def _add_snat_port_info_to_router(self, router, internal_ports):
# Add snat port information to the router
snat_port_list = router.get(l3_constants.SNAT_ROUTER_INTF_KEY, [])
if not snat_port_list and internal_ports:
# Get values from internal port
port = internal_ports[0]
fixed_ip = port['fixed_ips'][0]
snat_subnet = port['subnets'][0]
port_ip = fixed_ip['ip_address']
# Pick an ip address which is not the same as port_ip
snat_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add the info to router as the first snat port
# in the list of snat ports
prefixlen = netaddr.IPNetwork(snat_subnet['cidr']).prefixlen
router[l3_constants.SNAT_ROUTER_INTF_KEY] = [
{'subnets': [
{'cidr': snat_subnet['cidr'],
'gateway_ip': snat_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']}],
'network_id': port['network_id'],
'device_owner': l3_constants.DEVICE_OWNER_ROUTER_SNAT,
'mac_address': 'fa:16:3e:80:8d:89',
'fixed_ips': [{'subnet_id': fixed_ip['subnet_id'],
'ip_address': snat_ip,
'prefixlen': prefixlen}],
'id': framework._uuid(),
'device_id': framework._uuid()}
]
def _add_snat_port_info_to_router(self, router, internal_ports):
# Add snat port information to the router
snat_port_list = router.get(l3_constants.SNAT_ROUTER_INTF_KEY, [])
if not snat_port_list and internal_ports:
router[l3_constants.SNAT_ROUTER_INTF_KEY] = []
for port in internal_ports:
# Get values from internal port
fixed_ip = port["fixed_ips"][0]
snat_subnet = port["subnets"][0]
port_ip = fixed_ip["ip_address"]
# Pick an ip address which is not the same as port_ip
snat_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add the info to router as the first snat port
# in the list of snat ports
prefixlen = netaddr.IPNetwork(snat_subnet["cidr"]).prefixlen
snat_router_port = {
"subnets": [
{
"cidr": snat_subnet["cidr"],
"gateway_ip": snat_subnet["gateway_ip"],
"id": fixed_ip["subnet_id"],
}
],
"network_id": port["network_id"],
"device_owner": l3_constants.DEVICE_OWNER_ROUTER_SNAT,
"mac_address": "fa:16:3e:80:8d:89",
"fixed_ips": [{"subnet_id": fixed_ip["subnet_id"], "ip_address": snat_ip, "prefixlen": prefixlen}],
"id": framework._uuid(),
"device_id": framework._uuid(),
}
# Get the address scope if there is any
if "address_scopes" in port:
snat_router_port["address_scopes"] = port["address_scopes"]
router[l3_constants.SNAT_ROUTER_INTF_KEY].append(snat_router_port)
def _add_fip_agent_gw_port_info_to_router(self, router, external_gw_port):
# Add fip agent gateway port information to the router_info
fip_gw_port_list = router.get(
l3_constants.FLOATINGIP_AGENT_INTF_KEY, [])
if not fip_gw_port_list and external_gw_port:
# Get values from external gateway port
fixed_ip = external_gw_port['fixed_ips'][0]
float_subnet = external_gw_port['subnets'][0]
port_ip = fixed_ip['ip_address']
# Pick an ip address which is not the same as port_ip
fip_gw_port_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add floatingip agent gateway port info to router
prefixlen = netaddr.IPNetwork(float_subnet['cidr']).prefixlen
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = [
{'subnets': [
{'cidr': float_subnet['cidr'],
'gateway_ip': float_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']}],
'network_id': external_gw_port['network_id'],
'device_owner': l3_constants.DEVICE_OWNER_AGENT_GW,
'mac_address': 'fa:16:3e:80:8d:89',
portbindings.HOST_ID: self.agent.conf.host,
'fixed_ips': [{'subnet_id': fixed_ip['subnet_id'],
'ip_address': fip_gw_port_ip,
'prefixlen': prefixlen}],
'id': framework._uuid(),
'device_id': framework._uuid()}
]
def _add_fip_agent_gw_port_info_to_router(self, router, external_gw_port):
