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Kubernetes Multi-arch support #2573

everflux opened this Issue Jan 12, 2019 · 2 comments


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everflux commented Jan 12, 2019

I am running image: drone/drone:1.0.0-rc.4-linux-arm64 and created a simple build job.
Drone creates a new kubernetes job that fails to execute because it uses amd64 docker image:

"annotations": {
      "": "2",
      "": "1",
      "io.drone.stage.arch": "arm64",
      "io.drone.stage.created": "2019-01-12 16:46:49 +0000 UTC",
      "": "2",
      "io.drone.stage.number": "1",
      "io.drone.stage.os": "linux",
"spec": {
        "containers": [
            "name": "drone-controller",
            "image": "drone/controller:linux-amd64",

Setting DRONE_RUNNER_PLATFORM=linux/arm64 did not have any effect.

I think it would be best, if the arch would be extracted from the pipeline definition or uses a simple image name to use docker resolution of the right image through multi-arch manifest file.


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bradrydzewski commented Jan 12, 2019

The kubernetes runtime does not (yet) support arm or arm64. This is planned.

@bradrydzewski bradrydzewski changed the title Kubernetes job executor uses hardcoded amd64 image Kubernetes Multi-arch support Jan 12, 2019


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bradrydzewski commented Jan 17, 2019

this was fixed with two separate patches. First we updated the default image to drone/controller:1.0.0-rc.4 which is a manifest that points to arm, arm64 and amd64 images.

second we updated the code to pass the architecture to the node selector. This means you cluster needs to support the beta value. You can see this logic below:

	if arch := stage.Arch; arch != "amd64" {
		if job.Spec.Template.Spec.NodeSelector == nil {
			job.Spec.Template.Spec.NodeSelector = map[string]string{}
		job.Spec.Template.Spec.NodeSelector[""] = arch
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