Source code for ceilometer.event.endpoint

#
# Copyright 2012-2014 eNovance <licensing@enovance.com>
#
# Author: Mehdi Abaakouk <mehdi.abaakouk@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.

import logging

from oslo.config import cfg
import oslo.messaging
from stevedore import extension

import ceilometer
from ceilometer import dispatcher
from ceilometer.event import converter as event_converter
from ceilometer import messaging
from ceilometer.openstack.common.gettextutils import _
from ceilometer.storage import models

LOG = logging.getLogger(__name__)


[docs]class EventsNotificationEndpoint(object): def __init__(self): super(EventsNotificationEndpoint, self).__init__() self.dispatcher_manager = dispatcher.load_dispatcher_manager() LOG.debug(_('Loading event definitions')) self.event_converter = event_converter.setup_events( extension.ExtensionManager( namespace='ceilometer.event.trait_plugin'))
[docs] def info(self, ctxt, publisher_id, event_type, payload, metadata): """Convert message to Ceilometer Event. :param ctxt: oslo.messaging context :param publisher_id: publisher of the notification :param event_type: type of notification :param payload: notification payload :param metadata: metadata about the notification """ # 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( 'info', ctxt, publisher_id, event_type, payload, metadata) self.process_notification(notification)
[docs] def process_notification(self, notification): event = self.event_converter.to_event(notification) if event is not None: LOG.debug(_('Saving event "%s"'), event.event_type) problem_events = [] for dispatcher_ext in self.dispatcher_manager: try: problem_events.extend( dispatcher_ext.obj.record_events(event)) except ceilometer.NotImplementedError: LOG.warn(_('Event is not implemented with the storage' ' backend')) if models.Event.UNKNOWN_PROBLEM in [x[0] for x in problem_events]: if not cfg.CONF.notification.ack_on_event_error: return oslo.messaging.NotificationResult.REQUEUE return oslo.messaging.NotificationResult.HANDLED