diff options
Diffstat (limited to 'src/rgw/rgw_bucket.cc')
| -rw-r--r-- | src/rgw/rgw_bucket.cc | 3178 |
1 files changed, 3178 insertions, 0 deletions
diff --git a/src/rgw/rgw_bucket.cc b/src/rgw/rgw_bucket.cc new file mode 100644 index 00000000..f022222f --- /dev/null +++ b/src/rgw/rgw_bucket.cc @@ -0,0 +1,3178 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <errno.h> + +#include <string> +#include <map> +#include <sstream> + +#include <boost/utility/string_ref.hpp> +#include <boost/format.hpp> + +#include "common/errno.h" +#include "common/ceph_json.h" +#include "include/scope_guard.h" +#include "rgw_rados.h" +#include "rgw_zone.h" +#include "rgw_acl.h" +#include "rgw_acl_s3.h" + +#include "include/types.h" +#include "rgw_bucket.h" +#include "rgw_user.h" +#include "rgw_string.h" +#include "rgw_multi.h" + +#include "services/svc_zone.h" +#include "services/svc_sys_obj.h" + +#include "include/rados/librados.hpp" +// until everything is moved from rgw_common +#include "rgw_common.h" +#include "rgw_reshard.h" +#include "rgw_lc.h" +#include "cls/user/cls_user_types.h" + +#define dout_context g_ceph_context +#define dout_subsys ceph_subsys_rgw + +#define BUCKET_TAG_TIMEOUT 30 + +// default number of entries to list with each bucket listing call +// (use marker to bridge between calls) +static constexpr size_t listing_max_entries = 1000; + + +static RGWMetadataHandler *bucket_meta_handler = NULL; +static RGWMetadataHandler *bucket_instance_meta_handler = NULL; + +// define as static when RGWBucket implementation completes +void rgw_get_buckets_obj(const rgw_user& user_id, string& buckets_obj_id) +{ + buckets_obj_id = user_id.to_str(); + buckets_obj_id += RGW_BUCKETS_OBJ_SUFFIX; +} + +/* + * Note that this is not a reversal of parse_bucket(). That one deals + * with the syntax we need in metadata and such. This one deals with + * the representation in RADOS pools. We chose '/' because it's not + * acceptable in bucket names and thus qualified buckets cannot conflict + * with the legacy or S3 buckets. + */ +std::string rgw_make_bucket_entry_name(const std::string& tenant_name, + const std::string& bucket_name) { + std::string bucket_entry; + + if (bucket_name.empty()) { + bucket_entry.clear(); + } else if (tenant_name.empty()) { + bucket_entry = bucket_name; + } else { + bucket_entry = tenant_name + "/" + bucket_name; + } + + return bucket_entry; +} + +/* + * Tenants are separated from buckets in URLs by a colon in S3. + * This function is not to be used on Swift URLs, not even for COPY arguments. + */ +void rgw_parse_url_bucket(const string &bucket, const string& auth_tenant, + string &tenant_name, string &bucket_name) { + + int pos = bucket.find(':'); + if (pos >= 0) { + /* + * N.B.: We allow ":bucket" syntax with explicit empty tenant in order + * to refer to the legacy tenant, in case users in new named tenants + * want to access old global buckets. + */ + tenant_name = bucket.substr(0, pos); + bucket_name = bucket.substr(pos + 1); + } else { + tenant_name = auth_tenant; + bucket_name = bucket; + } +} + +/** + * Get all the buckets owned by a user and fill up an RGWUserBuckets with them. + * Returns: 0 on success, -ERR# on failure. + */ +int rgw_read_user_buckets(RGWRados * store, + const rgw_user& user_id, + RGWUserBuckets& buckets, + const string& marker, + const string& end_marker, + uint64_t max, + bool need_stats, + bool *is_truncated, + uint64_t default_amount) +{ + int ret; + buckets.clear(); + std::string buckets_obj_id; + rgw_get_buckets_obj(user_id, buckets_obj_id); + rgw_raw_obj obj(store->svc.zone->get_zone_params().user_uid_pool, buckets_obj_id); + + bool truncated = false; + string m = marker; + + uint64_t total = 0; + + if (!max) { + max = default_amount; + } + + do { + std::list<cls_user_bucket_entry> entries; + ret = store->cls_user_list_buckets(obj, m, end_marker, max - total, entries, &m, &truncated); + if (ret == -ENOENT) { + ret = 0; + } + + if (ret < 0) { + return ret; + } + + for (auto& entry : entries) { + buckets.add(RGWBucketEnt(user_id, std::move(entry))); + total++; + } + + } while (truncated && total < max); + + if (is_truncated != nullptr) { + *is_truncated = truncated; + } + + if (need_stats) { + map<string, RGWBucketEnt>& m = buckets.get_buckets(); + ret = store->update_containers_stats(m); + if (ret < 0 && ret != -ENOENT) { + ldout(store->ctx(), 0) << "ERROR: could not get stats for buckets" << dendl; + return ret; + } + } + return 0; +} + +int rgw_bucket_sync_user_stats(RGWRados *store, const rgw_user& user_id, const RGWBucketInfo& bucket_info) +{ + string buckets_obj_id; + rgw_get_buckets_obj(user_id, buckets_obj_id); + rgw_raw_obj obj(store->svc.zone->get_zone_params().user_uid_pool, buckets_obj_id); + + return store->cls_user_sync_bucket_stats(obj, bucket_info); +} + +int rgw_bucket_sync_user_stats(RGWRados *store, const string& tenant_name, const string& bucket_name) +{ + RGWBucketInfo bucket_info; + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + int ret = store->get_bucket_info(obj_ctx, tenant_name, bucket_name, bucket_info, NULL); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: could not fetch bucket info: ret=" << ret << dendl; + return ret; + } + + ret = rgw_bucket_sync_user_stats(store, bucket_info.owner, bucket_info); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: could not sync user stats for bucket " << bucket_name << ": ret=" << ret << dendl; + return ret; + } + + return 0; +} + +int rgw_link_bucket(RGWRados* const store, + const rgw_user& user_id, + rgw_bucket& bucket, + ceph::real_time creation_time, + bool update_entrypoint) +{ + int ret; + string& tenant_name = bucket.tenant; + string& bucket_name = bucket.name; + + cls_user_bucket_entry new_bucket; + + RGWBucketEntryPoint ep; + RGWObjVersionTracker ot; + + bucket.convert(&new_bucket.bucket); + new_bucket.size = 0; + if (real_clock::is_zero(creation_time)) + new_bucket.creation_time = real_clock::now(); + else + new_bucket.creation_time = creation_time; + + map<string, bufferlist> attrs; + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + + if (update_entrypoint) { + ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, ep, &ot, NULL, &attrs); + if (ret < 0 && ret != -ENOENT) { + ldout(store->ctx(), 0) << "ERROR: store->get_bucket_entrypoint_info() returned: " + << cpp_strerror(-ret) << dendl; + } + } + + string buckets_obj_id; + rgw_get_buckets_obj(user_id, buckets_obj_id); + + rgw_raw_obj obj(store->svc.zone->get_zone_params().user_uid_pool, buckets_obj_id); + ret = store->cls_user_add_bucket(obj, new_bucket); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: error adding bucket to directory: " + << cpp_strerror(-ret) << dendl; + goto done_err; + } + + if (!update_entrypoint) + return 0; + + ep.linked = true; + ep.owner = user_id; + ep.bucket = bucket; + ret = store->put_bucket_entrypoint_info(tenant_name, bucket_name, ep, false, ot, real_time(), &attrs); + if (ret < 0) + goto done_err; + + return 0; +done_err: + int r = rgw_unlink_bucket(store, user_id, bucket.tenant, bucket.name); + if (r < 0) { + ldout(store->ctx(), 0) << "ERROR: failed unlinking bucket on error cleanup: " + << cpp_strerror(-r) << dendl; + } + return ret; +} + +int rgw_unlink_bucket(RGWRados *store, const rgw_user& user_id, const string& tenant_name, const string& bucket_name, bool update_entrypoint) +{ + int ret; + + string buckets_obj_id; + rgw_get_buckets_obj(user_id, buckets_obj_id); + + cls_user_bucket bucket; + bucket.name = bucket_name; + rgw_raw_obj obj(store->svc.zone->get_zone_params().user_uid_pool, buckets_obj_id); + ret = store->cls_user_remove_bucket(obj, bucket); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: error removing bucket from directory: " + << cpp_strerror(-ret)<< dendl; + } + + if (!update_entrypoint) + return 0; + + RGWBucketEntryPoint ep; + RGWObjVersionTracker ot; + map<string, bufferlist> attrs; + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, ep, &ot, NULL, &attrs); + if (ret == -ENOENT) + return 0; + if (ret < 0) + return ret; + + if (!ep.linked) + return 0; + + if (ep.owner != user_id) { + ldout(store->ctx(), 0) << "bucket entry point user mismatch, can't unlink bucket: " << ep.owner << " != " << user_id << dendl; + return -EINVAL; + } + + ep.linked = false; + return store->put_bucket_entrypoint_info(tenant_name, bucket_name, ep, false, ot, real_time(), &attrs); +} + +int rgw_bucket_store_info(RGWRados *store, const string& bucket_name, bufferlist& bl, bool exclusive, + map<string, bufferlist> *pattrs, RGWObjVersionTracker *objv_tracker, + real_time mtime) { + return store->meta_mgr->put_entry(bucket_meta_handler, bucket_name, bl, exclusive, objv_tracker, mtime, pattrs); +} + +int rgw_bucket_instance_store_info(RGWRados *store, string& entry, bufferlist& bl, bool exclusive, + map<string, bufferlist> *pattrs, RGWObjVersionTracker *objv_tracker, + real_time mtime) { + return store->meta_mgr->put_entry(bucket_instance_meta_handler, entry, bl, exclusive, objv_tracker, mtime, pattrs); +} + +int rgw_bucket_instance_remove_entry(RGWRados *store, const string& entry, + RGWObjVersionTracker *objv_tracker) { + return store->meta_mgr->remove_entry(bucket_instance_meta_handler, entry, objv_tracker); +} + +// 'tenant/' is used in bucket instance keys for sync to avoid parsing ambiguity +// with the existing instance[:shard] format. once we parse the shard, the / is +// replaced with a : to match the [tenant:]instance format +void rgw_bucket_instance_key_to_oid(string& key) +{ + // replace tenant/ with tenant: + auto c = key.find('/'); + if (c != string::npos) { + key[c] = ':'; + } +} + +// convert bucket instance oids back to the tenant/ format for metadata keys. +// it's safe to parse 'tenant:' only for oids, because they won't contain the +// optional :shard at the end +void rgw_bucket_instance_oid_to_key(string& oid) +{ + // find first : (could be tenant:bucket or bucket:instance) + auto c = oid.find(':'); + if (c != string::npos) { + // if we find another :, the first one was for tenant + if (oid.find(':', c + 1) != string::npos) { + oid[c] = '/'; + } + } +} + +int rgw_bucket_parse_bucket_instance(const string& bucket_instance, string *target_bucket_instance, int *shard_id) +{ + ssize_t pos = bucket_instance.rfind(':'); + if (pos < 0) { + return -EINVAL; + } + + string first = bucket_instance.substr(0, pos); + string second = bucket_instance.substr(pos + 1); + + if (first.find(':') == string::npos) { + *shard_id = -1; + *target_bucket_instance = bucket_instance; + return 0; + } + + *target_bucket_instance = first; + string err; + *shard_id = strict_strtol(second.c_str(), 10, &err); + if (!err.empty()) { + return -EINVAL; + } + + return 0; +} + +// parse key in format: [tenant/]name:instance[:shard_id] +int rgw_bucket_parse_bucket_key(CephContext *cct, const string& key, + rgw_bucket *bucket, int *shard_id) +{ + boost::string_ref name{key}; + boost::string_ref instance; + + // split tenant/name + auto pos = name.find('/'); + if (pos != boost::string_ref::npos) { + auto tenant = name.substr(0, pos); + bucket->tenant.assign(tenant.begin(), tenant.end()); + name = name.substr(pos + 1); + } else { + bucket->tenant.clear(); + } + + // split name:instance + pos = name.find(':'); + if (pos != boost::string_ref::npos) { + instance = name.substr(pos + 1); + name = name.substr(0, pos); + } + bucket->name.assign(name.begin(), name.end()); + + // split instance:shard + pos = instance.find(':'); + if (pos == boost::string_ref::npos) { + bucket->bucket_id.assign(instance.begin(), instance.end()); + *shard_id = -1; + return 0; + } + + // parse shard id + auto shard = instance.substr(pos + 1); + string err; + auto id = strict_strtol(shard.data(), 10, &err); + if (!err.empty()) { + ldout(cct, 0) << "ERROR: failed to parse bucket shard '" + << instance.data() << "': " << err << dendl; + return -EINVAL; + } + + *shard_id = id; + instance = instance.substr(0, pos); + bucket->bucket_id.assign(instance.begin(), instance.end()); + return 0; +} + +int rgw_bucket_set_attrs(RGWRados *store, RGWBucketInfo& bucket_info, + map<string, bufferlist>& attrs, + RGWObjVersionTracker *objv_tracker) +{ + rgw_bucket& bucket = bucket_info.bucket; + + if (!bucket_info.has_instance_obj) { + /* an old bucket object, need to convert it */ + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + int ret = store->convert_old_bucket_info(obj_ctx, bucket.tenant, bucket.name); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: failed converting old bucket info: " << ret << dendl; + return ret; + } + } + + /* we want the bucket instance name without the oid prefix cruft */ + string key = bucket.get_key(); + bufferlist bl; + + encode(bucket_info, bl); + + return rgw_bucket_instance_store_info(store, key, bl, false, &attrs, objv_tracker, real_time()); +} + +static void dump_mulipart_index_results(list<rgw_obj_index_key>& objs_to_unlink, + Formatter *f) +{ + for (const auto& o : objs_to_unlink) { + f->dump_string("object", o.name); + } +} + +void check_bad_user_bucket_mapping(RGWRados *store, const rgw_user& user_id, + bool fix) +{ + RGWUserBuckets user_buckets; + bool is_truncated = false; + string marker; + + CephContext *cct = store->ctx(); + + size_t max_entries = cct->_conf->rgw_list_buckets_max_chunk; + + do { + int ret = rgw_read_user_buckets(store, user_id, user_buckets, marker, + string(), max_entries, false, + &is_truncated); + if (ret < 0) { + ldout(store->ctx(), 0) << "failed to read user buckets: " + << cpp_strerror(-ret) << dendl; + return; + } + + map<string, RGWBucketEnt>& buckets = user_buckets.get_buckets(); + for (map<string, RGWBucketEnt>::iterator i = buckets.begin(); + i != buckets.end(); + ++i) { + marker = i->first; + + RGWBucketEnt& bucket_ent = i->second; + rgw_bucket& bucket = bucket_ent.bucket; + + RGWBucketInfo bucket_info; + real_time mtime; + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + int r = store->get_bucket_info(obj_ctx, user_id.tenant, bucket.name, bucket_info, &mtime); + if (r < 0) { + ldout(store->ctx(), 0) << "could not get bucket info for bucket=" << bucket << dendl; + continue; + } + + rgw_bucket& actual_bucket = bucket_info.bucket; + + if (actual_bucket.name.compare(bucket.name) != 0 || + actual_bucket.tenant.compare(bucket.tenant) != 0 || + actual_bucket.marker.compare(bucket.marker) != 0 || + actual_bucket.bucket_id.compare(bucket.bucket_id) != 0) { + cout << "bucket info mismatch: expected " << actual_bucket << " got " << bucket << std::endl; + if (fix) { + cout << "fixing" << std::endl; + r = rgw_link_bucket(store, user_id, actual_bucket, + bucket_info.creation_time); + if (r < 0) { + cerr << "failed to fix bucket: " << cpp_strerror(-r) << std::endl; + } + } + } + } + } while (is_truncated); +} + +static bool bucket_object_check_filter(const string& oid) +{ + rgw_obj_key key; + string ns; + return rgw_obj_key::oid_to_key_in_ns(oid, &key, ns); +} + +int rgw_remove_object(RGWRados *store, const RGWBucketInfo& bucket_info, const rgw_bucket& bucket, rgw_obj_key& key) +{ + RGWObjectCtx rctx(store); + + if (key.instance.empty()) { + key.instance = "null"; + } + + rgw_obj obj(bucket, key); + + return store->delete_obj(rctx, bucket_info, obj, bucket_info.versioning_status()); +} + +int rgw_remove_bucket(RGWRados *store, rgw_bucket& bucket, bool delete_children) +{ + int ret; + map<RGWObjCategory, RGWStorageStats> stats; + std::vector<rgw_bucket_dir_entry> objs; + map<string, bool> common_prefixes; + RGWBucketInfo info; + RGWSysObjectCtx obj_ctx = store->svc.sysobj->init_obj_ctx(); + + string bucket_ver, master_ver; + + ret = store->get_bucket_info(obj_ctx, bucket.tenant, bucket.name, info, NULL); + if (ret < 0) + return ret; + + ret = store->get_bucket_stats(info, RGW_NO_SHARD, &bucket_ver, &master_ver, stats, NULL); + if (ret < 0) + return ret; + + RGWRados::Bucket target(store, info); + RGWRados::Bucket::List list_op(&target); + CephContext *cct = store->ctx(); + int max = 1000; + + list_op.params.list_versions = true; + list_op.params.allow_unordered = true; + + bool is_truncated = false; + do { + objs.clear(); + + ret = list_op.list_objects(max, &objs, &common_prefixes, &is_truncated); + if (ret < 0) + return ret; + + if (!objs.empty() && !delete_children) { + lderr(store->ctx()) << "ERROR: could not remove non-empty bucket " << bucket.name << dendl; + return -ENOTEMPTY; + } + + for (const auto& obj : objs) { + rgw_obj_key key(obj.key); + ret = rgw_remove_object(store, info, bucket, key); + if (ret < 0 && ret != -ENOENT) { + return ret; + } + } + } while(is_truncated); + + string prefix, delimiter; + + ret = abort_bucket_multiparts(store, cct, info, prefix, delimiter); + if (ret < 0) { + return ret; + } + + ret = rgw_bucket_sync_user_stats(store, info.owner, info); + if ( ret < 0) { + dout(1) << "WARNING: failed sync user stats before bucket delete. ret=" << ret << dendl; + } + + RGWObjVersionTracker objv_tracker; + + // if we deleted children above we will force delete, as any that + // remain is detrius from a prior bug + ret = store->delete_bucket(info, objv_tracker, !delete_children); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: could not remove bucket " << + bucket.name << dendl; + return ret; + } + + ret = rgw_unlink_bucket(store, info.owner, bucket.tenant, bucket.name, false); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: unable to remove user bucket information" << dendl; + } + + return ret; +} + +static int aio_wait(librados::AioCompletion *handle) +{ + librados::AioCompletion *c = (librados::AioCompletion *)handle; + c->wait_for_safe(); + int ret = c->get_return_value(); + c->release(); + return ret; +} + +static int drain_handles(list<librados::AioCompletion *>& pending) +{ + int ret = 0; + while (!pending.empty()) { + librados::AioCompletion *handle = pending.front(); + pending.pop_front(); + int r = aio_wait(handle); + if (r < 0) { + ret = r; + } + } + return ret; +} + +int rgw_remove_bucket_bypass_gc(RGWRados *store, rgw_bucket& bucket, + int concurrent_max, bool keep_index_consistent) +{ + int ret; + map<RGWObjCategory, RGWStorageStats> stats; + std::vector<rgw_bucket_dir_entry> objs; + map<string, bool> common_prefixes; + RGWBucketInfo info; + RGWObjectCtx obj_ctx(store); + RGWSysObjectCtx sysobj_ctx = store->svc.sysobj->init_obj_ctx(); + CephContext *cct = store->ctx(); + + string bucket_ver, master_ver; + + ret = store->get_bucket_info(sysobj_ctx, bucket.tenant, bucket.name, info, NULL); + if (ret < 0) + return ret; + + ret = store->get_bucket_stats(info, RGW_NO_SHARD, &bucket_ver, &master_ver, stats, NULL); + if (ret < 0) + return ret; + + string prefix, delimiter; + + ret = abort_bucket_multiparts(store, cct, info, prefix, delimiter); + if (ret < 0) { + return ret; + } + + RGWRados::Bucket target(store, info); + RGWRados::Bucket::List list_op(&target); + + list_op.params.list_versions = true; + list_op.params.allow_unordered = true; + + std::list<librados::AioCompletion*> handles; + + int max = 1000; + int max_aio = concurrent_max; + bool is_truncated = true; + + while (is_truncated) { + objs.clear(); + ret = list_op.list_objects(max, &objs, &common_prefixes, &is_truncated); + if (ret < 0) + return ret; + + std::vector<rgw_bucket_dir_entry>::iterator it = objs.begin(); + for (; it != objs.end(); ++it) { + RGWObjState *astate = NULL; + rgw_obj obj(bucket, (*it).key); + + ret = store->get_obj_state(&obj_ctx, info, obj, &astate, false); + if (ret == -ENOENT) { + dout(1) << "WARNING: cannot find obj state for obj " << obj.get_oid() << dendl; + continue; + } + if (ret < 0) { + lderr(store->ctx()) << "ERROR: get obj state returned with error " << ret << dendl; + return ret; + } + + if (astate->has_manifest) { + RGWObjManifest& manifest = astate->manifest; + RGWObjManifest::obj_iterator miter = manifest.obj_begin(); + rgw_obj head_obj = manifest.get_obj(); + rgw_raw_obj raw_head_obj; + store->obj_to_raw(info.placement_rule, head_obj, &raw_head_obj); + + + for (; miter != manifest.obj_end() && max_aio--; ++miter) { + if (!max_aio) { + ret = drain_handles(handles); + if (ret < 0 && ret != -ENOENT) { + lderr(store->ctx()) << "ERROR: could not drain handles as aio completion returned with " << ret << dendl; + return ret; + } + max_aio = concurrent_max; + } + + rgw_raw_obj last_obj = miter.get_location().get_raw_obj(store); + if (last_obj == raw_head_obj) { + // have the head obj deleted at the end + continue; + } + + ret = store->delete_raw_obj_aio(last_obj, handles); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: delete obj aio failed with " << ret << dendl; + return ret; + } + } // for all shadow objs + + ret = store->delete_obj_aio(head_obj, info, astate, handles, keep_index_consistent); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: delete obj aio failed with " << ret << dendl; + return ret; + } + } + + if (!max_aio) { + ret = drain_handles(handles); + if (ret < 0 && ret != -ENOENT) { + lderr(store->ctx()) << "ERROR: could not drain handles as aio completion returned with " << ret << dendl; + return ret; + } + max_aio = concurrent_max; + } + obj_ctx.invalidate(obj); + } // for all RGW objects + } + + ret = drain_handles(handles); + if (ret < 0 && ret != -ENOENT) { + lderr(store->ctx()) << "ERROR: could not drain handles as aio completion returned with " << ret << dendl; + return ret; + } + + ret = rgw_bucket_sync_user_stats(store, info.owner, info); + if (ret < 0) { + dout(1) << "WARNING: failed sync user stats before bucket delete. ret=" << ret << dendl; + } + + RGWObjVersionTracker objv_tracker; + + // this function can only be run if caller wanted children to be + // deleted, so we can ignore the check for children as any that + // remain are detritus from a prior bug + ret = store->delete_bucket(info, objv_tracker, false); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: could not remove bucket " << bucket.name << dendl; + return ret; + } + + ret = rgw_unlink_bucket(store, info.owner, bucket.tenant, bucket.name, false); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: unable to remove user bucket information" << dendl; + } + + return ret; +} + +int rgw_bucket_delete_bucket_obj(RGWRados *store, + const string& tenant_name, + const string& bucket_name, + RGWObjVersionTracker& objv_tracker) +{ + string key; + + rgw_make_bucket_entry_name(tenant_name, bucket_name, key); + return store->meta_mgr->remove_entry(bucket_meta_handler, key, &objv_tracker); +} + +static void set_err_msg(std::string *sink, std::string msg) +{ + if (sink && !msg.empty()) + *sink = msg; +} + +int RGWBucket::init(RGWRados *storage, RGWBucketAdminOpState& op_state) +{ + if (!storage) + return -EINVAL; + + store = storage; + + rgw_user user_id = op_state.get_user_id(); + tenant = user_id.tenant; + bucket_name = op_state.get_bucket_name(); + RGWUserBuckets user_buckets; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + if (bucket_name.empty() && user_id.empty()) + return -EINVAL; + + if (!bucket_name.empty()) { + int r = store->get_bucket_info(obj_ctx, tenant, bucket_name, bucket_info, NULL); + if (r < 0) { + ldout(store->ctx(), 0) << "could not get bucket info for bucket=" << bucket_name << dendl; + return r; + } + + op_state.set_bucket(bucket_info.bucket); + } + + if (!user_id.empty()) { + int r = rgw_get_user_info_by_uid(store, user_id, user_info); + if (r < 0) + return r; + + op_state.display_name = user_info.display_name; + } + + clear_failure(); + return 0; +} + +bool rgw_find_bucket_by_id(CephContext *cct, RGWMetadataManager *mgr, + const string& marker, const string& bucket_id, rgw_bucket* bucket_out) +{ + void *handle = NULL; + bool truncated = false; + int shard_id; + string s; + + int ret = mgr->list_keys_init("bucket.instance", marker, &handle); + if (ret < 0) { + cerr << "ERROR: can't get key: " << cpp_strerror(-ret) << std::endl; + mgr->list_keys_complete(handle); + return -ret; + } + do { + list<string> keys; + ret = mgr->list_keys_next(handle, 1000, keys, &truncated); + if (ret < 0) { + cerr << "ERROR: lists_keys_next(): " << cpp_strerror(-ret) << std::endl; + mgr->list_keys_complete(handle); + return -ret; + } + for (list<string>::iterator iter = keys.begin(); iter != keys.end(); ++iter) { + s = *iter; + ret = rgw_bucket_parse_bucket_key(cct, s, bucket_out, &shard_id); + if (ret < 0) { + continue; + } + if (bucket_id == bucket_out->bucket_id) { + mgr->list_keys_complete(handle); + return true; + } + } + } while (truncated); + mgr->list_keys_complete(handle); + return false; +} + +int RGWBucket::link(RGWBucketAdminOpState& op_state, std::string *err_msg) +{ + if (!op_state.is_user_op()) { + set_err_msg(err_msg, "empty user id"); + return -EINVAL; + } + + string bucket_id = op_state.get_bucket_id(); + if (bucket_id.empty()) { + set_err_msg(err_msg, "empty bucket instance id"); + return -EINVAL; + } + + std::string display_name = op_state.get_user_display_name(); + rgw_bucket bucket = op_state.get_bucket(); + + const rgw_pool& root_pool = store->svc.zone->get_zone_params().domain_root; + std::string bucket_entry; + rgw_make_bucket_entry_name(tenant, bucket_name, bucket_entry); + rgw_raw_obj obj(root_pool, bucket_entry); + RGWObjVersionTracker objv_tracker; + + map<string, bufferlist> attrs; + RGWBucketInfo bucket_info; + + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + int r = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, NULL, &attrs); + if (r < 0) { + return r; + } + + map<string, bufferlist>::iterator aiter = attrs.find(RGW_ATTR_ACL); + if (aiter != attrs.end()) { + bufferlist aclbl = aiter->second; + RGWAccessControlPolicy policy; + ACLOwner owner; + try { + auto iter = aclbl.cbegin(); + decode(policy, iter); + owner = policy.get_owner(); + } catch (buffer::error& err) { + set_err_msg(err_msg, "couldn't decode policy"); + return -EIO; + } + + r = rgw_unlink_bucket(store, owner.get_id(), bucket.tenant, bucket.name, false); + if (r < 0) { + set_err_msg(err_msg, "could not unlink policy from user " + owner.get_id().to_str()); + return r; + } + + // now update the user for the bucket... + if (display_name.empty()) { + ldout(store->ctx(), 0) << "WARNING: user " << user_info.user_id << " has no display name set" << dendl; + } + policy.create_default(user_info.user_id, display_name); + + owner = policy.get_owner(); + r = store->set_bucket_owner(bucket_info.bucket, owner); + if (r < 0) { + set_err_msg(err_msg, "failed to set bucket owner: " + cpp_strerror(-r)); + return r; + } + + // ...and encode the acl + aclbl.clear(); + policy.encode(aclbl); + + auto sysobj = obj_ctx.get_obj(obj); + r = sysobj.wop() + .set_objv_tracker(&objv_tracker) + .write_attr(RGW_ATTR_ACL, aclbl); + if (r < 0) { + return r; + } + + RGWAccessControlPolicy policy_instance; + policy_instance.create_default(user_info.user_id, display_name); + aclbl.clear(); + policy_instance.encode(aclbl); + + rgw_raw_obj obj_bucket_instance; + store->get_bucket_instance_obj(bucket, obj_bucket_instance); + auto inst_sysobj = obj_ctx.get_obj(obj_bucket_instance); + r = inst_sysobj.wop() + .set_objv_tracker(&objv_tracker) + .write_attr(RGW_ATTR_ACL, aclbl); + if (r < 0) { + return r; + } + + r = rgw_link_bucket(store, user_info.user_id, bucket_info.bucket, + ceph::real_time()); + if (r < 0) { + return r; + } + } + + return 0; +} + +int RGWBucket::unlink(RGWBucketAdminOpState& op_state, std::string *err_msg) +{ + rgw_bucket bucket = op_state.get_bucket(); + + if (!op_state.is_user_op()) { + set_err_msg(err_msg, "could not fetch user or user bucket info"); + return -EINVAL; + } + + int r = rgw_unlink_bucket(store, user_info.user_id, bucket.tenant, bucket.name); + if (r < 0) { + set_err_msg(err_msg, "error unlinking bucket" + cpp_strerror(-r)); + } + + return r; +} + +int RGWBucket::set_quota(RGWBucketAdminOpState& op_state, std::string *err_msg) +{ + rgw_bucket bucket = op_state.get_bucket(); + RGWBucketInfo bucket_info; + map<string, bufferlist> attrs; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + int r = store->get_bucket_info(obj_ctx, bucket.tenant, bucket.name, bucket_info, NULL, &attrs); + if (r < 0) { + set_err_msg(err_msg, "could not get bucket info for bucket=" + bucket.name + ": " + cpp_strerror(-r)); + return r; + } + + bucket_info.quota = op_state.quota; + r = store->put_bucket_instance_info(bucket_info, false, real_time(), &attrs); + if (r < 0) { + set_err_msg(err_msg, "ERROR: failed writing bucket instance info: " + cpp_strerror(-r)); + return r; + } + return r; +} + +int RGWBucket::remove(RGWBucketAdminOpState& op_state, bool bypass_gc, + bool keep_index_consistent, std::string *err_msg) +{ + bool delete_children = op_state.will_delete_children(); + rgw_bucket bucket = op_state.get_bucket(); + int ret; + + if (bypass_gc) { + if (delete_children) { + ret = rgw_remove_bucket_bypass_gc(store, bucket, op_state.get_max_aio(), keep_index_consistent); + } else { + set_err_msg(err_msg, "purge objects should be set for gc to be bypassed"); + return -EINVAL; + } + } else { + ret = rgw_remove_bucket(store, bucket, delete_children); + } + + if (ret < 0) { + set_err_msg(err_msg, "unable to remove bucket" + cpp_strerror(-ret)); + return ret; + } + + return 0; +} + +int RGWBucket::remove_object(RGWBucketAdminOpState& op_state, std::string *err_msg) +{ + rgw_bucket bucket = op_state.get_bucket(); + std::string object_name = op_state.get_object_name(); + + rgw_obj_key key(object_name); + + int ret = rgw_remove_object(store, bucket_info, bucket, key); + if (ret < 0) { + set_err_msg(err_msg, "unable to remove object" + cpp_strerror(-ret)); + return ret; + } + + return 0; +} + +static void dump_bucket_index(map<string, rgw_bucket_dir_entry> result, Formatter *f) +{ + map<string, rgw_bucket_dir_entry>::iterator iter; + for (iter = result.begin(); iter != result.end(); ++iter) { + f->dump_string("object", iter->first); + } +} + +static void dump_bucket_usage(map<RGWObjCategory, RGWStorageStats>& stats, Formatter *formatter) +{ + map<RGWObjCategory, RGWStorageStats>::iterator iter; + + formatter->open_object_section("usage"); + for (iter = stats.begin(); iter != stats.end(); ++iter) { + RGWStorageStats& s = iter->second; + const char *cat_name = rgw_obj_category_name(iter->first); + formatter->open_object_section(cat_name); + s.dump(formatter); + formatter->close_section(); + } + formatter->close_section(); +} + +static void dump_index_check(map<RGWObjCategory, RGWStorageStats> existing_stats, + map<RGWObjCategory, RGWStorageStats> calculated_stats, + Formatter *formatter) +{ + formatter->open_object_section("check_result"); + formatter->open_object_section("existing_header"); + dump_bucket_usage(existing_stats, formatter); + formatter->close_section(); + formatter->open_object_section("calculated_header"); + dump_bucket_usage(calculated_stats, formatter); + formatter->close_section(); + formatter->close_section(); +} + +int RGWBucket::check_bad_index_multipart(RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher ,std::string *err_msg) +{ + bool fix_index = op_state.will_fix_index(); + rgw_bucket bucket = op_state.get_bucket(); + + size_t max = 1000; + + map<string, bool> common_prefixes; + + bool is_truncated; + map<string, bool> meta_objs; + map<rgw_obj_index_key, string> all_objs; + + RGWBucketInfo bucket_info; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + int r = store->get_bucket_instance_info(obj_ctx, bucket, bucket_info, nullptr, nullptr); + if (r < 0) { + ldout(store->ctx(), 0) << "ERROR: " << __func__ << "(): get_bucket_instance_info(bucket=" << bucket << ") returned r=" << r << dendl; + return r; + } + + RGWRados::Bucket target(store, bucket_info); + RGWRados::Bucket::List list_op(&target); + + list_op.params.list_versions = true; + list_op.params.ns = RGW_OBJ_NS_MULTIPART; + + do { + vector<rgw_bucket_dir_entry> result; + int r = list_op.list_objects(max, &result, &common_prefixes, &is_truncated); + if (r < 0) { + set_err_msg(err_msg, "failed to list objects in bucket=" + bucket.name + + " err=" + cpp_strerror(-r)); + + return r; + } + + vector<rgw_bucket_dir_entry>::iterator iter; + for (iter = result.begin(); iter != result.end(); ++iter) { + rgw_obj_index_key key = iter->key; + rgw_obj obj(bucket, key); + string oid = obj.get_oid(); + + int pos = oid.find_last_of('.'); + if (pos < 0) { + /* obj has no suffix */ + all_objs[key] = oid; + } else { + /* obj has suffix */ + string name = oid.substr(0, pos); + string suffix = oid.substr(pos + 1); + + if (suffix.compare("meta") == 0) { + meta_objs[name] = true; + } else { + all_objs[key] = name; + } + } + } + + } while (is_truncated); + + list<rgw_obj_index_key> objs_to_unlink; + Formatter *f = flusher.get_formatter(); + + f->open_array_section("invalid_multipart_entries"); + + for (auto aiter = all_objs.begin(); aiter != all_objs.end(); ++aiter) { + string& name = aiter->second; + + if (meta_objs.find(name) == meta_objs.end()) { + objs_to_unlink.push_back(aiter->first); + } + + if (objs_to_unlink.size() > max) { + if (fix_index) { + int r = store->remove_objs_from_index(bucket_info, objs_to_unlink); + if (r < 0) { + set_err_msg(err_msg, "ERROR: remove_obj_from_index() returned error: " + + cpp_strerror(-r)); + return r; + } + } + + dump_mulipart_index_results(objs_to_unlink, flusher.get_formatter()); + flusher.flush(); + objs_to_unlink.clear(); + } + } + + if (fix_index) { + int r = store->remove_objs_from_index(bucket_info, objs_to_unlink); + if (r < 