[Libguestfs] Which ISO format/layout does virt-builder expect?

Richard W.M. Jones rjones at redhat.com
Fri Dec 11 12:30:56 UTC 2015


[Please let's keep the replies on the list.]

On Fri, Dec 11, 2015 at 11:58:46AM +0000, Scott Gorton wrote:
> >ISOs are not modifiable by the Linux kernel :-(  So none of the tools like guestfish,
> >virt-customize etc etc can work on them.
> 
> I wasn't suggesting that virt-builder or any virt-* command attempt
> to manipulate the ISO.  Instead, I was wondering if I should create
> the ISO with a different filesystem layout.  Mine appears to be an
>  installer image that lays out the filesystem upon first install.
> Yours seems to be a fully baked (live-cd) format.
>
> Maybe the way to go would be to configure a VM using virsh and point
> it at my ISO.  I'll then run through the boot/installation process
> (to install packages and run our customization scripts), shut the
> system down to produce a qcow2.  I can then use your other tools to
> convert the qcow2 into other formats.

In that case I don't understand the problem, but I'll just comment
that virt-customize cannot customize an install CD.

Rich.

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