aodh/ceilometer/tests/publisher/test_messaging_publisher.py
gordon chung de0c2944b7 add notifier publisher for events
this allows the ability for deployers to push events to MQ rather
than send data directly to a database. the notifier publisher
supports the same options as the sample publisher.

Change-Id: Ia2cdfe351dad2336bce8519da3e568f226a2593a
Implements: blueprint notification-pipelines
2015-02-02 15:21:46 +00:00

379 lines
15 KiB
Python

#
# Copyright 2012 New Dream Network, LLC (DreamHost)
#
# 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/publisher/messaging.py
"""
import datetime
import uuid
import eventlet
import mock
import oslo.messaging
from oslo_config import fixture as fixture_config
from oslo_context import context
from oslo_utils import netutils
import testscenarios.testcase
from ceilometer.event.storage import models as event
from ceilometer import messaging
from ceilometer.publisher import messaging as msg_publisher
from ceilometer import sample
from ceilometer.tests import base as tests_base
class BasePublisherTestCase(tests_base.BaseTestCase):
test_event_data = [
event.Event(message_id=uuid.uuid4(),
event_type='event_%d' % i,
generated=datetime.datetime.utcnow(),
traits=[])
for i in range(0, 5)
]
test_sample_data = [
sample.Sample(
name='test',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test2',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test2',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
sample.Sample(
name='test3',
type=sample.TYPE_CUMULATIVE,
unit='',
volume=1,
user_id='test',
project_id='test',
resource_id='test_run_tasks',
timestamp=datetime.datetime.utcnow().isoformat(),
resource_metadata={'name': 'TestPublish'},
),
]
def setUp(self):
super(BasePublisherTestCase, self).setUp()
self.CONF = self.useFixture(fixture_config.Config()).conf
self.setup_messaging(self.CONF)
class RpcOnlyPublisherTest(BasePublisherTestCase):
def test_published_no_mock(self):
publisher = msg_publisher.RPCPublisher(
netutils.urlsplit('rpc://'))
endpoint = mock.MagicMock(['record_metering_data'])
collector = messaging.get_rpc_server(
self.transport, self.CONF.publisher_rpc.metering_topic, endpoint)
endpoint.record_metering_data.side_effect = (lambda *args, **kwds:
collector.stop())
collector.start()
eventlet.sleep()
publisher.publish_samples(context.RequestContext(),
self.test_sample_data)
collector.wait()
class Matcher(object):
@staticmethod
def __eq__(data):
for i, sample_item in enumerate(data):
if (sample_item['counter_name'] !=
self.test_sample_data[i].name):
return False
return True
endpoint.record_metering_data.assert_called_once_with(
mock.ANY, data=Matcher())
def test_publish_target(self):
publisher = msg_publisher.RPCPublisher(
netutils.urlsplit('rpc://?target=custom_procedure_call'))
cast_context = mock.MagicMock()
with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
prepare.return_value = cast_context
publisher.publish_samples(mock.MagicMock(),
self.test_sample_data)
prepare.assert_called_once_with(
topic=self.CONF.publisher_rpc.metering_topic)
cast_context.cast.assert_called_once_with(
mock.ANY, 'custom_procedure_call', data=mock.ANY)
def test_published_with_per_meter_topic(self):
publisher = msg_publisher.RPCPublisher(
netutils.urlsplit('rpc://?per_meter_topic=1'))
with mock.patch.object(publisher.rpc_client, 'prepare') as prepare:
publisher.publish_samples(mock.MagicMock(),
self.test_sample_data)
class MeterGroupMatcher(object):
def __eq__(self, meters):
return len(set(meter['counter_name']
for meter in meters)) == 1
topic = self.CONF.publisher_rpc.metering_topic
expected = [mock.call(topic=topic),
mock.call().cast(mock.ANY, 'record_metering_data',
data=mock.ANY),
mock.call(topic=topic + '.test'),
mock.call().cast(mock.ANY, 'record_metering_data',
data=MeterGroupMatcher()),
mock.call(topic=topic + '.test2'),
mock.call().cast(mock.ANY, 'record_metering_data',
data=MeterGroupMatcher()),
mock.call(topic=topic + '.test3'),
mock.call().cast(mock.ANY, 'record_metering_data',
data=MeterGroupMatcher())]
self.assertEqual(expected, prepare.mock_calls)
class TestPublisher(testscenarios.testcase.WithScenarios,
BasePublisherTestCase):
scenarios = [
('notifier',
dict(protocol="notifier",
publisher_cls=msg_publisher.SampleNotifierPublisher,
test_data=BasePublisherTestCase.test_sample_data,
pub_func='publish_samples', attr='source')),
('event_notifier',
dict(protocol="notifier",
publisher_cls=msg_publisher.EventNotifierPublisher,
test_data=BasePublisherTestCase.test_event_data,
pub_func='publish_events', attr='event_type')),
('rpc', dict(protocol="rpc",
publisher_cls=msg_publisher.RPCPublisher,
test_data=BasePublisherTestCase.test_sample_data,
pub_func='publish_samples', attr='source')),
]
def setUp(self):
super(TestPublisher, self).setUp()
self.topic = (self.CONF.publisher_notifier.event_topic
