Migrate RuntimeClass to internal API

build/kazel_generated.bzl

@@ -63,6 +63,7 @@ tags_values_pkgs = {"openapi-gen": {
         "staging/src/k8s.io/api/imagepolicy/v1alpha1",
         "staging/src/k8s.io/api/networking/v1",
         "staging/src/k8s.io/api/networking/v1beta1",
+        "staging/src/k8s.io/api/node/v1alpha1",
         "staging/src/k8s.io/api/policy/v1beta1",
         "staging/src/k8s.io/api/rbac/v1",
         "staging/src/k8s.io/api/rbac/v1alpha1",
@@ -138,6 +139,7 @@ tags_pkgs_values = {"openapi-gen": {
     "staging/src/k8s.io/api/imagepolicy/v1alpha1": ["true"],
     "staging/src/k8s.io/api/networking/v1": ["true"],
     "staging/src/k8s.io/api/networking/v1beta1": ["true"],
+    "staging/src/k8s.io/api/node/v1alpha1": ["true"],
     "staging/src/k8s.io/api/policy/v1beta1": ["true"],
     "staging/src/k8s.io/api/rbac/v1": ["true"],
     "staging/src/k8s.io/api/rbac/v1alpha1": ["true"],

cluster/gce/gci/configure-helper.sh

@@ -773,6 +773,7 @@ function create-master-audit-policy {
       - group: "extensions"
       - group: "metrics.k8s.io"
       - group: "networking.k8s.io"
+      - group: "node.k8s.io"
       - group: "policy"
       - group: "rbac.authorization.k8s.io"
       - group: "scheduling.k8s.io"
@@ -1747,6 +1748,9 @@ function start-kube-apiserver {
   if [[ -n "${FEATURE_GATES:-}" ]]; then
     params+=" --feature-gates=${FEATURE_GATES}"
   fi
+  if [[ "${FEATURE_GATES:-}" =~ "RuntimeClass=true" ]]; then
+    params+=" --runtime-config=node.k8s.io/v1alpha1=true"
+  fi
   if [[ -n "${MASTER_ADVERTISE_ADDRESS:-}" ]]; then
     params+=" --advertise-address=${MASTER_ADVERTISE_ADDRESS}"
     if [[ -n "${PROXY_SSH_USER:-}" ]]; then
@@ -2690,9 +2694,6 @@ EOF
       setup-addon-manifests "addons" "istio/noauth"
     fi
   fi
-  if [[ "${FEATURE_GATES:-}" =~ "RuntimeClass=true" ]]; then
-    setup-addon-manifests "addons" "runtimeclass"
-  fi
   if [[ -n "${EXTRA_ADDONS_URL:-}" ]]; then
     download-extra-addons
     setup-addon-manifests "addons" "gce-extras"

cmd/kube-apiserver/app/aggregator.go

@@ -276,6 +276,7 @@ var apiVersionPriorities = map[schema.GroupVersion]priority{
 	{Group: "coordination.k8s.io", Version: "v1"}:               {group: 16500, version: 15},
 	{Group: "coordination.k8s.io", Version: "v1beta1"}:          {group: 16500, version: 9},
 	{Group: "auditregistration.k8s.io", Version: "v1alpha1"}:    {group: 16400, version: 1},
+	{Group: "node.k8s.io", Version: "v1alpha1"}:                 {group: 16300, version: 9},
 	// Append a new group to the end of the list if unsure.
 	// You can use min(existing group)-100 as the initial value for a group.
 	// Version can be set to 9 (to have space around) for a new group.

hack/.golint_failures

@@ -279,6 +279,7 @@ pkg/registry/extensions/controller/storage
 pkg/registry/extensions/rest
 pkg/registry/networking/networkpolicy/storage
 pkg/registry/networking/rest
+pkg/registry/node/rest
 pkg/registry/policy/poddisruptionbudget/storage
 pkg/registry/policy/rest
 pkg/registry/rbac/clusterrole

hack/lib/init.sh

@@ -80,6 +80,7 @@ events.k8s.io/v1beta1 \
 imagepolicy.k8s.io/v1alpha1 \
 networking.k8s.io/v1 \
 networking.k8s.io/v1beta1 \
+node.k8s.io/v1alpha1 \
 policy/v1beta1 \
 rbac.authorization.k8s.io/v1 \
 rbac.authorization.k8s.io/v1beta1 \

pkg/BUILD

@@ -44,6 +44,7 @@ filegroup(
         "//pkg/apis/extensions:all-srcs",
         "//pkg/apis/imagepolicy:all-srcs",
         "//pkg/apis/networking:all-srcs",
+        "//pkg/apis/node:all-srcs",
         "//pkg/apis/policy:all-srcs",
         "//pkg/apis/rbac:all-srcs",
         "//pkg/apis/scheduling:all-srcs",

