ceilometer/ceilometer/pipeline/event.py
gord chung 000c5d89a3 common notification endpoint
make samples and events use a common endpoint class

Change-Id: I1d15783721f91ee90adfbac88cef2a44e0b23868
2017-11-08 01:05:28 +00:00

63 lines
2.2 KiB
Python

# Copyright 2012-2014 eNovance <licensing@enovance.com>
#
# 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.
from oslo_log import log
import oslo_messaging
from stevedore import extension
from ceilometer.event import converter
from ceilometer import pipeline
LOG = log.getLogger(__name__)
class EventEndpoint(pipeline.NotificationEndpoint):
event_types = []
def __init__(self, manager):
super(EventEndpoint, self).__init__(manager)
LOG.debug('Loading event definitions')
self.event_converter = converter.setup_events(
manager.conf,
extension.ExtensionManager(
namespace='ceilometer.event.trait_plugin'))
def info(self, notifications):
"""Convert message at info level to Ceilometer Event.
:param notifications: list of notifications
"""
return self.process_notifications('info', notifications)
def error(self, notifications):
"""Convert message at error level to Ceilometer Event.
:param notifications: list of notifications
"""
return self.process_notifications('error', notifications)
def process_notifications(self, priority, notifications):
for message in notifications:
try:
event = self.event_converter.to_event(priority, message)
if event is not None:
with self.manager.publisher() as p:
p(event)
except Exception:
if not self.manager.conf.notification.ack_on_event_error:
return oslo_messaging.NotificationResult.REQUEUE
LOG.error('Fail to process a notification', exc_info=True)
return oslo_messaging.NotificationResult.HANDLED