murano/muranoapi/db/migrate_repo/versions/003_add_status_table.py

51 lines
1.9 KiB
Python

# Copyright (c) 2013 Mirantis, Inc.
#
# 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 migrate.changeset.constraint import ForeignKeyConstraint
from sqlalchemy.schema import MetaData, Table, Column
from sqlalchemy.types import String, Text, DateTime
meta = MetaData()
def upgrade(migrate_engine):
meta.bind = migrate_engine
meta.reflect()
status = Table('status', meta,
Column('id', String(32), primary_key=True),
Column('created', DateTime, nullable=False),
Column('updated', DateTime, nullable=False),
Column('entity', String(10), nullable=False),
Column('environment_id', String(32), nullable=False),
Column('session_id', String(32), nullable=False),
Column('text', Text(), nullable=False),
)
status.create()
environment = Table('environment', meta, autoload=True)
ForeignKeyConstraint(columns=[status.c.environment_id],
refcolumns=[environment.c.id]).create()
session = Table('session', meta, autoload=True)
ForeignKeyConstraint(columns=[status.c.session_id],
refcolumns=[session.c.id]).create()
def downgrade(migrate_engine):
meta.bind = migrate_engine
meta.reflect()
status = Table('status', meta, autoload=True)
status.drop()