889 lines
40 KiB
Python
889 lines
40 KiB
Python
# Copyright (c) 2015 OpenStack Foundation
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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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import mock
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from neutron_lib.api.definitions import portbindings
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from neutron_lib import constants as lib_constants
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from oslo_config import cfg
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from oslo_log import log
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from oslo_utils import uuidutils
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from neutron.agent.l3 import agent as l3_agent
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from neutron.agent.l3 import dvr_edge_ha_router as dvr_edge_ha_rtr
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from neutron.agent.l3 import dvr_edge_router as dvr_edge_rtr
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from neutron.agent.l3 import dvr_local_router as dvr_router
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from neutron.agent.l3 import link_local_allocator as lla
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from neutron.agent.l3 import router_info
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from neutron.agent.linux import interface
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from neutron.agent.linux import ip_lib
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from neutron.common import constants as n_const
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from neutron.common import utils as common_utils
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from neutron.conf.agent import common as agent_config
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from neutron.conf.agent.l3 import config as l3_config
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from neutron.conf.agent.l3 import ha as ha_conf
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from neutron.conf import common as base_config
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from neutron.tests import base
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from neutron.tests.common import l3_test_common
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_uuid = uuidutils.generate_uuid
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FIP_PRI = 32768
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HOSTNAME = 'myhost'
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class TestDvrRouterOperations(base.BaseTestCase):
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def setUp(self):
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super(TestDvrRouterOperations, self).setUp()
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mock.patch('eventlet.spawn').start()
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self.conf = agent_config.setup_conf()
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self.conf.register_opts(base_config.core_opts)
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log.register_options(self.conf)
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self.conf.register_opts(agent_config.AGENT_STATE_OPTS, 'AGENT')
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l3_config.register_l3_agent_config_opts(l3_config.OPTS, self.conf)
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ha_conf.register_l3_agent_ha_opts(self.conf)
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agent_config.register_interface_driver_opts_helper(self.conf)
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agent_config.register_process_monitor_opts(self.conf)
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agent_config.register_interface_opts(self.conf)
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agent_config.register_external_process_opts(self.conf)
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self.conf.set_override('interface_driver',
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'neutron.agent.linux.interface.NullDriver')
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self.conf.set_override('state_path', cfg.CONF.state_path)
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self.device_exists_p = mock.patch(
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'neutron.agent.linux.ip_lib.device_exists')
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self.device_exists = self.device_exists_p.start()
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self.ensure_dir = mock.patch(
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'oslo_utils.fileutils.ensure_tree').start()
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mock.patch('neutron.agent.linux.keepalived.KeepalivedManager'
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'.get_full_config_file_path').start()
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self.utils_exec_p = mock.patch(
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'neutron.agent.linux.utils.execute')
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self.utils_exec = self.utils_exec_p.start()
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self.utils_replace_file_p = mock.patch(
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'neutron_lib.utils.file.replace_file')
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self.utils_replace_file = self.utils_replace_file_p.start()
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self.external_process_p = mock.patch(
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'neutron.agent.linux.external_process.ProcessManager')
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self.external_process = self.external_process_p.start()
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self.process_monitor = mock.patch(
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'neutron.agent.linux.external_process.ProcessMonitor').start()
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self.send_adv_notif_p = mock.patch(
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'neutron.agent.linux.ip_lib.send_ip_addr_adv_notif')
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self.send_adv_notif = self.send_adv_notif_p.start()
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self.dvr_cls_p = mock.patch('neutron.agent.linux.interface.NullDriver')
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driver_cls = self.dvr_cls_p.start()
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self.mock_driver = mock.MagicMock()
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self.mock_driver.DEV_NAME_LEN = (
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interface.LinuxInterfaceDriver.DEV_NAME_LEN)
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driver_cls.return_value = self.mock_driver
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self.ip_cls_p = mock.patch('neutron.agent.linux.ip_lib.IPWrapper')
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ip_cls = self.ip_cls_p.start()
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self.mock_ip = mock.MagicMock()
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ip_cls.return_value = self.mock_ip
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self.mock_delete_ip_rule = mock.patch.object(ip_lib,
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'delete_ip_rule').start()
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ip_dev = mock.patch('neutron.agent.linux.ip_lib.IPDevice').start()
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self.mock_ip_dev = mock.MagicMock()
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ip_dev.return_value = self.mock_ip_dev
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self.l3pluginApi_cls_p = mock.patch(
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'neutron.agent.l3.agent.L3PluginApi')
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l3pluginApi_cls = self.l3pluginApi_cls_p.start()
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self.plugin_api = mock.MagicMock()
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l3pluginApi_cls.return_value = self.plugin_api
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self.looping_call_p = mock.patch(
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'oslo_service.loopingcall.FixedIntervalLoopingCall')
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self.looping_call_p.start()
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subnet_id_1 = _uuid()
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subnet_id_2 = _uuid()
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self.snat_ports = [{'subnets': [{'cidr': '152.2.0.0/16',
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'gateway_ip': '152.2.0.1',
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'id': subnet_id_1}],
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'network_id': _uuid(),
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'device_owner':
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lib_constants.DEVICE_OWNER_ROUTER_SNAT,
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'mac_address': 'fa:16:3e:80:8d:80',
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'fixed_ips': [{'subnet_id': subnet_id_1,
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'ip_address': '152.2.0.13',
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'prefixlen': 16}],
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'id': _uuid(), 'device_id': _uuid()},
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{'subnets': [{'cidr': '152.10.0.0/16',
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'gateway_ip': '152.10.0.1',
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'id': subnet_id_2}],
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'network_id': _uuid(),
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'device_owner':
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lib_constants.DEVICE_OWNER_ROUTER_SNAT,
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'mac_address': 'fa:16:3e:80:8d:80',
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'fixed_ips': [{'subnet_id': subnet_id_2,
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'ip_address': '152.10.0.13',
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'prefixlen': 16}],
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'id': _uuid(), 'device_id': _uuid()}]
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self.ri_kwargs = {'agent_conf': self.conf,
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'interface_driver': self.mock_driver}
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def _create_router(self, router=None, **kwargs):
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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self.router_id = _uuid()
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if not router:
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router = mock.MagicMock()
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kwargs['agent'] = agent
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kwargs['router_id'] = self.router_id
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kwargs['router'] = router
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kwargs['agent_conf'] = self.conf
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kwargs['interface_driver'] = mock.Mock()
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return dvr_router.DvrLocalRouter(HOSTNAME, **kwargs)
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def _set_ri_kwargs(self, agent, router_id, router):
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self.ri_kwargs['agent'] = agent
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self.ri_kwargs['router_id'] = router_id
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self.ri_kwargs['router'] = router
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def test_gw_ns_name(self):
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ri = self._create_router()
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self.assertEqual(ri.ns_name, ri.get_gw_ns_name())
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def test_create_dvr_fip_interfaces_update(self):
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ri = self._create_router()
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fip_agent_port = {'subnets': []}
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ri.get_floating_agent_gw_interface = mock.Mock(
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return_value=fip_agent_port)
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ri.get_floating_ips = mock.Mock(return_value=True)
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ri.fip_ns = mock.Mock()
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ri.fip_ns.subscribe.return_value = False
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ri.rtr_fip_connect = True
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ex_gw_port = {'network_id': 'fake_net_id'}
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ri.create_dvr_external_gateway_on_agent(ex_gw_port)
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ri.fip_ns.create_or_update_gateway_port.assert_called_once_with(
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fip_agent_port)
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def test_create_dvr_fip_interfaces_with_matching_address_scope(self):
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self._setup_create_dvr_fip_interfaces_for_setting_routing_rules(
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address_scopes_match=True)
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def test_create_dvr_fip_interfaces_with_address_scope_mismatch(self):
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self._setup_create_dvr_fip_interfaces_for_setting_routing_rules()
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def _setup_create_dvr_fip_interfaces_for_setting_routing_rules(
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self, address_scopes_match=False):
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ri = self._create_router()
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ri.get_floating_agent_gw_interface = mock.Mock()
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ri.fip_ns = mock.Mock()
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ri._add_interface_routing_rule_to_router_ns = mock.Mock()
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ri._add_interface_route_to_fip_ns = mock.Mock()
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ri.fip_ns._create_rtr_2_fip_link = mock.Mock()
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ri.internal_ports = ['moke_port_1', 'moke_port_2']
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if address_scopes_match:
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ri._check_if_address_scopes_match = mock.Mock(
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return_value=True)
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else:
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ri._check_if_address_scopes_match = mock.Mock(
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return_value=False)
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ri.rtr_fip_connect = False
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ex_gw_port = {'network_id': 'fake_net_id'}
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ri.create_dvr_external_gateway_on_agent(ex_gw_port)
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ri._check_rtr_2_fip_connect = mock.Mock()
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ri.connect_rtr_2_fip()
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self.assertTrue(ri._check_if_address_scopes_match.called)
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if address_scopes_match:
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self.assertTrue(
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ri.fip_ns.create_rtr_2_fip_link.called)
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self.assertTrue(
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ri._add_interface_routing_rule_to_router_ns.called)
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self.assertTrue(
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ri._add_interface_route_to_fip_ns.called)
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else:
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self.assertFalse(
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ri._add_interface_routing_rule_to_router_ns.called)
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self.assertFalse(
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ri._add_interface_route_to_fip_ns.called)
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self.assertTrue(
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ri.fip_ns.create_rtr_2_fip_link.called)
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def test_get_floating_ips_dvr(self):
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router = mock.MagicMock()
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router.get.return_value = [{'host': HOSTNAME},
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{'host': mock.sentinel.otherhost}]
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ri = self._create_router(router)
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fips = ri.get_floating_ips()
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self.assertEqual(
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[{'host': HOSTNAME}, {'host': mock.sentinel.otherhost}], fips)
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def test_floating_forward_rules_no_fip_ns(self):
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router = mock.MagicMock()
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router.get.return_value = [{'host': HOSTNAME},
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{'host': mock.sentinel.otherhost}]
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fip = {'id': _uuid()}
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ri = self._create_router(router)
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self.assertFalse(ri.floating_forward_rules(fip))
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def test_floating_forward_rules(self):
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router = mock.MagicMock()
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router.get.return_value = [{'host': HOSTNAME},
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{'host': mock.sentinel.otherhost}]
