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31f18b77 FG |
1 | |
2 | """ | |
3 | Demonstrate writing a Ceph web interface inside a mgr module. | |
4 | """ | |
5 | ||
6 | # We must share a global reference to this instance, because it is the | |
7 | # gatekeeper to all accesses to data from the C++ side (e.g. the REST API | |
8 | # request handlers need to see it) | |
9 | from collections import defaultdict | |
10 | import collections | |
11 | ||
12 | _global_instance = {'plugin': None} | |
13 | def global_instance(): | |
14 | assert _global_instance['plugin'] is not None | |
15 | return _global_instance['plugin'] | |
16 | ||
17 | ||
18 | import os | |
19 | import logging | |
20 | import logging.config | |
21 | import json | |
22 | import sys | |
23 | import time | |
24 | import threading | |
25 | ||
26 | import cherrypy | |
27 | import jinja2 | |
28 | ||
29 | from mgr_module import MgrModule, CommandResult | |
30 | ||
31 | from types import OsdMap, NotFound, Config, FsMap, MonMap, \ | |
32 | PgSummary, Health, MonStatus | |
33 | ||
34 | import rados | |
224ce89b | 35 | from rbd_ls import RbdLs, RbdPoolLs |
31f18b77 FG |
36 | from cephfs_clients import CephFSClients |
37 | ||
38 | ||
39 | log = logging.getLogger("dashboard") | |
40 | ||
41 | ||
42 | # How many cluster log lines shall we hold onto in our | |
43 | # python module for the convenience of the GUI? | |
44 | LOG_BUFFER_SIZE = 30 | |
45 | ||
46 | # cherrypy likes to sys.exit on error. don't let it take us down too! | |
47 | def os_exit_noop(): | |
48 | pass | |
49 | ||
50 | os._exit = os_exit_noop | |
51 | ||
52 | ||
53 | def recurse_refs(root, path): | |
54 | if isinstance(root, dict): | |
55 | for k, v in root.items(): | |
56 | recurse_refs(v, path + "->%s" % k) | |
57 | elif isinstance(root, list): | |
58 | for n, i in enumerate(root): | |
59 | recurse_refs(i, path + "[%d]" % n) | |
60 | ||
61 | log.info("%s %d (%s)" % (path, sys.getrefcount(root), root.__class__)) | |
62 | ||
63 | ||
64 | class Module(MgrModule): | |
65 | def __init__(self, *args, **kwargs): | |
66 | super(Module, self).__init__(*args, **kwargs) | |
67 | _global_instance['plugin'] = self | |
68 | self.log.info("Constructing module {0}: instance {1}".format( | |
69 | __name__, _global_instance)) | |
70 | ||
71 | self.log_primed = False | |
72 | self.log_buffer = collections.deque(maxlen=LOG_BUFFER_SIZE) | |
73 | self.audit_buffer = collections.deque(maxlen=LOG_BUFFER_SIZE) | |
74 | ||
75 | # Keep a librados instance for those that need it. | |
76 | self._rados = None | |
77 | ||
78 | # Stateful instances of RbdLs, hold cached results. Key to dict | |
79 | # is pool name. | |
80 | self.rbd_ls = {} | |
81 | ||
224ce89b WB |
82 | # Stateful instance of RbdPoolLs, hold cached list of RBD |
83 | # pools | |
84 | self.rbd_pool_ls = RbdPoolLs(self) | |
85 | ||
31f18b77 FG |
86 | # Stateful instances of CephFSClients, hold cached results. Key to |
87 | # dict is FSCID | |
88 | self.cephfs_clients = {} | |
89 | ||
90 | # A short history of pool df stats | |
91 | self.pool_stats = defaultdict(lambda: defaultdict( | |
92 | lambda: collections.deque(maxlen=10))) | |
93 | ||
94 | @property | |
95 | def rados(self): | |
96 | """ | |
97 | A librados instance to be shared by any classes within | |
98 | this mgr module that want one. | |
99 | """ | |
100 | if self._rados: | |
101 | return self._rados | |
102 | ||
103 | from mgr_module import ceph_state | |
104 | ctx_capsule = ceph_state.get_context() | |
