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Kubernetes 1.22: API Removals

Posted on by Nithin Mohan TK 1 min read

Kubernetes 1.22 is a “breaking” release for many because it finally removes old beta APIs that have been deprecated for years. If you rely on `extensions/v1beta1` for Ingress, you will break.

The Big Changes

  • Ingress: Move from `networking.k8s.io/v1beta1` to `networking.k8s.io/v1`. Path type is now required (`Prefix` or `Exact`).
  • CRDs: `apiextensions.k8s.io/v1beta1` is gone. Use `v1`.
  • ValidatingWebhookConfiguration: Use `admissionregistration.k8s.io/v1`.

How to Audit

Use the tool kubent (Kube No Trouble). It scans your cluster for deprecated APIs that are still in use.

kubent

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