1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
7 * Copyright (C) 2013,2014 Cloudwatt <libre.licensing@cloudwatt.com>
9 * Author: Loic Dachary <loic@dachary.org>
11 * This is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU Lesser General Public
13 * License version 2.1, as published by the Free Software
14 * Foundation. See file COPYING.
18 /* Object Store Device (OSD) Monitor
21 #ifndef CEPH_OSDMONITOR_H
22 #define CEPH_OSDMONITOR_H
29 #include "include/types.h"
30 #include "include/encoding.h"
31 #include "common/simple_cache.hpp"
32 #include "common/PriorityCache.h"
33 #include "msg/Messenger.h"
35 #include "osd/OSDMap.h"
36 #include "osd/OSDMapMapping.h"
38 #include "CreatingPGs.h"
39 #include "PaxosService.h"
41 #include "erasure-code/ErasureCodeInterface.h"
42 #include "mon/MonOpRequest.h"
43 #include <boost/functional/hash.hpp>
51 /// information about a particular peer's failure reports for one osd
52 struct failure_reporter_t
{
53 utime_t failed_since
; ///< when they think it failed
54 MonOpRequestRef op
; ///< failure op request
56 failure_reporter_t() {}
57 failure_reporter_t(utime_t s
, MonOpRequestRef op
)
58 : failed_since(s
), op(op
) {}
59 ~failure_reporter_t() { }
62 /// information about all failure reports for one osd
63 struct failure_info_t
{
64 std::map
<int, failure_reporter_t
> reporters
; ///< reporter -> failed_since etc
65 utime_t max_failed_since
; ///< most recent failed_since
69 utime_t
get_failed_since() {
70 if (max_failed_since
== utime_t() && !reporters
.empty()) {
71 // the old max must have canceled; recalculate.
72 for (auto p
= reporters
.begin(); p
!= reporters
.end(); ++p
)
73 if (p
->second
.failed_since
> max_failed_since
)
74 max_failed_since
= p
->second
.failed_since
;
76 return max_failed_since
;
79 // set the message for the latest report.
80 void add_report(int who
, utime_t failed_since
, MonOpRequestRef op
) {
81 [[maybe_unused
]] auto [it
, new_reporter
] =
82 reporters
.insert_or_assign(who
, failure_reporter_t
{failed_since
, op
});
84 if (max_failed_since
!= utime_t() && max_failed_since
< failed_since
) {
85 max_failed_since
= failed_since
;
90 void take_report_messages(std::list
<MonOpRequestRef
>& ls
) {
91 for (auto p
= reporters
.begin(); p
!= reporters
.end(); ++p
) {
93 ls
.push_back(p
->second
.op
);
99 void cancel_report(int who
) {
100 reporters
.erase(who
);
101 max_failed_since
= utime_t();
106 class LastEpochClean
{
108 std::vector
<epoch_t
> epoch_by_pg
;
109 ps_t next_missing
= 0;
110 epoch_t floor
= std::numeric_limits
<epoch_t
>::max();
111 void report(unsigned pg_num
, ps_t pg
, epoch_t last_epoch_clean
);
113 std::map
<uint64_t, Lec
> report_by_pool
;
115 void report(unsigned pg_num
, const pg_t
& pg
, epoch_t last_epoch_clean
);
116 void remove_pool(uint64_t pool
);
117 epoch_t
get_lower_bound(const OSDMap
& latest
) const;
119 void dump(Formatter
*f
) const;
123 struct osdmap_manifest_t
{
124 // all the maps we have pinned -- i.e., won't be removed unless
125 // they are inside a trim interval.
