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Migrate docker-ci-tools workflow to Github Actions #4454

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@carles-grafana carles-grafana commented Dec 16, 2024

What this PR does:

Migrate the docker-ci-tools pipeline from Drone to Github Actions.
This includes building the Docker images, pushing them and creating the final manifest.

I've tested this in a branch of the main repo: https://github.com/grafana/tempo/actions/runs/12352580265/job/34469919545

Once merged, I'll test it by updating tools/go.mod and verifying that the produced image works.
Then we can delete the pipeline from Drone.

One change I've made from the original, to make it more efficient, is to trigger the workflow only when the tools directory changes, instead of on every commit.

Checklist

  • Tests updated
  • Documentation added
  • CHANGELOG.md updated - the order of entries should be [CHANGE], [FEATURE], [ENHANCEMENT], [BUGFIX]

@carles-grafana carles-grafana changed the title Migrate Docker CI tools workflow Migrate docker-ci-tools workflow to Github Actions Dec 16, 2024
@carles-grafana carles-grafana marked this pull request as ready for review December 16, 2024 13:38
- name: Login to DockerHub
uses: grafana/shared-workflows/actions/[email protected]

- name: docker-build-and-push
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have you tried this action?

docker/build-push-action@v6

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I had seen that but I prefer to do it this way because it is more explicit and we can build each platform natively, while the other action relies on QEMU which is probably slower.

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I'm not opposed to it but other teams are using it:

https://github.com/grafana/loki/blob/e6d82b9253a46a08120dccf4317fd1d25c1d4ca3/.github/workflows/images.yml#L48

I think it simplifies the process

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I say we review this once we have migrated everything, I'm sure there's room for optimization in our CI but I don't want to change things too much during the migration to make sure I don't break any process.

docker build -f tools/Dockerfile -t $IMAGE_NAME:$TAG_ARCH .
docker push $IMAGE_NAME:$TAG_ARCH

manifest:
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I think this is not needed since we are not pushing a multi-architecture image yet

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And it can be achieved as well with docker build-push-action

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In Drone we do something very similar to what I'm doing here, that is, build each platform natively and then create a multi-platform manifest -- only that in Drone we use some opaque plugins.

To clarify, this workflow is a combination of these Drone pipelines:

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