swift/bin/swift-container-info
Tim Burke 5b68eb5396 swift-(account|container)-info: tolerate LockTimeouts
I'm not really clear on why a sqlite3.OperationalError should cause us to
retry with stale_reads_ok=True, but swift.common.exceptions.LockTimeout
*definitely* should.

Change-Id: I707dec1d11b8db80bc8fbee30662b319bf10d6a5
2018-04-10 17:09:07 -07:00

52 lines
1.7 KiB
Python
Executable File

#!/usr/bin/env 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 sqlite3
import sys
from optparse import OptionParser
from swift.cli.info import print_info, InfoSystemExit
from swift.common.exceptions import LockTimeout
def run_print_info(args, opts):
try:
print_info('container', *args, **opts)
except InfoSystemExit:
sys.exit(1)
except (sqlite3.OperationalError, LockTimeout) as e:
if not opts.get('stale_reads_ok'):
opts['stale_reads_ok'] = True
print('Warning: Possibly Stale Data')
run_print_info(args, opts)
sys.exit(2)
else:
print('Container info failed: %s' % e)
sys.exit(1)
if __name__ == '__main__':
parser = OptionParser('%prog [options] CONTAINER_DB_FILE')
parser.add_option(
'-d', '--swift-dir', default='/etc/swift',
help="Pass location of swift directory")
parser.add_option(
'--drop-prefixes', default=False, action="store_true",
help="When outputting metadata, drop the per-section common prefixes")
options, args = parser.parse_args()
if len(args) != 1:
sys.exit(parser.print_help())
run_print_info(args, vars(options))