Source code for ceilometer.volume.notifications

#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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.
"""Converters for producing volume counter messages from cinder notification
events.
"""

import oslo.messaging
from oslo_config import cfg

from ceilometer.agent import plugin_base
from ceilometer import sample

OPTS = [
    cfg.StrOpt('cinder_control_exchange',
               default='cinder',
               help="Exchange name for Cinder notifications."),
]


cfg.CONF.register_opts(OPTS)


[docs]class VolumeBase(plugin_base.NotificationBase): """Convert volume/snapshot notification into Counters.""" @staticmethod
[docs] def get_targets(conf): """Return a sequence of oslo.messaging.Target Sequence defining the exchange and topics to be connected for this plugin. """ return [oslo.messaging.Target(topic=topic, exchange=conf.cinder_control_exchange) for topic in conf.notification_topics]
[docs]class VolumeCRUDBase(VolumeBase): """Convert volume notifications into Counters.""" event_types = [ 'volume.exists', 'volume.create.*', 'volume.delete.*', 'volume.resize.*', 'volume.attach.*', 'volume.detach.*', 'volume.update.*' ]
[docs]class VolumeCRUD(VolumeCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name=message['event_type'], type=sample.TYPE_DELTA, unit='volume', volume=1, user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['volume_id'], message=message)
[docs]class Volume(VolumeCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='volume', type=sample.TYPE_GAUGE, unit='volume', volume=1, user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['volume_id'], message=message)
[docs]class VolumeSize(VolumeCRUDBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='volume.size', type=sample.TYPE_GAUGE, unit='GB', volume=message['payload']['size'], user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['volume_id'], message=message)
[docs]class SnapshotCRUDBase(VolumeBase): """Convert snapshot notifications into Counters.""" event_types = [ 'snapshot.exists', 'snapshot.create.*', 'snapshot.delete.*', 'snapshot.update.*' ]
[docs]class SnapshotCRUD(SnapshotCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name=message['event_type'], type=sample.TYPE_DELTA, unit='snapshot', volume=1, user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['snapshot_id'], message=message)
[docs]class Snapshot(SnapshotCRUDBase, plugin_base.NonMetricNotificationBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='snapshot', type=sample.TYPE_GAUGE, unit='snapshot', volume=1, user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['snapshot_id'], message=message)
[docs]class SnapshotSize(SnapshotCRUDBase):
[docs] def process_notification(self, message): yield sample.Sample.from_notification( name='snapshot.size', type=sample.TYPE_GAUGE, unit='GB', volume=message['payload']['volume_size'], user_id=message['payload']['user_id'], project_id=message['payload']['tenant_id'], resource_id=message['payload']['snapshot_id'], message=message)