/
test_mon_workloadgen.cc
1106 lines (939 loc) · 28.4 KB
/
test_mon_workloadgen.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// -*- 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>
*
* 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"
#ifdef HAVE_SYS_MOUNT_H
#include <sys/mount.h>
#endif
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
#include <iostream>
#include <string>
#include <map>
#include <boost/scoped_ptr.hpp>
#include <boost/random/mersenne_twister.hpp>
#include <boost/random/uniform_int.hpp>
#include "osd/osd_types.h"
#include "osd/OSD.h"
#include "osdc/Objecter.h"
#include "mon/MonClient.h"
#include "msg/Dispatcher.h"
#include "msg/Messenger.h"
#include "common/Timer.h"
#include "common/ceph_argparse.h"
#include "global/global_init.h"
#include "global/signal_handler.h"
#include "common/config.h"
#include "common/debug.h"
#include "common/errno.h"
#include "common/Cond.h"
#include "common/Mutex.h"
#include "common/strtol.h"
#include "common/LogEntry.h"
#include "auth/KeyRing.h"
#include "auth/AuthAuthorizeHandler.h"
#include "include/uuid.h"
#include "include/assert.h"
#include "messages/MOSDBoot.h"
#include "messages/MOSDAlive.h"
#include "messages/MOSDPGCreate.h"
#include "messages/MOSDPGRemove.h"
#include "messages/MOSDMap.h"
#include "messages/MPGStats.h"
#include "messages/MLog.h"
#include "messages/MOSDPGTemp.h"
using namespace std;
#define dout_subsys ceph_subsys_
#undef dout_prefix
#define dout_prefix _prefix(_dout, get_name())
static ostream& _prefix(std::ostream *_dout, string n) {
return *_dout << " stub(" << n << ") ";
}
typedef boost::mt11213b rngen_t;
typedef boost::scoped_ptr<Messenger> MessengerRef;
typedef boost::scoped_ptr<Objecter> ObjecterRef;
class TestStub : public Dispatcher
{
protected:
MessengerRef messenger;
MonClient monc;
Mutex lock;
Cond cond;
SafeTimer timer;
bool do_shutdown;
double tick_seconds;
struct C_Tick : public Context {
TestStub *s;
C_Tick(TestStub *stub) : s(stub) {}
void finish(int r) {
generic_dout(20) << "C_Tick::" << __func__ << dendl;
if (r == -ECANCELED) {
generic_dout(20) << "C_Tick::" << __func__
<< " shutdown" << dendl;
return;
}
s->tick();
}
};
virtual bool ms_dispatch(Message *m) = 0;
virtual void ms_handle_connect(Connection *con) = 0;
virtual void ms_handle_remote_reset(Connection *con) = 0;
virtual int _shutdown() = 0;
// courtesy method to be implemented by the stubs at their
// own discretion
virtual void _tick() { }
// different stubs may have different needs; if a stub needs
// to tick, then it must call this function.
void start_ticking(double t=1.0) {
tick_seconds = t;
if (t <= 0) {
stop_ticking();
return;
}
dout(20) << __func__ << " adding tick timer" << dendl;
timer.add_event_after(tick_seconds, new C_Tick(this));
}
// If we have a function to start ticking that the stubs can
// use at their own discretion, then we should also have a
// function to disable said ticking to be used the same way.
// Just in case.
// For simplicity's sake, we don't cancel the tick right off
// the bat; instead, we wait for the next tick to kick in and
// disable itself.
