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Re: [libvirt] OpenVZ : The restriction of domain name should be addressed



2009/7/24 Daniel P. Berrange <berrange redhat com>
On Fri, Jul 24, 2009 at 06:23:21PM +0400, Anton Protopopov wrote:
> >
> > > Is there anyone tackling this problem now?( or going to? )
> > > Otherwise, any hint would help me.
> >
> >   I don't think anybody has tried to handle this. The problem I think
> > is that the mapping would have to be stored and if the hypervisor
> > doesn't support this maintaining this data in a coherent fashion
> > will be non-trivial. In any case the design for such a patch should
> > be discussed here first and with the openvz maintainers to make sure
> > the effort isn't wasted.
> >
>
> Openvz supports setting names for containers, see description on --name
> parameter in vzctl(8). But you (or libvirt) actually need to specify
> an unique container id anyway.

We should make use of this --name parameter then - I guess it didn't
exist when we first wrote the driver. It is useful to users to have
separate ID vs Name parameters - and in fact the current reusing of
'ID' for the name, causes a little confusion in virsh's lookup routines
because it can't tell whether the parameter its given is a name or an
ID, since they are identical.

There is still a question of how to specify both a name and CTID in XML description.
By default, CTID can be obtained as openvzGimmeFirstUnusedCTID(), but actually
I think that there exists a number of persons interested in giving CTIDs manually.
 

Regards,
Daniel
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