2fbccc0c69
Adds cleanup_files_locks() to nova/utils, which cleans up stale locks left behind after process failures. Adds a call to clean up locks on service startup for nova-api, nova-cert, nova-compute, nova-network, nova-objectstore, and nova-scheduler. Adds tools/clean_file_locks.py, which can be used to manually clean stale locks. Change-Id: I752e0b24d3c7fc5f1dc290da355cbd7f430789b8
64 lines
1.6 KiB
Python
Executable File
64 lines
1.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# Copyright 2012 La Honda Research Center, 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.
|
|
|
|
"""clean_file_locks.py - Cleans stale interprocess locks
|
|
|
|
This rountine can be used to find and delete stale lock files from
|
|
nova's interprocess synchroization. It can be used safely while services
|
|
are running.
|
|
|
|
"""
|
|
|
|
import logging
|
|
import optparse
|
|
|
|
from nova import flags
|
|
from nova import utils
|
|
from nova import log
|
|
|
|
|
|
LOG = log.getLogger('nova.utils')
|
|
FLAGS = flags.FLAGS
|
|
|
|
|
|
def parse_options():
|
|
"""process command line options."""
|
|
|
|
parser = optparse.OptionParser('usage: %prog [options]')
|
|
parser.add_option('--verbose', action='store_true',
|
|
help='List lock files found and deleted')
|
|
|
|
options, args = parser.parse_args()
|
|
|
|
return options, args
|
|
|
|
|
|
def main():
|
|
"""Main loop."""
|
|
options, args = parse_options()
|
|
verbose = options.verbose
|
|
|
|
if verbose:
|
|
LOG.logger.setLevel(logging.DEBUG)
|
|
else:
|
|
LOG.logger.setLevel(logging.INFO)
|
|
LOG.info('Cleaning stale locks from %s' % FLAGS.lock_path)
|
|
utils.cleanup_file_locks()
|
|
LOG.info('Finished')
|
|
|
|
if __name__ == '__main__':
|
|
main()
|