Merge pull request #701 from ydb-platform/slo-native-log-fix

fix: logging nil errors in slo native workers

Author: asmyasnikov

tests/slo/internal/workers/read.go

@@ -29,7 +29,9 @@ func (w *Workers) read(ctx context.Context) (err error) {
 	m := w.m.Start(metrics.JobRead)
 	defer func() {
 		m.Stop(err)
-		w.logger.Error(fmt.Errorf("get entry error: %w", err).Error())
+		if err != nil {
+			w.logger.Error(fmt.Errorf("get entry error: %w", err).Error())
+		}
 	}()
 
 	_, err = w.s.Read(ctx, id)

tests/slo/internal/workers/write.go

@@ -34,7 +34,9 @@ func (w *Workers) write(ctx context.Context, gen *generator.Generator) (err erro
 	m := w.m.Start(metrics.JobWrite)
 	defer func() {
 		m.Stop(err)
-		w.logger.Error(fmt.Errorf("error when 'write' entry: %w", err).Error())
+		if err != nil {
+			w.logger.Error(fmt.Errorf("error when 'write' entry: %w", err).Error())
+		}
 	}()
 
 	return w.s.Write(ctx, row)