# Add fip agent gateway port information to the router_info
fip_gw_port_list = router.get(l3_constants.FLOATINGIP_AGENT_INTF_KEY, [])
if not fip_gw_port_list and external_gw_port:
# Get values from external gateway port
fixed_ip = external_gw_port["fixed_ips"][0]
float_subnet = external_gw_port["subnets"][0]
port_ip = fixed_ip["ip_address"]
# Pick an ip address which is not the same as port_ip
fip_gw_port_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add floatingip agent gateway port info to router
prefixlen = netaddr.IPNetwork(float_subnet["cidr"]).prefixlen
router[l3_constants.FLOATINGIP_AGENT_INTF_KEY] = [
{
"subnets": [
{
"cidr": float_subnet["cidr"],
"gateway_ip": float_subnet["gateway_ip"],
"id": fixed_ip["subnet_id"],
}
],
"network_id": external_gw_port["network_id"],
"device_owner": l3_constants.DEVICE_OWNER_AGENT_GW,
"mac_address": "fa:16:3e:80:8d:89",
portbindings.HOST_ID: self.agent.conf.host,
"fixed_ips": [
{"subnet_id": fixed_ip["subnet_id"], "ip_address": fip_gw_port_ip, "prefixlen": prefixlen}
],
"id": framework._uuid(),
"device_id": framework._uuid(),
}
]
def test_keepalived_configuration(self):
router_info = self.generate_router_info(enable_ha=True)
router = self.manage_router(self.agent, router_info)
expected = self.get_expected_keepalive_configuration(router)
self.assertEqual(expected, router.keepalived_manager.get_conf_on_disk())
# Add a new FIP and change the GW IP address
router.router = copy.deepcopy(router.router)
existing_fip = "19.4.4.2"
new_fip = "19.4.4.3"
self._add_fip(router, new_fip)
subnet_id = framework._uuid()
fixed_ips = [{"ip_address": "19.4.4.10", "prefixlen": 24, "subnet_id": subnet_id}]
subnets = [{"id": subnet_id, "cidr": "19.4.4.0/24", "gateway_ip": "19.4.4.5"}]
router.router["gw_port"]["subnets"] = subnets
router.router["gw_port"]["fixed_ips"] = fixed_ips
router.process(self.agent)
# Get the updated configuration and assert that both FIPs are in,
# and that the GW IP address was updated.
new_config = router.keepalived_manager.config.get_config_str()
old_gw = "0.0.0.0/0 via 19.4.4.1"
new_gw = "0.0.0.0/0 via 19.4.4.5"
old_external_device_ip = "19.4.4.4"
new_external_device_ip = "19.4.4.10"
self.assertIn(existing_fip, new_config)
self.assertIn(new_fip, new_config)
self.assertNotIn(old_gw, new_config)
self.assertIn(new_gw, new_config)
external_port = router.get_ex_gw_port()
external_device_name = router.get_external_device_name(external_port["id"])
self.assertNotIn("%s/24 dev %s" % (old_external_device_ip, external_device_name), new_config)
self.assertIn("%s/24 dev %s" % (new_external_device_ip, external_device_name), new_config)
def _test_periodic_sync_routers_task(self,
routers_to_keep,
routers_deleted,
routers_deleted_during_resync):
ns_names_to_retrieve = set()
deleted_routers_info = []
for r in routers_to_keep:
ri = self.manage_router(self.agent, r)
ns_names_to_retrieve.add(ri.ns_name)
for r in routers_deleted + routers_deleted_during_resync:
ri = self.manage_router(self.agent, r)
deleted_routers_info.append(ri)
ns_names_to_retrieve.add(ri.ns_name)
mocked_get_router_ids = self.mock_plugin_api.get_router_ids
mocked_get_router_ids.return_value = [r['id'] for r in
routers_to_keep +
routers_deleted_during_resync]
mocked_get_routers = self.mock_plugin_api.get_routers
mocked_get_routers.return_value = (routers_to_keep +
routers_deleted_during_resync)
# clear agent router_info as it will be after restart
self.agent.router_info = {}
# Synchronize the agent with the plug-in
with mock.patch.object(namespace_manager.NamespaceManager, 'list_all',
return_value=ns_names_to_retrieve):
self.agent.periodic_sync_routers_task(self.agent.context)
