heat/heat/db/sqlalchemy/migrate_repo/versions/043_migrate_template_versio...

67 lines
2.5 KiB
Python

# 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.
import time
from migrate.versioning import util as migrate_util
from oslo_serialization import jsonutils
import sqlalchemy
from sqlalchemy.orm import sessionmaker
from heat.common.i18n import _
def upgrade(migrate_engine):
Session = sessionmaker(bind=migrate_engine)
session = Session()
meta = sqlalchemy.MetaData(bind=migrate_engine)
templ_table = sqlalchemy.Table('raw_template', meta, autoload=True)
raw_templates = templ_table.select().execute()
# NOTE (sdake) 2014-04-24 is the date of the Icehouse release. It is
# possible that folks could continue to make errors in their templates
# right up until the release of Icehouse. For stacks with version dates
# in the future, they remain unlistable. This is to prevent future
# breakage when new versions come out
patch_date = time.strptime('2014-04-24', '%Y-%m-%d')
version_map = [('heat_template_version', '2013-05-23'),
('AWSTemplateFormatVersion', '2010-09-09'),
('HeatTemplateFormatVersion', '2012-12-12')]
for raw_template in raw_templates:
for key, date in version_map:
template = jsonutils.loads(raw_template.template)
if key in template:
version = template[key]
try:
dt = time.strptime(version, '%Y-%m-%d')
except (TypeError, ValueError):
dt = None
if dt is None or dt < patch_date:
template[key] = date
(templ_table.update().
where(templ_table.c.id == raw_template.id).
values(template=jsonutils.dumps(template)).
execute())
session.commit()
session.close()
def downgrade(migrate_engine):
migrate_util.log.warning(_('This version cannot be downgraded because '
'it involves a data migration to the '
'raw_template table.'))