#!/bin/bash

# Ubuntu 20.04
# Xenixa autoStart file V1.0
# @Servarica.com - 2021


#
#
#####################################################################################################
#Start Main Program ..
#####################################################################################################
#
#
DATE=$(date -u +"%d-%m-%Y_%H-%M")
LOG_FILE="/opt/XenicaStart_""$DATE"".log"	  

# Prepare Disks if needed
if [ -f "/opt/diskexpanded.log" ]; then
  partprobe /dev/xvda
  resize2fs /dev/xvda3
fi



######################################################################
#run Boot Commands
i=0
xenica_list=($(xenstore-list vm-data))
for item in "${xenica_list[@]}"; do
  if [[ ${item} == *"xenica_script"* ]]; then
	# save the script to a file:
	xenica_script=""
    xenica_script=$(xenstore-read vm-data/${item})
    if [[ -n "$xenica_script" ]]; then
	
	if [[ "$i" -eq "0" ]]; then
	# Log output to file and output on screen at the same time.
	  touch $LOG_FILE
	  exec > >(tee -ai $LOG_FILE) 2>&1
	  date
	fi
     
     echo;echo;echo
     date -u +"Time: %H:%M:%S"	  
      echo "Start Executing BootCommand: $item :"
	  echo "----------------------------------------------"
	  
      cd /opt/ || exit
	  filename="${item}.sh"
	  # create file named as 'xenica_script_*.sh':
      touch "$filename" 
	  # save content to it:
      echo "$xenica_script" >"$filename"
      # prepare file:
      chmod +x "$filename"
	  
	  # Now empty xenstore record before Run (to avoid infinit loop of reboot)
      xenstore-write vm-data/${item} ""
      xenstore-rm vm-data/${item}
	  
	  # run it :
      ./"$filename"
	  
      # delete the file
      rm -f "$filename"
	  echo "=============================================="
    fi
  fi
  i=$((i+1))
done

echo;echo

#######################################################################
# ReBoot if needed
if [[ -f "/opt/need_to_reboot.log" ]]; then
  echo "ReBooting now ..."
  rm /opt/need_to_reboot.log
  reboot
fi