完善 otel 配置

web/globals/otel.go

@@ -3,6 +3,7 @@ package globals
 import (
 	"context"
 	"fmt"
+	"log/slog"
 	"platform/pkg/env"
 
 	"go.opentelemetry.io/otel"
@@ -17,11 +18,17 @@ import (
 var tp *trace.TracerProvider
 
 func initOtel(ctx context.Context) error {
+	addr := env.OtelHost + ":" + env.OtelPort
+	name := "lanhu-platform"
+	if env.OtelNameSuffix != "" {
+		name += "-" + env.OtelNameSuffix
+	}
+	slog.Info("初始化 otel", "endpoint", addr, "service_suffix", name)
+
 	if env.OtelHost == "" || env.OtelPort == "" {
 		return nil
 	}
 
-	addr := env.OtelHost + ":" + env.OtelPort
 	exporter, err := otlptracegrpc.New(ctx,
 		otlptracegrpc.WithEndpoint(addr),
 		otlptracegrpc.WithInsecure(),
@@ -36,7 +43,7 @@ func initOtel(ctx context.Context) error {
 		trace.WithResource(
 			resource.NewWithAttributes(
 				semconv.SchemaURL,
-				semconv.ServiceNameKey.String("lanhu-platform"),
+				semconv.ServiceNameKey.String(name),
 			),
 		),
 	)