def test_process_router_2_rids_1_vrf(self):
driver = self._mock_driver_and_hosting_device(self.routing_helper)
router1, ports = self.prepare_router_data()
ri1 = svc_helper.RouterInfo(router1['id'], router=router1)
# Router #2 is like #1, except with some different IDs
router2 = copy.deepcopy(router1)
router2['id'] = _uuid()
ri2 = svc_helper.RouterInfo(router2['id'], router=router2)
h_info1 = create_hosting_info()
h_info2 = copy.deepcopy(h_info1)
ri1.router['hosting_info'] = h_info1
ri2.router['hosting_info'] = h_info2
driver._get_vrf_name = mock.Mock(
return_value=ri1.router['hosting_info']['vrf_id'])
self.routing_helper._process_router(ri1)
vrf = ri1.router['hosting_info']['vrf_id']
driver._get_vrf_name.assert_called_with(ri1)
driver._do_create_vrf.assert_called_with(vrf)
self.assertEqual(1, len(self.routing_helper._router_ids_by_vrf))
self.assertEqual(1, len(self.routing_helper._router_ids_by_vrf[vrf]))
driver._get_vrf_name.reset_mock()
driver._do_create_vrf.reset_mock()
self.routing_helper._process_router(ri2)
driver._get_vrf_name.assert_called_with(ri2)
driver._do_create_vrf.assert_not_called()
self.assertEqual(1, len(self.routing_helper._router_ids_by_vrf))
self.assertEqual(2, len(self.routing_helper._router_ids_by_vrf[vrf]))
del ri1.router['gw_port']
driver._get_vrf_name.reset_mock()
self.routing_helper._process_router(ri1)
driver._get_vrf_name.assert_called_with(ri1)
driver._remove_vrf.assert_not_called()
self.assertEqual(1, len(self.routing_helper._router_ids_by_vrf))
self.assertEqual(1, len(self.routing_helper._router_ids_by_vrf[vrf]))
del ri2.router['gw_port']
driver._get_vrf_name.reset_mock()
driver._remove_vrf.reset_mock()
self.routing_helper._process_router(ri2)
driver._get_vrf_name.assert_called_with(ri2)
driver._remove_vrf.assert_called_with(ri2)
self.assertEqual({}, self.routing_helper._router_ids_by_vrf)
def test_process_router_throw_no_ip_address_on_subnet_error(self):
router, ports = prepare_router_data()
# change subnet_id to something that does not exist
router['gw_port']['subnets'][0]['id'] = 'fake_uuid'
ri = routing_svc_helper.RouterInfo(router['id'], router)
self.assertRaises(routing_svc_helper.IPAddressMissingException,
self.routing_helper._process_router, ri)
def test_process_router_internal_network_removed_unexpected_error(self):
router, ports = prepare_router_data()
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
# add an internal port
self.routing_helper._process_router(ri)
# raise RuntimeError to simulate that an unexpected exception occurrs
self.routing_helper._internal_network_removed.side_effect = mock.Mock(
side_effect=RuntimeError)
router[l3_constants.INTERFACE_KEY][0]['admin_state_up'] = False
# The above port is set to down state, remove it.
self.assertRaises(RuntimeError, self.routing_helper._process_router,
ri)
self.assertIn(router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
# The unexpected exception has been fixed manually
self.routing_helper._internal_network_removed.side_effect = None
# Failure will cause a retry next time,
# We were able to add the port to ri.internal_ports
self.routing_helper._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_router_info_create_with_router(self):
router_id = _uuid()
ri = routing_svc_helper.RouterInfo(router_id, self.router)
self.assertTrue(ri.router_name().endswith(router_id))
self.assertEqual(ri.router, self.router)
self.assertEqual(ri._router, self.router)
self.assertTrue(ri.snat_enabled)
self.assertIsNone(ri.ex_gw_port)
def test_process_router_throw_session_close(self):
class SessionCloseError(Exception):
pass
self.routing_helper._internal_network_added.side_effect = (
SessionCloseError("Simulate SessionCloseError"))
router, ports = prepare_router_data()
ri = routing_svc_helper.RouterInfo(router['id'], router)
self.assertRaises(SessionCloseError,
self.routing_helper._process_router, ri)
def test_process_router_throw_config_error(self):
snip_name = 'CREATE_SUBINTERFACE'
e_type = 'Fake error'
e_tag = 'Fake error tag'
params = {'snippet': snip_name, 'type': e_type, 'tag': e_tag}
self.routing_helper._internal_network_added.side_effect = (
cfg_exceptions.CSR1kvConfigException(**params))
router, ports = prepare_router_data()
ri = routing_svc_helper.RouterInfo(router['id'], router)
self.assertRaises(cfg_exceptions.CSR1kvConfigException,
self.routing_helper._process_router, ri)
def setUp(self):
super(TestCSR1kvRouting, self).setUp()
device_params = {'management_ip_address': 'fake_ip',
'protocol_port': 22,
'credentials': {"username": "******",
"password": "******"},
'timeout': None
}
self.driver = csr_driver.CSR1kvRoutingDriver(
**device_params)
self.mock_conn = mock.MagicMock()
self.driver._csr_conn = self.mock_conn
self.driver._check_response = mock.MagicMock(return_value=True)
self.vrf = ('nrouter-' + FAKE_ID)[:csr_driver.CSR1kvRoutingDriver.