pkg/api/testapi/BUILD

@@ -41,6 +41,8 @@ go_library(
         "//pkg/apis/imagepolicy/install:go_default_library",
         "//pkg/apis/networking:go_default_library",
         "//pkg/apis/networking/install:go_default_library",
+        "//pkg/apis/node:go_default_library",
+        "//pkg/apis/node/install:go_default_library",
         "//pkg/apis/policy:go_default_library",
         "//pkg/apis/policy/install:go_default_library",
         "//pkg/apis/rbac:go_default_library",

pkg/api/testapi/testapi.go

@@ -48,6 +48,7 @@ import (
 	"k8s.io/kubernetes/pkg/apis/extensions"
 	"k8s.io/kubernetes/pkg/apis/imagepolicy"
 	"k8s.io/kubernetes/pkg/apis/networking"
+	"k8s.io/kubernetes/pkg/apis/node"
 	"k8s.io/kubernetes/pkg/apis/policy"
 	"k8s.io/kubernetes/pkg/apis/rbac"
 	"k8s.io/kubernetes/pkg/apis/scheduling"
@@ -70,6 +71,7 @@ import (
 	_ "k8s.io/kubernetes/pkg/apis/extensions/install"
 	_ "k8s.io/kubernetes/pkg/apis/imagepolicy/install"
 	_ "k8s.io/kubernetes/pkg/apis/networking/install"
+	_ "k8s.io/kubernetes/pkg/apis/node/install"
 	_ "k8s.io/kubernetes/pkg/apis/policy/install"
 	_ "k8s.io/kubernetes/pkg/apis/rbac/install"
 	_ "k8s.io/kubernetes/pkg/apis/scheduling/install"
@@ -257,6 +259,12 @@ func init() {
 			externalGroupVersion: externalGroupVersion,
 		}
 	}
+	if _, ok := Groups[node.GroupName]; !ok {
+		externalGroupVersion := schema.GroupVersion{Group: node.GroupName, Version: legacyscheme.Scheme.PrioritizedVersionsForGroup(node.GroupName)[0].Version}
+		Groups[node.GroupName] = TestGroup{
+			externalGroupVersion: externalGroupVersion,
+		}
+	}
 	if _, ok := Groups[events.GroupName]; !ok {
 		externalGroupVersion := schema.GroupVersion{Group: events.GroupName, Version: legacyscheme.Scheme.PrioritizedVersionsForGroup(events.GroupName)[0].Version}
 		Groups[events.GroupName] = TestGroup{

pkg/apis/node/BUILD

@@ -0,0 +1,36 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "doc.go",
+        "register.go",
+        "types.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/apis/node",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//pkg/apis/node/install:all-srcs",
+        "//pkg/apis/node/v1alpha1:all-srcs",
+        "//pkg/apis/node/validation:all-srcs",
+    ],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

pkg/apis/node/doc.go

@@ -0,0 +1,20 @@
+/*
+Copyright 2019 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.
+*/
+
+// +k8s:deepcopy-gen=package
+// +groupName=node.k8s.io
+
+package node // import "k8s.io/kubernetes/pkg/apis/node"

pkg/apis/node/install/BUILD

@@ -0,0 +1,29 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["install.go"],
+    importpath = "k8s.io/kubernetes/pkg/apis/node/install",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/api/legacyscheme:go_default_library",
+        "//pkg/apis/node:go_default_library",
+        "//pkg/apis/node/v1alpha1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/util/runtime: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/apis/node/install/install.go

@@ -0,0 +1,38 @@
+/*
+Copyright 2019 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 install adds the node API group, making it available as
+// an option to all of the API encoding/decoding machinery.
+package install
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	"k8s.io/kubernetes/pkg/apis/node"
+	"k8s.io/kubernetes/pkg/apis/node/v1alpha1"
+)
+
+func init() {
+	Install(legacyscheme.Scheme)
+}
+
+// Install registers the API group and adds types to a scheme
+func Install(scheme *runtime.Scheme) {
+	utilruntime.Must(node.AddToScheme(scheme))
+	utilruntime.Must(v1alpha1.AddToScheme(scheme))
+	utilruntime.Must(scheme.SetVersionPriority(v1alpha1.SchemeGroupVersion))
+}

pkg/apis/node/register.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2018 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 node
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName is the group name use in this package
+const GroupName = "node.k8s.io"
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: runtime.APIVersionInternal}
+
+// Kind takes an unqualified kind and returns a Group qualified GroupKind
+func Kind(kind string) schema.GroupKind {
+	return SchemeGroupVersion.WithKind(kind).GroupKind()
+}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	// SchemeBuilder for node api registration.
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	// AddToScheme for node api registration.
+	AddToScheme = SchemeBuilder.AddToScheme
+)
+
+// Adds the list of known types to api.Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&RuntimeClass{},
+		&RuntimeClassList{},
+	)
+	return nil
+}

