Source Code for Module buildbot.scripts.stop

 1  # This file is part of Buildbot.  Buildbot is free software: you can 
 2  # redistribute it and/or modify it under the terms of the GNU General Public 
 3  # License as published by the Free Software Foundation, version 2. 
 4  # 
 5  # This program is distributed in the hope that it will be useful, but WITHOUT 
 6  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 
 7  # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more 
 8  # details. 
 9  # 
10  # You should have received a copy of the GNU General Public License along with 
11  # this program; if not, write to the Free Software Foundation, Inc., 51 
12  # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 
13  # 
14  # Copyright Buildbot Team Members 
15   
16  from __future__ import with_statement 
17   
18  import time 
19  import os 
20  import errno 
21  import signal 
22  from buildbot.scripts import base 
23   
24 -def stop(config, signame="TERM", wait=False): 
25      basedir = config['basedir'] 
26      quiet = config['quiet'] 
27   
28      if not base.isBuildmasterDir(config['basedir']): 
29          print "not a buildmaster directory" 
30          return 1 
31   
32      pidfile = os.path.join(basedir, 'twistd.pid') 
33      try: 
34          with open(pidfile, "rt") as f: 
35              pid = int(f.read().strip()) 
36      except: 
37          if not config['quiet']: 
38              print "buildmaster not running" 
39          return 0 
40   
41      signum = getattr(signal, "SIG"+signame) 
42      try: 
43          os.kill(pid, signum) 
44      except OSError, e: 
45          if e.errno != errno.ESRCH: 
46              raise 
47          else: 
48              if not config['quiet']: 
49                  print "buildmaster not running" 
50              try: 
51                  os.unlink(pidfile) 
52              except: 
53                  pass 
54              return 0 
55   
56      if not wait: 
57          if not quiet: 
58              print "sent SIG%s to process" % signame 
59          return 0 
60   
61      time.sleep(0.1) 
62      for _ in range(10): 
63          # poll once per second until twistd.pid goes away, up to 10 seconds 
64          try: 
65              os.kill(pid, 0) 
66          except OSError: 
67              if not quiet: 
68                  print "buildbot process %d is dead" % pid 
69              return 0 
70          time.sleep(1) 
71      if not quiet: 
72          print "never saw process go away" 
73      return 1 
74