houstonClient도 버전 관리

client/client.go

@@ -117,6 +117,8 @@ type houstonClient struct {
 	timestamp     string
 	wg            sync.WaitGroup
 	config        clientConfig
+	version       string
+	standalone    bool
 }
 
 func unmarshal[T any](val *T, src map[string]string) {
@@ -162,8 +164,25 @@ func gatherDeployedPrograms(storageRoot, name string) []*protos.VersionAndArgs {
 }
 
 func (hc *houstonClient) makeOperationQueryRequest() *protos.OperationQueryRequest {
-	hn, _ := os.Hostname()
-	procs := make([]*protos.ProcessDescription, 0, len(hc.childProcs))
+	procs := make([]*protos.ProcessDescription, 0, len(hc.childProcs)+1)
+	if hc.standalone {
+		procs = append(procs, &protos.ProcessDescription{
+			Name:    os.Args[0],
+			Args:    os.Args[1:],
+			Version: hc.version,
+			State:   protos.ProcessState_Running,
+			Pid:     int32(os.Getpid()),
+		})
+	} else {
+		procs = append(procs, &protos.ProcessDescription{
+			Name:    "houston",
+			Args:    []string{},
+			Version: hc.version,
+			State:   protos.ProcessState_Running,
+			Pid:     int32(os.Getpid()),
+		})
+	}
+
 	for _, child := range hc.childProcs {
 		procs = append(procs, &protos.ProcessDescription{
 			Name:    child.name,
@@ -181,7 +200,7 @@ func (hc *houstonClient) makeOperationQueryRequest() *protos.OperationQueryReque
 			Versions: prog,
 		})
 	}
-
+	hn, _ := os.Hostname()
 	return &protos.OperationQueryRequest{
 		Hostname: hn,
 		Procs:    procs,
@@ -189,7 +208,7 @@ func (hc *houstonClient) makeOperationQueryRequest() *protos.OperationQueryReque
 	}
 }
 
-func NewClient() (HoustonClient, error) {
+func NewClient(standalone bool) (HoustonClient, error) {
 	clientConfig, err := loadClientConfig()
 	if err != nil {
 		return nil, err
@@ -238,12 +257,19 @@ func NewClient() (HoustonClient, error) {
 		}
 	}
 
+	ver, _ := os.ReadFile("@version")
+	if len(ver) == 0 {
+		ver = []byte("0.0.0")
+	}
+
 	hc := &houstonClient{
 		config:       clientConfig,
 		clientChan:   make(chan *grpc.ClientConn),
 		extraMetrics: unsafe.Pointer(&map[string]float32{}),
 		deploys:      deploys,
 		timestamp:    exefi.ModTime().String(),
+		version:      string(ver),
+		standalone:   standalone,
 	}
 
 	ctx, cancel := context.WithCancel(context.Background())
@@ -419,6 +445,8 @@ func (hc *houstonClient) Start() {
 
 	var client *grpc.ClientConn
 	reconnCount := 0
+	time.Sleep(time.Second)
+
 	for {
 		select {
 		case <-hc.ctx.Done():