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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2016 John Spray <john.spray@redhat.com> | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | */ | |
13 | ||
14 | #include <Python.h> | |
15 | ||
16 | #include "osdc/Objecter.h" | |
17 | #include "client/Client.h" | |
18 | #include "common/errno.h" | |
19 | #include "mon/MonClient.h" | |
20 | #include "include/stringify.h" | |
21 | #include "global/global_context.h" | |
22 | #include "global/signal_handler.h" | |
23 | ||
24 | #include "mgr/MgrContext.h" | |
c07f9fc5 | 25 | #include "mgr/mgr_commands.h" |
7c673cae FG |
26 | |
27 | #include "MgrPyModule.h" | |
28 | #include "DaemonServer.h" | |
29 | #include "messages/MMgrBeacon.h" | |
30 | #include "messages/MMgrDigest.h" | |
31 | #include "messages/MCommand.h" | |
32 | #include "messages/MCommandReply.h" | |
33 | #include "messages/MLog.h" | |
224ce89b | 34 | #include "messages/MServiceMap.h" |
7c673cae FG |
35 | |
36 | #include "Mgr.h" | |
37 | ||
38 | #define dout_context g_ceph_context | |
39 | #define dout_subsys ceph_subsys_mgr | |
40 | #undef dout_prefix | |
41 | #define dout_prefix *_dout << "mgr " << __func__ << " " | |
42 | ||
43 | ||
224ce89b WB |
44 | Mgr::Mgr(MonClient *monc_, const MgrMap& mgrmap, |
45 | Messenger *clientm_, Objecter *objecter_, | |
7c673cae FG |
46 | Client* client_, LogChannelRef clog_, LogChannelRef audit_clog_) : |
47 | monc(monc_), | |
48 | objecter(objecter_), | |
49 | client(client_), | |
50 | client_messenger(clientm_), | |
51 | lock("Mgr::lock"), | |
52 | timer(g_ceph_context, lock), | |
53 | finisher(g_ceph_context, "Mgr", "mgr-fin"), | |
224ce89b WB |
54 | digest_received(false), |
55 | py_modules(daemon_state, cluster_state, *monc, clog_, *objecter, *client, | |
7c673cae | 56 | finisher), |
224ce89b | 57 | cluster_state(monc, nullptr, mgrmap), |
7c673cae FG |
58 | server(monc, finisher, daemon_state, cluster_state, py_modules, |
59 | clog_, audit_clog_), | |
60 | initialized(false), | |
61 | initializing(false) | |
62 | { | |
63 | cluster_state.set_objecter(objecter); | |
64 | } | |
65 | ||
66 | ||
67 | Mgr::~Mgr() | |
68 | { | |
69 | } | |
70 | ||
71 | ||
72 | /** | |
73 | * Context for completion of metadata mon commands: take | |
74 | * the result and stash it in DaemonStateIndex | |
75 | */ | |
76 | class MetadataUpdate : public Context | |
77 | { | |
78 | DaemonStateIndex &daemon_state; | |
79 | DaemonKey key; | |
80 | ||
81 | std::map<std::string, std::string> defaults; | |
82 | ||
83 | public: | |
84 | bufferlist outbl; | |
85 | std::string outs; | |
86 | ||
87 | MetadataUpdate(DaemonStateIndex &daemon_state_, const DaemonKey &key_) | |
88 | : daemon_state(daemon_state_), key(key_) {} | |
89 | ||
90 | void set_default(const std::string &k, const std::string &v) | |
91 | { | |
92 | defaults[k] = v; | |
93 | } | |
94 | ||
95 | void finish(int r) override | |
96 | { | |
97 | daemon_state.clear_updating(key); | |
98 | if (r == 0) { | |
224ce89b | 99 | if (key.first == "mds") { |
7c673cae FG |
100 | json_spirit::mValue json_result; |
101 | bool read_ok = json_spirit::read( | |
102 | outbl.to_str(), json_result); | |
