125f5ccfab
Use oslo_log getting music out of api updating valet.conf Health Check for hanged Engine Wrong python-requests version Change-Id: Ibb2649c81dad94e51b579c0a99cfaf37b626095c
110 lines
3.6 KiB
Python
110 lines
3.6 KiB
Python
#
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# Copyright 2014-2017 AT&T Intellectual Property
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Hooks."""
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import json
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from pecan import conf
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from pecan.hooks import PecanHook
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import threading
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from valet import api
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from valet.api.common.i18n import _
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from valet.api.common import terminate_thread
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from valet.api.v1.controllers import error
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import webob
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class MessageNotificationHook(PecanHook):
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"""Send API request/responses out as Oslo msg notifications."""
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def after(self, state):
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"""Function sends valet notification."""
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self.dummy = True
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api.LOG.info('sending notification')
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notifier = conf.messaging.notifier
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status_code = state.response.status_code
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status = webob.exc.status_map.get(status_code)
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if issubclass(status, webob.exc.HTTPOk):
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notifier_fn = notifier.info
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else:
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notifier_fn = notifier.error
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# Not using this just yet.
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ctxt = {}
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request_path = state.request.path
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event_type_parts = ['api']
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api_version = state.request.path_info_pop()
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if api_version:
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event_type_parts.append(api_version)
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api_subject = state.request.path_info_pop()
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if api_subject:
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event_type_parts.append(api_subject)
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event_type = '.'.join(event_type_parts)
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request_method = state.request.method
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try:
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request_body = json.loads(state.request.body)
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except ValueError:
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request_body = None
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try:
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response_body = json.loads(state.response.body)
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except ValueError:
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response_body = state.response.body
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tenant_id = state.request.context.get('tenant_id', None)
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user_id = state.request.context.get('user_id', None)
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payload = {
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'context': {
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'tenant_id': tenant_id,
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'user_id': user_id,
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},
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'request': {
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'method': request_method,
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'path': request_path,
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'body': request_body,
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},
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'response': {
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'status_code': status_code,
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'body': response_body,
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}
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}
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# notifier_fn blocks in case rabbit mq is down
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# it prevents Valet API to return its response
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# send the notification in a different thread
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notifier_thread = threading.Thread(target=notifier_fn, args=(ctxt, event_type, payload))
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notifier_thread.start()
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# launch a timer to verify no hung threads are left behind
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# (when timeout expires kill the notifier thread if it still alive)
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watcher = threading.Timer(conf.messaging.timeout, terminate_thread, args=[notifier_thread])
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watcher.start()
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api.LOG.info('notification sent.')
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class NotFoundHook(PecanHook):
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"""Catchall 'not found' hook for API."""
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def on_error(self, state, exc):
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"""Redirect to app-specific not_found endpoint if 404 only."""
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self.dummy = True
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if isinstance(exc, webob.exc.WSGIHTTPException) and exc.code == 404:
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message = _('The resource could not be found.')
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error('/errors/not_found', message)
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