backup.sh

backup.sh

#!/bin/bash

#set -e

BACKUPDIR="/backups"
BACKUPDEV="/dev/sdb1"
DATE=`date +%F`
CLEANDATE=`date +%F -d "1 month ago"`

#see if its mounted
MOUNTSTATUS=`cat /proc/mounts  | grep $BACKUPDEV | awk {'print $1'}`

if [[ $MOUNTSTATUS == $BACKUPDEV ]]; 
then 
	BACKUP_STATUS=0
else
	mount /dev/sdb1 /backups/
	
	if [[ $MOUNTSTATUS == $BACKUPDEV ]];
	then
		BACKUP_STATUS=0
	fi
fi


# error condition... send an email
#if (( $BACKUP_STATUS == 1 )); then
#	echo "Backup process failed. Possible cause: $BACKUPDEV not mounted" | mail -s "Backup failure" toolboc@gmail.com
#	exit 1
#fi


# no error conditions, proceed with backup
if (( $BACKUP_STATUS == 0 )); then 
	rm -f $BACKUPDIR/backup-$CLEANDATE.iso

	#make the backup 
	mkisofs -R -iso-level 4 -m '/mnt/*' -m '/proc/*' -m '/sys/*' -m '/dev/*' -m '/backups/*' -V $DATE -o $BACKUPDIR/backup-$DATE.iso /
	echo "Backup successfully created on $DATE" | mail -s "Backup created" toolboc@gmail.com
fi