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Re: [Libguestfs] [PATCH] launch: show hint to resolve authentication failure from libvirt



On Fri, Oct 12, 2012 at 04:20:50PM +0200, Olaf Hering wrote:
> On Wed, Oct 10, Richard W.M. Jones wrote:
> 
> > libguestfs use of libvirt is a bit of a mess at the moment, since we
> > end up opening two connections if you use the -d option ... this is
> > something I'm intending to fix.
> > 
> > Nevertheless, it should be using NULL everywhere, so depending on
> > whether you run it as root or not, it will use qemu:///system
> > or qemu:///session.
> > 
> > It's somewhere on the to-do list to:
> > 
> >   (1) Fix the utilities so they only need to open one connection
> >       (this will matter in the remote case).
> > 
> >   (2) Support authentication in libvirt by mapping libvirt auth
> >       callbacks to libguestfs events.
> 
> Is this the reason why the first command fails, but the others work ok
> for me?
> 
> virt-filesystems -v -c qemu+ssh:///system  -d sles11sp2 --all --long
> 
> virt-rescue -v -c qemu+ssh:///system  -d opensuse12 -r
> virsh -c qemu+ssh:///system list --all

virt-rescue doesn't use the libvirt backend.  See:

https://github.com/libguestfs/libguestfs/commit/2e36adf83ce4a9cbccd313d6f3a88b5c5973ce44

This is just a shortcoming of the libvirt backend, albeit a
complicated one to fix.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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