open-policy-agent
Support opa-envoy linux/arm64 Docker Image
What is the underlying problem you're trying to solve?
I'm using opa-envoy, but it doesn't support linux/arm64 architecture. So I can't use this on Graviton 2 (AWS).
Describe the ideal solution
If there are no problem to build opa-envoy image for arm64, can you please support this? If not, It is issue and it have to be resolved.
There's no technical reason not to do it; it's just work that needs to be done. Would you be interested in adding the steps done with OPA in https://github.com/open-policy-agent/opa/commit/db4d9872ccf3ec1d25165d18ba7d8891af3e4276 with opa-envoy-plugin...?
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Contributions welcome! Happy to assist.
The setup here could also be simpler than what OPA does: since no cgo is needed, we could use ko.
@srenatus Ko seems to do all of the heavy lifting of multiarch image builds. Should I replace all of these lines with Ko's CLI instead of docker build?
https://github.com/open-policy-agent/opa-envoy-plugin/blob/c37ea9d489b8f8144d449abbe294a1d6cde7ffa2/Makefile#L86-L111
@srenatus Do we need the whole replacing the Dockerfile arch business when we switch to Ko?
sed -e 's/GOARCH/$(GOARCH)/g' Dockerfile > .Dockerfile_$(GOARCH)
Where exactly is the docker build happening?
https://github.com/open-policy-agent/opa-envoy-plugin/blob/c37ea9d489b8f8144d449abbe294a1d6cde7ffa2/.github/workflows/post-tag.yaml#L23 this doesn't seem to be building the images, only the binaries?
https://github.com/open-policy-agent/opa/blob/main/.github/workflows/post-merge.yaml#L160 should do it, at least the -edge images.
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