53 lines
2.0 KiB
Python
53 lines
2.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nicira, Inc.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from sqlalchemy import Column, Enum, ForeignKey, Integer, String
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from quantum.db.models_v2 import model_base
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class NvpNetworkBinding(model_base.BASEV2):
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"""Represents a binding of a virtual network with a transport zone.
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This model class associates a Quantum network with a transport zone;
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optionally a vlan ID might be used if the binding type is 'bridge'
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"""
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__tablename__ = 'nvp_network_bindings'
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network_id = Column(String(36),
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ForeignKey('networks.id', ondelete="CASCADE"),
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primary_key=True)
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# 'flat', 'vlan', stt' or 'gre'
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binding_type = Column(Enum('flat', 'vlan', 'stt', 'gre',
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name='nvp_network_bindings_binding_type'),
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nullable=False)
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tz_uuid = Column(String(36))
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vlan_id = Column(Integer)
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def __init__(self, network_id, binding_type, tz_uuid, vlan_id):
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self.network_id = network_id
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self.binding_type = binding_type
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self.tz_uuid = tz_uuid
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self.vlan_id = vlan_id
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def __repr__(self):
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return "<NetworkBinding(%s,%s,%s,%s)>" % (self.network_id,
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self.binding_type,
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self.tz_uuid,
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self.vlan_id)
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