def _add_csnat_router_interface_port(
self, context, router, network_id, subnet_id, do_pop=True):
"""Add SNAT interface to the specified router and subnet."""
port_data = {'tenant_id': '',
'network_id': network_id,
'fixed_ips': [{'subnet_id': subnet_id}],
'device_id': router.id,
'device_owner': const.DEVICE_OWNER_ROUTER_SNAT,
'admin_state_up': True,
'name': ''}
snat_port = p_utils.create_port(self._core_plugin, context,
{'port': port_data})
if not snat_port:
msg = _("Unable to create the SNAT Interface Port")
raise n_exc.BadRequest(resource='router', msg=msg)
with p_utils.delete_port_on_error(
self.l3plugin._core_plugin, context.elevated(), snat_port['id']):
l3_obj.RouterPort(
context,
port_id=snat_port['id'],
router_id=router.id,
port_type=const.DEVICE_OWNER_ROUTER_SNAT
).create()
if do_pop:
return self.l3plugin._populate_mtu_and_subnets_for_ports(
context, [snat_port])
return snat_port
def _create_ha_port_binding(self, context, router_id, port_id):
try:
l3_obj.RouterPort(
context,
port_id=port_id,
router_id=router_id,
port_type=constants.DEVICE_OWNER_ROUTER_HA_INTF).create()
portbinding = l3_hamode.L3HARouterAgentPortBinding(
context, port_id=port_id, router_id=router_id)
portbinding.create()
return portbinding
except db_exc.DBReferenceError as e:
with excutils.save_and_reraise_exception() as ctxt:
if isinstance(e.inner_exception, sql_exc.IntegrityError):
ctxt.reraise = False
LOG.debug(
'Failed to create HA router agent PortBinding, '
'Router %s has already been removed '
'by concurrent operation', router_id)
raise l3_exc.RouterNotFound(router_id=router_id)
