apiVersion: kyverno.io/v1
kind: ClusterPolicy
metadata:
  name: require-seccomp-runtime-default
spec:
  validationFailureAction: Enforce
  background: true

  rules:
    - name: require-pod-seccomp-runtime-default
      match:
        any:
          - resources:
              kinds:
                - Pod

      validate:
        message: "Pod seccompProfile.type must be RuntimeDefault."
        pattern:
          spec:
            securityContext:
              seccompProfile:
                type: RuntimeDefault

    - name: require-container-seccomp-runtime-default
      match:
        any:
          - resources:
              kinds:
                - Pod

      validate:
        message: "All containers must use RuntimeDefault seccomp."

        foreach:
          - list: "request.object.spec.containers"
            pattern:
              securityContext:
                seccompProfile:
                  type: RuntimeDefault

          - list: "request.object.spec.initContainers"
            pattern:
              securityContext:
                seccompProfile:
                  type: RuntimeDefault

          - list: "request.object.spec.ephemeralContainers"
            pattern:
              securityContext:
                seccompProfile:
                  type: RuntimeDefault