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OpenStack Study: test_l2population.py**** CubicPower OpenStack Study ****
# 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. # # @author: Sylvain Afchain, eNovance SAS # @author: Francois Eleouet, Orange # @author: Mathieu Rohon, Orange import mock from neutron.common import constants from neutron.common import topics from neutron import context from neutron.db import agents_db from neutron.db import api as db_api from neutron.extensions import portbindings from neutron.extensions import providernet as pnet from neutron import manager from neutron.openstack.common import timeutils from neutron.plugins.ml2 import config as config from neutron.plugins.ml2.drivers.l2pop import constants as l2_consts from neutron.plugins.ml2 import managers from neutron.plugins.ml2 import rpc from neutron.tests.unit import test_db_plugin as test_plugin HOST = 'my_l2_host' L2_AGENT = { 'binary': 'neutron-openvswitch-agent', 'host': HOST, 'topic': constants.L2_AGENT_TOPIC, 'configurations': {'tunneling_ip': '20.0.0.1', 'tunnel_types': ['vxlan']}, 'agent_type': constants.AGENT_TYPE_OVS, 'tunnel_type': [], 'start_flag': True } L2_AGENT_2 = { 'binary': 'neutron-openvswitch-agent', 'host': HOST + '_2', 'topic': constants.L2_AGENT_TOPIC, 'configurations': {'tunneling_ip': '20.0.0.2', 'tunnel_types': ['vxlan']}, 'agent_type': constants.AGENT_TYPE_OVS, 'tunnel_type': [], 'start_flag': True } L2_AGENT_3 = { 'binary': 'neutron-openvswitch-agent', 'host': HOST + '_3', 'topic': constants.L2_AGENT_TOPIC, 'configurations': {'tunneling_ip': '20.0.0.3', 'tunnel_types': []}, 'agent_type': constants.AGENT_TYPE_OVS, 'tunnel_type': [], 'start_flag': True } L2_AGENT_4 = { 'binary': 'neutron-openvswitch-agent', 'host': HOST + '_4', 'topic': constants.L2_AGENT_TOPIC, 'configurations': {'tunneling_ip': '20.0.0.4', 'tunnel_types': ['vxlan']}, 'agent_type': constants.AGENT_TYPE_OVS, 'tunnel_type': [], 'start_flag': True } PLUGIN_NAME = 'neutron.plugins.ml2.plugin.Ml2Plugin' NOTIFIER = 'neutron.plugins.ml2.rpc.AgentNotifierApi'
**** CubicPower OpenStack Study **** class TestL2PopulationRpcTestCase(test_plugin.NeutronDbPluginV2TestCase):
**** CubicPower OpenStack Study **** def setUp(self): # Enable the test mechanism driver to ensure that # we can successfully call through to all mechanism # driver apis. config.cfg.CONF.set_override('mechanism_drivers', ['openvswitch', 'linuxbridge', 'l2population'], 'ml2') super(TestL2PopulationRpcTestCase, self).setUp(PLUGIN_NAME) self.adminContext = context.get_admin_context() self.type_manager = managers.TypeManager() self.notifier = rpc.AgentNotifierApi(topics.AGENT) self.callbacks = rpc.RpcCallbacks(self.notifier, self.type_manager) self.orig_supported_agents = l2_consts.SUPPORTED_AGENT_TYPES l2_consts.SUPPORTED_AGENT_TYPES = [constants.AGENT_TYPE_OVS] net_arg = {pnet.NETWORK_TYPE: 'vxlan', pnet.SEGMENTATION_ID: '1'} self._network = self._make_network(self.fmt, 'net1', True, arg_list=(pnet.NETWORK_TYPE, pnet.SEGMENTATION_ID,), **net_arg) notifier_patch = mock.patch(NOTIFIER) notifier_patch.start() self.fanout_topic = topics.get_topic_name(topics.AGENT, topics.L2POPULATION, topics.UPDATE) fanout = ('neutron.openstack.common.rpc.proxy.RpcProxy.fanout_cast') fanout_patch = mock.patch(fanout) self.mock_fanout = fanout_patch.start() cast = ('neutron.openstack.common.rpc.proxy.RpcProxy.cast') cast_patch = mock.patch(cast) self.mock_cast = cast_patch.start() uptime = ('neutron.plugins.ml2.drivers.l2pop.db.L2populationDbMixin.' 'get_agent_uptime') uptime_patch = mock.patch(uptime, return_value=190) uptime_patch.start() self.addCleanup(db_api.clear_db)
**** CubicPower OpenStack Study **** def tearDown(self): l2_consts.SUPPORTED_AGENT_TYPES = self.orig_supported_agents super(TestL2PopulationRpcTestCase, self).tearDown()
**** CubicPower OpenStack Study **** def _register_ml2_agents(self): callback = agents_db.AgentExtRpcCallback() callback.report_state(self.adminContext, agent_state={'agent_state': L2_AGENT}, time=timeutils.strtime()) callback.report_state(self.adminContext, agent_state={'agent_state': L2_AGENT_2}, time=timeutils.strtime()) callback.report_state(self.adminContext, agent_state={'agent_state': L2_AGENT_3}, time=timeutils.strtime()) callback.report_state(self.adminContext, agent_state={'agent_state': L2_AGENT_4}, time=timeutils.strtime())
**** CubicPower OpenStack Study **** def test_fdb_add_called(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg): p1 = port1['port'] device = 'tap' + p1['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] expected = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'add_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_fdb_add_not_called_type_local(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST + '_3'} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg): p1 = port1['port'] device = 'tap' + p1['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) self.assertFalse(self.mock_fanout.called)