103 | if (!read_ok) { | |
104 | dout(1) << "mon returned invalid JSON for " | |
224ce89b | 105 | << key.first << "." << key.second << dendl; |
7c673cae FG |
106 | return; |
107 | } | |
108 | ||
109 | json_spirit::mObject daemon_meta = json_result.get_obj(); | |
110 | ||
111 | // Apply any defaults | |
112 | for (const auto &i : defaults) { | |
113 | if (daemon_meta.find(i.first) == daemon_meta.end()) { | |
114 | daemon_meta[i.first] = i.second; | |
115 | } | |
116 | } | |
117 | ||
118 | DaemonStatePtr state; | |
119 | if (daemon_state.exists(key)) { | |
120 | state = daemon_state.get(key); | |
c07f9fc5 | 121 | Mutex::Locker l(state->lock); |
7c673cae FG |
122 | daemon_meta.erase("name"); |
123 | daemon_meta.erase("hostname"); | |
124 | state->metadata.clear(); | |
125 | for (const auto &i : daemon_meta) { | |
126 | state->metadata[i.first] = i.second.get_str(); | |
127 | } | |
128 | } else { | |
129 | state = std::make_shared<DaemonState>(daemon_state.types); | |
130 | state->key = key; | |
131 | state->hostname = daemon_meta.at("hostname").get_str(); | |
132 | ||
133 | for (const auto &i : daemon_meta) { | |
134 | state->metadata[i.first] = i.second.get_str(); | |
135 | } | |
136 | ||
137 | daemon_state.insert(state); | |
138 | } | |
224ce89b | 139 | } else if (key.first == "osd") { |
7c673cae FG |
140 | } else { |
141 | ceph_abort(); | |
142 | } | |
143 | } else { | |
144 | dout(1) << "mon failed to return metadata for " | |
224ce89b WB |
145 | << key.first << "." << key.second << ": " |
146 | << cpp_strerror(r) << dendl; | |
7c673cae FG |
147 | } |
148 | } | |
149 | }; | |
150 | ||
151 | ||
224ce89b | 152 | void Mgr::background_init(Context *completion) |
7c673cae FG |
153 | { |
154 | Mutex::Locker l(lock); | |
155 | assert(!initializing); | |
156 | assert(!initialized); | |
157 | initializing = true; | |
158 | ||
159 | finisher.start(); | |
160 | ||
224ce89b | 161 | finisher.queue(new FunctionContext([this, completion](int r){ |
7c673cae | 162 | init(); |
224ce89b | 163 | completion->complete(0); |
7c673cae FG |
164 | })); |
165 | } | |
166 | ||
167 | void Mgr::init() | |
168 | { | |
169 | Mutex::Locker l(lock); | |
170 | assert(initializing); | |
171 | assert(!initialized); | |
172 | ||
173 | // Start communicating with daemons to learn statistics etc | |
174 | int r = server.init(monc->get_global_id(), client_messenger->get_myaddr()); | |
175 | if (r < 0) { | |
176 | derr << "Initialize server fail"<< dendl; | |
177 | return; | |
178 | } | |
179 | dout(4) << "Initialized server at " << server.get_myaddr() << dendl; | |
180 | ||
181 | // Preload all daemon metadata (will subsequently keep this | |
182 | // up to date by watching maps, so do the initial load before | |
183 | // we subscribe to any maps) | |
184 | dout(4) << "Loading daemon metadata..." << dendl; | |
185 | load_all_metadata(); | |
186 | ||
187 | // subscribe to all the maps | |
188 | monc->sub_want("log-info", 0, 0); | |
189 | monc->sub_want("mgrdigest", 0, 0); | |
190 | monc->sub_want("fsmap", 0, 0); | |
224ce89b | 191 | monc->sub_want("servicemap", 0, 0); |
7c673cae FG |
192 | |
193 | dout(4) << "waiting for OSDMap..." << dendl; | |
