ceilometer/ceilometer/volume/notifications.py

150 lines
4.7 KiB
Python

#
# 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.
"""
from oslo_config import cfg
import oslo_messaging
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)
class VolumeBase(plugin_base.NotificationBase):
"""Convert volume/snapshot notification into Counters."""
@staticmethod
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]
class VolumeCRUDBase(VolumeBase):
"""Convert volume notifications into Counters."""
event_types = [
'volume.exists',
'volume.create.*',
'volume.delete.*',
'volume.resize.*',
'volume.attach.*',
'volume.detach.*',
'volume.update.*'
]
class VolumeCRUD(VolumeCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class Volume(VolumeCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class VolumeSize(VolumeCRUDBase):
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)
class SnapshotCRUDBase(VolumeBase):
"""Convert snapshot notifications into Counters."""
event_types = [
'snapshot.exists',
'snapshot.create.*',
'snapshot.delete.*',
]
class SnapshotCRUD(SnapshotCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class Snapshot(SnapshotCRUDBase, plugin_base.NonMetricNotificationBase):
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)
class SnapshotSize(SnapshotCRUDBase):
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)