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ri = self._create_router(router)
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floating_ip = '15.1.2.3'
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rtr_2_fip_name = 'fake_router'
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fixed_ip = '192.168.0.1'
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fip = {'id': _uuid(),
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'fixed_ip_address': '192.168.0.1',
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'floating_ip_address': '15.1.2.3'}
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instance = mock.Mock()
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instance.get_rtr_ext_device_name = mock.Mock(
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return_value=rtr_2_fip_name)
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ri.fip_ns = instance
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dnat_from_floatingip_to_fixedip = (
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'PREROUTING', '-d %s/32 -i %s -j DNAT --to-destination %s' % (
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floating_ip, rtr_2_fip_name, fixed_ip))
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snat_from_fixedip_to_floatingip = (
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'float-snat', '-s %s/32 -j SNAT --to-source %s' % (
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fixed_ip, floating_ip))
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actual = ri.floating_forward_rules(fip)
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expected = [dnat_from_floatingip_to_fixedip,
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snat_from_fixedip_to_floatingip]
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self.assertEqual(expected, actual)
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def test_floating_mangle_rules_no_fip_ns(self):
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router = mock.MagicMock()
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router.get.return_value = [{'host': HOSTNAME},
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{'host': mock.sentinel.otherhost}]
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ri = self._create_router(router)
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floating_ip = mock.Mock()
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fixed_ip = mock.Mock()
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internal_mark = mock.Mock()
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self.assertFalse(ri.floating_mangle_rules(floating_ip, fixed_ip,
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internal_mark))
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def test_floating_mangle_rules(self):
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router = mock.MagicMock()
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router.get.return_value = [{'host': HOSTNAME},
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{'host': mock.sentinel.otherhost}]
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ri = self._create_router(router)
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floating_ip = '15.1.2.3'
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fixed_ip = '192.168.0.1'
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internal_mark = 'fake_mark'
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rtr_2_fip_name = 'fake_router'
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instance = mock.Mock()
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instance.get_rtr_ext_device_name = mock.Mock(
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return_value=rtr_2_fip_name)
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ri.fip_ns = instance
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mark_traffic_to_floating_ip = (
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'floatingip', '-d %s/32 -i %s -j MARK --set-xmark %s' % (
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floating_ip, rtr_2_fip_name, internal_mark))
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mark_traffic_from_fixed_ip = (
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'FORWARD', '-s %s/32 -j $float-snat' % fixed_ip)
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actual = ri.floating_mangle_rules(floating_ip, fixed_ip, internal_mark)
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expected = [mark_traffic_to_floating_ip, mark_traffic_from_fixed_ip]
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self.assertEqual(expected, actual)
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@mock.patch.object(ip_lib, 'send_ip_addr_adv_notif')
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@mock.patch.object(ip_lib, 'IPDevice')
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@mock.patch.object(ip_lib, 'add_ip_rule')
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def test_floating_ip_added_dist(self, mock_add_ip_rule, mIPDevice,
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mock_adv_notif):
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router = mock.MagicMock()
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ri = self._create_router(router)
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ri.ex_gw_port = ri.router['gw_port']
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ext_net_id = _uuid()
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subnet_id = _uuid()
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agent_gw_port = {'fixed_ips': [{'ip_address': '20.0.0.30',
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'prefixlen': 24,
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'subnet_id': subnet_id}],
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'subnets': [{'id': subnet_id,
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'cidr': '20.0.0.0/24',
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'gateway_ip': '20.0.0.1'}],
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'id': _uuid(),
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'network_id': ext_net_id,
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'mac_address': 'ca:fe:de:ad:be:ef'}
