[infra][kolla] Kayobe CI failing on vexxhost

Mark Goddard mark at stackhpc.com
Fri Feb 26 11:20:48 UTC 2021

On Thu, 25 Feb 2021 at 15:22, Mohammed Naser <mnaser at vexxhost.com> wrote:
> On Thu, Feb 25, 2021 at 4:24 AM Mark Goddard <mark at stackhpc.com> wrote:
> >
> > Hi,
> >
> > Some of the Kayobe CI jobs are failing when run on the vexxhost cloud.
> > The particular part that fails is when testing 'bare metal' deployment
> > using libvirt/qemu VMs. As far as I can tell, the test passes fairly
> > reliably on other clouds, and fails reliably on vexxhost.
> Can you please provide logs or any exact error outcomes of what's
> happening so I can try and help?
> If we want to dig in, we'll need a little bit more information.  I
> suspect it may be nested virtualization at play here which is always a
> tricky thing.  Are you using that or are you using plain qemu?

Hi Mohammed, thanks for the offer of help. You are quite right about
nested virt - I tracked the issue down to a change to our test
configuration that inadvertently stopped us forcing the use of qemu.
With that change reverted, the job does now pass on vexxhost

> > Does anyone have any suggestion as to what might be causing this?
> > priteau suggested entropy could be an issue, but we have not
> > investigated yet.
> >
> > Is there any way to block a particular cloud provider for certain CI
> > jobs until this is resolved?
> >
> > Thanks,
> > Mark
> >
> --
> Mohammed Naser

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