DEV_NAME_LEN]
self.driver._get_vrfs = mock.Mock(return_value=[self.vrf])
self.ex_gw_ip = '20.0.0.30'
self.ex_gw_cidr = '20.0.0.30/24'
self.ex_gw_vlan = 1000
self.ex_gw_gateway_ip = '20.0.0.1'
self.ex_gw_port = {'id': _uuid(),
'network_id': _uuid(),
'fixed_ips': [{'ip_address': self.ex_gw_ip,
'subnet_id': _uuid()}],
'subnets': [{'cidr': self.ex_gw_cidr,
'gateway_ip': self.ex_gw_gateway_ip}],
'ip_cidr': self.ex_gw_cidr,
'mac_address': 'ca:fe:de:ad:be:ef',
'hosting_info': {'segmentation_id': self.ex_gw_vlan,
'hosting_port_name': 't2_p:0'}}
self.vlan_no = 500
self.gw_ip_cidr = '10.0.0.1/16'
self.gw_ip = '10.0.0.1'
self.hosting_port = 't1_p:0'
self.port = {'id': PORT_ID,
'ip_cidr': self.gw_ip_cidr,
'fixed_ips': [{'ip_address': self.gw_ip}],
'hosting_info': {'segmentation_id': self.vlan_no,
'hosting_port_name': self.hosting_port}}
int_ports = [self.port]
self.router = {
'id': FAKE_ID,
l3_constants.INTERFACE_KEY: int_ports,
'enable_snat': True,
'routes': [],
'gw_port': self.ex_gw_port}
self.ri = routing_svc_helper.RouterInfo(FAKE_ID, self.router)
self.ri.internal_ports = int_ports
def _create_test_routers(self, is_user_visible=True):
self.router, ports = self.prepare_router_data(
is_user_visible=is_user_visible)
self.ri = routing_svc_helper.RouterInfo(self.router['id'],
self.router)
self.ha_priority = self.router[ha.DETAILS][ha.PRIORITY]
self.vrf = ('nrouter-' + self.router['id'])[:DEV_NAME_LEN]
# router port on external network, i.e., gateway port
self.ext_gw_port = self.router['gw_port']
self.ext_gw_port['ip_info'] = {
'subnet_id': self.ext_gw_port['subnets'][0]['id'],
'is_primary': True,
'ip_cidr': self.ext_gw_port['subnets'][0]['cidr']
}
self.ext_phy_infc = (
self.ext_gw_port['hosting_info']['physical_interface'])
self.vlan_ext = self.ext_gw_port['hosting_info']['segmentation_id']
self.ext_gw_upstream_ip = self.ext_gw_port['subnets'][0]['gateway_ip']
self.ext_gw_ip = self.ext_gw_port['fixed_ips'][0]['ip_address']
self.ext_gw_ip_cidr = self.ext_gw_port['subnets'][0]['cidr']
self.ext_gw_ip_mask = str(
netaddr.IPNetwork(self.ext_gw_ip_cidr).netmask)
port_ha_info = self.ext_gw_port['ha_info']
self.ext_gw_ha_group = port_ha_info['group']
# router port on internal network
self.int_port = ports[0]
self.int_port['ip_info'] = {
'subnet_id': self.int_port['subnets'][0]['id'],
'is_primary': True,
'ip_cidr': self.int_port['subnets'][0]['cidr']
}
self.int_port['change_details'] = {
'new_ports': [self.int_port],
'current_ports': [self.int_port],
'old_ports': [],
'former_ports': []
}
self.int_phy_infc = self.int_port['hosting_info']['physical_interface']
self.vlan_int = self.int_port['hosting_info']['segmentation_id']
self.int_gw_ip = self.int_port['fixed_ips'][0]['ip_address']
self.int_gw_ip_cidr = self.int_port['subnets'][0]['cidr']
self.int_gw_ip_mask = str(
netaddr.IPNetwork(self.int_gw_ip_cidr).netmask)
port_ha_info = self.int_port['ha_info']
self.int_gw_ip_vip = (
port_ha_info['ha_port']['fixed_ips'][0]['ip_address'])
self.int_gw_ha_group = port_ha_info['group']
self.floating_ip = '19.4.0.6'
self.fixed_ip = '35.4.0.20'
def test_process_router_throw_session_close(self):
# snip_name = 'CREATE_SUBINTERFACE'
# e_type = 'Fake error'
# e_tag = 'Fake error tag'
# confstr = 'Fake conf str'
# params = {'snippet': snip_name, 'type': e_type, 'tag': e_tag,
# 'confstr': confstr, 'dev_id': 'FAKE_ID', 'ip': 'FAKE_IP'}
params = {'in_buf': ''}
self.routing_helper._internal_network_added.side_effect = (
ncc_errors.SessionCloseError(**params))
router, ports = prepare_router_data()
ri = routing_svc_helper.RouterInfo(router['id'], router)
self.assertRaises(ncc_errors.SessionCloseError,
self.routing_helper._process_router, ri)
def test_routing_table_update(self):
router = self.router
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'
}
# First we set the routes to fake_route1 and see if the
# driver.routes_updated was called with 'replace'(==add or replace)
# and fake_route1
router['routes'] = [fake_route1]
ri = routing_svc_helper.RouterInfo(router['id'], router)
self.routing_helper._process_router(ri)
self.driver.routes_updated.assert_called_with(ri, 'replace',
fake_route1)
