228 lines
9.6 KiB
Python
228 lines
9.6 KiB
Python
# Copyright 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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import mock
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from oslo_config import cfg
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from oslo_config import fixture as oslo_fixture
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from taskflow.patterns import linear_flow as flow
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from octavia.common import constants
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from octavia.common import exceptions
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from octavia.controller.worker.v1.flows import load_balancer_flows
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import octavia.tests.unit.base as base
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# NOTE: We patch the get_network_driver for all the calls so we don't
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# inadvertently make real calls.
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@mock.patch('octavia.common.utils.get_network_driver')
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class TestLoadBalancerFlows(base.TestCase):
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def setUp(self):
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super(TestLoadBalancerFlows, self).setUp()
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self.conf = self.useFixture(oslo_fixture.Config(cfg.CONF))
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self.conf.config(
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group="controller_worker",
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amphora_driver='amphora_haproxy_rest_driver')
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self.conf.config(group="nova", enable_anti_affinity=False)
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self.LBFlow = load_balancer_flows.LoadBalancerFlows()
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def test_get_create_load_balancer_flow(self, mock_get_net_driver):
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amp_flow = self.LBFlow.get_create_load_balancer_flow(
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constants.TOPOLOGY_SINGLE)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.AMPHORA, amp_flow.provides)
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self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides)
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def test_get_create_active_standby_load_balancer_flow(
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self, mock_get_net_driver):
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amp_flow = self.LBFlow.get_create_load_balancer_flow(
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constants.TOPOLOGY_ACTIVE_STANDBY)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.AMPHORA, amp_flow.provides)
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self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides)
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def test_get_create_anti_affinity_active_standby_load_balancer_flow(
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self, mock_get_net_driver):
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self.conf.config(group="nova", enable_anti_affinity=True)
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self._LBFlow = load_balancer_flows.LoadBalancerFlows()
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amp_flow = self._LBFlow.get_create_load_balancer_flow(
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constants.TOPOLOGY_ACTIVE_STANDBY)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.SERVER_GROUP_ID, amp_flow.provides)
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self.assertIn(constants.AMPHORA, amp_flow.provides)
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self.assertIn(constants.AMPHORA_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_ID, amp_flow.provides)
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self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides)
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self.conf.config(group="nova", enable_anti_affinity=False)
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def test_get_create_bogus_topology_load_balancer_flow(
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self, mock_get_net_driver):
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self.assertRaises(exceptions.InvalidTopology,
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self.LBFlow.get_create_load_balancer_flow,
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'BOGUS')
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def test_get_delete_load_balancer_flow(self, mock_get_net_driver):
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lb_mock = mock.Mock()
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listener_mock = mock.Mock()
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listener_mock.id = '123'
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lb_mock.listeners = [listener_mock]
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lb_flow, store = self.LBFlow.get_delete_load_balancer_flow(lb_mock)
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self.assertIsInstance(lb_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER, lb_flow.requires)
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self.assertIn(constants.SERVER_GROUP_ID, lb_flow.requires)
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self.assertEqual(0, len(lb_flow.provides))
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self.assertEqual(2, len(lb_flow.requires))
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def test_get_delete_load_balancer_flow_cascade(self, mock_get_net_driver):
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lb_mock = mock.Mock()
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listener_mock = mock.Mock()
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listener_mock.id = '123'
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lb_mock.listeners = [listener_mock]
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pool_mock = mock.Mock()
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pool_mock.id = '345'
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lb_mock.pools = [pool_mock]
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l7_mock = mock.Mock()
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l7_mock.id = '678'
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listener_mock.l7policies = [l7_mock]
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lb_flow, store = self.LBFlow.get_cascade_delete_load_balancer_flow(
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lb_mock)
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self.assertIsInstance(lb_flow, flow.Flow)
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self.assertEqual({'listener_123': listener_mock,
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'pool345': pool_mock}, store)
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self.assertIn(constants.LOADBALANCER, lb_flow.requires)
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self.assertEqual(1, len(lb_flow.provides))
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self.assertEqual(4, len(lb_flow.requires))
