vSphere ESXi backuphelper.sh

backuphelper.sh

#!/bin/sh

#run this script at machine startup with option S
#if the machine is startup at selected day of week, hour and between minute interval then a shutdown is triggered
#the shutdown trigger can be disabled by deleting the shutdown trigger file
RUN_DAYOFWEEK=6
RUN_HOUR=2
RUN_MINUTEMIN=0
RUN_MINUTEMAX=20
BACKUP_CRONTABCMD="30 2 * * 6 /opt/ghettovcb/bin/ghettoVCB.sh -a -g /vmfs/volumes/backups01/backuphelper/ghettoVCB.conf > /vmfs/volumes/backups01/backuphelper/ghettoVCB.log"
SHUTDOWN_TRIGGERFILE=/vmfs/volumes/backups01/backuphelper/shutdowntriggerenabled.txt
SHUTDOWN_CRONTABCMD="0 2 * * 7 /vmfs/volumes/backups01/backuphelper/backuphelper.sh C"
SHUTDOWN_CMD=/vmfs/volumes/backups01/backuphelper/esxidown.sh

if [ "$1" == "S" ]; then
  echo backuphelper.sh Startup mode
  echo Scheduling the next backup
  /bin/kill $(pidof crond)
  /bin/echo "$BACKUP_CRONTABCMD" >> /var/spool/cron/crontabs/root
  /bin/crond
  DAYOFWEEK=$(date +"%u")
  HOUR=$(date +"%H")
  MINUTE=$(date +"%M")
  if [ -f "$SHUTDOWN_TRIGGERFILE" ]; then
    echo Removing previous shutdown trigger file
    rm "$SHUTDOWN_TRIGGERFILE"
  fi
  if [ "$DAYOFWEEK" -eq "$RUN_DAYOFWEEK" ]; then
    if [ "$HOUR" -eq "$RUN_HOUR" ]; then
      if [ "$MINUTE" -ge "$RUN_MINUTEMIN" ]; then
        if [ "$MINUTE" -le "$RUN_MINUTEMAX" ]; then
          echo Scheduling shutdown
          touch "$SHUTDOWN_TRIGGERFILE"
          /bin/kill $(pidof crond)
          /bin/echo "$SHUTDOWN_CRONTABCMD" >> /var/spool/cron/crontabs/root
          /bin/crond
        fi
      fi
    fi
  fi
elif [ "$1" == "C" ]; then
  echo backuphelper.sh Crontab mode
  if [ -f "$SHUTDOWN_TRIGGERFILE" ]; then
	echo Removing previous shutdown trigger file
    rm "$SHUTDOWN_TRIGGERFILE"
    echo Shutting down
    $SHUTDOWN_CMD
  fi
fi