不同服务注册不同组件模块

jaeger/jaeger.go

@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"strconv"
 	"strings"
+	"sync"
 
 	"github.com/gogf/gf/contrib/trace/otlphttp/v2"
 	"github.com/gogf/gf/v2/frame/g"
@@ -13,16 +14,38 @@ import (
 	"go.opentelemetry.io/otel/attribute"
 )
 
-var ShutDown func(ctx context.Context)
+var (
+	ShutDown func(ctx context.Context)
+	initOnce sync.Once
+)
+
+// Init 初始化 Jaeger 链路追踪（延迟初始化，首次调用时执行）
+func Init() {
+	initOnce.Do(func() {
+		ctx := context.Background()
+		jaegerAgent := g.Cfg().MustGet(ctx, "jaeger.addr").String()
+		serverName := g.Cfg().MustGet(ctx, "server.name").String()
+
+		if jaegerAgent == "" {
+			g.Log().Warning(ctx, "⚠️  Jaeger 配置未找到，跳过初始化")
+			ShutDown = func(ctx context.Context) {} // 空函数，避免 nil panic
+			return
+		}
+
+		shutdown, err := otlphttp.Init(serverName, jaegerAgent, "/v1/traces")
+		if err != nil {
+			g.Log().Errorf(ctx, "Jaeger 初始化失败: %v", err)
+			ShutDown = func(ctx context.Context) {}
+			return
+		}
+		ShutDown = shutdown
+		g.Log().Infof(ctx, "✅ Jaeger 初始化成功: %s", jaegerAgent)
+	})
+}
 
 func init() {
-	jaegerAgent := g.Cfg().MustGet(context.Background(), "jaeger.addr").String()
-	serverName := g.Cfg().MustGet(context.Background(), "server.name").String()
-	shutdown, err := otlphttp.Init(serverName, jaegerAgent, "/v1/traces")
-	if err != nil {
-		panic(err)
-	}
-	ShutDown = shutdown
+	// 默认自动初始化（保持向后兼容）
+	Init()
 }
 func NewTracer(r *ghttp.Request) {
 	_, span := gtrace.NewSpan(r.Context(), r.GetServeHandler().GetMetaTag("summary"))