void stop_ticking() {
dout(20) << __func__ << " disable tick" << dendl;
tick_seconds = 0;
}
public:
void tick() {
std::cout << __func__ << std::endl;
if (do_shutdown || (tick_seconds <= 0)) {
std::cout << __func__ << " "
<< (do_shutdown ? "shutdown" : "stop ticking")
<< std::endl;
return;
}
_tick();
timer.add_event_after(tick_seconds, new C_Tick(this));
}
virtual const string get_name() = 0;
virtual int init() = 0;
virtual int shutdown() {
Mutex::Locker l(lock);
do_shutdown = true;
int r = _shutdown();
if (r < 0) {
dout(10) << __func__ << " error shutting down: "
<< cpp_strerror(-r) << dendl;
return r;
}
monc.shutdown();
timer.shutdown();
messenger->shutdown();
return 0;
}
virtual void print(ostream &out) {
out << "stub(" << get_name() << ")";
}
void wait() {
if (messenger != NULL)
messenger->wait();
}
TestStub(CephContext *cct, string who)
: Dispatcher(cct),
monc(cct),
lock(who.append("::lock").c_str()),
timer(cct, lock),
do_shutdown(false),
tick_seconds(0.0) { }
};
class ClientStub : public TestStub
{
ObjecterRef objecter;
rngen_t gen;
protected:
bool ms_dispatch(Message *m) {
Mutex::Locker l(lock);
dout(1) << "client::" << __func__ << " " << *m << dendl;
switch (m->get_type()) {
case CEPH_MSG_OSD_MAP:
objecter->handle_osd_map((MOSDMap*)m);
cond.Signal();
break;
}
return true;
}
void ms_handle_connect(Connection *con) {
dout(1) << "client::" << __func__ << " " << con << dendl;
Mutex::Locker l(lock);
objecter->ms_handle_connect(con);
}
void ms_handle_remote_reset(Connection *con) {
dout(1) << "client::" << __func__ << " " << con << dendl;
Mutex::Locker l(lock);
objecter->ms_handle_remote_reset(con);
}
bool ms_handle_reset(Connection *con) {
dout(1) << "client::" << __func__ << dendl;
Mutex::Locker l(lock);
objecter->ms_handle_reset(con);
return false;
}
const string get_name() {
return "client";
}
virtual int _shutdown() {
if (objecter) {
objecter->shutdown();
}
return 0;
}
public:
ClientStub(CephContext *cct)
: TestStub(cct, "client"),
gen((int) time(NULL))
{ }
int init() {
int err;
err = monc.build_initial_monmap();
if (err < 0) {
derr << "ClientStub::" << __func__ << " ERROR: build initial monmap: "
<< cpp_strerror(err) << dendl;
return err;
}
messenger.reset(Messenger::create_client_messenger(cct, "stubclient"));
assert(messenger.get() != NULL);
messenger->set_default_policy(
Messenger::Policy::lossy_client(0, CEPH_FEATURE_OSDREPLYMUX));
dout(10) << "ClientStub::" << __func__ << " starting messenger at "
<< messenger->get_myaddr() << dendl;
objecter.reset(new Objecter(cct, messenger.get(), &monc, NULL, 0, 0));
assert(objecter.get() != NULL);
objecter->set_balanced_budget();
monc.set_messenger(messenger.get());
objecter->init();
messenger->add_dispatcher_head(this);
messenger->start();
monc.set_want_keys(CEPH_ENTITY_TYPE_MON|CEPH_ENTITY_TYPE_OSD);
err = monc.init();
if (err < 0) {
derr << "ClientStub::" << __func__ << " monc init error: "
<< cpp_strerror(-err) << dendl;
return err;
}
err = monc.authenticate();
if (err < 0) {
derr << "ClientStub::" << __func__ << " monc authenticate error: "
<< cpp_strerror(-err) << dendl;
monc.shutdown();
return err;
}
monc.wait_auth_rotating(30.0);
objecter->set_client_incarnation(0);
objecter->start();
lock.Lock();
timer.init();
monc.renew_subs();
lock.Unlock();
objecter->wait_for_osd_map();
dout(10) << "ClientStub::" << __func__ << " done" << dendl;
return 0;
}
};
typedef boost::scoped_ptr<AuthAuthorizeHandlerRegistry> AuthHandlerRef;
class OSDStub : public TestStub
{
AuthHandlerRef auth_handler_registry;
int whoami;
OSDSuperblock sb;
OSDMap osdmap;
osd_stat_t osd_stat;
map<pg_t,pg_stat_t> pgs;
set<pg_t> pgs_changes;
rngen_t gen;
boost::uniform_int<> mon_osd_rng;
utime_t last_boot_attempt;
static const double STUB_BOOT_INTERVAL;
public:
enum {
STUB_MON_OSD_ALIVE = 1,
STUB_MON_OSD_PGTEMP = 2,
STUB_MON_OSD_FAILURE = 3,
STUB_MON_OSD_PGSTATS = 4,
STUB_MON_LOG = 5,
STUB_MON_OSD_FIRST = STUB_MON_OSD_ALIVE,
STUB_MON_OSD_LAST = STUB_MON_LOG,
};
struct C_CreatePGs : public Context {
OSDStub *s;
C_CreatePGs(OSDStub *stub) : s(stub) {}
void finish(int r) {
if (r == -ECANCELED) {
generic_dout(20) << "C_CreatePGs::" << __func__
<< " shutdown" << dendl;
return;
}
generic_dout(20) << "C_CreatePGs::" << __func__ << dendl;
s->auto_create_pgs();
}
};
OSDStub(int _whoami, CephContext *cct)
: TestStub(cct, "osd"),
auth_handler_registry(new AuthAuthorizeHandlerRegistry(
cct,
cct->_conf->auth_cluster_required.length() ?
