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Commit | Line | Data |
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11fdf7f2 | 1 | # -*- coding: utf-8 -*- |
31f18b77 | 2 | """ |
11fdf7f2 | 3 | ceph dashboard mgr plugin (based on CherryPy) |
31f18b77 | 4 | """ |
11fdf7f2 | 5 | from __future__ import absolute_import |
31f18b77 | 6 | |
31f18b77 | 7 | import collections |
11fdf7f2 | 8 | import errno |
9f95a23c | 9 | import logging |
31f18b77 | 10 | import os |
3efd9988 | 11 | import socket |
f91f0fd5 TL |
12 | import ssl |
13 | import sys | |
11fdf7f2 TL |
14 | import tempfile |
15 | import threading | |
16 | import time | |
18d92ca7 | 17 | from typing import TYPE_CHECKING, Optional |
f6b5b4d7 | 18 | |
18d92ca7 TL |
19 | if TYPE_CHECKING: |
20 | if sys.version_info >= (3, 8): | |
21 | from typing import Literal | |
22 | else: | |
23 | from typing_extensions import Literal | |
24 | ||
25 | from mgr_module import CLIWriteCommand, HandleCommandResult, MgrModule, \ | |
26 | MgrStandbyModule, Option, _get_localized_key | |
f67539c2 TL |
27 | from mgr_util import ServerConfigException, create_self_signed_cert, \ |
28 | get_default_addr, verify_tls_files | |
29 | ||
30 | from . import mgr | |
31 | from .controllers import generate_routes, json_error_page | |
32 | from .grafana import push_local_dashboards | |
33 | from .services.auth import AuthManager, AuthManagerTool, JwtManager | |
34 | from .services.exception import dashboard_exception_handler | |
35 | from .services.sso import SSO_COMMANDS, handle_sso_command | |
36 | from .settings import handle_option_command, options_command_list, options_schema_list | |
37 | from .tools import NotificationQueue, RequestLoggingTool, TaskManager, \ | |
38 | prepare_url_prefix, str_to_bool | |
11fdf7f2 TL |
39 | |
40 | try: | |
41 | import cherrypy | |
42 | from cherrypy._cptools import HandlerWrapperTool | |
43 | except ImportError: | |
44 | # To be picked up and reported by .can_run() | |
45 | cherrypy = None | |
46 | ||
47 | from .services.sso import load_sso_db | |
48 | ||
11fdf7f2 | 49 | if cherrypy is not None: |
92f5a8d4 TL |
50 | from .cherrypy_backports import patch_cherrypy |
51 | patch_cherrypy(cherrypy.__version__) | |
a8e16298 | 52 | |
11fdf7f2 | 53 | # pylint: disable=wrong-import-position |
f67539c2 | 54 | from .plugins import PLUGIN_MANAGER, debug, feature_toggles # noqa # pylint: disable=unused-import |
92f5a8d4 TL |
55 | |
56 | PLUGIN_MANAGER.hook.init() | |
3efd9988 FG |
57 | |
58 | ||
11fdf7f2 TL |
59 | # cherrypy likes to sys.exit on error. don't let it take us down too! |
60 | # pylint: disable=W0613 | |
61 | def os_exit_noop(*args): | |
62 | pass | |
3efd9988 | 63 | |
b32b8144 | 64 | |
11fdf7f2 TL |
65 | # pylint: disable=W0212 |
66 | os._exit = os_exit_noop | |
b32b8144 | 67 | |
3efd9988 | 68 | |
9f95a23c TL |
69 | logger = logging.getLogger(__name__) |
70 | ||
71 | ||
11fdf7f2 TL |
72 | class CherryPyConfig(object): |
73 | """ | |
74 | Class for common server configuration done by both active and | |
75 | standby module, especially setting up SSL. | |