126 std::set
<version_t
> pinned
;
128 osdmap_manifest_t() {}
130 version_t
get_last_pinned() const
132 auto it
= pinned
.crbegin();
133 if (it
== pinned
.crend()) {
139 version_t
get_first_pinned() const
141 auto it
= pinned
.cbegin();
142 if (it
== pinned
.cend()) {
148 bool is_pinned(version_t v
) const
150 return pinned
.find(v
) != pinned
.end();
153 void pin(version_t v
)
158 version_t
get_lower_closest_pinned(version_t v
) const {
159 auto p
= pinned
.lower_bound(v
);
160 if (p
== pinned
.cend()) {
163 if (p
== pinned
.cbegin()) {
171 void encode(ceph::buffer::list
& bl
) const
173 ENCODE_START(1, 1, bl
);
178 void decode(ceph::buffer::list::const_iterator
& bl
)
185 void decode(ceph::buffer::list
& bl
) {
186 auto p
= bl
.cbegin();
190 void dump(ceph::Formatter
*f
) {
191 f
->dump_unsigned("first_pinned", get_first_pinned());
192 f
->dump_unsigned("last_pinned", get_last_pinned());
193 f
->open_array_section("pinned_maps");
194 for (auto& i
: pinned
) {
195 f
->dump_unsigned("epoch", i
);
200 WRITE_CLASS_ENCODER(osdmap_manifest_t
);
202 class OSDMonitor
: public PaxosService
,
203 public md_config_obs_t
{
210 const char** get_tracked_conf_keys() const override
;
211 void handle_conf_change(const ConfigProxy
& conf
,
212 const std::set
<std::string
> &changed
) override
;
214 OSDMap::Incremental pending_inc
;
215 std::map
<int, ceph::buffer::list
> pending_metadata
;
216 std::set
<int> pending_metadata_rm
;
217 std::map
<int, failure_info_t
> failure_info
;
218 std::map
<int,utime_t
> down_pending_out
; // osd down -> out
219 bool priority_convert
= false;
220 std::map
<int64_t,std::set
<snapid_t
>> pending_pseudo_purged_snaps
;
221 std::shared_ptr
<PriorityCache::PriCache
> rocksdb_binned_kv_cache
= nullptr;
222 std::shared_ptr
<PriorityCache::Manager
> pcm
= nullptr;
223 ceph::mutex balancer_lock
= ceph::make_mutex("OSDMonitor::balancer_lock");
225 std::map
<int,double> osd_weight
;
226 std::set
<int32_t> filestore_osds
;
228 using osdmap_key_t
= std::pair
<version_t
, uint64_t>;
229 using osdmap_cache_t
= SimpleLRU
<osdmap_key_t
,
231 std::less
<osdmap_key_t
>,
232 boost::hash
<osdmap_key_t
>>;
233 osdmap_cache_t inc_osd_cache
;
234 osdmap_cache_t full_osd_cache
;
236 bool has_osdmap_manifest
;
237 osdmap_manifest_t osdmap_manifest
;
239 bool check_failures(utime_t now
);
240 bool check_failure(utime_t now
, int target_osd
, failure_info_t
& fi
);
241 utime_t
get_grace_time(utime_t now
, int target_osd
, failure_info_t
& fi
) const;
242 bool is_failure_stale(utime_t now
, failure_info_t
& fi
) const;
243 void force_failure(int target_osd
, int by
);
245 bool _have_pending_crush();
246 CrushWrapper
&_get_stable_crush();
247 CrushWrapper
_get_pending_crush();
255 struct CleanUpmapJob
: public ParallelPGMapper::Job
{
257 const OSDMap
& osdmap
;
258 OSDMap::Incremental
& pending_inc
;
259 // lock to protect pending_inc form changing
260 // when checking is done
261 ceph::mutex pending_inc_lock
=
262 ceph::make_mutex("CleanUpmapJob::pending_inc_lock");
264 CleanUpmapJob(CephContext
*cct
, const OSDMap
& om
, OSDMap::Incremental
& pi
)
265 : ParallelPGMapper::Job(&om
),
270 void process(const std::vector
<pg_t
>& to_check
) override
{
271 std::vector
<pg_t
> to_cancel
;
272 std::map
<pg_t
, mempool::osdmap::vector
<std::pair
<int,int>>> to_remap
;
273 osdmap
.check_pg_upmaps(cct
, to_check
, &to_cancel
, &to_remap
);
274 // don't bother taking lock if nothing changes
275 if (!to_cancel
.empty() || !to_remap
.empty()) {
276 std::lock_guard
l(pending_inc_lock
);
277 osdmap
.clean_pg_upmaps(cct
, &pending_inc
, to_cancel
, to_remap
);
281 void process(int64_t poolid
, unsigned ps_begin
, unsigned ps_end
) override
{}
282 void complete() override
{}
283 }; // public as this will need to be accessible from TestTestOSDMap.cc
287 void create_initial() override
;
288 void get_store_prefixes(std::set
<std::string
