compass-core/compass/actions/reinstall.py
xiaodongwang 35d18ba688 refact api code to make it more clean
Change-Id: I4e520bd55c0a4b1df67bc8c68681437e71e310e6
2014-07-23 16:09:15 -07:00

39 lines
1.3 KiB
Python

# Copyright 2014 Huawei Technologies Co. Ltd
#
# 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.
"""Module to reinstall a given cluster
.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
"""
import logging
from compass.actions import util
from compass.db.api import database
def reinstall(cluster_hosts):
"""Reinstall clusters.
:param cluster_hosts: clusters and hosts in each cluster to reinstall.
:type cluster_hosts: dict of int or str to list of int or str
.. note::
The function should be called out of database session.
"""
with util.lock('serialized_action') as lock:
if not lock:
raise Exception(
'failed to acquire lock to reinstall')
logging.debug('reinstall cluster_hosts: %s', cluster_hosts)