def _get_router(self, context, id):
try:
router = self._get_by_id(context, Router, id)
except exc.NoResultFound:
raise l3.RouterNotFound(router_id=id)
except exc.MultipleResultsFound:
LOG.error(_('Multiple routers match for %s'), id)
raise l3.RouterNotFound(router_id=id)
return router
def add_router_interface(self, context, router_id, interface_info):
# make sure router exists
router = self._get_router(context, router_id)
if not interface_info:
msg = "Either subnet_id or port_id must be specified"
raise q_exc.BadRequest(resource='router', msg=msg)
try:
policy.enforce(context,
"extension:router:add_router_interface",
self._make_router_dict(router))
except q_exc.PolicyNotAuthorized:
raise l3.RouterNotFound(router_id=router_id)
if 'port_id' in interface_info:
if 'subnet_id' in interface_info:
msg = "cannot specify both subnet-id and port-id"
raise q_exc.BadRequest(resource='router', msg=msg)
port = self._get_port(context, interface_info['port_id'])
if port['device_id']:
raise q_exc.PortInUse(net_id=port['network_id'],
port_id=port['id'],
device_id=port['device_id'])
fixed_ips = [ip for ip in port['fixed_ips']]
if len(fixed_ips) != 1:
msg = 'Router port must have exactly one fixed IP'
raise q_exc.BadRequest(resource='router', msg=msg)
self._check_for_dup_router_subnet(context, router_id,
port['network_id'],
fixed_ips[0]['subnet_id'])
with context.session.begin(subtransactions=True):
port.update({'device_id': router_id,
'device_owner': DEVICE_OWNER_ROUTER_INTF})
elif 'subnet_id' in interface_info:
subnet_id = interface_info['subnet_id']
subnet = self._get_subnet(context, subnet_id)
# Ensure the subnet has a gateway
if not subnet['gateway_ip']:
msg = 'Subnet for router interface must have a gateway IP'
raise q_exc.BadRequest(resource='router', msg=msg)
self._check_for_dup_router_subnet(context, router_id,
subnet['network_id'], subnet_id)
fixed_ip = {'ip_address': subnet['gateway_ip'],
'subnet_id': subnet['id']}
port = self.create_port(context, {
'port':
{'tenant_id': subnet['tenant_id'],
'network_id': subnet['network_id'],
'fixed_ips': [fixed_ip],
'mac_address': attributes.ATTR_NOT_SPECIFIED,
'admin_state_up': True,
'device_id': router_id,
'device_owner': DEVICE_OWNER_ROUTER_INTF,
'name': ''}})
return {'port_id': port['id'],
'subnet_id': port['fixed_ips'][0]['subnet_id']}
def remove_router_interface(self, context, router_id, interface_info):
# make sure router exists
router = self._get_router(context, router_id)
try:
policy.enforce(context,
"extension:router:remove_router_interface",
self._make_router_dict(router))
except q_exc.PolicyNotAuthorized:
raise l3.RouterNotFound(router_id=router_id)
if not interface_info:
msg = "Either subnet_id or port_id must be specified"
raise q_exc.BadRequest(resource='router', msg=msg)
if 'port_id' in interface_info:
port_id = interface_info['port_id']
port_db = self._get_port(context, port_id)
if not (port_db['device_owner'] == DEVICE_OWNER_ROUTER_INTF and
port_db['device_id'] == router_id):
raise w_exc.HTTPNotFound("Router %(router_id)s does not have "
" an interface with id %(port_id)s"
% locals())
if 'subnet_id' in interface_info:
port_subnet_id = port_db['fixed_ips'][0]['subnet_id']
if port_subnet_id != interface_info['subnet_id']:
raise w_exc.HTTPConflict("subnet_id %s on port does not "
"match requested one (%s)"
% (port_subnet_id,
interface_info['subnet_id']))
if port_db['device_id'] != router_id:
raise w_exc.HTTPConflict("port_id %s not used by router" %
port_db['id'])
self.delete_port(context, port_db['id'], l3_port_check=False)
elif 'subnet_id' in interface_info:
subnet_id = interface_info['subnet_id']
subnet = self._get_subnet(context, subnet_id)
found = False
try:
rport_qry = context.session.query(models_v2.Port)
ports = rport_qry.filter_by(
device_id=router_id,
device_owner=DEVICE_OWNER_ROUTER_INTF,
network_id=subnet['network_id']).all()
for p in ports:
if p['fixed_ips'][0]['subnet_id'] == subnet_id:
self.delete_port(context, p['id'], l3_port_check=False)
found = True
break
except exc.NoResultFound:
pass
if not found:
raise w_exc.HTTPNotFound("Router %(router_id)s has no "
"interface on subnet %(subnet_id)s"
% locals())
def remove_router_interface(self, context, router_id, interface_info):
# make sure router exists
router = self._get_router(context, router_id)
try:
policy.enforce(context, "extension:router:remove_router_interface",
self._make_router_dict(router))
except q_exc.PolicyNotAuthorized:
raise l3.RouterNotFound(router_id=router_id)
if not interface_info:
msg = "Either subnet_id or port_id must be specified"
raise q_exc.BadRequest(resource='router', msg=msg)
if 'port_id' in interface_info:
port_id = interface_info['port_id']
port_db = self._get_port(context, port_id)
if not (port_db['device_owner'] == DEVICE_OWNER_ROUTER_INTF
and port_db['device_id'] == router_id):
raise l3.RouterInterfaceNotFound(router_id=router_id,
port_id=port_id)
if 'subnet_id' in interface_info:
port_subnet_id = port_db['fixed_ips'][0]['subnet_id']
if port_subnet_id != interface_info['subnet_id']:
raise q_exc.SubnetMismatchForPort(
port_id=port_id, subnet_id=interface_info['subnet_id'])
self._confirm_router_interface_not_in_use(
context, router_id, port_db['fixed_ips'][0]['subnet_id'])
self.delete_port(context, port_db['id'], l3_port_check=False)
elif 'subnet_id' in interface_info:
subnet_id = interface_info['subnet_id']
self._confirm_router_interface_not_in_use(context, router_id,
subnet_id)
subnet = self._get_subnet(context, subnet_id)
found = False
try:
rport_qry = context.session.query(models_v2.Port)
ports = rport_qry.filter_by(
device_id=router_id,
device_owner=DEVICE_OWNER_ROUTER_INTF,
network_id=subnet['network_id']).all()
for p in ports:
if p['fixed_ips'][0]['subnet_id'] == subnet_id:
self.delete_port(context, p['id'], l3_port_check=False)
found = True
break
except exc.NoResultFound:
pass
if not found:
raise l3.RouterInterfaceNotFoundForSubnet(router_id=router_id,
subnet_id=subnet_id)
routers = self.get_sync_data(context.elevated(), [router_id])
l3_rpc_agent_api.L3AgentNofity.routers_updated(context, routers)
def _get_router(self, context, id):
try:
router = self._get_by_id(context, Router, id)
except exc.NoResultFound:
raise l3.RouterNotFound(router_id=id)
return router