>& s
) const override
;
291 void update_from_paxos(bool *need_bootstrap
) override
;
292 void create_pending() override
; // prepare a new pending
293 void encode_pending(MonitorDBStore::TransactionRef t
) override
;
294 void on_active() override
;
295 void on_restart() override
;
296 void on_shutdown() override
;
298 /* osdmap full map prune */
299 void load_osdmap_manifest();
300 bool should_prune() const;
301 void _prune_update_trimmed(
302 MonitorDBStore::TransactionRef tx
,
304 void prune_init(osdmap_manifest_t
& manifest
);
305 bool _prune_sanitize_options() const;
306 bool is_prune_enabled() const;
307 bool is_prune_supported() const;
308 bool do_prune(MonitorDBStore::TransactionRef tx
);
310 // Priority cache control
311 uint32_t mon_osd_cache_size
= 0; ///< Number of cached OSDMaps
312 uint64_t rocksdb_cache_size
= 0; ///< Cache for kv Db
313 double cache_kv_ratio
= 0; ///< Cache ratio dedicated to kv
314 double cache_inc_ratio
= 0; ///< Cache ratio dedicated to inc
315 double cache_full_ratio
= 0; ///< Cache ratio dedicated to full
316 uint64_t mon_memory_base
= 0; ///< Mon base memory for cache autotuning
317 double mon_memory_fragmentation
= 0; ///< Expected memory fragmentation
318 uint64_t mon_memory_target
= 0; ///< Mon target memory for cache autotuning
319 uint64_t mon_memory_min
= 0; ///< Min memory to cache osdmaps
320 bool mon_memory_autotune
= false; ///< Cache auto tune setting
321 int register_cache_with_pcm();
322 int _set_cache_sizes();
323 int _set_cache_ratios();
324 void _set_new_cache_sizes();
325 void _set_cache_autotuning();
326 int _update_mon_cache_settings();
328 friend struct OSDMemCache
;
329 friend struct IncCache
;
330 friend struct FullCache
;
333 * we haven't delegated full version stashing to paxosservice for some time
334 * now, making this function useless in current context.
336 void encode_full(MonitorDBStore::TransactionRef t
) override
{ }
338 * do not let paxosservice periodically stash full osdmaps, or we will break our
339 * locally-managed full maps. (update_from_paxos loads the latest and writes them
340 * out going forward from there, but if we just synced that may mean we skip some.)
342 bool should_stash_full() override
{
347 * hook into trim to include the oldest full map in the trim transaction
349 * This ensures that anyone post-sync will have enough to rebuild their
352 void encode_trim_extra(MonitorDBStore::TransactionRef tx
, version_t first
) override
;
354 void update_msgr_features();
356 * check if the cluster supports the features required by the
357 * given crush map. Outputs the daemons which don't support it
358 * to the stringstream.
360 * @returns true if the map is passable, false otherwise
362 bool validate_crush_against_features(const CrushWrapper
*newcrush
,
363 std::stringstream
&ss
);
364 void check_osdmap_subs();
365 void share_map_with_random_osd();
367 ceph::mutex prime_pg_temp_lock
=
368 ceph::make_mutex("OSDMonitor::prime_pg_temp_lock");
369 struct PrimeTempJob
: public ParallelPGMapper::Job
{
371 PrimeTempJob(const OSDMap
& om
, OSDMonitor
*m
)
372 : ParallelPGMapper::Job(&om
), osdmon(m
) {}
373 void process(int64_t pool
, unsigned ps_begin
, unsigned ps_end
) override
{
374 for (unsigned ps
= ps_begin
; ps
< ps_end
; ++ps
) {
376 osdmon
->prime_pg_temp(*osdmap
, pgid
);
379 void process(const std::vector
<pg_t
>& pgs
) override
{}
380 void complete() override
{}
382 void maybe_prime_pg_temp();
383 void prime_pg_temp(const OSDMap
& next
, pg_t pgid
);
385 ParallelPGMapper mapper
; ///< for background pg work
386 OSDMapMapping mapping
; ///< pg <-> osd mappings
387 std::unique_ptr
<ParallelPGMapper::Job
> mapping_job
; ///< background mapping job
388 void start_mapping();
390 void update_logger();
392 void handle_query(PaxosServiceMessage
*m
);
393 bool preprocess_query(MonOpRequestRef op
) override
; // true if processed.
