diff options
Diffstat (limited to 'src/rgw/rgw_data_sync.cc')
| -rw-r--r-- | src/rgw/rgw_data_sync.cc | 5050 |
1 files changed, 5050 insertions, 0 deletions
diff --git a/src/rgw/rgw_data_sync.cc b/src/rgw/rgw_data_sync.cc new file mode 100644 index 000000000..c769d95a7 --- /dev/null +++ b/src/rgw/rgw_data_sync.cc @@ -0,0 +1,5050 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab ft=cpp + +#include "common/ceph_json.h" +#include "common/RWLock.h" +#include "common/RefCountedObj.h" +#include "common/WorkQueue.h" +#include "common/Throttle.h" +#include "common/errno.h" + +#include "rgw_common.h" +#include "rgw_zone.h" +#include "rgw_sync.h" +#include "rgw_data_sync.h" +#include "rgw_rest_conn.h" +#include "rgw_cr_rados.h" +#include "rgw_cr_rest.h" +#include "rgw_cr_tools.h" +#include "rgw_http_client.h" +#include "rgw_bucket.h" +#include "rgw_bucket_sync.h" +#include "rgw_bucket_sync_cache.h" +#include "rgw_datalog.h" +#include "rgw_metadata.h" +#include "rgw_sync_counters.h" +#include "rgw_sync_error_repo.h" +#include "rgw_sync_module.h" +#include "rgw_sal.h" + +#include "cls/lock/cls_lock_client.h" +#include "cls/rgw/cls_rgw_client.h" + +#include "services/svc_zone.h" +#include "services/svc_sync_modules.h" +#include "rgw_bucket.h" + +#include "include/common_fwd.h" +#include "include/random.h" + +#include <boost/asio/yield.hpp> +#include <string_view> + +#define dout_subsys ceph_subsys_rgw + +#undef dout_prefix +#define dout_prefix (*_dout << "data sync: ") + +static string datalog_sync_status_oid_prefix = "datalog.sync-status"; +static string datalog_sync_status_shard_prefix = "datalog.sync-status.shard"; +static string datalog_sync_full_sync_index_prefix = "data.full-sync.index"; +static string bucket_status_oid_prefix = "bucket.sync-status"; +static string object_status_oid_prefix = "bucket.sync-status"; + + +void rgw_datalog_info::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("num_objects", num_shards, obj); +} + +void rgw_datalog_entry::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("key", key, obj); + utime_t ut; + JSONDecoder::decode_json("timestamp", ut, obj); + timestamp = ut.to_real_time(); +} + +void rgw_datalog_shard_data::decode_json(JSONObj *obj) { + JSONDecoder::decode_json("marker", marker, obj); + JSONDecoder::decode_json("truncated", truncated, obj); + JSONDecoder::decode_json("entries", entries, obj); +}; + + +class RGWReadDataSyncStatusMarkersCR : public RGWShardCollectCR { + static constexpr int MAX_CONCURRENT_SHARDS = 16; + + RGWDataSyncCtx *sc; + RGWDataSyncEnv *env; + const int num_shards; + int shard_id{0};; + + map<uint32_t, rgw_data_sync_marker>& markers; + + public: + RGWReadDataSyncStatusMarkersCR(RGWDataSyncCtx *sc, int num_shards, + map<uint32_t, rgw_data_sync_marker>& markers) + : RGWShardCollectCR(sc->cct, MAX_CONCURRENT_SHARDS), + sc(sc), env(sc->env), num_shards(num_shards), markers(markers) + {} + bool spawn_next() override; +}; + +bool RGWReadDataSyncStatusMarkersCR::spawn_next() +{ + if (shard_id >= num_shards) { + return false; + } + using CR = RGWSimpleRadosReadCR<rgw_data_sync_marker>; + spawn(new CR(env->dpp, env->async_rados, env->svc->sysobj, + rgw_raw_obj(env->svc->zone->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id)), + &markers[shard_id]), + false); + shard_id++; + return true; +} + +class RGWReadDataSyncRecoveringShardsCR : public RGWShardCollectCR { + static constexpr int MAX_CONCURRENT_SHARDS = 16; + + RGWDataSyncCtx *sc; + RGWDataSyncEnv *env; + + uint64_t max_entries; + int num_shards; + int shard_id{0}; + + string marker; + std::vector<RGWRadosGetOmapKeysCR::ResultPtr>& omapkeys; + + public: + RGWReadDataSyncRecoveringShardsCR(RGWDataSyncCtx *sc, uint64_t _max_entries, int _num_shards, + std::vector<RGWRadosGetOmapKeysCR::ResultPtr>& omapkeys) + : RGWShardCollectCR(sc->cct, MAX_CONCURRENT_SHARDS), sc(sc), env(sc->env), + max_entries(_max_entries), num_shards(_num_shards), omapkeys(omapkeys) + {} + bool spawn_next() override; +}; + +bool RGWReadDataSyncRecoveringShardsCR::spawn_next() +{ + if (shard_id >= num_shards) + return false; + + string error_oid = RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id) + ".retry"; + auto& shard_keys = omapkeys[shard_id]; + shard_keys = std::make_shared<RGWRadosGetOmapKeysCR::Result>(); + spawn(new RGWRadosGetOmapKeysCR(env->store, rgw_raw_obj(env->svc->zone->get_zone_params().log_pool, error_oid), + marker, max_entries, shard_keys), false); + + ++shard_id; + return true; +} + +class RGWReadDataSyncStatusCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw_data_sync_status *sync_status; + +public: + RGWReadDataSyncStatusCoroutine(RGWDataSyncCtx *_sc, + rgw_data_sync_status *_status) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(sc->env), sync_status(_status) + {} + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWReadDataSyncStatusCoroutine::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + // read sync info + using ReadInfoCR = RGWSimpleRadosReadCR<rgw_data_sync_info>; + yield { + bool empty_on_enoent = false; // fail on ENOENT + call(new ReadInfoCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, RGWDataSyncStatusManager::sync_status_oid(sc->source_zone)), + &sync_status->sync_info, empty_on_enoent)); + } + if (retcode < 0) { + ldpp_dout(dpp, 4) << "failed to read sync status info with " + << cpp_strerror(retcode) << dendl; + return set_cr_error(retcode); + } + // read shard markers + using ReadMarkersCR = RGWReadDataSyncStatusMarkersCR; + yield call(new ReadMarkersCR(sc, sync_status->sync_info.num_shards, + sync_status->sync_markers)); + if (retcode < 0) { + ldpp_dout(dpp, 4) << "failed to read sync status markers with " + << cpp_strerror(retcode) << dendl; + return set_cr_error(retcode); + } + return set_cr_done(); + } + return 0; +} + +class RGWReadRemoteDataLogShardInfoCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + RGWRESTReadResource *http_op; + + int shard_id; + RGWDataChangesLogInfo *shard_info; + +public: + RGWReadRemoteDataLogShardInfoCR(RGWDataSyncCtx *_sc, + int _shard_id, RGWDataChangesLogInfo *_shard_info) : RGWCoroutine(_sc->cct), + sc(_sc), + sync_env(_sc->env), + http_op(NULL), + shard_id(_shard_id), + shard_info(_shard_info) { + } + + ~RGWReadRemoteDataLogShardInfoCR() override { + if (http_op) { + http_op->put(); + } + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + yield { + char buf[16]; + snprintf(buf, sizeof(buf), "%d", shard_id); + rgw_http_param_pair pairs[] = { { "type" , "data" }, + { "id", buf }, + { "info" , NULL }, + { NULL, NULL } }; + + string p = "/admin/log/"; + + http_op = new RGWRESTReadResource(sc->conn, p, pairs, NULL, sync_env->http_manager); + + init_new_io(http_op); + + int ret = http_op->aio_read(dpp); + if (ret < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to read from " << p << dendl; + log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl; + return set_cr_error(ret); + } + + return io_block(0); + } + yield { + int ret = http_op->wait(shard_info, null_yield); + if (ret < 0) { + return set_cr_error(ret); + } + return set_cr_done(); + } + } + return 0; + } +}; + +struct read_remote_data_log_response { + string marker; + bool truncated; + list<rgw_data_change_log_entry> entries; + + read_remote_data_log_response() : truncated(false) {} + + void decode_json(JSONObj *obj) { + JSONDecoder::decode_json("marker", marker, obj); + JSONDecoder::decode_json("truncated", truncated, obj); + JSONDecoder::decode_json("entries", entries, obj); + }; +}; + +class RGWReadRemoteDataLogShardCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + RGWRESTReadResource *http_op = nullptr; + + int shard_id; + const std::string& marker; + string *pnext_marker; + list<rgw_data_change_log_entry> *entries; + bool *truncated; + + read_remote_data_log_response response; + std::optional<TOPNSPC::common::PerfGuard> timer; + +public: + RGWReadRemoteDataLogShardCR(RGWDataSyncCtx *_sc, int _shard_id, + const std::string& marker, string *pnext_marker, + list<rgw_data_change_log_entry> *_entries, + bool *_truncated) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + shard_id(_shard_id), marker(marker), pnext_marker(pnext_marker), + entries(_entries), truncated(_truncated) { + } + ~RGWReadRemoteDataLogShardCR() override { + if (http_op) { + http_op->put(); + } + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + yield { + char buf[16]; + snprintf(buf, sizeof(buf), "%d", shard_id); + rgw_http_param_pair pairs[] = { { "type" , "data" }, + { "id", buf }, + { "marker", marker.c_str() }, + { "extra-info", "true" }, + { NULL, NULL } }; + + string p = "/admin/log/"; + + http_op = new RGWRESTReadResource(sc->conn, p, pairs, NULL, sync_env->http_manager); + + init_new_io(http_op); + + if (sync_env->counters) { + timer.emplace(sync_env->counters, sync_counters::l_poll); + } + int ret = http_op->aio_read(dpp); + if (ret < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to read from " << p << dendl; + log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl; + if (sync_env->counters) { + sync_env->counters->inc(sync_counters::l_poll_err); + } + return set_cr_error(ret); + } + + return io_block(0); + } + yield { + timer.reset(); + int ret = http_op->wait(&response, null_yield); + if (ret < 0) { + if (sync_env->counters && ret != -ENOENT) { + sync_env->counters->inc(sync_counters::l_poll_err); + } + return set_cr_error(ret); + } + entries->clear(); + entries->swap(response.entries); + *pnext_marker = response.marker; + *truncated = response.truncated; + return set_cr_done(); + } + } + return 0; + } +}; + +class RGWReadRemoteDataLogInfoCR : public RGWShardCollectCR { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + int num_shards; + map<int, RGWDataChangesLogInfo> *datalog_info; + + int shard_id; +#define READ_DATALOG_MAX_CONCURRENT 10 + +public: + RGWReadRemoteDataLogInfoCR(RGWDataSyncCtx *_sc, + int _num_shards, + map<int, RGWDataChangesLogInfo> *_datalog_info) : RGWShardCollectCR(_sc->cct, READ_DATALOG_MAX_CONCURRENT), + sc(_sc), sync_env(_sc->env), num_shards(_num_shards), + datalog_info(_datalog_info), shard_id(0) {} + bool spawn_next() override; +}; + +bool RGWReadRemoteDataLogInfoCR::spawn_next() { + if (shard_id >= num_shards) { + return false; + } + spawn(new RGWReadRemoteDataLogShardInfoCR(sc, shard_id, &(*datalog_info)[shard_id]), false); + shard_id++; + return true; +} + +class RGWListRemoteDataLogShardCR : public RGWSimpleCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + RGWRESTReadResource *http_op; + + int shard_id; + string marker; + uint32_t max_entries; + rgw_datalog_shard_data *result; + +public: + RGWListRemoteDataLogShardCR(RGWDataSyncCtx *sc, int _shard_id, + const string& _marker, uint32_t _max_entries, + rgw_datalog_shard_data *_result) + : RGWSimpleCoroutine(sc->cct), sc(sc), sync_env(sc->env), http_op(NULL), + shard_id(_shard_id), marker(_marker), max_entries(_max_entries), result(_result) {} + + int send_request(const DoutPrefixProvider *dpp) override { + RGWRESTConn *conn = sc->conn; + + char buf[32]; + snprintf(buf, sizeof(buf), "%d", shard_id); + + char max_entries_buf[32]; + snprintf(max_entries_buf, sizeof(max_entries_buf), "%d", (int)max_entries); + + const char *marker_key = (marker.empty() ? "" : "marker"); + + rgw_http_param_pair pairs[] = { { "type", "data" }, + { "id", buf }, + { "max-entries", max_entries_buf }, + { marker_key, marker.c_str() }, + { NULL, NULL } }; + + string p = "/admin/log/"; + + http_op = new RGWRESTReadResource(conn, p, pairs, NULL, sync_env->http_manager); + init_new_io(http_op); + + int ret = http_op->aio_read(dpp); + if (ret < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to read from " << p << dendl; + log_error() << "failed to send http operation: " << http_op->to_str() << " ret=" << ret << std::endl; + http_op->put(); + return ret; + } + + return 0; + } + + int request_complete() override { + int ret = http_op->wait(result, null_yield); + http_op->put(); + if (ret < 0 && ret != -ENOENT) { + ldpp_dout(sync_env->dpp, 0) << "ERROR: failed to list remote datalog shard, ret=" << ret << dendl; + return ret; + } + return 0; + } +}; + +class RGWListRemoteDataLogCR : public RGWShardCollectCR { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + map<int, string> shards; + int max_entries_per_shard; + map<int, rgw_datalog_shard_data> *result; + + map<int, string>::iterator iter; +#define READ_DATALOG_MAX_CONCURRENT 10 + +public: + RGWListRemoteDataLogCR(RGWDataSyncCtx *_sc, + map<int, string>& _shards, + int _max_entries_per_shard, + map<int, rgw_datalog_shard_data> *_result) : RGWShardCollectCR(_sc->cct, READ_DATALOG_MAX_CONCURRENT), + sc(_sc), sync_env(_sc->env), max_entries_per_shard(_max_entries_per_shard), + result(_result) { + shards.swap(_shards); + iter = shards.begin(); + } + bool spawn_next() override; +}; + +bool RGWListRemoteDataLogCR::spawn_next() { + if (iter == shards.end()) { + return false; + } + + spawn(new RGWListRemoteDataLogShardCR(sc, iter->first, iter->second, max_entries_per_shard, &(*result)[iter->first]), false); + ++iter; + return true; +} + +class RGWInitDataSyncStatusCoroutine : public RGWCoroutine { + static constexpr uint32_t lock_duration = 30; + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw::sal::RGWRadosStore *store; + const rgw_pool& pool; + const uint32_t num_shards; + + string sync_status_oid; + + string lock_name; + string cookie; + rgw_data_sync_status *status; + map<int, RGWDataChangesLogInfo> shards_info; + + RGWSyncTraceNodeRef tn; +public: + RGWInitDataSyncStatusCoroutine(RGWDataSyncCtx *_sc, uint32_t num_shards, + uint64_t instance_id, + RGWSyncTraceNodeRef& _tn_parent, + rgw_data_sync_status *status) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), store(sync_env->store), + pool(sync_env->svc->zone->get_zone_params().log_pool), + num_shards(num_shards), status(status), + tn(sync_env->sync_tracer->add_node(_tn_parent, "init_data_sync_status")) { + lock_name = "sync_lock"; + + status->sync_info.instance_id = instance_id; + +#define COOKIE_LEN 16 + char buf[COOKIE_LEN + 1]; + + gen_rand_alphanumeric(cct, buf, sizeof(buf) - 1); + cookie = buf; + + sync_status_oid = RGWDataSyncStatusManager::sync_status_oid(sc->source_zone); + + } + + int operate(const DoutPrefixProvider *dpp) override { + int ret; + reenter(this) { + using LockCR = RGWSimpleRadosLockCR; + yield call(new LockCR(sync_env->async_rados, store, + rgw_raw_obj{pool, sync_status_oid}, + lock_name, cookie, lock_duration)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to take a lock on " << sync_status_oid)); + return set_cr_error(retcode); + } + using WriteInfoCR = RGWSimpleRadosWriteCR<rgw_data_sync_info>; + yield call(new WriteInfoCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj{pool, sync_status_oid}, + status->sync_info)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to write sync status info with " << retcode)); + return set_cr_error(retcode); + } + + /* take lock again, we just recreated the object */ + yield call(new LockCR(sync_env->async_rados, store, + rgw_raw_obj{pool, sync_status_oid}, + lock_name, cookie, lock_duration)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to take a lock on " << sync_status_oid)); + return set_cr_error(retcode); + } + + tn->log(10, "took lease"); + + /* fetch current position in logs */ + yield { + RGWRESTConn *conn = sync_env->svc->zone->get_zone_conn(sc->source_zone); + if (!conn) { + tn->log(0, SSTR("ERROR: connection to zone " << sc->source_zone << " does not exist!")); + return set_cr_error(-EIO); + } + for (uint32_t i = 0; i < num_shards; i++) { + spawn(new RGWReadRemoteDataLogShardInfoCR(sc, i, &shards_info[i]), true); + } + } + while (collect(&ret, NULL)) { + if (ret < 0) { + tn->log(0, SSTR("ERROR: failed to read remote data log shards")); + return set_state(RGWCoroutine_Error); + } + yield; + } + yield { + for (uint32_t i = 0; i < num_shards; i++) { + RGWDataChangesLogInfo& info = shards_info[i]; + auto& marker = status->sync_markers[i]; + marker.next_step_marker = info.marker; + marker.timestamp = info.last_update; + const auto& oid = RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, i); + using WriteMarkerCR = RGWSimpleRadosWriteCR<rgw_data_sync_marker>; + spawn(new WriteMarkerCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj{pool, oid}, marker), true); + } + } + while (collect(&ret, NULL)) { + if (ret < 0) { + tn->log(0, SSTR("ERROR: failed to write data sync status markers")); + return set_state(RGWCoroutine_Error); + } + yield; + } + + status->sync_info.state = rgw_data_sync_info::StateBuildingFullSyncMaps; + yield call(new WriteInfoCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj{pool, sync_status_oid}, + status->sync_info)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to write sync status info with " << retcode)); + return set_cr_error(retcode); + } + yield call(new RGWSimpleRadosUnlockCR(sync_env->async_rados, store, + rgw_raw_obj{pool, sync_status_oid}, + lock_name, cookie)); + return set_cr_done(); + } + return 0; + } +}; + +RGWRemoteDataLog::RGWRemoteDataLog(const DoutPrefixProvider *dpp, + rgw::sal::RGWRadosStore *store, + RGWAsyncRadosProcessor *async_rados) + : RGWCoroutinesManager(store->ctx(), store->getRados()->get_cr_registry()), + dpp(dpp), store(store), + cct(store->ctx()), cr_registry(store->getRados()->get_cr_registry()), + async_rados(async_rados), + http_manager(store->ctx(), completion_mgr), + data_sync_cr(NULL), + initialized(false) +{ +} + +int RGWRemoteDataLog::read_log_info(const DoutPrefixProvider *dpp, rgw_datalog_info *log_info) +{ + rgw_http_param_pair pairs[] = { { "type", "data" }, + { NULL, NULL } }; + + int ret = sc.conn->get_json_resource(dpp, "/admin/log", pairs, null_yield, *log_info); + if (ret < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to fetch datalog info" << dendl; + return ret; + } + + ldpp_dout(dpp, 20) << "remote datalog, num_shards=" << log_info->num_shards << dendl; + + return 0; +} + +int RGWRemoteDataLog::read_source_log_shards_info(const DoutPrefixProvider *dpp, map<int, RGWDataChangesLogInfo> *shards_info) +{ + rgw_datalog_info log_info; + int ret = read_log_info(dpp, &log_info); + if (ret < 0) { + return ret; + } + + return run(dpp, new RGWReadRemoteDataLogInfoCR(&sc, log_info.num_shards, shards_info)); +} + +int RGWRemoteDataLog::read_source_log_shards_next(const DoutPrefixProvider *dpp, map<int, string> shard_markers, map<int, rgw_datalog_shard_data> *result) +{ + return run(dpp, new RGWListRemoteDataLogCR(&sc, shard_markers, 1, result)); +} + +int RGWRemoteDataLog::init(const rgw_zone_id& _source_zone, RGWRESTConn *_conn, RGWSyncErrorLogger *_error_logger, + RGWSyncTraceManager *_sync_tracer, RGWSyncModuleInstanceRef& _sync_module, + PerfCounters* counters) +{ + sync_env.init(dpp, cct, store, store->svc(), async_rados, &http_manager, _error_logger, + _sync_tracer, _sync_module, counters); + sc.init(&sync_env, _conn, _source_zone); + + if (initialized) { + return 0; + } + + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(dpp, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + + tn = sync_env.sync_tracer->add_node(sync_env.sync_tracer->root_node, "data"); + + initialized = true; + + return 0; +} + +void RGWRemoteDataLog::finish() +{ + stop(); +} + +int RGWRemoteDataLog::read_sync_status(const DoutPrefixProvider *dpp, rgw_data_sync_status *sync_status) +{ + // cannot run concurrently with run_sync(), so run in a separate manager + RGWCoroutinesManager crs(cct, cr_registry); + RGWHTTPManager http_manager(cct, crs.get_completion_mgr()); + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(dpp, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + RGWDataSyncEnv sync_env_local = sync_env; + sync_env_local.http_manager = &http_manager; + + RGWDataSyncCtx sc_local = sc; + sc_local.env = &sync_env_local; + + ret = crs.run(dpp, new RGWReadDataSyncStatusCoroutine(&sc_local, sync_status)); + http_manager.stop(); + return ret; +} + +int RGWRemoteDataLog::read_recovering_shards(const DoutPrefixProvider *dpp, const int num_shards, set<int>& recovering_shards) +{ + // cannot run concurrently with run_sync(), so run in a separate manager + RGWCoroutinesManager crs(cct, cr_registry); + RGWHTTPManager http_manager(cct, crs.get_completion_mgr()); + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(dpp, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + RGWDataSyncEnv sync_env_local = sync_env; + sync_env_local.http_manager = &http_manager; + + RGWDataSyncCtx sc_local = sc; + sc_local.env = &sync_env_local; + + std::vector<RGWRadosGetOmapKeysCR::ResultPtr> omapkeys; + omapkeys.resize(num_shards); + uint64_t max_entries{1}; + + ret = crs.run(dpp, new RGWReadDataSyncRecoveringShardsCR(&sc_local, max_entries, num_shards, omapkeys)); + http_manager.stop(); + + if (ret == 0) { + for (int i = 0; i < num_shards; i++) { + if (omapkeys[i]->entries.size() != 0) { + recovering_shards.insert(i); + } + } + } + + return ret; +} + +int RGWRemoteDataLog::init_sync_status(const DoutPrefixProvider *dpp, int num_shards) +{ + rgw_data_sync_status sync_status; + sync_status.sync_info.num_shards = num_shards; + + RGWCoroutinesManager crs(cct, cr_registry); + RGWHTTPManager http_manager(cct, crs.get_completion_mgr()); + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(dpp, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + RGWDataSyncEnv sync_env_local = sync_env; + sync_env_local.http_manager = &http_manager; + auto instance_id = ceph::util::generate_random_number<uint64_t>(); + RGWDataSyncCtx sc_local = sc; + sc_local.env = &sync_env_local; + ret = crs.run(dpp, new RGWInitDataSyncStatusCoroutine(&sc_local, num_shards, instance_id, tn, &sync_status)); + http_manager.stop(); + return ret; +} + +static string full_data_sync_index_shard_oid(const rgw_zone_id& source_zone, int shard_id) +{ + char buf[datalog_sync_full_sync_index_prefix.size() + 1 + source_zone.id.size() + 1 + 16]; + snprintf(buf, sizeof(buf), "%s.%s.%d", datalog_sync_full_sync_index_prefix.c_str(), source_zone.id.c_str(), shard_id); + return string(buf); +} + +struct read_metadata_list { + string marker; + bool truncated; + list<string> keys; + int count; + + read_metadata_list() : truncated(false), count(0) {} + + void decode_json(JSONObj *obj) { + JSONDecoder::decode_json("marker", marker, obj); + JSONDecoder::decode_json("truncated", truncated, obj); + JSONDecoder::decode_json("keys", keys, obj); + JSONDecoder::decode_json("count", count, obj); + } +}; + +struct bucket_instance_meta_info { + string key; + obj_version ver; + utime_t mtime; + RGWBucketInstanceMetadataObject data; + + bucket_instance_meta_info() {} + + void decode_json(JSONObj *obj) { + JSONDecoder::decode_json("key", key, obj); + JSONDecoder::decode_json("ver", ver, obj); + JSONDecoder::decode_json("mtime", mtime, obj); + JSONDecoder::decode_json("data", data, obj); + } +}; + +class RGWListBucketIndexesCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw::sal::RGWRadosStore *store; + + rgw_data_sync_status *sync_status; + int num_shards; + + int req_ret; + int ret; + + list<string>::iterator iter; + + RGWShardedOmapCRManager *entries_index; + + string oid_prefix; + + string path; + bucket_instance_meta_info meta_info; + string key; + string s; + int i; + + bool failed; + bool truncated; + read_metadata_list result; + +public: + RGWListBucketIndexesCR(RGWDataSyncCtx *_sc, + rgw_data_sync_status *_sync_status) : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + store(sync_env->store), sync_status(_sync_status), + req_ret(0), ret(0), entries_index(NULL), i(0), failed(false), truncated(false) { + oid_prefix = datalog_sync_full_sync_index_prefix + "." + sc->source_zone.id; + path = "/admin/metadata/bucket.instance"; + num_shards = sync_status->sync_info.num_shards; + } + ~RGWListBucketIndexesCR() override { + delete entries_index; + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + entries_index = new RGWShardedOmapCRManager(sync_env->async_rados, store, this, num_shards, + sync_env->svc->zone->get_zone_params().log_pool, + oid_prefix); + yield; // yield so OmapAppendCRs can start + + do { + yield { + string entrypoint = string("/admin/metadata/bucket.instance"); + + rgw_http_param_pair pairs[] = {{"max-entries", "1000"}, + {"marker", result.marker.c_str()}, + {NULL, NULL}}; + + call(new RGWReadRESTResourceCR<read_metadata_list>(sync_env->cct, sc->conn, sync_env->http_manager, + entrypoint, pairs, &result)); + } + if (retcode < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to fetch metadata for section bucket.instance" << dendl; + return set_cr_error(retcode); + } + + for (iter = result.keys.begin(); iter != result.keys.end(); ++iter) { + ldpp_dout(dpp, 20) << "list metadata: section=bucket.instance key=" << *iter << dendl; + key = *iter; + + yield { + rgw_http_param_pair pairs[] = {{"key", key.c_str()}, + {NULL, NULL}}; + + call(new RGWReadRESTResourceCR<bucket_instance_meta_info>(sync_env->cct, sc->conn, sync_env->http_manager, path, pairs, &meta_info)); + } + + num_shards = meta_info.data.get_bucket_info().layout.current_index.layout.normal.num_shards; + if (num_shards > 0) { + for (i = 0; i < num_shards; i++) { + char buf[16]; + snprintf(buf, sizeof(buf), ":%d", i); + s = key + buf; + yield entries_index->append(s, sync_env->svc->datalog_rados->get_log_shard_id(meta_info.data.get_bucket_info().bucket, i)); + } + } else { + yield entries_index->append(key, sync_env->svc->datalog_rados->get_log_shard_id(meta_info.data.get_bucket_info().bucket, -1)); + } + } + truncated = result.truncated; + } while (truncated); + + yield { + if (!entries_index->finish()) { + failed = true; + } + } + if (!failed) { + for (map<uint32_t, rgw_data_sync_marker>::iterator iter = sync_status->sync_markers.begin(); iter != sync_status->sync_markers.end(); ++iter) { + int shard_id = (int)iter->first; + rgw_data_sync_marker& marker = iter->second; + marker.total_entries = entries_index->get_total_entries(shard_id); + spawn(new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id)), + marker), + true); + } + } else { + yield call(sync_env->error_logger->log_error_cr(dpp, sc->conn->get_remote_id(), "data.init", "", + EIO, string("failed to build bucket instances map"))); + } + while (collect(&ret, NULL)) { + if (ret < 0) { + yield call(sync_env->error_logger->log_error_cr(dpp, sc->conn->get_remote_id(), "data.init", "", + -ret, string("failed to store sync status: ") + cpp_strerror(-ret))); + req_ret = ret; + } + yield; + } + + drain_all(); + if (req_ret < 0) { + yield return set_cr_error(req_ret); + } + yield return set_cr_done(); + } + return 0; + } +}; + +#define DATA_SYNC_UPDATE_MARKER_WINDOW 1 + +class RGWDataSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<string, string> { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + string marker_oid; + rgw_data_sync_marker sync_marker; + RGWSyncTraceNodeRef tn; + +public: + RGWDataSyncShardMarkerTrack(RGWDataSyncCtx *_sc, + const string& _marker_oid, + const rgw_data_sync_marker& _marker, + RGWSyncTraceNodeRef& _tn) : RGWSyncShardMarkerTrack(DATA_SYNC_UPDATE_MARKER_WINDOW), + sc(_sc), sync_env(_sc->env), + marker_oid(_marker_oid), + sync_marker(_marker), + tn(_tn) {} + + RGWCoroutine *store_marker(const string& new_marker, uint64_t index_pos, const real_time& timestamp) override { + sync_marker.marker = new_marker; + sync_marker.pos = index_pos; + sync_marker.timestamp = timestamp; + + tn->log(20, SSTR("updating marker marker_oid=" << marker_oid << " marker=" << new_marker)); + + return new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, marker_oid), + sync_marker); + } + + RGWOrderCallCR *allocate_order_control_cr() override { + return new RGWLastCallerWinsCR(sync_env->cct); + } +}; + +// ostream wrappers to print buckets without copying strings +struct bucket_str { + const rgw_bucket& b; + explicit bucket_str(const rgw_bucket& b) : b(b) {} +}; +std::ostream& operator<<(std::ostream& out, const bucket_str& rhs) { + auto& b = rhs.b; + if (!b.tenant.empty()) { + out << b.tenant << '/'; + } + out << b.name; + if (!b.bucket_id.empty()) { + out << ':' << b.bucket_id; + } + return out; +} + +struct bucket_str_noinstance { + const rgw_bucket& b; + explicit bucket_str_noinstance(const rgw_bucket& b) : b(b) {} +}; +std::ostream& operator<<(std::ostream& out, const bucket_str_noinstance& rhs) { + auto& b = rhs.b; + if (!b.tenant.empty()) { + out << b.tenant << '/'; + } + out << b.name; + return out; +} + +struct bucket_shard_str { + const rgw_bucket_shard& bs; + explicit bucket_shard_str(const rgw_bucket_shard& bs) : bs(bs) {} +}; +std::ostream& operator<<(std::ostream& out, const bucket_shard_str& rhs) { + auto& bs = rhs.bs; + out << bucket_str{bs.bucket}; + if (bs.shard_id >= 0) { + out << ':' << bs.shard_id; + } + return out; +} + +class RGWRunBucketSyncCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr; + rgw_bucket_sync_pair_info sync_pair; + rgw_bucket_sync_pipe sync_pipe; + rgw_bucket_shard_sync_info sync_status; + RGWMetaSyncEnv meta_sync_env; + RGWObjVersionTracker objv_tracker; + ceph::real_time* progress; + + const std::string status_oid; + + RGWSyncTraceNodeRef tn; + +public: + RGWRunBucketSyncCoroutine(RGWDataSyncCtx *_sc, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + const rgw_bucket_sync_pair_info& _sync_pair, + const RGWSyncTraceNodeRef& _tn_parent, + ceph::real_time* progress) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + lease_cr(std::move(lease_cr)), sync_pair(_sync_pair), progress(progress), + status_oid(RGWBucketPipeSyncStatusManager::status_oid(sc->source_zone, sync_pair)), + tn(sync_env->sync_tracer->add_node(_tn_parent, "bucket", + SSTR(bucket_shard_str{_sync_pair.dest_bs} << "<-" << bucket_shard_str{_sync_pair.source_bs} ))) { + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +struct all_bucket_info { + RGWBucketInfo bucket_info; + map<string, bufferlist> attrs; +}; + +struct rgw_sync_pipe_info_entity +{ +private: + RGWBucketInfo bucket_info; + map<string, bufferlist> bucket_attrs; + bool _has_bucket_info{false}; + +public: + rgw_zone_id zone; + + rgw_sync_pipe_info_entity() {} + rgw_sync_pipe_info_entity(const rgw_sync_bucket_entity& e, + std::optional<all_bucket_info>& binfo) { + if (e.zone) { + zone = *e.zone; + } + if (!e.bucket) { + return; + } + if (!binfo || + binfo->bucket_info.bucket != *e.bucket) { + bucket_info.bucket = *e.bucket; + } else { + set_bucket_info(*binfo); + } + } + + void update_empty_bucket_info(const std::map<rgw_bucket, all_bucket_info>& buckets_info) { + if (_has_bucket_info) { + return; + } + if (bucket_info.bucket.name.empty()) { + return; + } + + auto iter = buckets_info.find(bucket_info.bucket); + if (iter == buckets_info.end()) { + return; + } + + set_bucket_info(iter->second); + } + + bool has_bucket_info() const { + return _has_bucket_info; + } + + void set_bucket_info(const all_bucket_info& all_info) { + bucket_info = all_info.bucket_info; + bucket_attrs = all_info.attrs; + _has_bucket_info = true; + } + + const RGWBucketInfo& get_bucket_info() const { + return bucket_info; + } + + const rgw_bucket& get_bucket() const { + return bucket_info.bucket; + } + + bool operator<(const rgw_sync_pipe_info_entity& e) const { + if (zone < e.zone) { + return false; + } + if (zone > e.zone) { + return true; + } + return (bucket_info.bucket < e.bucket_info.bucket); + } +}; + +std::ostream& operator<<(std::ostream& out, const rgw_sync_pipe_info_entity& e) { + auto& bucket = e.get_bucket_info().bucket; + + out << e.zone << ":" << bucket.get_key(); + return out; +} + +struct rgw_sync_pipe_handler_info { + RGWBucketSyncFlowManager::pipe_handler handler; + rgw_sync_pipe_info_entity source; + rgw_sync_pipe_info_entity target; + + rgw_sync_pipe_handler_info() {} + rgw_sync_pipe_handler_info(const RGWBucketSyncFlowManager::pipe_handler& _handler, + std::optional<all_bucket_info> source_bucket_info, + std::optional<all_bucket_info> target_bucket_info) : handler(_handler), + source(handler.source, source_bucket_info), + target(handler.dest, target_bucket_info) { + } + + bool operator<(const rgw_sync_pipe_handler_info& p) const { + if (source < p.source) { + return true; + } + if (p.source < source) { + return false; + } + return (target < p.target); + } + + void update_empty_bucket_info(const std::map<rgw_bucket, all_bucket_info>& buckets_info) { + source.update_empty_bucket_info(buckets_info); + target.update_empty_bucket_info(buckets_info); + } +}; + +std::ostream& operator<<(std::ostream& out, const rgw_sync_pipe_handler_info& p) { + out << p.source << ">" << p.target; + return out; +} + +struct rgw_sync_pipe_info_set { + std::set<rgw_sync_pipe_handler_info> handlers; + + using iterator = std::set<rgw_sync_pipe_handler_info>::iterator; + + void clear() { + handlers.clear(); + } + + void insert(const RGWBucketSyncFlowManager::pipe_handler& handler, + std::optional<all_bucket_info>& source_bucket_info, + std::optional<all_bucket_info>& target_bucket_info) { + rgw_sync_pipe_handler_info p(handler, source_bucket_info, target_bucket_info); + handlers.insert(p); + } + + iterator begin() { + return handlers.begin(); + } + + iterator end() { + return handlers.end(); + } + + bool empty() const { + return handlers.empty(); + } + + void update_empty_bucket_info(const std::map<rgw_bucket, all_bucket_info>& buckets_info) { + if (buckets_info.empty()) { + return; + } + + std::set<rgw_sync_pipe_handler_info> p; + + for (auto pipe : handlers) { + pipe.update_empty_bucket_info(buckets_info); + p.insert(pipe); + } + + handlers = std::move(p); + } +}; + +class RGWRunBucketsSyncBySourceCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw_bucket_shard source; + + RGWSyncTraceNodeRef tn; + +public: + RGWRunBucketsSyncBySourceCR(RGWDataSyncCtx *_sc, const rgw_bucket_shard& _source, const RGWSyncTraceNodeRef& _tn_parent) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), source(_source), + tn(sync_env->sync_tracer->add_node(_tn_parent, "source", + SSTR(bucket_shard_str{_source} ))) { + } + ~RGWRunBucketsSyncBySourceCR() override { + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +class RGWRunBucketSourcesSyncCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr; + + std::optional<rgw_bucket_shard> target_bs; + std::optional<rgw_bucket_shard> source_bs; + + std::optional<rgw_bucket> target_bucket; + std::optional<rgw_bucket> source_bucket; + + rgw_sync_pipe_info_set pipes; + rgw_sync_pipe_info_set::iterator siter; + + rgw_bucket_sync_pair_info sync_pair; + + RGWSyncTraceNodeRef tn; + ceph::real_time* progress; + std::map<uint64_t, ceph::real_time> shard_progress; + + ceph::real_time *cur_progress{nullptr}; + std::optional<ceph::real_time> min_progress; + + RGWRESTConn *conn{nullptr}; + rgw_zone_id last_zone; + + int source_num_shards{0}; + int target_num_shards{0}; + + int num_shards{0}; + int cur_shard{0}; + bool again = false; + +public: + RGWRunBucketSourcesSyncCR(RGWDataSyncCtx *_sc, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + std::optional<rgw_bucket_shard> _target_bs, + std::optional<rgw_bucket_shard> _source_bs, + const RGWSyncTraceNodeRef& _tn_parent, + ceph::real_time* progress); + + int operate(const DoutPrefixProvider *dpp) override; + + void handle_complete_stack(uint64_t stack_id) { + auto iter = shard_progress.find(stack_id); + if (iter == shard_progress.end()) { + lderr(cct) << "ERROR: RGWRunBucketSourcesSyncCR::handle_complete_stack(): stack_id=" << stack_id << " not found! Likely a bug" << dendl; + return; + } + if (progress) { + if (!min_progress) { + min_progress = iter->second; + } else { + if (iter->second < *min_progress) { + min_progress = iter->second; + } + } + } + + shard_progress.erase(stack_id); + } +}; + +class RGWDataSyncSingleEntryCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw::bucket_sync::Handle state; // cached bucket-shard state + rgw_data_sync_obligation obligation; // input obligation + std::optional<rgw_data_sync_obligation> complete; // obligation to complete + uint32_t obligation_counter = 0; + RGWDataSyncShardMarkerTrack *marker_tracker; + const rgw_raw_obj& error_repo; + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr; + RGWSyncTraceNodeRef tn; + + ceph::real_time progress; + int sync_status = 0; +public: + RGWDataSyncSingleEntryCR(RGWDataSyncCtx *_sc, rgw::bucket_sync::Handle state, + rgw_data_sync_obligation obligation, + RGWDataSyncShardMarkerTrack *_marker_tracker, + const rgw_raw_obj& error_repo, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + const RGWSyncTraceNodeRef& _tn_parent) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + state(std::move(state)), obligation(std::move(obligation)), + marker_tracker(_marker_tracker), error_repo(error_repo), + lease_cr(std::move(lease_cr)) { + set_description() << "data sync single entry (source_zone=" << sc->source_zone << ") " << obligation; + tn = sync_env->sync_tracer->add_node(_tn_parent, "entry", obligation.key); + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + if (state->obligation) { + // this is already syncing in another DataSyncSingleEntryCR + if (state->obligation->timestamp < obligation.timestamp) { + // cancel existing obligation and overwrite it + tn->log(10, SSTR("canceling existing obligation " << *state->obligation)); + complete = std::move(*state->obligation); + *state->obligation = std::move(obligation); + state->counter++; + } else { + // cancel new obligation + tn->log(10, SSTR("canceling new obligation " << obligation)); + complete = std::move(obligation); + } + } else { + // start syncing a new obligation + state->obligation = obligation; + obligation_counter = state->counter; + state->counter++; + + // loop until the latest obligation is satisfied, because other callers + // may update the obligation while we're syncing + while ((state->obligation->timestamp == ceph::real_time() || + state->progress_timestamp < state->obligation->timestamp) && + obligation_counter != state->counter) { + obligation_counter = state->counter; + progress = ceph::real_time{}; + + ldout(cct, 4) << "starting sync on " << bucket_shard_str{state->key} + << ' ' << *state->obligation << dendl; + yield call(new RGWRunBucketSourcesSyncCR(sc, lease_cr, + std::nullopt, /* target_bs */ + state->key, tn, &progress)); + if (retcode < 0) { + break; + } + state->progress_timestamp = std::max(progress, state->progress_timestamp); + } + // any new obligations will process themselves + complete = std::move(*state->obligation); + state->obligation.reset(); + + tn->log(10, SSTR("sync finished