OpenStack Networking (Neutron)
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# Copyright (c) 2015 OpenStack Foundation
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import mock
import netaddr
from neutron_lib import constants as lib_constants
from oslo_config import cfg
from oslo_log import log
from oslo_utils import uuidutils
from neutron.agent.common import config as agent_config
from neutron.agent.l3 import agent as l3_agent
from neutron.agent.l3 import dvr_local_router as dvr_router
from neutron.agent.l3 import ha
from neutron.agent.l3 import link_local_allocator as lla
from neutron.agent.l3 import router_info
from neutron.agent.linux import external_process
from neutron.agent.linux import interface
from neutron.agent.linux import ip_lib
from neutron.common import constants as n_const
from neutron.common import utils as common_utils
from neutron.conf.agent.l3 import config as l3_config
from neutron.conf import common as base_config
from neutron.extensions import portbindings
from neutron.tests import base
from neutron.tests.common import l3_test_common
_uuid = uuidutils.generate_uuid
FIP_PRI = 32768
HOSTNAME = 'myhost'
class TestDvrRouterOperations(base.BaseTestCase):
def setUp(self):
super(TestDvrRouterOperations, self).setUp()
mock.patch('eventlet.spawn').start()
self.conf = agent_config.setup_conf()
self.conf.register_opts(base_config.core_opts)
log.register_options(self.conf)
self.conf.register_opts(agent_config.AGENT_STATE_OPTS, 'AGENT')
l3_config.register_l3_agent_config_opts(l3_config.OPTS, self.conf)
self.conf.register_opts(ha.OPTS)
agent_config.register_interface_driver_opts_helper(self.conf)
agent_config.register_process_monitor_opts(self.conf)
self.conf.register_opts(interface.OPTS)
self.conf.register_opts(external_process.OPTS)
self.conf.set_override('interface_driver',
'neutron.agent.linux.interface.NullDriver')
self.conf.set_override('send_arp_for_ha', 1)
self.conf.set_override('state_path', cfg.CONF.state_path)
self.device_exists_p = mock.patch(
'neutron.agent.linux.ip_lib.device_exists')
self.device_exists = self.device_exists_p.start()
self.ensure_dir = mock.patch('neutron.common.utils.ensure_dir').start()
mock.patch('neutron.agent.linux.keepalived.KeepalivedManager'
'.get_full_config_file_path').start()
self.utils_exec_p = mock.patch(
'neutron.agent.linux.utils.execute')
self.utils_exec = self.utils_exec_p.start()
self.utils_replace_file_p = mock.patch(
'neutron.common.utils.replace_file')
self.utils_replace_file = self.utils_replace_file_p.start()
self.external_process_p = mock.patch(
'neutron.agent.linux.external_process.ProcessManager')
self.external_process = self.external_process_p.start()
self.process_monitor = mock.patch(
'neutron.agent.linux.external_process.ProcessMonitor').start()
self.send_adv_notif_p = mock.patch(
'neutron.agent.linux.ip_lib.send_ip_addr_adv_notif')
self.send_adv_notif = self.send_adv_notif_p.start()
self.dvr_cls_p = mock.patch('neutron.agent.linux.interface.NullDriver')
driver_cls = self.dvr_cls_p.start()
self.mock_driver = mock.MagicMock()
self.mock_driver.DEV_NAME_LEN = (
interface.LinuxInterfaceDriver.DEV_NAME_LEN)
driver_cls.return_value = self.mock_driver
self.ip_cls_p = mock.patch('neutron.agent.linux.ip_lib.IPWrapper')
ip_cls = self.ip_cls_p.start()
self.mock_ip = mock.MagicMock()
ip_cls.return_value = self.mock_ip
ip_rule = mock.patch('neutron.agent.linux.ip_lib.IPRule').start()
self.mock_rule = mock.MagicMock()
ip_rule.return_value = self.mock_rule
ip_dev = mock.patch('neutron.agent.linux.ip_lib.IPDevice').start()
self.mock_ip_dev = mock.MagicMock()
ip_dev.return_value = self.mock_ip_dev
self.l3pluginApi_cls_p = mock.patch(
'neutron.agent.l3.agent.L3PluginApi')
l3pluginApi_cls = self.l3pluginApi_cls_p.start()
self.plugin_api = mock.MagicMock()
l3pluginApi_cls.return_value = self.plugin_api
self.looping_call_p = mock.patch(
'oslo_service.loopingcall.FixedIntervalLoopingCall')
self.looping_call_p.start()
subnet_id_1 = _uuid()
subnet_id_2 = _uuid()
self.snat_ports = [{'subnets': [{'cidr': '152.2.0.0/16',
'gateway_ip': '152.2.0.1',
'id': subnet_id_1}],
'network_id': _uuid(),
'device_owner':
lib_constants.DEVICE_OWNER_ROUTER_SNAT,
'mac_address': 'fa:16:3e:80:8d:80',
'fixed_ips': [{'subnet_id': subnet_id_1,
'ip_address': '152.2.0.13',
'prefixlen': 16}],
'id': _uuid(), 'device_id': _uuid()},
{'subnets': [{'cidr': '152.10.0.0/16',
'gateway_ip': '152.10.0.1',
'id': subnet_id_2}],
'network_id': _uuid(),
'device_owner':
lib_constants.DEVICE_OWNER_ROUTER_SNAT,
'mac_address': 'fa:16:3e:80:8d:80',
'fixed_ips': [{'subnet_id': subnet_id_2,
'ip_address': '152.10.0.13',
'prefixlen': 16}],
'id': _uuid(), 'device_id': _uuid()}]
self.ri_kwargs = {'agent_conf': self.conf,
'interface_driver': self.mock_driver}
def _create_router(self, router=None, **kwargs):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.router_id = _uuid()
if not router:
router = mock.MagicMock()
return dvr_router.DvrLocalRouter(agent,
HOSTNAME,
self.router_id,
router,
self.conf,
mock.Mock(),
**kwargs)
def test_create_dvr_fip_interfaces_update(self):
ri = self._create_router()
fip_agent_port = {'subnets': []}
ri.get_floating_agent_gw_interface = mock.Mock(
return_value=fip_agent_port)
ri.get_floating_ips = mock.Mock(return_value=True)
ri.fip_ns = mock.Mock()
ri.fip_ns.subscribe.return_value = False
ex_gw_port = {'network_id': 'fake_net_id'}
ri.create_dvr_fip_interfaces(ex_gw_port)
ri.fip_ns.create_or_update_gateway_port.assert_called_once_with(
fip_agent_port)
def test_get_floating_ips_dvr(self):
router = mock.MagicMock()
router.get.return_value = [{'host': HOSTNAME},
{'host': mock.sentinel.otherhost}]
ri = self._create_router(router)
fips = ri.get_floating_ips()
self.assertEqual([{'host': HOSTNAME}], fips)
@mock.patch.object(ip_lib, 'send_ip_addr_adv_notif')
@mock.patch.object(ip_lib, 'IPDevice')
@mock.patch.object(ip_lib, 'IPRule')
def test_floating_ip_added_dist(self, mIPRule, mIPDevice, mock_adv_notif):
router = mock.MagicMock()
ri = self._create_router(router)
ext_net_id = _uuid()
subnet_id = _uuid()
agent_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': _uuid(),
'network_id': ext_net_id,
'mac_address': 'ca:fe:de:ad:be:ef'}
fip = {'id': _uuid(),
'host': HOSTNAME,
'floating_ip_address': '15.1.2.3',
'fixed_ip_address': '192.168.0.1',
'floating_network_id': ext_net_id,
'port_id': _uuid()}
ri.fip_ns = mock.Mock()
ri.fip_ns.agent_gateway_port = agent_gw_port
ri.fip_ns.allocate_rule_priority.return_value = FIP_PRI
subnet = lla.LinkLocalAddressPair('169.254.30.42/31')
ri.rtr_fip_subnet = subnet
ri.fip_ns.local_subnets = mock.Mock()
ri.fip_ns.local_subnets.allocate.return_value = subnet
ri.dist_fip_count = 0
ip_cidr = common_utils.ip_to_cidr(fip['floating_ip_address'])
ri.floating_ip_added_dist(fip, ip_cidr)
mIPRule().rule.add.assert_called_with(ip='192.168.0.1',
table=16,
priority=FIP_PRI)
ri.fip_ns.local_subnets.allocate.assert_not_called()
self.assertEqual(1, ri.dist_fip_count)
