#!/usr/local/bin/bash

# Define hostname
HOSTN=`hostname`

# Define admin e-mail for reports
MAILADDR=me@domain.tld

# Define backup account name
# This account name must be defined in rsyncd.conf on your backup server
BACC="customer1"

# Define local dir to backup
LDIR=/usr/local/www

# Define remote dir to backup
# If you have a lot of server is very useful to have hostname as remote backup dir 
BDIR=/$HOSTN

# Define hostname (or IP address) of the backup server
BSERVER=backup.domain.tld

# Here we export all possible path's, where rsync can be installed
export PATH=$PATH:/bin:/usr/bin:/usr/local/bin


########################### Nothing to change below this line #####################################

BACKUPDIR=`date +%A`
OPTS="--force --ignore-errors --delete --backup --backup-dir=/$BDIR/$BACKUPDIR -a"

# the following line clears the last weeks incremental directory
[ -d /tmp/emptydir ] || mkdir /tmp/emptydir
rsync --delete -a /tmp/emptydir/ $BSERVER::$BACC/$BDIR/$BACKUPDIR/
rmdir /tmp/emptydir

do_rsync()
{
	rsync $OPTS $LDIR $BSERVER::$BACC/$BDIR/current
}

# our post rsync accounting function
do_accounting()
{
	echo "Backup for $HOSTN. `date +%Y-%m-%d`.">/tmp/rsync_script_tmpfile
	echo >> /tmp/rsync_script_tmpfile
	echo "################################################">>/tmp/rsync_script_tmpfile
	du -sh $LDIR/* >> /tmp/rsync_script_tmpfile
	echo "Mail -s \"$HOSTN report\" $MAILADDR < /tmp/rsync_script_tmpfile"
	Mail -s "$HOSTN report" $MAILADDR < /tmp/rsync_script_tmpfile
	echo "rm /tmp/rsync_script_tmpfile"
	rm /tmp/rsync_script_tmpfile
}
                        
                        
# now actual transfer
do_rsync && do_accounting