vmware-nsx/quantum/plugins/linuxbridge/db/l2network_models_v2.py
Gary Kotton a81cc24248 Only delete VLAN information after Quantum network is deleted
Fixes bug 1030271

In the case where a network is deleted and there is a VLAN tag in a
separate table then the tag should only be deleted if the network
is deleted.

Change-Id: I99130f863928abf30a521e9a2b6d1233a274d9c6
2012-07-28 14:08:47 -04:00

52 lines
1.6 KiB
Python

# Copyright (c) 2012 OpenStack, LLC.
#
# 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.
import sqlalchemy as sa
from sqlalchemy import orm
from quantum.db import model_base
class VlanID(model_base.BASEV2):
"""Represents a vlan_id usage"""
__tablename__ = 'vlan_ids'
vlan_id = sa.Column(sa.Integer, nullable=False, primary_key=True)
vlan_used = sa.Column(sa.Boolean, nullable=False)
def __init__(self, vlan_id):
self.vlan_id = vlan_id
self.vlan_used = False
def __repr__(self):
return "<VlanID(%d,%s)>" % (self.vlan_id, self.vlan_used)
class VlanBinding(model_base.BASEV2):
"""Represents a binding of vlan_id to network_id"""
__tablename__ = 'vlan_bindings'
network_id = sa.Column(sa.String(36), sa.ForeignKey('networks.id',
ondelete="CASCADE"),
primary_key=True)
vlan_id = sa.Column(sa.Integer, nullable=False)
def __init__(self, vlan_id, network_id):
self.vlan_id = vlan_id
self.network_id = network_id
def __repr__(self):
return "<VlanBinding(%d,%s)>" % (self.vlan_id, self.network_id)