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# -*- encoding: utf-8 -*-
#
# Copyright © 2013 eNovance <licensing@enovance.com>
#
# Authors: Mehdi Abaakouk <mehdi.abaakouk@enovance.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.
import uuid
from ceilometerclient.v2 import alarms
import mock
from ceilometer.alarm import rpc as rpc_alarm
from ceilometer import messaging
from ceilometer.openstack.common.fixture import mockpatch
from ceilometer.openstack.common import test
from ceilometer.openstack.common import timeutils
from ceilometer.storage import models
class TestRPCAlarmNotifier(test.BaseTestCase):
def fake_cast(self, context, method, **args):
self.notified.append((method, args))
def setUp(self):
super(TestRPCAlarmNotifier, self).setUp()
messaging.setup('fake://')
self.addCleanup(messaging.cleanup)
self.notified = []
self.notifier = rpc_alarm.RPCAlarmNotifier()
self.useFixture(mockpatch.PatchObject(
self.notifier.client, 'cast',
side_effect=self.fake_cast))
self.alarms = [
alarms.Alarm(None, info={
'name': 'instance_running_hot',
'meter_name': 'cpu_util',
'comparison_operator': 'gt',
'threshold': 80.0,
'evaluation_periods': 5,
'statistic': 'avg',
'state': 'ok',
'ok_actions': ['http://host:8080/path'],
'user_id': 'foobar',
'project_id': 'snafu',
'period': 60,
'alarm_id': str(uuid.uuid4()),
'matching_metadata':{'resource_id':
'my_instance'}
}),
alarms.Alarm(None, info={
'name': 'group_running_idle',
'meter_name': 'cpu_util',
'comparison_operator': 'le',
'threshold': 10.0,
'statistic': 'max',
'evaluation_periods': 4,
'state': 'insufficient data',
'insufficient_data_actions': ['http://other_host/path'],
'user_id': 'foobar',
'project_id': 'snafu',
'period': 300,
'alarm_id': str(uuid.uuid4()),
'matching_metadata':{'metadata.user_metadata.AS':
'my_group'}
}),
]
def test_rpc_target(self):
topic = self.notifier.client.target.topic
self.assertEqual('alarm_notifier', topic)
def test_notify_alarm(self):
previous = ['alarm', 'ok']
for i, a in enumerate(self.alarms):
self.notifier.notify(a, previous[i], "what? %d" % i,
{'fire': '%d' % i})
self.assertEqual(2, len(self.notified))
for i, a in enumerate(self.alarms):
actions = getattr(a, models.Alarm.ALARM_ACTIONS_MAP[a.state])
self.assertEqual('notify_alarm', self.notified[i][0])
self.assertEqual(self.alarms[i].alarm_id,
self.notified[i][1]["data"]["alarm_id"])
self.assertEqual(actions, self.notified[i][1]["data"]["actions"])
self.assertEqual(previous[i],
self.notified[i][1]["data"]["previous"])
self.assertEqual(self.alarms[i].state,
self.notified[i][1]["data"]["current"])
self.assertEqual("what? %d" % i,
self.notified[i][1]["data"]["reason"])
self.assertEqual({'fire': '%d' % i},
self.notified[i][1]["data"]["reason_data"])
def test_notify_non_string_reason(self):
self.notifier.notify(self.alarms[0], 'ok', 42, {})
reason = self.notified[0][1]['data']['reason']
self.assertIsInstance(reason, basestring)
def test_notify_no_actions(self):
alarm = alarms.Alarm(None, info={
'name': 'instance_running_hot',
'meter_name': 'cpu_util',
'comparison_operator': 'gt',
'threshold': 80.0,
'evaluation_periods': 5,
'statistic': 'avg',
'state': 'ok',
'user_id': 'foobar',
'project_id': 'snafu',
'period': 60,
'ok_actions': [],
'alarm_id': str(uuid.uuid4()),
'matching_metadata': {'resource_id':
'my_instance'}
})
self.notifier.notify(alarm, 'alarm', "what?", {})
self.assertEqual(0, len(self.notified))
class TestRPCAlarmPartitionCoordination(test.BaseTestCase):
def fake_fanout_cast(self, context, method, **args):
self.notified.append((method, args))
def fake_prepare(self, fanout):
self.assertTrue(fanout)
cctxt = mock.Mock()
cctxt.cast.side_effect = self.fake_fanout_cast
return cctxt
def setUp(self):
super(TestRPCAlarmPartitionCoordination, self).setUp()
messaging.setup('fake://')
self.addCleanup(messaging.cleanup)
self.notified = []
self.ordination = rpc_alarm.RPCAlarmPartitionCoordination()
self.useFixture(mockpatch.PatchObject(
self.ordination.client, 'prepare',
side_effect=self.fake_prepare))
self.alarms = [mock.MagicMock(), mock.MagicMock()]
def test_ordination_presence(self):
id = uuid.uuid4()
priority = float(timeutils.utcnow().strftime('%s.%f'))
self.ordination.presence(id, priority)
method, args = self.notified[0]
self.assertEqual(id, args['data']['uuid'])
self.assertEqual(priority, args['data']['priority'])
self.assertEqual('presence', method)
def test_ordination_assign(self):
id = uuid.uuid4()
self.ordination.assign(id, self.alarms)
method, args = self.notified[0]
self.assertEqual(id, args['data']['uuid'])
self.assertEqual(2, len(args['data']['alarms']))
self.assertEqual('assign', method)
def test_ordination_allocate(self):
id = uuid.uuid4()
self.ordination.allocate(id, self.alarms)
method, args = self.notified[0]
self.assertEqual(id, args['data']['uuid'])
self.assertEqual(2, len(args['data']['alarms']))
self.assertEqual('allocate', method)
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