removed copying from logger creation

Signed-off-by: Mikhail Avramenko <avramenkomihail15@gmail.com>

pkg/tools/log/logruslogger/logruslogger.go

@@ -185,11 +185,7 @@ func (s *logrusLogger) WithField(key, value interface{}) log.Logger {
 
 // New - creates a logruslogger and returns it
 func New(ctx context.Context) log.Logger {
-	copyFields := map[string]interface{}{}
-	for k, v := range log.Fields(ctx) {
-		copyFields[k] = v
-	}
-	entry := logrus.WithFields(copyFields)
+	entry := logrus.WithFields(log.Fields(ctx))
 	entry.Logger.SetFormatter(newFormatter())
 
 	newLog := &logrusLogger{
@@ -201,11 +197,7 @@ func New(ctx context.Context) log.Logger {
 // FromSpan - creates a new logruslogger from context, operation and span
 // and returns context with it, logger, and a function to defer
 func FromSpan(ctx context.Context, span opentracing.Span, operation string) (context.Context, log.Logger, func()) {
-	copyFields := map[string]interface{}{}
-	for k, v := range log.Fields(ctx) {
-		copyFields[k] = v
-	}
-	entry := logrus.WithFields(copyFields)
+	entry := logrus.WithFields(log.Fields(ctx))
 	entry.Logger.SetFormatter(newFormatter())
 	entry.Logger.SetLevel(logrus.TraceLevel)