Deprecate and remove use of alpha metadata.initializers field, remove IncludeUninitialized options

pkg/kubeapiserver/admission/util/BUILD

@@ -1,30 +0,0 @@
-package(default_visibility = ["//visibility:public"])
-
-load(
-    "@io_bazel_rules_go//go:def.bzl",
-    "go_library",
-)
-
-go_library(
-    name = "go_default_library",
-    srcs = ["initializer.go"],
-    importpath = "k8s.io/kubernetes/pkg/kubeapiserver/admission/util",
-    deps = [
-        "//staging/src/k8s.io/apimachinery/pkg/api/meta:go_default_library",
-        "//staging/src/k8s.io/apimachinery/pkg/util/initialization:go_default_library",
-        "//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",
-    ],
-)
-
-filegroup(
-    name = "package-srcs",
-    srcs = glob(["**"]),
-    tags = ["automanaged"],
-    visibility = ["//visibility:private"],
-)
-
-filegroup(
-    name = "all-srcs",
-    srcs = [":package-srcs"],
-    tags = ["automanaged"],
-)

pkg/kubeapiserver/admission/util/initializer.go

@@ -1,79 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package util
-
-import (
-	"k8s.io/apimachinery/pkg/api/meta"
-	"k8s.io/apimachinery/pkg/util/initialization"
-	"k8s.io/apiserver/pkg/admission"
-)
-
-// IsUpdatingInitializedObject returns true if the operation is trying to update
-// an already initialized object.
-func IsUpdatingInitializedObject(a admission.Attributes) (bool, error) {
-	if a.GetOperation() != admission.Update {
-		return false, nil
-	}
-	oldObj := a.GetOldObject()
-	accessor, err := meta.Accessor(oldObj)
-	if err != nil {
-		return false, err
-	}
-	if initialization.IsInitialized(accessor.GetInitializers()) {
-		return true, nil
-	}
-	return false, nil
-}
-
-// IsUpdatingUninitializedObject returns true if the operation is trying to
-// update an object that is not initialized yet.
-func IsUpdatingUninitializedObject(a admission.Attributes) (bool, error) {
-	if a.GetOperation() != admission.Update {
-		return false, nil
-	}
-	oldObj := a.GetOldObject()
-	accessor, err := meta.Accessor(oldObj)
-	if err != nil {
-		return false, err
-	}
-	if initialization.IsInitialized(accessor.GetInitializers()) {
-		return false, nil
-	}
-	return true, nil
-}
-
-// IsInitializationCompletion returns true if the operation removes all pending
-// initializers.
-func IsInitializationCompletion(a admission.Attributes) (bool, error) {
-	if a.GetOperation() != admission.Update {
-		return false, nil
-	}
-	oldObj := a.GetOldObject()
-	oldInitialized, err := initialization.IsObjectInitialized(oldObj)
-	if err != nil {
-		return false, err
-	}
-	if oldInitialized {
-		return false, nil
-	}
-	newObj := a.GetObject()
-	newInitialized, err := initialization.IsObjectInitialized(newObj)
-	if err != nil {
-		return false, err
-	}
-	return newInitialized, nil
-}