# Validate that fip_ns.local_subnets is called when
# rtr_fip_subnet is None
ri.rtr_fip_subnet = None
ri.floating_ip_added_dist(fip, ip_cidr)
mIPRule().rule.add.assert_called_with(ip='192.168.0.1',
table=16,
priority=FIP_PRI)
ri.fip_ns.local_subnets.allocate.assert_called_once_with(ri.router_id)
# TODO(mrsmith): add more asserts
@mock.patch.object(ip_lib, 'IPWrapper')
@mock.patch.object(ip_lib, 'IPDevice')
@mock.patch.object(ip_lib, 'IPRule')
def test_floating_ip_removed_dist(self, mIPRule, mIPDevice, mIPWrapper):
router = mock.MagicMock()
ri = self._create_router(router)
subnet_id = _uuid()
agent_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': _uuid(),
'network_id': _uuid(),
'mac_address': 'ca:fe:de:ad:be:ef'}
fip_cidr = '11.22.33.44/24'
ri.dist_fip_count = 2
ri.fip_ns = mock.Mock()
ri.fip_ns.get_name.return_value = 'fip_ns_name'
ri.floating_ips_dict['11.22.33.44'] = FIP_PRI
ri.fip_2_rtr = '11.22.33.42'
ri.rtr_2_fip = '11.22.33.40'
ri.fip_ns.agent_gateway_port = agent_gw_port
s = lla.LinkLocalAddressPair('169.254.30.42/31')
ri.rtr_fip_subnet = s
ri.fip_ns.local_subnets = mock.Mock()
ri.floating_ip_removed_dist(fip_cidr)
mIPRule().rule.delete.assert_called_with(
ip=str(netaddr.IPNetwork(fip_cidr).ip), table=16, priority=FIP_PRI)
mIPDevice().route.delete_route.assert_called_with(fip_cidr, str(s.ip))
ri.fip_ns.local_subnets.allocate.assert_not_called()
ri.dist_fip_count = 1
s1 = lla.LinkLocalAddressPair('15.1.2.3/32')
ri.rtr_fip_subnet = None
ri.fip_ns.local_subnets.allocate.return_value = s1
_, fip_to_rtr = s1.get_pair()
fip_ns = ri.fip_ns
ri.floating_ip_removed_dist(fip_cidr)
self.assertTrue(fip_ns.destroyed)
mIPWrapper().del_veth.assert_called_once_with(
fip_ns.get_int_device_name(router['id']))
self.assertEqual(1, mIPDevice().route.delete_gateway.call_count)
self.assertFalse(ri.fip_ns.unsubscribe.called)
ri.fip_ns.local_subnets.allocate.assert_called_once_with(ri.router_id)
@mock.patch.object(ip_lib, 'IPRule')
def test_floating_ip_moved_dist(self, mIPRule):
router = mock.MagicMock()
ri = self._create_router(router)
floating_ip_address = '15.1.2.3'
fip = {'floating_ip_address': floating_ip_address,
'fixed_ip_address': '192.168.0.1'}
ri.floating_ips_dict['15.1.2.3'] = FIP_PRI
ri.fip_ns = mock.Mock()
ri.fip_ns.allocate_rule_priority.return_value = FIP_PRI
ri.floating_ip_moved_dist(fip)
mIPRule().rule.delete.assert_called_once_with(
ip=floating_ip_address, table=16, priority=FIP_PRI)
ri.fip_ns.deallocate_rule_priority.assert_called_once_with(
floating_ip_address)
ri.fip_ns.allocate_rule_priority.assert_called_once_with(
floating_ip_address)
mIPRule().rule.add.assert_called_with(ip='192.168.0.1',
table=16,
priority=FIP_PRI)
def _test_add_floating_ip(self, ri, fip, is_failure):
ri.floating_ip_added_dist = mock.Mock()
result = ri.add_floating_ip(fip,
mock.sentinel.interface_name,
mock.sentinel.device)
ri.floating_ip_added_dist.assert_called_once_with(
fip, mock.ANY)
return result
def test_add_floating_ip(self):
ri = self._create_router(mock.MagicMock())
ip = '15.1.2.3'
fip = {'floating_ip_address': ip}
result = self._test_add_floating_ip(ri, fip, True)
ri.floating_ip_added_dist.assert_called_once_with(fip, ip + '/32')
self.assertEqual(lib_constants.FLOATINGIP_STATUS_ACTIVE, result)
@mock.patch.object(router_info.RouterInfo, 'remove_floating_ip')
def test_remove_floating_ip(self, super_remove_floating_ip):
ri = self._create_router(mock.MagicMock())
ri.floating_ip_removed_dist = mock.Mock()