pkg/apis/node/types.go

@@ -0,0 +1,60 @@
+/*
+Copyright 2018 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 node
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// RuntimeClass defines a class of container runtime supported in the cluster.
+// The RuntimeClass is used to determine which container runtime is used to run
+// all containers in a pod. RuntimeClasses are (currently) manually defined by a
+// user or cluster provisioner, and referenced in the PodSpec. The Kubelet is
+// responsible for resolving the RuntimeClassName reference before running the
+// pod.  For more details, see
+// https://git.k8s.io/enhancements/keps/sig-node/runtime-class.md
+type RuntimeClass struct {
+	metav1.TypeMeta
+	// +optional
+	metav1.ObjectMeta
+
+	// Handler specifies the underlying runtime and configuration that the CRI
+	// implementation will use to handle pods of this class. The possible values
+	// are specific to the node & CRI configuration.  It is assumed that all
+	// handlers are available on every node, and handlers of the same name are
+	// equivalent on every node.
+	// For example, a handler called "runc" might specify that the runc OCI
+	// runtime (using native Linux containers) will be used to run the containers
+	// in a pod.
+	// The Handler must conform to the DNS Label (RFC 1123) requirements, and is
+	// immutable.
+	Handler string
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// RuntimeClassList is a list of RuntimeClass objects.
+type RuntimeClassList struct {
+	metav1.TypeMeta
+	// +optional
+	metav1.ListMeta
+
+	// Items is a list of schema objects.
+	Items []RuntimeClass
+}

pkg/apis/node/v1alpha1/BUILD

@@ -0,0 +1,46 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "conversion.go",
+        "doc.go",
+        "register.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/apis/node/v1alpha1",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/node:go_default_library",
+        "//staging/src/k8s.io/api/node/v1alpha1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/conversion:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime/schema: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"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["conversion_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "//pkg/apis/node:go_default_library",
+        "//staging/src/k8s.io/api/node/v1alpha1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/github.com/stretchr/testify/assert:go_default_library",
+        "//vendor/github.com/stretchr/testify/require:go_default_library",
+    ],
+)

pkg/apis/node/v1alpha1/conversion.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2019 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 v1alpha1
+
+import (
+	v1alpha1 "k8s.io/api/node/v1alpha1"
+	conversion "k8s.io/apimachinery/pkg/conversion"
+	runtime "k8s.io/apimachinery/pkg/runtime"
+	node "k8s.io/kubernetes/pkg/apis/node"
+)
+
+func addConversionFuncs(s *runtime.Scheme) error {
+	return s.AddConversionFuncs(
+		Convert_v1alpha1_RuntimeClass_To_node_RuntimeClass,
+		Convert_node_RuntimeClass_To_v1alpha1_RuntimeClass,
+	)
+}
+
+func Convert_v1alpha1_RuntimeClass_To_node_RuntimeClass(in *v1alpha1.RuntimeClass, out *node.RuntimeClass, s conversion.Scope) error {
+	out.ObjectMeta = in.ObjectMeta
+	out.Handler = in.Spec.RuntimeHandler
+	return nil
+}
+
+func Convert_node_RuntimeClass_To_v1alpha1_RuntimeClass(in *node.RuntimeClass, out *v1alpha1.RuntimeClass, s conversion.Scope) error {
+	out.ObjectMeta = in.ObjectMeta
+	out.Spec.RuntimeHandler = in.Handler
+	return nil
+}

pkg/apis/node/v1alpha1/conversion_test.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2019 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 v1alpha1
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	v1alpha1 "k8s.io/api/node/v1alpha1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	node "k8s.io/kubernetes/pkg/apis/node"
+)
+
+func TestRuntimeClassConversion(t *testing.T) {
+	const (
+		name    = "puppy"
+		handler = "heidi"
+	)
+	internalRC := node.RuntimeClass{
+		ObjectMeta: metav1.ObjectMeta{Name: name},
+		Handler:    handler,
+	}
+	v1alpha1RC := v1alpha1.RuntimeClass{
+		ObjectMeta: metav1.ObjectMeta{Name: name},
+		Spec: v1alpha1.RuntimeClassSpec{
+			RuntimeHandler: handler,
+		},
+	}
+
+	convertedInternal := node.RuntimeClass{}
+	require.NoError(t,
+		Convert_v1alpha1_RuntimeClass_To_node_RuntimeClass(&v1alpha1RC, &convertedInternal, nil))
+	assert.Equal(t, internalRC, convertedInternal)
+
+	convertedV1alpha1 := v1alpha1.RuntimeClass{}
+	require.NoError(t,
+		Convert_node_RuntimeClass_To_v1alpha1_RuntimeClass(&internalRC, &convertedV1alpha1, nil))
+	assert.Equal(t, v1alpha1RC, convertedV1alpha1)
+}

