Source code for ceilometer.event.endpoint

# 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_config import cfg
from oslo_log import log
import oslo_messaging
from stevedore import extension

from ceilometer.event import converter as event_converter
from ceilometer.i18n import _LE
from ceilometer import messaging

LOG = log.getLogger(__name__)


[docs]class EventsNotificationEndpoint(object): def __init__(self, manager): super(EventsNotificationEndpoint, self).__init__() LOG.debug('Loading event definitions') self.event_converter = event_converter.setup_events( extension.ExtensionManager( namespace='ceilometer.event.trait_plugin')) self.manager = manager
[docs] def info(self, notifications): """Convert message at info level to Ceilometer Event. :param notifications: list of notifications """ return self.process_notification('info', notifications)
[docs] def error(self, notifications): """Convert message at error level to Ceilometer Event. :param notifications: list of notifications """ return self.process_notification('error', notifications)
[docs] def process_notification(self, priority, notifications): for notification in notifications: # NOTE: the rpc layer currently rips out the notification # delivery_info, which is critical to determining the # source of the notification. This will have to get added back # later. notification = messaging.convert_to_old_notification_format( priority, notification) try: event = self.event_converter.to_event(notification) if event is not None: with self.manager.publisher() as p: p(event) except Exception: if not cfg.CONF.notification.ack_on_event_error: return oslo_messaging.NotificationResult.REQUEUE LOG.error(_LE('Fail to process a notification'), exc_info=True) return oslo_messaging.NotificationResult.HANDLED

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