2748 lines
123 KiB
Python
2748 lines
123 KiB
Python
# Copyright 2012 VMware, Inc.
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# All Rights Reserved.
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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 copy
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from itertools import chain as iter_chain
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from itertools import combinations as iter_combinations
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import eventlet
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import mock
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import netaddr
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from oslo_log import log
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import oslo_messaging
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from oslo_utils import timeutils
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from oslo_utils import uuidutils
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import six
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from testtools import matchers
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from neutron.agent.common import config as agent_config
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from neutron.agent.l3 import agent as l3_agent
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from neutron.agent.l3 import config as l3_config
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from neutron.agent.l3 import dvr_edge_router as dvr_router
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from neutron.agent.l3 import dvr_snat_ns
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from neutron.agent.l3 import ha
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from neutron.agent.l3 import legacy_router
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from neutron.agent.l3 import link_local_allocator as lla
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from neutron.agent.l3 import namespaces
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from neutron.agent.l3 import router_info as l3router
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from neutron.agent.l3 import router_processing_queue
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from neutron.agent.linux import dibbler
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from neutron.agent.linux import external_process
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from neutron.agent.linux import interface
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from neutron.agent.linux import pd
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from neutron.agent.linux import ra
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from neutron.agent.metadata import driver as metadata_driver
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from neutron.agent import rpc as agent_rpc
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from neutron.common import config as base_config
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from neutron.common import constants as l3_constants
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from neutron.common import exceptions as n_exc
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from neutron.extensions import portbindings
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from neutron.plugins.common import constants as p_const
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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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HOSTNAME = 'myhost'
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FAKE_ID = _uuid()
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FAKE_ID_2 = _uuid()
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FIP_PRI = 32768
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class BasicRouterOperationsFramework(base.BaseTestCase):
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def setUp(self):
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super(BasicRouterOperationsFramework, 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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self.conf.register_opts(l3_config.OPTS)
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self.conf.register_opts(ha.OPTS)
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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_availability_zone_opts_helper(self.conf)
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self.conf.register_opts(interface.OPTS)
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self.conf.register_opts(external_process.OPTS)
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self.conf.register_opts(pd.OPTS)
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self.conf.register_opts(ra.OPTS)
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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('send_arp_for_ha', 1)
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self.conf.set_override('state_path', '')
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self.conf.set_override('ra_confs', '/tmp')
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self.conf.set_override('pd_dhcp_driver', '')
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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('neutron.common.utils.ensure_dir').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.common.utils.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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ip_rule = mock.patch('neutron.agent.linux.ip_lib.IPRule').start()
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self.mock_rule = mock.MagicMock()
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ip_rule.return_value = self.mock_rule
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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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l3_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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l3_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 _process_router_instance_for_agent(self, agent, ri, router):
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ri.router = router
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if not ri.radvd:
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ri.radvd = ra.DaemonMonitor(router['id'],
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ri.ns_name,
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agent.process_monitor,
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ri.get_internal_device_name,
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self.conf)
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ri.process(agent)
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class TestBasicRouterOperations(BasicRouterOperationsFramework):
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def test_init_ha_conf(self):
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with mock.patch('os.path.dirname', return_value='/etc/ha/'):
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l3_agent.L3NATAgent(HOSTNAME, self.conf)
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self.ensure_dir.assert_called_once_with('/etc/ha/')
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def test_enqueue_state_change_router_not_found(self):
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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non_existent_router = 42
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# Make sure the exceptional code path has coverage
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agent.enqueue_state_change(non_existent_router, 'master')
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def test_enqueue_state_change_metadata_disable(self):
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self.conf.set_override('enable_metadata_proxy', False)
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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router = mock.Mock()
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router_info = mock.MagicMock()
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agent.router_info[router.id] = router_info
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agent._update_metadata_proxy = mock.Mock()
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agent.enqueue_state_change(router.id, 'master')
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self.assertFalse(agent._update_metadata_proxy.call_count)
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def test_periodic_sync_routers_task_raise_exception(self):
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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self.plugin_api.get_router_ids.return_value = ['fake_id']
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self.plugin_api.get_routers.side_effect = ValueError
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self.assertRaises(ValueError,
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agent.periodic_sync_routers_task,
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agent.context)
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self.assertTrue(agent.fullsync)
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def test_l3_initial_report_state_done(self):
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with mock.patch.object(l3_agent.L3NATAgentWithStateReport,
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'periodic_sync_routers_task'),\
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mock.patch.object(agent_rpc.PluginReportStateAPI,
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'report_state') as report_state,\
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mock.patch.object(eventlet, 'spawn_n'):
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agent = l3_agent.L3NATAgentWithStateReport(host=HOSTNAME,
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conf=self.conf)
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self.assertTrue(agent.agent_state['start_flag'])
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agent.after_start()
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report_state.assert_called_once_with(agent.context,
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agent.agent_state,
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True)
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self.assertIsNone(agent.agent_state.get('start_flag'))
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def test_report_state_revival_logic(self):
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with mock.patch.object(agent_rpc.PluginReportStateAPI,
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'report_state') as report_state:
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agent = l3_agent.L3NATAgentWithStateReport(host=HOSTNAME,
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conf=self.conf)
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report_state.return_value = l3_constants.AGENT_REVIVED
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agent._report_state()
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self.assertTrue(agent.fullsync)
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agent.fullsync = False
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report_state.return_value = l3_constants.AGENT_ALIVE
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agent._report_state()
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self.assertFalse(agent.fullsync)
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def test_periodic_sync_routers_task_call_clean_stale_namespaces(self):
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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self.plugin_api.get_routers.return_value = []
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agent.periodic_sync_routers_task(agent.context)
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self.assertFalse(agent.namespaces_manager._clean_stale)
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def test_periodic_sync_routers_task_call_clean_stale_meta_proxies(self):
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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stale_router_ids = [_uuid(), _uuid()]
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active_routers = [{'id': _uuid()}, {'id': _uuid()}]
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self.plugin_api.get_router_ids.return_value = [r['id'] for r
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in active_routers]
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self.plugin_api.get_routers.return_value = active_routers
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namespace_list = [namespaces.NS_PREFIX + r_id
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for r_id in stale_router_ids]
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namespace_list += [namespaces.NS_PREFIX + r['id']
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for r in active_routers]
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self.mock_ip.get_namespaces.return_value = namespace_list
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driver = metadata_driver.MetadataDriver
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with mock.patch.object(
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driver, 'destroy_monitored_metadata_proxy') as destroy_proxy:
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agent.periodic_sync_routers_task(agent.context)
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expected_calls = [mock.call(mock.ANY, r_id, agent.conf)
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for r_id in stale_router_ids]
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self.assertEqual(len(stale_router_ids), destroy_proxy.call_count)
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destroy_proxy.assert_has_calls(expected_calls, any_order=True)
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def test_router_info_create(self):
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id = _uuid()
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ri = l3router.RouterInfo(id, {}, **self.ri_kwargs)
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self.assertTrue(ri.ns_name.endswith(id))
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def test_router_info_create_with_router(self):
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ns_id = _uuid()
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subnet_id = _uuid()
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ex_gw_port = {'id': _uuid(),
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'network_id': _uuid(),
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'fixed_ips': [{'ip_address': '19.4.4.4',
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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': '19.4.4.0/24',
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'gateway_ip': '19.4.4.1'}]}
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router = {
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'id': _uuid(),
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'enable_snat': True,
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'routes': [],
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'gw_port': ex_gw_port}
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ri = l3router.RouterInfo(ns_id, router, **self.ri_kwargs)
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self.assertTrue(ri.ns_name.endswith(ns_id))
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self.assertEqual(router, ri.router)
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def test_agent_create(self):
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l3_agent.L3NATAgent(HOSTNAME, self.conf)
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def _test_internal_network_action(self, action):
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router = l3_test_common.prepare_router_data(num_internal_ports=2)
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router_id = router['id']
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ri = l3router.RouterInfo(router_id, router, **self.ri_kwargs)
