# Copyright (c) 2013 OpenStack Foundation. # # 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 contextlib import copy import datetime import mock from oslo.config import cfg from webob import exc from neutron.api import extensions from neutron.api.rpc.agentnotifiers import dhcp_rpc_agent_api from neutron.api.rpc.handlers import dhcp_rpc from neutron.api.rpc.handlers import l3_rpc from neutron.api.v2 import attributes from neutron.common import constants from neutron import context from neutron.db import agents_db from neutron.db import l3_agentschedulers_db from neutron.extensions import agent from neutron.extensions import dhcpagentscheduler from neutron.extensions import l3agentscheduler from neutron import manager from neutron.openstack.common import timeutils from neutron.openstack.common import uuidutils from neutron.plugins.common import constants as service_constants from neutron.tests import fake_notifier from neutron.tests.unit import test_agent_ext_plugin from neutron.tests.unit import test_db_plugin as test_plugin from neutron.tests.unit import test_extensions from neutron.tests.unit import test_l3_plugin from neutron.tests.unit import testlib_api from neutron import wsgi L3_HOSTA = 'hosta' DHCP_HOSTA = 'hosta' L3_HOSTB = 'hostb' DHCP_HOSTC = 'hostc' class AgentSchedulerTestMixIn(object): def _request_list(self, path, admin_context=True, expected_code=exc.HTTPOk.code): req = self._path_req(path, admin_context=admin_context) res = req.get_response(self.ext_api) self.assertEqual(res.status_int, expected_code) return self.deserialize(self.fmt, res) def _path_req(self, path, method='GET', data=None, query_string=None, admin_context=True): content_type = 'application/%s' % self.fmt body = None if data is not None: # empty dict is valid body = wsgi.Serializer().serialize(data, content_type) if admin_context: return testlib_api.create_request( path, body, content_type, method, query_string=query_string) else: return testlib_api.create_request( path, body, content_type, method, query_string=query_string, context=context.Context('', 'tenant_id')) def _path_create_request(self, path, data, admin_context=True): return self._path_req(path, method='POST', data=data, admin_context=admin_context) def _path_show_request(self, path, admin_context=True): return self._path_req(path, admin_context=admin_context) def _path_delete_request(self, path, admin_context=True): return self._path_req(path, method='DELETE', admin_context=admin_context) def _path_update_request(self, path, data, admin_context=True): return self._path_req(path, method='PUT', data=data, admin_context=admin_context) def _list_routers_hosted_by_l3_agent(self, agent_id, expected_code=exc.HTTPOk.code, admin_context=True): path = "/agents/%s/%s.%s" % (agent_id, l3agentscheduler.L3_ROUTERS, self.fmt) return self._request_list(path, expected_code=expected_code, admin_context=admin_context) def _list_networks_hosted_by_dhcp_agent(self, agent_id, expected_code=exc.HTTPOk.code, admin_context=True): path = "/agents/%s/%s.%s" % (agent_id, dhcpagentscheduler.DHCP_NETS, self.fmt) return self._request_list(path, expected_code=expected_code, admin_context=admin_context) def _list_l3_agents_hosting_router(self, router_id, expected_code=exc.HTTPOk.code, admin_context=True): path = "/routers/%s/%s.%s" % (router_id, l3agentscheduler.L3_AGENTS, self.fmt) return self._request_list(path, expected_code=expected_code, admin_context=admin_context) def _list_dhcp_agents_hosting_network(self, network_id, expected_code=exc.HTTPOk.code, admin_context=True): path = "/networks/%s/%s.%s" % (network_id, dhcpagentscheduler.DHCP_AGENTS, self.fmt) return self._request_list(path, expected_code=expected_code, admin_context=admin_context) def _add_router_to_l3_agent(self, id, router_id, expected_code=exc.HTTPCreated.code, admin_context=True): path = "/agents/%s/%s.%s" % (id, l3agentscheduler.L3_ROUTERS, self.fmt) req = self._path_create_request(path, {'router_id': router_id}, admin_context=admin_context) res = req.get_response(self.ext_api) self.assertEqual(res.status_int, expected_code) def _add_network_to_dhcp_agent(self, id, network_id, expected_code=exc.HTTPCreated.code, admin_context=True): path = "/agents/%s/%s.%s" % (id, dhcpagentscheduler.DHCP_NETS, self.fmt) req = self._path_create_request(path, {'network_id': network_id}, admin_context=admin_context) res = req.get_response(self.ext_api) self.assertEqual(res.status_int, expected_code) def _remove_network_from_dhcp_agent(self, id, network_id, expected_code=exc.HTTPNoContent.code, admin_context=True): path = "/agents/%s/%s/%s.%s" % (id, dhcpagentscheduler.DHCP_NETS, network_id, self.fmt) req = self._path_delete_request(path, admin_context=admin_context) res = req.get_response(self.ext_api) self.assertEqual(res.status_int, expected_code) def _remove_router_from_l3_agent(self, id, router_id, expected_code=exc.HTTPNoContent.code, admin_context=True): path = "/agents/%s/%s/%s.