if (meta.manifest) { | |
6473 | /* remove existing manifest attr */ | |
6474 | iter = attrs.find(RGW_ATTR_MANIFEST); | |
6475 | if (iter != attrs.end()) | |
6476 | attrs.erase(iter); | |
6477 | ||
6478 | bufferlist bl; | |
6479 | ::encode(*meta.manifest, bl); | |
6480 | op.setxattr(RGW_ATTR_MANIFEST, bl); | |
6481 | } | |
6482 | ||
6483 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6484 | const string& name = iter->first; | |
6485 | bufferlist& bl = iter->second; | |
6486 | ||
6487 | if (!bl.length()) | |
6488 | continue; | |
6489 | ||
6490 | op.setxattr(name.c_str(), bl); | |
6491 | ||
6492 | if (name.compare(RGW_ATTR_ETAG) == 0) { | |
6493 | etag = bl.c_str(); | |
6494 | } else if (name.compare(RGW_ATTR_CONTENT_TYPE) == 0) { | |
6495 | content_type = bl.c_str(); | |
6496 | } else if (name.compare(RGW_ATTR_ACL) == 0) { | |
6497 | acl_bl = bl; | |
6498 | } | |
6499 | } | |
6500 | if (attrs.find(RGW_ATTR_PG_VER) == attrs.end()) { | |
6501 | cls_rgw_obj_store_pg_ver(op, RGW_ATTR_PG_VER); | |
6502 | } | |
6503 | ||
6504 | if (attrs.find(RGW_ATTR_SOURCE_ZONE) == attrs.end()) { | |
6505 | bufferlist bl; | |
6506 | ::encode(store->get_zone_short_id(), bl); | |
6507 | op.setxattr(RGW_ATTR_SOURCE_ZONE, bl); | |
6508 | } | |
6509 | ||
6510 | if (!op.size()) | |
6511 | return 0; | |
6512 | ||
6513 | uint64_t epoch; | |
6514 | int64_t poolid; | |
6515 | ||
6516 | bool orig_exists = state->exists; | |
6517 | uint64_t orig_size = state->accounted_size; | |
6518 | ||
6519 | bool versioned_target = (meta.olh_epoch > 0 || !obj.key.instance.empty()); | |
6520 | ||
6521 | bool versioned_op = (target->versioning_enabled() || is_olh || versioned_target); | |
6522 | ||
6523 | if (versioned_op) { | |
6524 | index_op->set_bilog_flags(RGW_BILOG_FLAG_VERSIONED_OP); | |
6525 | } | |
6526 | ||
6527 | if (!index_op->is_prepared()) { | |
6528 | r = index_op->prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
6529 | if (r < 0) | |
6530 | return r; | |
6531 | } | |
6532 | ||
6533 | r = ref.ioctx.operate(ref.oid, &op); | |
6534 | if (r < 0) { /* we can expect to get -ECANCELED if object was replaced under, | |
6535 | or -ENOENT if was removed, or -EEXIST if it did not exist | |
6536 | before and now it does */ | |
6537 | if (r == -EEXIST && assume_noent) { | |
6538 | target->invalidate_state(); | |
6539 | return r; | |
6540 | } | |
6541 | goto done_cancel; | |
6542 | } | |
6543 | ||
6544 | epoch = ref.ioctx.get_last_version(); | |
6545 | poolid = ref.ioctx.get_id(); | |
6546 | ||
6547 | r = target->complete_atomic_modification(); | |
6548 | if (r < 0) { | |
6549 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned r=" << r << dendl; | |
6550 | } | |
6551 | ||
6552 | r = index_op->complete(poolid, epoch, size, accounted_size, | |
6553 | meta.set_mtime, etag, content_type, &acl_bl, | |
6554 | meta.category, meta.remove_objs, meta.user_data); | |
6555 | if (r < 0) | |
6556 | goto done_cancel; | |
6557 | ||
6558 | if (meta.mtime) { | |
6559 | *meta.mtime = meta.set_mtime; | |
6560 | } | |
6561 | ||
6562 | /* note that index_op was using state so we couldn't invalidate it earlier */ | |
6563 | target->invalidate_state(); | |
6564 | state = NULL; | |
6565 | ||
6566 | if (versioned_op) { | |
6567 | r = store->set_olh(target->get_ctx(), target->get_bucket_info(), obj, false, NULL, meta.olh_epoch, real_time(), false); | |
6568 | if (r < 0) { | |
6569 | return r; | |
6570 | } | |
6571 | } | |
6572 | ||
6573 | if (!real_clock::is_zero(meta.delete_at)) { | |
6574 | rgw_obj_index_key obj_key; | |
6575 | obj.key.get_index_key(&obj_key); | |
6576 | ||
6577 | r = store->objexp_hint_add(meta.delete_at, | |
6578 | obj.bucket.tenant, obj.bucket.name, obj.bucket.bucket_id, obj_key); | |
6579 | if (r < 0) { | |
6580 | ldout(store->ctx(), 0) << "ERROR: objexp_hint_add() returned r=" << r << ", object will not get removed" << dendl; | |
6581 | /* ignoring error, nothing we can do at this point */ | |
6582 | } | |
6583 | } | |
6584 | meta.canceled = false; | |
6585 | ||
6586 | /* update quota cache */ | |
6587 | store->quota_handler->update_stats(meta.owner, obj.bucket, (orig_exists ? 0 : 1), | |
6588 | accounted_size, orig_size); | |
6589 | return 0; | |
6590 | ||
6591 | done_cancel: | |
6592 | int ret = index_op->cancel(); | |
6593 | if (ret < 0) { | |
6594 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel()() returned ret=" << ret << dendl; | |
6595 | } | |
6596 | ||
6597 | meta.canceled = true; | |
6598 | ||
6599 | /* we lost in a race. There are a few options: | |
6600 | * - existing object was rewritten (ECANCELED) | |
6601 | * - non existing object was created (EEXIST) | |
6602 | * - object was removed (ENOENT) | |
6603 | * should treat it as a success | |
6604 | */ | |
6605 | if (meta.if_match == NULL && meta.if_nomatch == NULL) { | |
6606 | if (r == -ECANCELED || r == -ENOENT || r == -EEXIST) { | |
6607 | r = 0; | |
6608 | } | |
6609 | } else { | |
6610 | if (meta.if_match != NULL) { | |
6611 | // only overwrite existing object | |
6612 | if (strcmp(meta.if_match, "*") == 0) { | |
6613 | if (r == -ENOENT) { | |
6614 | r = -ERR_PRECONDITION_FAILED; | |
6615 | } else if (r == -ECANCELED) { | |
6616 | r = 0; | |
6617 | } | |
6618 | } | |
6619 | } | |
6620 | ||
6621 | if (meta.if_nomatch != NULL) { | |
6622 | // only create a new object | |
6623 | if (strcmp(meta.if_nomatch, "*") == 0) { | |
6624 | if (r == -EEXIST) { | |
6625 | r = -ERR_PRECONDITION_FAILED; | |
6626 | } else if (r == -ENOENT) { | |
6627 | r = 0; | |
6628 | } | |
6629 | } | |
6630 | } | |
6631 | } | |
6632 | ||
6633 | return r; | |
6634 | } | |
6635 | ||
6636 | int RGWRados::Object::Write::write_meta(uint64_t size, uint64_t accounted_size, | |
6637 | map<string, bufferlist>& attrs) | |
6638 | { | |
6639 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
6640 | ||
6641 | RGWRados::Bucket bop(target->get_store(), bucket_info); | |
6642 | RGWRados::Bucket::UpdateIndex index_op(&bop, target->get_obj()); | |
6643 | ||
6644 | bool assume_noent = (meta.if_match == NULL && meta.if_nomatch == NULL); | |
6645 | int r; | |
6646 | if (assume_noent) { | |
6647 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
6648 | if (r == -EEXIST) { | |
6649 | assume_noent = false; | |
6650 | } | |
6651 | } | |
6652 | if (!assume_noent) { | |
6653 | r = _do_write_meta(size, accounted_size, attrs, assume_noent, (void *)&index_op); | |
6654 | } | |
6655 | return r; | |
6656 | } | |
6657 | ||
6658 | /** Write/overwrite a system object. */ | |
6659 | int RGWRados::put_system_obj_impl(rgw_raw_obj& obj, uint64_t size, real_time *mtime, | |
6660 | map<std::string, bufferlist>& attrs, int flags, | |
6661 | bufferlist& data, | |
6662 | RGWObjVersionTracker *objv_tracker, | |
6663 | real_time set_mtime /* 0 for don't set */) | |
6664 | { | |
6665 | rgw_pool pool; | |
6666 | rgw_rados_ref ref; | |
6667 | int r = get_system_obj_ref(obj, &ref, &pool); | |
6668 | if (r < 0) | |
6669 | return r; | |
6670 | ||
6671 | ObjectWriteOperation op; | |
6672 | ||
6673 | if (flags & PUT_OBJ_EXCL) { | |
6674 | if (!(flags & PUT_OBJ_CREATE)) | |
6675 | return -EINVAL; | |
6676 | op.create(true); // exclusive create | |
6677 | } else { | |
6678 | op.remove(); | |
6679 | op.set_op_flags2(LIBRADOS_OP_FLAG_FAILOK); | |
6680 | op.create(false); | |
6681 | } | |
6682 | ||
6683 | if (objv_tracker) { | |
6684 | objv_tracker->prepare_op_for_write(&op); | |
6685 | } | |
6686 | ||
6687 | if (real_clock::is_zero(set_mtime)) { | |
6688 | set_mtime = real_clock::now(); | |
6689 | } | |
6690 | ||
6691 | struct timespec mtime_ts = real_clock::to_timespec(set_mtime); | |
6692 | op.mtime2(&mtime_ts); | |
6693 | op.write_full(data); | |
6694 | ||
6695 | bufferlist acl_bl; | |
6696 | ||
6697 | for (map<string, bufferlist>::iterator iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
6698 | const string& name = iter->first; | |
6699 | bufferlist& bl = iter->second; | |
6700 | ||
6701 | if (!bl.length()) | |
6702 | continue; | |
6703 | ||
6704 | op.setxattr(name.c_str(), bl); | |
6705 | } | |
6706 | ||
6707 | r = ref.ioctx.operate(ref.oid, &op); | |
6708 | if (r < 0) { | |
6709 | return r; | |
6710 | } | |
6711 | ||
6712 | if (objv_tracker) { | |
6713 | objv_tracker->apply_write(); | |
6714 | } | |
6715 | ||
6716 | if (mtime) { | |
6717 | *mtime = set_mtime; | |
6718 | } | |
6719 | ||
6720 | return 0; | |
6721 | } | |
6722 | ||
6723 | int RGWRados::put_system_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
6724 | off_t ofs, bool exclusive, | |
6725 | RGWObjVersionTracker *objv_tracker) | |
6726 | { | |
6727 | rgw_rados_ref ref; | |
6728 | rgw_pool pool; | |
6729 | int r = get_system_obj_ref(obj, &ref, &pool); | |
6730 | if (r < 0) { | |
6731 | return r; | |
6732 | } | |
6733 | ||
6734 | ObjectWriteOperation op; | |
6735 | ||
6736 | if (exclusive) | |
6737 | op.create(true); | |
6738 | ||
6739 | if (objv_tracker) { | |
6740 | objv_tracker->prepare_op_for_write(&op); | |
6741 | } | |
6742 | if (ofs == -1) { | |
6743 | op.write_full(bl); | |
6744 | } else { | |
6745 | op.write(ofs, bl); | |
6746 | } | |
6747 | r = ref.ioctx.operate(ref.oid, &op); | |
6748 | if (r < 0) | |
6749 | return r; | |
6750 | ||
6751 | if (objv_tracker) { | |
6752 | objv_tracker->apply_write(); | |
6753 | } | |
6754 | return 0; | |
6755 | } | |
6756 | ||
6757 | /** | |
6758 | * Write/overwrite an object to the bucket storage. | |
6759 | * bucket: the bucket to store the object in | |
6760 | * obj: the object name/key | |
6761 | * data: the object contents/value | |
6762 | * offset: the offet to write to in the object | |
6763 | * If this is -1, we will overwrite the whole object. | |
6764 | * size: the amount of data to write (data must be this long) | |
6765 | * attrs: all the given attrs are written to bucket storage for the given object | |
6766 | * Returns: 0 on success, -ERR# otherwise. | |
6767 | */ | |
6768 | ||
6769 | int RGWRados::aio_put_obj_data(void *ctx, rgw_raw_obj& obj, bufferlist& bl, | |
6770 | off_t ofs, bool exclusive, | |
6771 | void **handle) | |
6772 | { | |
6773 | rgw_rados_ref ref; | |
6774 | int r = get_raw_obj_ref(obj, &ref); | |
6775 | if (r < 0) { | |
6776 | return r; | |
6777 | } | |
6778 | ||
6779 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
6780 | *handle = c; | |
6781 | ||
6782 | ObjectWriteOperation op; | |
6783 | ||
6784 | if (exclusive) | |
6785 | op.create(true); | |
6786 | ||
6787 | if (ofs == -1) { | |
6788 | op.write_full(bl); | |
6789 | } else { | |
6790 | op.write(ofs, bl); | |
6791 | } | |
6792 | r = ref.ioctx.aio_operate(ref.oid, c, &op); | |
6793 | if (r < 0) | |
6794 | return r; | |
6795 | ||
6796 | return 0; | |
6797 | } | |
6798 | ||
6799 | int RGWRados::aio_wait(void *handle) | |
6800 | { | |
6801 | AioCompletion *c = (AioCompletion *)handle; | |
6802 | c->wait_for_safe(); | |
6803 | int ret = c->get_return_value(); | |
6804 | c->release(); | |
6805 | return ret; | |
6806 | } | |
6807 | ||
6808 | bool RGWRados::aio_completed(void *handle) | |
6809 | { | |
6810 | AioCompletion *c = (AioCompletion *)handle; | |
6811 | return c->is_safe(); | |
6812 | } | |
6813 | ||
6814 | class RGWRadosPutObj : public RGWGetDataCB | |
6815 | { | |
6816 | CephContext* cct; | |
6817 | rgw_obj obj; | |
6818 | RGWPutObjDataProcessor *filter; | |
6819 | boost::optional<RGWPutObj_Compress>& compressor; | |
6820 | CompressorRef& plugin; | |
6821 | RGWPutObjProcessor_Atomic *processor; | |
6822 | RGWOpStateSingleOp *opstate; | |
6823 | void (*progress_cb)(off_t, void *); | |
6824 | void *progress_data; | |
6825 | bufferlist extra_data_bl; | |
6826 | uint64_t extra_data_len; | |
6827 | uint64_t data_len; | |
6828 | map<string, bufferlist> src_attrs; | |
6829 | public: | |
6830 | RGWRadosPutObj(CephContext* cct, | |
6831 | CompressorRef& plugin, | |
6832 | boost::optional<RGWPutObj_Compress>& compressor, | |
6833 | RGWPutObjProcessor_Atomic *p, | |
6834 | RGWOpStateSingleOp *_ops, | |
6835 | void (*_progress_cb)(off_t, void *), | |
6836 | void *_progress_data) : | |
6837 | cct(cct), | |
6838 | filter(p), | |
6839 | compressor(compressor), | |
6840 | plugin(plugin), | |
6841 | processor(p), | |
6842 | opstate(_ops), | |
6843 | progress_cb(_progress_cb), | |
6844 | progress_data(_progress_data), | |
6845 | extra_data_len(0), | |
6846 | data_len(0) {} | |
6847 | ||
6848 | int process_attrs(void) { | |
6849 | if (extra_data_bl.length()) { | |
6850 | JSONParser jp; | |
6851 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
6852 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
6853 | return -EIO; | |
6854 | } | |
6855 | ||
6856 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
6857 | ||
6858 | src_attrs.erase(RGW_ATTR_COMPRESSION); | |
6859 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
6860 | } | |
6861 | ||
6862 | if (plugin && src_attrs.find(RGW_ATTR_CRYPT_MODE) == src_attrs.end()) { | |
6863 | //do not compress if object is encrypted | |
6864 | compressor = boost::in_place(cct, plugin, filter); | |
6865 | filter = &*compressor; | |
6866 | } | |
6867 | return 0; | |
6868 | } | |
6869 | ||
6870 | int handle_data(bufferlist& bl, off_t ofs, off_t len) override { | |
6871 | if (progress_cb) { | |
6872 | progress_cb(ofs, progress_data); | |
6873 | } | |
6874 | if (extra_data_len) { | |
6875 | size_t extra_len = bl.length(); | |
6876 | if (extra_len > extra_data_len) | |
6877 | extra_len = extra_data_len; | |
6878 | ||
6879 | bufferlist extra; | |
6880 | bl.splice(0, extra_len, &extra); | |
6881 | extra_data_bl.append(extra); | |
6882 | ||
6883 | extra_data_len -= extra_len; | |
6884 | if (extra_data_len == 0) { | |
6885 | int res = process_attrs(); | |
6886 | if (res < 0) | |
6887 | return res; | |
6888 | } | |
6889 | if (bl.length() == 0) { | |
6890 | return 0; | |
6891 | } | |
6892 | } | |
6893 | data_len += bl.length(); | |
6894 | bool again = false; | |
6895 | ||
6896 | bool need_opstate = true; | |
6897 | ||
6898 | do { | |
6899 | void *handle = NULL; | |
6900 | rgw_raw_obj obj; | |
6901 | uint64_t size = bl.length(); | |
6902 | int ret = filter->handle_data(bl, ofs, &handle, &obj, &again); | |
6903 | if (ret < 0) | |
6904 | return ret; | |
6905 | ||
6906 | if (need_opstate && opstate) { | |
6907 | /* need to update opstate repository with new state. This is ratelimited, so we're not | |
6908 | * really doing it every time | |
6909 | */ | |
6910 | ret = opstate->renew_state(); | |
6911 | if (ret < 0) { | |
6912 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): failed to renew op state ret=" << ret << dendl; | |
6913 | int r = filter->throttle_data(handle, obj, size, false); | |
6914 | if (r < 0) { | |
6915 | ldout(cct, 0) << "ERROR: RGWRadosPutObj::handle_data(): processor->throttle_data() returned " << r << dendl; | |
6916 | } | |
6917 | /* could not renew state! might have been marked as cancelled */ | |
6918 | return ret; | |
6919 | } | |
6920 | need_opstate = false; | |
6921 | } | |
6922 | ||
6923 | ret = filter->throttle_data(handle, obj, size, false); | |
6924 | if (ret < 0) | |
6925 | return ret; | |
6926 | } while (again); | |
6927 | ||
6928 | return 0; | |
6929 | } | |
6930 | ||
6931 | bufferlist& get_extra_data() { return extra_data_bl; } | |
6932 | ||
6933 | map<string, bufferlist>& get_attrs() { return src_attrs; } | |
6934 | ||
6935 | void set_extra_data_len(uint64_t len) override { | |
6936 | extra_data_len = len; | |
6937 | } | |
6938 | ||
6939 | uint64_t get_data_len() { | |
6940 | return data_len; | |
6941 | } | |
6942 | ||
6943 | int complete(const string& etag, real_time *mtime, real_time set_mtime, | |
6944 | map<string, bufferlist>& attrs, real_time delete_at) { | |
6945 | return processor->complete(data_len, etag, mtime, set_mtime, attrs, delete_at); | |
6946 | } | |
6947 | ||
6948 | bool is_canceled() { | |
6949 | return processor->is_canceled(); | |
6950 | } | |
6951 | }; | |
6952 | ||
6953 | /* | |
6954 | * prepare attrset depending on attrs_mod. | |
6955 | */ | |
6956 | static void set_copy_attrs(map<string, bufferlist>& src_attrs, | |
6957 | map<string, bufferlist>& attrs, | |
6958 | RGWRados::AttrsMod attrs_mod) | |
6959 | { | |
6960 | switch (attrs_mod) { | |
6961 | case RGWRados::ATTRSMOD_NONE: | |
6962 | attrs = src_attrs; | |
6963 | break; | |
6964 | case RGWRados::ATTRSMOD_REPLACE: | |
6965 | if (!attrs[RGW_ATTR_ETAG].length()) { | |
6966 | attrs[RGW_ATTR_ETAG] = src_attrs[RGW_ATTR_ETAG]; | |
6967 | } | |
6968 | break; | |
6969 | case RGWRados::ATTRSMOD_MERGE: | |
6970 | for (map<string, bufferlist>::iterator it = src_attrs.begin(); it != src_attrs.end(); ++it) { | |
6971 | if (attrs.find(it->first) == attrs.end()) { | |
6972 | attrs[it->first] = it->second; | |
6973 | } | |
6974 | } | |
6975 | break; | |
6976 | } | |
6977 | } | |
6978 | ||
6979 | int RGWRados::rewrite_obj(RGWBucketInfo& dest_bucket_info, rgw_obj& obj) | |
6980 | { | |
6981 | map<string, bufferlist> attrset; | |
6982 | ||
6983 | real_time mtime; | |
6984 | uint64_t obj_size; | |
6985 | RGWObjectCtx rctx(this); | |
6986 | ||
6987 | RGWRados::Object op_target(this, dest_bucket_info, rctx, obj); | |
6988 | RGWRados::Object::Read read_op(&op_target); | |
6989 | ||
6990 | read_op.params.attrs = &attrset; | |
6991 | read_op.params.lastmod = &mtime; | |
6992 | read_op.params.obj_size = &obj_size; | |
6993 | ||
6994 | int ret = read_op.prepare(); | |
6995 | if (ret < 0) | |
6996 | return ret; | |
6997 | ||
6998 | attrset.erase(RGW_ATTR_ID_TAG); | |
6999 | ||
7000 | uint64_t max_chunk_size; | |
7001 | ||
7002 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, obj, &max_chunk_size); | |
7003 | if (ret < 0) { | |
7004 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << obj.bucket << dendl; | |
7005 | return ret; | |
7006 | } | |
7007 | ||
7008 | return copy_obj_data(rctx, dest_bucket_info, read_op, obj_size - 1, obj, obj, max_chunk_size, NULL, mtime, attrset, | |
7009 | RGW_OBJ_CATEGORY_MAIN, 0, real_time(), NULL, NULL, NULL, NULL); | |
7010 | } | |
7011 | ||
7012 | struct obj_time_weight { | |
7013 | real_time mtime; | |
7014 | uint32_t zone_short_id; | |
7015 | uint64_t pg_ver; | |
7016 | bool high_precision; | |
7017 | ||
7018 | obj_time_weight() : zone_short_id(0), pg_ver(0), high_precision(false) {} | |
7019 | ||
7020 | bool compare_low_precision(const obj_time_weight& rhs) { | |
7021 | struct timespec l = ceph::real_clock::to_timespec(mtime); | |
7022 | struct timespec r = ceph::real_clock::to_timespec(rhs.mtime); | |
7023 | l.tv_nsec = 0; | |
7024 | r.tv_nsec = 0; | |
7025 | if (l > r) { | |
7026 | return false; | |
7027 | } | |
7028 | if (l < r) { | |
7029 | return true; | |
7030 | } | |
7031 | if (zone_short_id != rhs.zone_short_id) { | |
7032 | return (zone_short_id < rhs.zone_short_id); | |
7033 | } | |
7034 | return (pg_ver < rhs.pg_ver); | |
7035 | ||
7036 | } | |
7037 | ||
7038 | bool operator<(const obj_time_weight& rhs) { | |
7039 | if (!high_precision || !rhs.high_precision) { | |
7040 | return compare_low_precision(rhs); | |
7041 | } | |
7042 | if (mtime > rhs.mtime) { | |
7043 | return false; | |
7044 | } | |
7045 | if (mtime < rhs.mtime) { | |
7046 | return true; | |
7047 | } | |
7048 | if (zone_short_id != rhs.zone_short_id) { | |
7049 | return (zone_short_id < rhs.zone_short_id); | |
7050 | } | |
7051 | return (pg_ver < rhs.pg_ver); | |
7052 | } | |
7053 | ||
7054 | void init(const real_time& _mtime, uint32_t _short_id, uint64_t _pg_ver) { | |
7055 | mtime = _mtime; | |
7056 | zone_short_id = _short_id; | |
7057 | pg_ver = _pg_ver; | |
7058 | } | |
7059 | ||
7060 | void init(RGWObjState *state) { | |
7061 | mtime = state->mtime; | |
7062 | zone_short_id = state->zone_short_id; | |
7063 | pg_ver = state->pg_ver; | |
7064 | } | |
7065 | }; | |
7066 | ||
7067 | inline ostream& operator<<(ostream& out, const obj_time_weight &o) { | |
7068 | out << o.mtime; | |
7069 | ||
7070 | if (o.zone_short_id != 0 || o.pg_ver != 0) { | |
7071 | out << "[zid=" << o.zone_short_id << ", pgv=" << o.pg_ver << "]"; | |
7072 | } | |
7073 | ||
7074 | return out; | |
7075 | } | |
7076 | ||
7077 | class RGWGetExtraDataCB : public RGWGetDataCB { | |
7078 | bufferlist extra_data; | |
7079 | public: | |
7080 | RGWGetExtraDataCB() {} | |
7081 | int handle_data(bufferlist& bl, off_t bl_ofs, off_t bl_len) override { | |
7082 | if (extra_data.length() < extra_data_len) { | |
7083 | off_t max = extra_data_len - extra_data.length(); | |
7084 | if (max > bl_len) { | |
7085 | max = bl_len; | |
7086 | } | |
7087 | bl.splice(0, max, &extra_data); | |
7088 | } | |
7089 | return bl_len; | |
7090 | } | |
7091 | ||
7092 | bufferlist& get_extra_data() { | |
7093 | return extra_data; | |
7094 | } | |
7095 | }; | |
7096 | ||
7097 | int RGWRados::stat_remote_obj(RGWObjectCtx& obj_ctx, | |
7098 | const rgw_user& user_id, | |
7099 | const string& client_id, | |
7100 | req_info *info, | |
7101 | const string& source_zone, | |
7102 | rgw_obj& src_obj, | |
7103 | RGWBucketInfo& src_bucket_info, | |
7104 | real_time *src_mtime, | |
7105 | uint64_t *psize, | |
7106 | const real_time *mod_ptr, | |
7107 | const real_time *unmod_ptr, | |
7108 | bool high_precision_time, | |
7109 | const char *if_match, | |
7110 | const char *if_nomatch, | |
7111 | map<string, bufferlist> *pattrs, | |
7112 | string *version_id, | |
7113 | string *ptag, | |
7114 | string *petag) | |
7115 | { | |
7116 | /* source is in a different zonegroup, copy from there */ | |
7117 | ||
7118 | RGWRESTStreamRWRequest *in_stream_req; | |
7119 | string tag; | |
7120 | map<string, bufferlist> src_attrs; | |
7121 | append_rand_alpha(cct, tag, tag, 32); | |
7122 | obj_time_weight set_mtime_weight; | |
7123 | set_mtime_weight.high_precision = high_precision_time; | |
7124 | ||
7125 | RGWRESTConn *conn; | |
7126 | if (source_zone.empty()) { | |
7127 | if (src_bucket_info.zonegroup.empty()) { | |
7128 | /* source is in the master zonegroup */ | |
7129 | conn = rest_master_conn; | |
7130 | } else { | |
7131 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7132 | if (iter == zonegroup_conn_map.end()) { | |
7133 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7134 | return -ENOENT; | |
7135 | } | |
7136 | conn = iter->second; | |
7137 | } | |
7138 | } else { | |
7139 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7140 | if (iter == zone_conn_map.end()) { | |
7141 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7142 | return -ENOENT; | |
7143 | } | |
7144 | conn = iter->second; | |
7145 | } | |
7146 | ||
7147 | RGWGetExtraDataCB cb; | |
7148 | string etag; | |
7149 | map<string, string> req_headers; | |
7150 | real_time set_mtime; | |
7151 | ||
7152 | const real_time *pmod = mod_ptr; | |
7153 | ||
7154 | obj_time_weight dest_mtime_weight; | |
7155 | ||
7156 | int ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7157 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7158 | true /* prepend_meta */, true /* GET */, true /* rgwx-stat */, | |
7159 | true /* sync manifest */, &cb, &in_stream_req); | |
7160 | if (ret < 0) { | |
7161 | return ret; | |
7162 | } | |
7163 | ||
7164 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, psize, req_headers); | |
7165 | if (ret < 0) { | |
7166 | return ret; | |
7167 | } | |
7168 | ||
7169 | bufferlist& extra_data_bl = cb.get_extra_data(); | |
7170 | if (extra_data_bl.length()) { | |
7171 | JSONParser jp; | |
7172 | if (!jp.parse(extra_data_bl.c_str(), extra_data_bl.length())) { | |
7173 | ldout(cct, 0) << "failed to parse response extra data. len=" << extra_data_bl.length() << " data=" << extra_data_bl.c_str() << dendl; | |
7174 | return -EIO; | |
7175 | } | |
7176 | ||
7177 | JSONDecoder::decode_json("attrs", src_attrs, &jp); | |
7178 | ||
7179 | src_attrs.erase(RGW_ATTR_MANIFEST); // not interested in original object layout | |
7180 | } | |
7181 | ||
7182 | if (src_mtime) { | |
7183 | *src_mtime = set_mtime; | |
7184 | } | |
7185 | ||
7186 | if (petag) { | |
7187 | map<string, bufferlist>::iterator iter = src_attrs.find(RGW_ATTR_ETAG); | |
7188 | if (iter != src_attrs.end()) { | |
7189 | bufferlist& etagbl = iter->second; | |
7190 | *petag = etagbl.to_str(); | |
7191 | } | |
7192 | } | |
7193 | ||
7194 | if (pattrs) { | |
7195 | *pattrs = src_attrs; | |
7196 | } | |
7197 | ||
7198 | return 0; | |
7199 | } | |
7200 | ||
7201 | int RGWRados::fetch_remote_obj(RGWObjectCtx& obj_ctx, | |
7202 | const rgw_user& user_id, | |
7203 | const string& client_id, | |
7204 | const string& op_id, | |
7205 | bool record_op_state, | |
7206 | req_info *info, | |
7207 | const string& source_zone, | |
7208 | rgw_obj& dest_obj, | |
7209 | rgw_obj& src_obj, | |
7210 | RGWBucketInfo& dest_bucket_info, | |
7211 | RGWBucketInfo& src_bucket_info, | |
7212 | real_time *src_mtime, | |
7213 | real_time *mtime, | |
7214 | const real_time *mod_ptr, | |
7215 | const real_time *unmod_ptr, | |
7216 | bool high_precision_time, | |
7217 | const char *if_match, | |
7218 | const char *if_nomatch, | |
7219 | AttrsMod attrs_mod, | |
7220 | bool copy_if_newer, | |
7221 | map<string, bufferlist>& attrs, | |
7222 | RGWObjCategory category, | |
7223 | uint64_t olh_epoch, | |
7224 | real_time delete_at, | |
7225 | string *version_id, | |
7226 | string *ptag, | |
7227 | ceph::buffer::list *petag, | |
7228 | struct rgw_err *err, | |
7229 | void (*progress_cb)(off_t, void *), | |
7230 | void *progress_data) | |
7231 | { | |
7232 | /* source is in a different zonegroup, copy from there */ | |
7233 | ||
7234 | RGWRESTStreamRWRequest *in_stream_req; | |
7235 | string tag; | |
7236 | int i; | |
7237 | append_rand_alpha(cct, tag, tag, 32); | |
7238 | obj_time_weight set_mtime_weight; | |
7239 | set_mtime_weight.high_precision = high_precision_time; | |
7240 | ||
7241 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
7242 | dest_bucket_info, dest_obj.bucket, dest_obj.key.name, | |
7243 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
7244 | if (version_id && *version_id != "null") { | |
7245 | processor.set_version_id(*version_id); | |
7246 | } | |
7247 | processor.set_olh_epoch(olh_epoch); | |
7248 | int ret = processor.prepare(this, NULL); | |
7249 | if (ret < 0) { | |
7250 | return ret; | |
7251 | } | |
7252 | ||
7253 | RGWRESTConn *conn; | |
7254 | if (source_zone.empty()) { | |
7255 | if (dest_bucket_info.zonegroup.empty()) { | |
7256 | /* source is in the master zonegroup */ | |
7257 | conn = rest_master_conn; | |
7258 | } else { | |
7259 | map<string, RGWRESTConn *>::iterator iter = zonegroup_conn_map.find(src_bucket_info.zonegroup); | |
7260 | if (iter == zonegroup_conn_map.end()) { | |
7261 | ldout(cct, 0) << "could not find zonegroup connection to zonegroup: " << source_zone << dendl; | |
7262 | return -ENOENT; | |
7263 | } | |
7264 | conn = iter->second; | |
7265 | } | |
7266 | } else { | |
7267 | map<string, RGWRESTConn *>::iterator iter = zone_conn_map.find(source_zone); | |
7268 | if (iter == zone_conn_map.end()) { | |
7269 | ldout(cct, 0) << "could not find zone connection to zone: " << source_zone << dendl; | |
7270 | return -ENOENT; | |
7271 | } | |
7272 | conn = iter->second; | |
7273 | } | |
7274 | ||
7275 | string obj_name = dest_obj.bucket.name + "/" + dest_obj.get_oid(); | |
7276 | ||
7277 | RGWOpStateSingleOp *opstate = NULL; | |
7278 | ||
7279 | if (record_op_state) { | |
7280 | opstate = new RGWOpStateSingleOp(this, client_id, op_id, obj_name); | |
7281 | ||
7282 | ret = opstate->set_state(RGWOpState::OPSTATE_IN_PROGRESS); | |
7283 | if (ret < 0) { | |
7284 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7285 | delete opstate; | |
7286 | return ret; | |
7287 | } | |
7288 | } | |
7289 | ||
7290 | boost::optional<RGWPutObj_Compress> compressor; | |
7291 | CompressorRef plugin; | |
7292 | ||
7293 | const auto& compression_type = zone_params.get_compression_type( | |
7294 | dest_bucket_info.placement_rule); | |
7295 | if (compression_type != "none") { | |
7296 | plugin = Compressor::create(cct, compression_type); | |
7297 | if (!plugin) { | |
7298 | ldout(cct, 1) << "Cannot load plugin for compression type " | |
7299 | << compression_type << dendl; | |
7300 | } | |
7301 | } | |
7302 | ||
7303 | RGWRadosPutObj cb(cct, plugin, compressor, &processor, opstate, progress_cb, progress_data); | |
7304 | ||
7305 | string etag; | |
7306 | map<string, string> req_headers; | |
7307 | real_time set_mtime; | |
7308 | ||
7309 | RGWObjState *dest_state = NULL; | |
7310 | ||
7311 | const real_time *pmod = mod_ptr; | |
7312 | ||
7313 | obj_time_weight dest_mtime_weight; | |
7314 | ||
7315 | if (copy_if_newer) { | |
7316 | /* need to get mtime for destination */ | |
7317 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7318 | if (ret < 0) | |
7319 | goto set_err_state; | |
7320 | ||
7321 | if (!real_clock::is_zero(dest_state->mtime)) { | |
7322 | dest_mtime_weight.init(dest_state); | |
7323 | pmod = &dest_mtime_weight.mtime; | |
7324 | } | |
7325 | } | |
7326 | ||
7327 | ret = conn->get_obj(user_id, info, src_obj, pmod, unmod_ptr, | |
7328 | dest_mtime_weight.zone_short_id, dest_mtime_weight.pg_ver, | |
7329 | true /* prepend_meta */, true /* GET */, false /* rgwx-stat */, | |
7330 | true /* sync manifest */, &cb, &in_stream_req); | |
7331 | if (ret < 0) { | |
7332 | goto set_err_state; | |
7333 | } | |
7334 | ||
7335 | ret = conn->complete_request(in_stream_req, etag, &set_mtime, nullptr, req_headers); | |
7336 | if (ret < 0) { | |
7337 | goto set_err_state; | |
7338 | } | |
7339 | if (compressor && compressor->is_compressed()) { | |
7340 | bufferlist tmp; | |
7341 | RGWCompressionInfo cs_info; | |
7342 | cs_info.compression_type = plugin->get_type_name(); | |
7343 | cs_info.orig_size = cb.get_data_len(); | |
7344 | cs_info.blocks = move(compressor->get_compression_blocks()); | |
7345 | ::encode(cs_info, tmp); | |
7346 | cb.get_attrs()[RGW_ATTR_COMPRESSION] = tmp; | |
7347 | } | |
7348 | ||
7349 | if (source_zone.empty()) { /* need to preserve expiration if copy in the same zonegroup */ | |
7350 | cb.get_attrs().erase(RGW_ATTR_DELETE_AT); | |
7351 | } else { | |
7352 | map<string, bufferlist>::iterator iter = cb.get_attrs().find(RGW_ATTR_DELETE_AT); | |
7353 | if (iter != cb.get_attrs().end()) { | |
7354 | try { | |
7355 | ::decode(delete_at, iter->second); | |
7356 | } catch (buffer::error& err) { | |
