create an instance of registry and scheme for kubectl

pkg/kubectl/scheme/BUILD

+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "install.go",
+        "scheme.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/kubectl/scheme",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//vendor/k8s.io/api/admission/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/admissionregistration/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/apps/v1:go_default_library",
+        "//vendor/k8s.io/api/apps/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/apps/v1beta2:go_default_library",
+        "//vendor/k8s.io/api/authentication/v1:go_default_library",
+        "//vendor/k8s.io/api/authentication/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/authorization/v1:go_default_library",
+        "//vendor/k8s.io/api/authorization/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/autoscaling/v1:go_default_library",
+        "//vendor/k8s.io/api/autoscaling/v2beta1:go_default_library",
+        "//vendor/k8s.io/api/batch/v1:go_default_library",
+        "//vendor/k8s.io/api/batch/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/batch/v2alpha1:go_default_library",
+        "//vendor/k8s.io/api/certificates/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/core/v1:go_default_library",
+        "//vendor/k8s.io/api/extensions/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/imagepolicy/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/networking/v1:go_default_library",
+        "//vendor/k8s.io/api/policy/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/rbac/v1:go_default_library",
+        "//vendor/k8s.io/api/rbac/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/rbac/v1beta1:go_default_library",
+        "//vendor/k8s.io/api/scheduling/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/settings/v1alpha1:go_default_library",
+        "//vendor/k8s.io/api/storage/v1:go_default_library",
+        "//vendor/k8s.io/api/storage/v1beta1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apimachinery/announced:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apimachinery/registered:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/util/sets:go_default_library",
+        "//vendor/k8s.io/client-go/kubernetes/scheme:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