cct->_conf->auth_cluster_required :
cct->_conf->auth_supported)),
whoami(_whoami),
gen(whoami),
mon_osd_rng(STUB_MON_OSD_FIRST, STUB_MON_OSD_LAST)
{
dout(20) << __func__ << " auth supported: "
<< cct->_conf->auth_supported << dendl;
stringstream ss;
ss << "client-osd" << whoami;
messenger.reset(Messenger::create(cct, cct->_conf->ms_type, entity_name_t::OSD(whoami),
ss.str().c_str(), getpid()));
Throttle throttler(g_ceph_context, "osd_client_bytes",
g_conf->osd_client_message_size_cap);
uint64_t supported =
CEPH_FEATURE_UID |
CEPH_FEATURE_NOSRCADDR |
CEPH_FEATURE_PGID64;
messenger->set_default_policy(
Messenger::Policy::stateless_server(supported, 0));
messenger->set_policy_throttlers(entity_name_t::TYPE_CLIENT,
&throttler, NULL);
messenger->set_policy(entity_name_t::TYPE_MON,
Messenger::Policy::lossy_client(supported, CEPH_FEATURE_UID |
CEPH_FEATURE_PGID64 |
CEPH_FEATURE_OSDENC));
messenger->set_policy(entity_name_t::TYPE_OSD,
Messenger::Policy::stateless_server(0,0));
dout(10) << __func__ << " public addr " << g_conf->public_addr << dendl;
int err = messenger->bind(g_conf->public_addr);
if (err < 0)
exit(1);
if (monc.build_initial_monmap() < 0)
exit(1);
messenger->start();
monc.set_messenger(messenger.get());
}
int init() {
dout(10) << __func__ << dendl;
Mutex::Locker l(lock);
dout(1) << __func__ << " fsid " << monc.monmap.fsid
<< " osd_fsid " << g_conf->osd_uuid << dendl;
dout(1) << __func__ << " name " << g_conf->name << dendl;
timer.init();
messenger->add_dispatcher_head(this);
monc.set_want_keys(CEPH_ENTITY_TYPE_MON | CEPH_ENTITY_TYPE_OSD);
int err = monc.init();
if (err < 0) {
derr << __func__ << " monc init error: "
<< cpp_strerror(-err) << dendl;
return err;
}
err = monc.authenticate();
if (err < 0) {
derr << __func__ << " monc authenticate error: "
<< cpp_strerror(-err) << dendl;
monc.shutdown();
return err;
}
assert(!monc.get_fsid().is_zero());
monc.wait_auth_rotating(30.0);
dout(10) << __func__ << " creating osd superblock" << dendl;
sb.cluster_fsid = monc.monmap.fsid;
sb.osd_fsid.generate_random();
sb.whoami = whoami;
sb.compat_features = CompatSet();
dout(20) << __func__ << " " << sb << dendl;
dout(20) << __func__ << " osdmap " << osdmap << dendl;
update_osd_stat();
start_ticking();
// give a chance to the mons to inform us of what PGs we should create
timer.add_event_after(30.0, new C_CreatePGs(this));
return 0;
}
int _shutdown() {
return 0;
}
void boot() {
dout(1) << __func__ << " boot?" << dendl;
utime_t now = ceph_clock_now(messenger->cct);
if ((last_boot_attempt > 0.0)
&& ((now - last_boot_attempt)) <= STUB_BOOT_INTERVAL) {
dout(1) << __func__ << " backoff and try again later." << dendl;
return;
}
dout(1) << __func__ << " boot!" << dendl;
MOSDBoot *mboot = new MOSDBoot;
mboot->sb = sb;
last_boot_attempt = now;
monc.send_mon_message(mboot);
}
void add_pg(pg_t pgid, epoch_t epoch, pg_t parent) {
utime_t now = ceph_clock_now(messenger->cct);
pg_stat_t s;
s.created = epoch;
s.last_epoch_clean = epoch;
s.parent = parent;
