feat: base grpc system and base use

api/gen/homeops/hub.pb.go

@@ -0,0 +1,128 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.11
+// 	protoc        v7.34.1
+// source: homeops/hub.proto
+
+package homeops
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type PongResponse struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Pong          string                 `protobuf:"bytes,1,opt,name=pong,proto3" json:"pong,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *PongResponse) Reset() {
+	*x = PongResponse{}
+	mi := &file_homeops_hub_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *PongResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*PongResponse) ProtoMessage() {}
+
+func (x *PongResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_homeops_hub_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use PongResponse.ProtoReflect.Descriptor instead.
+func (*PongResponse) Descriptor() ([]byte, []int) {
+	return file_homeops_hub_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *PongResponse) GetPong() string {
+	if x != nil {
+		return x.Pong
+	}
+	return ""
+}
+
+var File_homeops_hub_proto protoreflect.FileDescriptor
+
+const file_homeops_hub_proto_rawDesc = "" +
+	"\n" +
+	"\x11homeops/hub.proto\x1a\x1bgoogle/protobuf/empty.proto\"\"\n" +
+	"\fPongResponse\x12\x12\n" +
+	"\x04pong\x18\x01 \x01(\tR\x04pong26\n" +
+	"\x03Hub\x12/\n" +
+	"\x04Ping\x12\x16.google.protobuf.Empty\x1a\r.PongResponse\"\x00B<Z:github.com/lorsanstand/HomeOps-Hub/api/gen/homeops;homeopsb\x06proto3"
+
+var (
+	file_homeops_hub_proto_rawDescOnce sync.Once
+	file_homeops_hub_proto_rawDescData []byte
+)
+
+func file_homeops_hub_proto_rawDescGZIP() []byte {
+	file_homeops_hub_proto_rawDescOnce.Do(func() {
+		file_homeops_hub_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_homeops_hub_proto_rawDesc), len(file_homeops_hub_proto_rawDesc)))
+	})
+	return file_homeops_hub_proto_rawDescData
+}
+
+var file_homeops_hub_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_homeops_hub_proto_goTypes = []any{
+	(*PongResponse)(nil),  // 0: PongResponse
+	(*emptypb.Empty)(nil), // 1: google.protobuf.Empty
+}
+var file_homeops_hub_proto_depIdxs = []int32{
+	1, // 0: Hub.Ping:input_type -> google.protobuf.Empty
+	0, // 1: Hub.Ping:output_type -> PongResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_homeops_hub_proto_init() }
+func file_homeops_hub_proto_init() {
+	if File_homeops_hub_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_homeops_hub_proto_rawDesc), len(file_homeops_hub_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   1,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_homeops_hub_proto_goTypes,
+		DependencyIndexes: file_homeops_hub_proto_depIdxs,
+		MessageInfos:      file_homeops_hub_proto_msgTypes,
+	}.Build()
+	File_homeops_hub_proto = out.File
+	file_homeops_hub_proto_goTypes = nil
+	file_homeops_hub_proto_depIdxs = nil
+}

api/gen/homeops/hub_grpc.pb.go

@@ -0,0 +1,122 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.6.1
+// - protoc             v7.34.1
+// source: homeops/hub.proto
+
+package homeops
+
+import (
+	context "context"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+	emptypb "google.golang.org/protobuf/types/known/emptypb"
+)
+
+// 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 (
+	Hub_Ping_FullMethodName = "/Hub/Ping"
+)
+
+// HubClient is the client API for Hub 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.
+type HubClient interface {
+	Ping(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*PongResponse, error)
+}
+
+type hubClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewHubClient(cc grpc.ClientConnInterface) HubClient {
+	return &hubClient{cc}
+}
+
+func (c *hubClient) Ping(ctx context.Context, in *emptypb.Empty, opts ...grpc.CallOption) (*PongResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(PongResponse)
+	err := c.cc.Invoke(ctx, Hub_Ping_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// HubServer is the server API for Hub service.
+// All implementations must embed UnimplementedHubServer
+// for forward compatibility.
+type HubServer interface {
+	Ping(context.Context, *emptypb.Empty) (*PongResponse, error)
+	mustEmbedUnimplementedHubServer()
+}
+
+// UnimplementedHubServer 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 UnimplementedHubServer struct{}
+
+func (UnimplementedHubServer) Ping(context.Context, *emptypb.Empty) (*PongResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "method Ping not implemented")
+}
+func (UnimplementedHubServer) mustEmbedUnimplementedHubServer() {}
+func (UnimplementedHubServer) testEmbeddedByValue()             {}
+
+// UnsafeHubServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to HubServer will
+// result in compilation errors.
+type UnsafeHubServer interface {
+	mustEmbedUnimplementedHubServer()
+}
+
+func RegisterHubServer(s grpc.ServiceRegistrar, srv HubServer) {
+	// If the following call panics, it indicates UnimplementedHubServer 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(&Hub_ServiceDesc, srv)
+}
+
+func _Hub_Ping_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(emptypb.Empty)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(HubServer).Ping(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: Hub_Ping_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(HubServer).Ping(ctx, req.(*emptypb.Empty))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+// Hub_ServiceDesc is the grpc.ServiceDesc for Hub service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var Hub_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "Hub",
+	HandlerType: (*HubServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "Ping",
+			Handler:    _Hub_Ping_Handler,
+		},
+	},
+	Streams:  []grpc.StreamDesc{},
+	Metadata: "homeops/hub.proto",
+}

