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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 "common/errno.h" | |
5 | ||
6 | #include "rgw_zone.h" | |
7 | #include "rgw_realm_watcher.h" | |
8 | #include "rgw_meta_sync_status.h" | |
9 | #include "rgw_sync.h" | |
10 | ||
11 | #include "services/svc_zone.h" | |
12 | #include "services/svc_sys_obj.h" | |
13 | ||
14 | #define dout_subsys ceph_subsys_rgw | |
15 | ||
16 | namespace rgw_zone_defaults { | |
17 | ||
18 | std::string zone_info_oid_prefix = "zone_info."; | |
19 | std::string zone_names_oid_prefix = "zone_names."; | |
20 | std::string region_info_oid_prefix = "region_info."; | |
21 | std::string realm_names_oid_prefix = "realms_names."; | |
22 | std::string zone_group_info_oid_prefix = "zonegroup_info."; | |
23 | std::string realm_info_oid_prefix = "realms."; | |
24 | std::string default_region_info_oid = "default.region"; | |
25 | std::string default_zone_group_info_oid = "default.zonegroup"; | |
26 | std::string period_info_oid_prefix = "periods."; | |
27 | std::string period_latest_epoch_info_oid = ".latest_epoch"; | |
28 | std::string region_map_oid = "region_map"; | |
29 | std::string default_realm_info_oid = "default.realm"; | |
30 | std::string default_zonegroup_name = "default"; | |
31 | std::string default_zone_name = "default"; | |
32 | std::string zonegroup_names_oid_prefix = "zonegroups_names."; | |
33 | std::string RGW_DEFAULT_ZONE_ROOT_POOL = "rgw.root"; | |
34 | std::string RGW_DEFAULT_ZONEGROUP_ROOT_POOL = "rgw.root"; | |
35 | std::string RGW_DEFAULT_REALM_ROOT_POOL = "rgw.root"; | |
36 | std::string RGW_DEFAULT_PERIOD_ROOT_POOL = "rgw.root"; | |
37 | std::string default_bucket_index_pool_suffix = "rgw.buckets.index"; | |
38 | std::string default_storage_extra_pool_suffix = "rgw.buckets.non-ec"; | |
39 | std::string avail_pools = ".pools.avail"; | |
40 | std::string default_storage_pool_suffix = "rgw.buckets.data"; | |
41 | ||
42 | } | |
43 | ||
44 | using namespace rgw_zone_defaults; | |
45 | ||
46 | #define FIRST_EPOCH 1 | |
47 | ||
48 | void RGWDefaultZoneGroupInfo::dump(Formatter *f) const { | |
49 | encode_json("default_zonegroup", default_zonegroup, f); | |
50 | } | |
51 | ||
52 | void RGWDefaultZoneGroupInfo::decode_json(JSONObj *obj) { | |
53 | ||
54 | JSONDecoder::decode_json("default_zonegroup", default_zonegroup, obj); | |
55 | /* backward compatability with region */ | |
56 | if (default_zonegroup.empty()) { | |
57 | JSONDecoder::decode_json("default_region", default_zonegroup, obj); | |
58 | } | |
59 | } | |
60 | ||
61 | rgw_pool RGWZoneGroup::get_pool(CephContext *cct_) const | |
62 | { | |
63 | if (cct_->_conf->rgw_zonegroup_root_pool.empty()) { | |
64 | return rgw_pool(RGW_DEFAULT_ZONEGROUP_ROOT_POOL); | |
65 | } | |
66 | ||
67 | return rgw_pool(cct_->_conf->rgw_zonegroup_root_pool); | |
68 | } | |
69 | ||
70 | int RGWZoneGroup::create_default(bool old_format) | |
71 | { | |
72 | name = default_zonegroup_name; | |
73 | api_name = default_zonegroup_name; | |
74 | is_master = true; | |
75 | ||
76 | RGWZoneGroupPlacementTarget placement_target; | |
77 | placement_target.name = "default-placement"; | |
78 | placement_targets[placement_target.name] = placement_target; | |
79 | default_placement.name = "default-placement"; | |
80 | ||
81 | RGWZoneParams zone_params(default_zone_name); | |
82 | ||
83 | int r = zone_params.init(cct, sysobj_svc, false); | |
84 | if (r < 0) { | |
85 | ldout(cct, 0) << "create_default: error initializing zone params: " << cpp_strerror(-r) << dendl; | |
86 | return r; | |
87 | } | |
88 | ||
89 | r = zone_params.create_default(); | |
90 | if (r < 0 && r != -EEXIST) { | |
91 | ldout(cct, 0) << "create_default: error in create_default zone params: " << cpp_strerror(-r) << dendl; | |
92 | return r; | |
93 | } else if (r == -EEXIST) { | |
94 | ldout(cct, 10) << "zone_params::create_default() returned -EEXIST, we raced with another default zone_params creation" << dendl; | |
95 | zone_params.clear_id(); | |
96 | r = zone_params.init(cct, sysobj_svc); | |
97 | if (r < 0) { | |
98 | ldout(cct, 0) << "create_default: error in init existing zone params: " << cpp_strerror(-r) << dendl; | |
99 | return r; | |
100 | } | |
101 | ldout(cct, 20) << "zone_params::create_default() " << zone_params.get_name() << " id " << zone_params.get_id() | |
102 | << dendl; | |
103 | } | |
104 | ||
105 | RGWZone& default_zone = zones[zone_params.get_id()]; | |
106 | default_zone.name = zone_params.get_name(); | |
107 | default_zone.id = zone_params.get_id(); | |
108 | master_zone = default_zone.id; | |
109 | ||
110 | r = create(); | |
111 | if (r < 0 && r != -EEXIST) { | |
112 | ldout(cct, 0) << "error storing zone group info: " << cpp_strerror(-r) << dendl; | |
113 | return r; | |
114 | } | |
115 | ||
116 | if (r == -EEXIST) { | |
117 | ldout(cct, 10) << "create_default() returned -EEXIST, we raced with another zonegroup creation" << dendl; | |
118 | id.clear(); | |
119 | r = init(cct, sysobj_svc); | |
120 | if (r < 0) { | |
121 | return r; | |
122 | } | |
123 | } | |
124 | ||
125 | if (old_format) { | |
126 | name = id; | |
127 | } | |
128 | ||
129 | post_process_params(); | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | const string RGWZoneGroup::get_default_oid(bool old_region_format) const | |
135 | { | |
136 | if (old_region_format) { | |
137 | if (cct->_conf->rgw_default_region_info_oid.empty()) { | |
138 | return default_region_info_oid; | |
139 | } | |
140 | return cct->_conf->rgw_default_region_info_oid; | |
141 | } | |
142 | ||
143 | string default_oid = cct->_conf->rgw_default_zonegroup_info_oid; | |
144 | ||
145 | if (cct->_conf->rgw_default_zonegroup_info_oid.empty()) { | |
146 | default_oid = default_zone_group_info_oid; | |
147 | } | |
148 | ||
149 | default_oid += "." + realm_id; | |
150 | ||
151 | return default_oid; | |
152 | } | |
153 | ||
154 | const string& RGWZoneGroup::get_info_oid_prefix(bool old_region_format) const | |
155 | { | |
156 | if (old_region_format) { | |
157 | return region_info_oid_prefix; | |
158 | } | |
159 | return zone_group_info_oid_prefix; | |
160 | } | |
161 | ||
162 | const string& RGWZoneGroup::get_names_oid_prefix() const | |
163 | { | |
164 | return zonegroup_names_oid_prefix; | |
165 | } | |
166 | ||
167 | const string& RGWZoneGroup::get_predefined_name(CephContext *cct) const { | |
168 | return cct->_conf->rgw_zonegroup; | |
169 | } | |
170 | ||
171 | int RGWZoneGroup::equals(const string& other_zonegroup) const | |
172 | { | |
173 | if (is_master && other_zonegroup.empty()) | |
174 | return true; | |
175 | ||
176 | return (id == other_zonegroup); | |
177 | } | |
178 | ||
179 | int RGWZoneGroup::add_zone(const RGWZoneParams& zone_params, bool *is_master, bool *read_only, | |
180 | const list<string>& endpoints, const string *ptier_type, | |
181 | bool *psync_from_all, list<string>& sync_from, list<string>& sync_from_rm, | |
182 | string *predirect_zone, RGWSyncModulesManager *sync_mgr) | |
183 | { | |
184 | auto& zone_id = zone_params.get_id(); | |
185 | auto& zone_name = zone_params.get_name(); | |
186 | ||
187 | // check for duplicate zone name on insert | |
188 | if (!zones.count(zone_id)) { | |
189 | for (const auto& zone : zones) { | |
190 | if (zone.second.name == zone_name) { | |
191 | ldout(cct, 0) << "ERROR: found existing zone name " << zone_name | |
192 | << " (" << zone.first << ") in zonegroup " << get_name() << dendl; | |
193 | return -EEXIST; | |
194 | } | |
195 | } | |
196 | } | |
197 | ||
198 | if (is_master) { | |
199 | if (*is_master) { | |
200 | if (!master_zone.empty() && master_zone != zone_id) { | |
201 | ldout(cct, 0) << "NOTICE: overriding master zone: " << master_zone << dendl; | |
202 | } | |
203 | master_zone = zone_id; | |
204 | } else if (master_zone == zone_id) { | |
205 | master_zone.clear(); | |
206 | } | |
207 | } | |
208 | ||
209 | RGWZone& zone = zones[zone_id]; | |
210 | zone.name = zone_name; | |
211 | zone.id = zone_id; | |
212 | if (!endpoints.empty()) { | |
213 | zone.endpoints = endpoints; | |
214 | } | |
215 | if (read_only) { | |
216 | zone.read_only = *read_only; | |
217 | } | |
218 | if (ptier_type) { | |
219 | zone.tier_type = *ptier_type; | |
220 | if (!sync_mgr->get_module(*ptier_type, nullptr)) { | |
221 | ldout(cct, 0) << "ERROR: could not found sync module: " << *ptier_type | |
222 | << ", valid sync modules: " | |
223 | << sync_mgr->get_registered_module_names() | |
224 | << dendl; | |
225 | return -ENOENT; | |
226 | } | |
227 | } | |
228 | ||
229 | if (psync_from_all) { | |
230 | zone.sync_from_all = *psync_from_all; | |
231 | } | |
232 | ||
