107 lines
3.8 KiB
Python
107 lines
3.8 KiB
Python
# Copyright 2011 VMware, 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 Boolean, Column, ForeignKey, Integer, String
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from sqlalchemy.schema import UniqueConstraint
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from neutron.db import models_v2
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from neutron.db.models_v2 import model_base
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from sqlalchemy import orm
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class VlanAllocation(model_base.BASEV2):
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"""Represents allocation state of vlan_id on physical network."""
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__tablename__ = 'ovs_vlan_allocations'
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physical_network = Column(String(64), nullable=False, primary_key=True)
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vlan_id = Column(Integer, nullable=False, primary_key=True,
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autoincrement=False)
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allocated = Column(Boolean, nullable=False)
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def __init__(self, physical_network, vlan_id):
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self.physical_network = physical_network
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self.vlan_id = vlan_id
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self.allocated = False
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def __repr__(self):
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return "<VlanAllocation(%s,%d,%s)>" % (self.physical_network,
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self.vlan_id, self.allocated)
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class TunnelAllocation(model_base.BASEV2):
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"""Represents allocation state of tunnel_id."""
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__tablename__ = 'ovs_tunnel_allocations'
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tunnel_id = Column(Integer, nullable=False, primary_key=True,
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autoincrement=False)
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allocated = Column(Boolean, nullable=False)
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def __init__(self, tunnel_id):
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self.tunnel_id = tunnel_id
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self.allocated = False
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def __repr__(self):
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return "<TunnelAllocation(%d,%s)>" % (self.tunnel_id, self.allocated)
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class NetworkBinding(model_base.BASEV2):
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"""Represents binding of virtual network to physical realization."""
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__tablename__ = 'ovs_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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# 'gre', 'vlan', 'flat', 'local'
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network_type = Column(String(32), nullable=False)
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physical_network = Column(String(64))
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segmentation_id = Column(Integer) # tunnel_id or vlan_id
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network = orm.relationship(
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models_v2.Network,
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backref=orm.backref("binding", lazy='joined',
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uselist=False, cascade='delete'))
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def __init__(self, network_id, network_type, physical_network,
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segmentation_id):
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self.network_id = network_id
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self.network_type = network_type
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self.physical_network = physical_network
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self.segmentation_id = segmentation_id
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def __repr__(self):
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return "<NetworkBinding(%s,%s,%s,%d)>" % (self.network_id,
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self.network_type,
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self.physical_network,
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self.segmentation_id)
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class TunnelEndpoint(model_base.BASEV2):
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"""Represents tunnel endpoint in RPC mode."""
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__tablename__ = 'ovs_tunnel_endpoints'
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__table_args__ = (
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UniqueConstraint('id', name='uniq_ovs_tunnel_endpoints0id'),
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)
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ip_address = Column(String(64), primary_key=True)
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id = Column(Integer, nullable=False)
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def __init__(self, ip_address, id):
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self.ip_address = ip_address
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self.id = id
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def __repr__(self):
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return "<TunnelEndpoint(%s,%s)>" % (self.ip_address, self.id)
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