swift/bin/swift-oldies
Monty Taylor 5a785aa5ee Add missing copyright license headers
We're working on adding enforcement that things have appropriate
copyright license headers. In anticipation of that, fix the files that don't
have them.

Change-Id: Ie0a9fd5eece5b6671ff4389b07b69ca29be7d017
2013-08-07 17:50:32 -03:00

78 lines
2.7 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 optparse
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])