Add multi-arch for docker images

[mzac]

Would this application work correctly if built using multiarch? My kubernestes cluster is a hybrid of Raspberry PI and AMD64 but I prefer to run small workloads on the PIs.

Example here:
https://github.com/marketplace/actions/docker-buildx

BTW awesome work, I got kubenav working with your examples!

[ricoberger]

Thank you and thanks for the hint with the GitHub action 🙂.

I adjusted the GitHub Action workflow (#116). Unfortunately I only could test it on linux/amd64. It would be nice if you can give me some feedback if this is running on your Raspberry PI.

[mzac]

Great! I'm trying to test it out but getting an error.. Need to make sure my Pi is pulling the right architecture. I've been trying to figure out how to specify the arch in a deployment, do you know how?

standard_init_linux.go:211: exec user process caused "exec format error"

[mzac]

They are showing up

docker container run mplatform/mquery kubenav/kubenav:4eae587f
Image: kubenav/kubenav:4eae587f
 * Manifest List: Yes
 * Supported platforms:
   - linux/amd64
   - linux/arm/v6
   - linux/arm/v7
   - linux/arm64
   - linux/386
   - linux/ppc64le
   - linux/s390x

[ricoberger]

Thanks for testing. I've never worked with a cluster with multiple architectures. If I get it right from the following article https://starkandwayne.com/blog/building-docker-images-for-kubernetes-on-arm/ it shouldn't be necessary to specify the architecture for the Kubernetes deployment.

Maybe there is still sth. wrong with the build process. I will take another look.

[mzac]

Ok thanks I'll test it out when you're ready!

[mzac]

I saw you updated the image recently, but getting a different error now

time="2020-06-25T12:12:14Z" level=info msg="(version=, branch=multi-arch-docker-images, revision=284bd89a0930fd54c40bfd4ee7ef1345e161928a)"
time="2020-06-25T12:12:14Z" level=info msg="(go=go1.14.4, user=root, date=2020-06-25@05:27:40)"
time="2020-06-25T12:12:14Z" level=fatal msg="Could not load index.html file" error="open build/index.html: no such file or directory

[ricoberger]

Yes I played around with Docker image. The failure is expected to speed up the build process. Hopefully I can provide a production ready multi-arch image by the end of the week.

[ricoberger]

Can you test the following image please: kubenav/kubenav:dc767ba8

[mzac]

It works!!

Every 2.0s: kubectl -n kubenav get pods -o wide                                                                             pi3: Thu Jun 25 17:20:44 2020

NAME                       READY   STATUS    RESTARTS   AGE   IP            NODE      NOMINATED NODE   READINESS GATES
kubenav-647d4d6f8c-m5wx2   1/1     Running   0          64s   10.42.7.134   k3s-pi3   <none>           <none>

[ricoberger]

Thanks for your help with testing this 🙂