**** CubicPower OpenStack Study **** def test_fdb_add_two_agents(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST, 'admin_state_up': True} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID, 'admin_state_up',), **host_arg) as port1: host_arg = {portbindings.HOST_ID: HOST + '_2', 'admin_state_up': True} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID, 'admin_state_up',), **host_arg) as port2: p1 = port1['port'] p2 = port2['port'] device = 'tap' + p1['id'] self.mock_cast.reset_mock() self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] p2_ips = [p['ip_address'] for p in p2['fixed_ips']] expected1 = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.2': [constants.FLOODING_ENTRY, [p2['mac_address'], p2_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'add_fdb_entries'} topic = topics.get_topic_name(topics.AGENT, topics.L2POPULATION, topics.UPDATE, HOST) self.mock_cast.assert_called_with(mock.ANY, expected1, topic=topic) expected2 = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'add_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected2, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_fdb_add_called_two_networks(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST + '_2'} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.subnet(cidr='10.1.0.0/24') as subnet2: with self.port(subnet=subnet2, arg_list=(portbindings.HOST_ID,), **host_arg): host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port3: p1 = port1['port'] p3 = port3['port'] device = 'tap' + p3['id'] self.mock_cast.reset_mock() self.mock_fanout.reset_mock() self.callbacks.update_device_up( self.adminContext, agent_id=HOST, device=device) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] expected1 = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.2': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'add_fdb_entries'} topic = topics.get_topic_name(topics.AGENT, topics.L2POPULATION, topics.UPDATE, HOST) self.mock_cast.assert_called_with(mock.ANY, expected1, topic=topic) p3_ips = [p['ip_address'] for p in p3['fixed_ips']] expected2 = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p3['mac_address'], p3_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'add_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected2, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_update_port_down(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port2: p2 = port2['port'] device2 = 'tap' + p2['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device2) p1 = port1['port'] device1 = 'tap' + p1['id'] self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device1) self.mock_fanout.reset_mock() self.callbacks.update_device_down(self.adminContext, agent_id=HOST, device=device2) p2_ips = [p['ip_address'] for p in p2['fixed_ips']] expected = {'args': {'fdb_entries': {p2['network_id']: {'ports': {'20.0.0.1': [[p2['mac_address'], p2_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_update_port_down_last_port_up(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg): with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port2: p2 = port2['port'] device2 = 'tap' + p2['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device2) self.callbacks.update_device_down(self.adminContext, agent_id=HOST, device=device2) p2_ips = [p['ip_address'] for p in p2['fixed_ips']] expected = {'args': {'fdb_entries': {p2['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p2['mac_address'], p2_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_delete_port(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port: p1 = port['port'] device = 'tap' + p1['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port2: p2 = port2['port'] device1 = 'tap' + p2['id'] self.mock_fanout.reset_mock() self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device1) p2_ips = [p['ip_address'] for p in p2['fixed_ips']] expected = {'args': {'fdb_entries': {p2['network_id']: {'ports': {'20.0.0.1': [[p2['mac_address'], p2_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_any_call( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_delete_port_last_port_up(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg): with self.port(subnet=subnet, arg_list=(portbindings.HOST_ID,), **host_arg) as port: p1 = port['port'] device = 'tap' + p1['id'] self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] expected = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_any_call( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_fixed_ips_changed(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host_arg) as port1: p1 = port1['port'] device = 'tap' + p1['id'] self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) self.mock_fanout.reset_mock() data = {'port': {'fixed_ips': [{'ip_address': '10.0.0.2'}, {'ip_address': '10.0.0.10'}]}} req = self.new_update_request('ports', data, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) ips = res['port']['fixed_ips'] self.assertEqual(len(ips), 2) add_expected = {'args': {'fdb_entries': {'chg_ip': {p1['network_id']: {'20.0.0.1': {'after': [[p1['mac_address'], '10.0.0.10']]}}}}}, 'namespace': None, 'method': 'update_fdb_entries'} self.mock_fanout.assert_any_call( mock.ANY, add_expected, topic=self.fanout_topic) self.mock_fanout.reset_mock() data = {'port': {'fixed_ips': [{'ip_address': '10.0.0.2'}, {'ip_address': '10.0.0.16'}]}} req = self.new_update_request('ports', data, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) ips = res['port']['fixed_ips'] self.assertEqual(len(ips), 2) upd_expected = {'args': {'fdb_entries': {'chg_ip': {p1['network_id']: {'20.0.0.1': {'before': [[p1['mac_address'], '10.0.0.10']], 'after': [[p1['mac_address'], '10.0.0.16']]}}}}}, 'namespace': None, 'method': 'update_fdb_entries'} self.mock_fanout.assert_any_call( mock.ANY, upd_expected, topic=self.fanout_topic) self.mock_fanout.reset_mock() data = {'port': {'fixed_ips': [{'ip_address': '10.0.0.16'}]}} req = self.new_update_request('ports', data, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) ips = res['port']['fixed_ips'] self.assertEqual(len(ips), 1) del_expected = {'args': {'fdb_entries': {'chg_ip': {p1['network_id']: {'20.0.0.1': {'before': [[p1['mac_address'], '10.0.0.2']]}}}}}, 'namespace': None, 'method': 'update_fdb_entries'} self.mock_fanout.assert_any_call( mock.ANY, del_expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_no_fdb_updates_without_port_updates(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: HOST} with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host_arg) as port1: p1 = port1['port'] device = 'tap' + p1['id'] self.callbacks.update_device_up(self.adminContext, agent_id=HOST, device=device) p1['status'] = 'ACTIVE' self.mock_fanout.reset_mock() fanout = ('neutron.plugins.ml2.drivers.l2pop.rpc.' 'L2populationAgentNotifyAPI._notification_fanout') fanout_patch = mock.patch(fanout) mock_fanout = fanout_patch.start() plugin = manager.NeutronManager.get_plugin() plugin.update_port(self.adminContext, p1['id'], port1) self.assertFalse(mock_fanout.called) fanout_patch.stop()
**** CubicPower OpenStack Study **** def test_host_changed(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: L2_AGENT['host']} host2_arg = {portbindings.HOST_ID: L2_AGENT_2['host']} with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host2_arg) as port2: p1 = port1['port'] device1 = 'tap' + p1['id'] self.callbacks.update_device_up( self.adminContext, agent_id=L2_AGENT['host'], device=device1) p2 = port2['port'] device2 = 'tap' + p2['id'] self.callbacks.update_device_up( self.adminContext, agent_id=L2_AGENT_2['host'], device=device2) data2 = {'port': {'binding:host_id': L2_AGENT_2['host']}} req = self.new_update_request('ports', data2, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) self.assertEqual(res['port']['binding:host_id'], L2_AGENT_2['host']) self.mock_fanout.reset_mock() self.callbacks.get_device_details( self.adminContext, device=device1, agent_id=L2_AGENT_2['host']) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] expected = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected, topic=self.fanout_topic)
**** CubicPower OpenStack Study **** def test_host_changed_twice(self): self._register_ml2_agents() with self.subnet(network=self._network) as subnet: host_arg = {portbindings.HOST_ID: L2_AGENT['host']} host2_arg = {portbindings.HOST_ID: L2_AGENT_2['host']} with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host_arg) as port1: with self.port(subnet=subnet, cidr='10.0.0.0/24', arg_list=(portbindings.HOST_ID,), **host2_arg) as port2: p1 = port1['port'] device1 = 'tap' + p1['id'] self.callbacks.update_device_up( self.adminContext, agent_id=L2_AGENT['host'], device=device1) p2 = port2['port'] device2 = 'tap' + p2['id'] self.callbacks.update_device_up( self.adminContext, agent_id=L2_AGENT_2['host'], device=device2) data2 = {'port': {'binding:host_id': L2_AGENT_2['host']}} req = self.new_update_request('ports', data2, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) self.assertEqual(res['port']['binding:host_id'], L2_AGENT_2['host']) data4 = {'port': {'binding:host_id': L2_AGENT_4['host']}} req = self.new_update_request('ports', data4, p1['id']) res = self.deserialize(self.fmt, req.get_response(self.api)) self.assertEqual(res['port']['binding:host_id'], L2_AGENT_4['host']) self.mock_fanout.reset_mock() self.callbacks.get_device_details( self.adminContext, device=device1, agent_id=L2_AGENT_4['host']) p1_ips = [p['ip_address'] for p in p1['fixed_ips']] expected = {'args': {'fdb_entries': {p1['network_id']: {'ports': {'20.0.0.1': [constants.FLOODING_ENTRY, [p1['mac_address'], p1_ips[0]]]}, 'network_type': 'vxlan', 'segment_id': 1}}}, 'namespace': None, 'method': 'remove_fdb_entries'} self.mock_fanout.assert_called_with( mock.ANY, expected, topic=self.fanout_topic)
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