pkg/apis/node/v1alpha1/doc.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2019 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.
+*/
+
+// +k8s:conversion-gen=k8s.io/kubernetes/pkg/apis/node
+// +k8s:conversion-gen-external-types=k8s.io/api/node/v1alpha1
+
+// +groupName=node.k8s.io
+
+package v1alpha1 // import "k8s.io/kubernetes/pkg/apis/node/v1alpha1"

pkg/apis/node/v1alpha1/register.go

@@ -0,0 +1,46 @@
+/*
+Copyright 2019 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 v1alpha1
+
+import (
+	nodev1alpha1 "k8s.io/api/node/v1alpha1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName for node API
+const GroupName = "node.k8s.io"
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	localSchemeBuilder = &nodev1alpha1.SchemeBuilder
+	// AddToScheme node API registration
+	AddToScheme = localSchemeBuilder.AddToScheme
+)
+
+func init() {
+	// We only register manually written functions here. The registration of the
+	// generated functions takes place in the generated files. The separation
+	// makes the code compile even when the generated files are missing.
+	localSchemeBuilder.Register(addConversionFuncs)
+}

pkg/apis/node/validation/BUILD

@@ -0,0 +1,38 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["validation.go"],
+    importpath = "k8s.io/kubernetes/pkg/apis/node/validation",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/node:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/api/validation:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["validation_test.go"],
+    embed = [":go_default_library"],
+    deps = [
+        "//pkg/apis/node:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/github.com/stretchr/testify/assert: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/apis/node/validation/validation.go

@@ -0,0 +1,43 @@
+/*
+Copyright 2019 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 validation
+
+import (
+	apivalidation "k8s.io/apimachinery/pkg/api/validation"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/kubernetes/pkg/apis/node"
+)
+
+// ValidateRuntimeClass validates the RuntimeClass
+func ValidateRuntimeClass(rc *node.RuntimeClass) field.ErrorList {
+	allErrs := apivalidation.ValidateObjectMeta(&rc.ObjectMeta, false, apivalidation.NameIsDNSSubdomain, field.NewPath("metadata"))
+
+	for _, msg := range apivalidation.NameIsDNSLabel(rc.Handler, false) {
+		allErrs = append(allErrs, field.Invalid(field.NewPath("handler"), rc.Handler, msg))
+	}
+
+	return allErrs
+}
+
+// ValidateRuntimeClassUpdate validates an update to the object
+func ValidateRuntimeClassUpdate(new, old *node.RuntimeClass) field.ErrorList {
+	allErrs := apivalidation.ValidateObjectMetaUpdate(&new.ObjectMeta, &old.ObjectMeta, field.NewPath("metadata"))
+
+	allErrs = append(allErrs, apivalidation.ValidateImmutableField(new.Handler, old.Handler, field.NewPath("handler"))...)
+
+	return allErrs
+}

pkg/apis/node/validation/validation_test.go

@@ -0,0 +1,128 @@
+/*
+Copyright 2018 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 validation
+
+import (
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/kubernetes/pkg/apis/node"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestValidateRuntimeClass(t *testing.T) {
+	tests := []struct {
+		name        string
+		rc          node.RuntimeClass
+		expectError bool
+	}{{
+		name:        "invalid name",
+		expectError: true,
+		rc: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{Name: "&!@#"},
+			Handler:    "foo",
+		},
+	}, {
+		name:        "invalid Handler name",
+		expectError: true,
+		rc: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{Name: "foo"},
+			Handler:    "&@#$",
+		},
+	}, {
+		name:        "invalid empty RuntimeClass",
+		expectError: true,
+		rc: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{Name: "empty"},
+		},
+	}, {
+		name:        "valid Handler",
+		expectError: false,
+		rc: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{Name: "foo"},
+			Handler:    "bar-baz",
+		},
+	}}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			errs := ValidateRuntimeClass(&test.rc)
+			if test.expectError {
+				assert.NotEmpty(t, errs)
+			} else {
+				assert.Empty(t, errs)
+			}
+		})
+	}
+}
+
+func TestValidateRuntimeUpdate(t *testing.T) {
+	old := node.RuntimeClass{
+		ObjectMeta: metav1.ObjectMeta{Name: "foo"},
+		Handler:    "bar",
+	}
+	tests := []struct {
+		name        string
+		expectError bool
+		old, new    node.RuntimeClass
+	}{{
+		name: "valid metadata update",
+		old:  old,
+		new: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{
+				Name:   "foo",
+				Labels: map[string]string{"foo": "bar"},
+			},
+			Handler: "bar",
+		},
+	}, {
+		name:        "invalid metadata update",
+		expectError: true,
+		old:         old,
+		new: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{
+				Name:        "empty",
+				ClusterName: "somethingelse", // immutable
+			},
+			Handler: "bar",
+		},
+	}, {
+		name:        "invalid Handler update",
+		expectError: true,
+		old:         old,
+		new: node.RuntimeClass{
+			ObjectMeta: metav1.ObjectMeta{Name: "foo"},
+			Handler:    "somethingelse",
+		},
+	}}
+
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			// So we don't need to write it in every test case...
+			test.old.ObjectMeta.ResourceVersion = "1"
+			test.new.ObjectMeta.ResourceVersion = "1"
+
+			errs := ValidateRuntimeClassUpdate(&test.new, &test.old)
+			if test.expectError {
+				assert.NotEmpty(t, errs)
+			} else {
+				assert.Empty(t, errs)
+			}
+		})
+	}
+}

