def _test_internal_network_action(self, action):
port_id = _uuid()
router_id = _uuid()
network_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
cidr = '99.0.1.9/24'
mac = 'ca:fe:de:ad:be:ef'
interface_name = agent.get_internal_device_name(port_id)
if action == 'add':
self.device_exists.return_value = False
agent.internal_network_added(ri, network_id,
port_id, cidr, mac)
self.assertEqual(self.mock_driver.plug.call_count, 1)
self.assertEqual(self.mock_driver.init_l3.call_count, 1)
self.send_arp.assert_called_once_with(ri, interface_name,
'99.0.1.9')
elif action == 'remove':
self.device_exists.return_value = True
agent.internal_network_removed(ri, port_id, cidr)
self.assertEqual(self.mock_driver.unplug.call_count, 1)
else:
raise Exception("Invalid action %s" % action)
def _test_floating_ip_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
floating_ip = '20.0.0.100'
fixed_ip = '10.0.0.23'
ex_gw_port = {'fixed_ips': [{'ip_address': '20.0.0.30',
'subnet_id': _uuid()}],
'subnet': {'gateway_ip': '20.0.0.1'},
'id': _uuid(),
'mac_address': 'ca:fe:de:ad:be:ef',
'ip_cidr': '20.0.0.30/24'}
interface_name = agent.get_external_device_name(ex_gw_port['id'])
if action == 'add':
self.device_exists.return_value = False
agent.floating_ip_added(ri, ex_gw_port, floating_ip, fixed_ip)
arping_cmd = ['arping', '-A', '-U',
'-I', interface_name,
'-c', self.conf.send_arp_for_ha,
floating_ip]
if self.conf.use_namespaces:
self.mock_ip.netns.execute.assert_any_call(
arping_cmd, check_exit_code=True)
else:
self.utils_exec.assert_any_call(
check_exit_code=True, root_helper=self.conf.root_helper)
elif action == 'remove':
self.device_exists.return_value = True
agent.floating_ip_removed(ri, ex_gw_port, floating_ip, fixed_ip)
else:
raise Exception("Invalid action %s" % action)
def _test_floating_ip_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
floating_ip = '20.0.0.100'
fixed_ip = '10.0.0.23'
ex_gw_port = {
'fixed_ips': [{
'ip_address': '20.0.0.30',
'subnet_id': _uuid()
}],
'subnet': {
'gateway_ip': '20.0.0.1'
},
'id': _uuid(),
'mac_address': 'ca:fe:de:ad:be:ef',
'ip_cidr': '20.0.0.30/24'
}
interface_name = agent.get_external_device_name(ex_gw_port['id'])
if action == 'add':
self.device_exists.return_value = False
agent.floating_ip_added(ri, ex_gw_port, floating_ip, fixed_ip)
self.send_arp.assert_called_once_with(ri, interface_name,
floating_ip)
elif action == 'remove':
self.device_exists.return_value = True
agent.floating_ip_removed(ri, ex_gw_port, floating_ip, fixed_ip)
else:
raise Exception("Invalid action %s" % action)
def test_destroy_namespace_with_router_id(self):
class FakeDev(object):
def __init__(self, name):
self.name = name
self.conf.router_id = _uuid()
namespaces = ['qrouter-foo', 'qrouter-' + self.conf.router_id]
self.mock_ip.get_namespaces.return_value = namespaces
self.mock_ip.get_devices.return_value = [FakeDev('qr-aaaa'),
FakeDev('qgw-aaaa')]
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
pm = self.external_process.return_value
pm.reset_mock()
agent._destroy_router_namespace = mock.MagicMock()
agent._destroy_router_namespaces(self.conf.router_id)
self.assertEqual(pm.disable.call_count, 1)
self.assertEqual(agent._destroy_router_namespace.call_count, 1)
def test_process_router_interface_removed(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = self._prepare_router_data(num_internal_ports=2)
ri = l3_agent.RouterInfo(router['id'],
self.conf.root_helper,
self.conf.use_namespaces,
router=router)
agent.external_gateway_added = mock.Mock()
# Process with NAT
agent.process_router(ri)
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
