services/api/script/restart-dns-server

   1 #!/usr/bin/env bash
   2
   3 # usage:
   4 # "restart-dns-server <path-to-restart.txt>" (restart now if needed)
   5 # or
   6 # "restart-dns-server <path-to-restart.txt> -d" (wait for restart to be needed, restart, repeat)
   7
   8 RESTART_TXT_PATH=$1
   9
  10 if [[ "$RESTART_TXT_PATH" == "" ]]; then
  11   echo
  12   echo "Usage: "
  13   echo "   $0 <path-to-restart.txt>      # restart now if needed"
  14   echo "   $0 <path-to-restart.txt> -d   # wait for restart to be needed, restart, repeat"
  15   echo
  16   exit 1
  17 fi
  18
  19 while :
  20 do
  21   if [ -e $RESTART_TXT_PATH ]; then
  22     RESTART_COMMAND=`cat $RESTART_TXT_PATH`
  23     echo "restart command: $RESTART_COMMAND"
  24     rm -f "$RESTART_TXT_PATH"
  25     echo restarting
  26     $RESTART_COMMAND
  27   fi
  28   if [ "-d" = "$2" ]
  29   then
  30     sleep 2
  31   else
  32     exit 0
  33   fi
  34 done