Convert kubelet plugin manager from gogo to protoc

Use standard protoc for the kubelet plugin manager instead of gogo.

Part of https://github.com/kubernetes/kubernetes/issues/96564

Signed-off-by: Sascha Grunert <sgrunert@redhat.com>

Kubernetes-commit: c889ee17a2f86e0357348b72c52bd36c7dbe8682

pkg/apis/pluginregistration/v1/api.proto

@@ -4,16 +4,6 @@ syntax = "proto3";
 package pluginregistration; // This should have been v1.
 option go_package = "k8s.io/kubelet/pkg/apis/pluginregistration/v1";
 
-import "github.com/gogo/protobuf/gogoproto/gogo.proto";
-
-option (gogoproto.goproto_stringer_all) = false;
-option (gogoproto.stringer_all) =  true;
-option (gogoproto.goproto_getters_all) = true;
-option (gogoproto.marshaler_all) = true;
-option (gogoproto.sizer_all) = true;
-option (gogoproto.unmarshaler_all) = true;
-option (gogoproto.goproto_unrecognized_all) = false;
-
 // PluginInfo is the message sent from a plugin to the Kubelet pluginwatcher for plugin registration
 message PluginInfo {
 	// Type of the Plugin. CSIPlugin or DevicePlugin

pkg/apis/pluginregistration/v1/api_grpc.pb.go

@@ -0,0 +1,181 @@
+/*
+Copyright 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.
+*/
+
+// To regenerate api.pb.go run `hack/update-codegen.sh protobindings`
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.5.1
+// - protoc             v4.23.4
+// source: staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1/api.proto
+
+package v1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	Registration_GetInfo_FullMethodName                  = "/pluginregistration.Registration/GetInfo"
+	Registration_NotifyRegistrationStatus_FullMethodName = "/pluginregistration.Registration/NotifyRegistrationStatus"
+)
+
+// RegistrationClient is the client API for Registration service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationClient interface {
+	GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error)
+	NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error)
+}
+
+type registrationClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewRegistrationClient(cc grpc.ClientConnInterface) RegistrationClient {
+	return &registrationClient{cc}
+}
+
+func (c *registrationClient) GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PluginInfo)
+	err := c.cc.Invoke(ctx, Registration_GetInfo_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *registrationClient) NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RegistrationStatusResponse)
+	err := c.cc.Invoke(ctx, Registration_NotifyRegistrationStatus_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// RegistrationServer is the server API for Registration service.
+// All implementations must embed UnimplementedRegistrationServer
+// for forward compatibility.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationServer interface {
+	GetInfo(context.Context, *InfoRequest) (*PluginInfo, error)
+	NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error)
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+// UnimplementedRegistrationServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedRegistrationServer struct{}
+
+func (UnimplementedRegistrationServer) GetInfo(context.Context, *InfoRequest) (*PluginInfo, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInfo not implemented")
+}
+func (UnimplementedRegistrationServer) NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method NotifyRegistrationStatus not implemented")
+}
+func (UnimplementedRegistrationServer) mustEmbedUnimplementedRegistrationServer() {}
+func (UnimplementedRegistrationServer) testEmbeddedByValue()                      {}
+
+// UnsafeRegistrationServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to RegistrationServer will
+// result in compilation errors.
+type UnsafeRegistrationServer interface {
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+func RegisterRegistrationServer(s grpc.ServiceRegistrar, srv RegistrationServer) {
+	// If the following call pancis, it indicates UnimplementedRegistrationServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&Registration_ServiceDesc, srv)
+}
+
+func _Registration_GetInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InfoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).GetInfo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_GetInfo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).GetInfo(ctx, req.(*InfoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Registration_NotifyRegistrationStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RegistrationStatus)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_NotifyRegistrationStatus_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, req.(*RegistrationStatus))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Registration_ServiceDesc is the grpc.ServiceDesc for Registration service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Registration_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "pluginregistration.Registration",
+	HandlerType: (*RegistrationServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetInfo",
+			Handler:    _Registration_GetInfo_Handler,
+		},
+		{
+			MethodName: "NotifyRegistrationStatus",
+			Handler:    _Registration_NotifyRegistrationStatus_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1/api.proto",
+}

pkg/apis/pluginregistration/v1alpha1/api.proto

@@ -4,16 +4,6 @@ syntax = "proto3";
 package pluginregistration; // This should have been v1alpha1.
 option go_package = "k8s.io/kubelet/pkg/apis/pluginregistration/v1alpha1";
 