233 | if (predirect_zone) { | |
234 | zone.redirect_zone = *predirect_zone; | |
235 | } | |
236 | ||
237 | for (auto add : sync_from) { | |
238 | zone.sync_from.insert(add); | |
239 | } | |
240 | ||
241 | for (auto rm : sync_from_rm) { | |
242 | zone.sync_from.erase(rm); | |
243 | } | |
244 | ||
245 | post_process_params(); | |
246 | ||
247 | return update(); | |
248 | } | |
249 | ||
250 | ||
251 | int RGWZoneGroup::rename_zone(const RGWZoneParams& zone_params) | |
252 | { | |
253 | RGWZone& zone = zones[zone_params.get_id()]; | |
254 | zone.name = zone_params.get_name(); | |
255 | ||
256 | return update(); | |
257 | } | |
258 | ||
259 | void RGWZoneGroup::post_process_params() | |
260 | { | |
261 | bool log_data = zones.size() > 1; | |
262 | ||
263 | if (master_zone.empty()) { | |
264 | map<string, RGWZone>::iterator iter = zones.begin(); | |
265 | if (iter != zones.end()) { | |
266 | master_zone = iter->first; | |
267 | } | |
268 | } | |
269 | ||
270 | for (map<string, RGWZone>::iterator iter = zones.begin(); iter != zones.end(); ++iter) { | |
271 | RGWZone& zone = iter->second; | |
272 | zone.log_data = log_data; | |
273 | ||
274 | RGWZoneParams zone_params(zone.id, zone.name); | |
275 | int ret = zone_params.init(cct, sysobj_svc); | |
276 | if (ret < 0) { | |
277 | ldout(cct, 0) << "WARNING: could not read zone params for zone id=" << zone.id << " name=" << zone.name << dendl; | |
278 | continue; | |
279 | } | |
280 | ||
281 | for (map<string, RGWZonePlacementInfo>::iterator iter = zone_params.placement_pools.begin(); | |
282 | iter != zone_params.placement_pools.end(); ++iter) { | |
283 | const string& placement_name = iter->first; | |
284 | if (placement_targets.find(placement_name) == placement_targets.end()) { | |
285 | RGWZoneGroupPlacementTarget placement_target; | |
286 | placement_target.name = placement_name; | |
287 | placement_targets[placement_name] = placement_target; | |
288 | } | |
289 | } | |
290 | } | |
291 | ||
292 | if (default_placement.empty() && !placement_targets.empty()) { | |
293 | default_placement.init(placement_targets.begin()->first, RGW_STORAGE_CLASS_STANDARD); | |
294 | } | |
295 | } | |
296 | ||
297 | int RGWZoneGroup::remove_zone(const std::string& zone_id) | |
298 | { | |
299 | map<string, RGWZone>::iterator iter = zones.find(zone_id); | |
300 | if (iter == zones.end()) { | |
301 | ldout(cct, 0) << "zone id " << zone_id << " is not a part of zonegroup " | |
302 | << name << dendl; | |
303 | return -ENOENT; | |
304 | } | |
305 | ||
306 | zones.erase(iter); | |
307 | ||
308 | post_process_params(); | |
309 | ||
310 | return update(); | |
311 | } | |
312 | ||
313 | int RGWZoneGroup::read_default_id(string& default_id, bool old_format) | |
314 | { | |
315 | if (realm_id.empty()) { | |
316 | /* try using default realm */ | |
317 | RGWRealm realm; | |
318 | int ret = realm.init(cct, sysobj_svc); | |
319 | // no default realm exist | |
320 | if (ret < 0) { | |
321 | return read_id(default_zonegroup_name, default_id); | |
322 | } | |
323 | realm_id = realm.get_id(); | |
324 | } | |
325 | ||
326 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
327 | } | |
328 | ||
329 | int RGWZoneGroup::set_as_default(bool exclusive) | |
330 | { | |
331 | if (realm_id.empty()) { | |
332 | /* try using default realm */ | |
333 | RGWRealm realm; | |
334 | int ret = realm.init(cct, sysobj_svc); | |
335 | if (ret < 0) { | |
336 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
337 | return -EINVAL; | |
338 | } | |
339 | realm_id = realm.get_id(); | |
340 | } | |
341 | ||
342 | return RGWSystemMetaObj::set_as_default(exclusive); | |
343 | } | |
344 | ||
345 | void RGWSystemMetaObj::reinit_instance(CephContext *_cct, RGWSI_SysObj *_sysobj_svc) | |
346 | { | |
347 | cct = _cct; | |
348 | sysobj_svc = _sysobj_svc; | |
349 | zone_svc = _sysobj_svc->get_zone_svc(); | |
350 | } | |
351 | ||
352 | int RGWSystemMetaObj::init(CephContext *_cct, RGWSI_SysObj *_sysobj_svc, bool setup_obj, bool old_format) | |
353 | { | |
354 | reinit_instance(_cct, _sysobj_svc); | |
355 | ||
356 | if (!setup_obj) | |
357 | return 0; | |
358 | ||
359 | if (old_format && id.empty()) { | |
360 | id = name; | |
361 | } | |
362 | ||
363 | if (id.empty()) { | |
364 | int r; | |
365 | if (name.empty()) { | |
366 | name = get_predefined_name(cct); | |
367 | } | |
368 | if (name.empty()) { | |
369 | r = use_default(old_format); | |
370 | if (r < 0) { | |
371 | return r; | |
372 | } | |
373 | } else if (!old_format) { | |
374 | r = read_id(name, id); | |
375 | if (r < 0) { | |
376 | if (r != -ENOENT) { | |
377 | ldout(cct, 0) << "error in read_id for object name: " << name << " : " << cpp_strerror(-r) << dendl; | |
378 | } | |
379 | return r; | |
380 | } | |
381 | } | |
382 | } | |
383 | ||
384 | return read_info(id, old_format); | |
385 | } | |
386 | ||
387 | int RGWSystemMetaObj::read_default(RGWDefaultSystemMetaObjInfo& default_info, const string& oid) | |
388 | { | |
389 | using ceph::decode; | |
390 | auto pool = get_pool(cct); | |
391 | bufferlist bl; | |
392 | ||
393 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
394 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
395 | int ret = sysobj.rop().read(&bl); | |
396 | if (ret < 0) | |
397 | return ret; | |
398 | ||
399 | try { | |
400 | auto iter = bl.cbegin(); | |
401 | decode(default_info, iter); | |
402 | } catch (buffer::error& err) { | |
403 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
404 | return -EIO; | |
405 | } | |
406 | ||
407 | return 0; | |
408 | } | |
409 | ||
410 | int RGWSystemMetaObj::read_default_id(string& default_id, bool old_format) | |
411 | { | |
412 | RGWDefaultSystemMetaObjInfo default_info; | |
413 | ||
414 | int ret = read_default(default_info, get_default_oid(old_format)); | |
415 | if (ret < 0) { | |
416 | return ret; | |
417 | } | |
418 | ||
419 | default_id = default_info.default_id; | |
420 | ||
421 | return 0; | |
422 | } | |
423 | ||
424 | int RGWSystemMetaObj::use_default(bool old_format) | |
425 | { | |
426 | return read_default_id(id, old_format); | |
427 | } | |
428 | ||
429 | int RGWSystemMetaObj::set_as_default(bool exclusive) | |
430 | { | |
431 | using ceph::encode; | |
432 | string oid = get_default_oid(); | |
433 | ||
434 | rgw_pool pool(get_pool(cct)); | |
435 | bufferlist bl; | |
436 | ||
437 | RGWDefaultSystemMetaObjInfo default_info; | |
438 | default_info.default_id = id; | |
439 | ||
440 | encode(default_info, bl); | |
441 | ||
442 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
443 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
444 | int ret = sysobj.wop() | |
445 | .set_exclusive(exclusive) | |
446 | .write(bl); | |
447 | if (ret < 0) | |
448 | return ret; | |
449 | ||
450 | return 0; | |
451 | } | |
452 | ||
453 | int RGWSystemMetaObj::read_id(const string& obj_name, string& object_id) | |
454 | { | |
455 | using ceph::decode; | |
456 | rgw_pool pool(get_pool(cct)); | |
457 | bufferlist bl; | |
458 | ||
459 | string oid = get_names_oid_prefix() + obj_name; | |
460 | ||
461 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
462 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
463 | int ret = sysobj.rop().read(&bl); | |
464 | if (ret < 0) { | |
465 | return ret; | |
466 | } | |
467 | ||
468 | RGWNameToId nameToId; | |
469 | try { | |
470 | auto iter = bl.cbegin(); | |
471 | decode(nameToId, iter); | |
472 | } catch (buffer::error& err) { | |
473 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
474 | return -EIO; | |
475 | } | |
476 | object_id = nameToId.obj_id; | |
477 | return 0; | |
478 | } | |
479 | ||
480 | int RGWSystemMetaObj::delete_obj(bool old_format) | |
481 | { | |
482 | rgw_pool pool(get_pool(cct)); | |
483 | ||
484 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
485 | ||
486 | /* check to see if obj is the default */ | |
487 | RGWDefaultSystemMetaObjInfo default_info; | |
488 | int ret = read_default(default_info, get_default_oid(old_format)); | |
489 | if (ret < 0 && ret != -ENOENT) | |
490 | return ret; | |
491 | if (default_info.default_id == id || (old_format && default_info.default_id == name)) { | |
492 | string oid = get_default_oid(old_format); | |
493 | rgw_raw_obj default_named_obj(pool, oid); | |
494 | auto sysobj = sysobj_svc->get_obj(obj_ctx, default_named_obj); | |
495 | ret = sysobj.wop().remove(); | |
496 | if (ret < 0) { | |
497 | ldout(cct, 0) << "Error delete default obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
498 | return ret; | |
499 | } | |
500 | } | |
501 | if (!old_format) { | |
502 | string oid = get_names_oid_prefix() + name; | |
503 | rgw_raw_obj object_name(pool, oid); | |
