installimage.in_screen

#!/bin/bash

#
# starts installimage in a new screen session
# and reboots the system on success
#
# (c) 2007-2016, Hetzner Online GmbH
#



TIMEOUT=20
scriptdir="$(dirname "$0")"
INSTALLIMAGE="$scriptdir/installimage"
export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
export LANG="en_US.UTF-8"
export LC_ALL="en_US.UTF-8"

case $1 in

  start)
    # start installimage script and reboot if successful
    #
    shift
    until false ; do

      $INSTALLIMAGE "$@" ; EXITCODE=$?

      if [ $EXITCODE -eq 0 ] ; then
        echo -e "\n\n\n"
        echo "===>  Installation completed successfully."
        echo "The system will be restarted in $TIMEOUT seconds!"
        echo -n "Press any key to stop the reboot: "
        for ((i=1; i<=TIMEOUT; i++)); do
          echo -n "."
          read -r -n1 -t1 key
          if [ "$key" ] ; then
            echo -e "\n\n"
            echo "Reboot cancelled."
            echo ""
            exec /bin/bash
            exit 0
          fi
        done
        echo -e "\n\n"
        echo "System is now rebooting..."
        reboot
        sleep 60
      else
        echo -e "\n\n\n"
        echo "===>  An error has occurred."
        echo "Launching shell ..."
        echo "After exiting the shell, installimage will be restarted."
        /bin/bash
      fi
    
    done
  ;;

  *)
    # if we were called without the parameter 'start', restart ourself in a new screen
    #
    {
      echo -e "\n\n"
      echo "NOTICE:"
      echo "-------"
      echo "installimage was launched in a screen session."
      echo "To connect to the screen sesson run 'screen -x' ..." 
    } >>/etc/motd
    screen -AS installimage "$0" start "$@"
  ;;

esac

# vim: ai:ts=2:sw=2:et