7357 | ldout(cct, 0) << "ERROR: failed to decode delete_at field in intra zone copy" << dendl; | |
7358 | } | |
7359 | } | |
7360 | } | |
7361 | ||
7362 | if (src_mtime) { | |
7363 | *src_mtime = set_mtime; | |
7364 | } | |
7365 | ||
7366 | if (petag) { | |
7367 | const auto iter = cb.get_attrs().find(RGW_ATTR_ETAG); | |
7368 | if (iter != cb.get_attrs().end()) { | |
7369 | *petag = iter->second; | |
7370 | } | |
7371 | } | |
7372 | ||
7373 | if (source_zone.empty()) { | |
7374 | set_copy_attrs(cb.get_attrs(), attrs, attrs_mod); | |
7375 | } else { | |
7376 | attrs = cb.get_attrs(); | |
7377 | } | |
7378 | ||
7379 | if (copy_if_newer) { | |
7380 | uint64_t pg_ver = 0; | |
7381 | auto i = attrs.find(RGW_ATTR_PG_VER); | |
7382 | if (i != attrs.end() && i->second.length() > 0) { | |
7383 | bufferlist::iterator iter = i->second.begin(); | |
7384 | try { | |
7385 | ::decode(pg_ver, iter); | |
7386 | } catch (buffer::error& err) { | |
7387 | ldout(ctx(), 0) << "ERROR: failed to decode pg ver attribute, ignoring" << dendl; | |
7388 | /* non critical error */ | |
7389 | } | |
7390 | } | |
7391 | set_mtime_weight.init(set_mtime, get_zone_short_id(), pg_ver); | |
7392 | } | |
7393 | ||
7394 | #define MAX_COMPLETE_RETRY 100 | |
7395 | for (i = 0; i < MAX_COMPLETE_RETRY; i++) { | |
7396 | ret = cb.complete(etag, mtime, set_mtime, attrs, delete_at); | |
7397 | if (ret < 0) { | |
7398 | goto set_err_state; | |
7399 | } | |
7400 | if (copy_if_newer && cb.is_canceled()) { | |
7401 | ldout(cct, 20) << "raced with another write of obj: " << dest_obj << dendl; | |
7402 | obj_ctx.obj.invalidate(dest_obj); /* object was overwritten */ | |
7403 | ret = get_obj_state(&obj_ctx, dest_bucket_info, dest_obj, &dest_state, false); | |
7404 | if (ret < 0) { | |
7405 | ldout(cct, 0) << "ERROR: " << __func__ << ": get_err_state() returned ret=" << ret << dendl; | |
7406 | goto set_err_state; | |
7407 | } | |
7408 | dest_mtime_weight.init(dest_state); | |
7409 | dest_mtime_weight.high_precision = high_precision_time; | |
7410 | if (!dest_state->exists || | |
7411 | dest_mtime_weight < set_mtime_weight) { | |
7412 | ldout(cct, 20) << "retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7413 | continue; | |
7414 | } else { | |
7415 | ldout(cct, 20) << "not retrying writing object mtime=" << set_mtime << " dest_state->mtime=" << dest_state->mtime << " dest_state->exists=" << dest_state->exists << dendl; | |
7416 | } | |
7417 | } | |
7418 | break; | |
7419 | } | |
7420 | ||
7421 | if (i == MAX_COMPLETE_RETRY) { | |
7422 | ldout(cct, 0) << "ERROR: retried object completion too many times, something is wrong!" << dendl; | |
7423 | ret = -EIO; | |
7424 | goto set_err_state; | |
7425 | } | |
7426 | ||
7427 | if (opstate) { | |
7428 | ret = opstate->set_state(RGWOpState::OPSTATE_COMPLETE); | |
7429 | if (ret < 0) { | |
7430 | ldout(cct, 0) << "ERROR: failed to set opstate ret=" << ret << dendl; | |
7431 | } | |
7432 | delete opstate; | |
7433 | } | |
7434 | ||
7435 | return 0; | |
7436 | set_err_state: | |
7437 | if (copy_if_newer && ret == -ERR_NOT_MODIFIED) { | |
7438 | ret = 0; | |
7439 | } | |
7440 | if (opstate) { | |
7441 | RGWOpState::OpState state; | |
7442 | if (ret < 0) { | |
7443 | state = RGWOpState::OPSTATE_ERROR; | |
7444 | } else { | |
7445 | state = RGWOpState::OPSTATE_COMPLETE; | |
7446 | } | |
7447 | int r = opstate->set_state(state); | |
7448 | if (r < 0) { | |
7449 | ldout(cct, 0) << "ERROR: failed to set opstate r=" << ret << dendl; | |
7450 | } | |
7451 | delete opstate; | |
7452 | } | |
7453 | return ret; | |
7454 | } | |
7455 | ||
7456 | ||
7457 | int RGWRados::copy_obj_to_remote_dest(RGWObjState *astate, | |
7458 | map<string, bufferlist>& src_attrs, | |
7459 | RGWRados::Object::Read& read_op, | |
7460 | const rgw_user& user_id, | |
7461 | rgw_obj& dest_obj, | |
7462 | real_time *mtime) | |
7463 | { | |
7464 | string etag; | |
7465 | ||
7466 | RGWRESTStreamWriteRequest *out_stream_req; | |
7467 | ||
7468 | int ret = rest_master_conn->put_obj_init(user_id, dest_obj, astate->size, src_attrs, &out_stream_req); | |
7469 | if (ret < 0) { | |
7470 | delete out_stream_req; | |
7471 | return ret; | |
7472 | } | |
7473 | ||
7474 | ret = read_op.iterate(0, astate->size - 1, out_stream_req->get_out_cb()); | |
7475 | if (ret < 0) | |
7476 | return ret; | |
7477 | ||
7478 | ret = rest_master_conn->complete_request(out_stream_req, etag, mtime); | |
7479 | if (ret < 0) | |
7480 | return ret; | |
7481 | ||
7482 | return 0; | |
7483 | } | |
7484 | ||
7485 | /** | |
7486 | * Copy an object. | |
7487 | * dest_obj: the object to copy into | |
7488 | * src_obj: the object to copy from | |
7489 | * attrs: usage depends on attrs_mod parameter | |
7490 | * attrs_mod: the modification mode of the attrs, may have the following values: | |
7491 | * ATTRSMOD_NONE - the attributes of the source object will be | |
7492 | * copied without modifications, attrs parameter is ignored; | |
7493 | * ATTRSMOD_REPLACE - new object will have the attributes provided by attrs | |
7494 | * parameter, source object attributes are not copied; | |
7495 | * ATTRSMOD_MERGE - any conflicting meta keys on the source object's attributes | |
7496 | * are overwritten by values contained in attrs parameter. | |
7497 | * err: stores any errors resulting from the get of the original object | |
7498 | * Returns: 0 on success, -ERR# otherwise. | |
7499 | */ | |
7500 | int RGWRados::copy_obj(RGWObjectCtx& obj_ctx, | |
7501 | const rgw_user& user_id, | |
7502 | const string& client_id, | |
7503 | const string& op_id, | |
7504 | req_info *info, | |
7505 | const string& source_zone, | |
7506 | rgw_obj& dest_obj, | |
7507 | rgw_obj& src_obj, | |
7508 | RGWBucketInfo& dest_bucket_info, | |
7509 | RGWBucketInfo& src_bucket_info, | |
7510 | real_time *src_mtime, | |
7511 | real_time *mtime, | |
7512 | const real_time *mod_ptr, | |
7513 | const real_time *unmod_ptr, | |
7514 | bool high_precision_time, | |
7515 | const char *if_match, | |
7516 | const char *if_nomatch, | |
7517 | AttrsMod attrs_mod, | |
7518 | bool copy_if_newer, | |
7519 | map<string, bufferlist>& attrs, | |
7520 | RGWObjCategory category, | |
7521 | uint64_t olh_epoch, | |
7522 | real_time delete_at, | |
7523 | string *version_id, | |
7524 | string *ptag, | |
7525 | ceph::buffer::list *petag, | |
7526 | struct rgw_err *err, | |
7527 | void (*progress_cb)(off_t, void *), | |
7528 | void *progress_data) | |
7529 | { | |
7530 | int ret; | |
7531 | uint64_t obj_size; | |
7532 | rgw_obj shadow_obj = dest_obj; | |
7533 | string shadow_oid; | |
7534 | ||
7535 | bool remote_src; | |
7536 | bool remote_dest; | |
7537 | ||
7538 | append_rand_alpha(cct, dest_obj.get_oid(), shadow_oid, 32); | |
7539 | shadow_obj.init_ns(dest_obj.bucket, shadow_oid, shadow_ns); | |
7540 | ||
7541 | remote_dest = !get_zonegroup().equals(dest_bucket_info.zonegroup); | |
7542 | remote_src = !get_zonegroup().equals(src_bucket_info.zonegroup); | |
7543 | ||
7544 | if (remote_src && remote_dest) { | |
7545 | ldout(cct, 0) << "ERROR: can't copy object when both src and dest buckets are remote" << dendl; | |
7546 | return -EINVAL; | |
7547 | } | |
7548 | ||
7549 | ldout(cct, 5) << "Copy object " << src_obj.bucket << ":" << src_obj.get_oid() << " => " << dest_obj.bucket << ":" << dest_obj.get_oid() << dendl; | |
7550 | ||
7551 | if (remote_src || !source_zone.empty()) { | |
7552 | return fetch_remote_obj(obj_ctx, user_id, client_id, op_id, true, info, source_zone, | |
7553 | dest_obj, src_obj, dest_bucket_info, src_bucket_info, src_mtime, mtime, mod_ptr, | |
7554 | unmod_ptr, high_precision_time, | |
7555 | if_match, if_nomatch, attrs_mod, copy_if_newer, attrs, category, | |
7556 | olh_epoch, delete_at, version_id, ptag, petag, err, progress_cb, progress_data); | |
7557 | } | |
7558 | ||
7559 | map<string, bufferlist> src_attrs; | |
7560 | RGWRados::Object src_op_target(this, src_bucket_info, obj_ctx, src_obj); | |
7561 | RGWRados::Object::Read read_op(&src_op_target); | |
7562 | ||
7563 | read_op.conds.mod_ptr = mod_ptr; | |
7564 | read_op.conds.unmod_ptr = unmod_ptr; | |
7565 | read_op.conds.high_precision_time = high_precision_time; | |
7566 | read_op.conds.if_match = if_match; | |
7567 | read_op.conds.if_nomatch = if_nomatch; | |
7568 | read_op.params.attrs = &src_attrs; | |
7569 | read_op.params.lastmod = src_mtime; | |
7570 | read_op.params.obj_size = &obj_size; | |
7571 | read_op.params.perr = err; | |
7572 | ||
7573 | ret = read_op.prepare(); | |
7574 | if (ret < 0) { | |
7575 | return ret; | |
7576 | } | |
7577 | ||
7578 | src_attrs[RGW_ATTR_ACL] = attrs[RGW_ATTR_ACL]; | |
7579 | src_attrs.erase(RGW_ATTR_DELETE_AT); | |
7580 | ||
7581 | set_copy_attrs(src_attrs, attrs, attrs_mod); | |
7582 | attrs.erase(RGW_ATTR_ID_TAG); | |
7583 | attrs.erase(RGW_ATTR_PG_VER); | |
7584 | attrs.erase(RGW_ATTR_SOURCE_ZONE); | |
7585 | map<string, bufferlist>::iterator cmp = src_attrs.find(RGW_ATTR_COMPRESSION); | |
7586 | if (cmp != src_attrs.end()) | |
7587 | attrs[RGW_ATTR_COMPRESSION] = cmp->second; | |
7588 | ||
7589 | RGWObjManifest manifest; | |
7590 | RGWObjState *astate = NULL; | |
7591 | ||
7592 | ret = get_obj_state(&obj_ctx, src_bucket_info, src_obj, &astate); | |
7593 | if (ret < 0) { | |
7594 | return ret; | |
7595 | } | |
7596 | ||
7597 | vector<rgw_raw_obj> ref_objs; | |
7598 | ||
7599 | if (remote_dest) { | |
7600 | /* dest is in a different zonegroup, copy it there */ | |
7601 | return copy_obj_to_remote_dest(astate, attrs, read_op, user_id, dest_obj, mtime); | |
7602 | } | |
7603 | uint64_t max_chunk_size; | |
7604 | ||
7605 | ret = get_max_chunk_size(dest_bucket_info.placement_rule, dest_obj, &max_chunk_size); | |
7606 | if (ret < 0) { | |
7607 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for bucket " << dest_obj.bucket << dendl; | |
7608 | return ret; | |
7609 | } | |
7610 | ||
7611 | rgw_pool src_pool; | |
7612 | rgw_pool dest_pool; | |
7613 | if (!get_obj_data_pool(src_bucket_info.placement_rule, src_obj, &src_pool)) { | |
7614 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << src_obj << dendl; | |
7615 | return -EIO; | |
7616 | } | |
7617 | if (!get_obj_data_pool(dest_bucket_info.placement_rule, dest_obj, &dest_pool)) { | |
7618 | ldout(cct, 0) << "ERROR: failed to locate data pool for " << dest_obj << dendl; | |
7619 | return -EIO; | |
7620 | } | |
7621 | ||
7622 | ||
7623 | bool copy_data = !astate->has_manifest || (src_pool != dest_pool); | |
7624 | bool copy_first = false; | |
7625 | if (astate->has_manifest) { | |
7626 | if (!astate->manifest.has_tail()) { | |
7627 | copy_data = true; | |
7628 | } else { | |
7629 | uint64_t head_size = astate->manifest.get_head_size(); | |
7630 | ||
7631 | if (head_size > 0) { | |
7632 | if (head_size > max_chunk_size) { | |
7633 | copy_data = true; | |
7634 | } else { | |
7635 | copy_first = true; | |
7636 | } | |
7637 | } | |
7638 | } | |
7639 | } | |
7640 | ||
7641 | if (petag) { | |
7642 | const auto iter = attrs.find(RGW_ATTR_ETAG); | |
7643 | if (iter != attrs.end()) { | |
7644 | *petag = iter->second; | |
7645 | } | |
7646 | } | |
7647 | ||
7648 | if (copy_data) { /* refcounting tail wouldn't work here, just copy the data */ | |
7649 | return copy_obj_data(obj_ctx, dest_bucket_info, read_op, obj_size - 1, dest_obj, src_obj, | |
7650 | max_chunk_size, mtime, real_time(), attrs, category, olh_epoch, delete_at, | |
7651 | version_id, ptag, petag, err); | |
7652 | } | |
7653 | ||
7654 | RGWObjManifest::obj_iterator miter = astate->manifest.obj_begin(); | |
7655 | ||
7656 | if (copy_first) { // we need to copy first chunk, not increase refcount | |
7657 | ++miter; | |
7658 | } | |
7659 | ||
7660 | rgw_rados_ref ref; | |
7661 | ret = get_raw_obj_ref(miter.get_location().get_raw_obj(this), &ref); | |
7662 | if (ret < 0) { | |
7663 | return ret; | |
7664 | } | |
7665 | ||
7666 | bool versioned_dest = dest_bucket_info.versioning_enabled(); | |
7667 | ||
7668 | if (version_id && !version_id->empty()) { | |
7669 | versioned_dest = true; | |
7670 | dest_obj.key.set_instance(*version_id); | |
7671 | } else if (versioned_dest) { | |
7672 | gen_rand_obj_instance_name(&dest_obj); | |
7673 | } | |
7674 | ||
7675 | bufferlist first_chunk; | |
7676 | ||
7677 | bool copy_itself = (dest_obj == src_obj); | |
7678 | RGWObjManifest *pmanifest; | |
7679 | ldout(cct, 0) << "dest_obj=" << dest_obj << " src_obj=" << src_obj << " copy_itself=" << (int)copy_itself << dendl; | |
7680 | ||
7681 | RGWRados::Object dest_op_target(this, dest_bucket_info, obj_ctx, dest_obj); | |
7682 | RGWRados::Object::Write write_op(&dest_op_target); | |
7683 | ||
7684 | string tag; | |
7685 | ||
7686 | if (ptag) { | |
7687 | tag = *ptag; | |
7688 | } | |
7689 | ||
7690 | if (tag.empty()) { | |
7691 | append_rand_alpha(cct, tag, tag, 32); | |
7692 | } | |
7693 | ||
7694 | if (!copy_itself) { | |
7695 | manifest = astate->manifest; | |
7696 | const rgw_bucket_placement& tail_placement = manifest.get_tail_placement(); | |
7697 | if (tail_placement.bucket.name.empty()) { | |
7698 | manifest.set_tail_placement(tail_placement.placement_rule, src_obj.bucket); | |
7699 | } | |
7700 | string oid, key; | |
7701 | for (; miter != astate->manifest.obj_end(); ++miter) { | |
7702 | ObjectWriteOperation op; | |
7703 | cls_refcount_get(op, tag, true); | |
7704 | const rgw_raw_obj& loc = miter.get_location().get_raw_obj(this); | |
7705 | ref.ioctx.locator_set_key(loc.loc); | |
7706 | ||
7707 | ret = ref.ioctx.operate(loc.oid, &op); | |
7708 | if (ret < 0) { | |
7709 | goto done_ret; | |
7710 | } | |
7711 | ||
7712 | ref_objs.push_back(loc); | |
7713 | } | |
7714 | ||
7715 | pmanifest = &manifest; | |
7716 | } else { | |
7717 | pmanifest = &astate->manifest; | |
7718 | /* don't send the object's tail for garbage collection */ | |
7719 | astate->keep_tail = true; | |
7720 | } | |
7721 | ||
7722 | if (copy_first) { | |
7723 | ret = read_op.read(0, max_chunk_size, first_chunk); | |
7724 | if (ret < 0) { | |
7725 | goto done_ret; | |
7726 | } | |
7727 | ||
7728 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, first_chunk.length()); | |
7729 | } else { | |
7730 | pmanifest->set_head(dest_bucket_info.placement_rule, dest_obj, 0); | |
7731 | } | |
7732 | ||
7733 | write_op.meta.data = &first_chunk; | |
7734 | write_op.meta.manifest = pmanifest; | |
7735 | write_op.meta.ptag = &tag; | |
7736 | write_op.meta.owner = dest_bucket_info.owner; | |
7737 | write_op.meta.mtime = mtime; | |
7738 | write_op.meta.flags = PUT_OBJ_CREATE; | |
7739 | write_op.meta.category = category; | |
7740 | write_op.meta.olh_epoch = olh_epoch; | |
7741 | write_op.meta.delete_at = delete_at; | |
7742 | ||
7743 | ret = write_op.write_meta(obj_size, astate->accounted_size, attrs); | |
7744 | if (ret < 0) { | |
7745 | goto done_ret; | |
7746 | } | |
7747 | ||
7748 | return 0; | |
7749 | ||
7750 | done_ret: | |
7751 | if (!copy_itself) { | |
7752 | vector<rgw_raw_obj>::iterator riter; | |
7753 | ||
7754 | string oid, key; | |
7755 | ||
7756 | /* rollback reference */ | |
7757 | for (riter = ref_objs.begin(); riter != ref_objs.end(); ++riter) { | |
7758 | ObjectWriteOperation op; | |
7759 | cls_refcount_put(op, tag, true); | |
7760 | ||
7761 | ref.ioctx.locator_set_key(riter->loc); | |
7762 | ||
7763 | int r = ref.ioctx.operate(riter->oid, &op); | |
7764 | if (r < 0) { | |
7765 | ldout(cct, 0) << "ERROR: cleanup after error failed to drop reference on obj=" << *riter << dendl; | |
7766 | } | |
7767 | } | |
7768 | } | |
7769 | return ret; | |
7770 | } | |
7771 | ||
7772 | ||
7773 | int RGWRados::copy_obj_data(RGWObjectCtx& obj_ctx, | |
7774 | RGWBucketInfo& dest_bucket_info, | |
7775 | RGWRados::Object::Read& read_op, off_t end, | |
7776 | rgw_obj& dest_obj, | |
7777 | rgw_obj& src_obj, | |
7778 | uint64_t max_chunk_size, | |
7779 | real_time *mtime, | |
7780 | real_time set_mtime, | |
7781 | map<string, bufferlist>& attrs, | |
7782 | RGWObjCategory category, | |
7783 | uint64_t olh_epoch, | |
7784 | real_time delete_at, | |
7785 | string *version_id, | |
7786 | string *ptag, | |
7787 | ceph::buffer::list *petag, | |
7788 | struct rgw_err *err) | |
7789 | { | |
7790 | bufferlist first_chunk; | |
7791 | RGWObjManifest manifest; | |
7792 | ||
7793 | string tag; | |
7794 | append_rand_alpha(cct, tag, tag, 32); | |
7795 | ||
7796 | RGWPutObjProcessor_Atomic processor(obj_ctx, | |
7797 | dest_bucket_info, dest_obj.bucket, dest_obj.get_oid(), | |
7798 | cct->_conf->rgw_obj_stripe_size, tag, dest_bucket_info.versioning_enabled()); | |
7799 | if (version_id) { | |
7800 | processor.set_version_id(*version_id); | |
7801 | } | |
7802 | processor.set_olh_epoch(olh_epoch); | |
7803 | int ret = processor.prepare(this, NULL); | |
7804 | if (ret < 0) | |
7805 | return ret; | |
7806 | ||
7807 | off_t ofs = 0; | |
7808 | ||
7809 | do { | |
7810 | bufferlist bl; | |
7811 | ret = read_op.read(ofs, end, bl); | |
7812 | ||
7813 | uint64_t read_len = ret; | |
7814 | bool again; | |
7815 | ||
7816 | do { | |
7817 | void *handle; | |
7818 | rgw_raw_obj obj; | |
7819 | ||
7820 | ret = processor.handle_data(bl, ofs, &handle, &obj, &again); | |
7821 | if (ret < 0) { | |
7822 | return ret; | |
7823 | } | |
7824 | ret = processor.throttle_data(handle, obj, read_len, false); | |
7825 | if (ret < 0) | |
7826 | return ret; | |
7827 | } while (again); | |
7828 | ||
7829 | ofs += read_len; | |
7830 | } while (ofs <= end); | |
7831 | ||
7832 | string etag; | |
7833 | auto iter = attrs.find(RGW_ATTR_ETAG); | |
7834 | if (iter != attrs.end()) { | |
7835 | bufferlist& bl = iter->second; | |
7836 | etag = string(bl.c_str(), bl.length()); | |
7837 | if (petag) { | |
7838 | *petag = bl; | |
7839 | } | |
7840 | } | |
7841 | ||
7842 | uint64_t accounted_size; | |
7843 | { | |
7844 | bool compressed{false}; | |
7845 | RGWCompressionInfo cs_info; | |
7846 | ret = rgw_compression_info_from_attrset(attrs, compressed, cs_info); | |
7847 | if (ret < 0) { | |
7848 | ldout(cct, 0) << "ERROR: failed to read compression info" << dendl; | |
7849 | return ret; | |
7850 | } | |
7851 | // pass original size if compressed | |
7852 | accounted_size = compressed ? cs_info.orig_size : ofs; | |
7853 | } | |
7854 | ||
7855 | return processor.complete(accounted_size, etag, mtime, set_mtime, attrs, delete_at); | |
7856 | } | |
7857 | ||
7858 | bool RGWRados::is_meta_master() | |
7859 | { | |
7860 | if (!get_zonegroup().is_master) { | |
7861 | return false; | |
7862 | } | |
7863 | ||
7864 | return (get_zonegroup().master_zone == zone_public_config.id); | |
7865 | } | |
7866 | ||
7867 | /** | |
7868 | * Check to see if the bucket metadata could be synced | |
7869 | * bucket: the bucket to check | |
7870 | * Returns false is the bucket is not synced | |
7871 | */ | |
7872 | bool RGWRados::is_syncing_bucket_meta(const rgw_bucket& bucket) | |
7873 | { | |
7874 | ||
7875 | /* no current period */ | |
7876 | if (current_period.get_id().empty()) { | |
7877 | return false; | |
7878 | } | |
7879 | ||
7880 | /* zonegroup is not master zonegroup */ | |
7881 | if (!get_zonegroup().is_master) { | |
7882 | return false; | |
7883 | } | |
7884 | ||
7885 | /* single zonegroup and a single zone */ | |
7886 | if (current_period.is_single_zonegroup(cct, this) && get_zonegroup().zones.size() == 1) { | |
7887 | return false; | |
7888 | } | |
7889 | ||
7890 | /* zone is not master */ | |
7891 | if (get_zonegroup().master_zone.compare(zone_public_config.id) != 0) { | |
7892 | return false; | |
7893 | } | |
7894 | ||
7895 | return true; | |
7896 | } | |
7897 | ||
7898 | int RGWRados::check_bucket_empty(RGWBucketInfo& bucket_info) | |
7899 | { | |
7900 | std::map<string, rgw_bucket_dir_entry> ent_map; | |
7901 | rgw_obj_index_key marker; | |
7902 | string prefix; | |
7903 | bool is_truncated; | |
7904 | ||
7905 | do { | |
7906 | #define NUM_ENTRIES 1000 | |
7907 | int r = cls_bucket_list(bucket_info, RGW_NO_SHARD, marker, prefix, NUM_ENTRIES, true, ent_map, | |
7908 | &is_truncated, &marker); | |
7909 | if (r < 0) | |
7910 | return r; | |
7911 | ||
7912 | string ns; | |
7913 | std::map<string, rgw_bucket_dir_entry>::iterator eiter; | |
7914 | for (eiter = ent_map.begin(); eiter != ent_map.end(); ++eiter) { | |
7915 | rgw_obj_key obj; | |
7916 | ||
7917 | if (rgw_obj_key::oid_to_key_in_ns(eiter->second.key.name, &obj, ns)) | |
7918 | return -ENOTEMPTY; | |
7919 | } | |
7920 | } while (is_truncated); | |
7921 | return 0; | |
7922 | } | |
7923 | ||
7924 | /** | |
7925 | * Delete a bucket. | |
7926 | * bucket: the name of the bucket to delete | |
7927 | * Returns 0 on success, -ERR# otherwise. | |
7928 | */ | |
7929 | int RGWRados::delete_bucket(RGWBucketInfo& bucket_info, RGWObjVersionTracker& objv_tracker, bool check_empty) | |
7930 | { | |
7931 | const rgw_bucket& bucket = bucket_info.bucket; | |
7932 | librados::IoCtx index_ctx; | |
7933 | map<int, string> bucket_objs; | |
7934 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
7935 | if (r < 0) | |
7936 | return r; | |
7937 | ||
7938 | if (check_empty) { | |
7939 | r = check_bucket_empty(bucket_info); | |
7940 | if (r < 0) { | |
7941 | return r; | |
7942 | } | |
7943 | } | |
7944 | ||
7945 | r = rgw_bucket_delete_bucket_obj(this, bucket.tenant, bucket.name, objv_tracker); | |
7946 | if (r < 0) | |
7947 | return r; | |
7948 | ||
7949 | /* if the bucket is not synced we can remove the meta file */ | |
7950 | if (!is_syncing_bucket_meta(bucket)) { | |
7951 | RGWObjVersionTracker objv_tracker; | |
7952 | string entry = bucket.get_key(); | |
7953 | r= rgw_bucket_instance_remove_entry(this, entry, &objv_tracker); | |
7954 | if (r < 0) { | |
7955 | return r; | |
7956 | } | |
7957 | /* remove bucket index objects*/ | |
7958 | map<int, string>::const_iterator biter; | |
7959 | for (biter = bucket_objs.begin(); biter != bucket_objs.end(); ++biter) { | |
7960 | index_ctx.remove(biter->second); | |
7961 | } | |
7962 | } | |
7963 | return 0; | |
7964 | } | |
7965 | ||
7966 | int RGWRados::set_bucket_owner(rgw_bucket& bucket, ACLOwner& owner) | |
7967 | { | |
7968 | RGWBucketInfo info; | |
7969 | map<string, bufferlist> attrs; | |
7970 | RGWObjectCtx obj_ctx(this); | |
7971 | int r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
7972 | if (r < 0) { | |
7973 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
7974 | return r; | |
7975 | } | |
7976 | ||
7977 | info.owner = owner.get_id(); | |
7978 | ||
7979 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
7980 | if (r < 0) { | |
7981 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << dendl; | |
7982 | return r; | |
7983 | } | |
7984 | ||
7985 | return 0; | |
7986 | } | |
7987 | ||
7988 | ||
7989 | int RGWRados::set_buckets_enabled(vector<rgw_bucket>& buckets, bool enabled) | |
7990 | { | |
7991 | int ret = 0; | |
7992 | ||
7993 | vector<rgw_bucket>::iterator iter; | |
7994 | ||
7995 | for (iter = buckets.begin(); iter != buckets.end(); ++iter) { | |
7996 | rgw_bucket& bucket = *iter; | |
7997 | if (enabled) | |
7998 | ldout(cct, 20) << "enabling bucket name=" << bucket.name << dendl; | |
7999 | else | |
8000 | ldout(cct, 20) << "disabling bucket name=" << bucket.name << dendl; | |
8001 | ||
8002 | RGWBucketInfo info; | |
8003 | map<string, bufferlist> attrs; | |
8004 | RGWObjectCtx obj_ctx(this); | |
8005 | int r = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL, &attrs); | |
8006 | if (r < 0) { | |
8007 | ldout(cct, 0) << "NOTICE: get_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8008 | ret = r; | |
8009 | continue; | |
8010 | } | |
8011 | if (enabled) { | |
8012 | info.flags &= ~BUCKET_SUSPENDED; | |
8013 | } else { | |
8014 | info.flags |= BUCKET_SUSPENDED; | |
8015 | } | |
8016 | ||
8017 | r = put_bucket_instance_info(info, false, real_time(), &attrs); | |
8018 | if (r < 0) { | |
8019 | ldout(cct, 0) << "NOTICE: put_bucket_info on bucket=" << bucket.name << " returned err=" << r << ", skipping bucket" << dendl; | |
8020 | ret = r; | |
8021 | continue; | |
8022 | } | |
8023 | } | |
8024 | return ret; | |
8025 | } | |
8026 | ||
8027 | int RGWRados::bucket_suspended(rgw_bucket& bucket, bool *suspended) | |
8028 | { | |
8029 | RGWBucketInfo bucket_info; | |
8030 | RGWObjectCtx obj_ctx(this); | |
8031 | int ret = get_bucket_info(obj_ctx, bucket.tenant, bucket.name, bucket_info, NULL); | |
8032 | if (ret < 0) { | |
8033 | return ret; | |
8034 | } | |
8035 | ||
8036 | *suspended = ((bucket_info.flags & BUCKET_SUSPENDED) != 0); | |
8037 | return 0; | |
8038 | } | |
8039 | ||
8040 | int RGWRados::Object::complete_atomic_modification() | |
8041 | { | |
8042 | if (!state->has_manifest || state->keep_tail) | |
8043 | return 0; | |
8044 | ||
8045 | cls_rgw_obj_chain chain; | |
8046 | store->update_gc_chain(obj, state->manifest, &chain); | |
8047 | ||
8048 | if (chain.empty()) { | |
8049 | return 0; | |
8050 | } | |
8051 | ||
8052 | string tag = state->obj_tag.to_str(); | |
8053 | return store->gc->send_chain(chain, tag, false); // do it async | |
8054 | } | |
8055 | ||
8056 | void RGWRados::update_gc_chain(rgw_obj& head_obj, RGWObjManifest& manifest, cls_rgw_obj_chain *chain) | |
8057 | { | |
8058 | RGWObjManifest::obj_iterator iter; | |
8059 | rgw_raw_obj raw_head; | |
8060 | obj_to_raw(manifest.get_head_placement_rule(), head_obj, &raw_head); | |
8061 | for (iter = manifest.obj_begin(); iter != manifest.obj_end(); ++iter) { | |
8062 | const rgw_raw_obj& mobj = iter.get_location().get_raw_obj(this); | |
8063 | if (mobj == raw_head) | |
8064 | continue; | |
8065 | cls_rgw_obj_key key(mobj.oid); | |
8066 | chain->push_obj(mobj.pool.to_str(), key, mobj.loc); | |
8067 | } | |
8068 | } | |
8069 | ||
8070 | int RGWRados::send_chain_to_gc(cls_rgw_obj_chain& chain, const string& tag, bool sync) | |
8071 | { | |
8072 | return gc->send_chain(chain, tag, sync); | |
8073 | } | |
8074 | ||
8075 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, string& bucket_oid) | |
8076 | { | |
8077 | const rgw_bucket& bucket = bucket_info.bucket; | |
8078 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8079 | if (r < 0) | |
8080 | return r; | |
8081 | ||
8082 | if (bucket.bucket_id.empty()) { | |
8083 | ldout(cct, 0) << "ERROR: empty bucket id for bucket operation" << dendl; | |
8084 | return -EIO; | |
8085 | } | |
8086 | ||
8087 | bucket_oid = dir_oid_prefix; | |
8088 | bucket_oid.append(bucket.bucket_id); | |
8089 | ||
8090 | return 0; | |
8091 | } | |
8092 | ||
8093 | int RGWRados::open_bucket_index_base(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8094 | string& bucket_oid_base) { | |
8095 | const rgw_bucket& bucket = bucket_info.bucket; | |
8096 | int r = open_bucket_index_ctx(bucket_info, index_ctx); | |
8097 | if (r < 0) | |
8098 | return r; | |
8099 | ||
8100 | if (bucket.bucket_id.empty()) { | |
8101 | ldout(cct, 0) << "ERROR: empty bucket_id for bucket operation" << dendl; | |
8102 | return -EIO; | |
8103 | } | |
8104 | ||
8105 | bucket_oid_base = dir_oid_prefix; | |
8106 | bucket_oid_base.append(bucket.bucket_id); | |
8107 | ||
8108 | return 0; | |
8109 | ||
8110 | } | |
8111 | ||
8112 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8113 | map<int, string>& bucket_objs, int shard_id, map<int, string> *bucket_instance_ids) { | |
8114 | string bucket_oid_base; | |
8115 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8116 | if (ret < 0) { | |
8117 | return ret; | |
8118 | } | |
8119 | ||
8120 | get_bucket_index_objects(bucket_oid_base, bucket_info.num_shards, bucket_objs, shard_id); | |
8121 | if (bucket_instance_ids) { | |
8122 | get_bucket_instance_ids(bucket_info, shard_id, bucket_instance_ids); | |
8123 | } | |
8124 | return 0; | |
8125 | } | |
8126 | ||
8127 | template<typename T> | |
8128 | int RGWRados::open_bucket_index(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8129 | map<int, string>& oids, map<int, T>& bucket_objs, | |
8130 | int shard_id, map<int, string> *bucket_instance_ids) | |
8131 | { | |
8132 | int ret = open_bucket_index(bucket_info, index_ctx, oids, shard_id, bucket_instance_ids); | |
8133 | if (ret < 0) | |
8134 | return ret; | |
8135 | ||
8136 | map<int, string>::const_iterator iter = oids.begin(); | |
8137 | for (; iter != oids.end(); ++iter) { | |
8138 | bucket_objs[iter->first] = T(); | |
8139 | } | |
8140 | return 0; | |
8141 | } | |
8142 | ||
8143 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8144 | const string& obj_key, string *bucket_obj, int *shard_id) | |
8145 | { | |
8146 | string bucket_oid_base; | |
8147 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8148 | if (ret < 0) | |
8149 | return ret; | |
8150 | ||
8151 | RGWObjectCtx obj_ctx(this); | |
8152 | ||
8153 | ret = get_bucket_index_object(bucket_oid_base, obj_key, bucket_info.num_shards, | |
8154 | (RGWBucketInfo::BIShardsHashType)bucket_info.bucket_index_shard_hash_type, bucket_obj, shard_id); | |
8155 | if (ret < 0) { | |
8156 | ldout(cct, 10) << "get_bucket_index_object() returned ret=" << ret << dendl; | |
8157 | return ret; | |
8158 | } | |
8159 | return 0; | |
8160 | } | |
8161 | ||
8162 | int RGWRados::open_bucket_index_shard(const RGWBucketInfo& bucket_info, librados::IoCtx& index_ctx, | |
8163 | int shard_id, string *bucket_obj) | |
8164 | { | |
8165 | string bucket_oid_base; | |
8166 | int ret = open_bucket_index_base(bucket_info, index_ctx, bucket_oid_base); | |
8167 | if (ret < 0) | |
8168 | return ret; | |
8169 | ||
8170 | RGWObjectCtx obj_ctx(this); | |
8171 | ||
8172 | get_bucket_index_object(bucket_oid_base, bucket_info.num_shards, | |
8173 | shard_id, bucket_obj); | |
8174 | return 0; | |
8175 | } | |
8176 | ||
8177 | static void accumulate_raw_stats(const rgw_bucket_dir_header& header, | |
8178 | map<RGWObjCategory, RGWStorageStats>& stats) | |
8179 | { | |
8180 | for (const auto& pair : header.stats) { | |
8181 | const RGWObjCategory category = static_cast<RGWObjCategory>(pair.first); | |
8182 | const rgw_bucket_category_stats& header_stats = pair.second; | |
8183 | ||
8184 | RGWStorageStats& s = stats[category]; | |
8185 | ||
8186 | s.category = category; | |
8187 | s.size += header_stats.total_size; | |
8188 | s.size_rounded += header_stats.total_size_rounded; | |
8189 | s.size_utilized += header_stats.actual_size; | |
8190 | s.num_objects += header_stats.num_entries; | |
8191 | } | |
8192 | } | |