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port = {'network_id': _uuid(),
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'id': _uuid(),
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'mac_address': 'ca:fe:de:ad:be:ef',
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'fixed_ips': [{'subnet_id': _uuid(),
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'ip_address': '99.0.1.9',
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'prefixlen': 24}]}
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interface_name = ri.get_internal_device_name(port['id'])
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if action == 'add':
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self.device_exists.return_value = False
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ri.internal_network_added(port)
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self.assertEqual(1, self.mock_driver.plug.call_count)
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self.assertEqual(1, self.mock_driver.init_router_port.call_count)
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self.send_adv_notif.assert_called_once_with(ri.ns_name,
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interface_name,
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'99.0.1.9', mock.ANY)
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elif action == 'remove':
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self.device_exists.return_value = True
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ri.internal_network_removed(port)
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self.assertEqual(1, self.mock_driver.unplug.call_count)
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else:
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raise Exception("Invalid action %s" % action)
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@staticmethod
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def _fixed_ip_cidr(fixed_ip):
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return '%s/%s' % (fixed_ip['ip_address'], fixed_ip['prefixlen'])
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def _test_internal_network_action_dist(self, action):
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router = l3_test_common.prepare_router_data(num_internal_ports=2)
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router_id = router['id']
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agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
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ri = dvr_router.DvrEdgeRouter(
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agent, HOSTNAME, router_id, router, **self.ri_kwargs)
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subnet_id = _uuid()
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port = {'network_id': _uuid(),
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'id': _uuid(),
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'mac_address': 'ca:fe:de:ad:be:ef',
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'fixed_ips': [{'subnet_id': subnet_id,
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'ip_address': '99.0.1.9',
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'prefixlen': 24}],
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'subnets': [{'id': subnet_id}]}
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ri.router['gw_port_host'] = HOSTNAME
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agent.host = HOSTNAME
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agent.conf.agent_mode = 'dvr_snat'
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sn_port = {'fixed_ips': [{'ip_address': '20.0.0.31',
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'subnet_id': _uuid()}],
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'subnets': [{'gateway_ip': '20.0.0.1'}],
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'extra_subnets': [{'cidr': '172.16.0.0/24'}],
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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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ex_gw_port = {'fixed_ips': [{'ip_address': '20.0.0.30',
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'prefixlen': 24,
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'subnet_id': _uuid()}],
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'subnets': [{'gateway_ip': '20.0.0.1'}],
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'extra_subnets': [{'cidr': '172.16.0.0/24'}],
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'id': _uuid(),
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portbindings.HOST_ID: HOSTNAME,
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'network_id': _uuid(),
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'mac_address': 'ca:fe:de:ad:be:ef'}
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ri.snat_ports = sn_port
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ri.ex_gw_port = ex_gw_port
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ri.snat_namespace = mock.Mock()
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if action == 'add':
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self.device_exists.return_value = False
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ri.get_snat_port_for_internal_port = mock.Mock(
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return_value=sn_port)
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ri._snat_redirect_add = mock.Mock()
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ri._set_subnet_arp_info = mock.Mock()
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ri._internal_network_added = mock.Mock()
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ri._set_subnet_arp_info = mock.Mock()
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ri.internal_network_added(port)
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self.assertEqual(1, ri._snat_redirect_add.call_count)
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self.assertEqual(2, ri._internal_network_added.call_count)
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ri._set_subnet_arp_info.assert_called_once_with(subnet_id)
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ri._internal_network_added.assert_called_with(
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dvr_snat_ns.SnatNamespace.get_snat_ns_name(ri.router['id']),
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sn_port['network_id'],
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sn_port['id'],
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sn_port['fixed_ips'],
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sn_port['mac_address'],
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ri._get_snat_int_device_name(sn_port['id']),
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dvr_snat_ns.SNAT_INT_DEV_PREFIX)
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elif action == 'remove':
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self.device_exists.return_value = False
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ri.get_snat_port_for_internal_port = mock.Mock(
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return_value=sn_port)
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ri._delete_arp_cache_for_internal_port = mock.Mock()
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ri._snat_redirect_modify = mock.Mock()
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ri.internal_network_removed(port)
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self.assertEqual(
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1, ri._delete_arp_cache_for_internal_port.call_count)
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ri._snat_redirect_modify.assert_called_with(
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sn_port, port,
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ri.get_internal_device_name(port['id']),
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is_add=False)
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def test_agent_add_internal_network(self):
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self._test_internal_network_action('add')
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def test_agent_add_internal_network_dist(self):
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self._test_internal_network_action_dist('add')
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def test_agent_remove_internal_network(self):
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self._test_internal_network_action('remove')
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def test_agent_remove_internal_network_dist(self):
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self._test_internal_network_action_dist('remove')
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def _add_external_gateway(self, ri, router, ex_gw_port, interface_name,
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use_fake_fip=False,
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no_subnet=False, no_sub_gw=None,
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dual_stack=False):
|
|
self.device_exists.return_value = False
|
|
if no_sub_gw is None:
|
|
no_sub_gw = []
|
|
if use_fake_fip:
|
|
fake_fip = {'floatingips': [{'id': _uuid(),
|
|
'floating_ip_address': '192.168.1.34',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'port_id': _uuid()}]}
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_fip['floatingips']
|
|
ri.external_gateway_added(ex_gw_port, interface_name)
|
|
if not router.get('distributed'):
|
|
self.assertEqual(1, self.mock_driver.plug.call_count)
|
|
self.assertEqual(1, self.mock_driver.init_router_port.call_count)
|
|
if no_subnet and not dual_stack:
|
|
self.assertEqual(0, self.send_adv_notif.call_count)
|
|
ip_cidrs = []
|
|
kwargs = {'preserve_ips': [],
|
|
'namespace': 'qrouter-' + router['id'],
|
|
'extra_subnets': [],
|
|
'clean_connections': True}
|
|
else:
|
|
exp_arp_calls = [mock.call(ri.ns_name, interface_name,
|
|
'20.0.0.30', mock.ANY)]
|
|
if dual_stack and not no_sub_gw:
|
|
exp_arp_calls += [mock.call(ri.ns_name, interface_name,
|
|
'2001:192:168:100::2',
|
|
mock.ANY)]
|
|
self.send_adv_notif.assert_has_calls(exp_arp_calls)
|
|
ip_cidrs = ['20.0.0.30/24']
|
|
if dual_stack:
|
|
if not no_sub_gw:
|
|
ip_cidrs.append('2001:192:168:100::2/64')
|
|
kwargs = {'preserve_ips': ['192.168.1.34/32'],
|
|
'namespace': 'qrouter-' + router['id'],
|
|
'extra_subnets': [{'cidr': '172.16.0.0/24'}],
|
|
'clean_connections': True}
|
|
self.mock_driver.init_router_port.assert_called_with(
|
|
interface_name, ip_cidrs, **kwargs)
|
|
else:
|
|
ri._create_dvr_gateway.assert_called_once_with(
|
|
ex_gw_port, interface_name)
|
|
|
|
def _test_external_gateway_action(self, action, router, dual_stack=False):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ex_net_id = _uuid()
|
|
sn_port = self.snat_ports[1]
|
|
# Special setup for dvr routers
|
|
if router.get('distributed'):
|
|
agent.conf.agent_mode = 'dvr_snat'
|
|
agent.host = HOSTNAME
|
|
ri = dvr_router.DvrEdgeRouter(agent,
|
|
HOSTNAME,
|
|
router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
ri._create_dvr_gateway = mock.Mock()
|
|
ri.get_snat_interfaces = mock.Mock(return_value=self.snat_ports)
|
|
ri.snat_ports = self.snat_ports
|
|
ri._create_snat_namespace()
|
|
ri.fip_ns = agent.get_fip_ns(ex_net_id)
|
|
ri.internal_ports = self.snat_ports
|
|
else:
|
|
ri = l3router.RouterInfo(
|
|
router['id'], router,
|
|
**self.ri_kwargs)
|
|
|
|
ri.use_ipv6 = False
|
|
subnet_id = _uuid()
|
|
fixed_ips = [{'subnet_id': subnet_id,
|
|
'ip_address': '20.0.0.30',
|
|
'prefixlen': 24}]
|
|
subnets = [{'id': subnet_id,
|
|
'cidr': '20.0.0.0/24',
|
|
'gateway_ip': '20.0.0.1'}]
|
|
if dual_stack:
|
|
ri.use_ipv6 = True
|
|
subnet_id_v6 = _uuid()
|
|
fixed_ips.append({'subnet_id': subnet_id_v6,
|
|
'ip_address': '2001:192:168:100::2',
|
|
'prefixlen': 64})
|
|
subnets.append({'id': subnet_id_v6,
|
|
'cidr': '2001:192:168:100::/64',
|
|
'gateway_ip': '2001:192:168:100::1'})
|
|
ex_gw_port = {'fixed_ips': fixed_ips,
|
|
'subnets': subnets,
|
|
'extra_subnets': [{'cidr': '172.16.0.0/24'}],
|
|
'id': _uuid(),
|
|
'network_id': ex_net_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
ex_gw_port_no_sub = {'fixed_ips': [],
|
|
'id': _uuid(),
|
|
'network_id': ex_net_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
interface_name = ri.get_external_device_name(ex_gw_port['id'])
|
|
|
|
if action == 'add':
|
|
self._add_external_gateway(ri, router, ex_gw_port, interface_name,
|
|
use_fake_fip=True,
|
|
dual_stack=dual_stack)
|
|
|
|
elif action == 'add_no_sub':
|
|
ri.use_ipv6 = True
|
|
self._add_external_gateway(ri, router, ex_gw_port_no_sub,
|
|
interface_name,
|
|
no_subnet=True)
|
|
|
|
elif action == 'add_no_sub_v6_gw':
|
|
ri.use_ipv6 = True
|
|
self.conf.set_override('ipv6_gateway',
|
|
'fe80::f816:3eff:fe2e:1')
|
|
if dual_stack:
|
|
use_fake_fip = True
|
|
# Remove v6 entries
|
|
del ex_gw_port['fixed_ips'][-1]
|
|
del ex_gw_port['subnets'][-1]
|
|
else:
|
|
use_fake_fip = False
|
|
ex_gw_port = ex_gw_port_no_sub
|
|
self._add_external_gateway(ri, router, ex_gw_port,
|
|
interface_name, no_subnet=True,
|
|
no_sub_gw='fe80::f816:3eff:fe2e:1',
|
|
use_fake_fip=use_fake_fip,
|
|
dual_stack=dual_stack)
|
|
|
|
elif action == 'remove':
|
|
self.device_exists.return_value = True
|
|
ri.get_snat_port_for_internal_port = mock.Mock(
|
|
return_value=sn_port)
|
|
ri._snat_redirect_remove = mock.Mock()
|
|
ri.external_gateway_removed(ex_gw_port, interface_name)
|
|
if not router.get('distributed'):
|
|
self.mock_driver.unplug.assert_called_once_with(
|
|
interface_name,
|
|
bridge=agent.conf.external_network_bridge,
|
|
namespace=mock.ANY,
|
|
prefix=mock.ANY)
|
|
else:
|
|
ri._snat_redirect_remove.assert_called_with(
|
|
sn_port, sn_port,
|
|
ri.get_internal_device_name(sn_port['id']))
|
|
ri.get_snat_port_for_internal_port.assert_called_with(
|
|
mock.ANY, ri.snat_ports)
|
|
else:
|
|
raise Exception("Invalid action %s" % action)
|
|
|
|
def _test_external_gateway_updated(self, dual_stack=False):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.use_ipv6 = False
|
|
interface_name, ex_gw_port = l3_test_common.prepare_ext_gw_test(
|
|
self, ri, dual_stack=dual_stack)
|
|
|
|
fake_fip = {'floatingips': [{'id': _uuid(),
|
|
'floating_ip_address': '192.168.1.34',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'port_id': _uuid()}]}
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_fip['floatingips']
|
|
ri.external_gateway_updated(ex_gw_port, interface_name)
|
|
self.assertEqual(1, self.mock_driver.plug.call_count)
|
|
self.assertEqual(1, self.mock_driver.init_router_port.call_count)
|
|
exp_arp_calls = [mock.call(ri.ns_name, interface_name,
|
|
'20.0.0.30', mock.ANY)]
|
|
if dual_stack:
|
|
ri.use_ipv6 = True
|
|
exp_arp_calls += [mock.call(ri.ns_name, interface_name,
|
|
'2001:192:168:100::2', mock.ANY)]
|
|
self.send_adv_notif.assert_has_calls(exp_arp_calls)
|
|
ip_cidrs = ['20.0.0.30/24']
|
|
gateway_ips = ['20.0.0.1']
|
|
if dual_stack:
|
|
ip_cidrs.append('2001:192:168:100::2/64')
|
|
gateway_ips.append('2001:192:168:100::1')
|
|
kwargs = {'preserve_ips': ['192.168.1.34/32'],
|
|
'namespace': 'qrouter-' + router['id'],
|
|
'extra_subnets': [{'cidr': '172.16.0.0/24'}],
|
|
'clean_connections': True}
|
|
self.mock_driver.init_router_port.assert_called_with(interface_name,
|
|
ip_cidrs,
|
|
**kwargs)
|
|
|
|
def test_external_gateway_updated(self):
|
|
self._test_external_gateway_updated()
|
|
|
|
def test_external_gateway_updated_dual_stack(self):
|
|
self._test_external_gateway_updated(dual_stack=True)
|
|
|
|
def _test_ext_gw_updated_dvr_edge_router(self, host_match,
|
|
snat_hosted_before=True):
|
|
"""
|
|
Helper to test external gw update for edge router on dvr_snat agent
|
|
|
|
:param host_match: True if new gw host should be the same as agent host
|
|
:param snat_hosted_before: True if agent has already been hosting
|
|
snat for the router
|
|
"""
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
ri = dvr_router.DvrEdgeRouter(mock.Mock(),
|
|
HOSTNAME,
|
|
router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
if snat_hosted_before:
|
|
