neutron/neutron/db/models/address_group.py

42 lines
1.8 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 constants as db_const
from neutron_lib.db import model_base
import sqlalchemy as sa
from sqlalchemy import orm
class AddressAssociation(model_base.BASEV2):
"""Represents a neutron address group's address association."""
__tablename__ = "address_associations"
address = sa.Column(sa.String(length=db_const.IP_ADDR_FIELD_SIZE),
nullable=False, primary_key=True)
address_group_id = sa.Column(sa.String(length=db_const.UUID_FIELD_SIZE),
sa.ForeignKey("address_groups.id",
ondelete="CASCADE"),
nullable=False, primary_key=True)
class AddressGroup(model_base.BASEV2, model_base.HasId, model_base.HasProject):
"""Represents a neutron address group."""
__tablename__ = "address_groups"
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
description = sa.Column(sa.String(db_const.LONG_DESCRIPTION_FIELD_SIZE))
addresses = orm.relationship(AddressAssociation,
backref=orm.backref('address_groups',
load_on_pending=True),
lazy='subquery',
cascade='all, delete-orphan')