8193 | ||
8194 | int RGWRados::bucket_check_index(RGWBucketInfo& bucket_info, | |
8195 | map<RGWObjCategory, RGWStorageStats> *existing_stats, | |
8196 | map<RGWObjCategory, RGWStorageStats> *calculated_stats) | |
8197 | { | |
8198 | librados::IoCtx index_ctx; | |
8199 | // key - bucket index object id | |
8200 | // value - bucket index check OP returned result with the given bucket index object (shard) | |
8201 | map<int, string> oids; | |
8202 | map<int, struct rgw_cls_check_index_ret> bucket_objs_ret; | |
8203 | int ret = open_bucket_index(bucket_info, index_ctx, oids, bucket_objs_ret); | |
8204 | if (ret < 0) | |
8205 | return ret; | |
8206 | ||
8207 | ret = CLSRGWIssueBucketCheck(index_ctx, oids, bucket_objs_ret, cct->_conf->rgw_bucket_index_max_aio)(); | |
8208 | if (ret < 0) | |
8209 | return ret; | |
8210 | ||
8211 | // Aggregate results (from different shards if there is any) | |
8212 | map<int, struct rgw_cls_check_index_ret>::iterator iter; | |
8213 | for (iter = bucket_objs_ret.begin(); iter != bucket_objs_ret.end(); ++iter) { | |
8214 | accumulate_raw_stats(iter->second.existing_header, *existing_stats); | |
8215 | accumulate_raw_stats(iter->second.calculated_header, *calculated_stats); | |
8216 | } | |
8217 | ||
8218 | return 0; | |
8219 | } | |
8220 | ||
8221 | int RGWRados::bucket_rebuild_index(RGWBucketInfo& bucket_info) | |
8222 | { | |
8223 | librados::IoCtx index_ctx; | |
8224 | map<int, string> bucket_objs; | |
8225 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
8226 | if (r < 0) | |
8227 | return r; | |
8228 | ||
8229 | return CLSRGWIssueBucketRebuild(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio)(); | |
8230 | } | |
8231 | ||
8232 | ||
8233 | int RGWRados::defer_gc(void *ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj) | |
8234 | { | |
8235 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
8236 | std::string oid, key; | |
8237 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8238 | if (!rctx) | |
8239 | return 0; | |
8240 | ||
8241 | RGWObjState *state = NULL; | |
8242 | ||
8243 | int r = get_obj_state(rctx, bucket_info, obj, &state, false); | |
8244 | if (r < 0) | |
8245 | return r; | |
8246 | ||
8247 | if (!state->is_atomic) { | |
8248 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not deferring gc operation" << dendl; | |
8249 | return -EINVAL; | |
8250 | } | |
8251 | ||
8252 | if (state->obj_tag.length() == 0) {// check for backward compatibility | |
8253 | ldout(cct, 20) << "state->obj_tag is empty, not deferring gc operation" << dendl; | |
8254 | return -EINVAL; | |
8255 | } | |
8256 | ||
8257 | string tag = state->obj_tag.c_str(); | |
8258 | ||
8259 | ldout(cct, 0) << "defer chain tag=" << tag << dendl; | |
8260 | ||
8261 | return gc->defer_chain(tag, false); | |
8262 | } | |
8263 | ||
8264 | void RGWRados::remove_rgw_head_obj(ObjectWriteOperation& op) | |
8265 | { | |
8266 | list<string> prefixes; | |
8267 | prefixes.push_back(RGW_ATTR_OLH_PREFIX); | |
8268 | cls_rgw_remove_obj(op, prefixes); | |
8269 | } | |
8270 | ||
8271 | void RGWRados::cls_obj_check_prefix_exist(ObjectOperation& op, const string& prefix, bool fail_if_exist) | |
8272 | { | |
8273 | cls_rgw_obj_check_attrs_prefix(op, prefix, fail_if_exist); | |
8274 | } | |
8275 | ||
8276 | void RGWRados::cls_obj_check_mtime(ObjectOperation& op, const real_time& mtime, bool high_precision_time, RGWCheckMTimeType type) | |
8277 | { | |
8278 | cls_rgw_obj_check_mtime(op, mtime, high_precision_time, type); | |
8279 | } | |
8280 | ||
8281 | ||
8282 | /** | |
8283 | * Delete an object. | |
8284 | * bucket: name of the bucket storing the object | |
8285 | * obj: name of the object to delete | |
8286 | * Returns: 0 on success, -ERR# otherwise. | |
8287 | */ | |
8288 | int RGWRados::Object::Delete::delete_obj() | |
8289 | { | |
8290 | RGWRados *store = target->get_store(); | |
8291 | rgw_obj& src_obj = target->get_obj(); | |
8292 | const string& instance = src_obj.key.instance; | |
8293 | rgw_obj obj = src_obj; | |
8294 | ||
8295 | if (instance == "null") { | |
8296 | obj.key.instance.clear(); | |
8297 | } | |
8298 | ||
8299 | bool explicit_marker_version = (!params.marker_version_id.empty()); | |
8300 | ||
8301 | if (params.versioning_status & BUCKET_VERSIONED || explicit_marker_version) { | |
8302 | if (instance.empty() || explicit_marker_version) { | |
8303 | rgw_obj marker = obj; | |
8304 | ||
8305 | if (!params.marker_version_id.empty()) { | |
8306 | if (params.marker_version_id != "null") { | |
8307 | marker.key.set_instance(params.marker_version_id); | |
8308 | } | |
8309 | } else if ((params.versioning_status & BUCKET_VERSIONS_SUSPENDED) == 0) { | |
8310 | store->gen_rand_obj_instance_name(&marker); | |
8311 | } | |
8312 | ||
8313 | result.version_id = marker.key.instance; | |
8314 | result.delete_marker = true; | |
8315 | ||
8316 | struct rgw_bucket_dir_entry_meta meta; | |
8317 | ||
8318 | meta.owner = params.obj_owner.get_id().to_str(); | |
8319 | meta.owner_display_name = params.obj_owner.get_display_name(); | |
8320 | ||
8321 | if (real_clock::is_zero(params.mtime)) { | |
8322 | meta.mtime = real_clock::now(); | |
8323 | } else { | |
8324 | meta.mtime = params.mtime; | |
8325 | } | |
8326 | ||
8327 | 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); | |
8328 | if (r < 0) { | |
8329 | return r; | |
8330 | } | |
8331 | } else { | |
8332 | rgw_bucket_dir_entry dirent; | |
8333 | ||
8334 | int r = store->bi_get_instance(target->get_bucket_info(), obj, &dirent); | |
8335 | if (r < 0) { | |
8336 | return r; | |
8337 | } | |
8338 | result.delete_marker = dirent.is_delete_marker(); | |
8339 | r = store->unlink_obj_instance(target->get_ctx(), target->get_bucket_info(), obj, params.olh_epoch); | |
8340 | if (r < 0) { | |
8341 | return r; | |
8342 | } | |
8343 | result.version_id = instance; | |
8344 | } | |
8345 | ||
8346 | BucketShard *bs; | |
8347 | int r = target->get_bucket_shard(&bs); | |
8348 | if (r < 0) { | |
8349 | ldout(store->ctx(), 5) << "failed to get BucketShard object: r=" << r << dendl; | |
8350 | return r; | |
8351 | } | |
8352 | ||
8353 | r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
8354 | if (r < 0) { | |
8355 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
8356 | return r; | |
8357 | } | |
8358 | ||
8359 | return 0; | |
8360 | } | |
8361 | ||
8362 | rgw_rados_ref ref; | |
8363 | int r = store->get_obj_head_ref(target->get_bucket_info(), obj, &ref); | |
8364 | if (r < 0) { | |
8365 | return r; | |
8366 | } | |
8367 | ||
8368 | RGWObjState *state; | |
8369 | r = target->get_state(&state, false); | |
8370 | if (r < 0) | |
8371 | return r; | |
8372 | ||
8373 | ObjectWriteOperation op; | |
8374 | ||
8375 | if (!real_clock::is_zero(params.unmod_since)) { | |
8376 | struct timespec ctime = ceph::real_clock::to_timespec(state->mtime); | |
8377 | struct timespec unmod = ceph::real_clock::to_timespec(params.unmod_since); | |
8378 | if (!params.high_precision_time) { | |
8379 | ctime.tv_nsec = 0; | |
8380 | unmod.tv_nsec = 0; | |
8381 | } | |
8382 | ||
8383 | ldout(store->ctx(), 10) << "If-UnModified-Since: " << params.unmod_since << " Last-Modified: " << ctime << dendl; | |
8384 | if (ctime > unmod) { | |
8385 | return -ERR_PRECONDITION_FAILED; | |
8386 | } | |
8387 | ||
8388 | /* only delete object if mtime is less than or equal to params.unmod_since */ | |
8389 | store->cls_obj_check_mtime(op, params.unmod_since, params.high_precision_time, CLS_RGW_CHECK_TIME_MTIME_LE); | |
8390 | } | |
8391 | uint64_t obj_size = state->size; | |
8392 | ||
8393 | if (!real_clock::is_zero(params.expiration_time)) { | |
8394 | bufferlist bl; | |
8395 | real_time delete_at; | |
8396 | ||
8397 | if (state->get_attr(RGW_ATTR_DELETE_AT, bl)) { | |
8398 | try { | |
8399 | bufferlist::iterator iter = bl.begin(); | |
8400 | ::decode(delete_at, iter); | |
8401 | } catch (buffer::error& err) { | |
8402 | ldout(store->ctx(), 0) << "ERROR: couldn't decode RGW_ATTR_DELETE_AT" << dendl; | |
8403 | return -EIO; | |
8404 | } | |
8405 | ||
8406 | if (params.expiration_time != delete_at) { | |
8407 | return -ERR_PRECONDITION_FAILED; | |
8408 | } | |
8409 | } else { | |
8410 | return -ERR_PRECONDITION_FAILED; | |
8411 | } | |
8412 | } | |
8413 | ||
8414 | if (!state->exists) { | |
8415 | target->invalidate_state(); | |
8416 | return -ENOENT; | |
8417 | } | |
8418 | ||
8419 | r = target->prepare_atomic_modification(op, false, NULL, NULL, NULL, true); | |
8420 | if (r < 0) | |
8421 | return r; | |
8422 | ||
8423 | RGWBucketInfo& bucket_info = target->get_bucket_info(); | |
8424 | ||
8425 | RGWRados::Bucket bop(store, bucket_info); | |
8426 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
8427 | ||
8428 | index_op.set_bilog_flags(params.bilog_flags); | |
8429 | ||
8430 | ||
8431 | r = index_op.prepare(CLS_RGW_OP_DEL, &state->write_tag); | |
8432 | if (r < 0) | |
8433 | return r; | |
8434 | ||
8435 | store->remove_rgw_head_obj(op); | |
8436 | r = ref.ioctx.operate(ref.oid, &op); | |
8437 | bool need_invalidate = false; | |
8438 | if (r == -ECANCELED) { | |
8439 | /* raced with another operation, we can regard it as removed */ | |
8440 | need_invalidate = true; | |
8441 | r = 0; | |
8442 | } | |
8443 | bool removed = (r >= 0); | |
8444 | ||
8445 | int64_t poolid = ref.ioctx.get_id(); | |
8446 | if (r >= 0) { | |
8447 | tombstone_cache_t *obj_tombstone_cache = store->get_tombstone_cache(); | |
8448 | if (obj_tombstone_cache) { | |
8449 | tombstone_entry entry{*state}; | |
8450 | obj_tombstone_cache->add(obj, entry); | |
8451 | } | |
8452 | r = index_op.complete_del(poolid, ref.ioctx.get_last_version(), state->mtime, params.remove_objs); | |
8453 | } else { | |
8454 | int ret = index_op.cancel(); | |
8455 | if (ret < 0) { | |
8456 | ldout(store->ctx(), 0) << "ERROR: index_op.cancel() returned ret=" << ret << dendl; | |
8457 | } | |
8458 | } | |
8459 | if (removed) { | |
8460 | int ret = target->complete_atomic_modification(); | |
8461 | if (ret < 0) { | |
8462 | ldout(store->ctx(), 0) << "ERROR: complete_atomic_modification returned ret=" << ret << dendl; | |
8463 | } | |
8464 | /* other than that, no need to propagate error */ | |
8465 | } | |
8466 | ||
8467 | if (need_invalidate) { | |
8468 | target->invalidate_state(); | |
8469 | } | |
8470 | ||
8471 | if (r < 0) | |
8472 | return r; | |
8473 | ||
8474 | /* update quota cache */ | |
8475 | store->quota_handler->update_stats(params.bucket_owner, obj.bucket, -1, 0, obj_size); | |
8476 | ||
8477 | return 0; | |
8478 | } | |
8479 | ||
8480 | int RGWRados::delete_obj(RGWObjectCtx& obj_ctx, | |
8481 | const RGWBucketInfo& bucket_info, | |
8482 | const rgw_obj& obj, | |
8483 | int versioning_status, | |
8484 | uint16_t bilog_flags, | |
8485 | const real_time& expiration_time) | |
8486 | { | |
8487 | RGWRados::Object del_target(this, bucket_info, obj_ctx, obj); | |
8488 | RGWRados::Object::Delete del_op(&del_target); | |
8489 | ||
8490 | del_op.params.bucket_owner = bucket_info.owner; | |
8491 | del_op.params.versioning_status = versioning_status; | |
8492 | del_op.params.bilog_flags = bilog_flags; | |
8493 | del_op.params.expiration_time = expiration_time; | |
8494 | ||
8495 | return del_op.delete_obj(); | |
8496 | } | |
8497 | ||
8498 | int RGWRados::delete_raw_obj(const rgw_raw_obj& obj) | |
8499 | { | |
8500 | rgw_rados_ref ref; | |
8501 | rgw_pool pool; | |
8502 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
8503 | if (r < 0) { | |
8504 | return r; | |
8505 | } | |
8506 | ||
8507 | ObjectWriteOperation op; | |
8508 | ||
8509 | op.remove(); | |
8510 | r = ref.ioctx.operate(ref.oid, &op); | |
8511 | if (r < 0) | |
8512 | return r; | |
8513 | ||
8514 | return 0; | |
8515 | } | |
8516 | ||
8517 | int RGWRados::delete_system_obj(rgw_raw_obj& obj, RGWObjVersionTracker *objv_tracker) | |
8518 | { | |
8519 | if (obj.empty()) { | |
8520 | ldout(cct, 1) << "delete_system_obj got empty object name " | |
8521 | << obj << ", returning EINVAL" << dendl; | |
8522 | return -EINVAL; | |
8523 | } | |
8524 | rgw_rados_ref ref; | |
8525 | rgw_pool pool; | |
8526 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
8527 | if (r < 0) { | |
8528 | return r; | |
8529 | } | |
8530 | ||
8531 | ObjectWriteOperation op; | |
8532 | ||
8533 | if (objv_tracker) { | |
8534 | objv_tracker->prepare_op_for_write(&op); | |
8535 | } | |
8536 | ||
8537 | op.remove(); | |
8538 | r = ref.ioctx.operate(ref.oid, &op); | |
8539 | if (r < 0) | |
8540 | return r; | |
8541 | ||
8542 | return 0; | |
8543 | } | |
8544 | ||
8545 | int RGWRados::delete_obj_index(const rgw_obj& obj) | |
8546 | { | |
8547 | std::string oid, key; | |
8548 | get_obj_bucket_and_oid_loc(obj, oid, key); | |
8549 | ||
8550 | RGWObjectCtx obj_ctx(this); | |
8551 | ||
8552 | RGWBucketInfo bucket_info; | |
8553 | int ret = get_bucket_instance_info(obj_ctx, obj.bucket, bucket_info, NULL, NULL); | |
8554 | if (ret < 0) { | |
8555 | ldout(cct, 0) << "ERROR: " << __func__ << "() get_bucket_instance_info(bucket=" << obj.bucket << ") returned ret=" << ret << dendl; | |
8556 | return ret; | |
8557 | } | |
8558 | ||
8559 | RGWRados::Bucket bop(this, bucket_info); | |
8560 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
8561 | ||
8562 | real_time removed_mtime; | |
8563 | int r = index_op.complete_del(-1 /* pool */, 0, removed_mtime, NULL); | |
8564 | ||
8565 | return r; | |
8566 | } | |
8567 | ||
8568 | static void generate_fake_tag(RGWRados *store, map<string, bufferlist>& attrset, RGWObjManifest& manifest, bufferlist& manifest_bl, bufferlist& tag_bl) | |
8569 | { | |
8570 | string tag; | |
8571 | ||
8572 | RGWObjManifest::obj_iterator mi = manifest.obj_begin(); | |
8573 | if (mi != manifest.obj_end()) { | |
8574 | if (manifest.has_tail()) // first object usually points at the head, let's skip to a more unique part | |
8575 | ++mi; | |
8576 | tag = mi.get_location().get_raw_obj(store).oid; | |
8577 | tag.append("_"); | |
8578 | } | |
8579 | ||
8580 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
8581 | char md5_str[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; | |
8582 | MD5 hash; | |
8583 | hash.Update((const byte *)manifest_bl.c_str(), manifest_bl.length()); | |
8584 | ||
8585 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_ETAG); | |
8586 | if (iter != attrset.end()) { | |
8587 | bufferlist& bl = iter->second; | |
8588 | hash.Update((const byte *)bl.c_str(), bl.length()); | |
8589 | } | |
8590 | ||
8591 | hash.Final(md5); | |
8592 | buf_to_hex(md5, CEPH_CRYPTO_MD5_DIGESTSIZE, md5_str); | |
8593 | tag.append(md5_str); | |
8594 | ||
8595 | ldout(store->ctx(), 10) << "generate_fake_tag new tag=" << tag << dendl; | |
8596 | ||
8597 | tag_bl.append(tag.c_str(), tag.size() + 1); | |
8598 | } | |
8599 | ||
8600 | static bool is_olh(map<string, bufferlist>& attrs) | |
8601 | { | |
8602 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_INFO); | |
8603 | return (iter != attrs.end()); | |
8604 | } | |
8605 | ||
8606 | static bool has_olh_tag(map<string, bufferlist>& attrs) | |
8607 | { | |
8608 | map<string, bufferlist>::iterator iter = attrs.find(RGW_ATTR_OLH_ID_TAG); | |
8609 | return (iter != attrs.end()); | |
8610 | } | |
8611 | ||
8612 | int RGWRados::get_olh_target_state(RGWObjectCtx& obj_ctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
8613 | RGWObjState *olh_state, RGWObjState **target_state) | |
8614 | { | |
8615 | assert(olh_state->is_olh); | |
8616 | ||
8617 | rgw_obj target; | |
8618 | int r = RGWRados::follow_olh(bucket_info, obj_ctx, olh_state, obj, &target); /* might return -EAGAIN */ | |
8619 | if (r < 0) { | |
8620 | return r; | |
8621 | } | |
8622 | r = get_obj_state(&obj_ctx, bucket_info, target, target_state, false); | |
8623 | if (r < 0) { | |
8624 | return r; | |
8625 | } | |
8626 | ||
8627 | return 0; | |
8628 | } | |
8629 | ||
8630 | int RGWRados::get_system_obj_state_impl(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
8631 | { | |
8632 | if (obj.empty()) { | |
8633 | return -EINVAL; | |
8634 | } | |
8635 | ||
8636 | RGWRawObjState *s = rctx->raw.get_state(obj); | |
8637 | ldout(cct, 20) << "get_system_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
8638 | *state = s; | |
8639 | if (s->has_attrs) { | |
8640 | return 0; | |
8641 | } | |
8642 | ||
8643 | s->obj = obj; | |
8644 | ||
8645 | int r = raw_obj_stat(obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), objv_tracker); | |
8646 | if (r == -ENOENT) { | |
8647 | s->exists = false; | |
8648 | s->has_attrs = true; | |
8649 | s->mtime = real_time(); | |
8650 | return 0; | |
8651 | } | |
8652 | if (r < 0) | |
8653 | return r; | |
8654 | ||
8655 | s->exists = true; | |
8656 | s->has_attrs = true; | |
8657 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
8658 | ||
8659 | if (s->obj_tag.length()) | |
8660 | ldout(cct, 20) << "get_system_obj_state: setting s->obj_tag to " | |
8661 | << string(s->obj_tag.c_str(), s->obj_tag.length()) << dendl; | |
8662 | else | |
8663 | ldout(cct, 20) << "get_system_obj_state: s->obj_tag was set empty" << dendl; | |
8664 | ||
8665 | return 0; | |
8666 | } | |
8667 | ||
8668 | int RGWRados::get_system_obj_state(RGWObjectCtx *rctx, rgw_raw_obj& obj, RGWRawObjState **state, RGWObjVersionTracker *objv_tracker) | |
8669 | { | |
8670 | int ret; | |
8671 | ||
8672 | do { | |
8673 | ret = get_system_obj_state_impl(rctx, obj, state, objv_tracker); | |
8674 | } while (ret == -EAGAIN); | |
8675 | ||
8676 | return ret; | |
8677 | } | |
8678 | ||
8679 | int RGWRados::get_obj_state_impl(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
8680 | RGWObjState **state, bool follow_olh, bool assume_noent) | |
8681 | { | |
8682 | if (obj.empty()) { | |
8683 | return -EINVAL; | |
8684 | } | |
8685 | ||
8686 | bool need_follow_olh = follow_olh && obj.key.instance.empty(); | |
8687 | ||
8688 | RGWObjState *s = rctx->obj.get_state(obj); | |
8689 | ldout(cct, 20) << "get_obj_state: rctx=" << (void *)rctx << " obj=" << obj << " state=" << (void *)s << " s->prefetch_data=" << s->prefetch_data << dendl; | |
8690 | *state = s; | |
8691 | if (s->has_attrs) { | |
8692 | if (s->is_olh && need_follow_olh) { | |
8693 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
8694 | } | |
8695 | return 0; | |
8696 | } | |
8697 | ||
8698 | s->obj = obj; | |
8699 | ||
8700 | rgw_raw_obj raw_obj; | |
8701 | obj_to_raw(bucket_info.placement_rule, obj, &raw_obj); | |
8702 | ||
8703 | int r = -ENOENT; | |
8704 | ||
8705 | if (!assume_noent) { | |
8706 | r = RGWRados::raw_obj_stat(raw_obj, &s->size, &s->mtime, &s->epoch, &s->attrset, (s->prefetch_data ? &s->data : NULL), NULL); | |
8707 | } | |
8708 | ||
8709 | if (r == -ENOENT) { | |
8710 | s->exists = false; | |
8711 | s->has_attrs = true; | |
8712 | tombstone_entry entry; | |
8713 | if (obj_tombstone_cache && obj_tombstone_cache->find(obj, entry)) { | |
8714 | s->mtime = entry.mtime; | |
8715 | s->zone_short_id = entry.zone_short_id; | |
8716 | s->pg_ver = entry.pg_ver; | |
8717 | ldout(cct, 20) << __func__ << "(): found obj in tombstone cache: obj=" << obj | |
8718 | << " mtime=" << s->mtime << " pgv=" << s->pg_ver << dendl; | |
8719 | } else { | |
8720 | s->mtime = real_time(); | |
8721 | } | |
8722 | return 0; | |
8723 | } | |
8724 | if (r < 0) | |
8725 | return r; | |
8726 | ||
8727 | s->exists = true; | |
8728 | s->has_attrs = true; | |
8729 | s->accounted_size = s->size; | |
8730 | ||
8731 | auto iter = s->attrset.find(RGW_ATTR_COMPRESSION); | |
8732 | if (iter != s->attrset.end()) { | |
8733 | // use uncompressed size for accounted_size | |
8734 | try { | |
8735 | RGWCompressionInfo info; | |
8736 | auto p = iter->second.begin(); | |
8737 | ::decode(info, p); | |
8738 | s->accounted_size = info.orig_size; | |
8739 | } catch (buffer::error&) { | |
8740 | dout(0) << "ERROR: could not decode compression info for object: " << obj << dendl; | |
8741 | return -EIO; | |
8742 | } | |
8743 | } | |
8744 | ||
8745 | iter = s->attrset.find(RGW_ATTR_SHADOW_OBJ); | |
8746 | if (iter != s->attrset.end()) { | |
8747 | bufferlist bl = iter->second; | |
8748 | bufferlist::iterator it = bl.begin(); | |
8749 | it.copy(bl.length(), s->shadow_obj); | |
8750 | s->shadow_obj[bl.length()] = '\0'; | |
8751 | } | |
8752 | s->obj_tag = s->attrset[RGW_ATTR_ID_TAG]; | |
8753 | ||
8754 | bufferlist manifest_bl = s->attrset[RGW_ATTR_MANIFEST]; | |
8755 | if (manifest_bl.length()) { | |
8756 | bufferlist::iterator miter = manifest_bl.begin(); | |
8757 | try { | |
8758 | ::decode(s->manifest, miter); | |
8759 | s->has_manifest = true; | |
8760 | s->manifest.set_head(bucket_info.placement_rule, obj, s->size); /* patch manifest to reflect the head we just read, some manifests might be | |
8761 | broken due to old bugs */ | |
8762 | s->size = s->manifest.get_obj_size(); | |
8763 | } catch (buffer::error& err) { | |
8764 | ldout(cct, 0) << "ERROR: couldn't decode manifest" << dendl; | |
8765 | return -EIO; | |
8766 | } | |
8767 | ldout(cct, 10) << "manifest: total_size = " << s->manifest.get_obj_size() << dendl; | |
8768 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20) && s->manifest.has_explicit_objs()) { | |
8769 | RGWObjManifest::obj_iterator mi; | |
8770 | for (mi = s->manifest.obj_begin(); mi != s->manifest.obj_end(); ++mi) { | |
8771 | ldout(cct, 20) << "manifest: ofs=" << mi.get_ofs() << " loc=" << mi.get_location().get_raw_obj(this) << dendl; | |
8772 | } | |
8773 | } | |
8774 | ||
8775 | if (!s->obj_tag.length()) { | |
8776 | /* | |
8777 | * Uh oh, something's wrong, object with manifest should have tag. Let's | |
8778 | * create one out of the manifest, would be unique | |
8779 | */ | |
8780 | generate_fake_tag(this, s->attrset, s->manifest, manifest_bl, s->obj_tag); | |
8781 | s->fake_tag = true; | |
8782 | } | |
8783 | } | |
8784 | map<string, bufferlist>::iterator aiter = s->attrset.find(RGW_ATTR_PG_VER); | |
8785 | if (aiter != s->attrset.end()) { | |
8786 | bufferlist& pg_ver_bl = aiter->second; | |
8787 | if (pg_ver_bl.length()) { | |
8788 | bufferlist::iterator pgbl = pg_ver_bl.begin(); | |
8789 | try { | |
8790 | ::decode(s->pg_ver, pgbl); | |
8791 | } catch (buffer::error& err) { | |
8792 | ldout(cct, 0) << "ERROR: couldn't decode pg ver attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
8793 | } | |
8794 | } | |
8795 | } | |
8796 | aiter = s->attrset.find(RGW_ATTR_SOURCE_ZONE); | |
8797 | if (aiter != s->attrset.end()) { | |
8798 | bufferlist& zone_short_id_bl = aiter->second; | |
8799 | if (zone_short_id_bl.length()) { | |
8800 | bufferlist::iterator zbl = zone_short_id_bl.begin(); | |
8801 | try { | |
8802 | ::decode(s->zone_short_id, zbl); | |
8803 | } catch (buffer::error& err) { | |
8804 | ldout(cct, 0) << "ERROR: couldn't decode zone short id attr for object " << s->obj << ", non-critical error, ignoring" << dendl; | |
8805 | } | |
8806 | } | |
8807 | } | |
8808 | if (s->obj_tag.length()) | |
8809 | ldout(cct, 20) << "get_obj_state: setting s->obj_tag to " << string(s->obj_tag.c_str(), s->obj_tag.length()) << dendl; | |
8810 | else | |
8811 | ldout(cct, 20) << "get_obj_state: s->obj_tag was set empty" << dendl; | |
8812 | ||
8813 | /* an object might not be olh yet, but could have olh id tag, so we should set it anyway if | |
8814 | * it exist, and not only if is_olh() returns true | |
8815 | */ | |
8816 | iter = s->attrset.find(RGW_ATTR_OLH_ID_TAG); | |
8817 | if (iter != s->attrset.end()) { | |
8818 | s->olh_tag = iter->second; | |
8819 | } | |
8820 | ||
8821 | if (is_olh(s->attrset)) { | |
8822 | s->is_olh = true; | |
8823 | ||
8824 | ldout(cct, 20) << __func__ << ": setting s->olh_tag to " << string(s->olh_tag.c_str(), s->olh_tag.length()) << dendl; | |
8825 | ||
8826 | if (need_follow_olh) { | |
8827 | return get_olh_target_state(*rctx, bucket_info, obj, s, state); | |
8828 | } | |
8829 | } | |
8830 | ||
8831 | return 0; | |
8832 | } | |
8833 | ||
8834 | int RGWRados::get_obj_state(RGWObjectCtx *rctx, const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWObjState **state, | |
8835 | bool follow_olh, bool assume_noent) | |
8836 | { | |
8837 | int ret; | |
8838 | ||
8839 | do { | |
8840 | ret = get_obj_state_impl(rctx, bucket_info, obj, state, follow_olh, assume_noent); | |
8841 | } while (ret == -EAGAIN); | |
8842 | ||
8843 | return ret; | |
8844 | } | |
8845 | ||
8846 | int RGWRados::Object::get_manifest(RGWObjManifest **pmanifest) | |
8847 | { | |
8848 | RGWObjState *astate; | |
8849 | int r = get_state(&astate, true); | |
8850 | if (r < 0) { | |
8851 | return r; | |
8852 | } | |
8853 | ||
8854 | *pmanifest = &astate->manifest; | |
8855 | ||
8856 | return 0; | |
8857 | } | |
8858 | ||
8859 | int RGWRados::Object::Read::get_attr(const char *name, bufferlist& dest) | |
8860 | { | |
8861 | RGWObjState *state; | |
8862 | int r = source->get_state(&state, true); | |
8863 | if (r < 0) | |
8864 | return r; | |
8865 | if (!state->exists) | |
8866 | return -ENOENT; | |
8867 | if (!state->get_attr(name, dest)) | |
8868 | return -ENODATA; | |
8869 | ||
8870 | return 0; | |
8871 | } | |
8872 | ||
8873 | ||
8874 | int RGWRados::Object::Stat::stat_async() | |
8875 | { | |
8876 | RGWObjectCtx& ctx = source->get_ctx(); | |
8877 | rgw_obj& obj = source->get_obj(); | |
8878 | RGWRados *store = source->get_store(); | |
8879 | ||
8880 | RGWObjState *s = ctx.obj.get_state(obj); /* calling this one directly because otherwise a sync request will be sent */ | |
8881 | result.obj = obj; | |
8882 | if (s->has_attrs) { | |
8883 | state.ret = 0; | |
8884 | result.size = s->size; | |
8885 | result.mtime = ceph::real_clock::to_timespec(s->mtime); | |
8886 | result.attrs = s->attrset; | |
8887 | result.has_manifest = s->has_manifest; | |
8888 | result.manifest = s->manifest; | |
8889 | return 0; | |
8890 | } | |
8891 | ||
8892 | string oid; | |
8893 | string loc; | |
8894 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
8895 | ||
8896 | int r = store->get_obj_head_ioctx(source->get_bucket_info(), obj, &state.io_ctx); | |
8897 | if (r < 0) { | |
8898 | return r; | |
8899 | } | |
8900 | ||
8901 | librados::ObjectReadOperation op; | |
8902 | op.stat2(&result.size, &result.mtime, NULL); | |
8903 | op.getxattrs(&result.attrs, NULL); | |
8904 | state.completion = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
8905 | state.io_ctx.locator_set_key(loc); | |
8906 | r = state.io_ctx.aio_operate(oid, state.completion, &op, NULL); | |
8907 | if (r < 0) { | |
8908 | ldout(store->ctx(), 5) << __func__ | |
8909 | << ": ERROR: aio_operate() returned ret=" << r | |
8910 | << dendl; | |
8911 | return r; | |
8912 | } | |
8913 | ||
8914 | return 0; | |
8915 | } | |
8916 | ||
8917 | ||
8918 | int RGWRados::Object::Stat::wait() | |
8919 | { | |
8920 | if (!state.completion) { | |
8921 | return state.ret; | |
8922 | } | |
8923 | ||
8924 | state.completion->wait_for_safe(); | |
8925 | state.ret = state.completion->get_return_value(); | |
8926 | state.completion->release(); | |
8927 | ||
8928 | if (state.ret != 0) { | |
8929 | return state.ret; | |
8930 | } | |
8931 | ||
8932 | return finish(); | |
8933 | } | |
8934 | ||
8935 | int RGWRados::Object::Stat::finish() | |
8936 | { | |
8937 | map<string, bufferlist>::iterator iter = result.attrs.find(RGW_ATTR_MANIFEST); | |
8938 | if (iter != result.attrs.end()) { | |
8939 | bufferlist& bl = iter->second; | |
8940 | bufferlist::iterator biter = bl.begin(); | |
8941 | try { | |
8942 | ::decode(result.manifest, biter); | |
8943 | } catch (buffer::error& err) { | |
8944 | RGWRados *store = source->get_store(); | |
8945 | ldout(store->ctx(), 0) << "ERROR: " << __func__ << ": failed to decode manifest" << dendl; | |
8946 | return -EIO; | |
8947 | } | |
8948 | result.has_manifest = true; | |
8949 | } | |
8950 | ||
8951 | return 0; | |
8952 | } | |
8953 | ||
8954 | /** | |
8955 | * Get the attributes for an object. | |
8956 | * bucket: name of the bucket holding the object. | |
8957 | * obj: name of the object | |
8958 | * name: name of the attr to retrieve | |
8959 | * dest: bufferlist to store the result in | |
8960 | * Returns: 0 on success, -ERR# otherwise. | |
8961 | */ | |
8962 | int RGWRados::system_obj_get_attr(rgw_raw_obj& obj, const char *name, bufferlist& dest) | |
8963 | { | |
8964 | rgw_rados_ref ref; | |
8965 | rgw_pool pool; | |
8966 | int r = get_system_obj_ref(obj, &ref, &pool); | |
8967 | if (r < 0) { | |
8968 | return r; | |
8969 | } | |
8970 | ||
8971 | ObjectReadOperation op; | |
8972 | ||
8973 | int rval; | |
8974 | op.getxattr(name, &dest, &rval); | |
8975 | ||
8976 | r = ref.ioctx.operate(ref.oid, &op, NULL); | |
8977 | if (r < 0) | |
8978 | return r; | |
8979 | ||
8980 | return 0; | |
8981 | } | |
8982 | ||
8983 | int RGWRados::append_atomic_test(RGWObjectCtx *rctx, | |
8984 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
8985 | ObjectOperation& op, RGWObjState **pstate) | |
8986 | { | |
8987 | if (!rctx) | |
8988 | return 0; | |
8989 | ||
8990 | int r = get_obj_state(rctx, bucket_info, obj, pstate, false); | |
8991 | if (r < 0) | |
8992 | return r; | |
8993 | ||
8994 | RGWObjState *state = *pstate; | |
8995 | ||
8996 | if (!state->is_atomic) { | |
8997 | ldout(cct, 20) << "state for obj=" << obj << " is not atomic, not appending atomic test" << dendl; | |
8998 | return 0; | |
8999 | } | |
9000 | ||
9001 | if (state->obj_tag.length() > 0 && !state->fake_tag) {// check for backward compatibility | |
9002 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9003 | } else { | |
9004 | ldout(cct, 20) << "state->obj_tag is empty, not appending atomic test" << dendl; | |
9005 | } | |
9006 | return 0; | |
9007 | } | |
9008 | ||
9009 | int RGWRados::Object::get_state(RGWObjState **pstate, bool follow_olh, bool assume_noent) | |
9010 | { | |
9011 | return store->get_obj_state(&ctx, bucket_info, obj, pstate, follow_olh, assume_noent); | |
9012 | } | |
9013 | ||
9014 | void RGWRados::Object::invalidate_state() | |
9015 | { | |
9016 | ctx.obj.invalidate(obj); | |
9017 | } | |
9018 | ||
9019 | void RGWRados::SystemObject::invalidate_state() | |
9020 | { | |
9021 | ctx.raw.invalidate(obj); | |
9022 | } | |
9023 | ||
9024 | int RGWRados::Object::prepare_atomic_modification(ObjectWriteOperation& op, bool reset_obj, const string *ptag, | |
9025 | const char *if_match, const char *if_nomatch, bool removal_op) | |
