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
28 #include "include/types.h"
29 #include "include/encoding.h"
30 #include "common/simple_cache.hpp"
31 #include "common/PriorityCache.h"
32 #include "msg/Messenger.h"
34 #include "osd/OSDMap.h"
35 #include "osd/OSDMapMapping.h"
37 #include "CreatingPGs.h"
38 #include "PaxosService.h"
40 #include "erasure-code/ErasureCodeInterface.h"
41 #include "mon/MonOpRequest.h"
42 #include <boost/functional/hash.hpp>
50 /// information about a particular peer's failure reports for one osd
51 struct failure_reporter_t
{
52 utime_t failed_since
; ///< when they think it failed
53 MonOpRequestRef op
; ///< failure op request
55 failure_reporter_t() {}
56 failure_reporter_t(utime_t s
, MonOpRequestRef op
)
57 : failed_since(s
), op(op
) {}
58 ~failure_reporter_t() { }
61 /// information about all failure reports for one osd
62 struct failure_info_t
{
63 std::map
<int, failure_reporter_t
> reporters
; ///< reporter -> failed_since etc
64 utime_t max_failed_since
; ///< most recent failed_since
68 utime_t
get_failed_since() {
69 if (max_failed_since
== utime_t() && !reporters
.empty()) {
70 // the old max must have canceled; recalculate.
71 for (auto p
= reporters
.begin(); p
!= reporters
.end(); ++p
)
72 if (p
->second
.failed_since
> max_failed_since
)
73 max_failed_since
= p
->second
.failed_since
;
75 return max_failed_since
;
78 // set the message for the latest report.
79 void add_report(int who
, utime_t failed_since
, MonOpRequestRef op
) {
80 [[maybe_unused
]] auto [it
, new_reporter
] =
81 reporters
.insert_or_assign(who
, failure_reporter_t
{failed_since
, op
});
83 if (max_failed_since
!= utime_t() && max_failed_since
< failed_since
) {
84 max_failed_since
= failed_since
;
89 void take_report_messages(std::list
<MonOpRequestRef
>& ls
) {
90 for (auto p
= reporters
.begin(); p
!= reporters
.end(); ++p
) {
92 ls
.push_back(p
->second
.op
);
98 void cancel_report(int who
) {
100 max_failed_since
= utime_t();
105 class LastEpochClean
{
107 std::vector
<epoch_t
> epoch_by_pg
;
108 ps_t next_missing
= 0;
109 epoch_t floor
= std::numeric_limits
<epoch_t
>::max();
110 void report(ps_t pg
, epoch_t last_epoch_clean
);
112 std::map
<uint64_t, Lec
> report_by_pool
;
114 void report(const pg_t
& pg
, epoch_t last_epoch_clean
);
115 void remove_pool(uint64_t pool
);
116 epoch_t
get_lower_bound(const OSDMap
& latest
) const;
118 void dump(Formatter
*f
) const;
122 struct osdmap_manifest_t
{
123 // all the maps we have pinned -- i.e., won't be removed unless
124 // they are inside a trim interval.
125 std::set
<version_t
> pinned
;
127 osdmap_manifest_t() {}
129 version_t
get_last_pinned() const
131 auto it
= pinned
.crbegin();
132 if (it
== pinned
.crend()) {
138 version_t
get_first_pinned() const
140 auto it
= pinned
.cbegin();
141 if (it
== pinned
.cend()) {
147 bool is_pinned(version_t v
) const
149 return pinned
.find(v
) != pinned
.end();
152 void pin(version_t v
)
157 version_t
get_lower_closest_pinned(version_t v
) const {
158 auto p
= pinned
.lower_bound(v
);
159 if (p
== pinned
.cend()) {
162 if (p
== pinned
.cbegin()) {
170 void encode(ceph::buffer::list
& bl
) const
172 ENCODE_START(1, 1, bl
);
177 void decode(ceph::buffer::list::const_iterator
& bl
)
184 void decode(ceph::buffer::list
& bl
) {
185 auto p
= bl
.cbegin();
189 void dump(ceph::Formatter
*f
) {
190 f
->dump_unsigned("first_pinned", get_first_pinned());
191 f
->dump_unsigned("last_pinned", get_last_pinned());
192 f
->open_array_section("pinned_maps");
193 for (auto& i
: pinned
) {
194 f
->dump_unsigned("epoch", i
);
199 WRITE_CLASS_ENCODER(osdmap_manifest_t
);
201 class OSDMonitor
: public PaxosService
,
202 public md_config_obs_t
{
209 const char** get_tracked_conf_keys() const override
;
210 void handle_conf_change(const ConfigProxy
& conf
,
211 const std::set
<std::string
> &changed
) override
;
213 OSDMap::Incremental pending_inc
;
214 std::map
<int, ceph::buffer::list
> pending_metadata
;
215 std::set
<int> pending_metadata_rm
;
216 std::map
<int, failure_info_t
> failure_info
;
217 std::map
<int,utime_t
> down_pending_out
; // osd down -> out
218 bool priority_convert
= false;
219 std::map
<int64_t,std::set
<snapid_t
>> pending_pseudo_purged_snaps
;
220 std::shared_ptr
<PriorityCache::PriCache
> rocksdb_binned_kv_cache
= nullptr;
221 std::shared_ptr
<PriorityCache::Manager
> pcm
= nullptr;
222 ceph::mutex balancer_lock
= ceph::make_mutex("OSDMonitor::balancer_lock");
224 std::map
<int,double> osd_weight
;
226 using osdmap_key_t
= std::pair
<version_t
, uint64_t>;
227 using osdmap_cache_t
= SimpleLRU
<osdmap_key_t
,
229 std::less
<osdmap_key_t
>,
230 boost::hash
<osdmap_key_t
>>;
231 osdmap_cache_t inc_osd_cache
;
232 osdmap_cache_t full_osd_cache
;
234 bool has_osdmap_manifest
;
235 osdmap_manifest_t osdmap_manifest
;
237 bool check_failures(utime_t now
);
238 bool check_failure(utime_t now
, int target_osd
, failure_info_t
& fi
);
239 utime_t
get_grace_time(utime_t now
, int target_osd
, failure_info_t
& fi
) const;
240 bool is_failure_stale(utime_t now
, failure_info_t
& fi
) const;
241 void force_failure(int target_osd
, int by
);
243 bool _have_pending_crush();
244 CrushWrapper
&_get_stable_crush();
245 void _get_pending_crush(CrushWrapper
& newcrush
);
253 struct CleanUpmapJob
: public ParallelPGMapper::Job
{
255 const OSDMap
& osdmap
;
256 OSDMap::Incremental
& pending_inc
;
257 // lock to protect pending_inc form changing
258 // when checking is done
259 ceph::mutex pending_inc_lock
=
260 ceph::make_mutex("CleanUpmapJob::pending_inc_lock");
262 CleanUpmapJob(CephContext
*cct
, const OSDMap
& om
, OSDMap::Incremental
& pi
)
263 : ParallelPGMapper::Job(&om
),
268 void process(const std::vector
<pg_t
>& to_check
) override
{
269 std::vector
<pg_t
> to_cancel
;
270 std::map
<pg_t
, mempool::osdmap::vector
<std::pair
<int,int>>> to_remap
;
271 osdmap
.check_pg_upmaps(cct
, to_check
, &to_cancel
, &to_remap
);
272 // don't bother taking lock if nothing changes
273 if (!to_cancel
.empty() || !to_remap
.empty()) {
274 std::lock_guard
l(pending_inc_lock
);
275 osdmap
.clean_pg_upmaps(cct
, &pending_inc
, to_cancel
, to_remap
);
279 void process(int64_t poolid
, unsigned ps_begin
, unsigned ps_end
) override
{}
280 void complete() override
{}
281 }; // public as this will need to be accessible from TestTestOSDMap.cc
285 void create_initial() override
;
286 void get_store_prefixes(std::set
<std::string
>& s