ri._create_snat_namespace()
|
|
snat_ns_name = ri.snat_namespace.name
|
|
else:
|
|
self.assertIsNone(ri.snat_namespace)
|
|
|
|
interface_name, ex_gw_port = l3_test_common.prepare_ext_gw_test(self,
|
|
ri)
|
|
ri._external_gateway_added = mock.Mock()
|
|
|
|
router['gw_port_host'] = ri.host if host_match else (ri.host + 'foo')
|
|
|
|
ri.external_gateway_updated(ex_gw_port, interface_name)
|
|
if not host_match:
|
|
self.assertFalse(ri._external_gateway_added.called)
|
|
if snat_hosted_before:
|
|
# host mismatch means that snat was rescheduled to another
|
|
# agent, hence need to verify that gw port was unplugged and
|
|
# snat namespace was deleted
|
|
self.mock_driver.unplug.assert_called_with(
|
|
interface_name,
|
|
bridge=self.conf.external_network_bridge,
|
|
namespace=snat_ns_name,
|
|
prefix=l3_agent.EXTERNAL_DEV_PREFIX)
|
|
self.assertIsNone(ri.snat_namespace)
|
|
else:
|
|
if not snat_hosted_before:
|
|
self.assertIsNotNone(ri.snat_namespace)
|
|
self.assertTrue(ri._external_gateway_added.called)
|
|
|
|
def test_ext_gw_updated_dvr_edge_router(self):
|
|
self._test_ext_gw_updated_dvr_edge_router(host_match=True)
|
|
|
|
def test_ext_gw_updated_dvr_edge_router_host_mismatch(self):
|
|
self._test_ext_gw_updated_dvr_edge_router(host_match=False)
|
|
|
|
def test_ext_gw_updated_dvr_dvr_edge_router_snat_rescheduled(self):
|
|
self._test_ext_gw_updated_dvr_edge_router(host_match=True,
|
|
snat_hosted_before=False)
|
|
|
|
def test_agent_add_external_gateway(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
self._test_external_gateway_action('add', router)
|
|
|
|
def test_agent_add_external_gateway_dual_stack(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
self._test_external_gateway_action('add', router, dual_stack=True)
|
|
|
|
def test_agent_add_external_gateway_dist(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
router['gw_port_host'] = HOSTNAME
|
|
self._test_external_gateway_action('add', router)
|
|
|
|
def test_agent_add_external_gateway_dist_dual_stack(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
router['gw_port_host'] = HOSTNAME
|
|
self._test_external_gateway_action('add', router, dual_stack=True)
|
|
|
|
def test_agent_add_external_gateway_no_subnet(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2,
|
|
v6_ext_gw_with_sub=False)
|
|
self._test_external_gateway_action('add_no_sub', router)
|
|
|
|
def test_agent_add_external_gateway_no_subnet_with_ipv6_gw(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2,
|
|
v6_ext_gw_with_sub=False)
|
|
self._test_external_gateway_action('add_no_sub_v6_gw', router)
|
|
|
|
def test_agent_add_external_gateway_dual_stack_no_subnet_w_ipv6_gw(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2,
|
|
v6_ext_gw_with_sub=False)
|
|
self._test_external_gateway_action('add_no_sub_v6_gw',
|
|
router, dual_stack=True)
|
|
|
|
def test_agent_remove_external_gateway(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
self._test_external_gateway_action('remove', router)
|
|
|
|
def test_agent_remove_external_gateway_dual_stack(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
self._test_external_gateway_action('remove', router, dual_stack=True)
|
|
|
|
def test_agent_remove_external_gateway_dist(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
router['gw_port_host'] = HOSTNAME
|
|
self._test_external_gateway_action('remove', router)
|
|
|
|
def test_agent_remove_external_gateway_dist_dual_stack(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
router['distributed'] = True
|
|
router['gw_port_host'] = HOSTNAME
|
|
self._test_external_gateway_action('remove', router, dual_stack=True)
|
|
|
|
def _verify_snat_mangle_rules(self, nat_rules, mangle_rules, router,
|
|
negate=False):
|
|
interfaces = router[l3_constants.INTERFACE_KEY]
|
|
source_cidrs = []
|
|
for iface in interfaces:
|
|
for subnet in iface['subnets']:
|
|
prefix = subnet['cidr'].split('/')[1]
|
|
source_cidr = "%s/%s" % (iface['fixed_ips'][0]['ip_address'],
|
|
prefix)
|
|
source_cidrs.append(source_cidr)
|
|
source_nat_ip = router['gw_port']['fixed_ips'][0]['ip_address']
|
|
interface_name = ('qg-%s' % router['gw_port']['id'])[:14]
|
|
expected_rules = [
|
|
'! -i %s ! -o %s -m conntrack ! --ctstate DNAT -j ACCEPT' %
|
|
(interface_name, interface_name),
|
|
'-o %s -j SNAT --to-source %s' % (interface_name, source_nat_ip),
|
|
'-m mark ! --mark 0x2/%s -m conntrack --ctstate DNAT '
|
|
'-j SNAT --to-source %s' %
|
|
(l3_constants.ROUTER_MARK_MASK, source_nat_ip)]
|
|
for r in nat_rules:
|
|
if negate:
|
|
self.assertNotIn(r.rule, expected_rules)
|
|
else:
|
|
self.assertIn(r.rule, expected_rules)
|
|
expected_rules = [
|
|
'-i %s -j MARK --set-xmark 0x2/%s' %
|
|
(interface_name, l3_constants.ROUTER_MARK_MASK),
|
|
'-o %s -m connmark --mark 0x0/%s -j CONNMARK '
|
|
'--save-mark --nfmask %s --ctmask %s' %
|
|
(interface_name,
|
|
l3router.ADDRESS_SCOPE_MARK_MASK,
|
|
l3router.ADDRESS_SCOPE_MARK_MASK,
|
|
l3router.ADDRESS_SCOPE_MARK_MASK)]
|
|
for r in mangle_rules:
|
|
if negate:
|
|
self.assertNotIn(r.rule, expected_rules)
|
|
else:
|
|
self.assertIn(r.rule, expected_rules)
|
|
|
|
def test_get_snat_port_for_internal_port(self):
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=4)
|
|
ri = dvr_router.DvrEdgeRouter(mock.sentinel.agent,
|
|
HOSTNAME,
|
|
router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
test_port = {
|
|
'mac_address': '00:12:23:34:45:56',
|
|
'fixed_ips': [{'subnet_id': l3_test_common.get_subnet_id(
|
|
router[l3_constants.INTERFACE_KEY][0]),
|
|
'ip_address': '101.12.13.14'}]}
|
|
internal_ports = ri.router.get(l3_constants.INTERFACE_KEY, [])
|
|
# test valid case
|
|
with mock.patch.object(ri, 'get_snat_interfaces') as get_interfaces:
|
|
get_interfaces.return_value = [test_port]
|
|
res_port = ri.get_snat_port_for_internal_port(internal_ports[0])
|
|
self.assertEqual(test_port, res_port)
|
|
# test invalid case
|
|
test_port['fixed_ips'][0]['subnet_id'] = 1234
|
|
res_ip = ri.get_snat_port_for_internal_port(internal_ports[0])
|
|
self.assertNotEqual(test_port, res_ip)
|
|
self.assertIsNone(res_ip)
|
|
|
|
def test_process_cent_router(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
self._test_process_router(ri, agent)
|
|
|
|
def test_process_dist_router(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(agent,
|
|
HOSTNAME,
|
|
router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
subnet_id = l3_test_common.get_subnet_id(
|
|
router[l3_constants.INTERFACE_KEY][0])
|
|
ri.router['distributed'] = True
|
|
ri.router['_snat_router_interfaces'] = [{
|
|
'fixed_ips': [{'subnet_id': subnet_id,
|
|
'ip_address': '1.2.3.4'}]}]
|
|
ri.router['gw_port_host'] = None
|
|
self._test_process_router(ri, agent)
|
|
|
|
def _test_process_router(self, ri, agent):
|
|
router = ri.router
|
|
agent.host = HOSTNAME
|
|
fake_fip_id = 'fake_fip_id'
|
|
ri.create_dvr_fip_interfaces = mock.Mock()
|
|
ri.process_floating_ip_addresses = mock.Mock()
|
|
ri.process_floating_ip_nat_rules = mock.Mock()
|
|
ri.process_floating_ip_addresses.return_value = {
|
|
fake_fip_id: 'ACTIVE'}
|
|
ri.external_gateway_added = mock.Mock()
|
|
ri.external_gateway_updated = mock.Mock()
|
|
ri.process_address_scope = mock.Mock()
|
|
fake_floatingips1 = {'floatingips': [
|
|
{'id': fake_fip_id,
|
|
'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7',
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
ri.process(agent)
|
|
ri.process_floating_ip_addresses.assert_called_with(mock.ANY)
|
|
ri.process_floating_ip_addresses.reset_mock()
|
|
ri.process_floating_ip_nat_rules.assert_called_with()
|
|
ri.process_floating_ip_nat_rules.reset_mock()
|
|
ri.external_gateway_added.reset_mock()
|
|
|
|
# remap floating IP to a new fixed ip
|
|
fake_floatingips2 = copy.deepcopy(fake_floatingips1)
|
|
fake_floatingips2['floatingips'][0]['fixed_ip_address'] = '7.7.7.8'
|
|
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips2['floatingips']
|
|
ri.process(agent)
|
|
ri.process_floating_ip_addresses.assert_called_with(mock.ANY)
|
|
ri.process_floating_ip_addresses.reset_mock()
|
|
ri.process_floating_ip_nat_rules.assert_called_with()
|
|
ri.process_floating_ip_nat_rules.reset_mock()
|
|
self.assertEqual(0, ri.external_gateway_added.call_count)
|
|
self.assertEqual(0, ri.external_gateway_updated.call_count)
|
|
ri.external_gateway_added.reset_mock()
|
|
ri.external_gateway_updated.reset_mock()
|
|
|
|
# change the ex_gw_port a bit to test gateway update
|
|
new_gw_port = copy.deepcopy(ri.router['gw_port'])
|
|
ri.router['gw_port'] = new_gw_port
|
|
old_ip = (netaddr.IPAddress(ri.router['gw_port']
|
|
['fixed_ips'][0]['ip_address']))
|
|
ri.router['gw_port']['fixed_ips'][0]['ip_address'] = str(old_ip + 1)
|
|
|
|
ri.process(agent)
|
|
ri.process_floating_ip_addresses.reset_mock()
|
|
ri.process_floating_ip_nat_rules.reset_mock()
|
|
self.assertEqual(0, ri.external_gateway_added.call_count)
|
|
self.assertEqual(1, ri.external_gateway_updated.call_count)
|
|
|
|
# remove just the floating ips
|
|
del router[l3_constants.FLOATINGIP_KEY]
|
|
ri.process(agent)
|
|
ri.process_floating_ip_addresses.assert_called_with(mock.ANY)
|
|
ri.process_floating_ip_addresses.reset_mock()
|
|
ri.process_floating_ip_nat_rules.assert_called_with()
|
|
ri.process_floating_ip_nat_rules.reset_mock()
|
|
|
|
# now no ports so state is torn down
|
|
del router[l3_constants.INTERFACE_KEY]
|
|
del router['gw_port']
|
|
ri.process(agent)
|
|
self.assertEqual(1, self.send_adv_notif.call_count)
|
|
distributed = ri.router.get('distributed', False)
|
|
self.assertEqual(distributed, ri.process_floating_ip_addresses.called)
|
|
self.assertEqual(distributed, ri.process_floating_ip_nat_rules.called)
|
|
|
|
@mock.patch('neutron.agent.linux.ip_lib.IPDevice')
|
|
def _test_process_floating_ip_addresses_add(self, ri, agent, IPDevice):
|
|
floating_ips = ri.get_floating_ips()
|
|
fip_id = floating_ips[0]['id']
|
|
IPDevice.return_value = device = mock.Mock()
|
|
device.addr.list.return_value = []
|
|
ri.iptables_manager.ipv4['nat'] = mock.MagicMock()
|
|
ex_gw_port = {'id': _uuid(), 'network_id': mock.sentinel.ext_net_id}
|
|
|
|
ri.add_floating_ip = mock.Mock(
|
|
return_value=l3_constants.FLOATINGIP_STATUS_ACTIVE)
|
|
with mock.patch.object(lla.LinkLocalAllocator, '_write'):
|
|
if ri.router['distributed']:
|
|
ri.fip_ns = agent.get_fip_ns(ex_gw_port['network_id'])
|
|
ri.create_dvr_fip_interfaces(ex_gw_port)
|
|
fip_statuses = ri.process_floating_ip_addresses(
|
|
mock.sentinel.interface_name)
|
|
self.assertEqual({fip_id: l3_constants.FLOATINGIP_STATUS_ACTIVE},
|
|
fip_statuses)
|
|
ri.add_floating_ip.assert_called_once_with(
|
|
floating_ips[0], mock.sentinel.interface_name, device)
|
|
|
|
@mock.patch.object(lla.LinkLocalAllocator, '_write')
|
|
def test_create_dvr_fip_interfaces_if_fipnamespace_exist(self, lla_write):
|
|
fake_network_id = _uuid()
|
|
subnet_id = _uuid()
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'floating_ip_address': '20.0.0.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'floating_network_id': _uuid(),
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
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': fake_network_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}]
|
|
)
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = agent_gateway_port
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
|
|
ext_gw_port = ri.router.get('gw_port')
|
|
ri.fip_ns = agent.get_fip_ns(ext_gw_port['network_id'])
|
|
ri.dist_fip_count = 0
|
|
agent.process_router_add = mock.Mock()
|
|
ri.fip_ns.create_rtr_2_fip_link = mock.Mock()
|
|
with mock.patch.object(ri, 'get_floating_ips') as fips, \
|
|
mock.patch.object(ri.fip_ns,
|
|
'create') as create_fip, \
|
|
mock.patch.object(ri, 'get_floating_agent_gw_interface'
|
|
) as fip_gw_port:
|
|
fips.return_value = fake_floatingips
|
|
fip_gw_port.return_value = agent_gateway_port[0]
|
|
ri.create_dvr_fip_interfaces(ext_gw_port)
|
|
self.assertTrue(fip_gw_port.called)
|
|
self.assertTrue(fips.called)
|
|
self.assertTrue(create_fip.called)
|
|
self.assertEqual(agent_gateway_port[0],
|
|
ri.fip_ns.agent_gateway_port)
|
|
# Now let us associate the fip to the router
|
|
ri.floating_ip_added_dist(fips, "192.168.0.1/32")
|
|
self.assertEqual(1, ri.dist_fip_count)
|
|
# Now let us disassociate the fip from the router
|
|
ri.floating_ip_removed_dist("192.168.0.1/32")
|
|
self.assertEqual(0, ri.dist_fip_count)
|
|
# Calling create_dvr_fip_interfaces again to make sure
|
|
# that the fip namespace create is not called again.
|
|
# If the create is not called again, that would contain
|
|
# the duplicate rules configuration in the fip namespace.
|
|
ri.create_dvr_fip_interfaces(ext_gw_port)
|
|
self.assertTrue(fip_gw_port.called)
|
|
self.assertTrue(fips.called)
|
|
create_fip.assert_called_once_with()
|
|
self.assertEqual(2, agent.process_router_add.call_count)
|
|
self.assertEqual(2, ri.fip_ns.create_rtr_2_fip_link.call_count)
|
|
|
|
@mock.patch.object(lla.LinkLocalAllocator, '_write')
|
|
def test_create_dvr_fip_interfaces_for_late_binding(self, lla_write):
|
|
fake_network_id = _uuid()
|
|
fake_subnet_id = _uuid()
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'floating_ip_address': '20.0.0.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'floating_network_id': _uuid(),
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
agent_gateway_port = (
|
|
{'fixed_ips': [
|
|
{'ip_address': '20.0.0.30',
|
|
'prefixlen': 24,
|
|
'subnet_id': fake_subnet_id}],
|
|
'subnets': [
|
|
{'id': fake_subnet_id,
|
|
'cidr': '20.0.0.0/24',
|
|
'gateway_ip': '20.0.0.1'}],
|
|
'id': _uuid(),
|
|
'network_id': fake_network_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
)
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = []
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
|
|
|
|
ext_gw_port = ri.router.get('gw_port')
|
|
ri.fip_ns = agent.get_fip_ns(ext_gw_port['network_id'])
|
|
ri.dist_fip_count = 0
|
|
ri.fip_ns.subscribe = mock.Mock()
|
|
with mock.patch.object(agent.plugin_rpc,
|
|
'get_agent_gateway_port') as fip_gw_port:
|
|
fip_gw_port.return_value = agent_gateway_port
|
|
ri.create_dvr_fip_interfaces(ext_gw_port)
|
|
self.assertTrue(fip_gw_port.called)
|
|
self.assertEqual(agent_gateway_port,
|
|
ri.fip_ns.agent_gateway_port)
|
|
|
|
@mock.patch.object(lla.LinkLocalAllocator, '_write')
|
|
def test_create_dvr_fip_interfaces(self, lla_write):
|
|
fake_network_id = _uuid()
|
|
subnet_id = _uuid()
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'floating_ip_address': '20.0.0.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'floating_network_id': _uuid(),
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
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': fake_network_id,
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}]
|
|
)
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = agent_gateway_port
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
|
|
|
|
ext_gw_port = ri.router.get('gw_port')
|
|
ri.fip_ns = agent.get_fip_ns(ext_gw_port['network_id'])
|
|
ri.dist_fip_count = 0
|
|
ri.fip_ns.subscribe = mock.Mock()
|
|
ri.fip_ns.agent_router_gateway = mock.Mock()
|
|
agent.process_router_add = mock.Mock()
|
|
|
|
with mock.patch.object(ri, 'get_floating_ips') as fips, \
|
|
mock.patch.object(ri, 'get_floating_agent_gw_interface'
|
|
) as fip_gw_port:
|
|
fips.return_value = fake_floatingips
|
|
fip_gw_port.return_value = agent_gateway_port[0]
|
|
ri.create_dvr_fip_interfaces(ext_gw_port)
|
|
self.assertTrue(fip_gw_port.called)
|
|
self.assertTrue(fips.called)
|
|
self.assertEqual(agent_gateway_port[0],
|
|
ri.fip_ns.agent_gateway_port)
|
|
self.assertTrue(ri.rtr_fip_subnet)
|
|
self.assertEqual(1, agent.process_router_add.call_count)
|
|
|
|
@mock.patch.object(lla.LinkLocalAllocator, '_write')
|
|
def test_create_dvr_fip_interfaces_for_restart_l3agent_case(self,
|
|
lla_write):
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'floating_ip_address': '20.0.0.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'floating_network_id': _uuid(),
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
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': 'fake_network_id',
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}]
|
|
)
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = agent_gateway_port
|
|
router['distributed'] = True