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fip = {'id': _uuid(),
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'host': HOSTNAME,
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'floating_ip_address': '15.1.2.3',
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'fixed_ip_address': '192.168.0.1',
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'floating_network_id': ext_net_id,
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'port_id': _uuid()}
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ri.fip_ns = mock.Mock()
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ri.fip_ns.agent_gateway_port = agent_gw_port
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ri.create_dvr_external_gateway_on_agent(ri.ex_gw_port)
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ri._check_rtr_2_fip_connect = mock.Mock()
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ri.connect_rtr_2_fip()
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self.assertTrue(ri.rtr_fip_connect)
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ri.fip_ns.allocate_rule_priority.return_value = FIP_PRI
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subnet = lla.LinkLocalAddressPair('169.254.30.42/31')
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ri.rtr_fip_subnet = subnet
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ri.fip_ns.local_subnets = mock.Mock()
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ri.fip_ns.local_subnets.allocate.return_value = subnet
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ip_cidr = common_utils.ip_to_cidr(fip['floating_ip_address'])
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ri.floating_ip_added_dist(fip, ip_cidr)
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mock_add_ip_rule.assert_called_with(
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namespace=ri.router_namespace.name, ip='192.168.0.1',
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table=16, priority=FIP_PRI)
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ri.fip_ns.local_subnets.allocate.assert_not_called()
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# Validate that fip_ns.local_subnets is called when
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# ri.rtr_fip_subnet is None
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ri.rtr_fip_subnet = None
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ri.floating_ip_added_dist(fip, ip_cidr)
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mock_add_ip_rule.assert_called_with(
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namespace=ri.router_namespace.name, ip='192.168.0.1',
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table=16, priority=FIP_PRI)
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ri.fip_ns.local_subnets.allocate.assert_called_once_with(ri.router_id)
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# TODO(mrsmith): add more asserts
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@mock.patch.object(ip_lib, 'IPWrapper')
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@mock.patch.object(ip_lib, 'IPDevice')
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def test_floating_ip_removed_dist(self, mIPDevice, mIPWrapper):
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router = mock.MagicMock()
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ri = self._create_router(router)
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ri.ex_gw_port = ri.router['gw_port']
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subnet_id = _uuid()
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fixed_ip = '20.0.0.30'
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agent_gw_port = {'fixed_ips': [{'ip_address': fixed_ip,
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'prefixlen': 24,
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'subnet_id': subnet_id}],
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'subnets': [{'id': subnet_id,
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'cidr': '20.0.0.0/24',
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'gateway_ip': '20.0.0.1'}],
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'id': _uuid(),
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'network_id': _uuid(),
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'mac_address': 'ca:fe:de:ad:be:ef'}
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fip_cidr = '11.22.33.44/24'
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ri.fip_ns = mock.Mock()
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ri.fip_ns.get_name.return_value = 'fip_ns_name'
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ri.floating_ips_dict['11.22.33.44'] = (fixed_ip, FIP_PRI)
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ri.fip_2_rtr = '11.22.33.42'
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ri.rtr_2_fip = '11.22.33.40'
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ri.fip_ns.agent_gateway_port = agent_gw_port
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s = lla.LinkLocalAddressPair('169.254.30.42/31')
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ri.rtr_fip_subnet = s
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ri.fip_ns.local_subnets = mock.Mock()
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ri.floating_ip_removed_dist(fip_cidr)
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self.mock_delete_ip_rule.assert_called_with(
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ri.router_namespace.name, ip=fixed_ip, table=16, priority=FIP_PRI)
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mIPDevice().route.delete_route.assert_called_with(fip_cidr, str(s.ip))
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ri.fip_ns.local_subnets.allocate.assert_not_called()
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@mock.patch.object(ip_lib, 'add_ip_rule')
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def test_floating_ip_moved_dist(self, mock_add_ip_rule):
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router = mock.MagicMock()
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ri = self._create_router(router)
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floating_ip_address = '15.1.2.3'