on " << bucket_shard_str{state->key} + << " progress=" << progress << ' ' << complete << " r=" << retcode)); + } + sync_status = retcode; + + if (sync_status == -ENOENT) { + // this was added when 'tenant/' was added to datalog entries, because + // preexisting tenant buckets could never sync and would stay in the + // error_repo forever + tn->log(0, SSTR("WARNING: skipping data log entry for missing bucket " << complete->key)); + sync_status = 0; + } + + if (sync_status < 0) { + // write actual sync failures for 'radosgw-admin sync error list' + if (sync_status != -EBUSY && sync_status != -EAGAIN) { + yield call(sync_env->error_logger->log_error_cr(dpp, sc->conn->get_remote_id(), "data", complete->key, + -sync_status, string("failed to sync bucket instance: ") + cpp_strerror(-sync_status))); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to log sync failure: retcode=" << retcode)); + } + } + if (complete->timestamp != ceph::real_time{}) { + tn->log(10, SSTR("writing " << *complete << " to error repo for retry")); + yield call(rgw_error_repo_write_cr(sync_env->store->svc()->rados, error_repo, + complete->key, complete->timestamp)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to log sync failure in error repo: retcode=" << retcode)); + } + } + } else if (complete->retry) { + yield call(rgw_error_repo_remove_cr(sync_env->store->svc()->rados, error_repo, + complete->key, complete->timestamp)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to remove omap key from error repo (" + << error_repo << " retcode=" << retcode)); + } + } + /* FIXME: what do do in case of error */ + if (marker_tracker && !complete->marker.empty()) { + /* update marker */ + yield call(marker_tracker->finish(complete->marker)); + } + if (sync_status == 0) { + sync_status = retcode; + } + if (sync_status < 0) { + return set_cr_error(sync_status); + } + return set_cr_done(); + } + return 0; + } +}; + +#define BUCKET_SHARD_SYNC_SPAWN_WINDOW 20 +#define DATA_SYNC_MAX_ERR_ENTRIES 10 + +class RGWDataSyncShardCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw_pool pool; + + uint32_t shard_id; + rgw_data_sync_marker& sync_marker; + + RGWRadosGetOmapValsCR::ResultPtr omapvals; + std::map<std::string, bufferlist> entries; + std::map<std::string, bufferlist>::iterator iter; + + string oid; + + std::optional<RGWDataSyncShardMarkerTrack> marker_tracker; + + std::string next_marker; + list<rgw_data_change_log_entry> log_entries; + list<rgw_data_change_log_entry>::iterator log_iter; + bool truncated = false; + + ceph::mutex inc_lock = ceph::make_mutex("RGWDataSyncShardCR::inc_lock"); + ceph::condition_variable inc_cond; + + boost::asio::coroutine incremental_cr; + boost::asio::coroutine full_cr; + + + set<string> modified_shards; + set<string> current_modified; + + set<string>::iterator modified_iter; + + uint64_t total_entries = 0; + static constexpr int spawn_window = BUCKET_SHARD_SYNC_SPAWN_WINDOW; + bool *reset_backoff = nullptr; + + boost::intrusive_ptr<RGWContinuousLeaseCR> lease_cr; + boost::intrusive_ptr<RGWCoroutinesStack> lease_stack; + string status_oid; + + rgw_raw_obj error_repo; + std::map<std::string, bufferlist> error_entries; + string error_marker; + ceph::real_time entry_timestamp; + static constexpr int max_error_entries = DATA_SYNC_MAX_ERR_ENTRIES; + + ceph::coarse_real_time error_retry_time; + +#define RETRY_BACKOFF_SECS_MIN 60 +#define RETRY_BACKOFF_SECS_DEFAULT 60 +#define RETRY_BACKOFF_SECS_MAX 600 + uint32_t retry_backoff_secs = RETRY_BACKOFF_SECS_DEFAULT; + + RGWSyncTraceNodeRef tn; + + rgw_bucket_shard source_bs; + + // target number of entries to cache before recycling idle ones + static constexpr size_t target_cache_size = 256; + boost::intrusive_ptr<rgw::bucket_sync::Cache> bucket_shard_cache; + + int parse_bucket_key(const std::string& key, rgw_bucket_shard& bs) const { + return rgw_bucket_parse_bucket_key(sync_env->cct, key, + &bs.bucket, &bs.shard_id); + } + RGWCoroutine* sync_single_entry(const rgw_bucket_shard& src, + const std::string& key, + const std::string& marker, + ceph::real_time timestamp, bool retry) { + auto state = bucket_shard_cache->get(src); + auto obligation = rgw_data_sync_obligation{key, marker, timestamp, retry}; + return new RGWDataSyncSingleEntryCR(sc, std::move(state), std::move(obligation), + &*marker_tracker, error_repo, + lease_cr.get(), tn); + } +public: + RGWDataSyncShardCR(RGWDataSyncCtx *_sc, rgw_pool& _pool, + uint32_t _shard_id, rgw_data_sync_marker& _marker, + RGWSyncTraceNodeRef& _tn, bool *_reset_backoff) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + pool(_pool), shard_id(_shard_id), sync_marker(_marker), + status_oid(RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id)), + error_repo(pool, status_oid + ".retry"), tn(_tn), + bucket_shard_cache(rgw::bucket_sync::Cache::create(target_cache_size)) + { + set_description() << "data sync shard source_zone=" << sc->source_zone << " shard_id=" << shard_id; + } + + ~RGWDataSyncShardCR() override { + if (lease_cr) { + lease_cr->abort(); + } + } + + void append_modified_shards(set<string>& keys) { + std::lock_guard l{inc_lock}; + modified_shards.insert(keys.begin(), keys.end()); + } + + int operate(const DoutPrefixProvider *dpp) override { + int r; + while (true) { + switch (sync_marker.state) { + case rgw_data_sync_marker::FullSync: + r = full_sync(); + if (r < 0) { + if (r != -EBUSY) { + tn->log(10, SSTR("full sync failed (r=" << r << ")")); + } + return set_cr_error(r); + } + return 0; + case rgw_data_sync_marker::IncrementalSync: + r = incremental_sync(); + if (r < 0) { + if (r != -EBUSY) { + tn->log(10, SSTR("incremental sync failed (r=" << r << ")")); + } + return set_cr_error(r); + } + return 0; + default: + return set_cr_error(-EIO); + } + } + return 0; + } + + void init_lease_cr() { + set_status("acquiring sync lock"); + uint32_t lock_duration = cct->_conf->rgw_sync_lease_period; + string lock_name = "sync_lock"; + if (lease_cr) { + lease_cr->abort(); + } + auto store = sync_env->store; + lease_cr.reset(new RGWContinuousLeaseCR(sync_env->async_rados, store, + rgw_raw_obj(pool, status_oid), + lock_name, lock_duration, this)); + lease_stack.reset(spawn(lease_cr.get(), false)); + } + + int full_sync() { +#define OMAP_GET_MAX_ENTRIES 100 + int max_entries = OMAP_GET_MAX_ENTRIES; + reenter(&full_cr) { + tn->log(10, "start full sync"); + yield init_lease_cr(); + while (!lease_cr->is_locked()) { + if (lease_cr->is_done()) { + tn->log(5, "failed to take lease"); + set_status("lease lock failed, early abort"); + drain_all(); + return set_cr_error(lease_cr->get_ret_status()); + } + set_sleeping(true); + yield; + } + tn->log(10, "took lease"); + oid = full_data_sync_index_shard_oid(sc->source_zone, shard_id); + marker_tracker.emplace(sc, status_oid, sync_marker, tn); + total_entries = sync_marker.pos; + entry_timestamp = sync_marker.timestamp; // time when full sync started + do { + if (!lease_cr->is_locked()) { + lease_cr->go_down(); + drain_all(); + return set_cr_error(-ECANCELED); + } + omapvals = std::make_shared<RGWRadosGetOmapValsCR::Result>(); + yield call(new RGWRadosGetOmapValsCR(sync_env->store, rgw_raw_obj(pool, oid), + sync_marker.marker, max_entries, omapvals)); + if (retcode < 0) { + lease_cr->go_down(); + drain_all(); + return set_cr_error(retcode); + } + entries = std::move(omapvals->entries); + if (entries.size() > 0) { + tn->set_flag(RGW_SNS_FLAG_ACTIVE); /* actually have entries to sync */ + } + tn->log(20, SSTR("retrieved " << entries.size() << " entries to sync")); + iter = entries.begin(); + for (; iter != entries.end(); ++iter) { + retcode = parse_bucket_key(iter->first, source_bs); + if (retcode < 0) { + tn->log(1, SSTR("failed to parse bucket shard: " << iter->first)); + marker_tracker->try_update_high_marker(iter->first, 0, entry_timestamp); + continue; + } + tn->log(20, SSTR("full sync: " << iter->first)); + total_entries++; + if (!marker_tracker->start(iter->first, total_entries, entry_timestamp)) { + tn->log(0, SSTR("ERROR: cannot start syncing " << iter->first << ". Duplicate entry?")); + } else { + // fetch remote and write locally + yield_spawn_window(sync_single_entry(source_bs, iter->first, iter->first, + entry_timestamp, false), + spawn_window, std::nullopt); + } + sync_marker.marker = iter->first; + } + } while (omapvals->more); + omapvals.reset(); + + drain_all_but_stack(lease_stack.get()); + + tn->unset_flag(RGW_SNS_FLAG_ACTIVE); + + yield { + /* update marker to reflect we're done with full sync */ + sync_marker.state = rgw_data_sync_marker::IncrementalSync; + sync_marker.marker = sync_marker.next_step_marker; + sync_marker.next_step_marker.clear(); + call(new RGWSimpleRadosWriteCR<rgw_data_sync_marker>(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(pool, status_oid), + sync_marker)); + } + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to set sync marker: retcode=" << retcode)); + lease_cr->go_down(); + drain_all(); + return set_cr_error(retcode); + } + // keep lease and transition to incremental_sync() + } + return 0; + } + + int incremental_sync() { + reenter(&incremental_cr) { + tn->log(10, "start incremental sync"); + if (lease_cr) { + tn->log(10, "lease already held from full sync"); + } else { + yield init_lease_cr(); + while (!lease_cr->is_locked()) { + if (lease_cr->is_done()) { + tn->log(5, "failed to take lease"); + set_status("lease lock failed, early abort"); + drain_all(); + return set_cr_error(lease_cr->get_ret_status()); + } + set_sleeping(true); + yield; + } + set_status("lease acquired"); + tn->log(10, "took lease"); + } + marker_tracker.emplace(sc, status_oid, sync_marker, tn); + do { + if (!lease_cr->is_locked()) { + lease_cr->go_down(); + drain_all(); + return set_cr_error(-ECANCELED); + } + current_modified.clear(); + inc_lock.lock(); + current_modified.swap(modified_shards); + inc_lock.unlock(); + + if (current_modified.size() > 0) { + tn->set_flag(RGW_SNS_FLAG_ACTIVE); /* actually have entries to sync */ + } + /* process out of band updates */ + for (modified_iter = current_modified.begin(); modified_iter != current_modified.end(); ++modified_iter) { + retcode = parse_bucket_key(*modified_iter, source_bs); + if (retcode < 0) { + tn->log(1, SSTR("failed to parse bucket shard: " << *modified_iter)); + continue; + } + tn->log(20, SSTR("received async update notification: " << *modified_iter)); + spawn(sync_single_entry(source_bs, *modified_iter, string(), + ceph::real_time{}, false), false); + } + + if (error_retry_time <= ceph::coarse_real_clock::now()) { + /* process bucket shards that previously failed */ + omapvals = std::make_shared<RGWRadosGetOmapValsCR::Result>(); + yield call(new RGWRadosGetOmapValsCR(sync_env->store, error_repo, + error_marker, max_error_entries, omapvals)); + error_entries = std::move(omapvals->entries); + tn->log(20, SSTR("read error repo, got " << error_entries.size() << " entries")); + iter = error_entries.begin(); + for (; iter != error_entries.end(); ++iter) { + error_marker = iter->first; + entry_timestamp = rgw_error_repo_decode_value(iter->second); + retcode = parse_bucket_key(error_marker, source_bs); + if (retcode < 0) { + tn->log(1, SSTR("failed to parse bucket shard: " << error_marker)); + spawn(rgw_error_repo_remove_cr(sync_env->store->svc()->rados, error_repo, + error_marker, entry_timestamp), false); + continue; + } + tn->log(20, SSTR("handle error entry key=" << error_marker << " timestamp=" << entry_timestamp)); + spawn(sync_single_entry(source_bs, error_marker, "", + entry_timestamp, true), false); + } + if (!omapvals->more) { + if (error_marker.empty() && error_entries.empty()) { + /* the retry repo is empty, we back off a bit before calling it again */ + retry_backoff_secs *= 2; + if (retry_backoff_secs > RETRY_BACKOFF_SECS_MAX) { + retry_backoff_secs = RETRY_BACKOFF_SECS_MAX; + } + } else { + retry_backoff_secs = RETRY_BACKOFF_SECS_DEFAULT; + } + error_retry_time = ceph::coarse_real_clock::now() + make_timespan(retry_backoff_secs); + error_marker.clear(); + } + } + omapvals.reset(); + + tn->log(20, SSTR("shard_id=" << shard_id << " sync_marker=" << sync_marker.marker)); + yield call(new RGWReadRemoteDataLogShardCR(sc, shard_id, sync_marker.marker, + &next_marker, &log_entries, &truncated)); + if (retcode < 0 && retcode != -ENOENT) { + tn->log(0, SSTR("ERROR: failed to read remote data log info: ret=" << retcode)); + lease_cr->go_down(); + drain_all(); + return set_cr_error(retcode); + } + + if (log_entries.size() > 0) { + tn->set_flag(RGW_SNS_FLAG_ACTIVE); /* actually have entries to sync */ + } + + for (log_iter = log_entries.begin(); log_iter != log_entries.end(); ++log_iter) { + tn->log(20, SSTR("shard_id=" << shard_id << " log_entry: " << log_iter->log_id << ":" << log_iter->log_timestamp << ":" << log_iter->entry.key)); + retcode = parse_bucket_key(log_iter->entry.key, source_bs); + if (retcode < 0) { + tn->log(1, SSTR("failed to parse bucket shard: " << log_iter->entry.key)); + marker_tracker->try_update_high_marker(log_iter->log_id, 0, log_iter->log_timestamp); + continue; + } + if (!marker_tracker->start(log_iter->log_id, 0, log_iter->log_timestamp)) { + tn->log(0, SSTR("ERROR: cannot start syncing " << log_iter->log_id << ". Duplicate entry?")); + } else { + yield_spawn_window(sync_single_entry(source_bs, log_iter->entry.key, log_iter->log_id, + log_iter->log_timestamp, false), + spawn_window, std::nullopt); + } + } + + tn->log(20, SSTR("shard_id=" << shard_id << " sync_marker=" << sync_marker.marker + << " next_marker=" << next_marker << " truncated=" << truncated)); + if (!next_marker.empty()) { + sync_marker.marker = next_marker; + } else if (!log_entries.empty()) { + sync_marker.marker = log_entries.back().log_id; + } + if (!truncated) { + // we reached the end, wait a while before checking for more + tn->unset_flag(RGW_SNS_FLAG_ACTIVE); + yield wait(get_idle_interval()); + } + } while (true); + } + return 0; + } + + utime_t get_idle_interval() const { +#define INCREMENTAL_INTERVAL 20 + ceph::timespan interval = std::chrono::seconds(INCREMENTAL_INTERVAL); + if (!ceph::coarse_real_clock::is_zero(error_retry_time)) { + auto now = ceph::coarse_real_clock::now(); + if (error_retry_time > now) { + auto d = error_retry_time - now; + if (interval > d) { + interval = d; + } + } + } + // convert timespan -> time_point -> utime_t + return utime_t(ceph::coarse_real_clock::zero() + interval); + } +}; + +class RGWDataSyncShardControlCR : public RGWBackoffControlCR { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw_pool pool; + + uint32_t shard_id; + rgw_data_sync_marker sync_marker; + + RGWSyncTraceNodeRef tn; +public: + RGWDataSyncShardControlCR(RGWDataSyncCtx *_sc, const rgw_pool& _pool, + uint32_t _shard_id, rgw_data_sync_marker& _marker, + RGWSyncTraceNodeRef& _tn_parent) : RGWBackoffControlCR(_sc->cct, false), + sc(_sc), sync_env(_sc->env), + pool(_pool), + shard_id(_shard_id), + sync_marker(_marker) { + tn = sync_env->sync_tracer->add_node(_tn_parent, "shard", std::to_string(shard_id)); + } + + RGWCoroutine *alloc_cr() override { + return new RGWDataSyncShardCR(sc, pool, shard_id, sync_marker, tn, backoff_ptr()); + } + + RGWCoroutine *alloc_finisher_cr() override { + return new RGWSimpleRadosReadCR<rgw_data_sync_marker>(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id)), + &sync_marker); + } + + void append_modified_shards(set<string>& keys) { + std::lock_guard l{cr_lock()}; + + RGWDataSyncShardCR *cr = static_cast<RGWDataSyncShardCR *>(get_cr()); + if (!cr) { + return; + } + + cr->append_modified_shards(keys); + } +}; + +class RGWDataSyncCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + uint32_t num_shards; + + rgw_data_sync_status sync_status; + + ceph::mutex shard_crs_lock = + ceph::make_mutex("RGWDataSyncCR::shard_crs_lock"); + map<int, RGWDataSyncShardControlCR *> shard_crs; + + bool *reset_backoff; + + RGWSyncTraceNodeRef tn; + + RGWDataSyncModule *data_sync_module{nullptr}; +public: + RGWDataSyncCR(RGWDataSyncCtx *_sc, uint32_t _num_shards, RGWSyncTraceNodeRef& _tn, bool *_reset_backoff) : RGWCoroutine(_sc->cct), + sc(_sc), sync_env(_sc->env), + num_shards(_num_shards), + reset_backoff(_reset_backoff), tn(_tn) { + + } + + ~RGWDataSyncCR() override { + for (auto iter : shard_crs) { + iter.second->put(); + } + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + + /* read sync status */ + yield call(new RGWReadDataSyncStatusCoroutine(sc, &sync_status)); + + data_sync_module = sync_env->sync_module->get_data_handler(); + + if (retcode < 0 && retcode != -ENOENT) { + tn->log(0, SSTR("ERROR: failed to fetch sync status, retcode=" << retcode)); + return set_cr_error(retcode); + } + + /* state: init status */ + if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateInit) { + tn->log(20, SSTR("init")); + sync_status.sync_info.num_shards = num_shards; + uint64_t instance_id; + instance_id = ceph::util::generate_random_number<uint64_t>(); + yield call(new RGWInitDataSyncStatusCoroutine(sc, num_shards, instance_id, tn, &sync_status)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to init sync, retcode=" << retcode)); + return set_cr_error(retcode); + } + // sets state = StateBuildingFullSyncMaps + + *reset_backoff = true; + } + + data_sync_module->init(sc, sync_status.sync_info.instance_id); + + if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateBuildingFullSyncMaps) { + tn->log(10, SSTR("building full sync maps")); + /* call sync module init here */ + sync_status.sync_info.num_shards = num_shards; + yield call(data_sync_module->init_sync(sc)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: sync module init_sync() failed, retcode=" << retcode)); + return set_cr_error(retcode); + } + /* state: building full sync maps */ + yield call(new RGWListBucketIndexesCR(sc, &sync_status)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to build full sync maps, retcode=" << retcode)); + return set_cr_error(retcode); + } + sync_status.sync_info.state = rgw_data_sync_info::StateSync; + + /* update new state */ + yield call(set_sync_info_cr()); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to write sync status, retcode=" << retcode)); + return set_cr_error(retcode); + } + + *reset_backoff = true; + } + + yield call(data_sync_module->start_sync(sc)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to start sync, retcode=" << retcode)); + return set_cr_error(retcode); + } + + yield { + if ((rgw_data_sync_info::SyncState)sync_status.sync_info.state == rgw_data_sync_info::StateSync) { + tn->log(10, SSTR("spawning " << num_shards << " shards sync")); + for (map<uint32_t, rgw_data_sync_marker>::iterator iter = sync_status.sync_markers.begin(); + iter != sync_status.sync_markers.end(); ++iter) { + RGWDataSyncShardControlCR *cr = new RGWDataSyncShardControlCR(sc, sync_env->svc->zone->get_zone_params().log_pool, + iter->first, iter->second, tn); + cr->get(); + shard_crs_lock.lock(); + shard_crs[iter->first] = cr; + shard_crs_lock.unlock(); + spawn(cr, true); + } + } + } + + return set_cr_done(); + } + return 0; + } + + RGWCoroutine *set_sync_info_cr() { + return new RGWSimpleRadosWriteCR<rgw_data_sync_info>(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, RGWDataSyncStatusManager::sync_status_oid(sc->source_zone)), + sync_status.sync_info); + } + + void