) const override
;
289 void update_from_paxos(bool *need_bootstrap
) override
;
290 void create_pending() override
; // prepare a new pending
291 void encode_pending(MonitorDBStore::TransactionRef t
) override
;
292 void on_active() override
;
293 void on_restart() override
;
294 void on_shutdown() override
;
296 /* osdmap full map prune */
297 void load_osdmap_manifest();
298 bool should_prune() const;
299 void _prune_update_trimmed(
300 MonitorDBStore::TransactionRef tx
,
302 void prune_init(osdmap_manifest_t
& manifest
);
303 bool _prune_sanitize_options() const;
304 bool is_prune_enabled() const;
305 bool is_prune_supported() const;
306 bool do_prune(MonitorDBStore::TransactionRef tx
);
308 // Priority cache control
309 uint32_t mon_osd_cache_size
= 0; ///< Number of cached OSDMaps
310 uint64_t rocksdb_cache_size
= 0; ///< Cache for kv Db
311 double cache_kv_ratio
= 0; ///< Cache ratio dedicated to kv
312 double cache_inc_ratio
= 0; ///< Cache ratio dedicated to inc
313 double cache_full_ratio
= 0; ///< Cache ratio dedicated to full
314 uint64_t mon_memory_base
= 0; ///< Mon base memory for cache autotuning
315 double mon_memory_fragmentation
= 0; ///< Expected memory fragmentation
316 uint64_t mon_memory_target
= 0; ///< Mon target memory for cache autotuning
317 uint64_t mon_memory_min
= 0; ///< Min memory to cache osdmaps
318 bool mon_memory_autotune
= false; ///< Cache auto tune setting
319 int register_cache_with_pcm();
320 int _set_cache_sizes();
321 int _set_cache_ratios();
322 void _set_new_cache_sizes();
323 void _set_cache_autotuning();
324 int _update_mon_cache_settings();
326 friend struct OSDMemCache
;
327 friend struct IncCache
;
328 friend struct FullCache
;
331 * we haven't delegated full version stashing to paxosservice for some time
332 * now, making this function useless in current context.
334 void encode_full(MonitorDBStore::TransactionRef t
) override
{ }
336 * do not let paxosservice periodically stash full osdmaps, or we will break our
337 * locally-managed full maps. (update_from_paxos loads the latest and writes them
338 * out going forward from there, but if we just synced that may mean we skip some.)
340 bool should_stash_full() override
{
345 * hook into trim to include the oldest full map in the trim transaction
347 * This ensures that anyone post-sync will have enough to rebuild their
350 void encode_trim_extra(MonitorDBStore::TransactionRef tx
, version_t first
) override
;
352 void update_msgr_features();
354 * check if the cluster supports the features required by the
355 * given crush map. Outputs the daemons which don't support it
356 * to the stringstream.
358 * @returns true if the map is passable, false otherwise
360 bool validate_crush_against_features(const CrushWrapper
*newcrush
,
361 std::stringstream
&ss
);
362 void check_osdmap_subs();
363 void share_map_with_random_osd();
365 ceph::mutex prime_pg_temp_lock
=
366 ceph::make_mutex("OSDMonitor::prime_pg_temp_lock");
367 struct PrimeTempJob
: public ParallelPGMapper::Job
{
369 PrimeTempJob(const OSDMap
& om
, OSDMonitor
*m
)
370 : ParallelPGMapper::Job(&om
), osdmon(m
) {}
371 void process(int64_t pool
, unsigned ps_begin
, unsigned ps_end
) override
{
372 for (unsigned ps
= ps_begin
; ps
< ps_end
; ++ps
) {
374 osdmon
->prime_pg_temp(*osdmap
, pgid
);
377 void process(const std::vector
<pg_t
>& pgs
) override
{}
378 void complete() override
{}
380 void maybe_prime_pg_temp();
381 void prime_pg_temp(const OSDMap
& next
, pg_t pgid
);
383 ParallelPGMapper mapper
; ///< for background pg work
384 OSDMapMapping mapping
; ///< pg <-> osd mappings
385 std::unique_ptr
<ParallelPGMapper::Job
> mapping_job
; ///< background mapping job
386 void start_mapping();
388 void update_logger();
390 void handle_query(PaxosServiceMessage
*m
);
391 bool preprocess_query(MonOpRequestRef op
) override
; // true if processed.
