[pve-devel] RFC: qemu-server : add cloudinit support

[Dietmar Maurer]

> I would like to known when do you want to generate the cloudinit iso.
> 
> If user change settings (ips,hostname,...), do we want to apply them directly
> to configuration ?
> or do we want to put them as pending ?  (for ip can be ok, for hostname that
> seem strange if user want to rename his vm).
> 
> Advantage to pending, is that we can simply regenerate the iso at vmstart if
> pending changes exist.
> and user can also revert with if wrong settings.

I would generate a Digest using all cloud-init related values, and re-gererate
the iso at VM start
if the digest has changed.