-import "github.com/gogo/protobuf/gogoproto/gogo.proto";
-
-option (gogoproto.goproto_stringer_all) = false;
-option (gogoproto.stringer_all) =  true;
-option (gogoproto.goproto_getters_all) = true;
-option (gogoproto.marshaler_all) = true;
-option (gogoproto.sizer_all) = true;
-option (gogoproto.unmarshaler_all) = true;
-option (gogoproto.goproto_unrecognized_all) = false;
-
 // PluginInfo is the message sent from a plugin to the Kubelet pluginwatcher for plugin registration
 message PluginInfo {
 	// Type of the Plugin. CSIPlugin or DevicePlugin

pkg/apis/pluginregistration/v1alpha1/api_grpc.pb.go

@@ -0,0 +1,181 @@
+/*
+Copyright 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.
+*/
+
+// To regenerate api.pb.go run `hack/update-codegen.sh protobindings`
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.5.1
+// - protoc             v4.23.4
+// source: staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1alpha1/api.proto
+
+package v1alpha1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	Registration_GetInfo_FullMethodName                  = "/pluginregistration.Registration/GetInfo"
+	Registration_NotifyRegistrationStatus_FullMethodName = "/pluginregistration.Registration/NotifyRegistrationStatus"
+)
+
+// RegistrationClient is the client API for Registration service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationClient interface {
+	GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error)
+	NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error)
+}
+
+type registrationClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewRegistrationClient(cc grpc.ClientConnInterface) RegistrationClient {
+	return &registrationClient{cc}
+}
+
+func (c *registrationClient) GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PluginInfo)
+	err := c.cc.Invoke(ctx, Registration_GetInfo_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *registrationClient) NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RegistrationStatusResponse)
+	err := c.cc.Invoke(ctx, Registration_NotifyRegistrationStatus_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// RegistrationServer is the server API for Registration service.
+// All implementations must embed UnimplementedRegistrationServer
+// for forward compatibility.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationServer interface {
+	GetInfo(context.Context, *InfoRequest) (*PluginInfo, error)
+	NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error)
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+// UnimplementedRegistrationServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedRegistrationServer struct{}
+
+func (UnimplementedRegistrationServer) GetInfo(context.Context, *InfoRequest) (*PluginInfo, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInfo not implemented")
+}
+func (UnimplementedRegistrationServer) NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method NotifyRegistrationStatus not implemented")
+}
+func (UnimplementedRegistrationServer) mustEmbedUnimplementedRegistrationServer() {}
+func (UnimplementedRegistrationServer) testEmbeddedByValue()                      {}
+
+// UnsafeRegistrationServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to RegistrationServer will
+// result in compilation errors.
+type UnsafeRegistrationServer interface {
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+func RegisterRegistrationServer(s grpc.ServiceRegistrar, srv RegistrationServer) {
+	// If the following call pancis, it indicates UnimplementedRegistrationServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&Registration_ServiceDesc, srv)
+}
+
+func _Registration_GetInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InfoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).GetInfo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_GetInfo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).GetInfo(ctx, req.(*InfoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Registration_NotifyRegistrationStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RegistrationStatus)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_NotifyRegistrationStatus_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, req.(*RegistrationStatus))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Registration_ServiceDesc is the grpc.ServiceDesc for Registration service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Registration_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "pluginregistration.Registration",
+	HandlerType: (*RegistrationServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetInfo",
+			Handler:    _Registration_GetInfo_Handler,
+		},
+		{
+			MethodName: "NotifyRegistrationStatus",
+			Handler:    _Registration_NotifyRegistrationStatus_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1alpha1/api.proto",
+}

pkg/apis/pluginregistration/v1beta1/api.proto

@@ -4,16 +4,6 @@ syntax = "proto3";
 package pluginregistration; // This should have been v1beta1.
 option go_package = "k8s.io/kubelet/pkg/apis/pluginregistration/v1beta1";
 