105 | self._rados = rados.Rados(context=ctx_capsule) | |
106 | self._rados.connect() | |
107 | ||
108 | return self._rados | |
109 | ||
31f18b77 FG |
110 | def update_pool_stats(self): |
111 | df = global_instance().get("df") | |
112 | pool_stats = dict([(p['id'], p['stats']) for p in df['pools']]) | |
113 | now = time.time() | |
114 | for pool_id, stats in pool_stats.items(): | |
115 | for stat_name, stat_val in stats.items(): | |
116 | self.pool_stats[pool_id][stat_name].appendleft((now, stat_val)) | |
117 | ||
118 | def notify(self, notify_type, notify_val): | |
119 | if notify_type == "clog": | |
120 | # Only store log messages once we've done our initial load, | |
121 | # so that we don't end up duplicating. | |
122 | if self.log_primed: | |
123 | if notify_val['channel'] == "audit": | |
124 | self.audit_buffer.appendleft(notify_val) | |
125 | else: | |
126 | self.log_buffer.appendleft(notify_val) | |
127 | elif notify_type == "pg_summary": | |
128 | self.update_pool_stats() | |
129 | else: | |
130 | pass | |
131 | ||
132 | def get_sync_object(self, object_type, path=None): | |
133 | if object_type == OsdMap: | |
134 | data = self.get("osd_map") | |
135 | ||
136 | assert data is not None | |
137 | ||
138 | data['tree'] = self.get("osd_map_tree") | |
139 | data['crush'] = self.get("osd_map_crush") | |
140 | data['crush_map_text'] = self.get("osd_map_crush_map_text") | |
141 | data['osd_metadata'] = self.get("osd_metadata") | |
142 | obj = OsdMap(data) | |
143 | elif object_type == Config: | |
144 | data = self.get("config") | |
145 | obj = Config( data) | |
146 | elif object_type == MonMap: | |
147 | data = self.get("mon_map") | |
148 | obj = MonMap(data) | |
149 | elif object_type == FsMap: | |
150 | data = self.get("fs_map") | |
151 | obj = FsMap(data) | |
152 | elif object_type == PgSummary: | |
153 | data = self.get("pg_summary") | |
154 | self.log.debug("JSON: {0}".format(data)) | |
155 | obj = PgSummary(data) | |
156 | elif object_type == Health: | |
157 | data = self.get("health") | |
158 | obj = Health(json.loads(data['json'])) | |
159 | elif object_type == MonStatus: | |
160 | data = self.get("mon_status") | |
161 | obj = MonStatus(json.loads(data['json'])) | |
162 | else: | |
163 | raise NotImplementedError(object_type) | |
164 | ||
165 | # TODO: move 'path' handling up into C++ land so that we only | |
166 | # Pythonize the part we're interested in | |
167 | if path: | |
168 | try: | |
169 | for part in path: | |
170 | if isinstance(obj, dict): | |
171 | obj = obj[part] | |
172 | else: | |
173 | obj = getattr(obj, part) | |
174 | except (AttributeError, KeyError): | |
175 | raise NotFound(object_type, path) | |
176 | ||
177 | return obj | |
178 | ||
179 | def shutdown(self): | |
180 | log.info("Stopping server...") | |
181 | cherrypy.engine.exit() | |
182 | log.info("Stopped server") | |
183 | ||
184 | log.info("Stopping librados...") | |
185 | if self._rados: | |
186 | self._rados.shutdown() | |
187 | log.info("Stopped librados.") | |
188 | ||
189 | def get_latest(self, daemon_type, daemon_name, stat): | |
190 | data = self.get_counter(daemon_type, daemon_name, stat)[stat] | |
191 | if data: | |
192 | return data[-1][1] | |
193 | else: | |
194 | return 0 | |
195 | ||
196 | def get_rate(self, daemon_type, daemon_name, stat): | |
197 | data = self.get_counter(daemon_type, daemon_name, stat)[stat] | |
198 | ||
199 | if data and len(data) > 1: | |
200 | return (data[-1][1] - data[-2][1]) / float(data[-1][0] - data[-2][0]) | |
