safer code

proxy/pkg/proxy/proxy.go

@@ -222,10 +222,11 @@ func (p *MultiHostReverseProxy) ServeHTTP(w http.ResponseWriter, r *http.Request
 		span trace.Span
 	)
 
+	tracer := proxytracing.TraceProvider.Tracer("proxy")
+	ctx, span = tracer.Start(ctx, fmt.Sprintf("%s %v", r.Method, r.URL.Path))
+	defer span.End()
+
 	if p.config.Tracing.Enabled {
-		tracer := proxytracing.TraceProvider.Tracer("proxy")
-		ctx, span = tracer.Start(ctx, fmt.Sprintf("%s %v", r.Method, r.URL.Path))
-		defer span.End()
 		pkgtrace.Propagator.Inject(ctx, propagation.HeaderCarrier(r.Header))
 	}
 

proxy/pkg/tracing/tracing.go

@@ -3,12 +3,12 @@ package tracing
 import (
 	pkgtrace "github.com/owncloud/ocis/ocis-pkg/tracing"
 	"github.com/owncloud/ocis/proxy/pkg/config"
-	sdktrace "go.opentelemetry.io/otel/sdk/trace"
+	"go.opentelemetry.io/otel/trace"
 )
 
 var (
 	// TraceProvider is the global trace provider for the proxy service.
-	TraceProvider *sdktrace.TracerProvider
+	TraceProvider = trace.NewNoopTracerProvider()
 )
 
 func Configure(cfg *config.Config) error {