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Re: [libvirt] [jenkins-ci PATCH 2/2] jobs: use job_env in all job templates



On Thu, Nov 02, 2017 at 04:54:38PM +0100, Pavel Hrdina wrote:
> On Thu, Nov 02, 2017 at 03:42:56PM +0000, Daniel P. Berrange wrote:
> > On Thu, Nov 02, 2017 at 01:45:51PM +0100, Pavel Hrdina wrote:
> > > This fixes libosinfo RPM build, we need to set "OSINFO_SYSTEM_DIR" for
> > > RPM build as well since the spec file runs tests and they need valid
> > > osinfo-db.  Broken by <359b069f7e4700bee337588eab0a9d83cac94010>.
> > 
> > I'm not suggesting you fix this right now, but our current RPM build
> > process is very broken by design, because we are completely ignoring
> > dependancies between packages. We've hacked around this by culling the
> > BuildRequires lines from the spec file before running rpmbuild, and
> > relying on a bit of luck to have the rpmbuild find the stuff we just
> > built into  $VIRT_PREFIX. As this test suite problem shows though,
> > this is very fragile.
> 
> I completely agree with it, it's fragile and it uses all the environment
> variables to make sure that all the dependencies can be resolved.
> 
> > One way to fix this is to create a yum repo populated with all RPMs
> > we build during CI. Then setup a mock vroot to do the builds in,
> > which includes this local yum repo. That way we can honour the RPM
> > deps correctly getting a more accurate test of RPM build process.
> > 
> > My main concern with this is that mock is kind of slow to bootstrap
> > the initial vroot, so this would slow our CI somewhat.
> 
> We need to look into it how much it will slow down our CI since we have
> very limited resources.  Maybe it's time to ask whether we can have more
> resources.

I think it is well overdue for us to acquire more hardware for Jenkins
slaves. If CentOS have a 2nd machine they can spare for us then great,
otherwise we should try to push RH to fund some...

Regards,
Daniel
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