394 bool prepare_update(MonOpRequestRef op
) override
;
395 bool should_propose(double &delay
) override
;
397 version_t
get_trim_to() const override
;
399 bool can_mark_down(int o
);
400 bool can_mark_up(int o
);
401 bool can_mark_out(int o
);
402 bool can_mark_in(int o
);
405 MOSDMap
*build_latest_full(uint64_t features
);
406 MOSDMap
*build_incremental(epoch_t first
, epoch_t last
, uint64_t features
);
407 void send_full(MonOpRequestRef op
);
408 void send_incremental(MonOpRequestRef op
, epoch_t first
);
411 * Make sure the existing (up) OSDs support the given features
412 * @return 0 on success, or an error code if any OSDs re missing features.
413 * @param ss Filled in with ane explanation of failure, if any
415 int check_cluster_features(uint64_t features
, std::stringstream
&ss
);
416 // @param req an optional op request, if the osdmaps are replies to it. so
417 // @c Monitor::send_reply() can mark_event with it.
418 void send_incremental(epoch_t first
, MonSession
*session
, bool onetime
,
419 MonOpRequestRef req
= MonOpRequestRef());
422 void print_utilization(std::ostream
&out
, ceph::Formatter
*f
, bool tree
) const;
424 bool check_source(MonOpRequestRef op
, uuid_d fsid
);
426 bool preprocess_get_osdmap(MonOpRequestRef op
);
428 bool preprocess_mark_me_down(MonOpRequestRef op
);
430 friend class C_AckMarkedDown
;
431 bool preprocess_failure(MonOpRequestRef op
);
432 bool prepare_failure(MonOpRequestRef op
);
433 bool prepare_mark_me_down(MonOpRequestRef op
);
434 void process_failures();
435 void take_all_failures(std::list
<MonOpRequestRef
>& ls
);
437 bool preprocess_mark_me_dead(MonOpRequestRef op
);
438 bool prepare_mark_me_dead(MonOpRequestRef op
);
440 bool preprocess_full(MonOpRequestRef op
);
441 bool prepare_full(MonOpRequestRef op
);
443 bool preprocess_boot(MonOpRequestRef op
);
444 bool prepare_boot(MonOpRequestRef op
);
445 void _booted(MonOpRequestRef op
, bool logit
);
447 void update_up_thru(int from
, epoch_t up_thru
);
448 bool preprocess_alive(MonOpRequestRef op
);
449 bool prepare_alive(MonOpRequestRef op
);
450 void _reply_map(MonOpRequestRef op
, epoch_t e
);
452 bool preprocess_pgtemp(MonOpRequestRef op
);
453 bool prepare_pgtemp(MonOpRequestRef op
);
455 bool preprocess_pg_created(MonOpRequestRef op
);
456 bool prepare_pg_created(MonOpRequestRef op
);
458 bool preprocess_pg_ready_to_merge(MonOpRequestRef op
);
459 bool prepare_pg_ready_to_merge(MonOpRequestRef op
);
461 int _check_remove_pool(int64_t pool_id
, const pg_pool_t
&pool
, std::ostream
*ss
);
462 bool _check_become_tier(
463 int64_t tier_pool_id
, const pg_pool_t
*tier_pool
,
464 int64_t base_pool_id
, const pg_pool_t
*base_pool
,
465 int *err
, std::ostream
*ss
) const;
466 bool _check_remove_tier(
467 int64_t base_pool_id
, const pg_pool_t
*base_pool
, const pg_pool_t
*tier_pool
,
468 int *err
, std::ostream
*ss
) const;
470 int _prepare_remove_pool(int64_t pool
, std::ostream
*ss
, bool no_fake
);
471 int _prepare_rename_pool(int64_t pool
, std::string newname
);
473 bool enforce_pool_op_caps(MonOpRequestRef op
);
474 bool preprocess_pool_op (MonOpRequestRef op
);
475 bool preprocess_pool_op_create (MonOpRequestRef op
);
476 bool prepare_pool_op (MonOpRequestRef op
);
477 bool prepare_pool_op_create (MonOpRequestRef op
);
478 bool prepare_pool_op_delete(MonOpRequestRef op
);
479 int crush_rename_bucket(const std::string
& srcname
,
480 const std::string
