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Diffstat (limited to 'src/osd/OSD.cc')
| -rw-r--r-- | src/osd/OSD.cc | 11208 |
1 files changed, 11208 insertions, 0 deletions
diff --git a/src/osd/OSD.cc b/src/osd/OSD.cc new file mode 100644 index 000000000..c61e7d332 --- /dev/null +++ b/src/osd/OSD.cc @@ -0,0 +1,11208 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab +/* + * Ceph - scalable distributed file system + * + * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net> + * Copyright (C) 2017 OVH + * + * This is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software + * Foundation. See file COPYING. + * + */ + +#include "acconfig.h" + +#include <cctype> +#include <fstream> +#include <iostream> +#include <iterator> + +#include <unistd.h> +#include <sys/stat.h> +#include <signal.h> +#include <time.h> +#include <boost/range/adaptor/reversed.hpp> + +#ifdef HAVE_SYS_PARAM_H +#include <sys/param.h> +#endif + +#ifdef HAVE_SYS_MOUNT_H +#include <sys/mount.h> +#endif + +#include "osd/PG.h" +#include "osd/scrubber/scrub_machine.h" +#include "osd/scrubber/pg_scrubber.h" + +#include "include/types.h" +#include "include/compat.h" +#include "include/random.h" +#include "include/scope_guard.h" + +#include "OSD.h" +#include "OSDMap.h" +#include "Watch.h" +#include "osdc/Objecter.h" + +#include "common/errno.h" +#include "common/ceph_argparse.h" +#include "common/ceph_releases.h" +#include "common/ceph_time.h" +#include "common/version.h" +#include "common/async/blocked_completion.h" +#include "common/pick_address.h" +#include "common/blkdev.h" +#include "common/numa.h" + +#include "os/ObjectStore.h" +#ifdef HAVE_LIBFUSE +#include "os/FuseStore.h" +#endif + +#include "PrimaryLogPG.h" + +#include "msg/Messenger.h" +#include "msg/Message.h" + +#include "mon/MonClient.h" + +#include "messages/MLog.h" + +#include "messages/MGenericMessage.h" +#include "messages/MOSDPing.h" +#include "messages/MOSDFailure.h" +#include "messages/MOSDMarkMeDown.h" +#include "messages/MOSDMarkMeDead.h" +#include "messages/MOSDFull.h" +#include "messages/MOSDOp.h" +#include "messages/MOSDOpReply.h" +#include "messages/MOSDBackoff.h" +#include "messages/MOSDBeacon.h" +#include "messages/MOSDRepOp.h" +#include "messages/MOSDRepOpReply.h" +#include "messages/MOSDBoot.h" +#include "messages/MOSDPGTemp.h" +#include "messages/MOSDPGReadyToMerge.h" + +#include "messages/MOSDMap.h" +#include "messages/MMonGetOSDMap.h" +#include "messages/MOSDPGNotify.h" +#include "messages/MOSDPGNotify2.h" +#include "messages/MOSDPGQuery2.h" +#include "messages/MOSDPGLog.h" +#include "messages/MOSDPGRemove.h" +#include "messages/MOSDPGInfo.h" +#include "messages/MOSDPGInfo2.h" +#include "messages/MOSDPGCreate2.h" +#include "messages/MBackfillReserve.h" +#include "messages/MRecoveryReserve.h" +#include "messages/MOSDForceRecovery.h" +#include "messages/MOSDECSubOpWrite.h" +#include "messages/MOSDECSubOpWriteReply.h" +#include "messages/MOSDECSubOpRead.h" +#include "messages/MOSDECSubOpReadReply.h" +#include "messages/MOSDPGCreated.h" +#include "messages/MOSDPGUpdateLogMissing.h" +#include "messages/MOSDPGUpdateLogMissingReply.h" + +#include "messages/MOSDPeeringOp.h" + +#include "messages/MOSDAlive.h" + +#include "messages/MOSDScrub2.h" + +#include "messages/MCommand.h" +#include "messages/MCommandReply.h" + +#include "messages/MPGStats.h" + +#include "messages/MMonGetPurgedSnaps.h" +#include "messages/MMonGetPurgedSnapsReply.h" + +#include "common/perf_counters.h" +#include "common/Timer.h" +#include "common/LogClient.h" +#include "common/AsyncReserver.h" +#include "common/HeartbeatMap.h" +#include "common/admin_socket.h" +#include "common/ceph_context.h" + +#include "global/signal_handler.h" +#include "global/pidfile.h" + +#include "include/color.h" +#include "perfglue/cpu_profiler.h" +#include "perfglue/heap_profiler.h" + +#include "osd/ClassHandler.h" +#include "osd/OpRequest.h" + +#include "auth/AuthAuthorizeHandler.h" +#include "auth/RotatingKeyRing.h" + +#include "objclass/objclass.h" + +#include "common/cmdparse.h" +#include "include/str_list.h" +#include "include/util.h" + +#include "include/ceph_assert.h" +#include "common/config.h" +#include "common/EventTrace.h" + +#include "json_spirit/json_spirit_reader.h" +#include "json_spirit/json_spirit_writer.h" + +#ifdef WITH_LTTNG +#define TRACEPOINT_DEFINE +#define TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#include "tracing/osd.h" +#undef TRACEPOINT_PROBE_DYNAMIC_LINKAGE +#undef TRACEPOINT_DEFINE +#else +#define tracepoint(...) +#endif + +#include "osd_tracer.h" + + +#define dout_context cct +#define dout_subsys ceph_subsys_osd +#undef dout_prefix +#define dout_prefix _prefix(_dout, whoami, get_osdmap_epoch()) + +using std::deque; +using std::list; +using std::lock_guard; +using std::make_pair; +using std::make_tuple; +using std::make_unique; +using std::map; +using std::ostream; +using std::ostringstream; +using std::pair; +using std::set; +using std::string; +using std::stringstream; +using std::to_string; +using std::unique_ptr; +using std::vector; + +using ceph::bufferlist; +using ceph::bufferptr; +using ceph::decode; +using ceph::encode; +using ceph::fixed_u_to_string; +using ceph::Formatter; +using ceph::heartbeat_handle_d; +using ceph::make_mutex; + +using namespace ceph::osd::scheduler; +using TOPNSPC::common::cmd_getval; +using TOPNSPC::common::cmd_getval_or; + +static ostream& _prefix(std::ostream* _dout, int whoami, epoch_t epoch) { + return *_dout << "osd." << whoami << " " << epoch << " "; +} + + +//Initial features in new superblock. +//Features here are also automatically upgraded +CompatSet OSD::get_osd_initial_compat_set() { + CompatSet::FeatureSet ceph_osd_feature_compat; + CompatSet::FeatureSet ceph_osd_feature_ro_compat; + CompatSet::FeatureSet ceph_osd_feature_incompat; + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BASE); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_PGINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_OLOC); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEC); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_CATEGORIES); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_HOBJECTPOOL); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BIGINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEVELDBINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_LEVELDBLOG); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SNAPMAPPER); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_HINTS); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_PGMETA); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_MISSING); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_FASTINFO); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_RECOVERY_DELETES); + ceph_osd_feature_incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SNAPMAPPER2); + return CompatSet(ceph_osd_feature_compat, ceph_osd_feature_ro_compat, + ceph_osd_feature_incompat); +} + +//Features are added here that this OSD supports. +CompatSet OSD::get_osd_compat_set() { + CompatSet compat = get_osd_initial_compat_set(); + //Any features here can be set in code, but not in initial superblock + compat.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SHARDS); + return compat; +} + +OSDService::OSDService(OSD *osd, ceph::async::io_context_pool& poolctx) : + osd(osd), + cct(osd->cct), + whoami(osd->whoami), store(osd->store.get()), + log_client(osd->log_client), clog(osd->clog), + pg_recovery_stats(osd->pg_recovery_stats), + cluster_messenger(osd->cluster_messenger), + client_messenger(osd->client_messenger), + logger(osd->logger), + recoverystate_perf(osd->recoverystate_perf), + monc(osd->monc), + osd_max_object_size(cct->_conf, "osd_max_object_size"), + osd_skip_data_digest(cct->_conf, "osd_skip_data_digest"), + publish_lock{ceph::make_mutex("OSDService::publish_lock")}, + pre_publish_lock{ceph::make_mutex("OSDService::pre_publish_lock")}, + m_scrub_queue{cct, *this}, + agent_valid_iterator(false), + agent_ops(0), + flush_mode_high_count(0), + agent_active(true), + agent_thread(this), + agent_stop_flag(false), + agent_timer(osd->client_messenger->cct, agent_timer_lock), + last_recalibrate(ceph_clock_now()), + promote_max_objects(0), + promote_max_bytes(0), + poolctx(poolctx), + objecter(make_unique<Objecter>(osd->client_messenger->cct, + osd->objecter_messenger, + osd->monc, poolctx)), + m_objecter_finishers(cct->_conf->osd_objecter_finishers), + watch_timer(osd->client_messenger->cct, watch_lock), + next_notif_id(0), + recovery_request_timer(cct, recovery_request_lock, false), + sleep_timer(cct, sleep_lock, false), + reserver_finisher(cct), + local_reserver(cct, &reserver_finisher, cct->_conf->osd_max_backfills, + cct->_conf->osd_min_recovery_priority), + remote_reserver(cct, &reserver_finisher, cct->_conf->osd_max_backfills, + cct->_conf->osd_min_recovery_priority), + snap_reserver(cct, &reserver_finisher, + cct->_conf->osd_max_trimming_pgs), + recovery_ops_active(0), + recovery_ops_reserved(0), + recovery_paused(false), + map_cache(cct, cct->_conf->osd_map_cache_size), + map_bl_cache(cct->_conf->osd_map_cache_size), + map_bl_inc_cache(cct->_conf->osd_map_cache_size), + cur_state(NONE), + cur_ratio(0), physical_ratio(0), + boot_epoch(0), up_epoch(0), bind_epoch(0) +{ + objecter->init(); + + for (int i = 0; i < m_objecter_finishers; i++) { + ostringstream str; + str << "objecter-finisher-" << i; + auto fin = make_unique<Finisher>(osd->client_messenger->cct, str.str(), "finisher"); + objecter_finishers.push_back(std::move(fin)); + } +} + +#ifdef PG_DEBUG_REFS +void OSDService::add_pgid(spg_t pgid, PG *pg) { + std::lock_guard l(pgid_lock); + if (!pgid_tracker.count(pgid)) { + live_pgs[pgid] = pg; + } + pgid_tracker[pgid]++; +} +void OSDService::remove_pgid(spg_t pgid, PG *pg) +{ + std::lock_guard l(pgid_lock); + ceph_assert(pgid_tracker.count(pgid)); + ceph_assert(pgid_tracker[pgid] > 0); + pgid_tracker[pgid]--; + if (pgid_tracker[pgid] == 0) { + pgid_tracker.erase(pgid); + live_pgs.erase(pgid); + } +} +void OSDService::dump_live_pgids() +{ + std::lock_guard l(pgid_lock); + derr << "live pgids:" << dendl; + for (map<spg_t, int>::const_iterator i = pgid_tracker.cbegin(); + i != pgid_tracker.cend(); + ++i) { + derr << "\t" << *i << dendl; + live_pgs[i->first]->dump_live_ids(); + } +} +#endif + + +ceph::signedspan OSDService::get_mnow() const +{ + return ceph::mono_clock::now() - osd->startup_time; +} + +void OSDService::identify_splits_and_merges( + OSDMapRef old_map, + OSDMapRef new_map, + spg_t pgid, + set<pair<spg_t,epoch_t>> *split_children, + set<pair<spg_t,epoch_t>> *merge_pgs) +{ + dout(20) << __func__ << " " << pgid << " e" << old_map->get_epoch() + << " to e" << new_map->get_epoch() << dendl; + if (!old_map->have_pg_pool(pgid.pool())) { + dout(20) << __func__ << " " << pgid << " pool " << pgid.pool() + << " does not exist in old map" << dendl; + return; + } + int old_pgnum = old_map->get_pg_num(pgid.pool()); + auto p = osd->pg_num_history.pg_nums.find(pgid.pool()); + if (p == osd->pg_num_history.pg_nums.end()) { + dout(20) << __func__ << " " << pgid << " pool " << pgid.pool() + << " has no history" << dendl; + return; + } + dout(20) << __func__ << " " << pgid << " e" << old_map->get_epoch() + << " to e" << new_map->get_epoch() + << " pg_nums " << p->second << dendl; + deque<spg_t> queue; + queue.push_back(pgid); + set<spg_t> did; + while (!queue.empty()) { + auto cur = queue.front(); + queue.pop_front(); + did.insert(cur); + unsigned pgnum = old_pgnum; + for (auto q = p->second.lower_bound(old_map->get_epoch()); + q != p->second.end() && + q->first <= new_map->get_epoch(); + ++q) { + if (pgnum < q->second) { + // split? + if (cur.ps() < pgnum) { + set<spg_t> children; + if (cur.is_split(pgnum, q->second, &children)) { + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " children " << children << dendl; + for (auto i : children) { + split_children->insert(make_pair(i, q->first)); + if (!did.count(i)) + queue.push_back(i); + } + } + } else if (cur.ps() < q->second) { + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " is a child" << dendl; + // normally we'd capture this from the parent, but it's + // possible the parent doesn't exist yet (it will be + // fabricated to allow an intervening merge). note this PG + // as a split child here to be sure we catch it. + split_children->insert(make_pair(cur, q->first)); + } else { + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " is post-split, skipping" << dendl; + } + } else if (merge_pgs) { + // merge? + if (cur.ps() >= q->second) { + if (cur.ps() < pgnum) { + spg_t parent; + if (cur.is_merge_source(pgnum, q->second, &parent)) { + set<spg_t> children; + parent.is_split(q->second, pgnum, &children); + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " is merge source, target " << parent + << ", source(s) " << children << dendl; + merge_pgs->insert(make_pair(parent, q->first)); + if (!did.count(parent)) { + // queue (and re-scan) parent in case it might not exist yet + // and there are some future splits pending on it + queue.push_back(parent); + } + for (auto c : children) { + merge_pgs->insert(make_pair(c, q->first)); + if (!did.count(c)) + queue.push_back(c); + } + } + } else { + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " is beyond old pgnum, skipping" << dendl; + } + } else { + set<spg_t> children; + if (cur.is_split(q->second, pgnum, &children)) { + dout(20) << __func__ << " " << cur << " e" << q->first + << " pg_num " << pgnum << " -> " << q->second + << " is merge target, source " << children << dendl; + for (auto c : children) { + merge_pgs->insert(make_pair(c, q->first)); + if (!did.count(c)) + queue.push_back(c); + } + merge_pgs->insert(make_pair(cur, q->first)); + } + } + } + pgnum = q->second; + } + } +} + +void OSDService::need_heartbeat_peer_update() +{ + osd->need_heartbeat_peer_update(); +} + +HeartbeatStampsRef OSDService::get_hb_stamps(unsigned peer) +{ + std::lock_guard l(hb_stamp_lock); + if (peer >= hb_stamps.size()) { + hb_stamps.resize(peer + 1); + } + if (!hb_stamps[peer]) { + hb_stamps[peer] = ceph::make_ref<HeartbeatStamps>(peer); + } + return hb_stamps[peer]; +} + +void OSDService::queue_renew_lease(epoch_t epoch, spg_t spgid) +{ + osd->enqueue_peering_evt( + spgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, epoch, + RenewLease()))); +} + +void OSDService::start_shutdown() +{ + { + std::lock_guard l(agent_timer_lock); + agent_timer.shutdown(); + } + + { + std::lock_guard l(sleep_lock); + sleep_timer.shutdown(); + } + + { + std::lock_guard l(recovery_request_lock); + recovery_request_timer.shutdown(); + } +} + +void OSDService::shutdown_reserver() +{ + reserver_finisher.wait_for_empty(); + reserver_finisher.stop(); +} + +void OSDService::shutdown() +{ + mono_timer.suspend(); + + { + std::lock_guard l(watch_lock); + watch_timer.shutdown(); + } + + objecter->shutdown(); + for (auto& f : objecter_finishers) { + f->wait_for_empty(); + f->stop(); + } + + publish_map(OSDMapRef()); + next_osdmap = OSDMapRef(); +} + +void OSDService::init() +{ + reserver_finisher.start(); + for (auto& f : objecter_finishers) { + f->start(); + } + objecter->set_client_incarnation(0); + + // deprioritize objecter in daemonperf output + objecter->get_logger()->set_prio_adjust(-3); + + watch_timer.init(); + agent_timer.init(); + mono_timer.resume(); + + agent_thread.create("osd_srv_agent"); + + if (cct->_conf->osd_recovery_delay_start) + defer_recovery(cct->_conf->osd_recovery_delay_start); +} + +void OSDService::final_init() +{ + objecter->start(osdmap.get()); +} + +void OSDService::activate_map() +{ + // wake/unwake the tiering agent + std::lock_guard l{agent_lock}; + agent_active = + !osdmap->test_flag(CEPH_OSDMAP_NOTIERAGENT) && + osd->is_active(); + agent_cond.notify_all(); +} + +OSDMapRef OSDService::get_nextmap_reserved() { + std::lock_guard l(pre_publish_lock); + + epoch_t e = next_osdmap->get_epoch(); + + std::map<epoch_t, unsigned>::iterator i = + map_reservations.insert(std::make_pair(e, 0)).first; + i->second++; + dout(20) << __func__ << " map_reservations: " << map_reservations << dendl; + return next_osdmap; +} + +/// releases reservation on map +void OSDService::release_map(OSDMapRef osdmap) { + std::lock_guard l(pre_publish_lock); + dout(20) << __func__ << " epoch: " << osdmap->get_epoch() << dendl; + std::map<epoch_t, unsigned>::iterator i = + map_reservations.find(osdmap->get_epoch()); + ceph_assert(i != map_reservations.end()); + ceph_assert(i->second > 0); + if (--(i->second) == 0) { + map_reservations.erase(i); + } + if (pre_publish_waiter) { + dout(20) << __func__ << " notify all." << dendl; + pre_publish_cond.notify_all(); + } +} + +/// blocks until there are no reserved maps prior to next_osdmap +void OSDService::await_reserved_maps() { + std::unique_lock l{pre_publish_lock}; + dout(20) << __func__ << " epoch:" << next_osdmap->get_epoch() << dendl; + + ceph_assert(next_osdmap); + pre_publish_waiter++; + pre_publish_cond.wait(l, [this] { + auto i = map_reservations.cbegin(); + return (i == map_reservations.cend() || + i->first >= next_osdmap->get_epoch()); + }); + pre_publish_waiter--; + dout(20) << __func__ << " done " << pre_publish_waiter << dendl; +} + +void OSDService::request_osdmap_update(epoch_t e) +{ + osd->osdmap_subscribe(e, false); +} + + +class AgentTimeoutCB : public Context { + PGRef pg; +public: + explicit AgentTimeoutCB(PGRef _pg) : pg(_pg) {} + void finish(int) override { + pg->agent_choose_mode_restart(); + } +}; + +void OSDService::agent_entry() +{ + dout(10) << __func__ << " start" << dendl; + std::unique_lock agent_locker{agent_lock}; + + while (!agent_stop_flag) { + if (agent_queue.empty()) { + dout(20) << __func__ << " empty queue" << dendl; + agent_cond.wait(agent_locker); + continue; + } + uint64_t level = agent_queue.rbegin()->first; + set<PGRef>& top = agent_queue.rbegin()->second; + dout(10) << __func__ + << " tiers " << agent_queue.size() + << ", top is " << level + << " with pgs " << top.size() + << ", ops " << agent_ops << "/" + << cct->_conf->osd_agent_max_ops + << (agent_active ? " active" : " NOT ACTIVE") + << dendl; + dout(20) << __func__ << " oids " << agent_oids << dendl; + int max = cct->_conf->osd_agent_max_ops - agent_ops; + int agent_flush_quota = max; + if (!flush_mode_high_count) + agent_flush_quota = cct->_conf->osd_agent_max_low_ops - agent_ops; + if (agent_flush_quota <= 0 || top.empty() || !agent_active) { + agent_cond.wait(agent_locker); + continue; + } + + if (!agent_valid_iterator || agent_queue_pos == top.end()) { + agent_queue_pos = top.begin(); + agent_valid_iterator = true; + } + PGRef pg = *agent_queue_pos; + dout(10) << "high_count " << flush_mode_high_count + << " agent_ops " << agent_ops + << " flush_quota " << agent_flush_quota << dendl; + agent_locker.unlock(); + if (!pg->agent_work(max, agent_flush_quota)) { + dout(10) << __func__ << " " << pg->pg_id + << " no agent_work, delay for " << cct->_conf->osd_agent_delay_time + << " seconds" << dendl; + + logger->inc(l_osd_tier_delay); + // Queue a timer to call agent_choose_mode for this pg in 5 seconds + std::lock_guard timer_locker{agent_timer_lock}; + Context *cb = new AgentTimeoutCB(pg); + agent_timer.add_event_after(cct->_conf->osd_agent_delay_time, cb); + } + agent_locker.lock(); + } + dout(10) << __func__ << " finish" << dendl; +} + +void OSDService::agent_stop() +{ + { + std::lock_guard l(agent_lock); + + // By this time all ops should be cancelled + ceph_assert(agent_ops == 0); + // By this time all PGs are shutdown and dequeued + if (!agent_queue.empty()) { + set<PGRef>& top = agent_queue.rbegin()->second; + derr << "agent queue not empty, for example " << (*top.begin())->get_pgid() << dendl; + ceph_abort_msg("agent queue not empty"); + } + + agent_stop_flag = true; + agent_cond.notify_all(); + } + agent_thread.join(); +} + +// ------------------------------------- + +void OSDService::promote_throttle_recalibrate() +{ + utime_t now = ceph_clock_now(); + double dur = now - last_recalibrate; + last_recalibrate = now; + unsigned prob = promote_probability_millis; + + uint64_t target_obj_sec = cct->_conf->osd_tier_promote_max_objects_sec; + uint64_t target_bytes_sec = cct->_conf->osd_tier_promote_max_bytes_sec; + + unsigned min_prob = 1; + + uint64_t attempts, obj, bytes; + promote_counter.sample_and_attenuate(&attempts, &obj, &bytes); + dout(10) << __func__ << " " << attempts << " attempts, promoted " + << obj << " objects and " << byte_u_t(bytes) << "; target " + << target_obj_sec << " obj/sec or " + << byte_u_t(target_bytes_sec) << "/sec" + << dendl; + + // calculate what the probability *should* be, given the targets + unsigned new_prob; + if (attempts && dur > 0) { + uint64_t avg_size = 1; + if (obj) + avg_size = std::max<uint64_t>(bytes / obj, 1); + unsigned po = (double)target_obj_sec * dur * 1000.0 / (double)attempts; + unsigned pb = (double)target_bytes_sec / (double)avg_size * dur * 1000.0 + / (double)attempts; + dout(20) << __func__ << " po " << po << " pb " << pb << " avg_size " + << avg_size << dendl; + if (target_obj_sec && target_bytes_sec) + new_prob = std::min(po, pb); + else if (target_obj_sec) + new_prob = po; + else if (target_bytes_sec) + new_prob = pb; + else + new_prob = 1000; + } else { + new_prob = 1000; + } + dout(20) << __func__ << " new_prob " << new_prob << dendl; + + // correct for persistent skew between target rate and actual rate, adjust + double ratio = 1.0; + unsigned actual = 0; + if (attempts && obj) { + actual = obj * 1000 / attempts; + ratio = (double)actual / (double)prob; + new_prob = (double)new_prob / ratio; + } + new_prob = std::max(new_prob, min_prob); + new_prob = std::min(new_prob, 1000u); + + // adjust + prob = (prob + new_prob) / 2; + prob = std::max(prob, min_prob); + prob = std::min(prob, 1000u); + dout(10) << __func__ << " actual " << actual + << ", actual/prob ratio " << ratio + << ", adjusted new_prob " << new_prob + << ", prob " << promote_probability_millis << " -> " << prob + << dendl; + promote_probability_millis = prob; + + // set hard limits for this interval to mitigate stampedes + promote_max_objects = target_obj_sec * osd->OSD_TICK_INTERVAL * 2; + promote_max_bytes = target_bytes_sec * osd->OSD_TICK_INTERVAL * 2; +} + +// ------------------------------------- + +float OSDService::get_failsafe_full_ratio() +{ + float full_ratio = cct->_conf->osd_failsafe_full_ratio; + if (full_ratio > 1.0) full_ratio /= 100.0; + return full_ratio; +} + +OSDService::s_names OSDService::recalc_full_state(float ratio, float pratio, string &inject) +{ + // The OSDMap ratios take precendence. So if the failsafe is .95 and + // the admin sets the cluster full to .96, the failsafe moves up to .96 + // too. (Not that having failsafe == full is ideal, but it's better than + // dropping writes before the clusters appears full.) + OSDMapRef osdmap = get_osdmap(); + if (!osdmap || osdmap->get_epoch() == 0) { + return NONE; + } + float nearfull_ratio = osdmap->get_nearfull_ratio(); + float backfillfull_ratio = std::max(osdmap->get_backfillfull_ratio(), nearfull_ratio); + float full_ratio = std::max(osdmap->get_full_ratio(), backfillfull_ratio); + float failsafe_ratio = std::max(get_failsafe_full_ratio(), full_ratio); + + if (osdmap->require_osd_release < ceph_release_t::luminous) { + // use the failsafe for nearfull and full; the mon isn't using the + // flags anyway because we're mid-upgrade. + full_ratio = failsafe_ratio; + backfillfull_ratio = failsafe_ratio; + nearfull_ratio = failsafe_ratio; + } else if (full_ratio <= 0 || + backfillfull_ratio <= 0 || + nearfull_ratio <= 0) { + derr << __func__ << " full_ratio, backfillfull_ratio or nearfull_ratio is <= 0" << dendl; + // use failsafe flag. ick. the monitor did something wrong or the user + // did something stupid. + full_ratio = failsafe_ratio; + backfillfull_ratio = failsafe_ratio; + nearfull_ratio = failsafe_ratio; + } + + if (injectfull_state > NONE && injectfull) { + inject = "(Injected)"; + return injectfull_state; + } else if (pratio > failsafe_ratio) { + return FAILSAFE; + } else if (ratio > full_ratio) { + return FULL; + } else if (ratio > backfillfull_ratio) { + return BACKFILLFULL; + } else if (pratio > nearfull_ratio) { + return NEARFULL; + } + return NONE; +} + +void OSDService::check_full_status(float ratio, float pratio) +{ + std::lock_guard l(full_status_lock); + + cur_ratio = ratio; + physical_ratio = pratio; + + string inject; + s_names new_state; + new_state = recalc_full_state(ratio, pratio, inject); + + dout(20) << __func__ << " cur ratio " << ratio + << ", physical ratio " << pratio + << ", new state " << get_full_state_name(new_state) + << " " << inject + << dendl; + + // warn + if (cur_state != new_state) { + dout(10) << __func__ << " " << get_full_state_name(cur_state) + << " -> " << get_full_state_name(new_state) << dendl; + if (new_state == FAILSAFE) { + clog->error() << "full status failsafe engaged, dropping updates, now " + << (int)roundf(ratio * 100) << "% full"; + } else if (cur_state == FAILSAFE) { + clog->error() << "full status failsafe disengaged, no longer dropping " + << "updates, now " << (int)roundf(ratio * 100) << "% full"; + } + cur_state = new_state; + } +} + +bool OSDService::need_fullness_update() +{ + OSDMapRef osdmap = get_osdmap(); + s_names cur = NONE; + if (osdmap->exists(whoami)) { + if (osdmap->get_state(whoami) & CEPH_OSD_FULL) { + cur = FULL; + } else if (osdmap->get_state(whoami) & CEPH_OSD_BACKFILLFULL) { + cur = BACKFILLFULL; + } else if (osdmap->get_state(whoami) & CEPH_OSD_NEARFULL) { + cur = NEARFULL; + } + } + s_names want = NONE; + if (is_full()) + want = FULL; + else if (is_backfillfull()) + want = BACKFILLFULL; + else if (is_nearfull()) + want = NEARFULL; + return want != cur; +} + +bool OSDService::_check_inject_full(DoutPrefixProvider *dpp, s_names type) const +{ + if (injectfull && injectfull_state >= type) { + // injectfull is either a count of the number of times to return failsafe full + // or if -1 then always return full + if (injectfull > 0) + --injectfull; + ldpp_dout(dpp, 10) << __func__ << " Injected " << get_full_state_name(type) << " OSD (" + << (injectfull < 0 ? "set" : std::to_string(injectfull)) << ")" + << dendl; + return true; + } + return false; +} + +bool OSDService::_check_full(DoutPrefixProvider *dpp, s_names type) const +{ + std::lock_guard l(full_status_lock); + + if (_check_inject_full(dpp, type)) + return true; + + if (cur_state >= type) + ldpp_dout(dpp, 10) << __func__ << " current usage is " << cur_ratio + << " physical " << physical_ratio << dendl; + + return cur_state >= type; +} + +bool OSDService::_tentative_full(DoutPrefixProvider *dpp, s_names type, uint64_t adjust_used, osd_stat_t adjusted_stat) +{ + ldpp_dout(dpp, 20) << __func__ << " type " << get_full_state_name(type) << " adjust_used " << (adjust_used >> 10) << "KiB" << dendl; + { + std::lock_guard l(full_status_lock); + if (_check_inject_full(dpp, type)) { + return true; + } + } + + float pratio; + float ratio = compute_adjusted_ratio(adjusted_stat, &pratio, adjust_used); + + string notused; + s_names tentative_state = recalc_full_state(ratio, pratio, notused); + + if (tentative_state >= type) + ldpp_dout(dpp, 10) << __func__ << " tentative usage is " << ratio << dendl; + + return tentative_state >= type; +} + +bool OSDService::check_failsafe_full(DoutPrefixProvider *dpp) const +{ + return _check_full(dpp, FAILSAFE); +} + +bool OSDService::check_full(DoutPrefixProvider *dpp) const +{ + return _check_full(dpp, FULL); +} + +bool OSDService::tentative_backfill_full(DoutPrefixProvider *dpp, uint64_t adjust_used, osd_stat_t stats) +{ + return _tentative_full(dpp, BACKFILLFULL, adjust_used, stats); +} + +bool OSDService::check_backfill_full(DoutPrefixProvider *dpp) const +{ + return _check_full(dpp, BACKFILLFULL); +} + +bool OSDService::check_nearfull(DoutPrefixProvider *dpp) const +{ + return _check_full(dpp, NEARFULL); +} + +bool OSDService::is_failsafe_full() const +{ + std::lock_guard l(full_status_lock); + return cur_state == FAILSAFE; +} + +bool OSDService::is_full() const +{ + std::lock_guard l(full_status_lock); + return cur_state >= FULL; +} + +bool OSDService::is_backfillfull() const +{ + std::lock_guard l(full_status_lock); + return cur_state >= BACKFILLFULL; +} + +bool OSDService::is_nearfull() const +{ + std::lock_guard l(full_status_lock); + return cur_state >= NEARFULL; +} + +void OSDService::set_injectfull(s_names type, int64_t count) +{ + std::lock_guard l(full_status_lock); + injectfull_state = type; + injectfull = count; +} + +void OSDService::set_statfs(const struct store_statfs_t &stbuf, + osd_alert_list_t& alerts) +{ + uint64_t bytes = stbuf.total; + uint64_t avail = stbuf.available; + uint64_t used = stbuf.get_used_raw(); + + // For testing fake statfs values so it doesn't matter if all + // OSDs are using the same partition. + if (cct->_conf->fake_statfs_for_testing) { + uint64_t total_num_bytes = 0; + vector<PGRef> pgs; + osd->_get_pgs(&pgs); + for (auto p : pgs) { + total_num_bytes += p->get_stats_num_bytes(); + } + bytes = cct->_conf->fake_statfs_for_testing; + if (total_num_bytes < bytes) + avail = bytes - total_num_bytes; + else + avail = 0; + dout(0) << __func__ << " fake total " << cct->_conf->fake_statfs_for_testing + << " adjust available " << avail + << dendl; + used = bytes - avail; + } + + logger->set(l_osd_stat_bytes, bytes); + logger->set(l_osd_stat_bytes_used, used); + logger->set(l_osd_stat_bytes_avail, avail); + + std::lock_guard l(stat_lock); + osd_stat.statfs = stbuf; + osd_stat.os_alerts.clear(); + osd_stat.os_alerts[whoami].swap(alerts); + if (cct->_conf->fake_statfs_for_testing) { + osd_stat.statfs.total = bytes; + osd_stat.statfs.available = avail; + // For testing don't want used to go negative, so clear reserved + osd_stat.statfs.internally_reserved = 0; + } +} + +osd_stat_t OSDService::set_osd_stat(vector<int>& hb_peers, + int num_pgs) +{ + utime_t now = ceph_clock_now(); + auto stale_time = g_conf().get_val<int64_t>("osd_mon_heartbeat_stat_stale"); + std::lock_guard l(stat_lock); + osd_stat.hb_peers.swap(hb_peers); + osd->op_tracker.get_age_ms_histogram(&osd_stat.op_queue_age_hist); + osd_stat.num_pgs = num_pgs; + // Clean entries that aren't updated + // This is called often enough that we can just remove 1 at a time + for (auto i: osd_stat.hb_pingtime) { + if (i.second.last_update == 0) + continue; + if (stale_time && now.sec() - i.second.last_update > stale_time) { + dout(20) << __func__ << " time out heartbeat for osd " << i.first + << " last_update " << i.second.last_update << dendl; + osd_stat.hb_pingtime.erase(i.first); + break; + } + } + return osd_stat; +} + +void OSDService::inc_osd_stat_repaired() +{ + std::lock_guard l(stat_lock); + osd_stat.num_shards_repaired++; + return; +} + +float OSDService::compute_adjusted_ratio(osd_stat_t new_stat, float *pratio, + uint64_t adjust_used) +{ + *pratio = + ((float)new_stat.statfs.get_used_raw()) / ((float)new_stat.statfs.total); + + if (adjust_used) { + dout(20) << __func__ << " Before kb_used() " << new_stat.statfs.kb_used() << dendl; + if (new_stat.statfs.available > adjust_used) + new_stat.statfs.available -= adjust_used; + else + new_stat.statfs.available = 0; + dout(20) << __func__ << " After kb_used() " << new_stat.statfs.kb_used() << dendl; + } + + // Check all pgs and adjust kb_used to include all pending backfill data + int backfill_adjusted = 0; + vector<PGRef> pgs; + osd->_get_pgs(&pgs); + for (auto p : pgs) { + backfill_adjusted += p->pg_stat_adjust(&new_stat); + } + if (backfill_adjusted) { + dout(20) << __func__ << " backfill adjusted " << new_stat << dendl; + } + return ((float)new_stat.statfs.get_used_raw()) / ((float)new_stat.statfs.total); +} + +void OSDService::send_message_osd_cluster(int peer, Message *m, epoch_t from_epoch) +{ + dout(20) << __func__ << " " << m->get_type_name() << " to osd." << peer + << " from_epoch " << from_epoch << dendl; + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + ceph_assert(from_epoch <= next_map->get_epoch()); + + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + m->put(); + release_map(next_map); + return; + } + ConnectionRef peer_con; + if (peer == whoami) { + peer_con = osd->cluster_messenger->get_loopback_connection(); + } else { + peer_con = osd->cluster_messenger->connect_to_osd( + next_map->get_cluster_addrs(peer), false, true); + } + maybe_share_map(peer_con.get(), next_map); + peer_con->send_message(m); + release_map(next_map); +} + +void OSDService::send_message_osd_cluster(std::vector<std::pair<int, Message*>>& messages, epoch_t from_epoch) +{ + dout(20) << __func__ << " from_epoch " << from_epoch << dendl; + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + ceph_assert(from_epoch <= next_map->get_epoch()); + + for (auto& iter : messages) { + if (next_map->is_down(iter.first) || + next_map->get_info(iter.first).up_from > from_epoch) { + iter.second->put(); + continue; + } + ConnectionRef peer_con; + if (iter.first == whoami) { + peer_con = osd->cluster_messenger->get_loopback_connection(); + } else { + peer_con = osd->cluster_messenger->connect_to_osd( + next_map->get_cluster_addrs(iter.first), false, true); + } + maybe_share_map(peer_con.get(), next_map); + peer_con->send_message(iter.second); + } + release_map(next_map); +} +ConnectionRef OSDService::get_con_osd_cluster(int peer, epoch_t from_epoch) +{ + dout(20) << __func__ << " to osd." << peer + << " from_epoch " << from_epoch << dendl; + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + ceph_assert(from_epoch <= next_map->get_epoch()); + + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + release_map(next_map); + return NULL; + } + ConnectionRef con; + if (peer == whoami) { + con = osd->cluster_messenger->get_loopback_connection(); + } else { + con = osd->cluster_messenger->connect_to_osd( + next_map->get_cluster_addrs(peer), false, true); + } + release_map(next_map); + return con; +} + +pair<ConnectionRef,ConnectionRef> OSDService::get_con_osd_hb(int peer, epoch_t from_epoch) +{ + dout(20) << __func__ << " to osd." << peer + << " from_epoch " << from_epoch << dendl; + OSDMapRef next_map = get_nextmap_reserved(); + // service map is always newer/newest + ceph_assert(from_epoch <= next_map->get_epoch()); + + pair<ConnectionRef,ConnectionRef> ret; + if (next_map->is_down(peer) || + next_map->get_info(peer).up_from > from_epoch) { + release_map(next_map); + return ret; + } + ret.first = osd->hb_back_client_messenger->connect_to_osd( + next_map->get_hb_back_addrs(peer)); + ret.second = osd->hb_front_client_messenger->connect_to_osd( + next_map->get_hb_front_addrs(peer)); + release_map(next_map); + return ret; +} + +entity_name_t OSDService::get_cluster_msgr_name() const +{ + return cluster_messenger->get_myname(); +} + +void OSDService::queue_want_pg_temp(pg_t pgid, + const vector<int>& want, + bool forced) +{ + std::lock_guard l(pg_temp_lock); + auto p = pg_temp_pending.find(pgid); + if (p == pg_temp_pending.end() || + p->second.acting != want || + forced) { + pg_temp_wanted[pgid] = {want, forced}; + } +} + +void OSDService::remove_want_pg_temp(pg_t pgid) +{ + std::lock_guard l(pg_temp_lock); + pg_temp_wanted.erase(pgid); + pg_temp_pending.erase(pgid); +} + +void OSDService::_sent_pg_temp() +{ +#ifdef HAVE_STDLIB_MAP_SPLICING + pg_temp_pending.merge(pg_temp_wanted); +#else + pg_temp_pending.insert(make_move_iterator(begin(pg_temp_wanted)), + make_move_iterator(end(pg_temp_wanted))); +#endif + pg_temp_wanted.clear(); +} + +void OSDService::requeue_pg_temp() +{ + std::lock_guard l(pg_temp_lock); + // wanted overrides pending. note that remove_want_pg_temp + // clears the item out of both. + unsigned old_wanted = pg_temp_wanted.size(); + unsigned old_pending = pg_temp_pending.size(); + _sent_pg_temp(); + pg_temp_wanted.swap(pg_temp_pending); + dout(10) << __func__ << " " << old_wanted << " + " << old_pending << " -> " + << pg_temp_wanted.size() << dendl; +} + +std::ostream& operator<<(std::ostream& out, + const OSDService::pg_temp_t& pg_temp) +{ + out << pg_temp.acting; + if (pg_temp.forced) { + out << " (forced)"; + } + return out; +} + +void OSDService::send_pg_temp() +{ + std::lock_guard l(pg_temp_lock); + if (pg_temp_wanted.empty()) + return; + dout(10) << "send_pg_temp " << pg_temp_wanted << dendl; + MOSDPGTemp *ms[2] = {nullptr, nullptr}; + for (auto& [pgid, pg_temp] : pg_temp_wanted) { + auto& m = ms[pg_temp.forced]; + if (!m) { + m = new MOSDPGTemp(osdmap->get_epoch()); + m->forced = pg_temp.forced; + } + m->pg_temp.emplace(pgid, pg_temp.acting); + } + for (auto m : ms) { + if (m) { + monc->send_mon_message(m); + } + } + _sent_pg_temp(); +} + +void OSDService::send_pg_created(pg_t pgid) +{ + std::lock_guard l(pg_created_lock); + dout(20) << __func__ << dendl; + auto o = get_osdmap(); + if (o->require_osd_release >= ceph_release_t::luminous) { + pg_created.insert(pgid); + monc->send_mon_message(new MOSDPGCreated(pgid)); + } +} + +void OSDService::send_pg_created() +{ + std::lock_guard l(pg_created_lock); + dout(20) << __func__ << dendl; + auto o = get_osdmap(); + if (o->require_osd_release >= ceph_release_t::luminous) { + for (auto pgid : pg_created) { + monc->send_mon_message(new MOSDPGCreated(pgid)); + } + } +} + +void OSDService::prune_pg_created() +{ + std::lock_guard l(pg_created_lock); + dout(20) << __func__ << dendl; + auto o = get_osdmap(); + auto i = pg_created.begin(); + while (i != pg_created.end()) { + auto p = o->get_pg_pool(i->pool()); + if (!p || !p->has_flag(pg_pool_t::FLAG_CREATING)) { + dout(20) << __func__ << " pruning " << *i << dendl; + i = pg_created.erase(i); + } else { + dout(20) << __func__ << " keeping " << *i << dendl; + ++i; + } + } +} + + +// -------------------------------------- +// dispatch + +void OSDService::retrieve_epochs(epoch_t *_boot_epoch, epoch_t *_up_epoch, + epoch_t *_bind_epoch) const +{ + std::lock_guard l(epoch_lock); + if (_boot_epoch) + *_boot_epoch = boot_epoch; + if (_up_epoch) + *_up_epoch = up_epoch; + if (_bind_epoch) + *_bind_epoch = bind_epoch; +} + +void OSDService::set_epochs(const epoch_t *_boot_epoch, const epoch_t *_up_epoch, + const epoch_t *_bind_epoch) +{ + std::lock_guard l(epoch_lock); + if (_boot_epoch) { + ceph_assert(*_boot_epoch == 0 || *_boot_epoch >= boot_epoch); + boot_epoch = *_boot_epoch; + } + if (_up_epoch) { + ceph_assert(*_up_epoch == 0 || *_up_epoch >= up_epoch); + up_epoch = *_up_epoch; + } + if (_bind_epoch) { + ceph_assert(*_bind_epoch == 0 || *_bind_epoch >= bind_epoch); + bind_epoch = *_bind_epoch; + } +} + +bool OSDService::prepare_to_stop() +{ + std::unique_lock l(is_stopping_lock); + if (get_state() != NOT_STOPPING) + return false; + + OSDMapRef osdmap = get_osdmap(); + if (osdmap && osdmap->is_up(whoami)) { + dout(0) << __func__ << " telling mon we are shutting down and dead " << dendl; + set_state(PREPARING_TO_STOP); + monc->send_mon_message( + new MOSDMarkMeDown( + monc->get_fsid(), + whoami, + osdmap->get_addrs(whoami), + osdmap->get_epoch(), + true, // request ack + true // mark as down and dead + )); + const auto timeout = ceph::make_timespan(cct->_conf->osd_mon_shutdown_timeout); + is_stopping_cond.wait_for(l, timeout, + [this] { return get_state() == STOPPING; }); + } + + dout(0) << __func__ << " starting shutdown" << dendl; + set_state(STOPPING); + return true; +} + +void OSDService::got_stop_ack() +{ + std::scoped_lock l(is_stopping_lock); + if (get_state() == PREPARING_TO_STOP) { + dout(0) << __func__ << " starting shutdown" << dendl; + set_state(STOPPING); + is_stopping_cond.notify_all(); + } else { + dout(10) << __func__ << " ignoring msg" << dendl; + } +} + +MOSDMap *OSDService::build_incremental_map_msg(epoch_t since, epoch_t to, + OSDSuperblock& sblock) +{ + MOSDMap *m = new MOSDMap(monc->get_fsid(), + osdmap->get_encoding_features()); + m->cluster_osdmap_trim_lower_bound = sblock.cluster_osdmap_trim_lower_bound; + m->newest_map = sblock.newest_map; + + int max = cct->_conf->osd_map_message_max; + ssize_t max_bytes = cct->_conf->osd_map_message_max_bytes; + + if (since < m->cluster_osdmap_trim_lower_bound) { + // we don't have the next map the target wants, so start with a + // full map. + bufferlist bl; + dout(10) << __func__ << " cluster osdmap lower bound " + << sblock.cluster_osdmap_trim_lower_bound + << " > since " << since << ", starting with full map" + << dendl; + since = m->cluster_osdmap_trim_lower_bound; + if (!get_map_bl(since, bl)) { + derr << __func__ << " missing full map " << since << dendl; + goto panic; + } + max--; + max_bytes -= bl.length(); + m->maps[since] = std::move(bl); + } + for (epoch_t e = since + 1; e <= to; ++e) { + bufferlist bl; + if (get_inc_map_bl(e, bl)) { + m->incremental_maps[e] = bl; + } else { + dout(10) << __func__ << " missing incremental map " << e << dendl; + if (!get_map_bl(e, bl)) { + derr << __func__ << " also missing full map " << e << dendl; + goto panic; + } + m->maps[e] = bl; + } + max--; + max_bytes -= bl.length(); + if (max <= 0 || max_bytes <= 0) { + break; + } + } + return m; + + panic: + if (!m->maps.empty() || + !m->incremental_maps.empty()) { + // send what we have so far + return m; + } + // send something + bufferlist bl; + if (get_inc_map_bl(m->newest_map, bl)) { + m->incremental_maps[m->newest_map] = std::move(bl); + } else { + derr << __func__ << " unable to load latest map " << m->newest_map << dendl; + if (!get_map_bl(m->newest_map, bl)) { + derr << __func__ << " unable to load latest full map " << m->newest_map + << dendl; + ceph_abort(); + } + m->maps[m->newest_map] = std::move(bl); + } + return m; +} + +void OSDService::send_map(MOSDMap *m, Connection *con) +{ + con->send_message(m); +} + +void OSDService::send_incremental_map(epoch_t since, Connection *con, + const OSDMapRef& osdmap) +{ + epoch_t to = osdmap->get_epoch(); + dout(10) << "send_incremental_map " << since << " -> " << to + << " to " << con << " " << con->get_peer_addr() << dendl; + + MOSDMap *m = NULL; + while (!m) { + OSDSuperblock sblock(get_superblock()); + if (since < sblock.oldest_map) { + // just send latest full map + MOSDMap *m = new MOSDMap(monc->get_fsid(), + osdmap->get_encoding_features()); + m->cluster_osdmap_trim_lower_bound = sblock.cluster_osdmap_trim_lower_bound; + m->newest_map = sblock.newest_map; + get_map_bl(to, m->maps[to]); + send_map(m, con); + return; + } + + if (to > since && (int64_t)(to - since) > cct->_conf->osd_map_share_max_epochs) { + dout(10) << " " << (to - since) << " > max " << cct->_conf->osd_map_share_max_epochs + << ", only sending most recent" << dendl; + since = to - cct->_conf->osd_map_share_max_epochs; + } + + m = build_incremental_map_msg(since, to, sblock); + } + send_map(m, con); +} + +bool OSDService::_get_map_bl(epoch_t e, bufferlist& bl) +{ + bool found = map_bl_cache.lookup(e, &bl); + if (found) { + logger->inc(l_osd_map_bl_cache_hit); + return true; + } + logger->inc(l_osd_map_bl_cache_miss); + found = store->read(meta_ch, + OSD::get_osdmap_pobject_name(e), 0, 0, bl, + CEPH_OSD_OP_FLAG_FADVISE_WILLNEED) >= 0; + if (found) { + _add_map_bl(e, bl); + } + return found; +} + +bool OSDService::get_inc_map_bl(epoch_t e, bufferlist& bl) +{ + std::lock_guard l(map_cache_lock); + bool found = map_bl_inc_cache.lookup(e, &bl); + if (found) { + logger->inc(l_osd_map_bl_cache_hit); + return true; + } + logger->inc(l_osd_map_bl_cache_miss); + found = store->read(meta_ch, + OSD::get_inc_osdmap_pobject_name(e), 0, 0, bl, + CEPH_OSD_OP_FLAG_FADVISE_WILLNEED) >= 0; + if (found) { + _add_map_inc_bl(e, bl); + } + return found; +} + +void OSDService::_add_map_bl(epoch_t e, bufferlist& bl) +{ + dout(10) << "add_map_bl " << e << " " << bl.length() << " bytes" << dendl; + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + bl.try_assign_to_mempool(mempool::mempool_osd_mapbl); + map_bl_cache.add(e, bl); +} + +void OSDService::_add_map_inc_bl(epoch_t e, bufferlist& bl) +{ + dout(10) << "add_map_inc_bl " << e << " " << bl.length() << " bytes" << dendl; + // cache a contiguous buffer + if (bl.get_num_buffers() > 1) { + bl.rebuild(); + } + bl.try_assign_to_mempool(mempool::mempool_osd_mapbl); + map_bl_inc_cache.add(e, bl); +} + +OSDMapRef OSDService::_add_map(OSDMap *o) +{ + epoch_t e = o->get_epoch(); + + if (cct->_conf->osd_map_dedup) { + // Dedup against an existing map at a nearby epoch + OSDMapRef for_dedup = map_cache.lower_bound(e); + if (for_dedup) { + OSDMap::dedup(for_dedup.get(), o); + } + } + bool existed; + OSDMapRef l = map_cache.add(e, o, &existed); + if (existed) { + delete o; + } + return l; +} + +OSDMapRef OSDService::try_get_map(epoch_t epoch) +{ + std::lock_guard l(map_cache_lock); + OSDMapRef retval = map_cache.lookup(epoch); + if (retval) { + dout(30) << "get_map " << epoch << " -cached" << dendl; + logger->inc(l_osd_map_cache_hit); + return retval; + } + { + logger->inc(l_osd_map_cache_miss); + epoch_t lb = map_cache.cached_key_lower_bound(); + if (epoch < lb) { + dout(30) << "get_map " << epoch << " - miss, below lower bound" << dendl; + logger->inc(l_osd_map_cache_miss_low); + logger->inc(l_osd_map_cache_miss_low_avg, lb - epoch); + } + } + + OSDMap *map = new OSDMap; + if (epoch > 0) { + dout(20) << "get_map " << epoch << " - loading and decoding " << map << dendl; + bufferlist bl; + if (!