[libvirt-users] Mounting VM filesystem on host while VM running

[Andrea Bolognani]

On Mon, 2016-08-08 at 10:37 +0200, Michal Privoznik wrote:
> On 08.08.2016 10:23, Patrick PICHON wrote:
> > 
> > hello Michal,
> > 
> > That was my worries as well, and I think that your advice is probably
> > the right one. Or even, I'm might request an enhancement to the collect
> > libvirt plugin to report also FS information.
> 
> What I'd like to see is libvirt's ability to spawn commands inside
> guest. But it is not that simple. I mean, the hardest part is to design
> public libvirt API. For instance, we'd have to deal with both blocking &
> non-blocking (i.e. long-running) commands; then we would need to give
> users possibility to read command's output (possibly asynchronously).
> 
> With this, you'd just: virDomainRunCommand(dom, 'df', '-h', NULL); or
> something and you'd be good.

Not as straightforward as you'd like, but if you use QEMU you
can already achieve something similar via qemu-guest-agent.

https://www.redhat.com/archives/libvir-list/2016-August/msg00339.html

-- 
Andrea Bolognani / Red Hat / Virtualization