194 | // Subscribe to OSDMap update to pass on to ClusterState | |
195 | objecter->maybe_request_map(); | |
196 | ||
197 | // reset the mon session. we get these maps through subscriptions which | |
198 | // are stateful with the connection, so even if *we* don't have them a | |
199 | // previous incarnation sharing the same MonClient may have. | |
200 | monc->reopen_session(); | |
201 | ||
202 | // Start Objecter and wait for OSD map | |
203 | lock.Unlock(); // Drop lock because OSDMap dispatch calls into my ms_dispatch | |
204 | objecter->wait_for_osd_map(); | |
205 | lock.Lock(); | |
206 | ||
207 | // Populate PGs in ClusterState | |
208 | objecter->with_osdmap([this](const OSDMap &osd_map) { | |
209 | cluster_state.notify_osdmap(osd_map); | |
210 | }); | |
211 | ||
212 | // Wait for FSMap | |
213 | dout(4) << "waiting for FSMap..." << dendl; | |
214 | while (!cluster_state.have_fsmap()) { | |
215 | fs_map_cond.Wait(lock); | |
216 | } | |
217 | ||
218 | dout(4) << "waiting for config-keys..." << dendl; | |
219 | ||
220 | // Preload config keys (`get` for plugins is to be a fast local | |
221 | // operation, we we don't have to synchronize these later because | |
222 | // all sets will come via mgr) | |
223 | load_config(); | |
224 | ||
224ce89b WB |
225 | // Wait for MgrDigest... |
226 | dout(4) << "waiting for MgrDigest..." << dendl; | |
227 | while (!digest_received) { | |
228 | digest_cond.Wait(lock); | |
229 | } | |
7c673cae FG |
230 | |
231 | // assume finisher already initialized in background_init | |
224ce89b | 232 | dout(4) << "starting PyModules..." << dendl; |
7c673cae FG |
233 | py_modules.init(); |
234 | py_modules.start(); | |
235 | ||
236 | dout(4) << "Complete." << dendl; | |
237 | initializing = false; | |
238 | initialized = true; | |
239 | } | |
240 | ||
241 | void Mgr::load_all_metadata() | |
242 | { | |
243 | assert(lock.is_locked_by_me()); | |
244 | ||
245 | JSONCommand mds_cmd; | |
246 | mds_cmd.run(monc, "{\"prefix\": \"mds metadata\"}"); | |
247 | JSONCommand osd_cmd; | |
248 | osd_cmd.run(monc, "{\"prefix\": \"osd metadata\"}"); | |
249 | JSONCommand mon_cmd; | |
250 | mon_cmd.run(monc, "{\"prefix\": \"mon metadata\"}"); | |
251 | ||
252 | lock.Unlock(); | |
253 | mds_cmd.wait(); | |
254 | osd_cmd.wait(); | |
255 | mon_cmd.wait(); | |
256 | lock.Lock(); | |
257 | ||
258 | assert(mds_cmd.r == 0); | |
259 | assert(mon_cmd.r == 0); | |
260 | assert(osd_cmd.r == 0); | |
261 | ||
262 | for (auto &metadata_val : mds_cmd.json_result.get_array()) { | |
263 | json_spirit::mObject daemon_meta = metadata_val.get_obj(); | |
264 | if (daemon_meta.count("hostname") == 0) { | |
265 | dout(1) << "Skipping incomplete metadata entry" << dendl; | |
266 | continue; | |
267 | } | |
268 | ||
269 | DaemonStatePtr dm = std::make_shared<DaemonState>(daemon_state.types); | |
224ce89b | 270 | dm->key = DaemonKey("mds", |
7c673cae FG |
271 | daemon_meta.at("name").get_str()); |
272 | dm->hostname = daemon_meta.at("hostname").get_str(); | |
273 | ||
274 | daemon_meta.erase("name"); | |
275 | daemon_meta.erase("hostname"); | |
276 | ||
277 | for (const auto &i : daemon_meta) { | |
278 | dm->metadata[i.first] = i.second.get_str(); | |
279 | } | |
