return "", "", nil
	}

	certPath := filepath.Join(certDir, "kubelet.cert")
	keyPath := filepath.Join(certDir, "kubelet.key")
	if err := removeThenCreate(certPath, cert, os.FileMode(0644)); err != nil {
		return "", "", err
	}

	if err := removeThenCreate(keyPath, key, os.FileMode(0600)); err != nil {
		return "", "", err
	}

	return certPath, keyPath, nil
}