feat(tracing) custom tracer name (#2310)

* feat(log): add tencent cls

fix

update

* refactor(log) use the same interface name

* fix(log) tencent toString

* feat(tracing) custom tracer name

middleware/tracing/tracer.go

@@ -24,6 +24,7 @@ type Tracer struct {
 func NewTracer(kind trace.SpanKind, opts ...Option) *Tracer {
 	op := options{
 		propagator: propagation.NewCompositeTextMapPropagator(Metadata{}, propagation.Baggage{}, propagation.TraceContext{}),
+		tracerName: "kratos",
 	}
 	for _, o := range opts {
 		o(&op)
@@ -34,9 +35,9 @@ func NewTracer(kind trace.SpanKind, opts ...Option) *Tracer {
 
 	switch kind {
 	case trace.SpanKindClient:
-		return &Tracer{tracer: otel.Tracer("kratos"), kind: kind, opt: &op}
+		return &Tracer{tracer: otel.Tracer(op.tracerName), kind: kind, opt: &op}
 	case trace.SpanKindServer:
-		return &Tracer{tracer: otel.Tracer("kratos"), kind: kind, opt: &op}
+		return &Tracer{tracer: otel.Tracer(op.tracerName), kind: kind, opt: &op}
 	default:
 		panic(fmt.Sprintf("unsupported span kind: %v", kind))
 	}

middleware/tracing/tracing.go

@@ -15,6 +15,7 @@ import (
 type Option func(*options)
 
 type options struct {
+	tracerName     string
 	tracerProvider trace.TracerProvider
 	propagator     propagation.TextMapPropagator
 }
@@ -34,6 +35,13 @@ func WithTracerProvider(provider trace.TracerProvider) Option {
 	}
 }
 
+// WithTracerName with tracer name
+func WithTracerName(tracerName string) Option {
+	return func(opts *options) {
+		opts.tracerName = tracerName
+	}
+}
+
 // Server returns a new server middleware for OpenTelemetry.
 func Server(opts ...Option) middleware.Middleware {
 	tracer := NewTracer(trace.SpanKindServer, opts...)