_get_map_bl(epoch, bl) || bl.length() == 0) { + derr << "failed to load OSD map for epoch " << epoch << ", got " << bl.length() << " bytes" << dendl; + delete map; + return OSDMapRef(); + } + map->decode(bl); + } else { + dout(20) << "get_map " << epoch << " - return initial " << map << dendl; + } + return _add_map(map); +} + +// ops + + +void OSDService::reply_op_error(OpRequestRef op, int err) +{ + reply_op_error(op, err, eversion_t(), 0, {}); +} + +void OSDService::reply_op_error(OpRequestRef op, int err, eversion_t v, + version_t uv, + vector<pg_log_op_return_item_t> op_returns) +{ + auto m = op->get_req<MOSDOp>(); + ceph_assert(m->get_type() == CEPH_MSG_OSD_OP); + int flags; + flags = m->get_flags() & (CEPH_OSD_FLAG_ACK|CEPH_OSD_FLAG_ONDISK); + + MOSDOpReply *reply = new MOSDOpReply(m, err, osdmap->get_epoch(), flags, + !m->has_flag(CEPH_OSD_FLAG_RETURNVEC)); + reply->set_reply_versions(v, uv); + reply->set_op_returns(op_returns); + m->get_connection()->send_message(reply); +} + +void OSDService::handle_misdirected_op(PG *pg, OpRequestRef op) +{ + if (!cct->_conf->osd_debug_misdirected_ops) { + return; + } + + auto m = op->get_req<MOSDOp>(); + ceph_assert(m->get_type() == CEPH_MSG_OSD_OP); + + ceph_assert(m->get_map_epoch() >= pg->get_history().same_primary_since); + + if (pg->is_ec_pg()) { + /** + * OSD recomputes op target based on current OSDMap. With an EC pg, we + * can get this result: + * 1) client at map 512 sends an op to osd 3, pg_t 3.9 based on mapping + * [CRUSH_ITEM_NONE, 2, 3]/3 + * 2) OSD 3 at map 513 remaps op to osd 3, spg_t 3.9s0 based on mapping + * [3, 2, 3]/3 + * 3) PG 3.9s0 dequeues the op at epoch 512 and notices that it isn't primary + * -- misdirected op + * 4) client resends and this time PG 3.9s0 having caught up to 513 gets + * it and fulfils it + * + * We can't compute the op target based on the sending map epoch due to + * splitting. The simplest thing is to detect such cases here and drop + * them without an error (the client will resend anyway). + */ + ceph_assert(m->get_map_epoch() <= superblock.newest_map); + OSDMapRef opmap = try_get_map(m->get_map_epoch()); + if (!opmap) { + dout(7) << __func__ << ": " << *pg << " no longer have map for " + << m->get_map_epoch() << ", dropping" << dendl; + return; + } + pg_t _pgid = m->get_raw_pg(); + spg_t pgid; + if ((m->get_flags() & CEPH_OSD_FLAG_PGOP) == 0) + _pgid = opmap->raw_pg_to_pg(_pgid); + if (opmap->get_primary_shard(_pgid, &pgid) && + pgid.shard != pg->pg_id.shard) { + dout(7) << __func__ << ": " << *pg << " primary changed since " + << m->get_map_epoch() << ", dropping" << dendl; + return; + } + } + + dout(7) << *pg << " misdirected op in " << m->get_map_epoch() << dendl; + clog->warn() << m->get_source_inst() << " misdirected " << m->get_reqid() + << " pg " << m->get_raw_pg() + << " to osd." << whoami + << " not " << pg->get_acting() + << " in e" << m->get_map_epoch() << "/" << osdmap->get_epoch(); +} + +void OSDService::enqueue_back(OpSchedulerItem&& qi) +{ + osd->op_shardedwq.queue(std::move(qi)); +} + +void OSDService::enqueue_front(OpSchedulerItem&& qi) +{ + osd->op_shardedwq.queue_front(std::move(qi)); +} + +void OSDService::queue_recovery_context( + PG *pg, + GenContext<ThreadPool::TPHandle&> *c, + uint64_t cost, + int priority) +{ + epoch_t e = get_osdmap_epoch(); + + uint64_t cost_for_queue = [this, cost] { + if (cct->_conf->osd_op_queue == "mclock_scheduler") { + return cost; + } else { + /* We retain this legacy behavior for WeightedPriorityQueue. It seems to + * require very large costs for several messages in order to do any + * meaningful amount of throttling. This branch should be removed after + * Reef. + */ + return cct->_conf->osd_recovery_cost; + } + }(); + + enqueue_back( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>( + new PGRecoveryContext(pg->get_pgid(), c, e, priority)), + cost_for_queue, + cct->_conf->osd_recovery_priority, + ceph_clock_now(), + 0, + e)); +} + +void OSDService::queue_for_snap_trim(PG *pg) +{ + dout(10) << "queueing " << *pg << " for snaptrim" << dendl; + enqueue_back( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>( + new PGSnapTrim(pg->get_pgid(), pg->get_osdmap_epoch())), + cct->_conf->osd_snap_trim_cost, + cct->_conf->osd_snap_trim_priority, + ceph_clock_now(), + 0, + pg->get_osdmap_epoch())); +} + +template <class MSG_TYPE> +void OSDService::queue_scrub_event_msg(PG* pg, + Scrub::scrub_prio_t with_priority, + unsigned int qu_priority, + Scrub::act_token_t act_token) +{ + const auto epoch = pg->get_osdmap_epoch(); + auto msg = new MSG_TYPE(pg->get_pgid(), epoch, act_token); + dout(15) << "queue a scrub event (" << *msg << ") for " << *pg + << ". Epoch: " << epoch << " token: " << act_token << dendl; + enqueue_back(OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>(msg), get_scrub_cost(), + pg->scrub_requeue_priority(with_priority, qu_priority), ceph_clock_now(), 0, epoch)); +} + +template <class MSG_TYPE> +void OSDService::queue_scrub_event_msg(PG* pg, + Scrub::scrub_prio_t with_priority) +{ + const auto epoch = pg->get_osdmap_epoch(); + auto msg = new MSG_TYPE(pg->get_pgid(), epoch); + dout(15) << "queue a scrub event (" << *msg << ") for " << *pg << ". Epoch: " << epoch << dendl; + enqueue_back(OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>(msg), get_scrub_cost(), + pg->scrub_requeue_priority(with_priority), ceph_clock_now(), 0, epoch)); +} + +int64_t OSDService::get_scrub_cost() +{ + + int64_t cost_for_queue = cct->_conf->osd_scrub_cost; + if (cct->_conf->osd_op_queue == "mclock_scheduler") { + cost_for_queue = cct->_conf->osd_scrub_event_cost * + cct->_conf->osd_shallow_scrub_chunk_max; + } + return cost_for_queue; +} + +void OSDService::queue_for_scrub(PG* pg, Scrub::scrub_prio_t with_priority) +{ + queue_scrub_event_msg<PGScrub>(pg, with_priority); +} + +void OSDService::queue_scrub_after_repair(PG* pg, Scrub::scrub_prio_t with_priority) +{ + queue_scrub_event_msg<PGScrubAfterRepair>(pg, with_priority); +} + +void OSDService::queue_for_rep_scrub(PG* pg, + Scrub::scrub_prio_t with_priority, + unsigned int qu_priority, + Scrub::act_token_t act_token) +{ + queue_scrub_event_msg<PGRepScrub>(pg, with_priority, qu_priority, act_token); +} + +void OSDService::queue_for_rep_scrub_resched(PG* pg, + Scrub::scrub_prio_t with_priority, + unsigned int qu_priority, + Scrub::act_token_t act_token) +{ + // Resulting scrub event: 'SchedReplica' + queue_scrub_event_msg<PGRepScrubResched>(pg, with_priority, qu_priority, + act_token); +} + +void OSDService::queue_for_scrub_granted(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'RemotesReserved' + queue_scrub_event_msg<PGScrubResourcesOK>(pg, with_priority); +} + +void OSDService::queue_for_scrub_denied(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'ReservationFailure' + queue_scrub_event_msg<PGScrubDenied>(pg, with_priority); +} + +void OSDService::queue_for_scrub_resched(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'InternalSchedScrub' + queue_scrub_event_msg<PGScrubResched>(pg, with_priority); +} + +void OSDService::queue_scrub_pushes_update(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'ActivePushesUpd' + queue_scrub_event_msg<PGScrubPushesUpdate>(pg, with_priority); +} + +void OSDService::queue_scrub_chunk_free(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'SelectedChunkFree' + queue_scrub_event_msg<PGScrubChunkIsFree>(pg, with_priority); +} + +void OSDService::queue_scrub_chunk_busy(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'ChunkIsBusy' + queue_scrub_event_msg<PGScrubChunkIsBusy>(pg, with_priority); +} + +void OSDService::queue_scrub_applied_update(PG* pg, Scrub::scrub_prio_t with_priority) +{ + queue_scrub_event_msg<PGScrubAppliedUpdate>(pg, with_priority); +} + +void OSDService::queue_scrub_unblocking(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'Unblocked' + queue_scrub_event_msg<PGScrubUnblocked>(pg, with_priority); +} + +void OSDService::queue_scrub_digest_update(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'DigestUpdate' + queue_scrub_event_msg<PGScrubDigestUpdate>(pg, with_priority); +} + +void OSDService::queue_scrub_got_local_map(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'IntLocalMapDone' + queue_scrub_event_msg<PGScrubGotLocalMap>(pg, with_priority); +} + +void OSDService::queue_scrub_got_repl_maps(PG* pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'GotReplicas' + queue_scrub_event_msg<PGScrubGotReplMaps>(pg, with_priority); +} + +void OSDService::queue_scrub_replica_pushes(PG *pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'ReplicaPushesUpd' + queue_scrub_event_msg<PGScrubReplicaPushes>(pg, with_priority); +} + +void OSDService::queue_scrub_is_finished(PG *pg) +{ + // Resulting scrub event: 'ScrubFinished' + queue_scrub_event_msg<PGScrubScrubFinished>(pg, Scrub::scrub_prio_t::high_priority); +} + +void OSDService::queue_scrub_next_chunk(PG *pg, Scrub::scrub_prio_t with_priority) +{ + // Resulting scrub event: 'NextChunk' + queue_scrub_event_msg<PGScrubGetNextChunk>(pg, with_priority); +} + +void OSDService::queue_for_pg_delete(spg_t pgid, epoch_t e) +{ + dout(10) << __func__ << " on " << pgid << " e " << e << dendl; + enqueue_back( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>( + new PGDelete(pgid, e)), + cct->_conf->osd_pg_delete_cost, + cct->_conf->osd_pg_delete_priority, + ceph_clock_now(), + 0, + e)); +} + +bool OSDService::try_finish_pg_delete(PG *pg, unsigned old_pg_num) +{ + return osd->try_finish_pg_delete(pg, old_pg_num); +} + +// --- + +void OSDService::set_ready_to_merge_source(PG *pg, eversion_t version) +{ + std::lock_guard l(merge_lock); + dout(10) << __func__ << " " << pg->pg_id << dendl; + ready_to_merge_source[pg->pg_id.pgid] = version; + assert(not_ready_to_merge_source.count(pg->pg_id.pgid) == 0); + _send_ready_to_merge(); +} + +void OSDService::set_ready_to_merge_target(PG *pg, + eversion_t version, + epoch_t last_epoch_started, + epoch_t last_epoch_clean) +{ + std::lock_guard l(merge_lock); + dout(10) << __func__ << " " << pg->pg_id << dendl; + ready_to_merge_target.insert(make_pair(pg->pg_id.pgid, + make_tuple(version, + last_epoch_started, + last_epoch_clean))); + assert(not_ready_to_merge_target.count(pg->pg_id.pgid) == 0); + _send_ready_to_merge(); +} + +void OSDService::set_not_ready_to_merge_source(pg_t source) +{ + std::lock_guard l(merge_lock); + dout(10) << __func__ << " " << source << dendl; + not_ready_to_merge_source.insert(source); + assert(ready_to_merge_source.count(source) == 0); + _send_ready_to_merge(); +} + +void OSDService::set_not_ready_to_merge_target(pg_t target, pg_t source) +{ + std::lock_guard l(merge_lock); + dout(10) << __func__ << " " << target << " source " << source << dendl; + not_ready_to_merge_target[target] = source; + assert(ready_to_merge_target.count(target) == 0); + _send_ready_to_merge(); +} + +void OSDService::send_ready_to_merge() +{ + std::lock_guard l(merge_lock); + _send_ready_to_merge(); +} + +void OSDService::_send_ready_to_merge() +{ + dout(20) << __func__ + << " ready_to_merge_source " << ready_to_merge_source + << " not_ready_to_merge_source " << not_ready_to_merge_source + << " ready_to_merge_target " << ready_to_merge_target + << " not_ready_to_merge_target " << not_ready_to_merge_target + << " sent_ready_to_merge_source " << sent_ready_to_merge_source + << dendl; + for (auto src : not_ready_to_merge_source) { + if (sent_ready_to_merge_source.count(src) == 0) { + monc->send_mon_message(new MOSDPGReadyToMerge( + src, + {}, {}, 0, 0, + false, + osdmap->get_epoch())); + sent_ready_to_merge_source.insert(src); + } + } + for (auto p : not_ready_to_merge_target) { + if (sent_ready_to_merge_source.count(p.second) == 0) { + monc->send_mon_message(new MOSDPGReadyToMerge( + p.second, + {}, {}, 0, 0, + false, + osdmap->get_epoch())); + sent_ready_to_merge_source.insert(p.second); + } + } + for (auto src : ready_to_merge_source) { + if (not_ready_to_merge_source.count(src.first) || + not_ready_to_merge_target.count(src.first.get_parent())) { + continue; + } + auto p = ready_to_merge_target.find(src.first.get_parent()); + if (p != ready_to_merge_target.end() && + sent_ready_to_merge_source.count(src.first) == 0) { + monc->send_mon_message(new MOSDPGReadyToMerge( + src.first, // source pgid + src.second, // src version + std::get<0>(p->second), // target version + std::get<1>(p->second), // PG's last_epoch_started + std::get<2>(p->second), // PG's last_epoch_clean + true, + osdmap->get_epoch())); + sent_ready_to_merge_source.insert(src.first); + } + } +} + +void OSDService::clear_ready_to_merge(PG *pg) +{ + std::lock_guard l(merge_lock); + dout(10) << __func__ << " " << pg->pg_id << dendl; + ready_to_merge_source.erase(pg->pg_id.pgid); + ready_to_merge_target.erase(pg->pg_id.pgid); + not_ready_to_merge_source.erase(pg->pg_id.pgid); + not_ready_to_merge_target.erase(pg->pg_id.pgid); + sent_ready_to_merge_source.erase(pg->pg_id.pgid); +} + +void OSDService::clear_sent_ready_to_merge() +{ + std::lock_guard l(merge_lock); + sent_ready_to_merge_source.clear(); +} + +void OSDService::prune_sent_ready_to_merge(const OSDMapRef& osdmap) +{ + std::lock_guard l(merge_lock); + auto i = sent_ready_to_merge_source.begin(); + while (i != sent_ready_to_merge_source.end()) { + if (!osdmap->pg_exists(*i)) { + dout(10) << __func__ << " " << *i << dendl; + i = sent_ready_to_merge_source.erase(i); + } else { + dout(20) << __func__ << " exist " << *i << dendl; + ++i; + } + } +} + +// --- + +void OSDService::_queue_for_recovery( + pg_awaiting_throttle_t p, + uint64_t reserved_pushes) +{ + ceph_assert(ceph_mutex_is_locked_by_me(recovery_lock)); + + uint64_t cost_for_queue = [this, &reserved_pushes, &p] { + if (cct->_conf->osd_op_queue == "mclock_scheduler") { + return p.cost_per_object * reserved_pushes; + } else { + /* We retain this legacy behavior for WeightedPriorityQueue. It seems to + * require very large costs for several messages in order to do any + * meaningful amount of throttling. This branch should be removed after + * Reef. + */ + return cct->_conf->osd_recovery_cost; + } + }(); + + enqueue_back( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>( + new PGRecovery( + p.pg->get_pgid(), + p.epoch_queued, + reserved_pushes, + p.priority)), + cost_for_queue, + cct->_conf->osd_recovery_priority, + ceph_clock_now(), + 0, + p.epoch_queued)); +} + +// ==================================================================== +// OSD + +#undef dout_prefix +#define dout_prefix *_dout + +// Commands shared between OSD's console and admin console: +namespace ceph::osd_cmds { + +int heap(CephContext& cct, + const cmdmap_t& cmdmap, + std::ostream& outos, + std::ostream& erros); + +} // namespace ceph::osd_cmds + +int OSD::mkfs(CephContext *cct, + std::unique_ptr<ObjectStore> store, + uuid_d fsid, + int whoami, + string osdspec_affinity) +{ + int ret; + + OSDSuperblock sb; + bufferlist sbbl; + // if we are fed a uuid for this osd, use it. + store->set_fsid(cct->_conf->osd_uuid); + + ret = store->mkfs(); + if (ret) { + derr << "OSD::mkfs: ObjectStore::mkfs failed with error " + << cpp_strerror(ret) << dendl; + return ret; + } + + store->set_cache_shards(1); // doesn't matter for mkfs! + + ret = store->mount(); + if (ret) { + derr << "OSD::mkfs: couldn't mount ObjectStore: error " + << cpp_strerror(ret) << dendl; + return ret; + } + + auto umount_store = make_scope_guard([&] { + store->umount(); + }); + + ObjectStore::CollectionHandle ch = + store->open_collection(coll_t::meta()); + if (ch) { + ret = store->read(ch, OSD_SUPERBLOCK_GOBJECT, 0, 0, sbbl); + if (ret < 0) { + derr << "OSD::mkfs: have meta collection but no superblock" << dendl; + return ret; + } + /* if we already have superblock, check content of superblock */ + dout(0) << " have superblock" << dendl; + auto p = sbbl.cbegin(); + decode(sb, p); + if (whoami != sb.whoami) { + derr << "provided osd id " << whoami << " != superblock's " << sb.whoami + << dendl; + return -EINVAL; + } + if (fsid != sb.cluster_fsid) { + derr << "provided cluster fsid " << fsid + << " != superblock's " << sb.cluster_fsid << dendl; + return -EINVAL; + } + } else { + // create superblock + sb.cluster_fsid = fsid; + sb.osd_fsid = store->get_fsid(); + sb.whoami = whoami; + sb.compat_features = get_osd_initial_compat_set(); + + bufferlist bl; + encode(sb, bl); + + ObjectStore::CollectionHandle ch = store->create_new_collection( + coll_t::meta()); + ObjectStore::Transaction t; + t.create_collection(coll_t::meta(), 0); + t.write(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, bl.length(), bl); + ret = store->queue_transaction(ch, std::move(t)); + if (ret) { + derr << "OSD::mkfs: error while writing OSD_SUPERBLOCK_GOBJECT: " + << "queue_transaction returned " << cpp_strerror(ret) << dendl; + return ret; + } + ch->flush(); + } + + ret = write_meta(cct, store.get(), sb.cluster_fsid, sb.osd_fsid, whoami, osdspec_affinity); + if (ret) { + derr << "OSD::mkfs: failed to write fsid file: error " + << cpp_strerror(ret) << dendl; + } + return ret; +} + +int OSD::write_meta(CephContext *cct, ObjectStore *store, uuid_d& cluster_fsid, uuid_d& osd_fsid, int whoami, string& osdspec_affinity) +{ + char val[80]; + int r; + + snprintf(val, sizeof(val), "%s", CEPH_OSD_ONDISK_MAGIC); + r = store->write_meta("magic", val); + if (r < 0) + return r; + + snprintf(val, sizeof(val), "%d", whoami); + r = store->write_meta("whoami", val); + if (r < 0) + return r; + + cluster_fsid.print(val); + r = store->write_meta("ceph_fsid", val); + if (r < 0) + return r; + + string key = cct->_conf.get_val<string>("key"); + if (key.size()) { + r = store->write_meta("osd_key", key); + if (r < 0) + return r; + } else { + string keyfile = cct->_conf.get_val<string>("keyfile"); + if (!keyfile.empty()) { + bufferlist keybl; + string err; + r = keybl.read_file(keyfile.c_str(), &err); + if (r < 0) { + derr << __func__ << " failed to read keyfile " << keyfile << ": " + << err << ": " << cpp_strerror(r) << dendl; + return r; + } + r = store->write_meta("osd_key", keybl.to_str()); + if (r < 0) + return r; + } + } + if (!osdspec_affinity.empty()) { + r = store->write_meta("osdspec_affinity", osdspec_affinity.c_str()); + if (r < 0) + return r; + } + + r = store->write_meta("ceph_version_when_created", pretty_version_to_str()); + if (r < 0) + return r; + + ostringstream created_at; + utime_t now = ceph_clock_now(); + now.gmtime(created_at); + r = store->write_meta("created_at", created_at.str()); + if (r < 0) + return r; + + r = store->write_meta("ready", "ready"); + if (r < 0) + return r; + + return 0; +} + +int OSD::peek_meta(ObjectStore *store, + std::string *magic, + uuid_d *cluster_fsid, + uuid_d *osd_fsid, + int *whoami, + ceph_release_t *require_osd_release) +{ + string val; + + int r = store->read_meta("magic", &val); + if (r < 0) + return r; + *magic = val; + + r = store->read_meta("whoami", &val); + if (r < 0) + return r; + *whoami = atoi(val.c_str()); + + r = store->read_meta("ceph_fsid", &val); + if (r < 0) + return r; + r = cluster_fsid->parse(val.c_str()); + if (!r) + return -EINVAL; + + r = store->read_meta("fsid", &val); + if (r < 0) { + *osd_fsid = uuid_d(); + } else { + r = osd_fsid->parse(val.c_str()); + if (!r) + return -EINVAL; + } + + r = store->read_meta("require_osd_release", &val); + if (r >= 0) { + *require_osd_release = ceph_release_from_name(val); + } + + return 0; +} + + +#undef dout_prefix +#define dout_prefix _prefix(_dout, whoami, get_osdmap_epoch()) + +// cons/des + +OSD::OSD(CephContext *cct_, + std::unique_ptr<ObjectStore> store_, + int id, + Messenger *internal_messenger, + Messenger *external_messenger, + Messenger *hb_client_front, + Messenger *hb_client_back, + Messenger *hb_front_serverm, + Messenger *hb_back_serverm, + Messenger *osdc_messenger, + MonClient *mc, + const std::string &dev, const std::string &jdev, + ceph::async::io_context_pool& poolctx) : + Dispatcher(cct_), + tick_timer(cct, osd_lock), + tick_timer_without_osd_lock(cct, tick_timer_lock), + gss_ktfile_client(cct->_conf.get_val<std::string>("gss_ktab_client_file")), + cluster_messenger(internal_messenger), + client_messenger(external_messenger), + objecter_messenger(osdc_messenger), + monc(mc), + mgrc(cct_, client_messenger, &mc->monmap), + logger(create_logger()), + recoverystate_perf(create_recoverystate_perf()), + store(std::move(store_)), + log_client(cct, client_messenger, &mc->monmap, LogClient::NO_FLAGS), + clog(log_client.create_channel()), + whoami(id), + dev_path(dev), journal_path(jdev), + store_is_rotational(store->is_rotational()), + trace_endpoint("0.0.0.0", 0, "osd"), + asok_hook(NULL), + m_osd_pg_epoch_max_lag_factor(cct->_conf.get_val<double>( + "osd_pg_epoch_max_lag_factor")), + osd_compat(get_osd_compat_set()), + osd_op_tp(cct, "OSD::osd_op_tp", "tp_osd_tp", + get_num_op_threads()), + heartbeat_stop(false), + heartbeat_need_update(true), + hb_front_client_messenger(hb_client_front), + hb_back_client_messenger(hb_client_back), + hb_front_server_messenger(hb_front_serverm), + hb_back_server_messenger(hb_back_serverm), + daily_loadavg(0.0), + heartbeat_thread(this), + heartbeat_dispatcher(this), + op_tracker(cct, cct->_conf->osd_enable_op_tracker, + cct->_conf->osd_num_op_tracker_shard), + test_ops_hook(NULL), + op_shardedwq( + this, + ceph::make_timespan(cct->_conf->osd_op_thread_timeout), + ceph::make_timespan(cct->_conf->osd_op_thread_suicide_timeout), + &osd_op_tp), + last_pg_create_epoch(0), + boot_finisher(cct), + up_thru_wanted(0), + requested_full_first(0), + requested_full_last(0), + service(this, poolctx) +{ + + if (!gss_ktfile_client.empty()) { + // Assert we can export environment variable + /* + The default client keytab is used, if it is present and readable, + to automatically obtain initial credentials for GSSAPI client + applications. The principal name of the first entry in the client + keytab is used by default when obtaining initial credentials. + 1. The KRB5_CLIENT_KTNAME environment variable. + 2. The default_client_keytab_name profile variable in [libdefaults]. + 3. The hardcoded default, DEFCKTNAME. + */ + const int32_t set_result(setenv("KRB5_CLIENT_KTNAME", + gss_ktfile_client.c_str(), 1)); + ceph_assert(set_result == 0); + } + + monc->set_messenger(client_messenger); + op_tracker.set_complaint_and_threshold(cct->_conf->osd_op_complaint_time, + cct->_conf->osd_op_log_threshold); + op_tracker.set_history_size_and_duration(cct->_conf->osd_op_history_size, + cct->_conf->osd_op_history_duration); + op_tracker.set_history_slow_op_size_and_threshold(cct->_conf->osd_op_history_slow_op_size, + cct->_conf->osd_op_history_slow_op_threshold); + ObjectCleanRegions::set_max_num_intervals(cct->_conf->osd_object_clean_region_max_num_intervals); +#ifdef WITH_BLKIN + std::stringstream ss; + ss << "osd." << whoami; + trace_endpoint.copy_name(ss.str()); +#endif + + // initialize shards + num_shards = get_num_op_shards(); + for (uint32_t i = 0; i < num_shards; i++) { + OSDShard *one_shard = new OSDShard( + i, + cct, + this); + shards.push_back(one_shard); + } +} + +OSD::~OSD() +{ + while (!shards.empty()) { + delete shards.back(); + shards.pop_back(); + } + cct->get_perfcounters_collection()->remove(recoverystate_perf); + cct->get_perfcounters_collection()->remove(logger); + delete recoverystate_perf; + delete logger; +} + +double OSD::get_tick_interval() const +{ + // vary +/- 5% to avoid scrub scheduling livelocks + constexpr auto delta = 0.05; + return (OSD_TICK_INTERVAL * + ceph::util::generate_random_number(1.0 - delta, 1.0 + delta)); +} + +void OSD::handle_signal(int signum) +{ + ceph_assert(signum == SIGINT || signum == SIGTERM); + derr << "*** Got signal " << sig_str(signum) << " ***" << dendl; + shutdown(); +} + +int OSD::pre_init() +{ + std::lock_guard lock(osd_lock); + if (is_stopping()) + return 0; + + if (store->test_mount_in_use()) { + derr << "OSD::pre_init: object store '" << dev_path << "' is " + << "currently in use. (Is ceph-osd already running?)" << dendl; + return -EBUSY; + } + + cct->_conf.add_observer(this); + return 0; +} + +int OSD::set_numa_affinity() +{ + // storage numa node + int store_node = -1; + store->get_numa_node(&store_node, nullptr, nullptr); + if (store_node >= 0) { + dout(1) << __func__ << " storage numa node " << store_node << dendl; + } + + // check network numa node(s) + int front_node = -1, back_node = -1; + string front_iface = pick_iface( + cct, + client_messenger->get_myaddrs().front().get_sockaddr_storage()); + string back_iface = pick_iface( + cct, + cluster_messenger->get_myaddrs().front().get_sockaddr_storage()); + int r = get_iface_numa_node(front_iface, &front_node); + if (r >= 0 && front_node >= 0) { + dout(1) << __func__ << " public network " << front_iface << " numa node " + << front_node << dendl; + r = get_iface_numa_node(back_iface, &back_node); + if (r >= 0 && back_node >= 0) { + dout(1) << __func__ << " cluster network " << back_iface << " numa node " + << back_node << dendl; + if (front_node == back_node && + front_node == store_node) { + dout(1) << " objectstore and network numa nodes all match" << dendl; + if (g_conf().get_val<bool>("osd_numa_auto_affinity")) { + numa_node = front_node; + } + } else if (front_node != back_node) { + dout(1) << __func__ << " public and cluster network numa nodes do not match" + << dendl; + } else { + dout(1) << __func__ << " objectstore and network numa nodes do not match" + << dendl; + } + } else if (back_node == -2) { + dout(1) << __func__ << " cluster network " << back_iface + << " ports numa nodes do not match" << dendl; + } else { + derr << __func__ << " unable to identify cluster interface '" << back_iface + << "' numa node: " << cpp_strerror(r) << dendl; + } + } else if (front_node == -2) { + dout(1) << __func__ << " public network " << front_iface + << " ports numa nodes do not match" << dendl; + } else { + derr << __func__ << " unable to identify public interface '" << front_iface + << "' numa node: " << cpp_strerror(r) << dendl; + } + if (int node = g_conf().get_val<int64_t>("osd_numa_node"); node >= 0) { + // this takes precedence over the automagic logic above + numa_node = node; + } + if (numa_node >= 0) { + int r = get_numa_node_cpu_set(numa_node, &numa_cpu_set_size, &numa_cpu_set); + if (r < 0) { + dout(1) << __func__ << " unable to determine numa node " << numa_node + << " CPUs" << dendl; + numa_node = -1; + } else { + dout(1) << __func__ << " setting numa affinity to node " << numa_node + << " cpus " + << cpu_set_to_str_list(numa_cpu_set_size, &numa_cpu_set) + << dendl; + r = set_cpu_affinity_all_threads(numa_cpu_set_size, &numa_cpu_set); + if (r < 0) { + r = -errno; + derr << __func__ << " failed to set numa affinity: " << cpp_strerror(r) + << dendl; + numa_node = -1; + } + } + } else { + dout(1) << __func__ << " not setting numa affinity" << dendl; + } + return 0; +} + +// asok + +class OSDSocketHook : public AdminSocketHook { + OSD *osd; +public: + explicit OSDSocketHook(OSD *o) : osd(o) {} + int call(std::string_view prefix, const cmdmap_t& cmdmap, + const bufferlist& inbl, + Formatter *f, + std::ostream& ss, + bufferlist& out) override { + ceph_abort("should use async hook"); + } + void call_async( + std::string_view prefix, + const cmdmap_t& cmdmap, + Formatter *f, + const bufferlist& inbl, + std::function<void(int,const std::string&,bufferlist&)> on_finish) override { + try { + osd->asok_command(prefix, cmdmap, f, inbl, on_finish); + } catch (const TOPNSPC::common::bad_cmd_get& e) { + bufferlist empty; + on_finish(-EINVAL, e.what(), empty); + } + } +}; + +std::set<int64_t> OSD::get_mapped_pools() +{ + std::set<int64_t> pools; + std::vector<spg_t> pgids; + _get_pgids(&pgids); + for (const auto &pgid : pgids) { + pools.insert(pgid.pool()); + } + return pools; +} + +OSD::PGRefOrError OSD::locate_asok_target(const cmdmap_t& cmdmap, + stringstream& ss, + bool only_primary) +{ + string pgidstr; + if (!cmd_getval(cmdmap, "pgid", pgidstr)) { + ss << "no pgid specified"; + return OSD::PGRefOrError{std::nullopt, -EINVAL}; + } + + pg_t pgid; + if (!pgid.parse(pgidstr.c_str())) { + ss << "couldn't parse pgid '" << pgidstr << "'"; + return OSD::PGRefOrError{std::nullopt, -EINVAL}; + } + + spg_t pcand; + PGRef pg; + if (get_osdmap()->get_primary_shard(pgid, &pcand) && (pg = _lookup_lock_pg(pcand))) { + if (pg->is_primary() || !only_primary) { + return OSD::PGRefOrError{pg, 0}; + } + + ss << "not primary for pgid " << pgid; + pg->unlock(); + return OSD::PGRefOrError{std::nullopt, -EAGAIN}; + } else { + ss << "i don't have pgid " << pgid; + return OSD::PGRefOrError{std::nullopt, -ENOENT}; + } +} + +// note that the cmdmap is explicitly copied into asok_route_to_pg() +int OSD::asok_route_to_pg( + bool only_primary, + std::string_view prefix, + cmdmap_t cmdmap, + Formatter* f, + stringstream& ss, + const bufferlist& inbl, + bufferlist& outbl, + std::function<void(int, const std::string&, bufferlist&)> on_finish) +{ + auto [target_pg, ret] = locate_asok_target(cmdmap, ss, only_primary); + + if (!target_pg.has_value()) { + // 'ss' and 'ret' already contain the error information + on_finish(ret, ss.str(), outbl); + return ret; + } + + // the PG was locked by locate_asok_target() + try { + (*target_pg)->do_command(prefix, cmdmap, inbl, on_finish); + (*target_pg)->unlock(); + return 0; // the pg handler calls on_finish directly + } catch (const TOPNSPC::common::bad_cmd_get& e) { + (*target_pg)->unlock(); + ss << e.what(); + on_finish(ret, ss.str(), outbl); + return -EINVAL; + } +} + +void OSD::asok_command( + std::string_view prefix, const cmdmap_t& cmdmap, + Formatter *f, + const bufferlist& inbl, + std::function<void(int,const std::string&,bufferlist&)> on_finish) +{ + int ret = 0; + stringstream ss; // stderr error message stream + bufferlist outbl; // if empty at end, we'll dump formatter as output + + // --- PG commands are routed here to PG::do_command --- + if (prefix == "pg" || + prefix == "query" || + prefix == "log" || + prefix == "mark_unfound_lost" || + prefix == "list_unfound" || + prefix == "scrub" || + prefix == "deep_scrub" + ) { + string pgidstr; + pg_t pgid; + if (!cmd_getval(cmdmap, "pgid", pgidstr)) { + ss << "no pgid specified"; + ret = -EINVAL; + goto out; + } + if (!pgid.parse(pgidstr.c_str())) { + ss << "couldn't parse pgid '" << pgidstr << "'"; + ret = -EINVAL; + goto out; + } + spg_t pcand; + PGRef pg; + if (get_osdmap()->get_primary_shard(pgid, &pcand) && + (pg = _lookup_lock_pg(pcand))) { + if (pg->is_primary()) { + cmdmap_t new_cmdmap = cmdmap; + try { + pg->do_command(prefix, new_cmdmap, inbl, on_finish); + pg->unlock(); + return; // the pg handler calls on_finish directly + } catch (const TOPNSPC::common::bad_cmd_get& e) { + pg->unlock(); + ss << e.what(); + ret = -EINVAL; + goto out; + } + } else { + ss << "not primary for pgid " << pgid; + // do not reply; they will get newer maps and realize they + // need to resend. + pg->unlock(); + ret = -EAGAIN; + goto out; + } + } else { + ss << "i don't have pgid " << pgid; + ret = -ENOENT; + } + } + + // --- PG commands that will be answered even if !primary --- + + else if (prefix == "scrubdebug") { + asok_route_to_pg(false, prefix, cmdmap, f, ss, inbl, outbl, on_finish); + return; + } + + // --- OSD commands follow --- + + else if (prefix == "status") { + lock_guard l(osd_lock); + f->open_object_section("status"); + f->dump_stream("cluster_fsid") << superblock.cluster_fsid; + f->dump_stream("osd_fsid") << superblock.osd_fsid; + f->dump_unsigned("whoami", superblock.whoami); + f->dump_string("state", get_state_name(get_state())); + f->dump_unsigned("oldest_map", superblock.oldest_map); + f->dump_unsigned("cluster_osdmap_trim_lower_bound", + superblock.cluster_osdmap_trim_lower_bound); + f->dump_unsigned("newest_map", superblock.newest_map); + f->dump_unsigned("num_pgs", num_pgs); + f->close_section(); + } else if (prefix == "flush_journal") { + store->flush_journal(); + } else if (prefix == "dump_ops_in_flight" || + prefix == "ops" || + prefix == "dump_blocked_ops" || + prefix == "dump_blocked_ops_count" || + prefix == "dump_historic_ops" || + prefix == "dump_historic_ops_by_duration" || + prefix == "dump_historic_slow_ops") { + + const string error_str = "op_tracker tracking is not enabled now, so no ops are tracked currently, \ +even those get stuck. Please enable \"osd_enable_op_tracker\", and the tracker \ +will start to track new ops received afterwards."; + + set<string> filters; + vector<string> filter_str; + if (cmd_getval(cmdmap, "filterstr", filter_str)) { + copy(filter_str.begin(), filter_str.end(), + inserter(filters, filters.end())); + } + + if (prefix == "dump_ops_in_flight" || + prefix == "ops") { + if (!op_tracker.dump_ops_in_flight(f, false, filters)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + if (prefix == "dump_blocked_ops") { + if (!op_tracker.dump_ops_in_flight(f, true, filters)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + if (prefix == "dump_blocked_ops_count") { + if (!op_tracker.dump_ops_in_flight(f, true, filters, true)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + if (prefix == "dump_historic_ops") { + if (!op_tracker.dump_historic_ops(f, false, filters)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + if (prefix == "dump_historic_ops_by_duration") { + if (!op_tracker.dump_historic_ops(f, true, filters)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + if (prefix == "dump_historic_slow_ops") { + if (!op_tracker.dump_historic_slow_ops(f, filters)) { + ss << error_str; + ret = -EINVAL; + goto out; + } + } + } else if (prefix == "dump_op_pq_state") { + f->open_object_section("pq"); + op_shardedwq.dump(f); + f->close_section(); + } else if (prefix == "dump_blocklist") { + list<pair<entity_addr_t,utime_t> > bl; + list<pair<entity_addr_t,utime_t> > rbl; + OSDMapRef curmap = service.get_osdmap(); + curmap->get_blocklist(&bl, &rbl); + + f->open_array_section("blocklist"); + for (list<pair<entity_addr_t,utime_t> >::iterator it = bl.begin(); + it != bl.end(); ++it) { + f->open_object_section("entry"); + f->open_object_section("entity_addr_t"); + it->first.dump(f); + f->close_section(); //entity_addr_t + it->second.localtime(f->dump_stream("expire_time")); + f->close_section(); //entry + } + f->close_section(); //blocklist + f->open_array_section("range_blocklist"); + for (list<pair<entity_addr_t,utime_t> >::iterator it = rbl.begin(); + it != rbl.end(); ++it) { + f->open_object_section("entry"); + f->open_object_section("entity_addr_t"); + it->first.dump(f); + f->close_section(); //entity_addr_t + it->second.localtime(f->dump_stream("expire_time")); + f->close_section(); //entry + } + f->close_section(); //blocklist + } else if (prefix == "dump_watchers") { + list<obj_watch_item_t> watchers; + // scan pg's + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + list<obj_watch_item_t> pg_watchers; + pg->get_watchers(&pg_watchers); + watchers.splice(watchers.end(), pg_watchers); + } + + f->open_array_section("watchers"); + for (list<obj_watch_item_t>::iterator it = watchers.begin(); + it != watchers.end(); ++it) { + + f->open_object_section("watch"); + + f->dump_string("namespace", it->obj.nspace); + f->dump_string("object", it->obj.oid.name); + + f->open_object_section("entity_name"); + it->wi.name.dump(f); + f->close_section(); //entity_name_t + + f->dump_unsigned("cookie", it->wi.cookie); + f->dump_unsigned("timeout", it->wi.timeout_seconds); + + f->open_object_section("entity_addr_t"); + it->wi.addr.dump(f); + f->close_section(); //entity_addr_t + + f->close_section(); //watch + } + + f->close_section(); //watchers + } else if (prefix == "dump_recovery_reservations") { + f->open_object_section("reservations"); + f->open_object_section("local_reservations"); + service.local_reserver.dump(f); + f->close_section(); + f->open_object_section("remote_reservations"); + service.remote_reserver.dump(f); + f->close_section(); + f->close_section(); + } else if (prefix == "dump_scrub_reservations") { + f->open_object_section("scrub_reservations"); + service.get_scrub_services().dump_scrub_reservations(f); + f->close_section(); + } else if (prefix == "get_latest_osdmap") { + get_latest_osdmap(); + } else if (prefix == "set_heap_property") { + string property; + int64_t value = 0; + string error; + bool success = false; + if (!cmd_getval(cmdmap, "property", property)) { + error = "unable to get property"; + success = false; + } else if (!cmd_getval(cmdmap, "value", value)) { + error = "unable to get value"; + success = false; + } else if (value < 0) { + error = "negative value not allowed"; + success = false; + } else if (!ceph_heap_set_numeric_property(property.c_str(), (size_t)value)) { + error = "invalid property"; + success = false; + } else { + success = true; + } + f->open_object_section("result"); + f->dump_string("error", error); + f->dump_bool("success", success); + f->close_section(); + } else if (prefix == "get_heap_property") { + string property; + size_t value = 0; + string error; + bool success = false; + if (!cmd_getval(cmdmap, "property", property)) { + error = "unable to get property"; + success = false; + } else if (!ceph_heap_get_numeric_property(property.c_str(), &value)) { + error = "invalid property"; + success = false; + } else { + success = true; + } + f->open_object_section("result"); + f->dump_string("error", error); + f->dump_bool("success", success); + f->dump_int("value", value); + f->close_section(); + } else if (prefix == "dump_objectstore_kv_stats") { + store->get_db_statistics(f); + } else if (prefix == "dump_scrubs") { + service.get_scrub_services().dump_scrubs(f); + } else if (prefix == "calc_objectstore_db_histogram") { + store->generate_db_histogram(f); + } else if (prefix == "flush_store_cache") { + store->flush_cache(&ss); + } else if (prefix == "rotate-stored-key") { + store->write_meta("osd_key", inbl.to_str()); + } else if (prefix == "dump_pgstate_history") { + f->open_object_section("pgstate_history"); + f->open_array_section("pgs"); + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + f->open_object_section("pg"); + f->dump_stream("pg") << pg->pg_id; + f->dump_string("currently", pg->get_current_state()); + pg->dump_pgstate_history(f); + f->close_section(); + } + f->close_section(); + f->close_section(); + } else if (prefix == "compact") { + dout(1) << "triggering manual compaction" << dendl; + auto start = ceph::coarse_mono_clock::now(); + store->compact(); + auto end = ceph::coarse_mono_clock::now(); + double duration = std::chrono::duration<double>(end-start).count(); + dout(1) << "finished manual compaction in " + << duration + << " seconds" << dendl; + f->open_object_section("compact_result"); + f->dump_float("elapsed_time", duration); + f->close_section(); + } else if (prefix == "get_mapped_pools") { + f->open_array_section("mapped_pools"); + set<int64_t> poollist = get_mapped_pools(); + for (auto pool : poollist) { + f->dump_int("pool_id", pool); + } + f->close_section(); + } else if (prefix == "smart") { + string devid; + cmd_getval(cmdmap, "devid", devid); + ostringstream out; + probe_smart(devid, out); + outbl.append(out.str()); + } else if (prefix == "list_devices") { + set<string> devnames; + store->get_devices(&devnames); + f->open_array_section("list_devices"); + for (auto dev : devnames) { + if (dev.find("dm-") == 0) { + continue; + } + string err; + f->open_object_section("device"); + f->dump_string("device", "/dev/" + dev); + f->dump_string("device_id", get_device_id(dev, &err)); + f->close_section(); + } + f->close_section(); + } else if (prefix == "send_beacon") { + lock_guard l(osd_lock); + if (is_active()) { + send_beacon(ceph::coarse_mono_clock::now()); + } + } + + else if (prefix == "cluster_log") { + vector<string> msg; + cmd_getval(cmdmap, "message", msg); + if (msg.empty()) { + ret = -EINVAL; + ss << "ignoring empty log message"; + goto out; + } + string message = msg.front(); + for (vector<string>::iterator a = ++msg.begin(); a != msg.end(); ++a) + message += " " + *a; + string lvl; + cmd_getval(cmdmap, "level", lvl); + clog_type level = string_to_clog_type(lvl); + if (level < 0) { + ret = -EINVAL; + ss << "unknown level '" << lvl << "'"; + goto out; + } + clog->do_log(level, message); + } + + else if (prefix == "bench") { + // default count 1G, size 4MB + int64_t count = cmd_getval_or<int64_t>(cmdmap, "count", 1LL << 30); + int64_t bsize = cmd_getval_or<int64_t>(cmdmap, "size", 4LL << 20); + int64_t osize = cmd_getval_or<int64_t>(cmdmap, "object_size", 0); + int64_t onum = cmd_getval_or<int64_t>(cmdmap, "object_num", 0); + double elapsed = 0.0; + + ret = run_osd_bench_test(count, bsize, osize, onum, &elapsed, ss); + if (ret != 0) { + goto out; + } + + double rate = count / elapsed; + double iops = rate / bsize; + f->open_object_section("osd_bench_results"); + f->dump_int("bytes_written", count); + f->dump_int("blocksize", bsize); + f->dump_float("elapsed_sec", elapsed); + f->dump_float("bytes_per_sec", rate); + f->dump_float("iops", iops); + f->close_section(); + } + + else if (prefix == "flush_pg_stats") { + mgrc.send_pgstats(); + f->dump_unsigned("stat_seq", service.get_osd_stat_seq()); + } + + else if (prefix == "heap") { + std::stringstream outss; + ret = ceph::osd_cmds::heap(*cct, cmdmap, outss, ss); + outbl.append(outss); + } + + else if (prefix == "debug dump_missing") { + f->open_array_section("pgs"); + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + string s = stringify(pg->pg_id); + f->open_array_section(s.c_str()); + pg->lock(); + pg->dump_missing(f); + pg->unlock(); + f->close_section(); + } + f->close_section(); + } + + else if (prefix == "debug kick_recovery_wq") { + int64_t delay; + cmd_getval(cmdmap, "delay", delay); + ostringstream oss; + oss << delay; + ret = cct->_conf.set_val("osd_recovery_delay_start", oss.str().c_str()); + if (ret != 0) { + ss << "kick_recovery_wq: error setting " + << "osd_recovery_delay_start to '" << delay << "': error " + << ret; + goto out; + } + cct->_conf.apply_changes(nullptr); + ss << "kicking recovery queue. set osd_recovery_delay_start " + << "to " << cct->_conf->osd_recovery_delay_start; + } + + else if (prefix == "cpu_profiler") { + ostringstream ds; + string arg; + cmd_getval(cmdmap, "arg", arg); + vector<string> argvec; + get_str_vec(arg, argvec); + cpu_profiler_handle_command(argvec, ds); + outbl.append(ds.str()); + } + + else if (prefix == "dump_pg_recovery_stats") { + lock_guard l(osd_lock); + pg_recovery_stats.dump_formatted(f); + } + + else if (prefix == "reset_pg_recovery_stats") { + lock_guard l(osd_lock); + pg_recovery_stats.reset(); + } + + else if (prefix == "perf histogram dump") { + std::string logger; + std::string counter; + cmd_getval(cmdmap, "logger", logger); + cmd_getval(cmdmap, "counter", counter); + cct->get_perfcounters_collection()->dump_formatted_histograms( + f, false, logger, counter); + } + + else if (prefix == "cache drop") { + lock_guard l(osd_lock); + dout(20) << "clearing all caches" << dendl; + // Clear the objectstore's cache - onode and buffer for Bluestore, + // system's pagecache for Filestore + ret = store->flush_cache(&ss); + if (ret < 0) { + ss << "Error flushing objectstore cache: " << cpp_strerror(ret); + goto out; + } + // Clear the objectcontext cache (per PG) + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg: pgs) { + pg->clear_cache(); + } + } + + else if (prefix == "cache status") { + lock_guard l(osd_lock); + int obj_ctx_count = 0; + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg: pgs) { + obj_ctx_count += pg->get_cache_obj_count(); + } + f->open_object_section("cache_status"); + f->dump_int("object_ctx", obj_ctx_count); + store->dump_cache_stats(f); + f->close_section(); + } + + else if (prefix == "scrub_purged_snaps") { + lock_guard l(osd_lock); + scrub_purged_snaps(); + } + + else if (prefix == "dump_osd_network") { + lock_guard l(osd_lock); + int64_t value = 0; + if (!(cmd_getval(cmdmap, "value", value))) { + // Convert milliseconds to microseconds + value = static_cast<double>(g_conf().get_val<double>( + "mon_warn_on_slow_ping_time")) * 1000; + if (value == 0) { + double ratio = g_conf().get_val<double>("mon_warn_on_slow_ping_ratio"); + value = g_conf().get_val<int64_t>("osd_heartbeat_grace"); + value *= 1000000 * ratio; // Seconds of grace to microseconds at ratio + } + } else { + // Convert user input to microseconds + value *= 1000; + } + if (value < 0) value = 0; + + struct osd_ping_time_t { + uint32_t pingtime; + int to; + bool back; + std::array<uint32_t,3> times; + std::array<uint32_t,3> min; + std::array<uint32_t,3> max; + uint32_t last; + uint32_t last_update; + + bool operator<(const osd_ping_time_t& rhs) const { + if (pingtime < rhs.pingtime) + return true; + if (pingtime > rhs.pingtime) + return false; + if (to < rhs.to) + return true; + if (to > rhs.to) + return false; + return back; + } + }; + + set<osd_ping_time_t> sorted; + // Get pingtimes under lock and not on the stack + map<int, osd_stat_t::Interfaces> *pingtimes = new map<int, osd_stat_t::Interfaces>; + service.get_hb_pingtime(pingtimes); + for (auto j : *pingtimes) { + if (j.second.last_update == 0) + continue; + osd_ping_time_t item; + item.pingtime = std::max(j.second.back_pingtime[0], j.second.back_pingtime[1]); + item.pingtime = std::max(item.pingtime, j.second.back_pingtime[2]); + if (item.pingtime >= value) { + item.to = j.first; + item.times[0] = j.second.back_pingtime[0]; + item.times[1] = j.second.back_pingtime[1]; + item.times[2] = j.second.back_pingtime[2]; + item.min[0] = j.second.back_min[0]; + item.min[1] = j.second.back_min[1]; + item.min[2] = j.second.back_min[2]; + item.max[0] = j.second.back_max[0]; + item.max[1] = j.second.back_max[1]; + item.max[2] = j.second.back_max[2]; + item.last = j.second.back_last; + item.back = true; + item.last_update = j.second.last_update; + sorted.emplace(item); + } + if (j.second.front_last == 0) + continue; + item.pingtime = std::max(j.second.front_pingtime[0], j.second.front_pingtime[1]); + item.pingtime = std::max(item.pingtime, j.second.front_pingtime[2]); + if (item.pingtime >= value) { + item.to = j.first; + item.times[0] = j.second.front_pingtime[0]; + item.times[1] = j.second.front_pingtime[1]; + item.times[2] = j.second.front_pingtime[2]; + item.min[0] = j.second.front_min[0]; + item.min[1] = j.second.front_min[1]; + item.min[2] = j.second.front_min[2]; + item.max[0] = j.second.front_max[0]; + item.max[1] = j.second.front_max[1]; + item.max[2] = j.second.front_max[2]; + item.last = j.second.front_last; + item.last_update = j.second.last_update; + item.back = false; + sorted.emplace(item); + } + } + delete pingtimes; + // + // Network ping times (1min 5min 15min) + f->open_object_section("network_ping_times"); + f->dump_int("threshold", value / 1000); + f->open_array_section("entries"); + for (auto &sitem : boost::adaptors::reverse(sorted)) { + ceph_assert(sitem.pingtime >= value); + f->open_object_section("entry"); + + const time_t lu(sitem.last_update); + char buffer[26]; + string lustr(ctime_r(&lu, buffer)); + lustr.pop_back(); // Remove trailing \n + auto stale = cct->_conf.get_val<int64_t>("osd_heartbeat_stale"); + f->dump_string("last update", lustr); + f->dump_bool("stale", ceph_clock_now().sec() - sitem.last_update > stale); + f->dump_int("from osd", whoami); + f->dump_int("to osd", sitem.to); + f->dump_string("interface", (sitem.back ? "back" : "front")); + f->open_object_section("average"); + f->dump_format_unquoted("1min", "%s", fixed_u_to_string(sitem.times[0],3).c_str()); + f->dump_format_unquoted("5min", "%s", fixed_u_to_string(sitem.times[1],3).c_str()); + f->dump_format_unquoted("15min", "%s", fixed_u_to_string(sitem.times[2],3).c_str()); + f->close_section(); // average + f->open_object_section("min"); + f->dump_format_unquoted("1min", "%s", fixed_u_to_string(sitem.max[0],3).c_str()); + f->dump_format_unquoted("5min", "%s", fixed_u_to_string(sitem.max[1],3).c_str()); + f->dump_format_unquoted("15min", "%s", fixed_u_to_string(sitem.max[2],3).c_str()); + f->close_section(); // min + f->open_object_section("max"); + f->dump_format_unquoted("1min", "%s", fixed_u_to_string(sitem.max[0],3).c_str()); + f->dump_format_unquoted("5min", "%s", fixed_u_to_string(sitem.max[1],3).c_str()); + f->dump_format_unquoted("15min", "%s", fixed_u_to_string(sitem.max[2],3).c_str()); + f->close_section(); // max + f->dump_format_unquoted("last", "%s", fixed_u_to_string(sitem.last,3).c_str()); + f->close_section(); // entry + } + f->close_section(); // entries + f->close_section(); // network_ping_times + } else if (prefix == "dump_pool_statfs") { + lock_guard l(osd_lock); + + int64_t p = 0; + if (!(cmd_getval(cmdmap, "poolid", p))) { + ss << "Error dumping pool statfs: no poolid provided"; + ret = -EINVAL; + goto out; + } + + store_statfs_t st; + bool per_pool_omap_stats = false; + + ret = store->pool_statfs(p, &st, &per_pool_omap_stats); + if (ret < 0) { + ss << "Error dumping pool statfs: " << cpp_strerror(ret); + goto out; + } else { + ss << "dumping pool statfs..."; + f->open_object_section("pool_statfs"); + f->dump_int("poolid", p); + st.dump(f); + f->close_section(); + } + } else { + ceph_abort_msg("broken asok registration"); + } + + out: + on_finish(ret, ss.str(), outbl); +} + +int OSD::run_osd_bench_test( + int64_t count, + int64_t bsize, + int64_t osize, + int64_t onum, + double *elapsed, + ostream &ss) +{ + int ret = 0; + srand(time(NULL) % (unsigned long) -1); + uint32_t duration = cct->_conf->osd_bench_duration; + + if (bsize > (int64_t) cct->_conf->osd_bench_max_block_size) { + // let us limit the block size because the next checks rely on it + // having a sane value. If we allow any block size to be set things + // can still go sideways. + ss << "block 'size' values are capped at " + << byte_u_t(cct->_conf->osd_bench_max_block_size) << ". If you wish to use" + << " a higher value, please adjust 'osd_bench_max_block_size'"; + ret = -EINVAL; + return ret; + } else if (bsize < (int64_t) (1 << 20)) { + // entering the realm of small block sizes. + // limit the count to a sane value, assuming a configurable amount of + // IOPS and duration, so that the OSD doesn't get hung up on this, + // preventing timeouts from going off + int64_t max_count = + bsize * duration * cct->_conf->osd_bench_small_size_max_iops; + if (count > max_count) { + ss << "'count' values greater than " << max_count + << " for a block size of " << byte_u_t(bsize) << ", assuming " + << cct->_conf->osd_bench_small_size_max_iops << " IOPS," + << " for " << duration << " seconds," + << " can cause ill effects on osd. " + << " Please adjust 'osd_bench_small_size_max_iops' with a higher" + << " value if you wish to use a higher 'count'."; + ret = -EINVAL; + return ret; + } + } else { + // 1MB block sizes are big enough so that we get more stuff done. + // However, to avoid the osd from getting hung on this and having + // timers being triggered, we are going to limit the count assuming + // a configurable throughput and duration. + // NOTE: max_count is the total amount of bytes that we believe we + // will be able to write during 'duration' for the given + // throughput. The block size hardly impacts this unless it's + // way too big. Given we already check how big the block size + // is, it's safe to assume everything will check out. + int64_t max_count = + cct->_conf->osd_bench_large_size_max_throughput * duration; + if (count > max_count) { + ss << "'count' values greater than " << max_count + << " for a block size of " << byte_u_t(bsize) << ", assuming " + << byte_u_t(cct->_conf->osd_bench_large_size_max_throughput) << "/s," + << " for " << duration << " seconds," + << " can cause ill effects on osd. " + << " Please adjust 'osd_bench_large_size_max_throughput'" + << " with a higher value if you wish to use a higher 'count'."; + ret = -EINVAL; + return ret; + } + } + + if (osize && bsize > osize) { + bsize = osize; + } + + dout(1) << " bench count " << count + << " bsize " << byte_u_t(bsize) << dendl; + + ObjectStore::Transaction cleanupt; + + if (osize && onum) { + bufferlist bl; + bufferptr bp(osize); + memset(bp.c_str(), 'a', bp.length()); + bl.push_back(std::move(bp)); + bl.rebuild_page_aligned(); + for (int i=0; i<onum; ++i) { + char nm[30]; + snprintf(nm, sizeof(nm), "disk_bw_test_%d", i); + object_t oid(nm); + hobject_t soid(sobject_t(oid, 0)); + ObjectStore::Transaction t; + t.write(coll_t(), ghobject_t(soid), 0, osize, bl); + store->queue_transaction(service.meta_ch, std::move(t), nullptr); + cleanupt.remove(coll_t(), ghobject_t(soid)); + } + } + + { + C_SaferCond waiter; + if (!service.meta_ch->flush_commit(&waiter)) { + waiter.wait(); + } + } + + bufferlist bl; + utime_t start = ceph_clock_now(); + for (int64_t pos = 0; pos < count; pos += bsize) { + char nm[34]; + unsigned offset = 0; + bufferptr bp(bsize); + memset(bp.c_str(), rand() & 0xff, bp.length()); + bl.push_back(std::move(bp)); + bl.rebuild_page_aligned(); + if (onum && osize) { + snprintf(nm, sizeof(nm), "disk_bw_test_%d", (int)(rand() % onum)); + offset = rand() % (osize / bsize) * bsize; + } else { + snprintf(nm, sizeof(nm), "disk_bw_test_%lld", (long long)pos); + } + object_t oid(nm); + hobject_t soid(sobject_t(oid, 0)); + ObjectStore::Transaction t; + t.write(coll_t::meta(), ghobject_t(soid), offset, bsize, bl); + store->queue_transaction(service.meta_ch, std::move(t), nullptr); + if (!onum || !osize) { + cleanupt.remove(coll_t::meta(), ghobject_t(soid)); + } + bl.clear(); + } + + { + C_SaferCond waiter; + if (!service.meta_ch->flush_commit(&waiter)) { + waiter.wait(); + } + } + utime_t end = ceph_clock_now(); + *elapsed = end - start; + + // clean up + store->queue_transaction(service.meta_ch, std::move(cleanupt), nullptr); + { + C_SaferCond waiter; + if (!service.meta_ch->flush_commit(&waiter)) { + waiter.wait(); + } + } + + return ret; +} + +class TestOpsSocketHook : public AdminSocketHook { + OSDService *service; + ObjectStore *store; +public: + TestOpsSocketHook(OSDService *s, ObjectStore *st) : service(s), store(st) {} + int call(std::string_view command, const cmdmap_t& cmdmap, + const bufferlist&, + Formatter *f, + std::ostream& errss, + bufferlist& out) override { + int r = 0; + stringstream outss; + try { + test_ops(service, store, command, cmdmap, outss); + out.append(outss); + } catch (const TOPNSPC::common::bad_cmd_get& e) { + errss << e.what(); + r = -EINVAL; + } + return r; + } + void test_ops(OSDService *service, ObjectStore *store, + std::string_view command, const cmdmap_t& cmdmap, ostream &ss); + +}; + +class OSD::C_Tick : public Context { + OSD *osd; + public: + explicit C_Tick(OSD *o) : osd(o) {} + void finish(int r) override { + osd->tick(); + } +}; + +class OSD::C_Tick_WithoutOSDLock : public Context { + OSD *osd; + public: + explicit C_Tick_WithoutOSDLock(OSD *o) : osd(o) {} + void finish(int r) override { + osd->tick_without_osd_lock(); + } +}; + +int OSD::enable_disable_fuse(bool stop) +{ +#ifdef HAVE_LIBFUSE + int r; + string mntpath = cct->_conf->osd_data + "/fuse"; + if (fuse_store && (stop || !cct->_conf->osd_objectstore_fuse)) { + dout(1) << __func__ << " disabling" << dendl; + fuse_store->stop(); + delete fuse_store; + fuse_store = NULL; + r = ::rmdir(mntpath.c_str()); + if (r < 0) { + r = -errno; + derr << __func__ << " failed to rmdir " << mntpath << ": " + << cpp_strerror(r) << dendl; + return r; + } + return 0; + } + if (!fuse_store && cct->_conf->osd_objectstore_fuse) { + dout(1) << __func__ << " enabling" << dendl; + r = ::mkdir(mntpath.c_str(), 0700); + if (r < 0) + r = -errno; + if (r < 0 && r != -EEXIST) { + derr << __func__ << " unable to create " << mntpath << ": " + << cpp_strerror(r) << dendl; + return r; + } + fuse_store = new FuseStore(store.get(), mntpath); + r = fuse_store->start(); + if (r < 0) { + derr << __func__ << " unable to start fuse: " << cpp_strerror(r) << dendl; + delete fuse_store; + fuse_store = NULL; + return r; + } + } +#endif // HAVE_LIBFUSE + return 0; +} + +size_t OSD::get_num_cache_shards() +{ + return cct->_conf.get_val<Option::size_t>("osd_num_cache_shards"); +} + +int OSD::get_num_op_shards() +{ + if (cct->_conf->osd_op_num_shards) + return cct->_conf->osd_op_num_shards; + if (store_is_rotational) + return cct->_conf->osd_op_num_shards_hdd; + else + return cct->_conf->osd_op_num_shards_ssd; +} + +int OSD::get_num_op_threads() +{ + if (cct->_conf->osd_op_num_threads_per_shard) + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard; + if (store_is_rotational) + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard_hdd; + else + return get_num_op_shards() * cct->_conf->osd_op_num_threads_per_shard_ssd; +} + +float OSD::get_osd_recovery_sleep() +{ + if (cct->_conf->osd_recovery_sleep) + return cct->_conf->osd_recovery_sleep; + if (!store_is_rotational && !journal_is_rotational) + return cct->_conf->osd_recovery_sleep_ssd; + else if (store_is_rotational && !journal_is_rotational) + return cct->_conf.get_val<double>("osd_recovery_sleep_hybrid"); + else + return cct->_conf->osd_recovery_sleep_hdd; +} + +float OSD::get_osd_delete_sleep() +{ + float osd_delete_sleep = cct->_conf.get_val<double>("osd_delete_sleep"); + if (osd_delete_sleep > 0) + return osd_delete_sleep; + if (!store_is_rotational && !journal_is_rotational) + return cct->_conf.get_val<double>("osd_delete_sleep_ssd"); + if (store_is_rotational && !journal_is_rotational) + return cct->_conf.get_val<double>("osd_delete_sleep_hybrid"); + return cct->_conf.get_val<double>("osd_delete_sleep_hdd"); +} + +int OSD::get_recovery_max_active() +{ + if (cct->_conf->osd_recovery_max_active) + return cct->_conf->osd_recovery_max_active; + if (store_is_rotational) + return cct->_conf->osd_recovery_max_active_hdd; + else + return cct->_conf->osd_recovery_max_active_ssd; +} + +float OSD::get_osd_snap_trim_sleep() +{ + float osd_snap_trim_sleep = cct->_conf.get_val<double>("osd_snap_trim_sleep"); + if (osd_snap_trim_sleep > 0) + return osd_snap_trim_sleep; + if (!store_is_rotational && !journal_is_rotational) + return cct->_conf.get_val<double>("osd_snap_trim_sleep_ssd"); + if (store_is_rotational && !journal_is_rotational) + return cct->_conf.get_val<double>("osd_snap_trim_sleep_hybrid"); + return cct->_conf.get_val<double>("osd_snap_trim_sleep_hdd"); +} + +int OSD::init() +{ + OSDMapRef osdmap; + CompatSet initial, diff; + std::lock_guard lock(osd_lock); + if (is_stopping()) + return 0; + tracing::osd::tracer.init("osd"); + tick_timer.init(); + tick_timer_without_osd_lock.init(); + service.recovery_request_timer.init(); + service.sleep_timer.init(); + + boot_finisher.start(); + + { + string val; + store->read_meta("require_osd_release", &val); + last_require_osd_release = ceph_release_from_name(val); + } + + // mount. + dout(2) << "init " << dev_path + << " (looks like " << (store_is_rotational ? "hdd" : "ssd") << ")" + << dendl; + dout(2) << "journal " << journal_path << dendl; + ceph_assert(store); // call pre_init() first! + + store->set_cache_shards(get_num_cache_shards()); + + int rotating_auth_attempts = 0; + auto rotating_auth_timeout = + g_conf().get_val<int64_t>("rotating_keys_bootstrap_timeout"); + + int r = store->mount(); + if (r < 0) { + derr << "OSD:init: unable to mount object store" << dendl; + return r; + } + journal_is_rotational = store->is_journal_rotational(); + dout(2) << "journal looks like " << (journal_is_rotational ? "hdd" : "ssd") + << dendl; + + enable_disable_fuse(false); + + dout(2) << "boot" << dendl; + + service.meta_ch = store->open_collection(coll_t::meta()); + if (!service.meta_ch) { + derr << "OSD:init: unable to open meta collection" + << dendl; + r = -ENOENT; + goto out; + } + // initialize the daily loadavg with current 15min loadavg + double loadavgs[3]; + if (getloadavg(loadavgs, 3) == 3) { + daily_loadavg = loadavgs[2]; + } else { + derr << "OSD::init() : couldn't read loadavgs\n" << dendl; + daily_loadavg = 1.0; + } + + // sanity check long object name handling + { + hobject_t l; + l.oid.name = string(cct->_conf->osd_max_object_name_len, 'n'); + l.set_key(string(cct->_conf->osd_max_object_name_len, 'k')); + l.nspace = string(cct->_conf->osd_max_object_namespace_len, 's'); + r = store->validate_hobject_key(l); + if (r < 0) { + derr << "backend (" << store->get_type() << ") is unable to support max " + << "object name[space] len" << dendl; + derr << " osd max object name len = " + << cct->_conf->osd_max_object_name_len << dendl; + derr << " osd max object namespace len = " + << cct->_conf->osd_max_object_namespace_len << dendl; + derr << cpp_strerror(r) << dendl; + if (cct->_conf->osd_check_max_object_name_len_on_startup) { + goto out; + } + derr << "osd_check_max_object_name_len_on_startup = false, starting anyway" + << dendl; + } else { + dout(20) << "configured osd_max_object_name[space]_len looks ok" << dendl; + } + } + + // read superblock + r = read_superblock(); + if (r < 0) { + derr << "OSD::init() : unable to read osd superblock" << dendl; + r = -EINVAL; + goto out; + } + + if (osd_compat.compare(superblock.compat_features) < 0) { + derr << "The disk uses features unsupported by the executable." << dendl; + derr << " ondisk features " << superblock.compat_features << dendl; + derr << " daemon features " << osd_compat << dendl; + + if (osd_compat.writeable(superblock.compat_features)) { + CompatSet diff = osd_compat.unsupported(superblock.compat_features); + derr << "it is still writeable, though. Missing features: " << diff << dendl; + r = -EOPNOTSUPP; + goto out; + } + else { + CompatSet diff = osd_compat.unsupported(superblock.compat_features); + derr << "Cannot write to disk! Missing features: " << diff << dendl; + r = -EOPNOTSUPP; + goto out; + } + } + + assert_warn(whoami == superblock.whoami); + if (whoami != superblock.whoami) { + derr << "OSD::init: superblock says osd" + << superblock.whoami << " but I am osd." << whoami << dendl; + r = -EINVAL; + goto out; + } + + startup_time = ceph::mono_clock::now(); + + // load up "current" osdmap + assert_warn(!get_osdmap()); + if (get_osdmap()) { + derr << "OSD::init: unable to read current osdmap" << dendl; + r = -EINVAL; + goto out; + } + osdmap = get_map(superblock.current_epoch); + set_osdmap(osdmap); + + // make sure we don't have legacy pgs deleting + { + vector<coll_t> ls; + int r = store->list_collections(ls); + ceph_assert(r >= 0); + for (auto c : ls) { + spg_t pgid; + if (c.is_pg(&pgid) && + !osdmap->have_pg_pool(pgid.pool())) { + ghobject_t oid = make_final_pool_info_oid(pgid.pool()); + if (!store->exists(service.meta_ch, oid)) { + derr << __func__ << " missing pg_pool_t for deleted pool " + << pgid.pool() << " for pg " << pgid + << "; please downgrade to luminous and allow " + << "pg deletion to complete before upgrading" << dendl; + ceph_abort(); + } + } + } + } + + initial = get_osd_initial_compat_set(); + diff = superblock.compat_features.unsupported(initial); + if (superblock.compat_features.merge(initial)) { + // Are we adding SNAPMAPPER2? + if (diff.incompat.contains(CEPH_OSD_FEATURE_INCOMPAT_SNAPMAPPER2)) { + dout(1) << __func__ << " upgrade snap_mapper (first start as octopus)" + << dendl; + auto ch = service.meta_ch; + auto hoid = make_snapmapper_oid(); + unsigned max = cct->_conf->osd_target_transaction_size; + r = SnapMapper::convert_legacy(cct, store.get(), ch, hoid, max); + if (r < 0) + goto out; + } + // We need to persist the new compat_set before we + // do anything else + dout(5) << "Upgrading superblock adding: " << diff << dendl; + + if (!superblock.cluster_osdmap_trim_lower_bound) { + superblock.cluster_osdmap_trim_lower_bound = superblock.oldest_map; + } + + ObjectStore::Transaction t; + write_superblock(t); + r = store->queue_transaction(service.meta_ch, std::move(t)); + if (r < 0) + goto out; + } + + // make sure snap mapper object exists + if (!store->exists(service.meta_ch, OSD::make_snapmapper_oid())) { + dout(10) << "init creating/touching snapmapper object" << dendl; + ObjectStore::Transaction t; + t.touch(coll_t::meta(), OSD::make_snapmapper_oid()); + r = store->queue_transaction(service.meta_ch, std::move(t)); + if (r < 0) + goto out; + } + if (!store->exists(service.meta_ch, OSD::make_purged_snaps_oid())) { + dout(10) << "init creating/touching purged_snaps object" << dendl; + ObjectStore::Transaction t; + t.touch(coll_t::meta(), OSD::make_purged_snaps_oid()); + r = store->queue_transaction(service.meta_ch, std::move(t)); + if (r < 0) + goto out; + } + + if (cct->_conf->osd_open_classes_on_start) { + int r = ClassHandler::get_instance().open_all_classes(); + if (r) + dout(1) << "warning: got an error loading one or more classes: " << cpp_strerror(r) << dendl; + } + + check_osdmap_features(); + + { + epoch_t bind_epoch = osdmap->get_epoch(); + service.set_epochs(NULL, NULL, &bind_epoch); + } + + clear_temp_objects(); + + // initialize osdmap references in sharded wq + for (auto& shard : shards) { + std::lock_guard l(shard->osdmap_lock); + shard->shard_osdmap = osdmap; + } + + // load up pgs (as they previously existed) + load_pgs(); + + dout(2) << "superblock: I am osd." << superblock.whoami << dendl; + + if (cct->_conf.get_val<bool>("osd_compact_on_start")) { + dout(2) << "compacting object store's omap" << dendl; + store->compact(); + } + + // prime osd stats + { + struct store_statfs_t stbuf; + osd_alert_list_t alerts; + int r = store->statfs(&stbuf, &alerts); + ceph_assert(r == 0); + service.set_statfs(stbuf, alerts); + } + + // client_messenger's auth_client will be set up by monc->init() later. + for (auto m : { cluster_messenger, + objecter_messenger, + hb_front_client_messenger, + hb_back_client_messenger, + hb_front_server_messenger, + hb_back_server_messenger } ) { + m->set_auth_client(monc); + } + for (auto m : { client_messenger, + cluster_messenger, + hb_front_server_messenger, + hb_back_server_messenger }) { + m->set_auth_server(monc); + } + monc->set_handle_authentication_dispatcher(this); + + monc->set_want_keys(CEPH_ENTITY_TYPE_MON | CEPH_ENTITY_TYPE_OSD + | CEPH_ENTITY_TYPE_MGR); + r = monc->init(); + if (r < 0) + goto out; + + mgrc.set_pgstats_cb([this]() { return collect_pg_stats(); }); + mgrc.set_perf_metric_query_cb( + [this](const ConfigPayload &config_payload) { + set_perf_queries(config_payload); + }, + [this] { + return get_perf_reports(); + }); + mgrc.init(); + + // tell monc about log_client so it will know about mon session resets + monc->set_log_client(&log_client); + update_log_config(); + + // i'm ready! + client_messenger->add_dispatcher_tail(&mgrc); + client_messenger->add_dispatcher_tail(this); + cluster_messenger->add_dispatcher_head(this); + + hb_front_client_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_back_client_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_front_server_messenger->add_dispatcher_head(&heartbeat_dispatcher); + hb_back_server_messenger->add_dispatcher_head(&heartbeat_dispatcher); + + objecter_messenger->add_dispatcher_head(service.objecter.get()); + + service.init(); + service.publish_map(osdmap); + service.publish_superblock(superblock); + + for (auto& shard : shards) { + // put PGs in a temporary set because we may modify pg_slots + // unordered_map below. + set<PGRef> pgs; + for (auto& i : shard->pg_slots) { + PGRef pg = i.second->pg; + if (!pg) { + continue; + } + pgs.insert(pg); + } + for (auto pg : pgs) { + std::scoped_lock l{*pg}; + set<pair<spg_t,epoch_t>> new_children; + set<pair<spg_t,epoch_t>> merge_pgs; + service.identify_splits_and_merges(pg->get_osdmap(), osdmap, pg->pg_id, + &new_children, &merge_pgs); + if (!new_children.empty()) { + for (auto shard : shards) { + shard->prime_splits(osdmap, &new_children); + } + assert(new_children.empty()); + } + if (!merge_pgs.empty()) { + for (auto shard : shards) { + shard->prime_merges(osdmap, &merge_pgs); + } + assert(merge_pgs.empty()); + } + } + } + + osd_op_tp.start(); + + // start the heartbeat + heartbeat_thread.create("osd_srv_heartbt"); + + // tick + tick_timer.add_event_after(get_tick_interval(), + new C_Tick(this)); + { + std::lock_guard l(tick_timer_lock); + tick_timer_without_osd_lock.add_event_after(get_tick_interval(), + new C_Tick_WithoutOSDLock(this)); + } + + osd_lock.unlock(); + + r = monc->authenticate(); + if (r < 0) { + derr << __func__ << " authentication failed: " << cpp_strerror(r) + << dendl; + exit(1); + } + + while (monc->wait_auth_rotating(rotating_auth_timeout) < 0) { + derr << "unable to obtain rotating service keys; retrying" << dendl; + ++rotating_auth_attempts; + if (rotating_auth_attempts > g_conf()->max_rotating_auth_attempts) { + derr << __func__ << " wait_auth_rotating timed out" + <<" -- maybe I have a clock skew against the monitors?" << dendl; + exit(1); + } + } + + r = update_crush_device_class(); + if (r < 0) { + derr << __func__ << " unable to update_crush_device_class: " + << cpp_strerror(r) << dendl; + exit(1); + } + + r = update_crush_location(); + if (r < 0) { + derr << __func__ << " unable to update_crush_location: " + << cpp_strerror(r) << dendl; + exit(1); + } + + osd_lock.lock(); + if (is_stopping()) + return 0; + + // start objecter *after* we have authenticated, so that we don't ignore + // the OSDMaps it requests. + service.final_init(); + + check_config(); + + dout(10) << "ensuring pgs have consumed prior maps" << dendl; + consume_map(); + + dout(0) << "done with init, starting boot process" << dendl; + + // subscribe to any pg creations + monc->sub_want("osd_pg_creates", last_pg_create_epoch, 0); + + // MgrClient needs this (it doesn't have MonClient reference itself) + monc->sub_want("mgrmap", 0, 0); + + // we don't need to ask for an osdmap here; objecter will + //monc->sub_want("osdmap", osdmap->get_epoch(), CEPH_SUBSCRIBE_ONETIME); + + monc->renew_subs(); + + start_boot(); + + // Override a few options if mclock scheduler is enabled. + maybe_override_sleep_options_for_qos(); + maybe_override_cost_for_qos(); + maybe_override_options_for_qos(); + maybe_override_max_osd_capacity_for_qos(); + + return 0; + +out: + enable_disable_fuse(true); + store->umount(); + store.reset(); + return r; +} + +void OSD::final_init() +{ + AdminSocket *admin_socket = cct->get_admin_socket(); + asok_hook = new OSDSocketHook(this); + int r = admin_socket->register_command("status", asok_hook, + "high-level status of OSD"); + ceph_assert(r == 0); + r = admin_socket->register_command("flush_journal", + asok_hook, + "flush the journal to permanent store"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_ops_in_flight " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the ops currently in flight"); + ceph_assert(r == 0); + r = admin_socket->register_command("ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the ops currently in flight"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_blocked_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the blocked ops currently in flight"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_blocked_ops_count " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show the count of blocked ops currently in flight"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_historic_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show recent ops"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_historic_slow_ops " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show slowest recent ops"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_historic_ops_by_duration " \ + "name=filterstr,type=CephString,n=N,req=false", + asok_hook, + "show slowest recent ops, sorted by duration"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_op_pq_state", + asok_hook, + "dump op queue state"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_blocklist", + asok_hook, + "dump blocklisted clients and times"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_watchers", + asok_hook, + "show clients which have active watches," + " and on which objects"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_recovery_reservations", + asok_hook, + "show recovery reservations"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_scrub_reservations", + asok_hook, + "show scrub reservations"); + ceph_assert(r == 0); + r = admin_socket->register_command("get_latest_osdmap", + asok_hook, + "force osd to update the latest map from " + "the mon"); + ceph_assert(r == 0); + + r = admin_socket->register_command("set_heap_property " \ + "name=property,type=CephString " \ + "name=value,type=CephInt", + asok_hook, + "update malloc extension heap property"); + ceph_assert(r == 0); + + r = admin_socket->register_command("get_heap_property " \ + "name=property,type=CephString", + asok_hook, + "get malloc extension heap property"); + ceph_assert(r == 0); + + r = admin_socket->register_command("dump_objectstore_kv_stats", + asok_hook, + "print statistics of kvdb which used by bluestore"); + ceph_assert(r == 0); + + r = admin_socket->register_command("dump_scrubs", + asok_hook, + "print scheduled scrubs"); + ceph_assert(r == 0); + + r = admin_socket->register_command("calc_objectstore_db_histogram", + asok_hook, + "Generate key value histogram of kvdb(rocksdb) which used by bluestore"); + ceph_assert(r == 0); + + r = admin_socket->register_command("flush_store_cache", + asok_hook, + "Flush bluestore internal cache"); + ceph_assert(r == 0); + r = admin_socket->register_command("rotate-stored-key", + asok_hook, + "Update the stored osd_key"); + ceph_assert(r == 0); + r = admin_socket->register_command("dump_pgstate_history", + asok_hook, + "show recent state history"); + ceph_assert(r == 0); + + r = admin_socket->register_command("compact", + asok_hook, + "Commpact object store's omap." + " WARNING: Compaction probably slows your requests"); + ceph_assert(r == 0); + + r = admin_socket->register_command("get_mapped_pools", + asok_hook, + "dump pools whose PG(s) are mapped to this OSD."); + + ceph_assert(r == 0); + + r = admin_socket->register_command("smart name=devid,type=CephString,req=false", + asok_hook, + "probe OSD devices for SMART data."); + + ceph_assert(r == 0); + + r = admin_socket->register_command("list_devices", + asok_hook, + "list OSD devices."); + r = admin_socket->register_command("send_beacon", + asok_hook, + "send OSD beacon to mon immediately"); + + r = admin_socket->register_command( + "dump_osd_network name=value,type=CephInt,req=false", asok_hook, + "Dump osd heartbeat network ping times"); + ceph_assert(r == 0); + + r = admin_socket->register_command( + "dump_pool_statfs name=poolid,type=CephInt,req=true", asok_hook, + "Dump store's statistics for the given pool"); + ceph_assert(r == 0); + + test_ops_hook = new TestOpsSocketHook(&(this->service), this->store.get()); + // Note: pools are CephString instead of CephPoolname because + // these commands traditionally support both pool names and numbers + r = admin_socket->register_command( + "setomapval " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=key,type=CephString "\ + "name=val,type=CephString", + test_ops_hook, + "set omap key"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "rmomapkey " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=key,type=CephString", + test_ops_hook, + "remove omap key"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "setomapheader " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=header,type=CephString", + test_ops_hook, + "set omap header"); + ceph_assert(r == 0); + + r = admin_socket->register_command( + "getomap " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname", + test_ops_hook, + "output entire object map"); + ceph_assert(r == 0); + + r = admin_socket->register_command( + "truncobj " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=len,type=CephInt", + test_ops_hook, + "truncate object to length"); + ceph_assert(r == 0); + + r = admin_socket->register_command( + "injectdataerr " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=shardid,type=CephInt,req=false,range=0|255", + test_ops_hook, + "inject data error to an object"); + ceph_assert(r == 0); + + r = admin_socket->register_command( + "injectmdataerr " \ + "name=pool,type=CephString " \ + "name=objname,type=CephObjectname " \ + "name=shardid,type=CephInt,req=false,range=0|255", + test_ops_hook, + "inject metadata error to an object"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "set_recovery_delay " \ + "name=utime,type=CephInt,req=false", + test_ops_hook, + "Delay osd recovery by specified seconds"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "injectfull " \ + "name=type,type=CephString,req=false " \ + "name=count,type=CephInt,req=false ", + test_ops_hook, + "Inject a full disk (optional count times)"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "bench " \ + "name=count,type=CephInt,req=false " \ + "name=size,type=CephInt,req=false " \ + "name=object_size,type=CephInt,req=false " \ + "name=object_num,type=CephInt,req=false ", + asok_hook, + "OSD benchmark: write <count> <size>-byte objects(with <obj_size> <obj_num>), " \ + "(default count=1G default size=4MB). Results in log."); + ceph_assert(r == 0); + r = admin_socket->register_command( + "cluster_log " \ + "name=level,type=CephChoices,strings=error,warning,info,debug " \ + "name=message,type=CephString,n=N", + asok_hook, + "log a message to the cluster log"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "flush_pg_stats", + asok_hook, + "flush pg stats"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "heap " \ + "name=heapcmd,type=CephChoices,strings=" \ + "dump|start_profiler|stop_profiler|release|get_release_rate|set_release_rate|stats " \ + "name=value,type=CephString,req=false", + asok_hook, + "show heap usage info (available only if compiled with tcmalloc)"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "debug dump_missing " \ + "name=filename,type=CephFilepath", + asok_hook, + "dump missing objects to a named file"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "debug kick_recovery_wq " \ + "name=delay,type=CephInt,range=0", + asok_hook, + "set osd_recovery_delay_start to <val>"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "cpu_profiler " \ + "name=arg,type=CephChoices,strings=status|flush", + asok_hook, + "run cpu profiling on daemon"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "dump_pg_recovery_stats", + asok_hook, + "dump pg recovery statistics"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "reset_pg_recovery_stats", + asok_hook, + "reset pg recovery statistics"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "cache drop", + asok_hook, + "Drop all OSD caches"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "cache status", + asok_hook, + "Get OSD caches statistics"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "scrub_purged_snaps", + asok_hook, + "Scrub purged_snaps vs snapmapper index"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "scrubdebug " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=block|unblock|set|unset " \ + "name=value,type=CephString,req=false", + asok_hook, + "debug the scrubber"); + ceph_assert(r == 0); + + // -- pg commands -- + // old form: ceph pg <pgid> command ... + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=query", + asok_hook, + ""); + ceph_assert(r == 0); + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=log", + asok_hook, + ""); + ceph_assert(r == 0); + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=mark_unfound_lost " \ + "name=mulcmd,type=CephChoices,strings=revert|delete", + asok_hook, + ""); + ceph_assert(r == 0); + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=list_unfound " \ + "name=offset,type=CephString,req=false", + asok_hook, + ""); + ceph_assert(r == 0); + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=scrub " \ + "name=time,type=CephInt,req=false", + asok_hook, + ""); + ceph_assert(r == 0); + r = admin_socket->register_command( + "pg " \ + "name=pgid,type=CephPgid " \ + "name=cmd,type=CephChoices,strings=deep_scrub " \ + "name=time,type=CephInt,req=false", + asok_hook, + ""); + ceph_assert(r == 0); + // new form: tell <pgid> <cmd> for both cli and rest + r = admin_socket->register_command( + "query", + asok_hook, + "show details of a specific pg"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "log", + asok_hook, + "dump pg_log of a specific pg"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "mark_unfound_lost " \ + "name=pgid,type=CephPgid,req=false " \ + "name=mulcmd,type=CephChoices,strings=revert|delete", + asok_hook, + "mark all unfound objects in this pg as lost, either removing or reverting to a prior version if one is available"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "list_unfound " \ + "name=pgid,type=CephPgid,req=false " \ + "name=offset,type=CephString,req=false", + asok_hook, + "list unfound objects on this pg, perhaps starting at an offset given in JSON"); + ceph_assert(r == 0); + r = admin_socket->register_command( + "scrub " \ + "name=pgid,type=CephPgid,req=false " \ + "name=time,type=CephInt,req=false", + asok_hook, + "Trigger a scheduled scrub "); + ceph_assert(r == 0); + r = admin_socket->register_command( + "deep_scrub " \ + "name=pgid,type=CephPgid,req=false " \ + "name=time,type=CephInt,req=false", + asok_hook, + "Trigger a scheduled deep scrub "); + ceph_assert(r == 0); +} + +PerfCounters* OSD::create_logger() +{ + PerfCounters* logger = build_osd_logger(cct); + cct->get_perfcounters_collection()->add(logger); + return logger; +} + +PerfCounters* OSD::create_recoverystate_perf() +{ + PerfCounters* recoverystate_perf = build_recoverystate_perf(cct); + cct->get_perfcounters_collection()->add(recoverystate_perf); + return recoverystate_perf; +} + +int OSD::shutdown() +{ + // vstart overwrites osd_fast_shutdown value in the conf file -> force the value here! + //cct->_conf->osd_fast_shutdown = true; + + dout(0) << "Fast Shutdown: - cct->_conf->osd_fast_shutdown = " + << cct->_conf->osd_fast_shutdown + << ", null-fm = " << store->has_null_manager() << dendl; + + utime_t start_time_func = ceph_clock_now(); + + if (cct->_conf->osd_fast_shutdown) { + derr << "*** Immediate shutdown (osd_fast_shutdown=true) ***" << dendl; + if (cct->_conf->osd_fast_shutdown_notify_mon) + service.prepare_to_stop(); + + // There is no state we need to keep wehn running in NULL-FM moode + if (!store->has_null_manager()) { + cct->_log->flush(); + _exit(0); + } + } else if (!service.prepare_to_stop()) { + return 0; // already shutting down + } + + osd_lock.lock(); + if (is_stopping()) { + osd_lock.unlock(); + return 0; + } + + if (!cct->_conf->osd_fast_shutdown) { + dout(0) << "shutdown" << dendl; + } + + // don't accept new task for this OSD + set_state(STATE_STOPPING); + + // Disabled debugging during fast-shutdown + if (!cct->_conf->osd_fast_shutdown && cct->_conf.get_val<bool>("osd_debug_shutdown")) { + cct->_conf.set_val("debug_osd", "100"); + cct->_conf.set_val("debug_journal", "100"); + cct->_conf.set_val("debug_filestore", "100"); + cct->_conf.set_val("debug_bluestore", "100"); + cct->_conf.set_val("debug_ms", "100"); + cct->_conf.apply_changes(nullptr); + } + + // stop MgrClient earlier as it's more like an internal consumer of OSD + // + // should occur before unmounting the database in fast-shutdown to avoid + // a race condition (see https://tracker.ceph.com/issues/56101) + mgrc.shutdown(); + + if (cct->_conf->osd_fast_shutdown) { + // first, stop new task from being taken from op_shardedwq + // and clear all pending tasks + op_shardedwq.stop_for_fast_shutdown(); + + utime_t start_time_timer = ceph_clock_now(); + tick_timer.shutdown(); + { + std::lock_guard l(tick_timer_lock); + tick_timer_without_osd_lock.shutdown(); + } + + osd_lock.unlock(); + utime_t start_time_osd_drain = ceph_clock_now(); + + // then, wait on osd_op_tp to drain (TBD: should probably add a timeout) + osd_op_tp.drain(); + osd_op_tp.stop(); + + utime_t start_time_umount = ceph_clock_now(); + store->prepare_for_fast_shutdown(); + std::lock_guard lock(osd_lock); + // TBD: assert in allocator that nothing is being add + store->umount(); + + utime_t end_time = ceph_clock_now(); + if (cct->_conf->osd_fast_shutdown_timeout) { + ceph_assert(end_time - start_time_func < cct->_conf->osd_fast_shutdown_timeout); + } + dout(0) <<"Fast Shutdown duration total :" << end_time - start_time_func << " seconds" << dendl; + dout(0) <<"Fast Shutdown duration osd_drain :" << start_time_umount - start_time_osd_drain << " seconds" << dendl; + dout(0) <<"Fast Shutdown duration umount :" << end_time - start_time_umount << " seconds" << dendl; + dout(0) <<"Fast Shutdown duration timer :" << start_time_osd_drain - start_time_timer << " seconds" << dendl; + cct->_log->flush(); + + // now it is safe to exit + _exit(0); + } + + service.start_shutdown(); + + // stop sending work to pgs. this just prevents any new work in _process + // from racing with on_shutdown and potentially entering the pg after. + op_shardedwq.drain(); + + // Shutdown PGs + { + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto pg : pgs) { + pg->shutdown(); + } + } + + // drain op queue again (in case PGs requeued something) + op_shardedwq.drain(); + + // unregister commands + cct->get_admin_socket()->unregister_commands(asok_hook); + delete asok_hook; + asok_hook = NULL; + + cct->get_admin_socket()->unregister_commands(test_ops_hook); + delete test_ops_hook; + test_ops_hook = NULL; + + osd_lock.unlock(); + + { + std::lock_guard l{heartbeat_lock}; + heartbeat_stop = true; + heartbeat_cond.notify_all(); + heartbeat_peers.clear(); + } + heartbeat_thread.join(); + + hb_back_server_messenger->mark_down_all(); + hb_front_server_messenger->mark_down_all(); + hb_front_client_messenger->mark_down_all(); + hb_back_client_messenger->mark_down_all(); + + osd_op_tp.drain(); + osd_op_tp.stop(); + dout(10) << "op sharded tp stopped" << dendl; + + dout(10) << "stopping agent" << dendl; + service.agent_stop(); + + boot_finisher.wait_for_empty(); + + osd_lock.lock(); + + boot_finisher.stop(); + reset_heartbeat_peers(true); + + tick_timer.shutdown(); + + { + std::lock_guard l(tick_timer_lock); + tick_timer_without_osd_lock.shutdown(); + } + + // note unmount epoch + dout(10) << "noting clean unmount in epoch " << get_osdmap_epoch() << dendl; + superblock.mounted = service.get_boot_epoch(); + superblock.clean_thru = get_osdmap_epoch(); + ObjectStore::Transaction t; + write_superblock(t); + int r = store->queue_transaction(service.meta_ch, std::move(t)); + if (r) { + derr << "OSD::shutdown: error writing superblock: " + << cpp_strerror(r) << dendl; + } + + + service.shutdown_reserver(); + + // Remove PGs +#ifdef PG_DEBUG_REFS + service.dump_live_pgids(); +#endif + while (true) { + vector<PGRef> pgs; + _get_pgs(&pgs, true); + if (pgs.empty()) { + break; + } + for (auto& pg : pgs) { + if (pg->is_deleted()) { + continue; + } + dout(20) << " kicking pg " << pg << dendl; + pg->lock(); + if (pg->get_num_ref() != 1) { + derr << "pgid " << pg->get_pgid() << " has ref count of " + << pg->get_num_ref() << dendl; +#ifdef PG_DEBUG_REFS + pg->dump_live_ids(); +#endif + if (cct->_conf->osd_shutdown_pgref_assert) { + ceph_abort(); + } + } + pg->ch.reset(); + pg->unlock(); + } + } +#ifdef PG_DEBUG_REFS + service.dump_live_pgids(); +#endif + + osd_lock.unlock(); + cct->_conf.remove_observer(this); + osd_lock.lock(); + + service.meta_ch.reset(); + + dout(10) << "syncing store" << dendl; + enable_disable_fuse(true); + + if (cct->_conf->osd_journal_flush_on_shutdown) { + dout(10) << "flushing journal" << dendl; + store->flush_journal(); + } + + monc->shutdown(); + osd_lock.unlock(); + { + std::unique_lock l{map_lock}; + set_osdmap(OSDMapRef()); + } + for (auto s : shards) { + std::lock_guard l(s->osdmap_lock); + s->shard_osdmap = OSDMapRef(); + } + service.shutdown(); + + std::lock_guard lock(osd_lock); + store->umount(); + store.reset(); + dout(10) << "Store synced" << dendl; + + op_tracker.on_shutdown(); + + ClassHandler::get_instance().shutdown(); + client_messenger->shutdown(); + cluster_messenger->shutdown(); + hb_front_client_messenger->shutdown(); + hb_back_client_messenger->shutdown(); + objecter_messenger->shutdown(); + hb_front_server_messenger->shutdown(); + hb_back_server_messenger->shutdown(); + + utime_t duration = ceph_clock_now() - start_time_func; + dout(0) <<"Slow Shutdown duration:" << duration << " seconds" << dendl; + + + return r; +} + +int OSD::mon_cmd_maybe_osd_create(string &cmd) +{ + bool created = false; + while (true) { + dout(10) << __func__ << " cmd: " << cmd << dendl; + vector<string> vcmd{cmd}; + bufferlist inbl; + C_SaferCond w; + string outs; + monc->start_mon_command(vcmd, inbl, NULL, &outs, &w); + int r = w.wait(); + if (r < 0) { + if (r == -ENOENT && !created) { + string newcmd = "{\"prefix\": \"osd create\", \"id\": " + stringify(whoami) + + ", \"uuid\": \"" + stringify(superblock.osd_fsid) + "\"}"; + vector<string> vnewcmd{newcmd}; + bufferlist inbl; + C_SaferCond w; + string outs; + monc->start_mon_command(vnewcmd, inbl, NULL, &outs, &w); + int r = w.wait(); + if (r < 0) { + derr << __func__ << " fail: osd does not exist and created failed: " + << cpp_strerror(r) << dendl; + return r; + } + created = true; + continue; + } + derr << __func__ << " fail: '" << outs << "': " << cpp_strerror(r) << dendl; + return r; + } + break; + } + + return 0; +} + +int OSD::update_crush_location() +{ + if (!cct->_conf->osd_crush_update_on_start) { + dout(10) << __func__ << " osd_crush_update_on_start = false" << dendl; + return 0; + } + + char weight[32]; + if (cct->_conf->osd_crush_initial_weight >= 0) { + snprintf(weight, sizeof(weight), "%.4lf", cct->_conf->osd_crush_initial_weight); + } else { + struct store_statfs_t st; + osd_alert_list_t alerts; + int r = store->statfs(&st, &alerts); + if (r < 0) { + derr << "statfs: " << cpp_strerror(r) << dendl; + return r; + } + snprintf(weight, sizeof(weight), "%.4lf", + std::max(.00001, + double(st.total) / + double(1ull << 40 /* TB */))); + } + + dout(10) << __func__ << " crush location is " << cct->crush_location << dendl; + + string cmd = + string("{\"prefix\": \"osd crush create-or-move\", ") + + string("\"id\": ") + stringify(whoami) + ", " + + string("\"weight\":") + weight + ", " + + string("\"args\": [") + stringify(cct->crush_location) + "]}"; + return mon_cmd_maybe_osd_create(cmd); +} + +int OSD::update_crush_device_class() +{ + if (!cct->_conf->osd_class_update_on_start) { + dout(10) << __func__ << " osd_class_update_on_start = false" << dendl; + return 0; + } + + string device_class; + int r = store->read_meta("crush_device_class", &device_class); + if (r < 0 || device_class.empty()) { + device_class = store->get_default_device_class(); + } + + if (device_class.empty()) { + dout(20) << __func__ << " no device class stored locally" << dendl; + return 0; + } + + string cmd = + string("{\"prefix\": \"osd crush set-device-class\", ") + + string("\"class\": \"") + device_class + string("\", ") + + string("\"ids\": [\"") + stringify(whoami) + string("\"]}"); + + r = mon_cmd_maybe_osd_create(cmd); + if (r == -EBUSY) { + // good, already bound to a device-class + return 0; + } else { + return r; + } +} + +void OSD::write_superblock(ObjectStore::Transaction& t) +{ + dout(10) << "write_superblock " << superblock << dendl; + + //hack: at minimum it's using the baseline feature set + if (!superblock.compat_features.incompat.contains(CEPH_OSD_FEATURE_INCOMPAT_BASE)) + superblock.compat_features.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_BASE); + + bufferlist bl; + encode(superblock, bl); + t.write(coll_t::meta(), OSD_SUPERBLOCK_GOBJECT, 0, bl.length(), bl); +} + +int OSD::read_superblock() +{ + bufferlist bl; + int r = store->read(service.meta_ch, OSD_SUPERBLOCK_GOBJECT, 0, 0, bl); + if (r < 0) + return r; + + auto p = bl.cbegin(); + decode(superblock, p); + + dout(10) << "read_superblock " << superblock << dendl; + + return 0; +} + +void OSD::clear_temp_objects() +{ + dout(10) << __func__ << dendl; + vector<coll_t> ls; + store->list_collections(ls); + for (vector<coll_t>::iterator p = ls.begin(); p != ls.end(); ++p) { + spg_t pgid; + if (!p->is_pg(&pgid)) + continue; + + // list temp objects + dout(20) << " clearing temps in " << *p << " pgid " << pgid << dendl; + + vector<ghobject_t> temps; + ghobject_t next; + while (1) { + vector<ghobject_t> objects; + auto ch = store->open_collection(*p); + ceph_assert(ch); + store->collection_list(ch, next, ghobject_t::get_max(), + store->get_ideal_list_max(), + &objects, &next); + if (objects.empty()) + break; + vector<ghobject_t>::iterator q; + for (q = objects.begin(); q != objects.end(); ++q) { + // Hammer set pool for temps to -1, so check for clean-up + if (q->hobj.is_temp() || (q->hobj.pool == -1)) { + temps.push_back(*q); + } else { + break; + } + } + // If we saw a non-temp object and hit the break above we can + // break out of the while loop too. + if (q != objects.end()) + break; + } + if (!temps.empty()) { + ObjectStore::Transaction t; + int removed = 0; + for (vector<ghobject_t>::iterator q = temps.begin(); q != temps.end(); ++q) { + dout(20) << " removing " << *p << " object " << *q << dendl; + t.remove(*p, *q); + if (++removed > cct->_conf->osd_target_transaction_size) { + store->queue_transaction(service.meta_ch, std::move(t)); + t = ObjectStore::Transaction(); + removed = 0; + } + } + if (removed) { + store->queue_transaction(service.meta_ch, std::move(t)); + } + } + } +} + +void OSD::recursive_remove_collection(CephContext* cct, + ObjectStore *store, spg_t pgid, + coll_t tmp) +{ + OSDriver driver( + store, + coll_t(), + make_snapmapper_oid()); + + ObjectStore::CollectionHandle ch = store->open_collection(tmp); + ObjectStore::Transaction t; + SnapMapper mapper(cct, &driver, 0, 0, 0, pgid.shard); + + ghobject_t next; + int max = cct->_conf->osd_target_transaction_size; + vector<ghobject_t> objects; + objects.reserve(max); + while (true) { + objects.clear(); + store->collection_list(ch, next, ghobject_t::get_max(), + max, &objects, &next); + generic_dout(10) << __func__ << " " << objects << dendl; + if (objects.empty()) + break; + for (auto& p: objects) { + OSDriver::OSTransaction _t(driver.get_transaction(&t)); + int r = mapper.remove_oid(p.hobj, &_t); + if (r != 0 && r != -ENOENT) + ceph_abort(); + t.remove(tmp, p); + } + int r = store->queue_transaction(ch, std::move(t)); + ceph_assert(r == 0); + t = ObjectStore::Transaction(); + } + t.remove_collection(tmp); + int r = store->queue_transaction(ch, std::move(t)); + ceph_assert(r == 0); + + C_SaferCond waiter; + if (!ch->flush_commit(&waiter)) { + waiter.wait(); + } +} + + +// ====================================================== +// PG's + +PG* OSD::_make_pg( + OSDMapRef createmap, + spg_t pgid) +{ + dout(10) << __func__ << " " << pgid << dendl; + pg_pool_t pi; + map<string,string> ec_profile; + string name; + if (createmap->have_pg_pool(pgid.pool())) { + pi = *createmap->get_pg_pool(pgid.pool()); + name = createmap->get_pool_name(pgid.pool()); + if (pi.is_erasure()) { + ec_profile = createmap->get_erasure_code_profile(pi.erasure_code_profile); + } + } else { + // pool was deleted; grab final pg_pool_t off disk. + ghobject_t oid = make_final_pool_info_oid(pgid.pool()); + bufferlist bl; + int r = store->read(service.meta_ch, oid, 0, 0, bl); + if (r < 0) { + derr << __func__ << " missing pool " << pgid.pool() << " tombstone" + << dendl; + return nullptr; + } + ceph_assert(r >= 0); + auto p = bl.cbegin(); + decode(pi, p); + decode(name, p); + if (p.end()) { // dev release v13.0.2 did not include ec_profile + derr << __func__ << " missing ec_profile from pool " << pgid.pool() + << " tombstone" << dendl; + return nullptr; + } + decode(ec_profile, p); + } + PGPool pool(createmap, pgid.pool(), pi, name); + PG *pg; + if (pi.type == pg_pool_t::TYPE_REPLICATED || + pi.type == pg_pool_t::TYPE_ERASURE) + pg = new PrimaryLogPG(&service, createmap, pool, ec_profile, pgid); + else + ceph_abort(); + return pg; +} + +void OSD::_get_pgs(vector<PGRef> *v, bool clear_too) +{ + v->clear(); + v->reserve(get_num_pgs()); + for (auto& s : shards) { + std::lock_guard l(s->shard_lock); + for (auto& j : s->pg_slots) { + if (j.second->pg && + !j.second->pg->is_deleted()) { + v->push_back(j.second->pg); + if (clear_too) { + s->_detach_pg(j.second.get()); + } + } + } + } +} + +void OSD::_get_pgids(vector<spg_t> *v) +{ + v->clear(); + v->reserve(get_num_pgs()); + for (auto& s : shards) { + std::lock_guard l(s->shard_lock); + for (auto& j : s->pg_slots) { + if (j.second->pg && + !j.second->pg->is_deleted()) { + v->push_back(j.first); + } + } + } +} + +void OSD::register_pg(PGRef pg) +{ + spg_t pgid = pg->get_pgid(); + uint32_t shard_index = pgid.hash_to_shard(num_shards); + auto sdata = shards[shard_index]; + std::lock_guard l(sdata->shard_lock); + auto r = sdata->pg_slots.emplace(pgid, make_unique<OSDShardPGSlot>()); + ceph_assert(r.second); + auto *slot = r.first->second.get(); + dout(20) << __func__ << " " << pgid << " " << pg << dendl; + sdata->_attach_pg(slot, pg.get()); +} + +bool OSD::try_finish_pg_delete(PG *pg, unsigned old_pg_num) +{ + auto sdata = pg->osd_shard; + ceph_assert(sdata); + { + std::lock_guard l(sdata->shard_lock); + auto p = sdata->pg_slots.find(pg->pg_id); + if (p == sdata->pg_slots.end() || + !p->second->pg) { + dout(20) << __func__ << " " << pg->pg_id << " not found" << dendl; + return false; + } + if (p->second->waiting_for_merge_epoch) { + dout(20) << __func__ << " " << pg->pg_id << " waiting for merge" << dendl; + return false; + } + dout(20) << __func__ << " " << pg->pg_id << " " << pg << dendl; + sdata->_detach_pg(p->second.get()); + } + + for (auto shard : shards) { + shard->unprime_split_children(pg->pg_id, old_pg_num); + } + + // update pg count now since we might not get an osdmap any time soon. + if (pg->is_primary()) + service.logger->dec(l_osd_pg_primary); + else if (pg->is_nonprimary()) + service.logger->dec(l_osd_pg_replica); // misnomver + else + service.logger->dec(l_osd_pg_stray); + + return true; +} + +PGRef OSD::_lookup_pg(spg_t pgid) +{ + uint32_t shard_index = pgid.hash_to_shard(num_shards); + auto sdata = shards[shard_index]; + std::lock_guard l(sdata->shard_lock); + auto p = sdata->pg_slots.find(pgid); + if (p == sdata->pg_slots.end()) { + return nullptr; + } + return p->second->pg; +} + +PGRef OSD::_lookup_lock_pg(spg_t pgid) +{ + PGRef pg = _lookup_pg(pgid); + if (!pg) { + return nullptr; + } + pg->lock(); + if (!pg->is_deleted()) { + return pg; + } + pg->unlock(); + return nullptr; +} + +PGRef OSD::lookup_lock_pg(spg_t pgid) +{ + return _lookup_lock_pg(pgid); +} + +void OSD::load_pgs() +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + dout(0) << "load_pgs" << dendl; + + { + auto pghist = make_pg_num_history_oid(); + bufferlist bl; + int r = store->read(service.meta_ch, pghist, 0, 0, bl, 0); + if (r >= 0 && bl.length() > 0) { + auto p = bl.cbegin(); + decode(pg_num_history, p); + } + dout(20) << __func__ << " pg_num_history " << pg_num_history << dendl; + } + + vector<coll_t> ls; + int r = store->list_collections(ls); + if (r < 0) { + derr << "failed to list pgs: " << cpp_strerror(-r) << dendl; + } + + int num = 0; + for (vector<coll_t>::iterator it = ls.begin(); + it != ls.end(); + ++it) { + spg_t pgid; + if (it->is_temp(&pgid) || + (it->is_pg(&pgid) && PG::_has_removal_flag(store.get(), pgid))) { + dout(10) << "load_pgs " << *it + << " removing, legacy or flagged for removal pg" << dendl; + recursive_remove_collection(cct, store.get(), pgid, *it); + continue; + } + + if (!it->is_pg(&pgid)) { + dout(10) << "load_pgs ignoring unrecognized " << *it << dendl; + continue; + } + + dout(10) << "pgid " << pgid << " coll " << coll_t(pgid) << dendl; + epoch_t map_epoch = 0; + int r = PG::peek_map_epoch(store.get(), pgid, &map_epoch); + if (r < 0) { + derr << __func__ << " unable to peek at " << pgid << " metadata, skipping" + << dendl; + continue; + } + + PGRef pg; + if (map_epoch > 0) { + OSDMapRef pgosdmap = service.try_get_map(map_epoch); + if (!pgosdmap) { + if (!get_osdmap()->have_pg_pool(pgid.pool())) { + derr << __func__ << ": could not find map for epoch " << map_epoch + << " on pg " << pgid << ", but the pool is not present in the " + << "current map, so this is probably a result of bug 10617. " + << "Skipping the pg for now, you can use ceph-objectstore-tool " + << "to clean it up later." << dendl; + continue; + } else { + derr << __func__ << ": have pgid " << pgid << " at epoch " + << map_epoch << ", but missing map. Crashing." + << dendl; + ceph_abort_msg("Missing map in load_pgs"); + } + } + pg = _make_pg(pgosdmap, pgid); + } else { + pg = _make_pg(get_osdmap(), pgid); + } + if (!pg) { + recursive_remove_collection(cct, store.get(), pgid, *it); + continue; + } + + // there can be no waiters here, so we don't call _wake_pg_slot + + pg->lock(); + pg->ch = store->open_collection(pg->coll); + + // read pg state, log + pg->read_state(store.get()); + + if (pg->dne()) { + dout(10) << "load_pgs " << *it << " deleting dne" << dendl; + pg->ch = nullptr; + pg->unlock(); + recursive_remove_collection(cct, store.get(), pgid, *it); + continue; + } + { + uint32_t shard_index = pgid.hash_to_shard(shards.size()); + assert(NULL != shards[shard_index]); + store->set_collection_commit_queue(pg->coll, &(shards[shard_index]->context_queue)); + } + + dout(10) << __func__ << " loaded " << *pg << dendl; + pg->unlock(); + + register_pg(pg); + ++num; + } + dout(0) << __func__ << " opened " << num << " pgs" << dendl; +} + + +PGRef OSD::handle_pg_create_info(const OSDMapRef& osdmap, + const PGCreateInfo *info) +{ + spg_t pgid = info->pgid; + + if (maybe_wait_for_max_pg(osdmap, pgid, info->by_mon)) { + dout(10) << __func__ << " hit max pg, dropping" << dendl; + return nullptr; + } + + OSDMapRef startmap = get_map(info->epoch); + + if (info->by_mon) { + int64_t pool_id = pgid.pgid.pool(); + const pg_pool_t *pool = osdmap->get_pg_pool(pool_id); + if (!pool) { + dout(10) << __func__ << " ignoring " << pgid << ", pool dne" << dendl; + return nullptr; + } + if (osdmap->require_osd_release >= ceph_release_t::nautilus && + !pool->has_flag(pg_pool_t::FLAG_CREATING)) { + // this ensures we do not process old creating messages after the + // pool's initial pgs have been created (and pg are subsequently + // allowed to split or merge). + dout(20) << __func__ << " dropping " << pgid + << "create, pool does not have CREATING flag set" << dendl; + return nullptr; + } + } + + int up_primary, acting_primary; + vector<int> up, acting; + startmap->pg_to_up_acting_osds( + pgid.pgid, &up, &up_primary, &acting, &acting_primary); + + const pg_pool_t* pp = startmap->get_pg_pool(pgid.pool()); + if (pp->has_flag(pg_pool_t::FLAG_EC_OVERWRITES) && + store->get_type() != "bluestore") { + clog->warn() << "pg " << pgid + << " is at risk of silent data corruption: " + << "the pool allows ec overwrites but is not stored in " + << "bluestore, so deep scrubbing will not detect bitrot"; + } + PeeringCtx rctx; + create_pg_collection( + rctx.transaction, pgid, pgid.get_split_bits(pp->get_pg_num())); + init_pg_ondisk(rctx.transaction, pgid, pp); + + int role = startmap->calc_pg_role(pg_shard_t(whoami, pgid.shard), acting); + + PGRef pg = _make_pg(startmap, pgid); + pg->ch = store->create_new_collection(pg->coll); + + { + uint32_t shard_index = pgid.hash_to_shard(shards.size()); + assert(NULL != shards[shard_index]); + store->set_collection_commit_queue(pg->coll, &(shards[shard_index]->context_queue)); + } + + pg->lock(true); + + // we are holding the shard lock + ceph_assert(!pg->is_deleted()); + + pg->init( + role, + up, + up_primary, + acting, + acting_primary, + info->history, + info->past_intervals, + rctx.transaction); + + pg->init_collection_pool_opts(); + + if (pg->is_primary()) { + std::lock_guard locker{m_perf_queries_lock}; + pg->set_dynamic_perf_stats_queries(m_perf_queries); + } + + pg->handle_initialize(rctx); + pg->handle_activate_map(rctx); + + dispatch_context(rctx, pg.get(), osdmap, nullptr); + + dout(10) << __func__ << " new pg " << *pg << dendl; + return pg; +} + +bool OSD::maybe_wait_for_max_pg(const OSDMapRef& osdmap, + spg_t pgid, + bool is_mon_create) +{ + const auto max_pgs_per_osd = + (cct->_conf.get_val<uint64_t>("mon_max_pg_per_osd") * + cct->_conf.get_val<double>("osd_max_pg_per_osd_hard_ratio")); + + if (num_pgs < max_pgs_per_osd) { + return false; + } + + std::lock_guard l(pending_creates_lock); + if (is_mon_create) { + pending_creates_from_mon++; + } else { + bool is_primary = osdmap->get_pg_acting_role(pgid, whoami) == 0; + pending_creates_from_osd.emplace(pgid, is_primary); + } + dout(1) << __func__ << " withhold creation of pg " << pgid + << ": " << num_pgs << " >= "<< max_pgs_per_osd << dendl; + return true; +} + +// to re-trigger a peering, we have to twiddle the pg mapping a little bit, +// see PG::should_restart_peering(). OSDMap::pg_to_up_acting_osds() will turn +// to up set if pg_temp is empty. so an empty pg_temp won't work. +static vector<int32_t> twiddle(const vector<int>& acting) { + if (acting.size() > 1) { + return {acting[0]}; + } else { + vector<int32_t> twiddled(acting.begin(), acting.end()); + twiddled.push_back(-1); + return twiddled; + } +} + +void OSD::resume_creating_pg() +{ + bool do_sub_pg_creates = false; + bool have_pending_creates = false; + { + const auto max_pgs_per_osd = + (cct->_conf.get_val<uint64_t>("mon_max_pg_per_osd") * + cct->_conf.get_val<double>("osd_max_pg_per_osd_hard_ratio")); + if (max_pgs_per_osd <= num_pgs) { + // this could happen if admin decreases this setting before a PG is removed + return; + } + unsigned spare_pgs = max_pgs_per_osd - num_pgs; + std::lock_guard l(pending_creates_lock); + if (pending_creates_from_mon > 0) { + dout(20) << __func__ << " pending_creates_from_mon " + << pending_creates_from_mon << dendl; + do_sub_pg_creates = true; + if (pending_creates_from_mon >= spare_pgs) { + spare_pgs = pending_creates_from_mon = 0; + } else { + spare_pgs -= pending_creates_from_mon; + pending_creates_from_mon = 0; + } + } + auto pg = pending_creates_from_osd.cbegin(); + while (spare_pgs > 0 && pg != pending_creates_from_osd.cend()) { + dout(20) << __func__ << " pg " << pg->first << dendl; + vector<int> acting; + get_osdmap()->pg_to_up_acting_osds(pg->first.pgid, nullptr, nullptr, &acting, nullptr); + service.queue_want_pg_temp(pg->first.pgid, twiddle(acting), true); + pg = pending_creates_from_osd.erase(pg); + do_sub_pg_creates = true; + spare_pgs--; + } + have_pending_creates = (pending_creates_from_mon > 0 || + !pending_creates_from_osd.empty()); + } + + bool do_renew_subs = false; + if (do_sub_pg_creates) { + if (monc->sub_want("osd_pg_creates", last_pg_create_epoch, 0)) { + dout(4) << __func__ << ": resolicit pg creates from mon since " + << last_pg_create_epoch << dendl; + do_renew_subs = true; + } + } + version_t start = get_osdmap_epoch() + 1; + if (have_pending_creates) { + // don't miss any new osdmap deleting PGs + if (monc->sub_want("osdmap", start, 0)) { + dout(4) << __func__ << ": resolicit osdmap from mon since " + << start << dendl; + do_renew_subs = true; + } + } else if (do_sub_pg_creates) { + // no need to subscribe the osdmap continuously anymore + // once the pgtemp and/or mon_subscribe(pg_creates) is sent + if (monc->sub_want_increment("osdmap", start, CEPH_SUBSCRIBE_ONETIME)) { + dout(4) << __func__ << ": re-subscribe osdmap(onetime) since " + << start << dendl; + do_renew_subs = true; + } + } + + if (do_renew_subs) { + monc->renew_subs(); + } + + service.send_pg_temp(); +} + +void OSD::_add_heartbeat_peer(int p) +{ + if (p == whoami) + return; + HeartbeatInfo *hi; + + map<int,HeartbeatInfo>::iterator i = heartbeat_peers.find(p); + if (i == heartbeat_peers.end()) { + pair<ConnectionRef,ConnectionRef> cons = service.get_con_osd_hb(p, get_osdmap_epoch()); + if (!cons.first) + return; + assert(cons.second); + + hi = &heartbeat_peers[p]; + hi->peer = p; + + auto stamps = service.get_hb_stamps(p); + + auto sb = ceph::make_ref<Session>(cct, cons.first.get()); + sb->peer = p; + sb->stamps = stamps; + hi->hb_interval_start = ceph_clock_now(); + hi->con_back = cons.first.get(); + hi->con_back->set_priv(sb); + + auto sf = ceph::make_ref<Session>(cct, cons.second.get()); + sf->peer = p; + sf->stamps = stamps; + hi->con_front = cons.second.get(); + hi->con_front->set_priv(sf); + + dout(10) << "_add_heartbeat_peer: new peer osd." << p + << " " << hi->con_back->get_peer_addr() + << " " << hi->con_front->get_peer_addr() + << dendl; + } else { + hi = &i->second; + } + hi->epoch = get_osdmap_epoch(); +} + +void OSD::_remove_heartbeat_peer(int n) +{ + map<int,HeartbeatInfo>::iterator q = heartbeat_peers.find(n); + ceph_assert(q != heartbeat_peers.end()); + dout(20) << " removing heartbeat peer osd." << n + << " " << q->second.con_back->get_peer_addr() + << " " << (q->second.con_front ? q->second.con_front->get_peer_addr() : entity_addr_t()) + << dendl; + q->second.clear_mark_down(); + heartbeat_peers.erase(q); +} + +void OSD::need_heartbeat_peer_update() +{ + if (is_stopping()) + return; + dout(20) << "need_heartbeat_peer_update" << dendl; + heartbeat_set_peers_need_update(); +} + +void OSD::maybe_update_heartbeat_peers() +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + + if (is_waiting_for_healthy() || is_active()) { + utime_t now = ceph_clock_now(); + if (last_heartbeat_resample == utime_t()) { + last_heartbeat_resample = now; + heartbeat_set_peers_need_update(); + } else if (!heartbeat_peers_need_update()) { + utime_t dur = now - last_heartbeat_resample; + if (dur > cct->_conf->osd_heartbeat_grace) { + dout(10) << "maybe_update_heartbeat_peers forcing update after " << dur << " seconds" << dendl; + heartbeat_set_peers_need_update(); + last_heartbeat_resample = now; + // automatically clean up any stale heartbeat peers + // if we are unhealthy, then clean all + reset_heartbeat_peers(is_waiting_for_healthy()); + } + } + } + + if (!heartbeat_peers_need_update()) + return; + heartbeat_clear_peers_need_update(); + + std::lock_guard l(heartbeat_lock); + + dout(10) << "maybe_update_heartbeat_peers updating" << dendl; + + + // build heartbeat from set + if (is_active()) { + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + pg->with_heartbeat_peers([&](int peer) { + if (get_osdmap()->is_up(peer)) { + _add_heartbeat_peer(peer); + } + }); + } + } + + // include next and previous up osds to ensure we have a fully-connected set + set<int> want, extras; + const int next = get_osdmap()->get_next_up_osd_after(whoami); + if (next >= 0) + want.insert(next); + int prev = get_osdmap()->get_previous_up_osd_before(whoami); + if (prev >= 0 && prev != next) + want.insert(prev); + + // make sure we have at least **min_down** osds coming from different + // subtree level (e.g., hosts) for fast failure detection. + auto min_down = cct->_conf.get_val<uint64_t>("mon_osd_min_down_reporters"); + auto subtree = cct->_conf.get_val<string>("mon_osd_reporter_subtree_level"); + auto limit = std::max(min_down, (uint64_t)cct->_conf->osd_heartbeat_min_peers); + get_osdmap()->get_random_up_osds_by_subtree( + whoami, subtree, limit, want, &want); + + for (set<int>::iterator p = want.begin(); p != want.end(); ++p) { + dout(10) << " adding neighbor peer osd." << *p << dendl; + extras.insert(*p); + _add_heartbeat_peer(*p); + } + + // remove down peers; enumerate extras + map<int,HeartbeatInfo>::iterator p = heartbeat_peers.begin(); + while (p != heartbeat_peers.end()) { + if (!get_osdmap()->is_up(p->first)) { + int o = p->first; + ++p; + _remove_heartbeat_peer(o); + continue; + } + if (p->second.epoch < get_osdmap_epoch()) { + extras.insert(p->first); + } + ++p; + } + + // too few? + for (int n = next; n >= 0; ) { + if ((int)heartbeat_peers.size() >= cct->_conf->osd_heartbeat_min_peers) + break; + if (!extras.count(n) && !want.count(n) && n != whoami) { + dout(10) << " adding random peer osd." << n << dendl; + extras.insert(n); + _add_heartbeat_peer(n); + } + n = get_osdmap()->get_next_up_osd_after(n); + if (n == next) + break; // came full circle; stop + } + + // too many? + for (set<int>::iterator p = extras.begin(); + (int)heartbeat_peers.size() > cct->_conf->osd_heartbeat_min_peers && p != extras.end(); + ++p) { + if (want.count(*p)) + continue; + _remove_heartbeat_peer(*p); + } + + dout(10) << "maybe_update_heartbeat_peers " << heartbeat_peers.size() << " peers, extras " << extras << dendl; + + // clean up stale failure pending + for (auto it = failure_pending.begin(); it != failure_pending.end();) { + if (heartbeat_peers.count(it->first) == 0) { + send_still_alive(get_osdmap_epoch(), it->first, it->second.second); + failure_pending.erase(it++); + } else { + it++; + } + } +} + +void OSD::reset_heartbeat_peers(bool all) +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + dout(10) << "reset_heartbeat_peers" << dendl; + utime_t stale = ceph_clock_now(); + stale -= cct->_conf.get_val<int64_t>("osd_heartbeat_stale"); + std::lock_guard l(heartbeat_lock); + for (auto it = heartbeat_peers.begin(); it != heartbeat_peers.end();) { + auto& [peer, hi] = *it; + if (all || hi.is_stale(stale)) { + hi.clear_mark_down(); + // stop sending failure_report to mon too + failure_queue.erase(peer); + failure_pending.erase(peer); + it = heartbeat_peers.erase(it); + } else { + ++it; + } + } +} + +void OSD::handle_osd_ping(MOSDPing *m) +{ + if (superblock.cluster_fsid != m->fsid) { + dout(20) << "handle_osd_ping from " << m->get_source_inst() + << " bad fsid " << m->fsid << " != " << superblock.cluster_fsid + << dendl; + m->put(); + return; + } + + int from = m->get_source().num(); + + heartbeat_lock.lock(); + if (is_stopping()) { + heartbeat_lock.unlock(); + m->put(); + return; + } + + utime_t now = ceph_clock_now(); + auto mnow = service.get_mnow(); + ConnectionRef con(m->get_connection()); + OSDMapRef curmap = service.get_osdmap(); + if (!curmap) { + heartbeat_lock.unlock(); + m->put(); + return; + } + + auto sref = con->get_priv(); + Session *s = static_cast<Session*>(sref.get()); + if (!s) { + heartbeat_lock.unlock(); + m->put(); + return; + } + if (!s->stamps) { + s->peer = from; + s->stamps = service.get_hb_stamps(from); + } + + switch (m->op) { + + case MOSDPing::PING: + { + if (cct->_conf->osd_debug_drop_ping_probability > 0) { + auto heartbeat_drop = debug_heartbeat_drops_remaining.find(from); + if (heartbeat_drop != debug_heartbeat_drops_remaining.end()) { + if (heartbeat_drop->second == 0) { + debug_heartbeat_drops_remaining.erase(heartbeat_drop); + } else { + --heartbeat_drop->second; + dout(5) << "Dropping heartbeat from " << from + << ", " << heartbeat_drop->second + << " remaining to drop" << dendl; + break; + } + } else if (cct->_conf->osd_debug_drop_ping_probability > + ((((double)(rand()%100))/100.0))) { + heartbeat_drop = + debug_heartbeat_drops_remaining.insert(std::make_pair(from, + cct->_conf->osd_debug_drop_ping_duration)).first; + dout(5) << "Dropping heartbeat from " << from + << ", " << heartbeat_drop->second + << " remaining to drop" << dendl; + break; + } + } + + ceph::signedspan sender_delta_ub{}; + s->stamps->got_ping( + m->up_from, + mnow, + m->mono_send_stamp, + m->delta_ub, + &sender_delta_ub); + dout(20) << __func__ << " new stamps " << *s->stamps << dendl; + + if (!cct->get_heartbeat_map()->is_healthy()) { + dout(10) << "internal heartbeat not healthy, dropping ping request" + << dendl; + break; + } + + Message *r = new MOSDPing(monc->get_fsid(), + curmap->get_epoch(), + MOSDPing::PING_REPLY, + m->ping_stamp, + m->mono_ping_stamp, + mnow, + service.get_up_epoch(), + cct->_conf->osd_heartbeat_min_size, + sender_delta_ub); + con->send_message(r); + + if (curmap->is_up(from)) { + if (is_active()) { + ConnectionRef cluster_con = service.get_con_osd_cluster( + from, curmap->get_epoch()); + if (cluster_con) { + service.maybe_share_map(cluster_con.get(), curmap, m->map_epoch); + } + } + } else if (!curmap->exists(from) || + curmap->get_down_at(from) > m->map_epoch) { + // tell them they have died + Message *r = new MOSDPing(monc->get_fsid(), + curmap->get_epoch(), + MOSDPing::YOU_DIED, + m->ping_stamp, + m->mono_ping_stamp, + mnow, + service.get_up_epoch(), + cct->_conf->osd_heartbeat_min_size); + con->send_message(r); + } + } + break; + + case MOSDPing::PING_REPLY: + { + map<int,HeartbeatInfo>::iterator i = heartbeat_peers.find(from); + if (i != heartbeat_peers.end()) { + auto acked = i->second.ping_history.find(m->ping_stamp); + if (acked != i->second.ping_history.end()) { + int &unacknowledged = acked->second.second; + if (con == i->second.con_back) { + dout(25) << "handle_osd_ping got reply from osd." << from + << " first_tx " << i->second.first_tx + << " last_tx " << i->second.last_tx + << " last_rx_back " << i->second.last_rx_back + << " -> " << now + << " last_rx_front " << i->second.last_rx_front + << dendl; + i->second.last_rx_back = now; + ceph_assert(unacknowledged > 0); + --unacknowledged; + // if there is no front con, set both stamps. + if (i->second.con_front == NULL) { + i->second.last_rx_front = now; + ceph_assert(unacknowledged > 0); + --unacknowledged; + } + } else if (con == i->second.con_front) { + dout(25) << "handle_osd_ping got reply from osd." << from + << " first_tx " << i->second.first_tx + << " last_tx " << i->second.last_tx + << " last_rx_back " << i->second.last_rx_back + << " last_rx_front " << i->second.last_rx_front + << " -> " << now + << dendl; + i->second.last_rx_front = now; + ceph_assert(unacknowledged > 0); + --unacknowledged; + } + + if (unacknowledged == 0) { + // succeeded in getting all replies + dout(25) << "handle_osd_ping got all replies from osd." << from + << " , erase pending ping(sent at " << m->ping_stamp << ")" + << " and older pending ping(s)" + << dendl; + +#define ROUND_S_TO_USEC(sec) (uint32_t)((sec) * 1000 * 1000 + 0.5) + ++i->second.hb_average_count; + uint32_t back_pingtime = ROUND_S_TO_USEC(i->second.last_rx_back - m->ping_stamp); + i->second.hb_total_back += back_pingtime; + if (back_pingtime < i->second.hb_min_back) + i->second.hb_min_back = back_pingtime; + if (back_pingtime > i->second.hb_max_back) + i->second.hb_max_back = back_pingtime; + uint32_t front_pingtime = ROUND_S_TO_USEC(i->second.last_rx_front - m->ping_stamp); + i->second.hb_total_front += front_pingtime; + if (front_pingtime < i->second.hb_min_front) + i->second.hb_min_front = front_pingtime; + if (front_pingtime > i->second.hb_max_front) + i->second.hb_max_front = front_pingtime; + + ceph_assert(i->second.hb_interval_start != utime_t()); + if (i->second.hb_interval_start == utime_t()) + i->second.hb_interval_start = now; + int64_t hb_avg_time_period = 60; + if (cct->_conf.get_val<int64_t>("debug_heartbeat_testing_span")) { + hb_avg_time_period = cct->_conf.get_val<int64_t>("debug_heartbeat_testing_span"); + } + if (now - i->second.hb_interval_start >= utime_t(hb_avg_time_period, 0)) { + uint32_t back_avg = i->second.hb_total_back / i->second.hb_average_count; + uint32_t back_min = i->second.hb_min_back; + uint32_t back_max = i->second.hb_max_back; + uint32_t front_avg = i->second.hb_total_front / i->second.hb_average_count; + uint32_t front_min = i->second.hb_min_front; + uint32_t front_max = i->second.hb_max_front; + + // Reset for new interval + i->second.hb_average_count = 0; + i->second.hb_interval_start = now; + i->second.hb_total_back = i->second.hb_max_back = 0; + i->second.hb_min_back = UINT_MAX; + i->second.hb_total_front = i->second.hb_max_front = 0; + i->second.hb_min_front = UINT_MAX; + + // Record per osd interace ping times + // Based on osd_heartbeat_interval ignoring that it is randomly short than this interval + if (i->second.hb_back_pingtime.size() == 0) { + ceph_assert(i->second.hb_front_pingtime.size() == 0); + for (unsigned k = 0 ; k < hb_vector_size; ++k) { + i->second.hb_back_pingtime.push_back(back_avg); + i->second.hb_back_min.push_back(back_min); + i->second.hb_back_max.push_back(back_max); + i->second.hb_front_pingtime.push_back(front_avg); + i->second.hb_front_min.push_back(front_min); + i->second.hb_front_max.push_back(front_max); + ++i->second.hb_index; + } + } else { + int index = i->second.hb_index & (hb_vector_size - 1); + i->second.hb_back_pingtime[index] = back_avg; + i->second.hb_back_min[index] = back_min; + i->second.hb_back_max[index] = back_max; + i->second.hb_front_pingtime[index] = front_avg; + i->second.hb_front_min[index] = front_min; + i->second.hb_front_max[index] = front_max; + ++i->second.hb_index; + } + + { + std::lock_guard l(service.stat_lock); + service.osd_stat.hb_pingtime[from].last_update = now.sec(); + service.osd_stat.hb_pingtime[from].back_last = back_pingtime; + + uint32_t total = 0; + uint32_t min = UINT_MAX; + uint32_t max = 0; + uint32_t count = 0; + uint32_t which = 0; + uint32_t size = (uint32_t)i->second.hb_back_pingtime.size(); + for (int32_t k = size - 1 ; k >= 0; --k) { + ++count; + int index = (i->second.hb_index + k) % size; + total += i->second.hb_back_pingtime[index]; + if (i->second.hb_back_min[index] < min) + min = i->second.hb_back_min[index]; + if (i->second.hb_back_max[index] > max) + max = i->second.hb_back_max[index]; + if (count == 1 || count == 5 || count == 15) { + service.osd_stat.hb_pingtime[from].back_pingtime[which] = total / count; + service.osd_stat.hb_pingtime[from].back_min[which] = min; + service.osd_stat.hb_pingtime[from].back_max[which] = max; + which++; + if (count == 15) + break; + } + } + + if (i->second.con_front != NULL) { + service.osd_stat.hb_pingtime[from].front_last = front_pingtime; + + total = 0; + min = UINT_MAX; + max = 0; + count = 0; + which = 0; + for (int32_t k = size - 1 ; k >= 0; --k) { + ++count; + int index = (i->second.hb_index + k) % size; + total += i->second.hb_front_pingtime[index]; + if (i->second.hb_front_min[index] < min) + min = i->second.hb_front_min[index]; + if (i->second.hb_front_max[index] > max) + max = i->second.hb_front_max[index]; + if (count == 1 || count == 5 || count == 15) { + service.osd_stat.hb_pingtime[from].front_pingtime[which] = total / count; + service.osd_stat.hb_pingtime[from].front_min[which] = min; + service.osd_stat.hb_pingtime[from].front_max[which] = max; + which++; + if (count == 15) + break; + } + } + } + } + } else { + std::lock_guard l(service.stat_lock); + service.osd_stat.hb_pingtime[from].back_last = back_pingtime; + if (i->second.con_front != NULL) + service.osd_stat.hb_pingtime[from].front_last = front_pingtime; + } + i->second.ping_history.erase(i->second.ping_history.begin(), ++acked); + } + + if (i->second.is_healthy(now)) { + // Cancel false reports + auto failure_queue_entry = failure_queue.find(from); + if (failure_queue_entry != failure_queue.end()) { + dout(10) << "handle_osd_ping canceling queued " + << "failure report for osd." << from << dendl; + failure_queue.erase(failure_queue_entry); + } + + auto failure_pending_entry = failure_pending.find(from); + if (failure_pending_entry != failure_pending.end()) { + dout(10) << "handle_osd_ping canceling in-flight " + << "failure report for osd." << from << dendl; + send_still_alive(curmap->get_epoch(), + from, + failure_pending_entry->second.second); + failure_pending.erase(failure_pending_entry); + } + } + } else { + // old replies, deprecated by newly sent pings. + dout(10) << "handle_osd_ping no pending ping(sent at " << m->ping_stamp + << ") is found, treat as covered by newly sent pings " + << "and ignore" + << dendl; + } + } + + if (m->map_epoch && + curmap->is_up(from)) { + if (is_active()) { + ConnectionRef cluster_con = service.get_con_osd_cluster( + from, curmap->get_epoch()); + if (cluster_con) { + service.maybe_share_map(cluster_con.get(), curmap, m->map_epoch); + } + } + } + + s->stamps->got_ping_reply( + mnow, + m->mono_send_stamp, + m->delta_ub); + dout(20) << __func__ << " new stamps " << *s->stamps << dendl; + } + break; + + case MOSDPing::YOU_DIED: + dout(10) << "handle_osd_ping " << m->get_source_inst() + << " says i am down in " << m->map_epoch << dendl; + osdmap_subscribe(curmap->get_epoch()+1, false); + break; + } + + heartbeat_lock.unlock(); + m->put(); +} + +void OSD::heartbeat_entry() +{ + std::unique_lock l(heartbeat_lock); + if (is_stopping()) + return; + while (!heartbeat_stop) { + heartbeat(); + + double wait; + if (cct->_conf.get_val<bool>("debug_disable_randomized_ping")) { + wait = (float)cct->_conf->osd_heartbeat_interval; + } else { + wait = .5 + ((float)(rand() % 10)/10.0) * (float)cct->_conf->osd_heartbeat_interval; + } + auto w = ceph::make_timespan(wait); + dout(30) << "heartbeat_entry sleeping for " << wait << dendl; + heartbeat_cond.wait_for(l, w); + if (is_stopping()) + return; + dout(30) << "heartbeat_entry woke up" << dendl; + } +} + +void OSD::heartbeat_check() +{ + ceph_assert(ceph_mutex_is_locked(heartbeat_lock)); + utime_t now = ceph_clock_now(); + + // check for incoming heartbeats (move me elsewhere?) + for (map<int,HeartbeatInfo>::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) { + + if (p->second.first_tx == utime_t()) { + dout(25) << "heartbeat_check we haven't sent ping to osd." << p->first + << " yet, skipping" << dendl; + continue; + } + + dout(25) << "heartbeat_check osd." << p->first + << " first_tx " << p->second.first_tx + << " last_tx " << p->second.last_tx + << " last_rx_back " << p->second.last_rx_back + << " last_rx_front " << p->second.last_rx_front + << dendl; + if (p->second.is_unhealthy(now)) { + utime_t oldest_deadline = p->second.ping_history.begin()->second.first; + if (p->second.last_rx_back == utime_t() || + p->second.last_rx_front == utime_t()) { + derr << "heartbeat_check: no reply from " + << p->second.con_front->get_peer_addr().get_sockaddr() + << " osd." << p->first + << " ever on either front or back, first ping sent " + << p->second.first_tx + << " (oldest deadline " << oldest_deadline << ")" + << dendl; + // fail + failure_queue[p->first] = p->second.first_tx; + } else { + derr << "heartbeat_check: no reply from " + << p->second.con_front->get_peer_addr().get_sockaddr() + << " osd." << p->first << " since back " << p->second.last_rx_back + << " front " << p->second.last_rx_front + << " (oldest deadline " << oldest_deadline << ")" + << dendl; + // fail + failure_queue[p->first] = std::min(p->second.last_rx_back, p->second.last_rx_front); + } + } + } +} + +void OSD::heartbeat() +{ + ceph_assert(ceph_mutex_is_locked_by_me(heartbeat_lock)); + dout(30) << "heartbeat" << dendl; + + auto load_for_logger = service.get_scrub_services().update_load_average(); + if (load_for_logger) { + logger->set(l_osd_loadavg, load_for_logger.value()); + } + dout(30) << "heartbeat checking stats" << dendl; + + // refresh peer list and osd stats + vector<int> hb_peers; + for (map<int,HeartbeatInfo>::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) + hb_peers.push_back(p->first); + + auto new_stat = service.set_osd_stat(hb_peers, get_num_pgs()); + dout(5) << __func__ << " " << new_stat << dendl; + ceph_assert(new_stat.statfs.total); + + float pratio; + float ratio = service.compute_adjusted_ratio(new_stat, &pratio); + + service.check_full_status(ratio, pratio); + + utime_t now = ceph_clock_now(); + auto mnow = service.get_mnow(); + utime_t deadline = now; + deadline += cct->_conf->osd_heartbeat_grace; + + // send heartbeats + for (map<int,HeartbeatInfo>::iterator i = heartbeat_peers.begin(); + i != heartbeat_peers.end(); + ++i) { + int peer = i->first; + Session *s = static_cast<Session*>(i->second.con_back->get_priv().get()); + if (!s) { + dout(30) << "heartbeat osd." << peer << " has no open con" << dendl; + continue; + } + dout(30) << "heartbeat sending ping to osd." << peer << dendl; + + i->second.last_tx = now; + if (i->second.first_tx == utime_t()) + i->second.first_tx = now; + i->second.ping_history[now] = make_pair(deadline, + HeartbeatInfo::HEARTBEAT_MAX_CONN); + if (i->second.hb_interval_start == utime_t()) + i->second.hb_interval_start = now; + + std::optional<ceph::signedspan> delta_ub; + s->stamps->sent_ping(&delta_ub); + + i->second.con_back->send_message( + new MOSDPing(monc->get_fsid(), + service.get_osdmap_epoch(), + MOSDPing::PING, + now, + mnow, + mnow, + service.get_up_epoch(), + cct->_conf->osd_heartbeat_min_size, + delta_ub)); + + if (i->second.con_front) + i->second.con_front->send_message( + new MOSDPing(monc->get_fsid(), + service.get_osdmap_epoch(), + MOSDPing::PING, + now, + mnow, + mnow, + service.get_up_epoch(), + cct->_conf->osd_heartbeat_min_size, + delta_ub)); + } + + logger->set(l_osd_hb_to, heartbeat_peers.size()); + + // hmm.. am i all alone? + dout(30) << "heartbeat lonely?" << dendl; + if (heartbeat_peers.empty()) { + if (now - last_mon_heartbeat > cct->_conf->osd_mon_heartbeat_interval && is_active()) { + last_mon_heartbeat = now; + dout(10) << "i have no heartbeat peers; checking mon for new map" << dendl; + osdmap_subscribe(get_osdmap_epoch() + 1, false); + } + } + + dout(30) << "heartbeat done" << dendl; +} + +bool OSD::heartbeat_reset(Connection *con) +{ + std::lock_guard l(heartbeat_lock); + auto s = con->get_priv(); + dout(20) << __func__ << " con " << con << " s " << s.get() << dendl; + con->set_priv(nullptr); + if (s) { + if (is_stopping()) { + return true; + } + auto session = static_cast<Session*>(s.get()); + auto p = heartbeat_peers.find(session->peer); + if (p != heartbeat_peers.end() && + (p->second.con_back == con || + p->second.con_front == con)) { + dout(10) << "heartbeat_reset failed hb con " << con << " for osd." << p->second.peer + << ", reopening" << dendl; + p->second.clear_mark_down(con); + pair<ConnectionRef,ConnectionRef> newcon = service.get_con_osd_hb(p->second.peer, p->second.epoch); + if (newcon.first) { + p->second.con_back = newcon.first.get(); + p->second.con_back->set_priv(s); + if (newcon.second) { + p->second.con_front = newcon.second.get(); + p->second.con_front->set_priv(s); + } + p->second.ping_history.clear(); + } else { + dout(10) << "heartbeat_reset failed hb con " << con << " for osd." << p->second.peer + << ", raced with osdmap update, closing out peer" << dendl; + heartbeat_peers.erase(p); + } + } else { + dout(10) << "heartbeat_reset closing (old) failed hb con " << con << dendl; + } + } + return true; +} + + + +// ========================================= + +void OSD::tick() +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + dout(10) << "tick" << dendl; + + utime_t now = ceph_clock_now(); + // throw out any obsolete markdown log + utime_t grace = utime_t(cct->_conf->osd_max_markdown_period, 0); + while (!osd_markdown_log.empty() && + osd_markdown_log.front() + grace < now) + osd_markdown_log.pop_front(); + + if (is_active() || is_waiting_for_healthy()) { + maybe_update_heartbeat_peers(); + } + + if (is_waiting_for_healthy()) { + start_boot(); + } + + if (is_waiting_for_healthy() || is_booting()) { + std::lock_guard l(heartbeat_lock); + if (now - last_mon_heartbeat > cct->_conf->osd_mon_heartbeat_interval) { + last_mon_heartbeat = now; + dout(1) << __func__ << " checking mon for new map" << dendl; + osdmap_subscribe(get_osdmap_epoch() + 1, false); + } + } + + // scrub purged_snaps every deep scrub interval + { + const utime_t last = superblock.last_purged_snaps_scrub; + utime_t next = last; + next += cct->_conf->osd_scrub_min_interval; + std::mt19937 rng; + // use a seed that is stable for each scrub interval, but varies + // by OSD to avoid any herds. + rng.seed(whoami + superblock.last_purged_snaps_scrub.sec()); + double r = (rng() % 1024) / 1024.0; + next += + cct->_conf->osd_scrub_min_interval * + cct->_conf->osd_scrub_interval_randomize_ratio * r; + if (next < ceph_clock_now()) { + dout(20) << __func__ << " last_purged_snaps_scrub " << last + << " next " << next << " ... now" << dendl; + scrub_purged_snaps(); + } else { + dout(20) << __func__ << " last_purged_snaps_scrub " << last + << " next " << next << dendl; + } + } + + tick_timer.add_event_after(get_tick_interval(), new C_Tick(this)); +} + +void OSD::tick_without_osd_lock() +{ + ceph_assert(ceph_mutex_is_locked(tick_timer_lock)); + dout(10) << "tick_without_osd_lock" << dendl; + + logger->set(l_osd_cached_crc, ceph::buffer::get_cached_crc()); + logger->set(l_osd_cached_crc_adjusted, ceph::buffer::get_cached_crc_adjusted()); + logger->set(l_osd_missed_crc, ceph::buffer::get_missed_crc()); + + // refresh osd stats + struct store_statfs_t stbuf; + osd_alert_list_t alerts; + int r = store->statfs(&stbuf, &alerts); + ceph_assert(r == 0); + service.set_statfs(stbuf, alerts); + + // osd_lock is not being held, which means the OSD state + // might change when doing the monitor report + if (is_active() || is_waiting_for_healthy()) { + { + std::lock_guard l{heartbeat_lock}; + heartbeat_check(); + } + map_lock.lock_shared(); + std::lock_guard l(mon_report_lock); + + // mon report? + utime_t now = ceph_clock_now(); + if (service.need_fullness_update() || + now - last_mon_report > cct->_conf->osd_mon_report_interval) { + last_mon_report = now; + send_full_update(); + send_failures(); + } + map_lock.unlock_shared(); + + epoch_t max_waiting_epoch = 0; + for (auto s : shards) { + max_waiting_epoch = std::max(max_waiting_epoch, + s->get_max_waiting_epoch()); + } + if (max_waiting_epoch > get_osdmap()->get_epoch()) { + dout(20) << __func__ << " max_waiting_epoch " << max_waiting_epoch + << ", requesting new map" << dendl; + osdmap_subscribe(superblock.newest_map + 1, false); + } + } + + if (is_active()) { + if (!scrub_random_backoff()) { + sched_scrub(); + } + service.promote_throttle_recalibrate(); + resume_creating_pg(); + bool need_send_beacon = false; + const auto now = ceph::coarse_mono_clock::now(); + { + // borrow lec lock to pretect last_sent_beacon from changing + std::lock_guard l{min_last_epoch_clean_lock}; + const auto elapsed = now - last_sent_beacon; + if (std::chrono::duration_cast<std::chrono::seconds>(elapsed).count() > + cct->_conf->osd_beacon_report_interval) { + need_send_beacon = true; + } + } + if (need_send_beacon) { + send_beacon(now); + } + } + + mgrc.update_daemon_health(get_health_metrics()); + service.kick_recovery_queue(); + tick_timer_without_osd_lock.add_event_after(get_tick_interval(), + new C_Tick_WithoutOSDLock(this)); +} + +// Usage: +// setomapval <pool-id> [namespace/]<obj-name> <key> <val> +// rmomapkey <pool-id> [namespace/]<obj-name> <key> +// setomapheader <pool-id> [namespace/]<obj-name> <header> +// getomap <pool> [namespace/]<obj-name> +// truncobj <pool-id> [namespace/]<obj-name> <newlen> +// injectmdataerr [namespace/]<obj-name> [shardid] +// injectdataerr [namespace/]<obj-name> [shardid] +// +// set_recovery_delay [utime] +void TestOpsSocketHook::test_ops(OSDService *service, ObjectStore *store, + std::string_view command, + const cmdmap_t& cmdmap, ostream &ss) +{ + //Test support + //Support changing the omap on a single osd by using the Admin Socket to + //directly request the osd make a change. + if (command == "setomapval" || command == "rmomapkey" || + command == "setomapheader" || command == "getomap" || + command == "truncobj" || command == "injectmdataerr" || + command == "injectdataerr" + ) { + pg_t rawpg; + int64_t pool; + OSDMapRef curmap = service->get_osdmap(); + int r = -1; + + string poolstr; + + cmd_getval(cmdmap, "pool", poolstr); + pool = curmap->lookup_pg_pool_name(poolstr); + //If we can't find it by name then maybe id specified + if (pool < 0 && isdigit(poolstr[0])) + pool = atoll(poolstr.c_str()); + if (pool < 0) { + ss << "Invalid pool '" << poolstr << "''"; + return; + } + + string objname, nspace; + cmd_getval(cmdmap, "objname", objname); + std::size_t found = objname.find_first_of('/'); + if (found != string::npos) { + nspace = objname.substr(0, found); + objname = objname.substr(found+1); + } + object_locator_t oloc(pool, nspace); + r = curmap->object_locator_to_pg(object_t(objname), oloc, rawpg); + + if (r < 0) { + ss << "Invalid namespace/objname"; + return; + } + + int64_t shardid = cmd_getval_or<int64_t>(cmdmap, "shardid", shard_id_t::NO_SHARD); + hobject_t obj(object_t(objname), string(""), CEPH_NOSNAP, rawpg.ps(), pool, nspace); + ghobject_t gobj(obj, ghobject_t::NO_GEN, shard_id_t(uint8_t(shardid))); + spg_t pgid(curmap->raw_pg_to_pg(rawpg), shard_id_t(shardid)); + if (curmap->pg_is_ec(rawpg)) { + if ((command != "injectdataerr") && (command != "injectmdataerr")) { + ss << "Must not call on ec pool, except injectdataerr or injectmdataerr"; + return; + } + } + + ObjectStore::Transaction t; + + if (command == "setomapval") { + map<string, bufferlist> newattrs; + bufferlist val; + string key, valstr; + cmd_getval(cmdmap, "key", key); + cmd_getval(cmdmap, "val", valstr); + + val.append(valstr); + newattrs[key] = val; + t.omap_setkeys(coll_t(pgid), ghobject_t(obj), newattrs); + r = store->queue_transaction(service->meta_ch, std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "rmomapkey") { + string key; + cmd_getval(cmdmap, "key", key); + + t.omap_rmkey(coll_t(pgid), ghobject_t(obj), key); + r = store->queue_transaction(service->meta_ch, std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "setomapheader") { + bufferlist newheader; + string headerstr; + + cmd_getval(cmdmap, "header", headerstr); + newheader.append(headerstr); + t.omap_setheader(coll_t(pgid), ghobject_t(obj), newheader); + r = store->queue_transaction(service->meta_ch, std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "getomap") { + //Debug: Output entire omap + bufferlist hdrbl; + map<string, bufferlist> keyvals; + auto ch = store->open_collection(coll_t(pgid)); + if (!ch) { + ss << "unable to open collection for " << pgid; + r = -ENOENT; + } else { + r = store->omap_get(ch, ghobject_t(obj), &hdrbl, &keyvals); + if (r >= 0) { + ss << "header=" << string(hdrbl.c_str(), hdrbl.length()); + for (map<string, bufferlist>::iterator it = keyvals.begin(); + it != keyvals.end(); ++it) + ss << " key=" << (*it).first << " val=" + << string((*it).second.c_str(), (*it).second.length()); + } else { + ss << "error=" << r; + } + } + } else if (command == "truncobj") { + int64_t trunclen; + cmd_getval(cmdmap, "len", trunclen); + t.truncate(coll_t(pgid), ghobject_t(obj), trunclen); + r = store->queue_transaction(service->meta_ch, std::move(t)); + if (r < 0) + ss << "error=" << r; + else + ss << "ok"; + } else if (command == "injectdataerr") { + store->inject_data_error(gobj); + ss << "ok"; + } else if (command == "injectmdataerr") { + store->inject_mdata_error(gobj); + ss << "ok"; + } + return; + } + if (command == "set_recovery_delay") { + int64_t delay = cmd_getval_or<int64_t>(cmdmap, "utime", 0); + ostringstream oss; + oss << delay; + int r = service->cct->_conf.set_val("osd_recovery_delay_start", + oss.str().c_str()); + if (r != 0) { + ss << "set_recovery_delay: error setting " + << "osd_recovery_delay_start to '" << delay << "': error " + << r; + return; + } + service->cct->_conf.apply_changes(nullptr); + ss << "set_recovery_delay: set osd_recovery_delay_start " + << "to " << service->cct->_conf->osd_recovery_delay_start; + return; + } + if (command == "injectfull") { + int64_t count = cmd_getval_or<int64_t>(cmdmap, "count", -1); + string type = cmd_getval_or<string>(cmdmap, "type", "full"); + OSDService::s_names state; + + if (type == "none" || count == 0) { + type = "none"; + count = 0; + } + state = service->get_full_state(type); + if (state == OSDService::s_names::INVALID) { + ss << "Invalid type use (none, nearfull, backfillfull, full, failsafe)"; + return; + } + service->set_injectfull(state, count); + return; + } + ss << "Internal error - command=" << command; +} + +// ========================================= + +void OSD::ms_handle_connect(Connection *con) +{ + dout(10) << __func__ << " con " << con << dendl; + if (con->get_peer_type() == CEPH_ENTITY_TYPE_MON) { + std::lock_guard l(osd_lock); + if (is_stopping()) + return; + dout(10) << __func__ << " on mon" << dendl; + + if (is_preboot()) { + start_boot(); + } else if (is_booting()) { + _send_boot(); // resend boot message + } else { + map_lock.lock_shared(); + std::lock_guard l2(mon_report_lock); + + utime_t now = ceph_clock_now(); + last_mon_report = now; + + // resend everything, it's a new session + send_full_update(); + send_alive(); + service.requeue_pg_temp(); + service.clear_sent_ready_to_merge(); + service.send_pg_temp(); + service.send_ready_to_merge(); + service.send_pg_created(); + requeue_failures(); + send_failures(); + + map_lock.unlock_shared(); + if (is_active()) { + send_beacon(ceph::coarse_mono_clock::now()); + } + } + + // full map requests may happen while active or pre-boot + if (requested_full_first) { + rerequest_full_maps(); + } + } +} + +void OSD::ms_handle_fast_connect(Connection *con) +{ + if (con->get_peer_type() != CEPH_ENTITY_TYPE_MON && + con->get_peer_type() != CEPH_ENTITY_TYPE_MGR) { + if (auto s = ceph::ref_cast<Session>(con->get_priv()); !s) { + s = ceph::make_ref<Session>(cct, con); + con->set_priv(s); + dout(10) << " new session (outgoing) " << s << " con=" << s->con + << " addr=" << s->con->get_peer_addr() << dendl; + // we don't connect to clients + ceph_assert(con->get_peer_type() == CEPH_ENTITY_TYPE_OSD); + s->entity_name.set_type(CEPH_ENTITY_TYPE_OSD); + } + } +} + +void OSD::ms_handle_fast_accept(Connection *con) +{ + if (con->get_peer_type() != CEPH_ENTITY_TYPE_MON && + con->get_peer_type() != CEPH_ENTITY_TYPE_MGR) { + if (auto s = ceph::ref_cast<Session>(con->get_priv()); !s) { + s = ceph::make_ref<Session>(cct, con); + con->set_priv(s); + dout(10) << "new session (incoming)" << s << " con=" << con + << " addr=" << con->get_peer_addr() + << " must have raced with connect" << dendl; + ceph_assert(con->get_peer_type() == CEPH_ENTITY_TYPE_OSD); + s->entity_name.set_type(CEPH_ENTITY_TYPE_OSD); + } + } +} + +bool OSD::ms_handle_reset(Connection *con) +{ + auto session = ceph::ref_cast<Session>(con->get_priv()); + dout(2) << "ms_handle_reset con " << con << " session " << session.get() << dendl; + if (!session) + return false; + session->wstate.reset(con); + session->con->set_priv(nullptr); + session->con.reset(); // break con <-> session ref cycle + // note that we break session->con *before* the session_handle_reset + // cleanup below. this avoids a race between us and + // PG::add_backoff, Session::check_backoff, etc. + session_handle_reset(session); + return true; +} + +bool OSD::ms_handle_refused(Connection *con) +{ + if (!cct->_conf->osd_fast_fail_on_connection_refused) + return false; + + auto session = ceph::ref_cast<Session>(con->get_priv()); + dout(2) << "ms_handle_refused con " << con << " session " << session.get() << dendl; + if (!session) + return false; + int type = con->get_peer_type(); + // handle only OSD failures here + if (monc && (type == CEPH_ENTITY_TYPE_OSD)) { + OSDMapRef osdmap = get_osdmap(); + if (osdmap) { + int id = osdmap->identify_osd_on_all_channels(con->get_peer_addr()); + if (id >= 0 && osdmap->is_up(id)) { + // I'm cheating mon heartbeat grace logic, because we know it's not going + // to respawn alone. +1 so we won't hit any boundary case. + monc->send_mon_message( + new MOSDFailure( + monc->get_fsid(), + id, + osdmap->get_addrs(id), + cct->_conf->osd_heartbeat_grace + 1, + osdmap->get_epoch(), + MOSDFailure::FLAG_IMMEDIATE | MOSDFailure::FLAG_FAILED + )); + } + } + } + return true; +} + +struct CB_OSD_GetVersion { + OSD *osd; + explicit CB_OSD_GetVersion(OSD *o) : osd(o) {} + void operator ()(boost::system::error_code ec, version_t newest, + version_t oldest) { + if (!ec) + osd->_got_mon_epochs(oldest, newest); + } +}; + +void OSD::start_boot() +{ + if (!_is_healthy()) { + // if we are not healthy, do not mark ourselves up (yet) + dout(1) << "not healthy; waiting to boot" << dendl; + if (!is_waiting_for_healthy()) + start_waiting_for_healthy(); + // send pings sooner rather than later + heartbeat_kick(); + return; + } + dout(1) << __func__ << dendl; + set_state(STATE_PREBOOT); + dout(10) << "start_boot - have maps " << superblock.oldest_map + << ".." << superblock.newest_map << dendl; + monc->get_version("osdmap", CB_OSD_GetVersion(this)); +} + +void OSD::_got_mon_epochs(epoch_t oldest, epoch_t newest) +{ + std::lock_guard l(osd_lock); + if (is_preboot()) { + _preboot(oldest, newest); + } +} + +void OSD::_preboot(epoch_t oldest, epoch_t newest) +{ + ceph_assert(is_preboot()); + dout(10) << __func__ << " _preboot mon has osdmaps " + << oldest << ".." << newest << dendl; + + // ensure our local fullness awareness is accurate + { + std::lock_guard l(heartbeat_lock); + heartbeat(); + } + + const auto& monmap = monc->monmap; + const auto osdmap = get_osdmap(); + // if our map within recent history, try to add ourselves to the osdmap. + if (osdmap->get_epoch() == 0) { + derr << "waiting for initial osdmap" << dendl; + } else if (osdmap->is_destroyed(whoami)) { + derr << "osdmap says I am destroyed" << dendl; + // provide a small margin so we don't livelock seeing if we + // un-destroyed ourselves. + if (osdmap->get_epoch() > newest - 1) { + exit(0); + } + } else if (osdmap->is_noup(whoami)) { + derr << "osdmap NOUP flag is set, waiting for it to clear" << dendl; + } else if (!osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE)) { + derr << "osdmap SORTBITWISE OSDMap flag is NOT set; please set it" + << dendl; + } else if (service.need_fullness_update()) { + derr << "osdmap fullness state needs update" << dendl; + send_full_update(); + } else if (monmap.min_mon_release >= ceph_release_t::octopus && + superblock.purged_snaps_last < superblock.current_epoch) { + dout(10) << __func__ << " purged_snaps_last " << superblock.purged_snaps_last + << " < newest_map " << superblock.current_epoch << dendl; + _get_purged_snaps(); + } else if (osdmap->get_epoch() >= oldest - 1 && + osdmap->get_epoch() + cct->_conf->osd_map_message_max > newest) { + + // wait for pgs to fully catch up in a different thread, since + // this thread might be required for splitting and merging PGs to + // make progress. + boot_finisher.queue( + new LambdaContext( + [this](int r) { + std::unique_lock l(osd_lock); + if (is_preboot()) { + dout(10) << __func__ << " waiting for peering work to drain" + << dendl; + l.unlock(); + for (auto shard : shards) { + shard->wait_min_pg_epoch(get_osdmap_epoch()); + } + l.lock(); + } + if (is_preboot()) { + _send_boot(); + } + })); + return; + } + + // get all the latest maps + if (osdmap->get_epoch() + 1 >= oldest) + osdmap_subscribe(osdmap->get_epoch() + 1, false); + else + osdmap_subscribe(oldest - 1, true); +} + +void OSD::_get_purged_snaps() +{ + // NOTE: this is a naive, stateless implementaiton. it may send multiple + // overlapping requests to the mon, which will be somewhat inefficient, but + // it should be reliable. + dout(10) << __func__ << " purged_snaps_last " << superblock.purged_snaps_last + << ", newest_map " << superblock.current_epoch << dendl; + MMonGetPurgedSnaps *m = new MMonGetPurgedSnaps( + superblock.purged_snaps_last + 1, + superblock.current_epoch + 1); + monc->send_mon_message(m); +} + +void OSD::handle_get_purged_snaps_reply(MMonGetPurgedSnapsReply *m) +{ + dout(10) << __func__ << " " << *m << dendl; + ObjectStore::Transaction t; + if (!is_preboot() || + m->last < superblock.purged_snaps_last) { + goto out; + } else { + OSDriver osdriver{store.get(), service.meta_ch, make_purged_snaps_oid()}; + SnapMapper::record_purged_snaps( + cct, + osdriver, + osdriver.get_transaction(&t), + m->purged_snaps); + } + superblock.purged_snaps_last = m->last; + write_superblock(t); + store->queue_transaction( + service.meta_ch, + std::move(t)); + service.publish_superblock(superblock); + if (m->last < superblock.current_epoch) { + _get_purged_snaps(); + } else { + start_boot(); + } +out: + m->put(); +} + +void OSD::send_full_update() +{ + if (!service.need_fullness_update()) + return; + unsigned state = 0; + if (service.is_full()) { + state = CEPH_OSD_FULL; + } else if (service.is_backfillfull()) { + state = CEPH_OSD_BACKFILLFULL; + } else if (service.is_nearfull()) { + state = CEPH_OSD_NEARFULL; + } + set<string> s; + OSDMap::calc_state_set(state, s); + dout(10) << __func__ << " want state " << s << dendl; + monc->send_mon_message(new MOSDFull(get_osdmap_epoch(), state)); +} + +void OSD::start_waiting_for_healthy() +{ + dout(1) << "start_waiting_for_healthy" << dendl; + set_state(STATE_WAITING_FOR_HEALTHY); + last_heartbeat_resample = utime_t(); + + // subscribe to osdmap updates, in case our peers really are known to be dead + osdmap_subscribe(get_osdmap_epoch() + 1, false); +} + +bool OSD::_is_healthy() +{ + if (!cct->get_heartbeat_map()->is_healthy()) { + dout(1) << "is_healthy false -- internal heartbeat failed" << dendl; + return false; + } + + if (is_waiting_for_healthy()) { + utime_t now = ceph_clock_now(); + if (osd_markdown_log.empty()) { + dout(5) << __func__ << " force returning true since last markdown" + << " was " << cct->_conf->osd_max_markdown_period + << "s ago" << dendl; + return true; + } + std::lock_guard l(heartbeat_lock); + int num = 0, up = 0; + for (map<int,HeartbeatInfo>::iterator p = heartbeat_peers.begin(); + p != heartbeat_peers.end(); + ++p) { + if (p->second.is_healthy(now)) + ++up; + ++num; + } + if ((float)up < (float)num * cct->_conf->osd_heartbeat_min_healthy_ratio) { + dout(1) << "is_healthy false -- only " << up << "/" << num << " up peers (less than " + << int(cct->_conf->osd_heartbeat_min_healthy_ratio * 100.0) << "%)" << dendl; + return false; + } + } + + return true; +} + +void OSD::_send_boot() +{ + dout(10) << "_send_boot" << dendl; + Connection *local_connection = + cluster_messenger->get_loopback_connection().get(); + entity_addrvec_t client_addrs = client_messenger->get_myaddrs(); + entity_addrvec_t cluster_addrs = cluster_messenger->get_myaddrs(); + entity_addrvec_t hb_back_addrs = hb_back_server_messenger->get_myaddrs(); + entity_addrvec_t hb_front_addrs = hb_front_server_messenger->get_myaddrs(); + + dout(20) << " initial client_addrs " << client_addrs + << ", cluster_addrs " << cluster_addrs + << ", hb_back_addrs " << hb_back_addrs + << ", hb_front_addrs " << hb_front_addrs + << dendl; + if (cluster_messenger->set_addr_unknowns(client_addrs)) { + dout(10) << " assuming cluster_addrs match client_addrs " + << client_addrs << dendl; + cluster_addrs = cluster_messenger->get_myaddrs(); + } + if (auto session = local_connection->get_priv(); !session) { + cluster_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + local_connection = hb_back_server_messenger->get_loopback_connection().get(); + if (hb_back_server_messenger->set_addr_unknowns(cluster_addrs)) { + dout(10) << " assuming hb_back_addrs match cluster_addrs " + << cluster_addrs << dendl; + hb_back_addrs = hb_back_server_messenger->get_myaddrs(); + } + if (auto session = local_connection->get_priv(); !session) { + hb_back_server_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + local_connection = hb_front_server_messenger->get_loopback_connection().get(); + if (hb_front_server_messenger->set_addr_unknowns(client_addrs)) { + dout(10) << " assuming hb_front_addrs match client_addrs " + << client_addrs << dendl; + hb_front_addrs = hb_front_server_messenger->get_myaddrs(); + } + if (auto session = local_connection->get_priv(); !session) { + hb_front_server_messenger->ms_deliver_handle_fast_connect(local_connection); + } + + // we now know what our front and back addrs will be, and we are + // about to tell the mon what our metadata (including numa bindings) + // are, so now is a good time! + set_numa_affinity(); + + MOSDBoot *mboot = new MOSDBoot( + superblock, get_osdmap_epoch(), service.get_boot_epoch(), + hb_back_addrs, hb_front_addrs, cluster_addrs, + CEPH_FEATURES_ALL); + dout(10) << " final client_addrs " << client_addrs + << ", cluster_addrs " << cluster_addrs + << ", hb_back_addrs " << hb_back_addrs + << ", hb_front_addrs " << hb_front_addrs + << dendl; + _collect_metadata(&mboot->metadata); + monc->send_mon_message(mboot); + set_state(STATE_BOOTING); +} + +void OSD::_collect_metadata(map<string,string> *pm) +{ + // config info + (*pm)["osd_data"] = dev_path; + if (store->get_type() == "filestore") { + // not applicable for bluestore + (*pm)["osd_journal"] = journal_path; + } + (*pm)["front_addr"] = stringify(client_messenger->get_myaddrs()); + (*pm)["back_addr"] = stringify(cluster_messenger->get_myaddrs()); + (*pm)["hb_front_addr"] = stringify(hb_front_server_messenger->get_myaddrs()); + (*pm)["hb_back_addr"] = stringify(hb_back_server_messenger->get_myaddrs()); + + // backend + (*pm)["osd_objectstore"] = store->get_type(); + (*pm)["rotational"] = store_is_rotational ? "1" : "0"; + (*pm)["journal_rotational"] = journal_is_rotational ? "1" : "0"; + (*pm)["default_device_class"] = store->get_default_device_class(); + string osdspec_affinity; + int r = store->read_meta("osdspec_affinity", &osdspec_affinity); + if (r < 0 || osdspec_affinity.empty()) { + osdspec_affinity = ""; + } + (*pm)["osdspec_affinity"] = osdspec_affinity; + string ceph_version_when_created; + r = store->read_meta("ceph_version_when_created", &ceph_version_when_created); + if (r <0 || ceph_version_when_created.empty()) { + ceph_version_when_created = ""; + } + (*pm)["ceph_version_when_created"] = ceph_version_when_created; + string created_at; + r = store->read_meta("created_at", &created_at); + if (r < 0 || created_at.empty()) { + created_at = ""; + } + (*pm)["created_at"] = created_at; + store->collect_metadata(pm); + + collect_sys_info(pm, cct); + + (*pm)["front_iface"] = pick_iface( + cct, + client_messenger->get_myaddrs().front().get_sockaddr_storage()); + (*pm)["back_iface"] = pick_iface( + cct, + cluster_messenger->get_myaddrs().front().get_sockaddr_storage()); + + // network numa + { + int node = -1; + set<int> nodes; + set<string> unknown; + for (auto nm : { "front_iface", "back_iface" }) { + if (!