9026 | { | |
9027 | int r = get_state(&state, false); | |
9028 | if (r < 0) | |
9029 | return r; | |
9030 | ||
9031 | bool need_guard = (state->has_manifest || (state->obj_tag.length() != 0) || | |
9032 | if_match != NULL || if_nomatch != NULL) && | |
9033 | (!state->fake_tag); | |
9034 | ||
9035 | if (!state->is_atomic) { | |
9036 | ldout(store->ctx(), 20) << "prepare_atomic_modification: state is not atomic. state=" << (void *)state << dendl; | |
9037 | ||
9038 | if (reset_obj) { | |
9039 | op.create(false); | |
9040 | store->remove_rgw_head_obj(op); // we're not dropping reference here, actually removing object | |
9041 | } | |
9042 | ||
9043 | return 0; | |
9044 | } | |
9045 | ||
9046 | if (need_guard) { | |
9047 | /* first verify that the object wasn't replaced under */ | |
9048 | if (if_nomatch == NULL || strcmp(if_nomatch, "*") != 0) { | |
9049 | op.cmpxattr(RGW_ATTR_ID_TAG, LIBRADOS_CMPXATTR_OP_EQ, state->obj_tag); | |
9050 | // FIXME: need to add FAIL_NOTEXIST_OK for racing deletion | |
9051 | } | |
9052 | ||
9053 | if (if_match) { | |
9054 | if (strcmp(if_match, "*") == 0) { | |
9055 | // test the object is existing | |
9056 | if (!state->exists) { | |
9057 | return -ERR_PRECONDITION_FAILED; | |
9058 | } | |
9059 | } else { | |
9060 | bufferlist bl; | |
9061 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9062 | strncmp(if_match, bl.c_str(), bl.length()) != 0) { | |
9063 | return -ERR_PRECONDITION_FAILED; | |
9064 | } | |
9065 | } | |
9066 | } | |
9067 | ||
9068 | if (if_nomatch) { | |
9069 | if (strcmp(if_nomatch, "*") == 0) { | |
9070 | // test the object is NOT existing | |
9071 | if (state->exists) { | |
9072 | return -ERR_PRECONDITION_FAILED; | |
9073 | } | |
9074 | } else { | |
9075 | bufferlist bl; | |
9076 | if (!state->get_attr(RGW_ATTR_ETAG, bl) || | |
9077 | strncmp(if_nomatch, bl.c_str(), bl.length()) == 0) { | |
9078 | return -ERR_PRECONDITION_FAILED; | |
9079 | } | |
9080 | } | |
9081 | } | |
9082 | } | |
9083 | ||
9084 | if (reset_obj) { | |
9085 | if (state->exists) { | |
9086 | op.create(false); | |
9087 | store->remove_rgw_head_obj(op); | |
9088 | } else { | |
9089 | op.create(true); | |
9090 | } | |
9091 | } | |
9092 | ||
9093 | if (removal_op) { | |
9094 | /* the object is being removed, no need to update its tag */ | |
9095 | return 0; | |
9096 | } | |
9097 | ||
9098 | if (ptag) { | |
9099 | state->write_tag = *ptag; | |
9100 | } else { | |
9101 | append_rand_alpha(store->ctx(), state->write_tag, state->write_tag, 32); | |
9102 | } | |
9103 | bufferlist bl; | |
9104 | bl.append(state->write_tag.c_str(), state->write_tag.size() + 1); | |
9105 | ||
9106 | ldout(store->ctx(), 10) << "setting object write_tag=" << state->write_tag << dendl; | |
9107 | ||
9108 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9109 | ||
9110 | return 0; | |
9111 | } | |
9112 | ||
9113 | int RGWRados::system_obj_set_attr(void *ctx, rgw_raw_obj& obj, const char *name, bufferlist& bl, | |
9114 | RGWObjVersionTracker *objv_tracker) | |
9115 | { | |
9116 | map<string, bufferlist> attrs; | |
9117 | attrs[name] = bl; | |
9118 | return system_obj_set_attrs(ctx, obj, attrs, NULL, objv_tracker); | |
9119 | } | |
9120 | ||
9121 | int RGWRados::system_obj_set_attrs(void *ctx, rgw_raw_obj& obj, | |
9122 | map<string, bufferlist>& attrs, | |
9123 | map<string, bufferlist>* rmattrs, | |
9124 | RGWObjVersionTracker *objv_tracker) | |
9125 | { | |
9126 | rgw_rados_ref ref; | |
9127 | rgw_pool pool; | |
9128 | int r = get_system_obj_ref(obj, &ref, &pool); | |
9129 | if (r < 0) { | |
9130 | return r; | |
9131 | } | |
9132 | ObjectWriteOperation op; | |
9133 | ||
9134 | if (objv_tracker) { | |
9135 | objv_tracker->prepare_op_for_write(&op); | |
9136 | } | |
9137 | ||
9138 | map<string, bufferlist>::iterator iter; | |
9139 | if (rmattrs) { | |
9140 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9141 | const string& name = iter->first; | |
9142 | op.rmxattr(name.c_str()); | |
9143 | } | |
9144 | } | |
9145 | ||
9146 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9147 | const string& name = iter->first; | |
9148 | bufferlist& bl = iter->second; | |
9149 | ||
9150 | if (!bl.length()) | |
9151 | continue; | |
9152 | ||
9153 | op.setxattr(name.c_str(), bl); | |
9154 | } | |
9155 | ||
9156 | if (!op.size()) | |
9157 | return 0; | |
9158 | ||
9159 | bufferlist bl; | |
9160 | ||
9161 | r = ref.ioctx.operate(ref.oid, &op); | |
9162 | if (r < 0) | |
9163 | return r; | |
9164 | ||
9165 | return 0; | |
9166 | } | |
9167 | ||
9168 | /** | |
9169 | * Set an attr on an object. | |
9170 | * bucket: name of the bucket holding the object | |
9171 | * obj: name of the object to set the attr on | |
9172 | * name: the attr to set | |
9173 | * bl: the contents of the attr | |
9174 | * Returns: 0 on success, -ERR# otherwise. | |
9175 | */ | |
9176 | int RGWRados::set_attr(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, const char *name, bufferlist& bl) | |
9177 | { | |
9178 | map<string, bufferlist> attrs; | |
9179 | attrs[name] = bl; | |
9180 | return set_attrs(ctx, bucket_info, obj, attrs, NULL); | |
9181 | } | |
9182 | ||
9183 | int RGWRados::set_attrs(void *ctx, const RGWBucketInfo& bucket_info, rgw_obj& obj, | |
9184 | map<string, bufferlist>& attrs, | |
9185 | map<string, bufferlist>* rmattrs) | |
9186 | { | |
9187 | rgw_rados_ref ref; | |
9188 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
9189 | if (r < 0) { | |
9190 | return r; | |
9191 | } | |
9192 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
9193 | ||
9194 | ObjectWriteOperation op; | |
9195 | RGWObjState *state = NULL; | |
9196 | ||
9197 | r = append_atomic_test(rctx, bucket_info, obj, op, &state); | |
9198 | if (r < 0) | |
9199 | return r; | |
9200 | ||
9201 | map<string, bufferlist>::iterator iter; | |
9202 | if (rmattrs) { | |
9203 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9204 | const string& name = iter->first; | |
9205 | op.rmxattr(name.c_str()); | |
9206 | } | |
9207 | } | |
9208 | ||
9209 | const rgw_bucket& bucket = obj.bucket; | |
9210 | ||
9211 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9212 | const string& name = iter->first; | |
9213 | bufferlist& bl = iter->second; | |
9214 | ||
9215 | if (!bl.length()) | |
9216 | continue; | |
9217 | ||
9218 | op.setxattr(name.c_str(), bl); | |
9219 | ||
9220 | if (name.compare(RGW_ATTR_DELETE_AT) == 0) { | |
9221 | real_time ts; | |
9222 | try { | |
9223 | ::decode(ts, bl); | |
9224 | ||
9225 | rgw_obj_index_key obj_key; | |
9226 | obj.key.get_index_key(&obj_key); | |
9227 | ||
9228 | objexp_hint_add(ts, bucket.tenant, bucket.name, bucket.bucket_id, obj_key); | |
9229 | } catch (buffer::error& err) { | |
9230 | ldout(cct, 0) << "ERROR: failed to decode " RGW_ATTR_DELETE_AT << " attr" << dendl; | |
9231 | } | |
9232 | } | |
9233 | } | |
9234 | ||
9235 | if (!op.size()) | |
9236 | return 0; | |
9237 | ||
9238 | RGWObjectCtx obj_ctx(this); | |
9239 | ||
9240 | bufferlist bl; | |
9241 | RGWRados::Bucket bop(this, bucket_info); | |
9242 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
9243 | ||
9244 | if (state) { | |
9245 | string tag; | |
9246 | append_rand_alpha(cct, tag, tag, 32); | |
9247 | state->write_tag = tag; | |
9248 | r = index_op.prepare(CLS_RGW_OP_ADD, &state->write_tag); | |
9249 | ||
9250 | if (r < 0) | |
9251 | return r; | |
9252 | ||
9253 | bl.append(tag.c_str(), tag.size() + 1); | |
9254 | ||
9255 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
9256 | } | |
9257 | ||
9258 | r = ref.ioctx.operate(ref.oid, &op); | |
9259 | if (state) { | |
9260 | if (r >= 0) { | |
9261 | bufferlist acl_bl = attrs[RGW_ATTR_ACL]; | |
9262 | bufferlist etag_bl = attrs[RGW_ATTR_ETAG]; | |
9263 | bufferlist content_type_bl = attrs[RGW_ATTR_CONTENT_TYPE]; | |
9264 | string etag(etag_bl.c_str(), etag_bl.length()); | |
9265 | string content_type(content_type_bl.c_str(), content_type_bl.length()); | |
9266 | uint64_t epoch = ref.ioctx.get_last_version(); | |
9267 | int64_t poolid = ref.ioctx.get_id(); | |
9268 | real_time mtime = real_clock::now(); | |
9269 | r = index_op.complete(poolid, epoch, state->size, state->accounted_size, | |
9270 | mtime, etag, content_type, &acl_bl, | |
9271 | RGW_OBJ_CATEGORY_MAIN, NULL); | |
9272 | } else { | |
9273 | int ret = index_op.cancel(); | |
9274 | if (ret < 0) { | |
9275 | ldout(cct, 0) << "ERROR: complete_update_index_cancel() returned ret=" << ret << dendl; | |
9276 | } | |
9277 | } | |
9278 | } | |
9279 | if (r < 0) | |
9280 | return r; | |
9281 | ||
9282 | if (state) { | |
9283 | state->obj_tag.swap(bl); | |
9284 | if (rmattrs) { | |
9285 | for (iter = rmattrs->begin(); iter != rmattrs->end(); ++iter) { | |
9286 | state->attrset.erase(iter->first); | |
9287 | } | |
9288 | } | |
9289 | for (iter = attrs.begin(); iter != attrs.end(); ++iter) { | |
9290 | state->attrset[iter->first] = iter->second; | |
9291 | } | |
9292 | } | |
9293 | ||
9294 | return 0; | |
9295 | } | |
9296 | ||
9297 | /** | |
9298 | * Get data about an object out of RADOS and into memory. | |
9299 | * bucket: name of the bucket the object is in. | |
9300 | * obj: name/key of the object to read | |
9301 | * data: if get_data==true, this pointer will be set | |
9302 | * to an address containing the object's data/value | |
9303 | * attrs: if non-NULL, the pointed-to map will contain | |
9304 | * all the attrs of the object when this function returns | |
9305 | * mod_ptr: if non-NULL, compares the object's mtime to *mod_ptr, | |
9306 | * and if mtime is smaller it fails. | |
9307 | * unmod_ptr: if non-NULL, compares the object's mtime to *unmod_ptr, | |
9308 | * and if mtime is >= it fails. | |
9309 | * if_match/nomatch: if non-NULL, compares the object's etag attr | |
9310 | * to the string and, if it doesn't/does match, fails out. | |
9311 | * get_data: if true, the object's data/value will be read out, otherwise not | |
9312 | * err: Many errors will result in this structure being filled | |
9313 | * with extra informatin on the error. | |
9314 | * Returns: -ERR# on failure, otherwise | |
9315 | * (if get_data==true) length of read data, | |
9316 | * (if get_data==false) length of the object | |
9317 | */ | |
9318 | // P3 XXX get_data is not seen used anywhere. | |
9319 | int RGWRados::Object::Read::prepare() | |
9320 | { | |
9321 | RGWRados *store = source->get_store(); | |
9322 | CephContext *cct = store->ctx(); | |
9323 | ||
9324 | bufferlist etag; | |
9325 | ||
9326 | map<string, bufferlist>::iterator iter; | |
9327 | ||
9328 | RGWObjState *astate; | |
9329 | int r = source->get_state(&astate, true); | |
9330 | if (r < 0) | |
9331 | return r; | |
9332 | ||
9333 | if (!astate->exists) { | |
9334 | return -ENOENT; | |
9335 | } | |
9336 | ||
9337 | const RGWBucketInfo& bucket_info = source->get_bucket_info(); | |
9338 | ||
9339 | state.obj = astate->obj; | |
9340 | store->obj_to_raw(bucket_info.placement_rule, state.obj, &state.head_obj); | |
9341 | ||
9342 | r = store->get_obj_head_ioctx(bucket_info, state.obj, &state.io_ctx); | |
9343 | if (r < 0) { | |
9344 | return r; | |
9345 | } | |
9346 | if (params.attrs) { | |
9347 | *params.attrs = astate->attrset; | |
9348 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9349 | for (iter = params.attrs->begin(); iter != params.attrs->end(); ++iter) { | |
9350 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9351 | } | |
9352 | } | |
9353 | } | |
9354 | ||
9355 | /* Convert all times go GMT to make them compatible */ | |
9356 | if (conds.mod_ptr || conds.unmod_ptr) { | |
9357 | obj_time_weight src_weight; | |
9358 | src_weight.init(astate); | |
9359 | src_weight.high_precision = conds.high_precision_time; | |
9360 | ||
9361 | obj_time_weight dest_weight; | |
9362 | dest_weight.high_precision = conds.high_precision_time; | |
9363 | ||
9364 | if (conds.mod_ptr) { | |
9365 | dest_weight.init(*conds.mod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9366 | ldout(cct, 10) << "If-Modified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9367 | if (!(dest_weight < src_weight)) { | |
9368 | return -ERR_NOT_MODIFIED; | |
9369 | } | |
9370 | } | |
9371 | ||
9372 | if (conds.unmod_ptr) { | |
9373 | dest_weight.init(*conds.unmod_ptr, conds.mod_zone_id, conds.mod_pg_ver); | |
9374 | ldout(cct, 10) << "If-UnModified-Since: " << dest_weight << " Last-Modified: " << src_weight << dendl; | |
9375 | if (dest_weight < src_weight) { | |
9376 | return -ERR_PRECONDITION_FAILED; | |
9377 | } | |
9378 | } | |
9379 | } | |
9380 | if (conds.if_match || conds.if_nomatch) { | |
9381 | r = get_attr(RGW_ATTR_ETAG, etag); | |
9382 | if (r < 0) | |
9383 | return r; | |
9384 | ||
9385 | if (conds.if_match) { | |
9386 | string if_match_str = rgw_string_unquote(conds.if_match); | |
9387 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-Match: " << if_match_str << dendl; | |
9388 | if (if_match_str.compare(etag.c_str()) != 0) { | |
9389 | return -ERR_PRECONDITION_FAILED; | |
9390 | } | |
9391 | } | |
9392 | ||
9393 | if (conds.if_nomatch) { | |
9394 | string if_nomatch_str = rgw_string_unquote(conds.if_nomatch); | |
9395 | ldout(cct, 10) << "ETag: " << etag.c_str() << " " << " If-NoMatch: " << if_nomatch_str << dendl; | |
9396 | if (if_nomatch_str.compare(etag.c_str()) == 0) { | |
9397 | return -ERR_NOT_MODIFIED; | |
9398 | } | |
9399 | } | |
9400 | } | |
9401 | ||
9402 | if (params.obj_size) | |
9403 | *params.obj_size = astate->size; | |
9404 | if (params.lastmod) | |
9405 | *params.lastmod = astate->mtime; | |
9406 | ||
9407 | return 0; | |
9408 | } | |
9409 | ||
9410 | int RGWRados::Object::Read::range_to_ofs(uint64_t obj_size, int64_t &ofs, int64_t &end) | |
9411 | { | |
9412 | if (ofs < 0) { | |
9413 | ofs += obj_size; | |
9414 | if (ofs < 0) | |
9415 | ofs = 0; | |
9416 | end = obj_size - 1; | |
9417 | } else if (end < 0) { | |
9418 | end = obj_size - 1; | |
9419 | } | |
9420 | ||
9421 | if (obj_size > 0) { | |
9422 | if (ofs >= (off_t)obj_size) { | |
9423 | return -ERANGE; | |
9424 | } | |
9425 | if (end >= (off_t)obj_size) { | |
9426 | end = obj_size - 1; | |
9427 | } | |
9428 | } | |
9429 | return 0; | |
9430 | } | |
9431 | ||
9432 | int RGWRados::SystemObject::get_state(RGWRawObjState **pstate, RGWObjVersionTracker *objv_tracker) | |
9433 | { | |
9434 | return store->get_system_obj_state(&ctx, obj, pstate, objv_tracker); | |
9435 | } | |
9436 | ||
9437 | int RGWRados::stat_system_obj(RGWObjectCtx& obj_ctx, | |
9438 | RGWRados::SystemObject::Read::GetObjState& state, | |
9439 | rgw_raw_obj& obj, | |
9440 | map<string, bufferlist> *attrs, | |
9441 | real_time *lastmod, | |
9442 | uint64_t *obj_size, | |
9443 | RGWObjVersionTracker *objv_tracker) | |
9444 | { | |
9445 | RGWRawObjState *astate = NULL; | |
9446 | ||
9447 | int r = get_system_obj_state(&obj_ctx, obj, &astate, objv_tracker); | |
9448 | if (r < 0) | |
9449 | return r; | |
9450 | ||
9451 | if (!astate->exists) { | |
9452 | return -ENOENT; | |
9453 | } | |
9454 | ||
9455 | if (attrs) { | |
9456 | *attrs = astate->attrset; | |
9457 | if (cct->_conf->subsys.should_gather(ceph_subsys_rgw, 20)) { | |
9458 | map<string, bufferlist>::iterator iter; | |
9459 | for (iter = attrs->begin(); iter != attrs->end(); ++iter) { | |
9460 | ldout(cct, 20) << "Read xattr: " << iter->first << dendl; | |
9461 | } | |
9462 | } | |
9463 | } | |
9464 | ||
9465 | if (obj_size) | |
9466 | *obj_size = astate->size; | |
9467 | if (lastmod) | |
9468 | *lastmod = astate->mtime; | |
9469 | ||
9470 | return 0; | |
9471 | } | |
9472 | ||
9473 | int RGWRados::SystemObject::Read::stat(RGWObjVersionTracker *objv_tracker) | |
9474 | { | |
9475 | RGWRados *store = source->get_store(); | |
9476 | rgw_raw_obj& obj = source->get_obj(); | |
9477 | ||
9478 | return store->stat_system_obj(source->get_ctx(), state, obj, stat_params.attrs, | |
9479 | stat_params.lastmod, stat_params.obj_size, objv_tracker); | |
9480 | } | |
9481 | ||
9482 | int RGWRados::Bucket::UpdateIndex::prepare(RGWModifyOp op, const string *write_tag) | |
9483 | { | |
9484 | if (blind) { | |
9485 | return 0; | |
9486 | } | |
9487 | RGWRados *store = target->get_store(); | |
9488 | BucketShard *bs; | |
9489 | int ret = get_bucket_shard(&bs); | |
9490 | if (ret < 0) { | |
9491 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9492 | return ret; | |
9493 | } | |
9494 | ||
9495 | if (write_tag && write_tag->length()) { | |
9496 | optag = string(write_tag->c_str(), write_tag->length()); | |
9497 | } else { | |
9498 | if (optag.empty()) { | |
9499 | append_rand_alpha(store->ctx(), optag, optag, 32); | |
9500 | } | |
9501 | } | |
9502 | ||
9503 | int r = store->cls_obj_prepare_op(*bs, op, optag, obj, bilog_flags); | |
9504 | if (r < 0) { | |
9505 | return r; | |
9506 | } | |
9507 | prepared = true; | |
9508 | return 0; | |
9509 | } | |
9510 | ||
9511 | int RGWRados::Bucket::UpdateIndex::complete(int64_t poolid, uint64_t epoch, | |
9512 | uint64_t size, uint64_t accounted_size, | |
9513 | ceph::real_time& ut, const string& etag, | |
9514 | const string& content_type, | |
9515 | bufferlist *acl_bl, | |
9516 | RGWObjCategory category, | |
9517 | list<rgw_obj_index_key> *remove_objs, const string *user_data) | |
9518 | { | |
9519 | if (blind) { | |
9520 | return 0; | |
9521 | } | |
9522 | RGWRados *store = target->get_store(); | |
9523 | BucketShard *bs; | |
9524 | int ret = get_bucket_shard(&bs); | |
9525 | if (ret < 0) { | |
9526 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9527 | return ret; | |
9528 | } | |
9529 | ||
9530 | rgw_bucket_dir_entry ent; | |
9531 | obj.key.get_index_key(&ent.key); | |
9532 | ent.meta.size = size; | |
9533 | ent.meta.accounted_size = accounted_size; | |
9534 | ent.meta.mtime = ut; | |
9535 | ent.meta.etag = etag; | |
9536 | if (user_data) | |
9537 | ent.meta.user_data = *user_data; | |
9538 | ||
9539 | ACLOwner owner; | |
9540 | if (acl_bl && acl_bl->length()) { | |
9541 | int ret = store->decode_policy(*acl_bl, &owner); | |
9542 | if (ret < 0) { | |
9543 | ldout(store->ctx(), 0) << "WARNING: could not decode policy ret=" << ret << dendl; | |
9544 | } | |
9545 | } | |
9546 | ent.meta.owner = owner.get_id().to_str(); | |
9547 | ent.meta.owner_display_name = owner.get_display_name(); | |
9548 | ent.meta.content_type = content_type; | |
9549 | ||
9550 | ret = store->cls_obj_complete_add(*bs, optag, poolid, epoch, ent, category, remove_objs, bilog_flags); | |
9551 | ||
9552 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9553 | if (r < 0) { | |
9554 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9555 | } | |
9556 | ||
9557 | return ret; | |
9558 | } | |
9559 | ||
9560 | int RGWRados::Bucket::UpdateIndex::complete_del(int64_t poolid, uint64_t epoch, | |
9561 | real_time& removed_mtime, | |
9562 | list<rgw_obj_index_key> *remove_objs) | |
9563 | { | |
9564 | if (blind) { | |
9565 | return 0; | |
9566 | } | |
9567 | RGWRados *store = target->get_store(); | |
9568 | BucketShard *bs; | |
9569 | int ret = get_bucket_shard(&bs); | |
9570 | if (ret < 0) { | |
9571 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9572 | return ret; | |
9573 | } | |
9574 | ||
9575 | ret = store->cls_obj_complete_del(*bs, optag, poolid, epoch, obj, removed_mtime, remove_objs, bilog_flags); | |
9576 | ||
9577 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9578 | if (r < 0) { | |
9579 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9580 | } | |
9581 | ||
9582 | return ret; | |
9583 | } | |
9584 | ||
9585 | ||
9586 | int RGWRados::Bucket::UpdateIndex::cancel() | |
9587 | { | |
9588 | if (blind) { | |
9589 | return 0; | |
9590 | } | |
9591 | RGWRados *store = target->get_store(); | |
9592 | BucketShard *bs; | |
9593 | int ret = get_bucket_shard(&bs); | |
9594 | if (ret < 0) { | |
9595 | ldout(store->ctx(), 5) << "failed to get BucketShard object: ret=" << ret << dendl; | |
9596 | return ret; | |
9597 | } | |
9598 | ||
9599 | ret = store->cls_obj_complete_cancel(*bs, optag, obj, bilog_flags); | |
9600 | ||
9601 | /* | |
9602 | * need to update data log anyhow, so that whoever follows needs to update its internal markers | |
9603 | * for following the specific bucket shard log. Otherwise they end up staying behind, and users | |
9604 | * have no way to tell that they're all caught up | |
9605 | */ | |
9606 | int r = store->data_log->add_entry(bs->bucket, bs->shard_id); | |
9607 | if (r < 0) { | |
9608 | lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; | |
9609 | } | |
9610 | ||
9611 | return ret; | |
9612 | } | |
9613 | ||
9614 | int RGWRados::Object::Read::read(int64_t ofs, int64_t end, bufferlist& bl) | |
9615 | { | |
9616 | RGWRados *store = source->get_store(); | |
9617 | CephContext *cct = store->ctx(); | |
9618 | ||
9619 | std::string oid, key; | |
9620 | rgw_raw_obj read_obj; | |
9621 | uint64_t read_ofs = ofs; | |
9622 | uint64_t len, read_len; | |
9623 | bool reading_from_head = true; | |
9624 | ObjectReadOperation op; | |
9625 | ||
9626 | bool merge_bl = false; | |
9627 | bufferlist *pbl = &bl; | |
9628 | bufferlist read_bl; | |
9629 | uint64_t max_chunk_size; | |
9630 | ||
9631 | RGWObjState *astate; | |
9632 | int r = source->get_state(&astate, true); | |
9633 | if (r < 0) | |
9634 | return r; | |
9635 | ||
9636 | if (end < 0) | |
9637 | len = 0; | |
9638 | else | |
9639 | len = end - ofs + 1; | |
9640 | ||
9641 | if (astate->has_manifest && astate->manifest.has_tail()) { | |
9642 | /* now get the relevant object part */ | |
9643 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
9644 | ||
9645 | uint64_t stripe_ofs = iter.get_stripe_ofs(); | |
9646 | read_obj = iter.get_location().get_raw_obj(store); | |
9647 | len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
9648 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
9649 | reading_from_head = (read_obj == state.head_obj); | |
9650 | } else { | |
9651 | read_obj = state.head_obj; | |
9652 | } | |
9653 | ||
9654 | r = store->get_max_chunk_size(read_obj.pool, &max_chunk_size); | |
9655 | if (r < 0) { | |
9656 | ldout(cct, 0) << "ERROR: failed to get max_chunk_size() for pool " << read_obj.pool << dendl; | |
9657 | return r; | |
9658 | } | |
9659 | ||
9660 | if (len > max_chunk_size) | |
9661 | len = max_chunk_size; | |
9662 | ||
9663 | ||
9664 | state.io_ctx.locator_set_key(read_obj.loc); | |
9665 | ||
9666 | read_len = len; | |
9667 | ||
9668 | if (reading_from_head) { | |
9669 | /* only when reading from the head object do we need to do the atomic test */ | |
9670 | r = store->append_atomic_test(&source->get_ctx(), source->get_bucket_info(), state.obj, op, &astate); | |
9671 | if (r < 0) | |
9672 | return r; | |
9673 | ||
9674 | if (astate && astate->prefetch_data) { | |
9675 | if (!ofs && astate->data.length() >= len) { | |
9676 | bl = astate->data; | |
9677 | return bl.length(); | |
9678 | } | |
9679 | ||
9680 | if (ofs < astate->data.length()) { | |
9681 | unsigned copy_len = min((uint64_t)astate->data.length() - ofs, len); | |
9682 | astate->data.copy(ofs, copy_len, bl); | |
9683 | read_len -= copy_len; | |
9684 | read_ofs += copy_len; | |
9685 | if (!read_len) | |
9686 | return bl.length(); | |
9687 | ||
9688 | merge_bl = true; | |
9689 | pbl = &read_bl; | |
9690 | } | |
9691 | } | |
9692 | } | |
9693 | ||
9694 | ldout(cct, 20) << "rados->read obj-ofs=" << ofs << " read_ofs=" << read_ofs << " read_len=" << read_len << dendl; | |
9695 | op.read(read_ofs, read_len, pbl, NULL); | |
9696 | ||
9697 | r = state.io_ctx.operate(read_obj.oid, &op, NULL); | |
9698 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
9699 | ||
9700 | if (r < 0) { | |
9701 | return r; | |
9702 | } | |
9703 | ||
9704 | if (merge_bl) { | |
9705 | bl.append(read_bl); | |
9706 | } | |
9707 | ||
9708 | return bl.length(); | |
9709 | } | |
9710 | ||
9711 | int RGWRados::SystemObject::Read::GetObjState::get_ref(RGWRados *store, rgw_raw_obj& obj, rgw_rados_ref **pref) | |
9712 | { | |
9713 | if (!has_ref) { | |
9714 | rgw_pool pool; | |
9715 | int r = store->get_raw_obj_ref(obj, &ref, &pool); | |
9716 | if (r < 0) { | |
9717 | return r; | |
9718 | } | |
9719 | has_ref = true; | |
9720 | } | |
9721 | *pref = &ref; | |
9722 | return 0; | |
9723 | ||
9724 | } | |
9725 | ||
9726 | int RGWRados::get_system_obj(RGWObjectCtx& obj_ctx, RGWRados::SystemObject::Read::GetObjState& read_state, | |
9727 | RGWObjVersionTracker *objv_tracker, rgw_raw_obj& obj, | |
9728 | bufferlist& bl, off_t ofs, off_t end, | |
9729 | map<string, bufferlist> *attrs, | |
9730 | rgw_cache_entry_info *cache_info) | |
9731 | { | |
9732 | uint64_t len; | |
9733 | ObjectReadOperation op; | |
9734 | ||
9735 | if (end < 0) | |
9736 | len = 0; | |
9737 | else | |
9738 | len = end - ofs + 1; | |
9739 | ||
9740 | if (objv_tracker) { | |
9741 | objv_tracker->prepare_op_for_read(&op); | |
9742 | } | |
9743 | ||
9744 | ldout(cct, 20) << "rados->read ofs=" << ofs << " len=" << len << dendl; | |
9745 | op.read(ofs, len, &bl, NULL); | |
9746 | ||
9747 | if (attrs) { | |
9748 | op.getxattrs(attrs, NULL); | |
9749 | } | |
9750 | ||
9751 | rgw_rados_ref *ref; | |
9752 | int r = read_state.get_ref(this, obj, &ref); | |
9753 | if (r < 0) { | |
9754 | ldout(cct, 20) << "read_state.get_ref() on obj=" << obj << " returned " << r << dendl; | |
9755 | return r; | |
9756 | } | |
9757 | r = ref->ioctx.operate(ref->oid, &op, NULL); | |
9758 | if (r < 0) { | |
9759 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
9760 | return r; | |
9761 | } | |
9762 | ldout(cct, 20) << "rados->read r=" << r << " bl.length=" << bl.length() << dendl; | |
9763 | ||
9764 | uint64_t op_ver = ref->ioctx.get_last_version(); | |
9765 | ||
9766 | if (read_state.last_ver > 0 && | |
9767 | read_state.last_ver != op_ver) { | |
9768 | ldout(cct, 5) << "raced with an object write, abort" << dendl; | |
9769 | return -ECANCELED; | |
9770 | } | |
9771 | ||
9772 | read_state.last_ver = op_ver; | |
9773 | ||
9774 | return bl.length(); | |
9775 | } | |
9776 | ||
9777 | int RGWRados::SystemObject::Read::read(int64_t ofs, int64_t end, bufferlist& bl, RGWObjVersionTracker *objv_tracker) | |
9778 | { | |
9779 | RGWRados *store = source->get_store(); | |
9780 | rgw_raw_obj& obj = source->get_obj(); | |
9781 | ||
9782 | return store->get_system_obj(source->get_ctx(), state, objv_tracker, obj, bl, ofs, end, read_params.attrs, read_params.cache_info); | |
9783 | } | |
9784 | ||
9785 | int RGWRados::SystemObject::Read::get_attr(const char *name, bufferlist& dest) | |
9786 | { | |
9787 | RGWRados *store = source->get_store(); | |
9788 | rgw_raw_obj& obj = source->get_obj(); | |
9789 | ||
9790 | return store->system_obj_get_attr(obj, name, dest); | |
9791 | } | |
9792 | ||
9793 | struct get_obj_data; | |
9794 | ||
9795 | struct get_obj_aio_data { | |
9796 | struct get_obj_data *op_data; | |
9797 | off_t ofs; | |
9798 | off_t len; | |
9799 | }; | |
9800 | ||
9801 | struct get_obj_io { | |
9802 | off_t len; | |
9803 | bufferlist bl; | |
9804 | }; | |
9805 | ||
9806 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg); | |
9807 | ||
9808 | struct get_obj_data : public RefCountedObject { | |
9809 | CephContext *cct; | |
9810 | RGWRados *rados; | |
9811 | RGWObjectCtx *ctx; | |
9812 | IoCtx io_ctx; | |
9813 | map<off_t, get_obj_io> io_map; | |
9814 | map<off_t, librados::AioCompletion *> completion_map; | |
9815 | uint64_t total_read; | |
9816 | Mutex lock; | |
9817 | Mutex data_lock; | |
9818 | list<get_obj_aio_data> aio_data; | |
9819 | RGWGetDataCB *client_cb; | |
9820 | std::atomic<bool> cancelled = { false }; | |
9821 | std::atomic<int64_t> err_code = { 0 }; | |
9822 | Throttle throttle; | |
9823 | list<bufferlist> read_list; | |
9824 | ||
9825 | explicit get_obj_data(CephContext *_cct) | |
9826 | : cct(_cct), | |
9827 | rados(NULL), ctx(NULL), | |
9828 | total_read(0), lock("get_obj_data"), data_lock("get_obj_data::data_lock"), | |
9829 | client_cb(NULL), | |
9830 | throttle(cct, "get_obj_data", cct->_conf->rgw_get_obj_window_size, false) {} | |
9831 | ~get_obj_data() override { } | |
9832 | void set_cancelled(int r) { | |
9833 | cancelled = true; | |
9834 | err_code = r; | |
9835 | } | |
9836 | ||
9837 | bool is_cancelled() { | |
9838 | return cancelled; | |
9839 | } | |
9840 | ||
9841 | int get_err_code() { | |
9842 | return err_code; | |
9843 | } | |
9844 | ||
9845 | int wait_next_io(bool *done) { | |
9846 | lock.Lock(); | |
9847 | map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
9848 | if (iter == completion_map.end()) { | |
9849 | *done = true; | |
9850 | lock.Unlock(); | |
9851 | return 0; | |
9852 | } | |
9853 | off_t cur_ofs = iter->first; | |
9854 | librados::AioCompletion *c = iter->second; | |
9855 | lock.Unlock(); | |
9856 | ||
9857 | c->wait_for_safe_and_cb(); | |
9858 | int r = c->get_return_value(); | |
9859 | ||
9860 | lock.Lock(); | |
9861 | completion_map.erase(cur_ofs); | |
9862 | ||
9863 | if (completion_map.empty()) { | |
9864 | *done = true; | |
9865 | } | |
9866 | lock.Unlock(); | |
9867 | ||
9868 | c->release(); | |
9869 | ||
9870 | return r; | |
9871 | } | |
9872 | ||
9873 | void add_io(off_t ofs, off_t len, bufferlist **pbl, AioCompletion **pc) { | |
9874 | Mutex::Locker l(lock); | |
9875 | ||
9876 | const auto& io_iter = io_map.insert( | |
9877 | map<off_t, get_obj_io>::value_type(ofs, get_obj_io())); | |
9878 | ||
9879 | assert(io_iter.second); // assert new insertion | |
9880 | ||
9881 | get_obj_io& io = (io_iter.first)->second; | |
9882 | *pbl = &io.bl; | |
9883 | ||
9884 | struct get_obj_aio_data aio; | |
9885 | aio.ofs = ofs; | |
9886 | aio.len = len; | |
9887 | aio.op_data = this; | |
9888 | ||
9889 | aio_data.push_back(aio); | |
9890 | ||
9891 | struct get_obj_aio_data *paio_data = &aio_data.back(); /* last element */ | |
9892 | ||
9893 | librados::AioCompletion *c = librados::Rados::aio_create_completion((void *)paio_data, NULL, _get_obj_aio_completion_cb); | |
9894 | completion_map[ofs] = c; | |
9895 | ||
9896 | *pc = c; | |
9897 | ||
9898 | /* we have a reference per IO, plus one reference for the calling function. | |
9899 | * reference is dropped for each callback, plus when we're done iterating | |
9900 | * over the parts */ | |
9901 | get(); | |
9902 | } | |
9903 | ||
9904 | void cancel_io(off_t ofs) { | |