76 | """ | |
81eedcae | 77 | |
11fdf7f2 TL |
78 | def __init__(self): |
79 | self._stopping = threading.Event() | |
80 | self._url_prefix = "" | |
3efd9988 | 81 | |
11fdf7f2 TL |
82 | self.cert_tmp = None |
83 | self.pkey_tmp = None | |
3efd9988 FG |
84 | |
85 | def shutdown(self): | |
11fdf7f2 | 86 | self._stopping.set() |
3efd9988 | 87 | |
31f18b77 | 88 | @property |
11fdf7f2 TL |
89 | def url_prefix(self): |
90 | return self._url_prefix | |
31f18b77 | 91 | |
92f5a8d4 TL |
92 | @staticmethod |
93 | def update_cherrypy_config(config): | |
94 | PLUGIN_MANAGER.hook.configure_cherrypy(config=config) | |
95 | cherrypy.config.update(config) | |
96 | ||
81eedcae | 97 | # pylint: disable=too-many-branches |
11fdf7f2 | 98 | def _configure(self): |
31f18b77 | 99 | """ |
11fdf7f2 TL |
100 | Configure CherryPy and initialize self.url_prefix |
101 | ||
102 | :returns our URI | |
31f18b77 | 103 | """ |
9f95a23c | 104 | server_addr = self.get_localized_module_option( # type: ignore |
494da23a | 105 | 'server_addr', get_default_addr()) |
f91f0fd5 TL |
106 | use_ssl = self.get_localized_module_option('ssl', True) # type: ignore |
107 | if not use_ssl: | |
9f95a23c | 108 | server_port = self.get_localized_module_option('server_port', 8080) # type: ignore |
31f18b77 | 109 | else: |
9f95a23c | 110 | server_port = self.get_localized_module_option('ssl_server_port', 8443) # type: ignore |
31f18b77 | 111 | |
11fdf7f2 TL |
112 | if server_addr is None: |
113 | raise ServerConfigException( | |
114 | 'no server_addr configured; ' | |
115 | 'try "ceph config set mgr mgr/{}/{}/server_addr <ip>"' | |
9f95a23c | 116 | .format(self.module_name, self.get_mgr_id())) # type: ignore |
f91f0fd5 | 117 | self.log.info('server: ssl=%s host=%s port=%d', 'yes' if use_ssl else 'no', # type: ignore |
11fdf7f2 TL |
118 | server_addr, server_port) |
119 | ||
120 | # Initialize custom handlers. | |
121 | cherrypy.tools.authenticate = AuthManagerTool() | |
92f5a8d4 | 122 | cherrypy.tools.plugin_hooks_filter_request = cherrypy.Tool( |
11fdf7f2 TL |
123 | 'before_handler', |
124 | lambda: PLUGIN_MANAGER.hook.filter_request_before_handler(request=cherrypy.request), | |
92f5a8d4 | 125 | priority=1) |
11fdf7f2 TL |
126 | cherrypy.tools.request_logging = RequestLoggingTool() |
127 | cherrypy.tools.dashboard_exception_handler = HandlerWrapperTool(dashboard_exception_handler, | |
128 | priority=31) | |
129 | ||
9f95a23c TL |
130 | cherrypy.log.access_log.propagate = False |
131 | cherrypy.log.error_log.propagate = False | |
132 | ||
11fdf7f2 TL |
133 | # Apply the 'global' CherryPy configuration. |
134 | config = { | |
135 | 'engine.autoreload.on': False, | |
136 | 'server.socket_host': server_addr, | |
137 | 'server.socket_port': int(server_port), | |
138 | 'error_page.default': json_error_page, | |
139 | 'tools.request_logging.on': True, | |
140 | 'tools.gzip.on': True, | |
141 | 'tools.gzip.mime_types': [ | |
142 | # text/html and text/plain are the default types to compress | |
143 | 'text/html', 'text/plain', | |