201 | else: | |
202 | return 0 | |
203 | ||
204 | def format_dimless(self, n, width, colored=True): | |
205 | """ | |
206 | Format a number without units, so as to fit into `width` characters, substituting | |
207 | an appropriate unit suffix. | |
208 | """ | |
209 | units = [' ', 'k', 'M', 'G', 'T', 'P'] | |
210 | unit = 0 | |
211 | while len("%s" % (int(n) // (1000**unit))) > width - 1: | |
212 | unit += 1 | |
213 | ||
214 | if unit > 0: | |
215 | truncated_float = ("%f" % (n / (1000.0 ** unit)))[0:width - 1] | |
216 | if truncated_float[-1] == '.': | |
217 | truncated_float = " " + truncated_float[0:-1] | |
218 | else: | |
219 | truncated_float = "%{wid}d".format(wid=width-1) % n | |
220 | formatted = "%s%s" % (truncated_float, units[unit]) | |
221 | ||
222 | if colored: | |
223 | # TODO: html equivalent | |
224 | # if n == 0: | |
225 | # color = self.BLACK, False | |
226 | # else: | |
227 | # color = self.YELLOW, False | |
228 | # return self.bold(self.colorize(formatted[0:-1], color[0], color[1])) \ | |
229 | # + self.bold(self.colorize(formatted[-1], self.BLACK, False)) | |
230 | return formatted | |
231 | else: | |
232 | return formatted | |
233 | ||
234 | def fs_status(self, fs_id): | |
235 | mds_versions = defaultdict(list) | |
236 | ||
237 | fsmap = self.get("fs_map") | |
238 | filesystem = None | |
239 | for fs in fsmap['filesystems']: | |
240 | if fs['id'] == fs_id: | |
241 | filesystem = fs | |
242 | break | |
243 | ||
244 | rank_table = [] | |
245 | ||
246 | mdsmap = filesystem['mdsmap'] | |
247 | ||
248 | client_count = 0 | |
249 | ||
250 | for rank in mdsmap["in"]: | |
251 | up = "mds_{0}".format(rank) in mdsmap["up"] | |
252 | if up: | |
253 | gid = mdsmap['up']["mds_{0}".format(rank)] | |
254 | info = mdsmap['info']['gid_{0}'.format(gid)] | |
255 | dns = self.get_latest("mds", info['name'], "mds.inodes") | |
256 | inos = self.get_latest("mds", info['name'], "mds_mem.ino") | |
257 | ||
258 | if rank == 0: | |
259 | client_count = self.get_latest("mds", info['name'], | |
260 | "mds_sessions.session_count") | |
261 | elif client_count == 0: | |
262 | # In case rank 0 was down, look at another rank's | |
263 | # sessionmap to get an indication of clients. | |
264 | client_count = self.get_latest("mds", info['name'], | |
265 | "mds_sessions.session_count") | |
266 | ||
267 | laggy = "laggy_since" in info | |
268 | ||
269 | state = info['state'].split(":")[1] | |
270 | if laggy: | |
271 | state += "(laggy)" | |
272 | ||
273 | # if state == "active" and not laggy: | |
274 | # c_state = self.colorize(state, self.GREEN) | |
275 | # else: | |
276 | # c_state = self.colorize(state, self.YELLOW) | |
277 | ||
278 | # Populate based on context of state, e.g. client | |
279 | # ops for an active daemon, replay progress, reconnect | |
280 | # progress | |
281 | activity = "" | |
282 | ||
283 | if state == "active": | |
284 | activity = "Reqs: " + self.format_dimless( | |
285 | self.get_rate("mds", info['name'], "mds_server.handle_client_request"), | |
286 | 5 | |
287 | ) + "/s" | |
288 | ||
289 | metadata = self.get_metadata('mds', info['name']) | |
290 | mds_versions[metadata['ceph_version']].append(info['name']) | |
291 | rank_table.append( | |
292 | { | |
293 | "rank": rank, | |
294 | "state": state, | |
295 | "mds": info['name'], | |
296 | "activity": activity, | |
297 | "dns": dns, | |
298 | "inos": inos | |
299 | } | |
300 | ) | |
301 | ||
302 | else: | |
303 | rank_table.append( | |