pkg/master/BUILD

@@ -30,6 +30,7 @@ go_library(
         "//pkg/apis/extensions/install:go_default_library",
         "//pkg/apis/imagepolicy/install:go_default_library",
         "//pkg/apis/networking/install:go_default_library",
+        "//pkg/apis/node/install:go_default_library",
         "//pkg/apis/policy/install:go_default_library",
         "//pkg/apis/rbac/install:go_default_library",
         "//pkg/apis/scheduling/install:go_default_library",
@@ -57,6 +58,7 @@ go_library(
         "//pkg/registry/events/rest:go_default_library",
         "//pkg/registry/extensions/rest:go_default_library",
         "//pkg/registry/networking/rest:go_default_library",
+        "//pkg/registry/node/rest:go_default_library",
         "//pkg/registry/policy/rest:go_default_library",
         "//pkg/registry/rbac/rest:go_default_library",
         "//pkg/registry/scheduling/rest:go_default_library",
@@ -89,6 +91,7 @@ go_library(
         "//staging/src/k8s.io/api/extensions/v1beta1:go_default_library",
         "//staging/src/k8s.io/api/networking/v1:go_default_library",
         "//staging/src/k8s.io/api/networking/v1beta1:go_default_library",
+        "//staging/src/k8s.io/api/node/v1alpha1:go_default_library",
         "//staging/src/k8s.io/api/policy/v1beta1:go_default_library",
         "//staging/src/k8s.io/api/rbac/v1:go_default_library",
         "//staging/src/k8s.io/api/rbac/v1alpha1:go_default_library",

pkg/master/import_known_versions.go

@@ -33,6 +33,7 @@ import (
 	_ "k8s.io/kubernetes/pkg/apis/extensions/install"
 	_ "k8s.io/kubernetes/pkg/apis/imagepolicy/install"
 	_ "k8s.io/kubernetes/pkg/apis/networking/install"
+	_ "k8s.io/kubernetes/pkg/apis/node/install"
 	_ "k8s.io/kubernetes/pkg/apis/policy/install"
 	_ "k8s.io/kubernetes/pkg/apis/rbac/install"
 	_ "k8s.io/kubernetes/pkg/apis/scheduling/install"

pkg/master/master.go

@@ -47,6 +47,7 @@ import (
 	extensionsapiv1beta1 "k8s.io/api/extensions/v1beta1"
 	networkingapiv1 "k8s.io/api/networking/v1"
 	networkingapiv1beta1 "k8s.io/api/networking/v1beta1"
+	nodev1alpha1 "k8s.io/api/node/v1alpha1"
 	policyapiv1beta1 "k8s.io/api/policy/v1beta1"
 	rbacv1 "k8s.io/api/rbac/v1"
 	rbacv1alpha1 "k8s.io/api/rbac/v1alpha1"
@@ -94,6 +95,7 @@ import (
 	eventsrest "k8s.io/kubernetes/pkg/registry/events/rest"
 	extensionsrest "k8s.io/kubernetes/pkg/registry/extensions/rest"
 	networkingrest "k8s.io/kubernetes/pkg/registry/networking/rest"
+	noderest "k8s.io/kubernetes/pkg/registry/node/rest"
 	policyrest "k8s.io/kubernetes/pkg/registry/policy/rest"
 	rbacrest "k8s.io/kubernetes/pkg/registry/rbac/rest"
 	schedulingrest "k8s.io/kubernetes/pkg/registry/scheduling/rest"
@@ -345,6 +347,7 @@ func (c completedConfig) New(delegationTarget genericapiserver.DelegationTarget)
 		coordinationrest.RESTStorageProvider{},
 		extensionsrest.RESTStorageProvider{},
 		networkingrest.RESTStorageProvider{},
+		noderest.RESTStorageProvider{},
 		policyrest.RESTStorageProvider{},
 		rbacrest.RESTStorageProvider{Authorizer: c.GenericConfig.Authorization.Authorizer},
 		schedulingrest.RESTStorageProvider{},
@@ -524,6 +527,7 @@ func DefaultAPIResourceConfigSource() *serverstorage.ResourceConfig {
 	ret.DisableVersions(
 		auditregistrationv1alpha1.SchemeGroupVersion,
 		batchapiv2alpha1.SchemeGroupVersion,
+		nodev1alpha1.SchemeGroupVersion,
 		rbacv1alpha1.SchemeGroupVersion,
 		schedulingv1alpha1.SchemeGroupVersion,
 		settingsv1alpha1.SchemeGroupVersion,

