# 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 mock from oslo_config import cfg from oslo_config import fixture as oslo_fixture from taskflow.patterns import linear_flow as flow from octavia.common import constants from octavia.common import exceptions from octavia.controller.worker.v1.flows import load_balancer_flows import octavia.tests.unit.base as base # NOTE: We patch the get_network_driver for all the calls so we don't # inadvertently make real calls. @mock.patch('octavia.common.utils.get_network_driver') class TestLoadBalancerFlows(base.TestCase): def setUp(self): super(TestLoadBalancerFlows, self).setUp() self.conf = self.useFixture(oslo_fixture.Config(cfg.CONF)) self.conf.config( group="controller_worker", amphora_driver='amphora_haproxy_rest_driver') self.conf.config(group="nova", enable_anti_affinity=False) self.LBFlow = load_balancer_flows.LoadBalancerFlows() def test_get_create_load_balancer_flow(self, mock_get_net_driver): amp_flow = self.LBFlow.get_create_load_balancer_flow( constants.TOPOLOGY_SINGLE) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.AMPHORA, amp_flow.provides) self.assertIn(constants.AMPHORA_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides) def test_get_create_active_standby_load_balancer_flow( self, mock_get_net_driver): amp_flow = self.LBFlow.get_create_load_balancer_flow( constants.TOPOLOGY_ACTIVE_STANDBY) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.AMPHORA, amp_flow.provides) self.assertIn(constants.AMPHORA_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides) def test_get_create_anti_affinity_active_standby_load_balancer_flow( self, mock_get_net_driver): self.conf.config(group="nova", enable_anti_affinity=True) self._LBFlow = load_balancer_flows.LoadBalancerFlows() amp_flow = self._LBFlow.get_create_load_balancer_flow( constants.TOPOLOGY_ACTIVE_STANDBY) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.SERVER_GROUP_ID, amp_flow.provides) self.assertIn(constants.AMPHORA, amp_flow.provides) self.assertIn(constants.AMPHORA_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_ID, amp_flow.provides) self.assertIn(constants.COMPUTE_OBJ, amp_flow.provides) self.conf.config(group="nova", enable_anti_affinity=False) def test_get_create_bogus_topology_load_balancer_flow( self, mock_get_net_driver): self.assertRaises(exceptions.InvalidTopology, self.LBFlow.get_create_load_balancer_flow, 'BOGUS') def test_get_delete_load_balancer_flow(self, mock_get_net_driver): lb_mock = mock.Mock() listener_mock = mock.Mock() listener_mock.id = '123' lb_mock.listeners = [listener_mock] lb_flow, store = self.LBFlow.get_delete_load_balancer_flow(lb_mock) self.assertIsInstance(lb_flow, flow.Flow) self.assertIn(constants.LOADBALANCER, lb_flow.requires) self.assertIn(constants.SERVER_GROUP_ID, lb_flow.requires) self.assertEqual(0, len(lb_flow.provides)) self.assertEqual(2, len(lb_flow.requires)) def test_get_delete_load_balancer_flow_cascade(self, mock_get_net_driver): lb_mock = mock.Mock() listener_mock = mock.Mock() listener_mock.id = '123' lb_mock.listeners = [listener_mock] pool_mock = mock.Mock() pool_mock.id = '345' lb_mock.pools = [pool_mock] l7_mock = mock.Mock() l7_mock.id = '678' listener_mock.l7policies = [l7_mock] lb_flow, store = self.LBFlow.get_cascade_delete_load_balancer_flow( lb_mock) self.assertIsInstance(lb_flow, flow.Flow) self.assertEqual({'listener_123': listener_mock, 'pool345': pool_mock}, store) self.assertIn(constants.LOADBALANCER, lb_flow.requires) self.assertEqual(1, len(lb_flow.provides)) self.assertEqual(4, len(lb_flow.requires)) def test_get_update_load_balancer_flow(self, mock_get_net_driver): lb_flow = self.LBFlow.get_update_load_balancer_flow() self.assertIsInstance(lb_flow, flow.Flow) self.assertIn(constants.LOADBALANCER, lb_flow.requires) self.assertEqual(0, len(lb_flow.provides)) self.assertEqual(3, len(lb_flow.requires)) def test_get_post_lb_amp_association_flow(self, mock_get_net_driver): amp_flow = self.LBFlow.get_post_lb_amp_association_flow( '123', constants.TOPOLOGY_SINGLE) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.UPDATE_DICT, amp_flow.requires) self.assertIn(constants.LOADBALANCER, amp_flow.provides) self.assertEqual(1, len(amp_flow.provides)) self.assertEqual(2, len(amp_flow.requires)) # Test Active/Standby path amp_flow = self.LBFlow.get_post_lb_amp_association_flow( '123', constants.TOPOLOGY_ACTIVE_STANDBY) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.UPDATE_DICT, amp_flow.requires) self.assertIn(constants.LOADBALANCER, amp_flow.provides) self.assertEqual(2, len(amp_flow.provides)) self.assertEqual(2, len(amp_flow.requires)) # Test mark_active=False amp_flow = self.LBFlow.get_post_lb_amp_association_flow( '123', constants.TOPOLOGY_ACTIVE_STANDBY) self.assertIsInstance(amp_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, amp_flow.requires) self.assertIn(constants.UPDATE_DICT, amp_flow.requires) self.assertIn(constants.LOADBALANCER, amp_flow.provides) self.assertEqual(2, len(amp_flow.provides)) self.assertEqual(2, len(amp_flow.requires)) def test_get_create_load_balancer_flows_single_listeners( self, mock_get_net_driver): create_flow = ( self.LBFlow.get_create_load_balancer_flow( constants.TOPOLOGY_SINGLE, True ) ) self.assertIsInstance(create_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, create_flow.requires) self.assertIn(constants.UPDATE_DICT, create_flow.requires) self.assertIn(constants.LISTENERS, create_flow.provides) self.assertIn(constants.AMPHORA, create_flow.provides) self.assertIn(constants.AMPHORA_ID, create_flow.provides) self.assertIn(constants.COMPUTE_ID, create_flow.provides) self.assertIn(constants.COMPUTE_OBJ, create_flow.provides) self.assertIn(constants.LOADBALANCER, create_flow.provides) self.assertIn(constants.DELTAS, create_flow.provides) self.assertIn(constants.ADDED_PORTS, create_flow.provides) self.assertIn(constants.VIP, create_flow.provides) self.assertIn(constants.AMP_DATA, create_flow.provides) self.assertIn(constants.AMPHORA_NETWORK_CONFIG, create_flow.provides) self.assertEqual(4, len(create_flow.requires)) self.assertEqual(13, len(create_flow.provides), create_flow.provides) def test_get_create_load_balancer_flows_active_standby_listeners( self, mock_get_net_driver): create_flow = ( self.LBFlow.get_create_load_balancer_flow( constants.TOPOLOGY_ACTIVE_STANDBY, True ) ) self.assertIsInstance(create_flow, flow.Flow) self.assertIn(constants.LOADBALANCER_ID, create_flow.requires) self.assertIn(constants.UPDATE_DICT, create_flow.requires) self.assertIn(constants.LISTENERS, create_flow.provides) self.assertIn(constants.AMPHORA, create_flow.provides) self.assertIn(constants.AMPHORA_ID, create_flow.provides) self.assertIn(constants.COMPUTE_ID, create_flow.provides) self.assertIn(constants.COMPUTE_OBJ, create_flow.provides) self.assertIn(constants.LOADBALANCER, create_flow.provides) self.assertIn(constants.DELTAS, create_flow.provides) self.assertIn(constants.ADDED_PORTS, create_flow.provides) self.assertIn(constants.VIP, create_flow.provides) self.assertIn(constants.AMP_DATA, create_flow.provides) self.assertIn(constants.AMPHORAE_NETWORK_CONFIG, create_flow.provides) self.assertEqual(4, len(create_flow.requires)) self.assertEqual(14, len(create_flow.provides), create_flow.provides)