apiextensionshelpers "k8s.io/apiextensions-apiserver/pkg/apihelpers"
	apiextensionsinternal "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions"
	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
	"k8s.io/apiextensions-apiserver/pkg/apiserver/schema"
	client "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset/typed/apiextensions/v1"

	"k8s.io/apiserver/pkg/admission"
	genericapifilters "k8s.io/apiserver/pkg/endpoints/filters"
	genericapiserver "k8s.io/apiserver/pkg/server"
	"k8s.io/apiserver/pkg/server/egressselector"
	serverstorage "k8s.io/apiserver/pkg/server/storage"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	"k8s.io/apiserver/pkg/util/notfoundhandler"
	"k8s.io/apiserver/pkg/util/webhook"

	genericregistry "k8s.io/apiserver/pkg/registry/generic"
	genericapiserver "k8s.io/apiserver/pkg/server"
	"k8s.io/apiserver/pkg/server/dynamiccertificates"
	serverstorage "k8s.io/apiserver/pkg/server/storage"
	utilfeature "k8s.io/apiserver/pkg/util/feature"
	clientgoinformers "k8s.io/client-go/informers"
	"k8s.io/client-go/kubernetes"
	"k8s.io/component-helpers/apimachinery/lease"
	"k8s.io/klog/v2"
	"k8s.io/utils/clock"

)

const (
	// namespaceDeletionGracePeriod is the time period to wait before processing a received namespace event.
	// This allows time for the following to occur:
	// * lifecycle admission plugins on HA apiservers to also observe a namespace
	//   deletion and prevent new objects from being created in the terminating namespace
	// * non-leader etcd servers to observe last-minute object creations in a namespace

		// that there isn't a hint to clients about which client-cert to used.  this happens when there is no client-ca
		// yet known for authentication, which can happen in aggregated apiservers and some kube-apiserver deployment modes.
		newContent.clientCA = caBundleContent{caBundle: currClientCABundle}
	}

	if c.servingCert != nil {
		currServingCert, currServingKey := c.servingCert.CurrentCertKeyContent()

// that a cluster supports.
message APIGroupDiscoveryList {
  // ResourceVersion will not be set, because this does not have a replayable ordering among multiple apiservers.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

// that a cluster supports.
message APIGroupDiscoveryList {
  // ResourceVersion will not be set, because this does not have a replayable ordering among multiple apiservers.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional .k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

// that a cluster supports.
message APIGroupDiscoveryList {
  // ResourceVersion will not be set, because this does not have a replayable ordering among multiple apiservers.
  // More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
  // +optional
  optional .k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;

    scrape_configs:
    - job_name: prometheus
      static_configs:
      - targets:
        - localhost:9090
    - bearer_token_file: /var/run/secrets/kubernetes.io/serviceaccount/token
      job_name: kubernetes-apiservers
      kubernetes_sd_configs:
      - role: endpoints
      relabel_configs:
      - action: keep
        regex: default;kubernetes;https
        source_labels:
        - __meta_kubernetes_namespace

// that a cluster supports.
type APIGroupDiscoveryList struct {
	v1.TypeMeta `json:",inline"`
	// ResourceVersion will not be set, because this does not have a replayable ordering among multiple apiservers.
	// More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
	// +optional
	v1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`