Isaku Yamahata 26ef783d04 plugin/ryu: add tunnel support
blueprint ryu-tunnel-support
This patch adds tunneling support to Ryu plugin.
Ryu supports gre tunneling which requires quantum ryu plugin to manage
key assignment.

Change-Id: I9f8db0913941c3da13045170e1557d333f0c68e2
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
2012-11-13 04:20:10 +09:00

56 lines
2.0 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Isaku Yamahata <yamahata at private email ne jp>
# 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 quantum.db import model_base
from quantum.db import models_v2
class OFPServer(model_base.BASEV2):
"""Openflow Server/API address."""
__tablename__ = 'ofp_server'
id = sa.Column(sa.Integer, primary_key=True, autoincrement=True)
address = sa.Column(sa.String(64)) # netloc <host ip address>:<port>
host_type = sa.Column(sa.String(255)) # server type
# Controller, REST_API
def __repr__(self):
return "<OFPServer(%s,%s,%s)>" % (self.id, self.address,
self.host_type)
class TunnelKeyLast(model_base.BASEV2):
"""Lastly allocated Tunnel key. The next key allocation will be started
from this value + 1
"""
last_key = sa.Column(sa.Integer, primary_key=True)
def __repr__(self):
return "<TunnelKeyLast(%x)>" % self.last_key
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)
def __repr__(self):
return "<TunnelKey(%s,%x)>" % (self.network_id, self.tunnel_key)