144 | # We also want JSON and JavaScript to be compressed | |
145 | 'application/json', | |
f67539c2 | 146 | 'application/*+json', |
11fdf7f2 TL |
147 | 'application/javascript', |
148 | ], | |
149 | 'tools.json_in.on': True, | |
f91f0fd5 | 150 | 'tools.json_in.force': True, |
92f5a8d4 | 151 | 'tools.plugin_hooks_filter_request.on': True, |
31f18b77 FG |
152 | } |
153 | ||
f91f0fd5 | 154 | if use_ssl: |
11fdf7f2 | 155 | # SSL initialization |
f67539c2 | 156 | cert = self.get_localized_store("crt") # type: ignore |
11fdf7f2 TL |
157 | if cert is not None: |
158 | self.cert_tmp = tempfile.NamedTemporaryFile() | |
159 | self.cert_tmp.write(cert.encode('utf-8')) | |
160 | self.cert_tmp.flush() # cert_tmp must not be gc'ed | |
161 | cert_fname = self.cert_tmp.name | |
b32b8144 | 162 | else: |
9f95a23c | 163 | cert_fname = self.get_localized_module_option('crt_file') # type: ignore |
11fdf7f2 | 164 | |
f67539c2 | 165 | pkey = self.get_localized_store("key") # type: ignore |
11fdf7f2 TL |
166 | if pkey is not None: |
167 | self.pkey_tmp = tempfile.NamedTemporaryFile() | |
168 | self.pkey_tmp.write(pkey.encode('utf-8')) | |
169 | self.pkey_tmp.flush() # pkey_tmp must not be gc'ed | |
170 | pkey_fname = self.pkey_tmp.name | |
171 | else: | |
9f95a23c | 172 | pkey_fname = self.get_localized_module_option('key_file') # type: ignore |
c07f9fc5 | 173 | |
eafe8130 | 174 | verify_tls_files(cert_fname, pkey_fname) |
81eedcae | 175 | |
f91f0fd5 TL |
176 | # Create custom SSL context to disable TLS 1.0 and 1.1. |
177 | context = ssl.create_default_context(ssl.Purpose.CLIENT_AUTH) | |
178 | context.load_cert_chain(cert_fname, pkey_fname) | |
179 | if sys.version_info >= (3, 7): | |
180 | context.minimum_version = ssl.TLSVersion.TLSv1_2 | |
181 | else: | |
182 | context.options |= ssl.OP_NO_TLSv1 | ssl.OP_NO_TLSv1_1 | |
183 | ||
11fdf7f2 TL |
184 | config['server.ssl_module'] = 'builtin' |
185 | config['server.ssl_certificate'] = cert_fname | |
186 | config['server.ssl_private_key'] = pkey_fname | |
f91f0fd5 | 187 | config['server.ssl_context'] = context |
31f18b77 | 188 | |
92f5a8d4 | 189 | self.update_cherrypy_config(config) |
31f18b77 | 190 | |
9f95a23c TL |
191 | self._url_prefix = prepare_url_prefix(self.get_module_option( # type: ignore |
192 | 'url_prefix', default='')) | |
31f18b77 | 193 | |
11fdf7f2 | 194 | uri = "{0}://{1}:{2}{3}/".format( |
f91f0fd5 | 195 | 'https' if use_ssl else 'http', |
1911f103 | 196 | socket.getfqdn(server_addr if server_addr != '::' else ''), |
11fdf7f2 TL |
197 | server_port, |
198 | self.url_prefix | |
199 | ) | |
1adf2230 | 200 | |
11fdf7f2 | 201 | return uri |
1adf2230 | 202 | |
11fdf7f2 TL |
203 | def await_configuration(self): |
204 | """ | |
205 | Block until configuration is ready (i.e. all needed keys are set) | |
206 | or self._stopping is set. | |
31f18b77 | 207 | |
11fdf7f2 TL |
208 | :returns URI of configured webserver |
209 | """ | |
210 | while not self._stopping.is_set(): | |
211 | try: | |
212 | uri = self._configure() | |
213 | except ServerConfigException as e: | |
9f95a23c TL |