pkg/registry/BUILD

@@ -76,6 +76,8 @@ filegroup(
         "//pkg/registry/networking/ingress:all-srcs",
         "//pkg/registry/networking/networkpolicy:all-srcs",
         "//pkg/registry/networking/rest:all-srcs",
+        "//pkg/registry/node/rest:all-srcs",
+        "//pkg/registry/node/runtimeclass:all-srcs",
         "//pkg/registry/policy/poddisruptionbudget:all-srcs",
         "//pkg/registry/policy/podsecuritypolicy:all-srcs",
         "//pkg/registry/policy/rest:all-srcs",

pkg/registry/node/rest/BUILD

@@ -0,0 +1,31 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["runtime_class.go"],
+    importpath = "k8s.io/kubernetes/pkg/registry/node/rest",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/api/legacyscheme:go_default_library",
+        "//pkg/registry/node/runtimeclass/storage:go_default_library",
+        "//staging/src/k8s.io/api/node/v1alpha1:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/registry/generic:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/registry/rest:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/server:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/server/storage: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/registry/node/rest/runtime_class.go

@@ -0,0 +1,53 @@
+/*
+Copyright 2019 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 rest
+
+import (
+	nodev1alpha1 "k8s.io/api/node/v1alpha1"
+	"k8s.io/apiserver/pkg/registry/generic"
+	"k8s.io/apiserver/pkg/registry/rest"
+	genericapiserver "k8s.io/apiserver/pkg/server"
+	serverstorage "k8s.io/apiserver/pkg/server/storage"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	runtimeclassstorage "k8s.io/kubernetes/pkg/registry/node/runtimeclass/storage"
+)
+
+// RESTStorageProvider is a REST storage provider for node.k8s.io
+type RESTStorageProvider struct{}
+
+// NewRESTStorage returns a RESTStorageProvider
+func (p RESTStorageProvider) NewRESTStorage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) (genericapiserver.APIGroupInfo, bool) {
+	apiGroupInfo := genericapiserver.NewDefaultAPIGroupInfo(nodev1alpha1.GroupName, legacyscheme.Scheme, legacyscheme.ParameterCodec, legacyscheme.Codecs)
+
+	if apiResourceConfigSource.VersionEnabled(nodev1alpha1.SchemeGroupVersion) {
+		apiGroupInfo.VersionedResourcesStorageMap[nodev1alpha1.SchemeGroupVersion.Version] = p.v1alpha1Storage(apiResourceConfigSource, restOptionsGetter)
+	}
+	return apiGroupInfo, true
+}
+
+func (p RESTStorageProvider) v1alpha1Storage(apiResourceConfigSource serverstorage.APIResourceConfigSource, restOptionsGetter generic.RESTOptionsGetter) map[string]rest.Storage {
+	storage := map[string]rest.Storage{}
+	s := runtimeclassstorage.NewREST(restOptionsGetter)
+	storage["runtimeclasses"] = s
+
+	return storage
+}
+
+// GroupName is the group name for the storage provider
+func (p RESTStorageProvider) GroupName() string {
+	return nodev1alpha1.GroupName
+}

pkg/registry/node/runtimeclass/BUILD

@@ -0,0 +1,37 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "doc.go",
+        "strategy.go",
+    ],
+    importpath = "k8s.io/kubernetes/pkg/registry/node/runtimeclass",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/api/legacyscheme:go_default_library",
+        "//pkg/apis/node:go_default_library",
+        "//pkg/apis/node/validation:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/util/validation/field:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/registry/rest:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/storage/names:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//pkg/registry/node/runtimeclass/storage:all-srcs",
+    ],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

pkg/registry/node/runtimeclass/doc.go

@@ -0,0 +1,17 @@
+/*
+Copyright 2019 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 runtimeclass // import "k8s.io/kubernetes/pkg/registry/node/runtimeclass"

pkg/registry/node/runtimeclass/storage/BUILD

@@ -0,0 +1,29 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["storage.go"],
+    importpath = "k8s.io/kubernetes/pkg/registry/node/runtimeclass/storage",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//pkg/apis/node:go_default_library",
+        "//pkg/registry/node/runtimeclass:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/registry/generic:go_default_library",
+        "//staging/src/k8s.io/apiserver/pkg/registry/generic/registry: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/registry/node/runtimeclass/storage/storage.go