280 | ||
281 | daemon_state.insert(dm); | |
282 | } | |
283 | ||
284 | for (auto &metadata_val : mon_cmd.json_result.get_array()) { | |
285 | json_spirit::mObject daemon_meta = metadata_val.get_obj(); | |
286 | if (daemon_meta.count("hostname") == 0) { | |
287 | dout(1) << "Skipping incomplete metadata entry" << dendl; | |
288 | continue; | |
289 | } | |
290 | ||
291 | DaemonStatePtr dm = std::make_shared<DaemonState>(daemon_state.types); | |
224ce89b | 292 | dm->key = DaemonKey("mon", |
7c673cae FG |
293 | daemon_meta.at("name").get_str()); |
294 | dm->hostname = daemon_meta.at("hostname").get_str(); | |
295 | ||
296 | daemon_meta.erase("name"); | |
297 | daemon_meta.erase("hostname"); | |
298 | ||
299 | for (const auto &i : daemon_meta) { | |
300 | dm->metadata[i.first] = i.second.get_str(); | |
301 | } | |
302 | ||
303 | daemon_state.insert(dm); | |
304 | } | |
305 | ||
306 | for (auto &osd_metadata_val : osd_cmd.json_result.get_array()) { | |
307 | json_spirit::mObject osd_metadata = osd_metadata_val.get_obj(); | |
308 | if (osd_metadata.count("hostname") == 0) { | |
309 | dout(1) << "Skipping incomplete metadata entry" << dendl; | |
310 | continue; | |
311 | } | |
312 | dout(4) << osd_metadata.at("hostname").get_str() << dendl; | |
313 | ||
314 | DaemonStatePtr dm = std::make_shared<DaemonState>(daemon_state.types); | |
224ce89b | 315 | dm->key = DaemonKey("osd", |
7c673cae FG |
316 | stringify(osd_metadata.at("id").get_int())); |
317 | dm->hostname = osd_metadata.at("hostname").get_str(); | |
318 | ||
319 | osd_metadata.erase("id"); | |
320 | osd_metadata.erase("hostname"); | |
321 | ||
322 | for (const auto &i : osd_metadata) { | |
323 | dm->metadata[i.first] = i.second.get_str(); | |
324 | } | |
325 | ||
326 | daemon_state.insert(dm); | |
327 | } | |
328 | } | |
329 | ||
330 | void Mgr::load_config() | |
331 | { | |
332 | assert(lock.is_locked_by_me()); | |
333 | ||
334 | dout(10) << "listing keys" << dendl; | |
335 | JSONCommand cmd; | |
c07f9fc5 | 336 | cmd.run(monc, "{\"prefix\": \"config-key ls\"}"); |
7c673cae FG |
337 | lock.Unlock(); |
338 | cmd.wait(); | |
339 | lock.Lock(); | |
340 | assert(cmd.r == 0); | |
341 | ||
342 | std::map<std::string, std::string> loaded; | |
343 | ||
344 | for (auto &key_str : cmd.json_result.get_array()) { | |
345 | std::string const key = key_str.get_str(); | |
346 | dout(20) << "saw key '" << key << "'" << dendl; | |
347 | ||
348 | const std::string config_prefix = PyModules::config_prefix; | |
349 | ||
350 | if (key.substr(0, config_prefix.size()) == config_prefix) { | |
351 | dout(20) << "fetching '" << key << "'" << dendl; | |
352 | Command get_cmd; | |
353 | std::ostringstream cmd_json; | |
354 | cmd_json << "{\"prefix\": \"config-key get\", \"key\": \"" << key << "\"}"; | |
355 | get_cmd.run(monc, cmd_json.str()); | |
31f18b77 | 356 | lock.Unlock(); |
7c673cae | 357 | get_cmd.wait(); |
31f18b77 | 358 | lock.Lock(); |
7c673cae | 359 | assert(get_cmd.r == 0); |
7c673cae FG |
360 | loaded[key] = get_cmd.outbl.to_str(); |
361 | } | |
362 | } | |
363 | ||
364 | py_modules.insert_config(loaded); | |
365 | } | |
366 | ||
367 | void Mgr::shutdown() | |
368 | { | |