if self.pub_func == 'publish_events' else
self.CONF.publisher_rpc.metering_topic)
def test_published_concurrency(self):
"""Test concurrent access to the local queue of the rpc publisher."""
publisher = self.publisher_cls(
netutils.urlsplit('%s://' % self.protocol))
with mock.patch.object(publisher, '_send') as fake_send:
def fake_send_wait(ctxt, topic, meters):
fake_send.side_effect = mock.Mock()
# Sleep to simulate concurrency and allow other threads to work
eventlet.sleep(0)
fake_send.side_effect = fake_send_wait
job1 = eventlet.spawn(getattr(publisher, self.pub_func),
mock.MagicMock(), self.test_data)
job2 = eventlet.spawn(getattr(publisher, self.pub_func),
mock.MagicMock(), self.test_data)
job1.wait()
job2.wait()
self.assertEqual('default', publisher.policy)
self.assertEqual(2, len(fake_send.mock_calls))
self.assertEqual(0, len(publisher.local_queue))
@mock.patch('ceilometer.publisher.messaging.LOG')
def test_published_with_no_policy(self, mylog):
publisher = self.publisher_cls(
netutils.urlsplit('%s://' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
self.assertRaises(
oslo.messaging.MessageDeliveryFailure,
getattr(publisher, self.pub_func),
mock.MagicMock(), self.test_data)
self.assertTrue(mylog.info.called)
self.assertEqual('default', publisher.policy)
self.assertEqual(0, len(publisher.local_queue))
fake_send.assert_called_once_with(
mock.ANY, self.topic, mock.ANY)
@mock.patch('ceilometer.publisher.messaging.LOG')
def test_published_with_policy_block(self, mylog):
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=default' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
self.assertRaises(
oslo.messaging.MessageDeliveryFailure,
getattr(publisher, self.pub_func),
mock.MagicMock(), self.test_data)
self.assertTrue(mylog.info.called)
self.assertEqual(0, len(publisher.local_queue))
fake_send.assert_called_once_with(
mock.ANY, self.topic, mock.ANY)
@mock.patch('ceilometer.publisher.messaging.LOG')
def test_published_with_policy_incorrect(self, mylog):
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=notexist' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
self.assertRaises(
oslo.messaging.MessageDeliveryFailure,
getattr(publisher, self.pub_func),
mock.MagicMock(), self.test_data)
self.assertTrue(mylog.warn.called)
self.assertEqual('default', publisher.policy)
self.assertEqual(0, len(publisher.local_queue))
fake_send.assert_called_once_with(
mock.ANY, self.topic, mock.ANY)
def test_published_with_policy_drop_and_rpc_down(self):
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=drop' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(0, len(publisher.local_queue))
fake_send.assert_called_once_with(
mock.ANY, self.topic, mock.ANY)
def test_published_with_policy_queue_and_rpc_down(self):
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=queue' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(1, len(publisher.local_queue))
fake_send.assert_called_once_with(
mock.ANY, self.topic, mock.ANY)
def test_published_with_policy_queue_and_rpc_down_up(self):
self.rpc_unreachable = True
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=queue' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(1, len(publisher.local_queue))
fake_send.side_effect = mock.MagicMock()
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(0, len(publisher.local_queue))
topic = self.topic
expected = [mock.call(mock.ANY, topic, mock.ANY),
mock.call(mock.ANY, topic, mock.ANY),
mock.call(mock.ANY, topic, mock.ANY)]
self.assertEqual(expected, fake_send.mock_calls)
def test_published_with_policy_sized_queue_and_rpc_down(self):
publisher = self.publisher_cls(netutils.urlsplit(
'%s://?policy=queue&max_queue_length=3' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
for i in range(0, 5):
for s in self.test_data:
setattr(s, self.attr, 'test-%d' % i)
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(3, len(publisher.local_queue))
self.assertEqual(
'test-2',
publisher.local_queue[0][2][0][self.attr]
)
self.assertEqual(
'test-3',
publisher.local_queue[1][2][0][self.attr]
)
self.assertEqual(
'test-4',
publisher.local_queue[2][2][0][self.attr]
)
def test_published_with_policy_default_sized_queue_and_rpc_down(self):
publisher = self.publisher_cls(
netutils.urlsplit('%s://?policy=queue' % self.protocol))
side_effect = oslo.messaging.MessageDeliveryFailure()
with mock.patch.object(publisher, '_send') as fake_send:
fake_send.side_effect = side_effect
for i in range(0, 2000):
for s in self.test_data:
setattr(s, self.attr, 'test-%d' % i)
getattr(publisher, self.pub_func)(mock.MagicMock(),
self.test_data)
self.assertEqual(1024, len(publisher.local_queue))
self.assertEqual(
'test-976',
publisher.local_queue[0][2][0][self.attr]
)
self.assertEqual(
'test-1999',
publisher.local_queue[1023][2][0][self.attr]
)