neutron/neutron/db/models/l3_attrs.py

49 lines
2.1 KiB
Python

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