a7c5ca0806
The previous locking method would leave the lock dir lying around if the process died unexpectedly, preventing others swift-recon-cron process from running sucessfuly and requiring a manual clean. Change-Id: Icb328b2766057a2a4d126f63e2d6dfa5163dd223
77 lines
2.7 KiB
Python
Executable File
77 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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swift-recon-cron.py
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"""
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import os
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import sys
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from eventlet import Timeout
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from swift.common.utils import get_logger, dump_recon_cache, readconf, \
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lock_path
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from swift.obj.diskfile import ASYNCDIR_BASE
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def get_async_count(device_dir, logger):
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async_count = 0
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for i in os.listdir(device_dir):
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device = os.path.join(device_dir, i)
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if not os.path.isdir(device):
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continue
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for asyncdir in os.listdir(device):
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# skip stuff like "accounts", "containers", etc.
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if not (asyncdir == ASYNCDIR_BASE or
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asyncdir.startswith(ASYNCDIR_BASE + '-')):
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continue
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async_pending = os.path.join(device, asyncdir)
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if os.path.isdir(async_pending):
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for entry in os.listdir(async_pending):
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if os.path.isdir(os.path.join(async_pending, entry)):
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async_hdir = os.path.join(async_pending, entry)
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async_count += len(os.listdir(async_hdir))
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return async_count
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def main():
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try:
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conf_path = sys.argv[1]
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except Exception:
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print("Usage: %s CONF_FILE" % sys.argv[0].split('/')[-1])
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print("ex: swift-recon-cron /etc/swift/object-server.conf")
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sys.exit(1)
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conf = readconf(conf_path, 'filter:recon')
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device_dir = conf.get('devices', '/srv/node')
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recon_cache_path = conf.get('recon_cache_path', '/var/cache/swift')
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recon_lock_path = conf.get('recon_lock_path', '/var/lock')
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cache_file = os.path.join(recon_cache_path, "object.recon")
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lock_dir = os.path.join(recon_lock_path, "swift-recon-object-cron")
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conf['log_name'] = conf.get('log_name', 'recon-cron')
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logger = get_logger(conf, log_route='recon-cron')
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try:
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with lock_path(lock_dir):
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asyncs = get_async_count(device_dir, logger)
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dump_recon_cache({'async_pending': asyncs}, cache_file, logger)
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except (Exception, Timeout) as err:
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msg = 'Exception during recon-cron while accessing devices'
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logger.exception(msg)
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print('%s: %s' % (msg, err))
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sys.exit(1)
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if __name__ == '__main__':
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main()
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