9905 | ldout(cct, 20) << "get_obj_data::cancel_io() ofs=" << ofs << dendl; | |
9906 | lock.Lock(); | |
9907 | map<off_t, AioCompletion *>::iterator iter = completion_map.find(ofs); | |
9908 | if (iter != completion_map.end()) { | |
9909 | AioCompletion *c = iter->second; | |
9910 | c->release(); | |
9911 | completion_map.erase(ofs); | |
9912 | io_map.erase(ofs); | |
9913 | } | |
9914 | lock.Unlock(); | |
9915 | ||
9916 | /* we don't drop a reference here -- e.g., not calling d->put(), because we still | |
9917 | * need IoCtx to live, as io callback may still be called | |
9918 | */ | |
9919 | } | |
9920 | ||
9921 | void cancel_all_io() { | |
9922 | ldout(cct, 20) << "get_obj_data::cancel_all_io()" << dendl; | |
9923 | Mutex::Locker l(lock); | |
9924 | for (map<off_t, librados::AioCompletion *>::iterator iter = completion_map.begin(); | |
9925 | iter != completion_map.end(); ++iter) { | |
9926 | librados::AioCompletion *c = iter->second; | |
9927 | c->release(); | |
9928 | } | |
9929 | } | |
9930 | ||
9931 | int get_complete_ios(off_t ofs, list<bufferlist>& bl_list) { | |
9932 | Mutex::Locker l(lock); | |
9933 | ||
9934 | map<off_t, get_obj_io>::iterator liter = io_map.begin(); | |
9935 | ||
9936 | if (liter == io_map.end() || | |
9937 | liter->first != ofs) { | |
9938 | return 0; | |
9939 | } | |
9940 | ||
9941 | map<off_t, librados::AioCompletion *>::iterator aiter; | |
9942 | aiter = completion_map.find(ofs); | |
9943 | if (aiter == completion_map.end()) { | |
9944 | /* completion map does not hold this io, it was cancelled */ | |
9945 | return 0; | |
9946 | } | |
9947 | ||
9948 | AioCompletion *completion = aiter->second; | |
9949 | int r = completion->get_return_value(); | |
9950 | if (r < 0) | |
9951 | return r; | |
9952 | ||
9953 | for (; aiter != completion_map.end(); ++aiter) { | |
9954 | completion = aiter->second; | |
9955 | if (!completion->is_safe()) { | |
9956 | /* reached a request that is not yet complete, stop */ | |
9957 | break; | |
9958 | } | |
9959 | ||
9960 | r = completion->get_return_value(); | |
9961 | if (r < 0) { | |
9962 | set_cancelled(r); /* mark it as cancelled, so that we don't continue processing next operations */ | |
9963 | return r; | |
9964 | } | |
9965 | ||
9966 | total_read += r; | |
9967 | ||
9968 | map<off_t, get_obj_io>::iterator old_liter = liter++; | |
9969 | bl_list.push_back(old_liter->second.bl); | |
9970 | io_map.erase(old_liter); | |
9971 | } | |
9972 | ||
9973 | return 0; | |
9974 | } | |
9975 | }; | |
9976 | ||
9977 | 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) | |
9978 | { | |
9979 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
9980 | ||
9981 | return d->rados->get_obj_iterate_cb(d->ctx, astate, bucket_info, obj, read_obj, obj_ofs, read_ofs, len, is_head_obj, arg); | |
9982 | } | |
9983 | ||
9984 | static void _get_obj_aio_completion_cb(completion_t cb, void *arg) | |
9985 | { | |
9986 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
9987 | struct get_obj_data *d = aio_data->op_data; | |
9988 | ||
9989 | d->rados->get_obj_aio_completion_cb(cb, arg); | |
9990 | } | |
9991 | ||
9992 | ||
9993 | void RGWRados::get_obj_aio_completion_cb(completion_t c, void *arg) | |
9994 | { | |
9995 | struct get_obj_aio_data *aio_data = (struct get_obj_aio_data *)arg; | |
9996 | struct get_obj_data *d = aio_data->op_data; | |
9997 | off_t ofs = aio_data->ofs; | |
9998 | off_t len = aio_data->len; | |
9999 | ||
10000 | list<bufferlist> bl_list; | |
10001 | list<bufferlist>::iterator iter; | |
10002 | int r; | |
10003 | ||
10004 | ldout(cct, 20) << "get_obj_aio_completion_cb: io completion ofs=" << ofs << " len=" << len << dendl; | |
10005 | d->throttle.put(len); | |
10006 | ||
10007 | r = rados_aio_get_return_value(c); | |
10008 | if (r < 0) { | |
10009 | ldout(cct, 0) << "ERROR: got unexpected error when trying to read object: " << r << dendl; | |
10010 | d->set_cancelled(r); | |
10011 | goto done; | |
10012 | } | |
10013 | ||
10014 | if (d->is_cancelled()) { | |
10015 | goto done; | |
10016 | } | |
10017 | ||
10018 | d->data_lock.Lock(); | |
10019 | ||
10020 | r = d->get_complete_ios(ofs, bl_list); | |
10021 | if (r < 0) { | |
10022 | goto done_unlock; | |
10023 | } | |
10024 | ||
10025 | d->read_list.splice(d->read_list.end(), bl_list); | |
10026 | ||
10027 | done_unlock: | |
10028 | d->data_lock.Unlock(); | |
10029 | done: | |
10030 | d->put(); | |
10031 | return; | |
10032 | } | |
10033 | ||
10034 | int RGWRados::flush_read_list(struct get_obj_data *d) | |
10035 | { | |
10036 | d->data_lock.Lock(); | |
10037 | list<bufferlist> l; | |
10038 | l.swap(d->read_list); | |
10039 | d->get(); | |
10040 | d->read_list.clear(); | |
10041 | ||
10042 | d->data_lock.Unlock(); | |
10043 | ||
10044 | int r = 0; | |
10045 | ||
10046 | list<bufferlist>::iterator iter; | |
10047 | for (iter = l.begin(); iter != l.end(); ++iter) { | |
10048 | bufferlist& bl = *iter; | |
10049 | r = d->client_cb->handle_data(bl, 0, bl.length()); | |
10050 | if (r < 0) { | |
10051 | dout(0) << "ERROR: flush_read_list(): d->client_cb->handle_data() returned " << r << dendl; | |
10052 | break; | |
10053 | } | |
10054 | } | |
10055 | ||
10056 | d->data_lock.Lock(); | |
10057 | d->put(); | |
10058 | if (r < 0) { | |
10059 | d->set_cancelled(r); | |
10060 | } | |
10061 | d->data_lock.Unlock(); | |
10062 | return r; | |
10063 | } | |
10064 | ||
10065 | int RGWRados::get_obj_iterate_cb(RGWObjectCtx *ctx, RGWObjState *astate, | |
10066 | const RGWBucketInfo& bucket_info, | |
10067 | const rgw_obj& obj, | |
10068 | const rgw_raw_obj& read_obj, | |
10069 | off_t obj_ofs, | |
10070 | off_t read_ofs, off_t len, | |
10071 | bool is_head_obj, void *arg) | |
10072 | { | |
10073 | RGWObjectCtx *rctx = static_cast<RGWObjectCtx *>(ctx); | |
10074 | ObjectReadOperation op; | |
10075 | struct get_obj_data *d = (struct get_obj_data *)arg; | |
10076 | string oid, key; | |
10077 | bufferlist *pbl; | |
10078 | AioCompletion *c; | |
10079 | ||
10080 | int r; | |
10081 | ||
10082 | if (is_head_obj) { | |
10083 | /* only when reading from the head object do we need to do the atomic test */ | |
10084 | r = append_atomic_test(rctx, bucket_info, obj, op, &astate); | |
10085 | if (r < 0) | |
10086 | return r; | |
10087 | ||
10088 | if (astate && | |
10089 | obj_ofs < astate->data.length()) { | |
10090 | unsigned chunk_len = min((uint64_t)astate->data.length() - obj_ofs, (uint64_t)len); | |
10091 | ||
10092 | d->data_lock.Lock(); | |
10093 | r = d->client_cb->handle_data(astate->data, obj_ofs, chunk_len); | |
10094 | d->data_lock.Unlock(); | |
10095 | if (r < 0) | |
10096 | return r; | |
10097 | ||
10098 | d->lock.Lock(); | |
10099 | d->total_read += chunk_len; | |
10100 | d->lock.Unlock(); | |
10101 | ||
10102 | len -= chunk_len; | |
10103 | read_ofs += chunk_len; | |
10104 | obj_ofs += chunk_len; | |
10105 | if (!len) | |
10106 | return 0; | |
10107 | } | |
10108 | } | |
10109 | ||
10110 | d->throttle.get(len); | |
10111 | if (d->is_cancelled()) { | |
10112 | return d->get_err_code(); | |
10113 | } | |
10114 | ||
10115 | /* add io after we check that we're not cancelled, otherwise we're going to have trouble | |
10116 | * cleaning up | |
10117 | */ | |
10118 | d->add_io(obj_ofs, len, &pbl, &c); | |
10119 | ||
10120 | ldout(cct, 20) << "rados->get_obj_iterate_cb oid=" << read_obj.oid << " obj-ofs=" << obj_ofs << " read_ofs=" << read_ofs << " len=" << len << dendl; | |
10121 | op.read(read_ofs, len, pbl, NULL); | |
10122 | ||
10123 | librados::IoCtx io_ctx(d->io_ctx); | |
10124 | io_ctx.locator_set_key(read_obj.loc); | |
10125 | ||
10126 | r = io_ctx.aio_operate(read_obj.oid, c, &op, NULL); | |
10127 | if (r < 0) { | |
10128 | ldout(cct, 0) << "rados->aio_operate r=" << r << dendl; | |
10129 | goto done_err; | |
10130 | } | |
10131 | ||
10132 | // Flush data to client if there is any | |
10133 | r = flush_read_list(d); | |
10134 | if (r < 0) | |
10135 | return r; | |
10136 | ||
10137 | return 0; | |
10138 | ||
10139 | done_err: | |
10140 | ldout(cct, 20) << "cancelling io r=" << r << " obj_ofs=" << obj_ofs << dendl; | |
10141 | d->set_cancelled(r); | |
10142 | d->cancel_io(obj_ofs); | |
10143 | ||
10144 | return r; | |
10145 | } | |
10146 | ||
10147 | int RGWRados::Object::Read::iterate(int64_t ofs, int64_t end, RGWGetDataCB *cb) | |
10148 | { | |
10149 | RGWRados *store = source->get_store(); | |
10150 | CephContext *cct = store->ctx(); | |
10151 | ||
10152 | struct get_obj_data *data = new get_obj_data(cct); | |
10153 | bool done = false; | |
10154 | ||
10155 | RGWObjectCtx& obj_ctx = source->get_ctx(); | |
10156 | ||
10157 | data->rados = store; | |
10158 | data->io_ctx.dup(state.io_ctx); | |
10159 | data->client_cb = cb; | |
10160 | ||
10161 | 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); | |
10162 | if (r < 0) { | |
10163 | data->cancel_all_io(); | |
10164 | goto done; | |
10165 | } | |
10166 | ||
10167 | while (!done) { | |
10168 | r = data->wait_next_io(&done); | |
10169 | if (r < 0) { | |
10170 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10171 | data->cancel_all_io(); | |
10172 | break; | |
10173 | } | |
10174 | r = store->flush_read_list(data); | |
10175 | if (r < 0) { | |
10176 | dout(10) << "get_obj_iterate() r=" << r << ", canceling all io" << dendl; | |
10177 | data->cancel_all_io(); | |
10178 | break; | |
10179 | } | |
10180 | } | |
10181 | ||
10182 | done: | |
10183 | data->put(); | |
10184 | return r; | |
10185 | } | |
10186 | ||
10187 | int RGWRados::iterate_obj(RGWObjectCtx& obj_ctx, | |
10188 | const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
10189 | off_t ofs, off_t end, | |
10190 | uint64_t max_chunk_size, | |
10191 | int (*iterate_obj_cb)(const RGWBucketInfo&, const rgw_obj& obj, | |
10192 | const rgw_raw_obj&, off_t, off_t, off_t, bool, | |
10193 | RGWObjState *, void *), | |
10194 | void *arg) | |
10195 | { | |
10196 | rgw_raw_obj head_obj; | |
10197 | rgw_raw_obj read_obj; | |
10198 | uint64_t read_ofs = ofs; | |
10199 | uint64_t len; | |
10200 | bool reading_from_head = true; | |
10201 | RGWObjState *astate = NULL; | |
10202 | ||
10203 | obj_to_raw(bucket_info.placement_rule, obj, &head_obj); | |
10204 | ||
10205 | int r = get_obj_state(&obj_ctx, bucket_info, obj, &astate, false); | |
10206 | if (r < 0) { | |
10207 | return r; | |
10208 | } | |
10209 | ||
10210 | if (end < 0) | |
10211 | len = 0; | |
10212 | else | |
10213 | len = end - ofs + 1; | |
10214 | ||
10215 | if (astate->has_manifest) { | |
10216 | /* now get the relevant object stripe */ | |
10217 | RGWObjManifest::obj_iterator iter = astate->manifest.obj_find(ofs); | |
10218 | ||
10219 | RGWObjManifest::obj_iterator obj_end = astate->manifest.obj_end(); | |
10220 | ||
10221 | for (; iter != obj_end && ofs <= end; ++iter) { | |
10222 | off_t stripe_ofs = iter.get_stripe_ofs(); | |
10223 | off_t next_stripe_ofs = stripe_ofs + iter.get_stripe_size(); | |
10224 | ||
10225 | while (ofs < next_stripe_ofs && ofs <= end) { | |
10226 | read_obj = iter.get_location().get_raw_obj(this); | |
10227 | uint64_t read_len = min(len, iter.get_stripe_size() - (ofs - stripe_ofs)); | |
10228 | read_ofs = iter.location_ofs() + (ofs - stripe_ofs); | |
10229 | ||
10230 | if (read_len > max_chunk_size) { | |
10231 | read_len = max_chunk_size; | |
10232 | } | |
10233 | ||
10234 | reading_from_head = (read_obj == head_obj); | |
10235 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, read_ofs, read_len, reading_from_head, astate, arg); | |
10236 | if (r < 0) { | |
10237 | return r; | |
10238 | } | |
10239 | ||
10240 | len -= read_len; | |
10241 | ofs += read_len; | |
10242 | } | |
10243 | } | |
10244 | } else { | |
10245 | while (ofs <= end) { | |
10246 | read_obj = head_obj; | |
10247 | uint64_t read_len = min(len, max_chunk_size); | |
10248 | ||
10249 | r = iterate_obj_cb(bucket_info, obj, read_obj, ofs, ofs, read_len, reading_from_head, astate, arg); | |
10250 | if (r < 0) { | |
10251 | return r; | |
10252 | } | |
10253 | ||
10254 | len -= read_len; | |
10255 | ofs += read_len; | |
10256 | } | |
10257 | } | |
10258 | ||
10259 | return 0; | |
10260 | } | |
10261 | ||
10262 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectWriteOperation *op) | |
10263 | { | |
10264 | rgw_rados_ref ref; | |
10265 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10266 | if (r < 0) { | |
10267 | return r; | |
10268 | } | |
10269 | ||
10270 | return ref.ioctx.operate(ref.oid, op); | |
10271 | } | |
10272 | ||
10273 | int RGWRados::obj_operate(const RGWBucketInfo& bucket_info, const rgw_obj& obj, ObjectReadOperation *op) | |
10274 | { | |
10275 | rgw_rados_ref ref; | |
10276 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10277 | if (r < 0) { | |
10278 | return r; | |
10279 | } | |
10280 | ||
10281 | bufferlist outbl; | |
10282 | ||
10283 | return ref.ioctx.operate(ref.oid, op, &outbl); | |
10284 | } | |
10285 | ||
10286 | int RGWRados::olh_init_modification_impl(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, string *op_tag) | |
10287 | { | |
10288 | ObjectWriteOperation op; | |
10289 | ||
10290 | assert(olh_obj.key.instance.empty()); | |
10291 | ||
10292 | bool has_tag = (state.exists && has_olh_tag(state.attrset)); | |
10293 | ||
10294 | if (!state.exists) { | |
10295 | op.create(true); | |
10296 | } else { | |
10297 | op.assert_exists(); | |
10298 | } | |
10299 | ||
10300 | /* | |
10301 | * 3 possible cases: olh object doesn't exist, it exists as an olh, it exists as a regular object. | |
10302 | * If it exists as a regular object we'll need to transform it into an olh. We'll do it in two | |
10303 | * steps, first change its tag and set the olh pending attrs. Once write is done we'll need to | |
10304 | * truncate it, remove extra attrs, and send it to the garbage collection. The bucket index olh | |
10305 | * log will reflect that. | |
10306 | * | |
10307 | * Need to generate separate olh and obj tags, as olh can be colocated with object data. obj_tag | |
10308 | * is used for object data instance, olh_tag for olh instance. | |
10309 | */ | |
10310 | if (has_tag) { | |
10311 | /* guard against racing writes */ | |
10312 | bucket_index_guard_olh_op(state, op); | |
10313 | } | |
10314 | ||
10315 | if (!has_tag) { | |
10316 | /* obj tag */ | |
10317 | string obj_tag; | |
10318 | int ret = gen_rand_alphanumeric_lower(cct, &obj_tag, 32); | |
10319 | if (ret < 0) { | |
10320 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10321 | return ret; | |
10322 | } | |
10323 | bufferlist bl; | |
10324 | bl.append(obj_tag.c_str(), obj_tag.size()); | |
10325 | op.setxattr(RGW_ATTR_ID_TAG, bl); | |
10326 | ||
10327 | state.attrset[RGW_ATTR_ID_TAG] = bl; | |
10328 | state.obj_tag = bl; | |
10329 | ||
10330 | /* olh tag */ | |
10331 | string olh_tag; | |
10332 | ret = gen_rand_alphanumeric_lower(cct, &olh_tag, 32); | |
10333 | if (ret < 0) { | |
10334 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10335 | return ret; | |
10336 | } | |
10337 | bufferlist olh_bl; | |
10338 | olh_bl.append(olh_tag.c_str(), olh_tag.size()); | |
10339 | op.setxattr(RGW_ATTR_OLH_ID_TAG, olh_bl); | |
10340 | ||
10341 | state.attrset[RGW_ATTR_OLH_ID_TAG] = olh_bl; | |
10342 | state.olh_tag = olh_bl; | |
10343 | state.is_olh = true; | |
10344 | ||
10345 | bufferlist verbl; | |
10346 | op.setxattr(RGW_ATTR_OLH_VER, verbl); | |
10347 | } | |
10348 | ||
10349 | bufferlist bl; | |
10350 | RGWOLHPendingInfo pending_info; | |
10351 | pending_info.time = real_clock::now(); | |
10352 | ::encode(pending_info, bl); | |
10353 | ||
10354 | #define OLH_PENDING_TAG_LEN 32 | |
10355 | /* tag will start with current time epoch, this so that entries are sorted by time */ | |
10356 | char buf[32]; | |
10357 | utime_t ut(pending_info.time); | |
10358 | snprintf(buf, sizeof(buf), "%016llx", (unsigned long long)ut.sec()); | |
10359 | *op_tag = buf; | |
10360 | ||
10361 | string s; | |
10362 | int ret = gen_rand_alphanumeric_lower(cct, &s, OLH_PENDING_TAG_LEN - op_tag->size()); | |
10363 | if (ret < 0) { | |
10364 | ldout(cct, 0) << "ERROR: gen_rand_alphanumeric_lower() returned ret=" << ret << dendl; | |
10365 | return ret; | |
10366 | } | |
10367 | op_tag->append(s); | |
10368 | ||
10369 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
10370 | attr_name.append(*op_tag); | |
10371 | ||
10372 | op.setxattr(attr_name.c_str(), bl); | |
10373 | ||
10374 | ret = obj_operate(bucket_info, olh_obj, &op); | |
10375 | if (ret < 0) { | |
10376 | return ret; | |
10377 | } | |
10378 | ||
10379 | state.exists = true; | |
10380 | state.attrset[attr_name] = bl; | |
10381 | ||
10382 | return 0; | |
10383 | } | |
10384 | ||
10385 | int RGWRados::olh_init_modification(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj, string *op_tag) | |
10386 | { | |
10387 | int ret; | |
10388 | ||
10389 | ret = olh_init_modification_impl(bucket_info, state, obj, op_tag); | |
10390 | if (ret == -EEXIST) { | |
10391 | ret = -ECANCELED; | |
10392 | } | |
10393 | ||
10394 | return ret; | |
10395 | } | |
10396 | ||
10397 | int RGWRados::bucket_index_link_olh(const RGWBucketInfo& bucket_info, RGWObjState& olh_state, const rgw_obj& obj_instance, | |
10398 | bool delete_marker, | |
10399 | const string& op_tag, | |
10400 | struct rgw_bucket_dir_entry_meta *meta, | |
10401 | uint64_t olh_epoch, | |
10402 | real_time unmod_since, bool high_precision_time) | |
10403 | { | |
10404 | rgw_rados_ref ref; | |
10405 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10406 | if (r < 0) { | |
10407 | return r; | |
10408 | } | |
10409 | ||
10410 | BucketShard bs(this); | |
10411 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10412 | if (ret < 0) { | |
10413 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10414 | return ret; | |
10415 | } | |
10416 | ||
10417 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); | |
10418 | ret = cls_rgw_bucket_link_olh(bs.index_ctx, bs.bucket_obj, key, olh_state.olh_tag, delete_marker, op_tag, meta, olh_epoch, | |
10419 | unmod_since, high_precision_time, | |
10420 | get_zone().log_data); | |
10421 | if (ret < 0) { | |
10422 | return ret; | |
10423 | } | |
10424 | ||
10425 | return 0; | |
10426 | } | |
10427 | ||
10428 | void RGWRados::bucket_index_guard_olh_op(RGWObjState& olh_state, ObjectOperation& op) | |
10429 | { | |
10430 | ldout(cct, 20) << __func__ << "(): olh_state.olh_tag=" << string(olh_state.olh_tag.c_str(), olh_state.olh_tag.length()) << dendl; | |
10431 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_state.olh_tag); | |
10432 | } | |
10433 | ||
10434 | int RGWRados::bucket_index_unlink_instance(const RGWBucketInfo& bucket_info, const rgw_obj& obj_instance, | |
10435 | const string& op_tag, const string& olh_tag, uint64_t olh_epoch) | |
10436 | { | |
10437 | rgw_rados_ref ref; | |
10438 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10439 | if (r < 0) { | |
10440 | return r; | |
10441 | } | |
10442 | ||
10443 | BucketShard bs(this); | |
10444 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10445 | if (ret < 0) { | |
10446 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10447 | return ret; | |
10448 | } | |
10449 | ||
10450 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), obj_instance.key.instance); | |
10451 | ret = cls_rgw_bucket_unlink_instance(bs.index_ctx, bs.bucket_obj, key, op_tag, olh_tag, olh_epoch, get_zone().log_data); | |
10452 | if (ret < 0) { | |
10453 | return ret; | |
10454 | } | |
10455 | ||
10456 | return 0; | |
10457 | } | |
10458 | ||
10459 | int RGWRados::bucket_index_read_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, | |
10460 | const rgw_obj& obj_instance, uint64_t ver_marker, | |
10461 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > *log, | |
10462 | bool *is_truncated) | |
10463 | { | |
10464 | rgw_rados_ref ref; | |
10465 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10466 | if (r < 0) { | |
10467 | return r; | |
10468 | } | |
10469 | ||
10470 | BucketShard bs(this); | |
10471 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10472 | if (ret < 0) { | |
10473 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10474 | return ret; | |
10475 | } | |
10476 | ||
10477 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10478 | ||
10479 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10480 | ||
10481 | ObjectReadOperation op; | |
10482 | ||
10483 | ret = cls_rgw_get_olh_log(bs.index_ctx, bs.bucket_obj, op, key, ver_marker, olh_tag, log, is_truncated); | |
10484 | if (ret < 0) | |
10485 | return ret; | |
10486 | ||
10487 | return 0; | |
10488 | } | |
10489 | ||
10490 | int RGWRados::bucket_index_trim_olh_log(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance, uint64_t ver) | |
10491 | { | |
10492 | rgw_rados_ref ref; | |
10493 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10494 | if (r < 0) { | |
10495 | return r; | |
10496 | } | |
10497 | ||
10498 | BucketShard bs(this); | |
10499 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10500 | if (ret < 0) { | |
10501 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10502 | return ret; | |
10503 | } | |
10504 | ||
10505 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10506 | ||
10507 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10508 | ||
10509 | ObjectWriteOperation op; | |
10510 | ||
10511 | cls_rgw_trim_olh_log(op, key, ver, olh_tag); | |
10512 | ||
10513 | ret = bs.index_ctx.operate(bs.bucket_obj, &op); | |
10514 | if (ret < 0) | |
10515 | return ret; | |
10516 | ||
10517 | return 0; | |
10518 | } | |
10519 | ||
10520 | int RGWRados::bucket_index_clear_olh(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& obj_instance) | |
10521 | { | |
10522 | rgw_rados_ref ref; | |
10523 | int r = get_obj_head_ref(bucket_info, obj_instance, &ref); | |
10524 | if (r < 0) { | |
10525 | return r; | |
10526 | } | |
10527 | ||
10528 | BucketShard bs(this); | |
10529 | int ret = bs.init(obj_instance.bucket, obj_instance); | |
10530 | if (ret < 0) { | |
10531 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
10532 | return ret; | |
10533 | } | |
10534 | ||
10535 | string olh_tag(state.olh_tag.c_str(), state.olh_tag.length()); | |
10536 | ||
10537 | cls_rgw_obj_key key(obj_instance.key.get_index_key_name(), string()); | |
10538 | ||
10539 | ret = cls_rgw_clear_olh(bs.index_ctx, bs.bucket_obj, key, olh_tag); | |
10540 | if (ret < 0) { | |
10541 | ldout(cct, 5) << "cls_rgw_clear_olh() returned ret=" << ret << dendl; | |
10542 | return ret; | |
10543 | } | |
10544 | ||
10545 | return 0; | |
10546 | } | |
10547 | ||
10548 | int RGWRados::apply_olh_log(RGWObjectCtx& obj_ctx, RGWObjState& state, const RGWBucketInfo& bucket_info, const rgw_obj& obj, | |
10549 | bufferlist& olh_tag, map<uint64_t, vector<rgw_bucket_olh_log_entry> >& log, | |
10550 | uint64_t *plast_ver) | |
10551 | { | |
10552 | if (log.empty()) { | |
10553 | return 0; | |
10554 | } | |
10555 | ||
10556 | librados::ObjectWriteOperation op; | |
10557 | ||
10558 | uint64_t last_ver = log.rbegin()->first; | |
10559 | *plast_ver = last_ver; | |
10560 | ||
10561 | map<uint64_t, vector<rgw_bucket_olh_log_entry> >::iterator iter = log.begin(); | |
10562 | ||
10563 | op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
10564 | op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
10565 | ||
10566 | bool need_to_link = false; | |
10567 | cls_rgw_obj_key key; | |
10568 | bool delete_marker = false; | |
10569 | list<cls_rgw_obj_key> remove_instances; | |
10570 | bool need_to_remove = false; | |
10571 | ||
10572 | for (iter = log.begin(); iter != log.end(); ++iter) { | |
10573 | vector<rgw_bucket_olh_log_entry>::iterator viter = iter->second.begin(); | |
10574 | for (; viter != iter->second.end(); ++viter) { | |
10575 | rgw_bucket_olh_log_entry& entry = *viter; | |
10576 | ||
10577 | ldout(cct, 20) << "olh_log_entry: op=" << (int)entry.op | |
10578 | << " key=" << entry.key.name << "[" << entry.key.instance << "] " | |
10579 | << (entry.delete_marker ? "(delete)" : "") << dendl; | |
10580 | switch (entry.op) { | |
10581 | case CLS_RGW_OLH_OP_REMOVE_INSTANCE: | |
10582 | remove_instances.push_back(entry.key); | |
10583 | break; | |
10584 | case CLS_RGW_OLH_OP_LINK_OLH: | |
10585 | need_to_link = true; | |
10586 | need_to_remove = false; | |
10587 | key = entry.key; | |
10588 | delete_marker = entry.delete_marker; | |
10589 | break; | |
10590 | case CLS_RGW_OLH_OP_UNLINK_OLH: | |
10591 | need_to_remove = true; | |
10592 | need_to_link = false; | |
10593 | break; | |
10594 | default: | |
10595 | ldout(cct, 0) << "ERROR: apply_olh_log: invalid op: " << (int)entry.op << dendl; | |
10596 | return -EIO; | |
10597 | } | |
10598 | string attr_name = RGW_ATTR_OLH_PENDING_PREFIX; | |
10599 | attr_name.append(entry.op_tag); | |
10600 | op.rmxattr(attr_name.c_str()); | |
10601 | } | |
10602 | } | |
10603 | ||
10604 | rgw_rados_ref ref; | |
10605 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
10606 | if (r < 0) { | |
10607 | return r; | |
10608 | } | |
10609 | ||
10610 | const rgw_bucket& bucket = obj.bucket; | |
10611 | ||
10612 | if (need_to_link) { | |
10613 | rgw_obj target(bucket, key); | |
10614 | RGWOLHInfo info; | |
10615 | info.target = target; | |
10616 | info.removed = delete_marker; | |
10617 | bufferlist bl; | |
10618 | ::encode(info, bl); | |
10619 | op.setxattr(RGW_ATTR_OLH_INFO, bl); | |
10620 | } | |
10621 | ||
10622 | /* first remove object instances */ | |
10623 | for (list<cls_rgw_obj_key>::iterator liter = remove_instances.begin(); | |
10624 | liter != remove_instances.end(); ++liter) { | |
10625 | cls_rgw_obj_key& key = *liter; | |
10626 | rgw_obj obj_instance(bucket, key); | |
10627 | int ret = delete_obj(obj_ctx, bucket_info, obj_instance, 0, RGW_BILOG_FLAG_VERSIONED_OP); | |
10628 | if (ret < 0 && ret != -ENOENT) { | |
10629 | ldout(cct, 0) << "ERROR: delete_obj() returned " << ret << " obj_instance=" << obj_instance << dendl; | |
10630 | return ret; | |
10631 | } | |
10632 | } | |
10633 | ||
10634 | /* update olh object */ | |
10635 | r = ref.ioctx.operate(ref.oid, &op); | |
10636 | if (r == -ECANCELED) { | |
10637 | r = 0; | |
10638 | } | |
10639 | if (r < 0) { | |
10640 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
10641 | return r; | |
10642 | } | |
10643 | ||
10644 | r = bucket_index_trim_olh_log(bucket_info, state, obj, last_ver); | |
10645 | if (r < 0) { | |
10646 | ldout(cct, 0) << "ERROR: could not trim olh log, r=" << r << dendl; | |
10647 | return r; | |
10648 | } | |
10649 | ||
10650 | if (need_to_remove) { | |
10651 | ObjectWriteOperation rm_op; | |
10652 | ||
10653 | rm_op.cmpxattr(RGW_ATTR_OLH_ID_TAG, CEPH_OSD_CMPXATTR_OP_EQ, olh_tag); | |
10654 | rm_op.cmpxattr(RGW_ATTR_OLH_VER, CEPH_OSD_CMPXATTR_OP_GT, last_ver); | |
10655 | cls_obj_check_prefix_exist(rm_op, RGW_ATTR_OLH_PENDING_PREFIX, true); /* fail if found one of these, pending modification */ | |
10656 | rm_op.remove(); | |
10657 | ||
10658 | r = ref.ioctx.operate(ref.oid, &rm_op); | |
10659 | if (r == -ECANCELED) { | |
10660 | return 0; /* someone else won this race */ | |
10661 | } else { | |
10662 | /* | |
10663 | * only clear if was successful, otherwise we might clobber pending operations on this object | |
10664 | */ | |
10665 | r = bucket_index_clear_olh(bucket_info, state, obj); | |
10666 | if (r < 0) { | |
10667 | ldout(cct, 0) << "ERROR: could not clear bucket index olh entries r=" << r << dendl; | |
10668 | return r; | |
10669 | } | |
10670 | } | |
10671 | } | |
10672 | ||
10673 | return 0; | |
10674 | } | |
10675 | ||
10676 | /* | |
10677 | * read olh log and apply it | |
10678 | */ | |
10679 | int RGWRados::update_olh(RGWObjectCtx& obj_ctx, RGWObjState *state, const RGWBucketInfo& bucket_info, const rgw_obj& obj) | |
10680 | { | |
10681 | map<uint64_t, vector<rgw_bucket_olh_log_entry> > log; | |
10682 | bool is_truncated; | |
10683 | uint64_t ver_marker = 0; | |
10684 | ||
10685 | do { | |
10686 | int ret = bucket_index_read_olh_log(bucket_info, *state, obj, ver_marker, &log, &is_truncated); | |
10687 | if (ret < 0) { | |
10688 | return ret; | |
10689 | } | |
10690 | ret = apply_olh_log(obj_ctx, *state, bucket_info, obj, state->olh_tag, log, &ver_marker); | |
10691 | if (ret < 0) { | |
10692 | return ret; | |
10693 | } | |
10694 | } while (is_truncated); | |
10695 | ||
10696 | return 0; | |
10697 | } | |
10698 | ||
10699 | int RGWRados::set_olh(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, bool delete_marker, rgw_bucket_dir_entry_meta *meta, | |
10700 | uint64_t olh_epoch, real_time unmod_since, bool high_precision_time) | |
10701 | { | |
10702 | string op_tag; | |
10703 | ||
10704 | rgw_obj olh_obj = target_obj; | |
10705 | olh_obj.key.instance.clear(); | |
10706 | ||
10707 | RGWObjState *state = NULL; | |
10708 | ||
10709 | int ret = 0; | |
10710 | int i; | |
10711 | ||
10712 | #define MAX_ECANCELED_RETRY 100 | |
10713 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
10714 | if (ret == -ECANCELED) { | |
10715 | obj_ctx.obj.invalidate(olh_obj); | |
10716 | } | |
10717 | ||
10718 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
10719 | if (ret < 0) { | |
10720 | return ret; | |
10721 | } | |
10722 | ||
10723 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
10724 | if (ret < 0) { | |
10725 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
10726 | if (ret == -ECANCELED) { | |
10727 | continue; | |
10728 | } | |
10729 | return ret; | |
10730 | } | |
10731 | ret = bucket_index_link_olh(bucket_info, *state, target_obj, delete_marker, op_tag, meta, olh_epoch, unmod_since, high_precision_time); | |
10732 | if (ret < 0) { | |
10733 | ldout(cct, 20) << "bucket_index_link_olh() target_obj=" << target_obj << " delete_marker=" << (int)delete_marker << " returned " << ret << dendl; | |
10734 | if (ret == -ECANCELED) { | |
10735 | continue; | |
10736 | } | |
10737 | return ret; | |
10738 | } | |
10739 | break; | |
10740 | } | |
10741 | ||
10742 | if (i == MAX_ECANCELED_RETRY) { | |
10743 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
10744 | return -EIO; | |
10745 | } | |
10746 | ||
10747 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
10748 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ | |
10749 | ret = 0; | |
10750 | } | |
10751 | if (ret < 0) { | |
10752 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