& dstname
,
482 void check_legacy_ec_plugin(const std::string
& plugin
,
483 const std::string
& profile
) const;
484 int normalize_profile(const std::string
& profilename
,
485 ceph::ErasureCodeProfile
&profile
,
488 int crush_rule_create_erasure(const std::string
&name
,
489 const std::string
&profile
,
492 int get_crush_rule(const std::string
&rule_name
,
495 int get_erasure_code(const std::string
&erasure_code_profile
,
496 ceph::ErasureCodeInterfaceRef
*erasure_code
,
497 std::ostream
*ss
) const;
498 int prepare_pool_crush_rule(const unsigned pool_type
,
499 const std::string
&erasure_code_profile
,
500 const std::string
&rule_name
,
503 bool erasure_code_profile_in_use(
504 const mempool::osdmap::map
<int64_t, pg_pool_t
> &pools
,
505 const std::string
&profile
,
507 int parse_erasure_code_profile(const std::vector
<std::string
> &erasure_code_profile
,
508 std::map
<std::string
,std::string
> *erasure_code_profile_map
,
510 int prepare_pool_size(const unsigned pool_type
,
511 const std::string
&erasure_code_profile
,
513 unsigned *size
, unsigned *min_size
,
515 int prepare_pool_stripe_width(const unsigned pool_type
,
516 const std::string
&erasure_code_profile
,
517 unsigned *stripe_width
,
519 uint32_t get_osd_num_by_crush(int crush_rule
);
520 int check_pg_num(int64_t pool
, int pg_num
, int size
, int crush_rule
, std::ostream
* ss
);
521 int prepare_new_pool(std::string
& name
,
523 const std::string
&crush_rule_name
,
524 unsigned pg_num
, unsigned pgp_num
,
528 const uint64_t target_size_bytes
,
529 const float target_size_ratio
,
530 const std::string
&erasure_code_profile
,
531 const unsigned pool_type
,
532 const uint64_t expected_num_objects
,
533 FastReadType fast_read
,
534 std::string pg_autoscale_mode
,
538 int prepare_new_pool(MonOpRequestRef op
);
540 void set_pool_flags(int64_t pool_id
, uint64_t flags
);
541 void clear_pool_flags(int64_t pool_id
, uint64_t flags
);
542 bool update_pools_status();
544 bool _is_removed_snap(int64_t pool_id
, snapid_t snapid
);
545 bool _is_pending_removed_snap(int64_t pool_id
, snapid_t snapid
);
547 std::string
make_purged_snap_epoch_key(epoch_t epoch
);
548 std::string
make_purged_snap_key(int64_t pool
, snapid_t snap
);
549 std::string
make_purged_snap_key_value(int64_t pool
, snapid_t snap
, snapid_t num
,
550 epoch_t epoch
, ceph::buffer::list
*v
);
552 bool try_prune_purged_snaps();
553 int lookup_purged_snap(int64_t pool
, snapid_t snap
,
554 snapid_t
*begin
, snapid_t
*end
);
556 void insert_purged_snap_update(
558 snapid_t start
, snapid_t end
,
560 MonitorDBStore::TransactionRef t
);
562 bool prepare_set_flag(MonOpRequestRef op
, int flag
);
563 bool prepare_unset_flag(MonOpRequestRef op
, int flag
);
565 void _pool_op_reply(MonOpRequestRef op
,
566 int ret
, epoch_t epoch
, ceph::buffer::list
*blp
=NULL
);
568 struct C_Booted
: public C_MonOp
{
571 C_Booted(OSDMonitor
*cm
, MonOpRequestRef op_
, bool l
=true) :
572 C_MonOp(op_
), cmon(cm
), logit(l
) {}
573 void _finish(int r
) override
{
575 cmon
->_booted(op
, logit
);
576 else if (r
== -ECANCELED
)
578 else if (r
== -EAGAIN
)
581 ceph_abort_msg("bad C_Booted return value");
585 struct C_ReplyMap
: public C_MonOp
{
588 C_ReplyMap(OSDMonitor
*o
, MonOpRequestRef op_
, epoch_t ee
)
589 : C_MonOp(op_
), osdmon(o
), e(ee
) {}
590 void _finish(int r
) override
{
592 osdmon
->_reply_map(op
, e
);
593 else if (r
== -ECANCELED
)
595 else if (r