%s" % (id, l3agentscheduler.L3_ROUTERS, router_id, self.fmt) req = self._path_delete_request(path, admin_context=admin_context) res = req.get_response(self.ext_api) self.assertEqual(res.status_int, expected_code) def _assert_notify(self, notifications, expected_event_type): event_types = [event['event_type'] for event in notifications] self.assertIn(expected_event_type, event_types) def _register_one_agent_state(self, agent_state): callback = agents_db.AgentExtRpcCallback() callback.report_state(self.adminContext, agent_state={'agent_state': agent_state}, time=timeutils.strtime()) def _disable_agent(self, agent_id, admin_state_up=False): new_agent = {} new_agent['agent'] = {} new_agent['agent']['admin_state_up'] = admin_state_up self._update('agents', agent_id, new_agent) def _get_agent_id(self, agent_type, host): agents = self._list_agents() for agent_data in agents['agents']: if (agent_data['agent_type'] == agent_type and agent_data['host'] == host): return agent_data['id'] class OvsAgentSchedulerTestCaseBase(test_l3_plugin.L3NatTestCaseMixin, test_agent_ext_plugin.AgentDBTestMixIn, AgentSchedulerTestMixIn, test_plugin.NeutronDbPluginV2TestCase): fmt = 'json' plugin_str = 'neutron.plugins.ml2.plugin.Ml2Plugin' l3_plugin = ('neutron.tests.unit.test_l3_plugin.' 'TestL3NatAgentSchedulingServicePlugin') def setUp(self): # Save the global RESOURCE_ATTRIBUTE_MAP before loading plugin self.saved_attr_map = {} for resource, attrs in attributes.RESOURCE_ATTRIBUTE_MAP.iteritems(): self.saved_attr_map[resource] = attrs.copy() if self.l3_plugin: service_plugins = {'l3_plugin_name': self.l3_plugin} else: service_plugins = None super(OvsAgentSchedulerTestCaseBase, self).setUp( self.plugin_str, service_plugins=service_plugins) ext_mgr = extensions.PluginAwareExtensionManager.get_instance() self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr) self.adminContext = context.get_admin_context() # Add the resources to the global attribute map # This is done here as the setup process won't # initialize the main API router which extends # the global attribute map attributes.RESOURCE_ATTRIBUTE_MAP.update( agent.RESOURCE_ATTRIBUTE_MAP) self.addCleanup(self.restore_attribute_map) self.l3agentscheduler_dbMinxin = ( manager.NeutronManager.get_service_plugins().get( service_constants.L3_ROUTER_NAT)) self.l3_notify_p = mock.patch( 'neutron.extensions.l3agentscheduler.notify') self.patched_l3_notify = self.l3_notify_p.start() self.l3_periodic_p = mock.patch('neutron.db.L3AgentSchedulerDbMixin.' 'start_periodic_agent_status_check') self.patched_l3_periodic = self.l3_notify_p.start() self.dhcp_notify_p = mock.patch( 'neutron.extensions.dhcpagentscheduler.notify') self.patched_dhcp_notify = self.dhcp_notify_p.start() def restore_attribute_map(self): # Restore the original RESOURCE_ATTRIBUTE_MAP attributes.RESOURCE_ATTRIBUTE_MAP = self.saved_attr_map class OvsAgentSchedulerTestCase(OvsAgentSchedulerTestCaseBase): def test_report_states(self): self._register_agent_states() agents = self._list_agents() self.assertEqual(4, len(agents['agents'])) def test_network_scheduling_on_network_creation(self): self._register_agent_states() with self.network() as net: dhcp_agents = self._list_dhcp_agents_hosting_network( net['network']['id']) self.assertEqual(0, len(dhcp_agents['agents'])) def test_network_auto_schedule_with_disabled(self): cfg.CONF.set_override('allow_overlapping_ips', True) with contextlib.nested(self.subnet(), self.subnet()): dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) hostc_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTC) self._disable_agent(hosta_id) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) # second agent will host all the networks since first is disabled. dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTC) networks = self._list_networks_hosted_by_dhcp_agent(hostc_id) num_hostc_nets = len(networks['networks']) networks = self._list_networks_hosted_by_dhcp_agent(hosta_id) num_hosta_nets = len(networks['networks']) self.assertEqual(0, num_hosta_nets) self.assertEqual(2, num_hostc_nets) def test_network_auto_schedule_with_no_dhcp(self): cfg.CONF.set_override('allow_overlapping_ips', True) with contextlib.nested(self.subnet(enable_dhcp=False), self.subnet(enable_dhcp=False)): dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) hostc_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTC) self._disable_agent(hosta_id) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTC) networks = self._list_networks_hosted_by_dhcp_agent(hostc_id) num_hostc_nets = len(networks['networks']) networks = self._list_networks_hosted_by_dhcp_agent(hosta_id) num_hosta_nets = len(networks['networks']) self.assertEqual(0, num_hosta_nets) self.assertEqual(0, num_hostc_nets) def test_network_auto_schedule_with_multiple_agents(self): cfg.CONF.set_override('dhcp_agents_per_network', 2) cfg.CONF.set_override('allow_overlapping_ips', True) with contextlib.nested(self.subnet(), self.subnet()): dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) hostc_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTC) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTC) networks = self._list_networks_hosted_by_dhcp_agent(hostc_id) num_hostc_nets = len(networks['networks']) networks = self._list_networks_hosted_by_dhcp_agent(hosta_id) num_hosta_nets = len(networks['networks']) self.assertEqual(2, num_hosta_nets) self.assertEqual(2, num_hostc_nets) def test_network_auto_schedule_restart_dhcp_agent(self): cfg.CONF.set_override('dhcp_agents_per_network', 2) with self.subnet() as sub1: dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() self._register_agent_states() dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) dhcp_agents = self._list_dhcp_agents_hosting_network( sub1['subnet']['network_id']) self.assertEqual(1, len(dhcp_agents['agents'])) def test_network_auto_schedule_with_hosted(self): # one agent hosts all the networks, other hosts none cfg.CONF.set_override('allow_overlapping_ips', True) with contextlib.nested(self.subnet(), self.subnet()) as (sub1, sub2): dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() self._register_agent_states() dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) # second agent will not host the network since first has got it. dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTC) dhcp_agents = self._list_dhcp_agents_hosting_network( sub1['subnet']['network_id']) hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) hostc_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTC) hosta_nets = self._list_networks_hosted_by_dhcp_agent(hosta_id) num_hosta_nets = len(hosta_nets['networks']) hostc_nets = self._list_networks_hosted_by_dhcp_agent(hostc_id) num_hostc_nets = len(hostc_nets['networks']) self.assertEqual(2, num_hosta_nets) self.assertEqual(0, num_hostc_nets) self.assertEqual(1, len(dhcp_agents['agents'])) self.assertEqual(DHCP_HOSTA, dhcp_agents['agents'][0]['host']) def test_network_auto_schedule_with_hosted_2(self): # one agent hosts one network dhcp_rpc_cb = dhcp_rpc.DhcpRpcCallback() dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} dhcp_hostc = copy.deepcopy(dhcp_hosta) dhcp_hostc['host'] = DHCP_HOSTC cfg.CONF.set_override('allow_overlapping_ips', True) with self.subnet() as sub1: self._register_one_agent_state(dhcp_hosta) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTA) hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) self._disable_agent(hosta_id, admin_state_up=False) with self.subnet() as sub2: self._register_one_agent_state(dhcp_hostc) dhcp_rpc_cb.get_active_networks(self.adminContext, host=DHCP_HOSTC) dhcp_agents_1 = self._list_dhcp_agents_hosting_network( sub1['subnet']['network_id']) dhcp_agents_2 = self._list_dhcp_agents_hosting_network( sub2['subnet']['network_id']) hosta_nets = self._list_networks_hosted_by_dhcp_agent(hosta_id) num_hosta_nets = len(hosta_nets['networks']) hostc_id = self._get_agent_id( constants.AGENT_TYPE_DHCP, DHCP_HOSTC) hostc_nets = self._list_networks_hosted_by_dhcp_agent(hostc_id) num_hostc_nets = len(hostc_nets['networks']) self.assertEqual(1, num_hosta_nets) self.assertEqual(1, num_hostc_nets) self.assertEqual(1, len(dhcp_agents_1['agents'])) self.assertEqual(1, len(dhcp_agents_2['agents'])) self.assertEqual(DHCP_HOSTA, dhcp_agents_1['agents'][0]['host']) self.assertEqual(DHCP_HOSTC, dhcp_agents_2['agents'][0]['host']) def test_network_scheduling_on_port_creation(self): with self.subnet() as subnet: dhcp_agents = self._list_dhcp_agents_hosting_network( subnet['subnet']['network_id']) result0 = len(dhcp_agents['agents']) self._register_agent_states() with self.port(subnet=subnet, device_owner="compute:test:" + DHCP_HOSTA) as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) result1 = len(dhcp_agents['agents']) self.assertEqual(0, result0) self.assertEqual(1, result1) def test_network_ha_scheduling_on_port_creation(self): cfg.CONF.set_override('dhcp_agents_per_network', 2) with self.subnet() as subnet: dhcp_agents = self._list_dhcp_agents_hosting_network( subnet['subnet']['network_id']) result0 = len(dhcp_agents['agents']) self._register_agent_states() with self.port(subnet=subnet, device_owner="compute:test:" + DHCP_HOSTA) as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) result1 = len(dhcp_agents['agents']) self.assertEqual(0, result0) self.assertEqual(2, result1) def test_network_ha_scheduling_on_port_creation_with_new_agent(self): cfg.CONF.set_override('dhcp_agents_per_network', 3) with self.subnet() as subnet: dhcp_agents = self._list_dhcp_agents_hosting_network( subnet['subnet']['network_id']) result0 = len(dhcp_agents['agents']) self._register_agent_states() with self.port(subnet=subnet, device_owner="compute:test:" + DHCP_HOSTA) as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) result1 = len(dhcp_agents['agents']) self._register_one_dhcp_agent() with self.port(subnet=subnet, device_owner="compute:test:" + DHCP_HOSTA) as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) result2 = len(dhcp_agents['agents']) self.assertEqual(0, result0) self.assertEqual(2, result1) self.assertEqual(3, result2) def test_network_scheduler_with_disabled_agent(self): dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} self._register_one_agent_state(dhcp_hosta) with self.port() as port1: dhcp_agents = self._list_dhcp_agents_hosting_network( port1['port']['network_id']) self._delete('ports', port1['port']['id']) self._delete('networks', port1['port']['network_id']) self.assertEqual(1, len(dhcp_agents['agents'])) agents = self._list_agents() self._disable_agent(agents['agents'][0]['id']) with self.port() as port2: dhcp_agents = self._list_dhcp_agents_hosting_network( port2['port']['network_id']) self._delete('ports', port2['port']['id']) self.assertEqual(0, len(dhcp_agents['agents'])) def test_network_scheduler_with_down_agent(self): dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} self._register_one_agent_state(dhcp_hosta) is_agent_down_str = 'neutron.db.agents_db.AgentDbMixin.is_agent_down' with mock.patch(is_agent_down_str) as mock_is_agent_down: mock_is_agent_down.return_value = False with self.port() as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) self._delete('ports', port['port']['id']) self._delete('networks', port['port']['network_id']) self.assertEqual(1, len(dhcp_agents['agents'])) with mock.patch(is_agent_down_str) as mock_is_agent_down: mock_is_agent_down.return_value = True with self.port() as port: dhcp_agents = self._list_dhcp_agents_hosting_network( port['port']['network_id']) self._delete('ports', port['port']['id']) self.assertEqual(0, len(dhcp_agents['agents'])) def