# Now we replace fake_route1 with fake_route2. This should cause driver
# to be invoked to delete fake_route1 and 'replace'(==add or replace)
self.driver.reset_mock()
router['routes'] = [fake_route2]
ri.router = router
self.routing_helper._process_router(ri)
self.driver.routes_updated.assert_called_with(ri, 'delete',
fake_route1)
self.driver.routes_updated.assert_any_call(ri, 'replace', fake_route2)
# Now we add back fake_route1 as a new route, this should cause driver
# to be invoked to 'replace'(==add or replace) fake_route1
self.driver.reset_mock()
router['routes'] = [fake_route2, fake_route1]
ri.router = router
self.routing_helper._process_router(ri)
self.driver.routes_updated.assert_any_call(ri, 'replace', fake_route1)
# Now we delete all routes. This should cause driver
# to be invoked to delete fake_route1 and fake-route2
self.driver.reset_mock()
router['routes'] = []
ri.router = router
self.routing_helper._process_router(ri)
self.driver.routes_updated.assert_any_call(ri, 'delete', fake_route2)
self.driver.routes_updated.assert_any_call(ri, 'delete', fake_route1)
def test_process_router_internal_network_added_unexpected_error(self):
router, ports = prepare_router_data()
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
# raise RuntimeError to simulate that an unexpected exception occurrs
self.routing_helper._internal_network_added.side_effect = RuntimeError
self.assertRaises(RuntimeError, self.routing_helper._process_router,
ri)
self.assertNotIn(router[l3_constants.INTERFACE_KEY][0],
ri.internal_ports)
# The unexpected exception has been fixed manually
self.routing_helper._internal_network_added.side_effect = None
# Failure will cause a retry next time, then were able to add the
# port to ri.internal_ports
self.routing_helper._process_router(ri)
self.assertIn(router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
def _test_process_global_msn_router(self, num_ext_subnets=3):
def _verify_ip_info(the_mock):
self.assertEqual(num_ext_subnets, len(the_mock.ip_infos))
self.assertTrue(the_mock.ip_infos[0]['is_primary'])
self.assertEqual('35.4.0.4/24', the_mock.ip_infos[0]['ip_cidr'])
for i in range(1, num_ext_subnets):
self.assertFalse(the_mock.ip_infos[i]['is_primary'])
self.assertEqual('35.4.%s.4/24' % i,
the_mock.ip_infos[i]['ip_cidr'])
# need these helpers to verify that ip_info is correct
def _int_nw_added(ri, port, ex_gw_port):
self.assertIsNone(ex_gw_port)
self.routing_helper._internal_network_added.ip_infos.append(
copy.deepcopy(port['ip_info']))
router, ports = prepare_router_data(num_subnets=num_ext_subnets,
is_global=True)
# Setup mock for call to process floating ips
self.routing_helper._process_router_floating_ips = mock.Mock()
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
self.routing_helper._internal_network_added.ip_infos = []
self.routing_helper._internal_network_added.side_effect = _int_nw_added
# Process with initial values
self.routing_helper._process_router(ri)
self.assertFalse(
self.routing_helper._process_router_floating_ips.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
_verify_ip_info(self.routing_helper._internal_network_added)
self._reset_mocks()
# now no ports so state is torn down
del router[bc.constants.INTERFACE_KEY]
# Update router_info object
ri.router = router
# Process router and verify that internal and external network removed
# were called and floating_ips_process was called
self.routing_helper._process_router(ri)
self.assertFalse(
self.routing_helper._process_router_floating_ips.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self.assertFalse(self.routing_helper._external_gateway_removed.called)
self.assertFalse(self.routing_helper._internal_network_added.called)
self.routing_helper._internal_network_removed.assert_called_once_with(
ri, ports[0], None)
def test_process_router_internal_network_added_raises_HAMissingError(self):
router, ports = prepare_router_data()
router[ha.ENABLED] = True
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
# raise RuntimeError to simulate that a HAParamsMissingException
params = {'r_id': FAKE_ID, 'p_id': FAKE_ID, 'port': ports[0]}
self.routing_helper._internal_network_added.side_effect = (
cfg_exceptions.HAParamsMissingException(**params))