(*pm)[nm].size()) { + unknown.insert(nm); + continue; + } + int n = -1; + int r = get_iface_numa_node((*pm)[nm], &n); + if (r < 0) { + unknown.insert((*pm)[nm]); + continue; + } + nodes.insert(n); + if (node < 0) { + node = n; + } + } + if (unknown.size()) { + (*pm)["network_numa_unknown_ifaces"] = stringify(unknown); + } + if (!nodes.empty()) { + (*pm)["network_numa_nodes"] = stringify(nodes); + } + if (node >= 0 && nodes.size() == 1 && unknown.empty()) { + (*pm)["network_numa_node"] = stringify(node); + } + } + + if (numa_node >= 0) { + (*pm)["numa_node"] = stringify(numa_node); + (*pm)["numa_node_cpus"] = cpu_set_to_str_list(numa_cpu_set_size, + &numa_cpu_set); + } + + set<string> devnames; + store->get_devices(&devnames); + map<string,string> errs; + get_device_metadata(devnames, pm, &errs); + for (auto& i : errs) { + dout(1) << __func__ << " " << i.first << ": " << i.second << dendl; + } + dout(10) << __func__ << " " << *pm << dendl; +} + +void OSD::queue_want_up_thru(epoch_t want) +{ + std::shared_lock map_locker{map_lock}; + epoch_t cur = get_osdmap()->get_up_thru(whoami); + std::lock_guard report_locker(mon_report_lock); + if (want > up_thru_wanted) { + dout(10) << "queue_want_up_thru now " << want << " (was " << up_thru_wanted << ")" + << ", currently " << cur + << dendl; + up_thru_wanted = want; + send_alive(); + } else { + dout(10) << "queue_want_up_thru want " << want << " <= queued " << up_thru_wanted + << ", currently " << cur + << dendl; + } +} + +void OSD::send_alive() +{ + ceph_assert(ceph_mutex_is_locked(mon_report_lock)); + const auto osdmap = get_osdmap(); + if (!osdmap->exists(whoami)) + return; + epoch_t up_thru = osdmap->get_up_thru(whoami); + dout(10) << "send_alive up_thru currently " << up_thru << " want " << up_thru_wanted << dendl; + if (up_thru_wanted > up_thru) { + dout(10) << "send_alive want " << up_thru_wanted << dendl; + monc->send_mon_message(new MOSDAlive(osdmap->get_epoch(), up_thru_wanted)); + } +} + +void OSD::request_full_map(epoch_t first, epoch_t last) +{ + dout(10) << __func__ << " " << first << ".." << last + << ", previously requested " + << requested_full_first << ".." << requested_full_last << dendl; + ceph_assert(ceph_mutex_is_locked(osd_lock)); + ceph_assert(first > 0 && last > 0); + ceph_assert(first <= last); + ceph_assert(first >= requested_full_first); // we shouldn't ever ask for older maps + if (requested_full_first == 0) { + // first request + requested_full_first = first; + requested_full_last = last; + } else if (last <= requested_full_last) { + // dup + return; + } else { + // additional request + first = requested_full_last + 1; + requested_full_last = last; + } + MMonGetOSDMap *req = new MMonGetOSDMap; + req->request_full(first, last); + monc->send_mon_message(req); +} + +void OSD::got_full_map(epoch_t e) +{ + ceph_assert(requested_full_first <= requested_full_last); + ceph_assert(ceph_mutex_is_locked(osd_lock)); + if (requested_full_first == 0) { + dout(20) << __func__ << " " << e << ", nothing requested" << dendl; + return; + } + if (e < requested_full_first) { + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last + << ", ignoring" << dendl; + return; + } + if (e >= requested_full_last) { + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last << ", resetting" << dendl; + requested_full_first = requested_full_last = 0; + return; + } + + requested_full_first = e + 1; + + dout(10) << __func__ << " " << e << ", requested " << requested_full_first + << ".." << requested_full_last + << ", still need more" << dendl; +} + +void OSD::requeue_failures() +{ + std::lock_guard l(heartbeat_lock); + unsigned old_queue = failure_queue.size(); + unsigned old_pending = failure_pending.size(); + for (auto p = failure_pending.begin(); p != failure_pending.end(); ) { + failure_queue[p->first] = p->second.first; + failure_pending.erase(p++); + } + dout(10) << __func__ << " " << old_queue << " + " << old_pending << " -> " + << failure_queue.size() << dendl; +} + +void OSD::send_failures() +{ + ceph_assert(ceph_mutex_is_locked(map_lock)); + ceph_assert(ceph_mutex_is_locked(mon_report_lock)); + std::lock_guard l(heartbeat_lock); + utime_t now = ceph_clock_now(); + const auto osdmap = get_osdmap(); + while (!failure_queue.empty()) { + int osd = failure_queue.begin()->first; + if (!failure_pending.count(osd)) { + int failed_for = (int)(double)(now - failure_queue.begin()->second); + monc->send_mon_message( + new MOSDFailure( + monc->get_fsid(), + osd, + osdmap->get_addrs(osd), + failed_for, + osdmap->get_epoch())); + failure_pending[osd] = make_pair(failure_queue.begin()->second, + osdmap->get_addrs(osd)); + } + failure_queue.erase(osd); + } +} + +void OSD::send_still_alive(epoch_t epoch, int osd, const entity_addrvec_t &addrs) +{ + MOSDFailure *m = new MOSDFailure(monc->get_fsid(), osd, addrs, 0, epoch, + MOSDFailure::FLAG_ALIVE); + monc->send_mon_message(m); +} + +void OSD::cancel_pending_failures() +{ + std::lock_guard l(heartbeat_lock); + auto it = failure_pending.begin(); + while (it != failure_pending.end()) { + dout(10) << __func__ << " canceling in-flight failure report for osd." + << it->first << dendl; + send_still_alive(get_osdmap_epoch(), it->first, it->second.second); + failure_pending.erase(it++); + } +} + +void OSD::send_beacon(const ceph::coarse_mono_clock::time_point& now) +{ + const auto& monmap = monc->monmap; + // send beacon to mon even if we are just connected, and the monmap is not + // initialized yet by then. + if (monmap.epoch > 0 && + monmap.get_required_features().contains_all( + ceph::features::mon::FEATURE_LUMINOUS)) { + dout(20) << __func__ << " sending" << dendl; + MOSDBeacon* beacon = nullptr; + { + std::lock_guard l{min_last_epoch_clean_lock}; + beacon = new MOSDBeacon(get_osdmap_epoch(), + min_last_epoch_clean, + superblock.last_purged_snaps_scrub, + cct->_conf->osd_beacon_report_interval); + beacon->pgs = min_last_epoch_clean_pgs; + last_sent_beacon = now; + } + monc->send_mon_message(beacon); + } else { + dout(20) << __func__ << " not sending" << dendl; + } +} + +void OSD::handle_command(MCommand *m) +{ + ConnectionRef con = m->get_connection(); + auto session = ceph::ref_cast<Session>(con->get_priv()); + if (!session) { + con->send_message(new MCommandReply(m, -EACCES)); + m->put(); + return; + } + if (!session->caps.allow_all()) { + con->send_message(new MCommandReply(m, -EACCES)); + m->put(); + return; + } + cct->get_admin_socket()->queue_tell_command(m); + m->put(); +} + +namespace { + class unlock_guard { + ceph::mutex& m; + public: + explicit unlock_guard(ceph::mutex& mutex) + : m(mutex) + { + m.unlock(); + } + unlock_guard(unlock_guard&) = delete; + ~unlock_guard() { + m.lock(); + } + }; +} + +void OSD::scrub_purged_snaps() +{ + dout(10) << __func__ << dendl; + ceph_assert(ceph_mutex_is_locked(osd_lock)); + SnapMapper::Scrubber s(cct, store.get(), service.meta_ch, + make_snapmapper_oid(), + make_purged_snaps_oid()); + clog->debug() << "purged_snaps scrub starts"; + osd_lock.unlock(); + s.run(); + if (s.stray.size()) { + clog->debug() << "purged_snaps scrub found " << s.stray.size() << " strays"; + } else { + clog->debug() << "purged_snaps scrub ok"; + } + set<pair<spg_t,snapid_t>> queued; + for (auto& [pool, snap, hash, shard] : s.stray) { + const pg_pool_t *pi = get_osdmap()->get_pg_pool(pool); + if (!pi) { + dout(20) << __func__ << " pool " << pool << " dne" << dendl; + continue; + } + pg_t pgid(pi->raw_hash_to_pg(hash), pool); + spg_t spgid(pgid, shard); + pair<spg_t,snapid_t> p(spgid, snap); + if (queued.count(p)) { + dout(20) << __func__ << " pg " << spgid << " snap " << snap + << " already queued" << dendl; + continue; + } + PGRef pg = lookup_lock_pg(spgid); + if (!pg) { + dout(20) << __func__ << " pg " << spgid << " not found" << dendl; + continue; + } + queued.insert(p); + dout(10) << __func__ << " requeue pg " << spgid << " " << pg << " snap " + << snap << dendl; + pg->queue_snap_retrim(snap); + pg->unlock(); + } + osd_lock.lock(); + if (is_stopping()) { + return; + } + dout(10) << __func__ << " done queueing pgs, updating superblock" << dendl; + ObjectStore::Transaction t; + superblock.last_purged_snaps_scrub = ceph_clock_now(); + write_superblock(t); + int tr = store->queue_transaction(service.meta_ch, std::move(t), nullptr); + ceph_assert(tr == 0); + if (is_active()) { + send_beacon(ceph::coarse_mono_clock::now()); + } + dout(10) << __func__ << " done" << dendl; +} + +void OSD::probe_smart(const string& only_devid, ostream& ss) +{ + set<string> devnames; + store->get_devices(&devnames); + uint64_t smart_timeout = cct->_conf.get_val<uint64_t>( + "osd_smart_report_timeout"); + + // == typedef std::map<std::string, mValue> mObject; + json_spirit::mObject json_map; + + for (auto dev : devnames) { + // smartctl works only on physical devices; filter out any logical device + if (dev.find("dm-") == 0) { + continue; + } + + string err; + string devid = get_device_id(dev, &err); + if (devid.size() == 0) { + dout(10) << __func__ << " no unique id for dev " << dev << " (" + << err << "), skipping" << dendl; + continue; + } + if (only_devid.size() && devid != only_devid) { + continue; + } + + json_spirit::mValue smart_json; + if (block_device_get_metrics(dev, smart_timeout, + &smart_json)) { + dout(10) << "block_device_get_metrics failed for /dev/" << dev << dendl; + continue; + } + json_map[devid] = smart_json; + } + json_spirit::write(json_map, ss, json_spirit::pretty_print); +} + +bool OSD::heartbeat_dispatch(Message *m) +{ + dout(30) << "heartbeat_dispatch " << m << dendl; + switch (m->get_type()) { + + case CEPH_MSG_PING: + dout(10) << "ping from " << m->get_source_inst() << dendl; + m->put(); + break; + + case MSG_OSD_PING: + handle_osd_ping(static_cast<MOSDPing*>(m)); + break; + + default: + dout(0) << "dropping unexpected message " << *m << " from " << m->get_source_inst() << dendl; + m->put(); + } + + return true; +} + +bool OSD::ms_dispatch(Message *m) +{ + dout(20) << "OSD::ms_dispatch: " << *m << dendl; + if (m->get_type() == MSG_OSD_MARK_ME_DOWN) { + service.got_stop_ack(); + m->put(); + return true; + } + + // lock! + + osd_lock.lock(); + if (is_stopping()) { + osd_lock.unlock(); + m->put(); + return true; + } + + _dispatch(m); + + osd_lock.unlock(); + + return true; +} + +void OSDService::maybe_share_map( + Connection *con, + const OSDMapRef& osdmap, + epoch_t peer_epoch_lb) +{ + // NOTE: we assume caller hold something that keeps the Connection itself + // pinned (e.g., an OpRequest's MessageRef). + auto session = ceph::ref_cast<Session>(con->get_priv()); + if (!session) { + return; + } + + // assume the peer has the newer of the op's sent_epoch and what + // we think we sent them. + session->sent_epoch_lock.lock(); + if (peer_epoch_lb > session->last_sent_epoch) { + dout(10) << __func__ << " con " << con + << " " << con->get_peer_addr() + << " map epoch " << session->last_sent_epoch + << " -> " << peer_epoch_lb << " (as per caller)" << dendl; + session->last_sent_epoch = peer_epoch_lb; + } + epoch_t last_sent_epoch = session->last_sent_epoch; + session->sent_epoch_lock.unlock(); + + if (osdmap->get_epoch() <= last_sent_epoch) { + return; + } + + send_incremental_map(last_sent_epoch, con, osdmap); + last_sent_epoch = osdmap->get_epoch(); + + session->sent_epoch_lock.lock(); + if (session->last_sent_epoch < last_sent_epoch) { + dout(10) << __func__ << " con " << con + << " " << con->get_peer_addr() + << " map epoch " << session->last_sent_epoch + << " -> " << last_sent_epoch << " (shared)" << dendl; + session->last_sent_epoch = last_sent_epoch; + } + session->sent_epoch_lock.unlock(); +} + +void OSD::dispatch_session_waiting(const ceph::ref_t<Session>& session, OSDMapRef osdmap) +{ + ceph_assert(ceph_mutex_is_locked(session->session_dispatch_lock)); + + auto i = session->waiting_on_map.begin(); + while (i != session->waiting_on_map.end()) { + OpRequestRef op = &(*i); + ceph_assert(ms_can_fast_dispatch(op->get_req())); + auto m = op->get_req<MOSDFastDispatchOp>(); + if (m->get_min_epoch() > osdmap->get_epoch()) { + break; + } + session->waiting_on_map.erase(i++); + op->put(); + + spg_t pgid; + if (m->get_type() == CEPH_MSG_OSD_OP) { + pg_t actual_pgid = osdmap->raw_pg_to_pg( + static_cast<const MOSDOp*>(m)->get_pg()); + if (!osdmap->get_primary_shard(actual_pgid, &pgid)) { + continue; + } + } else { + pgid = m->get_spg(); + } + enqueue_op(pgid, std::move(op), m->get_map_epoch()); + } + + if (session->waiting_on_map.empty()) { + clear_session_waiting_on_map(session); + } else { + register_session_waiting_on_map(session); + } +} + +void OSD::ms_fast_dispatch(Message *m) +{ + FUNCTRACE(cct); + if (service.is_stopping()) { + m->put(); + return; + } + // peering event? + switch (m->get_type()) { + case CEPH_MSG_PING: + dout(10) << "ping from " << m->get_source() << dendl; + m->put(); + return; + case MSG_OSD_FORCE_RECOVERY: + handle_fast_force_recovery(static_cast<MOSDForceRecovery*>(m)); + return; + case MSG_OSD_SCRUB2: + handle_fast_scrub(static_cast<MOSDScrub2*>(m)); + return; + case MSG_OSD_PG_CREATE2: + return handle_fast_pg_create(static_cast<MOSDPGCreate2*>(m)); + case MSG_OSD_PG_NOTIFY: + return handle_fast_pg_notify(static_cast<MOSDPGNotify*>(m)); + case MSG_OSD_PG_INFO: + return handle_fast_pg_info(static_cast<MOSDPGInfo*>(m)); + case MSG_OSD_PG_REMOVE: + return handle_fast_pg_remove(static_cast<MOSDPGRemove*>(m)); + // these are single-pg messages that handle themselves + case MSG_OSD_PG_LOG: + case MSG_OSD_PG_TRIM: + case MSG_OSD_PG_NOTIFY2: + case MSG_OSD_PG_QUERY2: + case MSG_OSD_PG_INFO2: + case MSG_OSD_BACKFILL_RESERVE: + case MSG_OSD_RECOVERY_RESERVE: + case MSG_OSD_PG_LEASE: + case MSG_OSD_PG_LEASE_ACK: + { + MOSDPeeringOp *pm = static_cast<MOSDPeeringOp*>(m); + if (require_osd_peer(pm)) { + enqueue_peering_evt( + pm->get_spg(), + PGPeeringEventRef(pm->get_event())); + } + pm->put(); + return; + } + } + + OpRequestRef op = op_tracker.create_request<OpRequest, Message*>(m); + { +#ifdef WITH_LTTNG + osd_reqid_t reqid = op->get_reqid(); +#endif + tracepoint(osd, ms_fast_dispatch, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + op->osd_parent_span = tracing::osd::tracer.start_trace("op-request-created"); + + if (m->trace) + op->osd_trace.init("osd op", &trace_endpoint, &m->trace); + + // note sender epoch, min req's epoch + op->sent_epoch = static_cast<MOSDFastDispatchOp*>(m)->get_map_epoch(); + op->min_epoch = static_cast<MOSDFastDispatchOp*>(m)->get_min_epoch(); + ceph_assert(op->min_epoch <= op->sent_epoch); // sanity check! + + service.maybe_inject_dispatch_delay(); + + if (m->get_connection()->has_features(CEPH_FEATUREMASK_RESEND_ON_SPLIT) || + m->get_type() != CEPH_MSG_OSD_OP) { + // queue it directly + enqueue_op( + static_cast<MOSDFastDispatchOp*>(m)->get_spg(), + std::move(op), + static_cast<MOSDFastDispatchOp*>(m)->get_map_epoch()); + } else { + // legacy client, and this is an MOSDOp (the *only* fast dispatch + // message that didn't have an explicit spg_t); we need to map + // them to an spg_t while preserving delivery order. + auto priv = m->get_connection()->get_priv(); + if (auto session = static_cast<Session*>(priv.get()); session) { + std::lock_guard l{session->session_dispatch_lock}; + op->get(); + session->waiting_on_map.push_back(*op); + OSDMapRef nextmap = service.get_nextmap_reserved(); + dispatch_session_waiting(session, nextmap); + service.release_map(nextmap); + } + } + OID_EVENT_TRACE_WITH_MSG(m, "MS_FAST_DISPATCH_END", false); +} + +int OSD::ms_handle_fast_authentication(Connection *con) +{ + int ret = 0; + auto s = ceph::ref_cast<Session>(con->get_priv()); + if (!s) { + s = ceph::make_ref<Session>(cct, con); + con->set_priv(s); + s->entity_name = con->get_peer_entity_name(); + dout(10) << __func__ << " new session " << s << " con " << s->con + << " entity " << s->entity_name + << " addr " << con->get_peer_addrs() << dendl; + } else { + dout(10) << __func__ << " existing session " << s << " con " << s->con + << " entity " << s->entity_name + << " addr " << con->get_peer_addrs() << dendl; + } + + AuthCapsInfo &caps_info = con->get_peer_caps_info(); + if (caps_info.allow_all) { + s->caps.set_allow_all(); + } else if (caps_info.caps.length() > 0) { + bufferlist::const_iterator p = caps_info.caps.cbegin(); + string str; + try { + decode(str, p); + } + catch (ceph::buffer::error& e) { + dout(10) << __func__ << " session " << s << " " << s->entity_name + << " failed to decode caps string" << dendl; + ret = -EACCES; + } + if (!ret) { + bool success = s->caps.parse(str); + if (success) { + dout(10) << __func__ << " session " << s + << " " << s->entity_name + << " has caps " << s->caps << " '" << str << "'" << dendl; + ret = 1; + } else { + dout(10) << __func__ << " session " << s << " " << s->entity_name + << " failed to parse caps '" << str << "'" << dendl; + ret = -EACCES; + } + } + } + return ret; +} + +void OSD::_dispatch(Message *m) +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + dout(20) << "_dispatch " << m << " " << *m << dendl; + + switch (m->get_type()) { + // -- don't need OSDMap -- + + // map and replication + case CEPH_MSG_OSD_MAP: + handle_osd_map(static_cast<MOSDMap*>(m)); + break; + case MSG_MON_GET_PURGED_SNAPS_REPLY: + handle_get_purged_snaps_reply(static_cast<MMonGetPurgedSnapsReply*>(m)); + break; + + // osd + case MSG_COMMAND: + handle_command(static_cast<MCommand*>(m)); + return; + } +} + +void OSD::handle_fast_scrub(MOSDScrub2 *m) +{ + dout(10) << __func__ << " " << *m << dendl; + if (!require_mon_or_mgr_peer(m)) { + m->put(); + return; + } + if (m->fsid != monc->get_fsid()) { + dout(0) << __func__ << " fsid " << m->fsid << " != " << monc->get_fsid() + << dendl; + m->put(); + return; + } + for (auto pgid : m->scrub_pgs) { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + m->epoch, + m->epoch, + PeeringState::RequestScrub(m->deep, m->repair)))); + } + m->put(); +} + +bool OSD::scrub_random_backoff() +{ + bool coin_flip = (rand() / (double)RAND_MAX >= + cct->_conf->osd_scrub_backoff_ratio); + if (!coin_flip) { + dout(20) << "scrub_random_backoff lost coin flip, randomly backing off (ratio: " + << cct->_conf->osd_scrub_backoff_ratio << ")" << dendl; + return true; + } + return false; +} + + +void OSD::sched_scrub() +{ + auto& scrub_scheduler = service.get_scrub_services(); + + if (auto blocked_pgs = scrub_scheduler.get_blocked_pgs_count(); + blocked_pgs > 0) { + // some PGs managed by this OSD were blocked by a locked object during + // scrub. This means we might not have the resources needed to scrub now. + dout(10) + << fmt::format( + "{}: PGs are blocked while scrubbing due to locked objects ({} PGs)", + __func__, + blocked_pgs) + << dendl; + } + + // fail fast if no resources are available + if (!scrub_scheduler.can_inc_scrubs()) { + dout(20) << __func__ << ": OSD cannot inc scrubs" << dendl; + return; + } + + // if there is a PG that is just now trying to reserve scrub replica resources - + // we should wait and not initiate a new scrub + if (scrub_scheduler.is_reserving_now()) { + dout(20) << __func__ << ": scrub resources reservation in progress" << dendl; + return; + } + + Scrub::ScrubPreconds env_conditions; + + if (service.is_recovery_active() && !cct->_conf->osd_scrub_during_recovery) { + if (!cct->_conf->osd_repair_during_recovery) { + dout(15) << __func__ << ": not scheduling scrubs due to active recovery" + << dendl; + return; + } + dout(10) << __func__ + << " will only schedule explicitly requested repair due to active recovery" + << dendl; + env_conditions.allow_requested_repair_only = true; + } + + if (g_conf()->subsys.should_gather<ceph_subsys_osd, 20>()) { + dout(20) << __func__ << " sched_scrub starts" << dendl; + auto all_jobs = scrub_scheduler.list_registered_jobs(); + for (const auto& sj : all_jobs) { + dout(20) << "sched_scrub scrub-queue jobs: " << *sj << dendl; + } + } + + auto was_started = scrub_scheduler.select_pg_and_scrub(env_conditions); + dout(20) << "sched_scrub done (" << ScrubQueue::attempt_res_text(was_started) + << ")" << dendl; +} + +Scrub::schedule_result_t OSDService::initiate_a_scrub(spg_t pgid, + bool allow_requested_repair_only) +{ + dout(20) << __func__ << " trying " << pgid << dendl; + + // we have a candidate to scrub. We need some PG information to know if scrubbing is + // allowed + + PGRef pg = osd->lookup_lock_pg(pgid); + if (!pg) { + // the PG was dequeued in the short timespan between creating the candidates list + // (collect_ripe_jobs()) and here + dout(5) << __func__ << " pg " << pgid << " not found" << dendl; + return Scrub::schedule_result_t::no_such_pg; + } + + // This has already started, so go on to the next scrub job + if (pg->is_scrub_queued_or_active()) { + pg->unlock(); + dout(20) << __func__ << ": already in progress pgid " << pgid << dendl; + return Scrub::schedule_result_t::already_started; + } + // Skip other kinds of scrubbing if only explicitly requested repairing is allowed + if (allow_requested_repair_only && !pg->get_planned_scrub().must_repair) { + pg->unlock(); + dout(10) << __func__ << " skip " << pgid + << " because repairing is not explicitly requested on it" << dendl; + return Scrub::schedule_result_t::preconditions; + } + + auto scrub_attempt = pg->sched_scrub(); + pg->unlock(); + return scrub_attempt; +} + +void OSD::resched_all_scrubs() +{ + dout(10) << __func__ << ": start" << dendl; + auto all_jobs = service.get_scrub_services().list_registered_jobs(); + for (auto& e : all_jobs) { + + auto& job = *e; + dout(20) << __func__ << ": examine " << job.pgid << dendl; + + PGRef pg = _lookup_lock_pg(job.pgid); + if (!pg) + continue; + + if (!pg->get_planned_scrub().must_scrub && !pg->get_planned_scrub().need_auto) { + dout(15) << __func__ << ": reschedule " << job.pgid << dendl; + pg->reschedule_scrub(); + } + pg->unlock(); + } + dout(10) << __func__ << ": done" << dendl; +} + +MPGStats* OSD::collect_pg_stats() +{ + dout(15) << __func__ << dendl; + // This implementation unconditionally sends every is_primary PG's + // stats every time we're called. This has equivalent cost to the + // previous implementation's worst case where all PGs are busy and + // their stats are always enqueued for sending. + std::shared_lock l{map_lock}; + + osd_stat_t cur_stat = service.get_osd_stat(); + cur_stat.os_perf_stat = store->get_cur_stats(); + + auto m = new MPGStats(monc->get_fsid(), get_osdmap_epoch()); + m->osd_stat = cur_stat; + + std::lock_guard lec{min_last_epoch_clean_lock}; + min_last_epoch_clean = get_osdmap_epoch(); + min_last_epoch_clean_pgs.clear(); + + auto now_is = ceph::coarse_real_clock::now(); + + std::set<int64_t> pool_set; + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + auto pool = pg->pg_id.pgid.pool(); + pool_set.emplace((int64_t)pool); + if (!pg->is_primary()) { + continue; + } + pg->with_pg_stats(now_is, [&](const pg_stat_t& s, epoch_t lec) { + m->pg_stat[pg->pg_id.pgid] = s; + min_last_epoch_clean = std::min(min_last_epoch_clean, lec); + min_last_epoch_clean_pgs.push_back(pg->pg_id.pgid); + }); + } + store_statfs_t st; + bool per_pool_stats = true; + bool per_pool_omap_stats = false; + for (auto p : pool_set) { + int r = store->pool_statfs(p, &st, &per_pool_omap_stats); + if (r == -ENOTSUP) { + per_pool_stats = false; + break; + } else { + assert(r >= 0); + m->pool_stat[p] = st; + } + } + + // indicate whether we are reporting per-pool stats + m->osd_stat.num_osds = 1; + m->osd_stat.num_per_pool_osds = per_pool_stats ? 1 : 0; + m->osd_stat.num_per_pool_omap_osds = per_pool_omap_stats ? 1 : 0; + + return m; +} + +vector<DaemonHealthMetric> OSD::get_health_metrics() +{ + vector<DaemonHealthMetric> metrics; + { + utime_t oldest_secs; + const utime_t now = ceph_clock_now(); + auto too_old = now; + too_old -= cct->_conf.get_val<double>("osd_op_complaint_time"); + int slow = 0; + TrackedOpRef oldest_op; + OSDMapRef osdmap = get_osdmap(); + // map of slow op counts by slow op event type for an aggregated logging to + // the cluster log. + map<uint8_t, int> slow_op_types; + // map of slow op counts by pool for reporting a pool name with highest + // slow ops. + map<uint64_t, int> slow_op_pools; + bool log_aggregated_slow_op = + cct->_conf.get_val<bool>("osd_aggregated_slow_ops_logging"); + auto count_slow_ops = [&](TrackedOp& op) { + if (op.get_initiated() < too_old) { + stringstream ss; + ss << "slow request " << op.get_desc() + << " initiated " + << op.get_initiated() + << " currently " + << op.state_string(); + lgeneric_subdout(cct,osd,20) << ss.str() << dendl; + if (log_aggregated_slow_op) { + if (const OpRequest *req = dynamic_cast<const OpRequest *>(&op)) { + uint8_t op_type = req->state_flag(); + auto m = req->get_req<MOSDFastDispatchOp>(); + uint64_t poolid = m->get_spg().pgid.m_pool; + slow_op_types[op_type]++; + if (poolid > 0 && poolid <= (uint64_t) osdmap->get_pool_max()) { + slow_op_pools[poolid]++; + } + } + } else { + clog->warn() << ss.str(); + } + slow++; + if (!oldest_op || op.get_initiated() < oldest_op->get_initiated()) { + oldest_op = &op; + } + return true; + } else { + return false; + } + }; + if (op_tracker.visit_ops_in_flight(&oldest_secs, count_slow_ops)) { + if (slow) { + derr << __func__ << " reporting " << slow << " slow ops, oldest is " + << oldest_op->get_desc() << dendl; + if (log_aggregated_slow_op && + slow_op_types.size() > 0) { + stringstream ss; + ss << slow << " slow requests (by type [ "; + for (const auto& [op_type, count] : slow_op_types) { + ss << "'" << OpRequest::get_state_string(op_type) + << "' : " << count + << " "; + } + auto slow_pool_it = std::max_element(slow_op_pools.begin(), slow_op_pools.end(), + [](std::pair<uint64_t, int> p1, std::pair<uint64_t, int> p2) { + return p1.second < p2.second; + }); + if (osdmap->get_pools().find(slow_pool_it->first) != osdmap->get_pools().end()) { + string pool_name = osdmap->get_pool_name(slow_pool_it->first); + ss << "] most affected pool [ '" + << pool_name + << "' : " + << slow_pool_it->second + << " ])"; + } else { + ss << "])"; + } + lgeneric_subdout(cct,osd,20) << ss.str() << dendl; + clog->warn() << ss.str(); + } + } + metrics.emplace_back(daemon_metric::SLOW_OPS, slow, oldest_secs); + } else { + // no news is not good news. + metrics.emplace_back(daemon_metric::SLOW_OPS, 0, 0); + } + } + { + std::lock_guard l(pending_creates_lock); + auto n_primaries = pending_creates_from_mon; + for (const auto& create : pending_creates_from_osd) { + if (create.second) { + n_primaries++; + } + } + metrics.emplace_back(daemon_metric::PENDING_CREATING_PGS, n_primaries); + } + return metrics; +} + +// ===================================================== +// MAP +/** update_map + * assimilate new OSDMap(s). scan pgs, etc. + */ + +void OSD::note_down_osd(int peer) +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + cluster_messenger->mark_down_addrs(get_osdmap()->get_cluster_addrs(peer)); + + std::lock_guard l{heartbeat_lock}; + failure_queue.erase(peer); + failure_pending.erase(peer); + map<int,HeartbeatInfo>::iterator p = heartbeat_peers.find(peer); + if (p != heartbeat_peers.end()) { + p->second.clear_mark_down(); + heartbeat_peers.erase(p); + } +} + +void OSD::note_up_osd(int peer) +{ + heartbeat_set_peers_need_update(); +} + +struct C_OnMapCommit : public Context { + OSD *osd; + epoch_t first, last; + MOSDMap *msg; + C_OnMapCommit(OSD *o, epoch_t f, epoch_t l, MOSDMap *m) + : osd(o), first(f), last(l), msg(m) {} + void finish(int r) override { + osd->_committed_osd_maps(first, last, msg); + msg->put(); + } +}; + +void OSD::osdmap_subscribe(version_t epoch, bool force_request) +{ + std::lock_guard l(osdmap_subscribe_lock); + if (latest_subscribed_epoch >= epoch && !force_request) + return; + + latest_subscribed_epoch = std::max<uint64_t>(epoch, latest_subscribed_epoch); + + if (monc->sub_want_increment("osdmap", epoch, CEPH_SUBSCRIBE_ONETIME) || + force_request) { + monc->renew_subs(); + } +} + +void OSD::trim_maps(epoch_t oldest, int nreceived, bool skip_maps) +{ + epoch_t min = std::min(oldest, service.map_cache.cached_key_lower_bound()); + if (min <= superblock.oldest_map) + return; + + int num = 0; + ObjectStore::Transaction t; + for (epoch_t e = superblock.oldest_map; e < min; ++e) { + dout(20) << " removing old osdmap epoch " << e << dendl; + t.remove(coll_t::meta(), get_osdmap_pobject_name(e)); + t.remove(coll_t::meta(), get_inc_osdmap_pobject_name(e)); + superblock.oldest_map = e + 1; + num++; + if (num >= cct->_conf->osd_target_transaction_size && num >= nreceived) { + service.publish_superblock(superblock); + write_superblock(t); + int tr = store->queue_transaction(service.meta_ch, std::move(t), nullptr); + ceph_assert(tr == 0); + num = 0; + if (!skip_maps) { + // skip_maps leaves us with a range of old maps if we fail to remove all + // of them before moving superblock.oldest_map forward to the first map + // in the incoming MOSDMap msg. so we should continue removing them in + // this case, even we could do huge series of delete transactions all at + // once. + break; + } + } + } + if (num > 0) { + service.publish_superblock(superblock); + write_superblock(t); + int tr = store->queue_transaction(service.meta_ch, std::move(t), nullptr); + ceph_assert(tr == 0); + } + // we should not remove the cached maps + ceph_assert(min <= service.map_cache.cached_key_lower_bound()); +} + +void OSD::handle_osd_map(MOSDMap *m) +{ + // wait for pgs to catch up + { + // we extend the map cache pins to accomodate pgs slow to consume maps + // for some period, until we hit the max_lag_factor bound, at which point + // we block here to stop injesting more maps than they are able to keep + // up with. + epoch_t max_lag = cct->_conf->osd_map_cache_size * + m_osd_pg_epoch_max_lag_factor; + ceph_assert(max_lag > 0); + epoch_t osd_min = 0; + for (auto shard : shards) { + epoch_t min = shard->get_min_pg_epoch(); + if (osd_min == 0 || min < osd_min) { + osd_min = min; + } + } + epoch_t osdmap_epoch = get_osdmap_epoch(); + if (osd_min > 0 && + osdmap_epoch > max_lag && + osdmap_epoch - max_lag > osd_min) { + epoch_t need = osdmap_epoch - max_lag; + dout(10) << __func__ << " waiting for pgs to catch up (need " << need + << " max_lag " << max_lag << ")" << dendl; + for (auto shard : shards) { + epoch_t min = shard->get_min_pg_epoch(); + if (need > min) { + dout(10) << __func__ << " waiting for pgs to consume " << need + << " (shard " << shard->shard_id << " min " << min + << ", map cache is " << cct->_conf->osd_map_cache_size + << ", max_lag_factor " << m_osd_pg_epoch_max_lag_factor + << ")" << dendl; + unlock_guard unlock{osd_lock}; + shard->wait_min_pg_epoch(need); + } + } + } + } + + ceph_assert(ceph_mutex_is_locked(osd_lock)); + map<epoch_t,OSDMapRef> added_maps; + map<epoch_t,bufferlist> added_maps_bl; + if (m->fsid != monc->get_fsid()) { + dout(0) << "handle_osd_map fsid " << m->fsid << " != " + << monc->get_fsid() << dendl; + m->put(); + return; + } + if (is_initializing()) { + dout(0) << "ignoring osdmap until we have initialized" << dendl; + m->put(); + return; + } + + auto session = ceph::ref_cast<Session>(m->get_connection()->get_priv()); + if (session && !(session->entity_name.is_mon() || + session->entity_name.is_osd())) { + //not enough perms! + dout(10) << "got osd map from Session " << session + << " which we can't take maps from (not a mon or osd)" << dendl; + m->put(); + return; + } + + // share with the objecter + if (!is_preboot()) + service.objecter->handle_osd_map(m); + + epoch_t first = m->get_first(); + epoch_t last = m->get_last(); + dout(3) << "handle_osd_map epochs [" << first << "," << last << "], i have " + << superblock.newest_map + << ", src has [" << m->cluster_osdmap_trim_lower_bound + << "," << m->newest_map << "]" + << dendl; + + logger->inc(l_osd_map); + logger->inc(l_osd_mape, last - first + 1); + if (first <= superblock.newest_map) + logger->inc(l_osd_mape_dup, superblock.newest_map - first + 1); + + if (superblock.cluster_osdmap_trim_lower_bound < + m->cluster_osdmap_trim_lower_bound) { + superblock.cluster_osdmap_trim_lower_bound = + m->cluster_osdmap_trim_lower_bound; + dout(10) << " superblock cluster_osdmap_trim_lower_bound new epoch is: " + << superblock.cluster_osdmap_trim_lower_bound << dendl; + ceph_assert( + superblock.cluster_osdmap_trim_lower_bound >= superblock.oldest_map); + } + + // make sure there is something new, here, before we bother flushing + // the queues and such + if (last <= superblock.newest_map) { + dout(10) << " no new maps here, dropping" << dendl; + m->put(); + return; + } + + // missing some? + bool skip_maps = false; + if (first > superblock.newest_map + 1) { + dout(10) << "handle_osd_map message skips epochs " + << superblock.newest_map + 1 << ".." << (first-1) << dendl; + if (m->cluster_osdmap_trim_lower_bound <= superblock.newest_map + 1) { + osdmap_subscribe(superblock.newest_map + 1, false); + m->put(); + return; + } + // always try to get the full range of maps--as many as we can. this + // 1- is good to have + // 2- is at present the only way to ensure that we get a *full* map as + // the first map! + if (m->cluster_osdmap_trim_lower_bound < first) { + osdmap_subscribe(m->cluster_osdmap_trim_lower_bound - 1, true); + m->put(); + return; + } + skip_maps = true; + } + + ObjectStore::Transaction t; + uint64_t txn_size = 0; + + map<epoch_t,mempool::osdmap::map<int64_t,snap_interval_set_t>> purged_snaps; + + // store new maps: queue for disk and put in the osdmap cache + epoch_t start = std::max(superblock.newest_map + 1, first); + for (epoch_t e = start; e <= last; e++) { + if (txn_size >= t.get_num_bytes()) { + derr << __func__ << " transaction size overflowed" << dendl; + ceph_assert(txn_size < t.get_num_bytes()); + } + txn_size = t.get_num_bytes(); + map<epoch_t,bufferlist>::iterator p; + p = m->maps.find(e); + if (p != m->maps.end()) { + dout(10) << "handle_osd_map got full map for epoch " << e << dendl; + OSDMap *o = new OSDMap; + bufferlist& bl = p->second; + + o->decode(bl); + + purged_snaps[e] = o->get_new_purged_snaps(); + + ghobject_t fulloid = get_osdmap_pobject_name(e); + t.write(coll_t::meta(), fulloid, 0, bl.length(), bl); + added_maps[e] = add_map(o); + added_maps_bl[e] = bl; + got_full_map(e); + continue; + } + + p = m->incremental_maps.find(e); + if (p != m->incremental_maps.end()) { + dout(10) << "handle_osd_map got inc map for epoch " << e << dendl; + bufferlist& bl = p->second; + ghobject_t oid = get_inc_osdmap_pobject_name(e); + t.write(coll_t::meta(), oid, 0, bl.length(), bl); + + OSDMap *o = new OSDMap; + if (e > 1) { + bufferlist obl; + bool got = get_map_bl(e - 1, obl); + if (!got) { + auto p = added_maps_bl.find(e - 1); + ceph_assert(p != added_maps_bl.end()); + obl = p->second; + } + o->decode(obl); + } + + OSDMap::Incremental inc; + auto p = bl.cbegin(); + inc.decode(p); + + if (o->apply_incremental(inc) < 0) { + derr << "ERROR: bad fsid? i have " << get_osdmap()->get_fsid() << " and inc has " << inc.fsid << dendl; + ceph_abort_msg("bad fsid"); + } + + bufferlist fbl; + o->encode(fbl, inc.encode_features | CEPH_FEATURE_RESERVED); + + bool injected_failure = false; + if (cct->_conf->osd_inject_bad_map_crc_probability > 0 && + (rand() % 10000) < cct->_conf->osd_inject_bad_map_crc_probability*10000.0) { + derr << __func__ << " injecting map crc failure" << dendl; + injected_failure = true; + } + + if ((inc.have_crc && o->get_crc() != inc.full_crc) || injected_failure) { + dout(2) << "got incremental " << e + << " but failed to encode full with correct crc; requesting" + << dendl; + clog->warn() << "failed to encode map e" << e << " with expected crc"; + dout(20) << "my encoded map was:\n"; + fbl.hexdump(*_dout); + *_dout << dendl; + delete o; + request_full_map(e, last); + last = e - 1; + + // don't continue committing if we failed to enc the first inc map + if (last < start) { + dout(10) << __func__ << " bailing because last < start (" << last << "<" << start << ")" << dendl; + m->put(); + return; + } + break; + } + got_full_map(e); + purged_snaps[e] = o->get_new_purged_snaps(); + + ghobject_t fulloid = get_osdmap_pobject_name(e); + t.write(coll_t::meta(), fulloid, 0, fbl.length(), fbl); + added_maps[e] = add_map(o); + added_maps_bl[e] = fbl; + continue; + } + + ceph_abort_msg("MOSDMap lied about what maps it had?"); + } + + // even if this map isn't from a mon, we may have satisfied our subscription + monc->sub_got("osdmap", last); + + if (!m->maps.empty() && requested_full_first) { + dout(10) << __func__ << " still missing full maps " << requested_full_first + << ".." << requested_full_last << dendl; + rerequest_full_maps(); + } + + if (superblock.oldest_map) { + // make sure we at least keep pace with incoming maps + trim_maps(m->cluster_osdmap_trim_lower_bound, + last - first + 1, skip_maps); + pg_num_history.prune(superblock.oldest_map); + } + + if (!superblock.oldest_map || skip_maps) + superblock.oldest_map = first; + superblock.newest_map = last; + superblock.current_epoch = last; + + // note in the superblock that we were clean thru the prior epoch + epoch_t boot_epoch = service.get_boot_epoch(); + if (boot_epoch && boot_epoch >= superblock.mounted) { + superblock.mounted = boot_epoch; + superblock.clean_thru = last; + } + + // check for pg_num changes and deleted pools + OSDMapRef lastmap; + for (auto& i : added_maps) { + if (!lastmap) { + if (!(lastmap = service.try_get_map(i.first - 1))) { + dout(10) << __func__ << " can't get previous map " << i.first - 1 + << " probably first start of this osd" << dendl; + continue; + } + } + ceph_assert(lastmap->get_epoch() + 1 == i.second->get_epoch()); + for (auto& j : lastmap->get_pools()) { + if (!i.second->have_pg_pool(j.first)) { + pg_num_history.log_pool_delete(i.first, j.first); + dout(10) << __func__ << " recording final pg_pool_t for pool " + << j.first << dendl; + // this information is needed by _make_pg() if have to restart before + // the pool is deleted and need to instantiate a new (zombie) PG[Pool]. + ghobject_t obj = make_final_pool_info_oid(j.first); + bufferlist bl; + encode(j.second, bl, CEPH_FEATURES_ALL); + string name = lastmap->get_pool_name(j.first); + encode(name, bl); + map<string,string> profile; + if (lastmap->get_pg_pool(j.first)->is_erasure()) { + profile = lastmap->get_erasure_code_profile( + lastmap->get_pg_pool(j.first)->erasure_code_profile); + } + encode(profile, bl); + t.write(coll_t::meta(), obj, 0, bl.length(), bl); + } else if (unsigned new_pg_num = i.second->get_pg_num(j.first); + new_pg_num != j.second.get_pg_num()) { + dout(10) << __func__ << " recording pool " << j.first << " pg_num " + << j.second.get_pg_num() << " -> " << new_pg_num << dendl; + pg_num_history.log_pg_num_change(i.first, j.first, new_pg_num); + } + } + for (auto& j : i.second->get_pools()) { + if (!lastmap->have_pg_pool(j.first)) { + dout(10) << __func__ << " recording new pool " << j.first << " pg_num " + << j.second.get_pg_num() << dendl; + pg_num_history.log_pg_num_change(i.first, j.first, + j.second.get_pg_num()); + } + } + lastmap = i.second; + } + pg_num_history.epoch = last; + { + bufferlist bl; + ::encode(pg_num_history, bl); + t.write(coll_t::meta(), make_pg_num_history_oid(), 0, bl.length(), bl); + dout(20) << __func__ << " pg_num_history " << pg_num_history << dendl; + } + + // record new purged_snaps + if (superblock.purged_snaps_last == start - 1) { + OSDriver osdriver{store.get(), service.meta_ch, make_purged_snaps_oid()}; + SnapMapper::record_purged_snaps( + cct, + osdriver, + osdriver.get_transaction(&t), + purged_snaps); + superblock.purged_snaps_last = last; + } else { + dout(10) << __func__ << " superblock purged_snaps_last is " + << superblock.purged_snaps_last + << ", not recording new purged_snaps" << dendl; + } + + // superblock and commit + write_superblock(t); + t.register_on_commit(new C_OnMapCommit(this, start, last, m)); + store->queue_transaction( + service.meta_ch, + std::move(t)); + service.publish_superblock(superblock); +} + +void OSD::_committed_osd_maps(epoch_t first, epoch_t last, MOSDMap *m) +{ + dout(10) << __func__ << " " << first << ".." << last << dendl; + if (is_stopping()) { + dout(10) << __func__ << " bailing, we are shutting down" << dendl; + return; + } + std::lock_guard l(osd_lock); + if (is_stopping()) { + dout(10) << __func__ << " bailing, we are shutting down" << dendl; + return; + } + map_lock.lock(); + + ceph_assert(first <= last); + + bool do_shutdown = false; + bool do_restart = false; + bool network_error = false; + OSDMapRef osdmap = get_osdmap(); + + // advance through the new maps + for (epoch_t cur = first; cur <= last; cur++) { + dout(10) << " advance to epoch " << cur + << " (<= last " << last + << " <= newest_map " << superblock.newest_map + << ")" << dendl; + + OSDMapRef newmap = get_map(cur); + ceph_assert(newmap); // we just cached it above! + + // start blocklisting messages sent to peers that go down. + service.pre_publish_map(newmap); + + // kill connections to newly down osds + bool waited_for_reservations = false; + set<int> old; + osdmap = get_osdmap(); + osdmap->get_all_osds(old); + for (set<int>::iterator p = old.begin(); p != old.end(); ++p) { + if (*p != whoami && + osdmap->is_up(*p) && // in old map + newmap->is_down(*p)) { // but not the new one + if (!waited_for_reservations) { + service.await_reserved_maps(); + waited_for_reservations = true; + } + note_down_osd(*p); + } else if (*p != whoami && + osdmap->is_down(*p) && + newmap->is_up(*p)) { + note_up_osd(*p); + } + } + + if (osdmap->is_noup(whoami) != newmap->is_noup(whoami)) { + dout(10) << __func__ << " NOUP flag changed in " << newmap->get_epoch() + << dendl; + if (is_booting()) { + // this captures the case where we sent the boot message while + // NOUP was being set on the mon and our boot request was + // dropped, and then later it is cleared. it imperfectly + // handles the case where our original boot message was not + // dropped and we restart even though we might have booted, but + // that is harmless (boot will just take slightly longer). + do_restart = true; + } + } + + osdmap = std::move(newmap); + set_osdmap(osdmap); + epoch_t up_epoch; + epoch_t boot_epoch; + service.retrieve_epochs(&boot_epoch, &up_epoch, NULL); + if (!up_epoch && + osdmap->is_up(whoami) && + osdmap->get_addrs(whoami) == client_messenger->get_myaddrs()) { + up_epoch = osdmap->get_epoch(); + dout(10) << "up_epoch is " << up_epoch << dendl; + if (!boot_epoch) { + boot_epoch = osdmap->get_epoch(); + dout(10) << "boot_epoch is " << boot_epoch << dendl; + } + service.set_epochs(&boot_epoch, &up_epoch, NULL); + } + } + + epoch_t _bind_epoch = service.get_bind_epoch(); + if (osdmap->is_up(whoami) && + osdmap->get_addrs(whoami).legacy_equals( + client_messenger->get_myaddrs()) && + _bind_epoch < osdmap->get_up_from(whoami)) { + + if (is_booting()) { + dout(1) << "state: booting -> active" << dendl; + set_state(STATE_ACTIVE); + do_restart = false; + + // set incarnation so that osd_reqid_t's we generate for our + // objecter requests are unique across restarts. + service.objecter->set_client_incarnation(osdmap->get_epoch()); + cancel_pending_failures(); + } + } + + if (osdmap->get_epoch() > 0 && + is_active()) { + if (!osdmap->exists(whoami)) { + derr << "map says i do not exist. shutting down." << dendl; + do_shutdown = true; // don't call shutdown() while we have + // everything paused + } else if (osdmap->is_stop(whoami)) { + derr << "map says i am stopped by admin. shutting down." << dendl; + do_shutdown = true; + } else if (!osdmap->is_up(whoami) || + !osdmap->get_addrs(whoami).legacy_equals( + client_messenger->get_myaddrs()) || + !osdmap->get_cluster_addrs(whoami).legacy_equals( + cluster_messenger->get_myaddrs()) || + !osdmap->get_hb_back_addrs(whoami).legacy_equals( + hb_back_server_messenger->get_myaddrs()) || + !osdmap->get_hb_front_addrs(whoami).legacy_equals( + hb_front_server_messenger->get_myaddrs())) { + if (!osdmap->is_up(whoami)) { + if (service.is_preparing_to_stop() || service.is_stopping()) { + service.got_stop_ack(); + } else { + clog->warn() << "Monitor daemon marked osd." << whoami << " down, " + "but it is still running"; + clog->debug() << "map e" << osdmap->get_epoch() + << " wrongly marked me down at e" + << osdmap->get_down_at(whoami); + } + if (monc->monmap.min_mon_release >= ceph_release_t::octopus) { + // note that this is best-effort... + monc->send_mon_message( + new MOSDMarkMeDead( + monc->get_fsid(), + whoami, + osdmap->get_epoch())); + } + } else if (!osdmap->get_addrs(whoami).legacy_equals( + client_messenger->get_myaddrs())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong client addr (" << osdmap->get_addrs(whoami) + << " != my " << client_messenger->get_myaddrs() << ")"; + } else if (!osdmap->get_cluster_addrs(whoami).legacy_equals( + cluster_messenger->get_myaddrs())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong cluster addr (" + << osdmap->get_cluster_addrs(whoami) + << " != my " << cluster_messenger->get_myaddrs() << ")"; + } else if (!osdmap->get_hb_back_addrs(whoami).legacy_equals( + hb_back_server_messenger->get_myaddrs())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong heartbeat back addr (" + << osdmap->get_hb_back_addrs(whoami) + << " != my " << hb_back_server_messenger->get_myaddrs() + << ")"; + } else if (!osdmap->get_hb_front_addrs(whoami).legacy_equals( + hb_front_server_messenger->get_myaddrs())) { + clog->error() << "map e" << osdmap->get_epoch() + << " had wrong heartbeat front addr (" + << osdmap->get_hb_front_addrs(whoami) + << " != my " << hb_front_server_messenger->get_myaddrs() + << ")"; + } + + if (!service.is_stopping()) { + epoch_t up_epoch = 0; + epoch_t bind_epoch = osdmap->get_epoch(); + service.set_epochs(NULL,&up_epoch, &bind_epoch); + do_restart = true; + + //add markdown log + utime_t now = ceph_clock_now(); + utime_t grace = utime_t(cct->_conf->osd_max_markdown_period, 0); + osd_markdown_log.push_back(now); + if ((int)osd_markdown_log.size() > cct->_conf->osd_max_markdown_count) { + derr << __func__ << " marked down " + << osd_markdown_log.size() + << " > osd_max_markdown_count " + << cct->_conf->osd_max_markdown_count + << " in last " << grace << " seconds, shutting down" + << dendl; + do_restart = false; + do_shutdown = true; + } + + start_waiting_for_healthy(); + + set<int> avoid_ports; +#if defined(__FreeBSD__) + // prevent FreeBSD from grabbing the client_messenger port during + // rebinding. In which case a cluster_meesneger will connect also + // to the same port + client_messenger->get_myaddrs().get_ports(&avoid_ports); +#endif + cluster_messenger->get_myaddrs().get_ports(&avoid_ports); + + int