91 lines
3.3 KiB
Python
Executable File
91 lines
3.3 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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from __future__ import print_function
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import optparse
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import subprocess
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import sys
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if __name__ == '__main__':
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parser = optparse.OptionParser(usage='''%prog [options]
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Lists old Swift processes.
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'''.strip())
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parser.add_option('-a', '--age', dest='hours', type='int', default=720,
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help='look for processes at least HOURS old; '
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'default: 720 (30 days)')
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parser.add_option('-p', '--pids', action='store_true',
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help='only print the pids found; for example, to pipe '
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'to xargs kill')
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(options, args) = parser.parse_args()
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listing = []
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for line in subprocess.Popen(
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['ps', '-eo', 'etime,pid,args', '--no-headers'],
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stdout=subprocess.PIPE).communicate()[0].split(b'\n'):
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if not line:
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continue
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hours = 0
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try:
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etime, pid, args = line.decode('ascii').split(None, 2)
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except ValueError:
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# This covers both decoding and not-enough-values-to-unpack errors
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sys.exit('Could not process ps line %r' % line)
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if not args.startswith((
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'/usr/bin/python /usr/bin/swift-',
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'/usr/bin/python /usr/local/bin/swift-',
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'/bin/python /usr/bin/swift-',
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'/usr/bin/python3 /usr/bin/swift-',
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'/usr/bin/python3 /usr/local/bin/swift-',
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'/bin/python3 /usr/bin/swift-')):
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continue
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args = args.split('-', 1)[1]
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etime = etime.split('-')
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if len(etime) == 2:
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hours = int(etime[0]) * 24
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etime = etime[1]
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elif len(etime) == 1:
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etime = etime[0]
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else:
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sys.exit('Could not process etime value from %r' % line)
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etime = etime.split(':')
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if len(etime) == 3:
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hours += int(etime[0])
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elif len(etime) != 2:
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sys.exit('Could not process etime value from %r' % line)
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if hours >= options.hours:
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listing.append((str(hours), pid, args))
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if not listing:
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sys.exit()
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if options.pids:
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for hours, pid, args in listing:
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print(pid)
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else:
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hours_len = len('Hours')
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pid_len = len('PID')
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args_len = len('Command')
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for hours, pid, args in listing:
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hours_len = max(hours_len, len(hours))
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pid_len = max(pid_len, len(pid))
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args_len = max(args_len, len(args))
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args_len = min(args_len, 78 - hours_len - pid_len)
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print('%*s %*s %s' % (hours_len, 'Hours', pid_len, 'PID', 'Command'))
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for hours, pid, args in listing:
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print('%*s %*s %s' % (hours_len, hours, pid_len,
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pid, args[:args_len]))
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