304 | { | |
305 | "rank": rank, | |
306 | "state": "failed", | |
307 | "mds": "", | |
308 | "activity": "", | |
309 | "dns": 0, | |
310 | "inos": 0 | |
311 | } | |
312 | ) | |
313 | ||
314 | # Find the standby replays | |
315 | for gid_str, daemon_info in mdsmap['info'].iteritems(): | |
316 | if daemon_info['state'] != "up:standby-replay": | |
317 | continue | |
318 | ||
319 | inos = self.get_latest("mds", daemon_info['name'], "mds_mem.ino") | |
320 | dns = self.get_latest("mds", daemon_info['name'], "mds.inodes") | |
321 | ||
322 | activity = "Evts: " + self.format_dimless( | |
323 | self.get_rate("mds", daemon_info['name'], "mds_log.replay"), | |
324 | 5 | |
325 | ) + "/s" | |
326 | ||
327 | rank_table.append( | |
328 | { | |
329 | "rank": "{0}-s".format(daemon_info['rank']), | |
330 | "state": "standby-replay", | |
331 | "mds": daemon_info['name'], | |
332 | "activity": activity, | |
333 | "dns": dns, | |
334 | "inos": inos | |
335 | } | |
336 | ) | |
337 | ||
338 | df = self.get("df") | |
339 | pool_stats = dict([(p['id'], p['stats']) for p in df['pools']]) | |
340 | osdmap = self.get("osd_map") | |
341 | pools = dict([(p['pool'], p) for p in osdmap['pools']]) | |
342 | metadata_pool_id = mdsmap['metadata_pool'] | |
343 | data_pool_ids = mdsmap['data_pools'] | |
344 | ||
345 | pools_table = [] | |
346 | for pool_id in [metadata_pool_id] + data_pool_ids: | |
347 | pool_type = "metadata" if pool_id == metadata_pool_id else "data" | |
348 | stats = pool_stats[pool_id] | |
349 | pools_table.append({ | |
350 | "pool": pools[pool_id]['pool_name'], | |
351 | "type": pool_type, | |
352 | "used": stats['bytes_used'], | |
353 | "avail": stats['max_avail'] | |
354 | }) | |
355 | ||
356 | standby_table = [] | |
357 | for standby in fsmap['standbys']: | |
358 | metadata = self.get_metadata('mds', standby['name']) | |
359 | mds_versions[metadata['ceph_version']].append(standby['name']) | |
360 | ||
361 | standby_table.append({ | |
362 | 'name': standby['name'] | |
363 | }) | |
364 | ||
365 | return { | |
366 | "filesystem": { | |
367 | "id": fs_id, | |
368 | "name": mdsmap['fs_name'], | |
369 | "client_count": client_count, | |
370 | "clients_url": "/clients/{0}/".format(fs_id), | |
371 | "ranks": rank_table, | |
372 | "pools": pools_table | |
373 | }, | |
374 | "standbys": standby_table, | |
375 | "versions": mds_versions | |
376 | } | |
377 | ||
378 | def serve(self): | |
379 | current_dir = os.path.dirname(os.path.abspath(__file__)) | |
380 | ||
381 | jinja_loader = jinja2.FileSystemLoader(current_dir) | |
382 | env = jinja2.Environment(loader=jinja_loader) | |
383 | ||
384 | result = CommandResult("") | |
385 | self.send_command(result, "mon", "", json.dumps({ | |
386 | "prefix":"log last", | |
387 | "format": "json" | |
388 | }), "") | |
389 | r, outb, outs = result.wait() | |
390 | if r != 0: | |
391 | # Oh well. We won't let this stop us though. | |
392 | self.log.error("Error fetching log history (r={0}, \"{1}\")".format( | |
393 | r, outs)) | |
394 | else: | |
395 | try: | |
396 | lines = json.loads(outb) | |
397 | except ValueError: | |
398 | self.log.error("Error decoding log history") | |
399 | else: | |
400 | for l in lines: | |
401 | if l['channel'] == 'audit': | |
402 | self.audit_buffer.appendleft(l) | |
403 | else: | |
404 | self.log_buffer.appendleft(l) | |
405 | ||
406 | self.log_primed = True | |
407 | ||
408 | class Root(object): | |
409 | def _toplevel_data(self): | |
410 | """ | |
411 | Data consumed by the base.html template | |