@@ -0,0 +1,51 @@
+/*
+Copyright 2019 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 storage
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apiserver/pkg/registry/generic"
+	genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
+	"k8s.io/kubernetes/pkg/apis/node"
+	"k8s.io/kubernetes/pkg/registry/node/runtimeclass"
+)
+
+// REST implements a RESTStorage for RuntimeClass against etcd
+type REST struct {
+	*genericregistry.Store
+}
+
+// NewREST returns a RESTStorage object that will work against runtime classes.
+func NewREST(optsGetter generic.RESTOptionsGetter) *REST {
+	store := &genericregistry.Store{
+		NewFunc:     func() runtime.Object { return &node.RuntimeClass{} },
+		NewListFunc: func() runtime.Object { return &node.RuntimeClassList{} },
+		ObjectNameFunc: func(obj runtime.Object) (string, error) {
+			return obj.(*node.RuntimeClass).Name, nil
+		},
+		DefaultQualifiedResource: node.Resource("runtimeclasses"),
+
+		CreateStrategy: runtimeclass.Strategy,
+		UpdateStrategy: runtimeclass.Strategy,
+		DeleteStrategy: runtimeclass.Strategy,
+	}
+	options := &generic.StoreOptions{RESTOptions: optsGetter}
+	if err := store.CompleteWithOptions(options); err != nil {
+		panic(err) // TODO: Propagate error up
+	}
+	return &REST{store}
+}

pkg/registry/node/runtimeclass/strategy.go

@@ -0,0 +1,95 @@
+/*
+Copyright 2019 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 runtimeclass
+
+import (
+	"context"
+
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/util/validation/field"
+	"k8s.io/apiserver/pkg/registry/rest"
+	"k8s.io/apiserver/pkg/storage/names"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	"k8s.io/kubernetes/pkg/apis/node"
+	"k8s.io/kubernetes/pkg/apis/node/validation"
+)
+
+// strategy implements verification logic for RuntimeClass.
+type strategy struct {
+	runtime.ObjectTyper
+	names.NameGenerator
+}
+
+// Strategy is the default logic that applies when creating and updating RuntimeClass objects.
+var Strategy = strategy{legacyscheme.Scheme, names.SimpleNameGenerator}
+
+// Strategy should implement rest.RESTCreateStrategy
+var _ rest.RESTCreateStrategy = Strategy
+
+// Strategy should implement rest.RESTUpdateStrategy
+var _ rest.RESTUpdateStrategy = Strategy
+
+// NamespaceScoped is false for RuntimeClasses
+func (strategy) NamespaceScoped() bool {
+	return false
+}
+
+// AllowCreateOnUpdate is true for RuntimeClasses.
+func (strategy) AllowCreateOnUpdate() bool {
+	return true
+}
+
+// PrepareForCreate clears fields that are not allowed to be set by end users
+// on creation.
+func (strategy) PrepareForCreate(ctx context.Context, obj runtime.Object) {
+	_ = obj.(*node.RuntimeClass)
+}
+
+// PrepareForUpdate clears fields that are not allowed to be set by end users on update.
+func (strategy) PrepareForUpdate(ctx context.Context, obj, old runtime.Object) {
+	newRuntimeClass := obj.(*node.RuntimeClass)
+	oldRuntimeClass := old.(*node.RuntimeClass)
+
+	_, _ = newRuntimeClass, oldRuntimeClass
+}
+
+// Validate validates a new RuntimeClass. Validation must check for a correct signature.
+func (strategy) Validate(ctx context.Context, obj runtime.Object) field.ErrorList {
+	runtimeClass := obj.(*node.RuntimeClass)
+	return validation.ValidateRuntimeClass(runtimeClass)
+}
+
+// Canonicalize normalizes the object after validation.
+func (strategy) Canonicalize(obj runtime.Object) {
+	_ = obj.(*node.RuntimeClass)
+}
+
+// ValidateUpdate is the default update validation for an end user.
+func (strategy) ValidateUpdate(ctx context.Context, obj, old runtime.Object) field.ErrorList {
+	newObj := obj.(*node.RuntimeClass)
+	errorList := validation.ValidateRuntimeClass(newObj)
+	return append(errorList, validation.ValidateRuntimeClassUpdate(newObj, old.(*node.RuntimeClass))...)
+}
+
+// If AllowUnconditionalUpdate() is true and the object specified by
+// the user does not have a resource version, then generic Update()
+// populates it with the latest version. Else, it checks that the
+// version specified by the user matches the version of latest etcd
+// object.
+func (strategy) AllowUnconditionalUpdate() bool {
+	return false
+}

staging/src/k8s.io/api/BUILD

@@ -82,6 +82,7 @@ filegroup(
         "//staging/src/k8s.io/api/imagepolicy/v1alpha1:all-srcs",
         "//staging/src/k8s.io/api/networking/v1:all-srcs",
         "//staging/src/k8s.io/api/networking/v1beta1:all-srcs",
+        "//staging/src/k8s.io/api/node/v1alpha1:all-srcs",
         "//staging/src/k8s.io/api/policy/v1beta1:all-srcs",
         "//staging/src/k8s.io/api/rbac/v1:all-srcs",
         "//staging/src/k8s.io/api/rbac/v1alpha1:all-srcs",