self.routing_helper._process_router(ri)
self.assertIn(ri.router_id, self.routing_helper.updated_routers)
self.assertNotIn(router[l3_constants.INTERFACE_KEY][0],
ri.internal_ports)
# The unexpected exception has been fixed manually
self.routing_helper._internal_network_added.side_effect = None
# Failure will cause a retry next time, then were able to add the
# port to ri.internal_ports
self.routing_helper._process_router(ri)
self.assertIn(router[l3_constants.INTERFACE_KEY][0], ri.internal_ports)
def _process_routers_floatingips(self, action='add'):
router, port = prepare_router_data()
driver = self._mock_driver_and_hosting_device(self.routing_helper)
ex_gw_port = router['gw_port']
floating_ip_address = '19.4.4.10'
fixed_ip_address = '35.4.1.10'
fixed_ip_address_2 = '35.4.1.15'
port_id = 'fake_port_id'
floating_ip = {
'fixed_ip_address': fixed_ip_address,
'floating_ip_address': floating_ip_address,
'id': 'floating_ip_id',
'port_id': port_id,
'status': 'ACTIVE',
}
router[l3_constants.FLOATINGIP_KEY] = [floating_ip]
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
# Default add action
self.routing_helper._process_router_floating_ips(ri, ex_gw_port)
driver.floating_ip_added.assert_called_with(ri, ex_gw_port,
floating_ip_address,
fixed_ip_address)
if action == 'remove':
router[l3_constants.FLOATINGIP_KEY] = []
self.routing_helper._process_router_floating_ips(ri, ex_gw_port)
driver.floating_ip_removed.assert_called_with(
ri, ri.ex_gw_port, floating_ip_address, fixed_ip_address)
if action == 'remap':
driver.reset_mock()
floating_ip_2 = copy.deepcopy(floating_ip)
floating_ip_2['fixed_ip_address'] = fixed_ip_address_2
ri.router[l3_constants.FLOATINGIP_KEY] = [floating_ip_2]
self.routing_helper._process_router_floating_ips(ri, ex_gw_port)
driver.floating_ip_added.assert_called_with(
ri, ex_gw_port, floating_ip_address, fixed_ip_address_2)
driver.floating_ip_removed.assert_called_with(
ri, ri.ex_gw_port, floating_ip_address, fixed_ip_address)
def _create_test_global_routers(self, num_ext_subnets=1, subnet_index=0):
# global router and its ports
self.global_router, gl_ports = self.prepare_router_data(
is_global=True, num_ext_subnets=num_ext_subnets)
self.ha_priority = self.global_router[ha.DETAILS][ha.PRIORITY]
self.ri_global = routing_svc_helper.RouterInfo(
self.global_router['id'], self.global_router)
self.gl_port = gl_ports[0]
self.gl_port['ip_info'] = {
'subnet_id': self.gl_port['subnets'][0]['id'],
'is_primary': True,
'ip_cidr': self.gl_port['subnets'][0]['cidr']
}
self.ext_phy_infc = self.gl_port['hosting_info']['physical_interface']
self.vlan_ext = self.gl_port['hosting_info']['segmentation_id']
self.gl_port_ip = self.gl_port['fixed_ips'][subnet_index]['ip_address']
self.gl_port_ip_cidr = self.gl_port['subnets'][subnet_index]['cidr']
self.gl_port_ip_mask = str(
netaddr.IPNetwork(self.gl_port_ip_cidr).netmask)
port_ha_info = self.gl_port['ha_info']
self.gl_port_vip = (
port_ha_info['ha_port']['fixed_ips'][subnet_index]['ip_address'])
self.gl_port_ha_group = port_ha_info['group']
def _test_process_router_throw_multiple_ipv4_subnets_error(self):
router, ports = prepare_router_data(num_subnets=2, is_global=True)
# make router a regular one which triggers the error condition
router[routerrole.ROUTER_ROLE_ATTR] = None
ri = routing_svc_helper.RouterInfo(router['id'], router)
return ri, router
def test_process_router(self):
router, ports = prepare_router_data()
#Setup mock for call to proceess floating ips
self.routing_helper._process_router_floating_ips = mock.Mock()
fake_floatingips1 = {
'floatingips': [{
'id': _uuid(),
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()
}]
}
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
# Process with initial values
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
# Assert that process_floating_ips, internal_network & external network
# added were all called with the right params
self.routing_helper._process_router_floating_ips.assert_called_with(
ri, ex_gw_port)
self.routing_helper._internal_network_added.assert_called_with(
ri, ports[0], ex_gw_port)
self.routing_helper._external_gateway_added.assert_called_with(
ri, ex_gw_port)
self._reset_mocks()
