def _update_db_port(self, context, db_port, new_port, network_id, new_mac):
# Remove all attributes in new_port which are not in the port DB model
# and then update the port
try:
db_port.update(
self._filter_non_model_columns(new_port, models_v2.Port))
context.session.flush()
except db_exc.DBDuplicateEntry:
raise n_exc.MacAddressInUse(net_id=network_id, mac=new_mac)
def _create_port_with_mac(self, context, network_id, port_data,
mac_address):
try:
# since this method could either be used within or outside the
# transaction, use convenience method to avoid passing a flag
with db_api.autonested_transaction(context.session):
db_port = models_v2.Port(mac_address=mac_address, **port_data)
context.session.add(db_port)
return db_port
except db_exc.DBDuplicateEntry:
raise n_exc.MacAddressInUse(net_id=network_id, mac=mac_address)