test_network_scheduler_with_hosted_network(self): plugin = manager.NeutronManager.get_plugin() dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} self._register_one_agent_state(dhcp_hosta) with self.port() as port1: dhcp_agents = self._list_dhcp_agents_hosting_network( port1['port']['network_id']) self.assertEqual(1, len(dhcp_agents['agents'])) with mock.patch.object(plugin, 'get_dhcp_agents_hosting_networks', autospec=True) as mock_hosting_agents: mock_hosting_agents.return_value = plugin.get_agents_db( self.adminContext) with self.network('test') as net1: pass with self.subnet(network=net1, cidr='10.0.1.0/24') as subnet1: pass with self.port(subnet=subnet1) as port2: pass dhcp_agents = self._list_dhcp_agents_hosting_network( port2['port']['network_id']) self.assertEqual(0, len(dhcp_agents['agents'])) def test_network_policy(self): with self.network() as net1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) self._list_networks_hosted_by_dhcp_agent( hosta_id, expected_code=exc.HTTPForbidden.code, admin_context=False) self._add_network_to_dhcp_agent( hosta_id, net1['network']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) self._add_network_to_dhcp_agent(hosta_id, net1['network']['id']) self._remove_network_from_dhcp_agent( hosta_id, net1['network']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) self._list_dhcp_agents_hosting_network( net1['network']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) def test_network_add_to_dhcp_agent(self): with self.network() as net1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) num_before_add = len( self._list_networks_hosted_by_dhcp_agent( hosta_id)['networks']) self._add_network_to_dhcp_agent(hosta_id, net1['network']['id']) num_after_add = len( self._list_networks_hosted_by_dhcp_agent( hosta_id)['networks']) self.assertEqual(0, num_before_add) self.assertEqual(1, num_after_add) def test_network_remove_from_dhcp_agent(self): dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} self._register_one_agent_state(dhcp_hosta) hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) with self.port() as port1: num_before_remove = len( self._list_networks_hosted_by_dhcp_agent( hosta_id)['networks']) self._remove_network_from_dhcp_agent(hosta_id, port1['port']['network_id']) num_after_remove = len( self._list_networks_hosted_by_dhcp_agent( hosta_id)['networks']) self.assertEqual(1, num_before_remove) self.assertEqual(0, num_after_remove) def test_list_active_networks_on_not_registered_yet_dhcp_agent(self): plugin = manager.NeutronManager.get_plugin() nets = plugin.list_active_networks_on_active_dhcp_agent( self.adminContext, host=DHCP_HOSTA) self.assertEqual([], nets) def test_reserved_port_after_network_remove_from_dhcp_agent(self): dhcp_hosta = { 'binary': 'neutron-dhcp-agent', 'host': DHCP_HOSTA, 'topic': 'DHCP_AGENT', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP} self._register_one_agent_state(dhcp_hosta) hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) with self.port(device_owner=constants.DEVICE_OWNER_DHCP, host=DHCP_HOSTA) as port1: self._remove_network_from_dhcp_agent(hosta_id, port1['port']['network_id']) port_res = self._list_ports( 'json', 200, network_id=port1['port']['network_id']) port_list = self.deserialize('json', port_res) self.assertEqual(port_list['ports'][0]['device_id'], constants.DEVICE_ID_RESERVED_DHCP_PORT) def _take_down_agent_and_run_reschedule(self, host): # take down the agent on host A and ensure B is alive self.adminContext.session.begin(subtransactions=True) query = self.adminContext.session.query(agents_db.Agent) agt = query.filter_by(host=host).first() agt.heartbeat_timestamp = ( agt.heartbeat_timestamp - datetime.timedelta(hours=1)) self.adminContext.session.commit() plugin = manager.NeutronManager.get_service_plugins().get( service_constants.L3_ROUTER_NAT) plugin.reschedule_routers_from_down_agents() def _set_agent_admin_state_up(self, host, state): self.adminContext.session.begin(subtransactions=True) query = self.adminContext.session.query(agents_db.Agent) agt_db = query.filter_by(host=host).first() agt_db.admin_state_up = state self.adminContext.session.commit() def test_router_is_not_rescheduled_from_alive_agent(self): with self.router(): l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() # schedule the router to host A l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) with mock.patch('neutron.db.l3_agentschedulers_db.' 'L3AgentSchedulerDbMixin.reschedule_router') as rr: # take down some unrelated agent and run reschedule check self._take_down_agent_and_run_reschedule(DHCP_HOSTC) self.assertFalse(rr.called) def test_router_reschedule_from_dead_agent(self): with self.router(): l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() # schedule the router to host A ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) self._take_down_agent_and_run_reschedule(L3_HOSTA) # B should now pick up the router ret_b = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTB) self.assertEqual(ret_b, ret_a) def test_router_no_reschedule_from_dead_admin_down_agent(self): with self.router() as r: l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() # schedule the router to host A l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) self._set_agent_admin_state_up(L3_HOSTA, False) self._take_down_agent_and_run_reschedule(L3_HOSTA) # A should still have it even though it was inactive due to the # admin_state being down rab = l3_agentschedulers_db.RouterL3AgentBinding binding = (self.adminContext.session.query(rab). filter(rab.router_id == r['router']['id']).first()) self.assertEqual(binding.l3_agent.host, L3_HOSTA) # B should not pick up the router ret_b = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTB) self.assertFalse(ret_b) def test_router_auto_schedule_with_invalid_router(self): with self.router() as router: l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() # deleted router ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=[router['router']['id']]) self.assertFalse(ret_a) # non-existent router ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=[uuidutils.generate_uuid()]) self.assertFalse(ret_a) def test_router_auto_schedule_with_hosted(self): with self.router() as router: l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) ret_b = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTB) l3_agents = self._list_l3_agents_hosting_router( router['router']['id']) self.assertEqual(1, len(ret_a)) self.assertIn(router['router']['id'], [r['id'] for r in ret_a]) self.assertFalse(len(ret_b)) self.assertEqual(1, len(l3_agents['agents'])) self.assertEqual(L3_HOSTA, l3_agents['agents'][0]['host']) def test_router_auto_schedule_restart_l3_agent(self): with self.router(): l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) def test_router_auto_schedule_with_hosted_2(self): # one agent hosts one router l3_rpc_cb = l3_rpc.L3RpcCallback() l3_hosta = { 'binary': 'neutron-l3-agent', 'host': L3_HOSTA, 'topic': 'L3_AGENT', 'configurations': {'use_namespaces': True, 'router_id': None, 'handle_internal_only_routers': True, 'gateway_external_network_id': None, 'interface_driver': 'interface_driver', }, 'agent_type': constants.AGENT_TYPE_L3} l3_hostb = copy.deepcopy(l3_hosta) l3_hostb['host'] = L3_HOSTB with self.router() as router1: self._register_one_agent_state(l3_hosta) l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._disable_agent(hosta_id, admin_state_up=False) with self.router() as router2: self._register_one_agent_state(l3_hostb) l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTB) l3_agents_1 = self._list_l3_agents_hosting_router( router1['router']['id']) l3_agents_2 = self._list_l3_agents_hosting_router( router2['router']['id']) hosta_routers = self._list_routers_hosted_by_l3_agent(hosta_id) num_hosta_routers = len(hosta_routers['routers']) hostb_id = self._get_agent_id( constants.AGENT_TYPE_L3, L3_HOSTB) hostb_routers = self._list_routers_hosted_by_l3_agent(hostb_id) num_hostc_routers = len(hostb_routers['routers']) self.assertEqual(1, num_hosta_routers) self.assertEqual(1, num_hostc_routers) self.assertEqual(1, len(l3_agents_1['agents'])) self.assertEqual(1, len(l3_agents_2['agents'])) self.assertEqual(L3_HOSTA, l3_agents_1['agents'][0]['host']) self.assertEqual(L3_HOSTB, l3_agents_2['agents'][0]['host']) def test_router_auto_schedule_with_disabled(self): with contextlib.nested(self.router(), self.router()): l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) hostb_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTB) self._disable_agent(hosta_id) # first agent will not host router since it is disabled l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) # second agent will host all the routers since first is disabled. l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTB) hostb_routers = self._list_routers_hosted_by_l3_agent(hostb_id) num_hostb_routers = len(hostb_routers['routers']) hosta_routers = self._list_routers_hosted_by_l3_agent(hosta_id) num_hosta_routers = len(hosta_routers['routers']) self.assertEqual(2, num_hostb_routers) self.assertEqual(0, num_hosta_routers) def test_router_auto_schedule_with_candidates(self): l3_hosta = { 'binary': 'neutron-l3-agent', 'host': L3_HOSTA, 'topic': 'L3_AGENT', 'configurations': {'use_namespaces': False, 'router_id': None, 'handle_internal_only_routers': True, 'gateway_external_network_id': None, 'interface_driver': 'interface_driver', }, 'agent_type': constants.AGENT_TYPE_L3} with contextlib.nested(self.router(), self.router()) as (router1, router2): l3_rpc_cb = l3_rpc.L3RpcCallback() l3_hosta['configurations']['router_id'] = router1['router']['id'] self._register_one_agent_state(l3_hosta) hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) hosta_routers = self._list_routers_hosted_by_l3_agent(hosta_id) num_hosta_routers = len(hosta_routers['routers']) l3_agents_1 = self._list_l3_agents_hosting_router( router1['router']['id']) l3_agents_2 = self._list_l3_agents_hosting_router( router2['router']['id']) # L3 agent will host only the compatible router. self.assertEqual(1, num_hosta_routers) self.assertEqual(1, len(l3_agents_1['agents'])) self.assertEqual(0, len(l3_agents_2['agents'])) def test_rpc_sync_routers(self): l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() # No routers ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) self.assertEqual(0, len(ret_a)) with contextlib.nested(self.router(), self.router(), self.router()) as routers: router_ids = [r['router']['id'] for r in routers] # Get all routers ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA) self.assertEqual(3, len(ret_a)) self.assertEqual(set(router_ids), set([r['id'] for r in ret_a])) # Get all routers (router_ids=None) ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=None) self.assertEqual(3, len(ret_a)) self.assertEqual(set(router_ids), set([r['id'] for r in ret_a])) # Get router2 only ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=[router_ids[1]]) self.assertEqual(1, len(ret_a)) self.assertIn(router_ids[1], [r['id'] for r