#!/bin/bash -

source functions

# Title.
export title="Modifying a disk image in flight"

# History.
remember 'nbdkit curl https://download.fedoraproject.org/pub/fedora/linux/releases/33/Cloud/x86_64/images/Fedora-Cloud-Base-33-1.2.x86_64.raw.xz --filter=xz'
remember 'qemu-img create -f qcow2 -F raw -b nbd://localhost snapshot.qcow2'
remember 'virt-sparsify --inplace snapshot.qcow2'
remember 'virt-customize -a snapshot.qcow2 --run-command "systemctl disable cloud-init" --write /etc/motd:HELLO_WORLD'
remember 'ls -lh snapshot.qcow2'
remember 'qemu-img convert -f qcow2 snapshot.qcow2 -O raw local.img -p'
remember 'virt-cat -a local.img /etc/motd'

terminal