s.state |= PG_STATE_CLEAN | PG_STATE_ACTIVE;
s.last_fresh = now;
s.last_change = now;
s.last_clean = now;
s.last_active = now;
s.last_unstale = now;
pgs[pgid] = s;
pgs_changes.insert(pgid);
}
void auto_create_pgs() {
bool has_pgs = !pgs.empty();
dout(10) << __func__
<< ": " << (has_pgs ? "has pgs; ignore" : "create pgs") << dendl;
if (has_pgs)
return;
if (!osdmap.get_epoch()) {
dout(1) << __func__
<< " still don't have osdmap; reschedule pg creation" << dendl;
timer.add_event_after(10.0, new C_CreatePGs(this));
return;
}
const map<int64_t,pg_pool_t> &osdmap_pools = osdmap.get_pools();
map<int64_t,pg_pool_t>::const_iterator pit;
for (pit = osdmap_pools.begin(); pit != osdmap_pools.end(); ++pit) {
const int64_t pool_id = pit->first;
const pg_pool_t &pool = pit->second;
int ruleno = pool.get_crush_ruleset();
if (!osdmap.crush->rule_exists(ruleno)) {
dout(20) << __func__
<< " no crush rule for pool id " << pool_id
<< " rule no " << ruleno << dendl;
continue;
}
epoch_t pool_epoch = pool.get_last_change();
dout(20) << __func__
<< " pool num pgs " << pool.get_pg_num()
<< " epoch " << pool_epoch << dendl;
for (ps_t ps = 0; ps < pool.get_pg_num(); ++ps) {
pg_t pgid(ps, pool_id, -1);
pg_t parent;
dout(20) << __func__
<< " pgid " << pgid << " parent " << parent << dendl;
add_pg(pgid, pool_epoch, parent);
}
}
}
void update_osd_stat() {
struct statfs stbuf;
int ret = statfs(".", &stbuf);
if (ret < 0) {
ret = -errno;
dout(0) << __func__
<< " cannot statfs ." << cpp_strerror(ret) << dendl;
return;
}
osd_stat.kb = stbuf.f_blocks * stbuf.f_bsize / 1024;
osd_stat.kb_used = (stbuf.f_blocks - stbuf.f_bfree) * stbuf.f_bsize / 1024;
osd_stat.kb_avail = stbuf.f_bavail * stbuf.f_bsize / 1024;
}
void send_pg_stats() {
dout(10) << __func__
<< " pgs " << pgs.size() << " osdmap " << osdmap << dendl;
utime_t now = ceph_clock_now(messenger->cct);
MPGStats *mstats = new MPGStats(monc.get_fsid(), osdmap.get_epoch(), now);
mstats->set_tid(1);
mstats->osd_stat = osd_stat;
set<pg_t>::iterator it;
for (it = pgs_changes.begin(); it != pgs_changes.end(); ++it) {
pg_t pgid = (*it);
if (pgs.count(pgid) == 0) {
derr << __func__
<< " pgid " << pgid << " not on our map" << dendl;
assert(0 == "pgid not on our map");
}
pg_stat_t &s = pgs[pgid];
mstats->pg_stat[pgid] = s;
JSONFormatter f(true);
s.dump(&f);
dout(20) << __func__
<< " pg " << pgid << " stats:\n";
f.flush(*_dout);
*_dout << dendl;
}
dout(10) << __func__ << " send " << *mstats << dendl;
monc.send_mon_message(mstats);
}
void modify_pg(pg_t pgid) {
dout(10) << __func__ << " pg " << pgid << dendl;
assert(pgs.count(pgid) > 0);
pg_stat_t &s = pgs[pgid];
utime_t now = ceph_clock_now(messenger->cct);
if (now - s.last_change < 10.0) {
dout(10) << __func__
<< " pg " << pgid << " changed in the last 10s" << dendl;
return;
}
s.state ^= PG_STATE_CLEAN;
if (s.state & PG_STATE_CLEAN)
s.last_clean = now;
s.last_change = now;
s.reported_seq++;
pgs_changes.insert(pgid);
}
void modify_pgs() {
dout(10) << __func__ << dendl;
if (pgs.empty()) {