pkg/kubectl/scheme/install.go

+/*
+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 scheme
+
+import (
+	admissionv1alpha1 "k8s.io/api/admission/v1alpha1"
+	admissionregistrationv1alpha1 "k8s.io/api/admissionregistration/v1alpha1"
+	appsv1 "k8s.io/api/apps/v1"
+	appsv1beta1 "k8s.io/api/apps/v1beta1"
+	appsv1beta2 "k8s.io/api/apps/v1beta2"
+	authenticationv1 "k8s.io/api/authentication/v1"
+	authenticationv1beta1 "k8s.io/api/authentication/v1beta1"
+	authorizationv1 "k8s.io/api/authorization/v1"
+	authorizationv1beta1 "k8s.io/api/authorization/v1beta1"
+	autoscalingv1 "k8s.io/api/autoscaling/v1"
+	autoscalingv2beta1 "k8s.io/api/autoscaling/v2beta1"
+	batchv1 "k8s.io/api/batch/v1"
+	batchv1beta1 "k8s.io/api/batch/v1beta1"
+	batchv2alpha1 "k8s.io/api/batch/v2alpha1"
+	certificatesv1beta1 "k8s.io/api/certificates/v1beta1"
+	corev1 "k8s.io/api/core/v1"
+	extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
+	imagepolicyv1alpha1 "k8s.io/api/imagepolicy/v1alpha1"
+	networkingv1 "k8s.io/api/networking/v1"
+	policyv1beta1 "k8s.io/api/policy/v1beta1"
+	rbacv1 "k8s.io/api/rbac/v1"
+	rbacv1alpha1 "k8s.io/api/rbac/v1alpha1"
+	rbacv1beta1 "k8s.io/api/rbac/v1beta1"
+	schedulingv1alpha1 "k8s.io/api/scheduling/v1alpha1"
+	settingsv1alpha1 "k8s.io/api/settings/v1alpha1"
+	storagev1 "k8s.io/api/storage/v1"
+	storagev1beta1 "k8s.io/api/storage/v1beta1"
+	"k8s.io/apimachinery/pkg/apimachinery/announced"
+	"k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/util/sets"
+	"k8s.io/client-go/kubernetes/scheme"
+)
+
+// Register all groups in the kubectl's registry, but no componentconfig group since it's not in k8s.io/api
+// The code in this file mostly duplicate the install under k8s.io/kubernetes/pkg/api and k8s.io/kubernetes/pkg/apis,
+// but does NOT register the internal types.
+func init() {
+	// Register external types for Scheme
+	v1.AddToGroupVersion(Scheme, schema.GroupVersion{Version: "v1"})
+	scheme.AddToScheme(Scheme)
+
+	// Register external types for Registry
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              corev1.GroupName,
+			VersionPreferenceOrder: []string{corev1.SchemeGroupVersion.Version},
+			RootScopedKinds: sets.NewString(
+				"Node",
+				"Namespace",
+				"PersistentVolume",
+				"ComponentStatus",
+			),
+			IgnoredKinds: sets.NewString(
+				"ListOptions",
+				"DeleteOptions",
+				"Status",
+				"PodLogOptions",
+				"PodExecOptions",
+				"PodAttachOptions",
+				"PodPortForwardOptions",
+				"PodProxyOptions",
+				"NodeProxyOptions",
+				"ServiceProxyOptions",
+				"ThirdPartyResource",
+				"ThirdPartyResourceData",
+				"ThirdPartyResourceList",
+			),
+		},
+		announced.VersionToSchemeFunc{
+			corev1.SchemeGroupVersion.Version: corev1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              admissionv1alpha1.GroupName,
+			VersionPreferenceOrder: []string{admissionv1alpha1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("AdmissionReview"),
+		},
+		announced.VersionToSchemeFunc{
+			admissionv1alpha1.SchemeGroupVersion.Version: admissionv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              admissionregistrationv1alpha1.GroupName,
+			RootScopedKinds:        sets.NewString("InitializerConfiguration", "ExternalAdmissionHookConfiguration"),
+			VersionPreferenceOrder: []string{admissionregistrationv1alpha1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			admissionregistrationv1alpha1.SchemeGroupVersion.Version: admissionregistrationv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              appsv1.GroupName,
+			VersionPreferenceOrder: []string{appsv1beta1.SchemeGroupVersion.Version, appsv1beta2.SchemeGroupVersion.Version, appsv1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			appsv1beta1.SchemeGroupVersion.Version: appsv1beta1.AddToScheme,
+			appsv1beta2.SchemeGroupVersion.Version: appsv1beta2.AddToScheme,
+			appsv1.SchemeGroupVersion.Version:      appsv1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              authenticationv1beta1.GroupName,
+			VersionPreferenceOrder: []string{authenticationv1.SchemeGroupVersion.Version, authenticationv1beta1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("TokenReview"),
+		},
+		announced.VersionToSchemeFunc{
+			authenticationv1beta1.SchemeGroupVersion.Version: authenticationv1beta1.AddToScheme,
+			authenticationv1.SchemeGroupVersion.Version:      authenticationv1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              authorizationv1.GroupName,
+			VersionPreferenceOrder: []string{authorizationv1.SchemeGroupVersion.Version, authorizationv1beta1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("SubjectAccessReview", "SelfSubjectAccessReview", "SelfSubjectRulesReview"),
+		},
+		announced.VersionToSchemeFunc{
+			authorizationv1beta1.SchemeGroupVersion.Version: authorizationv1beta1.AddToScheme,
+			authorizationv1.SchemeGroupVersion.Version:      authorizationv1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              autoscalingv1.GroupName,
