a10773e413
Add a dictionary as a data cache for the pollsters, creating it outside of the loop where they are invoked and passing it to them. Future changesets will include changes to the pollsters to put data in the cache. blueprint one-meter-per-plugin Change-Id: Ie65526dfe65a8880ad8683b62fae62f8e7f9e69b Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
# -*- encoding: utf-8 -*-
|
|
#
|
|
# Copyright © 2012-2013 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 oslo.config import cfg
|
|
from stevedore import extension
|
|
|
|
from ceilometer import agent
|
|
from ceilometer.compute.virt import inspector as virt_inspector
|
|
from ceilometer import nova_client
|
|
from ceilometer.openstack.common import log
|
|
from ceilometer.openstack.common import service as os_service
|
|
from ceilometer.openstack.common.rpc import service as rpc_service
|
|
from ceilometer import service
|
|
|
|
LOG = log.getLogger(__name__)
|
|
|
|
|
|
class PollingTask(agent.PollingTask):
|
|
def poll_and_publish_instances(self, instances):
|
|
with self.publish_context as publisher:
|
|
for instance in instances:
|
|
if getattr(instance, 'OS-EXT-STS:vm_state', None) != 'error':
|
|
# TODO(yjiang5) passing counters to get_counters to avoid
|
|
# polling all counters one by one
|
|
cache = {}
|
|
for pollster in self.pollsters:
|
|
try:
|
|
LOG.info("Polling pollster %s", pollster.name)
|
|
publisher(list(pollster.obj.get_counters(
|
|
self.manager,
|
|
cache,
|
|
instance,
|
|
)))
|
|
except Exception as err:
|
|
LOG.warning('Continue after error from %s: %s',
|
|
pollster.name, err)
|
|
LOG.exception(err)
|
|
|
|
def poll_and_publish(self):
|
|
self.poll_and_publish_instances(
|
|
self.manager.nv.instance_get_all_by_host(cfg.CONF.host))
|
|
|
|
|
|
class AgentManager(agent.AgentManager):
|
|
|
|
def __init__(self):
|
|
super(AgentManager, self).__init__(
|
|
extension.ExtensionManager(
|
|
namespace='ceilometer.poll.compute',
|
|
invoke_on_load=True,
|
|
),
|
|
)
|
|
self._inspector = virt_inspector.get_hypervisor_inspector()
|
|
self.nv = nova_client.Client()
|
|
|
|
def create_polling_task(self):
|
|
return PollingTask(self)
|
|
|
|
def setup_notifier_task(self):
|
|
"""For nova notifier usage."""
|
|
task = PollingTask(self)
|
|
for pollster in self.pollster_manager.extensions:
|
|
task.add(
|
|
pollster,
|
|
self.pipeline_manager.pipelines)
|
|
self.notifier_task = task
|
|
|
|
def poll_instance(self, context, instance):
|
|
"""Poll one instance."""
|
|
self.notifier_task.poll_and_publish_instances([instance])
|
|
|
|
@property
|
|
def inspector(self):
|
|
return self._inspector
|
|
|
|
|
|
def agent_compute():
|
|
service.prepare_service()
|
|
os_service.launch(rpc_service.Service(cfg.CONF.host,
|
|
'ceilometer.agent.compute',
|
|
AgentManager())).wait()
|