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OpenStack Study: routerservicetype_db.py**** CubicPower OpenStack Study ****
# vim: tabstop=4 shiftwidth=4 softtabstop=4 # # Copyright 2013 VMware, Inc. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. # # @author: Kaiwei Fan, VMware, Inc import sqlalchemy as sa from neutron.db import model_base from neutron.extensions import routerservicetype as rst
**** CubicPower OpenStack Study **** class RouterServiceTypeBinding(model_base.BASEV2): router_id = sa.Column(sa.String(36), sa.ForeignKey('routers.id', ondelete="CASCADE"), primary_key=True) service_type_id = sa.Column(sa.String(36), nullable=False)
**** CubicPower OpenStack Study **** class RouterServiceTypeDbMixin(object): """Mixin class to add router service type."""
**** CubicPower OpenStack Study **** def _process_create_router_service_type_id(self, context, router): with context.session.begin(subtransactions=True): db = RouterServiceTypeBinding( router_id=router['id'], service_type_id=router[rst.SERVICE_TYPE_ID]) context.session.add(db) return self._make_router_service_type_id_dict(db)
**** CubicPower OpenStack Study **** def _extend_router_service_type_id_dict(self, context, router): rsbind = self._get_router_service_type_id_binding( context, router['id']) if rsbind: router[rst.SERVICE_TYPE_ID] = rsbind['service_type_id']
**** CubicPower OpenStack Study **** def _get_router_service_type_id_binding(self, context, router_id): query = self._model_query(context, RouterServiceTypeBinding) query = query.filter( RouterServiceTypeBinding.router_id == router_id) return query.first()
**** CubicPower OpenStack Study **** def _make_router_service_type_id_dict(self, router_service_type): res = {'router_id': router_service_type['router_id'], 'service_type_id': router_service_type[rst.SERVICE_TYPE_ID]} return self._fields(res, None)
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