deb-ceilometer/ceilometer/compute/nova_notifier.py
Julien Danjou 51c8a8e55c Update pep8 to 1.3.3
This is needed to update openstack.common

Change-Id: I8410f978f38b3893b71239f97f785086ca5faffe
Signed-off-by: Julien Danjou <julien@danjou.info>
2013-01-15 14:39:29 +01:00

66 lines
2.2 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.
from ceilometer.openstack.common import cfg
from ceilometer.openstack.common import log as logging
from nova import db
from ceilometer.compute.manager import AgentManager
try:
from nova.conductor import api
instance_info_source = api.API()
except ImportError:
from nova import db as instance_info_source
# This module runs inside the nova compute
# agent, which only configures the "nova" logger.
# We use a fake logger name in that namespace
# so that messages from this module appear
# in the log file.
LOG = logging.getLogger('nova.ceilometer.notifier')
_agent_manager = None
def initialize_manager(agent_manager=None):
global _agent_manager
if not agent_manager:
cfg.CONF(args=[], project='ceilometer', prog='ceilometer-agent')
# Instantiate a manager
_agent_manager = AgentManager()
else:
_agent_manager = agent_manager
def notify(context, message):
global _agent_manager
# Initialize the global config object as though it was in the
# compute agent process so that the ceilometer copy of the rpc
# modules will know how to communicate.
if _agent_manager is None:
initialize_manager()
if message['event_type'] == 'compute.instance.delete.start':
instance_id = message['payload']['instance_id']
LOG.debug('polling final stats for %r', instance_id)
_agent_manager.poll_instance(context,
instance_info_source.instance_get_by_uuid(
context,
instance_id))