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 setUp(self):
super(TestL3AgentEventHandler, self).setUp()
cfg.CONF.register_opts(l3_agent.L3NATAgent.OPTS)
cfg.CONF.set_override('interface_driver',
'quantum.agent.linux.interface.NullDriver')
cfg.CONF.set_override('use_namespaces', True)
agent_config.register_root_helper(cfg.CONF)
self.device_exists_p = mock.patch(
'quantum.agent.linux.ip_lib.device_exists')
self.device_exists = self.device_exists_p.start()
self.utils_exec_p = mock.patch('quantum.agent.linux.utils.execute')
self.utils_exec = self.utils_exec_p.start()
self.drv_cls_p = mock.patch('quantum.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('quantum.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(
'quantum.agent.linux.external_process.ProcessManager')
self.external_process = self.external_process_p.start()
self.agent = l3_agent.L3NATAgent(HOSTNAME)
def _test_floating_ip_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces)
agent = l3_agent.L3NATAgent(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_external_gateway_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces)
agent = l3_agent.L3NATAgent(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'}
if action == 'add':
self.device_exists.return_value = False
agent.external_gateway_added(ri, ex_gw_port, internal_cidrs)
self.assertEquals(self.mock_driver.plug.call_count, 1)
self.assertEquals(self.mock_driver.init_l3.call_count, 1)
self.assertEquals(self.mock_ip.netns.execute.call_count, 1)
elif action == 'remove':
self.device_exists.return_value = True
agent.external_gateway_removed(ri, ex_gw_port, internal_cidrs)
self.assertEquals(self.mock_driver.unplug.call_count, 1)
else:
raise Exception("Invalid action %s" % action)
def testRoutersWithAdminStateDown(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 testDestroyNamespace(self):
class FakeDev(object):
def __init__(self, name):
self.name = name
self.mock_ip.get_namespaces.return_value = ['qrouter-foo']
self.mock_ip.get_devices.return_value = [FakeDev('qr-aaaa'),
FakeDev('qgw-aaaa')]
agent = l3_agent.L3NATAgent(self.conf)
agent._destroy_all_router_namespaces()
def testProcessRouter(self):
agent = l3_agent.L3NATAgent(self.conf)
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces)
# return data so that state is built up
ex_gw_port = {'id': _uuid(),
'network_id': _uuid(),
'fixed_ips': [{'ip_address': '19.4.4.4',
'subnet_id': _uuid()}]}
internal_port = {'id': _uuid(),
'network_id': _uuid(),
'admin_state_up': True,
'fixed_ips': [{'ip_address': '35.4.4.4',
'subnet_id': _uuid()}],
'mac_address': 'ca:fe:de:ad:be:ef'}
def fake_list_ports1(**kwargs):
if kwargs['device_owner'] == l3_db.DEVICE_OWNER_ROUTER_GW:
return {'ports': [ex_gw_port]}
elif kwargs['device_owner'] == l3_db.DEVICE_OWNER_ROUTER_INTF:
return {'ports': [internal_port]}
fake_subnet = {'subnet': {'cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.1'}}
fake_floatingips1 = {'floatingips': [
{'id': _uuid(),
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()}]}
self.client_inst.list_ports.side_effect = fake_list_ports1
self.client_inst.show_subnet.return_value = fake_subnet
self.client_inst.list_floatingips.return_value = fake_floatingips1
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'
self.client_inst.list_floatingips.return_value = fake_floatingips2
agent.process_router(ri)
# remove just the floating ips
self.client_inst.list_floatingips.return_value = {'floatingips': []}
agent.process_router(ri)
# now return no ports so state is torn down
self.client_inst.list_ports.return_value = {'ports': []}
agent.process_router(ri)
def testProcessRouter(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
router_id = _uuid()
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'}}
internal_port = {'id': _uuid(),
'network_id': _uuid(),
'admin_state_up': True,
'fixed_ips': [{'ip_address': '35.4.4.4',
'subnet_id': _uuid()}],
'mac_address': 'ca:fe:de:ad:be:ef',
'subnet': {'cidr': '35.4.4.0/24',
'gateway_ip': '35.4.4.1'}}
fake_floatingips1 = {'floatingips': [
{'id': _uuid(),
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()}]}
router = {
'id': router_id,
l3_constants.FLOATINGIP_KEY: fake_floatingips1['floatingips'],
l3_constants.INTERFACE_KEY: [internal_port],
'routes': [],
'gw_port': ex_gw_port}
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 testSingleLoopRouterRemoval(self):
agent = l3_agent.L3NATAgent(self.conf)
self.client_inst.list_ports.return_value = {'ports': []}
self.client_inst.list_routers.return_value = {'routers': [
{'id': _uuid()}]}
agent.do_single_loop()
self.client_inst.list_routers.return_value = {'routers': []}
agent.do_single_loop()
# verify that remove is called
self.assertEquals(self.mock_ip.get_devices.call_count, 1)
def testDaemonLoop(self):
# just take a pass through the loop, then raise on time.sleep()
time_sleep_p = mock.patch('time.sleep')
time_sleep = time_sleep_p.start()
class ExpectedException(Exception):
pass
time_sleep.side_effect = ExpectedException()
agent = l3_agent.L3NATAgent(self.conf)
self.assertRaises(ExpectedException, agent.daemon_loop)
time_sleep_p.stop()
def testSingleLoopRouterRemoval(self):
agent = l3_agent.L3NATAgent(HOSTNAME, self.conf)
self.plugin_api.get_external_network_id.return_value = None
routers = [
{'id': _uuid(),
'admin_state_up': True,
'routes': [],
'external_gateway_info': {}}]
agent._process_routers(routers)
agent.router_deleted(None, routers[0]['id'])
# verify that remove is called
self.assertEqual(self.mock_ip.get_devices.call_count, 1)
self.device_exists.assert_has_calls(
[mock.call(self.conf.external_network_bridge)])
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_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
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)
arping_cmd = [
'arping', '-A', '-U', '-I', interface_name, '-c',
self.conf.send_arp_for_ha, '20.0.0.30'
]
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.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 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)
# Process with NAT
agent.process_router(ri)
orig_nat_rules = ri.iptables_manager.ipv4['nat'].rules[:]
# Reprocess without NAT
router['enable_snat'] = True
# Reassign the router object to RouterInfo
ri.router = router
agent.process_router(ri)
nat_rules_delta = (set(ri.iptables_manager.ipv4['nat'].rules) -
set(orig_nat_rules))
self.assertEqual(len(nat_rules_delta), 2)
self._verify_snat_rules(nat_rules_delta, router)
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': _uuid(), 'external_gateway_info': {}, 'routes': []}
with mock.patch.object(agent,
'_destroy_metadata_proxy') as destroy_proxy:
with mock.patch.object(agent,
'_spawn_metadata_proxy') as spawn_proxy:
agent._router_added(router_id, router)
if enableflag:
spawn_proxy.assert_called_with(mock.ANY)
else:
self.assertFalse(spawn_proxy.call_count)
agent._router_removed(router_id)
if enableflag:
destroy_proxy.assert_called_with(mock.ANY)
else:
self.assertFalse(destroy_proxy.call_count)
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'
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)
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 testSingleLoopRouterRemoval(self):
agent = l3_agent.L3NATAgent(self.conf)
self.client_inst.list_ports.return_value = {'ports': []}
self.client_inst.list_networks.return_value = {'networks': []}
self.client_inst.list_routers.return_value = {'routers': [
{'id': _uuid(),
'admin_state_up': True,
'external_gateway_info': {}}]}
agent.do_single_loop()
self.client_inst.list_routers.return_value = {'routers': []}
agent.do_single_loop()
# verify that remove is called
self.assertEquals(self.mock_ip.get_devices.call_count, 1)
self.device_exists.assert_has_calls(
[mock.call(self.conf.external_network_bridge)])
def _test_floating_ip_action(self, action):
router_id = _uuid()
ri = l3_agent.RouterInfo(router_id, self.conf.root_helper,
self.conf.use_namespaces)
agent = l3_agent.L3NATAgent(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'}
if action == 'add':
self.device_exists.return_value = False
agent.floating_ip_added(ri, ex_gw_port, floating_ip, fixed_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_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)
agent = l3_agent.L3NATAgent(self.conf)
interface_name = agent.get_internal_device_name(port_id)
cidr = '99.0.1.9/24'
mac = 'ca:fe:de:ad:be:ef'
ex_gw_port = {'fixed_ips': [{'ip_address': '20.0.0.30'}]}
if action == 'add':
self.device_exists.return_value = False
agent.internal_network_added(ri, ex_gw_port, network_id,
port_id, cidr, mac)
self.assertEquals(self.mock_driver.plug.call_count, 1)
self.assertEquals(self.mock_driver.init_l3.call_count, 1)
elif action == 'remove':
self.device_exists.return_value = True
agent.internal_network_removed(ri, ex_gw_port, port_id, cidr)
self.assertEquals(self.mock_driver.unplug.call_count, 1)
else:
raise Exception("Invalid action %s" % action)
def testAgentCreate(self):
agent = l3_agent.L3NATAgent(self.conf)
def testAgentCreate(self):
l3_agent.L3NATAgent(HOSTNAME, self.conf)
def testAgentCreate(self):
agent = l3_agent.L3NATAgent(self.conf)
self.device_exists.assert_has_calls(
[mock.call(self.conf.external_network_bridge)])