# Add an interface and reprocess
del router[l3_constants.INTERFACE_KEY][1]
# Reassign the router object to RouterInfo
ri.router = router
agent.process_router(ri)
# 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(len(nat_rules_delta), 1)
self._verify_snat_rules(nat_rules_delta, router, negate=True)
self.send_arp.assert_called_once()
def testProcessRouter(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = self._prepare_router_data()
fake_floatingips1 = {'floatingips': [
{'id': _uuid(),
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()}]}
ri = l3_agent.RouterInfo(router['id'], self.conf.root_helper,
self.conf.use_namespaces, router=router)
agent.process_router(ri)
# 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']
agent.process_router(ri)
# remove just the floating ips
del router[l3_constants.FLOATINGIP_KEY]
agent.process_router(ri)
# now no ports so state is torn down
del router[l3_constants.INTERFACE_KEY]
del router['gw_port']
agent.process_router(ri)
def _test_routing_table_update(self, namespace):
if not namespace:
self.conf.set_override('use_namespaces', False)
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces,
None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
fake_route1 = {'destination': '135.207.0.0/16',
'nexthop': '1.2.3.4'}
fake_route2 = {'destination': '135.207.111.111/32',
'nexthop': '1.2.3.4'}
agent._update_routing_table(ri, 'replace', fake_route1)
expected = [['ip', 'route', 'replace', 'to', '135.207.0.0/16',
'via', '1.2.3.4']]
self._check_agent_method_called(agent, expected, namespace)
agent._update_routing_table(ri, 'delete', fake_route1)
expected = [['ip', 'route', 'delete', 'to', '135.207.0.0/16',
'via', '1.2.3.4']]
self._check_agent_method_called(agent, expected, namespace)
agent._update_routing_table(ri, 'replace', fake_route2)
expected = [['ip', 'route', 'replace', 'to', '135.207.111.111/32',
'via', '1.2.3.4']]
self._check_agent_method_called(agent, expected, namespace)
agent._update_routing_table(ri, 'delete', fake_route2)
expected = [['ip', 'route', 'delete', 'to', '135.207.111.111/32',
'via', '1.2.3.4']]
self._check_agent_method_called(agent, expected, namespace)
def test_process_router_interface_added(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = self._prepare_router_data()
ri = l3_agent.RouterInfo(router['id'], self.conf.root_helper,
self.conf.use_namespaces, router=router)
# Process with NAT
agent.process_router(ri)
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
# Add an interface and reprocess
router[l3_constants.INTERFACE_KEY].append(
{'id': _uuid(),
'network_id': _uuid(),
'admin_state_up': True,
'fixed_ips': [{'ip_address': '35.4.1.4',
'subnet_id': _uuid()}],
'mac_address': 'ca:fe:de:ad:be:ef',
'subnet': {'cidr': '35.4.1.0/24',
'gateway_ip': '35.4.1.1'}})
# Reassign the router object to RouterInfo
ri.router = router
agent.process_router(ri)
# 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(len(nat_rules_delta), 1)
self._verify_snat_rules(nat_rules_delta, router)
def test_process_router_internal_network_removed_unexpected_error(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = self._prepare_router_data()
ri = l3_agent.RouterInfo(router['id'],
self.conf.root_helper,
self.conf.use_namespaces,
router=router)
agent.external_gateway_added = mock.Mock()
# add an internal port
agent.process_router(ri)
with mock.patch.object(
l3_agent.L3NATAgent,
'internal_network_removed') as internal_net_removed:
# raise RuntimeError to simulate that an unexpected exception
# occurrs
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, agent.process_router, ri)
self.assertIn(router[l3_constants.INTERFACE_KEY][0],
ri.internal_ports)