wakeup(int shard_id, set<string>& keys) { + std::lock_guard l{shard_crs_lock}; + map<int, RGWDataSyncShardControlCR *>::iterator iter = shard_crs.find(shard_id); + if (iter == shard_crs.end()) { + return; + } + iter->second->append_modified_shards(keys); + iter->second->wakeup(); + } +}; + +class RGWDefaultDataSyncModule : public RGWDataSyncModule { +public: + RGWDefaultDataSyncModule() {} + + RGWCoroutine *sync_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, std::optional<uint64_t> versioned_epoch, rgw_zone_set *zones_trace) override; + RGWCoroutine *remove_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override; + RGWCoroutine *create_delete_marker(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, + rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override; +}; + +class RGWDefaultSyncModuleInstance : public RGWSyncModuleInstance { + RGWDefaultDataSyncModule data_handler; +public: + RGWDefaultSyncModuleInstance() {} + RGWDataSyncModule *get_data_handler() override { + return &data_handler; + } + bool supports_user_writes() override { + return true; + } +}; + +int RGWDefaultSyncModule::create_instance(CephContext *cct, const JSONFormattable& config, RGWSyncModuleInstanceRef *instance) +{ + instance->reset(new RGWDefaultSyncModuleInstance()); + return 0; +} + +class RGWUserPermHandler { + friend struct Init; + friend class Bucket; + + RGWDataSyncEnv *sync_env; + rgw_user uid; + + struct _info { + RGWUserInfo user_info; + rgw::IAM::Environment env; + std::unique_ptr<rgw::auth::Identity> identity; + RGWAccessControlPolicy user_acl; + }; + + std::shared_ptr<_info> info; + + struct Init; + + std::shared_ptr<Init> init_action; + + struct Init : public RGWGenericAsyncCR::Action { + RGWDataSyncEnv *sync_env; + + rgw_user uid; + std::shared_ptr<RGWUserPermHandler::_info> info; + + int ret{0}; + + Init(RGWUserPermHandler *handler) : sync_env(handler->sync_env), + uid(handler->uid), + info(handler->info) {} + int operate() override { + auto user_ctl = sync_env->store->getRados()->ctl.user; + + ret = user_ctl->get_info_by_uid(sync_env->dpp, uid, &info->user_info, null_yield); + if (ret < 0) { + return ret; + } + + info->identity = rgw::auth::transform_old_authinfo(sync_env->cct, + uid, + RGW_PERM_FULL_CONTROL, + false, /* system_request? */ + TYPE_RGW); + + map<string, bufferlist> uattrs; + + ret = user_ctl->get_attrs_by_uid(sync_env->dpp, uid, &uattrs, null_yield); + if (ret == 0) { + ret = RGWUserPermHandler::policy_from_attrs(sync_env->cct, uattrs, &info->user_acl); + } + if (ret == -ENOENT) { + info->user_acl.create_default(uid, info->user_info.display_name); + } + + return 0; + } + }; + +public: + RGWUserPermHandler(RGWDataSyncEnv *_sync_env, + const rgw_user& _uid) : sync_env(_sync_env), + uid(_uid) {} + + RGWCoroutine *init_cr() { + info = make_shared<_info>(); + init_action = make_shared<Init>(this); + + return new RGWGenericAsyncCR(sync_env->cct, + sync_env->async_rados, + init_action); + } + + class Bucket { + RGWDataSyncEnv *sync_env; + std::shared_ptr<_info> info; + RGWAccessControlPolicy bucket_acl; + std::optional<perm_state> ps; + public: + Bucket() {} + + int init(RGWUserPermHandler *handler, + const RGWBucketInfo& bucket_info, + const map<string, bufferlist>& bucket_attrs); + + bool verify_bucket_permission(int perm); + bool verify_object_permission(const map<string, bufferlist>& obj_attrs, + int perm); + }; + + static int policy_from_attrs(CephContext *cct, + const map<string, bufferlist>& attrs, + RGWAccessControlPolicy *acl) { + acl->set_ctx(cct); + + auto aiter = attrs.find(RGW_ATTR_ACL); + if (aiter == attrs.end()) { + return -ENOENT; + } + auto iter = aiter->second.begin(); + try { + acl->decode(iter); + } catch (buffer::error& err) { + ldout(cct, 0) << "ERROR: " << __func__ << "(): could not decode policy, caught buffer::error" << dendl; + return -EIO; + } + + return 0; + } + + int init_bucket(const RGWBucketInfo& bucket_info, + const map<string, bufferlist>& bucket_attrs, + Bucket *bs) { + return bs->init(this, bucket_info, bucket_attrs); + } +}; + +int RGWUserPermHandler::Bucket::init(RGWUserPermHandler *handler, + const RGWBucketInfo& bucket_info, + const map<string, bufferlist>& bucket_attrs) +{ + sync_env = handler->sync_env; + info = handler->info; + + int r = RGWUserPermHandler::policy_from_attrs(sync_env->cct, bucket_attrs, &bucket_acl); + if (r < 0) { + return r; + } + + ps.emplace(sync_env->cct, + info->env, + info->identity.get(), + bucket_info, + info->identity->get_perm_mask(), + false, /* defer to bucket acls */ + nullptr, /* referer */ + false); /* request_payer */ + + return 0; +} + +bool RGWUserPermHandler::Bucket::verify_bucket_permission(int perm) +{ + return verify_bucket_permission_no_policy(sync_env->dpp, + &(*ps), + &info->user_acl, + &bucket_acl, + perm); +} + +bool RGWUserPermHandler::Bucket::verify_object_permission(const map<string, bufferlist>& obj_attrs, + int perm) +{ + RGWAccessControlPolicy obj_acl; + + int r = policy_from_attrs(sync_env->cct, obj_attrs, &obj_acl); + if (r < 0) { + return r; + } + + return verify_bucket_permission_no_policy(sync_env->dpp, + &(*ps), + &bucket_acl, + &obj_acl, + perm); +} + +class RGWFetchObjFilter_Sync : public RGWFetchObjFilter_Default { + rgw_bucket_sync_pipe sync_pipe; + + std::shared_ptr<RGWUserPermHandler::Bucket> bucket_perms; + std::optional<rgw_sync_pipe_dest_params> verify_dest_params; + + std::optional<ceph::real_time> mtime; + std::optional<string> etag; + std::optional<uint64_t> obj_size; + + std::unique_ptr<rgw::auth::Identity> identity; + + std::shared_ptr<bool> need_retry; + +public: + RGWFetchObjFilter_Sync(rgw_bucket_sync_pipe& _sync_pipe, + std::shared_ptr<RGWUserPermHandler::Bucket>& _bucket_perms, + std::optional<rgw_sync_pipe_dest_params>&& _verify_dest_params, + std::shared_ptr<bool>& _need_retry) : sync_pipe(_sync_pipe), + bucket_perms(_bucket_perms), + verify_dest_params(std::move(_verify_dest_params)), + need_retry(_need_retry) { + *need_retry = false; + } + + int filter(CephContext *cct, + const rgw_obj_key& source_key, + const RGWBucketInfo& dest_bucket_info, + std::optional<rgw_placement_rule> dest_placement_rule, + const map<string, bufferlist>& obj_attrs, + std::optional<rgw_user> *poverride_owner, + const rgw_placement_rule **prule) override; +}; + +int RGWFetchObjFilter_Sync::filter(CephContext *cct, + const rgw_obj_key& source_key, + const RGWBucketInfo& dest_bucket_info, + std::optional<rgw_placement_rule> dest_placement_rule, + const map<string, bufferlist>& obj_attrs, + std::optional<rgw_user> *poverride_owner, + const rgw_placement_rule **prule) +{ + int abort_err = -ERR_PRECONDITION_FAILED; + + rgw_sync_pipe_params params; + + RGWObjTags obj_tags; + + auto iter = obj_attrs.find(RGW_ATTR_TAGS); + if (iter != obj_attrs.end()) { + try { + auto it = iter->second.cbegin(); + obj_tags.decode(it); + } catch (buffer::error &err) { + ldout(cct, 0) << "ERROR: " << __func__ << ": caught buffer::error couldn't decode TagSet " << dendl; + } + } + + if (!sync_pipe.info.handler.find_obj_params(source_key, + obj_tags.get_tags(), + ¶ms)) { + return abort_err; + } + + if (verify_dest_params && + !(*verify_dest_params == params.dest)) { + /* raced! original dest params were different, will need to retry */ + ldout(cct, 0) << "WARNING: " << __func__ << ": pipe dest params are different than original params, must have raced with object rewrite, retrying" << dendl; + *need_retry = true; + return -ECANCELED; + } + + std::optional<std::map<string, bufferlist> > new_attrs; + + if (params.dest.acl_translation) { + rgw_user& acl_translation_owner = params.dest.acl_translation->owner; + if (!acl_translation_owner.empty()) { + if (params.mode == rgw_sync_pipe_params::MODE_USER && + acl_translation_owner != dest_bucket_info.owner) { + ldout(cct, 0) << "ERROR: " << __func__ << ": acl translation was requested, but user (" << acl_translation_owner + << ") is not dest bucket owner (" << dest_bucket_info.owner << ")" << dendl; + return -EPERM; + } + *poverride_owner = acl_translation_owner; + } + } + if (params.mode == rgw_sync_pipe_params::MODE_USER) { + if (!bucket_perms->verify_object_permission(obj_attrs, RGW_PERM_READ)) { + ldout(cct, 0) << "ERROR: " << __func__ << ": permission check failed: user not allowed to fetch object" << dendl; + return -EPERM; + } + } + + if (!dest_placement_rule && + params.dest.storage_class) { + dest_rule.storage_class = *params.dest.storage_class; + dest_rule.inherit_from(dest_bucket_info.placement_rule); + dest_placement_rule = dest_rule; + *prule = &dest_rule; + } + + return RGWFetchObjFilter_Default::filter(cct, + source_key, + dest_bucket_info, + dest_placement_rule, + obj_attrs, + poverride_owner, + prule); +} + +class RGWObjFetchCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw_bucket_sync_pipe& sync_pipe; + rgw_obj_key& key; + std::optional<rgw_obj_key> dest_key; + std::optional<uint64_t> versioned_epoch; + rgw_zone_set *zones_trace; + + bool need_more_info{false}; + bool check_change{false}; + + ceph::real_time src_mtime; + uint64_t src_size; + string src_etag; + map<string, bufferlist> src_attrs; + map<string, string> src_headers; + + std::optional<rgw_user> param_user; + rgw_sync_pipe_params::Mode param_mode; + + std::optional<RGWUserPermHandler> user_perms; + std::shared_ptr<RGWUserPermHandler::Bucket> source_bucket_perms; + RGWUserPermHandler::Bucket dest_bucket_perms; + + std::optional<rgw_sync_pipe_dest_params> dest_params; + + int try_num{0}; + std::shared_ptr<bool> need_retry; +public: + RGWObjFetchCR(RGWDataSyncCtx *_sc, + rgw_bucket_sync_pipe& _sync_pipe, + rgw_obj_key& _key, + std::optional<rgw_obj_key> _dest_key, + std::optional<uint64_t> _versioned_epoch, + rgw_zone_set *_zones_trace) : RGWCoroutine(_sc->cct), + sc(_sc), sync_env(_sc->env), + sync_pipe(_sync_pipe), + key(_key), + dest_key(_dest_key), + versioned_epoch(_versioned_epoch), + zones_trace(_zones_trace) { + } + + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + +#define MAX_RACE_RETRIES_OBJ_FETCH 10 + for (try_num = 0; try_num < MAX_RACE_RETRIES_OBJ_FETCH; ++try_num) { + + { + std::optional<rgw_user> param_acl_translation; + std::optional<string> param_storage_class; + + if (!sync_pipe.info.handler.find_basic_info_without_tags(key, + ¶m_user, + ¶m_acl_translation, + ¶m_storage_class, + ¶m_mode, + &need_more_info)) { + if (!need_more_info) { + return set_cr_error(-ERR_PRECONDITION_FAILED); + } + } + } + + if (need_more_info) { + ldout(cct, 20) << "Could not determine exact policy rule for obj=" << key << ", will read source object attributes" << dendl; + /* + * we need to fetch info about source object, so that we can determine + * the correct policy configuration. This can happen if there are multiple + * policy rules, and some depend on the object tagging */ + yield call(new RGWStatRemoteObjCR(sync_env->async_rados, + sync_env->store, + sc->source_zone, + sync_pipe.info.source_bs.bucket, + key, + &src_mtime, + &src_size, + &src_etag, + &src_attrs, + &src_headers)); + if (retcode < 0) { + return set_cr_error(retcode); + } + + RGWObjTags obj_tags; + + auto iter = src_attrs.find(RGW_ATTR_TAGS); + if (iter != src_attrs.end()) { + try { + auto it = iter->second.cbegin(); + obj_tags.decode(it); + } catch (buffer::error &err) { + ldout(cct, 0) << "ERROR: " << __func__ << ": caught buffer::error couldn't decode TagSet " << dendl; + } + } + + rgw_sync_pipe_params params; + if (!sync_pipe.info.handler.find_obj_params(key, + obj_tags.get_tags(), + ¶ms)) { + return set_cr_error(-ERR_PRECONDITION_FAILED); + } + + param_user = params.user; + param_mode = params.mode; + + dest_params = params.dest; + } + + if (param_mode == rgw_sync_pipe_params::MODE_USER) { + if (!param_user) { + ldout(cct, 20) << "ERROR: " << __func__ << ": user level sync but user param not set" << dendl; + return set_cr_error(-EPERM); + } + user_perms.emplace(sync_env, *param_user); + + yield call(user_perms->init_cr()); + if (retcode < 0) { + ldout(cct, 20) << "ERROR: " << __func__ << ": failed to init user perms manager for uid=" << *param_user << dendl; + return set_cr_error(retcode); + } + + /* verify that user is allowed to write at the target bucket */ + int r = user_perms->init_bucket(sync_pipe.dest_bucket_info, + sync_pipe.dest_bucket_attrs, + &dest_bucket_perms); + if (r < 0) { + ldout(cct, 20) << "ERROR: " << __func__ << ": failed to init bucket perms manager for uid=" << *param_user << " bucket=" << sync_pipe.source_bucket_info.bucket.get_key() << dendl; + return set_cr_error(retcode); + } + + if (!dest_bucket_perms.verify_bucket_permission(RGW_PERM_WRITE)) { + ldout(cct, 0) << "ERROR: " << __func__ << ": permission check failed: user not allowed to write into bucket (bucket=" << sync_pipe.info.dest_bs.bucket.get_key() << ")" << dendl; + return -EPERM; + } + + /* init source bucket permission structure */ + source_bucket_perms = make_shared<RGWUserPermHandler::Bucket>(); + r = user_perms->init_bucket(sync_pipe.source_bucket_info, + sync_pipe.source_bucket_attrs, + source_bucket_perms.get()); + if (r < 0) { + ldout(cct, 20) << "ERROR: " << __func__ << ": failed to init bucket perms manager for uid=" << *param_user << " bucket=" << sync_pipe.source_bucket_info.bucket.get_key() << dendl; + return set_cr_error(retcode); + } + } + + yield { + if (!need_retry) { + need_retry = make_shared<bool>(); + } + auto filter = make_shared<RGWFetchObjFilter_Sync>(sync_pipe, + source_bucket_perms, + std::move(dest_params), + need_retry); + + call(new RGWFetchRemoteObjCR(sync_env->async_rados, sync_env->store, sc->source_zone, + nullopt, + sync_pipe.info.source_bs.bucket, + std::nullopt, sync_pipe.dest_bucket_info, + key, dest_key, versioned_epoch, + true, + std::static_pointer_cast<RGWFetchObjFilter>(filter), + zones_trace, sync_env->counters, dpp)); + } + if (retcode < 0) { + if (*need_retry) { + continue; + } + return set_cr_error(retcode); + } + + return set_cr_done(); + } + + ldout(cct, 0) << "ERROR: " << __func__ << ": Too many retries trying to fetch object, possibly a bug: bucket=" << sync_pipe.source_bucket_info.bucket.get_key() << " key=" << key << dendl; + + return set_cr_error(-EIO); + } + return 0; + } +}; + +RGWCoroutine *RGWDefaultDataSyncModule::sync_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, std::optional<uint64_t> versioned_epoch, rgw_zone_set *zones_trace) +{ + return new RGWObjFetchCR(sc, sync_pipe, key, std::nullopt, versioned_epoch, zones_trace); +} + +RGWCoroutine *RGWDefaultDataSyncModule::remove_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, + real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) +{ + auto sync_env = sc->env; + return new RGWRemoveObjCR(sync_env->dpp, sync_env->async_rados, sync_env->store, sc->source_zone, + sync_pipe.dest_bucket_info, key, versioned, versioned_epoch, + NULL, NULL, false, &mtime, zones_trace); +} + +RGWCoroutine *RGWDefaultDataSyncModule::create_delete_marker(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, + rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) +{ + auto sync_env = sc->env; + return new RGWRemoveObjCR(sync_env->dpp, sync_env->async_rados, sync_env->store, sc->source_zone, + sync_pipe.dest_bucket_info, key, versioned, versioned_epoch, + &owner.id, &owner.display_name, true, &mtime, zones_trace); +} + +class RGWArchiveDataSyncModule : public RGWDefaultDataSyncModule { +public: + RGWArchiveDataSyncModule() {} + + RGWCoroutine *sync_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, std::optional<uint64_t> versioned_epoch, rgw_zone_set *zones_trace) override; + RGWCoroutine *remove_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override; + RGWCoroutine *create_delete_marker(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, + rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) override; +}; + +class RGWArchiveSyncModuleInstance : public RGWDefaultSyncModuleInstance { + RGWArchiveDataSyncModule data_handler; +public: + RGWArchiveSyncModuleInstance() {} + RGWDataSyncModule *get_data_handler() override { + return &data_handler; + } + RGWMetadataHandler *alloc_bucket_meta_handler() override { + return RGWArchiveBucketMetaHandlerAllocator::alloc(); + } + RGWBucketInstanceMetadataHandlerBase *alloc_bucket_instance_meta_handler() override { + return RGWArchiveBucketInstanceMetaHandlerAllocator::alloc(); + } +}; + +int RGWArchiveSyncModule::create_instance(CephContext *cct, const JSONFormattable& config, RGWSyncModuleInstanceRef *instance) +{ + instance->reset(new RGWArchiveSyncModuleInstance()); + return 0; +} + +RGWCoroutine *RGWArchiveDataSyncModule::sync_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, std::optional<uint64_t> versioned_epoch, rgw_zone_set *zones_trace) +{ + auto sync_env = sc->env; + ldout(sc->cct, 5) << "SYNC_ARCHIVE: sync_object: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " versioned_epoch=" << versioned_epoch.value_or(0) << dendl; + if (!sync_pipe.dest_bucket_info.versioned() || + (sync_pipe.dest_bucket_info.flags & BUCKET_VERSIONS_SUSPENDED)) { + ldout(sc->cct, 0) << "SYNC_ARCHIVE: sync_object: enabling object versioning for archive bucket" << dendl; + sync_pipe.dest_bucket_info.flags = (sync_pipe.dest_bucket_info.flags & ~BUCKET_VERSIONS_SUSPENDED) | BUCKET_VERSIONED; + int op_ret = sync_env->store->getRados()->put_bucket_instance_info(sync_pipe.dest_bucket_info, false, real_time(), NULL, sync_env->dpp); + if (op_ret < 0) { + ldpp_dout(sync_env->dpp, 0) << "SYNC_ARCHIVE: sync_object: error versioning archive bucket" << dendl; + return NULL; + } + } + + std::optional<rgw_obj_key> dest_key; + + if (versioned_epoch.value_or(0) == 0) { /* force version if not set */ + versioned_epoch = 0; + dest_key = key; + if (key.instance.empty()) { + sync_env->store->getRados()->gen_rand_obj_instance_name(&(*dest_key)); + } + } + + return new RGWObjFetchCR(sc, sync_pipe, key, dest_key, versioned_epoch, zones_trace); +} + +RGWCoroutine *RGWArchiveDataSyncModule::remove_object(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, + real_time& mtime, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) +{ + ldout(sc->cct, 0) << "SYNC_ARCHIVE: remove_object: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " versioned_epoch=" << versioned_epoch << dendl; + return NULL; +} + +RGWCoroutine *RGWArchiveDataSyncModule::create_delete_marker(RGWDataSyncCtx *sc, rgw_bucket_sync_pipe& sync_pipe, rgw_obj_key& key, real_time& mtime, + rgw_bucket_entry_owner& owner, bool versioned, uint64_t versioned_epoch, rgw_zone_set *zones_trace) +{ + ldout(sc->cct, 0) << "SYNC_ARCHIVE: create_delete_marker: b=" << sync_pipe.info.source_bs.bucket << " k=" << key << " mtime=" << mtime + << " versioned=" << versioned << " versioned_epoch=" << versioned_epoch << dendl; + auto sync_env = sc->env; + return new RGWRemoveObjCR(sync_env->dpp, sync_env->async_rados, sync_env->store, sc->source_zone, + sync_pipe.dest_bucket_info, key, versioned, versioned_epoch, + &owner.id, &owner.display_name, true, &mtime, zones_trace); +} + +class RGWDataSyncControlCR : public RGWBackoffControlCR +{ + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + uint32_t num_shards; + + RGWSyncTraceNodeRef tn; + + static constexpr bool exit_on_error = false; // retry on all