380b0e7db6
This change renames everything to Neutron while providing backwards compatible adjustments for Grizzly configuration files. implements blueprint: remove-use-of-quantum Change-Id: Ie7d07ba7c89857e13d4ddc8f0e9b68de020a3d19
88 lines
3.6 KiB
Python
88 lines
3.6 KiB
Python
# 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 sqlalchemy import event
|
|
|
|
from neutron.common import exceptions as qexception
|
|
from neutron.db import model_base
|
|
from neutron.extensions import routedserviceinsertion as rsi
|
|
|
|
|
|
class ServiceRouterBinding(model_base.BASEV2):
|
|
resource_id = sa.Column(sa.String(36),
|
|
primary_key=True)
|
|
resource_type = sa.Column(sa.String(36),
|
|
primary_key=True)
|
|
router_id = sa.Column(sa.String(36),
|
|
sa.ForeignKey('routers.id'),
|
|
nullable=False)
|
|
|
|
|
|
class AttributeException(qexception.NeutronException):
|
|
message = _("Resource type '%(resource_type)s' is longer "
|
|
"than %(maxlen)d characters")
|
|
|
|
|
|
@event.listens_for(ServiceRouterBinding.resource_type, 'set', retval=True)
|
|
def validate_resource_type(target, value, oldvalue, initiator):
|
|
"""Make sure the resource type fit the resource_type column."""
|
|
maxlen = ServiceRouterBinding.resource_type.property.columns[0].type.length
|
|
if len(value) > maxlen:
|
|
raise AttributeException(resource_type=value, maxlen=maxlen)
|
|
return value
|
|
|
|
|
|
class RoutedServiceInsertionDbMixin(object):
|
|
"""Mixin class to add router service insertion."""
|
|
|
|
def _process_create_resource_router_id(self, context, resource, model):
|
|
with context.session.begin(subtransactions=True):
|
|
db = ServiceRouterBinding(
|
|
resource_id=resource['id'],
|
|
resource_type=model.__tablename__,
|
|
router_id=resource[rsi.ROUTER_ID])
|
|
context.session.add(db)
|
|
return self._make_resource_router_id_dict(db, model)
|
|
|
|
def _extend_resource_router_id_dict(self, context, resource, model):
|
|
binding = self._get_resource_router_id_binding(
|
|
context, resource['resource_id'], model)
|
|
resource[rsi.ROUTER_ID] = binding['router_id']
|
|
|
|
def _get_resource_router_id_binding(self, context, resource_id, model):
|
|
query = self._model_query(context, ServiceRouterBinding)
|
|
query = query.filter(
|
|
ServiceRouterBinding.resource_id == resource_id,
|
|
ServiceRouterBinding.resource_type == model.__tablename__)
|
|
return query.first()
|
|
|
|
def _make_resource_router_id_dict(self, resource_router_binding, model,
|
|
fields=None):
|
|
resource = {'resource_id': resource_router_binding['resource_id'],
|
|
'resource_type': model.__tablename__,
|
|
rsi.ROUTER_ID: resource_router_binding[rsi.ROUTER_ID]}
|
|
return self._fields(resource, fields)
|
|
|
|
def _delete_resource_router_id_binding(self, context, resource_id, model):
|
|
with context.session.begin(subtransactions=True):
|
|
binding = self._get_resource_router_id_binding(
|
|
context, resource_id, model)
|
|
if binding:
|
|
context.session.delete(binding)
|