136 lines
5.2 KiB
Python
136 lines
5.2 KiB
Python
# Copyright 2013 VMware, Inc.
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#
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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, Enum, ForeignKey, Integer, String
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from sqlalchemy import orm
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from neutron.db import l3_db
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from neutron.db.models_v2 import model_base
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class TzNetworkBinding(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 Neutron 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__ = 'tz_network_bindings'
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# TODO(arosen) - it might be worth while refactoring the how this data
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# is stored later so every column does not need to be a primary key.
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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', 'l3_ext',
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name='tz_network_bindings_binding_type'),
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nullable=False, primary_key=True)
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phy_uuid = Column(String(36), primary_key=True, nullable=True)
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vlan_id = Column(Integer, primary_key=True, nullable=True,
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autoincrement=False)
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def __init__(self, network_id, binding_type, phy_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.phy_uuid = phy_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.phy_uuid,
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self.vlan_id)
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class NeutronNsxNetworkMapping(model_base.BASEV2):
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"""Maps neutron network identifiers to NSX identifiers.
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Because of chained logical switches more than one mapping might exist
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for a single Neutron network.
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"""
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__tablename__ = 'neutron_nsx_network_mappings'
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neutron_id = Column(String(36),
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ForeignKey('networks.id', ondelete='CASCADE'),
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primary_key=True)
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nsx_id = Column(String(36), primary_key=True)
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class NeutronNsxSecurityGroupMapping(model_base.BASEV2):
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"""Backend mappings for Neutron Security Group identifiers.
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This class maps a neutron security group identifier to the corresponding
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NSX security profile identifier.
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"""
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__tablename__ = 'neutron_nsx_security_group_mappings'
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neutron_id = Column(String(36),
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ForeignKey('securitygroups.id', ondelete="CASCADE"),
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primary_key=True)
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nsx_id = Column(String(36), primary_key=True)
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class NeutronNsxPortMapping(model_base.BASEV2):
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"""Represents the mapping between neutron and nsx port uuids."""
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__tablename__ = 'neutron_nsx_port_mappings'
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neutron_id = Column(String(36),
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ForeignKey('ports.id', ondelete="CASCADE"),
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primary_key=True)
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nsx_switch_id = Column(String(36))
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nsx_port_id = Column(String(36))
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def __init__(self, neutron_id, nsx_switch_id, nsx_port_id):
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self.neutron_id = neutron_id
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self.nsx_switch_id = nsx_switch_id
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self.nsx_port_id = nsx_port_id
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class NeutronNsxRouterMapping(model_base.BASEV2):
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"""Maps neutron router identifiers to NSX identifiers."""
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__tablename__ = 'neutron_nsx_router_mappings'
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neutron_id = Column(String(36),
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ForeignKey('routers.id', ondelete='CASCADE'),
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primary_key=True)
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nsx_id = Column(String(36))
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class MultiProviderNetworks(model_base.BASEV2):
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"""Networks provisioned through multiprovider extension."""
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__tablename__ = 'multi_provider_networks'
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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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def __init__(self, network_id):
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self.network_id = network_id
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class NSXRouterExtAttributes(model_base.BASEV2):
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"""Router attributes managed by NSX plugin extensions."""
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router_id = Column(String(36),
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ForeignKey('routers.id', ondelete="CASCADE"),
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primary_key=True)
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distributed = Column(Boolean, default=False, nullable=False)
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service_router = Column(Boolean, default=False, nullable=False)
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# Add a relationship to the Router model in order to instruct
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# SQLAlchemy to eagerly load this association
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router = orm.relationship(
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l3_db.Router,
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backref=orm.backref("nsx_attributes", lazy='joined',
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uselist=False, cascade='delete'))
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