[Libguestfs] Using virt-sysprep and virt-customize with LXC containers: is it possible?

[Daniel Miranda]

That's unfortunate. Is there any particular reason it was removed? I think
having a 'directory' format, or even a 'mount' one where libguestfs handles
mounting/unmounting would be nice.

Thanks for the help nevertheless,
Daniel


On Tue, Aug 19, 2014 at 3:08 PM, Richard W.M. Jones <rjones at redhat.com>
wrote:

> On Tue, Aug 19, 2014 at 01:11:02PM -0300, Daniel Miranda wrote:
> > I'm setting up a system to run LXC containers with ZFS on Linux (Ubuntu
> > 14.04). I intend to set up a base image which I'd like to clone to create
> > other containers from. virt-sysprep and virt-customize seem ideal for the
> > task: I obviously could mount and work with the rootfs from each
> container
> > directly, but the libguestfs tools have a bunch of pre-existing recipes
> > that would surely be much better than what I'd come up with on my own.
> >
> > Unfortunately, I can't seem to find any way to tell the tools to work
> > directly on an already mounted directory (from a ZFS subvolume) instead
> of
> > a disk image.
> >
> > Am I missing something or is this currently not possible?
>
> This was actually a feature of the original virt-sysprep (1.14).
> However we removed it in a more recent version (1.16 IIRC).  So no,
> virt-sysprep etc only work on disk images, not on mounted filesystems.
>
> Rich.
>
> --
> Richard Jones, Virtualization Group, Red Hat
> http://people.redhat.com/~rjones
> Read my programming and virtualization blog: http://rwmj.wordpress.com
> virt-df lists disk usage of guests without needing to install any
> software inside the virtual machine.  Supports Linux and Windows.
> http://people.redhat.com/~rjones/virt-df/
>
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