504 | auto sysobj = sysobj_svc->get_obj(obj_ctx, object_name); | |
505 | ret = sysobj.wop().remove(); | |
506 | if (ret < 0) { | |
507 | ldout(cct, 0) << "Error delete obj name " << name << ": " << cpp_strerror(-ret) << dendl; | |
508 | return ret; | |
509 | } | |
510 | } | |
511 | ||
512 | string oid = get_info_oid_prefix(old_format); | |
513 | if (old_format) { | |
514 | oid += name; | |
515 | } else { | |
516 | oid += id; | |
517 | } | |
518 | ||
519 | rgw_raw_obj object_id(pool, oid); | |
520 | auto sysobj = sysobj_svc->get_obj(obj_ctx, object_id); | |
521 | ret = sysobj.wop().remove(); | |
522 | if (ret < 0) { | |
523 | ldout(cct, 0) << "Error delete object id " << id << ": " << cpp_strerror(-ret) << dendl; | |
524 | } | |
525 | ||
526 | return ret; | |
527 | } | |
528 | ||
529 | int RGWSystemMetaObj::store_name(bool exclusive) | |
530 | { | |
531 | rgw_pool pool(get_pool(cct)); | |
532 | string oid = get_names_oid_prefix() + name; | |
533 | ||
534 | RGWNameToId nameToId; | |
535 | nameToId.obj_id = id; | |
536 | ||
537 | bufferlist bl; | |
538 | using ceph::encode; | |
539 | encode(nameToId, bl); | |
540 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
541 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
542 | return sysobj.wop() | |
543 | .set_exclusive(exclusive) | |
544 | .write(bl); | |
545 | } | |
546 | ||
547 | int RGWSystemMetaObj::rename(const string& new_name) | |
548 | { | |
549 | string new_id; | |
550 | int ret = read_id(new_name, new_id); | |
551 | if (!ret) { | |
552 | return -EEXIST; | |
553 | } | |
554 | if (ret < 0 && ret != -ENOENT) { | |
555 | ldout(cct, 0) << "Error read_id " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
556 | return ret; | |
557 | } | |
558 | string old_name = name; | |
559 | name = new_name; | |
560 | ret = update(); | |
561 | if (ret < 0) { | |
562 | ldout(cct, 0) << "Error storing new obj info " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
563 | return ret; | |
564 | } | |
565 | ret = store_name(true); | |
566 | if (ret < 0) { | |
567 | ldout(cct, 0) << "Error storing new name " << new_name << ": " << cpp_strerror(-ret) << dendl; | |
568 | return ret; | |
569 | } | |
570 | /* delete old name */ | |
571 | rgw_pool pool(get_pool(cct)); | |
572 | string oid = get_names_oid_prefix() + old_name; | |
573 | rgw_raw_obj old_name_obj(pool, oid); | |
574 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
575 | auto sysobj = sysobj_svc->get_obj(obj_ctx, old_name_obj); | |
576 | ret = sysobj.wop().remove(); | |
577 | if (ret < 0) { | |
578 | ldout(cct, 0) << "Error delete old obj name " << old_name << ": " << cpp_strerror(-ret) << dendl; | |
579 | return ret; | |
580 | } | |
581 | ||
582 | return ret; | |
583 | } | |
584 | ||
585 | int RGWSystemMetaObj::read_info(const string& obj_id, bool old_format) | |
586 | { | |
587 | rgw_pool pool(get_pool(cct)); | |
588 | ||
589 | bufferlist bl; | |
590 | ||
591 | string oid = get_info_oid_prefix(old_format) + obj_id; | |
592 | ||
593 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
594 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
595 | int ret = sysobj.rop().read(&bl); | |
596 | if (ret < 0) { | |
597 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << oid << ": " << cpp_strerror(-ret) << dendl; | |
598 | return ret; | |
599 | } | |
600 | using ceph::decode; | |
601 | ||
602 | try { | |
603 | auto iter = bl.cbegin(); | |
604 | decode(*this, iter); | |
605 | } catch (buffer::error& err) { | |
606 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << oid << dendl; | |
607 | return -EIO; | |
608 | } | |
609 | ||
610 | return 0; | |
611 | } | |
612 | ||
613 | int RGWSystemMetaObj::read() | |
614 | { | |
615 | int ret = read_id(name, id); | |
616 | if (ret < 0) { | |
617 | return ret; | |
618 | } | |
619 | ||
620 | return read_info(id); | |
621 | } | |
622 | ||
623 | int RGWSystemMetaObj::create(bool exclusive) | |
624 | { | |
625 | int ret; | |
626 | ||
627 | /* check to see the name is not used */ | |
628 | ret = read_id(name, id); | |
629 | if (exclusive && ret == 0) { | |
630 | ldout(cct, 10) << "ERROR: name " << name << " already in use for obj id " << id << dendl; | |
631 | return -EEXIST; | |
632 | } else if ( ret < 0 && ret != -ENOENT) { | |
633 | ldout(cct, 0) << "failed reading obj id " << id << ": " << cpp_strerror(-ret) << dendl; | |
634 | return ret; | |
635 | } | |
636 | ||
637 | if (id.empty()) { | |
638 | /* create unique id */ | |
639 | uuid_d new_uuid; | |
640 | char uuid_str[37]; | |
641 | new_uuid.generate_random(); | |
642 | new_uuid.print(uuid_str); | |
643 | id = uuid_str; | |
644 | } | |
645 | ||
646 | ret = store_info(exclusive); | |
647 | if (ret < 0) { | |
648 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
649 | return ret; | |
650 | } | |
651 | ||
652 | return store_name(exclusive); | |
653 | } | |
654 | ||
655 | int RGWSystemMetaObj::store_info(bool exclusive) | |
656 | { | |
657 | rgw_pool pool(get_pool(cct)); | |
658 | ||
659 | string oid = get_info_oid_prefix() + id; | |
660 | ||
661 | bufferlist bl; | |
662 | using ceph::encode; | |
663 | encode(*this, bl); | |
664 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
665 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
666 | return sysobj.wop() | |
667 | .set_exclusive(exclusive) | |
668 | .write(bl); | |
669 | } | |
670 | ||
671 | int RGWSystemMetaObj::write(bool exclusive) | |
672 | { | |
673 | int ret = store_info(exclusive); | |
674 | if (ret < 0) { | |
675 | ldout(cct, 20) << __func__ << "(): store_info() returned ret=" << ret << dendl; | |
676 | return ret; | |
677 | } | |
678 | ret = store_name(exclusive); | |
679 | if (ret < 0) { | |
680 | ldout(cct, 20) << __func__ << "(): store_name() returned ret=" << ret << dendl; | |
681 | return ret; | |
682 | } | |
683 | return 0; | |
684 | } | |
685 | ||
686 | ||
687 | const string& RGWRealm::get_predefined_name(CephContext *cct) const { | |
688 | return cct->_conf->rgw_realm; | |
689 | } | |
690 | ||
691 | int RGWRealm::create(bool exclusive) | |
692 | { | |
693 | int ret = RGWSystemMetaObj::create(exclusive); | |
694 | if (ret < 0) { | |
695 | ldout(cct, 0) << "ERROR creating new realm object " << name << ": " << cpp_strerror(-ret) << dendl; | |
696 | return ret; | |
697 | } | |
698 | // create the control object for watch/notify | |
699 | ret = create_control(exclusive); | |
700 | if (ret < 0) { | |
701 | ldout(cct, 0) << "ERROR creating control for new realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
702 | return ret; | |
703 | } | |
704 | RGWPeriod period; | |
705 | if (current_period.empty()) { | |
706 | /* create new period for the realm */ | |
707 | ret = period.init(cct, sysobj_svc, id, name, false); | |
708 | if (ret < 0 ) { | |
709 | return ret; | |
710 | } | |
711 | ret = period.create(true); | |
712 | if (ret < 0) { | |
713 | ldout(cct, 0) << "ERROR: creating new period for realm " << name << ": " << cpp_strerror(-ret) << dendl; | |
714 | return ret; | |
715 | } | |
716 | } else { | |
717 | period = RGWPeriod(current_period, 0); | |
718 | int ret = period.init(cct, sysobj_svc, id, name); | |
719 | if (ret < 0) { | |
720 | ldout(cct, 0) << "ERROR: failed to init period " << current_period << dendl; | |
721 | return ret; | |
722 | } | |
723 | } | |
724 | ret = set_current_period(period); | |
725 | if (ret < 0) { | |
726 | ldout(cct, 0) << "ERROR: failed set current period " << current_period << dendl; | |
727 | return ret; | |
728 | } | |
729 | // try to set as default. may race with another create, so pass exclusive=true | |
730 | // so we don't override an existing default | |
731 | ret = set_as_default(true); | |
732 | if (ret < 0 && ret != -EEXIST) { | |
733 | ldout(cct, 0) << "WARNING: failed to set realm as default realm, ret=" << ret << dendl; | |
734 | } | |
735 | ||
736 | return 0; | |
737 | } | |
738 | ||
739 | int RGWRealm::delete_obj() | |
740 | { | |
741 | int ret = RGWSystemMetaObj::delete_obj(); | |
742 | if (ret < 0) { | |
743 | return ret; | |
744 | } | |
745 | return delete_control(); | |
746 | } | |
747 | ||
748 | int RGWRealm::create_control(bool exclusive) | |
749 | { | |
750 | auto pool = rgw_pool{get_pool(cct)}; | |
751 | auto oid = get_control_oid(); | |
752 | bufferlist bl; | |
753 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
754 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
755 | return sysobj.wop() | |
756 | .set_exclusive(exclusive) | |
757 | .write(bl); | |
758 | } | |
759 | ||
760 | int RGWRealm::delete_control() | |
761 | { | |
762 | auto pool = rgw_pool{get_pool(cct)}; | |
763 | auto obj = rgw_raw_obj{pool, get_control_oid()}; | |
