[Beowulf] Warewulf vs. OpenCHAMI

[Kevin Rineer]

Hey Paul,

Of the two, I have experience with Warewulf. I find the docs to be quite
good and the level of responsiveness on the source repo to be high. The
Slack is actively used by the developers as an additional
communication medium other than just github. I haven't needed to call the
enterprise support line.

The Warewulf folks are trying to move the verbiage from "containers" to
"images" - see https://warewulf.org/docs/main/release/v4.6.0.html#images.
People have many opinions on what containers are and should do. I'm not
sure that nomenclature change is sticking, but deploying a running rootfs
from an OCI image concept is a core of the software. Because of that, if
you can get OCI artifacts up to a container registry, then I would assume
that the CI you're comfortable with would be a good fit.

Warewulf, from what I've seen, has significant minor releases on a 6-month
cycle, but usually the feature list isn't such that I bother compiling from
source - I just use distribution repositories for the featureset I need.
I've done a cluster upgrade from EL8 to EL9 and the migration was a day's
work for my small cluster that is two 0's smaller than yours.

One thing I'd note about Warewulf right now is that the "webui" cockpit
integration is not yet mature as of 4.6.5. I don't manage any systems with
cockpit, so that doesn't bother me :)

Best,
Kevin
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