in ret_a]) # Get router1 and router3 ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=[router_ids[0], router_ids[2]]) self.assertEqual(2, len(ret_a)) self.assertIn(router_ids[0], [r['id'] for r in ret_a]) self.assertIn(router_ids[2], [r['id'] for r in ret_a]) def test_router_auto_schedule_for_specified_routers(self): def _sync_router_with_ids(router_ids, exp_synced, exp_hosted, host_id): ret_a = l3_rpc_cb.sync_routers(self.adminContext, host=L3_HOSTA, router_ids=router_ids) self.assertEqual(exp_synced, len(ret_a)) for r in router_ids: self.assertIn(r, [r['id'] for r in ret_a]) host_routers = self._list_routers_hosted_by_l3_agent(host_id) num_host_routers = len(host_routers['routers']) self.assertEqual(exp_hosted, num_host_routers) l3_rpc_cb = l3_rpc.L3RpcCallback() self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) with contextlib.nested(self.router(), self.router(), self.router(), self.router()) as routers: router_ids = [r['router']['id'] for r in routers] # Sync router1 (router1 is scheduled) _sync_router_with_ids([router_ids[0]], 1, 1, hosta_id) # Sync router1 only (no router is scheduled) _sync_router_with_ids([router_ids[0]], 1, 1, hosta_id) # Schedule router2 _sync_router_with_ids([router_ids[1]], 1, 2, hosta_id) # Sync router2 and router4 (router4 is scheduled) _sync_router_with_ids([router_ids[1], router_ids[3]], 2, 3, hosta_id) # Sync all routers (router3 is scheduled) _sync_router_with_ids(router_ids, 4, 4, hosta_id) def test_router_schedule_with_candidates(self): l3_hosta = { 'binary': 'neutron-l3-agent', 'host': L3_HOSTA, 'topic': 'L3_AGENT', 'configurations': {'use_namespaces': False, 'router_id': None, 'handle_internal_only_routers': True, 'gateway_external_network_id': None, 'interface_driver': 'interface_driver', }, 'agent_type': constants.AGENT_TYPE_L3} with contextlib.nested(self.router(), self.router(), self.subnet(), self.subnet(cidr='10.0.3.0/24')) as (router1, router2, subnet1, subnet2): l3_hosta['configurations']['router_id'] = router1['router']['id'] self._register_one_agent_state(l3_hosta) hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._router_interface_action('add', router1['router']['id'], subnet1['subnet']['id'], None) self._router_interface_action('add', router2['router']['id'], subnet2['subnet']['id'], None) hosta_routers = self._list_routers_hosted_by_l3_agent(hosta_id) num_hosta_routers = len(hosta_routers['routers']) l3_agents_1 = self._list_l3_agents_hosting_router( router1['router']['id']) l3_agents_2 = self._list_l3_agents_hosting_router( router2['router']['id']) # safe cleanup self._router_interface_action('remove', router1['router']['id'], subnet1['subnet']['id'], None) self._router_interface_action('remove', router2['router']['id'], subnet2['subnet']['id'], None) # L3 agent will host only the compatible router. self.assertEqual(1, num_hosta_routers) self.assertEqual(1, len(l3_agents_1['agents'])) self.assertEqual(0, len(l3_agents_2['agents'])) def test_router_without_l3_agents(self): with self.subnet() as s: self._set_net_external(s['subnet']['network_id']) data = {'router': {'tenant_id': uuidutils.generate_uuid()}} data['router']['name'] = 'router1' data['router']['external_gateway_info'] = { 'network_id': s['subnet']['network_id']} router_req = self.new_create_request('routers', data, self.fmt) res = router_req.get_response(self.ext_api) router = self.deserialize(self.fmt, res) l3agents = ( self.l3agentscheduler_dbMinxin.get_l3_agents_hosting_routers( self.adminContext, [router['router']['id']])) self._delete('routers', router['router']['id']) self.assertEqual(0, len(l3agents)) def test_router_sync_data(self): with contextlib.nested( self.subnet(), self.subnet(cidr='10.0.2.0/24'), self.subnet(cidr='10.0.3.0/24') ) as (s1, s2, s3): self._register_agent_states() self._set_net_external(s1['subnet']['network_id']) data = {'router': {'tenant_id': uuidutils.generate_uuid()}} data['router']['name'] = 'router1' data['router']['external_gateway_info'] = { 'network_id': s1['subnet']['network_id']} router_req = self.new_create_request('routers', data, self.fmt) res = router_req.get_response(self.ext_api) router = self.deserialize(self.fmt, res) self._router_interface_action('add', router['router']['id'], s2['subnet']['id'], None) self._router_interface_action('add', router['router']['id'], s3['subnet']['id'], None) l3agents = self._list_l3_agents_hosting_router( router['router']['id']) self.assertEqual(1, len(l3agents['agents'])) agents = self._list_agents() another_l3_agent_id = None another_l3_agent_host = None default = l3agents['agents'][0]['id'] for com in agents['agents']: if (com['id'] != default and com['agent_type'] == constants.AGENT_TYPE_L3): another_l3_agent_id = com['id'] another_l3_agent_host = com['host'] break self.assertIsNotNone(another_l3_agent_id) self._add_router_to_l3_agent(another_l3_agent_id, router['router']['id'], expected_code=exc.HTTPConflict.code) self._remove_router_from_l3_agent(default, router['router']['id']) self._add_router_to_l3_agent(another_l3_agent_id, router['router']['id']) l3agents = self._list_l3_agents_hosting_router( router['router']['id']) self.assertEqual(another_l3_agent_host, l3agents['agents'][0]['host']) self._remove_router_from_l3_agent(another_l3_agent_id, router['router']['id']) self._router_interface_action('remove', router['router']['id'], s2['subnet']['id'], None) l3agents = self._list_l3_agents_hosting_router( router['router']['id']) self.assertEqual(1, len(l3agents['agents'])) self._router_interface_action('remove', router['router']['id'], s3['subnet']['id'], None) self._delete('routers', router['router']['id']) def