func (ies *IAMEtcdStore) loadIAMConfig(ctx context.Context, item interface{}, path string) error {
	data, err := readKeyEtcd(ctx, ies.client, path)
	if err != nil {
		return err
	}
	return getIAMConfig(item, data, path)
}

func (ies *IAMEtcdStore) loadIAMConfigBytes(ctx context.Context, path string) ([]byte, error) {
	data, err := readKeyEtcd(ctx, ies.client, path)
	if err != nil {
		return nil, err
	}
	return decryptData(data, path)