214 | self.log.info( # type: ignore |
215 | "Config not ready to serve, waiting: {0}".format(e) | |
216 | ) | |
11fdf7f2 TL |
217 | # Poll until a non-errored config is present |
218 | self._stopping.wait(5) | |
219 | else: | |
9f95a23c | 220 | self.log.info("Configured CherryPy, starting engine...") # type: ignore |
11fdf7f2 | 221 | return uri |
31f18b77 | 222 | |
31f18b77 | 223 | |
18d92ca7 TL |
224 | if TYPE_CHECKING: |
225 | SslConfigKey = Literal['crt', 'key'] | |
226 | ||
227 | ||
11fdf7f2 TL |
228 | class Module(MgrModule, CherryPyConfig): |
229 | """ | |
230 | dashboard module entrypoint | |
231 | """ | |
31f18b77 | 232 | |
11fdf7f2 TL |
233 | COMMANDS = [ |
234 | { | |
235 | 'cmd': 'dashboard set-jwt-token-ttl ' | |
236 | 'name=seconds,type=CephInt', | |
237 | 'desc': 'Set the JWT token TTL in seconds', | |
238 | 'perm': 'w' | |
239 | }, | |
240 | { | |
241 | 'cmd': 'dashboard get-jwt-token-ttl', | |
242 | 'desc': 'Get the JWT token TTL in seconds', | |
243 | 'perm': 'r' | |
244 | }, | |
245 | { | |
246 | "cmd": "dashboard create-self-signed-cert", | |
247 | "desc": "Create self signed certificate", | |
248 | "perm": "w" | |
249 | }, | |
81eedcae TL |
250 | { |
251 | "cmd": "dashboard grafana dashboards update", | |
252 | "desc": "Push dashboards to Grafana", | |
253 | "perm": "w", | |
254 | }, | |
11fdf7f2 TL |
255 | ] |
256 | COMMANDS.extend(options_command_list()) | |
257 | COMMANDS.extend(SSO_COMMANDS) | |
258 | PLUGIN_MANAGER.hook.register_commands() | |
259 | ||
260 | MODULE_OPTIONS = [ | |
494da23a | 261 | Option(name='server_addr', type='str', default=get_default_addr()), |
11fdf7f2 TL |
262 | Option(name='server_port', type='int', default=8080), |
263 | Option(name='ssl_server_port', type='int', default=8443), | |
264 | Option(name='jwt_token_ttl', type='int', default=28800), | |
11fdf7f2 | 265 | Option(name='url_prefix', type='str', default=''), |
11fdf7f2 TL |
266 | Option(name='key_file', type='str', default=''), |
267 | Option(name='crt_file', type='str', default=''), | |
eafe8130 TL |
268 | Option(name='ssl', type='bool', default=True), |
269 | Option(name='standby_behaviour', type='str', default='redirect', | |
270 | enum_allowed=['redirect', 'error']), | |
271 | Option(name='standby_error_status_code', type='int', default=500, | |
272 | min=400, max=599) | |
11fdf7f2 TL |
273 | ] |
274 | MODULE_OPTIONS.extend(options_schema_list()) | |
275 | for options in PLUGIN_MANAGER.hook.get_options() or []: | |
276 | MODULE_OPTIONS.extend(options) | |
277 | ||
278 | __pool_stats = collections.defaultdict(lambda: collections.defaultdict( | |
9f95a23c | 279 | lambda: collections.deque(maxlen=10))) # type: dict |
31f18b77 | 280 | |
11fdf7f2 TL |
281 | def __init__(self, *args, **kwargs): |
282 | super(Module, self).__init__(*args, **kwargs) | |
283 | CherryPyConfig.__init__(self) | |
31f18b77 | 284 | |
11fdf7f2 | 285 | mgr.init(self) |
31f18b77 | 286 | |
11fdf7f2 TL |
287 | self._stopping = threading.Event() |
288 | self.shutdown_event = threading.Event() | |
11fdf7f2 TL |
289 | self.ACCESS_CTRL_DB = None |
