ftp_backup.sh

#!/bin/bash
SCRIPT_ROOT="/path/to/this/script"

# Runscript to preform incremental backups
# Depends: gpg, duplicity, ncftp, mysql
#
# MySQL backupuser needs: GRANT *.* and GRANT LOCK *.*
#
# by Armas Spann 2013

# this file contains the directories to be backedup, one per line:
INC_FS="incl.dir"

# GPG pass for the backups..
export PASSPHRASE="SOMEPASS"

# FTP settings
FTP_HOST="BACKUP_HOST"
FTP_PORT="21"
FTP_PASS="FTP_password"
FTP_USER="FTP_username"

# Local MySQL Settings
SQL_USER="SQL_backup_user"
SQL_PASS="SQL_backup_user_pw"
SQL_HOST="localhost"
SQL_TMPF="/tmp/sql_bak.$$.tmp"

# info mail settings
M_ADDR="someone@to-inform-about-backup.com"
M_SUBJ="$HOSTNAME backup ("$(date +"%d.%m.%Y, %H:%M:%S Uhr")")"
M_TMPF="/tmp/run_bak.$$.tmp"


# dump mysql.. (no incrementals / not every one uses innodb)
if [ $(pidof mysqld) != "" ] ; then
        mysqldump --opt -u$SQL_USER -p$SQL_PASS --all-databases > $SQL_TMPF
        bzip2 -q --best $SQL_TMPF
        rm -f $SQL_TMPF
        SQL_TMPD=${SCRIPT_ROOT%/}/MySQL
        mkdir -p $SQL_TMPD
        mv $SQL_TMPF.bz2 $SQL_TMPD/MySQL_$(date +%F).sql.bz2
        echo -e "==========================\nBackup MySQL-Database\n==========================" >> $M_TMPF
        duplicity full $SQL_TMPD ftp://$FTP_USER:$FTP_PASS@$FTP_HOST:$FTP_PORT/$HOSTNAME/MySQL >> $M_TMPF
        rm -rf $SQL_TMPD
fi

# backing up directories
while read dir
do
    echo -e "==========================\nBackup $dir\n==========================" >> $M_TMPF
    duplicity --full-if-older-than 1M $dir ftp://$FTP_USER:$FTP_PASS@$FTP_HOST:$FTP_PORT/$HOSTNAME/$dir >> $M_TMPF
done <$INC_FS

# send info mail
/bin/mail -s "$M_SUBJ" "$M_ADDR" < $M_TMPF
rm -f $M_TMPF

unset PASSPHRASE
exit 0