# The unexpected exception has been fixed manually
internal_net_removed.side_effect = None
# _sync_routers_task finds out that _rpc_loop failed to process the
# router last time, it will retry in the next run.
agent.process_router(ri)
# 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_floating_ip_remap(self, IPDevice):
fip = {
'id': _uuid(), 'port_id': _uuid(),
'floating_ip_address': '15.1.2.3',
'fixed_ip_address': '192.168.0.2'
}
IPDevice.return_value = device = mock.Mock()
device.addr.list.return_value = [{'cidr': '15.1.2.3/32'}]
ri = mock.MagicMock()
ri.router.get.return_value = [fip]
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent.process_router_floating_ips(ri, {'id': _uuid()})
self.assertFalse(device.addr.add.called)
self.assertFalse(device.addr.delete.called)
nat = ri.iptables_manager.ipv4['nat']
nat.clear_rules_by_tag.assert_called_once_with('floating_ip')
rules = agent.floating_forward_rules('15.1.2.3', '192.168.0.2')
for chain, rule in rules:
nat.add_rule.assert_any_call(chain, rule, tag='floating_ip')
def setUp(self):
super(TestL3AgentEventHandler, self).setUp()
cfg.CONF.register_opts(l3_agent.L3NATAgent.OPTS)
cfg.CONF.set_override('interface_driver',
'neutron.agent.linux.interface.NullDriver')
cfg.CONF.set_override('use_namespaces', True)
agent_config.register_root_helper(cfg.CONF)
self.device_exists_p = mock.patch(
'neutron.agent.linux.ip_lib.device_exists')
self.device_exists = self.device_exists_p.start()
self.utils_exec_p = mock.patch('neutron.agent.linux.utils.execute')
self.utils_exec = self.utils_exec_p.start()
self.drv_cls_p = mock.patch('neutron.agent.linux.interface.NullDriver')
driver_cls = self.drv_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.l3_plugin_p = mock.patch('neutron.agent.l3_agent.L3PluginApi')
l3_plugin_cls = self.l3_plugin_p.start()
self.plugin_api = mock.Mock()
l3_plugin_cls.return_value = self.plugin_api
self.external_process_p = mock.patch(
'neutron.agent.linux.external_process.ProcessManager')
self.external_process = self.external_process_p.start()
self.agent = l3_agent.L3NATAgent(HOSTNAME)
def test_process_router_snat_enabled(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router = self._prepare_router_data(enable_snat=False)
ri = l3_agent.RouterInfo(router['id'],
self.conf.root_helper,
self.conf.use_namespaces,
router=router)
agent.external_gateway_added = mock.Mock()
# Process without NAT
agent.process_router(ri)
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
# Reprocess with NAT
router['enable_snat'] = True
# Reassign the router object to RouterInfo
ri.router = router
agent.process_router(ri)
# 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(len(nat_rules_delta), 2)
self._verify_snat_rules(nat_rules_delta, router)
self.send_arp.assert_called_once()
def test_process_router(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
fake_fip_id = 'fake_fip_id'
agent.process_router_floating_ip_addresses = mock.Mock()
agent.process_router_floating_ip_nat_rules = mock.Mock()
agent.process_router_floating_ip_addresses.return_value = {
fake_fip_id: 'ACTIVE'
}
agent.external_gateway_added = mock.Mock()
router = self._prepare_router_data()
fake_floatingips1 = {
'floatingips': [{
'id': fake_fip_id,
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()
}]
}
ri = l3_agent.RouterInfo(router['id'],
self.conf.root_helper,
self.conf.use_namespaces,
router=router)
agent.process_router(ri)
ex_gw_port = agent._get_ex_gw_port(ri)
agent.process_router_floating_ip_addresses.assert_called_with(
ri, ex_gw_port)
agent.process_router_floating_ip_addresses.reset_mock()
agent.process_router_floating_ip_nat_rules.assert_called_with(ri)