290 | self.SSO_DB = None | |
adb31ebb | 291 | self.health_checks = {} |
31f18b77 | 292 | |
11fdf7f2 TL |
293 | @classmethod |
294 | def can_run(cls): | |
295 | if cherrypy is None: | |
296 | return False, "Missing dependency: cherrypy" | |
31f18b77 | 297 | |
11fdf7f2 | 298 | if not os.path.exists(cls.get_frontend_path()): |
f67539c2 TL |
299 | return False, ("Frontend assets not found at '{}': incomplete build?" |
300 | .format(cls.get_frontend_path())) | |
31f18b77 | 301 | |
11fdf7f2 | 302 | return True, "" |
31f18b77 | 303 | |
11fdf7f2 TL |
304 | @classmethod |
305 | def get_frontend_path(cls): | |
306 | current_dir = os.path.dirname(os.path.abspath(__file__)) | |
307 | return os.path.join(current_dir, 'frontend/dist') | |
c07f9fc5 | 308 | |
11fdf7f2 | 309 | def serve(self): |
f6b5b4d7 TL |
310 | |
311 | if 'COVERAGE_ENABLED' in os.environ: | |
312 | import coverage | |
313 | __cov = coverage.Coverage(config_file="{}/.coveragerc" | |
314 | .format(os.path.dirname(__file__)), | |
315 | data_suffix=True) | |
316 | __cov.start() | |
317 | cherrypy.engine.subscribe('after_request', __cov.save) | |
318 | cherrypy.engine.subscribe('stop', __cov.stop) | |
319 | ||
11fdf7f2 TL |
320 | AuthManager.initialize() |
321 | load_sso_db() | |
31f18b77 | 322 | |
11fdf7f2 TL |
323 | uri = self.await_configuration() |
324 | if uri is None: | |
325 | # We were shut down while waiting | |
326 | return | |
3efd9988 FG |
327 | |
328 | # Publish the URI that others may use to access the service we're | |
329 | # about to start serving | |
11fdf7f2 | 330 | self.set_uri(uri) |
c07f9fc5 | 331 | |
11fdf7f2 | 332 | mapper, parent_urls = generate_routes(self.url_prefix) |
c07f9fc5 | 333 | |
eafe8130 | 334 | config = {} |
11fdf7f2 TL |
335 | for purl in parent_urls: |
336 | config[purl] = { | |
337 | 'request.dispatch': mapper | |
338 | } | |
92f5a8d4 | 339 | |
11fdf7f2 | 340 | cherrypy.tree.mount(None, config=config) |
c07f9fc5 | 341 | |
11fdf7f2 | 342 | PLUGIN_MANAGER.hook.setup() |
c07f9fc5 | 343 | |
11fdf7f2 TL |
344 | cherrypy.engine.start() |
345 | NotificationQueue.start_queue() | |
346 | TaskManager.init() | |
347 | logger.info('Engine started.') | |
81eedcae TL |
348 | update_dashboards = str_to_bool( |
349 | self.get_module_option('GRAFANA_UPDATE_DASHBOARDS', 'False')) | |
350 | if update_dashboards: | |
351 | logger.info('Starting Grafana dashboard task') | |
352 | TaskManager.run( | |
353 | 'grafana/dashboards/update', | |
354 | {}, | |
355 | push_local_dashboards, | |
356 | kwargs=dict(tries=10, sleep=60), | |
357 | ) | |
11fdf7f2 TL |
358 | # wait for the shutdown event |
359 | self.shutdown_event.wait() | |
360 | self.shutdown_event.clear() | |
361 | NotificationQueue.stop() | |
362 | cherrypy.engine.stop() | |
363 | logger.info('Engine stopped') | |
c07f9fc5 | 364 | |
11fdf7f2 TL |
365 | def shutdown(self): |
366 | super(Module, self).shutdown() | |
367 | CherryPyConfig.shutdown(self) | |
368 | logger.info('Stopping engine...') | |
369 | self.shutdown_event.set() | |
370 | ||
18d92ca7 TL |
