e73fc9b5cb
Handle attach and detach Cinder notifications so the latest volume state is available in samples. Closes-bug: #1353590 Change-Id: I725d04bee332429e864941199e37aef07a0f6adf
127 lines
3.7 KiB
Python
127 lines
3.7 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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#
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# Author: Julien Danjou <julien@danjou.info>
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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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"""Converters for producing volume counter messages from cinder notification
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events.
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"""
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from oslo.config import cfg
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import oslo.messaging
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from ceilometer import plugin
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from ceilometer import sample
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OPTS = [
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cfg.StrOpt('cinder_control_exchange',
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default='cinder',
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help="Exchange name for Cinder notifications."),
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]
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cfg.CONF.register_opts(OPTS)
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class _Base(plugin.NotificationBase):
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"""Convert volume/snapshot notification into Counters."""
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@staticmethod
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def get_targets(conf):
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"""Return a sequence of oslo.messaging.Target
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Sequence defining the exchange and topics to be connected for this
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plugin.
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"""
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return [oslo.messaging.Target(topic=topic,
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exchange=conf.cinder_control_exchange)
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for topic in conf.notification_topics]
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class _VolumeBase(_Base):
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"""Convert volume notifications into Counters."""
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event_types = [
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'volume.exists',
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'volume.create.*',
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'volume.delete.*',
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'volume.resize.*',
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'volume.attach.*',
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'volume.detach.*',
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]
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class Volume(_VolumeBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='volume',
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type=sample.TYPE_GAUGE,
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unit='volume',
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volume=1,
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['volume_id'],
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message=message)
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class VolumeSize(_VolumeBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='volume.size',
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type=sample.TYPE_GAUGE,
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unit='GB',
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volume=message['payload']['size'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['volume_id'],
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message=message)
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class _SnapshotBase(_Base):
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"""Convert snapshot notifications into Counters."""
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event_types = [
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'snapshot.exists',
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'snapshot.create.*',
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'snapshot.delete.*',
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'snapshot.resize.*',
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]
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class Snapshot(_SnapshotBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='snapshot',
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type=sample.TYPE_GAUGE,
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unit='snapshot',
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volume=1,
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['snapshot_id'],
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message=message)
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class SnapshotSize(_SnapshotBase):
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def process_notification(self, message):
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yield sample.Sample.from_notification(
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name='snapshot.size',
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type=sample.TYPE_GAUGE,
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unit='GB',
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volume=message['payload']['volume_size'],
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user_id=message['payload']['user_id'],
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project_id=message['payload']['tenant_id'],
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resource_id=message['payload']['snapshot_id'],
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message=message)
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