neutron/neutron/db/models/flavor.py
Oleg Bondarev 8645553967 Define orm relationships after db classes
This is to fix race conditions on neutron server init.
Please see bug for details.

Conflicts:
    neutron/db/models/flavor.py

Change-Id: I943e6397319b9a4a7fc1a5b3acb721920ddffb02
Partial-Bug: #1824299
(cherry picked from commit 38daf9eaae)
(cherry picked from commit d7945c60b0)
2020-01-31 11:37:41 +00:00

52 lines
2.3 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 Flavor(model_base.BASEV2, model_base.HasId):
name = sa.Column(sa.String(db_const.NAME_FIELD_SIZE))
description = sa.Column(sa.String(db_const.LONG_DESCRIPTION_FIELD_SIZE))
enabled = sa.Column(sa.Boolean, nullable=False, default=True,
server_default=sa.sql.true())
# Make it True for multi-type flavors
service_type = sa.Column(sa.String(36), nullable=True)
class ServiceProfile(model_base.BASEV2, model_base.HasId):
description = sa.Column(sa.String(db_const.LONG_DESCRIPTION_FIELD_SIZE))
driver = sa.Column(sa.String(1024), nullable=False)
enabled = sa.Column(sa.Boolean, nullable=False, default=True,
server_default=sa.sql.true())
metainfo = sa.Column(sa.String(4096))
class FlavorServiceProfileBinding(model_base.BASEV2):
flavor_id = sa.Column(sa.String(36),
sa.ForeignKey("flavors.id",
ondelete="CASCADE"),
nullable=False, primary_key=True)
flavor = orm.relationship(Flavor,
backref=orm.backref(
"service_profiles",
lazy='subquery',
cascade="all, delete-orphan"))
service_profile_id = sa.Column(sa.String(36),
sa.ForeignKey("serviceprofiles.id",
ondelete="CASCADE"),
nullable=False, primary_key=True)
service_profile = orm.relationship(ServiceProfile,
backref="flavors")