agent.process_router_floating_ip_nat_rules.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']
agent.process_router(ri)
ex_gw_port = agent._get_ex_gw_port(ri)
agent.process_router_floating_ip_addresses.assert_called_with(
ri, ex_gw_port)
agent.process_router_floating_ip_addresses.reset_mock()
agent.process_router_floating_ip_nat_rules.assert_called_with(ri)
agent.process_router_floating_ip_nat_rules.reset_mock()
# remove just the floating ips
del router[l3_constants.FLOATINGIP_KEY]
agent.process_router(ri)
ex_gw_port = agent._get_ex_gw_port(ri)
agent.process_router_floating_ip_addresses.assert_called_with(
ri, ex_gw_port)
agent.process_router_floating_ip_addresses.reset_mock()
agent.process_router_floating_ip_nat_rules.assert_called_with(ri)
agent.process_router_floating_ip_nat_rules.reset_mock()
# now no ports so state is torn down
del router[l3_constants.INTERFACE_KEY]
del router['gw_port']
agent.process_router(ri)
self.send_arp.assert_called_once()
self.assertFalse(agent.process_router_floating_ip_addresses.called)
self.assertFalse(agent.process_router_floating_ip_nat_rules.called)
def setUp(self):
super(TestL3AgentEventHandler, self).setUp()
cfg.CONF.register_opts(l3_agent.L3NATAgent.OPTS)
cfg.CONF.set_override('interface_driver',
'neutron.agent.linux.interface.NullDriver')
cfg.CONF.set_override('use_namespaces', True)
agent_config.register_root_helper(cfg.CONF)
device_exists_p = mock.patch(
'neutron.agent.linux.ip_lib.device_exists')
device_exists_p.start()
utils_exec_p = mock.patch('neutron.agent.linux.utils.execute')
utils_exec_p.start()
drv_cls_p = mock.patch('neutron.agent.linux.interface.NullDriver')
driver_cls = drv_cls_p.start()
mock_driver = mock.MagicMock()
mock_driver.DEV_NAME_LEN = (
interface.LinuxInterfaceDriver.DEV_NAME_LEN)
driver_cls.return_value = mock_driver
l3_plugin_p = mock.patch('neutron.agent.l3_agent.L3PluginApi')
l3_plugin_cls = l3_plugin_p.start()
l3_plugin_cls.return_value = mock.Mock()
self.external_process_p = mock.patch(
'neutron.agent.linux.external_process.ProcessManager')
self.external_process_p.start()
looping_call_p = mock.patch(
'neutron.openstack.common.loopingcall.FixedIntervalLoopingCall')
looping_call_p.start()
self.agent = l3_agent.L3NATAgent(HOSTNAME)
self.addCleanup(mock.patch.stopall)
def _cleanup_namespace_test(self, stale_namespace_list, router_list,
other_namespaces):
self.conf.set_override('router_delete_namespaces', True)
good_namespace_list = [
l3_agent.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._delete_stale_namespaces)
pm = self.external_process.return_value
pm.reset_mock()
agent._destroy_router_namespace = mock.MagicMock()
agent._cleanup_namespaces(router_list)
self.assertEqual(pm.disable.call_count, len(stale_namespace_list))
self.assertEqual(agent._destroy_router_namespace.call_count,
len(stale_namespace_list))
expected_args = [mock.call(ns) for ns in stale_namespace_list]
agent._destroy_router_namespace.assert_has_calls(expected_args,
any_order=True)
self.assertFalse(agent._delete_stale_namespaces)
def test_process_routers_with_no_bridge_no_ext_net_in_conf(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.plugin_api.get_external_network_id.return_value = 'aaa'
routers = [{
'id': _uuid(),
'routes': [],
'admin_state_up': True,
'external_gateway_info': {
'network_id': 'aaa'
}
}, {
'id': _uuid(),
'routes': [],
'admin_state_up': True,
'external_gateway_info': {
'network_id': 'bbb'
}
}]
agent.router_info = {}
self.conf.set_override('external_network_bridge', '')
agent._process_routers(routers)
self.assertIn(routers[0]['id'], agent.router_info)
self.assertIn(routers[1]['id'], agent.router_info)
def test_router_id_specified_in_conf(self):