dout(1) << __func__
<< " no pgs available! don't attempt to modify." << dendl;
return;
}
boost::uniform_int<> pg_rng(0, pgs.size()-1);
set<int> pgs_pos;
int num_pgs = pg_rng(gen);
while ((int)pgs_pos.size() < num_pgs)
pgs_pos.insert(pg_rng(gen));
map<pg_t,pg_stat_t>::iterator it = pgs.begin();
set<int>::iterator pos_it = pgs_pos.begin();
int pgs_at = 0;
while (pos_it != pgs_pos.end()) {
int at = *pos_it;
dout(20) << __func__ << " pg at pos " << at << dendl;
while ((pgs_at != at) && (it != pgs.end())) {
++it;
++pgs_at;
}
assert(it != pgs.end());
dout(20) << __func__
<< " pg at pos " << at << ": " << it->first << dendl;
modify_pg(it->first);
++pos_it;
}
}
void op_alive() {
dout(10) << __func__ << dendl;
if (!osdmap.exists(whoami)) {
dout(0) << __func__ << " I'm not in the osdmap!!\n";
JSONFormatter f(true);
osdmap.dump(&f);
f.flush(*_dout);
*_dout << dendl;
}
if (osdmap.get_epoch() == 0) {
dout(1) << __func__ << " wait for osdmap" << dendl;
return;
}
epoch_t up_thru = osdmap.get_up_thru(whoami);
dout(10) << __func__ << "up_thru: " << osdmap.get_up_thru(whoami) << dendl;
monc.send_mon_message(new MOSDAlive(osdmap.get_epoch(), up_thru));
}
void op_pgtemp() {
if (osdmap.get_epoch() == 0) {
dout(1) << __func__ << " wait for osdmap" << dendl;
return;
}
dout(10) << __func__ << dendl;
MOSDPGTemp *m = new MOSDPGTemp(osdmap.get_epoch());
monc.send_mon_message(m);
}
void op_failure() {
dout(10) << __func__ << dendl;
}
void op_pgstats() {
dout(10) << __func__ << dendl;
modify_pgs();
if (!pgs_changes.empty())
send_pg_stats();
monc.sub_want("osd_pg_creates", 0, CEPH_SUBSCRIBE_ONETIME);
monc.renew_subs();
dout(20) << __func__ << " pg pools:\n";
JSONFormatter f(true);
f.open_array_section("pools");
const map<int64_t,pg_pool_t> &osdmap_pools = osdmap.get_pools();
map<int64_t,pg_pool_t>::const_iterator pit;
for (pit = osdmap_pools.begin(); pit != osdmap_pools.end(); ++pit) {
const int64_t pool_id = pit->first;
const pg_pool_t &pool = pit->second;
f.open_object_section("pool");
f.dump_int("pool_id", pool_id);
f.open_object_section("pool_dump");
pool.dump(&f);
f.close_section();
f.close_section();
}
f.close_section();
f.flush(*_dout);
*_dout << dendl;
}
void op_log() {
dout(10) << __func__ << dendl;
MLog *m = new MLog(monc.get_fsid());
boost::uniform_int<> log_rng(1, 10);
size_t num_entries = log_rng(gen);
dout(10) << __func__
<< " send " << num_entries << " log messages" << dendl;
utime_t now = ceph_clock_now(messenger->cct);
int seq = 0;
for (; num_entries > 0; --num_entries) {
LogEntry e;
e.who = messenger->get_myinst();
e.stamp = now;
e.seq = seq++;
e.prio = CLOG_DEBUG;
e.msg = "OSDStub::op_log";
m->entries.push_back(e);
}
monc.send_mon_message(m);
}
void _tick() {
if (!osdmap.exists(whoami)) {
std::cout << __func__ << " not in the cluster; boot!" << std::endl;
boot();
return;
}
update_osd_stat();
boost::uniform_int<> op_rng(STUB_MON_OSD_FIRST, STUB_MON_OSD_LAST);
int op = op_rng(gen);
switch (op) {
case STUB_MON_OSD_ALIVE:
op_alive();
break;
case STUB_MON_OSD_PGTEMP:
