[pve-devel] rfc : qemu fw_cfg as alternative to cloudinit

[Thomas Lamprecht]

Hi,

On 10/06/2017 09:44 AM, Alexandre DERUMIER wrote:
> Hi,
> 
> I also notice that qemu guest agent now support
> 
> guest-file-write
> guest-exec
> 
> 
> So, I think it's possible to manage ip address,hostname, password,... like we do it for lxc.
> 

Yes, could be - maybe a bit more difficult as with our LXC you
know there is a Linux in there, or at least something which
runs under Linux. Also the Linux VM setups may be more complex,
but for the simple cases this could be done by user opt-in.

> 
> so, fw_cfg could be use for vm init  and when vm is running, use guest agent to change config live.
>