add karpenter cluster api staging registry

[elmiko]

following up from the creation of the karpenter cluster-api group, this change adds the registry files for the controller.

[elmiko]

@ameukam i followed the example from #8448, but i wasn't sure about the promoter manifest. happy to fix this up as necessary.

[elmiko]

for reference, previous PR #8495

[ameukam]

You can put something like:

# No images yet

in registry.k8s.io/images/k8s-staging-karpenter-cluster-api/images.yaml so the image promoter will not attempt to promote an empty file.

[k8s-ci-robot]

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[k8s-ci-robot]

New changes are detected. LGTM label has been removed.

[elmiko]

updated with @ameukam 's suggestion.

once the registry is created, is there some documentation or an example of how we add images?

[ameukam]

The manifest's path is missing in ./registry.k8s.io/manifests.

[ameukam]

atlantis plan

[k8s-infra-ci-robot]

Ran Plan for dir: infra/gcp/terraform/k8s-staging-images workspace: default

Plan Failed: This project is currently locked by an unapplied plan from pull #8565. To continue, delete the lock from #8565 or apply that plan and merge the pull request.

Once the lock is released, comment atlantis plan here to re-plan.

[elmiko]

@ameukam , i added the manifest directory and copied the promoter file from cluster-api with modifications for the karpenter names. i hope i did that correctly XD

[k8s-ci-robot]

@elmiko: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name	Commit	Details	Required	Rerun command
pull-k8sio-cip	e77813c	link	true	/test pull-k8sio-cip

Full PR test history. Your PR dashboard. Please help us cut down on flakes by linking to an open issue when you hit one in your PR.

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[ameukam]

Suggested change

	service-account: k8s-infra-gcr-promoter@k8s-artifacts-prod.iam.gserviceaccount.com
	service-account: k8s-infra-gcr-promoter@k8s-artifacts-prod.iam.gserviceaccount.com
	imagesPath: "../../images/k8s-staging-karpenter-cluster-api/images.yaml"