764 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
765 | auto sysobj = sysobj_svc->get_obj(obj_ctx, obj); | |
766 | return sysobj.wop().remove(); | |
767 | } | |
768 | ||
769 | rgw_pool RGWRealm::get_pool(CephContext *cct) const | |
770 | { | |
771 | if (cct->_conf->rgw_realm_root_pool.empty()) { | |
772 | return rgw_pool(RGW_DEFAULT_REALM_ROOT_POOL); | |
773 | } | |
774 | return rgw_pool(cct->_conf->rgw_realm_root_pool); | |
775 | } | |
776 | ||
777 | const string RGWRealm::get_default_oid(bool old_format) const | |
778 | { | |
779 | if (cct->_conf->rgw_default_realm_info_oid.empty()) { | |
780 | return default_realm_info_oid; | |
781 | } | |
782 | return cct->_conf->rgw_default_realm_info_oid; | |
783 | } | |
784 | ||
785 | const string& RGWRealm::get_names_oid_prefix() const | |
786 | { | |
787 | return realm_names_oid_prefix; | |
788 | } | |
789 | ||
790 | const string& RGWRealm::get_info_oid_prefix(bool old_format) const | |
791 | { | |
792 | return realm_info_oid_prefix; | |
793 | } | |
794 | ||
795 | int RGWRealm::set_current_period(RGWPeriod& period) | |
796 | { | |
797 | // update realm epoch to match the period's | |
798 | if (epoch > period.get_realm_epoch()) { | |
799 | ldout(cct, 0) << "ERROR: set_current_period with old realm epoch " | |
800 | << period.get_realm_epoch() << ", current epoch=" << epoch << dendl; | |
801 | return -EINVAL; | |
802 | } | |
803 | if (epoch == period.get_realm_epoch() && current_period != period.get_id()) { | |
804 | ldout(cct, 0) << "ERROR: set_current_period with same realm epoch " | |
805 | << period.get_realm_epoch() << ", but different period id " | |
806 | << period.get_id() << " != " << current_period << dendl; | |
807 | return -EINVAL; | |
808 | } | |
809 | ||
810 | epoch = period.get_realm_epoch(); | |
811 | current_period = period.get_id(); | |
812 | ||
813 | int ret = update(); | |
814 | if (ret < 0) { | |
815 | ldout(cct, 0) << "ERROR: period update: " << cpp_strerror(-ret) << dendl; | |
816 | return ret; | |
817 | } | |
818 | ||
819 | ret = period.reflect(); | |
820 | if (ret < 0) { | |
821 | ldout(cct, 0) << "ERROR: period.reflect(): " << cpp_strerror(-ret) << dendl; | |
822 | return ret; | |
823 | } | |
824 | ||
825 | return 0; | |
826 | } | |
827 | ||
828 | string RGWRealm::get_control_oid() const | |
829 | { | |
830 | return get_info_oid_prefix() + id + ".control"; | |
831 | } | |
832 | ||
833 | int RGWRealm::notify_zone(bufferlist& bl) | |
834 | { | |
835 | rgw_pool pool{get_pool(cct)}; | |
836 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
837 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, get_control_oid()}); | |
838 | int ret = sysobj.wn().notify(bl, 0, nullptr); | |
839 | if (ret < 0) { | |
840 | return ret; | |
841 | } | |
842 | return 0; | |
843 | } | |
844 | ||
845 | int RGWRealm::notify_new_period(const RGWPeriod& period) | |
846 | { | |
847 | bufferlist bl; | |
848 | using ceph::encode; | |
849 | // push the period to dependent zonegroups/zones | |
850 | encode(RGWRealmNotify::ZonesNeedPeriod, bl); | |
851 | encode(period, bl); | |
852 | // reload the gateway with the new period | |
853 | encode(RGWRealmNotify::Reload, bl); | |
854 | ||
855 | return notify_zone(bl); | |
856 | } | |
857 | ||
858 | std::string RGWPeriodConfig::get_oid(const std::string& realm_id) | |
859 | { | |
860 | if (realm_id.empty()) { | |
861 | return "period_config.default"; | |
862 | } | |
863 | return "period_config." + realm_id; | |
864 | } | |
865 | ||
866 | rgw_pool RGWPeriodConfig::get_pool(CephContext *cct) | |
867 | { | |
868 | const auto& pool_name = cct->_conf->rgw_period_root_pool; | |
869 | if (pool_name.empty()) { | |
870 | return {RGW_DEFAULT_PERIOD_ROOT_POOL}; | |
871 | } | |
872 | return {pool_name}; | |
873 | } | |
874 | ||
875 | int RGWPeriodConfig::read(RGWSI_SysObj *sysobj_svc, const std::string& realm_id) | |
876 | { | |
877 | const auto& pool = get_pool(sysobj_svc->ctx()); | |
878 | const auto& oid = get_oid(realm_id); | |
879 | bufferlist bl; | |
880 | ||
881 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
882 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
883 | int ret = sysobj.rop().read(&bl); | |
884 | if (ret < 0) { | |
885 | return ret; | |
886 | } | |
887 | using ceph::decode; | |
888 | try { | |
889 | auto iter = bl.cbegin(); | |
890 | decode(*this, iter); | |
891 | } catch (buffer::error& err) { | |
892 | return -EIO; | |
893 | } | |
894 | return 0; | |
895 | } | |
896 | ||
897 | int RGWPeriodConfig::write(RGWSI_SysObj *sysobj_svc, const std::string& realm_id) | |
898 | { | |
899 | const auto& pool = get_pool(sysobj_svc->ctx()); | |
900 | const auto& oid = get_oid(realm_id); | |
901 | bufferlist bl; | |
902 | using ceph::encode; | |
903 | encode(*this, bl); | |
904 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
905 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
906 | return sysobj.wop() | |
907 | .set_exclusive(false) | |
908 | .write(bl); | |
909 | } | |
910 | ||
911 | int RGWPeriod::init(CephContext *_cct, RGWSI_SysObj *_sysobj_svc, const string& period_realm_id, | |
912 | const string& period_realm_name, bool setup_obj) | |
913 | { | |
914 | cct = _cct; | |
915 | sysobj_svc = _sysobj_svc; | |
916 | ||
917 | realm_id = period_realm_id; | |
918 | realm_name = period_realm_name; | |
919 | ||
920 | if (!setup_obj) | |
921 | return 0; | |
922 | ||
923 | return init(_cct, _sysobj_svc, setup_obj); | |
924 | } | |
925 | ||
926 | ||
927 | int RGWPeriod::init(CephContext *_cct, RGWSI_SysObj *_sysobj_svc, bool setup_obj) | |
928 | { | |
929 | cct = _cct; | |
930 | sysobj_svc = _sysobj_svc; | |
931 | ||
932 | if (!setup_obj) | |
933 | return 0; | |
934 | ||
935 | if (id.empty()) { | |
936 | RGWRealm realm(realm_id, realm_name); | |
937 | int ret = realm.init(cct, sysobj_svc); | |
938 | if (ret < 0) { | |
939 | ldout(cct, 0) << "RGWPeriod::init failed to init realm " << realm_name << " id " << realm_id << " : " << | |
940 | cpp_strerror(-ret) << dendl; | |
941 | return ret; | |
942 | } | |
943 | id = realm.get_current_period(); | |
944 | realm_id = realm.get_id(); | |
945 | } | |
946 | ||
947 | if (!epoch) { | |
948 | int ret = use_latest_epoch(); | |
949 | if (ret < 0) { | |
950 | ldout(cct, 0) << "failed to use_latest_epoch period id " << id << " realm " << realm_name << " id " << realm_id | |
951 | << " : " << cpp_strerror(-ret) << dendl; | |
952 | return ret; | |
953 | } | |
954 | } | |
955 | ||
956 | return read_info(); | |
957 | } | |
958 | ||
959 | ||
960 | int RGWPeriod::get_zonegroup(RGWZoneGroup& zonegroup, | |
961 | const string& zonegroup_id) const | |
962 | { | |
963 | map<string, RGWZoneGroup>::const_iterator iter; | |
964 | if (!zonegroup_id.empty()) { | |
965 | iter = period_map.zonegroups.find(zonegroup_id); | |
966 | } else { | |
967 | iter = period_map.zonegroups.find("default"); | |
968 | } | |
969 | if (iter != period_map.zonegroups.end()) { | |
970 | zonegroup = iter->second; | |
971 | return 0; | |
972 | } | |
973 | ||
974 | return -ENOENT; | |
975 | } | |
976 | ||
977 | const string& RGWPeriod::get_latest_epoch_oid() const | |
978 | { | |
979 | if (cct->_conf->rgw_period_latest_epoch_info_oid.empty()) { | |
980 | return period_latest_epoch_info_oid; | |
981 | } | |
982 | return cct->_conf->rgw_period_latest_epoch_info_oid; | |
983 | } | |
984 | ||
985 | const string& RGWPeriod::get_info_oid_prefix() const | |
986 | { | |
987 | return period_info_oid_prefix; | |
988 | } | |
989 | ||
990 | const string RGWPeriod::get_period_oid_prefix() const | |
991 | { | |
992 | return get_info_oid_prefix() + id; | |
993 | } | |
994 | ||
995 | const string RGWPeriod::get_period_oid() const | |
996 | { | |
997 | std::ostringstream oss; | |
998 | oss << get_period_oid_prefix(); | |
999 | // skip the epoch for the staging period | |
1000 | if (id != get_staging_id(realm_id)) | |
1001 | oss << "." << epoch; | |
1002 | return oss.str(); | |
1003 | } | |
1004 | ||
1005 | int RGWPeriod::read_latest_epoch(RGWPeriodLatestEpochInfo& info, | |
1006 | RGWObjVersionTracker *objv) | |
1007 | { | |
1008 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1009 | ||
1010 | rgw_pool pool(get_pool(cct)); | |
1011 | bufferlist bl; | |
1012 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1013 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, oid}); | |
1014 | int ret = sysobj.rop().read(&bl); | |
1015 | if (ret < 0) { | |
1016 | ldout(cct, 1) << "error read_lastest_epoch " << pool << ":" << oid << dendl; | |
1017 | return ret; | |
1018 | } | |
1019 | try { | |
1020 | auto iter = bl.cbegin(); | |
1021 | using ceph::decode; | |
1022 | decode(info, iter); | |
