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# Copyright 2018 Red Hat Inc.
#
# 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 oslo_config import cfg
from oslo_upgradecheck import upgradecheck
from sqlalchemy import MetaData, Table, select, func
from designate.i18n import _
from designate.sqlalchemy import session
# This import is not used, but is needed to register the storage:sqlalchemy
# group.
import designate.storage.impl_sqlalchemy # noqa
from designate import utils
class Checks(upgradecheck.UpgradeCommands):
def _duplicate_service_status(self):
engine = session.get_engine('storage:sqlalchemy')
metadata = MetaData(bind=engine)
status = Table('service_statuses', metadata, autoload=True)
service_select = (select([func.count()])
.select_from(status)
.group_by('service_name', 'hostname')
)
service_counts = engine.execute(service_select).fetchall()
duplicated_services = [i for i in service_counts if i[0] > 1]
if duplicated_services:
return upgradecheck.Result(upgradecheck.Code.FAILURE,
_('Duplicated services found in '
'service_statuses table.'))
return upgradecheck.Result(upgradecheck.Code.SUCCESS)
_upgrade_checks = ((_('Duplicate service status'),
_duplicate_service_status),
)
def main():
config_files = utils.find_config('designate.conf')
checker = Checks()
return upgradecheck.main(
conf=cfg.CONF,
project='designate',
upgrade_command=checker,
default_config_files=config_files,
)
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