# 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']
# Process again and check that this time only the process_floating_ips
# was only called.
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
self.routing_helper._process_router_floating_ips.assert_called_with(
ri, ex_gw_port)
self.assertFalse(self.routing_helper._internal_network_added.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self._reset_mocks()
# remove just the floating ips
del router[l3_constants.FLOATINGIP_KEY]
# Process again and check that this time also only the
# process_floating_ips and external_network remove was called
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
self.routing_helper._process_router_floating_ips.assert_called_with(
ri, ex_gw_port)
self.assertFalse(self.routing_helper._internal_network_added.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self._reset_mocks()
# now no ports so state is torn down
del router[l3_constants.INTERFACE_KEY]
del router['gw_port']
# Update router_info object
ri.router = router
# Keep a copy of the ex_gw_port before its gone after processing.
ex_gw_port = ri.ex_gw_port
# Process router and verify that internal and external network removed
# were called and floating_ips_process was called
self.routing_helper._process_router(ri)
self.assertFalse(
self.routing_helper._process_router_floating_ips.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self.assertTrue(self.routing_helper._internal_network_removed.called)
self.assertTrue(self.routing_helper._external_gateway_removed.called)
self.routing_helper._internal_network_removed.assert_called_with(
ri, ports[0], ex_gw_port)
self.routing_helper._external_gateway_removed.assert_called_with(
ri, ex_gw_port)
def test_process_router_2_rids_2_vrfs_2_networks(self):
driver = _mock_driver_and_hosting_device(self.routing_helper)
self._set_driver_port_mocks(driver)
router1, ports = self.prepare_router_data()
ri1 = svc_helper.RouterInfo(router1['id'], router=router1)
# Router #2 is like #1, except with different IDs and host info
router2 = copy.deepcopy(router1)
router2['id'] = _uuid()
ri2 = svc_helper.RouterInfo(router2['id'], router=router2)
h_info1 = create_hosting_info()
h_info2 = create_hosting_info(net_name=TEST_NET2,
vlan=TEST_VLAN2,
gw_ip=TEST_GW_IP2,
cidr=TEST_CIDR2)
ri1.router['hosting_info'] = h_info1
ri2.router['hosting_info'] = h_info2
ex_gw_port1 = ri1.router.get('gw_port')
ex_gw_port2 = ri2.router.get('gw_port')
ex_gw_port1['hosting_info'] = h_info1
ex_gw_port2['hosting_info'] = h_info2
vrf1 = ri1.router['hosting_info']['vrf_id']
vrf2 = ri2.router['hosting_info']['vrf_id']
network_name1 = h_info1['network_name']
network_name2 = h_info2['network_name']
driver._get_vrf_name = mock.Mock(return_value=vrf1)
self.routing_helper._process_router(ri1)
driver.internal_network_added.assert_called_with(ri1, ports[0])
driver.enable_internal_network_NAT.assert_called_with(
ri1, ports[0], ex_gw_port1)
v_n_r_dict = self.routing_helper._router_ids_by_vrf_and_ext_net
self.assertEqual(1, len(v_n_r_dict))
self.assertEqual(1, len(v_n_r_dict[vrf1]))
self.assertEqual(1, len(v_n_r_dict[vrf1][network_name1]))
driver.internal_network_added.reset_mock()
driver.enable_internal_network_NAT.reset_mock()
driver._get_vrf_name = mock.Mock(return_value=vrf2)
self.routing_helper._process_router(ri2)
# remove change_details as they are recursive and prevent comparison
del ports[0]['change_details']
del ri2.internal_ports[0]['change_details']
driver.internal_network_added.assert_called_with(ri2, ports[0])
driver.enable_internal_network_NAT.assert_called_with(
ri2, ports[0], ex_gw_port2)
self.assertEqual(2, len(v_n_r_dict))
self.assertEqual(1, len(v_n_r_dict[vrf1]))
self.assertEqual(1, len(v_n_r_dict[vrf2]))
self.assertEqual(1, len(v_n_r_dict[vrf1][network_name1]))
self.assertEqual(1, len(v_n_r_dict[vrf2][network_name2]))
del ri1.router[bc.constants.INTERFACE_KEY]