1023 | } catch (buffer::error& err) { | |
1024 | ldout(cct, 0) << "error decoding data from " << pool << ":" << oid << dendl; | |
1025 | return -EIO; | |
1026 | } | |
1027 | ||
1028 | return 0; | |
1029 | } | |
1030 | ||
1031 | int RGWPeriod::get_latest_epoch(epoch_t& latest_epoch) | |
1032 | { | |
1033 | RGWPeriodLatestEpochInfo info; | |
1034 | ||
1035 | int ret = read_latest_epoch(info); | |
1036 | if (ret < 0) { | |
1037 | return ret; | |
1038 | } | |
1039 | ||
1040 | latest_epoch = info.epoch; | |
1041 | ||
1042 | return 0; | |
1043 | } | |
1044 | ||
1045 | int RGWPeriod::use_latest_epoch() | |
1046 | { | |
1047 | RGWPeriodLatestEpochInfo info; | |
1048 | int ret = read_latest_epoch(info); | |
1049 | if (ret < 0) { | |
1050 | return ret; | |
1051 | } | |
1052 | ||
1053 | epoch = info.epoch; | |
1054 | ||
1055 | return 0; | |
1056 | } | |
1057 | ||
1058 | int RGWPeriod::set_latest_epoch(epoch_t epoch, bool exclusive, | |
1059 | RGWObjVersionTracker *objv) | |
1060 | { | |
1061 | string oid = get_period_oid_prefix() + get_latest_epoch_oid(); | |
1062 | ||
1063 | rgw_pool pool(get_pool(cct)); | |
1064 | bufferlist bl; | |
1065 | ||
1066 | RGWPeriodLatestEpochInfo info; | |
1067 | info.epoch = epoch; | |
1068 | ||
1069 | using ceph::encode; | |
1070 | encode(info, bl); | |
1071 | ||
1072 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1073 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
1074 | return sysobj.wop() | |
1075 | .set_exclusive(exclusive) | |
1076 | .write(bl); | |
1077 | } | |
1078 | ||
1079 | int RGWPeriod::update_latest_epoch(epoch_t epoch) | |
1080 | { | |
1081 | static constexpr int MAX_RETRIES = 20; | |
1082 | ||
1083 | for (int i = 0; i < MAX_RETRIES; i++) { | |
1084 | RGWPeriodLatestEpochInfo info; | |
1085 | RGWObjVersionTracker objv; | |
1086 | bool exclusive = false; | |
1087 | ||
1088 | // read existing epoch | |
1089 | int r = read_latest_epoch(info, &objv); | |
1090 | if (r == -ENOENT) { | |
1091 | // use an exclusive create to set the epoch atomically | |
1092 | exclusive = true; | |
1093 | ldout(cct, 20) << "creating initial latest_epoch=" << epoch | |
1094 | << " for period=" << id << dendl; | |
1095 | } else if (r < 0) { | |
1096 | ldout(cct, 0) << "ERROR: failed to read latest_epoch" << dendl; | |
1097 | return r; | |
1098 | } else if (epoch <= info.epoch) { | |
1099 | r = -EEXIST; // fail with EEXIST if epoch is not newer | |
1100 | ldout(cct, 1) << "found existing latest_epoch " << info.epoch | |
1101 | << " >= given epoch " << epoch << ", returning r=" << r << dendl; | |
1102 | return r; | |
1103 | } else { | |
1104 | ldout(cct, 20) << "updating latest_epoch from " << info.epoch | |
1105 | << " -> " << epoch << " on period=" << id << dendl; | |
1106 | } | |
1107 | ||
1108 | r = set_latest_epoch(epoch, exclusive, &objv); | |
1109 | if (r == -EEXIST) { | |
1110 | continue; // exclusive create raced with another update, retry | |
1111 | } else if (r == -ECANCELED) { | |
1112 | continue; // write raced with a conflicting version, retry | |
1113 | } | |
1114 | if (r < 0) { | |
1115 | ldout(cct, 0) << "ERROR: failed to write latest_epoch" << dendl; | |
1116 | return r; | |
1117 | } | |
1118 | return 0; // return success | |
1119 | } | |
1120 | ||
1121 | return -ECANCELED; // fail after max retries | |
1122 | } | |
1123 | ||
1124 | int RGWPeriod::delete_obj() | |
1125 | { | |
1126 | rgw_pool pool(get_pool(cct)); | |
1127 | ||
1128 | // delete the object for each period epoch | |
1129 | for (epoch_t e = 1; e <= epoch; e++) { | |
1130 | RGWPeriod p{get_id(), e}; | |
1131 | rgw_raw_obj oid{pool, p.get_period_oid()}; | |
1132 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1133 | auto sysobj = sysobj_svc->get_obj(obj_ctx, oid); | |
1134 | int ret = sysobj.wop().remove(); | |
1135 | if (ret < 0) { | |
1136 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1137 | << ": " << cpp_strerror(-ret) << dendl; | |
1138 | } | |
1139 | } | |
1140 | ||
1141 | // delete the .latest_epoch object | |
1142 | rgw_raw_obj oid{pool, get_period_oid_prefix() + get_latest_epoch_oid()}; | |
1143 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1144 | auto sysobj = sysobj_svc->get_obj(obj_ctx, oid); | |
1145 | int ret = sysobj.wop().remove(); | |
1146 | if (ret < 0) { | |
1147 | ldout(cct, 0) << "WARNING: failed to delete period object " << oid | |
1148 | << ": " << cpp_strerror(-ret) << dendl; | |
1149 | } | |
1150 | return ret; | |
1151 | } | |
1152 | ||
1153 | int RGWPeriod::read_info() | |
1154 | { | |
1155 | rgw_pool pool(get_pool(cct)); | |
1156 | ||
1157 | bufferlist bl; | |
1158 | ||
1159 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1160 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj{pool, get_period_oid()}); | |
1161 | int ret = sysobj.rop().read(&bl); | |
1162 | if (ret < 0) { | |
1163 | ldout(cct, 0) << "failed reading obj info from " << pool << ":" << get_period_oid() << ": " << cpp_strerror(-ret) << dendl; | |
1164 | return ret; | |
1165 | } | |
1166 | ||
1167 | try { | |
1168 | using ceph::decode; | |
1169 | auto iter = bl.cbegin(); | |
1170 | decode(*this, iter); | |
1171 | } catch (buffer::error& err) { | |
1172 | ldout(cct, 0) << "ERROR: failed to decode obj from " << pool << ":" << get_period_oid() << dendl; | |
1173 | return -EIO; | |
1174 | } | |
1175 | ||
1176 | return 0; | |
1177 | } | |
1178 | ||
1179 | int RGWPeriod::create(bool exclusive) | |
1180 | { | |
1181 | int ret; | |
1182 | ||
1183 | /* create unique id */ | |
1184 | uuid_d new_uuid; | |
1185 | char uuid_str[37]; | |
1186 | new_uuid.generate_random(); | |
1187 | new_uuid.print(uuid_str); | |
1188 | id = uuid_str; | |
1189 | ||
1190 | epoch = FIRST_EPOCH; | |
1191 | ||
1192 | period_map.id = id; | |
1193 | ||
1194 | ret = store_info(exclusive); | |
1195 | if (ret < 0) { | |
1196 | ldout(cct, 0) << "ERROR: storing info for " << id << ": " << cpp_strerror(-ret) << dendl; | |
1197 | return ret; | |
1198 | } | |
1199 | ||
1200 | ret = set_latest_epoch(epoch); | |
1201 | if (ret < 0) { | |
1202 | ldout(cct, 0) << "ERROR: setting latest epoch " << id << ": " << cpp_strerror(-ret) << dendl; | |
1203 | } | |
1204 | ||
1205 | return ret; | |
1206 | } | |
1207 | ||
1208 | int RGWPeriod::store_info(bool exclusive) | |
1209 | { | |
1210 | rgw_pool pool(get_pool(cct)); | |
1211 | ||
1212 | string oid = get_period_oid(); | |
1213 | bufferlist bl; | |
1214 | using ceph::encode; | |
1215 | encode(*this, bl); | |
1216 | ||
1217 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1218 | auto sysobj = sysobj_svc->get_obj(obj_ctx, rgw_raw_obj(pool, oid)); | |
1219 | return sysobj.wop() | |
1220 | .set_exclusive(exclusive) | |
1221 | .write(bl); | |
1222 | } | |
1223 | ||
1224 | rgw_pool RGWPeriod::get_pool(CephContext *cct) const | |
1225 | { | |
1226 | if (cct->_conf->rgw_period_root_pool.empty()) { | |
1227 | return rgw_pool(RGW_DEFAULT_PERIOD_ROOT_POOL); | |
1228 | } | |
1229 | return rgw_pool(cct->_conf->rgw_period_root_pool); | |
1230 | } | |
1231 | ||
1232 | int RGWPeriod::add_zonegroup(const RGWZoneGroup& zonegroup) | |
1233 | { | |
1234 | if (zonegroup.realm_id != realm_id) { | |
1235 | return 0; | |
1236 | } | |
1237 | int ret = period_map.update(zonegroup, cct); | |
1238 | if (ret < 0) { | |
1239 | ldout(cct, 0) << "ERROR: updating period map: " << cpp_strerror(-ret) << dendl; | |
1240 | return ret; | |
1241 | } | |
1242 | ||
1243 | return store_info(false); | |
1244 | } | |
1245 | ||
1246 | int RGWPeriod::update() | |
1247 | { | |
1248 | auto zone_svc = sysobj_svc->get_zone_svc(); | |
1249 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << get_id() << dendl; | |
1250 | list<string> zonegroups; | |
1251 | int ret = zone_svc->list_zonegroups(zonegroups); | |
1252 | if (ret < 0) { | |
1253 | ldout(cct, 0) << "ERROR: failed to list zonegroups: " << cpp_strerror(-ret) << dendl; | |
1254 | return ret; | |
1255 | } | |
1256 | ||
1257 | // clear zone short ids of removed zones. period_map.update() will add the | |
1258 | // remaining zones back | |
1259 | period_map.short_zone_ids.clear(); | |
1260 | ||
1261 | for (auto& iter : zonegroups) { | |
1262 | RGWZoneGroup zg(string(), iter); | |
1263 | ret = zg.init(cct, sysobj_svc); | |
1264 | if (ret < 0) { | |
1265 | ldout(cct, 0) << "WARNING: zg.init() failed: " << cpp_strerror(-ret) << dendl; | |
1266 | continue; | |
1267 | } | |
1268 | ||
1269 | if (zg.realm_id != realm_id) { | |
1270 | ldout(cct, 20) << "skipping zonegroup " << zg.get_name() << " zone realm id " << zg.realm_id << ", not on our realm " << realm_id << dendl; | |
1271 | continue; | |
1272 | } | |
1273 | ||
1274 | if (zg.master_zone.empty()) { | |