test_router_add_to_l3_agent(self): with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) num_before_add = len( self._list_routers_hosted_by_l3_agent( hosta_id)['routers']) self._add_router_to_l3_agent(hosta_id, router1['router']['id']) hostb_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTB) self._add_router_to_l3_agent(hostb_id, router1['router']['id'], expected_code=exc.HTTPConflict.code) num_after_add = len( self._list_routers_hosted_by_l3_agent( hosta_id)['routers']) self.assertEqual(0, num_before_add) self.assertEqual(1, num_after_add) def test_router_add_to_l3_agent_two_times(self): with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._add_router_to_l3_agent(hosta_id, router1['router']['id']) # scheduling twice on the same agent is fine self._add_router_to_l3_agent(hosta_id, router1['router']['id']) def test_router_add_to_two_l3_agents(self): with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) hostb_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTB) self._add_router_to_l3_agent(hosta_id, router1['router']['id']) self._add_router_to_l3_agent(hostb_id, router1['router']['id'], expected_code=exc.HTTPConflict.code) def test_router_policy(self): with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._list_routers_hosted_by_l3_agent( hosta_id, expected_code=exc.HTTPForbidden.code, admin_context=False) self._add_router_to_l3_agent( hosta_id, router1['router']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) self._add_router_to_l3_agent( hosta_id, router1['router']['id']) self._remove_router_from_l3_agent( hosta_id, router1['router']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) self._list_l3_agents_hosting_router( router1['router']['id'], expected_code=exc.HTTPForbidden.code, admin_context=False) class OvsDhcpAgentNotifierTestCase(test_l3_plugin.L3NatTestCaseMixin, test_agent_ext_plugin.AgentDBTestMixIn, AgentSchedulerTestMixIn, test_plugin.NeutronDbPluginV2TestCase): plugin_str = 'neutron.plugins.ml2.plugin.Ml2Plugin' def setUp(self): # Save the global RESOURCE_ATTRIBUTE_MAP before loading plugin self.saved_attr_map = {} for resource, attrs in attributes.RESOURCE_ATTRIBUTE_MAP.iteritems(): self.saved_attr_map[resource] = attrs.copy() super(OvsDhcpAgentNotifierTestCase, self).setUp(self.plugin_str) # the notifier is used to get access to make_msg() method only self.dhcp_notifier = dhcp_rpc_agent_api.DhcpAgentNotifyAPI() self.dhcp_notifier_cast = mock.patch( 'neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.' 'DhcpAgentNotifyAPI.cast').start() ext_mgr = extensions.PluginAwareExtensionManager.get_instance() self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr) self.adminContext = context.get_admin_context() # Add the resources to the global attribute map # This is done here as the setup process won't # initialize the main API router which extends # the global attribute map attributes.RESOURCE_ATTRIBUTE_MAP.update( agent.RESOURCE_ATTRIBUTE_MAP) self.addCleanup(self.restore_attribute_map) fake_notifier.reset() def restore_attribute_map(self): # Restore the original RESOURCE_ATTRIBUTE_MAP attributes.RESOURCE_ATTRIBUTE_MAP = self.saved_attr_map def test_network_add_to_dhcp_agent_notification(self): with self.network() as net1: network_id = net1['network']['id'] self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) self._add_network_to_dhcp_agent(hosta_id, network_id) self.dhcp_notifier_cast.assert_called_with( mock.ANY, self.dhcp_notifier.make_msg( 'network_create_end', payload={'network': {'id': network_id}}), topic='dhcp_agent.' + DHCP_HOSTA) notifications = fake_notifier.NOTIFICATIONS expected_event_type = 'dhcp_agent.network.add' self._assert_notify(notifications, expected_event_type) def test_network_remove_from_dhcp_agent_notification(self): with self.network() as net1: network_id = net1['network']['id'] self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) self._add_network_to_dhcp_agent(hosta_id, network_id) self._remove_network_from_dhcp_agent(hosta_id, network_id) self.dhcp_notifier_cast.assert_called_with( mock.ANY, self.dhcp_notifier.make_msg( 'network_delete_end', payload={'network_id': network_id}), topic='dhcp_agent.' + DHCP_HOSTA) notifications = fake_notifier.NOTIFICATIONS expected_event_type = 'dhcp_agent.network.remove' self._assert_notify(notifications, expected_event_type) def test_agent_updated_dhcp_agent_notification(self): self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_DHCP, DHCP_HOSTA) self._disable_agent(hosta_id, admin_state_up=False) self.dhcp_notifier_cast.assert_called_with( mock.ANY, self.dhcp_notifier.make_msg( 'agent_updated', payload={'admin_state_up': False}), topic='dhcp_agent.' + DHCP_HOSTA) def _network_port_create( self, hosts, gateway=attributes.ATTR_NOT_SPECIFIED, owner=None): for host in hosts: self._register_one_agent_state( {'binary': 'neutron-dhcp-agent', 'host': host, 'topic': 'dhcp_agent', 'configurations': {'dhcp_driver': 'dhcp_driver', 'use_namespaces': True, }, 'agent_type': constants.AGENT_TYPE_DHCP}) with self.network() as net1: with self.subnet(network=net1, gateway_ip=gateway) as subnet1: if owner: with self.port(subnet=subnet1, device_owner=owner) as port: return [net1, subnet1, port] else: with self.port(subnet=subnet1) as port: return [net1, subnet1, port] def _notification_mocks(self, hosts, net, subnet, port): host_calls = {} for host in hosts: expected_calls = [ mock.call( mock.ANY, self.dhcp_notifier.make_msg( 'network_create_end', payload={'network': {'id': net['network']['id']}}), topic='dhcp_agent.' + host), mock.call( mock.ANY, self.dhcp_notifier.make_msg( 'port_create_end', payload={'port': port['port']}), topic='dhcp_agent.' + host)] host_calls[host] = expected_calls return host_calls def test_network_port_create_notification(self): hosts = [DHCP_HOSTA] net, subnet, port = self._network_port_create(hosts) expected_calls = self._notification_mocks(hosts, net, subnet, port) self.assertEqual( expected_calls[DHCP_HOSTA], self.dhcp_notifier_cast.call_args_list) def test_network_ha_port_create_notification(self): cfg.CONF.set_override('dhcp_agents_per_network', 2) hosts = [DHCP_HOSTA, DHCP_HOSTC] net, subnet, port = self._network_port_create(hosts) expected_calls = self._notification_mocks(hosts, net, subnet, port) for expected in expected_calls[DHCP_HOSTA]: self.assertIn(expected, self.dhcp_notifier_cast.call_args_list) for expected in expected_calls[DHCP_HOSTC]: self.assertIn(expected, self.dhcp_notifier_cast.call_args_list) def _is_schedule_network_called(self, device_id): plugin = manager.NeutronManager.get_plugin() notifier = plugin.agent_notifiers[constants.AGENT_TYPE_DHCP] with contextlib.nested( self.subnet(), mock.patch.object(plugin, 'get_dhcp_agents_hosting_networks', return_value=[]), mock.patch.object(notifier, '_schedule_network', return_value=[]) ) as (subnet, _, mock_sched): with self.port(subnet=subnet, device_id=device_id): return mock_sched.called def test_reserved_dhcp_port_creation(self): device_id = constants.DEVICE_ID_RESERVED_DHCP_PORT self.assertFalse(self._is_schedule_network_called(device_id)) def test_unreserved_dhcp_port_creation(self): device_id = 'not_reserved' self.assertTrue(self._is_schedule_network_called(device_id)) class OvsL3AgentNotifierTestCase(test_l3_plugin.L3NatTestCaseMixin, test_agent_ext_plugin.AgentDBTestMixIn, AgentSchedulerTestMixIn, test_plugin.NeutronDbPluginV2TestCase): plugin_str = 'neutron.plugins.ml2.plugin.Ml2Plugin' l3_plugin = ('neutron.tests.unit.test_l3_plugin.' 'TestL3NatAgentSchedulingServicePlugin') def setUp(self): self.dhcp_notifier_cls_p = mock.patch( 'neutron.api.rpc.agentnotifiers.dhcp_rpc_agent_api.' 'DhcpAgentNotifyAPI') self.dhcp_notifier = mock.Mock(name='dhcp_notifier') self.dhcp_notifier_cls = self.dhcp_notifier_cls_p.start() self.dhcp_notifier_cls.return_value = self.dhcp_notifier # Save the global RESOURCE_ATTRIBUTE_MAP self.saved_attr_map = {} for resource, attrs in attributes.RESOURCE_ATTRIBUTE_MAP.iteritems(): self.saved_attr_map[resource] = attrs.copy() if self.l3_plugin: service_plugins = {'l3_plugin_name': self.l3_plugin} else: service_plugins = None super(OvsL3AgentNotifierTestCase, self).setUp( self.plugin_str, service_plugins=service_plugins) ext_mgr = extensions.PluginAwareExtensionManager.get_instance() self.ext_api = test_extensions.setup_extensions_middleware(ext_mgr) self.adminContext = context.get_admin_context() # Add the resources to the global attribute map # This is done here as the setup process won't # initialize the main API router which extends # the global attribute map attributes.RESOURCE_ATTRIBUTE_MAP.update( agent.RESOURCE_ATTRIBUTE_MAP) self.addCleanup(self.restore_attribute_map) fake_notifier.reset() def restore_attribute_map(self): # Restore the original RESOURCE_ATTRIBUTE_MAP attributes.RESOURCE_ATTRIBUTE_MAP = self.saved_attr_map def test_router_add_to_l3_agent_notification(self): l3_plugin = (manager.NeutronManager.get_service_plugins() [service_constants.L3_ROUTER_NAT]) l3_notifier = l3_plugin.agent_notifiers[constants.AGENT_TYPE_L3] with mock.patch.object(l3_notifier, 'cast') as mock_l3: with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._add_router_to_l3_agent(hosta_id, router1['router']['id']) routers = [router1['router']['id']] mock_l3.assert_called_with( mock.ANY, l3_notifier.make_msg( 'router_added_to_agent', payload=routers), topic='l3_agent.hosta') notifications = fake_notifier.NOTIFICATIONS expected_event_type = 'l3_agent.router.add' self._assert_notify(notifications, expected_event_type) def test_router_remove_from_l3_agent_notification(self): l3_plugin = (manager.NeutronManager.get_service_plugins() [service_constants.L3_ROUTER_NAT]) l3_notifier = l3_plugin.agent_notifiers[constants.AGENT_TYPE_L3] with mock.patch.object(l3_notifier, 'cast') as mock_l3: with self.router() as router1: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._add_router_to_l3_agent(hosta_id, router1['router']['id']) self._remove_router_from_l3_agent(hosta_id, router1['router']['id']) mock_l3.assert_called_with( mock.ANY, l3_notifier.make_msg( 'router_removed_from_agent', payload={'router_id': router1['router']['id']}), topic='l3_agent.hosta') notifications = fake_notifier.NOTIFICATIONS expected_event_type = 'l3_agent.router.remove' self._assert_notify(notifications, expected_event_type) def test_agent_updated_l3_agent_notification(self): l3_plugin = (manager.NeutronManager.get_service_plugins() [service_constants.L3_ROUTER_NAT]) l3_notifier = l3_plugin.agent_notifiers[constants.AGENT_TYPE_L3] with mock.patch.object(l3_notifier, 'cast') as mock_l3: self._register_agent_states() hosta_id = self._get_agent_id(constants.AGENT_TYPE_L3, L3_HOSTA) self._disable_agent(hosta_id, admin_state_up=False) mock_l3.assert_called_with( mock.ANY, l3_notifier.make_msg( 'agent_updated', payload={'admin_state_up': False}), topic='l3_agent.hosta') class OvsAgentSchedulerTestCaseXML(OvsAgentSchedulerTestCase): fmt = 'xml'