@staticmethod
def _parse_instance_info(node):
    """Gets the instance specific Node deployment info.

        This method validates whether the 'instance_info' property of the
        supplied node contains the required or optional information properly
        for this driver to deploy images to the node.

        :param node: a target node of the deployment
        :returns:  the instance_info values of the node.
        :raises: InvalidParameterValue, if any of the parameters have invalid
            value.
        """
    deploy_info = node.instance_info.copy()
    return deploy_info