1275 | ldout(cct, 0) << "ERROR: zonegroup " << zg.get_name() << " should have a master zone " << dendl; | |
1276 | return -EINVAL; | |
1277 | } | |
1278 | ||
1279 | if (zg.zones.find(zg.master_zone) == zg.zones.end()) { | |
1280 | ldout(cct,0) << "ERROR: zonegroup " << zg.get_name() | |
1281 | << " has a non existent master zone "<< dendl; | |
1282 | return -EINVAL; | |
1283 | } | |
1284 | ||
1285 | if (zg.is_master_zonegroup()) { | |
1286 | master_zonegroup = zg.get_id(); | |
1287 | master_zone = zg.master_zone; | |
1288 | } | |
1289 | ||
1290 | int ret = period_map.update(zg, cct); | |
1291 | if (ret < 0) { | |
1292 | return ret; | |
1293 | } | |
1294 | } | |
1295 | ||
1296 | ret = period_config.read(sysobj_svc, realm_id); | |
1297 | if (ret < 0 && ret != -ENOENT) { | |
1298 | ldout(cct, 0) << "ERROR: failed to read period config: " | |
1299 | << cpp_strerror(ret) << dendl; | |
1300 | return ret; | |
1301 | } | |
1302 | return 0; | |
1303 | } | |
1304 | ||
1305 | int RGWPeriod::reflect() | |
1306 | { | |
1307 | for (auto& iter : period_map.zonegroups) { | |
1308 | RGWZoneGroup& zg = iter.second; | |
1309 | zg.reinit_instance(cct, sysobj_svc); | |
1310 | int r = zg.write(false); | |
1311 | if (r < 0) { | |
1312 | ldout(cct, 0) << "ERROR: failed to store zonegroup info for zonegroup=" << iter.first << ": " << cpp_strerror(-r) << dendl; | |
1313 | return r; | |
1314 | } | |
1315 | if (zg.is_master_zonegroup()) { | |
1316 | // set master as default if no default exists | |
1317 | r = zg.set_as_default(true); | |
1318 | if (r == 0) { | |
1319 | ldout(cct, 1) << "Set the period's master zonegroup " << zg.get_id() | |
1320 | << " as the default" << dendl; | |
1321 | } | |
1322 | } | |
1323 | } | |
1324 | ||
1325 | int r = period_config.write(sysobj_svc, realm_id); | |
1326 | if (r < 0) { | |
1327 | ldout(cct, 0) << "ERROR: failed to store period config: " | |
1328 | << cpp_strerror(-r) << dendl; | |
1329 | return r; | |
1330 | } | |
1331 | return 0; | |
1332 | } | |
1333 | ||
1334 | void RGWPeriod::fork() | |
1335 | { | |
1336 | ldout(cct, 20) << __func__ << " realm " << realm_id << " period " << id << dendl; | |
1337 | predecessor_uuid = id; | |
1338 | id = get_staging_id(realm_id); | |
1339 | period_map.reset(); | |
1340 | realm_epoch++; | |
1341 | } | |
1342 | ||
1343 | static int read_sync_status(RGWRados *store, rgw_meta_sync_status *sync_status) | |
1344 | { | |
1345 | // initialize a sync status manager to read the status | |
1346 | RGWMetaSyncStatusManager mgr(store, store->get_async_rados()); | |
1347 | int r = mgr.init(); | |
1348 | if (r < 0) { | |
1349 | return r; | |
1350 | } | |
1351 | r = mgr.read_sync_status(sync_status); | |
1352 | mgr.stop(); | |
1353 | return r; | |
1354 | } | |
1355 | ||
1356 | int RGWPeriod::update_sync_status(RGWRados *store, /* for now */ | |
1357 | const RGWPeriod ¤t_period, | |
1358 | std::ostream& error_stream, | |
1359 | bool force_if_stale) | |
1360 | { | |
1361 | rgw_meta_sync_status status; | |
1362 | int r = read_sync_status(store, &status); | |
1363 | if (r < 0) { | |
1364 | ldout(cct, 0) << "period failed to read sync status: " | |
1365 | << cpp_strerror(-r) << dendl; | |
1366 | return r; | |
1367 | } | |
1368 | ||
1369 | std::vector<std::string> markers; | |
1370 | ||
1371 | const auto current_epoch = current_period.get_realm_epoch(); | |
1372 | if (current_epoch != status.sync_info.realm_epoch) { | |
1373 | // no sync status markers for the current period | |
1374 | ceph_assert(current_epoch > status.sync_info.realm_epoch); | |
1375 | const int behind = current_epoch - status.sync_info.realm_epoch; | |
1376 | if (!force_if_stale && current_epoch > 1) { | |
1377 | error_stream << "ERROR: This zone is " << behind << " period(s) behind " | |
1378 | "the current master zone in metadata sync. If this zone is promoted " | |
1379 | "to master, any metadata changes during that time are likely to " | |
1380 | "be lost.\n" | |
1381 | "Waiting for this zone to catch up on metadata sync (see " | |
1382 | "'radosgw-admin sync status') is recommended.\n" | |
1383 | "To promote this zone to master anyway, add the flag " | |
1384 | "--yes-i-really-mean-it." << std::endl; | |
1385 | return -EINVAL; | |
1386 | } | |
1387 | // empty sync status markers - other zones will skip this period during | |
1388 | // incremental metadata sync | |
1389 | markers.resize(status.sync_info.num_shards); | |
1390 | } else { | |
1391 | markers.reserve(status.sync_info.num_shards); | |
1392 | for (auto& i : status.sync_markers) { | |
1393 | auto& marker = i.second; | |
1394 | // filter out markers from other periods | |
1395 | if (marker.realm_epoch != current_epoch) { | |
1396 | marker.marker.clear(); | |
1397 | } | |
1398 | markers.emplace_back(std::move(marker.marker)); | |
1399 | } | |
1400 | } | |
1401 | ||
1402 | std::swap(sync_status, markers); | |
1403 | return 0; | |
1404 | } | |
1405 | ||
1406 | int RGWPeriod::commit(RGWRados *store, | |
1407 | RGWRealm& realm, const RGWPeriod& current_period, | |
1408 | std::ostream& error_stream, bool force_if_stale) | |
1409 | { | |
1410 | auto zone_svc = sysobj_svc->get_zone_svc(); | |
1411 | ldout(cct, 20) << __func__ << " realm " << realm.get_id() << " period " << current_period.get_id() << dendl; | |
1412 | // gateway must be in the master zone to commit | |
1413 | if (master_zone != zone_svc->get_zone_params().get_id()) { | |
1414 | error_stream << "Cannot commit period on zone " | |
1415 | << zone_svc->get_zone_params().get_id() << ", it must be sent to " | |
1416 | "the period's master zone " << master_zone << '.' << std::endl; | |
1417 | return -EINVAL; | |
1418 | } | |
1419 | // period predecessor must match current period | |
1420 | if (predecessor_uuid != current_period.get_id()) { | |
1421 | error_stream << "Period predecessor " << predecessor_uuid | |
1422 | << " does not match current period " << current_period.get_id() | |
1423 | << ". Use 'period pull' to get the latest period from the master, " | |
1424 | "reapply your changes, and try again." << std::endl; | |
1425 | return -EINVAL; | |
1426 | } | |
1427 | // realm epoch must be 1 greater than current period | |
1428 | if (realm_epoch != current_period.get_realm_epoch() + 1) { | |
1429 | error_stream << "Period's realm epoch " << realm_epoch | |
1430 | << " does not come directly after current realm epoch " | |
1431 | << current_period.get_realm_epoch() << ". Use 'realm pull' to get the " | |
1432 | "latest realm and period from the master zone, reapply your changes, " | |
1433 | "and try again." << std::endl; | |
1434 | return -EINVAL; | |
1435 | } | |
1436 | // did the master zone change? | |
1437 | if (master_zone != current_period.get_master_zone()) { | |
1438 | // store the current metadata sync status in the period | |
1439 | int r = update_sync_status(store, current_period, error_stream, force_if_stale); | |
1440 | if (r < 0) { | |
1441 | ldout(cct, 0) << "failed to update metadata sync status: " | |
1442 | << cpp_strerror(-r) << dendl; | |
1443 | return r; | |
1444 | } | |
1445 | // create an object with a new period id | |
1446 | r = create(true); | |
1447 | if (r < 0) { | |
1448 | ldout(cct, 0) << "failed to create new period: " << cpp_strerror(-r) << dendl; | |
1449 | return r; | |
1450 | } | |
1451 | // set as current period | |
1452 | r = realm.set_current_period(*this); | |
1453 | if (r < 0) { | |
1454 | ldout(cct, 0) << "failed to update realm's current period: " | |
1455 | << cpp_strerror(-r) << dendl; | |
1456 | return r; | |
1457 | } | |
1458 | ldout(cct, 4) << "Promoted to master zone and committed new period " | |
1459 | << id << dendl; | |
1460 | realm.notify_new_period(*this); | |
1461 | return 0; | |
1462 | } | |
1463 | // period must be based on current epoch | |
1464 | if (epoch != current_period.get_epoch()) { | |
1465 | error_stream << "Period epoch " << epoch << " does not match " | |
1466 | "predecessor epoch " << current_period.get_epoch() | |
1467 | << ". Use 'period pull' to get the latest epoch from the master zone, " | |
1468 | "reapply your changes, and try again." << std::endl; | |
1469 | return -EINVAL; | |
1470 | } | |
1471 | // set period as next epoch | |
1472 | set_id(current_period.get_id()); | |
1473 | set_epoch(current_period.get_epoch() + 1); | |
1474 | set_predecessor(current_period.get_predecessor()); | |
1475 | realm_epoch = current_period.get_realm_epoch(); | |
1476 | // write the period to rados | |
1477 | int r = store_info(false); | |
1478 | if (r < 0) { | |
1479 | ldout(cct, 0) << "failed to store period: " << cpp_strerror(-r) << dendl; | |
1480 | return r; | |
1481 | } | |
