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executable file 68 lines (59 sloc) 2.15 KB
#!/usr/bin/env python
import optparse
import os
import signal
import subprocess
import sys
if __name__ == '__main__':
parser = optparse.OptionParser(usage='''%prog [options]
Lists old Swift processes.
'''.strip())
parser.add_option('-a', '--age', dest='hours', type='int', default=720,
help='look for processes at least HOURS old; '
'default: 720 (30 days)')
(options, args) = parser.parse_args()
listing = []
for line in subprocess.Popen(
['ps', '-eo', 'etime,pid,args', '--no-headers'],
stdout=subprocess.PIPE).communicate()[0].split('\n'):
if not line:
continue
hours = 0
try:
etime, pid, args = line.split(None, 2)
except ValueError:
sys.exit('Could not process ps line %r' % line)
if not args.startswith('/usr/bin/python /usr/bin/swift-') and \
not args.startswith('/usr/bin/python /usr/local/bin/swift-'):
continue
args = args.split('-', 1)[1]
etime = etime.split('-')
if len(etime) == 2:
hours = int(etime[0]) * 24
etime = etime[1]
elif len(etime) == 1:
etime = etime[0]
else:
sys.exit('Could not process etime value from %r' % line)
etime = etime.split(':')
if len(etime) == 3:
hours += int(etime[0])
elif len(etime) != 2:
sys.exit('Could not process etime value from %r' % line)
if hours >= options.hours:
listing.append((str(hours), pid, args))
if not listing:
exit()
hours_len = len('Hours')
pid_len = len('PID')
args_len = len('Command')
for hours, pid, args in listing:
hours_len = max(hours_len, len(hours))
pid_len = max(pid_len, len(pid))
args_len = max(args_len, len(args))
args_len = min(args_len, 78 - hours_len - pid_len)
print ('%%%ds %%%ds %%s' % (hours_len, pid_len)) % \
('Hours', 'PID', 'Command')
for hours, pid, args in listing:
print ('%%%ds %%%ds %%s' % (hours_len, pid_len)) % \
(hours, pid, args[:args_len])
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