392 bool prepare_update(MonOpRequestRef op
) override
;
393 bool should_propose(double &delay
) override
;
395 version_t
get_trim_to() const override
;
397 bool can_mark_down(int o
);
398 bool can_mark_up(int o
);
399 bool can_mark_out(int o
);
400 bool can_mark_in(int o
);
403 MOSDMap
*build_latest_full(uint64_t features
);
404 MOSDMap
*build_incremental(epoch_t first
, epoch_t last
, uint64_t features
);
405 void send_full(MonOpRequestRef op
);
406 void send_incremental(MonOpRequestRef op
, epoch_t first
);
409 * Make sure the existing (up) OSDs support the given features
410 * @return 0 on success, or an error code if any OSDs re missing features.
411 * @param ss Filled in with ane explanation of failure, if any
413 int check_cluster_features(uint64_t features
, std::stringstream
&ss
);
414 // @param req an optional op request, if the osdmaps are replies to it. so
415 // @c Monitor::send_reply() can mark_event with it.
416 void send_incremental(epoch_t first
, MonSession
*session
, bool onetime
,
417 MonOpRequestRef req
= MonOpRequestRef());
420 void print_utilization(std::ostream
&out
, ceph::Formatter
*f
, bool tree
) const;
422 bool check_source(MonOpRequestRef op
, uuid_d fsid
);
424 bool preprocess_get_osdmap(MonOpRequestRef op
);
426 bool preprocess_mark_me_down(MonOpRequestRef op
);
428 friend class C_AckMarkedDown
;
429 bool preprocess_failure(MonOpRequestRef op
);
430 bool prepare_failure(MonOpRequestRef op
);
431 bool prepare_mark_me_down(MonOpRequestRef op
);
432 void process_failures();
433 void take_all_failures(std::list
<MonOpRequestRef
>& ls
);
435 bool preprocess_mark_me_dead(MonOpRequestRef op
);
436 bool prepare_mark_me_dead(MonOpRequestRef op
);
438 bool preprocess_full(MonOpRequestRef op
);
439 bool prepare_full(MonOpRequestRef op
);
441 bool preprocess_boot(MonOpRequestRef op
);
442 bool prepare_boot(MonOpRequestRef op
);
443 void _booted(MonOpRequestRef op
, bool logit
);
445 void update_up_thru(int from
, epoch_t up_thru
);
446 bool preprocess_alive(MonOpRequestRef op
);
447 bool prepare_alive(MonOpRequestRef op
);
448 void _reply_map(MonOpRequestRef op
, epoch_t e
);
450 bool preprocess_pgtemp(MonOpRequestRef op
);
451 bool prepare_pgtemp(MonOpRequestRef op
);
453 bool preprocess_pg_created(MonOpRequestRef op
);
454 bool prepare_pg_created(MonOpRequestRef op
);
456 bool preprocess_pg_ready_to_merge(MonOpRequestRef op
);
457 bool prepare_pg_ready_to_merge(MonOpRequestRef op
);
459 int _check_remove_pool(int64_t pool_id
, const pg_pool_t
&pool
, std::ostream
*ss
);
460 bool _check_become_tier(
461 int64_t tier_pool_id
, const pg_pool_t
*tier_pool
,
462 int64_t base_pool_id
, const pg_pool_t
*base_pool
,
463 int *err
, std::ostream
*ss
) const;
464 bool _check_remove_tier(
465 int64_t base_pool_id
, const pg_pool_t
*base_pool
, const pg_pool_t
*tier_pool
,
466 int *err
, std::ostream
*ss
) const;
468 int _prepare_remove_pool(int64_t pool
, std::ostream
*ss
, bool no_fake
);
469 int _prepare_rename_pool(int64_t pool
, std::string newname
);
471 bool enforce_pool_op_caps(MonOpRequestRef op
);
472 bool preprocess_pool_op (MonOpRequestRef op
);
473 bool preprocess_pool_op_create (MonOpRequestRef op
);
474 bool prepare_pool_op (MonOpRequestRef op
);
475 bool prepare_pool_op_create (MonOpRequestRef op
);
476 bool prepare_pool_op_delete(MonOpRequestRef op
);