371 | def _set_ssl_item(self, item_label: str, item_key: 'SslConfigKey' = 'crt', |
372 | mgr_id: Optional[str] = None, inbuf: Optional[str] = None): | |
494da23a | 373 | if inbuf is None: |
18d92ca7 TL |
374 | return -errno.EINVAL, '', f'Please specify the {item_label} with "-i" option' |
375 | ||
494da23a | 376 | if mgr_id is not None: |
18d92ca7 | 377 | self.set_store(_get_localized_key(mgr_id, item_key), inbuf) |
494da23a | 378 | else: |
18d92ca7 TL |
379 | self.set_store(item_key, inbuf) |
380 | return 0, f'SSL {item_label} updated', '' | |
381 | ||
382 | @CLIWriteCommand("dashboard set-ssl-certificate") | |
383 | def set_ssl_certificate(self, mgr_id: Optional[str] = None, inbuf: Optional[str] = None): | |
384 | return self._set_ssl_item('certificate', 'crt', mgr_id, inbuf) | |
494da23a | 385 | |
f67539c2 | 386 | @CLIWriteCommand("dashboard set-ssl-certificate-key") |
18d92ca7 TL |
387 | def set_ssl_certificate_key(self, mgr_id: Optional[str] = None, inbuf: Optional[str] = None): |
388 | return self._set_ssl_item('certificate key', 'key', mgr_id, inbuf) | |
389 | ||
390 | @CLIWriteCommand("dashboard create-self-signed-cert") | |
391 | def set_mgr_created_self_signed_cert(self): | |
392 | cert, pkey = create_self_signed_cert('IT', 'ceph-dashboard') | |
393 | result = HandleCommandResult(*self.set_ssl_certificate(inbuf=cert)) | |
394 | if result.retval != 0: | |
395 | return result | |
396 | ||
397 | result = HandleCommandResult(*self.set_ssl_certificate_key(inbuf=pkey)) | |
398 | if result.retval != 0: | |
399 | return result | |
400 | return 0, 'Self-signed certificate created', '' | |
494da23a | 401 | |
11fdf7f2 TL |
402 | def handle_command(self, inbuf, cmd): |
403 | # pylint: disable=too-many-return-statements | |
cd265ab1 | 404 | res = handle_option_command(cmd, inbuf) |
11fdf7f2 TL |
405 | if res[0] != -errno.ENOSYS: |
406 | return res | |
407 | res = handle_sso_command(cmd) | |
408 | if res[0] != -errno.ENOSYS: | |
409 | return res | |
410 | if cmd['prefix'] == 'dashboard set-jwt-token-ttl': | |
411 | self.set_module_option('jwt_token_ttl', str(cmd['seconds'])) | |
412 | return 0, 'JWT token TTL updated', '' | |
413 | if cmd['prefix'] == 'dashboard get-jwt-token-ttl': | |
414 | ttl = self.get_module_option('jwt_token_ttl', JwtManager.JWT_TOKEN_TTL) | |
415 | return 0, str(ttl), '' | |
81eedcae TL |
416 | if cmd['prefix'] == 'dashboard grafana dashboards update': |
417 | push_local_dashboards() | |
418 | return 0, 'Grafana dashboards updated', '' | |
11fdf7f2 TL |
419 | |
420 | return (-errno.EINVAL, '', 'Command not found \'{0}\'' | |
421 | .format(cmd['prefix'])) | |
422 | ||
11fdf7f2 TL |
423 | def notify(self, notify_type, notify_id): |
424 | NotificationQueue.new_notification(notify_type, notify_id) | |
425 | ||
426 | def get_updated_pool_stats(self): | |
427 | df = self.get('df') | |
428 | pool_stats = {p['id']: p['stats'] for p in df['pools']} | |
429 | now = time.time() | |
430 | for pool_id, stats in pool_stats.items(): | |
431 | for stat_name, stat_val in stats.items(): | |
