[Libguestfs] v2v: -o rhv-upload: Use Unix domain socket to access imageio (RHBZ#1588088).

[Richard W.M. Jones]

On Tue, Jun 26, 2018 at 02:46:39AM +0300, Nir Soffer wrote:
> On Thu, Jun 21, 2018 at 3:35 PM Richard W.M. Jones <rjones at redhat.com>
> wrote:
> 
> > These two patches add support for using a Unix domain socket to
> > directly access imageio in the case where imageio is running on the
> > conversion host (usually that means virt-v2v is running on the RHV
> > node and something else -- eg. CFME scripts -- arranges that the RHV
> > node is the same one running imageio).
> >
> 
> Actually CFME does not know anything about this optimization. It is virt-v2v
> starting the transfer on the same host it is running on.
> 
> 
> >
> > Conversions in the normal case are not affected - they happen over TCP
> > as usual.
> 
> 
> > This was extremely hard to test,
> 
> 
> Why? is this something that we can improve in ovirt?

I don't think there's anything needed in oVirt.  It's just that to
test it I had to build virt-v2v on the RHV node (running RHEL 7) which
was quite complicated.

> > but I did eventually manage to test
> > it both ways.
> 
> 
> Do you mean both using https and unix socket?

Yes.

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/