477 int crush_rename_bucket(const std::string
& srcname
,
478 const std::string
& dstname
,
480 void check_legacy_ec_plugin(const std::string
& plugin
,
481 const std::string
& profile
) const;
482 int normalize_profile(const std::string
& profilename
,
483 ceph::ErasureCodeProfile
&profile
,
486 int crush_rule_create_erasure(const std::string
&name
,
487 const std::string
&profile
,
490 int get_crush_rule(const std::string
&rule_name
,
493 int get_erasure_code(const std::string
&erasure_code_profile
,
494 ceph::ErasureCodeInterfaceRef
*erasure_code
,
495 std::ostream
*ss
) const;
496 int prepare_pool_crush_rule(const unsigned pool_type
,
497 const std::string
&erasure_code_profile
,
498 const std::string
&rule_name
,
501 bool erasure_code_profile_in_use(
502 const mempool::osdmap::map
<int64_t, pg_pool_t
> &pools
,
503 const std::string
&profile
,
505 int parse_erasure_code_profile(const std::vector
<std::string
> &erasure_code_profile
,
506 std::map
<std::string
,std::string
> *erasure_code_profile_map
,
508 int prepare_pool_size(const unsigned pool_type
,
509 const std::string
&erasure_code_profile
,
511 unsigned *size
, unsigned *min_size
,
513 int prepare_pool_stripe_width(const unsigned pool_type
,
514 const std::string
&erasure_code_profile
,
515 unsigned *stripe_width
,
517 int check_pg_num(int64_t pool
, int pg_num
, int size
, std::ostream
* ss
);
518 int prepare_new_pool(std::string
& name
,
520 const std::string
&crush_rule_name
,
521 unsigned pg_num
, unsigned pgp_num
,
524 const uint64_t target_size_bytes
,
525 const float target_size_ratio
,
526 const std::string
&erasure_code_profile
,
527 const unsigned pool_type
,
528 const uint64_t expected_num_objects
,
529 FastReadType fast_read
,
530 const std::string
& pg_autoscale_mode
,
532 int prepare_new_pool(MonOpRequestRef op
);
534 void set_pool_flags(int64_t pool_id
, uint64_t flags
);
535 void clear_pool_flags(int64_t pool_id
, uint64_t flags
);
536 bool update_pools_status();
538 bool _is_removed_snap(int64_t pool_id
, snapid_t snapid
);
539 bool _is_pending_removed_snap(int64_t pool_id
, snapid_t snapid
);
541 std::string
make_purged_snap_epoch_key(epoch_t epoch
);
542 std::string
make_purged_snap_key(int64_t pool
, snapid_t snap
);
543 std::string
make_purged_snap_key_value(int64_t pool
, snapid_t snap
, snapid_t num
,
544 epoch_t epoch
, ceph::buffer::list
*v
);
546 bool try_prune_purged_snaps();
547 int lookup_purged_snap(int64_t pool
, snapid_t snap
,
548 snapid_t
*begin
, snapid_t
*end
);
550 void insert_purged_snap_update(
552 snapid_t start
, snapid_t end
,
554 MonitorDBStore::TransactionRef t
);
556 bool prepare_set_flag(MonOpRequestRef op
, int flag
);
557 bool prepare_unset_flag(MonOpRequestRef op
, int flag
);
559 void _pool_op_reply(MonOpRequestRef op
,
560 int ret
, epoch_t epoch
, ceph::buffer::list
*blp
=NULL
);
562 struct C_Booted
: public C_MonOp
{
565 C_Booted(OSDMonitor
*cm
, MonOpRequestRef op_
, bool l
=true) :
566 C_MonOp(op_
), cmon(cm
), logit(l
) {}
567 void _finish(int r
) override
{
569 cmon
->_booted(op
, logit
);
570 else if (r
== -ECANCELED
)
572 else if (r
== -EAGAIN
)
575 ceph_abort_msg("bad C_Booted return value");
579 struct C_ReplyMap
: public C_MonOp
{
582 C_ReplyMap(OSDMonitor
*o
, MonOpRequestRef op_
, epoch_t ee
)
583 : C_MonOp(op_
), osdmon(o
), e(ee
) {}
584 void _finish(int r
) override