+			VersionPreferenceOrder: []string{autoscalingv1.SchemeGroupVersion.Version, autoscalingv2beta1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			autoscalingv1.SchemeGroupVersion.Version:      autoscalingv1.AddToScheme,
+			autoscalingv2beta1.SchemeGroupVersion.Version: autoscalingv2beta1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              batchv1.GroupName,
+			VersionPreferenceOrder: []string{batchv1.SchemeGroupVersion.Version, batchv1beta1.SchemeGroupVersion.Version, batchv2alpha1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			batchv1.SchemeGroupVersion.Version:       batchv1.AddToScheme,
+			batchv1beta1.SchemeGroupVersion.Version:  batchv1beta1.AddToScheme,
+			batchv2alpha1.SchemeGroupVersion.Version: batchv2alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              certificatesv1beta1.GroupName,
+			VersionPreferenceOrder: []string{certificatesv1beta1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("CertificateSigningRequest"),
+		},
+		announced.VersionToSchemeFunc{
+			certificatesv1beta1.SchemeGroupVersion.Version: certificatesv1beta1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              extensionsv1beta1.GroupName,
+			VersionPreferenceOrder: []string{extensionsv1beta1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("PodSecurityPolicy", "ThirdPartyResource"),
+		},
+		announced.VersionToSchemeFunc{
+			extensionsv1beta1.SchemeGroupVersion.Version: extensionsv1beta1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              imagepolicyv1alpha1.GroupName,
+			VersionPreferenceOrder: []string{imagepolicyv1alpha1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("ImageReview"),
+		},
+		announced.VersionToSchemeFunc{
+			imagepolicyv1alpha1.SchemeGroupVersion.Version: imagepolicyv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              networkingv1.GroupName,
+			VersionPreferenceOrder: []string{networkingv1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			networkingv1.SchemeGroupVersion.Version: networkingv1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              policyv1beta1.GroupName,
+			VersionPreferenceOrder: []string{policyv1beta1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			policyv1beta1.SchemeGroupVersion.Version: policyv1beta1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              rbacv1.GroupName,
+			VersionPreferenceOrder: []string{rbacv1.SchemeGroupVersion.Version, rbacv1beta1.SchemeGroupVersion.Version, rbacv1alpha1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("ClusterRole", "ClusterRoleBinding"),
+		},
+		announced.VersionToSchemeFunc{
+			rbacv1.SchemeGroupVersion.Version:       rbacv1.AddToScheme,
+			rbacv1beta1.SchemeGroupVersion.Version:  rbacv1beta1.AddToScheme,
+			rbacv1alpha1.SchemeGroupVersion.Version: rbacv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              schedulingv1alpha1.GroupName,
+			VersionPreferenceOrder: []string{schedulingv1alpha1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("PriorityClass"),
+		},
+		announced.VersionToSchemeFunc{
+			schedulingv1alpha1.SchemeGroupVersion.Version: schedulingv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              settingsv1alpha1.GroupName,
+			VersionPreferenceOrder: []string{settingsv1alpha1.SchemeGroupVersion.Version},
+		},
+		announced.VersionToSchemeFunc{
+			settingsv1alpha1.SchemeGroupVersion.Version: settingsv1alpha1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+
+	if err := announced.NewGroupMetaFactory(
+		&announced.GroupMetaFactoryArgs{
+			GroupName:              storagev1.GroupName,
+			VersionPreferenceOrder: []string{storagev1.SchemeGroupVersion.Version, storagev1beta1.SchemeGroupVersion.Version},
+			RootScopedKinds:        sets.NewString("StorageClass"),
+		},
+		announced.VersionToSchemeFunc{
+			storagev1.SchemeGroupVersion.Version:      storagev1.AddToScheme,
+			storagev1beta1.SchemeGroupVersion.Version: storagev1beta1.AddToScheme,
+		},
+	).Announce(GroupFactoryRegistry).RegisterAndEnable(Registry, Scheme); err != nil {
+		panic(err)
+	}
+}

pkg/kubectl/scheme/scheme.go

+/*
+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 scheme
+
+import (
+	"os"
+
+	"k8s.io/apimachinery/pkg/apimachinery/announced"
+	"k8s.io/apimachinery/pkg/apimachinery/registered"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+)
+
+// All kubectl code should eventually switch to use this Registry and Scheme instead of the global ones.
+
+// GroupFactoryRegistry is the APIGroupFactoryRegistry (overlaps a bit with Registry, see comments in package for details)
+var GroupFactoryRegistry = make(announced.APIGroupFactoryRegistry)
+
+// Registry is an instance of an API registry.
+var Registry = registered.NewOrDie(os.Getenv("KUBE_API_VERSIONS"))
+
+// Scheme is the default instance of runtime.Scheme to which types in the Kubernetes API are already registered.
+var Scheme = runtime.NewScheme()
+
+// Codecs provides access to encoding and decoding for the scheme
+var Codecs = serializer.NewCodecFactory(Scheme)
+
+// ParameterCodec handles versioning of objects that are converted to query parameters.
+var ParameterCodec = runtime.NewParameterCodec(Scheme)