0) { + set_err_msg(err_msg, "ERROR: remove_obj_from_index() returned error: " + + cpp_strerror(-r)); + + return r; + } + } + + dump_mulipart_index_results(objs_to_unlink, f); + f->close_section(); + flusher.flush(); + + return 0; +} + +int RGWBucket::check_object_index(RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher, + std::string *err_msg) +{ + + bool fix_index = op_state.will_fix_index(); + + if (!fix_index) { + set_err_msg(err_msg, "check-objects flag requires fix index enabled"); + return -EINVAL; + } + + store->cls_obj_set_bucket_tag_timeout(bucket_info, BUCKET_TAG_TIMEOUT); + + string prefix; + rgw_obj_index_key marker; + bool is_truncated = true; + + Formatter *formatter = flusher.get_formatter(); + formatter->open_object_section("objects"); + uint16_t expansion_factor = 1; + while (is_truncated) { + map<string, rgw_bucket_dir_entry> result; + + int r = store->cls_bucket_list_ordered(bucket_info, RGW_NO_SHARD, + marker, prefix, + listing_max_entries, true, + expansion_factor, + result, &is_truncated, &marker, + bucket_object_check_filter); + if (r == -ENOENT) { + break; + } else if (r < 0 && r != -ENOENT) { + set_err_msg(err_msg, "ERROR: failed operation r=" + cpp_strerror(-r)); + } + + if (result.size() < listing_max_entries / 8) { + ++expansion_factor; + } else if (result.size() > listing_max_entries * 7 / 8 && + expansion_factor > 1) { + --expansion_factor; + } + + dump_bucket_index(result, formatter); + flusher.flush(); + } + + formatter->close_section(); + + store->cls_obj_set_bucket_tag_timeout(bucket_info, 0); + + return 0; +} + + +int RGWBucket::check_index(RGWBucketAdminOpState& op_state, + map<RGWObjCategory, RGWStorageStats>& existing_stats, + map<RGWObjCategory, RGWStorageStats>& calculated_stats, + std::string *err_msg) +{ + bool fix_index = op_state.will_fix_index(); + + int r = store->bucket_check_index(bucket_info, &existing_stats, &calculated_stats); + if (r < 0) { + set_err_msg(err_msg, "failed to check index error=" + cpp_strerror(-r)); + return r; + } + + if (fix_index) { + r = store->bucket_rebuild_index(bucket_info); + if (r < 0) { + set_err_msg(err_msg, "failed to rebuild index err=" + cpp_strerror(-r)); + return r; + } + } + + return 0; +} + +int RGWBucket::policy_bl_to_stream(bufferlist& bl, ostream& o) +{ + RGWAccessControlPolicy_S3 policy(g_ceph_context); + int ret = decode_bl(bl, policy); + if (ret < 0) { + ldout(store->ctx(),0) << "failed to decode RGWAccessControlPolicy" << dendl; + } + policy.to_xml(o); + return 0; +} + +int rgw_object_get_attr(RGWRados* store, const RGWBucketInfo& bucket_info, + const rgw_obj& obj, const char* attr_name, + bufferlist& out_bl) +{ + RGWObjectCtx obj_ctx(store); + RGWRados::Object op_target(store, bucket_info, obj_ctx, obj); + RGWRados::Object::Read rop(&op_target); + + return rop.get_attr(attr_name, out_bl); +} + +int RGWBucket::get_policy(RGWBucketAdminOpState& op_state, RGWAccessControlPolicy& policy) +{ + std::string object_name = op_state.get_object_name(); + rgw_bucket bucket = op_state.get_bucket(); + auto sysobj_ctx = store->svc.sysobj->init_obj_ctx(); + + RGWBucketInfo bucket_info; + map<string, bufferlist> attrs; + int ret = store->get_bucket_info(sysobj_ctx, bucket.tenant, bucket.name, bucket_info, NULL, &attrs); + if (ret < 0) { + return ret; + } + + if (!object_name.empty()) { + bufferlist bl; + rgw_obj obj(bucket, object_name); + + ret = rgw_object_get_attr(store, bucket_info, obj, RGW_ATTR_ACL, bl); + if (ret < 0){ + return ret; + } + + ret = decode_bl(bl, policy); + if (ret < 0) { + ldout(store->ctx(),0) << "failed to decode RGWAccessControlPolicy" << dendl; + } + return ret; + } + + map<string, bufferlist>::iterator aiter = attrs.find(RGW_ATTR_ACL); + if (aiter == attrs.end()) { + return -ENOENT; + } + + ret = decode_bl(aiter->second, policy); + if (ret < 0) { + ldout(store->ctx(),0) << "failed to decode RGWAccessControlPolicy" << dendl; + } + + return ret; +} + + +int RGWBucketAdminOp::get_policy(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWAccessControlPolicy& policy) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + ret = bucket.get_policy(op_state, policy); + if (ret < 0) + return ret; + + return 0; +} + +/* Wrappers to facilitate RESTful interface */ + + +int RGWBucketAdminOp::get_policy(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + RGWAccessControlPolicy policy(store->ctx()); + + int ret = get_policy(store, op_state, policy); + if (ret < 0) + return ret; + + Formatter *formatter = flusher.get_formatter(); + + flusher.start(0); + + formatter->open_object_section("policy"); + policy.dump(formatter); + formatter->close_section(); + + flusher.flush(); + + return 0; +} + +int RGWBucketAdminOp::dump_s3_policy(RGWRados *store, RGWBucketAdminOpState& op_state, + ostream& os) +{ + RGWAccessControlPolicy_S3 policy(store->ctx()); + + int ret = get_policy(store, op_state, policy); + if (ret < 0) + return ret; + + policy.to_xml(os); + + return 0; +} + +int RGWBucketAdminOp::unlink(RGWRados *store, RGWBucketAdminOpState& op_state) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + return bucket.unlink(op_state); +} + +int RGWBucketAdminOp::link(RGWRados *store, RGWBucketAdminOpState& op_state, string *err) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + return bucket.link(op_state, err); + +} + +int RGWBucketAdminOp::check_index(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + int ret; + map<RGWObjCategory, RGWStorageStats> existing_stats; + map<RGWObjCategory, RGWStorageStats> calculated_stats; + + + RGWBucket bucket; + + ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + Formatter *formatter = flusher.get_formatter(); + flusher.start(0); + + ret = bucket.check_bad_index_multipart(op_state, flusher); + if (ret < 0) + return ret; + + ret = bucket.check_object_index(op_state, flusher); + if (ret < 0) + return ret; + + ret = bucket.check_index(op_state, existing_stats, calculated_stats); + if (ret < 0) + return ret; + + dump_index_check(existing_stats, calculated_stats, formatter); + flusher.flush(); + + return 0; +} + +int RGWBucketAdminOp::remove_bucket(RGWRados *store, RGWBucketAdminOpState& op_state, + bool bypass_gc, bool keep_index_consistent) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + std::string err_msg; + ret = bucket.remove(op_state, bypass_gc, keep_index_consistent, &err_msg); + if (!err_msg.empty()) { + lderr(store->ctx()) << "ERROR: " << err_msg << dendl; + } + return ret; +} + +int RGWBucketAdminOp::remove_object(RGWRados *store, RGWBucketAdminOpState& op_state) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + + return bucket.remove_object(op_state); +} + +static int bucket_stats(RGWRados *store, const std::string& tenant_name, const std::string& bucket_name, Formatter *formatter) +{ + RGWBucketInfo bucket_info; + map<RGWObjCategory, RGWStorageStats> stats; + + real_time mtime; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + int r = store->get_bucket_info(obj_ctx, tenant_name, bucket_name, bucket_info, &mtime); + if (r < 0) { + return r; + } + + rgw_bucket& bucket = bucket_info.bucket; + + string bucket_ver, master_ver; + string max_marker; + int ret = store->get_bucket_stats(bucket_info, RGW_NO_SHARD, &bucket_ver, &master_ver, stats, &max_marker); + if (ret < 0) { + cerr << "error getting bucket stats bucket=" << bucket.name << " ret=" << ret << std::endl; + return ret; + } + + utime_t ut(mtime); + + formatter->open_object_section("stats"); + formatter->dump_string("bucket", bucket.name); + formatter->dump_int("num_shards", bucket_info.num_shards); + formatter->dump_string("tenant", bucket.tenant); + formatter->dump_string("zonegroup", bucket_info.zonegroup); + formatter->dump_string("placement_rule", bucket_info.placement_rule.to_str()); + ::encode_json("explicit_placement", bucket.explicit_placement, formatter); + formatter->dump_string("id", bucket.bucket_id); + formatter->dump_string("marker", bucket.marker); + formatter->dump_stream("index_type") << bucket_info.index_type; + ::encode_json("owner", bucket_info.owner, formatter); + formatter->dump_string("ver", bucket_ver); + formatter->dump_string("master_ver", master_ver); + ut.gmtime(formatter->dump_stream("mtime")); + formatter->dump_string("max_marker", max_marker); + dump_bucket_usage(stats, formatter); + encode_json("bucket_quota", bucket_info.quota, formatter); + formatter->close_section(); + + return 0; +} + +int RGWBucketAdminOp::limit_check(RGWRados *store, + RGWBucketAdminOpState& op_state, + const std::list<std::string>& user_ids, + RGWFormatterFlusher& flusher, + bool warnings_only) +{ + int ret = 0; + const size_t max_entries = + store->ctx()->_conf->rgw_list_buckets_max_chunk; + + const size_t safe_max_objs_per_shard = + store->ctx()->_conf->rgw_safe_max_objects_per_shard; + + uint16_t shard_warn_pct = + store->ctx()->_conf->rgw_shard_warning_threshold; + if (shard_warn_pct > 100) + shard_warn_pct = 90; + + Formatter *formatter = flusher.get_formatter(); + flusher.start(0); + + formatter->open_array_section("users"); + + for (const auto& user_id : user_ids) { + + formatter->open_object_section("user"); + formatter->dump_string("user_id", user_id); + formatter->open_array_section("buckets"); + + string marker; + bool is_truncated{false}; + do { + RGWUserBuckets buckets; + + ret = rgw_read_user_buckets(store, user_id, buckets, + marker, string(), max_entries, false, + &is_truncated); + if (ret < 0) + return ret; + + map<string, RGWBucketEnt>& m_buckets = buckets.get_buckets(); + + for (const auto& iter : m_buckets) { + auto& bucket = iter.second.bucket; + uint32_t num_shards = 1; + uint64_t num_objects = 0; + + /* need info for num_shards */ + RGWBucketInfo info; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + marker = bucket.name; /* Casey's location for marker update, + * as we may now not reach the end of + * the loop body */ + + ret = store->get_bucket_info(obj_ctx, bucket.tenant, bucket.name, + info, nullptr); + if (ret < 0) + continue; + + /* need stats for num_entries */ + string bucket_ver, master_ver; + std::map<RGWObjCategory, RGWStorageStats> stats; + ret = store->get_bucket_stats(info, RGW_NO_SHARD, &bucket_ver, + &master_ver, stats, nullptr); + + if (ret < 0) + continue; + + for (const auto& s : stats) { + num_objects += s.second.num_objects; + } + + num_shards = info.num_shards; + uint64_t objs_per_shard = + (num_shards) ? num_objects/num_shards : num_objects; + { + bool warn; + stringstream ss; + uint64_t fill_pct = objs_per_shard * 100 / safe_max_objs_per_shard; + if (fill_pct > 100) { + ss << "OVER " << fill_pct << "%"; + warn = true; + } else if (fill_pct >= shard_warn_pct) { + ss << "WARN " << fill_pct << "%"; + warn = true; + } else { + ss << "OK"; + warn = false; + } + + if (warn || !warnings_only) { + formatter->open_object_section("bucket"); + formatter->dump_string("bucket", bucket.name); + formatter->dump_string("tenant", bucket.tenant); + formatter->dump_int("num_objects", num_objects); + formatter->dump_int("num_shards", num_shards); + formatter->dump_int("objects_per_shard", objs_per_shard); + formatter->dump_string("fill_status", ss.str()); + formatter->close_section(); + } + } + } + formatter->flush(cout); + } while (is_truncated); /* foreach: bucket */ + + formatter->close_section(); + formatter->close_section(); + formatter->flush(cout); + + } /* foreach: user_id */ + + formatter->close_section(); + formatter->flush(cout); + + return ret; +} /* RGWBucketAdminOp::limit_check */ + +int RGWBucketAdminOp::info(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + RGWBucket bucket; + int ret = 0; + const std::string& bucket_name = op_state.get_bucket_name(); + if (!bucket_name.empty()) { + ret = bucket.init(store, op_state); + if (-ENOENT == ret) + return -ERR_NO_SUCH_BUCKET; + else if (ret < 0) + return ret; + } + + Formatter *formatter = flusher.get_formatter(); + flusher.start(0); + + CephContext *cct = store->ctx(); + + const size_t max_entries = cct->_conf->rgw_list_buckets_max_chunk; + + const bool show_stats = op_state.will_fetch_stats(); + const rgw_user& user_id = op_state.get_user_id(); + if (op_state.is_user_op()) { + formatter->open_array_section("buckets"); + + RGWUserBuckets buckets; + string marker; + const std::string empty_end_marker; + constexpr bool no_need_stats = false; // set need_stats to false + + bool is_truncated = false; + do { + buckets.clear(); + ret = rgw_read_user_buckets(store, op_state.get_user_id(), buckets, + marker, empty_end_marker, max_entries, no_need_stats, + &is_truncated); + if (ret < 0) { + return ret; + } + + const std::string* marker_cursor = nullptr; + map<string, RGWBucketEnt>& m = buckets.get_buckets(); + + for (const auto& i : m) { + const std::string& obj_name = i.first; + if (!bucket_name.empty() && bucket_name != obj_name) { + continue; + } + + if (show_stats) { + bucket_stats(store, user_id.tenant, obj_name, formatter); + } else { + formatter->dump_string("bucket", obj_name); + } + + marker_cursor = &obj_name; + } // for loop + if (marker_cursor) { + marker = *marker_cursor; + } + + flusher.flush(); + } while (is_truncated); + + formatter->close_section(); + } else if (!bucket_name.empty()) { + ret = bucket_stats(store, user_id.tenant, bucket_name, formatter); + if (ret < 0) { + return ret; + } + } else { + void *handle = nullptr; + bool truncated = true; + + formatter->open_array_section("buckets"); + ret = store->meta_mgr->list_keys_init("bucket", &handle); + while (ret == 0 && truncated) { + std::list<std::string> buckets; + constexpr int max_keys = 1000; + ret = store->meta_mgr->list_keys_next(handle, max_keys, buckets, + &truncated); + for (auto& bucket_name : buckets) { + if (show_stats) { + bucket_stats(store, user_id.tenant, bucket_name, formatter); + } else { + formatter->dump_string("bucket", bucket_name); + } + } + } + store->meta_mgr->list_keys_complete(handle); + + formatter->close_section(); + } + + flusher.flush(); + + return 0; +} + +int RGWBucketAdminOp::set_quota(RGWRados *store, RGWBucketAdminOpState& op_state) +{ + RGWBucket bucket; + + int ret = bucket.init(store, op_state); + if (ret < 0) + return ret; + return bucket.set_quota(op_state); +} + +static int purge_bucket_instance(RGWRados *store, const RGWBucketInfo& bucket_info) +{ + int max_shards = (bucket_info.num_shards > 0 ? bucket_info.num_shards : 1); + for (int i = 0; i < max_shards; i++) { + RGWRados::BucketShard bs(store); + int shard_id = (bucket_info.num_shards > 0 ? i : -1); + int ret = bs.init(bucket_info.bucket, shard_id, nullptr); + if (ret < 0) { + cerr << "ERROR: bs.init(bucket=" << bucket_info.bucket << ", shard=" << shard_id + << "): " << cpp_strerror(-ret) << std::endl; + return ret; + } + ret = store->bi_remove(bs); + if (ret < 0) { + cerr << "ERROR: failed to remove bucket index object: " + << cpp_strerror(-ret) << std::endl; + return ret; + } + } + return 0; +} + +inline auto split_tenant(const std::string& bucket_name){ + auto p = bucket_name.find('/'); + if(p != std::string::npos) { + return std::make_pair(bucket_name.substr(0,p), bucket_name.substr(p+1)); + } + return std::make_pair(std::string(), bucket_name); +} + +using bucket_instance_ls = std::vector<RGWBucketInfo>; +void get_stale_instances(RGWRados *store, const std::string& bucket_name, + const vector<std::string>& lst, + bucket_instance_ls& stale_instances) +{ + + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + bucket_instance_ls other_instances; +// first iterate over the entries, and pick up the done buckets; these +// are guaranteed to be stale + for (const auto& bucket_instance : lst){ + RGWBucketInfo binfo; + int r = store->get_bucket_instance_info(obj_ctx, bucket_instance, + binfo, nullptr,nullptr); + if (r < 0){ + // this can only happen if someone deletes us right when we're processing + lderr(store->ctx()) << "Bucket instance is invalid: " << bucket_instance + << cpp_strerror(-r) << dendl; + continue; + } + if (binfo.reshard_status == CLS_RGW_RESHARD_DONE) + stale_instances.emplace_back(std::move(binfo)); + else { + other_instances.emplace_back(std::move(binfo)); + } + } + + // Read the cur bucket info, if the bucket doesn't exist we can simply return + // all the instances + auto [tenant, bucket] = split_tenant(bucket_name); + RGWBucketInfo cur_bucket_info; + int r = store->get_bucket_info(obj_ctx, tenant, bucket, cur_bucket_info, nullptr); + if (r < 0) { + if (r == -ENOENT) { + // bucket doesn't exist, everything is stale then + stale_instances.insert(std::end(stale_instances), + std::make_move_iterator(other_instances.begin()), + std::make_move_iterator(other_instances.end())); + } else { + // all bets are off if we can't read the bucket, just return the sureshot stale instances + lderr(store->ctx()) << "error: reading bucket info for bucket: " + << bucket << cpp_strerror(-r) << dendl; + } + return; + } + + // Don't process further in this round if bucket is resharding + if (cur_bucket_info.reshard_status == CLS_RGW_RESHARD_IN_PROGRESS) + return; + + other_instances.erase(std::remove_if(other_instances.begin(), other_instances.end(), + [&cur_bucket_info](const RGWBucketInfo& b){ + return (b.bucket.bucket_id == cur_bucket_info.bucket.bucket_id || + b.bucket.bucket_id == cur_bucket_info.new_bucket_instance_id); + }), + other_instances.end()); + + // check if there are still instances left + if (other_instances.empty()) { + return; + } + + // Now we have a bucket with instances where the reshard status is none, this + // usually happens when the reshard process couldn't complete, lockdown the + // bucket and walk through these instances to make sure no one else interferes + // with these + { + RGWBucketReshardLock reshard_lock(store, cur_bucket_info, true); + r = reshard_lock.lock(); + if (r < 0) { + // most likely bucket is under reshard, return the sureshot stale instances + ldout(store->ctx(), 5) << __func__ + << "failed to take reshard lock; reshard underway likey" << dendl; + return; + } + auto sg = make_scope_guard([&reshard_lock](){ reshard_lock.unlock();} ); + // this should be fast enough that we may not need to renew locks and check + // exit status?, should we read the values of the instances again? + stale_instances.insert(std::end(stale_instances), + std::make_move_iterator(other_instances.begin()), + std::make_move_iterator(other_instances.end())); + } + + return; +} + +static int process_stale_instances(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher, + std::function<void(const bucket_instance_ls&, + Formatter *, + RGWRados*)> process_f) +{ + std::string marker; + void *handle; + Formatter *formatter = flusher.get_formatter(); + static constexpr auto default_max_keys = 1000; + + int ret = store->meta_mgr->list_keys_init("bucket.instance", marker, &handle); + if (ret < 0) { + cerr << "ERROR: can't get key: " << cpp_strerror(-ret) << std::endl; + return ret; + } + + bool truncated; + + formatter->open_array_section("keys"); + auto g = make_scope_guard([&store, &handle, &formatter]() { + store->meta_mgr->list_keys_complete(handle); + formatter->close_section(); // keys + formatter->flush(cout); + }); + + do { + list<std::string> keys; + + ret = store->meta_mgr->list_keys_next(handle, default_max_keys, keys, &truncated); + if (ret < 0 && ret != -ENOENT) { + cerr << "ERROR: lists_keys_next(): " << cpp_strerror(-ret) << std::endl; + return ret; + } if (ret != -ENOENT) { + // partition the list of buckets by buckets as the listing is un sorted, + // since it would minimize the reads to bucket_info + std::unordered_map<std::string, std::vector<std::string>> bucket_instance_map; + for (auto &key: keys) { + auto pos = key.find(':'); + if(pos != std::string::npos) + bucket_instance_map[key.substr(0,pos)].emplace_back(std::move(key)); + } + for (const auto& kv: bucket_instance_map) { + bucket_instance_ls stale_lst; + get_stale_instances(store, kv.first, kv.second, stale_lst); + process_f(stale_lst, formatter, store); + } + } + } while (truncated); + + return 0; +} + +int RGWBucketAdminOp::list_stale_instances(RGWRados *store, + RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + auto process_f = [](const bucket_instance_ls& lst, + Formatter *formatter, + RGWRados*){ + for (const auto& binfo: lst) + formatter->dump_string("key", binfo.bucket.get_key()); + }; + return process_stale_instances(store, op_state, flusher, process_f); +} + + +int RGWBucketAdminOp::clear_stale_instances(RGWRados *store, + RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + auto process_f = [](const bucket_instance_ls& lst, + Formatter *formatter, + RGWRados *store){ + for (const auto &binfo: lst) { + int ret = purge_bucket_instance(store, binfo); + if (ret == 0){ + auto md_key = "bucket.instance:" + binfo.bucket.get_key(); + ret = store->meta_mgr->remove(md_key); + } + formatter->open_object_section("delete_status"); + formatter->dump_string("bucket_instance", binfo.bucket.get_key()); + formatter->dump_int("status", -ret); + formatter->close_section(); + } + }; + + return process_stale_instances(store, op_state, flusher, process_f); +} + +static int fix_single_bucket_lc(RGWRados *store, + const std::string& tenant_name, + const std::string& bucket_name) +{ + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + RGWBucketInfo bucket_info; + map <std::string, bufferlist> bucket_attrs; + int ret = store->get_bucket_info(obj_ctx, tenant_name, bucket_name, + bucket_info, nullptr, &bucket_attrs); + if (ret < 0) { + // TODO: Should we handle the case where the bucket could've been removed between + // listing and fetching? + return ret; + } + + return rgw::lc::fix_lc_shard_entry(store, bucket_info, bucket_attrs); +} + +static void format_lc_status(Formatter* formatter, + const std::string& tenant_name, + const std::string& bucket_name, + int status) +{ + formatter->open_object_section("bucket_entry"); + std::string entry = tenant_name.empty() ? bucket_name : tenant_name + "/" + bucket_name; + formatter->dump_string("bucket", entry); + formatter->dump_int("status", status); + formatter->close_section(); // bucket_entry +} + +static void process_single_lc_entry(RGWRados *store, Formatter *formatter, + const std::string& tenant_name, + const std::string& bucket_name) +{ + int ret = fix_single_bucket_lc(store, tenant_name, bucket_name); + format_lc_status(formatter, tenant_name, bucket_name, -ret); +} + +int RGWBucketAdminOp::fix_lc_shards(RGWRados *store, + RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher) +{ + std::string marker; + void *handle; + Formatter *formatter = flusher.get_formatter(); + static constexpr auto default_max_keys = 1000; + + bool truncated; + if (const std::string& bucket_name = op_state.get_bucket_name(); + ! bucket_name.empty()) { + const rgw_user user_id = op_state.get_user_id(); + process_single_lc_entry(store, formatter, user_id.tenant, bucket_name); + formatter->flush(cout); + } else { + int ret = store->meta_mgr->list_keys_init("bucket", marker, &handle); + if (ret < 0) { + std::cerr << "ERROR: can't get key: " << cpp_strerror(-ret) << std::endl; + return ret; + } + + { + formatter->open_array_section("lc_fix_status"); + auto sg = make_scope_guard([&store, &handle, &formatter](){ + store->meta_mgr->list_keys_complete(handle); + formatter->close_section(); // lc_fix_status + formatter->flush(cout); + }); + do { + list<std::string> keys; + ret = store->meta_mgr->list_keys_next(handle, default_max_keys, keys, &truncated); + if (ret < 0 && ret != -ENOENT) { + std::cerr << "ERROR: lists_keys_next(): " << cpp_strerror(-ret) << std::endl; + return ret; + } if (ret != -ENOENT) { + for (const auto &key:keys) { + auto [tenant_name, bucket_name] = split_tenant(key); + process_single_lc_entry(store, formatter, tenant_name, bucket_name); + } + } + formatter->flush(cout); // regularly flush every 1k entries + } while (truncated); + } + + } + return 0; + +} + +static bool has_object_expired(RGWRados *store, const RGWBucketInfo& bucket_info, + const rgw_obj_key& key, utime_t& delete_at) +{ + rgw_obj obj(bucket_info.bucket, key); + bufferlist delete_at_bl; + + int ret = rgw_object_get_attr(store, bucket_info, obj, RGW_ATTR_DELETE_AT, delete_at_bl); + if (ret < 0) { + return false; // no delete at attr, proceed + } + + ret = decode_bl(delete_at_bl, delete_at); + if (ret < 0) { + return false; // failed to parse + } + + if (delete_at <= ceph_clock_now() && !delete_at.is_zero()) { + return true; + } + + return false; +} + +static int fix_bucket_obj_expiry(RGWRados *store, const RGWBucketInfo& bucket_info, + RGWFormatterFlusher& flusher, bool dry_run) +{ + if (bucket_info.bucket.bucket_id == bucket_info.bucket.marker) { + lderr(store->ctx()) << "Not a resharded bucket skipping" << dendl; + return 0; // not a resharded bucket, move along + } + + Formatter *formatter = flusher.get_formatter(); + formatter->open_array_section("expired_deletion_status"); + auto sg = make_scope_guard([&formatter] { + formatter->close_section(); + formatter->flush(std::cout); + }); + + RGWRados::Bucket target(store, bucket_info); + RGWRados::Bucket::List list_op(&target); + + list_op.params.list_versions = bucket_info.versioned(); + list_op.params.allow_unordered = true; + + constexpr auto max_objects = 1000; + bool is_truncated {false}; + do { + std::vector<rgw_bucket_dir_entry> objs; + + int ret = list_op.list_objects(max_objects, &objs, nullptr, &is_truncated); + if (ret < 0) { + lderr(store->ctx()) << "ERROR failed to list objects in the bucket" << dendl; + return ret; + } + for (const auto& obj : objs) { + rgw_obj_key key(obj.key); + utime_t delete_at; + if (has_object_expired(store, bucket_info, key, delete_at)) { + formatter->open_object_section("object_status"); + formatter->dump_string("object", key.name); + formatter->dump_stream("delete_at") << delete_at; + + if (!dry_run) { + ret = rgw_remove_object(store, bucket_info, bucket_info.bucket, key); + formatter->dump_int("status", ret); + } + + formatter->close_section(); // object_status + } + } + formatter->flush(cout); // regularly flush every 1k entries + } while (is_truncated); + + return 0; +} + +int RGWBucketAdminOp::fix_obj_expiry(RGWRados *store, RGWBucketAdminOpState& op_state, + RGWFormatterFlusher& flusher, bool dry_run) +{ + RGWBucket admin_bucket; + int ret = admin_bucket.init(store, op_state); + if (ret < 0) { + lderr(store->ctx()) << "failed to initialize bucket" << dendl; + return ret; + } + + return fix_bucket_obj_expiry(store, admin_bucket.get_bucket_info(), flusher, dry_run); +} + +void rgw_data_change::dump(Formatter *f) const +{ + string type; + switch (entity_type) { + case ENTITY_TYPE_BUCKET: + type = "bucket"; + break; + default: + type = "unknown"; + } + encode_json("entity_type", type, f); + encode_json("key", key, f); + utime_t ut(timestamp); + encode_json("timestamp", ut, f); +} + +void rgw_data_change::decode_json(JSONObj *obj) { + string s; + JSONDecoder::decode_json("entity_type", s, obj); + if (s == "bucket") { + entity_type = ENTITY_TYPE_BUCKET; + } else { + entity_type = ENTITY_TYPE_UNKNOWN; + } + JSONDecoder::decode_json("key", key, obj); + utime_t ut; + JSONDecoder::decode_json("timestamp", ut, obj); + timestamp = ut.to_real_time(); +} + +void rgw_data_change_log_entry::dump(Formatter *f) const +{ + encode_json("log_id", log_id, f); + utime_t ut(log_timestamp); + encode_json("log_timestamp", ut, f); + encode_json("entry", entry, f); +} + +void rgw_data_change_log_entry::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("log_id", log_id, obj); + utime_t ut; + JSONDecoder::decode_json("log_timestamp", ut, obj); + log_timestamp = ut.to_real_time(); + JSONDecoder::decode_json("entry", entry, obj); +} + +int RGWDataChangesLog::choose_oid(const rgw_bucket_shard& bs) { + const string& name = bs.bucket.name; + int shard_shift = (bs.shard_id > 0 ? bs.shard_id : 0); + uint32_t r = (ceph_str_hash_linux(name.c_str(), name.size()) + shard_shift) % num_shards; + + return (int)r; +} + +int RGWDataChangesLog::renew_entries() +{ + if (!store->svc.zone->need_to_log_data()) + return 0; + + /* we can't keep the bucket name as part of the cls_log_entry, and we need + * it later, so we keep two lists under the map */ + map<int, pair<list<rgw_bucket_shard>, list<cls_log_entry> > > m; + + lock.Lock(); + map<rgw_bucket_shard, bool> entries; + entries.swap(cur_cycle); + lock.Unlock(); + + map<rgw_bucket_shard, bool>::iterator iter; + string section; + real_time ut = real_clock::now(); + for (iter = entries.begin(); iter != entries.end(); ++iter) { + const rgw_bucket_shard& bs = iter->first; + + int index = choose_oid(bs); + + cls_log_entry entry; + + rgw_data_change change; + bufferlist bl; + change.entity_type = ENTITY_TYPE_BUCKET; + change.key = bs.get_key(); + change.timestamp = ut; + encode(change, bl); + + store->time_log_prepare_entry(entry, ut, section, change.key, bl); + + m[index].first.push_back(bs); + m[index].second.emplace_back(std::move(entry)); + } + + map<int, pair<list<rgw_bucket_shard>, list<cls_log_entry> > >::iterator miter; + for (miter = m.begin(); miter != m.end(); ++miter) { + list<cls_log_entry>& entries = miter->second.second; + + real_time now = real_clock::now(); + + int ret = store->time_log_add(oids[miter->first], entries, NULL); + if (ret < 0) { + /* we don't really need to have a special handling for failed cases here, + * as this is just an optimization. */ + lderr(cct) << "ERROR: store->time_log_add() returned " << ret << dendl; + return ret; + } + + real_time expiration = now; + expiration += make_timespan(cct->_conf->rgw_data_log_window); + + list<rgw_bucket_shard>& buckets = miter->second.first; + list<rgw_bucket_shard>::iterator liter; + for (liter = buckets.begin(); liter != buckets.end(); ++liter) { + update_renewed(*liter, expiration); + } + } + + return 0; +} + +void RGWDataChangesLog::_get_change(const rgw_bucket_shard& bs, ChangeStatusPtr& status) +{ + ceph_assert(lock.is_locked()); + if (!changes.find(bs, status)) { + status = ChangeStatusPtr(new ChangeStatus); + changes.add(bs, status); + } +} + +void RGWDataChangesLog::register_renew(rgw_bucket_shard& bs) +{ + Mutex::Locker l(lock); + cur_cycle[bs] = true; +} + +void RGWDataChangesLog::update_renewed(rgw_bucket_shard& bs, real_time& expiration) +{ + Mutex::Locker l(lock); + ChangeStatusPtr status; + _get_change(bs, status); + + ldout(cct, 20) << "RGWDataChangesLog::update_renewd() bucket_name=" << bs.bucket.name << " shard_id=" << bs.shard_id << " expiration=" << expiration << dendl; + status->cur_expiration = expiration; +} + +int RGWDataChangesLog::get_log_shard_id(rgw_bucket& bucket, int shard_id) { + rgw_bucket_shard bs(bucket, shard_id); + + return choose_oid(bs); +} + +int RGWDataChangesLog::add_entry(rgw_bucket& bucket, int shard_id) { + if (!store->svc.zone->need_to_log_data()) + return 0; + + if (observer) { + observer->on_bucket_changed(bucket.get_key()); + } + + rgw_bucket_shard bs(bucket, shard_id); + + int index = choose_oid(bs); + mark_modified(index, bs); + + lock.Lock(); + + ChangeStatusPtr status; + _get_change(bs, status); + + lock.Unlock(); + + real_time now = real_clock::now(); + + status->lock->Lock(); + + ldout(cct, 20) << "RGWDataChangesLog::add_entry() bucket.name=" << bucket.name << " shard_id=" << shard_id << " now=" << now << " cur_expiration=" << status->cur_expiration << dendl; + + if (now < status->cur_expiration) { + /* no need to send, recently completed */ + status->lock->Unlock(); + + register_renew(bs); + return 0; + } + + RefCountedCond *cond; + + if (status->pending) { + cond = status->cond; + + ceph_assert(cond); + + status->cond->get(); + status->lock->Unlock(); + + int ret = cond->wait(); + cond->put(); + if (!ret) { + register_renew(bs); + } + return ret; + } + + status->cond = new RefCountedCond; + status->pending = true; + + string& oid = oids[index]; + real_time expiration; + + int ret; + + do { + status->cur_sent = now; + + expiration = now; + expiration += ceph::make_timespan(cct->_conf->rgw_data_log_window); + + status->lock->Unlock(); + + bufferlist bl; + rgw_data_change change; + change.entity_type = ENTITY_TYPE_BUCKET; + change.key = bs.get_key(); + change.timestamp = now; + encode(change, bl); + string section; + + ldout(cct, 20) << "RGWDataChangesLog::add_entry() sending update with now=" << now << " cur_expiration=" << expiration << dendl; + + ret = store->time_log_add(oid, now, section, change.key, bl); + + now = real_clock::now(); + + status->lock->Lock(); + + } while (!ret && real_clock::now() > expiration); + + cond = status->cond; + + status->pending = false; + status->cur_expiration = status->cur_sent; /* time of when operation started, not completed */ + status->cur_expiration += make_timespan(cct->_conf->rgw_data_log_window); + status->cond = NULL; + status->lock->Unlock(); + + cond->done(ret); + cond->put(); + + return ret; +} + +int RGWDataChangesLog::list_entries(int shard, const real_time& start_time, const real_time& end_time, int max_entries, + list<rgw_data_change_log_entry>& entries, + const string& marker, + string *out_marker, + bool *truncated) { + if (shard >= num_shards) + return -EINVAL; + + list<cls_log_entry> log_entries; + + int ret = store->time_log_list(oids[shard], start_time, end_time, + max_entries, log_entries, marker, + out_marker, truncated); + if (ret < 0) + return ret; + + list<cls_log_entry>::iterator iter; + for (iter = log_entries.begin(); iter != log_entries.end(); ++iter) { + rgw_data_change_log_entry log_entry; + log_entry.log_id = iter->id; + real_time rt = iter->timestamp.to_real_time(); + log_entry.log_timestamp = rt; + auto liter = iter->data.cbegin(); + try { + decode(log_entry.entry, liter); + } catch (buffer::error& err) { + lderr(cct) << "ERROR: failed to decode data changes log entry" << dendl; + return -EIO; + } + entries.push_back(log_entry); + } + + return 0; +} + +int RGWDataChangesLog::list_entries(const real_time& start_time, const real_time& end_time, int max_entries, + list<rgw_data_change_log_entry>& entries, LogMarker& marker, bool *ptruncated) { + bool truncated; + entries.clear(); + + for (; marker.shard < num_shards && (int)entries.size() < max_entries; + marker.shard++, marker.marker.clear()) { + int ret = list_entries(marker.shard, start_time, end_time, max_entries - entries.size(), entries, + marker.marker, NULL, &truncated); + if (ret == -ENOENT) { + continue; + } + if (ret < 0) { + return ret; + } + if (truncated) { + *ptruncated = true; + return 0; + } + } + + *ptruncated = (marker.shard < num_shards); + + return 0; +} + +int RGWDataChangesLog::get_info(int shard_id, RGWDataChangesLogInfo *info) +{ + if (shard_id >= num_shards) + return -EINVAL; + + string oid = oids[shard_id]; + + cls_log_header header; + + int ret = store->time_log_info(oid, &header); + if ((ret < 0) && (ret != -ENOENT)) + return ret; + + info->marker = header.max_marker; + info->last_update = header.max_time.to_real_time(); + + return 0; +} + +int RGWDataChangesLog::trim_entries(int shard_id, const real_time& start_time, const real_time& end_time, + const string& start_marker, const string& end_marker) +{ + if (shard_id > num_shards) + return -EINVAL; + + return store->time_log_trim(oids[shard_id], start_time, end_time, + start_marker, end_marker, nullptr); +} + +int RGWDataChangesLog::lock_exclusive(int shard_id, timespan duration, string& zone_id, string& owner_id) { + return store->lock_exclusive(store->svc.zone->get_zone_params().log_pool, oids[shard_id], duration, zone_id, owner_id); +} + +int RGWDataChangesLog::unlock(int shard_id, string& zone_id, string& owner_id) { + return store->unlock(store->svc.zone->get_zone_params().log_pool, oids[shard_id], zone_id, owner_id); +} + +bool RGWDataChangesLog::going_down() +{ + return down_flag; +} + +RGWDataChangesLog::~RGWDataChangesLog() { + down_flag = true; + renew_thread->stop(); + renew_thread->join(); + delete renew_thread; + delete[] oids; +} + +void *RGWDataChangesLog::ChangesRenewThread::entry() { + do { + dout(2) << "RGWDataChangesLog::ChangesRenewThread: start" << dendl; + int r = log->renew_entries(); + if (r < 0) { + dout(0) << "ERROR: RGWDataChangesLog::renew_entries returned error r=" << r << dendl; + } + + if (log->going_down()) + break; + + int interval = cct->_conf->rgw_data_log_window * 3 / 4; + lock.Lock(); + cond.WaitInterval(lock, utime_t(interval, 0)); + lock.Unlock(); + } while (!log->going_down()); + + return NULL; +} + +void RGWDataChangesLog::ChangesRenewThread::stop() +{ + Mutex::Locker l(lock); + cond.Signal(); +} + +void RGWDataChangesLog::mark_modified(int shard_id, const rgw_bucket_shard& bs) +{ + auto key = bs.get_key(); + modified_lock.get_read(); + map<int, set<string> >::iterator iter = modified_shards.find(shard_id); + if (iter != modified_shards.end()) { + set<string>& keys = iter->second; + if (keys.find(key) != keys.end()) { + modified_lock.unlock(); + return; + } + } + modified_lock.unlock(); + + RWLock::WLocker wl(modified_lock); + modified_shards[shard_id].insert(key); +} + +void RGWDataChangesLog::read_clear_modified(map<int, set<string> > &modified) +{ + RWLock::WLocker wl(modified_lock); + modified.swap(modified_shards); + modified_shards.clear(); +} + +void RGWBucketCompleteInfo::dump(Formatter *f) const { + encode_json("bucket_info", info, f); + encode_json("attrs", attrs, f); +} + +void RGWBucketCompleteInfo::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("bucket_info", info, obj); + JSONDecoder::decode_json("attrs", attrs, obj); +} + +class RGWBucketMetadataHandler : public RGWMetadataHandler { + +public: + string get_type() override { return "bucket"; } + + int get(RGWRados *store, string& entry, RGWMetadataObject **obj) override { + RGWObjVersionTracker ot; + RGWBucketEntryPoint be; + + real_time mtime; + map<string, bufferlist> attrs; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + string tenant_name, bucket_name; + parse_bucket(entry, &tenant_name, &bucket_name); + int ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, be, &ot, &mtime, &attrs); + if (ret < 0) + return ret; + + RGWBucketEntryMetadataObject *mdo = new RGWBucketEntryMetadataObject(be, ot.read_version, mtime); + + *obj = mdo; + + return 0; + } + + int put(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker, + real_time mtime, JSONObj *obj, sync_type_t sync_type) override { + RGWBucketEntryPoint be, old_be; + try { + decode_json_obj(be, obj); + } catch (JSONDecoder::err& e) { + return -EINVAL; + } + + real_time orig_mtime; + map<string, bufferlist> attrs; + + RGWObjVersionTracker old_ot; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + string tenant_name, bucket_name; + parse_bucket(entry, &tenant_name, &bucket_name); + int ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, old_be, &old_ot, &orig_mtime, &attrs); + if (ret < 0 && ret != -ENOENT) + return ret; + + // are we actually going to perform this put, or is it too old? + if (ret != -ENOENT && + !check_versions(old_ot.read_version, orig_mtime, + objv_tracker.write_version, mtime, sync_type)) { + return STATUS_NO_APPLY; + } + + objv_tracker.read_version = old_ot.read_version; /* maintain the obj version we just read */ + + ret = store->put_bucket_entrypoint_info(tenant_name, bucket_name, be, false, objv_tracker, mtime, &attrs); + if (ret < 0) + return ret; + + /* link bucket */ + if (be.linked) { + ret = rgw_link_bucket(store, be.owner, be.bucket, be.creation_time, false); + } else { + ret = rgw_unlink_bucket(store, be.owner, be.bucket.tenant, + be.bucket.name, false); + } + + return ret; + } + + struct list_keys_info { + RGWRados *store; + RGWListRawObjsCtx ctx; + }; + + int remove(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker) override { + RGWBucketEntryPoint be; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + string tenant_name, bucket_name; + parse_bucket(entry, &tenant_name, &bucket_name); + int ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, be, &objv_tracker, NULL, NULL); + if (ret < 0) + return ret; + + /* + * We're unlinking the bucket but we don't want to update the entrypoint here - we're removing + * it immediately and don't want to invalidate our cached objv_version or the bucket obj removal + * will incorrectly fail. + */ + ret = rgw_unlink_bucket(store, be.owner, tenant_name, bucket_name, false); + if (ret < 0) { + lderr(store->ctx()) << "could not unlink bucket=" << entry << " owner=" << be.owner << dendl; + } + + ret = rgw_bucket_delete_bucket_obj(store, tenant_name, bucket_name, objv_tracker); + if (ret < 0) { + lderr(store->ctx()) << "could not delete bucket=" << entry << dendl; + } + /* idempotent */ + return 0; + } + + void get_pool_and_oid(RGWRados *store, const string& key, rgw_pool& pool, string& oid) override { + oid = key; + pool = store->svc.zone->get_zone_params().domain_root; + } + + int list_keys_init(RGWRados *store, const string& marker, void **phandle) override { + auto info = std::make_unique<list_keys_info>(); + + info->store = store; + + int ret = store->list_raw_objects_init(store->svc.zone->get_zone_params().domain_root, marker, + &info->ctx); + if (ret < 0) { + return ret; + } + *phandle = (void *)info.release(); + + return 0; + } + + int list_keys_next(void *handle, int max, list<string>& keys, bool *truncated) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + + string no_filter; + + keys.clear(); + + RGWRados *store = info->store; + + list<string> unfiltered_keys; + + int ret = store->list_raw_objects_next(no_filter, max, info->ctx, + unfiltered_keys, truncated); + if (ret < 0 && ret != -ENOENT) + return ret; + if (ret == -ENOENT) { + if (truncated) + *truncated = false; + return 0; + } + + // now filter out the system entries + list<string>::iterator iter; + for (iter = unfiltered_keys.begin(); iter != unfiltered_keys.end(); ++iter) { + string& k = *iter; + + if (k[0] != '.') { + keys.push_back(k); + } + } + + return 0; + } + + void list_keys_complete(void *handle) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + delete info; + } + + string get_marker(void *handle) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + return info->store->list_raw_objs_get_cursor(info->ctx); + } +}; + +void get_md5_digest(const RGWBucketEntryPoint *be, string& md5_digest) { + + char md5[CEPH_CRYPTO_MD5_DIGESTSIZE * 2 + 1]; + unsigned char m[CEPH_CRYPTO_MD5_DIGESTSIZE]; + bufferlist bl; + + Formatter *f = new JSONFormatter(false); + be->dump(f); + f->flush(bl); + + MD5 hash; + hash.Update((const unsigned char *)bl.c_str(), bl.length()); + hash.Final(m); + + buf_to_hex(m, CEPH_CRYPTO_MD5_DIGESTSIZE, md5); + + delete f; + + md5_digest = md5; +} + +#define ARCHIVE_META_ATTR RGW_ATTR_PREFIX "zone.archive.info" + +struct archive_meta_info { + rgw_bucket orig_bucket; + + bool from_attrs(CephContext *cct, map<string, bufferlist>& attrs) { + auto iter = attrs.find(ARCHIVE_META_ATTR); + if (iter == attrs.end()) { + return false; + } + + auto bliter = iter->second.cbegin(); + try { + decode(bliter); + } catch (buffer::error& err) { + ldout(cct, 0) << "ERROR: failed to decode archive meta info" << dendl; + return false; + } + + return true; + } + + void store_in_attrs(map<string, bufferlist>& attrs) const { + encode(attrs[ARCHIVE_META_ATTR]); + } + + void encode(bufferlist& bl) const { + ENCODE_START(1, 1, bl); + encode(orig_bucket, bl); + ENCODE_FINISH(bl); + } + + void decode(bufferlist::const_iterator& bl) { + DECODE_START(1, bl); + decode(orig_bucket, bl); + DECODE_FINISH(bl); + } +}; +WRITE_CLASS_ENCODER(archive_meta_info) + +class RGWArchiveBucketMetadataHandler : public RGWBucketMetadataHandler { +public: + int remove(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker) override { + ldout(store->ctx(), 5) << "SKIP: bucket removal is not allowed on archive zone: bucket:" << entry << " ... proceeding to rename" << dendl; + + string tenant_name, bucket_name; + parse_bucket(entry, &tenant_name, &bucket_name); + + real_time mtime; + + /* read original entrypoint */ + + RGWBucketEntryPoint be; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + map<string, bufferlist> attrs; + int ret = store->get_bucket_entrypoint_info(obj_ctx, tenant_name, bucket_name, be, &objv_tracker, &mtime, &attrs); + if (ret < 0) { + return ret; + } + + string meta_name = bucket_name + ":" + be.bucket.bucket_id; + + /* read original bucket instance info */ + + map<string, bufferlist> attrs_m; + ceph::real_time orig_mtime; + RGWBucketInfo old_bi; + + ret = store->get_bucket_instance_info(obj_ctx, be.bucket, old_bi, &orig_mtime, &attrs_m); + if (ret < 0) { + return