ri.remove_floating_ip(mock.sentinel.device, mock.sentinel.ip_cidr)
self.assertFalse(super_remove_floating_ip.called)
ri.floating_ip_removed_dist.assert_called_once_with(
mock.sentinel.ip_cidr)
def test__get_internal_port(self):
ri = self._create_router()
port = {'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}
router_ports = [port]
ri.router.get.return_value = router_ports
self.assertEqual(port, ri._get_internal_port(mock.sentinel.subnet_id))
def test__get_internal_port_not_found(self):
ri = self._create_router()
port = {'fixed_ips': [{'subnet_id': mock.sentinel.subnet_id}]}
router_ports = [port]
ri.router.get.return_value = router_ports
self.assertIsNone(ri._get_internal_port(mock.sentinel.subnet_id2))
def test__get_snat_idx_ipv4(self):
ip_cidr = '101.12.13.00/24'
ri = self._create_router(mock.MagicMock())
snat_idx = ri._get_snat_idx(ip_cidr)
# 0x650C0D00 is numerical value of 101.12.13.00
self.assertEqual(0x650C0D00, snat_idx)
def test__get_snat_idx_ipv6(self):
ip_cidr = '2620:0:a03:e100::/64'
ri = self._create_router(mock.MagicMock())
snat_idx = ri._get_snat_idx(ip_cidr)
# 0x3D345705 is 30 bit xor folded crc32 of the ip_cidr
self.assertEqual(0x3D345705, snat_idx)
def test__get_snat_idx_ipv6_below_32768(self):
ip_cidr = 'd488::/30'
# crc32 of this ip_cidr is 0x1BD7
ri = self._create_router(mock.MagicMock())
snat_idx = ri._get_snat_idx(ip_cidr)
# 0x1BD7 + 0x3FFFFFFF = 0x40001BD6
self.assertEqual(0x40001BD6, snat_idx)
def test__set_subnet_arp_info(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = l3_test_common.prepare_router_data(num_internal_ports=2)
router['distributed'] = True
ri = dvr_router.DvrLocalRouter(
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
ports = ri.router.get(lib_constants.INTERFACE_KEY, [])
subnet_id = l3_test_common.get_subnet_id(ports[0])
test_ports = [{'mac_address': '00:11:22:33:44:55',
'device_owner': lib_constants.DEVICE_OWNER_DHCP,
'fixed_ips': [{'ip_address': '1.2.3.4',
'prefixlen': 24,
'subnet_id': subnet_id}]}]
self.plugin_api.get_ports_by_subnet.return_value = test_ports
# Test basic case
ports[0]['subnets'] = [{'id': subnet_id,
'cidr': '1.2.3.0/24'}]
with mock.patch.object(ri,
'_process_arp_cache_for_internal_port') as parp:
ri._set_subnet_arp_info(subnet_id)
self.assertEqual(1, parp.call_count)
self.mock_ip_dev.neigh.add.assert_called_once_with(
'1.2.3.4', '00:11:22:33:44:55')
# Test negative case
router['distributed'] = False
ri._set_subnet_arp_info(subnet_id)
self.mock_ip_dev.neigh.add.never_called()
def test_add_arp_entry(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = l3_test_common.prepare_router_data(num_internal_ports=2)
router['distributed'] = True
subnet_id = l3_test_common.get_subnet_id(
router[lib_constants.INTERFACE_KEY][0])
arp_table = {'ip_address': '1.7.23.11',
'mac_address': '00:11:22:33:44:55',
'subnet_id': subnet_id}
payload = {'arp_table': arp_table, 'router_id': router['id']}
agent._router_added(router['id'], router)
agent.add_arp_entry(None, payload)
agent.router_deleted(None, router['id'])
self.mock_ip_dev.neigh.add.assert_called_once_with(
'1.7.23.11', '00:11:22:33:44:55')
def test_add_arp_entry_no_routerinfo(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = l3_test_common.prepare_router_data(num_internal_ports=2)
subnet_id = l3_test_common.get_subnet_id(
router[lib_constants.INTERFACE_KEY][0])
arp_table = {'ip_address': '1.7.23.11',
'mac_address': '00:11:22:33:44:55',
'subnet_id': subnet_id}
payload = {'arp_table': arp_table, 'router_id': router['id']}