errors +public: + RGWDataSyncControlCR(RGWDataSyncCtx *_sc, uint32_t _num_shards, + RGWSyncTraceNodeRef& _tn_parent) : RGWBackoffControlCR(_sc->cct, exit_on_error), + sc(_sc), sync_env(_sc->env), num_shards(_num_shards) { + tn = sync_env->sync_tracer->add_node(_tn_parent, "sync"); + } + + RGWCoroutine *alloc_cr() override { + return new RGWDataSyncCR(sc, num_shards, tn, backoff_ptr()); + } + + void wakeup(int shard_id, set<string>& keys) { + ceph::mutex& m = cr_lock(); + + m.lock(); + RGWDataSyncCR *cr = static_cast<RGWDataSyncCR *>(get_cr()); + if (!cr) { + m.unlock(); + return; + } + + cr->get(); + m.unlock(); + + if (cr) { + tn->log(20, SSTR("notify shard=" << shard_id << " keys=" << keys)); + cr->wakeup(shard_id, keys); + } + + cr->put(); + } +}; + +void RGWRemoteDataLog::wakeup(int shard_id, set<string>& keys) { + std::shared_lock rl{lock}; + if (!data_sync_cr) { + return; + } + data_sync_cr->wakeup(shard_id, keys); +} + +int RGWRemoteDataLog::run_sync(const DoutPrefixProvider *dpp, int num_shards) +{ + lock.lock(); + data_sync_cr = new RGWDataSyncControlCR(&sc, num_shards, tn); + data_sync_cr->get(); // run() will drop a ref, so take another + lock.unlock(); + + int r = run(dpp, data_sync_cr); + + lock.lock(); + data_sync_cr->put(); + data_sync_cr = NULL; + lock.unlock(); + + if (r < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to run sync" << dendl; + return r; + } + return 0; +} + +CephContext *RGWDataSyncStatusManager::get_cct() const +{ + return store->ctx(); +} + +int RGWDataSyncStatusManager::init(const DoutPrefixProvider *dpp) +{ + RGWZone *zone_def; + + if (!store->svc()->zone->find_zone(source_zone, &zone_def)) { + ldpp_dout(this, 0) << "ERROR: failed to find zone config info for zone=" << source_zone << dendl; + return -EIO; + } + + if (!store->svc()->sync_modules->get_manager()->supports_data_export(zone_def->tier_type)) { + return -ENOTSUP; + } + + const RGWZoneParams& zone_params = store->svc()->zone->get_zone_params(); + + if (sync_module == nullptr) { + sync_module = store->getRados()->get_sync_module(); + } + + conn = store->svc()->zone->get_zone_conn(source_zone); + if (!conn) { + ldpp_dout(this, 0) << "connection object to zone " << source_zone << " does not exist" << dendl; + return -EINVAL; + } + + error_logger = new RGWSyncErrorLogger(store, RGW_SYNC_ERROR_LOG_SHARD_PREFIX, ERROR_LOGGER_SHARDS); + + int r = source_log.init(source_zone, conn, error_logger, store->getRados()->get_sync_tracer(), + sync_module, counters); + if (r < 0) { + ldpp_dout(this, 0) << "ERROR: failed to init remote log, r=" << r << dendl; + finalize(); + return r; + } + + rgw_datalog_info datalog_info; + r = source_log.read_log_info(dpp, &datalog_info); + if (r < 0) { + ldpp_dout(this, 5) << "ERROR: master.read_log_info() returned r=" << r << dendl; + finalize(); + return r; + } + + num_shards = datalog_info.num_shards; + + for (int i = 0; i < num_shards; i++) { + shard_objs[i] = rgw_raw_obj(zone_params.log_pool, shard_obj_name(source_zone, i)); + } + + return 0; +} + +void RGWDataSyncStatusManager::finalize() +{ + delete error_logger; + error_logger = nullptr; +} + +unsigned RGWDataSyncStatusManager::get_subsys() const +{ + return dout_subsys; +} + +std::ostream& RGWDataSyncStatusManager::gen_prefix(std::ostream& out) const +{ + auto zone = std::string_view{source_zone.id}; + return out << "data sync zone:" << zone.substr(0, 8) << ' '; +} + +string RGWDataSyncStatusManager::sync_status_oid(const rgw_zone_id& source_zone) +{ + char buf[datalog_sync_status_oid_prefix.size() + source_zone.id.size() + 16]; + snprintf(buf, sizeof(buf), "%s.%s", datalog_sync_status_oid_prefix.c_str(), source_zone.id.c_str()); + + return string(buf); +} + +string RGWDataSyncStatusManager::shard_obj_name(const rgw_zone_id& source_zone, int shard_id) +{ + char buf[datalog_sync_status_shard_prefix.size() + source_zone.id.size() + 16]; + snprintf(buf, sizeof(buf), "%s.%s.%d", datalog_sync_status_shard_prefix.c_str(), source_zone.id.c_str(), shard_id); + + return string(buf); +} + +class RGWReadRemoteBucketIndexLogInfoCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + const string instance_key; + + rgw_bucket_index_marker_info *info; + +public: + RGWReadRemoteBucketIndexLogInfoCR(RGWDataSyncCtx *_sc, + const rgw_bucket_shard& bs, + rgw_bucket_index_marker_info *_info) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + instance_key(bs.get_key()), info(_info) {} + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + yield { + rgw_http_param_pair pairs[] = { { "type" , "bucket-index" }, + { "bucket-instance", instance_key.c_str() }, + { "info" , NULL }, + { NULL, NULL } }; + + string p = "/admin/log/"; + call(new RGWReadRESTResourceCR<rgw_bucket_index_marker_info>(sync_env->cct, sc->conn, sync_env->http_manager, p, pairs, info)); + } + if (retcode < 0) { + return set_cr_error(retcode); + } + return set_cr_done(); + } + return 0; + } +}; + +class RGWInitBucketShardSyncStatusCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + const rgw_bucket_sync_pair_info& sync_pair; + const string sync_status_oid; + + rgw_bucket_shard_sync_info& status; + RGWObjVersionTracker& objv_tracker; + rgw_bucket_index_marker_info info; +public: + RGWInitBucketShardSyncStatusCoroutine(RGWDataSyncCtx *_sc, + const rgw_bucket_sync_pair_info& _sync_pair, + rgw_bucket_shard_sync_info& _status, + RGWObjVersionTracker& objv_tracker) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + sync_pair(_sync_pair), + sync_status_oid(RGWBucketPipeSyncStatusManager::status_oid(sc->source_zone, _sync_pair)), + status(_status), objv_tracker(objv_tracker) + {} + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + /* fetch current position in logs */ + yield call(new RGWReadRemoteBucketIndexLogInfoCR(sc, sync_pair.source_bs, &info)); + if (retcode < 0 && retcode != -ENOENT) { + ldout(cct, 0) << "ERROR: failed to fetch bucket index status" << dendl; + return set_cr_error(retcode); + } + yield { + auto store = sync_env->store; + rgw_raw_obj obj(sync_env->svc->zone->get_zone_params().log_pool, sync_status_oid); + const bool stopped = status.state == rgw_bucket_shard_sync_info::StateStopped; + bool write_status = false; + + if (info.syncstopped) { + if (stopped && !sync_env->sync_module->should_full_sync()) { + // preserve our current incremental marker position + write_status = true; + } + } else { + // whether or not to do full sync, incremental sync will follow anyway + if (sync_env->sync_module->should_full_sync()) { + status.state = rgw_bucket_shard_sync_info::StateFullSync; + status.inc_marker.position = info.max_marker; + } else { + // clear the marker position unless we're resuming from SYNCSTOP + if (!stopped) { + status.inc_marker.position = ""; + } + status.state = rgw_bucket_shard_sync_info::StateIncrementalSync; + } + write_status = true; + status.inc_marker.timestamp = ceph::real_clock::now(); + } + + if (write_status) { + map<string, bufferlist> attrs; + status.encode_all_attrs(attrs); + call(new RGWSimpleRadosWriteAttrsCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, obj, attrs, &objv_tracker)); + } else { + call(new RGWRadosRemoveCR(store, obj, &objv_tracker)); + } + } + if (info.syncstopped) { + retcode = -ENOENT; + } + if (retcode < 0) { + return set_cr_error(retcode); + } + return set_cr_done(); + } + return 0; + } +}; + +RGWRemoteBucketManager::RGWRemoteBucketManager(const DoutPrefixProvider *_dpp, + RGWDataSyncEnv *_sync_env, + const rgw_zone_id& _source_zone, + RGWRESTConn *_conn, + const RGWBucketInfo& source_bucket_info, + const rgw_bucket& dest_bucket) : dpp(_dpp), sync_env(_sync_env) +{ + conn = _conn; + source_zone = _source_zone; + + int num_shards = (source_bucket_info.layout.current_index.layout.normal.num_shards <= 0 ? + 1 : source_bucket_info.layout.current_index.layout.normal.num_shards); + + sync_pairs.resize(num_shards); + + int cur_shard = std::min<int>(source_bucket_info.layout.current_index.layout.normal.num_shards, 0); + + for (int i = 0; i < num_shards; ++i, ++cur_shard) { + auto& sync_pair = sync_pairs[i]; + + sync_pair.source_bs.bucket = source_bucket_info.bucket; + sync_pair.dest_bs.bucket = dest_bucket; + + sync_pair.source_bs.shard_id = (source_bucket_info.layout.current_index.layout.normal.num_shards > 0 ? cur_shard : -1); + + if (dest_bucket == source_bucket_info.bucket) { + sync_pair.dest_bs.shard_id = sync_pair.source_bs.shard_id; + } else { + sync_pair.dest_bs.shard_id = -1; + } + } + + sc.init(sync_env, conn, source_zone); +} + +RGWCoroutine *RGWRemoteBucketManager::init_sync_status_cr(int num, RGWObjVersionTracker& objv_tracker) +{ + if ((size_t)num >= sync_pairs.size()) { + return nullptr; + } + return new RGWInitBucketShardSyncStatusCoroutine(&sc, sync_pairs[num], init_status, objv_tracker); +} + +#define BUCKET_SYNC_ATTR_PREFIX RGW_ATTR_PREFIX "bucket-sync." + +template <class T> +static bool decode_attr(CephContext *cct, map<string, bufferlist>& attrs, const string& attr_name, T *val) +{ + map<string, bufferlist>::iterator iter = attrs.find(attr_name); + if (iter == attrs.end()) { + *val = T(); + return false; + } + + auto biter = iter->second.cbegin(); + try { + decode(*val, biter); + } catch (buffer::error& err) { + ldout(cct, 0) << "ERROR: failed to decode attribute: " << attr_name << dendl; + return false; + } + return true; +} + +void rgw_bucket_shard_sync_info::decode_from_attrs(CephContext *cct, map<string, bufferlist>& attrs) +{ + if (!decode_attr(cct, attrs, BUCKET_SYNC_ATTR_PREFIX "state", &state)) { + decode_attr(cct, attrs, "state", &state); + } + if (!decode_attr(cct, attrs, BUCKET_SYNC_ATTR_PREFIX "full_marker", &full_marker)) { + decode_attr(cct, attrs, "full_marker", &full_marker); + } + if (!decode_attr(cct, attrs, BUCKET_SYNC_ATTR_PREFIX "inc_marker", &inc_marker)) { + decode_attr(cct, attrs, "inc_marker", &inc_marker); + } +} + +void rgw_bucket_shard_sync_info::encode_all_attrs(map<string, bufferlist>& attrs) +{ + encode_state_attr(attrs); + full_marker.encode_attr(attrs); + inc_marker.encode_attr(attrs); +} + +void rgw_bucket_shard_sync_info::encode_state_attr(map<string, bufferlist>& attrs) +{ + using ceph::encode; + encode(state, attrs[BUCKET_SYNC_ATTR_PREFIX "state"]); +} + +void rgw_bucket_shard_full_sync_marker::encode_attr(map<string, bufferlist>& attrs) +{ + using ceph::encode; + encode(*this, attrs[BUCKET_SYNC_ATTR_PREFIX "full_marker"]); +} + +void rgw_bucket_shard_inc_sync_marker::encode_attr(map<string, bufferlist>& attrs) +{ + using ceph::encode; + encode(*this, attrs[BUCKET_SYNC_ATTR_PREFIX "inc_marker"]); +} + +class RGWReadBucketPipeSyncStatusCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + string oid; + rgw_bucket_shard_sync_info *status; + RGWObjVersionTracker* objv_tracker; + map<string, bufferlist> attrs; +public: + RGWReadBucketPipeSyncStatusCoroutine(RGWDataSyncCtx *_sc, + const rgw_bucket_sync_pair_info& sync_pair, + rgw_bucket_shard_sync_info *_status, + RGWObjVersionTracker* objv_tracker) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + oid(RGWBucketPipeSyncStatusManager::status_oid(sc->source_zone, sync_pair)), + status(_status), objv_tracker(objv_tracker) + {} + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWReadBucketPipeSyncStatusCoroutine::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + yield call(new RGWSimpleRadosReadAttrsCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, oid), + &attrs, true, objv_tracker)); + if (retcode == -ENOENT) { + *status = rgw_bucket_shard_sync_info(); + return set_cr_done(); + } + if (retcode < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to call fetch bucket shard info oid=" << oid << " ret=" << retcode << dendl; + return set_cr_error(retcode); + } + status->decode_from_attrs(sync_env->cct, attrs); + return set_cr_done(); + } + return 0; +} + +#define OMAP_READ_MAX_ENTRIES 10 +class RGWReadRecoveringBucketShardsCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw::sal::RGWRadosStore *store; + + const int shard_id; + int max_entries; + + set<string>& recovering_buckets; + string marker; + string error_oid; + + RGWRadosGetOmapKeysCR::ResultPtr omapkeys; + set<string> error_entries; + int max_omap_entries; + int count; + +public: + RGWReadRecoveringBucketShardsCoroutine(RGWDataSyncCtx *_sc, const int _shard_id, + set<string>& _recovering_buckets, const int _max_entries) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + store(sync_env->store), shard_id(_shard_id), max_entries(_max_entries), + recovering_buckets(_recovering_buckets), max_omap_entries(OMAP_READ_MAX_ENTRIES) + { + error_oid = RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id) + ".retry"; + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWReadRecoveringBucketShardsCoroutine::operate(const DoutPrefixProvider *dpp) +{ + reenter(this){ + //read recovering bucket shards + count = 0; + do { + omapkeys = std::make_shared<RGWRadosGetOmapKeysCR::Result>(); + yield call(new RGWRadosGetOmapKeysCR(store, rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, error_oid), + marker, max_omap_entries, omapkeys)); + + if (retcode == -ENOENT) { + break; + } + + if (retcode < 0) { + ldpp_dout(dpp, 0) << "failed to read recovering bucket shards with " + << cpp_strerror(retcode) << dendl; + return set_cr_error(retcode); + } + + error_entries = std::move(omapkeys->entries); + if (error_entries.empty()) { + break; + } + + count += error_entries.size(); + marker = *error_entries.rbegin(); + recovering_buckets.insert(std::make_move_iterator(error_entries.begin()), + std::make_move_iterator(error_entries.end())); + } while (omapkeys->more && count < max_entries); + + return set_cr_done(); + } + + return 0; +} + +class RGWReadPendingBucketShardsCoroutine : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw::sal::RGWRadosStore *store; + + const int shard_id; + int max_entries; + + set<string>& pending_buckets; + string marker; + string status_oid; + + rgw_data_sync_marker* sync_marker; + int count; + + std::string next_marker; + list<rgw_data_change_log_entry> log_entries; + bool truncated; + +public: + RGWReadPendingBucketShardsCoroutine(RGWDataSyncCtx *_sc, const int _shard_id, + set<string>& _pending_buckets, + rgw_data_sync_marker* _sync_marker, const int _max_entries) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + store(sync_env->store), shard_id(_shard_id), max_entries(_max_entries), + pending_buckets(_pending_buckets), sync_marker(_sync_marker) + { + status_oid = RGWDataSyncStatusManager::shard_obj_name(sc->source_zone, shard_id); + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWReadPendingBucketShardsCoroutine::operate(const DoutPrefixProvider *dpp) +{ + reenter(this){ + //read sync status marker + using CR = RGWSimpleRadosReadCR<rgw_data_sync_marker>; + yield call(new CR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, status_oid), + sync_marker)); + if (retcode < 0) { + ldpp_dout(dpp, 0) << "failed to read sync status marker with " + << cpp_strerror(retcode) << dendl; + return set_cr_error(retcode); + } + + //read pending bucket shards + marker = sync_marker->marker; + count = 0; + do{ + yield call(new RGWReadRemoteDataLogShardCR(sc, shard_id, marker, + &next_marker, &log_entries, &truncated)); + + if (retcode == -ENOENT) { + break; + } + + if (retcode < 0) { + ldpp_dout(dpp, 0) << "failed to read remote data log info with " + << cpp_strerror(retcode) << dendl; + return set_cr_error(retcode); + } + + if (log_entries.empty()) { + break; + } + + count += log_entries.size(); + for (const auto& entry : log_entries) { + pending_buckets.insert(entry.entry.key); + } + }while(truncated && count < max_entries); + + return set_cr_done(); + } + + return 0; +} + +int RGWRemoteDataLog::read_shard_status(const DoutPrefixProvider *dpp, int shard_id, set<string>& pending_buckets, set<string>& recovering_buckets, rgw_data_sync_marker *sync_marker, const int max_entries) +{ + // cannot run concurrently with run_sync(), so run in a separate manager + RGWCoroutinesManager crs(store->ctx(), store->getRados()->get_cr_registry()); + RGWHTTPManager http_manager(store->ctx(), crs.get_completion_mgr()); + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(dpp, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + RGWDataSyncEnv sync_env_local = sync_env; + sync_env_local.http_manager = &http_manager; + RGWDataSyncCtx sc_local = sc; + sc_local.env = &sync_env_local; + list<RGWCoroutinesStack *> stacks; + RGWCoroutinesStack* recovering_stack = new RGWCoroutinesStack(store->ctx(), &crs); + recovering_stack->call(new RGWReadRecoveringBucketShardsCoroutine(&sc_local, shard_id, recovering_buckets, max_entries)); + stacks.push_back(recovering_stack); + RGWCoroutinesStack* pending_stack = new RGWCoroutinesStack(store->ctx(), &crs); + pending_stack->call(new RGWReadPendingBucketShardsCoroutine(&sc_local, shard_id, pending_buckets, sync_marker, max_entries)); + stacks.push_back(pending_stack); + ret = crs.run(dpp, stacks); + http_manager.stop(); + return ret; +} + +RGWCoroutine *RGWRemoteBucketManager::read_sync_status_cr(int num, rgw_bucket_shard_sync_info *sync_status) +{ + if ((size_t)num >= sync_pairs.size()) { + return nullptr; + } + + return new RGWReadBucketPipeSyncStatusCoroutine(&sc, sync_pairs[num], sync_status, nullptr); +} + +RGWBucketPipeSyncStatusManager::RGWBucketPipeSyncStatusManager(rgw::sal::RGWRadosStore *_store, + std::optional<rgw_zone_id> _source_zone, + std::optional<rgw_bucket> _source_bucket, + const rgw_bucket& _dest_bucket) : store(_store), + cr_mgr(_store->ctx(), _store->getRados()->get_cr_registry()), + http_manager(store->ctx(), cr_mgr.get_completion_mgr()), + source_zone(_source_zone), source_bucket(_source_bucket), + conn(NULL), error_logger(NULL), + dest_bucket(_dest_bucket), + num_shards(0) +{ +} + +RGWBucketPipeSyncStatusManager::~RGWBucketPipeSyncStatusManager() +{ + for (vector<RGWRemoteBucketManager *>::iterator iter = source_mgrs.begin(); iter != source_mgrs.end(); ++iter) { + delete *iter; + } + delete error_logger; +} + +CephContext *RGWBucketPipeSyncStatusManager::get_cct() const +{ + return store->ctx(); +} + +void rgw_bucket_entry_owner::decode_json(JSONObj *obj) +{ + JSONDecoder::decode_json("ID", id, obj); + JSONDecoder::decode_json("DisplayName", display_name, obj); +} + +struct bucket_list_entry { + bool delete_marker; + rgw_obj_key key; + bool is_latest; + real_time mtime; + string etag; + uint64_t size; + string storage_class; + rgw_bucket_entry_owner owner; + uint64_t versioned_epoch; + string rgw_tag; + + bucket_list_entry() : delete_marker(false), is_latest(false), size(0), versioned_epoch(0) {} + + void decode_json(JSONObj *obj) { + JSONDecoder::decode_json("IsDeleteMarker", delete_marker, obj); + JSONDecoder::decode_json("Key", key.name, obj); + JSONDecoder::decode_json("VersionId", key.instance, obj); + JSONDecoder::decode_json("IsLatest", is_latest, obj); + string mtime_str; + JSONDecoder::decode_json("RgwxMtime", mtime_str, obj); + + struct tm t; + uint32_t nsec; + if (parse_iso8601(mtime_str.c_str(), &t, &nsec)) { + ceph_timespec ts; + ts.tv_sec = (uint64_t)internal_timegm(&t); + ts.tv_nsec = nsec; + mtime = real_clock::from_ceph_timespec(ts); + } + JSONDecoder::decode_json("ETag", etag, obj); + JSONDecoder::decode_json("Size", size, obj); + JSONDecoder::decode_json("StorageClass", storage_class, obj); + JSONDecoder::decode_json("Owner", owner, obj); + JSONDecoder::decode_json("VersionedEpoch", versioned_epoch, obj); + JSONDecoder::decode_json("RgwxTag", rgw_tag, obj); + if (key.instance == "null" && !versioned_epoch) { + key.instance.clear(); + } + } + + RGWModifyOp get_modify_op() const { + if (delete_marker) { + return CLS_RGW_OP_LINK_OLH_DM; + } else if (!key.instance.empty() && key.instance != "null") { + return CLS_RGW_OP_LINK_OLH; + } else { + return CLS_RGW_OP_ADD; + } + } +}; + +struct bucket_list_result { + string name; + string prefix; + string key_marker; + string version_id_marker; + int max_keys; + bool is_truncated; + list<bucket_list_entry> entries; + + bucket_list_result() : max_keys(0), is_truncated(false) {} + + void decode_json(JSONObj *obj) { + JSONDecoder::decode_json("Name", name, obj); + JSONDecoder::decode_json("Prefix", prefix, obj); + JSONDecoder::decode_json("KeyMarker", key_marker, obj); + JSONDecoder::decode_json("VersionIdMarker", version_id_marker, obj); + JSONDecoder::decode_json("MaxKeys", max_keys, obj); + JSONDecoder::decode_json("IsTruncated", is_truncated, obj); + JSONDecoder::decode_json("Entries", entries, obj); + } +}; + +class RGWListBucketShardCR: public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + const rgw_bucket_shard& bs; + const string instance_key; + rgw_obj_key marker_position; + + bucket_list_result *result; + +public: + RGWListBucketShardCR(RGWDataSyncCtx *_sc, const rgw_bucket_shard& bs, + rgw_obj_key& _marker_position, bucket_list_result *_result) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), bs(bs), + instance_key(bs.get_key()), marker_position(_marker_position), + result(_result) {} + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + yield { + rgw_http_param_pair pairs[] = { { "rgwx-bucket-instance", instance_key.c_str() }, + { "versions" , NULL }, + { "format" , "json" }, + { "objs-container" , "true" }, + { "key-marker" , marker_position.name.c_str() }, + { "version-id-marker" , marker_position.instance.c_str() }, + { NULL, NULL } }; + // don't include tenant in the url, it's already part of instance_key + string p = string("/") + bs.bucket.name; + call(new RGWReadRESTResourceCR<bucket_list_result>(sync_env->cct, sc->conn, sync_env->http_manager, p, pairs, result)); + } + if (retcode < 0) { + return set_cr_error(retcode); + } + return set_cr_done(); + } + return 0; + } +}; + +class RGWListBucketIndexLogCR: public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + const string instance_key; + string marker; + + list<rgw_bi_log_entry> *result; + std::optional<PerfGuard> timer; + +public: + RGWListBucketIndexLogCR(RGWDataSyncCtx *_sc, const rgw_bucket_shard& bs, + string& _marker, list<rgw_bi_log_entry> *_result) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + instance_key(bs.get_key()), marker(_marker), result(_result) {} + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + if (sync_env->counters) { + timer.emplace(sync_env->counters, sync_counters::l_poll); + } + yield { + rgw_http_param_pair pairs[] = { { "bucket-instance", instance_key.c_str() }, + { "format" , "json" }, + { "marker" , marker.c_str() }, + { "type", "bucket-index" }, + { NULL, NULL } }; + + call(new RGWReadRESTResourceCR<list<rgw_bi_log_entry> >(sync_env->cct, sc->conn, sync_env->http_manager, "/admin/log", pairs, result)); + } + timer.reset(); + if (retcode < 0) { + if (sync_env->counters) { + sync_env->counters->inc(sync_counters::l_poll_err); + } + return set_cr_error(retcode); + } + return set_cr_done(); + } + return 0; + } +}; + +#define BUCKET_SYNC_UPDATE_MARKER_WINDOW 10 + +class RGWBucketFullSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<rgw_obj_key, rgw_obj_key> { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + string marker_oid; + rgw_bucket_shard_full_sync_marker sync_marker; + RGWSyncTraceNodeRef tn; + RGWObjVersionTracker& objv_tracker; + +public: + RGWBucketFullSyncShardMarkerTrack(RGWDataSyncCtx *_sc, + const string& _marker_oid, + const rgw_bucket_shard_full_sync_marker& _marker, + RGWSyncTraceNodeRef tn, + RGWObjVersionTracker& objv_tracker) + : RGWSyncShardMarkerTrack(BUCKET_SYNC_UPDATE_MARKER_WINDOW), + sc(_sc), sync_env(_sc->env), marker_oid(_marker_oid), + sync_marker(_marker), tn(std::move(tn)), objv_tracker(objv_tracker) + {} + + RGWCoroutine *store_marker(const rgw_obj_key& new_marker, uint64_t index_pos, const real_time& timestamp) override { + sync_marker.position = new_marker; + sync_marker.count = index_pos; + + map<string, bufferlist> attrs; + sync_marker.encode_attr(attrs); + + tn->log(20, SSTR("updating marker marker_oid=" << marker_oid << " marker=" << new_marker)); + return new RGWSimpleRadosWriteAttrsCR(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, marker_oid), + attrs, &objv_tracker); + } + + RGWOrderCallCR *allocate_order_control_cr() override { + return new RGWLastCallerWinsCR(sync_env->cct); + } +}; + +// write the incremental sync status and update 'stable_timestamp' on success +class RGWWriteBucketShardIncSyncStatus : public RGWCoroutine { + RGWDataSyncEnv *sync_env; + rgw_raw_obj obj; + rgw_bucket_shard_inc_sync_marker sync_marker; + ceph::real_time* stable_timestamp; + RGWObjVersionTracker& objv_tracker; + std::map<std::string, bufferlist> attrs; + public: + RGWWriteBucketShardIncSyncStatus(RGWDataSyncEnv *sync_env, + const rgw_raw_obj& obj, + const rgw_bucket_shard_inc_sync_marker& sync_marker, + ceph::real_time* stable_timestamp, + RGWObjVersionTracker& objv_tracker) + : RGWCoroutine(sync_env->cct), sync_env(sync_env), obj(obj), + sync_marker(sync_marker), stable_timestamp(stable_timestamp), + objv_tracker(objv_tracker) + {} + int operate(const DoutPrefixProvider *dpp) { + reenter(this) { + sync_marker.encode_attr(attrs); + + yield call(new RGWSimpleRadosWriteAttrsCR(sync_env->dpp, sync_env->async_rados, sync_env->svc->sysobj, + obj, attrs, &objv_tracker)); + if (retcode < 0) { + return set_cr_error(retcode); + } + if (stable_timestamp) { + *stable_timestamp = sync_marker.timestamp; + } + return set_cr_done(); + } + return 0; + } +}; + +class RGWBucketIncSyncShardMarkerTrack : public RGWSyncShardMarkerTrack<string, rgw_obj_key> { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw_raw_obj obj; + rgw_bucket_shard_inc_sync_marker sync_marker; + + map<rgw_obj_key, string> key_to_marker; + + struct operation { + rgw_obj_key key; + bool is_olh; + }; + map<string, operation> marker_to_op; + std::set<std::string> pending_olh; // object names with pending olh operations + + RGWSyncTraceNodeRef tn; + RGWObjVersionTracker& objv_tracker; + ceph::real_time* stable_timestamp; + + void handle_finish(const string& marker) override { + auto iter = marker_to_op.find(marker); + if (iter == marker_to_op.end()) { + return; + } + auto& op = iter->second; + key_to_marker.erase(op.key); + reset_need_retry(op.key); + if (op.is_olh) { + pending_olh.erase(op.key.name); + } + marker_to_op.erase(iter); + } + +public: + RGWBucketIncSyncShardMarkerTrack(RGWDataSyncCtx *_sc, + const string& _marker_oid, + const rgw_bucket_shard_inc_sync_marker& _marker, + RGWSyncTraceNodeRef tn, + RGWObjVersionTracker& objv_tracker, + ceph::real_time* stable_timestamp) + : RGWSyncShardMarkerTrack(BUCKET_SYNC_UPDATE_MARKER_WINDOW), + sc(_sc), sync_env(_sc->env), + obj(sync_env->svc->zone->get_zone_params().log_pool, _marker_oid), + sync_marker(_marker), tn(std::move(tn)), objv_tracker(objv_tracker), + stable_timestamp(stable_timestamp) + {} + + RGWCoroutine *store_marker(const string& new_marker, uint64_t index_pos, const real_time& timestamp) override { + sync_marker.position = new_marker; + sync_marker.timestamp = timestamp; + + tn->log(20, SSTR("updating marker marker_oid=" << obj.oid << " marker=" << new_marker << " timestamp=" << timestamp)); + return new RGWWriteBucketShardIncSyncStatus(sync_env, obj, sync_marker, + stable_timestamp, objv_tracker); + } + + /* + * create index from key -> <op, marker>, and from marker -> key + * this is useful so that we can insure that we only have one + * entry for any key that is used. This is needed when doing + * incremenatl sync of data, and we don't want to run multiple + * concurrent sync operations for the same bucket shard + * Also, we should make sure that we don't run concurrent operations on the same key with + * different ops. + */ + bool index_key_to_marker(const rgw_obj_key& key, const string& marker, bool is_olh) { + auto result = key_to_marker.emplace(key, marker); + if (!result.second) { // exists + set_need_retry(key); + return false; + } + marker_to_op[marker] = operation{key, is_olh}; + if (is_olh) { + // prevent other olh ops from starting on this object name + pending_olh.insert(key.name); + } + return true; + } + + bool can_do_op(const rgw_obj_key& key, bool is_olh) { + // serialize olh ops on the same object name + if (is_olh && pending_olh.count(key.name)) { + tn->log(20, SSTR("sync of " << key << " waiting for pending olh op")); + return false; + } + return (key_to_marker.find(key) == key_to_marker.end()); + } + + RGWOrderCallCR *allocate_order_control_cr() override { + return new RGWLastCallerWinsCR(sync_env->cct); + } +}; + +static bool ignore_sync_error(int err) { + switch (err) { + case -ENOENT: + case -EPERM: + return true; + default: + break; + } + return false; +} + +template <class T, class K> +class RGWBucketSyncSingleEntryCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + + rgw_bucket_sync_pipe& sync_pipe; + rgw_bucket_shard& bs; + + rgw_obj_key key; + bool versioned; + std::optional<uint64_t> versioned_epoch; + rgw_bucket_entry_owner owner; + real_time timestamp; + RGWModifyOp op; + RGWPendingState op_state; + + T entry_marker; + RGWSyncShardMarkerTrack<T, K> *marker_tracker; + + int sync_status; + + stringstream error_ss; + + bool error_injection; + + RGWDataSyncModule *data_sync_module; + + rgw_zone_set zones_trace; + + RGWSyncTraceNodeRef tn; +public: + RGWBucketSyncSingleEntryCR(RGWDataSyncCtx *_sc, + rgw_bucket_sync_pipe& _sync_pipe, + const rgw_obj_key& _key, bool _versioned, + std::optional<uint64_t> _versioned_epoch, + real_time& _timestamp, + const rgw_bucket_entry_owner& _owner, + RGWModifyOp _op, RGWPendingState _op_state, + const T& _entry_marker, RGWSyncShardMarkerTrack<T, K> *_marker_tracker, rgw_zone_set& _zones_trace, + RGWSyncTraceNodeRef& _tn_parent) : RGWCoroutine(_sc->cct), + sc(_sc), sync_env(_sc->env), + sync_pipe(_sync_pipe), bs(_sync_pipe.info.source_bs), + key(_key), versioned(_versioned), versioned_epoch(_versioned_epoch), + owner(_owner), + timestamp(_timestamp), op(_op), + op_state(_op_state), + entry_marker(_entry_marker), + marker_tracker(_marker_tracker), + sync_status(0){ + stringstream ss; + ss << bucket_shard_str{bs} << "/" << key << "[" << versioned_epoch.value_or(0) << "]"; + set_description() << "bucket sync single entry (source_zone=" << sc->source_zone << ") b=" << ss.str() << " log_entry=" << entry_marker << " op=" << (int)op << " op_state=" << (int)op_state; + set_status("init"); + + tn = sync_env->sync_tracer->add_node(_tn_parent, "entry", SSTR(key)); + + tn->log(20, SSTR("bucket sync single entry (source_zone=" << sc->source_zone << ") b=" << ss.str() << " log_entry=" << entry_marker << " op=" << (int)op << " op_state=" << (int)op_state)); + error_injection = (sync_env->cct->_conf->rgw_sync_data_inject_err_probability > 0); + + data_sync_module = sync_env->sync_module->get_data_handler(); + + zones_trace = _zones_trace; + zones_trace.insert(sync_env->svc->zone->get_zone().id, _sync_pipe.info.dest_bs.get_key()); + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + /* skip entries that are not complete */ + if (op_state != CLS_RGW_STATE_COMPLETE) { + goto done; + } + tn->set_flag(RGW_SNS_FLAG_ACTIVE); + do { + yield { + marker_tracker->reset_need_retry(key); + if (key.name.empty()) { + /* shouldn't happen */ + set_status("skipping empty entry"); + tn->log(0, "entry with empty obj name, skipping"); + goto done; + } + if (error_injection && + rand() % 10000 < cct->_conf->rgw_sync_data_inject_err_probability * 10000.0) { + tn->log(0, SSTR(": injecting data sync error on key=" << key.name)); + retcode = -EIO; + } else if (op == CLS_RGW_OP_ADD || + op == CLS_RGW_OP_LINK_OLH) { + set_status("syncing obj"); + tn->log(5, SSTR("bucket sync: sync obj: " << sc->source_zone << "/" << bs.bucket << "/" << key << "[" << versioned_epoch.value_or(0) << "]")); + call(data_sync_module->sync_object(sc, sync_pipe, key, versioned_epoch, &zones_trace)); + } else if (op == CLS_RGW_OP_DEL || op == CLS_RGW_OP_UNLINK_INSTANCE) { + set_status("removing obj"); + if (op == CLS_RGW_OP_UNLINK_INSTANCE) { + versioned = true; + } + tn->log(10, SSTR("removing obj: " << sc->source_zone << "/" << bs.bucket << "/" << key << "[" << versioned_epoch.value_or(0) << "]")); + call(data_sync_module->remove_object(sc, sync_pipe, key, timestamp, versioned, versioned_epoch.value_or(0), &zones_trace)); + // our copy of the object is more recent, continue as if it succeeded + } else if (op == CLS_RGW_OP_LINK_OLH_DM) { + set_status("creating delete marker"); + tn->log(10, SSTR("creating delete marker: obj: " << sc->source_zone << "/" << bs.bucket << "/" << key << "[" << versioned_epoch.value_or(0) << "]")); + call(data_sync_module->create_delete_marker(sc, sync_pipe, key, timestamp, owner, versioned, versioned_epoch.value_or(0), &zones_trace)); + } + tn->set_resource_name(SSTR(bucket_str_noinstance(bs.bucket) << "/" << key)); + } + if (retcode == -ERR_PRECONDITION_FAILED) { + set_status("Skipping object sync: precondition failed (object contains newer change or policy doesn't allow sync)"); + tn->log(0, "Skipping object sync: precondition failed (object contains newer change or policy doesn't allow sync)"); + retcode = 0; + } + } while (marker_tracker->need_retry(key)); + { + tn->unset_flag(RGW_SNS_FLAG_ACTIVE); + if (retcode >= 0) { + tn->log(10, "success"); + } else { + tn->log(10, SSTR("failed, retcode=" << retcode << " (" << cpp_strerror(-retcode) << ")")); + } + } + + if (retcode < 0 && retcode != -ENOENT) { + set_status() << "failed to sync obj; retcode=" << retcode; + tn->log(0, SSTR("ERROR: failed to sync object: " + << bucket_shard_str{bs} << "/" << key.name)); + if (!ignore_sync_error(retcode)) { + error_ss << bucket_shard_str{bs} << "/" << key.name; + sync_status = retcode; + } + } + if (!error_ss.str().empty()) { + yield call(sync_env->error_logger->log_error_cr(dpp, sc->conn->get_remote_id(), "data", error_ss.str(), -retcode, string("failed to sync object") + cpp_strerror(-sync_status))); + } +done: + if (sync_status == 0) { + /* update marker */ + set_status() << "calling marker_tracker->finish(" << entry_marker << ")"; + yield call(marker_tracker->finish(entry_marker)); + sync_status = retcode; + } + if (sync_status < 0) { + return set_cr_error(sync_status); + } + return set_cr_done(); + } + return 0; + } +}; + +#define BUCKET_SYNC_SPAWN_WINDOW 20 + +class RGWBucketShardFullSyncCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw_bucket_sync_pipe& sync_pipe; + rgw_bucket_shard& bs; + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr; + bucket_list_result list_result; + list<bucket_list_entry>::iterator entries_iter; + rgw_bucket_shard_sync_info& sync_info; + rgw_obj_key list_marker; + bucket_list_entry *entry{nullptr}; + + int total_entries{0}; + + int sync_status{0}; + + const string& status_oid; + + rgw_zone_set zones_trace; + + RGWSyncTraceNodeRef tn; + RGWBucketFullSyncShardMarkerTrack marker_tracker; + + struct _prefix_handler { + RGWBucketSyncFlowManager::pipe_rules_ref rules; + RGWBucketSyncFlowManager::pipe_rules::prefix_map_t::const_iterator iter; + std::optional<string> cur_prefix; + + void set_rules(RGWBucketSyncFlowManager::pipe_rules_ref& _rules) { + rules = _rules; + } + + bool revalidate_marker(rgw_obj_key *marker) { + if (cur_prefix && + boost::starts_with(marker->name, *cur_prefix)) { + return true; + } + if (!rules) { + return false; + } + iter = rules->prefix_search(marker->name); + if (iter == rules->prefix_end()) { + return false; + } + cur_prefix = iter->first; + marker->name = *cur_prefix; + marker->instance.clear(); + return true; + } + + bool check_key_handled(const rgw_obj_key& key) { + if (!rules) { + return false; + } + if (cur_prefix && + boost::starts_with(key.name, *cur_prefix)) { + return true; + } + iter = rules->prefix_search(key.name); + if (iter == rules->prefix_end()) { + return false; + } + cur_prefix = iter->first; + return boost::starts_with(key.name, iter->first); + } + } prefix_handler; + +public: + RGWBucketShardFullSyncCR(RGWDataSyncCtx *_sc, + rgw_bucket_sync_pipe& _sync_pipe, + const std::string& status_oid, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + rgw_bucket_shard_sync_info& sync_info, + RGWSyncTraceNodeRef tn_parent, + RGWObjVersionTracker& objv_tracker) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + sync_pipe(_sync_pipe), bs(_sync_pipe.info.source_bs), + lease_cr(std::move(lease_cr)), sync_info(sync_info), + status_oid(status_oid), + tn(sync_env->sync_tracer->add_node(tn_parent, "full_sync", + SSTR(bucket_shard_str{bs}))), + marker_tracker(sc, status_oid, sync_info.full_marker, tn, objv_tracker) + { + zones_trace.insert(sc->source_zone.id, sync_pipe.info.dest_bs.bucket.get_key()); + prefix_handler.set_rules(sync_pipe.get_rules()); + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWBucketShardFullSyncCR::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + list_marker = sync_info.full_marker.position; + + total_entries = sync_info.full_marker.count; + do { + if (lease_cr && !lease_cr->is_locked()) { + drain_all(); + return set_cr_error(-ECANCELED); + } + set_status("listing remote bucket"); + tn->log(20, "listing bucket for full sync"); + + if (!prefix_handler.revalidate_marker(&list_marker)) { + set_status() << "finished iterating over all available prefixes: last marker=" << list_marker; + tn->log(20, SSTR("finished iterating over all available prefixes: last marker=" << list_marker)); + break; + } + + yield call(new RGWListBucketShardCR(sc, bs, list_marker, + &list_result)); + if (retcode < 0 && retcode != -ENOENT) { + set_status("failed bucket listing, going down"); + drain_all(); + return set_cr_error(retcode); + } + if (list_result.entries.size() > 0) { + tn->set_flag(RGW_SNS_FLAG_ACTIVE); /* actually have entries to sync */ + } + entries_iter = list_result.entries.begin(); + for (; entries_iter != list_result.entries.end(); ++entries_iter) { + if (lease_cr && !lease_cr->is_locked()) { + drain_all(); + return set_cr_error(-ECANCELED); + } + tn->log(20, SSTR("[full sync] syncing object: " + << bucket_shard_str{bs} << "/" << entries_iter->key)); + entry = &(*entries_iter); + list_marker = entries_iter->key; + if (!prefix_handler.check_key_handled(entries_iter->key)) { + set_status() << "skipping entry due to policy rules: " << entries_iter->key; + tn->log(20, SSTR("skipping entry due to policy rules: " << entries_iter->key)); + continue; + } + total_entries++; + if (!marker_tracker.start(entry->key, total_entries, real_time())) { + tn->log(0, SSTR("ERROR: cannot start syncing " << entry->key << ". Duplicate entry?")); + } else { + using SyncCR = RGWBucketSyncSingleEntryCR<rgw_obj_key, rgw_obj_key>; + yield spawn(new SyncCR(sc, sync_pipe, entry->key, + false, /* versioned, only matters for object removal */ + entry->versioned_epoch, entry->mtime, + entry->owner, entry->get_modify_op(), CLS_RGW_STATE_COMPLETE, + entry->key, &marker_tracker, zones_trace, tn), + false); + } + drain_with_cb(BUCKET_SYNC_SPAWN_WINDOW, + [&](uint64_t stack_id, int ret) { + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + sync_status = ret; + } + return 0; + }); + } + } while (list_result.is_truncated && sync_status == 0); + set_status("done iterating over all objects"); + /* wait for all operations to complete */ + + drain_all_cb([&](uint64_t stack_id, int ret) { + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + sync_status = ret; + } + return 0; + }); + tn->unset_flag(RGW_SNS_FLAG_ACTIVE); + if (lease_cr && !lease_cr->is_locked()) { + return set_cr_error(-ECANCELED); + } + /* update sync state to incremental */ + if (sync_status == 0) { + yield { + sync_info.state = rgw_bucket_shard_sync_info::StateIncrementalSync; + map<string, bufferlist> attrs; + sync_info.encode_state_attr(attrs); + call(new RGWSimpleRadosWriteAttrsCR(dpp, sync_env->async_rados, sync_env->svc->sysobj, + rgw_raw_obj(sync_env->svc->zone->get_zone_params().log_pool, status_oid), + attrs)); + } + } else { + tn->log(10, SSTR("backing out with sync_status=" << sync_status)); + } + if (retcode < 0 && sync_status == 0) { /* actually tried to set incremental state and failed */ + tn->log(0, SSTR("ERROR: failed to set sync state on bucket " + << bucket_shard_str{bs} << " retcode=" << retcode)); + return set_cr_error(retcode); + } + if (sync_status < 0) { + return set_cr_error(sync_status); + } + return set_cr_done(); + } + return 0; +} + +static bool has_olh_epoch(RGWModifyOp op) { + return op == CLS_RGW_OP_LINK_OLH || op == CLS_RGW_OP_UNLINK_INSTANCE; +} + +class RGWBucketShardIncrementalSyncCR : public RGWCoroutine { + RGWDataSyncCtx *sc; + RGWDataSyncEnv *sync_env; + rgw_bucket_sync_pipe& sync_pipe; + RGWBucketSyncFlowManager::pipe_rules_ref rules; + rgw_bucket_shard& bs; + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr; + list<rgw_bi_log_entry> list_result; + list<rgw_bi_log_entry>::iterator entries_iter, entries_end; + map<pair<string, string>, pair<real_time, RGWModifyOp> > squash_map; + rgw_bucket_shard_sync_info& sync_info; + rgw_obj_key key; + rgw_bi_log_entry *entry{nullptr}; + bool updated_status{false}; + rgw_zone_id zone_id; + string target_location_key; + + string cur_id; + + int sync_status{0}; + bool syncstopped{false}; + + RGWSyncTraceNodeRef tn; + RGWBucketIncSyncShardMarkerTrack marker_tracker; + +public: + RGWBucketShardIncrementalSyncCR(RGWDataSyncCtx *_sc, + rgw_bucket_sync_pipe& _sync_pipe, + const std::string& status_oid, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + rgw_bucket_shard_sync_info& sync_info, + RGWSyncTraceNodeRef& _tn_parent, + RGWObjVersionTracker& objv_tracker, + ceph::real_time* stable_timestamp) + : RGWCoroutine(_sc->cct), sc(_sc), sync_env(_sc->env), + sync_pipe(_sync_pipe), bs(_sync_pipe.info.source_bs), + lease_cr(std::move(lease_cr)), sync_info(sync_info), + zone_id(sync_env->svc->zone->get_zone().id), + tn(sync_env->sync_tracer->add_node(_tn_parent, "inc_sync", + SSTR(bucket_shard_str{bs}))), + marker_tracker(sc, status_oid, sync_info.inc_marker, tn, + objv_tracker, stable_timestamp) + { + set_description() << "bucket shard incremental sync bucket=" + << bucket_shard_str{bs}; + set_status("init"); + rules = sync_pipe.get_rules(); + target_location_key = sync_pipe.info.dest_bs.bucket.get_key(); + } + + bool check_key_handled(const rgw_obj_key& key) { + if (!rules) { + return false; + } + auto iter = rules->prefix_search(key.name); + if (iter == rules->prefix_end()) { + return false; + } + return boost::starts_with(key.name, iter->first); + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWBucketShardIncrementalSyncCR::operate(const DoutPrefixProvider *dpp) +{ + int ret; + reenter(this) { + do { + if (lease_cr && !lease_cr->is_locked()) { + drain_all(); + tn->log(0, "ERROR: lease is not taken, abort"); + return set_cr_error(-ECANCELED); + } + tn->log(20, SSTR("listing bilog for incremental sync" << sync_info.inc_marker.position)); + set_status() << "listing bilog; position=" << sync_info.inc_marker.position; + yield call(new RGWListBucketIndexLogCR(sc, bs, sync_info.inc_marker.position, + &list_result)); + if (retcode < 0 && retcode != -ENOENT) { + /* wait for all operations to complete */ + drain_all(); + return set_cr_error(retcode); + } + squash_map.clear(); + entries_iter = list_result.begin(); + entries_end = list_result.end(); + for (; entries_iter != entries_end; ++entries_iter) { + auto e = *entries_iter; + if (e.op == RGWModifyOp::CLS_RGW_OP_SYNCSTOP) { + ldpp_dout(dpp, 20) << "syncstop on " << e.timestamp << dendl; + syncstopped = true; + entries_end = std::next(entries_iter); // stop after this entry + break; + } + if (e.op == RGWModifyOp::CLS_RGW_OP_RESYNC) { + continue; + } + if (e.op == CLS_RGW_OP_CANCEL) { + continue; + } + if (e.state != CLS_RGW_STATE_COMPLETE) { + continue; + } + if (e.zones_trace.exists(zone_id.id, target_location_key)) { + continue; + } + auto& squash_entry = squash_map[make_pair(e.object, e.instance)]; + // don't squash over olh entries - we need to apply their olh_epoch + if (has_olh_epoch(squash_entry.second) && !has_olh_epoch(e.op)) { + continue; + } + if (squash_entry.first <= e.timestamp) { + squash_entry = make_pair<>(e.timestamp, e.op); + } + } + + entries_iter = list_result.begin(); + for (; entries_iter != entries_end; ++entries_iter) { + if (lease_cr && !lease_cr->is_locked()) { + drain_all(); + return set_cr_error(-ECANCELED); + } + entry = &(*entries_iter); + { + ssize_t p = entry->id.find('#'); /* entries might have explicit shard info in them, e.g., 6#00000000004.94.3 */ + if (p < 0) { + cur_id = entry->id; + } else { + cur_id = entry->id.substr(p + 1); + } + } + sync_info.inc_marker.position = cur_id; + + if (entry->op == RGWModifyOp::CLS_RGW_OP_SYNCSTOP || entry->op == RGWModifyOp::CLS_RGW_OP_RESYNC) { + ldpp_dout(dpp, 20) << "detected syncstop or resync on " << entries_iter->timestamp << ", skipping entry" << dendl; + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + + if (!key.set(rgw_obj_index_key{entry->object, entry->instance})) { + set_status() << "parse_raw_oid() on " << entry->object << " returned false, skipping entry"; + tn->log(20, SSTR("parse_raw_oid() on " << entry->object << " returned false, skipping entry")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + + tn->log(20, SSTR("parsed entry: id=" << cur_id << " iter->object=" << entry->object << " iter->instance=" << entry->instance << " name=" << key.name << " instance=" << key.instance << " ns=" << key.ns)); + + if (!key.ns.empty()) { + set_status() << "skipping entry in namespace: " << entry->object; + tn->log(20, SSTR("skipping entry in namespace: " << entry->object)); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + + if (!check_key_handled(key)) { + set_status() << "skipping entry due to policy rules: " << entry->object; + tn->log(20, SSTR("skipping entry due to policy rules: " << entry->object)); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + + set_status() << "got entry.id=" << cur_id << " key=" << key << " op=" << (int)entry->op; + if (entry->op == CLS_RGW_OP_CANCEL) { + set_status() << "canceled operation, skipping"; + tn->log(20, SSTR("skipping object: " + << bucket_shard_str{bs} << "/" << key << ": canceled operation")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + if (entry->state != CLS_RGW_STATE_COMPLETE) { + set_status() << "non-complete operation, skipping"; + tn->log(20, SSTR("skipping object: " + << bucket_shard_str{bs} << "/" << key << ": non-complete operation")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + if (entry->zones_trace.exists(zone_id.id, target_location_key)) { + set_status() << "redundant operation, skipping"; + tn->log(20, SSTR("skipping object: " + <<bucket_shard_str{bs} <<"/"<<key<<": redundant operation")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + if (make_pair<>(entry->timestamp, entry->op) != squash_map[make_pair(entry->object, entry->instance)]) { + set_status() << "squashed operation, skipping"; + tn->log(20, SSTR("skipping object: " + << bucket_shard_str{bs} << "/" << key << ": squashed operation")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + tn->set_flag(RGW_SNS_FLAG_ACTIVE); + tn->log(20, SSTR("syncing object: " + << bucket_shard_str{bs} << "/" << key)); + updated_status = false; + while (!marker_tracker.can_do_op(key, has_olh_epoch(entry->op))) { + if (!updated_status) { + set_status() << "can't do op, conflicting inflight operation"; + updated_status = true; + } + tn->log(5, SSTR("can't do op on key=" << key << " need to wait for conflicting operation to complete")); + yield wait_for_child(); + bool again = true; + while (again) { + again = collect(&ret, nullptr); + if (ret < 0) { + tn->log(0, SSTR("ERROR: a child operation returned error (ret=" << ret << ")")); + sync_status = ret; + /* we have reported this error */ + } + } + if (sync_status != 0) + break; + } + if (sync_status != 0) { + /* get error, stop */ + break; + } + if (!marker_tracker.index_key_to_marker(key, cur_id, has_olh_epoch(entry->op))) { + set_status() << "can't do op, sync already in progress for object"; + tn->log(20, SSTR("skipping sync of entry: " << cur_id << ":" << key << " sync already in progress for object")); + marker_tracker.try_update_high_marker(cur_id, 0, entry->timestamp); + continue; + } + // yield { + set_status() << "start object sync"; + if (!marker_tracker.start(cur_id, 0, entry->timestamp)) { + tn->log(0, SSTR("ERROR: cannot start syncing " << cur_id << ". Duplicate entry?")); + } else { + std::optional<uint64_t> versioned_epoch; + rgw_bucket_entry_owner owner(entry->owner, entry->owner_display_name); + if (entry->ver.pool < 0) { + versioned_epoch = entry->ver.epoch; + } + tn->log(20, SSTR("entry->timestamp=" << entry->timestamp)); + using SyncCR = RGWBucketSyncSingleEntryCR<string, rgw_obj_key>; + spawn(new SyncCR(sc, sync_pipe, key, + entry->is_versioned(), versioned_epoch, + entry->timestamp, owner, entry->op, entry->state, + cur_id, &marker_tracker, entry->zones_trace, tn), + false); + } + // } + drain_with_cb(BUCKET_SYNC_SPAWN_WINDOW, + [&](uint64_t stack_id, int ret) { + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + sync_status = ret; + } + return 0; + }); + } + } while (!list_result.empty() && sync_status == 0 && !syncstopped); + + drain_all_cb([&](uint64_t stack_id, int ret) { + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + sync_status = ret; + } + return 0; + }); + tn->unset_flag(RGW_SNS_FLAG_ACTIVE); + + if (syncstopped) { + // transition to StateStopped in RGWRunBucketSyncCoroutine. if sync is + // still disabled, we'll delete the sync status object. otherwise we'll + // restart full sync to catch any changes that happened while sync was + // disabled + sync_info.state = rgw_bucket_shard_sync_info::StateStopped; + return set_cr_done(); + } + + yield call(marker_tracker.flush()); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: marker_tracker.flush() returned retcode=" << retcode)); + return set_cr_error(retcode); + } + if (sync_status < 0) { + tn->log(10, SSTR("backing out with sync_status=" << sync_status)); + return set_cr_error(sync_status); + } + return set_cr_done(); + } + return 0; +} + +class RGWGetBucketPeersCR : public RGWCoroutine { + RGWDataSyncEnv *sync_env; + + std::optional<rgw_bucket> target_bucket; + std::optional<rgw_zone_id> source_zone; + std::optional<rgw_bucket> source_bucket; + + rgw_sync_pipe_info_set *pipes; + map<rgw_bucket, all_bucket_info> buckets_info; + map<rgw_bucket, all_bucket_info>::iterator siiter; + std::optional<all_bucket_info> target_bucket_info; + std::optional<all_bucket_info> source_bucket_info; + + rgw_sync_pipe_info_set::iterator siter; + + std::shared_ptr<rgw_bucket_get_sync_policy_result> source_policy; + std::shared_ptr<rgw_bucket_get_sync_policy_result> target_policy; + + RGWSyncTraceNodeRef tn; + + using pipe_const_iter = map<rgw_zone_id, RGWBucketSyncFlowManager::pipe_set>::const_iterator; + + static pair<pipe_const_iter, pipe_const_iter> get_pipe_iters(const map<rgw_zone_id, RGWBucketSyncFlowManager::pipe_set>& m, std::optional<rgw_zone_id> zone) { + if (!zone) { + return { m.begin(), m.end() }; + } + + auto b = m.find(*zone); + if (b == m.end()) { + return { b, b }; + } + return { b, std::next(b) }; + } + + void filter_sources(std::optional<rgw_zone_id> source_zone, + std::optional<rgw_bucket> source_bucket, + const map<rgw_zone_id, RGWBucketSyncFlowManager::pipe_set>& all_sources, + rgw_sync_pipe_info_set *result) { + ldpp_dout(sync_env->dpp, 20) << __func__ << ": source_zone=" << source_zone.value_or(rgw_zone_id("*")).id + << " source_bucket=" << source_bucket.value_or(rgw_bucket()) + << " all_sources.size()=" << all_sources.size() << dendl; + auto iters = get_pipe_iters(all_sources, source_zone); + for (auto i = iters.first; i != iters.second; ++i) { + for (auto& handler : i->second) { + if (!handler.specific()) { + ldpp_dout(sync_env->dpp, 20) << __func__ << ": pipe_handler=" << handler << ": skipping" << dendl; + continue; + } + if (source_bucket && + !source_bucket->match(*handler.source.bucket)) { + continue; + } + ldpp_dout(sync_env->dpp, 20) << __func__ << ": pipe_handler=" << handler << ": adding" << dendl; + result->insert(handler, source_bucket_info, target_bucket_info); + } + } + } + + void filter_targets(std::optional<rgw_zone_id> target_zone, + std::optional<rgw_bucket> target_bucket, + const map<rgw_zone_id, RGWBucketSyncFlowManager::pipe_set>& all_targets, + rgw_sync_pipe_info_set *result) { + ldpp_dout(sync_env->dpp, 20) << __func__ << ": target_zone=" << source_zone.value_or(rgw_zone_id("*")).id + << " target_bucket=" << source_bucket.value_or(rgw_bucket()) + << " all_targets.size()=" << all_targets.size() << dendl; + auto iters = get_pipe_iters(all_targets, target_zone); + for (auto i = iters.first; i != iters.second; ++i) { + for (auto& handler : i->second) { + if (target_bucket && + handler.dest.bucket && + !target_bucket->match(*handler.dest.bucket)) { + ldpp_dout(sync_env->dpp, 20) << __func__ << ": pipe_handler=" << handler << ": skipping" << dendl; + continue; + } + ldpp_dout(sync_env->dpp, 20) << __func__ << ": pipe_handler=" << handler << ": adding" << dendl; + result->insert(handler, source_bucket_info, target_bucket_info); + } + } + } + + void update_from_target_bucket_policy(); + void update_from_source_bucket_policy(); + + struct GetHintTargets : public RGWGenericAsyncCR::Action { + RGWDataSyncEnv *sync_env; + rgw_bucket source_bucket; + std::set<rgw_bucket> targets; + + GetHintTargets(RGWDataSyncEnv *_sync_env, + const rgw_bucket& _source_bucket) : sync_env(_sync_env), + source_bucket(_source_bucket) {} + int operate() override { + int r = sync_env->svc->bucket_sync->get_bucket_sync_hints(sync_env->dpp, + source_bucket, + nullptr, + &targets, + null_yield); + if (r < 0) { + ldpp_dout(sync_env->dpp, 0) << "ERROR: " << __func__ << "(): failed to fetch bucket sync hints for bucket=" << source_bucket << dendl; + return r; + } + + return 0; + } + }; + + std::shared_ptr<GetHintTargets> get_hint_targets_action; + std::set<rgw_bucket>::iterator hiter; + +public: + RGWGetBucketPeersCR(RGWDataSyncEnv *_sync_env, + std::optional<rgw_bucket> _target_bucket, + std::optional<rgw_zone_id> _source_zone, + std::optional<rgw_bucket> _source_bucket, + rgw_sync_pipe_info_set *_pipes, + const RGWSyncTraceNodeRef& _tn_parent) + : RGWCoroutine(_sync_env->cct), + sync_env(_sync_env), + target_bucket(_target_bucket), + source_zone(_source_zone), + source_bucket(_source_bucket), + pipes(_pipes), + tn(sync_env->sync_tracer->add_node(_tn_parent, "get_bucket_peers", + SSTR( "target=" << target_bucket.value_or(rgw_bucket()) + << ":source=" << target_bucket.value_or(rgw_bucket()) + << ":source_zone=" << source_zone.value_or(rgw_zone_id("*")).id))) { + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +std::ostream& operator<<(std::ostream& out, std::optional<rgw_bucket_shard>& bs) { + if (!bs) { + out << "*"; + } else { + out << *bs; + } + return out; +} + +RGWRunBucketSourcesSyncCR::RGWRunBucketSourcesSyncCR(RGWDataSyncCtx *_sc, + boost::intrusive_ptr<const RGWContinuousLeaseCR> lease_cr, + std::optional<rgw_bucket_shard> _target_bs, + std::optional<rgw_bucket_shard> _source_bs, + const RGWSyncTraceNodeRef& _tn_parent, + ceph::real_time* progress) + : RGWCoroutine(_sc->env->cct), sc(_sc), sync_env(_sc->env), + lease_cr(std::move(lease_cr)), target_bs(_target_bs), source_bs(_source_bs), + tn(sync_env->sync_tracer->add_node(_tn_parent, "bucket_sync_sources", + SSTR( "target=" << target_bucket.value_or(rgw_bucket()) << ":source_bucket=" << source_bucket.value_or(rgw_bucket()) << ":source_zone=" << sc->source_zone))), + progress(progress) +{ + if (target_bs) { + target_bucket = target_bs->bucket; + } + if (source_bs) { + source_bucket = source_bs->bucket; + } +} + +int RGWRunBucketSourcesSyncCR::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + yield call(new RGWGetBucketPeersCR(sync_env, target_bucket, sc->source_zone, source_bucket, &pipes, tn)); + if (retcode < 0 && retcode != -ENOENT) { + tn->log(0, "ERROR: failed to read sync status for bucket"); + return set_cr_error(retcode); + } + + ldpp_dout(dpp, 20) << __func__ << "(): requested source_bs=" << source_bs << " target_bs=" << target_bs << dendl; + + if (pipes.empty()) { + ldpp_dout(dpp, 20) << __func__ << "(): no relevant sync pipes found" << dendl; + return set_cr_done(); + } + + for (siter = pipes.begin(); siter != pipes.end(); ++siter) { + { + ldpp_dout(dpp, 20) << __func__ << "(): sync pipe=" << *siter << dendl; + + source_num_shards = siter->source.get_bucket_info().layout.current_index.layout.normal.num_shards; + target_num_shards = siter->target.get_bucket_info().layout.current_index.layout.normal.num_shards; + if (source_bs) { + sync_pair.source_bs = *source_bs; + } else { + sync_pair.source_bs.bucket = siter->source.get_bucket(); + } + sync_pair.dest_bs.bucket = siter->target.get_bucket(); + + sync_pair.handler = siter->handler; + + if (sync_pair.source_bs.shard_id >= 0) { + num_shards = 1; + cur_shard = sync_pair.source_bs.shard_id; + } else { + num_shards = std::max<int>(1, source_num_shards); + cur_shard = std::min<int>(0, source_num_shards); + } + } + + ldpp_dout(dpp, 20) << __func__ << "(): num shards=" << num_shards << " cur_shard=" << cur_shard << dendl; + + for (; num_shards > 0; --num_shards, ++cur_shard) { + /* + * use a negatvie shard_id for backward compatibility, + * this affects the crafted status oid + */ + sync_pair.source_bs.shard_id = (source_num_shards > 0 ? cur_shard : -1); + if (source_num_shards == target_num_shards) { + sync_pair.dest_bs.shard_id = sync_pair.source_bs.shard_id; + } else { + sync_pair.dest_bs.shard_id = -1; + } + + ldpp_dout(dpp, 20) << __func__ << "(): sync_pair=" << sync_pair << dendl; + + cur_progress = (progress ? &shard_progress[prealloc_stack_id()] : nullptr); + + yield_spawn_window(new RGWRunBucketSyncCoroutine(sc, lease_cr, sync_pair, tn, + cur_progress), + BUCKET_SYNC_SPAWN_WINDOW, + [&](uint64_t stack_id, int ret) { + handle_complete_stack(stack_id); + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + } + return ret; + }); + } + } + drain_all_cb([&](uint64_t stack_id, int ret) { + handle_complete_stack(stack_id); + if (ret < 0) { + tn->log(10, "a sync operation returned error"); + } + return ret; + }); + if (progress && min_progress) { + *progress = *min_progress; + } + return set_cr_done(); + } + + return 0; +} + +class RGWSyncGetBucketInfoCR : public RGWCoroutine { + RGWDataSyncEnv *sync_env; + rgw_bucket bucket; + RGWBucketInfo *pbucket_info; + map<string, bufferlist> *pattrs; + RGWMetaSyncEnv meta_sync_env; + + RGWSyncTraceNodeRef tn; + +public: + RGWSyncGetBucketInfoCR(RGWDataSyncEnv *_sync_env, + const rgw_bucket& _bucket, + RGWBucketInfo *_pbucket_info, + map<string, bufferlist> *_pattrs, + const RGWSyncTraceNodeRef& _tn_parent) + : RGWCoroutine(_sync_env->cct), + sync_env(_sync_env), + bucket(_bucket), + pbucket_info(_pbucket_info), + pattrs(_pattrs), + tn(sync_env->sync_tracer->add_node(_tn_parent, "get_bucket_info", + SSTR(bucket))) { + } + + int operate(const DoutPrefixProvider *dpp) override; +}; + +int RGWSyncGetBucketInfoCR::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + yield call(new RGWGetBucketInstanceInfoCR(sync_env->async_rados, sync_env->store, bucket, pbucket_info, pattrs, dpp)); + if (retcode == -ENOENT) { + /* bucket instance info has not been synced in yet, fetch it now */ + yield { + tn->log(10, SSTR("no local info for bucket:" << ": fetching metadata")); + string raw_key = string("bucket.instance:") + bucket.get_key(); + + meta_sync_env.init(dpp, cct, sync_env->store, sync_env->svc->zone->get_master_conn(), sync_env->async_rados, + sync_env->http_manager, sync_env->error_logger, sync_env->sync_tracer); + + call(new RGWMetaSyncSingleEntryCR(&meta_sync_env, raw_key, + string() /* no marker */, + MDLOG_STATUS_COMPLETE, + NULL /* no marker tracker */, + tn)); + } + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to fetch bucket instance info for " << bucket_str{bucket})); + return set_cr_error(retcode); + } + + yield call(new RGWGetBucketInstanceInfoCR(sync_env->async_rados, sync_env->store, bucket, pbucket_info, pattrs, dpp)); + } + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to retrieve bucket info for bucket=" << bucket_str{bucket})); + return set_cr_error(retcode); + } + + return set_cr_done(); + } + + return 0; +} + +void RGWGetBucketPeersCR::update_from_target_bucket_policy() +{ + if (!target_policy || + !target_policy->policy_handler || + !pipes) { + return; + } + + auto handler = target_policy->policy_handler.get(); + + filter_sources(source_zone, + source_bucket, + handler->get_sources(), + pipes); + + for (siter = pipes->begin(); siter != pipes->end(); ++siter) { + if (!siter->source.has_bucket_info()) { + buckets_info.emplace(siter->source.get_bucket(), all_bucket_info()); + } + if (!siter->target.has_bucket_info()) { + buckets_info.emplace(siter->target.get_bucket(), all_bucket_info()); + } + } +} + +void RGWGetBucketPeersCR::update_from_source_bucket_policy() +{ + if (!source_policy || + !source_policy->policy_handler || + !pipes) { + return; + } + + auto handler = source_policy->policy_handler.get(); + + filter_targets(sync_env->svc->zone->get_zone().id, + target_bucket, + handler->get_targets(), + pipes); + + for (siter = pipes->begin(); siter != pipes->end(); ++siter) { + if (!siter->source.has_bucket_info()) { + buckets_info.emplace(siter->source.get_bucket(), all_bucket_info()); + } + if (!siter->target.has_bucket_info()) { + buckets_info.emplace(siter->target.get_bucket(), all_bucket_info()); + } + } +} + + +class RGWSyncGetBucketSyncPolicyHandlerCR : public RGWCoroutine { + RGWDataSyncEnv *sync_env; + rgw_bucket bucket; + rgw_bucket_get_sync_policy_params get_policy_params; + + std::shared_ptr<rgw_bucket_get_sync_policy_result> policy; + + RGWSyncTraceNodeRef tn; + + int i; + +public: + RGWSyncGetBucketSyncPolicyHandlerCR(RGWDataSyncEnv *_sync_env, + std::optional<rgw_zone_id> zone, + const rgw_bucket& _bucket, + std::shared_ptr<rgw_bucket_get_sync_policy_result>& _policy, + const RGWSyncTraceNodeRef& _tn_parent) + : RGWCoroutine(_sync_env->cct), + sync_env(_sync_env), + bucket(_bucket), + policy(_policy), + tn(sync_env->sync_tracer->add_node(_tn_parent, "get_sync_policy_handler", + SSTR(bucket))) { + get_policy_params.zone = zone; + get_policy_params.bucket = bucket; + } + + int operate(const DoutPrefixProvider *dpp) override { + reenter(this) { + for (i = 0; i < 2; ++i) { + yield call(new RGWBucketGetSyncPolicyHandlerCR(sync_env->async_rados, + sync_env->store, + get_policy_params, + policy, + dpp)); + if (retcode < 0 && + retcode != -ENOENT) { + return set_cr_error(retcode); + } + + if (retcode == 0) { + return set_cr_done(); + } + + /* bucket instance was not found, + * try to get bucket instance info, can trigger + * metadata sync of bucket instance + */ + yield call(new RGWSyncGetBucketInfoCR(sync_env, + bucket, + nullptr, + nullptr, + tn)); + if (retcode < 0) { + return set_cr_error(retcode); + } + } + } + + return 0; + } +}; + + +int RGWGetBucketPeersCR::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + if (pipes) { + pipes->clear(); + } + if (target_bucket) { + target_policy = make_shared<rgw_bucket_get_sync_policy_result>(); + yield call(new RGWSyncGetBucketSyncPolicyHandlerCR(sync_env, + nullopt, + *target_bucket, + target_policy, + tn)); + if (retcode < 0 && + retcode != -ENOENT) { + return set_cr_error(retcode); + } + + update_from_target_bucket_policy(); + } + + if (source_bucket && source_zone) { + source_policy = make_shared<rgw_bucket_get_sync_policy_result>(); + yield call(new RGWSyncGetBucketSyncPolicyHandlerCR(sync_env, + source_zone, + *source_bucket, + source_policy, + tn)); + if (retcode < 0 && + retcode != -ENOENT) { + return set_cr_error(retcode); + } + + if (source_policy->policy_handler) { + auto& opt_bucket_info = source_policy->policy_handler->get_bucket_info(); + auto& opt_attrs = source_policy->policy_handler->get_bucket_attrs(); + if (opt_bucket_info && opt_attrs) { + source_bucket_info.emplace(); + source_bucket_info->bucket_info = *opt_bucket_info; + source_bucket_info->attrs = *opt_attrs; + } + } + + if (!target_bucket) { + get_hint_targets_action = make_shared<GetHintTargets>(sync_env, *source_bucket); + + yield call(new RGWGenericAsyncCR(cct, sync_env->async_rados, + get_hint_targets_action)); + if (retcode < 0) { + return set_cr_error(retcode); + } + + /* hints might have incomplete bucket ids, + * in which case we need to figure out the current + * bucket_id + */ + for (hiter = get_hint_targets_action->targets.begin(); + hiter != get_hint_targets_action->targets.end(); + ++hiter) { + ldpp_dout(dpp, 20) << "Got sync hint for bucket=" << *source_bucket << ": " << hiter->get_key() << dendl; + + target_policy = make_shared<rgw_bucket_get_sync_policy_result>(); + yield call(new RGWSyncGetBucketSyncPolicyHandlerCR(sync_env, + nullopt, + *hiter, + target_policy, + tn)); + if (retcode < 0 && + retcode != -ENOENT) { + return set_cr_error(retcode); + } + update_from_target_bucket_policy(); + } + } + } + + update_from_source_bucket_policy(); + + for (siiter = buckets_info.begin(); siiter != buckets_info.end(); ++siiter) { + if (siiter->second.bucket_info.bucket.name.empty()) { + yield call(new RGWSyncGetBucketInfoCR(sync_env, siiter->first, + &siiter->second.bucket_info, + &siiter->second.attrs, + tn)); + } + } + + if (pipes) { + pipes->update_empty_bucket_info(buckets_info); + } + + return set_cr_done(); + } + + return 0; +} + +int RGWRunBucketsSyncBySourceCR::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + return set_cr_done(); + } + + return 0; +} + +int RGWRunBucketSyncCoroutine::operate(const DoutPrefixProvider *dpp) +{ + reenter(this) { + yield call(new RGWReadBucketPipeSyncStatusCoroutine(sc, sync_pair, &sync_status, &objv_tracker)); + if (retcode < 0 && retcode != -ENOENT) { + tn->log(0, "ERROR: failed to read sync status for bucket"); + drain_all(); + return set_cr_error(retcode); + } + + tn->log(20, SSTR("sync status for source bucket: " << sync_status.state)); + + yield call(new RGWSyncGetBucketInfoCR(sync_env, sync_pair.source_bs.bucket, &sync_pipe.source_bucket_info, + &sync_pipe.source_bucket_attrs, tn)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to retrieve bucket info for bucket=" << bucket_str{sync_pair.source_bs.bucket})); + drain_all(); + return set_cr_error(retcode); + } + + yield call(new RGWSyncGetBucketInfoCR(sync_env, sync_pair.dest_bs.bucket, &sync_pipe.dest_bucket_info, + &sync_pipe.dest_bucket_attrs, tn)); + if (retcode < 0) { + tn->log(0, SSTR("ERROR: failed to retrieve bucket info for bucket=" << bucket_str{sync_pair.source_bs.bucket})); + drain_all(); + return set_cr_error(retcode); + } + + sync_pipe.info = sync_pair; + + do { + if (sync_status.state == rgw_bucket_shard_sync_info::StateInit || + sync_status.state == rgw_bucket_shard_sync_info::StateStopped) { + yield call(new RGWInitBucketShardSyncStatusCoroutine(sc, sync_pair, sync_status, objv_tracker)); + if (retcode == -ENOENT) { + tn->log(0, "bucket sync disabled"); + drain_all(); + return set_cr_done(); + } + if (retcode < 0) { + tn->log(0, SSTR("ERROR: init sync on bucket failed, retcode=" << retcode)); + drain_all(); + return set_cr_error(retcode); + } + } + if (progress) { + *progress = sync_status.inc_marker.timestamp; + } + + if (sync_status.state == rgw_bucket_shard_sync_info::StateFullSync) { + yield call(new RGWBucketShardFullSyncCR(sc, sync_pipe, + status_oid, lease_cr, + sync_status, tn, objv_tracker)); + if (retcode < 0) { + tn->log(5, SSTR("full sync on bucket failed, retcode=" << retcode)); + drain_all(); + return set_cr_error(retcode); + } + } + + if (sync_status.state == rgw_bucket_shard_sync_info::StateIncrementalSync) { + yield call(new RGWBucketShardIncrementalSyncCR(sc, sync_pipe, + status_oid, lease_cr, + sync_status, tn, + objv_tracker, progress)); + if (retcode < 0) { + tn->log(5, SSTR("incremental sync on bucket failed, retcode=" << retcode)); + drain_all(); + return set_cr_error(retcode); + } + } + // loop back to previous states unless incremental sync returns normally + } while (sync_status.state != rgw_bucket_shard_sync_info::StateIncrementalSync); + + drain_all(); + return set_cr_done(); + } + + return 0; +} + +RGWCoroutine *RGWRemoteBucketManager::run_sync_cr(int num) +{ + if ((size_t)num >= sync_pairs.size()) { + return nullptr; + } + + return new RGWRunBucketSyncCoroutine(&sc, nullptr, sync_pairs[num], sync_env->sync_tracer->root_node, nullptr); +} + +int RGWBucketPipeSyncStatusManager::init(const DoutPrefixProvider *dpp) +{ + int ret = http_manager.start(); + if (ret < 0) { + ldpp_dout(this, 0) << "failed in http_manager.start() ret=" << ret << dendl; + return ret; + } + + error_logger = new RGWSyncErrorLogger(store, RGW_SYNC_ERROR_LOG_SHARD_PREFIX, ERROR_LOGGER_SHARDS); + + sync_module.reset(new RGWDefaultSyncModuleInstance()); + auto async_rados = store->svc()->rados->get_async_processor(); + + sync_env.init(this, store->ctx(), store, + store->svc(), async_rados, &http_manager, + error_logger, store->getRados()->get_sync_tracer(), + sync_module, nullptr); + + rgw_sync_pipe_info_set pipes; + + ret = cr_mgr.run(dpp, new RGWGetBucketPeersCR(&sync_env, + dest_bucket, + source_zone, + source_bucket, + &pipes, + sync_env.sync_tracer->root_node)); + if (ret < 0) { + ldpp_dout(this, 0) << "failed to get bucket source peers info: (ret=" << ret << "): " << cpp_strerror(-ret) << dendl; + return ret; + } + + rgw_zone_id last_zone; + + for (auto& pipe : pipes) { + auto& szone = pipe.source.zone; + + if (last_zone != szone) { + conn = store->svc()->zone->get_zone_conn(szone); + if (!conn) { + ldpp_dout(this, 0) << "connection object to zone " << szone << " does not exist" << dendl; + return -EINVAL; + } + last_zone = szone; + } + + source_mgrs.push_back(new RGWRemoteBucketManager(this, &sync_env, + szone, conn, + pipe.source.get_bucket_info(), + pipe.target.get_bucket())); + } + + return 0; +} + +int RGWBucketPipeSyncStatusManager::init_sync_status(const DoutPrefixProvider *dpp) +{ + list<RGWCoroutinesStack *> stacks; + // pass an empty objv tracker to each so that the version gets incremented + std::list<RGWObjVersionTracker> objvs; + + for (auto& mgr : source_mgrs) { + RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr); + + for (int i = 0; i < mgr->num_pipes(); ++i) { + objvs.emplace_back(); + stack->call(mgr->init_sync_status_cr(i, objvs.back())); + } + + stacks.push_back(stack); + } + + return cr_mgr.run(dpp, stacks); +} + +int RGWBucketPipeSyncStatusManager::read_sync_status(const DoutPrefixProvider *dpp) +{ + list<RGWCoroutinesStack *> stacks; + + for (auto& mgr : source_mgrs) { + RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr); + for (int i = 0; i < mgr->num_pipes(); ++i) { + stack->call(mgr->read_sync_status_cr(i, &sync_status[i])); + } + + stacks.push_back(stack); + } + + int ret = cr_mgr.run(dpp, stacks); + if (ret < 0) { + ldpp_dout(this, 0) << "ERROR: failed to read sync status for " + << bucket_str{dest_bucket} << dendl; + return ret; + } + + return 0; +} + +int RGWBucketPipeSyncStatusManager::run(const DoutPrefixProvider *dpp) +{ + list<RGWCoroutinesStack *> stacks; + + for (auto& mgr : source_mgrs) { + RGWCoroutinesStack *stack = new RGWCoroutinesStack(store->ctx(), &cr_mgr); + for (int i = 0; i < mgr->num_pipes(); ++i) { + stack->call(mgr->run_sync_cr(i)); + } + + stacks.push_back(stack); + } + + int ret = cr_mgr.run(dpp, stacks); + if (ret < 0) { + ldpp_dout(this, 0) << "ERROR: failed to read sync status for " + << bucket_str{dest_bucket} << dendl; + return ret; + } + + return 0; +} + +unsigned RGWBucketPipeSyncStatusManager::get_subsys() const +{ + return dout_subsys; +} + +std::ostream& RGWBucketPipeSyncStatusManager::gen_prefix(std::ostream& out) const +{ + auto zone = std::string_view{source_zone.value_or(rgw_zone_id("*")).id}; + return out << "bucket sync zone:" << zone.substr(0, 8) + << " bucket:" << dest_bucket << ' '; +} + +string RGWBucketPipeSyncStatusManager::status_oid(const rgw_zone_id& source_zone, + const rgw_bucket_sync_pair_info& sync_pair) +{ + if (sync_pair.source_bs == sync_pair.dest_bs) { + return bucket_status_oid_prefix + "." + source_zone.id + ":" + sync_pair.dest_bs.get_key(); + } else { + return bucket_status_oid_prefix + "." + source_zone.id + ":" + sync_pair.dest_bs.get_key() + ":" + sync_pair.source_bs.get_key(); + } +} + +string RGWBucketPipeSyncStatusManager::obj_status_oid(const rgw_bucket_sync_pipe& sync_pipe, + const rgw_zone_id& source_zone, + const rgw::sal::RGWObject* obj) +{ + string prefix = object_status_oid_prefix + "." + source_zone.id + ":" + obj->get_bucket()->get_key().get_key(); + if (sync_pipe.source_bucket_info.bucket != + sync_pipe.dest_bucket_info.bucket) { + prefix += string("/") + sync_pipe.dest_bucket_info.bucket.get_key(); + } + return prefix + ":" + obj->get_name() + ":" + obj->get_instance(); +} + +int rgw_read_remote_bilog_info(const DoutPrefixProvider *dpp, + RGWRESTConn* conn, + const rgw_bucket& bucket, + BucketIndexShardsManager& markers, + optional_yield y) +{ + const auto instance_key = bucket.get_key(); + const rgw_http_param_pair params[] = { + { "type" , "bucket-index" }, + { "bucket-instance", instance_key.c_str() }, + { "info" , nullptr }, + { nullptr, nullptr } + }; + rgw_bucket_index_marker_info result; + int r = conn->get_json_resource(dpp, "/admin/log/", params, y, result); + if (r < 0) { + ldpp_dout(dpp, -1) << "failed to fetch remote log markers: " << cpp_strerror(r) << dendl; + return r; + } + r = markers.from_string(result.max_marker, -1); + if (r < 0) { + lderr(conn->get_ctx()) << "failed to decode remote log markers" << dendl; + return r; + } + return 0; +} + +class RGWCollectBucketSyncStatusCR : public RGWShardCollectCR { + static constexpr int max_concurrent_shards = 16; + rgw::sal::RGWRadosStore *const store; + RGWDataSyncCtx *const sc; + RGWDataSyncEnv *const env; + RGWBucketInfo source_bucket_info; + RGWBucketInfo dest_bucket_info; + rgw_bucket_shard source_bs; + rgw_bucket_shard dest_bs; + + rgw_bucket_sync_pair_info sync_pair; + + bool shard_to_shard_sync; + + using Vector = std::vector<rgw_bucket_shard_sync_info>; + Vector::iterator i, end; + + public: + RGWCollectBucketSyncStatusCR(rgw::sal::RGWRadosStore *store, RGWDataSyncCtx *sc, + const RGWBucketInfo& source_bucket_info, + const RGWBucketInfo& dest_bucket_info, + Vector *status) + : RGWShardCollectCR(sc->cct, max_concurrent_shards), + store(store), sc(sc), env(sc->env), + source_bucket_info(source_bucket_info), + dest_bucket_info(dest_bucket_info), + i(status->begin()), end(status->end()) + { + shard_to_shard_sync = (source_bucket_info.layout.current_index.layout.normal.num_shards == dest_bucket_info.layout.current_index.layout.normal.num_shards); + + source_bs = rgw_bucket_shard(source_bucket_info.bucket, source_bucket_info.layout.current_index.layout.normal.num_shards > 0 ? 0 : -1); + dest_bs = rgw_bucket_shard(dest_bucket_info.bucket, dest_bucket_info.layout.current_index.layout.normal.num_shards > 0 ? 0 : -1); + + status->clear(); + status->resize(std::max<size_t>(1, source_bucket_info.layout.current_index.layout.normal.num_shards)); + + i = status->begin(); + end = status->end(); + } + + bool spawn_next() override { + if (i == end) { + return false; + } + sync_pair.source_bs = source_bs; + sync_pair.dest_bs = dest_bs; + spawn(new RGWReadBucketPipeSyncStatusCoroutine(sc, sync_pair, &*i, nullptr), false); + ++i; + ++source_bs.shard_id; + if (shard_to_shard_sync) { + dest_bs.shard_id = source_bs.shard_id; + } + return true; + } +}; + +int rgw_bucket_sync_status(const DoutPrefixProvider *dpp, + rgw::sal::RGWRadosStore *store, + const rgw_sync_bucket_pipe& pipe, + const RGWBucketInfo& dest_bucket_info, + const RGWBucketInfo *psource_bucket_info, + std::vector<rgw_bucket_shard_sync_info> *status) +{ + if (!pipe.source.zone || + !pipe.source.bucket || + !pipe.dest.zone || + !pipe.dest.bucket) { + return -EINVAL; + } + + if (*pipe.dest.bucket != + dest_bucket_info.bucket) { + return -EINVAL; + } + + const rgw_bucket& source_bucket = *pipe.source.bucket; + + RGWBucketInfo source_bucket_info; + + if (!psource_bucket_info) { + auto& bucket_ctl = store->getRados()->ctl.bucket; + + int ret = bucket_ctl->read_bucket_info(source_bucket, &source_bucket_info, null_yield, dpp); + if (ret < 0) { + ldpp_dout(dpp, 0) << "ERROR: failed to get bucket instance info: bucket=" << source_bucket << ": " << cpp_strerror(-ret) << dendl; + return ret; + } + + psource_bucket_info = &source_bucket_info; + } + + + RGWDataSyncEnv env; + RGWSyncModuleInstanceRef module; // null sync module + env.init(dpp, store->ctx(), store, store->svc(), store->svc()->rados->get_async_processor(), + nullptr, nullptr, nullptr, module, nullptr); + + RGWDataSyncCtx sc; + sc.init(&env, nullptr, *pipe.source.zone); + + RGWCoroutinesManager crs(store->ctx(), store->getRados()->get_cr_registry()); + return crs.run(dpp, new RGWCollectBucketSyncStatusCR(store, &sc, + *psource_bucket_info, + dest_bucket_info, + status)); +} |