OpenStack Study: models_v2.py

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# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2012 Isaku Yamahata

# 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.

import sqlalchemy as sa

from neutron.db import model_base

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class TunnelKeyLast(model_base.BASEV2):

"""Last allocated Tunnel key.

The next key allocation will be started from this value + 1

"""

last_key = sa.Column(sa.Integer, primary_key=True)

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    def __repr__(self):

        return "" % self.last_key

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class TunnelKey(model_base.BASEV2):

"""Netowrk ID <-> tunnel key mapping."""

network_id = sa.Column(sa.String(36), sa.ForeignKey("networks.id"),

nullable=False)

tunnel_key = sa.Column(sa.Integer, primary_key=True,

nullable=False, autoincrement=False)

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    def __repr__(self):

        return "" % (self.network_id, self.tunnel_key)