-import "github.com/gogo/protobuf/gogoproto/gogo.proto";
-
-option (gogoproto.goproto_stringer_all) = false;
-option (gogoproto.stringer_all) =  true;
-option (gogoproto.goproto_getters_all) = true;
-option (gogoproto.marshaler_all) = true;
-option (gogoproto.sizer_all) = true;
-option (gogoproto.unmarshaler_all) = true;
-option (gogoproto.goproto_unrecognized_all) = false;
-
 // PluginInfo is the message sent from a plugin to the Kubelet pluginwatcher for plugin registration
 message PluginInfo {
 	// Type of the Plugin. CSIPlugin or DevicePlugin

pkg/apis/pluginregistration/v1beta1/api_grpc.pb.go

@@ -0,0 +1,181 @@
+/*
+Copyright 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.
+*/
+
+// To regenerate api.pb.go run `hack/update-codegen.sh protobindings`
+
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.5.1
+// - protoc             v4.23.4
+// source: staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1beta1/api.proto
+
+package v1beta1
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.64.0 or later.
+const _ = grpc.SupportPackageIsVersion9
+
+const (
+	Registration_GetInfo_FullMethodName                  = "/pluginregistration.Registration/GetInfo"
+	Registration_NotifyRegistrationStatus_FullMethodName = "/pluginregistration.Registration/NotifyRegistrationStatus"
+)
+
+// RegistrationClient is the client API for Registration service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationClient interface {
+	GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error)
+	NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error)
+}
+
+type registrationClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewRegistrationClient(cc grpc.ClientConnInterface) RegistrationClient {
+	return &registrationClient{cc}
+}
+
+func (c *registrationClient) GetInfo(ctx context.Context, in *InfoRequest, opts ...grpc.CallOption) (*PluginInfo, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PluginInfo)
+	err := c.cc.Invoke(ctx, Registration_GetInfo_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *registrationClient) NotifyRegistrationStatus(ctx context.Context, in *RegistrationStatus, opts ...grpc.CallOption) (*RegistrationStatusResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RegistrationStatusResponse)
+	err := c.cc.Invoke(ctx, Registration_NotifyRegistrationStatus_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// RegistrationServer is the server API for Registration service.
+// All implementations must embed UnimplementedRegistrationServer
+// for forward compatibility.
+//
+// Registration is the service advertised by the Plugins.
+type RegistrationServer interface {
+	GetInfo(context.Context, *InfoRequest) (*PluginInfo, error)
+	NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error)
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+// UnimplementedRegistrationServer must be embedded to have
+// forward compatible implementations.
+//
+// NOTE: this should be embedded by value instead of pointer to avoid a nil
+// pointer dereference when methods are called.
+type UnimplementedRegistrationServer struct{}
+
+func (UnimplementedRegistrationServer) GetInfo(context.Context, *InfoRequest) (*PluginInfo, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetInfo not implemented")
+}
+func (UnimplementedRegistrationServer) NotifyRegistrationStatus(context.Context, *RegistrationStatus) (*RegistrationStatusResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method NotifyRegistrationStatus not implemented")
+}
+func (UnimplementedRegistrationServer) mustEmbedUnimplementedRegistrationServer() {}
+func (UnimplementedRegistrationServer) testEmbeddedByValue()                      {}
+
+// UnsafeRegistrationServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to RegistrationServer will
+// result in compilation errors.
+type UnsafeRegistrationServer interface {
+	mustEmbedUnimplementedRegistrationServer()
+}
+
+func RegisterRegistrationServer(s grpc.ServiceRegistrar, srv RegistrationServer) {
+	// If the following call pancis, it indicates UnimplementedRegistrationServer was
+	// embedded by pointer and is nil.  This will cause panics if an
+	// unimplemented method is ever invoked, so we test this at initialization
+	// time to prevent it from happening at runtime later due to I/O.
+	if t, ok := srv.(interface{ testEmbeddedByValue() }); ok {
+		t.testEmbeddedByValue()
+	}
+	s.RegisterService(&Registration_ServiceDesc, srv)
+}
+
+func _Registration_GetInfo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(InfoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).GetInfo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_GetInfo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).GetInfo(ctx, req.(*InfoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _Registration_NotifyRegistrationStatus_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RegistrationStatus)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Registration_NotifyRegistrationStatus_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RegistrationServer).NotifyRegistrationStatus(ctx, req.(*RegistrationStatus))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Registration_ServiceDesc is the grpc.ServiceDesc for Registration service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Registration_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "pluginregistration.Registration",
+	HandlerType: (*RegistrationServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "GetInfo",
+			Handler:    _Registration_GetInfo_Handler,
+		},
+		{
+			MethodName: "NotifyRegistrationStatus",
+			Handler:    _Registration_NotifyRegistrationStatus_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "staging/src/k8s.io/kubelet/pkg/apis/pluginregistration/v1beta1/api.proto",
+}