49 lines
2.1 KiB
Python
49 lines
2.1 KiB
Python
# 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 neutron_lib.db import model_base
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import sqlalchemy as sa
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from sqlalchemy import orm
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class RouterExtraAttributes(model_base.BASEV2):
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"""Additional attributes for a Virtual Router."""
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# NOTE(armando-migliaccio): this model can be a good place to
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# add extension attributes to a Router model. Each case needs
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# to be individually examined, however 'distributed' and other
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# simple ones fit the pattern well.
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__tablename__ = "router_extra_attributes"
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router_id = sa.Column(sa.String(36),
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sa.ForeignKey('routers.id', ondelete="CASCADE"),
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primary_key=True)
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# Whether the router is a legacy (centralized) or a distributed one
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distributed = sa.Column(sa.Boolean, default=False,
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server_default=sa.sql.false(),
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nullable=False)
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# Whether the router is to be considered a 'service' router
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service_router = sa.Column(sa.Boolean, default=False,
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server_default=sa.sql.false(),
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nullable=False)
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ha = sa.Column(sa.Boolean, default=False,
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server_default=sa.sql.false(),
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nullable=False)
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ha_vr_id = sa.Column(sa.Integer())
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# Availability Zone support
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availability_zone_hints = sa.Column(sa.String(255))
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router = orm.relationship(
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'Router', load_on_pending=True,
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backref=orm.backref("extra_attributes", lazy='joined',
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uselist=False, cascade='delete'))
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revises_on_change = ('router', )
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