{
586 osdmon
->_reply_map(op
, e
);
587 else if (r
== -ECANCELED
)
589 else if (r
== -EAGAIN
)
590 osdmon
->dispatch(op
);
592 ceph_abort_msg("bad C_ReplyMap return value");
595 struct C_PoolOp
: public C_MonOp
{
599 ceph::buffer::list reply_data
;
600 C_PoolOp(OSDMonitor
* osd
, MonOpRequestRef op_
, int rc
, int e
, ceph::buffer::list
*rd
=NULL
) :
601 C_MonOp(op_
), osdmon(osd
), replyCode(rc
), epoch(e
) {
605 void _finish(int r
) override
{
607 osdmon
->_pool_op_reply(op
, replyCode
, epoch
, &reply_data
);
608 else if (r
== -ECANCELED
)
610 else if (r
== -EAGAIN
)
611 osdmon
->dispatch(op
);
613 ceph_abort_msg("bad C_PoolOp return value");
617 bool preprocess_remove_snaps(MonOpRequestRef op
);
618 bool prepare_remove_snaps(MonOpRequestRef op
);
620 bool preprocess_get_purged_snaps(MonOpRequestRef op
);
622 int load_metadata(int osd
, std::map
<std::string
, std::string
>& m
,
624 void count_metadata(const std::string
& field
, ceph::Formatter
*f
);
626 void reencode_incremental_map(ceph::buffer::list
& bl
, uint64_t features
);
627 void reencode_full_map(ceph::buffer::list
& bl
, uint64_t features
);
629 void count_metadata(const std::string
& field
, std::map
<std::string
,int> *out
);
630 void get_versions(std::map
<std::string
, std::list
<std::string
>> &versions
);
632 int get_osd_objectstore_type(int osd
, std::string
*type
);
633 bool is_pool_currently_all_bluestore(int64_t pool_id
, const pg_pool_t
&pool
,
636 // when we last received PG stats from each osd and the osd's osd_beacon_report_interval
637 std::map
<int, std::pair
<utime_t
, int>> last_osd_report
;
638 // TODO: use last_osd_report to store the osd report epochs, once we don't
639 // need to upgrade from pre-luminous releases.
640 std::map
<int,epoch_t
> osd_epochs
;
641 LastEpochClean last_epoch_clean
;
642 bool preprocess_beacon(MonOpRequestRef op
);
643 bool prepare_beacon(MonOpRequestRef op
);
644 epoch_t
get_min_last_epoch_clean() const;
646 friend class C_UpdateCreatingPGs
;
647 std::map
<int, std::map
<epoch_t
, std::set
<spg_t
>>> creating_pgs_by_osd_epoch
;
648 std::vector
<pg_t
> pending_created_pgs
;
649 // the epoch when the pg mapping was calculated
650 epoch_t creating_pgs_epoch
= 0;
651 creating_pgs_t creating_pgs
;
652 mutable std::mutex creating_pgs_lock
;
654 creating_pgs_t
update_pending_pgs(const OSDMap::Incremental
& inc
,
655 const OSDMap
& nextmap
);
656 unsigned scan_for_creating_pgs(
657 const mempool::osdmap::map
<int64_t,pg_pool_t
>& pools
,
658 const mempool::osdmap::set
<int64_t>& removed_pools
,
660 creating_pgs_t
* creating_pgs
) const;
661 std::pair
<int32_t, pg_t
> get_parent_pg(pg_t pgid
) const;
662 void update_creating_pgs();
663 void check_pg_creates_subs();
664 epoch_t
send_pg_creates(int osd
, Connection
*con
, epoch_t next
) const;
666 int32_t _allocate_osd_id(int32_t* existing_id
);
668 int get_grace_interval_threshold();
669 bool grace_interval_threshold_exceeded(int last_failed
);
670 void set_default_laggy_params(int target_osd
);
673 OSDMonitor(CephContext
*cct
, Monitor
&mn
, Paxos
&p
, const std::string
& service_name
);
675 void tick() override
; // check state, take actions
677 bool preprocess_command(MonOpRequestRef op
);
678 bool prepare_command(MonOpRequestRef op
);
679 bool prepare_command_impl(MonOpRequestRef op
, const cmdmap_t
& cmdmap
);
