feat(otel): don't log requests if otel enabled

internal/default.go

@@ -30,8 +30,8 @@ func Run(ctx context.Context, database *sqlx.DB, migrationsPrefix string, env fu
 	ctx, cancel := signal.NotifyContext(ctx, syscall.SIGINT, syscall.SIGTERM)
 	defer cancel()
 
-	otelEnabled := core.IsOtelEnabled(env)
-	if otelEnabled {
+	isOtelEnabled := core.IsOtelEnabled(env)
+	if isOtelEnabled {
 		// use context.Background(), otherwise the shutdown can't be called, as the context is already cancelled
 		otelShutdown, err := setupOTelSDK(context.Background())
 		if err != nil {
@@ -67,7 +67,7 @@ func Run(ctx context.Context, database *sqlx.DB, migrationsPrefix string, env fu
 	// init server
 	httpServer := &http.Server{
 		Addr:              ":" + serverSettings.Port,
-		Handler:           createHandlerWithServices(ctx, database, serverSettings),
+		Handler:           createHandlerWithServices(ctx, database, serverSettings, isOtelEnabled),
 		ReadHeaderTimeout: 2 * time.Second,
 	}
 	go startServer(ctx, httpServer)
@@ -106,7 +106,7 @@ func shutdownServer(ctx context.Context, s *http.Server, wg *sync.WaitGroup) {
 	}
 }
 
-func createHandlerWithServices(ctx context.Context, d *sqlx.DB, serverSettings *core.Settings) http.Handler {
+func createHandlerWithServices(ctx context.Context, d *sqlx.DB, serverSettings *core.Settings, isOtelEnabled bool) http.Handler {
 	var router = http.NewServeMux()
 
 	authDb := authentication.NewDbSqlite(d)
@@ -155,7 +155,7 @@ func createHandlerWithServices(ctx context.Context, d *sqlx.DB, serverSettings *
 		middleware.CrossSiteRequestForgery(authService),
 		middleware.Authenticate(authService),
 		middleware.Gzip,
-		middleware.Log,
+		middleware.Log(isOtelEnabled),
 	)
 
 	wrapper = otelhttp.NewHandler(wrapper, "http.request")

internal/handler/middleware/logger.go

@@ -17,8 +17,14 @@ func (w *WrappedWriter) WriteHeader(code int) {
 	w.ResponseWriter.WriteHeader(code)
 }
 
-func Log(next http.Handler) http.Handler {
+func Log(enabled bool) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			if !enabled {
+				next.ServeHTTP(w, r)
+				return
+			}
+
 			start := time.Now()
 
 			wrapped := &WrappedWriter{
@@ -34,4 +40,5 @@ func Log(next http.Handler) http.Handler {
 				"path", r.URL.Path,
 				"duration", time.Since(start).String())
 		})
+	}
 }