369 | finisher.queue(new FunctionContext([&](int) { | |
370 | { | |
371 | Mutex::Locker l(lock); | |
372 | monc->sub_unwant("log-info"); | |
373 | monc->sub_unwant("mgrdigest"); | |
374 | monc->sub_unwant("fsmap"); | |
375 | // First stop the server so that we're not taking any more incoming | |
376 | // requests | |
377 | server.shutdown(); | |
378 | } | |
379 | // after the messenger is stopped, signal modules to shutdown via finisher | |
380 | py_modules.shutdown(); | |
381 | })); | |
382 | ||
383 | // Then stop the finisher to ensure its enqueued contexts aren't going | |
384 | // to touch references to the things we're about to tear down | |
385 | finisher.wait_for_empty(); | |
386 | finisher.stop(); | |
387 | } | |
388 | ||
389 | void Mgr::handle_osd_map() | |
390 | { | |
391 | assert(lock.is_locked_by_me()); | |
392 | ||
393 | std::set<std::string> names_exist; | |
394 | ||
395 | /** | |
396 | * When we see a new OSD map, inspect the entity addrs to | |
397 | * see if they have changed (service restart), and if so | |
398 | * reload the metadata. | |
399 | */ | |
400 | objecter->with_osdmap([this, &names_exist](const OSDMap &osd_map) { | |
401 | for (unsigned int osd_id = 0; osd_id < osd_map.get_num_osds(); ++osd_id) { | |
402 | if (!osd_map.exists(osd_id)) { | |
403 | continue; | |
404 | } | |
405 | ||
406 | // Remember which OSDs exist so that we can cull any that don't | |
407 | names_exist.insert(stringify(osd_id)); | |
408 | ||
409 | // Consider whether to update the daemon metadata (new/restarted daemon) | |
410 | bool update_meta = false; | |
224ce89b | 411 | const auto k = DaemonKey("osd", stringify(osd_id)); |
7c673cae FG |
412 | if (daemon_state.is_updating(k)) { |
413 | continue; | |
414 | } | |
415 | ||
416 | if (daemon_state.exists(k)) { | |
417 | auto metadata = daemon_state.get(k); | |
c07f9fc5 | 418 | Mutex::Locker l(metadata->lock); |
7c673cae FG |
419 | auto addr_iter = metadata->metadata.find("front_addr"); |
420 | if (addr_iter != metadata->metadata.end()) { | |
421 | const std::string &metadata_addr = addr_iter->second; | |
422 | const auto &map_addr = osd_map.get_addr(osd_id); | |
423 | ||
424 | if (metadata_addr != stringify(map_addr)) { | |
425 | dout(4) << "OSD[" << osd_id << "] addr change " << metadata_addr | |
426 | << " != " << stringify(map_addr) << dendl; | |
427 | update_meta = true; | |
428 | } else { | |
429 | dout(20) << "OSD[" << osd_id << "] addr unchanged: " | |
430 | << metadata_addr << dendl; | |
431 | } | |
432 | } else { | |
433 | // Awkward case where daemon went into DaemonState because it | |
434 | // sent us a report but its metadata didn't get loaded yet | |
435 | update_meta = true; | |
436 | } | |
437 | } else { | |
438 | update_meta = true; | |
439 | } | |
440 | ||
441 | if (update_meta) { | |
442 | daemon_state.notify_updating(k); | |
443 | auto c = new MetadataUpdate(daemon_state, k); | |
444 | std::ostringstream cmd; | |
445 | cmd << "{\"prefix\": \"osd metadata\", \"id\": " | |
446 | << osd_id << "}"; | |
447 | monc->start_mon_command( | |
448 | {cmd.str()}, | |
449 | {}, &c->outbl, &c->outs, c); | |
450 | } | |
451 | } | |
452 | ||
453 | cluster_state.notify_osdmap(osd_map); | |