681 int validate_osd_create(
684 const bool check_osd_exists
,
685 int32_t* existing_id
,
686 std::stringstream
& ss
);
687 int prepare_command_osd_create(
690 int32_t* existing_id
,
691 std::stringstream
& ss
);
692 void do_osd_create(const int32_t id
, const uuid_d
& uuid
,
693 const std::string
& device_class
,
695 int prepare_command_osd_purge(int32_t id
, std::stringstream
& ss
);
696 int prepare_command_osd_destroy(int32_t id
, std::stringstream
& ss
);
697 int _prepare_command_osd_crush_remove(
698 CrushWrapper
&newcrush
,
703 void do_osd_crush_remove(CrushWrapper
& newcrush
);
704 int prepare_command_osd_crush_remove(
705 CrushWrapper
&newcrush
,
710 int prepare_command_osd_remove(int32_t id
);
711 int prepare_command_osd_new(
713 const cmdmap_t
& cmdmap
,
714 const std::map
<std::string
,std::string
>& secrets
,
715 std::stringstream
&ss
,
718 int prepare_command_pool_set(const cmdmap_t
& cmdmap
,
719 std::stringstream
& ss
);
721 int prepare_command_pool_application(const std::string
&prefix
,
722 const cmdmap_t
& cmdmap
,
723 std::stringstream
& ss
);
724 int preprocess_command_pool_application(const std::string
&prefix
,
725 const cmdmap_t
& cmdmap
,
726 std::stringstream
& ss
,
728 int _command_pool_application(const std::string
&prefix
,
729 const cmdmap_t
& cmdmap
,
730 std::stringstream
& ss
,
734 bool handle_osd_timeouts(const utime_t
&now
,
735 std::map
<int, std::pair
<utime_t
, int>> &last_osd_report
);
737 void send_latest(MonOpRequestRef op
, epoch_t start
=0);
738 void send_latest_now_nodelete(MonOpRequestRef op
, epoch_t start
=0) {
739 op
->mark_osdmon_event(__func__
);
740 send_incremental(op
, start
);
743 int get_version(version_t ver
, ceph::buffer::list
& bl
) override
;
744 int get_version(version_t ver
, uint64_t feature
, ceph::buffer::list
& bl
);
746 int get_version_full(version_t ver
, uint64_t feature
, ceph::buffer::list
& bl
);
747 int get_version_full(version_t ver
, ceph::buffer::list
& bl
) override
;
748 int get_inc(version_t ver
, OSDMap::Incremental
& inc
);
749 int get_full_from_pinned_map(version_t ver
, ceph::buffer::list
& bl
);
751 epoch_t
blocklist(const entity_addrvec_t
& av
, utime_t until
);
752 epoch_t
blocklist(entity_addr_t a
, utime_t until
);
754 void dump_info(ceph::Formatter
*f
);
755 int dump_osd_metadata(int osd
, ceph::Formatter
*f
, std::ostream
*err
);
756 void print_nodes(ceph::Formatter
*f
);
758 void check_osdmap_sub(Subscription
*sub
);
759 void check_pg_creates_sub(Subscription
*sub
);
761 void do_application_enable(int64_t pool_id
, const std::string
&app_name
,
762 const std::string
&app_key
="",
763 const std::string
&app_value
="",
765 void do_set_pool_opt(int64_t pool_id
, pool_opts_t::key_t opt
,
766 pool_opts_t::value_t
);
768 void add_flag(int flag
) {
769 if (!(osdmap
.flags
& flag
)) {
770 if (pending_inc
.new_flags
< 0)
771 pending_inc
.new_flags
= osdmap
.flags
;
772 pending_inc
.new_flags
|= flag
;
776 void remove_flag(int flag
) {
777 if(osdmap
.flags
& flag
) {
778 if (pending_inc
.new_flags
< 0)
779 pending_inc
.new_flags
= osdmap
.flags
;
780 pending_inc
.new_flags
&= ~flag
;
783 void convert_pool_priorities(void);
785 * Find the pools which are requested to be put into stretch mode,
786 * validate that they are allowed to be in stretch mode (eg, are replicated)
787 * and place copies of them in the pools set.
