kindnet for linux/arm64

[hellt]

Hi @aojea long time no see, we are starting to have more users trying to run networking topologies with kind and kindnet as a proper CNI suitable for networking OSes.

Unfortunately, we have a lot of Mac Os users (me included), who wanted to play with this on their macs. Would it be possible to build kindnet for linux/arm64 so that we get to enjoy kind clusters with it?

Should be a few lines in the workflow config, but this is sensitive for outside contributions, so maybe you may want to do this yourself. Thank you!

[aojea]

@hellt do you still need the bridge mode? is this still running inside kind on Mac?

[hellt]

yes, we still use the bridge mode both on mac and linux also it seems it is quite in demand

[aojea]

ok, give me some days to fix this

[aojea]

@hellt the images should be published automatically after this job finish https://github.com/aojea/kindnet/actions/runs/9692669989

I'm going to be AFK for some time, if you check the images are correct and work feel free to close the issue

[hellt]

Thanks @aojea ~~I wonder if that would work as expected, though. Since the cni binaries are still not build for the target (arm64) architecture as far I can see from a quick glance at #36. The go build is executed outside of the dockerfile, so I don't think the container image will contain the arm64 build cni binary...~~

Apologies, I didn't see the folded part in the Dockerfile :sigh:

[aojea]

hmm , to be honest I don't have it clear, it gets the GOARCH argument but I'm always confused building multiarch and never get it at the first try ... do you mind if we iterate based on current run?

[aojea]

ok, is doing the wrong thing

#16 [linux/arm64 builder 4/5] RUN CGO_ENABLED=0 go build -o /go/bin/kindnetd ./cmd/kindnetd
#16 DONE 618.8s
#20 [linux/arm64 builder 5/5] RUN echo "Installing CNI binaries ..."     && export CNI_TARBALL="v1.5.0/cni-plugins-linux-amd64-v1.5.0.tgz"     && export CNI_URL="[https://github.com/containernetworking/plugins/releases/download/${CNI_TARBALL}](https://github.com/containernetworking/plugins/releases/download/$%7BCNI_TARBALL%7D)"     && curl -sSL --retry 5 --output /tmp/cni.tgz "${CNI_URL}"     && mkdir -p /opt/cni/bin     && tar -C /opt/cni/bin -xzf /tmp/cni.tgz     && rm -rf /tmp/cni.tgz     && find /opt/cni/bin -type f -not (          -iname host-local          -o -iname ptp          -o -iname bridge          -o -iname portmap       )       -delete

[aojea]

let's see https://github.com/aojea/kindnet/actions/runs/9695000038/job/26753827829

[aojea]

this time it looks correct

#16 [linux/amd64 builder 5/5] RUN echo "Installing CNI binaries ..."     && export CNI_TARBALL="v1.5.0/cni-plugins-linux-amd64-v1.5.0.tgz"     && export CNI_URL="[https://github.com/containernetworking/plugins/releases/download/${CNI_TARBALL}](https://github.com/containernetworking/plugins/releases/download/$%7BCNI_TARBALL%7D)"     && curl -sSL --retry 5 --output /tmp/cni.tgz "${CNI_URL}"     && mkdir -p /opt/cni/bin     && tar -C /opt/cni/bin -xzf /tmp/cni.tgz     && rm -rf /tmp/cni.tgz     && find /opt/cni/bin -type f -not (          -iname host-local          -o -iname ptp          -o -iname bridge          -o -iname portmap       )       -delete
#16 0.288 Installing CNI binaries ...
#16 DONE 1.3s

#15 [linux/amd64->arm64 builder 5/5] RUN echo "Installing CNI binaries ..."     && export CNI_TARBALL="v1.5.0/cni-plugins-linux-arm64-v1.5.0.tgz"     && export CNI_URL="[https://github.com/containernetworking/plugins/releases/download/${CNI_TARBALL}](https://github.com/containernetworking/plugins/releases/download/$%7BCNI_TARBALL%7D)"     && curl -sSL --retry 5 --output /tmp/cni.tgz "${CNI_URL}"     && mkdir -p /opt/cni/bin     && tar -C /opt/cni/bin -xzf /tmp/cni.tgz     && rm -rf /tmp/cni.tgz     && find /opt/cni/bin -type f -not (          -iname host-local          -o -iname ptp          -o -iname bridge          -o -iname portmap       )       -delete
#15 DONE 1.3s

[aojea]

fantastic, it was a long time since I had to do this, happy to see the ecosystem improved a lot , really neat and simple these days to do multibuild

https://github.com/aojea/kindnet/pkgs/container/kindnetd/235911957?tag=v1.2.0

[hellt]

sweet, thanks a lot @aojea Will do the testing on macOS 14 + kind