2789f144d4
Also change the collector from a manager into a Service to make it easier to access the rpc connection. Change-Id: I1d79abb1db087110d565a9673a48de0502ac2a2b
66 lines
2.3 KiB
Python
66 lines
2.3 KiB
Python
# -*- encoding: utf-8 -*-
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#
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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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from ceilometer.openstack.common import cfg
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from ceilometer.openstack.common import log as logging
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from nova import db
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from ceilometer.compute.manager import AgentManager
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# This module runs inside the nova compute
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# agent, which only configures the "nova" logger.
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# We use a fake logger name in that namespace
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# so that messages from this module appear
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# in the log file.
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LOG = logging.getLogger('nova.ceilometer.notifier')
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# NOTE(dhellmann): The _initialize_config_options is set by the tests
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# to disable the cfg.CONF() call in notify(), since initializing the
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# object in one tests breaks other tests unpredictably when new
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# modules are imported and new options registered.
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#
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# GLOBAL STATE IS A BAD IDEA BUT IMPORT SIDE-EFFECTS ARE WORSE!
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_initialize_config_options = True
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_agent_manager = None
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def initialize_manager():
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global _agent_manager
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# NOTE(dhellmann): See note above.
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if _initialize_config_options:
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cfg.CONF(args=[], project='ceilometer', prog='ceilometer-agent')
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# Instantiate a manager
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_agent_manager = AgentManager()
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def notify(context, message):
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global _agent_manager
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# Initialize the global config object as though it was in the
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# compute agent process so that the ceilometer copy of the rpc
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# modules will know how to communicate.
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if _agent_manager is None:
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initialize_manager()
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if message['event_type'] == 'compute.instance.delete.start':
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instance_id = message['payload']['instance_id']
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LOG.debug('polling final stats for %r', instance_id)
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_agent_manager.poll_instance(
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context,
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db.instance_get_by_uuid(context, instance_id))
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return
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