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 $remote_fs
   8 # Default-Start:     2 3 4 5
   9 # Default-Stop:      0 1 6
  10 # Short-Description: Ganeti Cluster Manager
  11 # Description:       Ganeti Cluster Manager
  12 ### END INIT INFO
  13
  14 PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
  15 DESC="Ganeti cluster"
  16
  17 NODED="ganeti-noded"
  18 MASTERD="ganeti-masterd"
  19 CONFD="ganeti-confd"
  20 RAPI="ganeti-rapi"
  21
  22 DAEMON_UTIL=@PKGLIBDIR@/daemon-util
  23
  24 SCRIPTNAME="@SYSCONFDIR@/init.d/ganeti"
  25
  26 test -f "@PREFIX@/sbin/$NODED" || exit 0
  27
  28 . /lib/lsb/init-functions
  29
  30 check_exitcode() {
  31     RC=$1
  32     case $RC in
  33         0)
  34             log_action_end_msg 0
  35             ;;
  36         11)
  37             log_action_end_msg 0 "not master"
  38             ;;
  39         *)
  40             log_action_end_msg 1 "exit code $RC"
  41             ;;
  42     esac
  43 }
  44
  45 start_action() {
  46     # called as start_action daemon-name
  47     local daemon="$1"
  48     log_action_begin_msg "$daemon"
  49     $DAEMON_UTIL start "$@"
  50     check_exitcode $?
  51 }
  52
  53 stop_action() {
  54     # called as stop_action daemon-name
  55     local daemon="$1"
  56     log_action_begin_msg "$daemon"
  57     $DAEMON_UTIL stop "$@"
  58     check_exitcode $?
  59 }
  60
  61 maybe_do() {
  62     requested="$1"; shift
  63     action="$1"; shift
  64     target="$1"
  65     if [ -z "$requested" -o "$requested" = "$target" ]; then
  66         $action "$@"
  67     fi
  68 }
  69
  70 start_all() {
  71     if ! $DAEMON_UTIL check-config; then
  72         log_warning_msg "Incomplete configuration, will not run."
  73         exit 0
  74     fi
  75
  76     for i in $NODED $MASTERD $CONFD $RAPI; do \
  77         maybe_do "$1" start_action $i
  78     done
  79 }
  80
  81 stop_all() {
  82     for i in $RAPI $CONFD $MASTERD $NODED; do \
  83         maybe_do "$1" stop_action $i
  84     done
  85 }
  86
  87 if [ -n "$2" -a \
  88     "$2" != "$NODED" -a \
  89     "$2" != "$CONFD" -a \
  90     "$2" != "$MASTERD" -a \
  91     "$2" != "$RAPI" ]; then
  92     log_failure_msg "Unknown daemon '$2' requested"
  93     exit 1
  94 fi
  95
  96 case "$1" in
  97     start)
  98         log_daemon_msg "Starting $DESC" "$2"
  99         start_all "$2"
 100         ;;
 101     stop)
 102         log_daemon_msg "Stopping $DESC" "$2"
 103         stop_all "$2"
 104         ;;
 105     restart|force-reload)
 106         log_daemon_msg "Restarting $DESC" "$2"
 107         stop_all "$2"
 108         start_all "$2"
 109         ;;
 110     *)
 111         log_success_msg "Usage: $SCRIPTNAME {start|stop|force-reload|restart}"
 112         exit 1
 113         ;;
 114 esac
 115
 116 exit 0