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fixed_ip = '192.168.0.1'
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fip = {'floating_ip_address': floating_ip_address,
|
|
'fixed_ip_address': fixed_ip}
|
|
ri.floating_ips_dict['15.1.2.3'] = (fixed_ip, FIP_PRI)
|
|
ri.fip_ns = mock.Mock()
|
|
ri.fip_ns.allocate_rule_priority.return_value = FIP_PRI
|
|
ri.floating_ip_moved_dist(fip)
|
|
|
|
self.mock_delete_ip_rule.assert_called_once_with(
|
|
ri.router_namespace.name, ip=fixed_ip, table=16, priority=FIP_PRI)
|
|
ri.fip_ns.deallocate_rule_priority.assert_called_once_with(
|
|
floating_ip_address)
|
|
ri.fip_ns.allocate_rule_priority.assert_called_once_with(
|
|
floating_ip_address)
|
|
mock_add_ip_rule.assert_called_with(
|
|
namespace=ri.router_namespace.name, ip=fixed_ip,
|
|
table=16, priority=FIP_PRI)
|
|
|
|
def _test_add_floating_ip(self, ri, fip, is_failure=False):
|
|
if not is_failure:
|
|
ri.floating_ip_added_dist = mock.Mock(
|
|
return_value=lib_constants.FLOATINGIP_STATUS_ACTIVE)
|
|
else:
|
|
ri.floating_ip_added_dist = mock.Mock(
|
|
return_value=lib_constants.FLOATINGIP_STATUS_ERROR)
|
|
result = ri.add_floating_ip(fip,
|
|
mock.sentinel.interface_name,
|
|
mock.sentinel.device)
|
|
ri.floating_ip_added_dist.assert_called_once_with(
|
|
fip, mock.ANY)
|
|
return result
|
|
|
|
def test_add_floating_ip(self):
|
|
ri = self._create_router(mock.MagicMock())
|
|
ip = '15.1.2.3'
|
|
fip = {'floating_ip_address': ip}
|
|
result = self._test_add_floating_ip(ri, fip)
|
|
ri.floating_ip_added_dist.assert_called_once_with(fip, ip + '/32')
|
|
self.assertEqual(lib_constants.FLOATINGIP_STATUS_ACTIVE, result)
|
|
|
|
def test_add_floating_ip_failure(self):
|
|
ri = self._create_router(mock.MagicMock())
|
|
ip = '15.1.2.3'
|
|
fip = {'floating_ip_address': ip}
|
|
result = self._test_add_floating_ip(ri, fip, True)
|
|
ri.floating_ip_added_dist.assert_called_once_with(fip, ip + '/32')
|
|
self.assertEqual(lib_constants.FLOATINGIP_STATUS_ERROR, result)
|
|
|
|
@mock.patch.object(router_info.RouterInfo, 'remove_floating_ip')
|
|
def test_remove_floating_ip(self, super_remove_floating_ip):
|
|
ri = self._create_router(mock.MagicMock())
|
|
ri.floating_ip_removed_dist = mock.Mock()
|
|
|
|
ri.remove_floating_ip(mock.sentinel.device, mock.sentinel.ip_cidr)
|
|
|
|
self.assertFalse(super_remove_floating_ip.called)
|
|
ri.floating_ip_removed_dist.assert_called_once_with(
|
|
mock.sentinel.ip_cidr)
|
|
|
|
def test__get_internal_port(self):
|
|
ri = self._create_router()
|
|
port = {'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}
|
|
router_ports = [port]
|
|
ri.router.get.return_value = router_ports
|
|
self.assertEqual(port, ri._get_internal_port(mock.sentinel.subnet_id))
|
|
|
|
def test__get_internal_port_not_found(self):
|
|
ri = self._create_router()
|
|
port = {'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}
|
|
router_ports = [port]
|
|
ri.router.get.return_value = router_ports
|
|
self.assertIsNone(ri._get_internal_port(mock.sentinel.subnet_id2))
|
|
|
|
def test__get_snat_idx_ipv4(self):
|
|
ip_cidr = '101.12.13.00/24'
|
|
ri = self._create_router(mock.MagicMock())
|
|
snat_idx = ri._get_snat_idx(ip_cidr)
|
|
# 0x650C0D00 is numerical value of 101.12.13.00
|
|
self.assertEqual(0x650C0D00, snat_idx)
|
|
|
|
def test__get_snat_idx_ipv6(self):
|
|
ip_cidr = '2620:0:a03:e100::/64'
|
|
ri = self._create_router(mock.MagicMock())
|
|
snat_idx = ri._get_snat_idx(ip_cidr)
|
|
# 0x3D345705 is 30 bit xor folded crc32 of the ip_cidr
|
|
self.assertEqual(0x3D345705, snat_idx)
|
|
|
|
def test__get_snat_idx_ipv6_below_32768(self):
|
|
ip_cidr = 'd488::/30'
|
|
# crc32 of this ip_cidr is 0x1BD7
|
|
ri = self._create_router(mock.MagicMock())
|
|
snat_idx = ri._get_snat_idx(ip_cidr)
|
|
# 0x1BD7 + 0x3FFFFFFF = 0x40001BD6
|
|
self.assertEqual(0x40001BD6, snat_idx)
|
|
|
|
def test__set_subnet_arp_info(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
ports = ri.router.get(lib_constants.INTERFACE_KEY, [])
|
|
subnet_id = l3_test_common.get_subnet_id(ports[0])
|
|
test_ports = [{'mac_address': '00:11:22:33:44:55',
|
|
'device_owner': lib_constants.DEVICE_OWNER_DHCP,
|
|
'fixed_ips': [{'ip_address': '1.2.3.4',
|
|
'prefixlen': 24,
|
|
'subnet_id': subnet_id}]},
|
|
{'mac_address': '11:22:33:44:55:66',
|
|
'device_owner': lib_constants.DEVICE_OWNER_LOADBALANCER,
|
|
'fixed_ips': [{'ip_address': '1.2.3.5',
|
|
'prefixlen': 24,
|
|
'subnet_id': subnet_id}]},
|
|
{'mac_address': '22:33:44:55:66:77',
|
|
'device_owner':
|
|
lib_constants.DEVICE_OWNER_LOADBALANCERV2,
|
|
'fixed_ips': [{'ip_address': '1.2.3.6',
|
|
'prefixlen': 24,
|
|
'subnet_id': subnet_id}]}]
|
|
|
|
self.plugin_api.get_ports_by_subnet.return_value = test_ports
|
|
|
|
# Test basic case
|
|
ports[0]['subnets'] = [{'id': subnet_id,
|
|
'cidr': '1.2.3.0/24'}]
|
|
with mock.patch.object(ri,
|
|
'_process_arp_cache_for_internal_port') as parp:
|
|
ri._set_subnet_arp_info(subnet_id)
|
|
self.assertEqual(1, parp.call_count)
|
|
self.mock_ip_dev.neigh.add.assert_called_once_with(
|
|
'1.2.3.4', '00:11:22:33:44:55')
|
|
|
|
# Test negative case
|
|
router['distributed'] = False
|
|
ri._set_subnet_arp_info(subnet_id)
|
|
self.mock_ip_dev.neigh.add.never_called()
|
|
|
|
def test_add_arp_entry(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
subnet_id = l3_test_common.get_subnet_id(
|
|
router[lib_constants.INTERFACE_KEY][0])
|
|
arp_table = {'ip_address': '1.7.23.11',
|
|
'mac_address': '00:11:22:33:44:55',
|
|
'subnet_id': subnet_id}
|
|
|
|
payload = {'arp_table': arp_table, 'router_id': router['id']}
|
|
agent._router_added(router['id'], router)
|
|
agent.add_arp_entry(None, payload)
|
|
agent.router_deleted(None, router['id'])
|
|
self.mock_ip_dev.neigh.add.assert_called_once_with(
|
|
'1.7.23.11', '00:11:22:33:44:55')
|
|
|
|
def test_add_arp_entry_no_routerinfo(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
subnet_id = l3_test_common.get_subnet_id(
|
|
router[lib_constants.INTERFACE_KEY][0])
|
|
arp_table = {'ip_address': '1.7.23.11',
|
|
'mac_address': '00:11:22:33:44:55',
|
|
'subnet_id': subnet_id}
|
|
|
|
payload = {'arp_table': arp_table, 'router_id': router['id']}
|
|
agent.add_arp_entry(None, payload)
|
|
|
|
def test__update_arp_entry_with_no_subnet(self):
