f7ed2c2a16
projects (specifically nova) send notifications on error topic when an error occurs. we should capture this in events. Change-Id: Ic42cbce948b8b409f83934146407b2480602921d Closes-Bug: #1364708
97 lines
3.9 KiB
Python
97 lines
3.9 KiB
Python
#
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# Copyright 2012-2014 eNovance <licensing@enovance.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import logging
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import oslo.messaging
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from oslo_config import cfg
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from oslo_context import context
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from stevedore import extension
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from ceilometer.event import converter as event_converter
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from ceilometer.i18n import _
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from ceilometer import messaging
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from ceilometer.publisher import utils
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LOG = logging.getLogger(__name__)
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class EventsNotificationEndpoint(object):
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def __init__(self, transporter):
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super(EventsNotificationEndpoint, self).__init__()
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LOG.debug(_('Loading event definitions'))
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self.ctxt = context.get_admin_context()
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self.event_converter = event_converter.setup_events(
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extension.ExtensionManager(
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namespace='ceilometer.event.trait_plugin'))
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self.transporter = transporter
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# NOTE(gordc): if no publisher, this isn't a PipelineManager and
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# data should be requeued.
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self.requeue = not hasattr(transporter, 'publisher')
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def info(self, ctxt, publisher_id, event_type, payload, metadata):
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"""Convert message to Ceilometer Event.
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:param ctxt: oslo.messaging context
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:param publisher_id: publisher of the notification
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:param event_type: type of notification
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:param payload: notification payload
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:param metadata: metadata about the notification
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"""
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# NOTE: the rpc layer currently rips out the notification
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# delivery_info, which is critical to determining the
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# source of the notification. This will have to get added back later.
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notification = messaging.convert_to_old_notification_format(
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'info', ctxt, publisher_id, event_type, payload, metadata)
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self.process_notification(notification)
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def error(self, ctxt, publisher_id, event_type, payload, metadata):
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"""Convert error message to Ceilometer Event.
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:param ctxt: oslo.messaging context
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:param publisher_id: publisher of the notification
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:param event_type: type of notification
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:param payload: notification payload
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:param metadata: metadata about the notification
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"""
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# NOTE: the rpc layer currently rips out the notification
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# delivery_info, which is critical to determining the
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# source of the notification. This will have to get added back later.
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notification = messaging.convert_to_old_notification_format(
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'error', ctxt, publisher_id, event_type, payload, metadata)
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self.process_notification(notification)
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def process_notification(self, notification):
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try:
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event = self.event_converter.to_event(notification)
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if event is not None:
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if self.requeue:
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for notifier in self.transporter:
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notifier.sample(
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self.ctxt.to_dict(),
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event_type='pipeline.event',
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payload=[utils.message_from_event(
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event, cfg.CONF.publisher.telemetry_secret)])
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else:
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with self.transporter.publisher(self.ctxt) as p:
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p(event)
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except Exception:
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if not cfg.CONF.notification.ack_on_event_error:
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return oslo.messaging.NotificationResult.REQUEUE
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raise
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return oslo.messaging.NotificationResult.HANDLED
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