On Fri, Dec 15, 2017 at 10:30 PM Barak Korren <bkorren@redhat.com> wrote:
Hi to all project maintainers,

As you may know, over the last few months the oVirt project had got
some code contributions geared towards enabling the use of s390x
(Mainframe) machines as hypervisor hosts.

As you may also know, if you've followed the relevant thread, some
work had been done in collaboration with the Fedora community to
enable os390x support in oVirt`s CI system.

We're now at the point where we can take the final step and enable
automated builds of node components for s390x/fc27. Looking at what we
curently build for ppc64le, I already took the time and submitted
patches to enable build jobs for vdsm [2], ovirt-host [3], and
ioprocess [4]. The relevant maintainers should have had these patches
land in thair inbpx already.

Few questions remain however:
1. When would be the best time to merge the patches mentioned above? Given
   that some of the projects do not support fc27 yet, that the new
build jobs may
   raise issues and that the 4.2 release is fast approaching, the
right timing should
   be considered carefully.

We should prepare a fedora 27 build for all projects before we enable
the jobs in the CI. But if we can disable problematic jobs in the CI easily
(and it seems we can), I think this is not a problem.

You can merge the ioprocess change now if you like.
 
2. Which additional projects need to be build? I can see we build some SDK
   components for ppc64le as wel, are those dependences of vdsm? Will we need
   to build then for s390x?

For vdsm we need:
- ioprocess (nsoffer)
- ovirt-imageio-daemon (derez)
- ovirt-imageio-common (derez)
- pthreading (ybronhei)
- subprocess32 (sbonazzo?)

For engine:
- ovirt-imageio-common
- ovirt-imageio-proxy

This is only (some) the components that we build. We have also tons of
dependencies that are part of Fedora (e.g. sanlock, libvirt). I hope these
projects are built for s390x.

Added some maintainers.

Nir



[1]: http://jenkins.ovirt.org/search/?q=master_build-artifacts-el7-ppc64le
[2]: https://gerrit.ovirt.org/c/85487
[3]: https://gerrit.ovirt.org/c/85486
[4]: https://gerrit.ovirt.org/c/85485

--
Barak Korren
RHV DevOps team , RHCE, RHCi
Red Hat EMEA
redhat.com | TRIED. TESTED. TRUSTED. | redhat.com/trusted
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