aodh/ceilometer/tests/test_collector.py
Doug Hellmann e41b259a1e Drop use of 'oslo' namespace package.
The Oslo libraries have moved all of their code out of the 'oslo'
namespace package into per-library packages. The namespace package was
retained during kilo for backwards compatibility, but will be removed by
the liberty-2 milestone. This change removes the use of the namespace
package, replacing it with the new package names.

The patches in the libraries will be put on hold until application
patches have landed, or L2, whichever comes first. At that point, new
versions of the libraries without namespace packages will be released as
a major version update.

Please merge this patch, or an equivalent, before L2 to avoid problems
with those library releases.

Blueprint: remove-namespace-packages
https://blueprints.launchpad.net/oslo-incubator/+spec/remove-namespace-packages

Change-Id: I2eeef93ee2e61a721c69f62add819f93f62f077d
2015-04-28 16:22:05 +00:00

305 lines
12 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.
import contextlib
import socket
import mock
import msgpack
from oslo_config import fixture as fixture_config
from oslo_context import context
import oslo_messaging
from oslo_utils import timeutils
from oslotest import mockpatch
from stevedore import extension
from ceilometer import collector
from ceilometer import dispatcher
from ceilometer import messaging
from ceilometer.publisher import utils
from ceilometer import sample
from ceilometer.tests import base as tests_base
class FakeException(Exception):
pass
class FakeConnection(object):
def create_worker(self, topic, proxy, pool_name):
pass
class TestCollector(tests_base.BaseTestCase):
def setUp(self):
super(TestCollector, self).setUp()
self.CONF = self.useFixture(fixture_config.Config()).conf
self.CONF.import_opt("connection", "oslo_db.options", group="database")
self.CONF.set_override("connection", "log://", group='database')
self.CONF.set_override('telemetry_secret', 'not-so-secret',
group='publisher')
self._setup_messaging()
self.counter = sample.Sample(
name='foobar',
type='bad',
unit='F',
volume=1,
user_id='jd',
project_id='ceilometer',
resource_id='cat',
timestamp=timeutils.utcnow().isoformat(),
resource_metadata={},
).as_dict()
self.utf8_msg = utils.meter_message_from_counter(
sample.Sample(
name=u'test',
type=sample.TYPE_CUMULATIVE,
unit=u'',
volume=1,
user_id=u'test',
project_id=u'test',
resource_id=u'test_run_tasks',
timestamp=timeutils.utcnow().isoformat(),
resource_metadata={u'name': [([u'TestPublish'])]},
source=u'testsource',
),
'not-so-secret')
self.srv = collector.CollectorService()
self.useFixture(mockpatch.PatchObject(
self.srv.tg, 'add_thread',
side_effect=self._dummy_thread_group_add_thread))
@staticmethod
def _dummy_thread_group_add_thread(method):
method()
def _setup_messaging(self, enabled=True):
if enabled:
self.setup_messaging(self.CONF)
else:
self.useFixture(mockpatch.Patch(
'ceilometer.messaging.get_transport',
return_value=None))
def _setup_fake_dispatcher(self):
plugin = mock.MagicMock()
fake_dispatcher = extension.ExtensionManager.make_test_instance([
extension.Extension('test', None, None, plugin,),
], propagate_map_exceptions=True)
self.useFixture(mockpatch.Patch(
'ceilometer.dispatcher.load_dispatcher_manager',
return_value=fake_dispatcher))
return plugin
def _make_fake_socket(self, sample):
def recvfrom(size):
# Make the loop stop
self.srv.stop()
return msgpack.dumps(sample), ('127.0.0.1', 12345)
sock = mock.Mock()
sock.recvfrom = recvfrom
return sock
def _verify_udp_socket(self, udp_socket):
conf = self.CONF.collector
udp_socket.setsockopt.assert_called_once_with(socket.SOL_SOCKET,
socket.SO_REUSEADDR, 1)
udp_socket.bind.assert_called_once_with((conf.udp_address,
conf.udp_port))
def test_record_metering_data(self):
mock_dispatcher = self._setup_fake_dispatcher()
self.srv.dispatcher_manager = dispatcher.load_dispatcher_manager()
self.srv.record_metering_data(None, self.counter)
mock_dispatcher.record_metering_data.assert_called_once_with(
data=self.counter)
def test_udp_receive_base(self):
self._setup_messaging(False)
mock_dispatcher = self._setup_fake_dispatcher()
self.counter['source'] = 'mysource'
self.counter['counter_name'] = self.counter['name']
self.counter['counter_volume'] = self.counter['volume']
self.counter['counter_type'] = self.counter['type']
self.counter['counter_unit'] = self.counter['unit']
udp_socket = self._make_fake_socket(self.counter)
with mock.patch('socket.socket') as mock_socket:
mock_socket.return_value = udp_socket
self.srv.start()
mock_socket.assert_called_with(socket.AF_INET, socket.SOCK_DGRAM)
self._verify_udp_socket(udp_socket)
mock_dispatcher.record_metering_data.assert_called_once_with(
self.counter)
def test_udp_socket_ipv6(self):
self._setup_messaging(False)
self.CONF.set_override('udp_address', '::1', group='collector')
self._setup_fake_dispatcher()
sock = self._make_fake_socket('data')
with mock.patch.object(socket, 'socket') as mock_socket:
mock_socket.return_value = sock
self.srv.start()
mock_socket.assert_called_with(socket.AF_INET6, socket.SOCK_DGRAM)
def test_udp_receive_storage_error(self):