self.conf.set_override('use_namespaces', False)
self.conf.set_override('router_id', '')
self.assertRaises(SystemExit, l3_agent.L3NATAgent, HOSTNAME, self.conf)
self.conf.set_override('router_id', '1234')
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.assertEqual(['1234'], agent._router_ids())
def test_routers_with_admin_state_down(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.plugin_api.get_external_network_id.return_value = None
routers = [
{'id': _uuid(),
'admin_state_up': False,
'external_gateway_info': {}}]
agent._process_routers(routers)
self.assertNotIn(routers[0]['id'], agent.router_info)
def _test_routes_updated(self, namespace=True):
if not namespace:
self.conf.set_override('use_namespaces', False)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
ri.router = {}
fake_old_routes = []
fake_new_routes = [{
'destination': "110.100.31.0/24",
'nexthop': "10.100.10.30"
}, {
'destination': "110.100.30.0/24",
'nexthop': "10.100.10.30"
}]
ri.routes = fake_old_routes
ri.router['routes'] = fake_new_routes
agent.routes_updated(ri)
expected = [[
'ip', 'route', 'replace', 'to', '110.100.30.0/24', 'via',
'10.100.10.30'
],
[
'ip', 'route', 'replace', 'to', '110.100.31.0/24',
'via', '10.100.10.30'
]]
self._check_agent_method_called(agent, expected, namespace)
fake_new_routes = [{
'destination': "110.100.30.0/24",
'nexthop': "10.100.10.30"
}]
ri.router['routes'] = fake_new_routes
agent.routes_updated(ri)
expected = [[
'ip', 'route', 'delete', 'to', '110.100.31.0/24', 'via',
'10.100.10.30'
]]
self._check_agent_method_called(agent, expected, namespace)
fake_new_routes = []
ri.router['routes'] = fake_new_routes
agent.routes_updated(ri)
expected = [[
'ip', 'route', 'delete', 'to', '110.100.30.0/24', 'via',
'10.100.10.30'
]]
self._check_agent_method_called(agent, expected, namespace)
def test_process_router_floating_ip_nat_rules_remove(self):
ri = mock.MagicMock()
ri.router.get.return_value = []
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent.process_router_floating_ip_nat_rules(ri)
nat = ri.iptables_manager.ipv4['nat']
nat = ri.iptables_manager.ipv4['nat`']
nat.clear_rules_by_tag.assert_called_once_with('floating_ip')
def test_process_router_floating_ip_addresses_remove(self, IPDevice):
IPDevice.return_value = device = mock.Mock()
device.addr.list.return_value = [{'cidr': '15.1.2.3/32'}]
ri = mock.MagicMock()
ri.router.get.return_value = []
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent.process_router_floating_ip_addresses(ri, {'id': _uuid()})
device.addr.delete.assert_called_once_with(4, '15.1.2.3/32')
def test_process_routers_with_no_ext_net_in_conf_and_two_net_plugin(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
routers = [
{'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_routers,
routers)
self.assertNotIn(routers[0]['id'], agent.router_info)
def test_handle_router_snat_rules_add_back_jump(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
ri = mock.MagicMock()
port = {'fixed_ips': [{'ip_address': '192.168.1.4'}]}
agent._handle_router_snat_rules(ri, port, [], "iface", "add_rules")
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(args, ('snat', '-j $float-snat'))
self.assertEqual(kwargs, {})
break
def test_process_router_floating_ip_remove(self, IPDevice):
IPDevice.return_value = device = mock.Mock()
device.addr.list.return_value = [{'cidr': '15.1.2.3/32'}]
ri = mock.MagicMock()
ri.router.get.return_value = []
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent.process_router_floating_ips(ri, {'id': _uuid()})
device.addr.delete.assert_called_once_with(4, '15.1.2.3/32')
nat = ri.iptables_manager.ipv4['nat']
