1ff7a0a4f8
The compute agent was not updated to use the right arguments when the publish module API was changed. Change-Id: I82df05b2a9897a536c09b55600f2b8c3ac05ae9e Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
84 lines
3.1 KiB
Python
84 lines
3.1 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.
|
|
|
|
import pkg_resources
|
|
|
|
from nova import manager
|
|
|
|
from ceilometer.openstack.common import cfg
|
|
from ceilometer.openstack.common import log
|
|
from ceilometer import publish
|
|
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
PLUGIN_NAMESPACE = 'ceilometer.poll.compute'
|
|
|
|
|
|
class AgentManager(manager.Manager):
|
|
|
|
def init_host(self):
|
|
self._load_plugins()
|
|
return
|
|
|
|
def _load_plugins(self):
|
|
self.pollsters = []
|
|
for ep in pkg_resources.iter_entry_points(PLUGIN_NAMESPACE):
|
|
try:
|
|
plugin_class = ep.load()
|
|
plugin = plugin_class()
|
|
# FIXME(dhellmann): Currently assumes all plugins are
|
|
# enabled when they are discovered and
|
|
# importable. Need to add check against global
|
|
# configuration flag and check that asks the plugin if
|
|
# it should be enabled.
|
|
self.pollsters.append((ep.name, plugin))
|
|
LOG.info('loaded pollster %s:%s',
|
|
PLUGIN_NAMESPACE, ep.name)
|
|
except Exception as err:
|
|
LOG.warning('Failed to load pollster %s:%s',
|
|
ep.name, err)
|
|
LOG.exception(err)
|
|
if not self.pollsters:
|
|
LOG.warning('Failed to load any pollsters for %s',
|
|
PLUGIN_NAMESPACE)
|
|
return
|
|
|
|
def poll_instance(self, context, instance):
|
|
"""Poll one instance."""
|
|
for name, pollster in self.pollsters:
|
|
try:
|
|
LOG.info('polling %s', name)
|
|
for c in pollster.get_counters(self, instance):
|
|
LOG.info('COUNTER: %s', c)
|
|
publish.publish_counter(context, c,
|
|
cfg.CONF.metering_topic,
|
|
cfg.CONF.metering_secret,
|
|
)
|
|
except Exception as err:
|
|
LOG.warning('Continuing after error from %s for %s: %s',
|
|
name, instance.name, err)
|
|
LOG.exception(err)
|
|
|
|
def periodic_tasks(self, context, raise_on_error=False):
|
|
"""Tasks to be run at a periodic interval."""
|
|
# FIXME(dhellmann): How do we get a list of instances without
|
|
# talking directly to the database?
|
|
for instance in self.db.instance_get_all_by_host(context, self.host):
|
|
self.poll_instance(context, instance)
|