== -EAGAIN
)
596 osdmon
->dispatch(op
);
598 ceph_abort_msg("bad C_ReplyMap return value");
601 struct C_PoolOp
: public C_MonOp
{
605 ceph::buffer::list reply_data
;
606 C_PoolOp(OSDMonitor
* osd
, MonOpRequestRef op_
, int rc
, int e
, ceph::buffer::list
*rd
=NULL
) :
607 C_MonOp(op_
), osdmon(osd
), replyCode(rc
), epoch(e
) {
611 void _finish(int r
) override
{
613 osdmon
->_pool_op_reply(op
, replyCode
, epoch
, &reply_data
);
614 else if (r
== -ECANCELED
)
616 else if (r
== -EAGAIN
)
617 osdmon
->dispatch(op
);
619 ceph_abort_msg("bad C_PoolOp return value");
623 bool preprocess_remove_snaps(MonOpRequestRef op
);
624 bool prepare_remove_snaps(MonOpRequestRef op
);
626 bool preprocess_get_purged_snaps(MonOpRequestRef op
);
628 int load_metadata(int osd
, std::map
<std::string
, std::string
>& m
,
630 void count_metadata(const std::string
& field
, ceph::Formatter
*f
);
632 void reencode_incremental_map(ceph::buffer::list
& bl
, uint64_t features
);
633 void reencode_full_map(ceph::buffer::list
& bl
, uint64_t features
);
635 void count_metadata(const std::string
& field
, std::map
<std::string
,int> *out
);
636 void get_versions(std::map
<std::string
, std::list
<std::string
>> &versions
);
637 void get_filestore_osd_list();
638 void check_for_filestore_osds(health_check_map_t
*checks
);
640 int get_osd_objectstore_type(int osd
, std::string
*type
);
641 bool is_pool_currently_all_bluestore(int64_t pool_id
, const pg_pool_t
&pool
,
644 // when we last received PG stats from each osd and the osd's osd_beacon_report_interval
645 std::map
<int, std::pair
<utime_t
, int>> last_osd_report
;
646 // TODO: use last_osd_report to store the osd report epochs, once we don't
647 // need to upgrade from pre-luminous releases.
648 std::map
<int,epoch_t
> osd_epochs
;
649 LastEpochClean last_epoch_clean
;
650 bool preprocess_beacon(MonOpRequestRef op
);
651 bool prepare_beacon(MonOpRequestRef op
);
652 epoch_t
get_min_last_epoch_clean() const;
654 friend class C_UpdateCreatingPGs
;
655 std::map
<int, std::map
<epoch_t
, std::set
<spg_t
>>> creating_pgs_by_osd_epoch
;
656 std::vector
<pg_t
> pending_created_pgs
;
657 // the epoch when the pg mapping was calculated
658 epoch_t creating_pgs_epoch
= 0;
659 creating_pgs_t creating_pgs
;
660 mutable std::mutex creating_pgs_lock
;
662 creating_pgs_t
update_pending_pgs(const OSDMap::Incremental
& inc
,
663 const OSDMap
& nextmap
);
664 unsigned scan_for_creating_pgs(
665 const mempool::osdmap::map
<int64_t,pg_pool_t
>& pools
,
666 const mempool::osdmap::set
<int64_t>& removed_pools
,
668 creating_pgs_t
* creating_pgs
) const;
669 std::pair
<int32_t, pg_t
> get_parent_pg(pg_t pgid
) const;
670 void update_creating_pgs();
671 void check_pg_creates_subs();
672 epoch_t
send_pg_creates(int osd
, Connection
*con
, epoch_t next
) const;
674 int32_t _allocate_osd_id(int32_t* existing_id
);
676 int get_grace_interval_threshold();
677 bool grace_interval_threshold_exceeded(int last_failed
);
678 void set_default_laggy_params(int target_osd
);
680 int parse_pgid(const cmdmap_t
& cmdmap
, std::stringstream
&ss
,
681 pg_t
&pgid
, std::optional
<std::string
> pgidstr
= std::nullopt
);
683 OSDMonitor(CephContext
*cct
, Monitor
&mn
, Paxos
&p
, const std::string
& service_name
);
685 void tick() override
; // check state, take actions
687 bool preprocess_command(MonOpRequestRef op
);
688 bool prepare_command(MonOpRequestRef op
);
