vmware-nsx/neutron/db/routedserviceinsertion_db.py
Mohammad Banikazemi 5da7062881 Removing vim header lines
Simply removes the vim header line and the empty line
following it (when present) for files in the api, db, and
extenssions base directories. In one single _init_ file in
this patchset, all comment lines are removed.

Change-Id: I81b7168dc2ad74b8c30a87e50a531e157851499e
Partial-Bug: 1229324
2014-04-01 10:38:31 -04:00

107 lines
4.4 KiB
Python

# 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, model,
resource_id=None,
router_id=None):
query = self._model_query(context, ServiceRouterBinding)
query = query.filter(
ServiceRouterBinding.resource_type == model.__tablename__)
if resource_id:
query = query.filter(
ServiceRouterBinding.resource_id == resource_id)
if router_id:
query = query.filter(
ServiceRouterBinding.router_id == router_id)
return query.first()
def _get_resource_router_id_bindings(self, context, model,
resource_ids=None,
router_ids=None):
query = self._model_query(context, ServiceRouterBinding)
query = query.filter(
ServiceRouterBinding.resource_type == model.__tablename__)
if resource_ids:
query = query.filter(
ServiceRouterBinding.resource_id.in_(resource_ids))
if router_ids:
query = query.filter(
ServiceRouterBinding.router_id.in_(router_ids))
return query.all()
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, model, resource_id=resource_id)
if binding:
context.session.delete(binding)