75 lines
2.8 KiB
Python
75 lines
2.8 KiB
Python
# Copyright 2011 OpenStack Foundation
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from sqlalchemy import Column, MetaData, Table
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from glance.db.sqlalchemy.migrate_repo.schema import (
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Boolean, DateTime, BigInteger, Integer, String,
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Text, from_migration_import) # noqa
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def get_images_table(meta):
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"""
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Returns the Table object for the images table that
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corresponds to the images table definition of this version.
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"""
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images = Table('images',
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meta,
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Column('id', Integer(), primary_key=True, nullable=False),
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Column('name', String(255)),
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Column('disk_format', String(20)),
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Column('container_format', String(20)),
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Column('size', BigInteger()),
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Column('status', String(30), nullable=False),
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Column('is_public',
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Boolean(),
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nullable=False,
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default=False,
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index=True),
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Column('location', Text()),
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Column('created_at', DateTime(), nullable=False),
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Column('updated_at', DateTime()),
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Column('deleted_at', DateTime()),
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Column('deleted',
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Boolean(),
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nullable=False,
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default=False,
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index=True),
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mysql_engine='InnoDB',
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extend_existing=True)
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return images
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def upgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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# No changes to SQLite stores are necessary, since
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# there is no BIG INTEGER type in SQLite. Unfortunately,
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# running the Python 005_size_big_integer.py migration script
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# on a SQLite datastore results in an error in the sa-migrate
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# code that does the workarounds for SQLite not having
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# ALTER TABLE MODIFY COLUMN ability
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dialect = migrate_engine.url.get_dialect().name
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if not dialect.startswith('sqlite'):
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(get_images_table,) = from_migration_import(
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'003_add_disk_format', ['get_images_table'])
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images = get_images_table(meta)
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images.columns['size'].alter(type=BigInteger())
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