10753 | return ret; | |
10754 | } | |
10755 | ||
10756 | return 0; | |
10757 | } | |
10758 | ||
10759 | int RGWRados::unlink_obj_instance(RGWObjectCtx& obj_ctx, RGWBucketInfo& bucket_info, const rgw_obj& target_obj, | |
10760 | uint64_t olh_epoch) | |
10761 | { | |
10762 | string op_tag; | |
10763 | ||
10764 | rgw_obj olh_obj = target_obj; | |
10765 | olh_obj.key.instance.clear(); | |
10766 | ||
10767 | RGWObjState *state = NULL; | |
10768 | ||
10769 | int ret = 0; | |
10770 | int i; | |
10771 | ||
10772 | for (i = 0; i < MAX_ECANCELED_RETRY; i++) { | |
10773 | if (ret == -ECANCELED) { | |
10774 | obj_ctx.obj.invalidate(olh_obj); | |
10775 | } | |
10776 | ||
10777 | ret = get_obj_state(&obj_ctx, bucket_info, olh_obj, &state, false); /* don't follow olh */ | |
10778 | if (ret < 0) | |
10779 | return ret; | |
10780 | ||
10781 | ret = olh_init_modification(bucket_info, *state, olh_obj, &op_tag); | |
10782 | if (ret < 0) { | |
10783 | ldout(cct, 20) << "olh_init_modification() target_obj=" << target_obj << " returned " << ret << dendl; | |
10784 | if (ret == -ECANCELED) { | |
10785 | continue; | |
10786 | } | |
10787 | return ret; | |
10788 | } | |
10789 | ||
10790 | string olh_tag(state->olh_tag.c_str(), state->olh_tag.length()); | |
10791 | ||
10792 | ret = bucket_index_unlink_instance(bucket_info, target_obj, op_tag, olh_tag, olh_epoch); | |
10793 | if (ret < 0) { | |
10794 | ldout(cct, 20) << "bucket_index_unlink_instance() target_obj=" << target_obj << " returned " << ret << dendl; | |
10795 | if (ret == -ECANCELED) { | |
10796 | continue; | |
10797 | } | |
10798 | return ret; | |
10799 | } | |
10800 | break; | |
10801 | } | |
10802 | ||
10803 | if (i == MAX_ECANCELED_RETRY) { | |
10804 | ldout(cct, 0) << "ERROR: exceeded max ECANCELED retries, aborting (EIO)" << dendl; | |
10805 | return -EIO; | |
10806 | } | |
10807 | ||
10808 | ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
10809 | if (ret == -ECANCELED) { /* already did what we needed, no need to retry, raced with another user */ | |
10810 | return 0; | |
10811 | } | |
10812 | if (ret < 0) { | |
10813 | ldout(cct, 20) << "update_olh() target_obj=" << target_obj << " returned " << ret << dendl; | |
10814 | return ret; | |
10815 | } | |
10816 | ||
10817 | return 0; | |
10818 | } | |
10819 | ||
10820 | void RGWRados::gen_rand_obj_instance_name(rgw_obj *target_obj) | |
10821 | { | |
10822 | #define OBJ_INSTANCE_LEN 32 | |
10823 | char buf[OBJ_INSTANCE_LEN + 1]; | |
10824 | ||
10825 | gen_rand_alphanumeric_no_underscore(cct, buf, OBJ_INSTANCE_LEN); /* don't want it to get url escaped, | |
10826 | no underscore for instance name due to the way we encode the raw keys */ | |
10827 | ||
10828 | target_obj->key.set_instance(buf); | |
10829 | } | |
10830 | ||
10831 | static void filter_attrset(map<string, bufferlist>& unfiltered_attrset, const string& check_prefix, | |
10832 | map<string, bufferlist> *attrset) | |
10833 | { | |
10834 | attrset->clear(); | |
10835 | map<string, bufferlist>::iterator iter; | |
10836 | for (iter = unfiltered_attrset.lower_bound(check_prefix); | |
10837 | iter != unfiltered_attrset.end(); ++iter) { | |
10838 | if (!boost::algorithm::starts_with(iter->first, check_prefix)) | |
10839 | break; | |
10840 | (*attrset)[iter->first] = iter->second; | |
10841 | } | |
10842 | } | |
10843 | ||
10844 | int RGWRados::get_olh(const RGWBucketInfo& bucket_info, const rgw_obj& obj, RGWOLHInfo *olh) | |
10845 | { | |
10846 | map<string, bufferlist> unfiltered_attrset; | |
10847 | ||
10848 | ObjectReadOperation op; | |
10849 | op.getxattrs(&unfiltered_attrset, NULL); | |
10850 | ||
10851 | bufferlist outbl; | |
10852 | int r = obj_operate(bucket_info, obj, &op); | |
10853 | ||
10854 | if (r < 0) { | |
10855 | return r; | |
10856 | } | |
10857 | map<string, bufferlist> attrset; | |
10858 | ||
10859 | filter_attrset(unfiltered_attrset, RGW_ATTR_OLH_PREFIX, &attrset); | |
10860 | ||
10861 | map<string, bufferlist>::iterator iter = attrset.find(RGW_ATTR_OLH_INFO); | |
10862 | if (iter == attrset.end()) { /* not an olh */ | |
10863 | return -EINVAL; | |
10864 | } | |
10865 | ||
10866 | try { | |
10867 | bufferlist::iterator biter = iter->second.begin(); | |
10868 | ::decode(*olh, biter); | |
10869 | } catch (buffer::error& err) { | |
10870 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
10871 | return -EIO; | |
10872 | } | |
10873 | ||
10874 | return 0; | |
10875 | } | |
10876 | ||
10877 | void RGWRados::check_pending_olh_entries(map<string, bufferlist>& pending_entries, | |
10878 | map<string, bufferlist> *rm_pending_entries) | |
10879 | { | |
10880 | map<string, bufferlist>::iterator iter = pending_entries.begin(); | |
10881 | ||
10882 | real_time now = real_clock::now(); | |
10883 | ||
10884 | while (iter != pending_entries.end()) { | |
10885 | bufferlist::iterator biter = iter->second.begin(); | |
10886 | RGWOLHPendingInfo pending_info; | |
10887 | try { | |
10888 | ::decode(pending_info, biter); | |
10889 | } catch (buffer::error& err) { | |
10890 | /* skipping bad entry, we could remove it but it might hide a bug */ | |
10891 | ldout(cct, 0) << "ERROR: failed to decode pending entry " << iter->first << dendl; | |
10892 | ++iter; | |
10893 | continue; | |
10894 | } | |
10895 | ||
10896 | map<string, bufferlist>::iterator cur_iter = iter; | |
10897 | ++iter; | |
10898 | if (now - pending_info.time >= make_timespan(cct->_conf->rgw_olh_pending_timeout_sec)) { | |
10899 | (*rm_pending_entries)[cur_iter->first] = cur_iter->second; | |
10900 | pending_entries.erase(cur_iter); | |
10901 | } else { | |
10902 | /* entries names are sorted by time (rounded to a second) */ | |
10903 | break; | |
10904 | } | |
10905 | } | |
10906 | } | |
10907 | ||
10908 | int RGWRados::remove_olh_pending_entries(const RGWBucketInfo& bucket_info, RGWObjState& state, const rgw_obj& olh_obj, map<string, bufferlist>& pending_attrs) | |
10909 | { | |
10910 | ObjectWriteOperation op; | |
10911 | ||
10912 | bucket_index_guard_olh_op(state, op); | |
10913 | ||
10914 | for (map<string, bufferlist>::iterator iter = pending_attrs.begin(); iter != pending_attrs.end(); ++iter) { | |
10915 | op.rmxattr(iter->first.c_str()); | |
10916 | } | |
10917 | ||
10918 | rgw_rados_ref ref; | |
10919 | int r = get_obj_head_ref(bucket_info, olh_obj, &ref); | |
10920 | if (r < 0) { | |
10921 | return r; | |
10922 | } | |
10923 | ||
10924 | /* update olh object */ | |
10925 | r = ref.ioctx.operate(ref.oid, &op); | |
10926 | if (r == -ENOENT || r == -ECANCELED) { | |
10927 | /* raced with some other change, shouldn't sweat about it */ | |
10928 | r = 0; | |
10929 | } | |
10930 | if (r < 0) { | |
10931 | ldout(cct, 0) << "ERROR: could not apply olh update, r=" << r << dendl; | |
10932 | return r; | |
10933 | } | |
10934 | ||
10935 | return 0; | |
10936 | } | |
10937 | ||
10938 | int RGWRados::follow_olh(const RGWBucketInfo& bucket_info, RGWObjectCtx& obj_ctx, RGWObjState *state, const rgw_obj& olh_obj, rgw_obj *target) | |
10939 | { | |
10940 | map<string, bufferlist> pending_entries; | |
10941 | filter_attrset(state->attrset, RGW_ATTR_OLH_PENDING_PREFIX, &pending_entries); | |
10942 | ||
10943 | map<string, bufferlist> rm_pending_entries; | |
10944 | check_pending_olh_entries(pending_entries, &rm_pending_entries); | |
10945 | ||
10946 | if (!rm_pending_entries.empty()) { | |
10947 | int ret = remove_olh_pending_entries(bucket_info, *state, olh_obj, rm_pending_entries); | |
10948 | if (ret < 0) { | |
10949 | ldout(cct, 20) << "ERROR: rm_pending_entries returned ret=" << ret << dendl; | |
10950 | return ret; | |
10951 | } | |
10952 | } | |
10953 | if (!pending_entries.empty()) { | |
10954 | ldout(cct, 20) << __func__ << "(): found pending entries, need to update_olh() on bucket=" << olh_obj.bucket << dendl; | |
10955 | ||
10956 | int ret = update_olh(obj_ctx, state, bucket_info, olh_obj); | |
10957 | if (ret < 0) { | |
10958 | return ret; | |
10959 | } | |
10960 | } | |
10961 | ||
10962 | map<string, bufferlist>::iterator iter = state->attrset.find(RGW_ATTR_OLH_INFO); | |
10963 | assert(iter != state->attrset.end()); | |
10964 | RGWOLHInfo olh; | |
10965 | try { | |
10966 | bufferlist::iterator biter = iter->second.begin(); | |
10967 | ::decode(olh, biter); | |
10968 | } catch (buffer::error& err) { | |
10969 | ldout(cct, 0) << "ERROR: failed to decode olh info" << dendl; | |
10970 | return -EIO; | |
10971 | } | |
10972 | ||
10973 | if (olh.removed) { | |
10974 | return -ENOENT; | |
10975 | } | |
10976 | ||
10977 | *target = olh.target; | |
10978 | ||
10979 | return 0; | |
10980 | } | |
10981 | ||
10982 | int RGWRados::raw_obj_stat(rgw_raw_obj& obj, uint64_t *psize, real_time *pmtime, uint64_t *epoch, | |
10983 | map<string, bufferlist> *attrs, bufferlist *first_chunk, | |
10984 | RGWObjVersionTracker *objv_tracker) | |
10985 | { | |
10986 | rgw_rados_ref ref; | |
10987 | int r = get_raw_obj_ref(obj, &ref); | |
10988 | if (r < 0) { | |
10989 | return r; | |
10990 | } | |
10991 | ||
10992 | map<string, bufferlist> unfiltered_attrset; | |
10993 | uint64_t size = 0; | |
10994 | struct timespec mtime_ts; | |
10995 | ||
10996 | ObjectReadOperation op; | |
10997 | if (objv_tracker) { | |
10998 | objv_tracker->prepare_op_for_read(&op); | |
10999 | } | |
11000 | if (attrs) { | |
11001 | op.getxattrs(&unfiltered_attrset, NULL); | |
11002 | } | |
11003 | if (psize || pmtime) { | |
11004 | op.stat2(&size, &mtime_ts, NULL); | |
11005 | } | |
11006 | if (first_chunk) { | |
11007 | op.read(0, cct->_conf->rgw_max_chunk_size, first_chunk, NULL); | |
11008 | } | |
11009 | bufferlist outbl; | |
11010 | r = ref.ioctx.operate(ref.oid, &op, &outbl); | |
11011 | ||
11012 | if (epoch) { | |
11013 | *epoch = ref.ioctx.get_last_version(); | |
11014 | } | |
11015 | ||
11016 | if (r < 0) | |
11017 | return r; | |
11018 | ||
11019 | if (psize) | |
11020 | *psize = size; | |
11021 | if (pmtime) | |
11022 | *pmtime = ceph::real_clock::from_timespec(mtime_ts); | |
11023 | if (attrs) { | |
11024 | filter_attrset(unfiltered_attrset, RGW_ATTR_PREFIX, attrs); | |
11025 | } | |
11026 | ||
11027 | return 0; | |
11028 | } | |
11029 | ||
11030 | int RGWRados::get_bucket_stats(RGWBucketInfo& bucket_info, int shard_id, string *bucket_ver, string *master_ver, | |
11031 | map<RGWObjCategory, RGWStorageStats>& stats, string *max_marker) | |
11032 | { | |
11033 | map<string, rgw_bucket_dir_header> headers; | |
11034 | map<int, string> bucket_instance_ids; | |
11035 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11036 | if (r < 0) { | |
11037 | return r; | |
11038 | } | |
11039 | ||
11040 | assert(headers.size() == bucket_instance_ids.size()); | |
11041 | ||
11042 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11043 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11044 | BucketIndexShardsManager ver_mgr; | |
11045 | BucketIndexShardsManager master_ver_mgr; | |
11046 | BucketIndexShardsManager marker_mgr; | |
11047 | string shard_marker; | |
11048 | char buf[64]; | |
11049 | for(; iter != headers.end(); ++iter, ++viter) { | |
11050 | accumulate_raw_stats(iter->second, stats); | |
11051 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.ver); | |
11052 | ver_mgr.add(viter->first, string(buf)); | |
11053 | snprintf(buf, sizeof(buf), "%lu", (unsigned long)iter->second.master_ver); | |
11054 | master_ver_mgr.add(viter->first, string(buf)); | |
11055 | if (shard_id >= 0) { | |
11056 | *max_marker = iter->second.max_marker; | |
11057 | } else { | |
11058 | marker_mgr.add(viter->first, iter->second.max_marker); | |
11059 | } | |
11060 | } | |
11061 | ver_mgr.to_string(bucket_ver); | |
11062 | master_ver_mgr.to_string(master_ver); | |
11063 | if (shard_id < 0) { | |
11064 | marker_mgr.to_string(max_marker); | |
11065 | } | |
11066 | return 0; | |
11067 | } | |
11068 | ||
11069 | int RGWRados::get_bi_log_status(RGWBucketInfo& bucket_info, int shard_id, | |
11070 | map<int, string>& markers) | |
11071 | { | |
11072 | map<string, rgw_bucket_dir_header> headers; | |
11073 | map<int, string> bucket_instance_ids; | |
11074 | int r = cls_bucket_head(bucket_info, shard_id, headers, &bucket_instance_ids); | |
11075 | if (r < 0) | |
11076 | return r; | |
11077 | ||
11078 | assert(headers.size() == bucket_instance_ids.size()); | |
11079 | ||
11080 | map<string, rgw_bucket_dir_header>::iterator iter = headers.begin(); | |
11081 | map<int, string>::iterator viter = bucket_instance_ids.begin(); | |
11082 | ||
11083 | for(; iter != headers.end(); ++iter, ++viter) { | |
11084 | if (shard_id >= 0) { | |
11085 | markers[shard_id] = iter->second.max_marker; | |
11086 | } else { | |
11087 | markers[viter->first] = iter->second.max_marker; | |
11088 | } | |
11089 | } | |
11090 | return 0; | |
11091 | } | |
11092 | ||
11093 | class RGWGetBucketStatsContext : public RGWGetDirHeader_CB { | |
11094 | RGWGetBucketStats_CB *cb; | |
11095 | uint32_t pendings; | |
11096 | map<RGWObjCategory, RGWStorageStats> stats; | |
11097 | int ret_code; | |
11098 | bool should_cb; | |
11099 | Mutex lock; | |
11100 | ||
11101 | public: | |
11102 | RGWGetBucketStatsContext(RGWGetBucketStats_CB *_cb, uint32_t _pendings) | |
11103 | : cb(_cb), pendings(_pendings), stats(), ret_code(0), should_cb(true), | |
11104 | lock("RGWGetBucketStatsContext") {} | |
11105 | ||
11106 | void handle_response(int r, rgw_bucket_dir_header& header) override { | |
11107 | Mutex::Locker l(lock); | |
11108 | if (should_cb) { | |
11109 | if ( r >= 0) { | |
11110 | accumulate_raw_stats(header, stats); | |
11111 | } else { | |
11112 | ret_code = r; | |
11113 | } | |
11114 | ||
11115 | // Are we all done? | |
11116 | if (--pendings == 0) { | |
11117 | if (!ret_code) { | |
11118 | cb->set_response(&stats); | |
11119 | } | |
11120 | cb->handle_response(ret_code); | |
11121 | cb->put(); | |
11122 | } | |
11123 | } | |
11124 | } | |
11125 | ||
11126 | void unset_cb() { | |
11127 | Mutex::Locker l(lock); | |
11128 | should_cb = false; | |
11129 | } | |
11130 | }; | |
11131 | ||
11132 | int RGWRados::get_bucket_stats_async(RGWBucketInfo& bucket_info, int shard_id, RGWGetBucketStats_CB *ctx) | |
11133 | { | |
11134 | int num_aio = 0; | |
11135 | RGWGetBucketStatsContext *get_ctx = new RGWGetBucketStatsContext(ctx, bucket_info.num_shards); | |
11136 | assert(get_ctx); | |
11137 | int r = cls_bucket_head_async(bucket_info, shard_id, get_ctx, &num_aio); | |
11138 | get_ctx->put(); | |
11139 | if (r < 0) { | |
11140 | ctx->put(); | |
11141 | if (num_aio) { | |
11142 | get_ctx->unset_cb(); | |
11143 | } | |
11144 | } | |
11145 | return r; | |
11146 | } | |
11147 | ||
11148 | class RGWGetUserStatsContext : public RGWGetUserHeader_CB { | |
11149 | RGWGetUserStats_CB *cb; | |
11150 | ||
11151 | public: | |
11152 | explicit RGWGetUserStatsContext(RGWGetUserStats_CB * const cb) | |
11153 | : cb(cb) {} | |
11154 | ||
11155 | void handle_response(int r, cls_user_header& header) override { | |
11156 | const cls_user_stats& hs = header.stats; | |
11157 | if (r >= 0) { | |
11158 | RGWStorageStats stats; | |
11159 | ||
11160 | stats.size = hs.total_bytes; | |
11161 | stats.size_rounded = hs.total_bytes_rounded; | |
11162 | stats.num_objects = hs.total_entries; | |
11163 | ||
11164 | cb->set_response(stats); | |
11165 | } | |
11166 | ||
11167 | cb->handle_response(r); | |
11168 | ||
11169 | cb->put(); | |
11170 | } | |
11171 | }; | |
11172 | ||
11173 | int RGWRados::get_user_stats(const rgw_user& user, RGWStorageStats& stats) | |
11174 | { | |
11175 | string user_str = user.to_str(); | |
11176 | ||
11177 | cls_user_header header; | |
11178 | int r = cls_user_get_header(user_str, &header); | |
11179 | if (r < 0) | |
11180 | return r; | |
11181 | ||
11182 | const cls_user_stats& hs = header.stats; | |
11183 | ||
11184 | stats.size = hs.total_bytes; | |
11185 | stats.size_rounded = hs.total_bytes_rounded; | |
11186 | stats.num_objects = hs.total_entries; | |
11187 | ||
11188 | return 0; | |
11189 | } | |
11190 | ||
11191 | int RGWRados::get_user_stats_async(const rgw_user& user, RGWGetUserStats_CB *ctx) | |
11192 | { | |
11193 | string user_str = user.to_str(); | |
11194 | ||
11195 | RGWGetUserStatsContext *get_ctx = new RGWGetUserStatsContext(ctx); | |
11196 | int r = cls_user_get_header_async(user_str, get_ctx); | |
11197 | if (r < 0) { | |
11198 | ctx->put(); | |
11199 | delete get_ctx; | |
11200 | return r; | |
11201 | } | |
11202 | ||
11203 | return 0; | |
11204 | } | |
11205 | ||
11206 | void RGWRados::get_bucket_meta_oid(const rgw_bucket& bucket, string& oid) | |
11207 | { | |
11208 | oid = RGW_BUCKET_INSTANCE_MD_PREFIX + bucket.get_key(':'); | |
11209 | } | |
11210 | ||
11211 | void RGWRados::get_bucket_instance_obj(const rgw_bucket& bucket, rgw_raw_obj& obj) | |
11212 | { | |
11213 | if (!bucket.oid.empty()) { | |
11214 | obj.init(get_zone_params().domain_root, bucket.oid); | |
11215 | } else { | |
11216 | string oid; | |
11217 | get_bucket_meta_oid(bucket, oid); | |
11218 | obj.init(get_zone_params().domain_root, oid); | |
11219 | } | |
11220 | } | |
11221 | ||
11222 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const string& meta_key, RGWBucketInfo& info, | |
11223 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11224 | { | |
11225 | size_t pos = meta_key.find(':'); | |
11226 | if (pos == string::npos) { | |
11227 | return -EINVAL; | |
11228 | } | |
11229 | string oid = RGW_BUCKET_INSTANCE_MD_PREFIX + meta_key; | |
11230 | rgw_bucket_instance_key_to_oid(oid); | |
11231 | ||
11232 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11233 | } | |
11234 | ||
11235 | int RGWRados::get_bucket_instance_info(RGWObjectCtx& obj_ctx, const rgw_bucket& bucket, RGWBucketInfo& info, | |
11236 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11237 | { | |
11238 | string oid; | |
11239 | if (bucket.oid.empty()) { | |
11240 | get_bucket_meta_oid(bucket, oid); | |
11241 | } else { | |
11242 | oid = bucket.oid; | |
11243 | } | |
11244 | ||
11245 | return get_bucket_instance_from_oid(obj_ctx, oid, info, pmtime, pattrs); | |
11246 | } | |
11247 | ||
11248 | int RGWRados::get_bucket_instance_from_oid(RGWObjectCtx& obj_ctx, string& oid, RGWBucketInfo& info, | |
11249 | real_time *pmtime, map<string, bufferlist> *pattrs, | |
11250 | rgw_cache_entry_info *cache_info) | |
11251 | { | |
11252 | ldout(cct, 20) << "reading from " << get_zone_params().domain_root << ":" << oid << dendl; | |
11253 | ||
11254 | bufferlist epbl; | |
11255 | ||
11256 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, oid, epbl, &info.objv_tracker, pmtime, pattrs, cache_info); | |
11257 | if (ret < 0) { | |
11258 | return ret; | |
11259 | } | |
11260 | ||
11261 | bufferlist::iterator iter = epbl.begin(); | |
11262 | try { | |
11263 | ::decode(info, iter); | |
11264 | } catch (buffer::error& err) { | |
11265 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11266 | return -EIO; | |
11267 | } | |
11268 | info.bucket.oid = oid; | |
11269 | return 0; | |
11270 | } | |
11271 | ||
11272 | int RGWRados::get_bucket_entrypoint_info(RGWObjectCtx& obj_ctx, | |
11273 | const string& tenant_name, | |
11274 | const string& bucket_name, | |
11275 | RGWBucketEntryPoint& entry_point, | |
11276 | RGWObjVersionTracker *objv_tracker, | |
11277 | real_time *pmtime, | |
11278 | map<string, bufferlist> *pattrs, | |
11279 | rgw_cache_entry_info *cache_info) | |
11280 | { | |
11281 | bufferlist bl; | |
11282 | string bucket_entry; | |
11283 | ||
11284 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11285 | int ret = rgw_get_system_obj(this, obj_ctx, get_zone_params().domain_root, bucket_entry, bl, objv_tracker, pmtime, pattrs, cache_info); | |
11286 | if (ret < 0) { | |
11287 | return ret; | |
11288 | } | |
11289 | ||
11290 | bufferlist::iterator iter = bl.begin(); | |
11291 | try { | |
11292 | ::decode(entry_point, iter); | |
11293 | } catch (buffer::error& err) { | |
11294 | ldout(cct, 0) << "ERROR: could not decode buffer info, caught buffer::error" << dendl; | |
11295 | return -EIO; | |
11296 | } | |
11297 | return 0; | |
11298 | } | |
11299 | ||
11300 | int RGWRados::convert_old_bucket_info(RGWObjectCtx& obj_ctx, | |
11301 | const string& tenant_name, | |
11302 | const string& bucket_name) | |
11303 | { | |
11304 | RGWBucketEntryPoint entry_point; | |
11305 | real_time ep_mtime; | |
11306 | RGWObjVersionTracker ot; | |
11307 | map<string, bufferlist> attrs; | |
11308 | RGWBucketInfo info; | |
11309 | ||
11310 | ldout(cct, 10) << "RGWRados::convert_old_bucket_info(): bucket=" << bucket_name << dendl; | |
11311 | ||
11312 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, entry_point, &ot, &ep_mtime, &attrs); | |
11313 | if (ret < 0) { | |
11314 | ldout(cct, 0) << "ERROR: get_bucket_entrypoint_info() returned " << ret << " bucket=" << bucket_name << dendl; | |
11315 | return ret; | |
11316 | } | |
11317 | ||
11318 | if (!entry_point.has_bucket_info) { | |
11319 | /* already converted! */ | |
11320 | return 0; | |
11321 | } | |
11322 | ||
11323 | info = entry_point.old_bucket_info; | |
11324 | info.bucket.oid = bucket_name; | |
11325 | info.ep_objv = ot.read_version; | |
11326 | ||
11327 | ot.generate_new_write_ver(cct); | |
11328 | ||
11329 | ret = put_linked_bucket_info(info, false, ep_mtime, &ot.write_version, &attrs, true); | |
11330 | if (ret < 0) { | |
11331 | ldout(cct, 0) << "ERROR: failed to put_linked_bucket_info(): " << ret << dendl; | |
11332 | return ret; | |
11333 | } | |
11334 | ||
11335 | return 0; | |
11336 | } | |
11337 | ||
11338 | int RGWRados::get_bucket_info(RGWObjectCtx& obj_ctx, | |
11339 | const string& tenant, const string& bucket_name, RGWBucketInfo& info, | |
11340 | real_time *pmtime, map<string, bufferlist> *pattrs) | |
11341 | { | |
11342 | bucket_info_entry e; | |
11343 | string bucket_entry; | |
11344 | rgw_make_bucket_entry_name(tenant, bucket_name, bucket_entry); | |
11345 | ||
11346 | if (binfo_cache->find(bucket_entry, &e)) { | |
11347 | info = e.info; | |
11348 | if (pattrs) | |
11349 | *pattrs = e.attrs; | |
11350 | if (pmtime) | |
11351 | *pmtime = e.mtime; | |
11352 | return 0; | |
11353 | } | |
11354 | ||
11355 | RGWBucketEntryPoint entry_point; | |
11356 | real_time ep_mtime; | |
11357 | RGWObjVersionTracker ot; | |
11358 | rgw_cache_entry_info entry_cache_info; | |
11359 | int ret = get_bucket_entrypoint_info(obj_ctx, tenant, bucket_name, entry_point, &ot, &ep_mtime, pattrs, &entry_cache_info); | |
11360 | if (ret < 0) { | |
11361 | /* only init these fields */ | |
11362 | info.bucket.tenant = tenant; | |
11363 | info.bucket.name = bucket_name; | |
11364 | return ret; | |
11365 | } | |
11366 | ||
11367 | if (entry_point.has_bucket_info) { | |
11368 | info = entry_point.old_bucket_info; | |
11369 | info.bucket.oid = bucket_name; | |
11370 | info.bucket.tenant = tenant; | |
11371 | info.ep_objv = ot.read_version; | |
11372 | ldout(cct, 20) << "rgw_get_bucket_info: old bucket info, bucket=" << info.bucket << " owner " << info.owner << dendl; | |
11373 | return 0; | |
11374 | } | |
11375 | ||
11376 | /* data is in the bucket instance object, we need to get attributes from there, clear everything | |
11377 | * that we got | |
11378 | */ | |
11379 | if (pattrs) { | |
11380 | pattrs->clear(); | |
11381 | } | |
11382 | ||
11383 | ldout(cct, 20) << "rgw_get_bucket_info: bucket instance: " << entry_point.bucket << dendl; | |
11384 | ||
11385 | ||
11386 | /* read bucket instance info */ | |
11387 | ||
11388 | string oid; | |
11389 | get_bucket_meta_oid(entry_point.bucket, oid); | |
11390 | ||
11391 | rgw_cache_entry_info cache_info; | |
11392 | ||
11393 | ret = get_bucket_instance_from_oid(obj_ctx, oid, e.info, &e.mtime, &e.attrs, &cache_info); | |
11394 | e.info.ep_objv = ot.read_version; | |
11395 | info = e.info; | |
11396 | if (ret < 0) { | |
11397 | info.bucket.tenant = tenant; | |
11398 | info.bucket.name = bucket_name; | |
11399 | // XXX and why return anything in case of an error anyway? | |
11400 | return ret; | |
11401 | } | |
11402 | ||
11403 | if (pmtime) | |
11404 | *pmtime = e.mtime; | |
11405 | if (pattrs) | |
11406 | *pattrs = e.attrs; | |
11407 | ||
11408 | list<rgw_cache_entry_info *> cache_info_entries; | |
11409 | cache_info_entries.push_back(&entry_cache_info); | |
11410 | cache_info_entries.push_back(&cache_info); | |
11411 | ||
11412 | ||
11413 | /* chain to both bucket entry point and bucket instance */ | |
11414 | if (!binfo_cache->put(this, bucket_entry, &e, cache_info_entries)) { | |
11415 | ldout(cct, 20) << "couldn't put binfo cache entry, might have raced with data changes" << dendl; | |
11416 | } | |
11417 | ||
11418 | return 0; | |
11419 | } | |
11420 | ||
11421 | int RGWRados::put_bucket_entrypoint_info(const string& tenant_name, const string& bucket_name, RGWBucketEntryPoint& entry_point, | |
11422 | bool exclusive, RGWObjVersionTracker& objv_tracker, real_time mtime, | |
11423 | map<string, bufferlist> *pattrs) | |
11424 | { | |
11425 | bufferlist epbl; | |
11426 | ::encode(entry_point, epbl); | |
11427 | string bucket_entry; | |
11428 | rgw_make_bucket_entry_name(tenant_name, bucket_name, bucket_entry); | |
11429 | return rgw_bucket_store_info(this, bucket_entry, epbl, exclusive, pattrs, &objv_tracker, mtime); | |
11430 | } | |
11431 | ||
11432 | int RGWRados::put_bucket_instance_info(RGWBucketInfo& info, bool exclusive, | |
11433 | real_time mtime, map<string, bufferlist> *pattrs) | |
11434 | { | |
11435 | info.has_instance_obj = true; | |
11436 | bufferlist bl; | |
11437 | ||
11438 | ::encode(info, bl); | |
11439 | ||
11440 | string key = info.bucket.get_key(); /* when we go through meta api, we don't use oid directly */ | |
11441 | int ret = rgw_bucket_instance_store_info(this, key, bl, exclusive, pattrs, &info.objv_tracker, mtime); | |
11442 | if (ret == -EEXIST) { | |
11443 | /* well, if it's exclusive we shouldn't overwrite it, because we might race with another | |
11444 | * bucket operation on this specific bucket (e.g., being synced from the master), but | |
11445 | * since bucket instace meta object is unique for this specific bucket instace, we don't | |
11446 | * need to return an error. | |
11447 | * A scenario where we'd get -EEXIST here, is in a multi-zone config, we're not on the | |
11448 | * master, creating a bucket, sending bucket creation to the master, we create the bucket | |
11449 | * locally, while in the sync thread we sync the new bucket. | |
11450 | */ | |
11451 | ret = 0; | |
11452 | } | |
11453 | return ret; | |
11454 | } | |
11455 | ||
11456 | int RGWRados::put_linked_bucket_info(RGWBucketInfo& info, bool exclusive, real_time mtime, obj_version *pep_objv, | |
11457 | map<string, bufferlist> *pattrs, bool create_entry_point) | |
11458 | { | |
11459 | bool create_head = !info.has_instance_obj || create_entry_point; | |
11460 | ||
11461 | int ret = put_bucket_instance_info(info, exclusive, mtime, pattrs); | |
11462 | if (ret < 0) { | |
11463 | return ret; | |
11464 | } | |
11465 | ||
11466 | if (!create_head) | |
11467 | return 0; /* done! */ | |
11468 | ||
11469 | RGWBucketEntryPoint entry_point; | |
11470 | entry_point.bucket = info.bucket; | |
11471 | entry_point.owner = info.owner; | |
11472 | entry_point.creation_time = info.creation_time; | |
11473 | entry_point.linked = true; | |
11474 | RGWObjVersionTracker ot; | |
11475 | if (pep_objv && !pep_objv->tag.empty()) { | |
11476 | ot.write_version = *pep_objv; | |
11477 | } else { | |
11478 | ot.generate_new_write_ver(cct); | |
11479 | if (pep_objv) { | |
11480 | *pep_objv = ot.write_version; | |
11481 | } | |
11482 | } | |
11483 | ret = put_bucket_entrypoint_info(info.bucket.tenant, info.bucket.name, entry_point, exclusive, ot, mtime, NULL); | |
11484 | if (ret < 0) | |
11485 | return ret; | |
11486 | ||
11487 | return 0; | |
11488 | } | |
11489 | ||
11490 | int RGWRados::omap_get_vals(rgw_raw_obj& obj, bufferlist& header, const string& marker, uint64_t count, std::map<string, bufferlist>& m) | |
11491 | { | |
11492 | rgw_rados_ref ref; | |
11493 | int r = get_raw_obj_ref(obj, &ref); | |
11494 | if (r < 0) { | |
11495 | return r; | |
11496 | } | |
11497 | ||
11498 | r = ref.ioctx.omap_get_vals(ref.oid, marker, count, &m); | |
11499 | if (r < 0) | |
11500 | return r; | |
11501 | ||
11502 | return 0; | |
11503 | ||
11504 | } | |
11505 | ||
11506 | int RGWRados::omap_get_all(rgw_raw_obj& obj, bufferlist& header, | |
11507 | std::map<string, bufferlist>& m) | |
11508 | { | |
11509 | rgw_rados_ref ref; | |
11510 | int r = get_raw_obj_ref(obj, &ref); | |
11511 | if (r < 0) { | |
11512 | return r; | |
11513 | } | |
11514 | ||
11515 | #define MAX_OMAP_GET_ENTRIES 1024 | |
11516 | const int count = MAX_OMAP_GET_ENTRIES; | |
11517 | string start_after; | |
11518 | ||
11519 | while (true) { | |
11520 | std::map<string, bufferlist> t; | |
11521 | r = ref.ioctx.omap_get_vals(ref.oid, start_after, count, &t); | |
11522 | if (r < 0) { | |
11523 | return r; | |
11524 | } | |
11525 | if (t.empty()) { | |
11526 | break; | |
11527 | } | |
11528 | start_after = t.rbegin()->first; | |
11529 | m.insert(t.begin(), t.end()); | |
11530 | } | |
11531 | return 0; | |
11532 | } | |
11533 | ||
11534 | int RGWRados::omap_set(rgw_raw_obj& obj, const std::string& key, bufferlist& bl) | |
11535 | { | |
11536 | rgw_rados_ref ref; | |
11537 | int r = get_raw_obj_ref(obj, &ref); | |
11538 | if (r < 0) { | |
11539 | return r; | |
11540 | } | |
11541 | ldout(cct, 15) << "omap_set obj=" << obj << " key=" << key << dendl; | |
11542 | ||
11543 | map<string, bufferlist> m; | |
11544 | m[key] = bl; | |
11545 | ||
11546 | r = ref.ioctx.omap_set(ref.oid, m); | |
11547 | ||
11548 | return r; | |
11549 | } | |
11550 | ||
11551 | int RGWRados::omap_set(rgw_raw_obj& obj, std::map<std::string, bufferlist>& m) | |
11552 | { | |
11553 | rgw_rados_ref ref; | |
11554 | int r = get_raw_obj_ref(obj, &ref); | |
11555 | if (r < 0) { | |
11556 | return r; | |
11557 | } | |
11558 | ||
11559 | r = ref.ioctx.omap_set(ref.oid, m); | |
11560 | ||
11561 | return r; | |
11562 | } | |
11563 | ||
11564 | int RGWRados::omap_del(rgw_raw_obj& obj, const std::string& key) | |
11565 | { | |
11566 | rgw_rados_ref ref; | |
11567 | int r = get_raw_obj_ref(obj, &ref); | |
11568 | if (r < 0) { | |
11569 | return r; | |
11570 | } | |
