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 . "${CTDB_BASE}/functions"
  44
  45 load_system_config "network"
  46
  47 # check networking is up (for redhat)
  48 if [ "$NETWORKING" = "no" ] ; then
  49     exit 0
  50 fi
  51
  52 load_system_config "ctdb"
  53
  54 detect_init_style
  55 export CTDB_INIT_STYLE
  56
  57 ctdbd="${CTDBD:-/usr/sbin/ctdbd}"
  58 ctdbd_wrapper="${CTDBD_WRAPPER:-/usr/sbin/ctdbd_wrapper}"
  59 pidfile="/var/run/ctdb/ctdbd.pid"
  60
  61 ############################################################
  62
  63 start()
  64 {
  65     printf "Starting ctdbd service: "
  66
  67     case "$CTDB_INIT_STYLE" in
  68         suse)
  69             startproc \
  70                 "$ctdbd_wrapper" "start"
  71             rc_status -v
  72             ;;
  73         redhat)
  74             daemon --pidfile "$pidfile" \
  75                 "$ctdbd_wrapper" "start"
  76             RETVAL=$?
  77             echo
  78             [ $RETVAL -eq 0 ] && touch /var/lock/subsys/ctdb || RETVAL=1
  79             return $RETVAL
  80             ;;
  81         debian)
  82             eval start-stop-daemon --start --quiet --background --exec \
  83                 "$ctdbd_wrapper" "start"
  84             ;;
  85     esac
  86 }
  87
  88 stop()
  89 {
  90     printf "Shutting down ctdbd service: "
  91
  92     case "$CTDB_INIT_STYLE" in
  93         suse)
  94             "$ctdbd_wrapper" "stop"
  95             rc_status -v
  96             ;;
  97         redhat)
  98             "$ctdbd_wrapper" "stop"
  99             RETVAL=$?
 100             # Common idiom in Red Hat init scripts - success() always
 101             # succeeds so this does behave like if-then-else
 102             # shellcheck disable=SC2015
 103             [ $RETVAL -eq 0 ] && success || failure
 104             echo ""
 105             [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ctdb
 106             return $RETVAL
 107             ;;
 108         debian)
 109             "$ctdbd_wrapper" "stop"
 110             log_end_msg $?
 111             ;;
 112     esac
 113 }
 114
 115 restart()
 116 {
 117     stop
 118     start
 119 }
 120
 121 check_status ()
 122 {
 123         case "$CTDB_INIT_STYLE" in
 124         suse)
 125                 checkproc -p "$pidfile" "$ctdbd"
 126                 rc_status -v
 127                 ;;
 128         redhat)
 129                 status -p "$pidfile" -l "ctdb" "$ctdbd"
 130                 ;;
 131         debian)
 132                 status_of_proc -p "$pidfile" "$ctdbd" "ctdb"
 133                 ;;
 134         esac
 135 }
 136
 137 ############################################################
 138
 139 case "$1" in
 140     start)
 141         start
 142         ;;
 143     stop)
 144         stop
 145         ;;
 146     restart|reload|force-reload)
 147         restart
 148         ;;
 149     status)
 150         check_status
 151         ;;
 152     condrestart|try-restart)
 153         if check_status >/dev/null ; then
 154             restart
 155         fi
 156         ;;
 157     cron)
 158         # used from cron to auto-restart ctdb
 159         check_status >/dev/null 2>&1 || restart
 160         ;;
 161     *)
 162         echo "Usage: $0 {start|stop|restart|reload|force-reload|status|cron|condrestart|try-restart}"
 163         exit 1
 164 esac