45 lines
1.5 KiB
Python
45 lines
1.5 KiB
Python
# 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 Boolean, Column, MetaData, Table
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def upgrade(migrate_engine):
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"""Add bootable column to volumes."""
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meta = MetaData()
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meta.bind = migrate_engine
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volumes = Table('volumes', meta, autoload=True)
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bootable = Column('bootable', Boolean)
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volumes.create_column(bootable)
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volumes.update().values(bootable=False).execute()
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glance_metadata = Table('volume_glance_metadata', meta, autoload=True)
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glance_items = list(glance_metadata.select().execute())
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for item in glance_items:
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volumes.update().\
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where(volumes.c.id == item['volume_id']).\
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values(bootable=True).execute()
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def downgrade(migrate_engine):
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"""Remove bootable column to volumes."""
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meta = MetaData()
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meta.bind = migrate_engine
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volumes = Table('volumes', meta, autoload=True)
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bootable = volumes.columns.bootable
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#bootable = Column('bootable', Boolean)
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volumes.drop_column(bootable)
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