import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";

// Package-wide variables from generator "generated".
option go_package = "k8s.io/api/admission/v1";

// AdmissionRequest describes the admission.Attributes for the admission request.
message AdmissionRequest {
  // UID is an identifier for the individual request/response. It allows us to distinguish instances of requests which are

import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";

// Package-wide variables from generator "generated".
option go_package = "k8s.io/api/admission/v1beta1";

// AdmissionRequest describes the admission.Attributes for the admission request.
message AdmissionRequest {
  // UID is an identifier for the individual request/response. It allows us to distinguish instances of requests which are

			APIVersion: admission.SchemeGroupVersion.String(),
			Kind:       "AdmissionReview",
		},
		Request: &admission.AdmissionRequest{
			Object: runtime.RawExtension{Raw: podBytes},
			Kind: metav1.GroupVersionKind{
				Group:   admission.GroupName,
				Version: admission.SchemeGroupVersion.Version,
				Kind:    "AdmissionRequest",
			},
			Resource:           metav1.GroupVersionResource{},
			SubResource:        "",

  // CEL expressions have access to the contents of the AdmissionRequest and Authorizer, organized into CEL variables:
  //
  // 'object' - The object from the incoming request. The value is null for DELETE requests.
  // 'oldObject' - The existing object. The value is null for CREATE requests.
  // 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).

  // CEL expressions have access to the contents of the AdmissionRequest and Authorizer, organized into CEL variables:
  //
  // 'object' - The object from the incoming request. The value is null for DELETE requests.
  // 'oldObject' - The existing object. The value is null for CREATE requests.
  // 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).

  // CEL expressions have access to the contents of the AdmissionRequest and Authorizer, organized into CEL variables:
  //
  // 'object' - The object from the incoming request. The value is null for DELETE requests.
  // 'oldObject' - The existing object. The value is null for CREATE requests.
  // 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).

* For admission webhooks registered for DELETE operations on k8s built APIs or CRDs, the apiserver now sends the existing object as admissionRequest.Request.OldObject to the webhook.  ([#76346](https://github.com/kubernetes/kubernetes/pull/76346), [@caesarxuchao](https://github.com/caesarxuchao))

    * `admission/v1alpha1#AdmissionReview` now contains `AdmissionRequest` and `AdmissionResponse`. `AdmissionResponse` includes a `Patch` field to allow mutating webhooks to send json patch to the apiserver.