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
|
|
ext_gw_port = ri.router.get('gw_port')
|
|
ri.fip_ns = agent.get_fip_ns(ext_gw_port['network_id'])
|
|
ri.fip_ns.subscribe = mock.Mock(return_value=True)
|
|
ri.fip_ns.agent_router_gateway = mock.Mock()
|
|
ri.rtr_fip_subnet = None
|
|
ri.dist_fip_count = 0
|
|
|
|
with mock.patch.object(ri, 'get_floating_ips') as fips,\
|
|
mock.patch.object(ri, 'get_floating_agent_gw_interface'
|
|
) as fip_gw_port:
|
|
fips.return_value = fake_floatingips
|
|
fip_gw_port.return_value = agent_gateway_port[0]
|
|
ri.create_dvr_fip_interfaces(ext_gw_port)
|
|
self.assertTrue(fip_gw_port.called)
|
|
self.assertTrue(fips.called)
|
|
self.assertEqual(agent_gateway_port[0],
|
|
ri.fip_ns.agent_gateway_port)
|
|
self.assertTrue(ri.rtr_fip_subnet)
|
|
|
|
def test_process_router_cent_floating_ip_add(self):
|
|
fake_floatingips = {'floatingips': [
|
|
{'id': _uuid(),
|
|
'floating_ip_address': '15.1.2.3',
|
|
'fixed_ip_address': '192.168.0.1',
|
|
'status': 'DOWN',
|
|
'floating_network_id': _uuid(),
|
|
'port_id': _uuid(),
|
|
'host': HOSTNAME}]}
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
router[l3_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.iptables_manager.ipv4['nat'] = mock.MagicMock()
|
|
ri.get_external_device_name = mock.Mock(return_value='exgw')
|
|
self._test_process_floating_ip_addresses_add(ri, agent)
|
|
|
|
def test_process_router_snat_disabled(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(enable_snat=True)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process with NAT
|
|
ri.process(agent)
|
|
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
|
|
orig_mangle_rules = ri.iptables_manager.ipv4['mangle'].rules[:]
|
|
# Reprocess without NAT
|
|
router['enable_snat'] = False
|
|
# Reassign the router object to RouterInfo
|
|
ri.router = router
|
|
ri.process(agent)
|
|
# For some reason set logic does not work well with
|
|
# IpTablesRule instances
|
|
nat_rules_delta = [r for r in orig_nat_rules
|
|
if r not in ri.iptables_manager.ipv4['nat'].rules]
|
|
self.assertEqual(2, len(nat_rules_delta))
|
|
mangle_rules_delta = [
|
|
r for r in orig_mangle_rules
|
|
if r not in ri.iptables_manager.ipv4['mangle'].rules]
|
|
self.assertEqual(2, len(mangle_rules_delta))
|
|
self._verify_snat_mangle_rules(nat_rules_delta, mangle_rules_delta,
|
|
router)
|
|
self.assertEqual(1, self.send_adv_notif.call_count)
|
|
|
|
def test_process_router_snat_enabled(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(enable_snat=False)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process without NAT
|
|
ri.process(agent)
|
|
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
|
|
orig_mangle_rules = ri.iptables_manager.ipv4['mangle'].rules[:]
|
|
# Reprocess with NAT
|
|
router['enable_snat'] = True
|
|
# Reassign the router object to RouterInfo
|
|
ri.router = router
|
|
ri.process(agent)
|
|
# For some reason set logic does not work well with
|
|
# IpTablesRule instances
|
|
nat_rules_delta = [r for r in ri.iptables_manager.ipv4['nat'].rules
|
|
if r not in orig_nat_rules]
|
|
self.assertEqual(2, len(nat_rules_delta))
|
|
mangle_rules_delta = [
|
|
r for r in ri.iptables_manager.ipv4['mangle'].rules
|
|
if r not in orig_mangle_rules]
|
|
self.assertEqual(2, len(mangle_rules_delta))
|
|
self._verify_snat_mangle_rules(nat_rules_delta, mangle_rules_delta,
|
|
router)
|
|
self.assertEqual(1, self.send_adv_notif.call_count)
|
|
|
|
def _test_update_routing_table(self, is_snat_host=True):
|
|
router = l3_test_common.prepare_router_data()
|
|
uuid = router['id']
|
|
s_netns = 'snat-' + uuid
|
|
q_netns = 'qrouter-' + uuid
|
|
fake_route1 = {'destination': '135.207.0.0/16',
|
|
'nexthop': '19.4.4.200'}
|
|
calls = [mock.call('replace', fake_route1, q_netns)]
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent,
|
|
HOSTNAME,
|
|
uuid,
|
|
router,
|
|
**self.ri_kwargs)
|
|
ri._update_routing_table = mock.Mock()
|
|
|
|
with mock.patch.object(ri, '_is_this_snat_host') as snat_host:
|
|
snat_host.return_value = is_snat_host
|
|
ri.update_routing_table('replace', fake_route1)
|
|
if is_snat_host:
|
|
ri._update_routing_table('replace', fake_route1, s_netns)
|
|
calls += [mock.call('replace', fake_route1, s_netns)]
|
|
ri._update_routing_table.assert_has_calls(calls, any_order=True)
|
|
|
|
def test_process_update_snat_routing_table(self):
|
|
self._test_update_routing_table()
|
|
|
|
def test_process_not_update_snat_routing_table(self):
|
|
self._test_update_routing_table(is_snat_host=False)
|
|
|
|
def test_process_router_interface_added(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process with NAT
|
|
ri.process(agent)
|
|
# Add an interface and reprocess
|
|
l3_test_common.router_append_interface(router)
|
|
# Reassign the router object to RouterInfo
|
|
ri.router = router
|
|
ri.process(agent)
|
|
# send_ip_addr_adv_notif is called both times process is called
|
|
self.assertEqual(2, self.send_adv_notif.call_count)
|
|
|
|
def _test_process_ipv6_only_or_dual_stack_gw(self, dual_stack=False):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(ip_version=6,
|
|
dual_stack=dual_stack)
|
|
# Get NAT rules without the gw_port
|
|
gw_port = router['gw_port']
|
|
router['gw_port'] = None
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
|
|
|
|
# Get NAT rules with the gw_port
|
|
router['gw_port'] = gw_port
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
p = ri.external_gateway_nat_postroute_rules
|
|
s = ri.external_gateway_nat_snat_rules
|
|
attrs_to_mock = dict(
|
|
[(a, mock.DEFAULT) for a in
|
|
['external_gateway_nat_postroute_rules',
|
|
'external_gateway_nat_snat_rules']]
|
|
)
|
|
with mock.patch.multiple(ri, **attrs_to_mock) as mocks:
|
|
mocks['external_gateway_nat_postroute_rules'].side_effect = p
|
|
mocks['external_gateway_nat_snat_rules'].side_effect = s
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
new_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
|
|
|
|
# NAT rules should only change for dual_stack operation
|
|
if dual_stack:
|
|
self.assertTrue(
|
|
mocks['external_gateway_nat_postroute_rules'].called)
|
|
self.assertTrue(
|
|
mocks['external_gateway_nat_snat_rules'].called)
|
|
self.assertNotEqual(orig_nat_rules, new_nat_rules)
|
|
else:
|
|
self.assertFalse(
|
|
mocks['external_gateway_nat_postroute_rules'].called)
|
|
self.assertFalse(
|
|
mocks['external_gateway_nat_snat_rules'].called)
|
|
self.assertEqual(orig_nat_rules, new_nat_rules)
|
|
|
|
def test_process_ipv6_only_gw(self):
|
|
self._test_process_ipv6_only_or_dual_stack_gw()
|
|
|
|
def test_process_dual_stack_gw(self):
|
|
self._test_process_ipv6_only_or_dual_stack_gw(dual_stack=True)
|
|
|
|
def _process_router_ipv6_interface_added(
|
|
self, router, ra_mode=None, addr_mode=None):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process with NAT
|
|
ri.process(agent)
|
|
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
|
|
# Add an IPv6 interface and reprocess
|
|
l3_test_common.router_append_interface(router, count=1,
|
|
ip_version=6, ra_mode=ra_mode,
|
|
addr_mode=addr_mode)
|
|
# Reassign the router object to RouterInfo
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# IPv4 NAT rules should not be changed by adding an IPv6 interface
|
|
nat_rules_delta = [r for r in ri.iptables_manager.ipv4['nat'].rules
|
|
if r not in orig_nat_rules]
|
|
self.assertFalse(nat_rules_delta)
|
|
return ri
|
|
|
|
def _radvd_expected_call_external_process(self, ri, enable=True):
|
|
expected_calls = [mock.call(uuid=ri.router['id'],
|
|
service='radvd',
|
|
default_cmd_callback=mock.ANY,
|
|
namespace=ri.ns_name,
|
|
conf=mock.ANY,
|
|
run_as_root=True)]
|
|
if enable:
|
|
expected_calls.append(mock.call().enable(reload_cfg=True))
|
|
else:
|
|
expected_calls.append(mock.call().disable())
|
|
return expected_calls
|
|
|
|
def _process_router_ipv6_subnet_added(self, router,
|
|
ipv6_subnet_modes=None, dns_nameservers=None, network_mtu=0):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
agent.external_gateway_added = mock.Mock()
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# Add an IPv6 interface with len(ipv6_subnet_modes) subnets
|
|
# and reprocess
|
|
l3_test_common.router_append_subnet(
|
|
router,
|
|
count=len(ipv6_subnet_modes),
|
|
ip_version=6,
|
|
ipv6_subnet_modes=ipv6_subnet_modes,
|
|
dns_nameservers=dns_nameservers,
|
|
network_mtu=network_mtu)
|
|
# Reassign the router object to RouterInfo
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
return ri
|
|
|
|
def _assert_ri_process_enabled(self, ri):
|
|
"""Verify that process was enabled for a router instance."""
|
|
expected_calls = self._radvd_expected_call_external_process(ri)
|
|
self.assertEqual(expected_calls, self.external_process.mock_calls)
|
|
|
|
def _assert_ri_process_disabled(self, ri):
|
|
"""Verify that process was disabled for a router instance."""
|
|
expected_calls = self._radvd_expected_call_external_process(ri, False)
|
|
self.assertEqual(expected_calls, self.external_process.mock_calls)
|
|
|
|
def test_process_router_ipv6_interface_added(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = self._process_router_ipv6_interface_added(router)
|
|
self._assert_ri_process_enabled(ri)
|
|
# Expect radvd configured without prefix
|
|
self.assertNotIn('prefix', self.utils_replace_file.call_args[0][1])
|
|
|
|
def test_process_router_ipv6_slaac_interface_added(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = self._process_router_ipv6_interface_added(
|
|
router, ra_mode=l3_constants.IPV6_SLAAC)
|
|
self._assert_ri_process_enabled(ri)
|
|
# Expect radvd configured with prefix
|
|
radvd_config_str = self.utils_replace_file.call_args[0][1]
|
|
self.assertIn('prefix', radvd_config_str)
|
|
self.assertIn('AdvAutonomous on', radvd_config_str)
|
|
|
|
def test_process_router_ipv6_dhcpv6_stateful_interface_added(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = self._process_router_ipv6_interface_added(
|
|
router, ra_mode=l3_constants.DHCPV6_STATEFUL)
|
|
self._assert_ri_process_enabled(ri)
|
|
# Expect radvd configured with prefix
|
|
radvd_config_str = self.utils_replace_file.call_args[0][1]
|
|
self.assertIn('prefix', radvd_config_str)
|
|
self.assertIn('AdvAutonomous off', radvd_config_str)
|
|
|
|
def test_process_router_ipv6_subnets_added(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = self._process_router_ipv6_subnet_added(router, ipv6_subnet_modes=[
|
|
{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC},
|
|
{'ra_mode': l3_constants.DHCPV6_STATELESS,
|
|
'address_mode': l3_constants.DHCPV6_STATELESS},
|
|
{'ra_mode': l3_constants.DHCPV6_STATEFUL,
|
|
'address_mode': l3_constants.DHCPV6_STATEFUL}])
|
|
self._assert_ri_process_enabled(ri)
|
|
radvd_config_str = self.utils_replace_file.call_args[0][1]
|
|
# Assert we have a prefix from IPV6_SLAAC and a prefix from
|
|
# DHCPV6_STATELESS on one interface
|
|
self.assertEqual(3, radvd_config_str.count("prefix"))
|
|
self.assertEqual(1, radvd_config_str.count("interface"))
|
|
self.assertEqual(2, radvd_config_str.count("AdvAutonomous on"))
|
|
self.assertEqual(1, radvd_config_str.count("AdvAutonomous off"))
|
|
|
|
def test_process_router_ipv6_subnets_added_to_existing_port(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
agent.external_gateway_added = mock.Mock()
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# Add the first subnet on a new interface
|
|
l3_test_common.router_append_subnet(
|
|
router, count=1,
|
|
ip_version=6, ipv6_subnet_modes=[
|
|
{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}])
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
self._assert_ri_process_enabled(ri)
|
|
radvd_config = self.utils_replace_file.call_args[0][1].split()
|
|
self.assertEqual(1, len(ri.internal_ports[1]['subnets']))
|
|
self.assertEqual(1, len(ri.internal_ports[1]['fixed_ips']))
|
|
self.assertEqual(1, radvd_config.count("prefix"))
|
|
self.assertEqual(1, radvd_config.count("interface"))
|
|
# Reset mocks to verify radvd enabled and configured correctly
|
|
# after second subnet added to interface
|
|
self.external_process.reset_mock()
|
|
self.utils_replace_file.reset_mock()
|
|
# Add the second subnet on the same interface
|
|
interface_id = router[l3_constants.INTERFACE_KEY][1]['id']
|
|
l3_test_common.router_append_subnet(
|
|
router, count=1,
|
|
ip_version=6,
|
|
ipv6_subnet_modes=[
|
|
{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}],
|
|
interface_id=interface_id)
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# radvd should have been enabled again and the interface
|
|
# should have two prefixes
|
|
self._assert_ri_process_enabled(ri)
|
|
radvd_config = self.utils_replace_file.call_args[0][1].split()
|
|
self.assertEqual(2, len(ri.internal_ports[1]['subnets']))
|
|
self.assertEqual(2, len(ri.internal_ports[1]['fixed_ips']))
|
|
self.assertEqual(2, radvd_config.count("prefix"))
|
|
self.assertEqual(1, radvd_config.count("interface"))
|
|
|
|
def test_process_router_ipv6v4_interface_added(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process with NAT
|
|
ri.process(agent)
|
|
# Add an IPv4 and IPv6 interface and reprocess
|
|
l3_test_common.router_append_interface(router, count=1, ip_version=4)
|
|
l3_test_common.router_append_interface(router, count=1, ip_version=6)
|
|
# Reassign the router object to RouterInfo
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
self._assert_ri_process_enabled(ri)
|
|
|
|
def test_process_router_interface_removed(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=2)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# Process with NAT
|
|
ri.process(agent)
|
|
# Add an interface and reprocess
|
|
del router[l3_constants.INTERFACE_KEY][1]
|
|
# Reassign the router object to RouterInfo
|
|
ri.router = router
|
|
ri.process(agent)
|
|
# send_ip_addr_adv_notif is called both times process is called
|
|
self.assertEqual(2, self.send_adv_notif.call_count)
|
|
|
|
def test_process_router_ipv6_interface_removed(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# Add an IPv6 interface and reprocess
|
|
l3_test_common.router_append_interface(router, count=1, ip_version=6)
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
self._assert_ri_process_enabled(ri)
|
|
# Reset the calls so we can check for disable radvd
|
|
self.external_process.reset_mock()
|
|
self.process_monitor.reset_mock()
|
|
# Remove the IPv6 interface and reprocess
|
|
del router[l3_constants.INTERFACE_KEY][1]
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
self._assert_ri_process_disabled(ri)
|
|
|
|
def test_process_router_ipv6_subnet_removed(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
agent.external_gateway_added = mock.Mock()
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# Add an IPv6 interface with two subnets and reprocess
|
|
l3_test_common.router_append_subnet(
|
|
router, count=2, ip_version=6,
|
|
ipv6_subnet_modes=([{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}]
|
|
* 2))
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
self._assert_ri_process_enabled(ri)
|
|
# Reset mocks to check for modified radvd config
|
|
self.utils_replace_file.reset_mock()
|
|
self.external_process.reset_mock()
|
|
# Remove one subnet from the interface and reprocess
|
|
interfaces = copy.deepcopy(router[l3_constants.INTERFACE_KEY])
|
|
del interfaces[1]['subnets'][0]
|
|
del interfaces[1]['fixed_ips'][0]
|
|
router[l3_constants.INTERFACE_KEY] = interfaces
|
|
self._process_router_instance_for_agent(agent, ri, router)
|
|
# Assert radvd was enabled again and that we only have one
|
|
# prefix on the interface
|
|
self._assert_ri_process_enabled(ri)
|
|
radvd_config = self.utils_replace_file.call_args[0][1].split()
|
|
self.assertEqual(1, len(ri.internal_ports[1]['subnets']))
|
|
self.assertEqual(1, len(ri.internal_ports[1]['fixed_ips']))
|
|
self.assertEqual(1, radvd_config.count("interface"))
|
|
self.assertEqual(1, radvd_config.count("prefix"))
|
|
|
|
def test_process_router_internal_network_added_unexpected_error(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
with mock.patch.object(
|
|
ri,
|
|
'internal_network_added') as internal_network_added:
|
|
# raise RuntimeError to simulate that an unexpected exception
|
|
# occurs
|
|
internal_network_added.side_effect = RuntimeError
|
|
self.assertRaises(RuntimeError, ri.process, agent)