op_pgtemp();
break;
case STUB_MON_OSD_FAILURE:
op_failure();
break;
case STUB_MON_OSD_PGSTATS:
op_pgstats();
break;
case STUB_MON_LOG:
op_log();
break;
}
}
void handle_pg_create(MOSDPGCreate *m) {
assert(m != NULL);
if (m->epoch < osdmap.get_epoch()) {
std::cout << __func__ << " epoch " << m->epoch << " < "
<< osdmap.get_epoch() << "; dropping" << std::endl;
m->put();
return;
}
for (map<pg_t,pg_create_t>::iterator it = m->mkpg.begin();
it != m->mkpg.end(); ++it) {
pg_create_t &c = it->second;
std::cout << __func__ << " pg " << it->first
<< " created " << c.created
<< " parent " << c.parent << std::endl;
if (pgs.count(it->first)) {
std::cout << __func__ << " pg " << it->first
<< " exists; skipping" << std::endl;
continue;
}
pg_t pgid = it->first;
add_pg(pgid, c.created, c.parent);
}
send_pg_stats();
}
void handle_osd_map(MOSDMap *m) {
dout(1) << __func__ << dendl;
if (m->fsid != monc.get_fsid()) {
dout(0) << __func__
<< " message fsid " << m->fsid << " != " << monc.get_fsid()
<< dendl;
dout(0) << __func__ << " " << m
<< " from " << m->get_source_inst()
<< dendl;
dout(0) << monc.get_monmap() << dendl;
}
assert(m->fsid == monc.get_fsid());
epoch_t first = m->get_first();
epoch_t last = m->get_last();
dout(5) << __func__
<< " epochs [" << first << "," << last << "]"
<< " current " << osdmap.get_epoch() << dendl;
if (last <= osdmap.get_epoch()) {
dout(5) << __func__ << " no new maps here; dropping" << dendl;
m->put();
return;
}
if (first > osdmap.get_epoch() + 1) {
dout(5) << __func__
<< osdmap.get_epoch() + 1 << ".." << (first-1) << dendl;
if ((m->oldest_map < first && osdmap.get_epoch() == 0) ||
m->oldest_map <= osdmap.get_epoch()) {
monc.sub_want("osdmap", osdmap.get_epoch()+1,
CEPH_SUBSCRIBE_ONETIME);
monc.renew_subs();
m->put();
return;
}
}
epoch_t start_full = MAX(osdmap.get_epoch() + 1, first);
if (m->maps.size() > 0) {
map<epoch_t,bufferlist>::reverse_iterator rit;
rit = m->maps.rbegin();
if (start_full <= rit->first) {
start_full = rit->first;
dout(5) << __func__
<< " full epoch " << start_full << dendl;
bufferlist &bl = rit->second;
bufferlist::iterator p = bl.begin();
osdmap.decode(p);
}
}
for (epoch_t e = start_full; e <= last; e++) {
map<epoch_t,bufferlist>::iterator it;
it = m->incremental_maps.find(e);
if (it == m->incremental_maps.end())
continue;
dout(20) << __func__
<< " incremental epoch " << e
<< " on full epoch " << start_full << dendl;
OSDMap::Incremental inc;
bufferlist &bl = it->second;
bufferlist::iterator p = bl.begin();
inc.decode(p);
int err = osdmap.apply_incremental(inc);
if (err < 0) {
derr << "osd." << whoami << "::" << __func__
<< "** ERROR: applying incremental: "
<< cpp_strerror(err) << dendl;
assert(0 == "error applying incremental");
}
}
dout(30) << __func__ << "\nosdmap:\n";
JSONFormatter f(true);
osdmap.dump(&f);
f.flush(*_dout);
*_dout << dendl;
if (osdmap.is_up(whoami) &&
osdmap.get_addr(whoami) == messenger->get_myaddr()) {
dout(1) << __func__
<< " got into the osdmap and we're up!" << dendl;
}
