ambari git commit: AMBARI-13007: Stopping ambari-server may kill ambari-agent running on the same machine in some cases (Nahappan Somasundaram via jluniya)

[sm...@apache.org]

Repository: ambari
Updated Branches:
  refs/heads/branch-2.1 e7eb7006a -> 100488455


AMBARI-13007: Stopping ambari-server may kill ambari-agent running on the same machine in some cases (Nahappan Somasundaram via jluniya)


Project: http://git-wip-us.apache.org/repos/asf/ambari/repo
Commit: http://git-wip-us.apache.org/repos/asf/ambari/commit/10048845
Tree: http://git-wip-us.apache.org/repos/asf/ambari/tree/10048845
Diff: http://git-wip-us.apache.org/repos/asf/ambari/diff/10048845

Branch: refs/heads/branch-2.1
Commit: 1004884559a3143d4ec34a3e4709a6298010f4fd
Parents: e7eb700
Author: Jayush Luniya <jl...@hortonworks.com>
Authored: Fri Sep 11 13:08:25 2015 -0700
Committer: Sumit Mohanty <sm...@hortonworks.com>
Committed: Thu Nov 26 15:00:55 2015 -0800

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 ambari-server/src/main/python/ambari_server_main.py | 7 +++++++
 1 file changed, 7 insertions(+)
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http://git-wip-us.apache.org/repos/asf/ambari/blob/10048845/ambari-server/src/main/python/ambari_server_main.py
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diff --git a/ambari-server/src/main/python/ambari_server_main.py b/ambari-server/src/main/python/ambari_server_main.py
index fba9948..76e86ee 100644
--- a/ambari-server/src/main/python/ambari_server_main.py
+++ b/ambari-server/src/main/python/ambari_server_main.py
@@ -283,6 +283,13 @@ def server_process_main(options, scmStatus=None):
 
     raise FatalException(-1, AMBARI_SERVER_DIE_MSG.format(exitcode, configDefaults.SERVER_OUT_FILE))
   else:
+    # Change the group id to the process id of the parent so that the launched
+    # process and sub-processes have a group id that is different from the parent.
+    try:
+      os.setpgid(pidJava, 0)
+    except OSError, e:
+      print_warning_msg('setpgid({0}, 0) failed - {1}'.format(pidJava, str(e)))
+      pass
     pidfile = os.path.join(configDefaults.PID_DIR, PID_NAME)
     save_pid(pidJava, pidfile)
     print "Server PID at: "+pidfile