#!/bin/bash

array_der_virtuellen_maschienen=$(/usr/sbin/vzlist -a1H)
for virtuelle_maschiene in $array_der_virtuellen_maschienen;
do

BACKUPPATH=/raid/.backup_vz/$virtuelle_maschiene/$virtuelle_maschiene-$( date +%F_%H_%M )

#create BACKUP-PATH
/bin/mkdir -p $BACKUPPATH

# Known snapshot ID
ID=$(uuidgen)
VE_PRIVATE=$(/usr/sbin/vzlist -H -o private $virtuelle_maschiene)

# Take a snapshot without suspending a CT and saving its config
/usr/sbin/vzctl snapshot $virtuelle_maschiene --id $ID

# Perform a backup using your favorite backup tool
# (cp is just an example)
/usr/bin/rsync -av $VE_PRIVATE/root.hdd/* $BACKUPPATH/

# Delete (merge) the snapshot
/usr/sbin/vzctl snapshot-delete $virtuelle_maschiene --id $ID

# remove old backups
/bin/rm -rf $( find /raid/.backup_vz/$virtuelle_maschiene/* -type d -name "$virtuelle_maschiene*" -exec ls -d1rt "{}" + | head -n-4  )

done

chmod 600 /raid/.backup_vz

echo "BACKUP FINISHED."