r = cluster_messenger->rebind(avoid_ports); + if (r != 0) { + do_shutdown = true; // FIXME: do_restart? + network_error = true; + derr << __func__ << " marked down:" + << " rebind cluster_messenger failed" << dendl; + } + + hb_back_server_messenger->mark_down_all(); + hb_front_server_messenger->mark_down_all(); + hb_front_client_messenger->mark_down_all(); + hb_back_client_messenger->mark_down_all(); + + reset_heartbeat_peers(true); + } + } + } else if (osdmap->get_epoch() > 0 && osdmap->is_stop(whoami)) { + derr << "map says i am stopped by admin. shutting down." << dendl; + do_shutdown = true; + } + + map_lock.unlock(); + + check_osdmap_features(); + + // yay! + consume_map(); + + if (is_active() || is_waiting_for_healthy()) + maybe_update_heartbeat_peers(); + + if (is_active()) { + activate_map(); + } + + if (do_shutdown) { + if (network_error) { + cancel_pending_failures(); + } + // trigger shutdown in a different thread + dout(0) << __func__ << " shutdown OSD via async signal" << dendl; + queue_async_signal(SIGINT); + } + else if (m->newest_map && m->newest_map > last) { + dout(10) << " msg say newest map is " << m->newest_map + << ", requesting more" << dendl; + osdmap_subscribe(osdmap->get_epoch()+1, false); + } + else if (is_preboot()) { + if (m->get_source().is_mon()) + _preboot(m->cluster_osdmap_trim_lower_bound, m->newest_map); + else + start_boot(); + } + else if (do_restart) + start_boot(); + +} + +void OSD::check_osdmap_features() +{ + // adjust required feature bits? + + // we have to be a bit careful here, because we are accessing the + // Policy structures without taking any lock. in particular, only + // modify integer values that can safely be read by a racing CPU. + // since we are only accessing existing Policy structures a their + // current memory location, and setting or clearing bits in integer + // fields, and we are the only writer, this is not a problem. + + const auto osdmap = get_osdmap(); + { + Messenger::Policy p = client_messenger->get_default_policy(); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_CLIENT, &mask); + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << ", adjusting msgr requires for clients" << dendl; + p.features_required = (p.features_required & ~mask) | features; + client_messenger->set_default_policy(p); + } + } + { + Messenger::Policy p = client_messenger->get_policy(entity_name_t::TYPE_MON); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_MON, &mask); + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << " was " << p.features_required + << ", adjusting msgr requires for mons" << dendl; + p.features_required = (p.features_required & ~mask) | features; + client_messenger->set_policy(entity_name_t::TYPE_MON, p); + } + } + { + Messenger::Policy p = cluster_messenger->get_policy(entity_name_t::TYPE_OSD); + uint64_t mask; + uint64_t features = osdmap->get_features(entity_name_t::TYPE_OSD, &mask); + + if ((p.features_required & mask) != features) { + dout(0) << "crush map has features " << features + << ", adjusting msgr requires for osds" << dendl; + p.features_required = (p.features_required & ~mask) | features; + cluster_messenger->set_policy(entity_name_t::TYPE_OSD, p); + } + + if (!superblock.compat_features.incompat.contains(CEPH_OSD_FEATURE_INCOMPAT_SHARDS)) { + dout(0) << __func__ << " enabling on-disk ERASURE CODES compat feature" << dendl; + superblock.compat_features.incompat.insert(CEPH_OSD_FEATURE_INCOMPAT_SHARDS); + ObjectStore::Transaction t; + write_superblock(t); + int err = store->queue_transaction(service.meta_ch, std::move(t), NULL); + ceph_assert(err == 0); + } + } + + if (osdmap->require_osd_release < ceph_release_t::nautilus) { + hb_front_server_messenger->set_require_authorizer(false); + hb_back_server_messenger->set_require_authorizer(false); + } else { + hb_front_server_messenger->set_require_authorizer(true); + hb_back_server_messenger->set_require_authorizer(true); + } + + if (osdmap->require_osd_release != last_require_osd_release) { + dout(1) << __func__ << " require_osd_release " << last_require_osd_release + << " -> " << to_string(osdmap->require_osd_release) << dendl; + store->write_meta("require_osd_release", + stringify((int)osdmap->require_osd_release)); + last_require_osd_release = osdmap->require_osd_release; + } +} + +struct C_FinishSplits : public Context { + OSD *osd; + set<PGRef> pgs; + C_FinishSplits(OSD *osd, const set<PGRef> &in) + : osd(osd), pgs(in) {} + void finish(int r) override { + osd->_finish_splits(pgs); + } +}; + +void OSD::_finish_splits(set<PGRef>& pgs) +{ + dout(10) << __func__ << " " << pgs << dendl; + if (is_stopping()) + return; + for (set<PGRef>::iterator i = pgs.begin(); + i != pgs.end(); + ++i) { + PG *pg = i->get(); + + PeeringCtx rctx; + pg->lock(); + dout(10) << __func__ << " " << *pg << dendl; + epoch_t e = pg->get_osdmap_epoch(); + pg->handle_initialize(rctx); + pg->queue_null(e, e); + dispatch_context(rctx, pg, service.get_osdmap()); + pg->unlock(); + + unsigned shard_index = pg->pg_id.hash_to_shard(num_shards); + shards[shard_index]->register_and_wake_split_child(pg); + } +}; + +bool OSD::add_merge_waiter(OSDMapRef nextmap, spg_t target, PGRef src, + unsigned need) +{ + std::lock_guard l(merge_lock); + auto& p = merge_waiters[nextmap->get_epoch()][target]; + p[src->pg_id] = src; + dout(10) << __func__ << " added merge_waiter " << src->pg_id + << " for " << target << ", have " << p.size() << "/" << need + << dendl; + return p.size() == need; +} + +bool OSD::advance_pg( + epoch_t osd_epoch, + PG *pg, + ThreadPool::TPHandle &handle, + PeeringCtx &rctx) +{ + if (osd_epoch <= pg->get_osdmap_epoch()) { + return true; + } + ceph_assert(pg->is_locked()); + OSDMapRef lastmap = pg->get_osdmap(); + set<PGRef> new_pgs; // any split children + bool ret = true; + + unsigned old_pg_num = lastmap->have_pg_pool(pg->pg_id.pool()) ? + lastmap->get_pg_num(pg->pg_id.pool()) : 0; + for (epoch_t next_epoch = pg->get_osdmap_epoch() + 1; + next_epoch <= osd_epoch; + ++next_epoch) { + OSDMapRef nextmap = service.try_get_map(next_epoch); + if (!nextmap) { + dout(20) << __func__ << " missing map " << next_epoch << dendl; + continue; + } + + unsigned new_pg_num = + (old_pg_num && nextmap->have_pg_pool(pg->pg_id.pool())) ? + nextmap->get_pg_num(pg->pg_id.pool()) : 0; + if (old_pg_num && new_pg_num && old_pg_num != new_pg_num) { + // check for merge + if (nextmap->have_pg_pool(pg->pg_id.pool())) { + spg_t parent; + if (pg->pg_id.is_merge_source( + old_pg_num, + new_pg_num, + &parent)) { + // we are merge source + PGRef spg = pg; // carry a ref + dout(1) << __func__ << " " << pg->pg_id + << " is merge source, target is " << parent + << dendl; + pg->write_if_dirty(rctx); + if (!new_pgs.empty()) { + rctx.transaction.register_on_applied(new C_FinishSplits(this, + new_pgs)); + new_pgs.clear(); + } + dispatch_context(rctx, pg, pg->get_osdmap(), &handle); + pg->ch->flush(); + // release backoffs explicitly, since the on_shutdown path + // aggressively tears down backoff state. + if (pg->is_primary()) { + pg->release_pg_backoffs(); + } + pg->on_shutdown(); + OSDShard *sdata = pg->osd_shard; + { + std::lock_guard l(sdata->shard_lock); + if (pg->pg_slot) { + sdata->_detach_pg(pg->pg_slot); + // update pg count now since we might not get an osdmap + // any time soon. + if (pg->is_primary()) + logger->dec(l_osd_pg_primary); + else if (pg->is_nonprimary()) + logger->dec(l_osd_pg_replica); // misnomer + else + logger->dec(l_osd_pg_stray); + } + } + pg->unlock(); + + set<spg_t> children; + parent.is_split(new_pg_num, old_pg_num, &children); + if (add_merge_waiter(nextmap, parent, pg, children.size())) { + enqueue_peering_evt( + parent, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + nextmap->get_epoch(), + nextmap->get_epoch(), + NullEvt()))); + } + ret = false; + goto out; + } else if (pg->pg_id.is_merge_target(old_pg_num, new_pg_num)) { + // we are merge target + set<spg_t> children; + pg->pg_id.is_split(new_pg_num, old_pg_num, &children); + dout(20) << __func__ << " " << pg->pg_id + << " is merge target, sources are " << children + << dendl; + map<spg_t,PGRef> sources; + { + std::lock_guard l(merge_lock); + auto& s = merge_waiters[nextmap->get_epoch()][pg->pg_id]; + unsigned need = children.size(); + dout(20) << __func__ << " have " << s.size() << "/" + << need << dendl; + if (s.size() == need) { + sources.swap(s); + merge_waiters[nextmap->get_epoch()].erase(pg->pg_id); + if (merge_waiters[nextmap->get_epoch()].empty()) { + merge_waiters.erase(nextmap->get_epoch()); + } + } + } + if (!sources.empty()) { + unsigned new_pg_num = nextmap->get_pg_num(pg->pg_id.pool()); + unsigned split_bits = pg->pg_id.get_split_bits(new_pg_num); + dout(1) << __func__ << " merging " << pg->pg_id << dendl; + pg->merge_from( + sources, rctx, split_bits, + nextmap->get_pg_pool( + pg->pg_id.pool())->last_pg_merge_meta); + pg->pg_slot->waiting_for_merge_epoch = 0; + } else { + dout(20) << __func__ << " not ready to merge yet" << dendl; + pg->write_if_dirty(rctx); + if (!new_pgs.empty()) { + rctx.transaction.register_on_applied(new C_FinishSplits(this, + new_pgs)); + new_pgs.clear(); + } + dispatch_context(rctx, pg, pg->get_osdmap(), &handle); + pg->unlock(); + // kick source(s) to get them ready + for (auto& i : children) { + dout(20) << __func__ << " kicking source " << i << dendl; + enqueue_peering_evt( + i, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + nextmap->get_epoch(), + nextmap->get_epoch(), + NullEvt()))); + } + ret = false; + goto out; + } + } + } + } + + vector<int> newup, newacting; + int up_primary, acting_primary; + nextmap->pg_to_up_acting_osds( + pg->pg_id.pgid, + &newup, &up_primary, + &newacting, &acting_primary); + pg->handle_advance_map( + nextmap, lastmap, newup, up_primary, + newacting, acting_primary, rctx); + + auto oldpool = lastmap->get_pools().find(pg->pg_id.pool()); + auto newpool = nextmap->get_pools().find(pg->pg_id.pool()); + if (oldpool != lastmap->get_pools().end() + && newpool != nextmap->get_pools().end()) { + dout(20) << __func__ + << " new pool opts " << newpool->second.opts + << " old pool opts " << oldpool->second.opts + << dendl; + + double old_min_interval = 0, new_min_interval = 0; + oldpool->second.opts.get(pool_opts_t::SCRUB_MIN_INTERVAL, &old_min_interval); + newpool->second.opts.get(pool_opts_t::SCRUB_MIN_INTERVAL, &new_min_interval); + + double old_max_interval = 0, new_max_interval = 0; + oldpool->second.opts.get(pool_opts_t::SCRUB_MAX_INTERVAL, &old_max_interval); + newpool->second.opts.get(pool_opts_t::SCRUB_MAX_INTERVAL, &new_max_interval); + + // Assume if an interval is change from set to unset or vice versa the actual config + // is different. Keep it simple even if it is possible to call resched_all_scrub() + // unnecessarily. + if (old_min_interval != new_min_interval || old_max_interval != new_max_interval) { + pg->on_info_history_change(); + } + } + + if (new_pg_num && old_pg_num != new_pg_num) { + // check for split + set<spg_t> children; + if (pg->pg_id.is_split( + old_pg_num, + new_pg_num, + &children)) { + split_pgs( + pg, children, &new_pgs, lastmap, nextmap, + rctx); + } + } + + lastmap = nextmap; + old_pg_num = new_pg_num; + handle.reset_tp_timeout(); + } + pg->handle_activate_map(rctx); + + ret = true; + out: + if (!new_pgs.empty()) { + rctx.transaction.register_on_applied(new C_FinishSplits(this, new_pgs)); + } + return ret; +} + +void OSD::consume_map() +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + auto osdmap = get_osdmap(); + dout(20) << __func__ << " version " << osdmap->get_epoch() << dendl; + + /** make sure the cluster is speaking in SORTBITWISE, because we don't + * speak the older sorting version any more. Be careful not to force + * a shutdown if we are merely processing old maps, though. + */ + if (!osdmap->test_flag(CEPH_OSDMAP_SORTBITWISE) && is_active()) { + derr << __func__ << " SORTBITWISE flag is not set" << dendl; + ceph_abort(); + } + service.pre_publish_map(osdmap); + service.await_reserved_maps(); + service.publish_map(osdmap); + dout(20) << "consume_map " << osdmap->get_epoch() << " -- publish done" << dendl; + // prime splits and merges + set<pair<spg_t,epoch_t>> newly_split; // splits, and when + set<pair<spg_t,epoch_t>> merge_pgs; // merge participants, and when + for (auto& shard : shards) { + shard->identify_splits_and_merges(osdmap, &newly_split, &merge_pgs); + } + if (!newly_split.empty()) { + for (auto& shard : shards) { + shard->prime_splits(osdmap, &newly_split); + } + ceph_assert(newly_split.empty()); + } + + // prune sent_ready_to_merge + service.prune_sent_ready_to_merge(osdmap); + + // FIXME, maybe: We could race against an incoming peering message + // that instantiates a merge PG after identify_merges() below and + // never set up its peer to complete the merge. An OSD restart + // would clear it up. This is a hard race to resolve, + // extraordinarily rare (we only merge PGs that are stable and + // clean, so it'd have to be an imported PG to an OSD with a + // slightly stale OSDMap...), so I'm ignoring it for now. We plan to + // replace all of this with a seastar-based code soon anyway. + if (!merge_pgs.empty()) { + // mark the pgs we already have, or create new and empty merge + // participants for those we are missing. do this all under the + // shard lock so we don't have to worry about racing pg creates + // via _process. + for (auto& shard : shards) { + shard->prime_merges(osdmap, &merge_pgs); + } + ceph_assert(merge_pgs.empty()); + } + + service.prune_pg_created(); + + unsigned pushes_to_free = 0; + for (auto& shard : shards) { + shard->consume_map(osdmap, &pushes_to_free); + } + + vector<spg_t> pgids; + _get_pgids(&pgids); + + // count (FIXME, probably during seastar rewrite) + int num_pg_primary = 0, num_pg_replica = 0, num_pg_stray = 0; + vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + // FIXME (probably during seastar rewrite): this is lockless and + // racy, but we don't want to take pg lock here. + if (pg->is_primary()) + num_pg_primary++; + else if (pg->is_nonprimary()) + num_pg_replica++; // misnomer + else + num_pg_stray++; + } + + { + // FIXME (as part of seastar rewrite): move to OSDShard + std::lock_guard l(pending_creates_lock); + for (auto pg = pending_creates_from_osd.begin(); + pg != pending_creates_from_osd.end();) { + if (osdmap->get_pg_acting_role(pg->first, whoami) < 0) { + dout(10) << __func__ << " pg " << pg->first << " doesn't map here, " + << "discarding pending_create_from_osd" << dendl; + pg = pending_creates_from_osd.erase(pg); + } else { + ++pg; + } + } + } + + service.maybe_inject_dispatch_delay(); + + dispatch_sessions_waiting_on_map(); + + service.maybe_inject_dispatch_delay(); + + service.release_reserved_pushes(pushes_to_free); + + // queue null events to push maps down to individual PGs + for (auto pgid : pgids) { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + osdmap->get_epoch(), + osdmap->get_epoch(), + NullEvt()))); + } + logger->set(l_osd_pg, pgids.size()); + logger->set(l_osd_pg_primary, num_pg_primary); + logger->set(l_osd_pg_replica, num_pg_replica); + logger->set(l_osd_pg_stray, num_pg_stray); +} + +void OSD::activate_map() +{ + ceph_assert(ceph_mutex_is_locked(osd_lock)); + auto osdmap = get_osdmap(); + + dout(7) << "activate_map version " << osdmap->get_epoch() << dendl; + + // norecover? + if (osdmap->test_flag(CEPH_OSDMAP_NORECOVER)) { + if (!service.recovery_is_paused()) { + dout(1) << "pausing recovery (NORECOVER flag set)" << dendl; + service.pause_recovery(); + } + } else { + if (service.recovery_is_paused()) { + dout(1) << "unpausing recovery (NORECOVER flag unset)" << dendl; + service.unpause_recovery(); + } + } + + service.activate_map(); +} + +bool OSD::require_mon_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_mon()) { + dout(0) << "require_mon_peer received from non-mon " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +bool OSD::require_mon_or_mgr_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_mon() && + !m->get_connection()->peer_is_mgr()) { + dout(0) << "require_mon_or_mgr_peer received from non-mon, non-mgr " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +bool OSD::require_osd_peer(const Message *m) +{ + if (!m->get_connection()->peer_is_osd()) { + dout(0) << "require_osd_peer received from non-osd " + << m->get_connection()->get_peer_addr() + << " " << *m << dendl; + return false; + } + return true; +} + +// ---------------------------------------- +// pg creation + +void OSD::split_pgs( + PG *parent, + const set<spg_t> &childpgids, set<PGRef> *out_pgs, + OSDMapRef curmap, + OSDMapRef nextmap, + PeeringCtx &rctx) +{ + unsigned pg_num = nextmap->get_pg_num(parent->pg_id.pool()); + parent->update_snap_mapper_bits(parent->get_pgid().get_split_bits(pg_num)); + + vector<object_stat_sum_t> updated_stats; + parent->start_split_stats(childpgids, &updated_stats); + + vector<object_stat_sum_t>::iterator stat_iter = updated_stats.begin(); + for (set<spg_t>::const_iterator i = childpgids.begin(); + i != childpgids.end(); + ++i, ++stat_iter) { + ceph_assert(stat_iter != updated_stats.end()); + dout(10) << __func__ << " splitting " << *parent << " into " << *i << dendl; + PG* child = _make_pg(nextmap, *i); + child->lock(true); + out_pgs->insert(child); + child->ch = store->create_new_collection(child->coll); + + { + uint32_t shard_index = i->hash_to_shard(shards.size()); + assert(NULL != shards[shard_index]); + store->set_collection_commit_queue(child->coll, &(shards[shard_index]->context_queue)); + } + + unsigned split_bits = i->get_split_bits(pg_num); + dout(10) << " pg_num is " << pg_num + << ", m_seed " << i->ps() + << ", split_bits is " << split_bits << dendl; + parent->split_colls( + *i, + split_bits, + i->ps(), + &child->get_pgpool().info, + rctx.transaction); + parent->split_into( + i->pgid, + child, + split_bits); + + child->init_collection_pool_opts(); + + child->finish_split_stats(*stat_iter, rctx.transaction); + child->unlock(); + } + ceph_assert(stat_iter != updated_stats.end()); + parent->finish_split_stats(*stat_iter, rctx.transaction); +} + +// ---------------------------------------- +// peering and recovery + +void OSD::dispatch_context(PeeringCtx &ctx, PG *pg, OSDMapRef curmap, + ThreadPool::TPHandle *handle) +{ + if (!service.get_osdmap()->is_up(whoami)) { + dout(20) << __func__ << " not up in osdmap" << dendl; + } else if (!is_active()) { + dout(20) << __func__ << " not active" << dendl; + } else { + for (auto& [osd, ls] : ctx.message_map) { + if (!curmap->is_up(osd)) { + dout(20) << __func__ << " skipping down osd." << osd << dendl; + continue; + } + ConnectionRef con = service.get_con_osd_cluster( + osd, curmap->get_epoch()); + if (!con) { + dout(20) << __func__ << " skipping osd." << osd << " (NULL con)" + << dendl; + continue; + } + service.maybe_share_map(con.get(), curmap); + for (auto m : ls) { + con->send_message2(m); + } + ls.clear(); + } + } + if ((!ctx.transaction.empty() || ctx.transaction.has_contexts()) && pg) { + int tr = store->queue_transaction( + pg->ch, + std::move(ctx.transaction), TrackedOpRef(), + handle); + ceph_assert(tr == 0); + } +} + +void OSD::handle_fast_pg_create(MOSDPGCreate2 *m) +{ + dout(7) << __func__ << " " << *m << " from " << m->get_source() << dendl; + if (!require_mon_peer(m)) { + m->put(); + return; + } + for (auto& p : m->pgs) { + spg_t pgid = p.first; + epoch_t created = p.second.first; + utime_t created_stamp = p.second.second; + auto q = m->pg_extra.find(pgid); + if (q == m->pg_extra.end()) { + clog->error() << __func__ << " " << pgid << " e" << created + << "@" << created_stamp << " with no history or past_intervals" + << ", this should be impossible after octopus. Ignoring."; + } else { + dout(20) << __func__ << " " << pgid << " e" << created + << "@" << created_stamp + << " history " << q->second.first + << " pi " << q->second.second << dendl; + if (!q->second.second.empty() && + m->epoch < q->second.second.get_bounds().second) { + clog->error() << "got pg_create on " << pgid << " epoch " << m->epoch + << " and unmatched past_intervals " << q->second.second + << " (history " << q->second.first << ")"; + } else { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + m->epoch, + m->epoch, + NullEvt(), + true, + new PGCreateInfo( + pgid, + m->epoch, + q->second.first, + q->second.second, + true) + ))); + } + } + } + + { + std::lock_guard l(pending_creates_lock); + if (pending_creates_from_mon == 0) { + last_pg_create_epoch = m->epoch; + } + } + + m->put(); +} + +void OSD::handle_fast_pg_notify(MOSDPGNotify* m) +{ + dout(7) << __func__ << " " << *m << " from " << m->get_source() << dendl; + if (!require_osd_peer(m)) { + m->put(); + return; + } + int from = m->get_source().num(); + for (auto& p : m->get_pg_list()) { + spg_t pgid(p.info.pgid.pgid, p.to); + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + p.epoch_sent, + p.query_epoch, + MNotifyRec( + pgid, pg_shard_t(from, p.from), + p, + m->get_connection()->get_features()), + true, + new PGCreateInfo( + pgid, + p.query_epoch, + p.info.history, + p.past_intervals, + false) + ))); + } + m->put(); +} + +void OSD::handle_fast_pg_info(MOSDPGInfo* m) +{ + dout(7) << __func__ << " " << *m << " from " << m->get_source() << dendl; + if (!require_osd_peer(m)) { + m->put(); + return; + } + int from = m->get_source().num(); + for (auto& p : m->pg_list) { + enqueue_peering_evt( + spg_t(p.info.pgid.pgid, p.to), + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + p.epoch_sent, p.query_epoch, + MInfoRec( + pg_shard_t(from, p.from), + p.info, + p.epoch_sent))) + ); + } + m->put(); +} + +void OSD::handle_fast_pg_remove(MOSDPGRemove *m) +{ + dout(7) << __func__ << " " << *m << " from " << m->get_source() << dendl; + if (!require_osd_peer(m)) { + m->put(); + return; + } + for (auto& pgid : m->pg_list) { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + m->get_epoch(), m->get_epoch(), + PeeringState::DeleteStart()))); + } + m->put(); +} + +void OSD::handle_fast_force_recovery(MOSDForceRecovery *m) +{ + dout(10) << __func__ << " " << *m << dendl; + if (!require_mon_or_mgr_peer(m)) { + m->put(); + return; + } + epoch_t epoch = get_osdmap_epoch(); + for (auto pgid : m->forced_pgs) { + if (m->options & OFR_BACKFILL) { + if (m->options & OFR_CANCEL) { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, epoch, + PeeringState::UnsetForceBackfill()))); + } else { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, epoch, + PeeringState::SetForceBackfill()))); + } + } else if (m->options & OFR_RECOVERY) { + if (m->options & OFR_CANCEL) { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, epoch, + PeeringState::UnsetForceRecovery()))); + } else { + enqueue_peering_evt( + pgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, epoch, + PeeringState::SetForceRecovery()))); + } + } + } + m->put(); +} + +void OSD::handle_pg_query_nopg(const MQuery& q) +{ + spg_t pgid = q.pgid; + dout(10) << __func__ << " " << pgid << dendl; + + OSDMapRef osdmap = get_osdmap(); + if (!osdmap->have_pg_pool(pgid.pool())) + return; + + dout(10) << " pg " << pgid << " dne" << dendl; + pg_info_t empty(spg_t(pgid.pgid, q.query.to)); + ConnectionRef con = service.get_con_osd_cluster(q.from.osd, osdmap->get_epoch()); + if (con) { + Message *m; + if (q.query.type == pg_query_t::LOG || + q.query.type == pg_query_t::FULLLOG) { + m = new MOSDPGLog( + q.query.from, q.query.to, + osdmap->get_epoch(), empty, + q.query.epoch_sent); + } else { + pg_notify_t notify{q.query.from, q.query.to, + q.query.epoch_sent, + osdmap->get_epoch(), + empty, + PastIntervals()}; + m = new MOSDPGNotify2(spg_t{pgid.pgid, q.query.from}, + std::move(notify)); + } + service.maybe_share_map(con.get(), osdmap); + con->send_message(m); + } +} + +void OSDService::queue_check_readable(spg_t spgid, + epoch_t lpr, + ceph::signedspan delay) +{ + if (delay == ceph::signedspan::zero()) { + osd->enqueue_peering_evt( + spgid, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + lpr, lpr, + PeeringState::CheckReadable()))); + } else { + mono_timer.add_event( + delay, + [this, spgid, lpr]() { + queue_check_readable(spgid, lpr); + }); + } +} + + +// ========================================================= +// RECOVERY + +void OSDService::_maybe_queue_recovery() { + ceph_assert(ceph_mutex_is_locked_by_me(recovery_lock)); + uint64_t available_pushes; + while (!awaiting_throttle.empty() && + _recover_now(&available_pushes)) { + uint64_t to_start = std::min( + available_pushes, + cct->_conf->osd_recovery_max_single_start); + _queue_for_recovery(awaiting_throttle.front(), to_start); + awaiting_throttle.pop_front(); + dout(10) << __func__ << " starting " << to_start + << ", recovery_ops_reserved " << recovery_ops_reserved + << " -> " << (recovery_ops_reserved + to_start) << dendl; + recovery_ops_reserved += to_start; + } +} + +bool OSDService::_recover_now(uint64_t *available_pushes) +{ + if (available_pushes) + *available_pushes = 0; + + if (ceph_clock_now() < defer_recovery_until) { + dout(15) << __func__ << " defer until " << defer_recovery_until << dendl; + return false; + } + + if (recovery_paused) { + dout(15) << __func__ << " paused" << dendl; + return false; + } + + uint64_t max = osd->get_recovery_max_active(); + if (max <= recovery_ops_active + recovery_ops_reserved) { + dout(15) << __func__ << " active " << recovery_ops_active + << " + reserved " << recovery_ops_reserved + << " >= max " << max << dendl; + return false; + } + + if (available_pushes) + *available_pushes = max - recovery_ops_active - recovery_ops_reserved; + + return true; +} + +unsigned OSDService::get_target_pg_log_entries() const +{ + auto num_pgs = osd->get_num_pgs(); + auto target = cct->_conf->osd_target_pg_log_entries_per_osd; + if (num_pgs > 0 && target > 0) { + // target an even spread of our budgeted log entries across all + // PGs. note that while we only get to control the entry count + // for primary PGs, we'll normally be responsible for a mix of + // primary and replica PGs (for the same pool(s) even), so this + // will work out. + return std::max<unsigned>( + std::min<unsigned>(target / num_pgs, + cct->_conf->osd_max_pg_log_entries), + cct->_conf->osd_min_pg_log_entries); + } else { + // fall back to a per-pg value. + return cct->_conf->osd_min_pg_log_entries; + } +} + +void OSD::do_recovery( + PG *pg, epoch_t queued, uint64_t reserved_pushes, int priority, + ThreadPool::TPHandle &handle) +{ + uint64_t started = 0; + + /* + * When the value of osd_recovery_sleep is set greater than zero, recovery + * ops are scheduled after osd_recovery_sleep amount of time from the previous + * recovery event's schedule time. This is done by adding a + * recovery_requeue_callback event, which re-queues the recovery op using + * queue_recovery_after_sleep. + */ + float recovery_sleep = get_osd_recovery_sleep(); + { + std::lock_guard l(service.sleep_lock); + if (recovery_sleep > 0 && service.recovery_needs_sleep) { + PGRef pgref(pg); + auto recovery_requeue_callback = new LambdaContext( + [this, pgref, queued, reserved_pushes, priority](int r) { + dout(20) << "do_recovery wake up at " + << ceph_clock_now() + << ", re-queuing recovery" << dendl; + std::lock_guard l(service.sleep_lock); + service.recovery_needs_sleep = false; + service.queue_recovery_after_sleep(pgref.get(), queued, reserved_pushes, priority); + }); + + // This is true for the first recovery op and when the previous recovery op + // has been scheduled in the past. The next recovery op is scheduled after + // completing the sleep from now. + + if (auto now = ceph::real_clock::now(); + service.recovery_schedule_time < now) { + service.recovery_schedule_time = now; + } + service.recovery_schedule_time += ceph::make_timespan(recovery_sleep); + service.sleep_timer.add_event_at(service.recovery_schedule_time, + recovery_requeue_callback); + dout(20) << "Recovery event scheduled at " + << service.recovery_schedule_time << dendl; + return; + } + } + + { + { + std::lock_guard l(service.sleep_lock); + service.recovery_needs_sleep = true; + } + + if (pg->pg_has_reset_since(queued)) { + goto out; + } + + dout(10) << "do_recovery starting " << reserved_pushes << " " << *pg << dendl; +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active was " << service.recovery_oids[pg->pg_id] << dendl; +#endif + + bool do_unfound = pg->start_recovery_ops(reserved_pushes, handle, &started); + dout(10) << "do_recovery started " << started << "/" << reserved_pushes + << " on " << *pg << dendl; + + if (do_unfound) { + PeeringCtx rctx; + rctx.handle = &handle; + pg->find_unfound(queued, rctx); + dispatch_context(rctx, pg, pg->get_osdmap()); + } + } + + out: + ceph_assert(started <= reserved_pushes); + service.release_reserved_pushes(reserved_pushes); +} + +void OSDService::start_recovery_op(PG *pg, const hobject_t& soid) +{ + std::lock_guard l(recovery_lock); + dout(10) << "start_recovery_op " << *pg << " " << soid + << " (" << recovery_ops_active << "/" + << osd->get_recovery_max_active() << " rops)" + << dendl; + recovery_ops_active++; + +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active was " << recovery_oids[pg->pg_id] << dendl; + ceph_assert(recovery_oids[pg->pg_id].count(soid) == 0); + recovery_oids[pg->pg_id].insert(soid); +#endif +} + +void OSDService::finish_recovery_op(PG *pg, const hobject_t& soid, bool dequeue) +{ + std::lock_guard l(recovery_lock); + dout(10) << "finish_recovery_op " << *pg << " " << soid + << " dequeue=" << dequeue + << " (" << recovery_ops_active << "/" + << osd->get_recovery_max_active() << " rops)" + << dendl; + + // adjust count + ceph_assert(recovery_ops_active > 0); + recovery_ops_active--; + +#ifdef DEBUG_RECOVERY_OIDS + dout(20) << " active oids was " << recovery_oids[pg->pg_id] << dendl; + ceph_assert(recovery_oids[pg->pg_id].count(soid)); + recovery_oids[pg->pg_id].erase(soid); +#endif + + _maybe_queue_recovery(); +} + +bool OSDService::is_recovery_active() +{ + if (cct->_conf->osd_debug_pretend_recovery_active) { + return true; + } + return local_reserver.has_reservation() || remote_reserver.has_reservation(); +} + +void OSDService::release_reserved_pushes(uint64_t pushes) +{ + std::lock_guard l(recovery_lock); + dout(10) << __func__ << "(" << pushes << "), recovery_ops_reserved " + << recovery_ops_reserved << " -> " << (recovery_ops_reserved-pushes) + << dendl; + ceph_assert(recovery_ops_reserved >= pushes); + recovery_ops_reserved -= pushes; + _maybe_queue_recovery(); +} + +// ========================================================= +// OPS + +bool OSD::op_is_discardable(const MOSDOp *op) +{ + // drop client request if they are not connected and can't get the + // reply anyway. + if (!op->get_connection()->is_connected()) { + return true; + } + return false; +} + +void OSD::enqueue_op(spg_t pg, OpRequestRef&& op, epoch_t epoch) +{ + const utime_t stamp = op->get_req()->get_recv_stamp(); + const utime_t latency = ceph_clock_now() - stamp; + const unsigned priority = op->get_req()->get_priority(); + const int cost = op->get_req()->get_cost(); + const uint64_t owner = op->get_req()->get_source().num(); + const int type = op->get_req()->get_type(); + + dout(15) << "enqueue_op " << *op->get_req() << " prio " << priority + << " type " << type + << " cost " << cost + << " latency " << latency + << " epoch " << epoch + << " " << *(op->get_req()) << dendl; + op->osd_trace.event("enqueue op"); + op->osd_trace.keyval("priority", priority); + op->osd_trace.keyval("cost", cost); + + auto enqueue_span = tracing::osd::tracer.add_span(__func__, op->osd_parent_span); + enqueue_span->AddEvent(__func__, { + {"priority", priority}, + {"cost", cost}, + {"epoch", epoch}, + {"owner", owner}, + {"type", type} + }); + + op->mark_queued_for_pg(); + logger->tinc(l_osd_op_before_queue_op_lat, latency); + if (PGRecoveryMsg::is_recovery_msg(op)) { + op_shardedwq.queue( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>(new PGRecoveryMsg(pg, std::move(op))), + cost, priority, stamp, owner, epoch)); + } else { + op_shardedwq.queue( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>(new PGOpItem(pg, std::move(op))), + cost, priority, stamp, owner, epoch)); + } +} + +void OSD::enqueue_peering_evt(spg_t pgid, PGPeeringEventRef evt) +{ + dout(15) << __func__ << " " << pgid << " " << evt->get_desc() << dendl; + op_shardedwq.queue( + OpSchedulerItem( + unique_ptr<OpSchedulerItem::OpQueueable>(new PGPeeringItem(pgid, evt)), + 10, + cct->_conf->osd_peering_op_priority, + utime_t(), + 0, + evt->get_epoch_sent())); +} + +/* + * NOTE: dequeue called in worker thread, with pg lock + */ +void OSD::dequeue_op( + PGRef pg, OpRequestRef op, + ThreadPool::TPHandle &handle) +{ + const Message *m = op->get_req(); + + FUNCTRACE(cct); + OID_EVENT_TRACE_WITH_MSG(m, "DEQUEUE_OP_BEGIN", false); + + utime_t now = ceph_clock_now(); + op->set_dequeued_time(now); + + utime_t latency = now - m->get_recv_stamp(); + dout(10) << "dequeue_op " << *op->get_req() + << " prio " << m->get_priority() + << " cost " << m->get_cost() + << " latency " << latency + << " " << *m + << " pg " << *pg << dendl; + + logger->tinc(l_osd_op_before_dequeue_op_lat, latency); + + service.maybe_share_map(m->get_connection().get(), + pg->get_osdmap(), + op->sent_epoch); + + if (pg->is_deleting()) + return; + + op->mark_reached_pg(); + op->osd_trace.event("dequeue_op"); + + pg->do_request(op, handle); + + // finish + dout(10) << "dequeue_op " << *op->get_req() << " finish" << dendl; + OID_EVENT_TRACE_WITH_MSG(m, "DEQUEUE_OP_END", false); +} + + +void OSD::dequeue_peering_evt( + OSDShard *sdata, + PG *pg, + PGPeeringEventRef evt, + ThreadPool::TPHandle& handle) +{ + auto curmap = sdata->get_osdmap(); + bool need_up_thru = false; + epoch_t same_interval_since = 0; + if (!pg) { + if (const MQuery *q = dynamic_cast<const MQuery*>(evt->evt.get())) { + handle_pg_query_nopg(*q); + } else { + derr << __func__ << " unrecognized pg-less event " << evt->get_desc() << dendl; + ceph_abort(); + } + } else if (PeeringCtx rctx; + advance_pg(curmap->get_epoch(), pg, handle, rctx)) { + pg->do_peering_event(evt, rctx); + if (pg->is_deleted()) { + pg->unlock(); + return; + } + dispatch_context(rctx, pg, curmap, &handle); + need_up_thru = pg->get_need_up_thru(); + same_interval_since = pg->get_same_interval_since(); + pg->unlock(); + } + + if (need_up_thru) { + queue_want_up_thru(same_interval_since); + } + + service.send_pg_temp(); +} + +void OSD::dequeue_delete( + OSDShard *sdata, + PG *pg, + epoch_t e, + ThreadPool::TPHandle& handle) +{ + dequeue_peering_evt( + sdata, + pg, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + e, e, + PeeringState::DeleteSome())), + handle); +} + + + +// -------------------------------- + +const char** OSD::get_tracked_conf_keys() const +{ + static const char* KEYS[] = { + "osd_max_backfills", + "osd_min_recovery_priority", + "osd_max_trimming_pgs", + "osd_op_complaint_time", + "osd_op_log_threshold", + "osd_op_history_size", + "osd_op_history_duration", + "osd_op_history_slow_op_size", + "osd_op_history_slow_op_threshold", + "osd_enable_op_tracker", + "osd_map_cache_size", + "osd_pg_epoch_max_lag_factor", + "osd_pg_epoch_persisted_max_stale", + "osd_recovery_sleep", + "osd_recovery_sleep_hdd", + "osd_recovery_sleep_ssd", + "osd_recovery_sleep_hybrid", + "osd_delete_sleep", + "osd_delete_sleep_hdd", + "osd_delete_sleep_ssd", + "osd_delete_sleep_hybrid", + "osd_snap_trim_sleep", + "osd_snap_trim_sleep_hdd", + "osd_snap_trim_sleep_ssd", + "osd_snap_trim_sleep_hybrid", + "osd_scrub_sleep", + "osd_recovery_max_active", + "osd_recovery_max_active_hdd", + "osd_recovery_max_active_ssd", + // clog & admin clog + "clog_to_monitors", + "clog_to_syslog", + "clog_to_syslog_facility", + "clog_to_syslog_level", + "osd_objectstore_fuse", + "clog_to_graylog", + "clog_to_graylog_host", + "clog_to_graylog_port", + "host", + "fsid", + "osd_recovery_delay_start", + "osd_client_message_size_cap", + "osd_client_message_cap", + "osd_heartbeat_min_size", + "osd_heartbeat_interval", + "osd_object_clean_region_max_num_intervals", + "osd_scrub_min_interval", + "osd_scrub_max_interval", + NULL + }; + return KEYS; +} + +void OSD::handle_conf_change(const ConfigProxy& conf, + const std::set <std::string> &changed) +{ + std::lock_guard l{osd_lock}; + + if (changed.count("osd_max_backfills") || + changed.count("osd_recovery_max_active") || + changed.count("osd_recovery_max_active_hdd") || + changed.count("osd_recovery_max_active_ssd")) { + if (!maybe_override_options_for_qos(&changed) && + changed.count("osd_max_backfills")) { + // Scheduler is not "mclock". Fallback to earlier behavior + service.local_reserver.set_max(cct->_conf->osd_max_backfills); + service.remote_reserver.set_max(cct->_conf->osd_max_backfills); + } + } + if (changed.count("osd_delete_sleep") || + changed.count("osd_delete_sleep_hdd") || + changed.count("osd_delete_sleep_ssd") || + changed.count("osd_delete_sleep_hybrid") || + changed.count("osd_snap_trim_sleep") || + changed.count("osd_snap_trim_sleep_hdd") || + changed.count("osd_snap_trim_sleep_ssd") || + changed.count("osd_snap_trim_sleep_hybrid") || + changed.count("osd_scrub_sleep") || + changed.count("osd_recovery_sleep") || + changed.count("osd_recovery_sleep_hdd") || + changed.count("osd_recovery_sleep_ssd") || + changed.count("osd_recovery_sleep_hybrid")) { + maybe_override_sleep_options_for_qos(); + } + if (changed.count("osd_pg_delete_cost")) { + maybe_override_cost_for_qos(); + } + if (changed.count("osd_min_recovery_priority")) { + service.local_reserver.set_min_priority(cct->_conf->osd_min_recovery_priority); + service.remote_reserver.set_min_priority(cct->_conf->osd_min_recovery_priority); + } + if (changed.count("osd_max_trimming_pgs")) { + service.snap_reserver.set_max(cct->_conf->osd_max_trimming_pgs); + } + if (changed.count("osd_op_complaint_time") || + changed.count("osd_op_log_threshold")) { + op_tracker.set_complaint_and_threshold(cct->_conf->osd_op_complaint_time, + cct->_conf->osd_op_log_threshold); + } + if (changed.count("osd_op_history_size") || + changed.count("osd_op_history_duration")) { + op_tracker.set_history_size_and_duration(cct->_conf->osd_op_history_size, + cct->_conf->osd_op_history_duration); + } + if (changed.count("osd_op_history_slow_op_size") || + changed.count("osd_op_history_slow_op_threshold")) { + op_tracker.set_history_slow_op_size_and_threshold(cct->_conf->osd_op_history_slow_op_size, + cct->_conf->osd_op_history_slow_op_threshold); + } + if (changed.count("osd_enable_op_tracker")) { + op_tracker.set_tracking(cct->_conf->osd_enable_op_tracker); + } + if (changed.count("osd_map_cache_size")) { + service.map_cache.set_size(cct->_conf->osd_map_cache_size); + service.map_bl_cache.set_size(cct->_conf->osd_map_cache_size); + service.map_bl_inc_cache.set_size(cct->_conf->osd_map_cache_size); + } + if (changed.count("clog_to_monitors") || + changed.count("clog_to_syslog") || + changed.count("clog_to_syslog_level") || + changed.count("clog_to_syslog_facility") || + changed.count("clog_to_graylog") || + changed.count("clog_to_graylog_host") || + changed.count("clog_to_graylog_port") || + changed.count("host") || + changed.count("fsid")) { + update_log_config(); + } + if (changed.count("osd_pg_epoch_max_lag_factor")) { + m_osd_pg_epoch_max_lag_factor = conf.get_val<double>( + "osd_pg_epoch_max_lag_factor"); + } + +#ifdef HAVE_LIBFUSE + if (changed.count("osd_objectstore_fuse")) { + if (store) { + enable_disable_fuse(false); + } + } +#endif + + if (changed.count("osd_recovery_delay_start")) { + service.defer_recovery(cct->_conf->osd_recovery_delay_start); + service.kick_recovery_queue(); + } + + if (changed.count("osd_client_message_cap")) { + uint64_t newval = cct->_conf->osd_client_message_cap; + Messenger::Policy pol = client_messenger->get_policy(entity_name_t::TYPE_CLIENT); + if (pol.throttler_messages) { + pol.throttler_messages->reset_max(newval); + } + } + if (changed.count("osd_client_message_size_cap")) { + uint64_t newval = cct->_conf->osd_client_message_size_cap; + Messenger::Policy pol = client_messenger->get_policy(entity_name_t::TYPE_CLIENT); + if (pol.throttler_bytes) { + pol.throttler_bytes->reset_max(newval); + } + } + if (changed.count("osd_object_clean_region_max_num_intervals")) { + ObjectCleanRegions::set_max_num_intervals(cct->_conf->osd_object_clean_region_max_num_intervals); + } + + if (changed.count("osd_scrub_min_interval") || + changed.count("osd_scrub_max_interval")) { + resched_all_scrubs(); + dout(0) << __func__ << ": scrub interval change" << dendl; + } + check_config(); + if (changed.count("osd_asio_thread_count")) { + service.poolctx.stop(); + service.poolctx.start(conf.get_val<std::uint64_t>("osd_asio_thread_count")); + } +} + +void OSD::maybe_override_max_osd_capacity_for_qos() +{ + // If the scheduler enabled is mclock, override the default + // osd capacity with the value obtained from running the + // osd