|
|
self._set_ri_kwargs(mock.sentinel.agent,
|
|
'foo_router_id',
|
|
{'distributed': True, 'gw_port_host': HOSTNAME})
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
with mock.patch.object(l3_agent.ip_lib, 'IPDevice') as f:
|
|
ri._update_arp_entry(mock.ANY, mock.ANY, 'foo_subnet_id', 'add')
|
|
self.assertFalse(f.call_count)
|
|
|
|
def _setup_test_for_arp_entry_cache(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
subnet_id = l3_test_common.get_subnet_id(
|
|
ri.router[lib_constants.INTERFACE_KEY][0])
|
|
return ri, subnet_id
|
|
|
|
def test__update_arp_entry_calls_arp_cache_with_no_device(self):
|
|
ri, subnet_id = self._setup_test_for_arp_entry_cache()
|
|
state = True
|
|
with mock.patch.object(l3_agent.ip_lib, 'IPDevice') as rtrdev,\
|
|
mock.patch.object(ri, '_cache_arp_entry') as arp_cache:
|
|
rtrdev.return_value.exists.return_value = False
|
|
state = ri._update_arp_entry(
|
|
mock.ANY, mock.ANY, subnet_id, 'add')
|
|
self.assertFalse(state)
|
|
self.assertTrue(arp_cache.called)
|
|
arp_cache.assert_called_once_with(mock.ANY, mock.ANY,
|
|
subnet_id, 'add')
|
|
self.assertFalse(rtrdev.neigh.add.called)
|
|
|
|
def test__process_arp_cache_for_internal_port(self):
|
|
ri, subnet_id = self._setup_test_for_arp_entry_cache()
|
|
ri._cache_arp_entry('1.7.23.11', '00:11:22:33:44:55',
|
|
subnet_id, 'add')
|
|
self.assertEqual(1, len(ri._pending_arp_set))
|
|
with mock.patch.object(ri, '_update_arp_entry') as update_arp:
|
|
update_arp.return_value = True
|
|
ri._process_arp_cache_for_internal_port(subnet_id)
|
|
self.assertEqual(0, len(ri._pending_arp_set))
|
|
|
|
def test__delete_arp_cache_for_internal_port(self):
|
|
ri, subnet_id = self._setup_test_for_arp_entry_cache()
|
|
ri._cache_arp_entry('1.7.23.11', '00:11:22:33:44:55',
|
|
subnet_id, 'add')
|
|
self.assertEqual(1, len(ri._pending_arp_set))
|
|
ri._delete_arp_cache_for_internal_port(subnet_id)
|
|
self.assertEqual(0, len(ri._pending_arp_set))
|
|
|
|
def test_del_arp_entry(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
subnet_id = l3_test_common.get_subnet_id(
|
|
router[lib_constants.INTERFACE_KEY][0])
|
|
arp_table = {'ip_address': '1.5.25.15',
|
|
'mac_address': '00:44:33:22:11:55',
|
|
'subnet_id': subnet_id}
|
|
|
|
payload = {'arp_table': arp_table, 'router_id': router['id']}
|
|
agent._router_added(router['id'], router)
|
|
# first add the entry
|
|
agent.add_arp_entry(None, payload)
|
|
# now delete it
|
|
agent.del_arp_entry(None, payload)
|
|
self.mock_ip_dev.neigh.delete.assert_called_once_with(
|
|
'1.5.25.15', '00:44:33:22:11:55')
|
|
agent.router_deleted(None, router['id'])
|
|
|
|
def test_get_floating_agent_gw_interfaces(self):
|
|
fake_network_id = _uuid()
|
|
subnet_id = _uuid()
|
|
agent_gateway_port = (
|
|
[{'fixed_ips': [{'ip_address': '20.0.0.30',
|
|
'prefixlen': 24,
|
|
'subnet_id': subnet_id}],
|
|
'subnets': [{'id': subnet_id,
|
|
'cidr': '20.0.0.0/24',
|
|
'gateway_ip': '20.0.0.1'}],
|
|
'id': _uuid(),
|
|
portbindings.HOST_ID: 'myhost',
|
|
'device_owner': lib_constants.DEVICE_OWNER_AGENT_GW,
|
|
'network_id': fake_network_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}]
|
|
)
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[n_const.FLOATINGIP_AGENT_INTF_KEY] = agent_gateway_port
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
self.assertEqual(
|
|
agent_gateway_port[0],
|
|
ri.get_floating_agent_gw_interface(fake_network_id))
|
|
|
|
def test_process_router_dist_floating_ip_add(self):
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'host': HOSTNAME,
|
|
'floating_ip_address': '15.1.2.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'floating_network_id': mock.sentinel.ext_net_id,
|
|
'port_id': _uuid()},
|
|
{'id': _uuid(),
|
|
'host': 'some-other-host',
|
|
'floating_ip_address': '15.1.2.4',
|
|
'fixed_ip_address': '192.168.0.10',
|
|
'floating_network_id': mock.sentinel.ext_net_id,
|
|
'port_id': _uuid()}]}
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[lib_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
ri.iptables_manager.ipv4['nat'] = mock.MagicMock()
|
|
fip_ns = agent.get_fip_ns(mock.sentinel.ext_net_id)
|
|
subnet_id = _uuid()
|
|
fip_ns.agent_gateway_port = (
|
|
{'fixed_ips': [{'ip_address': '20.0.0.30',
|
|
'subnet_id': subnet_id}],
|
|
'subnets': [{'id': subnet_id,
|
|
'cidr': '20.0.0.0/24',
|
|
'gateway_ip': '20.0.0.1'}],
|
|
'id': _uuid(),
|
|
'network_id': _uuid(),
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
)
|
|
|
|
def _test_ext_gw_updated_dvr_agent_mode(self, host,
|
|
agent_mode, expected_call_count):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_router.DvrLocalRouter(HOSTNAME, **self.ri_kwargs)
|
|
|
|
interface_name, ex_gw_port = l3_test_common.prepare_ext_gw_test(self,
|
|
ri)
|
|
ri._external_gateway_added = mock.Mock()
|
|
|
|
# test agent mode = dvr (compute node)
|
|
router['gw_port_host'] = host
|
|
agent.conf.agent_mode = agent_mode
|
|
|
|
ri.external_gateway_updated(ex_gw_port, interface_name)
|
|
# no gateway should be added on dvr node
|
|
self.assertEqual(expected_call_count,
|
|
ri._external_gateway_added.call_count)
|
|
|
|
def test_ext_gw_updated_dvr_agent_mode(self):
|
|
# no gateway should be added on dvr node
|
|
self._test_ext_gw_updated_dvr_agent_mode('any-foo', 'dvr', 0)
|
|
|
|
def test_ext_gw_updated_dvr_agent_mode_host(self):
|
|
# no gateway should be added on dvr node
|
|
self._test_ext_gw_updated_dvr_agent_mode(HOSTNAME,
|
|
'dvr', 0)
|
|
|
|
def test_external_gateway_removed_ext_gw_port_and_fip(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.conf.agent_mode = lib_constants.L3_AGENT_MODE_DVR_SNAT
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['gw_port_host'] = HOSTNAME
|
|
self.mock_driver.unplug.reset_mock()
|
|
|
|
external_net_id = router['gw_port']['network_id']
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_edge_rtr.DvrEdgeRouter(HOSTNAME, **self.ri_kwargs)
|
|
ri.remove_floating_ip = mock.Mock()
|
|
agent._fetch_external_net_id = mock.Mock(return_value=external_net_id)
|
|
ri.ex_gw_port = ri.router['gw_port']
|
|
del ri.router['gw_port']
|
|
ri.external_gateway_added(
|
|
ri.ex_gw_port,
|
|
ri.get_external_device_name(ri.ex_gw_port['id']))
|
|
ri.fip_ns = None
|
|
nat = ri.iptables_manager.ipv4['nat']
