glance/glance/db/sqlalchemy/migrate_repo/versions/030_add_tasks_table.py

65 lines
2.3 KiB
Python

# Copyright 2013 OpenStack Foundation
# All Rights Reserved.
# Copyright 2013 IBM Corp.
#
# 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 sqlalchemy.schema import (Column, MetaData, Table, Index)
from glance.db.sqlalchemy.migrate_repo.schema import (
Boolean, DateTime, String, Text, create_tables, drop_tables) # noqa
def define_tasks_table(meta):
tasks = Table('tasks',
meta,
Column('id', String(36), primary_key=True, nullable=False),
Column('type', String(30), nullable=False),
Column('status', String(30), nullable=False),
Column('owner', String(255), nullable=False),
Column('input', Text()), # json blob
Column('result', Text()), # json blob
Column('message', Text()),
Column('expires_at', DateTime(), nullable=True),
Column('created_at', DateTime(), nullable=False),
Column('updated_at', DateTime()),
Column('deleted_at', DateTime()),
Column('deleted',
Boolean(),
nullable=False,
default=False),
mysql_engine='InnoDB',
extend_existing=True)
Index('ix_tasks_type', tasks.c.type)
Index('ix_tasks_status', tasks.c.status)
Index('ix_tasks_owner', tasks.c.owner)
Index('ix_tasks_deleted', tasks.c.deleted)
Index('ix_tasks_updated_at', tasks.c.updated_at)
return tasks
def upgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
tables = [define_tasks_table(meta)]
create_tables(tables)
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
tables = [define_tasks_table(meta)]
drop_tables(tables)