def create_portgroup(self, values): if not values.get('uuid'): values['uuid'] = uuidutils.generate_uuid() portgroup = models.Portgroup() portgroup.update(values) with _session_for_write() as session: try: session.add(portgroup) session.flush() except db_exc.DBDuplicateEntry as exc: if 'name' in exc.columns: raise exception.PortgroupDuplicateName(name=values['name']) elif 'address' in exc.columns: raise exception.PortgroupMACAlreadyExists( mac=values['address']) raise exception.PortgroupAlreadyExists(uuid=values['uuid']) return portgroup
def update_portgroup(self, portgroup_id, values): if 'uuid' in values: msg = _("Cannot overwrite UUID for an existing portgroup.") raise exception.InvalidParameterValue(err=msg) with _session_for_write() as session: try: query = model_query(models.Portgroup) query = add_portgroup_filter(query, portgroup_id) ref = query.one() ref.update(values) session.flush() except NoResultFound: raise exception.PortgroupNotFound(portgroup=portgroup_id) except db_exc.DBDuplicateEntry as exc: if 'name' in exc.columns: raise exception.PortgroupDuplicateName(name=values['name']) elif 'address' in exc.columns: raise exception.PortgroupMACAlreadyExists( mac=values['address']) else: raise return ref