ctdb/config/ctdb.init

   1 #!/bin/sh
   2
   3 # Start and stop CTDB (Clustered TDB daemon)
   4 #
   5 # chkconfig: - 90 01
   6 #
   7 # description: Starts and stops CTDB
   8 # pidfile: /var/run/ctdb/ctdbd.pid
   9 # config: /etc/sysconfig/ctdb
  10
  11 ### BEGIN INIT INFO
  12 # Provides:            ctdb
  13 # Required-Start:      $local_fs $syslog $network $remote_fs
  14 # Required-Stop:       $local_fs $syslog $network $remote_fs
  15 # Default-Start:       2 3 4 5
  16 # Default-Stop:        0 1 6
  17 # Short-Description:   start and stop ctdb service
  18 # Description:         Start and stop CTDB (Clustered TDB daemon)
  19 ### END INIT INFO
  20
  21 # Source function library.
  22 if [ -f /etc/init.d/functions ] ; then
  23     # Red Hat
  24     . /etc/init.d/functions
  25 elif [ -f /etc/rc.d/init.d/functions ] ; then
  26     # Red Hat
  27     . /etc/rc.d/init.d/functions
  28 elif [ -f /etc/rc.status ] ; then
  29     # SUSE
  30     . /etc/rc.status
  31     rc_reset
  32     LC_ALL=en_US.UTF-8
  33 elif [ -f /lib/lsb/init-functions ] ; then
  34     # Debian
  35     . /lib/lsb/init-functions
  36 fi
  37
  38 # Avoid using root's TMPDIR
  39 unset TMPDIR
  40
  41 [ -n "$CTDB_BASE" ] || export CTDB_BASE="/etc/ctdb"
  42
  43 . "${CTDB_BASE}/functions"
  44 loadconfig "network"
  45 loadconfig "ctdb"
  46
  47 # check networking is up (for redhat)
  48 if [ "$NETWORKING" = "no" ] ; then
  49     exit 0
  50 fi
  51
  52 detect_init_style
  53 export CTDB_INIT_STYLE
  54
  55 ctdbd="${CTDBD:-/usr/sbin/ctdbd}"
  56 ctdbd_wrapper="${CTDBD_WRAPPER:-/usr/sbin/ctdbd_wrapper}"
  57 pidfile="${CTDB_PIDFILE:-/var/run/ctdb/ctdbd.pid}"
  58
  59 ############################################################
  60
  61 start()
  62 {
  63     echo -n "Starting ctdbd service: "
  64
  65     case "$CTDB_INIT_STYLE" in
  66         suse)
  67             startproc \
  68                 "$ctdbd_wrapper" "$pidfile" "start"
  69             rc_status -v
  70             ;;
  71         redhat)
  72             daemon --pidfile "$pidfile" \
  73                 "$ctdbd_wrapper" "$pidfile" "start"
  74             RETVAL=$?
  75             echo
  76             [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
  77             return $RETVAL
  78             ;;
  79         debian)
  80             eval start-stop-daemon --start --quiet --background --exec \
  81                 "$ctdbd_wrapper" "$pidfile" "start"
  82             ;;
  83     esac
  84 }
  85
  86 stop()
  87 {
  88     echo -n "Shutting down ctdbd service: "
  89
  90     case "$CTDB_INIT_STYLE" in
  91         suse)
  92             "$ctdbd_wrapper" "$pidfile" "stop"
  93             rc_status -v
  94             ;;
  95         redhat)
  96             "$ctdbd_wrapper" "$pidfile" "stop"
  97             RETVAL=$?
  98             [ $RETVAL -eq 0 ] && success || failure
  99             echo ""
 100             [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 101             return $RETVAL
 102             ;;
 103         debian)
 104             "$ctdbd_wrapper" "$pidfile" "stop"
 105             log_end_msg $?
 106             ;;
 107     esac
 108 }
 109
 110 restart()
 111 {
 112     stop
 113     start
 114 }
 115
 116 check_status ()
 117 {
 118     # Backward compatibility.  When we arrange to pass --pidfile to
 119     # ctdbd we also create the directory that will contain it.  If
 120     # that directory is missing then we don't use the pidfile to check
 121     # status.  Note that this probably won't work if
 122     # $CTDB_VALGRIND="yes" but this doesn't need full backward
 123     # compatibility because it is a debug option.
 124     if [ -d $(dirname "$pidfile") ] ; then
 125         _pf_opt="-p $pidfile"
 126     else
 127         _pf_opt=""
 128     fi
 129
 130     case "$CTDB_INIT_STYLE" in
 131         suse)
 132             checkproc $_pf_opt "$ctdbd"
 133             rc_status -v
 134             ;;
 135         redhat)
 136             status $_pf_opt -l "ctdb" "$ctdbd"
 137             ;;
 138         debian)
 139             status_of_proc $_pf_opt "$ctdbd" "ctdb"
 140             ;;
 141     esac
 142 }
 143
 144 ############################################################
 145
 146 case "$1" in
 147     start)
 148         start
 149         ;;
 150     stop)
 151         stop
 152         ;;
 153     restart|reload|force-reload)
 154         restart
 155         ;;
 156     status)
 157         check_status
 158         ;;
 159     condrestart|try-restart)
 160         if check_status >/dev/null ; then
 161             restart
 162         fi
 163         ;;
 164     cron)
 165         # used from cron to auto-restart ctdb
 166         check_status >/dev/null 2>&1 || restart
 167         ;;
 168     *)
 169         echo "Usage: $0 {start|stop|restart|reload|force-reload|status|cron|condrestart|try-restart}"
 170         exit 1
 171 esac