driver._get_vrf_name = mock.Mock(return_value=vrf1)
self.routing_helper._process_router(ri1)
driver.internal_network_removed.assert_called_with(ri1,
ports[0],
itfc_deleted=True)
driver.disable_internal_network_NAT.assert_called_with(
ri1, ports[0], ex_gw_port1, itfc_deleted=True)
self.assertEqual(1, len(v_n_r_dict))
self.assertEqual(1, len(v_n_r_dict[vrf2]))
self.assertFalse(v_n_r_dict.get(vrf1))
self.assertEqual(1, len(v_n_r_dict[vrf2][network_name2]))
driver.internal_network_removed.reset_mock()
driver.disable_internal_network_NAT.reset_mock()
del ri2.router[bc.constants.INTERFACE_KEY]
driver._get_vrf_name = mock.Mock(return_value=vrf2)
self.routing_helper._process_router(ri2)
# remove change_details as they are recursive and prevent comparison
del ports[0]['change_details']
del driver.internal_network_removed.call_args[0][1]['change_details']
driver.internal_network_removed.assert_called_with(ri2,
ports[0],
itfc_deleted=True)
driver.disable_internal_network_NAT.assert_called_with(
ri2, ports[0], ex_gw_port2, itfc_deleted=True)
self.assertEqual({}, v_n_r_dict)
def test_router_info_create(self):
router_id = _uuid()
fake_router = {}
ri = routing_svc_helper.RouterInfo(router_id, fake_router)
self.assertTrue(ri.router_name().endswith(router_id))
def setUp(self):
super(ASR1kRoutingDriver, self).setUp()
cfg.CONF.set_override('enable_multi_region', False, 'multi_region')
device_params = {
'management_ip_address': 'fake_ip',
'protocol_port': 22,
'credentials': {
"user_name": "stack",
"password": "******"
},
'timeout': None,
'id': '0000-1',
'device_id': 'ASR-1'
}
self.driver = driver.ASR1kRoutingDriver(**device_params)
self.driver._ncc_connection = mock.MagicMock()
self.driver._check_response = mock.MagicMock(return_value=True)
self.driver._check_acl = mock.MagicMock(return_value=False)
self.vrf = ('nrouter-' +
FAKE_ID)[:iosxe_driver.IosXeRoutingDriver.DEV_NAME_LEN]
self.driver._get_vrfs = mock.Mock(return_value=[self.vrf])
self.ex_gw_ip = '20.0.0.31'
# VIP is same as gw_ip for user visible router
self.ex_gw_ip_vip = self.ex_gw_ip
self.ex_gw_prefixlen = 24
self.ex_gw_cidr = '20.0.0.30/24'
self.ex_gw_ip_mask = '255.255.255.0'
self.ex_gw_ha_group = 1500
self.ex_gw_ha_info = {
'group': self.ex_gw_ha_group,
'ha_port': {
'fixed_ips': [{
'ip_address': self.ex_gw_ip_vip,
'prefixlen': self.ex_gw_prefixlen
}]
}
}
self.ex_gw_gateway_ip = '20.0.0.1'
self.vlan_ext = 317
self.phy_infc = 'GigabitEthernet0/0/0'
self.ex_gw_port = {
'id':
_uuid(),
'network_id':
_uuid(),
'fixed_ips': [{
'ip_address': self.ex_gw_ip,
'prefixlen': self.ex_gw_prefixlen,
'subnet_id': _uuid()
}],
'subnets': [{
'cidr': self.ex_gw_cidr,
'gateway_ip': self.ex_gw_gateway_ip
}],
'device_owner':
l3_constants.DEVICE_OWNER_ROUTER_GW,
'mac_address':
'ca:fe:de:ad:be:ef',
'admin_state_up':
True,
'hosting_info': {
'physical_interface': self.phy_infc,
'segmentation_id': self.vlan_ext
},
HA_INFO:
self.ex_gw_ha_info
}
self.vlan_int = 314
self.hosting_info = {
'physical_interface': self.phy_infc,
'segmentation_id': self.vlan_ext
}
self.gw_ip_cidr = '10.0.3.0/24'
self.gw_prefixlen = 24
self.gw_ip = '10.0.3.3'
self.gw_ip_vip = '10.0.3.1'
self.gw_ip_mask = '255.255.255.0'
self.gw_ha_group = 1621
self.gw_ha_info = {
'group': self.gw_ha_group,
'ha_port': {
'fixed_ips': [{
'ip_address': self.gw_ip_vip,
'prefixlen': self.gw_prefixlen
}]
}
}
self.port = {
'id': PORT_ID,
'ip_cidr': self.gw_ip_cidr,
'fixed_ips': [{
'ip_address': self.gw_ip
}],
'subnets': [{
'cidr': self.gw_ip_cidr,
'gateway_ip': self.gw_ip
}],
'hosting_info': {
'physical_interface': self.phy_infc,
'segmentation_id': self.vlan_int
},
HA_INFO: self.gw_ha_info
}
int_ports = [self.port]
self.floating_ip = '20.0.0.35'
self.fixed_ip = '10.0.3.5'
self.ha_priority = 10
self.cisco_ha_details = {
'priority':
self.ha_priority,
'redundancy_level':
1,
'redundancy_routers': [{
'id': _uuid(),
'priority': 20,
'state': 'STANDBY'
}],
'state':
'ACTIVE',
