checks.d/10-print-message

   1 #!/bin/sh
   2 #
   3 # print a warning message before rebooting/shutting down etc a machine.
   4 #
   5 # Copyright <C2><A9> Andrew Ruthven <andrew@etc.gen.nz>
   6 # Released under the terms of the Artistic Licence 2.0
   7 #
   8 # Cat out either /etc/molly-guard.$CMD.message
   9 #             or /etc/molly-guard.message
  10 # If present.
  11 CMD=$1; shift
  12
  13 FILE=
  14 BANNER=
  15
  16 if [ -f /etc/molly-guard.$CMD.message ]; then
  17   echo "$(hostname -s) has a $CMD warning message:"
  18   FILE=/etc/molly-guard.$CMD.message
  19 elif [ -f /etc/molly-guard.message ]; then
  20   FILE=/etc/molly-guard.message
  21   echo "$(hostname -s) has a warning message:"
  22 fi
  23
  24 if [ "x$FILE" != "x" ]; then
  25   echo $BANNER
  26   cat $FILE
  27   echo ""
  28 fi