102 lines
3.2 KiB
Python
102 lines
3.2 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
# Copyright 2011 Nicira Networks, 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: Somik Behera, Nicira Networks, Inc.
|
|
# @author: Brad Hall, Nicira Networks, Inc.
|
|
# @author: Dan Wendlandt, Nicira Networks, Inc.
|
|
|
|
import uuid
|
|
|
|
from sqlalchemy import Column, String, ForeignKey
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import relation, object_mapper
|
|
|
|
BASE = declarative_base()
|
|
|
|
|
|
class QuantumBase(object):
|
|
"""Base class for Quantum Models."""
|
|
|
|
def __setitem__(self, key, value):
|
|
setattr(self, key, value)
|
|
|
|
def __getitem__(self, key):
|
|
return getattr(self, key)
|
|
|
|
def get(self, key, default=None):
|
|
return getattr(self, key, default)
|
|
|
|
def __iter__(self):
|
|
self._i = iter(object_mapper(self).columns)
|
|
return self
|
|
|
|
def next(self):
|
|
n = self._i.next().name
|
|
return n, getattr(self, n)
|
|
|
|
def update(self, values):
|
|
"""Make the model object behave like a dict"""
|
|
for k, v in values.iteritems():
|
|
setattr(self, k, v)
|
|
|
|
def iteritems(self):
|
|
"""Make the model object behave like a dict.
|
|
Includes attributes from joins."""
|
|
local = dict(self)
|
|
joined = dict([(k, v) for k, v in self.__dict__.iteritems()
|
|
if not k[0] == '_'])
|
|
local.update(joined)
|
|
return local.iteritems()
|
|
|
|
|
|
class Port(BASE, QuantumBase):
|
|
"""Represents a port on a quantum network"""
|
|
__tablename__ = 'ports'
|
|
|
|
uuid = Column(String(255), primary_key=True)
|
|
network_id = Column(String(255), ForeignKey("networks.uuid"),
|
|
nullable=False)
|
|
interface_id = Column(String(255))
|
|
# Port state - Hardcoding string value at the moment
|
|
state = Column(String(8))
|
|
|
|
def __init__(self, network_id):
|
|
self.uuid = str(uuid.uuid4())
|
|
self.network_id = network_id
|
|
self.state = "DOWN"
|
|
|
|
def __repr__(self):
|
|
return "<Port(%s,%s,%s,%s)>" % (self.uuid, self.network_id,
|
|
self.state, self.interface_id)
|
|
|
|
|
|
class Network(BASE, QuantumBase):
|
|
"""Represents a quantum network"""
|
|
__tablename__ = 'networks'
|
|
|
|
uuid = Column(String(255), primary_key=True)
|
|
tenant_id = Column(String(255), nullable=False)
|
|
name = Column(String(255))
|
|
ports = relation(Port, order_by=Port.uuid, backref="network")
|
|
|
|
def __init__(self, tenant_id, name):
|
|
self.uuid = str(uuid.uuid4())
|
|
self.tenant_id = tenant_id
|
|
self.name = name
|
|
|
|
def __repr__(self):
|
|
return "<Network(%s,%s,%s)>" % \
|
|
(self.uuid, self.name, self.tenant_id)
|