b631dc3a7e
This is in preparation for using the openstack.common Service classes. Change-Id: I5ac78202199217387b91685e9d0409ae08cc18e0
79 lines
2.7 KiB
Python
79 lines
2.7 KiB
Python
# -*- encoding: utf-8 -*-
|
|
#
|
|
# Copyright © 2012 eNovance <licensing@enovance.com>
|
|
#
|
|
# 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 nova import manager
|
|
|
|
from ceilometer import extension_manager
|
|
from ceilometer.compute import resources
|
|
from ceilometer.openstack.common import cfg
|
|
from ceilometer.openstack.common import log
|
|
from ceilometer import publish
|
|
|
|
OPTS = [
|
|
cfg.ListOpt('disabled_central_pollsters',
|
|
default=[],
|
|
help='list of central pollsters to disable',
|
|
),
|
|
]
|
|
|
|
cfg.CONF.register_opts(OPTS)
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
PLUGIN_NAMESPACE = 'ceilometer.poll.central'
|
|
|
|
|
|
class AgentManager(manager.Manager):
|
|
def __init__(self, host=None):
|
|
super(AgentManager, self).__init__(host=host)
|
|
self.resources = resources.Resources()
|
|
|
|
def init_host(self):
|
|
self.ext_manager = extension_manager.ActivatedExtensionManager(
|
|
namespace=PLUGIN_NAMESPACE,
|
|
disabled_names=cfg.CONF.disabled_central_pollsters,
|
|
)
|
|
return
|
|
|
|
@staticmethod
|
|
def publish_counters_from_one_pollster(ext, manager, context):
|
|
"""Used to invoke the plugins loaded by the ExtensionManager.
|
|
"""
|
|
try:
|
|
LOG.info('polling %s', ext.name)
|
|
for c in ext.obj.get_counters(manager, context):
|
|
LOG.info('COUNTER: %s', c)
|
|
publish.publish_counter(context=context,
|
|
counter=c,
|
|
topic=cfg.CONF.metering_topic,
|
|
secret=cfg.CONF.metering_secret,
|
|
source=cfg.CONF.counter_source,
|
|
)
|
|
except Exception as err:
|
|
LOG.warning('Continuing after error from %s: %s',
|
|
ext.name, err)
|
|
LOG.exception(err)
|
|
|
|
def periodic_tasks(self, context, raise_on_error=False):
|
|
"""Tasks to be run at a periodic interval."""
|
|
self.ext_manager.map(self.publish_counters_from_one_pollster,
|
|
manager=self,
|
|
context=context,
|
|
)
|
|
return
|