412 | """ | |
224ce89b WB |
413 | status, data = global_instance().rbd_pool_ls.get() |
414 | if data is None: | |
415 | log.warning("Failed to get RBD pool list") | |
416 | data = [] | |
417 | ||
418 | rbd_pools = sorted([ | |
419 | { | |
420 | "name": name, | |
421 | "url": "/rbd/{0}/".format(name) | |
422 | } | |
423 | for name in data | |
424 | ], key=lambda k: k['name']) | |
425 | ||
31f18b77 FG |
426 | fsmap = global_instance().get_sync_object(FsMap) |
427 | filesystems = [ | |
428 | { | |
429 | "id": f['id'], | |
430 | "name": f['mdsmap']['fs_name'], | |
431 | "url": "/filesystem/{0}/".format(f['id']) | |
432 | } | |
433 | for f in fsmap.data['filesystems'] | |
434 | ] | |
435 | ||
436 | return { | |
224ce89b WB |
437 | 'rbd_pools': rbd_pools, |
438 | 'health_status': self._health_data()['status'], | |
31f18b77 FG |
439 | 'filesystems': filesystems |
440 | } | |
441 | ||
442 | @cherrypy.expose | |
443 | def filesystem(self, fs_id): | |
444 | template = env.get_template("filesystem.html") | |
445 | ||
446 | toplevel_data = self._toplevel_data() | |
447 | ||
448 | content_data = { | |
449 | "fs_status": global_instance().fs_status(int(fs_id)) | |
450 | } | |
451 | ||
452 | return template.render( | |
453 | ceph_version=global_instance().version, | |
454 | toplevel_data=json.dumps(toplevel_data, indent=2), | |
455 | content_data=json.dumps(content_data, indent=2) | |
456 | ) | |
457 | ||
458 | @cherrypy.expose | |
459 | @cherrypy.tools.json_out() | |
460 | def filesystem_data(self, fs_id): | |
461 | return global_instance().fs_status(int(fs_id)) | |
462 | ||
463 | def _osd(self, osd_id): | |
464 | #global_instance().fs_status(int(fs_id)) | |
465 | osd_id = int(osd_id) | |
466 | ||
467 | osd_map = global_instance().get("osd_map") | |
468 | ||
469 | osd = None | |
470 | for o in osd_map['osds']: | |
471 | if o['osd'] == osd_id: | |
472 | osd = o | |
473 | break | |
474 | ||
475 | assert osd is not None # TODO 400 | |
476 | ||
477 | osd_spec = "{0}".format(osd_id) | |
478 | ||
479 | osd_metadata = global_instance().get_metadata( | |
480 | "osd", osd_spec) | |
481 | ||
482 | result = CommandResult("") | |
483 | global_instance().send_command(result, "osd", osd_spec, | |
484 | json.dumps({ | |
485 | "prefix": "perf histogram dump", | |
486 | }), | |
487 | "") | |
488 | r, outb, outs = result.wait() | |
489 | assert r == 0 | |
490 | histogram = json.loads(outb) | |
491 | ||
492 | return { | |
493 | "osd": osd, | |
494 | "osd_metadata": osd_metadata, | |
495 | "osd_histogram": histogram | |
496 | } | |
497 | ||
498 | @cherrypy.expose | |
499 | def osd_perf(self, osd_id): | |
500 | template = env.get_template("osd_perf.html") | |
501 | toplevel_data = self._toplevel_data() | |
502 | ||
503 | return template.render( | |
504 | ceph_version=global_instance().version, | |
505 | toplevel_data=json.dumps(toplevel_data, indent=2), | |
506 | content_data=json.dumps(self._osd(osd_id), indent=2) | |
507 | ) | |
508 | ||
509 | @cherrypy.expose | |
510 | @cherrypy.tools.json_out() | |
511 | def osd_perf_data(self, osd_id): | |
512 | return self._osd(osd_id) | |
513 | ||
514 | def _clients(self, fs_id): | |
515 | cephfs_clients = global_instance().cephfs_clients.get(fs_id, None) | |
516 | if cephfs_clients is None: | |
517 | cephfs_clients = CephFSClients(global_instance(), fs_id) | |
518 | global_instance().cephfs_clients[fs_id] = cephfs_clients | |
519 | ||
520 | status, clients = cephfs_clients.get() | |