staging/src/k8s.io/api/node/OWNERS

@@ -0,0 +1,9 @@
+# See the OWNERS docs at https://go.k8s.io/owners
+
+# approval on api packages bubbles to api-approvers
+reviewers:
+- tallclair
+- dchen1107
+- derekwaynecarr
+labels:
+- sig/node

staging/src/k8s.io/api/node/v1alpha1/BUILD

@@ -0,0 +1,32 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "doc.go",
+        "register.go",
+        "types.go",
+    ],
+    importmap = "k8s.io/kubernetes/vendor/k8s.io/api/node/v1alpha1",
+    importpath = "k8s.io/api/node/v1alpha1",
+    visibility = ["//visibility:public"],
+    deps = [
+        "//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
+        "//staging/src/k8s.io/apimachinery/pkg/runtime/schema: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"],
+)

staging/src/k8s.io/api/node/v1alpha1/doc.go

@@ -0,0 +1,22 @@
+/*
+Copyright 2018 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.
+*/
+
+// +k8s:deepcopy-gen=package
+// +k8s:openapi-gen=true
+
+// +groupName=node.k8s.io
+
+package v1alpha1 // import "k8s.io/api/node/v1alpha1"

staging/src/k8s.io/api/node/v1alpha1/register.go

@@ -0,0 +1,52 @@
+/*
+Copyright 2018 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 v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+// GroupName is the group name use in this package
+const GroupName = "node.k8s.io"
+
+// SchemeGroupVersion is group version used to register these objects
+var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1alpha1"}
+
+// Resource takes an unqualified resource and returns a Group qualified GroupResource
+func Resource(resource string) schema.GroupResource {
+	return SchemeGroupVersion.WithResource(resource).GroupResource()
+}
+
+var (
+	// SchemeBuilder is the scheme builder with scheme init functions to run for this API package
+	SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
+	// AddToScheme is a common registration function for mapping packaged scoped group & version keys to a scheme
+	AddToScheme = SchemeBuilder.AddToScheme
+)
+
+// addKnownTypes adds the list of known types to api.Scheme.
+func addKnownTypes(scheme *runtime.Scheme) error {
+	scheme.AddKnownTypes(SchemeGroupVersion,
+		&RuntimeClass{},
+		&RuntimeClassList{},
+	)
+
+	metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
+	return nil
+}

staging/src/k8s.io/api/node/v1alpha1/types.go

@@ -0,0 +1,75 @@
+/*
+Copyright 2018 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 v1alpha1
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// +genclient
+// +genclient:nonNamespaced
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// RuntimeClass defines a class of container runtime supported in the cluster.
+// The RuntimeClass is used to determine which container runtime is used to run
+// all containers in a pod. RuntimeClasses are (currently) manually defined by a
+// user or cluster provisioner, and referenced in the PodSpec. The Kubelet is
+// responsible for resolving the RuntimeClassName reference before running the
+// pod.  For more details, see
+// https://git.k8s.io/enhancements/keps/sig-node/runtime-class.md
+type RuntimeClass struct {
+	metav1.TypeMeta `json:",inline"`
+	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+
+	// Specification of the RuntimeClass
+	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+	Spec RuntimeClassSpec `json:"spec" protobuf:"bytes,2,name=spec"`
+}
+
+// RuntimeClassSpec is a specification of a RuntimeClass. It contains parameters
+// that are required to describe the RuntimeClass to the Container Runtime
+// Interface (CRI) implementation, as well as any other components that need to
+// understand how the pod will be run. The RuntimeClassSpec is immutable.
+type RuntimeClassSpec struct {
+	// RuntimeHandler specifies the underlying runtime and configuration that the
+	// CRI implementation will use to handle pods of this class. The possible
+	// values are specific to the node & CRI configuration.  It is assumed that
+	// all handlers are available on every node, and handlers of the same name are
+	// equivalent on every node.
+	// For example, a handler called "runc" might specify that the runc OCI
+	// runtime (using native Linux containers) will be used to run the containers
+	// in a pod.
+	// The RuntimeHandler must conform to the DNS Label (RFC 1123) requirements
+	// and is immutable.
+	RuntimeHandler string `json:"runtimeHandler" protobuf:"bytes,1,opt,name=runtimeHandler"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// RuntimeClassList is a list of RuntimeClass objects.
+type RuntimeClassList struct {
+	metav1.TypeMeta `json:",inline"`
+	// Standard list metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+
+	// Items is a list of schema objects.
+	Items []RuntimeClass `json:"items" protobuf:"bytes,2,rep,name=items"`
+}