oslo.messaging/oslo_messaging/notify/log_handler.py
Davanum Srinivas 33c1010c32 Option group for notifications
In change Ief6f95ea906bfd95b3218a930c9db5d8a764beb9, we 
decoupled RPC and Notifications a bit. We should take another
step and separate out the options for notifications into 
its own group.

Change-Id: Ib51e2839f9035d0cc0e3f459939d9f9003a8c810
2015-11-30 19:30:05 +00:00

45 lines
1.8 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import logging
from oslo_config import cfg
class LoggingErrorNotificationHandler(logging.Handler):
def __init__(self, *args, **kwargs):
# NOTE(dhellmann): Avoid a cyclical import by doing this one
# at runtime.
import oslo_messaging
logging.Handler.__init__(self, *args, **kwargs)
self._transport = oslo_messaging.get_notification_transport(cfg.CONF)
self._notifier = oslo_messaging.Notifier(
self._transport,
publisher_id='error.publisher')
def emit(self, record):
conf = self._transport.conf
# NOTE(bnemec): Notifier registers this opt with the transport.
if ('log' in conf.oslo_messaging_notifications.driver):
# NOTE(lbragstad): If we detect that log is one of the
# notification drivers, then return. This protects from infinite
# recursion where something bad happens, it gets logged, the log
# handler sends a notification, and the log_notifier sees the
# notification and logs it.
return
self._notifier.error({},
'error_notification',
dict(error=record.msg))
PublishErrorsHandler = LoggingErrorNotificationHandler