113 lines
3.4 KiB
Python
Executable File
113 lines
3.4 KiB
Python
Executable File
#!/usr/bin/python3
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#
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# Collect information about processes which are still running after sending
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# SIGTERM to them (which happens during computer shutdown in
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# /etc/init.d/sendsigs in Debian/Ubuntu)
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#
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# Copyright (c) 2010 Canonical Ltd.
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# Author: Martin Pitt <martin.pitt@ubuntu.com>
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#
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# This program is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License as published by the
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# Free Software Foundation; either version 2 of the License, or (at your
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# option) any later version. See http://www.gnu.org/copyleft/gpl.html for
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# the full text of the license.
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import os, os.path, sys, errno, optparse
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import apport, apport.fileutils, apport.hookutils
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def parse_argv():
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'''Parse command line and return (options, args).'''
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optparser = optparse.OptionParser('%prog [options]')
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optparser.add_option('-o', '--omit', metavar='PID', action='append',
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default=[], dest='blacklist',
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help='Ignore a particular process ID (can be specified multiple times)')
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(opts, args) = optparser.parse_args()
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if len(args) != 0:
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optparser.error('This program does not take any non-option arguments. Please see --help.')
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sys.exit(1)
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return (opts, args)
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def orphaned_processes(blacklist):
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'''Yield an iterator of running process IDs.
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This excludes PIDs which do not have a valid /proc/pid/exe symlink (e. g.
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kernel processes), the PID of our own process, and everything that is
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contained in the blacklist argument.
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'''
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my_pid = os.getpid()
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my_sid = os.getsid(0)
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for d in os.listdir('/proc'):
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try:
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pid = int(d)
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except ValueError:
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continue
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if pid == 1 or pid == my_pid or d in blacklist:
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apport.warning('ignoring: %s', d)
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continue
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try:
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sid = os.getsid(pid)
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except OSError:
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# os.getsid() can fail with "No such process" if the process died
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# in the meantime
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continue
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if sid == my_sid:
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apport.warning('ignoring same sid: %s', d)
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continue
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try:
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os.readlink(os.path.join('/proc', d, 'exe'))
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except OSError as e:
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if e.errno == errno.ENOENT:
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# kernel thread or similar, silently ignore
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continue
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apport.warning('Could not read information about pid %s: %s', d, str(e))
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continue
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yield d
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def do_report(pid, blacklist):
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'''Create a report for a particular PID.'''
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r = apport.Report('Bug')
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try:
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r.add_proc_info(pid)
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except (ValueError, AssertionError):
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# happens if ExecutablePath doesn't exist (any more?), ignore
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return
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r['Tags'] = 'shutdown-hang'
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r['Title'] = 'does not terminate at computer shutdown'
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if 'ExecutablePath' in r:
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r['Title'] = os.path.basename(r['ExecutablePath']) + ' ' + r['Title']
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r['Processes'] = apport.hookutils.command_output(['ps', 'aux'])
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r['InitctlList'] = apport.hookutils.command_output(['initctl', 'list'])
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if blacklist:
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r['OmitPids'] = ' '.join(blacklist)
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try:
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with apport.fileutils.make_report_file(r) as f:
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r.write(f)
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except (IOError, OSError) as e:
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apport.fatal('Cannot create report: ' + str(e))
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#
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# main
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#
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(opts, args) = parse_argv()
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for p in orphaned_processes(opts.blacklist):
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do_report(p, opts.blacklist)
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