crd.yaml

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  name: apiservers2.config.openshift.io
spec:
  group: config.openshift.io
  names:
    kind: APIServer2
    listKind: APIServer2List
    plural: apiservers2
    singular: apiserver2
  scope: Cluster
  versions:
  - name: v1
    schema:
      openAPIV3Schema:
        description: |-
          APIServer holds configuration (like serving certificates, client CA and CORS domains)
          shared by all API servers in the system, among them especially kube-apiserver
          and openshift-apiserver. The canonical name of an instance is 'cluster'.

          Compatibility level 1: Stable within a major release for a minimum of 12 months or 3 minor releases (whichever is longer).
        properties:
          apiVersion:
            description: |-
              APIVersion defines the versioned schema of this representation of an object.
              Servers should convert recognized schemas to the latest internal value, and
              may reject unrecognized values.
              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources
            type: string
          kind:
            description: |-
              Kind is a string value representing the REST resource this object represents.
              Servers may infer this from the endpoint the client submits requests to.
              Cannot be updated.
              In CamelCase.
              More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
            type: string
          metadata:
            type: object
          spec:
            description: spec holds user settable values for configuration
            properties:
              name:
                enum:
                - ""
                - Foo
                - Bar
                type: string
            required:
            - name
            type: object
          status:
            description: status holds observed values from the cluster. They may not
              be overridden.
            type: object
        required:
        - spec
        type: object
    served: true
    storage: true
    subresources:
      status: {}

empty.yaml

kind: APIServer2
apiVersion: config.openshift.io/v1
metadata:
  generateName: empty
spec:
  name: ""

missing.yaml

kind: APIServer2
apiVersion: config.openshift.io/v1
metadata:
  generateName: missing
spec: