ctdb/config/ctdbd_wrapper

   1 #!/bin/sh
   2
   3 # ctdbd wrapper - start or stop CTDB
   4
   5 usage ()
   6 {
   7     echo "usage: ctdbd_wrapper { start | stop }"
   8     exit 1
   9 }
  10
  11 [ $# -eq 1 ] || usage
  12
  13 action="$1"
  14
  15 ############################################################
  16
  17 if [ -z "$CTDB_BASE" ] ; then
  18     export CTDB_BASE="/usr/local/etc/ctdb"
  19 fi
  20
  21 . "${CTDB_BASE}/functions"
  22
  23 load_system_config "ctdb"
  24
  25 ctdbd="${CTDBD:-/usr/local/sbin/ctdbd}"
  26
  27 ############################################################
  28
  29 start()
  30 {
  31     eval "$ctdbd" || return 1
  32
  33     # Wait until ctdbd has started and is ready to respond to clients.
  34     _timeout="${CTDB_STARTUP_TIMEOUT:-10}"
  35     _count=0
  36     while [ "$_count" -lt "$_timeout" ] ; do
  37         if $CTDB runstate first_recovery startup running >/dev/null 2>&1 ; then
  38             return 0
  39         fi
  40
  41         _count=$((_count + 1))
  42         sleep 1
  43     done
  44
  45     echo "Timed out waiting for initialisation - check logs"
  46     # Attempt a shutdown just in case things are still running
  47     $CTDB shutdown >/dev/null 2>&1
  48     drop_all_public_ips >/dev/null 2>&1
  49     return 1
  50 }
  51
  52 stop()
  53 {
  54         $CTDB shutdown
  55
  56         # The above command is important and needs to stand out, so
  57         # post-check exit status
  58         # shellcheck disable=SC2181
  59         if [ $? -ne 0 ] ; then
  60                 echo "Error while shutting down CTDB"
  61                 drop_all_public_ips >/dev/null 2>&1
  62                 return 1
  63         fi
  64
  65         return 0
  66 }
  67
  68 ############################################################
  69
  70 # Allow notifications for start/stop.
  71 if [ -x "$CTDB_BASE/rc.ctdb" ] ; then
  72     "$CTDB_BASE/rc.ctdb" "$action"
  73 fi
  74
  75 case "$action" in
  76     start) start ;;
  77     stop)  stop  ;;
  78     *)
  79         echo "usage: $0 {start|stop}"
  80         exit 1
  81 esac