bench test. This is later used to setup mclock. + if ((cct->_conf.get_val<std::string>("osd_op_queue") == "mclock_scheduler") && + (cct->_conf.get_val<bool>("osd_mclock_skip_benchmark") == false) && + (!unsupported_objstore_for_qos())) { + std::string max_capacity_iops_config; + bool force_run_benchmark = + cct->_conf.get_val<bool>("osd_mclock_force_run_benchmark_on_init"); + + if (store_is_rotational) { + max_capacity_iops_config = "osd_mclock_max_capacity_iops_hdd"; + } else { + max_capacity_iops_config = "osd_mclock_max_capacity_iops_ssd"; + } + + double default_iops = 0.0; + double cur_iops = 0.0; + if (!force_run_benchmark) { + // Get the current osd iops capacity + cur_iops = cct->_conf.get_val<double>(max_capacity_iops_config); + + // Get the default max iops capacity + auto val = cct->_conf.get_val_default(max_capacity_iops_config); + if (!val.has_value()) { + derr << __func__ << " Unable to determine default value of " + << max_capacity_iops_config << dendl; + // Cannot determine default iops. Force a run of the OSD benchmark. + force_run_benchmark = true; + } else { + // Default iops + default_iops = std::stod(val.value()); + } + + // Determine if we really need to run the osd benchmark + if (!force_run_benchmark && (default_iops != cur_iops)) { + dout(1) << __func__ << std::fixed << std::setprecision(2) + << " default_iops: " << default_iops + << " cur_iops: " << cur_iops + << ". Skip OSD benchmark test." << dendl; + return; + } + } + + // Run osd bench: write 100 4MiB objects with blocksize 4KiB + int64_t count = 12288000; // Count of bytes to write + int64_t bsize = 4096; // Block size + int64_t osize = 4194304; // Object size + int64_t onum = 100; // Count of objects to write + double elapsed = 0.0; // Time taken to complete the test + double iops = 0.0; + stringstream ss; + int ret = run_osd_bench_test(count, bsize, osize, onum, &elapsed, ss); + if (ret != 0) { + derr << __func__ + << " osd bench err: " << ret + << " osd bench errstr: " << ss.str() + << dendl; + return; + } + + double rate = count / elapsed; + iops = rate / bsize; + dout(1) << __func__ + << " osd bench result -" + << std::fixed << std::setprecision(3) + << " bandwidth (MiB/sec): " << rate / (1024 * 1024) + << " iops: " << iops + << " elapsed_sec: " << elapsed + << dendl; + + // Get the threshold IOPS set for the underlying hdd/ssd. + double threshold_iops = 0.0; + if (store_is_rotational) { + threshold_iops = cct->_conf.get_val<double>( + "osd_mclock_iops_capacity_threshold_hdd"); + } else { + threshold_iops = cct->_conf.get_val<double>( + "osd_mclock_iops_capacity_threshold_ssd"); + } + + // Persist the iops value to the MON store or throw cluster warning + // if the measured iops exceeds the set threshold. If the iops exceed + // the threshold, the default value is used. + if (iops > threshold_iops) { + clog->warn() << "OSD bench result of " << std::to_string(iops) + << " IOPS exceeded the threshold limit of " + << std::to_string(threshold_iops) << " IOPS for osd." + << std::to_string(whoami) << ". IOPS capacity is unchanged" + << " at " << std::to_string(cur_iops) << " IOPS. The" + << " recommendation is to establish the osd's IOPS capacity" + << " using other benchmark tools (e.g. Fio) and then" + << " override osd_mclock_max_capacity_iops_[hdd|ssd]."; + } else { + mon_cmd_set_config(max_capacity_iops_config, std::to_string(iops)); + } + } +} + +bool OSD::maybe_override_options_for_qos(const std::set<std::string> *changed) +{ + // Override options only if the scheduler enabled is mclock and the + // underlying objectstore is supported by mclock + if (cct->_conf.get_val<std::string>("osd_op_queue") == "mclock_scheduler" && + !unsupported_objstore_for_qos()) { + static const std::map<std::string, uint64_t> recovery_qos_defaults { + {"osd_recovery_max_active", 0}, + {"osd_recovery_max_active_hdd", 3}, + {"osd_recovery_max_active_ssd", 10}, + {"osd_max_backfills", 1}, + }; + + // Check if we were called because of a configuration change + if (changed != nullptr) { + if (cct->_conf.get_val<bool>("osd_mclock_override_recovery_settings")) { + if (changed->count("osd_max_backfills")) { + dout(1) << __func__ << " Set local and remote max backfills to " + << cct->_conf->osd_max_backfills << dendl; + service.local_reserver.set_max(cct->_conf->osd_max_backfills); + service.remote_reserver.set_max(cct->_conf->osd_max_backfills); + } + } else { + // Recovery options change was attempted without setting + // the 'osd_mclock_override_recovery_settings' option. + // Find the key to remove from the configuration db. + std::string key; + if (changed->count("osd_max_backfills")) { + key = "osd_max_backfills"; + } else if (changed->count("osd_recovery_max_active")) { + key = "osd_recovery_max_active"; + } else if (changed->count("osd_recovery_max_active_hdd")) { + key = "osd_recovery_max_active_hdd"; + } else if (changed->count("osd_recovery_max_active_ssd")) { + key = "osd_recovery_max_active_ssd"; + } else { + // No key that we are interested in. Return. + return true; + } + + // Remove the current entry from the configuration if + // different from its default value. + auto val = recovery_qos_defaults.find(key); + if (val != recovery_qos_defaults.end() && + cct->_conf.get_val<uint64_t>(key) != val->second) { + static const std::vector<std::string> osds = { + "osd", + "osd." + std::to_string(whoami) + }; + + for (auto osd : osds) { + std::string cmd = + "{" + "\"prefix\": \"config rm\", " + "\"who\": \"" + osd + "\", " + "\"name\": \"" + key + "\"" + "}"; + vector<std::string> vcmd{cmd}; + + dout(1) << __func__ << " Removing Key: " << key + << " for " << osd << " from Mon db" << dendl; + monc->start_mon_command(vcmd, {}, nullptr, nullptr, nullptr); + } + + // Raise a cluster warning indicating that the changes did not + // take effect and indicate the reason why. + clog->warn() << "Change to " << key << " on osd." + << std::to_string(whoami) << " did not take effect." + << " Enable osd_mclock_override_recovery_settings before" + << " setting this option."; + } + } + } else { // if (changed != nullptr) (osd boot-up) + /** + * This section is executed only during osd boot-up. + * Override the default recovery max active (hdd & ssd) and max backfills + * config options to either the mClock defaults or retain their respective + * overridden values before the osd was restarted. + */ + for (auto opt : recovery_qos_defaults) { + /** + * Note: set_val_default doesn't overwrite an option if it was earlier + * set at a config level greater than CONF_DEFAULT. It doesn't return + * a status. With get_val(), the config subsystem is guaranteed to + * either return the overridden value (if any) or the default value. + */ + cct->_conf.set_val_default(opt.first, std::to_string(opt.second)); + auto opt_val = cct->_conf.get_val<uint64_t>(opt.first); + dout(1) << __func__ << " " + << opt.first << " set to " << opt_val + << dendl; + if (opt.first == "osd_max_backfills") { + service.local_reserver.set_max(opt_val); + service.remote_reserver.set_max(opt_val); + } + } + } + return true; + } + return false; +} + +void OSD::maybe_override_sleep_options_for_qos() +{ + // Override options only if the scheduler enabled is mclock and the + // underlying objectstore is supported by mclock + if (cct->_conf.get_val<std::string>("osd_op_queue") == "mclock_scheduler" && + !unsupported_objstore_for_qos()) { + + // Override the various sleep settings + // Disable recovery sleep + cct->_conf.set_val("osd_recovery_sleep", std::to_string(0)); + cct->_conf.set_val("osd_recovery_sleep_hdd", std::to_string(0)); + cct->_conf.set_val("osd_recovery_sleep_ssd", std::to_string(0)); + cct->_conf.set_val("osd_recovery_sleep_hybrid", std::to_string(0)); + + // Disable delete sleep + cct->_conf.set_val("osd_delete_sleep", std::to_string(0)); + cct->_conf.set_val("osd_delete_sleep_hdd", std::to_string(0)); + cct->_conf.set_val("osd_delete_sleep_ssd", std::to_string(0)); + cct->_conf.set_val("osd_delete_sleep_hybrid", std::to_string(0)); + + // Disable snap trim sleep + cct->_conf.set_val("osd_snap_trim_sleep", std::to_string(0)); + cct->_conf.set_val("osd_snap_trim_sleep_hdd", std::to_string(0)); + cct->_conf.set_val("osd_snap_trim_sleep_ssd", std::to_string(0)); + cct->_conf.set_val("osd_snap_trim_sleep_hybrid", std::to_string(0)); + + // Disable scrub sleep + cct->_conf.set_val("osd_scrub_sleep", std::to_string(0)); + } +} + +void OSD::maybe_override_cost_for_qos() +{ + // If the scheduler enabled is mclock, override the default PG deletion cost + // so that mclock can meet the QoS goals. + if (cct->_conf.get_val<std::string>("osd_op_queue") == "mclock_scheduler" && + !unsupported_objstore_for_qos()) { + uint64_t pg_delete_cost = 15728640; + cct->_conf.set_val("osd_pg_delete_cost", std::to_string(pg_delete_cost)); + } +} + +/** + * A context for receiving status from a background mon command to set + * a config option and optionally apply the changes on each op shard. + */ +class MonCmdSetConfigOnFinish : public Context { + OSD *osd; + CephContext *cct; + std::string key; + std::string val; + bool update_shard; +public: + explicit MonCmdSetConfigOnFinish( + OSD *o, + CephContext *cct, + const std::string &k, + const std::string &v, + const bool s) + : osd(o), cct(cct), key(k), val(v), update_shard(s) {} + void finish(int r) override { + if (r != 0) { + // Fallback to setting the config within the in-memory "values" map. + cct->_conf.set_val_default(key, val); + } + + // If requested, apply this option on the + // active scheduler of each op shard. + if (update_shard) { + for (auto& shard : osd->shards) { + shard->update_scheduler_config(); + } + } + } +}; + +void OSD::mon_cmd_set_config(const std::string &key, const std::string &val) +{ + std::string cmd = + "{" + "\"prefix\": \"config set\", " + "\"who\": \"osd." + std::to_string(whoami) + "\", " + "\"name\": \"" + key + "\", " + "\"value\": \"" + val + "\"" + "}"; + vector<std::string> vcmd{cmd}; + + // List of config options to be distributed across each op shard. + // Currently limited to a couple of mClock options. + static const std::vector<std::string> shard_option = + { "osd_mclock_max_capacity_iops_hdd", "osd_mclock_max_capacity_iops_ssd" }; + const bool update_shard = std::find(shard_option.begin(), + shard_option.end(), + key) != shard_option.end(); + + auto on_finish = new MonCmdSetConfigOnFinish(this, cct, key, + val, update_shard); + dout(10) << __func__ << " Set " << key << " = " << val << dendl; + monc->start_mon_command(vcmd, {}, nullptr, nullptr, on_finish); +} + +bool OSD::unsupported_objstore_for_qos() +{ + static const std::vector<std::string> unsupported_objstores = { "filestore" }; + return std::find(unsupported_objstores.begin(), + unsupported_objstores.end(), + store->get_type()) != unsupported_objstores.end(); +} + +void OSD::update_log_config() +{ + auto parsed_options = clog->parse_client_options(cct); + derr << "log_to_monitors " << parsed_options.log_to_monitors << dendl; +} + +void OSD::check_config() +{ + // some sanity checks + if (cct->_conf->osd_map_cache_size <= (int)cct->_conf->osd_pg_epoch_persisted_max_stale + 2) { + clog->warn() << "osd_map_cache_size (" << cct->_conf->osd_map_cache_size << ")" + << " is not > osd_pg_epoch_persisted_max_stale (" + << cct->_conf->osd_pg_epoch_persisted_max_stale << ")"; + } + if (cct->_conf->osd_object_clean_region_max_num_intervals < 0) { + clog->warn() << "osd_object_clean_region_max_num_intervals (" + << cct->_conf->osd_object_clean_region_max_num_intervals + << ") is < 0"; + } +} + +// -------------------------------- + +void OSD::get_latest_osdmap() +{ + dout(10) << __func__ << " -- start" << dendl; + + boost::system::error_code ec; + service.objecter->wait_for_latest_osdmap(ceph::async::use_blocked[ec]); + + dout(10) << __func__ << " -- finish" << dendl; +} + +// -------------------------------- + +void OSD::set_perf_queries(const ConfigPayload &config_payload) { + const OSDConfigPayload &osd_config_payload = boost::get<OSDConfigPayload>(config_payload); + const std::map<OSDPerfMetricQuery, OSDPerfMetricLimits> &queries = osd_config_payload.config; + dout(10) << "setting " << queries.size() << " queries" << dendl; + + std::list<OSDPerfMetricQuery> supported_queries; + for (auto &it : queries) { + auto &query = it.first; + if (!query.key_descriptor.empty()) { + supported_queries.push_back(query); + } + } + if (supported_queries.size() < queries.size()) { + dout(1) << queries.size() - supported_queries.size() + << " unsupported queries" << dendl; + } + { + std::lock_guard locker{m_perf_queries_lock}; + m_perf_queries = supported_queries; + m_perf_limits = queries; + } + std::vector<PGRef> pgs; + _get_pgs(&pgs); + for (auto& pg : pgs) { + std::scoped_lock l{*pg}; + pg->set_dynamic_perf_stats_queries(supported_queries); + } +} + +MetricPayload OSD::get_perf_reports() { + OSDMetricPayload payload; + std::map<OSDPerfMetricQuery, OSDPerfMetricReport> &reports = payload.report; + + std::vector<PGRef> pgs; + _get_pgs(&pgs); + DynamicPerfStats dps; + for (auto& pg : pgs) { + // m_perf_queries can be modified only in set_perf_queries by mgr client + // request, and it is protected by by mgr client's lock, which is held + // when set_perf_queries/get_perf_reports are called, so we may not hold + // m_perf_queries_lock here. + DynamicPerfStats pg_dps(m_perf_queries); + pg->lock(); + pg->get_dynamic_perf_stats(&pg_dps); + pg->unlock(); + dps.merge(pg_dps); + } + dps.add_to_reports(m_perf_limits, &reports); + dout(20) << "reports for " << reports.size() << " queries" << dendl; + + return payload; +} + +// ============================================================= + +#undef dout_context +#define dout_context cct +#undef dout_prefix +#define dout_prefix *_dout << "osd." << osd->get_nodeid() << ":" << shard_id << "." << __func__ << " " + +void OSDShard::_attach_pg(OSDShardPGSlot *slot, PG *pg) +{ + dout(10) << pg->pg_id << " " << pg << dendl; + slot->pg = pg; + pg->osd_shard = this; + pg->pg_slot = slot; + osd->inc_num_pgs(); + + slot->epoch = pg->get_osdmap_epoch(); + pg_slots_by_epoch.insert(*slot); +} + +void OSDShard::_detach_pg(OSDShardPGSlot *slot) +{ + dout(10) << slot->pg->pg_id << " " << slot->pg << dendl; + slot->pg->osd_shard = nullptr; + slot->pg->pg_slot = nullptr; + slot->pg = nullptr; + osd->dec_num_pgs(); + + pg_slots_by_epoch.erase(pg_slots_by_epoch.iterator_to(*slot)); + slot->epoch = 0; + if (waiting_for_min_pg_epoch) { + min_pg_epoch_cond.notify_all(); + } +} + +void OSDShard::update_pg_epoch(OSDShardPGSlot *slot, epoch_t e) +{ + std::lock_guard l(shard_lock); + dout(30) << "min was " << pg_slots_by_epoch.begin()->epoch + << " on " << pg_slots_by_epoch.begin()->pg->pg_id << dendl; + pg_slots_by_epoch.erase(pg_slots_by_epoch.iterator_to(*slot)); + dout(20) << slot->pg->pg_id << " " << slot->epoch << " -> " << e << dendl; + slot->epoch = e; + pg_slots_by_epoch.insert(*slot); + dout(30) << "min is now " << pg_slots_by_epoch.begin()->epoch + << " on " << pg_slots_by_epoch.begin()->pg->pg_id << dendl; + if (waiting_for_min_pg_epoch) { + min_pg_epoch_cond.notify_all(); + } +} + +epoch_t OSDShard::get_min_pg_epoch() +{ + std::lock_guard l(shard_lock); + auto p = pg_slots_by_epoch.begin(); + if (p == pg_slots_by_epoch.end()) { + return 0; + } + return p->epoch; +} + +void OSDShard::wait_min_pg_epoch(epoch_t need) +{ + std::unique_lock l{shard_lock}; + ++waiting_for_min_pg_epoch; + min_pg_epoch_cond.wait(l, [need, this] { + if (pg_slots_by_epoch.empty()) { + return true; + } else if (pg_slots_by_epoch.begin()->epoch >= need) { + return true; + } else { + dout(10) << need << " waiting on " + << pg_slots_by_epoch.begin()->epoch << dendl; + return false; + } + }); + --waiting_for_min_pg_epoch; +} + +epoch_t OSDShard::get_max_waiting_epoch() +{ + std::lock_guard l(shard_lock); + epoch_t r = 0; + for (auto& i : pg_slots) { + if (!i.second->waiting_peering.empty()) { + r = std::max(r, i.second->waiting_peering.rbegin()->first); + } + } + return r; +} + +void OSDShard::consume_map( + const OSDMapRef& new_osdmap, + unsigned *pushes_to_free) +{ + std::lock_guard l(shard_lock); + OSDMapRef old_osdmap; + { + std::lock_guard l(osdmap_lock); + old_osdmap = std::move(shard_osdmap); + shard_osdmap = new_osdmap; + } + dout(10) << new_osdmap->get_epoch() + << " (was " << (old_osdmap ? old_osdmap->get_epoch() : 0) << ")" + << dendl; + int queued = 0; + + // check slots + auto p = pg_slots.begin(); + while (p != pg_slots.end()) { + OSDShardPGSlot *slot = p->second.get(); + const spg_t& pgid = p->first; + dout(20) << __func__ << " " << pgid << dendl; + if (!slot->waiting_for_split.empty()) { + dout(20) << __func__ << " " << pgid + << " waiting for split " << slot->waiting_for_split << dendl; + ++p; + continue; + } + if (slot->waiting_for_merge_epoch > new_osdmap->get_epoch()) { + dout(20) << __func__ << " " << pgid + << " waiting for merge by epoch " << slot->waiting_for_merge_epoch + << dendl; + ++p; + continue; + } + if (!slot->waiting_peering.empty()) { + epoch_t first = slot->waiting_peering.begin()->first; + if (first <= new_osdmap->get_epoch()) { + dout(20) << __func__ << " " << pgid + << " pending_peering first epoch " << first + << " <= " << new_osdmap->get_epoch() << ", requeueing" << dendl; + queued += _wake_pg_slot(pgid, slot); + } + ++p; + continue; + } + if (!slot->waiting.empty()) { + if (new_osdmap->is_up_acting_osd_shard(pgid, osd->get_nodeid())) { + dout(20) << __func__ << " " << pgid << " maps to us, keeping" + << dendl; + ++p; + continue; + } + while (!slot->waiting.empty() && + slot->waiting.front().get_map_epoch() <= new_osdmap->get_epoch()) { + auto& qi = slot->waiting.front(); + dout(20) << __func__ << " " << pgid + << " waiting item " << qi + << " epoch " << qi.get_map_epoch() + << " <= " << new_osdmap->get_epoch() + << ", " + << (qi.get_map_epoch() < new_osdmap->get_epoch() ? "stale" : + "misdirected") + << ", dropping" << dendl; + *pushes_to_free += qi.get_reserved_pushes(); + slot->waiting.pop_front(); + } + } + if (slot->waiting.empty() && + slot->num_running == 0 && + slot->waiting_for_split.empty() && + !slot->pg) { + dout(20) << __func__ << " " << pgid << " empty, pruning" << dendl; + p = pg_slots.erase(p); + continue; + } + + ++p; + } + if (queued) { + std::lock_guard l{sdata_wait_lock}; + if (queued == 1) + sdata_cond.notify_one(); + else + sdata_cond.notify_all(); + } +} + +int OSDShard::_wake_pg_slot( + spg_t pgid, + OSDShardPGSlot *slot) +{ + int count = 0; + dout(20) << __func__ << " " << pgid + << " to_process " << slot->to_process + << " waiting " << slot->waiting + << " waiting_peering " << slot->waiting_peering << dendl; + for (auto i = slot->to_process.rbegin(); + i != slot->to_process.rend(); + ++i) { + scheduler->enqueue_front(std::move(*i)); + count++; + } + slot->to_process.clear(); + for (auto i = slot->waiting.rbegin(); + i != slot->waiting.rend(); + ++i) { + scheduler->enqueue_front(std::move(*i)); + count++; + } + slot->waiting.clear(); + for (auto i = slot->waiting_peering.rbegin(); + i != slot->waiting_peering.rend(); + ++i) { + // this is overkill; we requeue everything, even if some of these + // items are waiting for maps we don't have yet. FIXME, maybe, + // someday, if we decide this inefficiency matters + for (auto j = i->second.rbegin(); j != i->second.rend(); ++j) { + scheduler->enqueue_front(std::move(*j)); + count++; + } + } + slot->waiting_peering.clear(); + ++slot->requeue_seq; + return count; +} + +void OSDShard::identify_splits_and_merges( + const OSDMapRef& as_of_osdmap, + set<pair<spg_t,epoch_t>> *split_pgs, + set<pair<spg_t,epoch_t>> *merge_pgs) +{ + std::lock_guard l(shard_lock); + dout(20) << __func__ << " " << pg_slots.size() << " slots" << dendl; + if (shard_osdmap) { + for (auto& i : pg_slots) { + dout(20) << __func__ << " slot pgid:" << i.first << "slot:" << i.second.get() << dendl; + const spg_t& pgid = i.first; + auto *slot = i.second.get(); + if (slot->pg) { + osd->service.identify_splits_and_merges( + shard_osdmap, as_of_osdmap, pgid, + split_pgs, merge_pgs); + } else if (!slot->waiting_for_split.empty()) { + osd->service.identify_splits_and_merges( + shard_osdmap, as_of_osdmap, pgid, + split_pgs, nullptr); + } else { + dout(20) << __func__ << " slot " << pgid + << " has no pg and waiting_for_split " << dendl; + } + } + } + dout(20) << __func__ << " " << split_pgs->size() << " splits, " + << merge_pgs->size() << " merges" << dendl; +} + +void OSDShard::prime_splits(const OSDMapRef& as_of_osdmap, + set<pair<spg_t,epoch_t>> *pgids) +{ + std::lock_guard l(shard_lock); + _prime_splits(pgids); + if (shard_osdmap->get_epoch() > as_of_osdmap->get_epoch()) { + set<pair<spg_t,epoch_t>> newer_children; + for (auto i : *pgids) { + osd->service.identify_splits_and_merges( + as_of_osdmap, shard_osdmap, i.first, + &newer_children, nullptr); + } + newer_children.insert(pgids->begin(), pgids->end()); + dout(10) << "as_of_osdmap " << as_of_osdmap->get_epoch() << " < shard " + << shard_osdmap->get_epoch() << ", new children " << newer_children + << dendl; + _prime_splits(&newer_children); + // note: we don't care what is left over here for other shards. + // if this shard is ahead of us and one isn't, e.g., one thread is + // calling into prime_splits via _process (due to a newly created + // pg) and this shard has a newer map due to a racing consume_map, + // then any grandchildren left here will be identified (or were + // identified) when the slower shard's osdmap is advanced. + // _prime_splits() will tolerate the case where the pgid is + // already primed. + } +} + +void OSDShard::_prime_splits(set<pair<spg_t,epoch_t>> *pgids) +{ + dout(10) << *pgids << dendl; + auto p = pgids->begin(); + while (p != pgids->end()) { + unsigned shard_index = p->first.hash_to_shard(osd->num_shards); + if (shard_index == shard_id) { + auto r = pg_slots.emplace(p->first, nullptr); + if (r.second) { + dout(10) << "priming slot " << p->first << " e" << p->second << dendl; + r.first->second = make_unique<OSDShardPGSlot>(); + r.first->second->waiting_for_split.insert(p->second); + } else { + auto q = r.first; + ceph_assert(q != pg_slots.end()); + dout(10) << "priming (existing) slot " << p->first << " e" << p->second + << dendl; + q->second->waiting_for_split.insert(p->second); + } + p = pgids->erase(p); + } else { + ++p; + } + } +} + +void OSDShard::prime_merges(const OSDMapRef& as_of_osdmap, + set<pair<spg_t,epoch_t>> *merge_pgs) +{ + std::lock_guard l(shard_lock); + dout(20) << __func__ << " checking shard " << shard_id + << " for remaining merge pgs " << merge_pgs << dendl; + auto p = merge_pgs->begin(); + while (p != merge_pgs->end()) { + spg_t pgid = p->first; + epoch_t epoch = p->second; + unsigned shard_index = pgid.hash_to_shard(osd->num_shards); + if (shard_index != shard_id) { + ++p; + continue; + } + OSDShardPGSlot *slot; + auto r = pg_slots.emplace(pgid, nullptr); + if (r.second) { + r.first->second = make_unique<OSDShardPGSlot>(); + } + slot = r.first->second.get(); + if (slot->pg) { + // already have pg + dout(20) << __func__ << " have merge participant pg " << pgid + << " " << slot->pg << dendl; + } else if (!slot->waiting_for_split.empty() && + *slot->waiting_for_split.begin() < epoch) { + dout(20) << __func__ << " pending split on merge participant pg " << pgid + << " " << slot->waiting_for_split << dendl; + } else { + dout(20) << __func__ << " creating empty merge participant " << pgid + << " for merge in " << epoch << dendl; + // leave history zeroed; PG::merge_from() will fill it in. + pg_history_t history; + PGCreateInfo cinfo(pgid, epoch - 1, + history, PastIntervals(), false); + PGRef pg = osd->handle_pg_create_info(shard_osdmap, &cinfo); + _attach_pg(r.first->second.get(), pg.get()); + _wake_pg_slot(pgid, slot); + pg->unlock(); + } + // mark slot for merge + dout(20) << __func__ << " marking merge participant " << pgid << dendl; + slot->waiting_for_merge_epoch = epoch; + p = merge_pgs->erase(p); + } +} + +void OSDShard::register_and_wake_split_child(PG *pg) +{ + dout(15) << __func__ << ": " << pg << " #:" << pg_slots.size() << dendl; + epoch_t epoch; + { + std::lock_guard l(shard_lock); + dout(10) << __func__ << ": " << pg->pg_id << " " << pg << dendl; + auto p = pg_slots.find(pg->pg_id); + ceph_assert(p != pg_slots.end()); + auto *slot = p->second.get(); + dout(20) << __func__ << ": " << pg->pg_id << " waiting_for_split " + << slot->waiting_for_split << dendl; + ceph_assert(!slot->pg); + ceph_assert(!slot->waiting_for_split.empty()); + _attach_pg(slot, pg); + + epoch = pg->get_osdmap_epoch(); + ceph_assert(slot->waiting_for_split.count(epoch)); + slot->waiting_for_split.erase(epoch); + if (slot->waiting_for_split.empty()) { + _wake_pg_slot(pg->pg_id, slot); + } else { + dout(10) << __func__ << " still waiting for split on " + << slot->waiting_for_split << dendl; + } + } + + // kick child to ensure it pulls up to the latest osdmap + osd->enqueue_peering_evt( + pg->pg_id, + PGPeeringEventRef( + std::make_shared<PGPeeringEvent>( + epoch, + epoch, + NullEvt()))); + + std::lock_guard l{sdata_wait_lock}; + sdata_cond.notify_one(); +} + +void OSDShard::unprime_split_children(spg_t parent, unsigned old_pg_num) +{ + std::lock_guard l(shard_lock); + vector<spg_t> to_delete; + for (auto& i : pg_slots) { + if (i.first != parent && + i.first.get_ancestor(old_pg_num) == parent) { + dout(10) << __func__ << " parent " << parent << " clearing " << i.first + << dendl; + _wake_pg_slot(i.first, i.second.get()); + to_delete.push_back(i.first); + } + } + for (auto pgid : to_delete) { + pg_slots.erase(pgid); + } +} + +void OSDShard::update_scheduler_config() +{ + scheduler->update_configuration(); +} + +std::string OSDShard::get_scheduler_type() +{ + std::ostringstream scheduler_type; + scheduler_type << *scheduler; + return scheduler_type.str(); +} + +OSDShard::OSDShard( + int id, + CephContext *cct, + OSD *osd) + : shard_id(id), + cct(cct), + osd(osd), + shard_name(string("OSDShard.") + stringify(id)), + sdata_wait_lock_name(shard_name + "::sdata_wait_lock"), + sdata_wait_lock{make_mutex(sdata_wait_lock_name)}, + osdmap_lock{make_mutex(shard_name + "::osdmap_lock")}, + shard_lock_name(shard_name + "::shard_lock"), + shard_lock{make_mutex(shard_lock_name)}, + scheduler(ceph::osd::scheduler::make_scheduler( + cct, osd->whoami, osd->num_shards, id, osd->store->is_rotational(), + osd->store->get_type(), osd->monc)), + context_queue(sdata_wait_lock, sdata_cond) +{ + dout(0) << "using op scheduler " << *scheduler << dendl; +} + + +// ============================================================= + +#undef dout_context +#define dout_context osd->cct +#undef dout_prefix +#define dout_prefix *_dout << "osd." << osd->whoami << " op_wq " + +void OSD::ShardedOpWQ::_add_slot_waiter( + spg_t pgid, + OSDShardPGSlot *slot, + OpSchedulerItem&& qi) +{ + if (qi.is_peering()) { + dout(20) << __func__ << " " << pgid + << " peering, item epoch is " + << qi.get_map_epoch() + << ", will wait on " << qi << dendl; + slot->waiting_peering[qi.get_map_epoch()].push_back(std::move(qi)); + } else { + dout(20) << __func__ << " " << pgid + << " item epoch is " + << qi.get_map_epoch() + << ", will wait on " << qi << dendl; + slot->waiting.push_back(std::move(qi)); + } +} + +#undef dout_prefix +#define dout_prefix *_dout << "osd." << osd->whoami << " op_wq(" << shard_index << ") " + +void OSD::ShardedOpWQ::_process(uint32_t thread_index, heartbeat_handle_d *hb) +{ + uint32_t shard_index = thread_index % osd->num_shards; + auto& sdata = osd->shards[shard_index]; + ceph_assert(sdata); + + // If all threads of shards do oncommits, there is a out-of-order + // problem. So we choose the thread which has the smallest + // thread_index(thread_index < num_shards) of shard to do oncommit + // callback. + bool is_smallest_thread_index = thread_index < osd->num_shards; + + // peek at spg_t + sdata->shard_lock.lock(); + if (sdata->scheduler->empty() && + (!is_smallest_thread_index || sdata->context_queue.empty())) { + std::unique_lock wait_lock{sdata->sdata_wait_lock}; + if (is_smallest_thread_index && !sdata->context_queue.empty()) { + // we raced with a context_queue addition, don't wait + wait_lock.unlock(); + } else if (!sdata->stop_waiting) { + dout(20) << __func__ << " empty q, waiting" << dendl; + osd->cct->get_heartbeat_map()->clear_timeout(hb); + sdata->shard_lock.unlock(); + sdata->sdata_cond.wait(wait_lock); + wait_lock.unlock(); + sdata->shard_lock.lock(); + if (sdata->scheduler->empty() && + !(is_smallest_thread_index && !sdata->context_queue.empty())) { + sdata->shard_lock.unlock(); + return; + } + // found a work item; reapply default wq timeouts + osd->cct->get_heartbeat_map()->reset_timeout(hb, + timeout_interval, suicide_interval); + } else { + dout(20) << __func__ << " need return immediately" << dendl; + wait_lock.unlock(); + sdata->shard_lock.unlock(); + return; + } + } + + list<Context *> oncommits; + if (is_smallest_thread_index) { + sdata->context_queue.move_to(oncommits); + } + + WorkItem work_item; + while (!std::get_if<OpSchedulerItem>(&work_item)) { + if (sdata->scheduler->empty()) { + if (osd->is_stopping()) { + sdata->shard_lock.unlock(); + for (auto c : oncommits) { + dout(10) << __func__ << " discarding in-flight oncommit " << c << dendl; + delete c; + } + return; // OSD shutdown, discard. + } + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + return; + } + + work_item = sdata->scheduler->dequeue(); + if (osd->is_stopping()) { + sdata->shard_lock.unlock(); + for (auto c : oncommits) { + dout(10) << __func__ << " discarding in-flight oncommit " << c << dendl; + delete c; + } + return; // OSD shutdown, discard. + } + + // If the work item is scheduled in the future, wait until + // the time returned in the dequeue response before retrying. + if (auto when_ready = std::get_if<double>(&work_item)) { + if (is_smallest_thread_index) { + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + sdata->shard_lock.lock(); + } + std::unique_lock wait_lock{sdata->sdata_wait_lock}; + auto future_time = ceph::real_clock::from_double(*when_ready); + dout(10) << __func__ << " dequeue future request at " << future_time << dendl; + // Disable heartbeat timeout until we find a non-future work item to process. + osd->cct->get_heartbeat_map()->clear_timeout(hb); + sdata->shard_lock.unlock(); + ++sdata->waiting_threads; + sdata->sdata_cond.wait_until(wait_lock, future_time); + --sdata->waiting_threads; + wait_lock.unlock(); + sdata->shard_lock.lock(); + // Reapply default wq timeouts + osd->cct->get_heartbeat_map()->reset_timeout(hb, + timeout_interval, suicide_interval); + // Populate the oncommits list if there were any additions + // to the context_queue while we were waiting + if (is_smallest_thread_index) { + sdata->context_queue.move_to(oncommits); + } + } + } // while + + // Access the stored item + auto item = std::move(std::get<OpSchedulerItem>(work_item)); + if (osd->is_stopping()) { + sdata->shard_lock.unlock(); + for (auto c : oncommits) { + dout(10) << __func__ << " discarding in-flight oncommit " << c << dendl; + delete c; + } + return; // OSD shutdown, discard. + } + + const auto token = item.get_ordering_token(); + auto r = sdata->pg_slots.emplace(token, nullptr); + if (r.second) { + r.first->second = make_unique<OSDShardPGSlot>(); + } + OSDShardPGSlot *slot = r.first->second.get(); + dout(20) << __func__ << " " << token + << (r.second ? " (new)" : "") + << " to_process " << slot->to_process + << " waiting " << slot->waiting + << " waiting_peering " << slot->waiting_peering + << dendl; + slot->to_process.push_back(std::move(item)); + dout(20) << __func__ << " " << slot->to_process.back() + << " queued" << dendl; + + retry_pg: + PGRef pg = slot->pg; + + // lock pg (if we have it) + if (pg) { + // note the requeue seq now... + uint64_t requeue_seq = slot->requeue_seq; + ++slot->num_running; + + sdata->shard_lock.unlock(); + osd->service.maybe_inject_dispatch_delay(); + pg->lock(); + osd->service.maybe_inject_dispatch_delay(); + sdata->shard_lock.lock(); + + auto q = sdata->pg_slots.find(token); + if (q == sdata->pg_slots.end()) { + // this can happen if we race with pg removal. + dout(20) << __func__ << " slot " << token << " no longer there" << dendl; + pg->unlock(); + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + return; + } + slot = q->second.get(); + --slot->num_running; + + if (slot->to_process.empty()) { + // raced with _wake_pg_slot or consume_map + dout(20) << __func__ << " " << token + << " nothing queued" << dendl; + pg->unlock(); + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + return; + } + if (requeue_seq != slot->requeue_seq) { + dout(20) << __func__ << " " << token + << " requeue_seq " << slot->requeue_seq << " > our " + << requeue_seq << ", we raced with _wake_pg_slot" + << dendl; + pg->unlock(); + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + return; + } + if (slot->pg != pg) { + // this can happen if we race with pg removal. + dout(20) << __func__ << " slot " << token << " no longer attached to " + << pg << dendl; + pg->unlock(); + goto retry_pg; + } + } + + dout(20) << __func__ << " " << token + << " to_process " << slot->to_process + << " waiting " << slot->waiting + << " waiting_peering " << slot->waiting_peering << dendl; + + ThreadPool::TPHandle tp_handle(osd->cct, hb, timeout_interval, + suicide_interval); + + // take next item + auto qi = std::move(slot->to_process.front()); + slot->to_process.pop_front(); + dout(20) << __func__ << " " << qi << " pg " << pg << dendl; + set<pair<spg_t,epoch_t>> new_children; + OSDMapRef osdmap; + + while (!pg) { + // should this pg shard exist on this osd in this (or a later) epoch? + osdmap = sdata->shard_osdmap; + const PGCreateInfo *create_info = qi.creates_pg(); + if (!slot->waiting_for_split.empty()) { + dout(20) << __func__ << " " << token + << " splitting " << slot->waiting_for_split << dendl; + _add_slot_waiter(token, slot, std::move(qi)); + } else if (qi.get_map_epoch() > osdmap->get_epoch()) { + dout(20) << __func__ << " " << token + << " map " << qi.get_map_epoch() << " > " + << osdmap->get_epoch() << dendl; + _add_slot_waiter(token, slot, std::move(qi)); + } else if (qi.is_peering()) { + if (!qi.peering_requires_pg()) { + // for pg-less events, we run them under the ordering lock, since + // we don't have the pg lock to keep them ordered. + qi.run(osd, sdata, pg, tp_handle); + } else if (osdmap->is_up_acting_osd_shard(token, osd->whoami)) { + if (create_info) { + if (create_info->by_mon && + osdmap->get_pg_acting_primary(token.pgid) != osd->whoami) { + dout(20) << __func__ << " " << token + << " no pg, no longer primary, ignoring mon create on " + << qi << dendl; + } else { + dout(20) << __func__ << " " << token + << " no pg, should create on " << qi << dendl; + pg = osd->handle_pg_create_info(osdmap, create_info); + if (pg) { + // we created the pg! drop out and continue "normally"! + sdata->_attach_pg(slot, pg.get()); + sdata->_wake_pg_slot(token, slot); + + // identify split children between create epoch and shard epoch. + osd->service.identify_splits_and_merges( + pg->get_osdmap(), osdmap, pg->pg_id, &new_children, nullptr); + sdata->_prime_splits(&new_children); + // distribute remaining split children to other shards below! + break; + } + dout(20) << __func__ << " ignored create on " << qi << dendl; + } + } else { + dout(20) << __func__ << " " << token + << " no pg, peering, !create, discarding " << qi << dendl; + } + } else { + dout(20) << __func__ << " " << token + << " no pg, peering, doesn't map here e" << osdmap->get_epoch() + << ", discarding " << qi + << dendl; + } + } else if (osdmap->is_up_acting_osd_shard(token, osd->whoami)) { + dout(20) << __func__ << " " << token + << " no pg, should exist e" << osdmap->get_epoch() + << ", will wait on " << qi << dendl; + _add_slot_waiter(token, slot, std::move(qi)); + } else { + dout(20) << __func__ << " " << token + << " no pg, shouldn't exist e" << osdmap->get_epoch() + << ", dropping " << qi << dendl; + // share map with client? + if (std::optional<OpRequestRef> _op = qi.maybe_get_op()) { + osd->service.maybe_share_map((*_op)->get_req()->get_connection().get(), + sdata->shard_osdmap, + (*_op)->sent_epoch); + } + unsigned pushes_to_free = qi.get_reserved_pushes(); + if (pushes_to_free > 0) { + sdata->shard_lock.unlock(); + osd->service.release_reserved_pushes(pushes_to_free); + handle_oncommits(oncommits); + return; + } + } + sdata->shard_lock.unlock(); + handle_oncommits(oncommits); + return; + } + if (qi.is_peering()) { + OSDMapRef osdmap = sdata->shard_osdmap; + if (qi.get_map_epoch() > osdmap->get_epoch()) { + _add_slot_waiter(token, slot, std::move(qi)); + sdata->shard_lock.unlock(); + pg->unlock(); + handle_oncommits(oncommits); + return; + } + } + sdata->shard_lock.unlock(); + + if (!new_children.empty()) { + for (auto shard : osd->shards) { + shard->prime_splits(osdmap, &new_children); + } + ceph_assert(new_children.empty()); + } + + // osd_opwq_process marks the point at which an operation has been dequeued + // and will begin to be handled by a worker thread. + { +#ifdef WITH_LTTNG + osd_reqid_t reqid; + if (std::optional<OpRequestRef> _op = qi.maybe_get_op()) { + reqid = (*_op)->get_reqid(); + } +#endif + tracepoint(osd, opwq_process_start, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + + lgeneric_subdout(osd->cct, osd, 30) << "dequeue status: "; + Formatter *f = Formatter::create("json"); + f->open_object_section("q"); + dump(f); + f->close_section(); + f->flush(*_dout); + delete f; + *_dout << dendl; + + qi.run(osd, sdata, pg, tp_handle); + + { +#ifdef WITH_LTTNG + osd_reqid_t reqid; + if (std::optional<OpRequestRef> _op = qi.maybe_get_op()) { + reqid = (*_op)->get_reqid(); + } +#endif + tracepoint(osd, opwq_process_finish, reqid.name._type, + reqid.name._num, reqid.tid, reqid.inc); + } + + handle_oncommits(oncommits); +} + +void OSD::ShardedOpWQ::_enqueue(OpSchedulerItem&& item) { + if (unlikely(m_fast_shutdown) ) { + // stop enqueing when we are in the middle of a fast shutdown + return; + } + + uint32_t shard_index = + item.get_ordering_token().hash_to_shard(osd->shards.size()); + + OSDShard* sdata = osd->shards[shard_index]; + assert (NULL != sdata); + + dout(20) << __func__ << " " << item << dendl; + + bool empty = true; + { + std::lock_guard l{sdata->shard_lock}; + empty = sdata->scheduler->empty(); + sdata->scheduler->enqueue(std::move(item)); + } + + { + std::lock_guard l{sdata->sdata_wait_lock}; + if (empty) { + sdata->sdata_cond.notify_all(); + } else if (sdata->waiting_threads) { + sdata->sdata_cond.notify_one(); + } + } +} + +void OSD::ShardedOpWQ::_enqueue_front(OpSchedulerItem&& item) +{ + if (unlikely(m_fast_shutdown) ) { + // stop enqueing when we are in the middle of a fast shutdown + return; + } + + auto shard_index = item.get_ordering_token().hash_to_shard(osd->shards.size()); + auto& sdata = osd->shards[shard_index]; + ceph_assert(sdata); + sdata->shard_lock.lock(); + auto p = sdata->pg_slots.find(item.get_ordering_token()); + if (p != sdata->pg_slots.end() && + !p->second->to_process.empty()) { + // we may be racing with _process, which has dequeued a new item + // from scheduler, put it on to_process, and is now busy taking the + // pg lock. ensure this old requeued item is ordered before any + // such newer item in to_process. + p->second->to_process.push_front(std::move(item)); + item = std::move(p->second->to_process.back()); + p->second->to_process.pop_back(); + dout(20) << __func__ + << " " << p->second->to_process.front() + << " shuffled w/ " << item << dendl; + } else { + dout(20) << __func__ << " " << item << dendl; + } + sdata->scheduler->enqueue_front(std::move(item)); + sdata->shard_lock.unlock(); + std::lock_guard l{sdata->sdata_wait_lock}; + sdata->sdata_cond.notify_one(); +} + +void OSD::ShardedOpWQ::stop_for_fast_shutdown() +{ + uint32_t shard_index = 0; + m_fast_shutdown = true; + + for (; shard_index < osd->num_shards; shard_index++) { + auto& sdata = osd->shards[shard_index]; + ceph_assert(sdata); + sdata->shard_lock.lock(); + int work_count = 0; + while(! sdata->scheduler->empty() ) { + auto work_item = sdata->scheduler->dequeue(); + work_count++; + } + sdata->shard_lock.unlock(); + } +} + +namespace ceph::osd_cmds { + +int heap(CephContext& cct, + const cmdmap_t& cmdmap, + std::ostream& outos, + std::ostream& erros) +{ + if (!ceph_using_tcmalloc()) { + erros << "could not issue heap profiler command -- not using tcmalloc!"; + return -EOPNOTSUPP; + } + + string cmd; + if (!cmd_getval(cmdmap, "heapcmd", cmd)) { + erros << "unable to get value for command \"" << cmd << "\""; + return -EINVAL; + } + + std::vector<std::string> cmd_vec; + get_str_vec(cmd, cmd_vec); + + string val; + if (cmd_getval(cmdmap, "value", val)) { + cmd_vec.push_back(val); + } + + ceph_heap_profiler_handle_command(cmd_vec, outos); + + return 0; +} + +} // namespace ceph::osd_cmds |