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