# Copyright (c) 2013 OpenStack Foundation # All Rights Reserved. # # 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. """ Unit Tests for ml2 rpc """ import collections import mock from oslo_config import cfg from oslo_context import context as oslo_context from sqlalchemy.orm import exc from neutron.agent import rpc as agent_rpc from neutron.common import constants from neutron.common import exceptions from neutron.common import topics from neutron.plugins.ml2.drivers import type_tunnel from neutron.plugins.ml2 import managers from neutron.plugins.ml2 import rpc as plugin_rpc from neutron.tests import base cfg.CONF.import_group('ml2', 'neutron.plugins.ml2.config') class RpcCallbacksTestCase(base.BaseTestCase): def setUp(self): super(RpcCallbacksTestCase, self).setUp() self.type_manager = managers.TypeManager() self.notifier = plugin_rpc.AgentNotifierApi(topics.AGENT) self.callbacks = plugin_rpc.RpcCallbacks(self.notifier, self.type_manager) self.manager = mock.patch.object( plugin_rpc.manager, 'NeutronManager').start() self.plugin = self.manager.get_plugin() def _test_update_device_up(self): kwargs = { 'agent_id': 'foo_agent', 'device': 'foo_device' } with mock.patch('neutron.plugins.ml2.plugin.Ml2Plugin' '._device_to_port_id'): with mock.patch('neutron.callbacks.registry.notify') as notify: self.callbacks.update_device_up(mock.Mock(), **kwargs) return notify def test_update_device_up_notify(self): notify = self._test_update_device_up() kwargs = { 'context': mock.ANY, 'port': mock.ANY, 'update_device_up': True } notify.assert_called_once_with( 'port', 'after_update', self.plugin, **kwargs) def test_update_device_up_notify_not_sent_with_port_not_found(self): self.plugin._get_port.side_effect = ( exceptions.PortNotFound(port_id='foo_port_id')) notify = self._test_update_device_up() self.assertFalse(notify.call_count) def test_get_device_details_without_port_context(self): self.plugin.get_bound_port_context.return_value = None self.assertEqual( {'device': 'fake_device'}, self.callbacks.get_device_details(mock.Mock(), device='fake_device')) def test_get_device_details_port_context_without_bounded_segment(self): self.plugin.get_bound_port_context().bottom_bound_segment = None self.assertEqual( {'device': 'fake_device'}, self.callbacks.get_device_details(mock.Mock(), device='fake_device')) def test_get_device_details_port_status_equal_new_status(self): port = collections.defaultdict(lambda: 'fake') self.plugin.get_bound_port_context().current = port self.plugin.port_bound_to_host = mock.MagicMock(return_value=True) for admin_state_up in (True, False): new_status = (constants.PORT_STATUS_BUILD if admin_state_up else constants.PORT_STATUS_DOWN) for status in (constants.PORT_STATUS_ACTIVE, constants.PORT_STATUS_BUILD, constants.PORT_STATUS_DOWN, constants.PORT_STATUS_ERROR): port['admin_state_up'] = admin_state_up port['status'] = status self.plugin.update_port_status.reset_mock() self.callbacks.get_device_details(mock.Mock()) self.assertEqual(status == new_status, not self.plugin.update_port_status.called) def test_get_device_details_caching(self): port = collections.defaultdict(lambda: 'fake_port') cached_networks = {} self.plugin.get_bound_port_context().current = port self.plugin.get_bound_port_context().network.current = ( {"id": "fake_network"}) self.callbacks.get_device_details(mock.Mock(), host='fake_host', cached_networks=cached_networks) self.assertTrue('fake_port' in cached_networks) def test_get_device_details_wrong_host(self): port = collections.defaultdict(lambda: 'fake') port_context = self.plugin.get_bound_port_context() port_context.current = port port_context.host = 'fake' self.plugin.update_port_status.reset_mock() self.callbacks.get_device_details(mock.Mock(), host='fake_host') self.assertFalse(self.plugin.update_port_status.called) def test_get_device_details_port_no_host(self): port = collections.defaultdict(lambda: 'fake') port_context = self.plugin.get_bound_port_context() port_context.current = port self.plugin.update_port_status.reset_mock() self.callbacks.get_device_details(mock.Mock()) self.assertTrue(self.plugin.update_port_status.called) def test_get_devices_details_list(self): devices = [1, 2, 3, 4, 5] kwargs = {'host': 'fake_host', 'agent_id': 'fake_agent_id'} with mock.patch.object(self.callbacks, 'get_device_details', side_effect=devices) as f: res = self.callbacks.get_devices_details_list('fake_context', devices=devices, **kwargs) self.assertEqual(devices, res) self.assertEqual(len(devices), f.call_count) calls = [mock.call('fake_context', device=i, cached_networks={}, **kwargs) for i in devices] f.assert_has_calls(calls) def test_get_devices_details_list_with_empty_devices(self): with mock.patch.object(self.callbacks, 'get_device_details') as f: res = self.callbacks.get_devices_details_list('fake_context') self.assertFalse(f.called) self.assertEqual([], res) def _test_update_device_not_bound_to_host(self, func): self.plugin.port_bound_to_host.return_value = False self.plugin._device_to_port_id.return_value = 'fake_port_id' res = func(mock.Mock(), device='fake_device', host='fake_host') self.plugin.port_bound_to_host.assert_called_once_with(mock.ANY, 'fake_port_id', 'fake_host') return res def test_update_device_up_with_device_not_bound_to_host(self): self.assertIsNone(self._test_update_device_not_bound_to_host( self.callbacks.update_device_up)) def test_update_device_down_with_device_not_bound_to_host(self): self.assertEqual( {'device': 'fake_device', 'exists': True}, self._test_update_device_not_bound_to_host( self.callbacks.update_device_down)) def test_update_device_down_call_update_port_status(self): self.plugin.update_port_status.return_value = False self.plugin._device_to_port_id.return_value = 'fake_port_id' self.assertEqual( {'device': 'fake_device', 'exists': False}, self.callbacks.update_device_down(mock.Mock(), device='fake_device', host='fake_host')) self.plugin.update_port_status.assert_called_once_with( mock.ANY, 'fake_port_id', constants.PORT_STATUS_DOWN, 'fake_host') def test_update_device_down_call_update_port_status_failed(self): self.plugin.update_port_status.side_effect = exc.StaleDataError self.assertEqual({'device': 'fake_device', 'exists': False}, self.callbacks.update_device_down( mock.Mock(), device='fake_device')) class RpcApiTestCase(base.BaseTestCase): def _test_rpc_api(self, rpcapi, topic, method, rpc_method, **kwargs): ctxt = oslo_context.RequestContext('fake_user', 'fake_project') expected_retval = 'foo' if rpc_method == 'call' else None expected_version = kwargs.pop('version', None) fanout = kwargs.pop('fanout', False) with mock.patch.object(rpcapi.client, rpc_method) as rpc_mock,\ mock.patch.object(rpcapi.client, 'prepare') as prepare_mock: prepare_mock.return_value = rpcapi.client rpc_mock.return_value = expected_retval retval = getattr(rpcapi, method)(ctxt, **kwargs) prepare_args = {} if expected_version: prepare_args['version'] = expected_version if fanout: prepare_args['fanout'] = fanout if topic: prepare_args['topic'] = topic prepare_mock.assert_called_once_with(**prepare_args) self.assertEqual(retval, expected_retval) rpc_mock.assert_called_once_with(ctxt, method, **kwargs) def test_delete_network(self): rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT) self._test_rpc_api( rpcapi, topics.get_topic_name(topics.AGENT, topics.NETWORK, topics.DELETE), 'network_delete', rpc_method='cast', fanout=True, network_id='fake_request_spec') def test_port_update(self): rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT) self._test_rpc_api( rpcapi, topics.get_topic_name(topics.AGENT, topics.PORT, topics.UPDATE), 'port_update', rpc_method='cast', fanout=True, port='fake_port', network_type='fake_network_type', segmentation_id='fake_segmentation_id', physical_network='fake_physical_network') def test_port_delete(self): rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT) self._test_rpc_api( rpcapi, topics.get_topic_name(topics.AGENT, topics.PORT, topics.DELETE), 'port_delete', rpc_method='cast', fanout=True, port_id='fake_port') def test_tunnel_update(self): rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT) self._test_rpc_api( rpcapi, topics.get_topic_name(topics.AGENT, type_tunnel.TUNNEL, topics.UPDATE), 'tunnel_update', rpc_method='cast', fanout=True, tunnel_ip='fake_ip', tunnel_type='gre') def test_tunnel_delete(self): rpcapi = plugin_rpc.AgentNotifierApi(topics.AGENT) self._test_rpc_api( rpcapi, topics.get_topic_name(topics.AGENT, type_tunnel.TUNNEL, topics.DELETE), 'tunnel_delete', rpc_method='cast', fanout=True, tunnel_ip='fake_ip', tunnel_type='gre') def test_device_details(self): rpcapi = agent_rpc.PluginApi(topics.PLUGIN) self._test_rpc_api(rpcapi, None, 'get_device_details', rpc_method='call', device='fake_device', agent_id='fake_agent_id', host='fake_host') def test_devices_details_list(self): rpcapi = agent_rpc.PluginApi(topics.PLUGIN) self._test_rpc_api(rpcapi, None, 'get_devices_details_list', rpc_method='call', devices=['fake_device1', 'fake_device2'], agent_id='fake_agent_id', host='fake_host', version='1.3') def test_update_device_down(self): rpcapi = agent_rpc.PluginApi(topics.PLUGIN) self._test_rpc_api(rpcapi, None, 'update_device_down', rpc_method='call', device='fake_device', agent_id='fake_agent_id', host='fake_host') def test_tunnel_sync(self): rpcapi = agent_rpc.PluginApi(topics.PLUGIN) self._test_rpc_api(rpcapi, None, 'tunnel_sync', rpc_method='call', tunnel_ip='fake_tunnel_ip', tunnel_type=None, host='fake_host', version='1.4') def test_update_device_up(self): rpcapi = agent_rpc.PluginApi(topics.PLUGIN) self._test_rpc_api(rpcapi, None, 'update_device_up', rpc_method='call', device='fake_device', agent_id='fake_agent_id', host='fake_host')