Backup your OpenNebula images in one go

onebackup.sh

#!/bin/bash
#
# This script backs up your opennebula images to compressed qcow2 in one go.
# You may need to login through oneadmin user.
# 
TargetDir="./"
for vmimage in $(seq 0 3)
do
    imgname="$(oneimage show $vmimage|grep NAME|cut -d: -f2|tr -d ' ')"
    imgpath="$(oneimage show $vmimage|grep SOURCE|tr -s ' '|cut -d' ' -f3)"
    echo "making backup from $imgpath to $imgname.qcow2"
    qemu-img convert -cpO qcow2 $imgpath "$TargetDir$imgname".qcow2
done