[ovirt-devel] [ovirt-users] Building vdsm within Fedora

[Dan Kenigsberg]

On Fri, Sep 26, 2014 at 05:42:41AM -0400, Federico Simoncelli wrote:
> ----- Original Message -----
> > From: "Dan Kenigsberg" <danken at redhat.com>
> > To: "Sandro Bonazzola" <sbonazzo at redhat.com>
> > Cc: crobinso at redhat.com, "users" <users at ovirt.org>, devel at ovirt.org
> > Sent: Thursday, September 25, 2014 3:06:01 PM
> > Subject: Re: [ovirt-devel] [ovirt-users] Building vdsm within Fedora
> > 
> > On Wed, Sep 24, 2014 at 10:57:21AM +0200, Sandro Bonazzola wrote:
> > > Il 24/09/2014 09:44, Sven Kieske ha scritto:
> > > > 
> > > > 
> > > > On 24/09/14 09:13, Federico Simoncelli wrote:
> > > >> You probably missed the first part "we were using qemu-kvm/qemu-img in
> > > >> the spec file". In that case you won't fail in any requirement.
> > > >>
> > > >> Basically the question is: was there any problem on centos6 before
> > > >> committing http://gerrit.ovirt.org/31214 ?
> > > 
> > > Federico: as we checked a few minutes ago, it seems there's no problem in
> > > requiring qemu-kvm/qemu-img in the spec file.
> > > Only issue is that if non rhev version is installed a manual "yum update"
> > > is required for moving to the rhevm version.
> > 
> > Right. Without the patch, RPM does not enforce qemu-kvm-rhev. So our
> > code has to check for qemu-kvm-rhev functionality, instead of knowing
> > that it is there.  Furthermore, we had several reports of users finding
> > themselves without qemu-kvm-rhev on their node, and not understanding
> > why they do not have live merge.
> 
> Live merge? The biggest problem with live merge is libvirt not qemu.

Sorry, I meant to say live snapshot and refer to
http://gerrit.ovirt.org/26149 reporting to Engine if it's available.

> 
> Anyway the qemu-kvm/qemu-kvm-rhev problem is relevant only for centos
> and centos has a specific way to address these special needs:
> 
> http://www.centos.org/variants/
> 
> """
> A CentOS variant is a special edition of CentOS Linux that starts with
> the core distribution, then replaces or supplements a specific subset of
> packages. This may include replacing everything down to the kernel,
> networking, and other subsystems.
> """
> 
> I think the plan was to have our own centos variant (shipping qemu-kvm-rhev).
> I remember Doron participated to the centos meetings but I don't remember
> the outcome.

That would be lovely. EPEL's vdsm can then ship there, in case Fedora
cannot depend on a centos variant.

Dan.