Print fully-qualified hostname to help debug issues with build1-a1 slave

build/android/buildbot/bb_run_bot.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import collections
 import copy
 import json
 import os
@@ skipping 255 matching lines @@
     print bb_utils.CommandToString(command)
     sys.stdout.flush()
     if options.testing:
       env['BUILDBOT_TESTING'] = '1'
     return_code = subprocess.call(command, cwd=bb_utils.CHROME_SRC, env=env)
     if return_code != 0:
       return return_code
 
 
 def main(argv):
+  proc = subprocess.Popen(
+      ['/bin/hostname', '-f'], stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  hostname_stdout, hostname_stderr = proc.communicate()
+  if proc.returncode == 0:
+    print 'Running on: ' + hostname_stdout
+  else:
+    print >> sys.stderr, 'WARNING: failed to run hostname'
+    print >> sys.stderr, hostname_stdout
+    print >> sys.stderr, hostname_stderr
+    sys.exit(1)
+
   parser = GetRunBotOptParser()
   options, args = parser.parse_args(argv[1:])
   if args:
     parser.error('Unused args: %s' % args)
 
   bot_config = GetBotConfig(options, GetBotStepMap())
   if not bot_config:
     sys.exit(1)
 
   print 'Using config:', bot_config
 
   commands = GetCommands(options, bot_config)
   for command in commands:
     print 'Will run: ', bb_utils.CommandToString(command)
   print
 
   env = GetEnvironment(bot_config.host_obj, options.testing)
   return RunBotCommands(options, commands, env)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))