agent.add_arp_entry(None, payload)
def test__update_arp_entry_with_no_subnet(self):
ri = dvr_router.DvrLocalRouter(
mock.sentinel.agent,
HOSTNAME,
'foo_router_id',
{'distributed': True, 'gw_port_host': HOSTNAME},
**self.ri_kwargs)
with mock.patch.object(l3_agent.ip_lib, 'IPDevice') as f:
ri._update_arp_entry(mock.ANY, mock.ANY, 'foo_subnet_id', 'add')
self.assertFalse(f.call_count)
def _setup_test_for_arp_entry_cache(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = l3_test_common.prepare_router_data(num_internal_ports=2)
router['distributed'] = True
ri = dvr_router.DvrLocalRouter(
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
subnet_id = l3_test_common.get_subnet_id(
ri.router[lib_constants.INTERFACE_KEY][0])
return ri, subnet_id
def test__update_arp_entry_calls_arp_cache_with_no_device(self):
ri, subnet_id = self._setup_test_for_arp_entry_cache()
state = True
with mock.patch.object(l3_agent.ip_lib, 'IPDevice') as rtrdev,\
mock.patch.object(ri, '_cache_arp_entry') as arp_cache:
rtrdev.return_value.exists.return_value = False
state = ri._update_arp_entry(
mock.ANY, mock.ANY, subnet_id, 'add')
self.assertFalse(state)
self.assertTrue(arp_cache.called)
arp_cache.assert_called_once_with(mock.ANY, mock.ANY,
subnet_id, 'add')
self.assertFalse(rtrdev.neigh.add.called)
def test__process_arp_cache_for_internal_port(self):
ri, subnet_id = self._setup_test_for_arp_entry_cache()
ri._cache_arp_entry('1.7.23.11', '00:11:22:33:44:55',
subnet_id, 'add')
self.assertEqual(1, len(ri._pending_arp_set))
with mock.patch.object(ri, '_update_arp_entry') as update_arp:
update_arp.return_value = True
ri._process_arp_cache_for_internal_port(subnet_id)
self.assertEqual(0, len(ri._pending_arp_set))
def test__delete_arp_cache_for_internal_port(self):
ri, subnet_id = self._setup_test_for_arp_entry_cache()
ri._cache_arp_entry('1.7.23.11', '00:11:22:33:44:55',
subnet_id, 'add')
self.assertEqual(1, len(ri._pending_arp_set))
ri._delete_arp_cache_for_internal_port(subnet_id)
self.assertEqual(0, len(ri._pending_arp_set))
def test_del_arp_entry(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = l3_test_common.prepare_router_data(num_internal_ports=2)
router['distributed'] = True
subnet_id = l3_test_common.get_subnet_id(
router[lib_constants.INTERFACE_KEY][0])
arp_table = {'ip_address': '1.5.25.15',
'mac_address': '00:44:33:22:11:55',
'subnet_id': subnet_id}
payload = {'arp_table': arp_table, 'router_id': router['id']}
agent._router_added(router['id'], router)
# first add the entry
agent.add_arp_entry(None, payload)
# now delete it
agent.del_arp_entry(None, payload)
self.mock_ip_dev.neigh.delete.assert_called_once_with(
'1.5.25.15', '00:44:33:22:11:55')
agent.router_deleted(None, router['id'])
def test_get_floating_agent_gw_interfaces(self):
fake_network_id = _uuid()
subnet_id = _uuid()
agent_gateway_port = (
[{'fixed_ips': [{'ip_address': '20.0.0.30',
'prefixlen': 24,
'subnet_id': subnet_id}],
'subnets': [{'id': subnet_id,
'cidr': '20.0.0.0/24',
'gateway_ip': '20.0.0.1'}],
'id': _uuid(),
portbindings.HOST_ID: 'myhost',
'device_owner': lib_constants.DEVICE_OWNER_AGENT_GW,
'network_id': fake_network_id,
'mac_address': 'ca:fe:de:ad:be:ef'}]
)
router = l3_test_common.prepare_router_data(enable_snat=True)
router[n_const.FLOATINGIP_AGENT_INTF_KEY] = agent_gateway_port
router['distributed'] = True
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
ri = dvr_router.DvrLocalRouter(
agent, HOSTNAME, router['id'], router, **self.ri_kwargs)
