add EmptyResponse common message

internal/machine/api/pb/common.pb.go

@@ -137,6 +137,55 @@ func (x *Empty) GetMetadata() *Metadata {
 	return nil
 }
 
+// EmptyResponse is a response message to be returned by the gRPC proxy when a request to the upstream failed.
+// The nested Empty.Metadata message should contain an error.
+type EmptyResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Messages []*Empty `protobuf:"bytes,1,rep,name=messages,proto3" json:"messages,omitempty"`
+}
+
+func (x *EmptyResponse) Reset() {
+	*x = EmptyResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_internal_machine_api_pb_common_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *EmptyResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*EmptyResponse) ProtoMessage() {}
+
+func (x *EmptyResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_internal_machine_api_pb_common_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use EmptyResponse.ProtoReflect.Descriptor instead.
+func (*EmptyResponse) Descriptor() ([]byte, []int) {
+	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *EmptyResponse) GetMessages() []*Empty {
+	if x != nil {
+		return x.Messages
+	}
+	return nil
+}
+
 type IP struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -148,7 +197,7 @@ type IP struct {
 func (x *IP) Reset() {
 	*x = IP{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_common_proto_msgTypes[2]
+		mi := &file_internal_machine_api_pb_common_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -161,7 +210,7 @@ func (x *IP) String() string {
 func (*IP) ProtoMessage() {}
 
 func (x *IP) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_common_proto_msgTypes[2]
+	mi := &file_internal_machine_api_pb_common_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -174,7 +223,7 @@ func (x *IP) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use IP.ProtoReflect.Descriptor instead.
 func (*IP) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{2}
+	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *IP) GetIp() []byte {
@@ -196,7 +245,7 @@ type IPPort struct {
 func (x *IPPort) Reset() {
 	*x = IPPort{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_common_proto_msgTypes[3]
+		mi := &file_internal_machine_api_pb_common_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -209,7 +258,7 @@ func (x *IPPort) String() string {
 func (*IPPort) ProtoMessage() {}
 
 func (x *IPPort) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_common_proto_msgTypes[3]
+	mi := &file_internal_machine_api_pb_common_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -222,7 +271,7 @@ func (x *IPPort) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use IPPort.ProtoReflect.Descriptor instead.
 func (*IPPort) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{3}
+	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *IPPort) GetIp() *IP {
@@ -251,7 +300,7 @@ type IPPrefix struct {
 func (x *IPPrefix) Reset() {
 	*x = IPPrefix{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_internal_machine_api_pb_common_proto_msgTypes[4]
+		mi := &file_internal_machine_api_pb_common_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -264,7 +313,7 @@ func (x *IPPrefix) String() string {
 func (*IPPrefix) ProtoMessage() {}
 
 func (x *IPPrefix) ProtoReflect() protoreflect.Message {
-	mi := &file_internal_machine_api_pb_common_proto_msgTypes[4]
+	mi := &file_internal_machine_api_pb_common_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -277,7 +326,7 @@ func (x *IPPrefix) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use IPPrefix.ProtoReflect.Descriptor instead.
 func (*IPPrefix) Descriptor() ([]byte, []int) {
-	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{4}
+	return file_internal_machine_api_pb_common_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *IPPrefix) GetIp() *IP {
@@ -311,19 +360,22 @@ var file_internal_machine_api_pb_common_proto_rawDesc = []byte{
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 }
 
 var (
@@ -338,25 +390,27 @@ func file_internal_machine_api_pb_common_proto_rawDescGZIP() []byte {
 	return file_internal_machine_api_pb_common_proto_rawDescData
 }
 
-var file_internal_machine_api_pb_common_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_internal_machine_api_pb_common_proto_msgTypes = make([]protoimpl.MessageInfo, 6)
 var file_internal_machine_api_pb_common_proto_goTypes = []any{
 	(*Metadata)(nil),      // 0: api.Metadata
 	(*Empty)(nil),         // 1: api.Empty
-	(*IP)(nil),            // 2: api.IP
+	(*EmptyResponse)(nil), // 2: api.EmptyResponse
-	(*IPPort)(nil),        // 3: api.IPPort
+	(*IP)(nil),            // 3: api.IP
-	(*IPPrefix)(nil),      // 4: api.IPPrefix
+	(*IPPort)(nil),        // 4: api.IPPort
-	(*status.Status)(nil), // 5: google.rpc.Status
+	(*IPPrefix)(nil),      // 5: api.IPPrefix
+	(*status.Status)(nil), // 6: google.rpc.Status
 }
 var file_internal_machine_api_pb_common_proto_depIdxs = []int32{
-	5, // 0: api.Metadata.status:type_name -> google.rpc.Status
+	6, // 0: api.Metadata.status:type_name -> google.rpc.Status
 	0, // 1: api.Empty.metadata:type_name -> api.Metadata
-	2, // 2: api.IPPort.ip:type_name -> api.IP
+	1, // 2: api.EmptyResponse.messages:type_name -> api.Empty
-	2, // 3: api.IPPrefix.ip:type_name -> api.IP
+	3, // 3: api.IPPort.ip:type_name -> api.IP
-	4, // [4:4] is the sub-list for method output_type
+	3, // 4: api.IPPrefix.ip:type_name -> api.IP
-	4, // [4:4] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for method output_type
-	4, // [4:4] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension extendee
+	5, // [5:5] is the sub-list for extension type_name
-	0, // [0:4] is the sub-list for field type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
 }
 
 func init() { file_internal_machine_api_pb_common_proto_init() }
@@ -390,7 +444,7 @@ func file_internal_machine_api_pb_common_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_common_proto_msgTypes[2].Exporter = func(v any, i int) any {
-			switch v := v.(*IP); i {
+			switch v := v.(*EmptyResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -402,7 +456,7 @@ func file_internal_machine_api_pb_common_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_common_proto_msgTypes[3].Exporter = func(v any, i int) any {
-			switch v := v.(*IPPort); i {
+			switch v := v.(*IP); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -414,6 +468,18 @@ func file_internal_machine_api_pb_common_proto_init() {
 			}
 		}
 		file_internal_machine_api_pb_common_proto_msgTypes[4].Exporter = func(v any, i int) any {
+			switch v := v.(*IPPort); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_internal_machine_api_pb_common_proto_msgTypes[5].Exporter = func(v any, i int) any {
 			switch v := v.(*IPPrefix); i {
 			case 0:
 				return &v.state
@@ -432,7 +498,7 @@ func file_internal_machine_api_pb_common_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_internal_machine_api_pb_common_proto_rawDesc,
 			NumEnums:      0,
-			NumMessages:   5,
+			NumMessages:   6,
 			NumExtensions: 0,
 			NumServices:   0,
 		},

internal/machine/api/pb/common.proto

@@ -23,6 +23,11 @@ message Empty {
   Metadata metadata = 1;
 }
 
+// EmptyResponse is a response message to be returned by the gRPC proxy when a request to the upstream failed.
+// The nested Empty.Metadata message should contain an error.
+message EmptyResponse {
+  repeated Empty messages = 1;
+}
 
 message IP {
   bytes ip = 1;