11571 | ||
11572 | set<string> k; | |
11573 | k.insert(key); | |
11574 | ||
11575 | r = ref.ioctx.omap_rm_keys(ref.oid, k); | |
11576 | return r; | |
11577 | } | |
11578 | ||
11579 | int RGWRados::update_containers_stats(map<string, RGWBucketEnt>& m) | |
11580 | { | |
11581 | RGWObjectCtx obj_ctx(this); | |
11582 | ||
11583 | map<string, RGWBucketEnt>::iterator iter; | |
11584 | for (iter = m.begin(); iter != m.end(); ++iter) { | |
11585 | RGWBucketEnt& ent = iter->second; | |
11586 | rgw_bucket& bucket = ent.bucket; | |
11587 | ent.count = 0; | |
11588 | ent.size = 0; | |
11589 | ent.size_rounded = 0; | |
11590 | ||
11591 | map<string, rgw_bucket_dir_header> headers; | |
11592 | ||
11593 | RGWBucketInfo bucket_info; | |
11594 | int ret = get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, NULL); | |
11595 | if (ret < 0) { | |
11596 | return ret; | |
11597 | } | |
11598 | ||
11599 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
11600 | if (r < 0) | |
11601 | return r; | |
11602 | ||
11603 | map<string, rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
11604 | for (; hiter != headers.end(); ++hiter) { | |
11605 | RGWObjCategory category = main_category; | |
11606 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = (hiter->second.stats).find((uint8_t)category); | |
11607 | if (iter != hiter->second.stats.end()) { | |
11608 | struct rgw_bucket_category_stats& stats = iter->second; | |
11609 | ent.count += stats.num_entries; | |
11610 | ent.size += stats.total_size; | |
11611 | ent.size_rounded += stats.total_size_rounded; | |
11612 | } | |
11613 | } | |
11614 | } | |
11615 | ||
11616 | return m.size(); | |
11617 | } | |
11618 | ||
11619 | int RGWRados::append_async(rgw_raw_obj& obj, size_t size, bufferlist& bl) | |
11620 | { | |
11621 | rgw_rados_ref ref; | |
11622 | int r = get_raw_obj_ref(obj, &ref); | |
11623 | if (r < 0) { | |
11624 | return r; | |
11625 | } | |
11626 | librados::Rados *rad = get_rados_handle(); | |
11627 | librados::AioCompletion *completion = rad->aio_create_completion(NULL, NULL, NULL); | |
11628 | ||
11629 | r = ref.ioctx.aio_append(ref.oid, completion, bl, size); | |
11630 | completion->release(); | |
11631 | return r; | |
11632 | } | |
11633 | ||
11634 | int RGWRados::distribute(const string& key, bufferlist& bl) | |
11635 | { | |
11636 | /* | |
11637 | * we were called before watch was initialized. This can only happen if we're updating some system | |
11638 | * config object (e.g., zone info) during init. Don't try to distribute the cache info for these | |
11639 | * objects, they're currently only read on startup anyway. | |
11640 | */ | |
11641 | if (!watch_initialized) | |
11642 | return 0; | |
11643 | ||
11644 | string notify_oid; | |
11645 | pick_control_oid(key, notify_oid); | |
11646 | ||
11647 | ldout(cct, 10) << "distributing notification oid=" << notify_oid << " bl.length()=" << bl.length() << dendl; | |
11648 | return control_pool_ctx.notify2(notify_oid, bl, 0, NULL); | |
11649 | } | |
11650 | ||
11651 | int RGWRados::pool_iterate_begin(const rgw_pool& pool, RGWPoolIterCtx& ctx) | |
11652 | { | |
11653 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
11654 | librados::NObjectIterator& iter = ctx.iter; | |
11655 | ||
11656 | int r = open_pool_ctx(pool, io_ctx); | |
11657 | if (r < 0) | |
11658 | return r; | |
11659 | ||
11660 | iter = io_ctx.nobjects_begin(); | |
11661 | ||
11662 | return 0; | |
11663 | } | |
11664 | ||
11665 | int RGWRados::pool_iterate(RGWPoolIterCtx& ctx, uint32_t num, vector<rgw_bucket_dir_entry>& objs, | |
11666 | bool *is_truncated, RGWAccessListFilter *filter) | |
11667 | { | |
11668 | librados::IoCtx& io_ctx = ctx.io_ctx; | |
11669 | librados::NObjectIterator& iter = ctx.iter; | |
11670 | ||
11671 | if (iter == io_ctx.nobjects_end()) | |
11672 | return -ENOENT; | |
11673 | ||
11674 | uint32_t i; | |
11675 | ||
11676 | for (i = 0; i < num && iter != io_ctx.nobjects_end(); ++i, ++iter) { | |
11677 | rgw_bucket_dir_entry e; | |
11678 | ||
11679 | string oid = iter->get_oid(); | |
11680 | ldout(cct, 20) << "RGWRados::pool_iterate: got " << oid << dendl; | |
11681 | ||
11682 | // fill it in with initial values; we may correct later | |
11683 | if (filter && !filter->filter(oid, oid)) | |
11684 | continue; | |
11685 | ||
11686 | e.key = oid; | |
11687 | objs.push_back(e); | |
11688 | } | |
11689 | ||
11690 | if (is_truncated) | |
11691 | *is_truncated = (iter != io_ctx.nobjects_end()); | |
11692 | ||
11693 | return objs.size(); | |
11694 | } | |
11695 | struct RGWAccessListFilterPrefix : public RGWAccessListFilter { | |
11696 | string prefix; | |
11697 | ||
11698 | explicit RGWAccessListFilterPrefix(const string& _prefix) : prefix(_prefix) {} | |
11699 | bool filter(string& name, string& key) override { | |
11700 | return (prefix.compare(key.substr(0, prefix.size())) == 0); | |
11701 | } | |
11702 | }; | |
11703 | ||
11704 | int RGWRados::list_raw_objects(const rgw_pool& pool, const string& prefix_filter, | |
11705 | int max, RGWListRawObjsCtx& ctx, list<string>& oids, | |
11706 | bool *is_truncated) | |
11707 | { | |
11708 | RGWAccessListFilterPrefix filter(prefix_filter); | |
11709 | ||
11710 | if (!ctx.initialized) { | |
11711 | int r = pool_iterate_begin(pool, ctx.iter_ctx); | |
11712 | if (r < 0) { | |
11713 | ldout(cct, 10) << "failed to list objects pool_iterate_begin() returned r=" << r << dendl; | |
11714 | return r; | |
11715 | } | |
11716 | ctx.initialized = true; | |
11717 | } | |
11718 | ||
11719 | vector<rgw_bucket_dir_entry> objs; | |
11720 | int r = pool_iterate(ctx.iter_ctx, max, objs, is_truncated, &filter); | |
11721 | if (r < 0) { | |
11722 | if(r != -ENOENT) | |
11723 | ldout(cct, 10) << "failed to list objects pool_iterate returned r=" << r << dendl; | |
11724 | return r; | |
11725 | } | |
11726 | ||
11727 | vector<rgw_bucket_dir_entry>::iterator iter; | |
11728 | for (iter = objs.begin(); iter != objs.end(); ++iter) { | |
11729 | oids.push_back(iter->key.name); | |
11730 | } | |
11731 | ||
11732 | return oids.size(); | |
11733 | } | |
11734 | ||
11735 | int RGWRados::list_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& marker, uint32_t max, | |
11736 | std::list<rgw_bi_log_entry>& result, bool *truncated) | |
11737 | { | |
11738 | ldout(cct, 20) << __func__ << ": " << bucket_info.bucket << " marker " << marker << " shard_id=" << shard_id << " max " << max << dendl; | |
11739 | result.clear(); | |
11740 | ||
11741 | librados::IoCtx index_ctx; | |
11742 | map<int, string> oids; | |
11743 | map<int, cls_rgw_bi_log_list_ret> bi_log_lists; | |
11744 | map<int, string> bucket_instance_ids; | |
11745 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id, &bucket_instance_ids); | |
11746 | if (r < 0) | |
11747 | return r; | |
11748 | ||
11749 | BucketIndexShardsManager marker_mgr; | |
11750 | bool has_shards = (oids.size() > 1 || shard_id >= 0); | |
11751 | // If there are multiple shards for the bucket index object, the marker | |
11752 | // should have the pattern '{shard_id_1}#{shard_marker_1},{shard_id_2}# | |
11753 | // {shard_marker_2}...', if there is no sharding, the bi_log_list should | |
11754 | // only contain one record, and the key is the bucket instance id. | |
11755 | r = marker_mgr.from_string(marker, shard_id); | |
11756 | if (r < 0) | |
11757 | return r; | |
11758 | ||
11759 | r = CLSRGWIssueBILogList(index_ctx, marker_mgr, max, oids, bi_log_lists, cct->_conf->rgw_bucket_index_max_aio)(); | |
11760 | if (r < 0) | |
11761 | return r; | |
11762 | ||
11763 | map<int, list<rgw_bi_log_entry>::iterator> vcurrents; | |
11764 | map<int, list<rgw_bi_log_entry>::iterator> vends; | |
11765 | if (truncated) { | |
11766 | *truncated = false; | |
11767 | } | |
11768 | map<int, cls_rgw_bi_log_list_ret>::iterator miter = bi_log_lists.begin(); | |
11769 | for (; miter != bi_log_lists.end(); ++miter) { | |
11770 | int shard_id = miter->first; | |
11771 | vcurrents[shard_id] = miter->second.entries.begin(); | |
11772 | vends[shard_id] = miter->second.entries.end(); | |
11773 | if (truncated) { | |
11774 | *truncated = (*truncated || miter->second.truncated); | |
11775 | } | |
11776 | } | |
11777 | ||
11778 | size_t total = 0; | |
11779 | bool has_more = true; | |
11780 | map<int, list<rgw_bi_log_entry>::iterator>::iterator viter; | |
11781 | map<int, list<rgw_bi_log_entry>::iterator>::iterator eiter; | |
11782 | while (total < max && has_more) { | |
11783 | has_more = false; | |
11784 | ||
11785 | viter = vcurrents.begin(); | |
11786 | eiter = vends.begin(); | |
11787 | ||
11788 | for (; total < max && viter != vcurrents.end(); ++viter, ++eiter) { | |
11789 | assert (eiter != vends.end()); | |
11790 | ||
11791 | int shard_id = viter->first; | |
11792 | list<rgw_bi_log_entry>::iterator& liter = viter->second; | |
11793 | ||
11794 | if (liter == eiter->second){ | |
11795 | continue; | |
11796 | } | |
11797 | rgw_bi_log_entry& entry = *(liter); | |
11798 | if (has_shards) { | |
11799 | char buf[16]; | |
11800 | snprintf(buf, sizeof(buf), "%d", shard_id); | |
11801 | string tmp_id; | |
11802 | build_bucket_index_marker(buf, entry.id, &tmp_id); | |
11803 | entry.id.swap(tmp_id); | |
11804 | } | |
11805 | marker_mgr.add(shard_id, entry.id); | |
11806 | result.push_back(entry); | |
11807 | total++; | |
11808 | has_more = true; | |
11809 | ++liter; | |
11810 | } | |
11811 | } | |
11812 | ||
11813 | if (truncated) { | |
11814 | for (viter = vcurrents.begin(), eiter = vends.begin(); viter != vcurrents.end(); ++viter, ++eiter) { | |
11815 | assert (eiter != vends.end()); | |
11816 | *truncated = (*truncated || (viter->second != eiter->second)); | |
11817 | } | |
11818 | } | |
11819 | ||
11820 | // Refresh marker, if there are multiple shards, the output will look like | |
11821 | // '{shard_oid_1}#{shard_marker_1},{shard_oid_2}#{shard_marker_2}...', | |
11822 | // if there is no sharding, the simply marker (without oid) is returned | |
11823 | if (has_shards) { | |
11824 | marker_mgr.to_string(&marker); | |
11825 | } else { | |
11826 | if (!result.empty()) { | |
11827 | marker = result.rbegin()->id; | |
11828 | } | |
11829 | } | |
11830 | ||
11831 | return 0; | |
11832 | } | |
11833 | ||
11834 | int RGWRados::trim_bi_log_entries(RGWBucketInfo& bucket_info, int shard_id, string& start_marker, string& end_marker) | |
11835 | { | |
11836 | librados::IoCtx index_ctx; | |
11837 | map<int, string> bucket_objs; | |
11838 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); | |
11839 | if (r < 0) | |
11840 | return r; | |
11841 | ||
11842 | BucketIndexShardsManager start_marker_mgr; | |
11843 | r = start_marker_mgr.from_string(start_marker, shard_id); | |
11844 | if (r < 0) | |
11845 | return r; | |
11846 | BucketIndexShardsManager end_marker_mgr; | |
11847 | r = end_marker_mgr.from_string(end_marker, shard_id); | |
11848 | if (r < 0) | |
11849 | return r; | |
11850 | ||
11851 | return CLSRGWIssueBILogTrim(index_ctx, start_marker_mgr, end_marker_mgr, bucket_objs, | |
11852 | cct->_conf->rgw_bucket_index_max_aio)(); | |
11853 | } | |
11854 | ||
11855 | int RGWRados::bi_get_instance(const RGWBucketInfo& bucket_info, rgw_obj& obj, rgw_bucket_dir_entry *dirent) | |
11856 | { | |
11857 | rgw_rados_ref ref; | |
11858 | int r = get_obj_head_ref(bucket_info, obj, &ref); | |
11859 | if (r < 0) { | |
11860 | return r; | |
11861 | } | |
11862 | ||
11863 | rgw_cls_bi_entry bi_entry; | |
11864 | r = bi_get(obj.bucket, obj, InstanceIdx, &bi_entry); | |
11865 | if (r < 0 && r != -ENOENT) { | |
11866 | ldout(cct, 0) << "ERROR: bi_get() returned r=" << r << dendl; | |
11867 | } | |
11868 | if (r < 0) { | |
11869 | return r; | |
11870 | } | |
11871 | bufferlist::iterator iter = bi_entry.data.begin(); | |
11872 | try { | |
11873 | ::decode(*dirent, iter); | |
11874 | } catch (buffer::error& err) { | |
11875 | ldout(cct, 0) << "ERROR: failed to decode bi_entry()" << dendl; | |
11876 | return -EIO; | |
11877 | } | |
11878 | ||
11879 | return 0; | |
11880 | } | |
11881 | ||
11882 | int RGWRados::bi_get(rgw_bucket& bucket, rgw_obj& obj, BIIndexType index_type, rgw_cls_bi_entry *entry) | |
11883 | { | |
11884 | BucketShard bs(this); | |
11885 | int ret = bs.init(bucket, obj); | |
11886 | if (ret < 0) { | |
11887 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
11888 | return ret; | |
11889 | } | |
11890 | ||
11891 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
11892 | ||
11893 | ret = cls_rgw_bi_get(bs.index_ctx, bs.bucket_obj, index_type, key, entry); | |
11894 | if (ret < 0) | |
11895 | return ret; | |
11896 | ||
11897 | return 0; | |
11898 | } | |
11899 | ||
11900 | void RGWRados::bi_put(ObjectWriteOperation& op, BucketShard& bs, rgw_cls_bi_entry& entry) | |
11901 | { | |
11902 | cls_rgw_bi_put(op, bs.bucket_obj, entry); | |
11903 | } | |
11904 | ||
11905 | int RGWRados::bi_put(BucketShard& bs, rgw_cls_bi_entry& entry) | |
11906 | { | |
11907 | int ret = cls_rgw_bi_put(bs.index_ctx, bs.bucket_obj, entry); | |
11908 | if (ret < 0) | |
11909 | return ret; | |
11910 | ||
11911 | return 0; | |
11912 | } | |
11913 | ||
11914 | int RGWRados::bi_put(rgw_bucket& bucket, rgw_obj& obj, rgw_cls_bi_entry& entry) | |
11915 | { | |
11916 | BucketShard bs(this); | |
11917 | int ret = bs.init(bucket, obj); | |
11918 | if (ret < 0) { | |
11919 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
11920 | return ret; | |
11921 | } | |
11922 | ||
11923 | return bi_put(bs, entry); | |
11924 | } | |
11925 | ||
11926 | 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) | |
11927 | { | |
11928 | rgw_obj obj(bucket, obj_name); | |
11929 | BucketShard bs(this); | |
11930 | int ret = bs.init(bucket, obj); | |
11931 | if (ret < 0) { | |
11932 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
11933 | return ret; | |
11934 | } | |
11935 | ||
11936 | ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, obj_name, marker, max, entries, is_truncated); | |
11937 | if (ret < 0) | |
11938 | return ret; | |
11939 | ||
11940 | return 0; | |
11941 | } | |
11942 | ||
11943 | 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) | |
11944 | { | |
11945 | int ret = cls_rgw_bi_list(bs.index_ctx, bs.bucket_obj, filter_obj, marker, max, entries, is_truncated); | |
11946 | if (ret < 0) | |
11947 | return ret; | |
11948 | ||
11949 | return 0; | |
11950 | } | |
11951 | ||
11952 | int RGWRados::bi_remove(BucketShard& bs) | |
11953 | { | |
11954 | int ret = bs.index_ctx.remove(bs.bucket_obj); | |
11955 | if (ret == -ENOENT) { | |
11956 | ret = 0; | |
11957 | } | |
11958 | if (ret < 0) { | |
11959 | ldout(cct, 5) << "bs.index_ctx.remove(" << bs.bucket_obj << ") returned ret=" << ret << dendl; | |
11960 | return ret; | |
11961 | } | |
11962 | ||
11963 | return 0; | |
11964 | } | |
11965 | ||
11966 | 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) | |
11967 | { | |
11968 | BucketShard bs(this); | |
11969 | int ret = bs.init(bucket, shard_id); | |
11970 | if (ret < 0) { | |
11971 | ldout(cct, 5) << "bs.init() returned ret=" << ret << dendl; | |
11972 | return ret; | |
11973 | } | |
11974 | ||
11975 | return bi_list(bs, filter_obj, marker, max, entries, is_truncated); | |
11976 | } | |
11977 | ||
11978 | int RGWRados::gc_operate(string& oid, librados::ObjectWriteOperation *op) | |
11979 | { | |
11980 | return gc_pool_ctx.operate(oid, op); | |
11981 | } | |
11982 | ||
11983 | int RGWRados::gc_aio_operate(string& oid, librados::ObjectWriteOperation *op) | |
11984 | { | |
11985 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
11986 | int r = gc_pool_ctx.aio_operate(oid, c, op); | |
11987 | c->release(); | |
11988 | return r; | |
11989 | } | |
11990 | ||
11991 | int RGWRados::gc_operate(string& oid, librados::ObjectReadOperation *op, bufferlist *pbl) | |
11992 | { | |
11993 | return gc_pool_ctx.operate(oid, op, pbl); | |
11994 | } | |
11995 | ||
11996 | 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) | |
11997 | { | |
11998 | return gc->list(index, marker, max, expired_only, result, truncated); | |
11999 | } | |
12000 | ||
12001 | int RGWRados::process_gc() | |
12002 | { | |
12003 | return gc->process(); | |
12004 | } | |
12005 | ||
12006 | int RGWRados::list_lc_progress(const string& marker, uint32_t max_entries, map<string, int> *progress_map) | |
12007 | { | |
12008 | return lc->list_lc_progress(marker, max_entries, progress_map); | |
12009 | } | |
12010 | ||
12011 | int RGWRados::process_lc() | |
12012 | { | |
12013 | return lc->process(); | |
12014 | } | |
12015 | ||
12016 | int RGWRados::process_expire_objects() | |
12017 | { | |
12018 | obj_expirer->inspect_all_shards(utime_t(), ceph_clock_now()); | |
12019 | return 0; | |
12020 | } | |
12021 | ||
12022 | int RGWRados::cls_rgw_init_index(librados::IoCtx& index_ctx, librados::ObjectWriteOperation& op, string& oid) | |
12023 | { | |
12024 | bufferlist in; | |
12025 | cls_rgw_bucket_init(op); | |
12026 | return index_ctx.operate(oid, &op); | |
12027 | } | |
12028 | ||
12029 | int RGWRados::cls_obj_prepare_op(BucketShard& bs, RGWModifyOp op, string& tag, | |
12030 | rgw_obj& obj, uint16_t bilog_flags) | |
12031 | { | |
12032 | ObjectWriteOperation o; | |
12033 | cls_rgw_obj_key key(obj.key.get_index_key_name(), obj.key.instance); | |
12034 | cls_rgw_bucket_prepare_op(o, op, tag, key, obj.key.get_loc(), get_zone().log_data, bilog_flags); | |
12035 | return bs.index_ctx.operate(bs.bucket_obj, &o); | |
12036 | } | |
12037 | ||
12038 | int RGWRados::cls_obj_complete_op(BucketShard& bs, RGWModifyOp op, string& tag, | |
12039 | int64_t pool, uint64_t epoch, | |
12040 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
12041 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags) | |
12042 | { | |
12043 | list<cls_rgw_obj_key> *pro = NULL; | |
12044 | list<cls_rgw_obj_key> ro; | |
12045 | ||
12046 | if (remove_objs) { | |
12047 | for (auto iter = remove_objs->begin(); iter != remove_objs->end(); ++iter) { | |
12048 | ro.push_back(*iter); | |
12049 | } | |
12050 | pro = &ro; | |
12051 | } | |
12052 | ||
12053 | ObjectWriteOperation o; | |
12054 | rgw_bucket_dir_entry_meta dir_meta; | |
12055 | dir_meta = ent.meta; | |
12056 | dir_meta.category = category; | |
12057 | ||
12058 | rgw_bucket_entry_ver ver; | |
12059 | ver.pool = pool; | |
12060 | ver.epoch = epoch; | |
12061 | cls_rgw_obj_key key(ent.key.name, ent.key.instance); | |
12062 | cls_rgw_bucket_complete_op(o, op, tag, ver, key, dir_meta, pro, | |
12063 | get_zone().log_data, bilog_flags); | |
12064 | ||
12065 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12066 | int ret = bs.index_ctx.aio_operate(bs.bucket_obj, c, &o); | |
12067 | c->release(); | |
12068 | return ret; | |
12069 | } | |
12070 | ||
12071 | int RGWRados::cls_obj_complete_add(BucketShard& bs, string& tag, | |
12072 | int64_t pool, uint64_t epoch, | |
12073 | rgw_bucket_dir_entry& ent, RGWObjCategory category, | |
12074 | list<rgw_obj_index_key> *remove_objs, uint16_t bilog_flags) | |
12075 | { | |
12076 | return cls_obj_complete_op(bs, CLS_RGW_OP_ADD, tag, pool, epoch, ent, category, remove_objs, bilog_flags); | |
12077 | } | |
12078 | ||
12079 | int RGWRados::cls_obj_complete_del(BucketShard& bs, string& tag, | |
12080 | int64_t pool, uint64_t epoch, | |
12081 | rgw_obj& obj, | |
12082 | real_time& removed_mtime, | |
12083 | list<rgw_obj_index_key> *remove_objs, | |
12084 | uint16_t bilog_flags) | |
12085 | { | |
12086 | rgw_bucket_dir_entry ent; | |
12087 | ent.meta.mtime = removed_mtime; | |
12088 | obj.key.get_index_key(&ent.key); | |
12089 | return cls_obj_complete_op(bs, CLS_RGW_OP_DEL, tag, pool, epoch, ent, RGW_OBJ_CATEGORY_NONE, remove_objs, bilog_flags); | |
12090 | } | |
12091 | ||
12092 | int RGWRados::cls_obj_complete_cancel(BucketShard& bs, string& tag, rgw_obj& obj, uint16_t bilog_flags) | |
12093 | { | |
12094 | rgw_bucket_dir_entry ent; | |
12095 | obj.key.get_index_key(&ent.key); | |
12096 | return cls_obj_complete_op(bs, CLS_RGW_OP_CANCEL, tag, -1 /* pool id */, 0, ent, RGW_OBJ_CATEGORY_NONE, NULL, bilog_flags); | |
12097 | } | |
12098 | ||
12099 | int RGWRados::cls_obj_set_bucket_tag_timeout(RGWBucketInfo& bucket_info, uint64_t timeout) | |
12100 | { | |
12101 | librados::IoCtx index_ctx; | |
12102 | map<int, string> bucket_objs; | |
12103 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs); | |
12104 | if (r < 0) | |
12105 | return r; | |
12106 | ||
12107 | return CLSRGWIssueSetTagTimeout(index_ctx, bucket_objs, cct->_conf->rgw_bucket_index_max_aio, timeout)(); | |
12108 | } | |
12109 | ||
12110 | int RGWRados::cls_bucket_list(RGWBucketInfo& bucket_info, int shard_id, rgw_obj_index_key& start, const string& prefix, | |
12111 | uint32_t num_entries, bool list_versions, map<string, rgw_bucket_dir_entry>& m, | |
12112 | bool *is_truncated, rgw_obj_index_key *last_entry, | |
12113 | bool (*force_check_filter)(const string& name)) | |
12114 | { | |
12115 | ldout(cct, 10) << "cls_bucket_list " << bucket_info.bucket << " start " << start.name << "[" << start.instance << "] num_entries " << num_entries << dendl; | |
12116 | ||
12117 | librados::IoCtx index_ctx; | |
12118 | // key - oid (for different shards if there is any) | |
12119 | // value - list result for the corresponding oid (shard), it is filled by the AIO callback | |
12120 | map<int, string> oids; | |
12121 | map<int, struct rgw_cls_list_ret> list_results; | |
12122 | int r = open_bucket_index(bucket_info, index_ctx, oids, shard_id); | |
12123 | if (r < 0) | |
12124 | return r; | |
12125 | ||
12126 | cls_rgw_obj_key start_key(start.name, start.instance); | |
12127 | r = CLSRGWIssueBucketList(index_ctx, start_key, prefix, num_entries, list_versions, | |
12128 | oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12129 | if (r < 0) | |
12130 | return r; | |
12131 | ||
12132 | // Create a list of iterators that are used to iterate each shard | |
12133 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vcurrents(list_results.size()); | |
12134 | vector<map<string, struct rgw_bucket_dir_entry>::iterator> vends(list_results.size()); | |
12135 | vector<string> vnames(list_results.size()); | |
12136 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12137 | *is_truncated = false; | |
12138 | for (; iter != list_results.end(); ++iter) { | |
12139 | vcurrents.push_back(iter->second.dir.m.begin()); | |
12140 | vends.push_back(iter->second.dir.m.end()); | |
12141 | vnames.push_back(oids[iter->first]); | |
12142 | *is_truncated = (*is_truncated || iter->second.is_truncated); | |
12143 | } | |
12144 | ||
12145 | // Create a map to track the next candidate entry from each shard, if the entry | |
12146 | // from a specified shard is selected/erased, the next entry from that shard will | |
12147 | // be inserted for next round selection | |
12148 | map<string, size_t> candidates; | |
12149 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12150 | if (vcurrents[i] != vends[i]) { | |
12151 | candidates[vcurrents[i]->first] = i; | |
12152 | } | |
12153 | } | |
12154 | ||
12155 | map<string, bufferlist> updates; | |
12156 | uint32_t count = 0; | |
12157 | while (count < num_entries && !candidates.empty()) { | |
12158 | r = 0; | |
12159 | // Select the next one | |
12160 | int pos = candidates.begin()->second; | |
12161 | const string& name = vcurrents[pos]->first; | |
12162 | struct rgw_bucket_dir_entry& dirent = vcurrents[pos]->second; | |
12163 | ||
12164 | bool force_check = force_check_filter && force_check_filter(dirent.key.name); | |
12165 | if ((!dirent.exists && !dirent.is_delete_marker()) || !dirent.pending_map.empty() || force_check) { | |
12166 | /* there are uncommitted ops. We need to check the current state, | |
12167 | * and if the tags are old we need to do cleanup as well. */ | |
12168 | librados::IoCtx sub_ctx; | |
12169 | sub_ctx.dup(index_ctx); | |
12170 | r = check_disk_state(sub_ctx, bucket_info, dirent, dirent, updates[vnames[pos]]); | |
12171 | if (r < 0 && r != -ENOENT) { | |
12172 | return r; | |
12173 | } | |
12174 | } | |
12175 | if (r >= 0) { | |
12176 | ldout(cct, 10) << "RGWRados::cls_bucket_list: got " << dirent.key.name << "[" << dirent.key.instance << "]" << dendl; | |
12177 | m[name] = std::move(dirent); | |
12178 | ++count; | |
12179 | } | |
12180 | ||
12181 | // Refresh the candidates map | |
12182 | candidates.erase(candidates.begin()); | |
12183 | ++vcurrents[pos]; | |
12184 | if (vcurrents[pos] != vends[pos]) { | |
12185 | candidates[vcurrents[pos]->first] = pos; | |
12186 | } | |
12187 | } | |
12188 | ||
12189 | // Suggest updates if there is any | |
12190 | map<string, bufferlist>::iterator miter = updates.begin(); | |
12191 | for (; miter != updates.end(); ++miter) { | |
12192 | if (miter->second.length()) { | |
12193 | ObjectWriteOperation o; | |
12194 | cls_rgw_suggest_changes(o, miter->second); | |
12195 | // we don't care if we lose suggested updates, send them off blindly | |
12196 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
12197 | index_ctx.aio_operate(miter->first, c, &o); | |
12198 | c->release(); | |
12199 | } | |
12200 | } | |
12201 | ||
12202 | // Check if all the returned entries are consumed or not | |
12203 | for (size_t i = 0; i < vcurrents.size(); ++i) { | |
12204 | if (vcurrents[i] != vends[i]) | |
12205 | *is_truncated = true; | |
12206 | } | |
12207 | if (!m.empty()) | |
12208 | *last_entry = m.rbegin()->first; | |
12209 | ||
12210 | return 0; | |
12211 | } | |
12212 | ||
12213 | int RGWRados::cls_obj_usage_log_add(const string& oid, rgw_usage_log_info& info) | |
12214 | { | |
12215 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12216 | ||
12217 | rgw_rados_ref ref; | |
12218 | rgw_pool pool; | |
12219 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12220 | if (r < 0) { | |
12221 | return r; | |
12222 | } | |
12223 | ||
12224 | ObjectWriteOperation op; | |
12225 | cls_rgw_usage_log_add(op, info); | |
12226 | ||
12227 | r = ref.ioctx.operate(ref.oid, &op); | |
12228 | return r; | |
12229 | } | |
12230 | ||
12231 | int RGWRados::cls_obj_usage_log_read(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch, uint32_t max_entries, | |
12232 | string& read_iter, map<rgw_user_bucket, rgw_usage_log_entry>& usage, bool *is_truncated) | |
12233 | { | |
12234 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12235 | ||
12236 | rgw_rados_ref ref; | |
12237 | rgw_pool pool; | |
12238 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12239 | if (r < 0) { | |
12240 | return r; | |
12241 | } | |
12242 | ||
12243 | *is_truncated = false; | |
12244 | ||
12245 | r = cls_rgw_usage_log_read(ref.ioctx, ref.oid, user, start_epoch, end_epoch, | |
12246 | max_entries, read_iter, usage, is_truncated); | |
12247 | ||
12248 | return r; | |
12249 | } | |
12250 | ||
12251 | int RGWRados::cls_obj_usage_log_trim(string& oid, string& user, uint64_t start_epoch, uint64_t end_epoch) | |
12252 | { | |
12253 | rgw_raw_obj obj(get_zone_params().usage_log_pool, oid); | |
12254 | ||
12255 | rgw_rados_ref ref; | |
12256 | rgw_pool pool; | |
12257 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12258 | if (r < 0) { | |
12259 | return r; | |
12260 | } | |
12261 | ||
12262 | ObjectWriteOperation op; | |
12263 | cls_rgw_usage_log_trim(op, user, start_epoch, end_epoch); | |
12264 | ||
12265 | r = ref.ioctx.operate(ref.oid, &op); | |
12266 | return r; | |
12267 | } | |
12268 | ||
12269 | int RGWRados::remove_objs_from_index(RGWBucketInfo& bucket_info, list<rgw_obj_index_key>& oid_list) | |
12270 | { | |
12271 | librados::IoCtx index_ctx; | |
12272 | string dir_oid; | |
12273 | ||
12274 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12275 | ||
12276 | int r = open_bucket_index(bucket_info, index_ctx, dir_oid); | |
12277 | if (r < 0) | |
12278 | return r; | |
12279 | ||
12280 | bufferlist updates; | |
12281 | ||
12282 | for (auto iter = oid_list.begin(); iter != oid_list.end(); ++iter) { | |
12283 | rgw_bucket_dir_entry entry; | |
12284 | entry.key = *iter; | |
12285 | dout(2) << "RGWRados::remove_objs_from_index bucket=" << bucket_info.bucket << " obj=" << entry.key.name << ":" << entry.key.instance << dendl; | |
12286 | entry.ver.epoch = (uint64_t)-1; // ULLONG_MAX, needed to that objclass doesn't skip out request | |
12287 | updates.append(CEPH_RGW_REMOVE | suggest_flag); | |
12288 | ::encode(entry, updates); | |
12289 | } | |
12290 | ||
12291 | bufferlist out; | |
12292 | ||
12293 | r = index_ctx.exec(dir_oid, RGW_CLASS, RGW_DIR_SUGGEST_CHANGES, updates, out); | |
12294 | ||
12295 | return r; | |
12296 | } | |
12297 | ||
12298 | int RGWRados::check_disk_state(librados::IoCtx io_ctx, | |
12299 | const RGWBucketInfo& bucket_info, | |
12300 | rgw_bucket_dir_entry& list_state, | |
12301 | rgw_bucket_dir_entry& object, | |
12302 | bufferlist& suggested_updates) | |
12303 | { | |
12304 | const rgw_bucket& bucket = bucket_info.bucket; | |
12305 | uint8_t suggest_flag = (get_zone().log_data ? CEPH_RGW_DIR_SUGGEST_LOG_OP : 0); | |
12306 | ||
12307 | std::string loc; | |
12308 | ||
12309 | rgw_obj obj(bucket, list_state.key); | |
12310 | ||
12311 | string oid; | |
12312 | get_obj_bucket_and_oid_loc(obj, oid, loc); | |
12313 | ||
12314 | if (loc != list_state.locator) { | |
12315 | ldout(cct, 0) << "WARNING: generated locator (" << loc << ") is different from listed locator (" << list_state.locator << ")" << dendl; | |
12316 | } | |
12317 | ||
12318 | io_ctx.locator_set_key(list_state.locator); | |
12319 | ||
12320 | RGWObjState *astate = NULL; | |
12321 | RGWObjectCtx rctx(this); | |
12322 | int r = get_obj_state(&rctx, bucket_info, obj, &astate, false); | |
12323 | if (r < 0) | |
12324 | return r; | |
12325 | ||
12326 | list_state.pending_map.clear(); // we don't need this and it inflates size | |
12327 | if (!astate->exists) { | |
12328 | /* object doesn't exist right now -- hopefully because it's | |
12329 | * marked as !exists and got deleted */ | |
12330 | if (list_state.exists) { | |
12331 | /* FIXME: what should happen now? Work out if there are any | |
12332 | * non-bad ways this could happen (there probably are, but annoying | |
12333 | * to handle!) */ | |
12334 | } | |
12335 | // encode a suggested removal of that key | |
12336 | list_state.ver.epoch = io_ctx.get_last_version(); | |
12337 | list_state.ver.pool = io_ctx.get_id(); | |