454 | }); | |
455 | ||
456 | // TODO: same culling for MonMap | |
224ce89b | 457 | daemon_state.cull("osd", names_exist); |
7c673cae FG |
458 | } |
459 | ||
460 | void Mgr::handle_log(MLog *m) | |
461 | { | |
462 | for (const auto &e : m->entries) { | |
463 | py_modules.notify_all(e); | |
464 | } | |
465 | ||
466 | m->put(); | |
467 | } | |
468 | ||
224ce89b WB |
469 | void Mgr::handle_service_map(MServiceMap *m) |
470 | { | |
471 | dout(10) << "e" << m->service_map.epoch << dendl; | |
472 | cluster_state.set_service_map(m->service_map); | |
473 | server.got_service_map(); | |
474 | } | |
475 | ||
7c673cae FG |
476 | bool Mgr::ms_dispatch(Message *m) |
477 | { | |
478 | dout(4) << *m << dendl; | |
479 | Mutex::Locker l(lock); | |
480 | ||
481 | switch (m->get_type()) { | |
482 | case MSG_MGR_DIGEST: | |
483 | handle_mgr_digest(static_cast<MMgrDigest*>(m)); | |
484 | break; | |
485 | case CEPH_MSG_MON_MAP: | |
7c673cae FG |
486 | py_modules.notify_all("mon_map", ""); |
487 | m->put(); | |
488 | break; | |
489 | case CEPH_MSG_FS_MAP: | |
490 | py_modules.notify_all("fs_map", ""); | |
491 | handle_fs_map((MFSMap*)m); | |
492 | return false; // I shall let this pass through for Client | |
493 | break; | |
494 | case CEPH_MSG_OSD_MAP: | |
495 | handle_osd_map(); | |
496 | ||
497 | py_modules.notify_all("osd_map", ""); | |
498 | ||
499 | // Continuous subscribe, so that we can generate notifications | |
500 | // for our MgrPyModules | |
501 | objecter->maybe_request_map(); | |
502 | m->put(); | |
503 | break; | |
224ce89b WB |
504 | case MSG_SERVICE_MAP: |
505 | handle_service_map((MServiceMap*)m); | |
506 | py_modules.notify_all("service_map", ""); | |
507 | m->put(); | |
508 | break; | |
7c673cae FG |
509 | case MSG_LOG: |
510 | handle_log(static_cast<MLog *>(m)); | |
511 | break; | |
512 | ||
513 | default: | |
514 | return false; | |
515 | } | |
516 | return true; | |
517 | } | |
518 | ||
519 | ||
520 | void Mgr::handle_fs_map(MFSMap* m) | |
521 | { | |
522 | assert(lock.is_locked_by_me()); | |
523 | ||
524 | std::set<std::string> names_exist; | |
525 | ||
526 | const FSMap &new_fsmap = m->get_fsmap(); | |
527 | ||
528 | fs_map_cond.Signal(); | |
529 | ||
530 | // TODO: callers (e.g. from python land) are potentially going to see | |
531 | // the new fsmap before we've bothered populating all the resulting | |
532 | // daemon_state. Maybe we should block python land while we're making | |
533 | // this kind of update? | |
534 | ||
535 | cluster_state.set_fsmap(new_fsmap); | |
536 | ||
537 | auto mds_info = new_fsmap.get_mds_info(); | |
538 | for (const auto &i : mds_info) { | |
539 | const auto &info = i.second; | |
540 | ||
541 | if (!new_fsmap.gid_exists(i.first)){ | |
542 | continue; | |
543 | } | |
544 | ||
545 | // Remember which MDS exists so that we can cull any that don't | |
546 | names_exist.insert(info.name); | |
547 | ||
224ce89b | 548 | const auto k = DaemonKey("mds", info.name); |
7c673cae FG |
549 | if (daemon_state.is_updating(k)) { |
550 | continue; | |
551 | } | |
552 | ||
553 | bool update = false; | |
554 | if (daemon_state.exists(k)) { | |
555 | auto metadata = daemon_state.get(k); | |