api/proto/homeops/hub.proto

@@ -0,0 +1,13 @@
+syntax = "proto3";
+
+import "google/protobuf/empty.proto";
+
+option go_package = "github.com/lorsanstand/HomeOps-Hub/api/gen/homeops;homeops";
+
+service Hub {
+  rpc Ping (google.protobuf.Empty) returns (PongResponse) {}
+}
+
+message PongResponse {
+  string pong = 1;
+}

cmd/agent/main.go

@@ -1 +1,32 @@
 package main
+
+import (
+	"context"
+	"log"
+	"time"
+
+	"github.com/lorsanstand/HomeOps-Hub/api/gen/homeops"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+func main() {
+	conn, err := grpc.Dial("127.0.0.1:6756", grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		log.Fatalf("dial: %v", err)
+	}
+	defer conn.Close()
+
+	client := homeops.NewHubClient(conn)
+
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+	resp, err := client.Ping(ctx, &emptypb.Empty{})
+	if err != nil {
+		log.Fatalf("dial: %v", err)
+	}
+
+	defer cancel()
+
+	log.Printf("pong: %+v", resp.Pong)
+}

cmd/hub/main.go

@@ -1 +1,25 @@
 package main
+
+import (
+	"log"
+	"net"
+
+	"github.com/lorsanstand/HomeOps-Hub/api/gen/homeops"
+	grpcserver "github.com/lorsanstand/HomeOps-Hub/internal/hub/grpc"
+	"google.golang.org/grpc"
+)
+
+func main() {
+	lis, err := net.Listen("tcp", ":6756")
+	if err != nil {
+		return
+	}
+
+	grpcServer := grpc.NewServer()
+
+	srv := &grpcserver.Server{}
+	homeops.RegisterHubServer(grpcServer, srv)
+
+	log.Println("Start serve")
+	grpcServer.Serve(lis)
+}

go.mod

@@ -2,14 +2,22 @@ module github.com/lorsanstand/HomeOps-Hub
 
 go 1.26.1
 
+require (
+	github.com/ilyakaznacheev/cleanenv v1.5.0
+	github.com/rs/zerolog v1.35.0
+	google.golang.org/grpc v1.80.0
+	google.golang.org/protobuf v1.36.11
+)
+
 require (
 	github.com/BurntSushi/toml v1.2.1 // indirect
-	github.com/ilyakaznacheev/cleanenv v1.5.0 // indirect
 	github.com/joho/godotenv v1.5.1 // indirect
 	github.com/mattn/go-colorable v0.1.14 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/rs/zerolog v1.35.0 // indirect
-	golang.org/x/sys v0.29.0 // indirect
+	golang.org/x/net v0.49.0 // indirect
+	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/text v0.33.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	olympos.io/encoding/edn v0.0.0-20201019073823-d3554ca0b0a3 // indirect
 )