521 | #TODO do something sensible with status | |
522 | ||
523 | # Decorate the metadata with some fields that will be | |
524 | # indepdendent of whether it's a kernel or userspace | |
525 | # client, so that the javascript doesn't have to grok that. | |
526 | for client in clients: | |
527 | if "ceph_version" in client['client_metadata']: | |
528 | client['type'] = "userspace" | |
529 | client['version'] = client['client_metadata']['ceph_version'] | |
530 | client['hostname'] = client['client_metadata']['hostname'] | |
531 | elif "kernel_version" in client['client_metadata']: | |
532 | client['type'] = "kernel" | |
224ce89b | 533 | client['version'] = client['client_metadata']['kernel_version'] |
31f18b77 FG |
534 | client['hostname'] = client['client_metadata']['hostname'] |
535 | else: | |
536 | client['type'] = "unknown" | |
537 | client['version'] = "" | |
538 | client['hostname'] = "" | |
539 | ||
540 | return clients | |
541 | ||
542 | @cherrypy.expose | |
224ce89b WB |
543 | def clients(self, fscid_str): |
544 | try: | |
545 | fscid = int(fscid_str) | |
546 | except ValueError: | |
547 | raise cherrypy.HTTPError(400, | |
548 | "Invalid filesystem id {0}".format(fscid_str)) | |
549 | ||
550 | try: | |
551 | fs_name = FsMap(global_instance().get( | |
552 | "fs_map")).get_filesystem(fscid)['mdsmap']['fs_name'] | |
553 | except NotFound: | |
554 | log.warning("Missing FSCID, dumping fsmap:\n{0}".format( | |
555 | json.dumps(global_instance().get("fs_map"), indent=2) | |
556 | )) | |
557 | raise cherrypy.HTTPError(404, | |
558 | "No filesystem with id {0}".format(fscid)) | |
559 | ||
560 | clients = self._clients(fscid) | |
31f18b77 FG |
561 | global_instance().log.debug(json.dumps(clients, indent=2)) |
562 | content_data = { | |
563 | "clients": clients, | |
224ce89b WB |
564 | "fs_name": fs_name, |
565 | "fscid": fscid, | |
566 | "fs_url": "/filesystem/" + fscid_str + "/" | |
31f18b77 FG |
567 | } |
568 | ||
224ce89b | 569 | template = env.get_template("clients.html") |
31f18b77 FG |
570 | return template.render( |
571 | ceph_version=global_instance().version, | |
224ce89b | 572 | toplevel_data=json.dumps(self._toplevel_data(), indent=2), |
31f18b77 FG |
573 | content_data=json.dumps(content_data, indent=2) |
574 | ) | |
575 | ||
576 | @cherrypy.expose | |
577 | @cherrypy.tools.json_out() | |
578 | def clients_data(self, fs_id): | |
579 | return self._clients(int(fs_id)) | |
580 | ||
581 | def _rbd(self, pool_name): | |
582 | rbd_ls = global_instance().rbd_ls.get(pool_name, None) | |
583 | if rbd_ls is None: | |
584 | rbd_ls = RbdLs(global_instance(), pool_name) | |
585 | global_instance().rbd_ls[pool_name] = rbd_ls | |
586 | ||
587 | status, value = rbd_ls.get() | |
588 | ||
589 | interval = 5 | |
590 | ||
591 | wait = interval - rbd_ls.latency | |
592 | def wait_and_load(): | |
593 | time.sleep(wait) | |
594 | rbd_ls.get() | |
595 | ||
596 | threading.Thread(target=wait_and_load).start() | |
597 | ||
598 | assert status != RbdLs.VALUE_NONE # FIXME bubble status up to UI | |
599 | return value | |
600 | ||
601 | @cherrypy.expose | |
602 | def rbd(self, pool_name): | |
603 | template = env.get_template("rbd.html") | |
604 | ||
605 | toplevel_data = self._toplevel_data() | |
606 | ||
607 | images = self._rbd(pool_name) | |
608 | content_data = { | |
609 | "images": images, | |
610 | "pool_name": pool_name | |
611 | } | |
612 | ||
613 | return template.render( | |
614 | ceph_version=global_instance().version, | |
