[libvirt] RFC: make <mac> element required?

[Daniel P. Berrange]

On Fri, Feb 18, 2011 at 06:51:36PM +0100, Michal Prívozník wrote:
> Hi,
> 
> I am about to fix https://bugzilla.redhat.com/show_bug.cgi?id=616721
> It seems to me that problem is libvirt inserts a new element <mac
> address='...'> during parsing interface XML with random mac address
> which result in error described in BZ.
> 
> I am not sure wheter to fix it just in virsh or in
> virDomainDetachDevice() as well. If in virsh, then other application
> may fail without knowing why. But isn't the second option too
> aggressive?

We can't change the parser, since apps expect libvirt to auto-fill the
MAC address.  The virsh detach-interface command should be mandating
the MAC parameter though. There is no other meaningful unique key for
interfaces in general.

Daniel
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