#!/bin/sh
BACKUP_DIR=/root/backups
TIMESTAMP=`date +%Y%m%d`
BACKUP_FILE="$BACKUP_DIR/backup-$TIMESTAMP.tar.bz2"
LOG_FILE="$BACKUP_DIR/backup-$TIMESTAMP.log"
LIST_FILE="$BACKUP_DIR/backup-$TIMESTAMP.files"
BACKUP_SET="/home/tangent /home/httpd/html /var/named /etc /root /pub/docs /pub/signatures /usr/local"

echo
echo -n "Calculating backup size... "
BACKUP_KB=`du -sck $BACKUP_SET |tail -1 |cut -f1`
BACKUP_MB=`echo $BACKUP_KB / 1024 |bc`
echo " $BACKUP_MB MB (before compression)."

echo
echo "Backing up:"
for i in $BACKUP_SET ; do echo "	$i" ; done
echo
echo "Log file is $LOG_FILE"

mkdir -p $BACKUP_DIR
rm -f $LOG_FILE
MESSAGE="Backup to `basename $BACKUP_FILE` started at `date`"
echo $MESSAGE >> $LOG_FILE
echo $MESSAGE

tar -I -c -v --file $BACKUP_FILE --totals $BACKUP_SET >> $LOG_FILE

MESSAGE="Backup finished at `date`"
echo $MESSAGE >> $LOG_FILE
echo $MESSAGE

echo -n "Generating backup file list..."
tar tvIf $BACKUP_FILE > $LIST_FILE
echo "Done!"