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#!/usr/bin/python
# Copyright (c) 2010 OpenStack, LLC.
#
# 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 os
import signal
import sys
from ConfigParser import ConfigParser
from swift.container.updater import ContainerUpdater
from swift.common import utils
if __name__ == '__main__':
if len(sys.argv) < 2:
print "Usage: swift-container-updater CONFIG_FILE [once]"
sys.exit()
once = len(sys.argv) > 2 and sys.argv[2] == 'once'
conf = readconf(sys.argv[1], 'container-updater')
utils.drop_privileges(conf.get('user', 'swift'))
try:
os.setsid()
except OSError:
pass
def kill_children(*args):
signal.signal(signal.SIGTERM, signal.SIG_IGN)
os.killpg(0, signal.SIGTERM)
sys.exit()
signal.signal(signal.SIGTERM, kill_children)
updater = ContainerUpdater(conf)
if once:
updater.update_once_single_threaded()
else:
updater.update_forever()
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