return "", err
	}

	meta, err := ensureChildMap(m, "metadata")
	if err != nil {
		return "", err
	}
	if meta["namespace"] != nil && meta["namespace"] != "" {
		return yamlText, nil
	}
	meta["namespace"] = ns

	by, err := yaml.Marshal(m)
	if err != nil {
		return "", err
	}

	return string(by), nil
}

func ensureChildMap(m map[string]any, name string) (map[string]any, error) {