Admission Configuration for the PodSecurity Admission Plugin

If you wish to add your custom configuration for the PodSecurity plugin, you can do so in the Shoot spec under .spec.kubernetes.kubeAPIServer.admissionPlugins by adding:

admissionPlugins:
- name: PodSecurity
  config:
    apiVersion: pod-security.admission.config.k8s.io/v1
    kind: PodSecurityConfiguration
    # Defaults applied when a mode label is not set.
    #
    # Level label values must be one of:
    # - "privileged" (default)
    # - "baseline"
    # - "restricted"
    #
    # Version label values must be one of:
    # - "latest" (default) 
    # - specific version like "v1.25"
    defaults:
      enforce: "privileged"
      enforce-version: "latest"
      audit: "privileged"
      audit-version: "latest"
      warn: "privileged"
      warn-version: "latest"
    exemptions:
      # Array of authenticated usernames to exempt.
      usernames: []
      # Array of runtime class names to exempt.
      runtimeClasses: []
      # Array of namespaces to exempt.
      namespaces: []

For proper functioning of Gardener, kube-system namespace will also be automatically added to the exemptions.namespaces list.