Load Balancing as a Service (LBaaS) for OpenStack
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# Copyright 2015 Hewlett-Packard Development Company, L.P.
#
# 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 concurrent.futures
from unittest import mock
from oslo_config import cfg
from oslo_config import fixture as oslo_fixture
from taskflow import engines as tf_engines
from octavia.common import base_taskflow
import octavia.tests.unit.base as base
MAX_WORKERS = 1
ENGINE = 'parallel'
_engine_mock = mock.MagicMock()
class TestBaseTaskFlowEngine(base.TestCase):
def setUp(self):
conf = oslo_fixture.Config(cfg.CONF)
conf.config(group="task_flow", max_workers=MAX_WORKERS)
conf.config(group="task_flow", engine=ENGINE)
conf.config(group="task_flow", disable_revert=True)
super().setUp()
@mock.patch('concurrent.futures.ThreadPoolExecutor',
return_value='TESTEXECUTOR')
@mock.patch('taskflow.engines.load',
return_value=_engine_mock)
def test_taskflow_load(self,
mock_tf_engine_load,
mock_ThreadPoolExecutor):
# Test __init__
base_taskflow_engine = base_taskflow.BaseTaskFlowEngine()
concurrent.futures.ThreadPoolExecutor.assert_called_once_with(
max_workers=MAX_WORKERS)
# Test taskflow_load
base_taskflow_engine.taskflow_load('TEST')
tf_engines.load.assert_called_once_with(
'TEST',
engine=ENGINE,
executor='TESTEXECUTOR',
never_resolve=True)
_engine_mock.compile.assert_called_once_with()
_engine_mock.prepare.assert_called_once_with()
class TestTaskFlowServiceController(base.TestCase):
_mock_uuid = '9a2ebc48-cd3e-429e-aa04-e32f5fc5442a'
def setUp(self):
self.conf = oslo_fixture.Config(cfg.CONF)
self.conf.config(group="task_flow", engine='parallel')
self.conf.config(group="task_flow", max_workers=MAX_WORKERS)
self.driver_mock = mock.MagicMock()
self.persistence_mock = mock.MagicMock()
self.jobboard_mock = mock.MagicMock()
self.driver_mock.job_board.return_value = self.jobboard_mock
self.driver_mock.persistence_driver.get_persistence.return_value = (
self.persistence_mock)
self.service_controller = base_taskflow.TaskFlowServiceController(
self.driver_mock)
super().setUp()
@mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=_mock_uuid)
@mock.patch('taskflow.engines.save_factory_details')
def test_run_poster(self, mock_engines, mockuuid):
flow_factory = mock.MagicMock()
flow_factory.__name__ = 'testname'
job_name = 'testname-%s' % self._mock_uuid
job_details = {'store': 'test'}
with mock.patch.object(self.service_controller, '_wait_for_job'
) as wait:
uuid = self.service_controller.run_poster(flow_factory,
**job_details)
save_logbook = self.persistence_mock.__enter__().get_connection(
).save_logbook
save_logbook.assert_called()
self.assertEqual(job_name, save_logbook.call_args[0][0].name)
mock_engines.assert_called()
save_args = mock_engines.call_args
self.assertEqual(job_name, save_args[0][0].name)
self.assertEqual(self._mock_uuid, save_args[0][0].uuid)
self.assertEqual(flow_factory, save_args[0][1])
self.assertEqual(self.persistence_mock.__enter__(),
save_args[1]['backend'])
self.jobboard_mock.__enter__().post.assert_called()
post_args = self.jobboard_mock.__enter__().post.call_args
self.assertEqual(job_name, post_args[0][0])
self.assertEqual(job_details, post_args[1]['details'])
wait.assert_not_called()
self.assertEqual(self._mock_uuid, uuid)
@mock.patch('oslo_utils.uuidutils.generate_uuid', return_value=_mock_uuid)
@mock.patch('taskflow.engines.save_factory_details')
def test_run_poster_wait(self, mock_engines, mockuuid):
flow_factory = mock.MagicMock()
flow_factory.__name__ = 'testname'
job_details = {'store': 'test'}
with mock.patch.object(self.service_controller, '_wait_for_job'
) as wait:
uuid = self.service_controller.run_poster(flow_factory, wait=True,
**job_details)
self.persistence_mock.__enter__().get_connection(
).save_logbook.assert_called()
mock_engines.assert_called()
self.jobboard_mock.__enter__().post.assert_called()
wait.assert_called_once_with(self.jobboard_mock.__enter__())
self.assertEqual(self._mock_uuid, uuid)
@mock.patch('octavia.common.base_taskflow.RedisDynamicLoggingConductor')
@mock.patch('octavia.common.base_taskflow.DynamicLoggingConductor')
def test_run_conductor(self, dynamiccond, rediscond):
self.service_controller.run_conductor("test")
rediscond.assert_called_once_with(
"test", self.jobboard_mock.__enter__(),
persistence=self.persistence_mock.__enter__(),
engine='parallel',
engine_options={
'max_workers': MAX_WORKERS,
})
self.conf.config(group="task_flow",
jobboard_backend_driver='zookeeper_taskflow_driver')
self.service_controller.run_conductor("test2")
dynamiccond.assert_called_once_with(
"test2", self.jobboard_mock.__enter__(),
persistence=self.persistence_mock.__enter__(),
engine='parallel')