788 * This does not make any changes to the pools or state; it's just
789 * a safety-check-and-collect function.
791 void try_enable_stretch_mode_pools(stringstream
& ss
, bool *okay
,
793 set
<pg_pool_t
*>* pools
, const string
& new_crush_rule
);
795 * Check validity of inputs and OSD/CRUSH state to
796 * engage stretch mode. Designed to be used with
797 * MonmapMonitor::try_enable_stretch_mode() where we call both twice,
798 * first with commit=false to validate.
799 * @param ss: a stringstream to write errors into
800 * @param okay: Filled to true if okay, false if validation fails
801 * @param errcode: filled with -errno if there's a problem
802 * @param commit: true if we should commit the change, false if just testing
803 * @param dividing_bucket: the bucket type (eg 'dc') that divides the cluster
804 * @param bucket_count: The number of buckets required in peering.
805 * Currently must be 2.
806 * @param pools: The pg_pool_ts which are being set to stretch mode (obtained
807 * from try_enable_stretch_mode_pools()).
808 * @param new_crush_rule: The crush rule to set the pools to.
810 void try_enable_stretch_mode(stringstream
& ss
, bool *okay
,
811 int *errcode
, bool commit
,
812 const string
& dividing_bucket
,
813 uint32_t bucket_count
,
814 const set
<pg_pool_t
*>& pools
,
815 const string
& new_crush_rule
);
817 * Check the input dead_buckets mapping (buckets->dead monitors) to see
818 * if the OSDs are also down. If so, fill in really_down_buckets and
819 * really_down_mons and return true; else return false.
821 bool check_for_dead_crush_zones(const map
<string
,set
<string
>>& dead_buckets
,
822 set
<int> *really_down_buckets
,
823 set
<string
> *really_down_mons
);
825 * Set degraded mode in the OSDMap, adding the given dead buckets to the dead set
826 * and using the live_zones (should presently be size 1)
828 void trigger_degraded_stretch_mode(const set
<int>& dead_buckets
,
829 const set
<string
>& live_zones
);
831 * This is just to maintain stretch_recovery_triggered; below
833 void set_degraded_stretch_mode();
835 * Set recovery stretch mode in the OSDMap, resetting pool size back to normal
837 void trigger_recovery_stretch_mode();
839 * This is just to maintain stretch_recovery_triggered; below
841 void set_recovery_stretch_mode();
843 * This is just to maintain stretch_recovery_triggered; below
845 void set_healthy_stretch_mode();
847 * Tells the OSD there's a new pg digest, in case it's interested.
848 * (It's interested when in recovering stretch mode.)
850 void notify_new_pg_digest();
852 * Check if we can exit recovery stretch mode and go back to normal.
853 * @param force If true, we will force the exit through once it is legal,
854 * without regard to the reported PG status.
856 void try_end_recovery_stretch_mode(bool force
);
858 * Sets the osdmap and pg_pool_t values back to healthy stretch mode status.
860 void trigger_healthy_stretch_mode();
862 utime_t stretch_recovery_triggered
; // what time we committed a switch to recovery mode