}
	return nil, nil
}

func (v *validator) validateFile(path string, istioNamespace *string, defaultNamespace string, reader io.Reader, writer io.Writer,
) (validation.Warning, error) {
	yamlReader := kubeyaml.NewYAMLReader(bufio.NewReader(reader))
	var errs error
	var warnings validation.Warning
	for {
		doc, err := yamlReader.Read()
		if err == io.EOF {
			return warnings, errs
		}
		if err != nil {