Major CI changes - FreeBSD and Linux

[Ben Cooksley]

On Mon, Jan 22, 2024 at 10:08 PM Ben Cooksley <bcooksley at kde.org> wrote:

> Hi all,
>
> Over the past few weeks significant work has been undertaken to develop
> the ability to make use of containerised builds for FreeBSD.
>
> Over the weekend i'm happy to report that this has now been rolled out and
> is now in use across all 5 CI workers that support invent.kde.org. This
> means going forward that we should no longer experience issues with running
> out of disk space on our FreeBSD CI jobs anymore, and we will have the
> ability to ensure others can easily reproduce our setup on their local
> system.
>
> The FreeBSD images for Qt 5.15 and Qt 6.6 that are in use can be found at
> https://invent.kde.org/sysadmin/ci-images along with the other images we
> publish. For those curious about how to set up their own builder,
> instructions can be found in the gitlab-templates/ folder of
> sysadmin/ci-utilities (instructions are also present there for Linux and
> Windows).
>
> Alongside this, we've also transitioned from using Docker on the Linux
> side of the CI workers to using rootless (unprivileged) Podman containers.
> This change was necessitated by changes to Bubblewrap, which is the
> underlying container technology used by flatpak-builder, that made it
> incompatible with the workarounds we previously had in place to run it
> under Docker.
>
> For most projects, this should not pose any issues however due to a last
> minute issue that was discovered during the rollout the DRM virtual gem
> devices while present won't be accessible. To my knowledge this only
> impacts KWin.
> It is possible other projects that were doing actions in their tests that
> need some form of privilege (such as invoking a debugger) may also be
> affected, however in theory there should not be much difference between the
> two container implementations.
>
> This change has also come along with a switch to Debian Bookworm (and the
> 6.1.0 kernel that comes with it) which depending on your tests could also
> have an impact.
>
> The underlying operating system in use within our Linux CI images is not
> changed and continues to be OpenSUSE for desktop Linux, and Ubuntu 22.04
> for Android mobile builds.
>
> At this time the setup for building of Linux images has yet to be adapted,
> so that capability is temporarily unavailable. It is expected to be
> restored in the coming days.
> Until that is completed, we will be unable to rebuild any of our Linux
> images.
>

This has now been corrected and should be functional again.


>
> Thanks,
> Ben
>

Cheers,
Ben
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