self.assertEqual(
agent_gateway_port[0],
ri.get_floating_agent_gw_interface(fake_network_id))
def test_process_router_dist_floating_ip_add(self):
fake_floatingips = {'floatingips': [
{'id': _uuid(),
'host': HOSTNAME,
'floating_ip_address': '15.1.2.3',
'fixed_ip_address': '192.168.0.1',
'floating_network_id': mock.sentinel.ext_net_id,
'port_id': _uuid()},
{'id': _uuid(),
'host': 'some-other-host',
'floating_ip_address': '15.1.2.4',
'fixed_ip_address': '192.168.0.10',
'floating_network_id': mock.sentinel.ext_net_id,
'port_id': _uuid()}]}
router = l3_test_common.prepare_router_data(enable_snat=True)
router[lib_constants.FLOATINGIP_KEY] = fake_floatingips['floatingips']
router['distributed'] = True
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
ri = dvr_router.DvrLocalRouter(agent,
HOSTNAME,
router['id'],
router,
**self.ri_kwargs)
ri.iptables_manager.ipv4['nat'] = mock.MagicMock()
ri.dist_fip_count = 0
fip_ns = agent.get_fip_ns(mock.sentinel.ext_net_id)
subnet_id = _uuid()
fip_ns.agent_gateway_port = (
{'fixed_ips': [{'ip_address': '20.0.0.30',
'subnet_id': subnet_id}],
'subnets': [{'id': subnet_id,
'cidr': '20.0.0.0/24',
'gateway_ip': '20.0.0.1'}],
'id': _uuid(),
'network_id': _uuid(),
'mac_address': 'ca:fe:de:ad:be:ef'}
)
def _test_ext_gw_updated_dvr_agent_mode(self, host,
agent_mode, expected_call_count):
router = l3_test_common.prepare_router_data(num_internal_ports=2)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
ri = dvr_router.DvrLocalRouter(agent,
HOSTNAME,
router['id'],
router,
**self.ri_kwargs)
interface_name, ex_gw_port = l3_test_common.prepare_ext_gw_test(self,
ri)
ri._external_gateway_added = mock.Mock()
# test agent mode = dvr (compute node)
router['gw_port_host'] = host
agent.conf.agent_mode = agent_mode
ri.external_gateway_updated(ex_gw_port, interface_name)
# no gateway should be added on dvr node
self.assertEqual(expected_call_count,
ri._external_gateway_added.call_count)
def test_ext_gw_updated_dvr_agent_mode(self):
# no gateway should be added on dvr node
self._test_ext_gw_updated_dvr_agent_mode('any-foo', 'dvr', 0)
def test_ext_gw_updated_dvr_agent_mode_host(self):
# no gateway should be added on dvr node
self._test_ext_gw_updated_dvr_agent_mode(HOSTNAME,
'dvr', 0)
def test_external_gateway_removed_ext_gw_port_and_fip(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent.conf.agent_mode = 'dvr'
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.DvrLocalRouter(
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.fip_ns = agent.get_fip_ns(external_net_id)
subnet_id = _uuid()
ri.fip_ns.agent_gateway_port = {
'fixed_ips': [{
'ip_address': '20.0.0.30',
'prefixlen': 24,
'subnet_id': subnet_id
}],
'subnets': [{'id': subnet_id,
'cidr': '20.0.0.0/24',
'gateway_ip': '20.0.0.1'}],
'id': _uuid(),
'network_id': external_net_id,
'mac_address': 'ca:fe:de:ad:be:ef'}
vm_floating_ip = '19.4.4.2'
ri.floating_ips_dict[vm_floating_ip] = FIP_PRI
ri.dist_fip_count = 1
ri.rtr_fip_subnet = ri.fip_ns.local_subnets.allocate(ri.router_id)
_, fip_to_rtr = ri.rtr_fip_subnet.get_pair()
self.mock_ip.get_devices.return_value = [
l3_test_common.FakeDev(ri.fip_ns.get_ext_device_name(_uuid()))]
ri.get_router_cidrs = mock.Mock(
return_value={vm_floating_ip + '/32', '19.4.4.1/24'})
self.device_exists.return_value = True
ri.external_gateway_removed(
ri.ex_gw_port,
ri.get_external_device_name(ri.ex_gw_port['id']))
ri.remove_floating_ip.assert_called_once_with(self.mock_ip_dev,
'19.4.4.2/32')