#!/bin/bash

echo "Backup Script by dodger!"


# This var contains the destination dir where all will be stored!
#       be sure to has full access to this dir!
DESTINATION="/home/backup/files/"

# Escluded files
#EXCLUDEFILES=".[Bb][aA][kK] [cC]ache tmp"
EXCLUDEFILES=".[Bb][aA][kK] tmp"
EXCLUDEFILE="/tmp/excludefile.tmp"

# date SHOT!
MYDATE=`date +%Y%m%d`

SERVERNAME=`uname -a | awk '{ print $2 }'`
BACKUPFILE=$DESTINATION"/"$SERVERNAME"_"$MYDATE".tar.gz"
LOGFILE=$DESTINATION"/"$SERVERNAME"_"$MYDATE".log"
EXCLUDED=$DESTINATION"/"$SERVERNAME"_"$MYDATE".excluded"

# this var contains all the desired backed-up dirs all in 1 line separated by spaces
#       example: "/etc /home /my/preferred/dir"
BACKUPDIRS="$(dirname $0)/$(basename $0 .sh).dirs"


# chown and chmod permission for files
CHOWN="root:admins"
CHMOD="440"

rm -f $EXCLUDEFILE 2>> $LOGFILE
for i in $(cat $BACKUPDIRS)
do
        echo $i
        for j in $EXCLUDEFILES
        do
                find $i -name "*$j*" >> $EXCLUDEFILE
        done
done

echo "Backing up your selected dirs ($BACKUPDIRS), this will take a while"
echo "file will be: $BACKUPFILE"
echo "log will be: $LOGFILE"

echo "Taring"
for i in $(cat $BACKUPDIRS)
do
        if [[ "$AUXDIR" ]]
        then
                AUXDIR="$AUXDIR $i"
        else
                AUXDIR="$i"
        fi
done
echo $AUXDIR
nice --adjustment=19 tar czfv "$BACKUPFILE" --exclude-from=$EXCLUDEFILE $AUXDIR > "$LOGFILE" 2>> $EXCLUDED

cat $EXCLUDEFILE >> $EXCLUDED
rm -f $EXCLUDEFILE 2>> $LOGFILE

find $DESTINATION -type f -exec chmod $CHMOD {} \;
find $DESTINATION -type f -exec chown $CHOWN {} \;

echo "Ok, all done, you can read the log file in:"
echo "  ->$LOGFILE"