def fixed_ip_associate_pool(context, network_id, instance_uuid=None, host=None):
 return IMPL.fixed_ip_associate_pool(context, network_id, instance_uuid, host)

def fixed_ip_associate_pool ( context , network_id , instance_uuid = None , host = None ) : return IMPL . fixed_ip_associate_pool ( context , network_id , instance_uuid , host )
find free ip in network and associate it to instance or host .