1482 | // set as latest epoch | |
1483 | r = update_latest_epoch(epoch); | |
1484 | if (r == -EEXIST) { | |
1485 | // already have this epoch (or a more recent one) | |
1486 | return 0; | |
1487 | } | |
1488 | if (r < 0) { | |
1489 | ldout(cct, 0) << "failed to set latest epoch: " << cpp_strerror(-r) << dendl; | |
1490 | return r; | |
1491 | } | |
1492 | r = reflect(); | |
1493 | if (r < 0) { | |
1494 | ldout(cct, 0) << "failed to update local objects: " << cpp_strerror(-r) << dendl; | |
1495 | return r; | |
1496 | } | |
1497 | ldout(cct, 4) << "Committed new epoch " << epoch | |
1498 | << " for period " << id << dendl; | |
1499 | realm.notify_new_period(*this); | |
1500 | return 0; | |
1501 | } | |
1502 | ||
1503 | int RGWZoneParams::create_default(bool old_format) | |
1504 | { | |
1505 | name = default_zone_name; | |
1506 | ||
1507 | int r = create(); | |
1508 | if (r < 0) { | |
1509 | return r; | |
1510 | } | |
1511 | ||
1512 | if (old_format) { | |
1513 | name = id; | |
1514 | } | |
1515 | ||
1516 | return r; | |
1517 | } | |
1518 | ||
1519 | ||
1520 | int get_zones_pool_set(CephContext* cct, | |
1521 | RGWSI_SysObj* sysobj_svc, | |
1522 | const list<string>& zones, | |
1523 | const string& my_zone_id, | |
1524 | set<rgw_pool>& pool_names) | |
1525 | { | |
1526 | for(auto const& iter : zones) { | |
1527 | RGWZoneParams zone(iter); | |
1528 | int r = zone.init(cct, sysobj_svc); | |
1529 | if (r < 0) { | |
1530 | ldout(cct, 0) << "Error: init zone " << iter << ":" << cpp_strerror(-r) << dendl; | |
1531 | return r; | |
1532 | } | |
1533 | if (zone.get_id() != my_zone_id) { | |
1534 | pool_names.insert(zone.domain_root); | |
1535 | pool_names.insert(zone.metadata_heap); | |
1536 | pool_names.insert(zone.control_pool); | |
1537 | pool_names.insert(zone.gc_pool); | |
1538 | pool_names.insert(zone.log_pool); | |
1539 | pool_names.insert(zone.intent_log_pool); | |
1540 | pool_names.insert(zone.usage_log_pool); | |
1541 | pool_names.insert(zone.user_keys_pool); | |
1542 | pool_names.insert(zone.user_email_pool); | |
1543 | pool_names.insert(zone.user_swift_pool); | |
1544 | pool_names.insert(zone.user_uid_pool); | |
1545 | pool_names.insert(zone.otp_pool); | |
1546 | pool_names.insert(zone.roles_pool); | |
1547 | pool_names.insert(zone.reshard_pool); | |
1548 | for(auto& iter : zone.placement_pools) { | |
1549 | pool_names.insert(iter.second.index_pool); | |
1550 | for (auto& pi : iter.second.storage_classes.get_all()) { | |
1551 | if (pi.second.data_pool) { | |
1552 | pool_names.insert(pi.second.data_pool.get()); | |
1553 | } | |
1554 | } | |
1555 | pool_names.insert(iter.second.data_extra_pool); | |
1556 | } | |
1557 | } | |
1558 | } | |
1559 | return 0; | |
1560 | } | |
1561 | ||
1562 | rgw_pool fix_zone_pool_dup(set<rgw_pool> pools, | |
1563 | const string& default_prefix, | |
1564 | const string& default_suffix, | |
1565 | const rgw_pool& suggested_pool) | |
1566 | { | |
1567 | string suggested_name = suggested_pool.to_str(); | |
1568 | ||
1569 | string prefix = default_prefix; | |
1570 | string suffix = default_suffix; | |
1571 | ||
1572 | if (!suggested_pool.empty()) { | |
1573 | prefix = suggested_name.substr(0, suggested_name.find(".")); | |
1574 | suffix = suggested_name.substr(prefix.length()); | |
1575 | } | |
1576 | ||
1577 | rgw_pool pool(prefix + suffix); | |
1578 | ||
1579 | if (pools.find(pool) == pools.end()) { | |
1580 | return pool; | |
1581 | } else { | |
1582 | while(true) { | |
1583 | pool = prefix + "_" + std::to_string(std::rand()) + suffix; | |
1584 | if (pools.find(pool) == pools.end()) { | |
1585 | return pool; | |
1586 | } | |
1587 | } | |
1588 | } | |
1589 | } | |
1590 | ||
1591 | int RGWZoneParams::fix_pool_names() | |
1592 | { | |
1593 | ||
1594 | list<string> zones; | |
1595 | int r = zone_svc->list_zones(zones); | |
1596 | if (r < 0) { | |
1597 | ldout(cct, 10) << "WARNING: store->list_zones() returned r=" << r << dendl; | |
1598 | } | |
1599 | ||
1600 | set<rgw_pool> pools; | |
1601 | r = get_zones_pool_set(cct, sysobj_svc, zones, id, pools); | |
1602 | if (r < 0) { | |
1603 | ldout(cct, 0) << "Error: get_zones_pool_names" << r << dendl; | |
1604 | return r; | |
1605 | } | |
1606 | ||
1607 | domain_root = fix_zone_pool_dup(pools, name, ".rgw.meta:root", domain_root); | |
1608 | if (!metadata_heap.name.empty()) { | |
1609 | metadata_heap = fix_zone_pool_dup(pools, name, ".rgw.meta:heap", metadata_heap); | |
1610 | } | |
1611 | control_pool = fix_zone_pool_dup(pools, name, ".rgw.control", control_pool); | |
1612 | gc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:gc", gc_pool); | |
1613 | lc_pool = fix_zone_pool_dup(pools, name ,".rgw.log:lc", lc_pool); | |
1614 | log_pool = fix_zone_pool_dup(pools, name, ".rgw.log", log_pool); | |
1615 | intent_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:intent", intent_log_pool); | |
1616 | usage_log_pool = fix_zone_pool_dup(pools, name, ".rgw.log:usage", usage_log_pool); | |
1617 | user_keys_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.keys", user_keys_pool); | |
1618 | user_email_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.email", user_email_pool); | |
1619 | user_swift_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.swift", user_swift_pool); | |
1620 | user_uid_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:users.uid", user_uid_pool); | |
1621 | roles_pool = fix_zone_pool_dup(pools, name, ".rgw.meta:roles", roles_pool); | |
1622 | reshard_pool = fix_zone_pool_dup(pools, name, ".rgw.log:reshard", reshard_pool); | |
1623 | otp_pool = fix_zone_pool_dup(pools, name, ".rgw.otp", otp_pool); | |
1624 | ||
1625 | for(auto& iter : placement_pools) { | |
1626 | iter.second.index_pool = fix_zone_pool_dup(pools, name, "." + default_bucket_index_pool_suffix, | |
1627 | iter.second.index_pool); | |
1628 | for (auto& pi : iter.second.storage_classes.get_all()) { | |
1629 | if (pi.second.data_pool) { | |
1630 | rgw_pool& pool = pi.second.data_pool.get(); | |
1631 | pool = fix_zone_pool_dup(pools, name, "." + default_storage_pool_suffix, | |
1632 | pool); | |
1633 | } | |
1634 | } | |
1635 | iter.second.data_extra_pool= fix_zone_pool_dup(pools, name, "." + default_storage_extra_pool_suffix, | |
1636 | iter.second.data_extra_pool); | |
1637 | } | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
1642 | int RGWZoneParams::create(bool exclusive) | |
1643 | { | |
1644 | /* check for old pools config */ | |
1645 | rgw_raw_obj obj(domain_root, avail_pools); | |
1646 | auto obj_ctx = sysobj_svc->init_obj_ctx(); | |
1647 | auto sysobj = sysobj_svc->get_obj(obj_ctx, obj); | |
1648 | int r = sysobj.rop().stat(); | |
1649 | if (r < 0) { | |
1650 | ldout(cct, 10) << "couldn't find old data placement pools config, setting up new ones for the zone" << dendl; | |
1651 | /* a new system, let's set new placement info */ | |
1652 | RGWZonePlacementInfo default_placement; | |
1653 | default_placement.index_pool = name + "." + default_bucket_index_pool_suffix; | |
1654 | rgw_pool pool = name + "." + default_storage_pool_suffix; | |
1655 | default_placement.storage_classes.set_storage_class(RGW_STORAGE_CLASS_STANDARD, &pool, nullptr); | |
1656 | default_placement.data_extra_pool = name + "." + default_storage_extra_pool_suffix; | |
1657 | placement_pools["default-placement"] = default_placement; | |
1658 | } | |
1659 | ||
1660 | r = fix_pool_names(); | |
1661 | if (r < 0) { | |
1662 | ldout(cct, 0) << "ERROR: fix_pool_names returned r=" << r << dendl; | |
1663 | return r; | |
1664 | } | |
1665 | ||
1666 | r = RGWSystemMetaObj::create(exclusive); | |
1667 | if (r < 0) { | |
1668 | return r; | |
1669 | } | |
1670 | ||
1671 | // try to set as default. may race with another create, so pass exclusive=true | |
1672 | // so we don't override an existing default | |
1673 | r = set_as_default(true); | |
1674 | if (r < 0 && r != -EEXIST) { | |
1675 | ldout(cct, 10) << "WARNING: failed to set zone as default, r=" << r << dendl; | |
1676 | } | |
1677 | ||
1678 | return 0; | |
1679 | } | |
1680 | ||
1681 | rgw_pool RGWZoneParams::get_pool(CephContext *cct) const | |
1682 | { | |
1683 | if (cct->_conf->rgw_zone_root_pool.empty()) { | |
1684 | return rgw_pool(RGW_DEFAULT_ZONE_ROOT_POOL); | |
1685 | } | |
1686 | ||
1687 | return rgw_pool(cct->_conf->rgw_zone_root_pool); | |
1688 | } | |
1689 | ||
1690 | const string RGWZoneParams::get_default_oid(bool old_format) const | |
1691 | { | |
1692 | if (old_format) { | |
1693 | return cct->_conf->rgw_default_zone_info_oid; | |
1694 | } | |
1695 | ||
1696 | return cct->_conf->rgw_default_zone_info_oid + "." + realm_id; | |
1697 | } | |
1698 | ||
