def fetch_subnet(self, floatingip):
fip = netaddr.IPAddress(floatingip)
network = self.neutron.show_network(self.network_id)['network']
subnet_ids = network['subnets']
for sub_id in subnet_ids:
subnet = self.neutron.show_subnet(sub_id)['subnet']
cidr = netaddr.IPNetwork(subnet['cidr'])
# skip the subnet because it has not valid cidr for the floating ip
if fip not in cidr:
continue
allocated_ip = netaddr.IPSet()
allocated_ip.add(netaddr.IPAddress(subnet['gateway_ip']))
for alloc in subnet['allocation_pools']:
allocated_ip.add(netaddr.IPRange(alloc['start'], alloc['end']))
if fip in allocated_ip:
raise exceptions.NeutronUsesFloatingIP(floatingip=fip,
subnet=subnet['id'])
else:
self.subnet_id = subnet['id']
return subnet
raise exceptions.FloatingIPSubnetNotFound(fip=floatingip)
def test_create_floatingip_with_invalid_ip(self):
m = mock.MagicMock()
m.fetch_subnet.side_effect = opst_exceptions.NeutronUsesFloatingIP()
self.fip_pool.return_value = m
fip_plugin = floatingip_plugin.FloatingIpPlugin()
self.assertRaises(opst_exceptions.NeutronUsesFloatingIP,
fip_plugin.create_floatingip,
{'floating_ip_address': 'invalid-ip',
'floating_network_id': 'id'})