c07f9fc5 | 556 | Mutex::Locker l(metadata->lock); |
7c673cae FG |
557 | if (metadata->metadata.empty() || |
558 | metadata->metadata.count("addr") == 0) { | |
559 | update = true; | |
560 | } else { | |
561 | auto metadata_addr = metadata->metadata.at("addr"); | |
562 | const auto map_addr = info.addr; | |
563 | update = metadata_addr != stringify(map_addr); | |
564 | if (update) { | |
565 | dout(4) << "MDS[" << info.name << "] addr change " << metadata_addr | |
566 | << " != " << stringify(map_addr) << dendl; | |
567 | } | |
568 | } | |
569 | } else { | |
570 | update = true; | |
571 | } | |
572 | ||
573 | if (update) { | |
574 | daemon_state.notify_updating(k); | |
575 | auto c = new MetadataUpdate(daemon_state, k); | |
576 | ||
577 | // Older MDS daemons don't have addr in the metadata, so | |
578 | // fake it if the returned metadata doesn't have the field. | |
579 | c->set_default("addr", stringify(info.addr)); | |
580 | ||
581 | std::ostringstream cmd; | |
582 | cmd << "{\"prefix\": \"mds metadata\", \"who\": \"" | |
583 | << info.name << "\"}"; | |
584 | monc->start_mon_command( | |
585 | {cmd.str()}, | |
586 | {}, &c->outbl, &c->outs, c); | |
587 | } | |
588 | } | |
224ce89b | 589 | daemon_state.cull("mds", names_exist); |
7c673cae FG |
590 | } |
591 | ||
224ce89b WB |
592 | bool Mgr::got_mgr_map(const MgrMap& m) |
593 | { | |
594 | Mutex::Locker l(lock); | |
595 | dout(10) << m << dendl; | |
596 | ||
597 | set<string> old_modules; | |
598 | cluster_state.with_mgrmap([&](const MgrMap& m) { | |
599 | old_modules = m.modules; | |
600 | }); | |
601 | if (m.modules != old_modules) { | |
602 | derr << "mgrmap module list changed to (" << m.modules << "), respawn" | |
603 | << dendl; | |
604 | return true; | |
605 | } | |
606 | ||
607 | cluster_state.set_mgr_map(m); | |
608 | ||
609 | return false; | |
610 | } | |
7c673cae FG |
611 | |
612 | void Mgr::handle_mgr_digest(MMgrDigest* m) | |
613 | { | |
614 | dout(10) << m->mon_status_json.length() << dendl; | |
615 | dout(10) << m->health_json.length() << dendl; | |
616 | cluster_state.load_digest(m); | |
617 | py_modules.notify_all("mon_status", ""); | |
618 | py_modules.notify_all("health", ""); | |
619 | ||
620 | // Hack: use this as a tick/opportunity to prompt python-land that | |
621 | // the pgmap might have changed since last time we were here. | |
622 | py_modules.notify_all("pg_summary", ""); | |
623 | dout(10) << "done." << dendl; | |
624 | ||
625 | m->put(); | |
224ce89b WB |
626 | |
627 | if (!digest_received) { | |
628 | digest_received = true; | |
629 | digest_cond.Signal(); | |
630 | } | |
7c673cae FG |
631 | } |
632 | ||
31f18b77 FG |
633 | void Mgr::tick() |
634 | { | |
224ce89b | 635 | dout(10) << dendl; |
31f18b77 FG |
636 | server.send_report(); |
637 | } | |
c07f9fc5 FG |
638 | |
639 | std::vector<MonCommand> Mgr::get_command_set() const | |
640 | { | |
641 | Mutex::Locker l(lock); | |
642 | ||
643 | std::vector<MonCommand> commands = mgr_commands; | |
644 | std::vector<MonCommand> py_commands = py_modules.get_commands(); | |
645 | commands.insert(commands.end(), py_commands.begin(), py_commands.end()); | |
646 | return commands; | |
647 | } | |
648 |