nova/nova/db/sqlalchemy/migrate_repo/versions/092_add_instance_system_met...

74 lines
2.6 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 Openstack, LLC.
# All Rights Reserved.
#
# 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
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from sqlalchemy import Boolean, Column, DateTime, ForeignKey, Integer
from sqlalchemy import MetaData, String, Table
from nova.openstack.common import log as logging
LOG = logging.getLogger(__name__)
def upgrade(migrate_engine):
# Upgrade operations go here. Don't create your own engine;
# bind migrate_engine to your metadata
meta = MetaData()
meta.bind = migrate_engine
# load tables for fk
instances = Table('instances', meta, autoload=True)
instance_system_metadata = Table('instance_system_metadata', meta,
Column('created_at', DateTime(timezone=False)),
Column('updated_at', DateTime(timezone=False)),
Column('deleted_at', DateTime(timezone=False)),
Column('deleted', Boolean(create_constraint=True, name=None)),
Column('id', Integer(), primary_key=True, nullable=False),
Column('instance_uuid',
String(36),
ForeignKey('instances.uuid'),
nullable=False),
Column('key',
String(length=255, convert_unicode=True,
assert_unicode=None,
unicode_error=None, _warn_on_bytestring=False),
nullable=False),
Column('value',
String(length=255, convert_unicode=True,
assert_unicode=None,
unicode_error=None, _warn_on_bytestring=False)),
mysql_engine='InnoDB')
try:
instance_system_metadata.create()
except Exception:
LOG.error(_("Table |%s| not created!"), repr(instance_system_metadata))
raise
def downgrade(migrate_engine):
meta = MetaData()
meta.bind = migrate_engine
# load tables for fk
instances = Table('instances', meta, autoload=True)
instance_system_metadata = Table(
'instance_system_metadata', meta, autoload=True)
instance_system_metadata.drop()