61 lines
2.2 KiB
Python
61 lines
2.2 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 migrate import ForeignKeyConstraint
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from sqlalchemy import Column
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from sqlalchemy import DateTime
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from sqlalchemy import Index
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from sqlalchemy import Integer
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from sqlalchemy import MetaData
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from sqlalchemy import String
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from sqlalchemy import Table
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from sqlalchemy import Text
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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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columns = [
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(('created_at', DateTime), {}),
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(('updated_at', DateTime), {}),
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(('deleted_at', DateTime), {}),
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(('deleted', Integer), {}),
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(('id', Integer), dict(primary_key=True, nullable=False)),
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(('instance_uuid', String(length=36)), dict(nullable=False)),
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(('numa_topology', Text), dict(nullable=True)),
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]
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for prefix in ('', 'shadow_'):
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instances = Table(prefix + 'instances', meta, autoload=True)
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basename = prefix + 'instance_extra'
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if migrate_engine.has_table(basename):
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continue
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_columns = tuple([Column(*args, **kwargs)
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for args, kwargs in columns])
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table = Table(basename, meta, *_columns, mysql_engine='InnoDB',
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mysql_charset='utf8')
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table.create()
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# Index
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instance_uuid_index = Index(basename + '_idx',
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table.c.instance_uuid)
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instance_uuid_index.create(migrate_engine)
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# Foreign key
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if not prefix:
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fkey_columns = [table.c.instance_uuid]
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fkey_refcolumns = [instances.c.uuid]
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instance_fkey = ForeignKeyConstraint(
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columns=fkey_columns, refcolumns=fkey_refcolumns)
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instance_fkey.create()
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