|
|
self.assertNotIn(
|
|
router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
|
|
|
|
# The unexpected exception has been fixed manually
|
|
internal_network_added.side_effect = None
|
|
|
|
# periodic_sync_routers_task finds out that _rpc_loop failed to
|
|
# process the router last time, it will retry in the next run.
|
|
ri.process(agent)
|
|
# We were able to add the port to ri.internal_ports
|
|
self.assertIn(
|
|
router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
|
|
|
|
def test_process_router_internal_network_removed_unexpected_error(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
# add an internal port
|
|
ri.process(agent)
|
|
|
|
with mock.patch.object(
|
|
ri,
|
|
'internal_network_removed') as internal_net_removed:
|
|
# raise RuntimeError to simulate that an unexpected exception
|
|
# occurs
|
|
internal_net_removed.side_effect = RuntimeError
|
|
ri.internal_ports[0]['admin_state_up'] = False
|
|
# The above port is set to down state, remove it.
|
|
self.assertRaises(RuntimeError, ri.process, agent)
|
|
self.assertIn(
|
|
router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
|
|
|
|
# The unexpected exception has been fixed manually
|
|
internal_net_removed.side_effect = None
|
|
|
|
# periodic_sync_routers_task finds out that _rpc_loop failed to
|
|
# process the router last time, it will retry in the next run.
|
|
ri.process(agent)
|
|
# We were able to remove the port from ri.internal_ports
|
|
self.assertNotIn(
|
|
router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
|
|
|
|
def test_process_router_floatingip_nochange(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=1)
|
|
fip1 = {'id': _uuid(), 'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7', 'status': 'ACTIVE',
|
|
'port_id': router[l3_constants.INTERFACE_KEY][0]['id']}
|
|
fip2 = copy.copy(fip1)
|
|
fip2.update({'id': _uuid(), 'status': 'DOWN',
|
|
'floating_ip_address': '9.9.9.9'})
|
|
router[l3_constants.FLOATINGIP_KEY] = [fip1, fip2]
|
|
|
|
ri = legacy_router.LegacyRouter(router['id'], router,
|
|
**self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
with mock.patch.object(
|
|
agent.plugin_rpc, 'update_floatingip_statuses'
|
|
) as mock_update_fip_status,\
|
|
mock.patch.object(ri, 'get_router_cidrs') as mock_get_cidrs:
|
|
mock_get_cidrs.return_value = set(
|
|
[fip1['floating_ip_address'] + '/32'])
|
|
ri.process(agent)
|
|
# make sure only the one that wasn't in existing cidrs was sent
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id, {fip2['id']: 'ACTIVE'})
|
|
|
|
def test_process_router_floatingip_status_update_if_processed(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=1)
|
|
fip1 = {'id': _uuid(), 'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7', 'status': 'ACTIVE',
|
|
'port_id': router[l3_constants.INTERFACE_KEY][0]['id']}
|
|
fip2 = copy.copy(fip1)
|
|
fip2.update({'id': _uuid(), 'status': 'DOWN', })
|
|
router[l3_constants.FLOATINGIP_KEY] = [fip1, fip2]
|
|
|
|
ri = legacy_router.LegacyRouter(router['id'], router,
|
|
**self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
with mock.patch.object(
|
|
agent.plugin_rpc, 'update_floatingip_statuses'
|
|
) as mock_update_fip_status,\
|
|
mock.patch.object(ri, 'get_router_cidrs') as mock_get_cidrs:
|
|
mock_get_cidrs.return_value = set()
|
|
ri.process(agent)
|
|
# make sure both was sent since not existed in existing cidrs
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id, {fip1['id']: 'ACTIVE',
|
|
fip2['id']: 'ACTIVE'})
|
|
|
|
def test_process_router_floatingip_disabled(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
with mock.patch.object(
|
|
agent.plugin_rpc,
|
|
'update_floatingip_statuses') as mock_update_fip_status:
|
|
fip_id = _uuid()
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=1)
|
|
router[l3_constants.FLOATINGIP_KEY] = [
|
|
{'id': fip_id,
|
|
'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7',
|
|
'status': 'DOWN',
|
|
'port_id': router[l3_constants.INTERFACE_KEY][0]['id']}]
|
|
|
|
ri = legacy_router.LegacyRouter(router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
ri.external_gateway_added = mock.Mock()
|
|
ri.process(agent)
|
|
# Assess the call for putting the floating IP up was performed
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id,
|
|
{fip_id: l3_constants.FLOATINGIP_STATUS_ACTIVE})
|
|
mock_update_fip_status.reset_mock()
|
|
# Process the router again, this time without floating IPs
|
|
router[l3_constants.FLOATINGIP_KEY] = []
|
|
ri.router = router
|
|
ri.process(agent)
|
|
# Assess the call for putting the floating IP up was performed
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id,
|
|
{fip_id: l3_constants.FLOATINGIP_STATUS_DOWN})
|
|
|
|
def test_process_router_floatingip_exception(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
with mock.patch.object(
|
|
agent.plugin_rpc,
|
|
'update_floatingip_statuses') as mock_update_fip_status:
|
|
fip_id = _uuid()
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=1)
|
|
router[l3_constants.FLOATINGIP_KEY] = [
|
|
{'id': fip_id,
|
|
'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7',
|
|
'port_id': router[l3_constants.INTERFACE_KEY][0]['id']}]
|
|
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.process_floating_ip_addresses = mock.Mock(
|
|
side_effect=RuntimeError)
|
|
ri.external_gateway_added = mock.Mock()
|
|
ri.process(agent)
|
|
# Assess the call for putting the floating IP into Error
|
|
# was performed
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id,
|
|
{fip_id: l3_constants.FLOATINGIP_STATUS_ERROR})
|
|
|
|
def test_process_external_iptables_exception(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
with mock.patch.object(
|
|
agent.plugin_rpc,
|
|
'update_floatingip_statuses') as mock_update_fip_status:
|
|
fip_id = _uuid()
|
|
router = l3_test_common.prepare_router_data(num_internal_ports=1)
|
|
router[l3_constants.FLOATINGIP_KEY] = [
|
|
{'id': fip_id,
|
|
'floating_ip_address': '8.8.8.8',
|
|
'fixed_ip_address': '7.7.7.7',
|
|
'port_id': router[l3_constants.INTERFACE_KEY][0]['id']}]
|
|
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
ri.iptables_manager._apply = mock.Mock(side_effect=Exception)
|
|
ri.process_external(agent)
|
|
# Assess the call for putting the floating IP into Error
|
|
# was performed
|
|
mock_update_fip_status.assert_called_once_with(
|
|
mock.ANY, ri.router_id,
|
|
{fip_id: l3_constants.FLOATINGIP_STATUS_ERROR})
|
|
|
|
self.assertEqual(1, ri.iptables_manager._apply.call_count)
|
|
|
|
def test_handle_router_snat_rules_distributed_without_snat_manager(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent,
|
|
HOSTNAME,
|
|
'foo_router_id',
|
|
{},
|
|
**self.ri_kwargs)
|
|
ri.iptables_manager = mock.Mock()
|
|
ri._is_this_snat_host = mock.Mock(return_value=True)
|
|
ri.get_ex_gw_port = mock.Mock(return_value=mock.ANY)
|
|
|
|
with mock.patch.object(dvr_router.LOG, 'debug') as log_debug:
|
|
ri._handle_router_snat_rules(mock.ANY, mock.ANY)
|
|
self.assertIsNone(ri.snat_iptables_manager)
|
|
self.assertFalse(ri.iptables_manager.called)
|
|
self.assertTrue(log_debug.called)
|
|
|
|
def test_handle_router_snat_rules_add_back_jump(self):
|
|
ri = l3router.RouterInfo(_uuid(), {}, **self.ri_kwargs)
|
|
ri.iptables_manager = mock.MagicMock()
|
|
port = {'fixed_ips': [{'ip_address': '192.168.1.4'}]}
|
|
|
|
ri._handle_router_snat_rules(port, "iface")
|
|
|
|
nat = ri.iptables_manager.ipv4['nat']
|
|
nat.empty_chain.assert_any_call('snat')
|
|
nat.add_rule.assert_any_call('snat', '-j $float-snat')
|
|
for call in nat.mock_calls:
|
|
name, args, kwargs = call
|
|
if name == 'add_rule':
|
|
self.assertEqual(('snat', '-j $float-snat'), args)
|
|
self.assertEqual({}, kwargs)
|
|
break
|
|
|
|
def test_handle_router_snat_rules_add_rules(self):
|
|
ri = l3router.RouterInfo(_uuid(), {}, **self.ri_kwargs)
|
|
ex_gw_port = {'fixed_ips': [{'ip_address': '192.168.1.4'}]}
|
|
ri.router = {'distributed': False}
|
|
ri._handle_router_snat_rules(ex_gw_port, "iface")
|
|
|
|
nat_rules = list(map(str, ri.iptables_manager.ipv4['nat'].rules))
|
|
wrap_name = ri.iptables_manager.wrap_name
|
|
|
|
jump_float_rule = "-A %s-snat -j %s-float-snat" % (wrap_name,
|
|
wrap_name)
|
|
snat_rule1 = ("-A %s-snat -o iface -j SNAT --to-source %s") % (
|
|
wrap_name, ex_gw_port['fixed_ips'][0]['ip_address'])
|
|
snat_rule2 = ("-A %s-snat -m mark ! --mark 0x2/%s "
|
|
"-m conntrack --ctstate DNAT "
|
|
"-j SNAT --to-source %s") % (
|
|
wrap_name, l3_constants.ROUTER_MARK_MASK,
|
|
ex_gw_port['fixed_ips'][0]['ip_address'])
|
|
|
|
self.assertIn(jump_float_rule, nat_rules)
|
|
|
|
self.assertIn(snat_rule1, nat_rules)
|
|
self.assertIn(snat_rule2, nat_rules)
|
|
self.assertThat(nat_rules.index(jump_float_rule),
|
|
matchers.LessThan(nat_rules.index(snat_rule1)))
|
|
|
|
mangle_rules = list(map(str, ri.iptables_manager.ipv4['mangle'].rules))
|
|
mangle_rule = ("-A %s-mark -i iface "
|
|
"-j MARK --set-xmark 0x2/%s" %
|
|
(wrap_name, l3_constants.ROUTER_MARK_MASK))
|
|
self.assertIn(mangle_rule, mangle_rules)
|
|
|
|
def test_process_router_delete_stale_internal_devices(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
stale_devlist = [l3_test_common.FakeDev('qr-a1b2c3d4-e5'),
|
|
l3_test_common.FakeDev('qr-b2c3d4e5-f6')]
|
|
stale_devnames = [dev.name for dev in stale_devlist]
|
|
|
|
get_devices_return = []
|
|
get_devices_return.extend(stale_devlist)
|
|
self.mock_ip.get_devices.return_value = get_devices_return
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True,
|
|
num_internal_ports=1)
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
|
|
internal_ports = ri.router.get(l3_constants.INTERFACE_KEY, [])
|
|
self.assertEqual(1, len(internal_ports))
|
|
internal_port = internal_ports[0]
|
|
|
|
with mock.patch.object(ri, 'internal_network_removed'
|
|
) as internal_network_removed,\
|
|
mock.patch.object(ri, 'internal_network_added'
|
|
) as internal_network_added,\
|
|
mock.patch.object(ri, 'external_gateway_removed'
|
|
) as external_gateway_removed,\
|
|
mock.patch.object(ri, 'external_gateway_added'
|
|
) as external_gateway_added:
|
|
|
|
ri.process(agent)
|
|
|
|
self.assertEqual(1, external_gateway_added.call_count)
|
|
self.assertFalse(external_gateway_removed.called)
|
|
self.assertFalse(internal_network_removed.called)
|
|
internal_network_added.assert_called_once_with(internal_port)
|
|
self.assertEqual(len(stale_devnames),
|
|
self.mock_driver.unplug.call_count)
|
|
calls = [mock.call(stale_devname,
|
|
namespace=ri.ns_name,
|
|
prefix=l3_agent.INTERNAL_DEV_PREFIX)
|
|
for stale_devname in stale_devnames]
|
|
self.mock_driver.unplug.assert_has_calls(calls, any_order=True)
|
|
|
|
def test_process_router_delete_stale_external_devices(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
stale_devlist = [l3_test_common.FakeDev('qg-a1b2c3d4-e5')]
|
|
stale_devnames = [dev.name for dev in stale_devlist]
|
|
|
|
router = l3_test_common.prepare_router_data(enable_snat=True,
|
|
num_internal_ports=1)
|
|
del router['gw_port']
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
|
|
self.mock_ip.get_devices.return_value = stale_devlist
|
|
|
|
ri.process(agent)
|
|
|
|
self.mock_driver.unplug.assert_called_with(
|
|
stale_devnames[0],
|
|
bridge="br-ex",
|
|
namespace=ri.ns_name,
|
|
prefix=l3_agent.EXTERNAL_DEV_PREFIX)
|
|
|
|
def test_router_deleted(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent._queue = mock.Mock()
|