# Mock the plugin RPC API so a known external network id is returned
# when the router updates are processed by the agent
external_network_id = framework._uuid()
self.mock_plugin_api.get_external_network_id.return_value = (
external_network_id)
# Plug external_gateway_info in the routers that are not going to be
# deleted by the agent when it processes the updates. Otherwise,
# _process_router_if_compatible in the agent fails
for r in routers_to_keep:
r['external_gateway_info'] = {'network_id': external_network_id}
# while sync updates are still in the queue, higher priority
# router_deleted events may be added there as well
for r in routers_deleted_during_resync:
self.agent.router_deleted(self.agent.context, r['id'])
# make sure all events are processed
while not self.agent._queue._queue.empty():
self.agent._process_router_update()
for r in routers_to_keep:
self.assertIn(r['id'], self.agent.router_info)
self.assertTrue(self._namespace_exists(namespaces.NS_PREFIX +
r['id']))
for ri in deleted_routers_info:
self.assertNotIn(ri.router_id,
self.agent.router_info)
self._assert_router_does_not_exist(ri)
def test_keepalived_configuration(self):
router_info = self.generate_router_info(enable_ha=True)
router = self.manage_router(self.agent, router_info)
expected = self.get_expected_keepalive_configuration(router)
self.assertEqual(expected,
router.keepalived_manager.get_conf_on_disk())
# Add a new FIP and change the GW IP address
router.router = copy.deepcopy(router.router)
existing_fip = '19.4.4.2'
new_fip = '19.4.4.3'
self._add_fip(router, new_fip)
subnet_id = framework._uuid()
fixed_ips = [{
'ip_address': '19.4.4.10',
'prefixlen': 24,
'subnet_id': subnet_id
}]
subnets = [{
'id': subnet_id,
'cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.5'
}]
router.router['gw_port']['subnets'] = subnets
router.router['gw_port']['fixed_ips'] = fixed_ips
router.process()
# Get the updated configuration and assert that both FIPs are in,
# and that the GW IP address was updated.
new_config = router.keepalived_manager.config.get_config_str()
old_gw = '0.0.0.0/0 via 19.4.4.1'
new_gw = '0.0.0.0/0 via 19.4.4.5'
old_external_device_ip = '19.4.4.4'
new_external_device_ip = '19.4.4.10'
self.assertIn(existing_fip, new_config)
self.assertIn(new_fip, new_config)
self.assertNotIn(old_gw, new_config)
self.assertIn(new_gw, new_config)
external_port = router.get_ex_gw_port()
external_device_name = router.get_external_device_name(
external_port['id'])
self.assertNotIn(
'%s/24 dev %s' % (old_external_device_ip, external_device_name),
new_config)
self.assertIn(
'%s/24 dev %s' % (new_external_device_ip, external_device_name),
new_config)
def _add_fip_agent_gw_port_info_to_router(self, router, external_gw_port):
# Add fip agent gateway port information to the router_info
fip_gw_port_list = router.get(n_const.FLOATINGIP_AGENT_INTF_KEY, [])
if not fip_gw_port_list and external_gw_port:
# Get values from external gateway port
fixed_ip = external_gw_port['fixed_ips'][0]
float_subnet = external_gw_port['subnets'][0]
port_ip = fixed_ip['ip_address']
# Pick an ip address which is not the same as port_ip
fip_gw_port_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add floatingip agent gateway port info to router
prefixlen = netaddr.IPNetwork(float_subnet['cidr']).prefixlen
router[n_const.FLOATINGIP_AGENT_INTF_KEY] = [{
'subnets': [{
'cidr': float_subnet['cidr'],
'gateway_ip': float_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']
}],
'network_id':
external_gw_port['network_id'],
'device_owner':
l3_constants.DEVICE_OWNER_AGENT_GW,
'mac_address':
'fa:16:3e:80:8d:89',
portbindings.HOST_ID:
self.agent.conf.host,