689 bool prepare_command_impl(MonOpRequestRef op
, const cmdmap_t
& cmdmap
);
691 int validate_osd_create(
694 const bool check_osd_exists
,
695 int32_t* existing_id
,
696 std::stringstream
& ss
);
697 int prepare_command_osd_create(
700 int32_t* existing_id
,
701 std::stringstream
& ss
);
702 void do_osd_create(const int32_t id
, const uuid_d
& uuid
,
703 const std::string
& device_class
,
705 int prepare_command_osd_purge(int32_t id
, std::stringstream
& ss
);
706 int prepare_command_osd_destroy(int32_t id
, std::stringstream
& ss
);
707 int _prepare_command_osd_crush_remove(
708 CrushWrapper
&newcrush
,
713 void do_osd_crush_remove(CrushWrapper
& newcrush
);
714 int prepare_command_osd_crush_remove(
715 CrushWrapper
&newcrush
,
720 int prepare_command_osd_remove(int32_t id
);
721 int prepare_command_osd_new(
723 const cmdmap_t
& cmdmap
,
724 const std::map
<std::string
,std::string
>& secrets
,
725 std::stringstream
&ss
,
728 int prepare_command_pool_set(const cmdmap_t
& cmdmap
,
729 std::stringstream
& ss
);
731 int prepare_command_pool_application(const std::string
&prefix
,
732 const cmdmap_t
& cmdmap
,
733 std::stringstream
& ss
);
734 int preprocess_command_pool_application(const std::string
&prefix
,
735 const cmdmap_t
& cmdmap
,
736 std::stringstream
& ss
,
738 int _command_pool_application(const std::string
&prefix
,
739 const cmdmap_t
& cmdmap
,
740 std::stringstream
& ss
,
744 bool handle_osd_timeouts(const utime_t
&now
,
745 std::map
<int, std::pair
<utime_t
, int>> &last_osd_report
);
747 void send_latest(MonOpRequestRef op
, epoch_t start
=0);
748 void send_latest_now_nodelete(MonOpRequestRef op
, epoch_t start
=0) {
749 op
->mark_osdmon_event(__func__
);
750 send_incremental(op
, start
);
753 int get_version(version_t ver
, ceph::buffer::list
& bl
) override
;
754 int get_version(version_t ver
, uint64_t feature
, ceph::buffer::list
& bl
);
756 int get_version_full(version_t ver
, uint64_t feature
, ceph::buffer::list
& bl
);
757 int get_version_full(version_t ver
, ceph::buffer::list
& bl
) override
;
758 int get_inc(version_t ver
, OSDMap::Incremental
& inc
);
759 int get_full_from_pinned_map(version_t ver
, ceph::buffer::list
& bl
);
761 epoch_t
blocklist(const entity_addrvec_t
& av
, utime_t until
);
762 epoch_t
blocklist(entity_addr_t a
, utime_t until
);
764 void dump_info(ceph::Formatter
*f
);
765 int dump_osd_metadata(int osd
, ceph::Formatter
*f
, std::ostream
*err
);
766 void print_nodes(ceph::Formatter
*f
);
768 void check_osdmap_sub(Subscription
*sub
);
769 void check_pg_creates_sub(Subscription
*sub
);
771 void do_application_enable(int64_t pool_id
, const std::string
&app_name
,
772 const std::string
&app_key
="",
773 const std::string
&app_value
="",
775 void do_set_pool_opt(int64_t pool_id
, pool_opts_t::key_t opt
,
776 pool_opts_t::value_t
);
778 void add_flag(int flag
) {
779 if (!(osdmap
.flags
& flag
)) {
780 if (pending_inc
.new_flags
< 0)
781 pending_inc
.new_flags
= osdmap
.flags
;
782 pending_inc
.new_flags
|= flag
;
786 void remove_flag(int flag
) {
787 if(osdmap
.flags
& flag
) {
788 if (pending_inc
.new_flags
< 0)
789 pending_inc
.new_flags
= osdmap
.flags
;
790 pending_inc
.new_flags
&= ~flag
;
793 void convert_pool_priorities(void);
795 * Find the pools which are requested to be put into stretch mode,
796 * validate that they are allowed to be in stretch mode (eg, are replicated)
797 * and place copies of them in the pools set.