'type':
'HSRP'
}
self.router = {
'id': FAKE_ID,
l3_constants.INTERFACE_KEY: int_ports,
'enable_snat': True,
'admin_state_up': True,
'routes': [],
routerrole.ROUTER_ROLE_ATTR: 'Logical',
ha.ENABLED: True,
ha.DETAILS: self.cisco_ha_details,
'gw_port': self.ex_gw_port
}
self.ri = routing_svc_helper.RouterInfo(FAKE_ID, self.router)
self.ri.internal_ports = int_ports
# Global router
self.global_router = copy.deepcopy(self.router)
self.global_router[routerrole.ROUTER_ROLE_ATTR] = (
cisco_constants.ROUTER_ROLE_GLOBAL)
self.cisco_ha_details_global = {
'priority':
self.ha_priority,
'redundancy_level':
2,
'redundancy_routers': [{
'priority': 10,
'state': 'STANDBY',
'id': FAKE_ID
}, {
'id': _uuid(),
'priority': 20,
'state': 'STANDBY'
}],
'state':
'ACTIVE',
'type':
'HSRP'
}
self.global_router[ha.DETAILS] = self.cisco_ha_details_global
self.global_router['gw_port'][HA_INFO]['ha_port']['fixed_ips'][0][
'ip_address'] = self.ex_gw_ip_vip
self.ri_global = routing_svc_helper.RouterInfo(FAKE_ID,
self.global_router)
self.ri_global.internal_ports = int_ports
def test_router_info_create_snat_disabled(self):
router_id = _uuid()
self.router['enable_snat'] = False
ri = routing_svc_helper.RouterInfo(router_id, self.router)
self.assertFalse(ri.snat_enabled)
def test_process_router_2_rids_2_vrfs_1_network(self):
driver = _mock_driver_and_hosting_device(self.routing_helper)
self._set_driver_port_mocks(driver)
router1, ports = helper.prepare_router_data()
ri1 = svc_helper.RouterInfo(router1['id'], router=router1)
# Router #2 is like #1, except with some different IDs
router2 = copy.deepcopy(router1)
router2['id'] = _uuid()
ri2 = svc_helper.RouterInfo(router2['id'], router=router2)
h_info1 = create_hosting_info()
h_info2 = copy.deepcopy(h_info1)
h_info2['vrf_id'] = _uuid()
ri1.router['hosting_info'] = h_info1
ri2.router['hosting_info'] = h_info2
ex_gw_port1 = ri1.router.get('gw_port')
ex_gw_port2 = ri2.router.get('gw_port')
ex_gw_port1['hosting_info'] = h_info1
ex_gw_port2['hosting_info'] = h_info2
vrf1 = ri1.router['hosting_info']['vrf_id']
vrf2 = ri2.router['hosting_info']['vrf_id']
driver._get_vrf_name = mock.Mock(return_value=vrf1)
self.routing_helper._process_router(ri1)
driver.internal_network_added.assert_called_with(
ri1, ports[0])
driver.enable_internal_network_NAT.assert_called_with(
ri1, ports[0], ex_gw_port1)
v_n_r_dict = self.routing_helper._router_ids_by_vrf_and_ext_net
network_name = h_info1['network_name']
self.assertEqual(1, len(v_n_r_dict))
self.assertEqual(1, len(v_n_r_dict[vrf1]))
self.assertEqual(1, len(v_n_r_dict[vrf1][network_name]))
driver.internal_network_added.reset_mock()
driver.enable_internal_network_NAT.reset_mock()
driver._get_vrf_name = mock.Mock(return_value=vrf2)
self.routing_helper._process_router(ri2)
driver.internal_network_added.assert_called_with(
ri2, ports[0])
driver.enable_internal_network_NAT.assert_called_with(
ri2, ports[0], ex_gw_port2)
network_name = h_info1['network_name']
self.assertEqual(2, len(v_n_r_dict))
self.assertEqual(1, len(v_n_r_dict[vrf1]))
self.assertEqual(1, len(v_n_r_dict[vrf2]))
self.assertEqual(1, len(v_n_r_dict[vrf1][network_name]))
self.assertEqual(1, len(v_n_r_dict[vrf2][network_name]))
del ri1.router[bc.constants.INTERFACE_KEY]
driver._get_vrf_name = mock.Mock(return_value=vrf1)
self.routing_helper._process_router(ri1)
driver.internal_network_removed.assert_called_with(
ri1, ports[0], itfc_deleted=True)
driver.disable_internal_network_NAT.assert_called_with(
ri1, ports[0], ex_gw_port1, itfc_deleted=True)
self.assertEqual(1, len(v_n_r_dict))
self.assertFalse(v_n_r_dict.get(vrf1))
self.assertEqual(1, len(v_n_r_dict[vrf2]))
self.assertEqual(1, len(v_n_r_dict[vrf2][network_name]))
driver.internal_network_removed.reset_mock()
driver.disable_internal_network_NAT.reset_mock()
del ri2.router[bc.constants.INTERFACE_KEY]
driver._get_vrf_name = mock.Mock(return_value=vrf2)
self.routing_helper._process_router(ri2)