nat = ri.iptables_manager.ipv4['nat']
nat.clear_rules_by_tag.assert_called_once_with('floating_ip')
def _test_external_gateway_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
internal_cidrs = ['100.0.1.0/24', '200.74.0.0/16']
ex_gw_port = {
'fixed_ips': [{
'ip_address': '20.0.0.30',
'subnet_id': _uuid()
}],
'subnet': {
'gateway_ip': '20.0.0.1'
},
'id': _uuid(),
'network_id': _uuid(),
'mac_address': 'ca:fe:de:ad:be:ef',
'ip_cidr': '20.0.0.30/24'
}
interface_name = agent.get_external_device_name(ex_gw_port['id'])
if action == 'add':
self.device_exists.return_value = False
ri.router = mock.Mock()
ri.router.get.return_value = [{
'floating_ip_address': '192.168.1.34'
}]
agent.external_gateway_added(ri, ex_gw_port, interface_name,
internal_cidrs)
self.assertEqual(self.mock_driver.plug.call_count, 1)
self.assertEqual(self.mock_driver.init_l3.call_count, 1)
self.send_arp.assert_called_once_with(ri, interface_name,
'20.0.0.30')
kwargs = {
'preserve_ips': ['192.168.1.34/32'],
'namespace': 'qrouter-' + router_id
}
self.mock_driver.init_l3.assert_called_with(
interface_name, ['20.0.0.30/24'], **kwargs)
elif action == 'remove':
self.device_exists.return_value = True
agent.external_gateway_removed(ri, ex_gw_port, interface_name,
internal_cidrs)
self.assertEqual(self.mock_driver.unplug.call_count, 1)
else:
raise Exception("Invalid action %s" % action)
def testDestroyNamespace(self):
class FakeDev(object):
def __init__(self, name):
self.name = name
self.mock_ip.get_namespaces.return_value = ['qrouter-foo',
'qrouter-bar']
self.mock_ip.get_devices.return_value = [FakeDev('qr-aaaa'),
FakeDev('qgw-aaaa')]
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
agent._destroy_router_namespace = mock.MagicMock()
agent._destroy_router_namespaces()
self.assertEqual(agent._destroy_router_namespace.call_count, 2)
def test_process_router_delete(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
ex_gw_port = {'id': _uuid(),
'network_id': _uuid(),
'fixed_ips': [{'ip_address': '19.4.4.4',
'subnet_id': _uuid()}],
'subnet': {'cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.1'}}
router = {
'id': _uuid(),
'enable_snat': True,
'routes': [],
'gw_port': ex_gw_port}
agent._router_added(router['id'], router)
agent.router_deleted(None, router['id'])
agent._process_router_delete()
self.assertFalse(list(agent.removed_routers))
def test_process_routers_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'
routers = [{
'id': _uuid(),
'routes': [],
'admin_state_up': True,
'external_gateway_info': {
'network_id': 'aaa'
}
}]
agent._process_routers(routers)
self.assertIn(routers[0]['id'], agent.router_info)
self.assertFalse(self.plugin_api.get_external_network_id.called)
def _test_arping(self, namespace):
if not namespace:
self.conf.set_override('use_namespaces', False)
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces, None)
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
floating_ip = '20.0.0.101'
interface_name = agent.get_external_device_name(router_id)
agent._arping(ri, interface_name, floating_ip)
arping_cmd = [
'arping', '-A', '-I', interface_name, '-c',
self.conf.send_arp_for_ha, floating_ip
]
self.mock_ip.netns.execute.assert_any_call(arping_cmd,
check_exit_code=True)
def test_process_router_with_disabled_floating_ip(self, IPDevice):
fip_id = _uuid()
fip = {
'id': fip_id,
'port_id': _uuid(),
'floating_ip_address': '15.1.2.3',
'fixed_ip_address': '192.168.0.2'
}
ri = mock.MagicMock()
ri.floating_ips = [fip]
ri.router.get.return_value = []
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
fip_statuses = agent.process_router_floating_ip_addresses(
ri, {'id': _uuid()})
self.assertIsNone(fip_statuses.get(fip_id))