798 * This does not make any changes to the pools or state; it's just
799 * a safety-check-and-collect function.
801 void try_enable_stretch_mode_pools(std::stringstream
& ss
, bool *okay
,
803 std::set
<pg_pool_t
*>* pools
,
804 const std::string
& new_crush_rule
);
806 * Check validity of inputs and OSD/CRUSH state to
807 * engage stretch mode. Designed to be used with
808 * MonmapMonitor::try_enable_stretch_mode() where we call both twice,
809 * first with commit=false to validate.
810 * @param ss: a stringstream to write errors into
811 * @param okay: Filled to true if okay, false if validation fails
812 * @param errcode: filled with -errno if there's a problem
813 * @param commit: true if we should commit the change, false if just testing
814 * @param dividing_bucket: the bucket type (eg 'dc') that divides the cluster
815 * @param bucket_count: The number of buckets required in peering.
816 * Currently must be 2.
817 * @param pools: The pg_pool_ts which are being set to stretch mode (obtained
818 * from try_enable_stretch_mode_pools()).
819 * @param new_crush_rule: The crush rule to set the pools to.
821 void try_enable_stretch_mode(std::stringstream
& ss
, bool *okay
,
822 int *errcode
, bool commit
,
823 const std::string
& dividing_bucket
,
824 uint32_t bucket_count
,
825 const std::set
<pg_pool_t
*>& pools
,
826 const std::string
& new_crush_rule
);
828 * Check the input dead_buckets mapping (buckets->dead monitors) to see
829 * if the OSDs are also down. If so, fill in really_down_buckets and
830 * really_down_mons and return true; else return false.
832 bool check_for_dead_crush_zones(const std::map
<std::string
,std::set
<std::string
>>& dead_buckets
,
833 std::set
<int> *really_down_buckets
,
834 std::set
<std::string
> *really_down_mons
);
836 * Set degraded mode in the OSDMap, adding the given dead buckets to the dead set
837 * and using the live_zones (should presently be size 1)
839 void trigger_degraded_stretch_mode(const std::set
<int>& dead_buckets
,
840 const std::set
<std::string
>& live_zones
);
842 * This is just to maintain stretch_recovery_triggered; below
844 void set_degraded_stretch_mode();
846 * Set recovery stretch mode in the OSDMap, resetting pool size back to normal
848 void trigger_recovery_stretch_mode();
850 * This is just to maintain stretch_recovery_triggered; below
852 void set_recovery_stretch_mode();
854 * This is just to maintain stretch_recovery_triggered; below
856 void set_healthy_stretch_mode();
858 * Tells the OSD there's a new pg digest, in case it's interested.
859 * (It's interested when in recovering stretch mode.)
861 void notify_new_pg_digest();
863 * Check if we can exit recovery stretch mode and go back to normal.
864 * @param force If true, we will force the exit through once it is legal,
865 * without regard to the reported PG status.
867 void try_end_recovery_stretch_mode(bool force
);
869 * Sets the osdmap and pg_pool_t values back to healthy stretch mode status.
871 void trigger_healthy_stretch_mode();
873 * Obtain the crush rule being used for stretch pools.
874 * Note that right now this is heuristic and simply selects the
875 * most-used rule on replicated stretch pools.
876 * @return the crush rule ID, or a negative errno
878 int get_replicated_stretch_crush_rule();
880 utime_t stretch_recovery_triggered
; // what time we committed a switch to recovery mode