def _get_vpp_router(self, context, router_id):
try:
router = self._get_by_id(context, Router, router_id)
except Exception:
raise n_exc.BadRequest("L3 Router not found for router_id: %s",
router_id)
return router
def _get_router_interface(self, context, router_id, router_dict):
"""Populate the param: "router_dict" with values and return.
SideEffect: Changes the parameter: router_dict
Returns the router_dict populated with the network, subnet
gateway ip_address, GPE locators for vxlan, network type,
segmentation ID, is_ipv6, VRF and prefix-length information so
vpp-agent can create the vpp router interface.
Arguments:-
1. router_dict: The router dictionary to be populated with data.
It must contain the key "port_id", which is used to populate the
router dict.
2. router_id: Router ID
"""
port_id = router_dict['port_id']
port = self._core_plugin.get_port(context, port_id)
network = self._core_plugin.get_network(context,
port['network_id'])
fixed_ips = [ip for ip in port['fixed_ips']]
if not fixed_ips:
n_exc.BadRequest('vpp-router-service: A router port must '
'have at least one fixed IP address')
# TODO(najoy): Handle multiple fixed-ips on a router port
fixed_ip = fixed_ips[0]
subnet = self._core_plugin.get_subnet(context,
fixed_ip['subnet_id'])
router_dict['gateway_ip'] = fixed_ip['ip_address']
router_dict['subnet_id'] = subnet['id']
router_dict['fixed_ips'] = fixed_ips
address = ip_network(subnet['cidr'])
router_dict['network_id'] = network['id']
router_dict['is_ipv6'] = True if address.version == 6 else False
router_dict['prefixlen'] = address.prefixlen
router_dict['mtu'] = network['mtu']
router_dict['segmentation_id'] = network[provider.SEGMENTATION_ID]
router_dict['net_type'] = network[provider.NETWORK_TYPE]
if router_dict['net_type'] == 'vxlan':
router_dict['physnet'] = self.gpe_physnet
else:
router_dict['physnet'] = network[provider.PHYSICAL_NETWORK]
# Get VRF corresponding to the router
vrf_id = db.get_router_vrf(context.session, router_id)
router_dict['vrf_id'] = vrf_id
return router_dict