OpenStack Study: models.py

**** CubicPower OpenStack Study ****

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

#

# Copyright 2012 NEC Corporation. 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: Ryota MIBU

import sqlalchemy as sa

from sqlalchemy import orm

from neutron.db import model_base

from neutron.db import models_v2

"""New mapping tables."""

**** CubicPower OpenStack Study ****

class OFCId(object):

"""Resource ID on OpenFlow Controller."""

ofc_id = sa.Column(sa.String(255), unique=True, nullable=False)

**** CubicPower OpenStack Study ****

class NeutronId(object):

"""Logical ID on Neutron."""

neutron_id = sa.Column(sa.String(36), primary_key=True)

**** CubicPower OpenStack Study ****

class OFCTenantMapping(model_base.BASEV2, NeutronId, OFCId):

"""Represents a Tenant on OpenFlow Network/Controller."""

**** CubicPower OpenStack Study ****

class OFCNetworkMapping(model_base.BASEV2, NeutronId, OFCId):

"""Represents a Network on OpenFlow Network/Controller."""

**** CubicPower OpenStack Study ****

class OFCPortMapping(model_base.BASEV2, NeutronId, OFCId):

"""Represents a Port on OpenFlow Network/Controller."""

**** CubicPower OpenStack Study ****

class OFCRouterMapping(model_base.BASEV2, NeutronId, OFCId):

"""Represents a router on OpenFlow Network/Controller."""

**** CubicPower OpenStack Study ****

class OFCFilterMapping(model_base.BASEV2, NeutronId, OFCId):

"""Represents a Filter on OpenFlow Network/Controller."""

**** CubicPower OpenStack Study ****

class PortInfo(model_base.BASEV2):

"""Represents a Virtual Interface."""

id = sa.Column(sa.String(36),

sa.ForeignKey('ports.id', ondelete="CASCADE"),

primary_key=True)

datapath_id = sa.Column(sa.String(36), nullable=False)

port_no = sa.Column(sa.Integer, nullable=False)

vlan_id = sa.Column(sa.Integer, nullable=False)

mac = sa.Column(sa.String(32), nullable=False)

port = orm.relationship(

models_v2.Port,

backref=orm.backref("portinfo",

lazy='joined', uselist=False,

cascade='delete'))