615 | toplevel_data=json.dumps(toplevel_data, indent=2), | |
616 | content_data=json.dumps(content_data, indent=2) | |
617 | ) | |
618 | ||
619 | @cherrypy.expose | |
620 | @cherrypy.tools.json_out() | |
621 | def rbd_data(self, pool_name): | |
622 | return self._rbd(pool_name) | |
623 | ||
624 | @cherrypy.expose | |
625 | def health(self): | |
626 | template = env.get_template("health.html") | |
627 | return template.render( | |
628 | ceph_version=global_instance().version, | |
629 | toplevel_data=json.dumps(self._toplevel_data(), indent=2), | |
630 | content_data=json.dumps(self._health(), indent=2) | |
631 | ) | |
632 | ||
633 | @cherrypy.expose | |
634 | def servers(self): | |
635 | template = env.get_template("servers.html") | |
636 | return template.render( | |
637 | ceph_version=global_instance().version, | |
638 | toplevel_data=json.dumps(self._toplevel_data(), indent=2), | |
639 | content_data=json.dumps(self._servers(), indent=2) | |
640 | ) | |
641 | ||
642 | def _servers(self): | |
31f18b77 FG |
643 | return { |
644 | 'servers': global_instance().list_servers() | |
645 | } | |
646 | ||
647 | @cherrypy.expose | |
648 | @cherrypy.tools.json_out() | |
649 | def servers_data(self): | |
650 | return self._servers() | |
651 | ||
224ce89b WB |
652 | def _health_data(self): |
653 | health = global_instance().get_sync_object(Health).data | |
654 | # Transform the `checks` dict into a list for the convenience | |
655 | # of rendering from javascript. | |
656 | checks = [] | |
657 | for k, v in health['checks'].iteritems(): | |
658 | v['type'] = k | |
659 | checks.append(v) | |
660 | ||
661 | checks = sorted(checks, cmp=lambda a, b: a['severity'] > b['severity']) | |
662 | ||
663 | health['checks'] = checks | |
664 | ||
665 | return health | |
666 | ||
31f18b77 FG |
667 | def _health(self): |
668 | # Fuse osdmap with pg_summary to get description of pools | |
669 | # including their PG states | |
670 | osd_map = global_instance().get_sync_object(OsdMap).data | |
671 | pg_summary = global_instance().get_sync_object(PgSummary).data | |
672 | pools = [] | |
673 | ||
674 | if len(global_instance().pool_stats) == 0: | |
675 | global_instance().update_pool_stats() | |
676 | ||
677 | for pool in osd_map['pools']: | |
678 | pool['pg_status'] = pg_summary['by_pool'][pool['pool'].__str__()] | |
679 | stats = global_instance().pool_stats[pool['pool']] | |
680 | s = {} | |
681 | ||
682 | def get_rate(series): | |
683 | if len(series) >= 2: | |
684 | return (float(series[0][1]) - float(series[1][1])) / (float(series[0][0]) - float(series[1][0])) | |
685 | else: | |
686 | return 0 | |
687 | ||
688 | for stat_name, stat_series in stats.items(): | |
689 | s[stat_name] = { | |
690 | 'latest': stat_series[0][1], | |
691 | 'rate': get_rate(stat_series), | |
692 | 'series': [i for i in stat_series] | |
693 | } | |
694 | pool['stats'] = s | |
695 | pools.append(pool) | |
696 | ||
697 | # Not needed, skip the effort of transmitting this | |
698 | # to UI | |
699 | del osd_map['pg_temp'] | |
700 | ||
224ce89b WB |
701 | df = global_instance().get("df") |
702 | df['stats']['total_objects'] = sum( | |
703 | [p['stats']['objects'] for p in df['pools']]) | |
704 | ||
31f18b77 | 705 | return { |
224ce89b | 706 | "health": self._health_data(), |
31f18b77 FG |
707 | "mon_status": global_instance().get_sync_object( |
708 | MonStatus).data, | |
224ce89b | 709 | "fs_map": global_instance().get_sync_object(FsMap).data, |
31f18b77 FG |
710 | "osd_map": osd_map, |