go.sum

@@ -1,5 +1,17 @@
 github.com/BurntSushi/toml v1.2.1 h1:9F2/+DoOYIOksmaJFPw1tGFy1eDnIJXg+UHjuD8lTak=
 github.com/BurntSushi/toml v1.2.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/go-logr/logr v1.4.3 h1:CjnDlHq8ikf6E492q6eKboGOC0T8CDaOvkHCIg8idEI=
+github.com/go-logr/logr v1.4.3/go.mod h1:9T104GzyrTigFIr8wt5mBrctHMim0Nb2HLGrmQ40KvY=
+github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
+github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/golang/protobuf v1.5.4 h1:i7eJL8qZTpSEXOPTxNKhASYpMn+8e5Q6AdndVa1dWek=
+github.com/golang/protobuf v1.5.4/go.mod h1:lnTiLA8Wa4RWRcIUkrtSVa5nRhsEGBg48fD6rSs7xps=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/ilyakaznacheev/cleanenv v1.5.0 h1:0VNZXggJE2OYdXE87bfSSwGxeiGt9moSR2lOrsHHvr4=
 github.com/ilyakaznacheev/cleanenv v1.5.0/go.mod h1:a5aDzaJrLCQZsazHol1w8InnDcOX0OColm64SlIi6gk=
 github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
@@ -10,9 +22,34 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/rs/zerolog v1.35.0 h1:VD0ykx7HMiMJytqINBsKcbLS+BJ4WYjz+05us+LRTdI=
 github.com/rs/zerolog v1.35.0/go.mod h1:EjML9kdfa/RMA7h/6z6pYmq1ykOuA8/mjWaEvGI+jcw=
+go.opentelemetry.io/auto/sdk v1.2.1 h1:jXsnJ4Lmnqd11kwkBV2LgLoFMZKizbCi5fNZ/ipaZ64=
+go.opentelemetry.io/auto/sdk v1.2.1/go.mod h1:KRTj+aOaElaLi+wW1kO/DZRXwkF4C5xPbEe3ZiIhN7Y=
+go.opentelemetry.io/otel v1.39.0 h1:8yPrr/S0ND9QEfTfdP9V+SiwT4E0G7Y5MO7p85nis48=
+go.opentelemetry.io/otel v1.39.0/go.mod h1:kLlFTywNWrFyEdH0oj2xK0bFYZtHRYUdv1NklR/tgc8=
+go.opentelemetry.io/otel/metric v1.39.0 h1:d1UzonvEZriVfpNKEVmHXbdf909uGTOQjA0HF0Ls5Q0=
+go.opentelemetry.io/otel/metric v1.39.0/go.mod h1:jrZSWL33sD7bBxg1xjrqyDjnuzTUB0x1nBERXd7Ftcs=
+go.opentelemetry.io/otel/sdk v1.39.0 h1:nMLYcjVsvdui1B/4FRkwjzoRVsMK8uL/cj0OyhKzt18=
+go.opentelemetry.io/otel/sdk v1.39.0/go.mod h1:vDojkC4/jsTJsE+kh+LXYQlbL8CgrEcwmt1ENZszdJE=
+go.opentelemetry.io/otel/sdk/metric v1.39.0 h1:cXMVVFVgsIf2YL6QkRF4Urbr/aMInf+2WKg+sEJTtB8=
+go.opentelemetry.io/otel/sdk/metric v1.39.0/go.mod h1:xq9HEVH7qeX69/JnwEfp6fVq5wosJsY1mt4lLfYdVew=
+go.opentelemetry.io/otel/trace v1.39.0 h1:2d2vfpEDmCJ5zVYz7ijaJdOF59xLomrvj7bjt6/qCJI=
+go.opentelemetry.io/otel/trace v1.39.0/go.mod h1:88w4/PnZSazkGzz/w84VHpQafiU4EtqqlVdxWy+rNOA=
+golang.org/x/net v0.49.0 h1:eeHFmOGUTtaaPSGNmjBKpbng9MulQsJURQUAfUwY++o=
+golang.org/x/net v0.49.0/go.mod h1:/ysNB2EvaqvesRkuLAyjI1ycPZlQHM3q01F02UY/MV8=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU=
-golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
+golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.33.0 h1:B3njUFyqtHDUI5jMn1YIr5B0IE2U0qck04r6d4KPAxE=
+golang.org/x/text v0.33.0/go.mod h1:LuMebE6+rBincTi9+xWTY8TztLzKHc/9C1uBCG27+q8=
+gonum.org/v1/gonum v0.17.0 h1:VbpOemQlsSMrYmn7T2OUvQ4dqxQXU+ouZFQsZOx50z4=
+gonum.org/v1/gonum v0.17.0/go.mod h1:El3tOrEuMpv2UdMrbNlKEh9vd86bmQ6vqIcDwxEOc1E=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516 h1:sNrWoksmOyF5bvJUcnmbeAmQi8baNhqg5IWaI3llQqU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20260120221211-b8f7ae30c516/go.mod h1:j9x/tPzZkyxcgEFkiKEEGxfvyumM01BEtsW8xzOahRQ=
+google.golang.org/grpc v1.80.0 h1:Xr6m2WmWZLETvUNvIUmeD5OAagMw3FiKmMlTdViWsHM=
+google.golang.org/grpc v1.80.0/go.mod h1:ho/dLnxwi3EDJA4Zghp7k2Ec1+c2jqup0bFkw07bwF4=
+google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
+google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

internal/agent/grpc/client.go

@@ -0,0 +1 @@
+package grpc

internal/hub/grpc/server.go

@@ -0,0 +1,19 @@
+package grpc
+
+import (
+	"context"
+	"log"
+
+	"github.com/lorsanstand/HomeOps-Hub/api/gen/homeops"
+	"google.golang.org/protobuf/types/known/emptypb"
+)
+
+type Server struct {
+	homeops.UnimplementedHubServer
+}
+
+func (s *Server) Ping(ctx context.Context, _ *emptypb.Empty) (*homeops.PongResponse, error) {
+	log.Println("Answer")
+	return &homeops.PongResponse{Pong: "Huiiii"}, nil
+
+}