RSYNC AUOBACKUP TO USB DEVICE

rsync-usb.sh

#!/bin/bash
####### RSYNC AUOBACKUP TO USB DEVICE V0.5 ##########
####### Developed by Carlo Pietrobattista ###########
### CONFIG VARS #####################################
LOCK_FILE="/tmp/rsync-usb.pid"					# the lock file name
MOUNT_DEV="/dev/sdh1"						# mount device
MOUNT_PATH="/mnt/autobackup-usb"				# mount point
BACKUP_DIR="/home/*"						# backup directory
RSYNC_LOG_FILE="/var/log/rsync/usb_backup.log"	                # rsync log file
#####################################################
#####################################################

echo "Rsync usb backup task started"
logger -t rsync[usb-backup][$$] "Rsync usb backup task started" -p daemon.notice
sleep 1

### CHECK IF THE SCRIPT IS ALREADY RUNNING  ##################

if [[ -f $LOCK_FILE ]] ; 
	then 	
		echo "The script is already running, previous backup might be still executing, will exit!"
		logger -t rsync[usb-backup][$$] "The script is already running, previous backup might be still executing, will exit!" -p daemon.notice
		exit 0
fi
touch $LOCK_FILE

### BACKUP FUNCTION ##########################################

function rsync-backup 
{
	echo "Found device $MOUNT_DEV on mount point $MOUNT_PATH, starting to backup data!"
        logger -t rsync[usb-backup][$$] "Found device $MOUNT_DEV on mount point $MOUNT_PATH, starting to backup data!" -p daemon.notice
	rsync -razdv $BACKUP_DIR $MOUNT_PATH 2>&1 >> $RSYNC_LOG_FILE
        echo "Backup job is finished, unmounting $MOUNT_DEV"
        logger -t rsync[usb-backup][$$] "Backup job is finished, unmounting $MOUNT_DEV and exiting" -p daemon.notice
        umount $MOUNT_DEV
        rm -f $LOCK_FILE
        exit 0
}

### THE ACTUAL SCRIPT ########################################

if df |grep -q $MOUNT_PATH
    	then
		rsync-backup
	else
  	        echo "$MOUNT_DEV is not mounted, trying to mount on $MOUNT_PATH!"
		logger -t rsync[usb-backup][$$] "$MOUNT_DEV is not mounted, trying to mount on $MOUNT_PATH!" -p daemon.notice
		mount $MOUNT_DEV $MOUNT_PATH
		sleep 30
		if df |grep -q $MOUNT_PATH
			then
    				#do the backup
                		rsync-backup
			else
				echo "Something went wrong, could not mount hdd. Exiting!"
				logger -t rsync[usb-backup][$$]"Something went wrong, could not mount hdd, exiting!" -p daemon.err
				exit -1		
        	fi
fi