432 | self.__pool_stats[pool_id][stat_name].append((now, stat_val)) | |
c07f9fc5 | 433 | |
11fdf7f2 | 434 | return self.__pool_stats |
c07f9fc5 | 435 | |
adb31ebb TL |
436 | def config_notify(self): |
437 | """ | |
438 | This method is called whenever one of our config options is changed. | |
439 | """ | |
440 | PLUGIN_MANAGER.hook.config_notify() | |
441 | ||
442 | def refresh_health_checks(self): | |
443 | self.set_health_checks(self.health_checks) | |
444 | ||
c07f9fc5 | 445 | |
11fdf7f2 TL |
446 | class StandbyModule(MgrStandbyModule, CherryPyConfig): |
447 | def __init__(self, *args, **kwargs): | |
448 | super(StandbyModule, self).__init__(*args, **kwargs) | |
449 | CherryPyConfig.__init__(self) | |
450 | self.shutdown_event = threading.Event() | |
c07f9fc5 | 451 | |
11fdf7f2 TL |
452 | # We can set the global mgr instance to ourselves even though |
453 | # we're just a standby, because it's enough for logging. | |
454 | mgr.init(self) | |
c07f9fc5 | 455 | |
11fdf7f2 TL |
456 | def serve(self): |
457 | uri = self.await_configuration() | |
458 | if uri is None: | |
459 | # We were shut down while waiting | |
460 | return | |
c07f9fc5 | 461 | |
11fdf7f2 | 462 | module = self |
c07f9fc5 | 463 | |
11fdf7f2 | 464 | class Root(object): |
c07f9fc5 | 465 | @cherrypy.expose |
92f5a8d4 | 466 | def default(self, *args, **kwargs): |
eafe8130 TL |
467 | if module.get_module_option('standby_behaviour', 'redirect') == 'redirect': |
468 | active_uri = module.get_active_uri() | |
469 | if active_uri: | |
470 | module.log.info("Redirecting to active '%s'", active_uri) | |
471 | raise cherrypy.HTTPRedirect(active_uri) | |
472 | else: | |
473 | template = """ | |
474 | <html> | |
475 | <!-- Note: this is only displayed when the standby | |
476 | does not know an active URI to redirect to, otherwise | |
477 | a simple redirect is returned instead --> | |
478 | <head> | |
479 | <title>Ceph</title> | |
480 | <meta http-equiv="refresh" content="{delay}"> | |
481 | </head> | |
482 | <body> | |
483 | No active ceph-mgr instance is currently running | |
484 | the dashboard. A failover may be in progress. | |
485 | Retrying in {delay} seconds... | |
486 | </body> | |
487 | </html> | |
488 | """ | |
489 | return template.format(delay=5) | |
11fdf7f2 | 490 | else: |
eafe8130 TL |
491 | status = module.get_module_option('standby_error_status_code', 500) |
492 | raise cherrypy.HTTPError(status, message="Keep on looking") | |
11fdf7f2 TL |
493 | |
494 | cherrypy.tree.mount(Root(), "{}/".format(self.url_prefix), {}) | |
495 | self.log.info("Starting engine...") | |
31f18b77 | 496 | cherrypy.engine.start() |
11fdf7f2 TL |
497 | self.log.info("Engine started...") |
498 | # Wait for shutdown event | |
499 | self.shutdown_event.wait() | |
500 | self.shutdown_event.clear() | |
501 | cherrypy.engine.stop() | |
502 | self.log.info("Engine stopped.") | |
503 | ||
504 | def shutdown(self): | |
505 | CherryPyConfig.shutdown(self) | |
506 | ||
507 | self.log.info("Stopping engine...") | |
508 | self.shutdown_event.set() | |
509 | self.log.info("Stopped engine...") |