driver.internal_network_removed.assert_called_with(
ri2, ports[0], itfc_deleted=True)
driver.disable_internal_network_NAT.assert_called_with(
ri2, ports[0], ex_gw_port2, itfc_deleted=True)
self.assertEqual({}, v_n_r_dict)
def _test_process_msn_router(self,
num_ext_subnets=3,
test_admin_state=True):
def _verify_ip_info(the_mock):
self.assertEqual(num_ext_subnets, len(the_mock.ip_infos))
self.assertTrue(the_mock.ip_infos[0]['is_primary'])
self.assertEqual('19.4.0.4/28', the_mock.ip_infos[0]['ip_cidr'])
for i in range(1, num_ext_subnets):
self.assertFalse(the_mock.ip_infos[i]['is_primary'])
self.assertEqual('19.4.%s.4/27' % i,
the_mock.ip_infos[i]['ip_cidr'])
# need these helpers to verify that ip_info is correct
def _ext_gw_added(ri, ex_gw_port):
self.routing_helper._external_gateway_added.ip_infos.append(
copy.deepcopy(ex_gw_port['ip_info']))
def _ext_gw_removed(ri, ex_gw_port):
self.routing_helper._external_gateway_removed.ip_infos.append(
copy.deepcopy(ex_gw_port['ip_info']))
router, ports = prepare_router_data(num_subnets=num_ext_subnets)
# Setup mock for call to process floating ips
self.routing_helper._process_router_floating_ips = mock.Mock()
fake_floatingips1 = {
'floatingips': [{
'id': _uuid(),
'floating_ip_address': '8.8.8.8',
'fixed_ip_address': '7.7.7.7',
'port_id': _uuid()
}]
}
ri = routing_svc_helper.RouterInfo(router['id'], router=router)
self.routing_helper._external_gateway_added.ip_infos = []
self.routing_helper._external_gateway_added.side_effect = _ext_gw_added
# Process with initial values
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
# Assert that process_floating_ips, internal_network & external network
# added were all called with the right params
(self.routing_helper._process_router_floating_ips.
assert_called_once_with(ri, ex_gw_port))
self.routing_helper._internal_network_added.assert_called_once_with(
ri, ports[0], ex_gw_port)
_verify_ip_info(self.routing_helper._external_gateway_added)
self._reset_mocks()
# 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[bc.constants.FLOATINGIP_KEY] = fake_floatingips2['floatingips']
# Process again and check that this time only the process_floating_ips
# was only called.
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
(self.routing_helper._process_router_floating_ips.
assert_called_once_with(ri, ex_gw_port))
self.assertFalse(self.routing_helper._internal_network_added.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self._reset_mocks()
# remove just the floating ips
del router[bc.constants.FLOATINGIP_KEY]
# Process again and check that this time also only the
# process_floating_ips and external_network remove was called
self.routing_helper._process_router(ri)
ex_gw_port = ri.router.get('gw_port')
(self.routing_helper._process_router_floating_ips.
assert_called_once_with(ri, ex_gw_port))
self.assertFalse(self.routing_helper._internal_network_added.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self._reset_mocks()
if test_admin_state:
self._test_router_admin_port_state(router, ri, ex_gw_port)
# now no ports so state is torn down
del router[bc.constants.INTERFACE_KEY]
del router['gw_port']
# Update router_info object
ri.router = router
# Keep a copy of the ex_gw_port before its gone after processing.
ex_gw_port = ri.ex_gw_port
self.routing_helper._external_gateway_removed.ip_infos = []
self.routing_helper._external_gateway_removed.side_effect = (
_ext_gw_removed)
# Process router and verify that internal and external network removed
# were called and floating_ips_process was called
self.routing_helper._process_router(ri)
self.assertFalse(
self.routing_helper._process_router_floating_ips.called)
self.assertFalse(self.routing_helper._external_gateway_added.called)
self.routing_helper._internal_network_removed.assert_called_once_with(
ri, ports[0], ex_gw_port)
_verify_ip_info(self.routing_helper._external_gateway_removed)