|
agent.router_deleted(None, FAKE_ID)
|
|
self.assertEqual(1, agent._queue.add.call_count)
|
|
|
|
def test_routers_updated(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent._queue = mock.Mock()
|
|
agent.routers_updated(None, [FAKE_ID])
|
|
self.assertEqual(1, agent._queue.add.call_count)
|
|
|
|
def test_removed_from_agent(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent._queue = mock.Mock()
|
|
agent.router_removed_from_agent(None, {'router_id': FAKE_ID})
|
|
self.assertEqual(1, agent._queue.add.call_count)
|
|
|
|
def test_added_to_agent(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent._queue = mock.Mock()
|
|
agent.router_added_to_agent(None, [FAKE_ID])
|
|
self.assertEqual(1, agent._queue.add.call_count)
|
|
|
|
def test_destroy_namespace(self):
|
|
namespace = 'qrouter-bar'
|
|
|
|
self.mock_ip.get_namespaces.return_value = [namespace]
|
|
self.mock_ip.get_devices.return_value = [
|
|
l3_test_common.FakeDev('qr-aaaa'),
|
|
l3_test_common.FakeDev('rfp-aaaa')]
|
|
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
ns = namespaces.RouterNamespace(
|
|
'bar', self.conf, agent.driver, agent.use_ipv6)
|
|
ns.create()
|
|
|
|
ns.delete()
|
|
self.mock_driver.unplug.assert_called_once_with('qr-aaaa',
|
|
prefix='qr-',
|
|
namespace='qrouter'
|
|
'-bar')
|
|
self.mock_ip.del_veth.assert_called_once_with('rfp-aaaa')
|
|
|
|
def test_destroy_router_namespace(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
ns = namespaces.Namespace(
|
|
'qrouter-bar', self.conf, agent.driver, agent.use_ipv6)
|
|
ns.create()
|
|
ns.delete()
|
|
self.mock_ip.netns.delete.assert_called_once_with("qrouter-bar")
|
|
|
|
def _configure_metadata_proxy(self, enableflag=True):
|
|
if not enableflag:
|
|
self.conf.set_override('enable_metadata_proxy', False)
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router_id = _uuid()
|
|
router = {'id': router_id,
|
|
'external_gateway_info': {},
|
|
'routes': [],
|
|
'distributed': False}
|
|
driver = metadata_driver.MetadataDriver
|
|
with mock.patch.object(
|
|
driver, 'destroy_monitored_metadata_proxy') as destroy_proxy:
|
|
with mock.patch.object(
|
|
driver, 'spawn_monitored_metadata_proxy') as spawn_proxy:
|
|
agent._process_added_router(router)
|
|
if enableflag:
|
|
spawn_proxy.assert_called_with(
|
|
mock.ANY,
|
|
mock.ANY,
|
|
self.conf.metadata_port,
|
|
mock.ANY,
|
|
router_id=router_id
|
|
)
|
|
else:
|
|
self.assertFalse(spawn_proxy.call_count)
|
|
agent._router_removed(router_id)
|
|
if enableflag:
|
|
destroy_proxy.assert_called_with(mock.ANY,
|
|
router_id,
|
|
mock.ANY)
|
|
else:
|
|
self.assertFalse(destroy_proxy.call_count)
|
|
|
|
def test_enable_metadata_proxy(self):
|
|
self._configure_metadata_proxy()
|
|
|
|
def test_disable_metadata_proxy_spawn(self):
|
|
self._configure_metadata_proxy(enableflag=False)
|
|
|
|
def test_router_id_specified_in_conf(self):
|
|
self.conf.set_override('router_id', '1234')
|
|
self._configure_metadata_proxy()
|
|
|
|
def _test_process_routers_update_rpc_timeout(self, ext_net_call=False,
|
|
ext_net_call_failed=False):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.fullsync = False
|
|
agent._process_router_if_compatible = mock.Mock()
|
|
if ext_net_call_failed:
|
|
agent._process_router_if_compatible.side_effect = (
|
|
oslo_messaging.MessagingTimeout)
|
|
agent._queue = mock.Mock()
|
|
agent._resync_router = mock.Mock()
|
|
update = mock.Mock()
|
|
update.router = None
|
|
agent._queue.each_update_to_next_router.side_effect = [
|
|
[(None, update)]]
|
|
agent._process_router_update()
|
|
self.assertFalse(agent.fullsync)
|
|
self.assertEqual(ext_net_call,
|
|
agent._process_router_if_compatible.called)
|
|
agent._resync_router.assert_called_with(update)
|
|
|
|
def test_process_routers_update_rpc_timeout_on_get_routers(self):
|
|
self.plugin_api.get_routers.side_effect = (
|
|
oslo_messaging.MessagingTimeout)
|
|
self._test_process_routers_update_rpc_timeout()
|
|
|
|
def test_process_routers_update_resyncs_failed_router(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
# Attempting to configure the router will fail
|
|
agent._process_router_if_compatible = mock.MagicMock()
|
|
agent._process_router_if_compatible.side_effect = RuntimeError()
|
|
|
|
# Queue an update from a full sync
|
|
update = router_processing_queue.RouterUpdate(
|
|
42,
|
|
router_processing_queue.PRIORITY_SYNC_ROUTERS_TASK,
|
|
router=mock.Mock(),
|
|
timestamp=timeutils.utcnow())
|
|
agent._queue.add(update)
|
|
agent._process_router_update()
|
|
|
|
# The update contained the router object, get_routers won't be called
|
|
self.assertFalse(agent.plugin_rpc.get_routers.called)
|
|
|
|
# The update failed, assert that get_routers was called
|
|
agent._process_router_update()
|
|
self.assertTrue(agent.plugin_rpc.get_routers.called)
|
|
|
|
def test_process_routers_update_rpc_timeout_on_get_ext_net(self):
|
|
self._test_process_routers_update_rpc_timeout(ext_net_call=True,
|
|
ext_net_call_failed=True)
|
|
|
|
def _test_process_routers_update_router_deleted(self, error=False):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent._queue = mock.Mock()
|
|
update = mock.Mock()
|
|
update.router = None
|
|
update.action = 1 # ROUTER_DELETED
|
|
router_info = mock.MagicMock()
|
|
agent.router_info[update.id] = router_info
|
|
router_processor = mock.Mock()
|
|
agent._queue.each_update_to_next_router.side_effect = [
|
|
[(router_processor, update)]]
|
|
agent._resync_router = mock.Mock()
|
|
if error:
|
|
agent._safe_router_removed = mock.Mock()
|
|
agent._safe_router_removed.return_value = False
|
|
agent._process_router_update()
|
|
if error:
|
|
self.assertFalse(router_processor.fetched_and_processed.called)
|
|
agent._resync_router.assert_called_with(update)
|
|
else:
|
|
router_info.delete.assert_called_once_with(agent)
|
|
self.assertFalse(agent.router_info)
|
|
self.assertFalse(agent._resync_router.called)
|
|
router_processor.fetched_and_processed.assert_called_once_with(
|
|
update.timestamp)
|
|
|
|
def test_process_routers_update_router_deleted_success(self):
|
|
self._test_process_routers_update_router_deleted()
|
|
|
|
def test_process_routers_update_router_deleted_error(self):
|
|
self._test_process_routers_update_router_deleted(True)
|
|
|
|
def test_process_router_if_compatible_with_no_ext_net_in_conf(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.plugin_api.get_external_network_id.return_value = 'aaa'
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'aaa'}}
|
|
|
|
agent._process_router_if_compatible(router)
|
|
self.assertIn(router['id'], agent.router_info)
|
|
self.plugin_api.get_external_network_id.assert_called_with(
|
|
agent.context)
|
|
|
|
def test_process_router_if_compatible_with_cached_ext_net(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.plugin_api.get_external_network_id.return_value = 'aaa'
|
|
agent.target_ex_net_id = 'aaa'
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'aaa'}}
|
|
|
|
agent._process_router_if_compatible(router)
|
|
self.assertIn(router['id'], agent.router_info)
|
|
self.assertFalse(self.plugin_api.get_external_network_id.called)
|
|
|
|
def test_process_router_if_compatible_with_stale_cached_ext_net(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.plugin_api.get_external_network_id.return_value = 'aaa'
|
|
agent.target_ex_net_id = 'bbb'
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'aaa'}}
|
|
|
|
agent._process_router_if_compatible(router)
|
|
self.assertIn(router['id'], agent.router_info)
|
|
self.plugin_api.get_external_network_id.assert_called_with(
|
|
agent.context)
|
|
|
|
def test_process_router_if_compatible_w_no_ext_net_and_2_net_plugin(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'aaa'}}
|
|
|
|
agent.router_info = {}
|
|
self.plugin_api.get_external_network_id.side_effect = (
|
|
n_exc.TooManyExternalNetworks())
|
|
self.assertRaises(n_exc.TooManyExternalNetworks,
|
|
agent._process_router_if_compatible,
|
|
router)
|
|
self.assertNotIn(router['id'], agent.router_info)
|
|
|
|
def test_process_router_if_compatible_with_ext_net_in_conf(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.plugin_api.get_external_network_id.return_value = 'aaa'
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'bbb'}}
|
|
|
|
agent.router_info = {}
|
|
self.conf.set_override('gateway_external_network_id', 'aaa')
|
|
self.assertRaises(n_exc.RouterNotCompatibleWithAgent,
|
|
agent._process_router_if_compatible,
|
|
router)
|
|
self.assertNotIn(router['id'], agent.router_info)
|
|
|
|
def test_process_router_if_compatible_with_no_bridge_no_ext_net(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.plugin_api.get_external_network_id.return_value = 'aaa'
|
|
|
|
router = {'id': _uuid(),
|
|
'routes': [],
|
|
'admin_state_up': True,
|
|
'external_gateway_info': {'network_id': 'aaa'}}
|
|
|
|
agent.router_info = {}
|
|
self.conf.set_override('external_network_bridge', '')
|
|
agent._process_router_if_compatible(router)
|
|
self.assertIn(router['id'], agent.router_info)
|
|
|
|
def test_nonexistent_interface_driver(self):
|
|
self.conf.set_override('interface_driver', None)
|
|
self.assertRaises(SystemExit, l3_agent.L3NATAgent,
|
|
HOSTNAME, self.conf)
|
|
|
|
self.conf.set_override('interface_driver', 'wrong.driver')
|
|
self.assertRaises(SystemExit, l3_agent.L3NATAgent,
|
|
HOSTNAME, self.conf)
|
|
|
|
@mock.patch.object(namespaces.RouterNamespace, 'delete')
|
|
@mock.patch.object(dvr_snat_ns.SnatNamespace, 'delete')
|
|
def _cleanup_namespace_test(self,
|
|
stale_namespace_list,
|
|
router_list,
|
|
other_namespaces,
|
|
mock_snat_ns,
|
|
mock_router_ns):
|
|
|
|
good_namespace_list = [namespaces.NS_PREFIX + r['id']
|
|
for r in router_list]
|
|
good_namespace_list += [dvr_snat_ns.SNAT_NS_PREFIX + r['id']
|
|
for r in router_list]
|
|
self.mock_ip.get_namespaces.return_value = (stale_namespace_list +
|
|
good_namespace_list +
|
|
other_namespaces)
|
|
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
self.assertTrue(agent.namespaces_manager._clean_stale)
|
|
|
|
pm = self.external_process.return_value
|
|
pm.reset_mock()
|
|
|
|
with agent.namespaces_manager as ns_manager:
|
|
for r in router_list:
|
|
ns_manager.keep_router(r['id'])
|
|
qrouters = [n for n in stale_namespace_list
|
|
if n.startswith(namespaces.NS_PREFIX)]
|
|
self.assertEqual(len(qrouters), mock_router_ns.call_count)
|
|
self.assertEqual(
|
|
len(stale_namespace_list) - len(qrouters),
|
|
mock_snat_ns.call_count)
|
|
|
|
self.assertFalse(agent.namespaces_manager._clean_stale)
|
|
|
|
def test_cleanup_namespace(self):
|
|
self.conf.set_override('router_id', None)
|
|
stale_namespaces = [namespaces.NS_PREFIX + 'foo',
|
|
namespaces.NS_PREFIX + 'bar',
|
|
dvr_snat_ns.SNAT_NS_PREFIX + 'foo']
|
|
other_namespaces = ['unknown']
|
|
|
|
self._cleanup_namespace_test(stale_namespaces,
|
|
[],
|
|
other_namespaces)
|
|
|
|
def test_cleanup_namespace_with_registered_router_ids(self):
|
|
self.conf.set_override('router_id', None)
|
|
stale_namespaces = [namespaces.NS_PREFIX + 'cccc',
|
|
namespaces.NS_PREFIX + 'eeeee',
|
|
dvr_snat_ns.SNAT_NS_PREFIX + 'fffff']
|
|
router_list = [{'id': 'foo', 'distributed': False},
|
|
{'id': 'aaaa', 'distributed': False}]
|
|
other_namespaces = ['qdhcp-aabbcc', 'unknown']
|
|
|
|
self._cleanup_namespace_test(stale_namespaces,
|
|
router_list,
|
|
other_namespaces)
|
|
|
|
def test_cleanup_namespace_with_conf_router_id(self):
|
|
self.conf.set_override('router_id', 'bbbbb')
