On Thu, Nov 12, 2009 at 8:20 PM, Daniel P. Berrange <berrange(a)redhat.com> wrote:
On Tue, Nov 10, 2009 at 07:03:53PM +0900, Ryota Ozaki wrote:
> Hi,
>
> I have a question about interface script (e.g., qemu-ifup) for qemu/kvm.
> qemu/kvm is dropped its all capabilities by libcap-ng before executed.
> So the script that is executed by qemu/kvm will fail if it executes
> privileged operations which are usual jobs of it.
>
> It means we cannot use <script> anymore? or I'm missing something?
That is correct.
> I think executing the script in libvirtd after creating a tap and before
> dropping capabilities would be a solution for that issue. Am I wrong?
If we want to keep the 'script' capability, then that is pretty much the
only option I see. Personally though I'd rather people never used the
script capability because its an opaque blackbox doing who knows what
Honestly said, I was so ;-) but now I want to incorporate external networking
tools like Open vSwitch and such tools require own special command to
connect a tap with their bridge-like interface. Then I first attempted 'script'
feature and got the problem.
I think another way is that libvirt supports such tools inside like ebtables.
Is it appreciate to libvirt? If so, I'm welcome to do that.
Thanks,
ozaki-r
Regards,
Daniel
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