deb-ceilometer/tests/compute/test_manager.py
Julien Danjou c9247f1069 Remove database access from agent pollsters
Fixes bug #1012242.

Patch stolen from John Tran <jhtran@att.com>

Change-Id: Iab59eb752199e0cd3c8134a29e05b53356a30d75
2012-11-07 18:06:39 +01:00

102 lines
3.8 KiB
Python

# -*- encoding: utf-8 -*-
#
# Copyright © 2012 New Dream Network, LLC (DreamHost)
#
# Author: Doug Hellmann <doug.hellmann@dreamhost.com>
#
# 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.
"""Tests for ceilometer/agent/manager.py
"""
import datetime
import mock
from stevedore import extension
from ceilometer import nova_client
from ceilometer.compute import manager
from ceilometer import counter
from ceilometer import publish
from ceilometer.tests import base
from ceilometer.openstack.common import cfg
def test_load_plugins():
mgr = manager.AgentManager()
assert list(mgr.ext_manager), 'Failed to load any plugins'
return
class TestRunTasks(base.TestCase):
class Pollster:
counters = []
test_data = counter.Counter(
name='test',
type=counter.TYPE_CUMULATIVE,
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'Pollster',
},
)
def get_counters(self, manager, instance):
self.counters.append((manager, instance))
return [self.test_data]
def faux_notify(self, context, msg, topic, secret, source):
self.notifications.append((msg, topic, secret, source))
def setUp(self):
super(TestRunTasks, self).setUp()
self.notifications = []
self.stubs.Set(publish, 'publish_counter', self.faux_notify)
self.mgr = manager.AgentManager()
self.mgr.ext_manager = extension.ExtensionManager('fake',
invoke_on_load=False,
)
self.mgr.ext_manager.extensions = [extension.Extension('test',
None,
None,
self.Pollster(),
),
]
# Set up a fake instance value to be returned by
# instance_get_all_by_host() so when the manager gets the list
# of instances to poll we can control the results.
self.instance = {'name': 'faux',
'OS-EXT-STS:vm_state': 'active'}
stillborn_instance = {'name': 'stillborn',
'OS-EXT-STS:vm_state': 'error'}
self.stubs.Set(nova_client.Client, 'instance_get_all_by_host',
lambda *x: [self.instance, stillborn_instance])
self.mox.ReplayAll()
# Invoke the periodic tasks to call the pollsters.
self.mgr.periodic_tasks(None)
def test_message(self):
self.assertEqual(len(self.Pollster.counters), 2)
assert self.Pollster.counters[0][1] is self.instance
def test_notifications(self):
actual = self.notifications
assert list(actual[0]) == [self.Pollster.test_data,
cfg.CONF.metering_topic,
cfg.CONF.metering_secret,
cfg.CONF.counter_source,
]