ret; + } + + archive_meta_info ami; + + if (!ami.from_attrs(store->ctx(), attrs_m)) { + ami.orig_bucket = old_bi.bucket; + ami.store_in_attrs(attrs_m); + } + + /* generate a new bucket instance. We could have avoided this if we could just point a new + * bucket entry point to the old bucket instance, however, due to limitation in the way + * we index buckets under the user, bucket entrypoint and bucket instance of the same + * bucket need to have the same name, so we need to copy the old bucket instance into + * to a new entry with the new name + */ + + string new_bucket_name; + + RGWBucketInfo new_bi = old_bi; + RGWBucketEntryPoint new_be = be; + + string md5_digest; + + get_md5_digest(&new_be, md5_digest); + new_bucket_name = ami.orig_bucket.name + "-deleted-" + md5_digest; + + new_bi.bucket.name = new_bucket_name; + new_bi.objv_tracker.clear(); + + new_be.bucket.name = new_bucket_name; + + ret = store->put_bucket_instance_info(new_bi, false, orig_mtime, &attrs_m); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: failed to put new bucket instance info for bucket=" << new_bi.bucket << " ret=" << ret << dendl; + return ret; + } + + /* store a new entrypoint */ + + RGWObjVersionTracker ot; + ot.generate_new_write_ver(store->ctx()); + + ret = store->put_bucket_entrypoint_info(tenant_name, new_bucket_name, new_be, true, ot, mtime, &attrs); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: failed to put new bucket entrypoint for bucket=" << new_be.bucket << " ret=" << ret << dendl; + return ret; + } + + /* link new bucket */ + + ret = rgw_link_bucket(store, new_be.owner, new_be.bucket, new_be.creation_time, false); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: failed to link new bucket for bucket=" << new_be.bucket << " ret=" << ret << dendl; + return ret; + } + + /* clean up old stuff */ + + ret = rgw_unlink_bucket(store, be.owner, tenant_name, bucket_name, false); + if (ret < 0) { + lderr(store->ctx()) << "could not unlink bucket=" << entry << " owner=" << be.owner << dendl; + } + + // if (ret == -ECANCELED) it means that there was a race here, and someone + // wrote to the bucket entrypoint just before we removed it. The question is + // whether it was a newly created bucket entrypoint ... in which case we + // should ignore the error and move forward, or whether it is a higher version + // of the same bucket instance ... in which we should retry + ret = rgw_bucket_delete_bucket_obj(store, tenant_name, bucket_name, objv_tracker); + if (ret < 0) { + lderr(store->ctx()) << "could not delete bucket=" << entry << dendl; + } + + ret = rgw_delete_system_obj(store, store->svc.zone->get_zone_params().domain_root, RGW_BUCKET_INSTANCE_MD_PREFIX + meta_name, NULL); + + /* idempotent */ + + return 0; + } + + int put(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker, + real_time mtime, JSONObj *obj, sync_type_t sync_type) override { + if (entry.find("-deleted-") != string::npos) { + RGWObjVersionTracker ot; + RGWMetadataObject *robj; + int ret = get(store, entry, &robj); + if (ret != -ENOENT) { + if (ret < 0) { + return ret; + } + ot.read_version = robj->get_version(); + delete robj; + + ret = remove(store, entry, ot); + if (ret < 0) { + return ret; + } + } + } + + return RGWBucketMetadataHandler::put(store, entry, objv_tracker, + mtime, obj, sync_type); + } + +}; + +class RGWBucketInstanceMetadataHandler : public RGWMetadataHandler { + +public: + string get_type() override { return "bucket.instance"; } + + int get(RGWRados *store, string& oid, RGWMetadataObject **obj) override { + RGWBucketCompleteInfo bci; + + real_time mtime; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + int ret = store->get_bucket_instance_info(obj_ctx, oid, bci.info, &mtime, &bci.attrs); + if (ret < 0) + return ret; + + RGWBucketInstanceMetadataObject *mdo = new RGWBucketInstanceMetadataObject(bci, bci.info.objv_tracker.read_version, mtime); + + *obj = mdo; + + return 0; + } + + int put(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker, + real_time mtime, JSONObj *obj, sync_type_t sync_type) override { + RGWBucketCompleteInfo bci, old_bci; + try { + decode_json_obj(bci, obj); + } catch (JSONDecoder::err& e) { + return -EINVAL; + } + + real_time orig_mtime; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + int ret = store->get_bucket_instance_info(obj_ctx, entry, old_bci.info, + &orig_mtime, &old_bci.attrs); + bool exists = (ret != -ENOENT); + if (ret < 0 && exists) + return ret; + + if (!exists || old_bci.info.bucket.bucket_id != bci.info.bucket.bucket_id) { + /* a new bucket, we need to select a new bucket placement for it */ + auto key(entry); + rgw_bucket_instance_oid_to_key(key); + string tenant_name; + string bucket_name; + string bucket_instance; + parse_bucket(key, &tenant_name, &bucket_name, &bucket_instance); + + RGWZonePlacementInfo rule_info; + bci.info.bucket.name = bucket_name; + bci.info.bucket.bucket_id = bucket_instance; + bci.info.bucket.tenant = tenant_name; + ret = store->svc.zone->select_bucket_location_by_rule(bci.info.placement_rule, &rule_info); + if (ret < 0) { + ldout(store->ctx(), 0) << "ERROR: select_bucket_placement() returned " << ret << dendl; + return ret; + } + bci.info.index_type = rule_info.index_type; + } else { + /* existing bucket, keep its placement */ + bci.info.bucket.explicit_placement = old_bci.info.bucket.explicit_placement; + bci.info.placement_rule = old_bci.info.placement_rule; + } + + if (exists && old_bci.info.datasync_flag_enabled() != bci.info.datasync_flag_enabled()) { + int shards_num = bci.info.num_shards? bci.info.num_shards : 1; + int shard_id = bci.info.num_shards? 0 : -1; + + if (!bci.info.datasync_flag_enabled()) { + ret = store->stop_bi_log_entries(bci.info, -1); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: failed writing bilog" << dendl; + return ret; + } + } else { + ret = store->resync_bi_log_entries(bci.info, -1); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: failed writing bilog" << dendl; + return ret; + } + } + + for (int i = 0; i < shards_num; ++i, ++shard_id) { + ret = store->data_log->add_entry(bci.info.bucket, shard_id); + if (ret < 0) { + lderr(store->ctx()) << "ERROR: failed writing data log" << dendl; + return ret; + } + } + } + + // are we actually going to perform this put, or is it too old? + if (exists && + !check_versions(old_bci.info.objv_tracker.read_version, orig_mtime, + objv_tracker.write_version, mtime, sync_type)) { + objv_tracker.read_version = old_bci.info.objv_tracker.read_version; + return STATUS_NO_APPLY; + } + + /* record the read version (if any), store the new version */ + bci.info.objv_tracker.read_version = old_bci.info.objv_tracker.read_version; + bci.info.objv_tracker.write_version = objv_tracker.write_version; + + ret = store->put_bucket_instance_info(bci.info, false, mtime, &bci.attrs); + if (ret < 0) + return ret; + + objv_tracker = bci.info.objv_tracker; + + ret = store->init_bucket_index(bci.info, bci.info.num_shards); + if (ret < 0) + return ret; + + return STATUS_APPLIED; + } + + struct list_keys_info { + RGWRados *store; + RGWListRawObjsCtx ctx; + }; + + int remove(RGWRados *store, string& entry, + RGWObjVersionTracker& objv_tracker) override { + RGWBucketInfo info; + auto obj_ctx = store->svc.sysobj->init_obj_ctx(); + + int ret = store->get_bucket_instance_info(obj_ctx, entry, info, NULL, NULL); + if (ret < 0 && ret != -ENOENT) + return ret; + + return rgw_bucket_instance_remove_entry(store, entry, + &info.objv_tracker); + } + + void get_pool_and_oid(RGWRados *store, const string& key, rgw_pool& pool, string& oid) override { + oid = RGW_BUCKET_INSTANCE_MD_PREFIX + key; + rgw_bucket_instance_key_to_oid(oid); + pool = store->svc.zone->get_zone_params().domain_root; + } + + int list_keys_init(RGWRados *store, const string& marker, void **phandle) override { + auto info = std::make_unique<list_keys_info>(); + + info->store = store; + + int ret = store->list_raw_objects_init(store->svc.zone->get_zone_params().domain_root, marker, + &info->ctx); + if (ret < 0) { + return ret; + } + *phandle = (void *)info.release(); + + return 0; + } + + int list_keys_next(void *handle, int max, list<string>& keys, bool *truncated) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + + string no_filter; + + keys.clear(); + + RGWRados *store = info->store; + + list<string> unfiltered_keys; + + int ret = store->list_raw_objects_next(no_filter, max, info->ctx, + unfiltered_keys, truncated); + if (ret < 0 && ret != -ENOENT) + return ret; + if (ret == -ENOENT) { + if (truncated) + *truncated = false; + return 0; + } + + constexpr int prefix_size = sizeof(RGW_BUCKET_INSTANCE_MD_PREFIX) - 1; + // now filter in the relevant entries + list<string>::iterator iter; + for (iter = unfiltered_keys.begin(); iter != unfiltered_keys.end(); ++iter) { + string& k = *iter; + + if (k.compare(0, prefix_size, RGW_BUCKET_INSTANCE_MD_PREFIX) == 0) { + auto oid = k.substr(prefix_size); + rgw_bucket_instance_oid_to_key(oid); + keys.emplace_back(std::move(oid)); + } + } + + return 0; + } + + void list_keys_complete(void *handle) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + delete info; + } + + string get_marker(void *handle) override { + list_keys_info *info = static_cast<list_keys_info *>(handle); + return info->store->list_raw_objs_get_cursor(info->ctx); + } + + /* + * hash entry for mdlog placement. Use the same hash key we'd have for the bucket entry + * point, so that the log entries end up at the same log shard, so that we process them + * in order + */ + void get_hash_key(const string& section, const string& key, string& hash_key) override { + string k; + int pos = key.find(':'); + if (pos < 0) + k = key; + else + k = key.substr(0, pos); + hash_key = "bucket:" + k; + } +}; + +class RGWArchiveBucketInstanceMetadataHandler : public RGWBucketInstanceMetadataHandler { +public: + + int remove(RGWRados *store, string& entry, RGWObjVersionTracker& objv_tracker) override { + ldout(store->ctx(), 0) << "SKIP: bucket instance removal is not allowed on archive zone: bucket.instance:" << entry << dendl; + return 0; + } +}; + +RGWMetadataHandler *RGWBucketMetaHandlerAllocator::alloc() { + return new RGWBucketMetadataHandler; +} + +RGWMetadataHandler *RGWBucketInstanceMetaHandlerAllocator::alloc() { + return new RGWBucketInstanceMetadataHandler; +} + +RGWMetadataHandler *RGWArchiveBucketMetaHandlerAllocator::alloc() { + return new RGWArchiveBucketMetadataHandler; +} + +RGWMetadataHandler *RGWArchiveBucketInstanceMetaHandlerAllocator::alloc() { + return new RGWArchiveBucketInstanceMetadataHandler; +} + +void rgw_bucket_init(RGWMetadataManager *mm) +{ + auto sync_module = mm->get_store()->get_sync_module(); + if (sync_module) { + bucket_meta_handler = sync_module->alloc_bucket_meta_handler(); + bucket_instance_meta_handler = sync_module->alloc_bucket_instance_meta_handler(); + } else { + bucket_meta_handler = RGWBucketMetaHandlerAllocator::alloc(); + bucket_instance_meta_handler = RGWBucketInstanceMetaHandlerAllocator::alloc(); + } + mm->register_handler(bucket_meta_handler); + mm->register_handler(bucket_instance_meta_handler); +} |