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 context.session.begin(subtransactions=True):
router_port = l3_models.RouterPort(
port_id=snat_port['id'],
router_id=router.id,
port_type=const.DEVICE_OWNER_ROUTER_SNAT
)
context.session.add(router_port)
if do_pop:
return self.l3plugin._populate_mtu_and_subnets_for_ports(
context, [snat_port])
return snat_port
def _setup_delete_current_gw_port_deletes_dvr_internal_ports(
self, port=None, gw_port=True, new_network_id='ext_net_id_2'):
router_db = {
'name': 'foo_router',
'admin_state_up': True,
'distributed': True
}
router = self._create_router(router_db)
if gw_port:
with self.subnet(cidr='10.10.10.0/24') as subnet:
port_dict = {
'device_id': router.id,
'device_owner': const.DEVICE_OWNER_ROUTER_GW,
'admin_state_up': True,
'fixed_ips': [{'subnet_id': subnet['subnet']['id'],
'ip_address': '10.10.10.100'}]
}
net_id = subnet['subnet']['network_id']
port_res = self.create_port(net_id, port_dict)
port_res_dict = self.deserialize(self.fmt, port_res)
with self.ctx.session.begin(subtransactions=True):
port_db = self.ctx.session.query(models_v2.Port).filter_by(
id=port_res_dict['port']['id']).one()
router.gw_port = port_db
router_port = l3_models.RouterPort(
router_id=router.id,
port_id=port_db.id,
port_type=const.DEVICE_OWNER_ROUTER_GW
)
self.ctx.session.add(router)
self.ctx.session.add(router_port)
else:
net_id = None
plugin = mock.Mock()
directory.add_plugin(plugin_constants.CORE, plugin)
with mock.patch.object(l3_dvr_db.l3_db.L3_NAT_db_mixin,
'router_gw_port_has_floating_ips',
return_value=False),\
mock.patch.object(
self.mixin,
'_get_router') as grtr,\
mock.patch.object(
self.mixin,
'delete_csnat_router_interface_ports') as del_csnat_port,\
mock.patch.object(
self.mixin,
'delete_floatingip_agent_gateway_port') as del_agent_gw_port,\
mock.patch.object(
self.mixin.l3_rpc_notifier,
'delete_fipnamespace_for_ext_net') as del_fip:
plugin.get_ports.return_value = port
grtr.return_value = router
self.mixin._delete_current_gw_port(
self.ctx, router['id'], router, new_network_id)
return router, plugin, net_id, del_csnat_port,\
del_agent_gw_port, del_fip
def _create_router(self, gw_port=True, num_ports=2, create_routes=True):
# GW CIDR: 10.0.0.0/24
# Interface CIDRS: 10.0.1.0/24, 10.0.2.0/24, etc.
router_id = uuidutils.generate_uuid()
port_gw_cidr = netaddr.IPNetwork('10.0.0.0/24')
rports = []
if gw_port:
port_gw = models_v2.Port(
id=uuidutils.generate_uuid(),
fixed_ips=[
models_v2.IPAllocation(ip_address=str(port_gw_cidr.ip + 1))
])
rports.append(
l3_models.RouterPort(router_id=router_id, port=port_gw))
else:
port_gw = None
port_cidrs = []
port_subnets = []
for idx in range(num_ports):
cidr = port_gw_cidr.cidr.next(idx + 1)
port = models_v2.Port(
id=uuidutils.generate_uuid(),
fixed_ips=[
models_v2.IPAllocation(ip_address=str(cidr.ip + 1))
])
port_cidrs.append(cidr)
rports.append(l3_models.RouterPort(router_id=router_id, port=port))
port_subnets.append({'cidr': str(cidr)})
routes = []
if create_routes:
for cidr in [*port_cidrs, port_gw_cidr]:
routes.append(
l3_models.RouterRoute(destination=str(cidr.next(100)),
nexthop=str(cidr.ip + 10)))
return (l3_models.Router(id=router_id,
attached_ports=rports,
route_list=routes,
gw_port_id=port_gw.id if port_gw else None),
port_subnets)
def _create_ha_port_binding(self, context, router_id, port_id):
try:
with context.session.begin():
routerportbinding = l3_models.RouterPort(
port_id=port_id, router_id=router_id,
port_type=constants.DEVICE_OWNER_ROUTER_HA_INTF)
context.session.add(routerportbinding)
portbinding = l3ha_model.L3HARouterAgentPortBinding(
port_id=port_id, router_id=router_id)
context.session.add(portbinding)
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.RouterNotFound(router_id=router_id)
