# # Copyright 2012 New Dream Network, LLC (DreamHost) # # Author: Doug Hellmann # # 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 import oslo.messaging from stevedore import extension from ceilometer import collector from ceilometer import dispatcher from ceilometer import messaging from ceilometer.openstack.common import context from ceilometer.openstack.common.fixture import config from ceilometer.openstack.common.fixture import mockpatch from ceilometer.openstack.common import timeutils from ceilometer.publisher import utils from ceilometer import sample from ceilometer.tests import base as tests_base class FakeConnection(): 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(config.Config()).conf self.CONF.import_opt("connection", "ceilometer.openstack.common.db.options", group="database") self.CONF.set_override("connection", "log://", group='database') self.CONF.set_override('metering_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,), ]) 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', return_value=udp_socket): self.srv.start() self._verify_udp_socket(udp_socket) mock_dispatcher.record_metering_data.assert_called_once_with( self.counter) 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() self.assertEqual(1, 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')