92 lines
3.1 KiB
Python
92 lines
3.1 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 migrate.changeset import * # noqa
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from sqlalchemy import * # noqa
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from glance.db.sqlalchemy.migrate_repo.schema import (
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Boolean, DateTime, Integer, String, 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', Integer()),
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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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Column('checksum', String(32)),
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Column('owner', String(255)),
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Column('min_disk', Integer(), default=0),
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Column('min_ram', Integer(), default=0),
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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 get_image_properties_table(meta):
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"""
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No changes to the image properties table from 008...
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"""
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(define_image_properties_table,) = from_migration_import(
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'008_add_image_members_table', ['define_image_properties_table'])
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image_properties = define_image_properties_table(meta)
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return image_properties
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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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images = get_images_table(meta)
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min_disk = Column('min_disk', Integer(), default=0)
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min_disk.create(images)
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min_ram = Column('min_ram', Integer(), default=0)
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min_ram.create(images)
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def downgrade(migrate_engine):
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meta = MetaData()
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meta.bind = migrate_engine
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images = get_images_table(meta)
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images.columns['min_disk'].drop()
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images.columns['min_ram'].drop()
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