code.grnet.gr Git - ganeti-local/blob - doc/examples/ganeti.initd.in

   1 #!/bin/sh
   2 # ganeti node daemon starter script
   3 # based on skeleton from Debian GNU/Linux
   4 ### BEGIN INIT INFO
   5 # Provides:          ganeti
   6 # Required-Start:    $syslog $remote_fs
   7 # Required-Stop:     $syslog $remote_fs
   8 # Default-Start:     2 3 4 5
   9 # Default-Stop:      0 1 6
  10 # Short-Description: Ganeti Cluster Manager
  11 # Description:       Ganeti Cluster Manager
  12 ### END INIT INFO
  13
  14 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
  15 DESC="Ganeti cluster"
  16
  17 DAEMON_UTIL=@PKGLIBDIR@/daemon-util
  18
  19 SCRIPTNAME="@SYSCONFDIR@/init.d/ganeti"
  20
  21 test -f "$DAEMON_UTIL" || exit 0
  22
  23 . /lib/lsb/init-functions
  24
  25 check_exitcode() {
  26     RC=$1
  27
  28     if errmsg=$($DAEMON_UTIL check-exitcode $RC)
  29     then
  30         log_action_end_msg 0 "$errmsg"
  31     else
  32         log_action_end_msg 1 "$errmsg"
  33     fi
  34 }
  35
  36 start_action() {
  37     # called as start_action daemon-name
  38     local daemon="$1"
  39     log_action_begin_msg "$daemon"
  40     $DAEMON_UTIL start "$@"
  41     check_exitcode $?
  42 }
  43
  44 stop_action() {
  45     # called as stop_action daemon-name
  46     local daemon="$1"
  47     log_action_begin_msg "$daemon"
  48     $DAEMON_UTIL stop "$@"
  49     check_exitcode $?
  50 }
  51
  52 maybe_do() {
  53     requested="$1"; shift
  54     action="$1"; shift
  55     target="$1"
  56     if [ -z "$requested" -o "$requested" = "$target" ]; then
  57         $action "$@"
  58     fi
  59 }
  60
  61 start_all() {
  62     if ! $DAEMON_UTIL check-config; then
  63         log_warning_msg "Incomplete configuration, will not run."
  64         exit 0
  65     fi
  66
  67     for i in $($DAEMON_UTIL list-start-daemons); do
  68         maybe_do "$1" start_action $i
  69     done
  70 }
  71
  72 stop_all() {
  73     for i in $($DAEMON_UTIL list-stop-daemons); do
  74         maybe_do "$1" stop_action $i
  75     done
  76 }
  77
  78 if [ -n "$2" ] && ! errmsg=$($DAEMON_UTIL is-daemon-name "$2" 2>&1); then
  79     log_failure_msg "$errmsg"
  80     exit 1
  81 fi
  82
  83 case "$1" in
  84     start)
  85         log_daemon_msg "Starting $DESC" "$2"
  86         start_all "$2"
  87         ;;
  88     stop)
  89         log_daemon_msg "Stopping $DESC" "$2"
  90         stop_all "$2"
  91         ;;
  92     restart|force-reload)
  93         log_daemon_msg "Restarting $DESC" "$2"
  94         stop_all "$2"
  95         start_all "$2"
  96         ;;
  97     *)
  98         log_success_msg "Usage: $SCRIPTNAME {start|stop|force-reload|restart}"
  99         exit 1
 100         ;;
 101 esac
 102
 103 exit 0