/usr/lib/python2.7/dist-packages/oslo_messaging/notify/logger.py is in python-oslo.messaging 4.6.1-2ubuntu1.
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#
# 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.
"""
Driver for the Python logging package that sends log records as a notification.
"""
import logging
from oslo_config import cfg
from oslo_messaging.notify import notifier
class LoggingNotificationHandler(logging.Handler):
"""Handler for logging to the messaging notification system.
Each time the application logs a message using the :py:mod:`logging`
module, it will be sent as a notification. The severity used for the
notification will be the same as the one used for the log record.
This can be used into a Python logging configuration this way::
[handler_notifier]
class=oslo_messaging.LoggingNotificationHandler
level=ERROR
args=('rabbit:///')
"""
CONF = cfg.CONF
"""Default configuration object used, subclass this class if you want to
use another one.
"""
def __init__(self, url, publisher_id=None, driver=None,
topic=None, serializer=None):
self.notifier = notifier.Notifier(
notifier.get_notification_transport(self.CONF, url),
publisher_id, driver,
topic,
serializer() if serializer else None)
logging.Handler.__init__(self)
def emit(self, record):
"""Emit the log record to the messaging notification system.
:param record: A log record to emit.
"""
method = getattr(self.notifier, record.levelname.lower(), None)
if not method:
return
method(
{},
'logrecord',
{
'name': record.name,
'levelno': record.levelno,
'levelname': record.levelname,
'exc_info': record.exc_info,
'pathname': record.pathname,
'lineno': record.lineno,
'msg': record.getMessage(),
'funcName': record.funcName,
'thread': record.thread,
'processName': record.processName,
'process': record.process,
'extra': getattr(record, 'extra', None),
}
)
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