'fixed_ips': [{
'subnet_id': fixed_ip['subnet_id'],
'ip_address': fip_gw_port_ip,
'prefixlen': prefixlen
}],
'id':
framework._uuid(),
'device_id':
framework._uuid()
}]
def _add_snat_port_info_to_router(self, router, internal_ports):
# Add snat port information to the router
snat_port_list = router.get(l3_constants.SNAT_ROUTER_INTF_KEY, [])
if not snat_port_list and internal_ports:
# Get values from internal port
port = internal_ports[0]
fixed_ip = port['fixed_ips'][0]
snat_subnet = port['subnets'][0]
port_ip = fixed_ip['ip_address']
# Pick an ip address which is not the same as port_ip
snat_ip = str(netaddr.IPAddress(port_ip) + 5)
# Add the info to router as the first snat port
# in the list of snat ports
prefixlen = netaddr.IPNetwork(snat_subnet['cidr']).prefixlen
router[l3_constants.SNAT_ROUTER_INTF_KEY] = [{
'subnets': [{
'cidr': snat_subnet['cidr'],
'gateway_ip': snat_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']
}],
'network_id':
port['network_id'],
'device_owner':
l3_constants.DEVICE_OWNER_ROUTER_SNAT,
'mac_address':
'fa:16:3e:80:8d:89',
'fixed_ips': [{
'subnet_id': fixed_ip['subnet_id'],
'ip_address': snat_ip,
'prefixlen': prefixlen
}],
'id':
framework._uuid(),
'device_id':
framework._uuid()
}]
def test_keepalived_configuration(self):
router_info = self.generate_router_info(enable_ha=True)
router = self.manage_router(self.agent, router_info)
expected = self.get_expected_keepalive_configuration(router)
self.assertEqual(expected,
router.keepalived_manager.get_conf_on_disk())
# Add a new FIP and change the GW IP address
router.router = copy.deepcopy(router.router)
existing_fip = '19.4.4.2'
new_fip = '19.4.4.3'
self._add_fip(router, new_fip)
subnet_id = framework._uuid()
fixed_ips = [{'ip_address': '19.4.4.10',
'prefixlen': 24,
'subnet_id': subnet_id}]
subnets = [{'id': subnet_id,
'cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.5'}]
router.router['gw_port']['subnets'] = subnets
router.router['gw_port']['fixed_ips'] = fixed_ips
router.process(self.agent)
# Get the updated configuration and assert that both FIPs are in,
# and that the GW IP address was updated.
new_config = router.keepalived_manager.config.get_config_str()
old_gw = '0.0.0.0/0 via 19.4.4.1'
new_gw = '0.0.0.0/0 via 19.4.4.5'
old_external_device_ip = '19.4.4.4'
new_external_device_ip = '19.4.4.10'
self.assertIn(existing_fip, new_config)
self.assertIn(new_fip, new_config)
self.assertNotIn(old_gw, new_config)
self.assertIn(new_gw, new_config)
external_port = router.get_ex_gw_port()
external_device_name = router.get_external_device_name(
external_port['id'])
self.assertNotIn('%s/24 dev %s' %
(old_external_device_ip, external_device_name),
new_config)
self.assertIn('%s/24 dev %s' %
(new_external_device_ip, external_device_name),
new_config)
def test_dvr_router_fips_stale_gw_port(self):
self.agent.conf.agent_mode = 'dvr'
# Create the router with external net
dvr_router_kwargs = {'ip_address': '19.4.4.3',
'subnet_cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.1',
'gateway_mac': 'ca:fe:de:ab:cd:ef'}
router_info = self.generate_dvr_router_info(**dvr_router_kwargs)
external_gw_port = router_info['gw_port']
ext_net_id = router_info['_floatingips'][0]['floating_network_id']
self.mock_plugin_api.get_external_network_id.return_value(ext_net_id)
# Create the fip namespace up front
stale_fip_ns = dvr_fip_ns.FipNamespace(ext_net_id,
self.agent.conf,
self.agent.driver,
self.agent.use_ipv6)
stale_fip_ns.create()
# Add a stale fg port to the namespace
fixed_ip = external_gw_port['fixed_ips'][0]
float_subnet = external_gw_port['subnets'][0]
fip_gw_port_ip = str(netaddr.IPAddress(fixed_ip['ip_address']) + 10)