|
|
stale_namespaces = [namespaces.NS_PREFIX + 'cccc',
|
|
namespaces.NS_PREFIX + 'eeeee',
|
|
namespaces.NS_PREFIX + self.conf.router_id]
|
|
router_list = [{'id': 'foo', 'distributed': False},
|
|
{'id': 'aaaa', 'distributed': False}]
|
|
other_namespaces = ['qdhcp-aabbcc', 'unknown']
|
|
|
|
self._cleanup_namespace_test(stale_namespaces,
|
|
router_list,
|
|
other_namespaces)
|
|
|
|
def test_create_dvr_gateway(self):
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = dvr_router.DvrEdgeRouter(agent,
|
|
HOSTNAME,
|
|
router['id'],
|
|
router,
|
|
**self.ri_kwargs)
|
|
|
|
port_id = _uuid()
|
|
subnet_id = _uuid()
|
|
dvr_gw_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': port_id,
|
|
'network_id': _uuid(),
|
|
'mac_address': 'ca:fe:de:ad:be:ef'}
|
|
|
|
interface_name = ri._get_snat_int_device_name(port_id)
|
|
self.device_exists.return_value = False
|
|
|
|
with mock.patch.object(ri, 'get_snat_interfaces') as get_interfaces:
|
|
get_interfaces.return_value = self.snat_ports
|
|
ri._create_dvr_gateway(dvr_gw_port, interface_name)
|
|
|
|
# check 2 internal ports are plugged
|
|
# check 1 ext-gw-port is plugged
|
|
self.assertEqual(3, self.mock_driver.plug.call_count)
|
|
self.assertEqual(3, self.mock_driver.init_router_port.call_count)
|
|
|
|
def test_get_service_plugin_list(self):
|
|
service_plugins = [p_const.L3_ROUTER_NAT]
|
|
self.plugin_api.get_service_plugin_list.return_value = service_plugins
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.assertEqual(service_plugins, agent.neutron_service_plugins)
|
|
self.assertTrue(self.plugin_api.get_service_plugin_list.called)
|
|
|
|
def test_get_service_plugin_list_failed(self):
|
|
raise_rpc = oslo_messaging.RemoteError()
|
|
self.plugin_api.get_service_plugin_list.side_effect = raise_rpc
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
self.assertIsNone(agent.neutron_service_plugins)
|
|
self.assertTrue(self.plugin_api.get_service_plugin_list.called)
|
|
|
|
def test_get_service_plugin_list_retried(self):
|
|
raise_timeout = oslo_messaging.MessagingTimeout()
|
|
# Raise a timeout the first 2 times it calls
|
|
# get_service_plugin_list then return a empty tuple
|
|
self.plugin_api.get_service_plugin_list.side_effect = (
|
|
raise_timeout, raise_timeout, tuple()
|
|
)
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
self.assertEqual(tuple(), agent.neutron_service_plugins)
|
|
|
|
def test_get_service_plugin_list_retried_max(self):
|
|
raise_timeout = oslo_messaging.MessagingTimeout()
|
|
# Raise a timeout 5 times
|
|
self.plugin_api.get_service_plugin_list.side_effect = (
|
|
(raise_timeout, ) * 5
|
|
)
|
|
self.assertRaises(oslo_messaging.MessagingTimeout, l3_agent.L3NATAgent,
|
|
HOSTNAME, self.conf)
|
|
|
|
def test_external_gateway_removed_ext_gw_port_no_fip_ns(self):
|
|
self.conf.set_override('state_path', '/tmp')
|
|
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.conf.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']
|
|
ri = dvr_router.DvrEdgeRouter(
|
|
agent, HOSTNAME, router['id'], router, **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.fip_ns = None
|
|
nat = ri.iptables_manager.ipv4['nat']
|
|
nat.clear_rules_by_tag = mock.Mock()
|
|
nat.add_rule = mock.Mock()
|
|
|
|
ri.snat_namespace = mock.Mock()
|
|
ri.external_gateway_removed(
|
|
ri.ex_gw_port,
|
|
ri.get_external_device_name(ri.ex_gw_port['id']))
|
|
|
|
self.assertFalse(ri.remove_floating_ip.called)
|
|
|
|
def test_spawn_radvd(self):
|
|
router = l3_test_common.prepare_router_data(ip_version=6)
|
|
|
|
conffile = '/fake/radvd.conf'
|
|
pidfile = '/fake/radvd.pid'
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
|
|
# we don't want the whole process manager to be mocked to be
|
|
# able to catch execute() calls
|
|
self.external_process_p.stop()
|
|
self.ip_cls_p.stop()
|
|
|
|
get_conf_file_name = 'neutron.agent.linux.utils.get_conf_file_name'
|
|
get_pid_file_name = ('neutron.agent.linux.external_process.'
|
|
'ProcessManager.get_pid_file_name')
|
|
utils_execute = 'neutron.agent.common.utils.execute'
|
|
|
|
mock.patch(get_conf_file_name).start().return_value = conffile
|
|
mock.patch(get_pid_file_name).start().return_value = pidfile
|
|
execute = mock.patch(utils_execute).start()
|
|
|
|
radvd = ra.DaemonMonitor(
|
|
router['id'],
|
|
namespaces.RouterNamespace._get_ns_name(router['id']),
|
|
agent.process_monitor,
|
|
l3_test_common.FakeDev,
|
|
self.conf)
|
|
radvd.enable(router['_interfaces'])
|
|
|
|
cmd = execute.call_args[0][0]
|
|
|
|
self.assertIn('radvd', cmd)
|
|
|
|
_join = lambda *args: ' '.join(args)
|
|
|
|
cmd = _join(*cmd)
|
|
self.assertIn(_join('-C', conffile), cmd)
|
|
self.assertIn(_join('-p', pidfile), cmd)
|
|
self.assertIn(_join('-m', 'syslog'), cmd)
|
|
|
|
def test_generate_radvd_mtu_conf(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ipv6_subnet_modes = [{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}]
|
|
network_mtu = '1446'
|
|
ri = self._process_router_ipv6_subnet_added(router,
|
|
ipv6_subnet_modes,
|
|
None,
|
|
network_mtu)
|
|
expected = "AdvLinkMTU 1446"
|
|
ri.agent_conf.set_override('advertise_mtu', False)
|
|
ri.radvd._generate_radvd_conf(router[l3_constants.INTERFACE_KEY])
|
|
self.assertNotIn(expected, self.utils_replace_file.call_args[0][1])
|
|
|
|
# Verify that MTU is advertised when advertise_mtu is True
|
|
ri.agent_conf.set_override('advertise_mtu', True)
|
|
ri.radvd._generate_radvd_conf(router[l3_constants.INTERFACE_KEY])
|
|
self.assertIn(expected, self.utils_replace_file.call_args[0][1])
|
|
|
|
def test_generate_radvd_conf_other_and_managed_flag(self):
|
|
# expected = {ra_mode: (AdvOtherConfigFlag, AdvManagedFlag), ...}
|
|
expected = {l3_constants.IPV6_SLAAC: (False, False),
|
|
l3_constants.DHCPV6_STATELESS: (True, False),
|
|
l3_constants.DHCPV6_STATEFUL: (False, True)}
|
|
|
|
modes = [l3_constants.IPV6_SLAAC, l3_constants.DHCPV6_STATELESS,
|
|
l3_constants.DHCPV6_STATEFUL]
|
|
mode_combos = list(iter_chain(*[[list(combo) for combo in
|
|
iter_combinations(modes, i)] for i in range(1, len(modes) + 1)]))
|
|
|
|
for mode_list in mode_combos:
|
|
ipv6_subnet_modes = [{'ra_mode': mode, 'address_mode': mode}
|
|
for mode in mode_list]
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = self._process_router_ipv6_subnet_added(router,
|
|
ipv6_subnet_modes)
|
|
|
|
ri.radvd._generate_radvd_conf(router[l3_constants.INTERFACE_KEY])
|
|
|
|
def assertFlag(flag):
|
|
return (self.assertIn if flag else self.assertNotIn)
|
|
|
|
other_flag, managed_flag = (
|
|
any(expected[mode][0] for mode in mode_list),
|
|
any(expected[mode][1] for mode in mode_list))
|
|
|
|
assertFlag(other_flag)('AdvOtherConfigFlag on;',
|
|
self.utils_replace_file.call_args[0][1])
|
|
assertFlag(managed_flag)('AdvManagedFlag on;',
|
|
self.utils_replace_file.call_args[0][1])
|
|
|
|
def test_generate_radvd_intervals(self):
|
|
self.conf.set_override('min_rtr_adv_interval', 22)
|
|
self.conf.set_override('max_rtr_adv_interval', 66)
|
|
router = l3_test_common.prepare_router_data()
|
|
ipv6_subnet_modes = [{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}]
|
|
ri = self._process_router_ipv6_subnet_added(router,
|
|
ipv6_subnet_modes)
|
|
ri.radvd._generate_radvd_conf(router[l3_constants.INTERFACE_KEY])
|
|
self.assertIn("MinRtrAdvInterval 22",
|
|
self.utils_replace_file.call_args[0][1])
|
|
self.assertIn("MaxRtrAdvInterval 66",
|
|
self.utils_replace_file.call_args[0][1])
|
|
|
|
def test_generate_radvd_rdnss_conf(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ipv6_subnet_modes = [{'ra_mode': l3_constants.IPV6_SLAAC,
|
|
'address_mode': l3_constants.IPV6_SLAAC}]
|
|
dns_list = ['fd01:1::100', 'fd01:1::200', 'fd01::300', 'fd01::400']
|
|
ri = self._process_router_ipv6_subnet_added(router,
|
|
ipv6_subnet_modes,
|
|
dns_nameservers=dns_list)
|
|
ri.radvd._generate_radvd_conf(router[l3_constants.INTERFACE_KEY])
|
|
# Verify that radvd configuration file includes RDNSS entries
|
|
expected = "RDNSS "
|
|
for dns in dns_list[0:ra.MAX_RDNSS_ENTRIES]:
|
|
expected += "%s " % dns
|
|
self.assertIn(expected, self.utils_replace_file.call_args[0][1])
|
|
|
|
def _pd_expected_call_external_process(self, requestor, ri, enable=True):
|
|
expected_calls = []
|
|
if enable:
|
|
expected_calls.append(mock.call(uuid=requestor,
|
|
service='dibbler',
|
|
default_cmd_callback=mock.ANY,
|
|
namespace=ri.ns_name,
|
|
conf=mock.ANY,
|
|
pid_file=mock.ANY))
|
|
expected_calls.append(mock.call().enable(reload_cfg=False))
|
|
else:
|
|
expected_calls.append(mock.call(uuid=requestor,
|
|
service='dibbler',
|
|
namespace=ri.ns_name,
|
|
conf=mock.ANY,
|
|
pid_file=mock.ANY))
|
|
expected_calls.append(mock.call().disable(
|
|
get_stop_command=mock.ANY))
|
|
return expected_calls
|
|
|
|
def _pd_setup_agent_router(self):
|
|
router = l3_test_common.prepare_router_data()
|
|
ri = l3router.RouterInfo(router['id'], router, **self.ri_kwargs)
|
|
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
|
|
agent.external_gateway_added = mock.Mock()
|
|
ri.process(agent)
|
|
agent._router_added(router['id'], router)
|
|
# Make sure radvd monitor is created
|
|
if not ri.radvd:
|
|
ri.radvd = ra.DaemonMonitor(router['id'],
|
|
ri.ns_name,
|
|
agent.process_monitor,
|
|
ri.get_internal_device_name,
|
|
self.conf)
|
|
return agent, router, ri
|
|
|
|
def _pd_remove_gw_interface(self, intfs, agent, router, ri):
|
|
expected_pd_update = {}
|
|
expected_calls = []
|
|
for intf in intfs:
|
|
requestor_id = self._pd_get_requestor_id(intf, router, ri)
|
|
expected_calls += (self._pd_expected_call_external_process(
|
|
requestor_id, ri, False))
|
|
for subnet in intf['subnets']:
|
|
expected_pd_update[subnet['id']] = (
|
|
l3_constants.PROVISIONAL_IPV6_PD_PREFIX)
|
|
|
|
# Implement the prefix update notifier
|
|
# Keep track of the updated prefix
|
|
self.pd_update = {}
|
|
|
|
def pd_notifier(context, prefix_update):
|
|
self.pd_update = prefix_update
|
|
for subnet_id, prefix in six.iteritems(prefix_update):
|
|
for intf in intfs:
|
|
for subnet in intf['subnets']:
|
|
if subnet['id'] == subnet_id:
|
|
# Update the prefix
|
|
subnet['cidr'] = prefix
|
|
break
|
|
|
|
# Remove the gateway interface
|
|
agent.pd.notifier = pd_notifier
|
|
agent.pd.remove_gw_interface(router['id'])
|
|
|
|
self._pd_assert_dibbler_calls(expected_calls,
|
|
self.external_process.mock_calls[-len(expected_calls):])
|
|
self.assertEqual(expected_pd_update, self.pd_update)
|
|
|
|
def _pd_remove_interfaces(self, intfs, agent, router, ri):
|
|
expected_pd_update = []
|
|
expected_calls = []
|
|
for intf in intfs:
|
|
# Remove the router interface
|
|
router[l3_constants.INTERFACE_KEY].remove(intf)
|
|
requestor_id = self._pd_get_requestor_id(intf, router, ri)
|
|
expected_calls += (self._pd_expected_call_external_process(
|
|
requestor_id, ri, False))
|
|
for subnet in intf['subnets']:
|
|
expected_pd_update += [{subnet['id']:
|
|
l3_constants.PROVISIONAL_IPV6_PD_PREFIX}]
|
|
|
|
# Implement the prefix update notifier
|
|
# Keep track of the updated prefix
|
|
self.pd_update = []
|
|
|
|
def pd_notifier(context, prefix_update):
|
|
self.pd_update.append(prefix_update)
|
|
for intf in intfs:
|
|
for subnet in intf['subnets']:
|
|
if subnet['id'] in prefix_update:
|
|
# Update the prefix
|
|
subnet['cidr'] = prefix_update[subnet['id']]
|
|
|
|
# Process the router for removed interfaces
|
|
agent.pd.notifier = pd_notifier
|
|
ri.process(agent)