self._setup_messaging(False)
mock_dispatcher = self._setup_fake_dispatcher()
mock_dispatcher.record_metering_data.side_effect = self._raise_error
self.counter['source'] = 'mysource'
self.counter['counter_name'] = self.counter['name']
self.counter['counter_volume'] = self.counter['volume']
self.counter['counter_type'] = self.counter['type']
self.counter['counter_unit'] = self.counter['unit']
udp_socket = self._make_fake_socket(self.counter)
with mock.patch('socket.socket', return_value=udp_socket):
self.srv.start()
self._verify_udp_socket(udp_socket)
mock_dispatcher.record_metering_data.assert_called_once_with(
self.counter)
@staticmethod
def _raise_error():
raise Exception
def test_udp_receive_bad_decoding(self):
self._setup_messaging(False)
udp_socket = self._make_fake_socket(self.counter)
with contextlib.nested(
mock.patch('socket.socket', return_value=udp_socket),
mock.patch('msgpack.loads', self._raise_error)):
self.srv.start()
self._verify_udp_socket(udp_socket)
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start')
@mock.patch.object(collector.CollectorService, 'start_udp')
def test_only_udp(self, udp_start, rpc_start):
"""Check that only UDP is started if messaging transport is unset."""
self._setup_messaging(False)
udp_socket = self._make_fake_socket(self.counter)
with mock.patch('socket.socket', return_value=udp_socket):
self.srv.start()
self.assertEqual(0, rpc_start.call_count)
self.assertEqual(1, udp_start.call_count)
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start')
@mock.patch.object(collector.CollectorService, 'start_udp')
def test_only_rpc(self, udp_start, rpc_start):
"""Check that only RPC is started if udp_address is empty."""
self.CONF.set_override('udp_address', '', group='collector')
self.srv.start()
# two calls because two servers (notification and rpc)
self.assertEqual(2, rpc_start.call_count)
self.assertEqual(0, udp_start.call_count)
def test_udp_receive_valid_encoding(self):
self._setup_messaging(False)
mock_dispatcher = self._setup_fake_dispatcher()
self.data_sent = []
with mock.patch('socket.socket',
return_value=self._make_fake_socket(self.utf8_msg)):
self.srv.start()
self.assertTrue(utils.verify_signature(
mock_dispatcher.method_calls[0][1][0],
"not-so-secret"))
@mock.patch('ceilometer.storage.impl_log.LOG')
def test_collector_no_mock(self, mylog):
self.CONF.set_override('udp_address', '', group='collector')
self.srv.start()
mylog.info.side_effect = lambda *args: self.srv.stop()
client = messaging.get_rpc_client(self.transport, version='1.0')
cclient = client.prepare(topic='metering')
cclient.cast(context.RequestContext(),
'record_metering_data', data=[self.utf8_msg])
self.srv.rpc_server.wait()
mylog.info.assert_called_once_with(
'metering data test for test_run_tasks: 1')
def _test_collector_requeue(self, listener):
mock_dispatcher = self._setup_fake_dispatcher()
self.srv.dispatcher_manager = dispatcher.load_dispatcher_manager()
mock_dispatcher.record_metering_data.side_effect = Exception('boom')
mock_dispatcher.record_events.side_effect = Exception('boom')
self.srv.start()
endp = getattr(self.srv, listener).dispatcher.endpoints[0]
ret = endp.sample({}, 'pub_id', 'event', {}, {})
self.assertEqual(oslo_messaging.NotificationResult.REQUEUE,
ret)
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start',
mock.Mock())
@mock.patch.object(collector.CollectorService, 'start_udp', mock.Mock())
def test_collector_sample_requeue(self):
self.CONF.set_override('requeue_sample_on_dispatcher_error', True,
group='collector')
self._test_collector_requeue('sample_listener')
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start',
mock.Mock())
@mock.patch.object(collector.CollectorService, 'start_udp', mock.Mock())
def test_collector_event_requeue(self):
self.CONF.set_override('requeue_event_on_dispatcher_error', True,
group='collector')
self.CONF.set_override('store_events', True, group='notification')
self._test_collector_requeue('event_listener')
def _test_collector_no_requeue(self, listener):
mock_dispatcher = self._setup_fake_dispatcher()
self.srv.dispatcher_manager = dispatcher.load_dispatcher_manager()
mock_dispatcher.record_metering_data.side_effect = (FakeException
('boom'))
mock_dispatcher.record_events.side_effect = (FakeException
('boom'))
self.srv.start()
endp = getattr(self.srv, listener).dispatcher.endpoints[0]
self.assertRaises(FakeException, endp.sample, {}, 'pub_id',
'event', {}, {})
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start',
mock.Mock())
@mock.patch.object(collector.CollectorService, 'start_udp', mock.Mock())
def test_collector_sample_no_requeue(self):
self.CONF.set_override('requeue_sample_on_dispatcher_error', False,
group='collector')
self._test_collector_no_requeue('sample_listener')
@mock.patch.object(oslo_messaging.MessageHandlingServer, 'start',
mock.Mock())
@mock.patch.object(collector.CollectorService, 'start_udp', mock.Mock())
def test_collector_event_no_requeue(self):
self.CONF.set_override('requeue_event_on_dispatcher_error', False,
group='collector')
self.CONF.set_override('store_events', True, group='notification')
self._test_collector_no_requeue('event_listener')