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def test_get_update_load_balancer_flow(self, mock_get_net_driver):
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lb_flow = self.LBFlow.get_update_load_balancer_flow()
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self.assertIsInstance(lb_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER, lb_flow.requires)
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self.assertEqual(0, len(lb_flow.provides))
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self.assertEqual(3, len(lb_flow.requires))
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def test_get_post_lb_amp_association_flow(self, mock_get_net_driver):
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amp_flow = self.LBFlow.get_post_lb_amp_association_flow(
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'123', constants.TOPOLOGY_SINGLE)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
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self.assertIn(constants.LOADBALANCER, amp_flow.provides)
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self.assertEqual(1, len(amp_flow.provides))
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self.assertEqual(2, len(amp_flow.requires))
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# Test Active/Standby path
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amp_flow = self.LBFlow.get_post_lb_amp_association_flow(
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'123', constants.TOPOLOGY_ACTIVE_STANDBY)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
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self.assertIn(constants.LOADBALANCER, amp_flow.provides)
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self.assertEqual(2, len(amp_flow.provides))
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self.assertEqual(2, len(amp_flow.requires))
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# Test mark_active=False
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amp_flow = self.LBFlow.get_post_lb_amp_association_flow(
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'123', constants.TOPOLOGY_ACTIVE_STANDBY)
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self.assertIsInstance(amp_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires)
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self.assertIn(constants.UPDATE_DICT, amp_flow.requires)
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self.assertIn(constants.LOADBALANCER, amp_flow.provides)
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self.assertEqual(2, len(amp_flow.provides))
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self.assertEqual(2, len(amp_flow.requires))
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def test_get_create_load_balancer_flows_single_listeners(
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self, mock_get_net_driver):
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create_flow = (
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self.LBFlow.get_create_load_balancer_flow(
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constants.TOPOLOGY_SINGLE, True
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)
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)
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self.assertIsInstance(create_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, create_flow.requires)
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self.assertIn(constants.UPDATE_DICT, create_flow.requires)
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self.assertIn(constants.LISTENERS, create_flow.provides)
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self.assertIn(constants.AMPHORA, create_flow.provides)
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self.assertIn(constants.AMPHORA_ID, create_flow.provides)
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self.assertIn(constants.COMPUTE_ID, create_flow.provides)
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self.assertIn(constants.COMPUTE_OBJ, create_flow.provides)
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self.assertIn(constants.LOADBALANCER, create_flow.provides)
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self.assertIn(constants.DELTAS, create_flow.provides)
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self.assertIn(constants.ADDED_PORTS, create_flow.provides)
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self.assertIn(constants.VIP, create_flow.provides)
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self.assertIn(constants.AMP_DATA, create_flow.provides)
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self.assertIn(constants.AMPHORA_NETWORK_CONFIG, create_flow.provides)
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self.assertEqual(4, len(create_flow.requires))
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self.assertEqual(13, len(create_flow.provides),
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create_flow.provides)
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def test_get_create_load_balancer_flows_active_standby_listeners(
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self, mock_get_net_driver):
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create_flow = (
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self.LBFlow.get_create_load_balancer_flow(
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constants.TOPOLOGY_ACTIVE_STANDBY, True
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)
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)
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self.assertIsInstance(create_flow, flow.Flow)
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self.assertIn(constants.LOADBALANCER_ID, create_flow.requires)
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self.assertIn(constants.UPDATE_DICT, create_flow.requires)
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self.assertIn(constants.LISTENERS, create_flow.provides)
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self.assertIn(constants.AMPHORA, create_flow.provides)
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self.assertIn(constants.AMPHORA_ID, create_flow.provides)
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self.assertIn(constants.COMPUTE_ID, create_flow.provides)
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self.assertIn(constants.COMPUTE_OBJ, create_flow.provides)
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self.assertIn(constants.LOADBALANCER, create_flow.provides)
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self.assertIn(constants.DELTAS, create_flow.provides)
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self.assertIn(constants.ADDED_PORTS, create_flow.provides)
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self.assertIn(constants.VIP, create_flow.provides)
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self.assertIn(constants.AMP_DATA, create_flow.provides)
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self.assertIn(constants.AMPHORAE_NETWORK_CONFIG,
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create_flow.provides)
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self.assertEqual(4, len(create_flow.requires))
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self.assertEqual(14, len(create_flow.provides),
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create_flow.provides)
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