711 | "clog": list(global_instance().log_buffer), | |
712 | "audit_log": list(global_instance().audit_buffer), | |
224ce89b WB |
713 | "pools": pools, |
714 | "mgr_map": global_instance().get("mgr_map"), | |
715 | "df": df | |
31f18b77 FG |
716 | } |
717 | ||
718 | @cherrypy.expose | |
719 | @cherrypy.tools.json_out() | |
720 | def health_data(self): | |
721 | return self._health() | |
722 | ||
723 | @cherrypy.expose | |
724 | def index(self): | |
725 | return self.health() | |
726 | ||
727 | @cherrypy.expose | |
728 | @cherrypy.tools.json_out() | |
729 | def toplevel_data(self): | |
730 | return self._toplevel_data() | |
731 | ||
732 | def _get_mds_names(self, filesystem_id=None): | |
733 | names = [] | |
734 | ||
735 | fsmap = global_instance().get("fs_map") | |
736 | for fs in fsmap['filesystems']: | |
737 | if filesystem_id is not None and fs['id'] != filesystem_id: | |
738 | continue | |
739 | names.extend([info['name'] for _, info in fs['mdsmap']['info'].items()]) | |
740 | ||
741 | if filesystem_id is None: | |
742 | names.extend(info['name'] for info in fsmap['standbys']) | |
743 | ||
744 | return names | |
745 | ||
746 | @cherrypy.expose | |
747 | @cherrypy.tools.json_out() | |
748 | def mds_counters(self, fs_id): | |
749 | """ | |
750 | Result format: map of daemon name to map of counter to list of datapoints | |
751 | """ | |
752 | ||
753 | # Opinionated list of interesting performance counters for the GUI -- | |
754 | # if you need something else just add it. See how simple life is | |
755 | # when you don't have to write general purpose APIs? | |
756 | counters = [ | |
757 | "mds_server.handle_client_request", | |
758 | "mds_log.ev", | |
759 | "mds_cache.num_strays", | |
760 | "mds.exported", | |
761 | "mds.exported_inodes", | |
762 | "mds.imported", | |
763 | "mds.imported_inodes", | |
764 | "mds.inodes", | |
765 | "mds.caps", | |
766 | "mds.subtrees" | |
767 | ] | |
768 | ||
769 | result = {} | |
770 | mds_names = self._get_mds_names(int(fs_id)) | |
771 | ||
772 | for mds_name in mds_names: | |
773 | result[mds_name] = {} | |
774 | for counter in counters: | |
775 | data = global_instance().get_counter("mds", mds_name, counter) | |
776 | if data is not None: | |
777 | result[mds_name][counter] = data[counter] | |
778 | else: | |
779 | result[mds_name][counter] = [] | |
780 | ||
781 | return dict(result) | |
782 | ||
224ce89b WB |
783 | server_addr = self.get_localized_config('server_addr', '::') |
784 | server_port = self.get_localized_config('server_port', '7000') | |
31f18b77 FG |
785 | if server_addr is None: |
786 | raise RuntimeError('no server_addr configured; try "ceph config-key put mgr/dashboard/server_addr <ip>"') | |
787 | log.info("server_addr: %s server_port: %s" % (server_addr, server_port)) | |
788 | cherrypy.config.update({ | |
789 | 'server.socket_host': server_addr, | |
790 | 'server.socket_port': int(server_port), | |
791 | 'engine.autoreload.on': False | |
792 | }) | |
793 | ||
794 | static_dir = os.path.join(current_dir, 'static') | |
795 | conf = { | |
796 | "/static": { | |
797 | "tools.staticdir.on": True, | |
798 | 'tools.staticdir.dir': static_dir | |
799 | } | |
800 | } | |
801 | log.info("Serving static from {0}".format(static_dir)) | |
802 | cherrypy.tree.mount(Root(), "/", conf) | |
803 | ||
804 | log.info("Starting engine...") | |
805 | cherrypy.engine.start() | |
806 | log.info("Waiting for engine...") | |
807 | cherrypy.engine.block() | |
808 | log.info("Engine done.") |