Source code for keystone.common.sql.migrate_repo.versions.088_domain_specific_roles
# 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
#
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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import migrate
import sqlalchemy as sql
_ROLE_NAME_OLD_CONSTRAINT = 'ixu_role_name'
_ROLE_NAME_NEW_CONSTRAINT = 'ixu_role_name_domain_id'
_ROLE_TABLE_NAME = 'role'
_DOMAIN_ID_COLUMN_NAME = 'domain_id'
_NULL_DOMAIN_ID = '<<null>>'
[docs]def upgrade(migrate_engine):
meta = sql.MetaData()
meta.bind = migrate_engine
role_table = sql.Table(_ROLE_TABLE_NAME, meta, autoload=True)
domain_id = sql.Column(_DOMAIN_ID_COLUMN_NAME, sql.String(64),
nullable=False, server_default=_NULL_DOMAIN_ID)
role_table.create_column(domain_id)
migrate.UniqueConstraint(role_table.c.name,
name=_ROLE_NAME_OLD_CONSTRAINT).drop()
migrate.UniqueConstraint(role_table.c.name,
role_table.c.domain_id,
name=_ROLE_NAME_NEW_CONSTRAINT).create()