if (m->newest_map && m->newest_map > last) {
dout(1) << __func__
<< " they have more maps; requesting them!" << dendl;
monc.sub_want("osdmap", osdmap.get_epoch()+1, CEPH_SUBSCRIBE_ONETIME);
monc.renew_subs();
}
dout(10) << __func__ << " done" << dendl;
m->put();
}
bool ms_dispatch(Message *m) {
dout(1) << __func__ << " " << *m << dendl;
switch (m->get_type()) {
case MSG_OSD_PG_CREATE:
handle_pg_create((MOSDPGCreate*)m);
break;
case CEPH_MSG_OSD_MAP:
handle_osd_map((MOSDMap*)m);
break;
default:
m->put();
break;
}
return true;
}
void ms_handle_connect(Connection *con) {
dout(1) << __func__ << " " << con << dendl;
if (con->get_peer_type() == CEPH_ENTITY_TYPE_MON) {
dout(10) << __func__ << " on mon" << dendl;
}
}
void ms_handle_remote_reset(Connection *con) {}
bool ms_handle_reset(Connection *con) {
dout(1) << __func__ << dendl;
OSD::Session *session = (OSD::Session *)con->get_priv();
if (!session)
return false;
session->put();
return true;
}
const string get_name() {
stringstream ss;
ss << "osd." << whoami;
return ss.str();
}
};
double const OSDStub::STUB_BOOT_INTERVAL = 10.0;
#undef dout_prefix
#define dout_prefix *_dout << "main "
const char *our_name = NULL;
vector<TestStub*> stubs;
Mutex shutdown_lock("main::shutdown_lock");
Cond shutdown_cond;
Context *shutdown_cb = NULL;
SafeTimer *shutdown_timer = NULL;
struct C_Shutdown : public Context
{
void finish(int r) {
generic_dout(10) << "main::shutdown time has ran out" << dendl;
shutdown_cond.Signal();
}
};
void handle_test_signal(int signum)
{
if ((signum != SIGINT) && (signum != SIGTERM))
return;
std::cerr << "*** Got signal " << sig_str(signum) << " ***" << std::endl;
Mutex::Locker l(shutdown_lock);
if (shutdown_timer) {
shutdown_timer->cancel_all_events();
shutdown_cond.Signal();
}
}
void usage() {
assert(our_name != NULL);
std::cout << "usage: " << our_name
<< " <--stub-id ID> [--stub-id ID...]"
<< std::endl;
std::cout << "\n\
Global Options:\n\
-c FILE Read configuration from FILE\n\
--keyring FILE Read keyring from FILE\n\
--help This message\n\
\n\
Test-specific Options:\n\
--stub-id ID1..ID2 Interval of OSD ids for multiple stubs to mimic.\n\
--stub-id ID OSD id a stub will mimic to be\n\
(same as --stub-id ID..ID)\n\
" << std::endl;
}
int get_id_interval(int &first, int &last, string &str)
{
size_t found = str.find("..");
string first_str, last_str;
if (found == string::npos) {
first_str = last_str = str;
} else {
first_str = str.substr(0, found);
last_str = str.substr(found+2);
}
string err;
first = strict_strtol(first_str.c_str(), 10, &err);
if ((first == 0) && (!err.empty())) {
std::cerr << err << std::endl;
return -1;
}
last = strict_strtol(last_str.c_str(), 10, &err);
if ((last == 0) && (!err.empty())) {
std::cerr << err << std::endl;
return -1;
}
return 0;
}
int main(int argc, const char *argv[])
{
vector<const char*> def_args;
vector<const char*> args;
our_name = argv[0];
argv_to_vec(argc, argv, args);
global_init(&def_args, args,
CEPH_ENTITY_TYPE_OSD, CODE_ENVIRONMENT_UTILITY,
0);