1699 | const string& RGWZoneParams::get_names_oid_prefix() const | |
1700 | { | |
1701 | return zone_names_oid_prefix; | |
1702 | } | |
1703 | ||
1704 | const string& RGWZoneParams::get_info_oid_prefix(bool old_format) const | |
1705 | { | |
1706 | return zone_info_oid_prefix; | |
1707 | } | |
1708 | ||
1709 | const string& RGWZoneParams::get_predefined_name(CephContext *cct) const { | |
1710 | return cct->_conf->rgw_zone; | |
1711 | } | |
1712 | ||
1713 | int RGWZoneParams::init(CephContext *cct, RGWSI_SysObj *sysobj_svc, bool setup_obj, bool old_format) | |
1714 | { | |
1715 | if (name.empty()) { | |
1716 | name = cct->_conf->rgw_zone; | |
1717 | } | |
1718 | ||
1719 | return RGWSystemMetaObj::init(cct, sysobj_svc, setup_obj, old_format); | |
1720 | } | |
1721 | ||
1722 | int RGWZoneParams::read_default_id(string& default_id, bool old_format) | |
1723 | { | |
1724 | if (realm_id.empty()) { | |
1725 | /* try using default realm */ | |
1726 | RGWRealm realm; | |
1727 | int ret = realm.init(cct, sysobj_svc); | |
1728 | //no default realm exist | |
1729 | if (ret < 0) { | |
1730 | return read_id(default_zone_name, default_id); | |
1731 | } | |
1732 | realm_id = realm.get_id(); | |
1733 | } | |
1734 | ||
1735 | return RGWSystemMetaObj::read_default_id(default_id, old_format); | |
1736 | } | |
1737 | ||
1738 | ||
1739 | int RGWZoneParams::set_as_default(bool exclusive) | |
1740 | { | |
1741 | if (realm_id.empty()) { | |
1742 | /* try using default realm */ | |
1743 | RGWRealm realm; | |
1744 | int ret = realm.init(cct, sysobj_svc); | |
1745 | if (ret < 0) { | |
1746 | ldout(cct, 10) << "could not read realm id: " << cpp_strerror(-ret) << dendl; | |
1747 | return -EINVAL; | |
1748 | } | |
1749 | realm_id = realm.get_id(); | |
1750 | } | |
1751 | ||
1752 | return RGWSystemMetaObj::set_as_default(exclusive); | |
1753 | } | |
1754 | ||
1755 | const string& RGWZoneParams::get_compression_type(const rgw_placement_rule& placement_rule) const | |
1756 | { | |
1757 | static const std::string NONE{"none"}; | |
1758 | auto p = placement_pools.find(placement_rule.name); | |
1759 | if (p == placement_pools.end()) { | |
1760 | return NONE; | |
1761 | } | |
eafe8130 | 1762 | const auto& type = p->second.get_compression_type(placement_rule.get_storage_class()); |
11fdf7f2 TL |
1763 | return !type.empty() ? type : NONE; |
1764 | } | |
1765 | ||
1766 | void RGWPeriodMap::encode(bufferlist& bl) const { | |
1767 | ENCODE_START(2, 1, bl); | |
1768 | encode(id, bl); | |
1769 | encode(zonegroups, bl); | |
1770 | encode(master_zonegroup, bl); | |
1771 | encode(short_zone_ids, bl); | |
1772 | ENCODE_FINISH(bl); | |
1773 | } | |
1774 | ||
1775 | void RGWPeriodMap::decode(bufferlist::const_iterator& bl) { | |
1776 | DECODE_START(2, bl); | |
1777 | decode(id, bl); | |
1778 | decode(zonegroups, bl); | |
1779 | decode(master_zonegroup, bl); | |
1780 | if (struct_v >= 2) { | |
1781 | decode(short_zone_ids, bl); | |
1782 | } | |
1783 | DECODE_FINISH(bl); | |
1784 | ||
1785 | zonegroups_by_api.clear(); | |
1786 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1787 | iter != zonegroups.end(); ++iter) { | |
1788 | RGWZoneGroup& zonegroup = iter->second; | |
1789 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1790 | if (zonegroup.is_master_zonegroup()) { | |
1791 | master_zonegroup = zonegroup.get_id(); | |
1792 | } | |
1793 | } | |
1794 | } | |
1795 | ||
1796 | // run an MD5 hash on the zone_id and return the first 32 bits | |
1797 | static uint32_t gen_short_zone_id(const std::string zone_id) | |
1798 | { | |
1799 | unsigned char md5[CEPH_CRYPTO_MD5_DIGESTSIZE]; | |
1800 | MD5 hash; | |
1801 | hash.Update((const unsigned char *)zone_id.c_str(), zone_id.size()); | |
1802 | hash.Final(md5); | |
1803 | ||
1804 | uint32_t short_id; | |
1805 | memcpy((char *)&short_id, md5, sizeof(short_id)); | |
1806 | return std::max(short_id, 1u); | |
1807 | } | |
1808 | ||
1809 | int RGWPeriodMap::update(const RGWZoneGroup& zonegroup, CephContext *cct) | |
1810 | { | |
1811 | if (zonegroup.is_master_zonegroup() && (!master_zonegroup.empty() && zonegroup.get_id() != master_zonegroup)) { | |
1812 | ldout(cct,0) << "Error updating periodmap, multiple master zonegroups configured "<< dendl; | |
1813 | ldout(cct,0) << "master zonegroup: " << master_zonegroup << " and " << zonegroup.get_id() <<dendl; | |
1814 | return -EINVAL; | |
1815 | } | |
1816 | map<string, RGWZoneGroup>::iterator iter = zonegroups.find(zonegroup.get_id()); | |
1817 | if (iter != zonegroups.end()) { | |
1818 | RGWZoneGroup& old_zonegroup = iter->second; | |
1819 | if (!old_zonegroup.api_name.empty()) { | |
1820 | zonegroups_by_api.erase(old_zonegroup.api_name); | |
1821 | } | |
1822 | } | |
1823 | zonegroups[zonegroup.get_id()] = zonegroup; | |
1824 | ||
1825 | if (!zonegroup.api_name.empty()) { | |
1826 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1827 | } | |
1828 | ||
1829 | if (zonegroup.is_master_zonegroup()) { | |
1830 | master_zonegroup = zonegroup.get_id(); | |
1831 | } else if (master_zonegroup == zonegroup.get_id()) { | |
1832 | master_zonegroup = ""; | |
1833 | } | |
1834 | ||
1835 | for (auto& i : zonegroup.zones) { | |
1836 | auto& zone = i.second; | |
1837 | if (short_zone_ids.find(zone.id) != short_zone_ids.end()) { | |
1838 | continue; | |
1839 | } | |
1840 | // calculate the zone's short id | |
1841 | uint32_t short_id = gen_short_zone_id(zone.id); | |
1842 | ||
1843 | // search for an existing zone with the same short id | |
1844 | for (auto& s : short_zone_ids) { | |
1845 | if (s.second == short_id) { | |
1846 | ldout(cct, 0) << "New zone '" << zone.name << "' (" << zone.id | |
1847 | << ") generates the same short_zone_id " << short_id | |
1848 | << " as existing zone id " << s.first << dendl; | |
1849 | return -EEXIST; | |
1850 | } | |
1851 | } | |
1852 | ||
1853 | short_zone_ids[zone.id] = short_id; | |
1854 | } | |
1855 | ||
1856 | return 0; | |
1857 | } | |
1858 | ||
1859 | uint32_t RGWPeriodMap::get_zone_short_id(const string& zone_id) const | |
1860 | { | |
1861 | auto i = short_zone_ids.find(zone_id); | |
1862 | if (i == short_zone_ids.end()) { | |
1863 | return 0; | |
1864 | } | |
1865 | return i->second; | |
1866 | } | |
1867 | ||
1868 | int RGWZoneGroupMap::read(CephContext *cct, RGWSI_SysObj *sysobj_svc) | |
1869 | { | |
1870 | ||
1871 | RGWPeriod period; | |
1872 | int ret = period.init(cct, sysobj_svc); | |
1873 | if (ret < 0) { | |
1874 | cerr << "failed to read current period info: " << cpp_strerror(ret); | |
1875 | return ret; | |
1876 | } | |
1877 | ||
1878 | bucket_quota = period.get_config().bucket_quota; | |
1879 | user_quota = period.get_config().user_quota; | |
1880 | zonegroups = period.get_map().zonegroups; | |
1881 | zonegroups_by_api = period.get_map().zonegroups_by_api; | |
1882 | master_zonegroup = period.get_map().master_zonegroup; | |
1883 | ||
1884 | return 0; | |
1885 | } | |
1886 | ||
1887 | void RGWRegionMap::encode(bufferlist& bl) const { | |
1888 | ENCODE_START( 3, 1, bl); | |
1889 | encode(regions, bl); | |
1890 | encode(master_region, bl); | |
1891 | encode(bucket_quota, bl); | |
1892 | encode(user_quota, bl); | |
1893 | ENCODE_FINISH(bl); | |
1894 | } | |
1895 | ||
1896 | void RGWRegionMap::decode(bufferlist::const_iterator& bl) { | |
1897 | DECODE_START(3, bl); | |
1898 | decode(regions, bl); | |
1899 | decode(master_region, bl); | |
1900 | if (struct_v >= 2) | |
1901 | decode(bucket_quota, bl); | |
1902 | if (struct_v >= 3) | |
1903 | decode(user_quota, bl); | |
1904 | DECODE_FINISH(bl); | |
1905 | } | |
1906 | ||
1907 | void RGWZoneGroupMap::encode(bufferlist& bl) const { | |
1908 | ENCODE_START( 3, 1, bl); | |
1909 | encode(zonegroups, bl); | |
1910 | encode(master_zonegroup, bl); | |
1911 | encode(bucket_quota, bl); | |
1912 | encode(user_quota, bl); | |
1913 | ENCODE_FINISH(bl); | |
1914 | } | |
1915 | ||
1916 | void RGWZoneGroupMap::decode(bufferlist::const_iterator& bl) { | |
1917 | DECODE_START(3, bl); | |
1918 | decode(zonegroups, bl); | |
1919 | decode(master_zonegroup, bl); | |
1920 | if (struct_v >= 2) | |
1921 | decode(bucket_quota, bl); | |
1922 | if (struct_v >= 3) | |
1923 | decode(user_quota, bl); | |
1924 | DECODE_FINISH(bl); | |
1925 | ||
1926 | zonegroups_by_api.clear(); | |
1927 | for (map<string, RGWZoneGroup>::iterator iter = zonegroups.begin(); | |
1928 | iter != zonegroups.end(); ++iter) { | |
1929 | RGWZoneGroup& zonegroup = iter->second; | |
1930 | zonegroups_by_api[zonegroup.api_name] = zonegroup; | |
1931 | if (zonegroup.is_master_zonegroup()) { | |
1932 | master_zonegroup = zonegroup.get_name(); | |
1933 | } | |
1934 | } | |
1935 | } | |
1936 | ||
1937 |