|
|
|
|
# The number of external process calls takes radvd into account.
|
|
# This is because there is no ipv6 interface any more after removing
|
|
# the interfaces, and radvd will be killed because of that
|
|
self._pd_assert_dibbler_calls(expected_calls,
|
|
self.external_process.mock_calls[-len(expected_calls) - 2:])
|
|
self._pd_assert_radvd_calls(ri, False)
|
|
self.assertEqual(expected_pd_update, self.pd_update)
|
|
|
|
def _pd_get_requestor_id(self, intf, router, ri):
|
|
ifname = ri.get_internal_device_name(intf['id'])
|
|
for subnet in intf['subnets']:
|
|
return dibbler.PDDibbler(router['id'],
|
|
subnet['id'], ifname).requestor_id
|
|
|
|
def _pd_assert_dibbler_calls(self, expected, actual):
|
|
'''Check the external process calls for dibbler are expected
|
|
|
|
in the case of multiple pd-enabled router ports, the exact sequence
|
|
of these calls are not deterministic. It's known, though, that each
|
|
external_process call is followed with either an enable() or disable()
|
|
'''
|
|
|
|
num_ext_calls = len(expected) // 2
|
|
expected_ext_calls = []
|
|
actual_ext_calls = []
|
|
expected_action_calls = []
|
|
actual_action_calls = []
|
|
for c in range(num_ext_calls):
|
|
expected_ext_calls.append(expected[c * 2])
|
|
actual_ext_calls.append(actual[c * 2])
|
|
expected_action_calls.append(expected[c * 2 + 1])
|
|
actual_action_calls.append(actual[c * 2 + 1])
|
|
|
|
self.assertEqual(expected_action_calls, actual_action_calls)
|
|
for exp in expected_ext_calls:
|
|
for act in actual_ext_calls:
|
|
if exp == act:
|
|
break
|
|
else:
|
|
msg = "Unexpected dibbler external process call."
|
|
self.fail(msg)
|
|
|
|
def _pd_assert_radvd_calls(self, ri, enable=True):
|
|
exp_calls = self._radvd_expected_call_external_process(ri, enable)
|
|
self.assertEqual(exp_calls,
|
|
self.external_process.mock_calls[-len(exp_calls):])
|
|
|
|
def _pd_get_prefixes(self, agent, router, ri,
|
|
existing_intfs, new_intfs, mock_get_prefix):
|
|
# First generate the prefixes that will be used for each interface
|
|
prefixes = {}
|
|
expected_pd_update = {}
|
|
expected_calls = []
|
|
for ifno, intf in enumerate(existing_intfs + new_intfs):
|
|
requestor_id = self._pd_get_requestor_id(intf, router, ri)
|
|
prefixes[requestor_id] = "2001:cafe:cafe:%d::/64" % ifno
|
|
if intf in new_intfs:
|
|
subnet_id = (intf['subnets'][0]['id'] if intf['subnets']
|
|
else None)
|
|
expected_pd_update[subnet_id] = prefixes[requestor_id]
|
|
expected_calls += (
|
|
self._pd_expected_call_external_process(requestor_id, ri))
|
|
|
|
# Implement the prefix update notifier
|
|
# Keep track of the updated prefix
|
|
self.pd_update = {}
|
|
|
|
def pd_notifier(context, prefix_update):
|
|
self.pd_update = prefix_update
|
|
for subnet_id, prefix in six.iteritems(prefix_update):
|
|
for intf in new_intfs:
|
|
for subnet in intf['subnets']:
|
|
if subnet['id'] == subnet_id:
|
|
# Update the prefix
|
|
subnet['cidr'] = prefix
|
|
break
|
|
|
|
# Start the dibbler client
|
|
agent.pd.notifier = pd_notifier
|
|
agent.pd.process_prefix_update()
|
|
|
|
# Get the prefix and check that the neutron server is notified
|
|
def get_prefix(pdo):
|
|
key = '%s:%s:%s' % (pdo.router_id, pdo.subnet_id, pdo.ri_ifname)
|
|
return prefixes[key]
|
|
mock_get_prefix.side_effect = get_prefix
|
|
agent.pd.process_prefix_update()
|
|
|
|
# Make sure that the updated prefixes are expected
|
|
self._pd_assert_dibbler_calls(expected_calls,
|
|
self.external_process.mock_calls[-len(expected_calls):])
|
|
self.assertEqual(expected_pd_update, self.pd_update)
|
|
|
|
def _pd_add_gw_interface(self, agent, router, ri):
|
|
gw_ifname = ri.get_external_device_name(router['gw_port']['id'])
|
|
agent.pd.add_gw_interface(router['id'], gw_ifname)
|
|
|
|
@mock.patch.object(dibbler.PDDibbler, 'get_prefix', autospec=True)
|
|
@mock.patch.object(dibbler.os, 'getpid', return_value=1234)
|
|
@mock.patch.object(pd.PrefixDelegation, '_is_lla_active',
|
|
return_value=True)
|
|
@mock.patch.object(dibbler.os, 'chmod')
|
|
@mock.patch.object(dibbler.shutil, 'rmtree')
|
|
@mock.patch.object(pd.PrefixDelegation, '_get_sync_data')
|
|
def test_pd_add_remove_subnet(self, mock1, mock2, mock3, mock4,
|
|
mock_getpid, mock_get_prefix):
|
|
'''Add and remove one pd-enabled subnet
|
|
Remove the interface by deleting it from the router
|
|
'''
|
|
# Initial setup
|
|
agent, router, ri = self._pd_setup_agent_router()
|
|
|
|
# Create one pd-enabled subnet and add router interface
|
|
intfs = l3_test_common.router_append_pd_enabled_subnet(router)
|
|
ri.process(agent)
|
|
|
|
# No client should be started since there is no gateway port
|
|
self.assertFalse(self.external_process.call_count)
|
|
self.assertFalse(mock_get_prefix.call_count)
|
|
|
|
# Add the gateway interface
|
|
self._pd_add_gw_interface(agent, router, ri)
|
|
|
|
# Get one prefix
|
|
self._pd_get_prefixes(agent, router, ri, [], intfs, mock_get_prefix)
|
|
|
|
# Update the router with the new prefix
|
|
ri.process(agent)
|
|
|
|
# Check that radvd is started and the router port is configured
|
|
# with the new prefix
|
|
self._pd_assert_radvd_calls(ri)
|
|
|
|
# Now remove the interface
|
|
self._pd_remove_interfaces(intfs, agent, router, ri)
|
|
|
|
@mock.patch.object(dibbler.PDDibbler, 'get_prefix', autospec=True)
|
|
@mock.patch.object(dibbler.os, 'getpid', return_value=1234)
|
|
@mock.patch.object(pd.PrefixDelegation, '_is_lla_active',
|
|
return_value=True)
|
|
@mock.patch.object(dibbler.os, 'chmod')
|
|
@mock.patch.object(dibbler.shutil, 'rmtree')
|
|
@mock.patch.object(pd.PrefixDelegation, '_get_sync_data')
|
|
def test_pd_remove_gateway(self, mock1, mock2, mock3, mock4,
|
|
mock_getpid, mock_get_prefix):
|
|
'''Add one pd-enabled subnet and remove the gateway port
|
|
Remove the gateway port and check the prefix is removed
|
|
'''
|
|
# Initial setup
|
|
agent, router, ri = self._pd_setup_agent_router()
|
|
|
|
# Create one pd-enabled subnet and add router interface
|
|
intfs = l3_test_common.router_append_pd_enabled_subnet(router)
|
|
ri.process(agent)
|
|
|
|
# Add the gateway interface
|
|
self._pd_add_gw_interface(agent, router, ri)
|
|
|
|
# Get one prefix
|
|
self._pd_get_prefixes(agent, router, ri, [], intfs, mock_get_prefix)
|
|
|
|
# Update the router with the new prefix
|
|
ri.process(agent)
|
|
|
|
# Check that radvd is started
|
|
self._pd_assert_radvd_calls(ri)
|
|
|
|
# Now remove the gw interface
|
|
self._pd_remove_gw_interface(intfs, agent, router, ri)
|
|
|
|
# There will be a router update
|
|
ri.process(agent)
|
|
|
|
@mock.patch.object(dibbler.PDDibbler, 'get_prefix', autospec=True)
|
|
@mock.patch.object(dibbler.os, 'getpid', return_value=1234)
|
|
@mock.patch.object(pd.PrefixDelegation, '_is_lla_active',
|
|
return_value=True)
|
|
@mock.patch.object(dibbler.os, 'chmod')
|
|
@mock.patch.object(dibbler.shutil, 'rmtree')
|
|
@mock.patch.object(pd.PrefixDelegation, '_get_sync_data')
|
|
def test_pd_add_remove_2_subnets(self, mock1, mock2, mock3, mock4,
|
|
mock_getpid, mock_get_prefix):
|
|
'''Add and remove two pd-enabled subnets
|
|
Remove the interfaces by deleting them from the router
|
|
'''
|
|
# Initial setup
|
|
agent, router, ri = self._pd_setup_agent_router()
|
|
|
|
# Create 2 pd-enabled subnets and add router interfaces
|
|
intfs = l3_test_common.router_append_pd_enabled_subnet(router, count=2)
|
|
ri.process(agent)
|
|
|
|
# No client should be started
|
|
self.assertFalse(self.external_process.call_count)
|
|
self.assertFalse(mock_get_prefix.call_count)
|
|
|
|
# Add the gateway interface
|
|
self._pd_add_gw_interface(agent, router, ri)
|
|
|
|
# Get prefixes
|
|
self._pd_get_prefixes(agent, router, ri, [], intfs, mock_get_prefix)
|
|
|
|
# Update the router with the new prefix
|
|
ri.process(agent)
|
|
|
|
# Check that radvd is started and the router port is configured
|
|
# with the new prefix
|
|
self._pd_assert_radvd_calls(ri)
|
|
|
|
# Now remove the interface
|
|
self._pd_remove_interfaces(intfs, agent, router, ri)
|
|
|
|
@mock.patch.object(dibbler.PDDibbler, 'get_prefix', autospec=True)
|
|
@mock.patch.object(dibbler.os, 'getpid', return_value=1234)
|
|
@mock.patch.object(pd.PrefixDelegation, '_is_lla_active',
|
|
return_value=True)
|
|
@mock.patch.object(dibbler.os, 'chmod')
|
|
@mock.patch.object(dibbler.shutil, 'rmtree')
|
|
@mock.patch.object(pd.PrefixDelegation, '_get_sync_data')
|
|
def test_pd_remove_gateway_2_subnets(self, mock1, mock2, mock3, mock4,
|
|
mock_getpid, mock_get_prefix):
|
|
'''Add one pd-enabled subnet, followed by adding another one
|
|
Remove the gateway port and check the prefix is removed
|
|
'''
|
|
# Initial setup
|
|
agent, router, ri = self._pd_setup_agent_router()
|
|
|
|
# Add the gateway interface
|
|
self._pd_add_gw_interface(agent, router, ri)
|
|
|
|
# Create 1 pd-enabled subnet and add router interface
|
|
intfs = l3_test_common.router_append_pd_enabled_subnet(router, count=1)
|
|
ri.process(agent)
|
|
|
|
# Get prefixes
|
|
self._pd_get_prefixes(agent, router, ri, [], intfs, mock_get_prefix)
|
|
|
|
# Update the router with the new prefix
|
|
ri.process(agent)
|
|
|
|
# Check that radvd is started
|
|
self._pd_assert_radvd_calls(ri)
|
|
|
|
# Now add another interface
|
|
# Create one pd-enabled subnet and add router interface
|
|
intfs1 = l3_test_common.router_append_pd_enabled_subnet(router,
|
|
count=1)
|
|
ri.process(agent)
|
|
|
|
# Get prefixes
|
|
self._pd_get_prefixes(agent, router, ri, intfs,
|
|
intfs1, mock_get_prefix)
|
|
|
|
# Update the router with the new prefix
|
|
ri.process(agent)
|
|
|
|
# Check that radvd is notified for the new prefix
|
|
self._pd_assert_radvd_calls(ri)
|
|
|
|
# Now remove the gw interface
|
|
self._pd_remove_gw_interface(intfs + intfs1, agent, router, ri)
|
|
|
|
ri.process(agent)
|