Server backup script

backup.sh

#!/bin/bash

HOST="server.whatever.org"
USER="root"

BACKUP_LOCATIONS=(
   "/etc/postfix"
   "/etc/fail2ban"
   "/etc/nginx"
   "/etc/php5"
   "/etc/letsencrypt"
   "/etc/ssl"
   "/opt"
   "/var/www"
)

BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )

function error_exit {
    printf "\n\033[0;31mBackup failed\033[0m\n"
    cd $BASEDIR
    exit 1
}

function finished {
    printf "\n\033[0;92mBackup completed\033[0m\n"
    cd $BASEDIR
    exit 0
}

for LOCATION in ${BACKUP_LOCATIONS[@]}; do
    TARGET_DIR="${BASEDIR}${LOCATION}"
    if [ ! -d "${TARGET_DIR}" ]; then
        mkdir -p "${TARGET_DIR}"
    fi
    rsync -vrze ssh --delete ${USER}@${HOST}:${LOCATION} `dirname "${TARGET_DIR}"`|| error_exit
done
finished