prefixlen = netaddr.IPNetwork(float_subnet['cidr']).prefixlen
stale_agent_gw_port = {
'subnets': [{'cidr': float_subnet['cidr'],
'gateway_ip': float_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']}],
'network_id': external_gw_port['network_id'],
'device_owner': l3_constants.DEVICE_OWNER_AGENT_GW,
'mac_address': 'fa:16:3e:80:8f:89',
portbindings.HOST_ID: self.agent.conf.host,
'fixed_ips': [{'subnet_id': fixed_ip['subnet_id'],
'ip_address': fip_gw_port_ip,
'prefixlen': prefixlen}],
'id': framework._uuid(),
'device_id': framework._uuid()}
stale_fip_ns.create_gateway_port(stale_agent_gw_port)
stale_dev_exists = self.device_exists_with_ips_and_mac(
stale_agent_gw_port,
stale_fip_ns.get_ext_device_name,
stale_fip_ns.get_name())
self.assertTrue(stale_dev_exists)
# Create the router, this shouldn't allow the duplicate port to stay
router = self.manage_router(self.agent, router_info)
# Assert the device no longer exists
stale_dev_exists = self.device_exists_with_ips_and_mac(
stale_agent_gw_port,
stale_fip_ns.get_ext_device_name,
stale_fip_ns.get_name())
self.assertFalse(stale_dev_exists)
# Validate things are looking good and clean up
self._validate_fips_for_external_network(
router, router.fip_ns.get_name())
ext_gateway_port = router_info['gw_port']
self._delete_router(self.agent, router.router_id)
self._assert_fip_namespace_deleted(ext_gateway_port)
def test_dvr_router_fips_stale_gw_port(self):
self.agent.conf.agent_mode = 'dvr'
# Create the router with external net
dvr_router_kwargs = {
'ip_address': '19.4.4.3',
'subnet_cidr': '19.4.4.0/24',
'gateway_ip': '19.4.4.1',
'gateway_mac': 'ca:fe:de:ab:cd:ef'
}
router_info = self.generate_dvr_router_info(**dvr_router_kwargs)
external_gw_port = router_info['gw_port']
ext_net_id = router_info['_floatingips'][0]['floating_network_id']
self.mock_plugin_api.get_external_network_id.return_value(ext_net_id)
# Create the fip namespace up front
stale_fip_ns = dvr_fip_ns.FipNamespace(ext_net_id, self.agent.conf,
self.agent.driver,
self.agent.use_ipv6)
stale_fip_ns.create()
# Add a stale fg port to the namespace
fixed_ip = external_gw_port['fixed_ips'][0]
float_subnet = external_gw_port['subnets'][0]
fip_gw_port_ip = str(netaddr.IPAddress(fixed_ip['ip_address']) + 10)
prefixlen = netaddr.IPNetwork(float_subnet['cidr']).prefixlen
stale_agent_gw_port = {
'subnets': [{
'cidr': float_subnet['cidr'],
'gateway_ip': float_subnet['gateway_ip'],
'id': fixed_ip['subnet_id']
}],
'network_id':
external_gw_port['network_id'],
'device_owner':
lib_constants.DEVICE_OWNER_AGENT_GW,
'mac_address':
'fa:16:3e:80:8f:89',
portbindings.HOST_ID:
self.agent.conf.host,
'fixed_ips': [{
'subnet_id': fixed_ip['subnet_id'],
'ip_address': fip_gw_port_ip,
'prefixlen': prefixlen
}],
'id':
framework._uuid(),
'device_id':
framework._uuid()
}
stale_fip_ns.create_gateway_port(stale_agent_gw_port)
stale_dev_exists = self.device_exists_with_ips_and_mac(
stale_agent_gw_port, stale_fip_ns.get_ext_device_name,
stale_fip_ns.get_name())
self.assertTrue(stale_dev_exists)
# Create the router, this shouldn't allow the duplicate port to stay
router = self.manage_router(self.agent, router_info)
# Assert the device no longer exists
stale_dev_exists = self.device_exists_with_ips_and_mac(
stale_agent_gw_port, stale_fip_ns.get_ext_device_name,
stale_fip_ns.get_name())
self.assertFalse(stale_dev_exists)
# Validate things are looking good and clean up
self._validate_fips_for_external_network(router,
router.fip_ns.get_name())
ext_gateway_port = router_info['gw_port']
self._delete_router(self.agent, router.router_id)
self._assert_fip_namespace_deleted(ext_gateway_port)