12338 | cls_rgw_encode_suggestion(CEPH_RGW_REMOVE, list_state, suggested_updates); | |
12339 | return -ENOENT; | |
12340 | } | |
12341 | ||
12342 | string etag; | |
12343 | string content_type; | |
12344 | ACLOwner owner; | |
12345 | ||
12346 | object.meta.size = astate->size; | |
12347 | object.meta.accounted_size = astate->accounted_size; | |
12348 | object.meta.mtime = astate->mtime; | |
12349 | ||
12350 | map<string, bufferlist>::iterator iter = astate->attrset.find(RGW_ATTR_ETAG); | |
12351 | if (iter != astate->attrset.end()) { | |
12352 | etag = iter->second.c_str(); | |
12353 | } | |
12354 | iter = astate->attrset.find(RGW_ATTR_CONTENT_TYPE); | |
12355 | if (iter != astate->attrset.end()) { | |
12356 | content_type = iter->second.c_str(); | |
12357 | } | |
12358 | iter = astate->attrset.find(RGW_ATTR_ACL); | |
12359 | if (iter != astate->attrset.end()) { | |
12360 | r = decode_policy(iter->second, &owner); | |
12361 | if (r < 0) { | |
12362 | dout(0) << "WARNING: could not decode policy for object: " << obj << dendl; | |
12363 | } | |
12364 | } | |
12365 | ||
12366 | if (astate->has_manifest) { | |
12367 | RGWObjManifest::obj_iterator miter; | |
12368 | RGWObjManifest& manifest = astate->manifest; | |
12369 | for (miter = manifest.obj_begin(); miter != manifest.obj_end(); ++miter) { | |
12370 | const rgw_raw_obj& raw_loc = miter.get_location().get_raw_obj(this); | |
12371 | rgw_obj loc; | |
12372 | rgw_raw_obj_to_obj(manifest.get_obj().bucket, raw_loc, &loc); | |
12373 | ||
12374 | if (loc.key.ns == RGW_OBJ_NS_MULTIPART) { | |
12375 | dout(10) << "check_disk_state(): removing manifest part from index: " << loc << dendl; | |
12376 | r = delete_obj_index(loc); | |
12377 | if (r < 0) { | |
12378 | dout(0) << "WARNING: delete_obj_index() returned r=" << r << dendl; | |
12379 | } | |
12380 | } | |
12381 | } | |
12382 | } | |
12383 | ||
12384 | object.meta.etag = etag; | |
12385 | object.meta.content_type = content_type; | |
12386 | object.meta.owner = owner.get_id().to_str(); | |
12387 | object.meta.owner_display_name = owner.get_display_name(); | |
12388 | ||
12389 | // encode suggested updates | |
12390 | list_state.ver.pool = io_ctx.get_id(); | |
12391 | list_state.ver.epoch = astate->epoch; | |
12392 | list_state.meta.size = object.meta.size; | |
12393 | list_state.meta.accounted_size = object.meta.accounted_size; | |
12394 | list_state.meta.mtime = object.meta.mtime; | |
12395 | list_state.meta.category = main_category; | |
12396 | list_state.meta.etag = etag; | |
12397 | list_state.meta.content_type = content_type; | |
12398 | if (astate->obj_tag.length() > 0) | |
12399 | list_state.tag = astate->obj_tag.c_str(); | |
12400 | list_state.meta.owner = owner.get_id().to_str(); | |
12401 | list_state.meta.owner_display_name = owner.get_display_name(); | |
12402 | ||
12403 | list_state.exists = true; | |
12404 | cls_rgw_encode_suggestion(CEPH_RGW_UPDATE | suggest_flag, list_state, suggested_updates); | |
12405 | return 0; | |
12406 | } | |
12407 | ||
12408 | 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) | |
12409 | { | |
12410 | librados::IoCtx index_ctx; | |
12411 | map<int, string> oids; | |
12412 | map<int, struct rgw_cls_list_ret> list_results; | |
12413 | int r = open_bucket_index(bucket_info, index_ctx, oids, list_results, shard_id, bucket_instance_ids); | |
12414 | if (r < 0) | |
12415 | return r; | |
12416 | ||
12417 | r = CLSRGWIssueGetDirHeader(index_ctx, oids, list_results, cct->_conf->rgw_bucket_index_max_aio)(); | |
12418 | if (r < 0) | |
12419 | return r; | |
12420 | ||
12421 | map<int, struct rgw_cls_list_ret>::iterator iter = list_results.begin(); | |
12422 | for(; iter != list_results.end(); ++iter) { | |
12423 | headers[oids[iter->first]] = iter->second.dir.header; | |
12424 | } | |
12425 | return 0; | |
12426 | } | |
12427 | ||
12428 | int RGWRados::cls_bucket_head_async(const RGWBucketInfo& bucket_info, int shard_id, RGWGetDirHeader_CB *ctx, int *num_aio) | |
12429 | { | |
12430 | librados::IoCtx index_ctx; | |
12431 | map<int, string> bucket_objs; | |
12432 | int r = open_bucket_index(bucket_info, index_ctx, bucket_objs, shard_id); | |
12433 | if (r < 0) | |
12434 | return r; | |
12435 | ||
12436 | map<int, string>::iterator iter = bucket_objs.begin(); | |
12437 | for (; iter != bucket_objs.end(); ++iter) { | |
12438 | r = cls_rgw_get_dir_header_async(index_ctx, iter->second, static_cast<RGWGetDirHeader_CB*>(ctx->get())); | |
12439 | if (r < 0) { | |
12440 | ctx->put(); | |
12441 | break; | |
12442 | } else { | |
12443 | (*num_aio)++; | |
12444 | } | |
12445 | } | |
12446 | return r; | |
12447 | } | |
12448 | ||
12449 | int RGWRados::cls_user_get_header(const string& user_id, cls_user_header *header) | |
12450 | { | |
12451 | string buckets_obj_id; | |
12452 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12453 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12454 | ||
12455 | rgw_rados_ref ref; | |
12456 | rgw_pool pool; | |
12457 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12458 | if (r < 0) { | |
12459 | return r; | |
12460 | } | |
12461 | ||
12462 | librados::ObjectReadOperation op; | |
12463 | int rc; | |
12464 | ::cls_user_get_header(op, header, &rc); | |
12465 | bufferlist ibl; | |
12466 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
12467 | if (r < 0) | |
12468 | return r; | |
12469 | if (rc < 0) | |
12470 | return rc; | |
12471 | ||
12472 | return 0; | |
12473 | } | |
12474 | ||
12475 | int RGWRados::cls_user_get_header_async(const string& user_id, RGWGetUserHeader_CB *ctx) | |
12476 | { | |
12477 | string buckets_obj_id; | |
12478 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12479 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12480 | ||
12481 | rgw_rados_ref ref; | |
12482 | rgw_pool pool; | |
12483 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12484 | if (r < 0) { | |
12485 | return r; | |
12486 | } | |
12487 | ||
12488 | r = ::cls_user_get_header_async(ref.ioctx, ref.oid, ctx); | |
12489 | if (r < 0) | |
12490 | return r; | |
12491 | ||
12492 | return 0; | |
12493 | } | |
12494 | ||
12495 | int RGWRados::cls_user_sync_bucket_stats(rgw_raw_obj& user_obj, const RGWBucketInfo& bucket_info) | |
12496 | { | |
12497 | map<string, struct rgw_bucket_dir_header> headers; | |
12498 | int r = cls_bucket_head(bucket_info, RGW_NO_SHARD, headers); | |
12499 | if (r < 0) { | |
12500 | ldout(cct, 20) << "cls_bucket_header() returned " << r << dendl; | |
12501 | return r; | |
12502 | } | |
12503 | ||
12504 | cls_user_bucket_entry entry; | |
12505 | ||
12506 | bucket_info.bucket.convert(&entry.bucket); | |
12507 | ||
12508 | map<string, struct rgw_bucket_dir_header>::iterator hiter = headers.begin(); | |
12509 | for (; hiter != headers.end(); ++hiter) { | |
12510 | map<uint8_t, struct rgw_bucket_category_stats>::iterator iter = hiter->second.stats.begin(); | |
12511 | for (; iter != hiter->second.stats.end(); ++iter) { | |
12512 | struct rgw_bucket_category_stats& header_stats = iter->second; | |
12513 | entry.size += header_stats.total_size; | |
12514 | entry.size_rounded += header_stats.total_size_rounded; | |
12515 | entry.count += header_stats.num_entries; | |
12516 | } | |
12517 | } | |
12518 | ||
12519 | list<cls_user_bucket_entry> entries; | |
12520 | entries.push_back(entry); | |
12521 | ||
12522 | r = cls_user_update_buckets(user_obj, entries, false); | |
12523 | if (r < 0) { | |
12524 | ldout(cct, 20) << "cls_user_update_buckets() returned " << r << dendl; | |
12525 | return r; | |
12526 | } | |
12527 | ||
12528 | return 0; | |
12529 | } | |
12530 | ||
12531 | int RGWRados::cls_user_list_buckets(rgw_raw_obj& obj, | |
12532 | const string& in_marker, | |
12533 | const string& end_marker, | |
12534 | const int max_entries, | |
12535 | list<cls_user_bucket_entry>& entries, | |
12536 | string * const out_marker, | |
12537 | bool * const truncated) | |
12538 | { | |
12539 | rgw_rados_ref ref; | |
12540 | rgw_pool pool; | |
12541 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12542 | if (r < 0) { | |
12543 | return r; | |
12544 | } | |
12545 | ||
12546 | librados::ObjectReadOperation op; | |
12547 | int rc; | |
12548 | ||
12549 | cls_user_bucket_list(op, in_marker, end_marker, max_entries, entries, out_marker, truncated, &rc); | |
12550 | bufferlist ibl; | |
12551 | r = ref.ioctx.operate(ref.oid, &op, &ibl); | |
12552 | if (r < 0) | |
12553 | return r; | |
12554 | if (rc < 0) | |
12555 | return rc; | |
12556 | ||
12557 | return 0; | |
12558 | } | |
12559 | ||
12560 | int RGWRados::cls_user_update_buckets(rgw_raw_obj& obj, list<cls_user_bucket_entry>& entries, bool add) | |
12561 | { | |
12562 | rgw_rados_ref ref; | |
12563 | rgw_pool pool; | |
12564 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12565 | if (r < 0) { | |
12566 | return r; | |
12567 | } | |
12568 | ||
12569 | librados::ObjectWriteOperation op; | |
12570 | cls_user_set_buckets(op, entries, add); | |
12571 | r = ref.ioctx.operate(ref.oid, &op); | |
12572 | if (r < 0) | |
12573 | return r; | |
12574 | ||
12575 | return 0; | |
12576 | } | |
12577 | ||
12578 | int RGWRados::complete_sync_user_stats(const rgw_user& user_id) | |
12579 | { | |
12580 | string buckets_obj_id; | |
12581 | rgw_get_buckets_obj(user_id, buckets_obj_id); | |
12582 | rgw_raw_obj obj(get_zone_params().user_uid_pool, buckets_obj_id); | |
12583 | return cls_user_complete_stats_sync(obj); | |
12584 | } | |
12585 | ||
12586 | int RGWRados::cls_user_complete_stats_sync(rgw_raw_obj& obj) | |
12587 | { | |
12588 | rgw_rados_ref ref; | |
12589 | rgw_pool pool; | |
12590 | int r = get_raw_obj_ref(obj, &ref, &pool); | |
12591 | if (r < 0) { | |
12592 | return r; | |
12593 | } | |
12594 | ||
12595 | librados::ObjectWriteOperation op; | |
12596 | ::cls_user_complete_stats_sync(op); | |
12597 | r = ref.ioctx.operate(ref.oid, &op); | |
12598 | if (r < 0) | |
12599 | return r; | |
12600 | ||
12601 | return 0; | |
12602 | } | |
12603 | ||
12604 | int RGWRados::cls_user_add_bucket(rgw_raw_obj& obj, const cls_user_bucket_entry& entry) | |
12605 | { | |
12606 | list<cls_user_bucket_entry> l; | |
12607 | l.push_back(entry); | |
12608 | ||
12609 | return cls_user_update_buckets(obj, l, true); | |
12610 | } | |
12611 | ||
12612 | int RGWRados::cls_user_remove_bucket(rgw_raw_obj& obj, const cls_user_bucket& bucket) | |
12613 | { | |
12614 | rgw_pool p; | |
12615 | rgw_rados_ref ref; | |
12616 | int r = get_system_obj_ref(obj, &ref, &p); | |
12617 | if (r < 0) { | |
12618 | return r; | |
12619 | } | |
12620 | ||
12621 | librados::ObjectWriteOperation op; | |
12622 | ::cls_user_remove_bucket(op, bucket); | |
12623 | r = ref.ioctx.operate(ref.oid, &op); | |
12624 | if (r < 0) | |
12625 | return r; | |
12626 | ||
12627 | return 0; | |
12628 | } | |
12629 | ||
12630 | int RGWRados::check_quota(const rgw_user& bucket_owner, rgw_bucket& bucket, | |
12631 | RGWQuotaInfo& user_quota, RGWQuotaInfo& bucket_quota, uint64_t obj_size) | |
12632 | { | |
12633 | return quota_handler->check_quota(bucket_owner, bucket, user_quota, bucket_quota, 1, obj_size); | |
12634 | } | |
12635 | ||
12636 | void RGWRados::get_bucket_index_objects(const string& bucket_oid_base, | |
12637 | uint32_t num_shards, map<int, string>& bucket_objects, int shard_id) | |
12638 | { | |
12639 | if (!num_shards) { | |
12640 | bucket_objects[0] = bucket_oid_base; | |
12641 | } else { | |
12642 | char buf[bucket_oid_base.size() + 32]; | |
12643 | if (shard_id < 0) { | |
12644 | for (uint32_t i = 0; i < num_shards; ++i) { | |
12645 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), i); | |
12646 | bucket_objects[i] = buf; | |
12647 | } | |
12648 | } else { | |
12649 | if ((uint32_t)shard_id > num_shards) { | |
12650 | return; | |
12651 | } | |
12652 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
12653 | bucket_objects[shard_id] = buf; | |
12654 | } | |
12655 | } | |
12656 | } | |
12657 | ||
12658 | void RGWRados::get_bucket_instance_ids(const RGWBucketInfo& bucket_info, int shard_id, map<int, string> *result) | |
12659 | { | |
12660 | const rgw_bucket& bucket = bucket_info.bucket; | |
12661 | string plain_id = bucket.name + ":" + bucket.bucket_id; | |
12662 | if (!bucket_info.num_shards) { | |
12663 | (*result)[0] = plain_id; | |
12664 | } else { | |
12665 | char buf[16]; | |
12666 | if (shard_id < 0) { | |
12667 | for (uint32_t i = 0; i < bucket_info.num_shards; ++i) { | |
12668 | snprintf(buf, sizeof(buf), ":%d", i); | |
12669 | (*result)[i] = plain_id + buf; | |
12670 | } | |
12671 | } else { | |
12672 | if ((uint32_t)shard_id > bucket_info.num_shards) { | |
12673 | return; | |
12674 | } | |
12675 | snprintf(buf, sizeof(buf), ":%d", shard_id); | |
12676 | (*result)[shard_id] = plain_id + buf; | |
12677 | } | |
12678 | } | |
12679 | } | |
12680 | ||
12681 | int RGWRados::get_target_shard_id(const RGWBucketInfo& bucket_info, const string& obj_key, | |
12682 | int *shard_id) | |
12683 | { | |
12684 | int r = 0; | |
12685 | switch (bucket_info.bucket_index_shard_hash_type) { | |
12686 | case RGWBucketInfo::MOD: | |
12687 | if (!bucket_info.num_shards) { | |
12688 | if (shard_id) { | |
12689 | *shard_id = -1; | |
12690 | } | |
12691 | } else { | |
12692 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
12693 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
12694 | sid = sid2 % MAX_BUCKET_INDEX_SHARDS_PRIME % bucket_info.num_shards; | |
12695 | if (shard_id) { | |
12696 | *shard_id = (int)sid; | |
12697 | } | |
12698 | } | |
12699 | break; | |
12700 | default: | |
12701 | r = -ENOTSUP; | |
12702 | } | |
12703 | return r; | |
12704 | } | |
12705 | ||
12706 | void RGWRados::get_bucket_index_object(const string& bucket_oid_base, uint32_t num_shards, | |
12707 | int shard_id, string *bucket_obj) | |
12708 | { | |
12709 | if (!num_shards) { | |
12710 | // By default with no sharding, we use the bucket oid as itself | |
12711 | (*bucket_obj) = bucket_oid_base; | |
12712 | } else { | |
12713 | char buf[bucket_oid_base.size() + 32]; | |
12714 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), shard_id); | |
12715 | (*bucket_obj) = buf; | |
12716 | } | |
12717 | } | |
12718 | ||
12719 | int RGWRados::get_bucket_index_object(const string& bucket_oid_base, const string& obj_key, | |
12720 | uint32_t num_shards, RGWBucketInfo::BIShardsHashType hash_type, string *bucket_obj, int *shard_id) | |
12721 | { | |
12722 | int r = 0; | |
12723 | switch (hash_type) { | |
12724 | case RGWBucketInfo::MOD: | |
12725 | if (!num_shards) { | |
12726 | // By default with no sharding, we use the bucket oid as itself | |
12727 | (*bucket_obj) = bucket_oid_base; | |
12728 | if (shard_id) { | |
12729 | *shard_id = -1; | |
12730 | } | |
12731 | } else { | |
12732 | uint32_t sid = ceph_str_hash_linux(obj_key.c_str(), obj_key.size()); | |
12733 | uint32_t sid2 = sid ^ ((sid & 0xFF) << 24); | |
12734 | sid = sid2 % MAX_BUCKET_INDEX_SHARDS_PRIME % num_shards; | |
12735 | char buf[bucket_oid_base.size() + 32]; | |
12736 | snprintf(buf, sizeof(buf), "%s.%d", bucket_oid_base.c_str(), sid); | |
12737 | (*bucket_obj) = buf; | |
12738 | if (shard_id) { | |
12739 | *shard_id = (int)sid; | |
12740 | } | |
12741 | } | |
12742 | break; | |
12743 | default: | |
12744 | r = -ENOTSUP; | |
12745 | } | |
12746 | return r; | |
12747 | } | |
12748 | ||
12749 | void RGWStateLog::oid_str(int shard, string& oid) { | |
12750 | oid = RGW_STATELOG_OBJ_PREFIX + module_name + "."; | |
12751 | char buf[16]; | |
12752 | snprintf(buf, sizeof(buf), "%d", shard); | |
12753 | oid += buf; | |
12754 | } | |
12755 | ||
12756 | int RGWStateLog::get_shard_num(const string& object) { | |
12757 | uint32_t val = ceph_str_hash_linux(object.c_str(), object.length()); | |
12758 | return val % num_shards; | |
12759 | } | |
12760 | ||
12761 | string RGWStateLog::get_oid(const string& object) { | |
12762 | int shard = get_shard_num(object); | |
12763 | string oid; | |
12764 | oid_str(shard, oid); | |
12765 | return oid; | |
12766 | } | |
12767 | ||
12768 | int RGWStateLog::open_ioctx(librados::IoCtx& ioctx) { | |
12769 | rgw_pool pool; | |
12770 | store->get_log_pool(pool); | |
12771 | int r = rgw_init_ioctx(store->get_rados_handle(), pool, ioctx); | |
12772 | if (r < 0) { | |
12773 | lderr(store->ctx()) << "ERROR: could not open rados pool" << dendl; | |
12774 | return r; | |
12775 | } | |
12776 | return 0; | |
12777 | } | |
12778 | ||
12779 | int RGWStateLog::store_entry(const string& client_id, const string& op_id, const string& object, | |
12780 | uint32_t state, bufferlist *bl, uint32_t *check_state) | |
12781 | { | |
12782 | if (client_id.empty() || | |
12783 | op_id.empty() || | |
12784 | object.empty()) { | |
12785 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
12786 | } | |
12787 | ||
12788 | librados::IoCtx ioctx; | |
12789 | int r = open_ioctx(ioctx); | |
12790 | if (r < 0) | |
12791 | return r; | |
12792 | ||
12793 | string oid = get_oid(object); | |
12794 | ||
12795 | librados::ObjectWriteOperation op; | |
12796 | if (check_state) { | |
12797 | cls_statelog_check_state(op, client_id, op_id, object, *check_state); | |
12798 | } | |
12799 | utime_t ts = ceph_clock_now(); | |
12800 | bufferlist nobl; | |
12801 | cls_statelog_add(op, client_id, op_id, object, ts, state, (bl ? *bl : nobl)); | |
12802 | r = ioctx.operate(oid, &op); | |
12803 | if (r < 0) { | |
12804 | return r; | |
12805 | } | |
12806 | ||
12807 | return 0; | |
12808 | } | |
12809 | ||
12810 | int RGWStateLog::remove_entry(const string& client_id, const string& op_id, const string& object) | |
12811 | { | |
12812 | if (client_id.empty() || | |
12813 | op_id.empty() || | |
12814 | object.empty()) { | |
12815 | ldout(store->ctx(), 0) << "client_id / op_id / object is empty" << dendl; | |
12816 | } | |
12817 | ||
12818 | librados::IoCtx ioctx; | |
12819 | int r = open_ioctx(ioctx); | |
12820 | if (r < 0) | |
12821 | return r; | |
12822 | ||
12823 | string oid = get_oid(object); | |
12824 | ||
12825 | librados::ObjectWriteOperation op; | |
12826 | cls_statelog_remove_by_object(op, object, op_id); | |
12827 | r = ioctx.operate(oid, &op); | |
12828 | if (r < 0) { | |
12829 | return r; | |
12830 | } | |
12831 | ||
12832 | return 0; | |
12833 | } | |
12834 | ||
12835 | void RGWStateLog::init_list_entries(const string& client_id, const string& op_id, const string& object, | |
12836 | void **handle) | |
12837 | { | |
12838 | list_state *state = new list_state; | |
12839 | state->client_id = client_id; | |
12840 | state->op_id = op_id; | |
12841 | state->object = object; | |
12842 | if (object.empty()) { | |
12843 | state->cur_shard = 0; | |
12844 | state->max_shard = num_shards - 1; | |
12845 | } else { | |
12846 | state->cur_shard = state->max_shard = get_shard_num(object); | |
12847 | } | |
12848 | *handle = (void *)state; | |
12849 | } | |
12850 | ||
12851 | int RGWStateLog::list_entries(void *handle, int max_entries, | |
12852 | list<cls_statelog_entry>& entries, | |
12853 | bool *done) | |
12854 | { | |
12855 | list_state *state = static_cast<list_state *>(handle); | |
12856 | ||
12857 | librados::IoCtx ioctx; | |
12858 | int r = open_ioctx(ioctx); | |
12859 | if (r < 0) | |
12860 | return r; | |
12861 | ||
12862 | entries.clear(); | |
12863 | ||
12864 | for (; state->cur_shard <= state->max_shard && max_entries > 0; ++state->cur_shard) { | |
12865 | string oid; | |
12866 | oid_str(state->cur_shard, oid); | |
12867 | ||
12868 | librados::ObjectReadOperation op; | |
12869 | list<cls_statelog_entry> ents; | |
12870 | bool truncated; | |
12871 | cls_statelog_list(op, state->client_id, state->op_id, state->object, state->marker, | |
12872 | max_entries, ents, &state->marker, &truncated); | |
12873 | bufferlist ibl; | |
12874 | r = ioctx.operate(oid, &op, &ibl); | |
12875 | if (r == -ENOENT) { | |
12876 | truncated = false; | |
12877 | r = 0; | |
12878 | } | |
12879 | if (r < 0) { | |
12880 | ldout(store->ctx(), 0) << "cls_statelog_list returned " << r << dendl; | |
12881 | return r; | |
12882 | } | |
12883 | ||
12884 | if (!truncated) { | |
12885 | state->marker.clear(); | |
12886 | } | |
12887 | ||
12888 | max_entries -= ents.size(); | |
12889 | ||
12890 | entries.splice(entries.end(), ents); | |
12891 | ||
12892 | if (truncated) | |
12893 | break; | |
12894 | } | |
12895 | ||
12896 | *done = (state->cur_shard > state->max_shard); | |
12897 | ||
12898 | return 0; | |
12899 | } | |
12900 | ||
12901 | void RGWStateLog::finish_list_entries(void *handle) | |
12902 | { | |
12903 | list_state *state = static_cast<list_state *>(handle); | |
12904 | delete state; | |
12905 | } | |
12906 | ||
12907 | void RGWStateLog::dump_entry(const cls_statelog_entry& entry, Formatter *f) | |
12908 | { | |
12909 | f->open_object_section("statelog_entry"); | |
12910 | f->dump_string("client_id", entry.client_id); | |
12911 | f->dump_string("op_id", entry.op_id); | |
12912 | f->dump_string("object", entry.object); | |
12913 | entry.timestamp.gmtime_nsec(f->dump_stream("timestamp")); | |
12914 | if (!dump_entry_internal(entry, f)) { | |
12915 | f->dump_int("state", entry.state); | |
12916 | } | |
12917 | f->close_section(); | |
12918 | } | |
12919 | ||
12920 | RGWOpState::RGWOpState(RGWRados *_store) : RGWStateLog(_store, _store->ctx()->_conf->rgw_num_zone_opstate_shards, string("obj_opstate")) | |
12921 | { | |
12922 | } | |
12923 | ||
12924 | bool RGWOpState::dump_entry_internal(const cls_statelog_entry& entry, Formatter *f) | |
12925 | { | |
12926 | string s; | |
12927 | switch ((OpState)entry.state) { | |
12928 | case OPSTATE_UNKNOWN: | |
12929 | s = "unknown"; | |
12930 | break; | |
12931 | case OPSTATE_IN_PROGRESS: | |
12932 | s = "in-progress"; | |
12933 | break; | |
12934 | case OPSTATE_COMPLETE: | |
12935 | s = "complete"; | |
12936 | break; | |
12937 | case OPSTATE_ERROR: | |
12938 | s = "error"; | |
12939 | break; | |
12940 | case OPSTATE_ABORT: | |
12941 | s = "abort"; | |
12942 | break; | |
12943 | case OPSTATE_CANCELLED: | |
12944 | s = "cancelled"; | |
12945 | break; | |
12946 | default: | |
12947 | s = "invalid"; | |
12948 | } | |
12949 | f->dump_string("state", s); | |
12950 | return true; | |
12951 | } | |
12952 | ||
12953 | int RGWOpState::state_from_str(const string& s, OpState *state) | |
12954 | { | |
12955 | if (s == "unknown") { | |
12956 | *state = OPSTATE_UNKNOWN; | |
12957 | } else if (s == "in-progress") { | |
12958 | *state = OPSTATE_IN_PROGRESS; | |
12959 | } else if (s == "complete") { | |
12960 | *state = OPSTATE_COMPLETE; | |
12961 | } else if (s == "error") { | |
12962 | *state = OPSTATE_ERROR; | |
12963 | } else if (s == "abort") { | |
12964 | *state = OPSTATE_ABORT; | |
12965 | } else if (s == "cancelled") { | |
12966 | *state = OPSTATE_CANCELLED; | |
12967 | } else { | |
12968 | return -EINVAL; | |
12969 | } | |
12970 | ||
12971 | return 0; | |
12972 | } | |
12973 | ||
12974 | int RGWOpState::set_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
12975 | { | |
12976 | uint32_t s = (uint32_t)state; | |
12977 | return store_entry(client_id, op_id, object, s, NULL, NULL); | |
12978 | } | |
12979 | ||
12980 | int RGWOpState::renew_state(const string& client_id, const string& op_id, const string& object, OpState state) | |
12981 | { | |
12982 | uint32_t s = (uint32_t)state; | |
12983 | return store_entry(client_id, op_id, object, s, NULL, &s); | |
12984 | } | |
12985 | ||
12986 | RGWOpStateSingleOp::RGWOpStateSingleOp(RGWRados *store, const string& cid, const string& oid, | |
12987 | const string& obj) : os(store), client_id(cid), op_id(oid), object(obj) | |
12988 | { | |
12989 | cct = store->ctx(); | |
12990 | cur_state = RGWOpState::OPSTATE_UNKNOWN; | |
12991 | } | |
12992 | ||
12993 | int RGWOpStateSingleOp::set_state(RGWOpState::OpState state) { | |
12994 | last_update = real_clock::now(); | |
12995 | cur_state = state; | |
12996 | return os.set_state(client_id, op_id, object, state); | |
12997 | } | |
12998 | ||
12999 | int RGWOpStateSingleOp::renew_state() { | |
13000 | real_time now = real_clock::now(); | |
13001 | ||
13002 | int rate_limit_sec = cct->_conf->rgw_opstate_ratelimit_sec; | |
13003 | ||
13004 | if (rate_limit_sec && now - last_update < make_timespan(rate_limit_sec)) { | |
13005 | return 0; | |
13006 | } | |
13007 | ||
13008 | last_update = now; | |
13009 | return os.renew_state(client_id, op_id, object, cur_state); | |
13010 | } | |
13011 | ||
13012 | ||
13013 | uint64_t RGWRados::instance_id() | |
13014 | { | |
13015 | return get_rados_handle()->get_instance_id(); | |
13016 | } | |
13017 | ||
13018 | uint64_t RGWRados::next_bucket_id() | |
13019 | { | |
13020 | Mutex::Locker l(bucket_id_lock); | |
13021 | return ++max_bucket_id; | |
13022 | } | |
13023 | ||
13024 | RGWRados *RGWStoreManager::init_storage_provider(CephContext *cct, bool use_gc_thread, bool use_lc_thread, bool quota_threads, bool run_sync_thread) | |
13025 | { | |
13026 | int use_cache = cct->_conf->rgw_cache_enabled; | |
13027 | RGWRados *store = NULL; | |
13028 | if (!use_cache) { | |
13029 | store = new RGWRados; | |
13030 | } else { | |
13031 | store = new RGWCache<RGWRados>; | |
13032 | } | |
13033 | ||
13034 | if (store->initialize(cct, use_gc_thread, use_lc_thread, quota_threads, run_sync_thread) < 0) { | |
13035 | delete store; | |
13036 | return NULL; | |
13037 | } | |
13038 | ||
13039 | return store; | |
13040 | } | |
13041 | ||
13042 | RGWRados *RGWStoreManager::init_raw_storage_provider(CephContext *cct) | |
13043 | { | |
13044 | RGWRados *store = NULL; | |
13045 | store = new RGWRados; | |
13046 | ||
13047 | store->set_context(cct); | |
13048 | ||
13049 | if (store->init_rados() < 0) { | |
13050 | delete store; | |
13051 | return NULL; | |
13052 | } | |
13053 | ||
13054 | return store; | |
13055 | } | |
13056 | ||
13057 | void RGWStoreManager::close_storage(RGWRados *store) | |
13058 | { | |
13059 | if (!store) | |
13060 | return; | |
13061 | ||
13062 | store->finalize(); | |
13063 | ||
13064 | delete store; | |
13065 | } | |
13066 | ||
13067 | librados::Rados* RGWRados::get_rados_handle() | |
13068 | { | |
13069 | if (rados.size() == 1) { | |
13070 | return &rados[0]; | |
13071 | } else { | |
13072 | handle_lock.get_read(); | |
13073 | pthread_t id = pthread_self(); | |
13074 | std::map<pthread_t, int>:: iterator it = rados_map.find(id); | |
13075 | ||
13076 | if (it != rados_map.end()) { | |
13077 | handle_lock.put_read(); | |
13078 | return &rados[it->second]; | |
13079 | } else { | |
13080 | handle_lock.put_read(); | |
13081 | handle_lock.get_write(); | |
13082 | const uint32_t handle = next_rados_handle; | |
13083 | rados_map[id] = handle; | |
13084 | if (++next_rados_handle == rados.size()) { | |
13085 | next_rados_handle = 0; | |
13086 | } | |
13087 | handle_lock.put_write(); | |
13088 | return &rados[handle]; | |
13089 | } | |
13090 | } | |
13091 | } | |
13092 | ||
13093 | int RGWRados::delete_raw_obj_aio(const rgw_raw_obj& obj, list<librados::AioCompletion *>& handles) | |
13094 | { | |
13095 | rgw_rados_ref ref; | |
13096 | int ret = get_raw_obj_ref(obj, &ref); | |
13097 | if (ret < 0) { | |
13098 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13099 | return ret; | |
13100 | } | |
13101 | ||
13102 | ObjectWriteOperation op; | |
13103 | list<string> prefixes; | |
13104 | cls_rgw_remove_obj(op, prefixes); | |
13105 | ||
13106 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13107 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13108 | if (ret < 0) { | |
13109 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13110 | c->release(); | |
13111 | return ret; | |
13112 | } | |
13113 | ||
13114 | handles.push_back(c); | |
13115 | ||
13116 | return 0; | |
13117 | } | |
13118 | ||
13119 | int RGWRados::delete_obj_aio(const rgw_obj& obj, | |
13120 | RGWBucketInfo& bucket_info, RGWObjState *astate, | |
13121 | list<librados::AioCompletion *>& handles, bool keep_index_consistent) | |
13122 | { | |
13123 | rgw_rados_ref ref; | |
13124 | int ret = get_obj_head_ref(bucket_info, obj, &ref); | |
13125 | if (ret < 0) { | |
13126 | lderr(cct) << "ERROR: failed to get obj ref with ret=" << ret << dendl; | |
13127 | return ret; | |
13128 | } | |
13129 | ||
13130 | if (keep_index_consistent) { | |
13131 | RGWRados::Bucket bop(this, bucket_info); | |
13132 | RGWRados::Bucket::UpdateIndex index_op(&bop, obj); | |
13133 | ||
13134 | ret = index_op.prepare(CLS_RGW_OP_DEL, &astate->write_tag); | |
13135 | if (ret < 0) { | |
13136 | lderr(cct) << "ERROR: failed to prepare index op with ret=" << ret << dendl; | |
13137 | return ret; | |
13138 | } | |
13139 | } | |
13140 | ||
13141 | ObjectWriteOperation op; | |
13142 | list<string> prefixes; | |
13143 | cls_rgw_remove_obj(op, prefixes); | |
13144 | ||
13145 | AioCompletion *c = librados::Rados::aio_create_completion(NULL, NULL, NULL); | |
13146 | ret = ref.ioctx.aio_operate(ref.oid, c, &op); | |
13147 | if (ret < 0) { | |
13148 | lderr(cct) << "ERROR: AioOperate failed with ret=" << ret << dendl; | |
13149 | c->release(); | |
13150 | return ret; | |
13151 | } | |
13152 | ||
13153 | handles.push_back(c); | |
13154 | ||
13155 | if (keep_index_consistent) { | |
13156 | ret = delete_obj_index(obj); | |
13157 | if (ret < 0) { | |
13158 | lderr(cct) << "ERROR: failed to delete obj index with ret=" << ret << dendl; | |
13159 | return ret; | |
13160 | } | |
13161 | } | |
13162 | return ret; | |
13163 | } | |
13164 | ||
13165 | int rgw_compression_info_from_attrset(map<string, bufferlist>& attrs, bool& need_decompress, RGWCompressionInfo& cs_info) { | |
13166 | map<string, bufferlist>::iterator value = attrs.find(RGW_ATTR_COMPRESSION); | |
13167 | if (value != attrs.end()) { | |
13168 | bufferlist::iterator bliter = value->second.begin(); | |
13169 | try { | |
13170 | ::decode(cs_info, bliter); | |
13171 | } catch (buffer::error& err) { | |
13172 | return -EIO; | |
13173 | } | |
13174 | if (cs_info.blocks.size() == 0) { | |
13175 | return -EIO; | |
13176 | } | |
13177 | if (cs_info.compression_type != "none") | |
13178 | need_decompress = true; | |
13179 | else | |
13180 | need_decompress = false; | |
13181 | return 0; | |
13182 | } else { | |
13183 | need_decompress = false; | |
13184 | return 0; | |
13185 | } | |
13186 | } | |
13187 |