aodh/ceilometer/volume/notifications.py
Julien Danjou d06dcc69f5 Enable pep8 H403 checks
What a better thing to do on a Friday afternoon to chill out before the
week-end?

Change-Id: Ie264d2bff02794d80ddbecb95a6b2ff9a3840d44
2013-06-14 17:15:52 +02:00

102 lines
3.2 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Julien Danjou <julien@danjou.info>
#
# 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
from ceilometer import counter
from ceilometer import plugin
OPTS = [
cfg.StrOpt('cinder_control_exchange',
default='cinder',
help="Exchange name for Cinder notifications"),
]
cfg.CONF.register_opts(OPTS)
class _Base(plugin.NotificationBase):
"""Convert volume notifications into Counters
"""
metadata_keys = [
"status",
"display_name",
"volume_type",
"size",
]
@staticmethod
def get_exchange_topics(conf):
"""Return a sequence of ExchangeTopics defining the exchange and
topics to be connected for this plugin.
"""
return [
plugin.ExchangeTopics(
exchange=conf.cinder_control_exchange,
topics=set(topic + ".info"
for topic in conf.notification_topics)),
]
@staticmethod
def get_event_types():
return ['volume.exists',
'volume.create.end',
'volume.delete.start']
class Volume(_Base):
def process_notification(self, message):
return [
counter.Counter(name='volume',
type=counter.TYPE_GAUGE,
unit='volume',
volume=1,
user_id=message['payload']['user_id'],
project_id=message['payload']['tenant_id'],
resource_id=message['payload']['volume_id'],
timestamp=message['timestamp'],
resource_metadata=self.notification_to_metadata(
message),
),
]
class VolumeSize(_Base):
def process_notification(self, message):
return [
counter.Counter(name='volume.size',
type=counter.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'],
timestamp=message['timestamp'],
resource_metadata=self.notification_to_metadata(
message),
),
]