|
|
nat.clear_rules_by_tag = mock.Mock()
|
|
nat.add_rule = mock.Mock()
|
|
|
|
ri.fip_ns = agent.get_fip_ns(external_net_id)
|
|
subnet_id = _uuid()
|
|
ri.fip_ns.agent_gateway_port = {
|
|
'fixed_ips': [{
|
|
'ip_address': '20.0.0.30',
|
|
'prefixlen': 24,
|
|
'subnet_id': subnet_id
|
|
}],
|
|
'subnets': [{'id': subnet_id,
|
|
'cidr': '20.0.0.0/24',
|
|
'gateway_ip': '20.0.0.1'}],
|
|
'id': _uuid(),
|
|
'network_id': external_net_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
|
|
vm_floating_ip = '19.4.4.2'
|
|
ri.floating_ips_dict[vm_floating_ip] = FIP_PRI
|
|
ri.rtr_fip_subnet = ri.fip_ns.local_subnets.allocate(ri.router_id)
|
|
_, fip_to_rtr = ri.rtr_fip_subnet.get_pair()
|
|
self.mock_ip.get_devices.return_value = [
|
|
l3_test_common.FakeDev(ri.fip_ns.get_ext_device_name(_uuid()))]
|
|
ri.get_router_cidrs = mock.Mock(
|
|
return_value={vm_floating_ip + '/32', '19.4.4.1/24'})
|
|
self.device_exists.return_value = True
|
|
ri.external_gateway_removed(
|
|
ri.ex_gw_port,
|
|
ri.get_external_device_name(ri.ex_gw_port['id']))
|
|
ri.remove_floating_ip.assert_called_once_with(self.mock_ip_dev,
|
|
'19.4.4.2/32')
|
|
|
|
def test_get_router_cidrs_no_fip_ns(self):
|
|
router = mock.MagicMock()
|
|
router.get.return_value = [{'host': HOSTNAME},
|
|
{'host': mock.sentinel.otherhost}]
|
|
ri = self._create_router(router)
|
|
device = mock.Mock()
|
|
self.assertFalse(ri.get_router_cidrs(device))
|
|
|
|
def test_get_router_cidrs_no_device_exists(self):
|
|
router = mock.MagicMock()
|
|
router.get.return_value = [{'host': HOSTNAME},
|
|
{'host': mock.sentinel.otherhost}]
|
|
ri = self._create_router(router)
|
|
fake_fip_ns = mock.Mock(return_value=True)
|
|
fake_fip_ns.get_name = mock.Mock(return_value=None)
|
|
fake_fip_ns.get_int_device_name = mock.Mock(return_value=None)
|
|
ri.fip_ns = fake_fip_ns
|
|
device = mock.Mock()
|
|
device.exists = mock.Mock(return_value=False)
|
|
with mock.patch.object(ip_lib, 'IPDevice', return_value=device):
|
|
self.assertFalse(ri.get_router_cidrs(device))
|
|
|
|
@mock.patch.object(router_info.RouterInfo, '_add_snat_rules')
|
|
@mock.patch.object(dvr_router.DvrLocalRouter, '_handle_router_snat_rules')
|
|
def test_handle_snat_rule_for_centralized_fip(
|
|
self, _add_snat_rules, _handle_router_snat_rules):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.conf.agent_mode = lib_constants.L3_AGENT_MODE_DVR_SNAT
|
|
self.mock_driver.unplug.reset_mock()
|
|
|
|
router = l3_test_common.prepare_router_data(enable_floating_ip=True)
|
|
router['gw_port_host'] = HOSTNAME
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri = dvr_edge_rtr.DvrEdgeRouter(HOSTNAME, **self.ri_kwargs)
|
|
ri.snat_iptables_manager = mock.MagicMock()
|
|
ipv4_nat = ri.snat_iptables_manager.ipv4['nat']
|
|
interface_name, ex_gw_port = l3_test_common.prepare_ext_gw_test(self,
|
|
ri)
|
|
ri._handle_router_snat_rules(ex_gw_port, interface_name)
|
|
ipv4_nat.add_rule.assert_called_once_with('snat', '-j $float-snat')
|
|
|
|
@mock.patch.object(dvr_edge_rtr.DvrEdgeRouter,
|
|
'add_centralized_floatingip')
|
|
def test_add_centralized_floatingip_dvr_ha(
|
|
self,
|
|
super_add_centralized_floatingip):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.conf.agent_mode = lib_constants.L3_AGENT_MODE_DVR_SNAT
|
|
router = l3_test_common.prepare_router_data(
|
|
num_internal_ports=2, enable_ha=True)
|
|
router['gw_port_host'] = HOSTNAME
|
|
self.mock_driver.unplug.reset_mock()
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
fip = {'id': _uuid()}
|
|
fip_cidr = '11.22.33.44/24'
|
|
|
|
ri = dvr_edge_ha_rtr.DvrEdgeHaRouter(HOSTNAME, [], **self.ri_kwargs)
|
|
ri.is_router_master = mock.Mock(return_value=False)
|
|
ri._add_vip = mock.Mock()
|
|
interface_name = ri.get_snat_external_device_interface_name(
|
|
ri.get_ex_gw_port())
|
|
ri.add_centralized_floatingip(fip, fip_cidr)
|
|
ri._add_vip.assert_called_once_with(fip_cidr, interface_name)
|
|
super_add_centralized_floatingip.assert_not_called()
|
|
|
|
router[lib_constants.HA_INTERFACE_KEY]['status'] = 'DOWN'
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri_1 = dvr_edge_ha_rtr.DvrEdgeHaRouter(HOSTNAME, [], **self.ri_kwargs)
|
|
ri_1.is_router_master = mock.Mock(return_value=True)
|
|
ri_1._add_vip = mock.Mock()
|
|
interface_name = ri_1.get_snat_external_device_interface_name(
|
|
ri_1.get_ex_gw_port())
|
|
ri_1.add_centralized_floatingip(fip, fip_cidr)
|
|
ri_1._add_vip.assert_called_once_with(fip_cidr, interface_name)
|
|
super_add_centralized_floatingip.assert_not_called()
|
|
|
|
router[lib_constants.HA_INTERFACE_KEY]['status'] = 'ACTIVE'
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
ri_2 = dvr_edge_ha_rtr.DvrEdgeHaRouter(HOSTNAME, [], **self.ri_kwargs)
|
|
ri_2.is_router_master = mock.Mock(return_value=True)
|
|
ri_2._add_vip = mock.Mock()
|
|
interface_name = ri_2.get_snat_external_device_interface_name(
|
|
ri_2.get_ex_gw_port())
|
|
ri_2.add_centralized_floatingip(fip, fip_cidr)
|
|
ri_2._add_vip.assert_called_once_with(fip_cidr, interface_name)
|
|
super_add_centralized_floatingip.assert_called_once_with(fip,
|
|
fip_cidr)
|
|
|
|
@mock.patch.object(dvr_edge_rtr.DvrEdgeRouter,
|
|
'remove_centralized_floatingip')
|
|
def test_remove_centralized_floatingip(self,
|
|
super_remove_centralized_floatingip):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.conf.agent_mode = lib_constants.L3_AGENT_MODE_DVR_SNAT
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['gw_port_host'] = HOSTNAME
|
|
self.mock_driver.unplug.reset_mock()
|
|
self._set_ri_kwargs(agent, router['id'], router)
|
|
fip_cidr = '11.22.33.44/24'
|
|
|
|
ri = dvr_edge_ha_rtr.DvrEdgeHaRouter(HOSTNAME, [], **self.ri_kwargs)
|
|
ri.is_router_master = mock.Mock(return_value=False)
|
|
ri._remove_vip = mock.Mock()
|
|
ri.remove_centralized_floatingip(fip_cidr)
|
|
ri._remove_vip.assert_called_once_with(fip_cidr)
|
|
super_remove_centralized_floatingip.assert_not_called()
|
|
|
|
ri1 = dvr_edge_ha_rtr.DvrEdgeHaRouter(HOSTNAME, [], **self.ri_kwargs)
|
|
ri1.is_router_master = mock.Mock(return_value=True)
|
|
ri1._remove_vip = mock.Mock()
|
|
ri1.remove_centralized_floatingip(fip_cidr)
|
|
ri1._remove_vip.assert_called_once_with(fip_cidr)
|
|
super_remove_centralized_floatingip.assert_called_once_with(fip_cidr)
|