Uploaded image for project: 'Core Server'
  1. Core Server
  2. SERVER-18581

The Ubuntu package should start the mongod with group=mongodb

    XMLWordPrintable

    Details

    • Backwards Compatibility:
      Fully Compatible
    • Operating System:
      Linux
    • Backport Completed:
    • Sprint:
      Build 5 06/26/16, Build 6 07/17/15, Build 7 08/10/15, Build 8 08/31/15, Build 15 (06/03/16)

      Description

      When you start the mongod as a service, it starts with user=mongodb and group=nogroup. This can be seen from the file permissions in /proc/pid

      root@genique:~# ls -la /proc/28109
      total 0
      dr-xr-xr-x   9 mongodb nogroup 0 May 20 12:54 ./
      dr-xr-xr-x 386 root    root    0 May  6 17:48 ../
      dr-xr-xr-x   2 mongodb nogroup 0 May 20 14:15 attr/
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 autogroup
      -r--------   1 mongodb nogroup 0 May 20 14:15 auxv
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 cgroup
      --w-------   1 mongodb nogroup 0 May 20 14:15 clear_refs
      -r--r--r--   1 mongodb nogroup 0 May 20 12:54 cmdline
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 comm
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 coredump_filter
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 cpuset
      lrwxrwxrwx   1 mongodb nogroup 0 May 20 13:09 cwd -> /
      -r--------   1 mongodb nogroup 0 May 20 14:13 environ
      lrwxrwxrwx   1 mongodb nogroup 0 May 20 12:54 exe -> /usr/bin/mongod
      dr-x------   2 mongodb nogroup 0 May 20 12:54 fd/
      dr-x------   2 mongodb nogroup 0 May 20 13:09 fdinfo/
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 gid_map
      -r--------   1 mongodb nogroup 0 May 20 14:15 io
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 latency
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 limits
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 loginuid
      -r--r--r--   1 mongodb nogroup 0 May 20 13:09 maps
      dr-x------   2 mongodb nogroup 0 May 20 14:15 map_files/
      -rw-------   1 mongodb nogroup 0 May 20 14:15 mem
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 mountinfo
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 mounts
      -r--------   1 mongodb nogroup 0 May 20 14:15 mountstats
      dr-xr-xr-x   7 mongodb nogroup 0 May 20 14:15 net/
      dr-x--x--x   2 mongodb nogroup 0 May 20 14:15 ns/
      -r--r--r--   1 mongodb nogroup 0 May 20 12:54 numa_maps
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 oom_adj
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 oom_score
      -rw-r--r--   1 mongodb nogroup 0 May 20 12:54 oom_score_adj
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 pagemap
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 personality
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 projid_map
      lrwxrwxrwx   1 mongodb nogroup 0 May 20 13:09 root -> /
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 sched
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 schedstat
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 sessionid
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 smaps
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 stack
      -r--r--r--   1 mongodb nogroup 0 May 20 12:54 stat
      -r--r--r--   1 mongodb nogroup 0 May 20 12:54 statm
      -r--r--r--   1 mongodb nogroup 0 May 20 12:54 status
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 syscall
      dr-xr-xr-x  20 mongodb nogroup 0 May 20 14:15 task/
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 timers
      -rw-r--r--   1 mongodb nogroup 0 May 20 14:15 uid_map
      -r--r--r--   1 mongodb nogroup 0 May 20 14:15 wchan
      

      Can this be changed to also start with group=mongodb? The relevant change in the init.d script is:

      @@ -28,6 +28,7 @@
         CONF=/etc/mongod.conf
         DAEMON=/usr/bin/mongod
         DAEMONUSER=${DAEMONUSER:-mongodb}
      +  DAEMONGROUP=${DAEMONGROUP:-mongodb}
       
         if [ -f /etc/default/mongod ]; then . /etc/default/mongod; fi
       
      @@ -45,6 +46,6 @@
       
         if [ "x$ENABLE_MONGOD" = "xyes" ]
         then
      -    exec start-stop-daemon --start --chuid $DAEMONUSER --exec $NUMACTL $DAEMON $DAEMON_OPTS
      +    exec start-stop-daemon --start --chuid $DAEMONUSER:$DAEMONGROUP --exec $NUMACTL $DAEMON $DAEMON_OPTS
         fi
       end script
      

        Attachments

          Activity

            People

            • Votes:
              0 Vote for this issue
              Watchers:
              7 Start watching this issue

              Dates

              • Created:
                Updated:
                Resolved: