Get grid-extras url of a node

        :param remote_node: remote node name
        :returns: grid-extras url

def _get_remote_node_url(self, remote_node):
        """Get grid-extras url of a node

        :param remote_node: remote node name
        :returns: grid-extras url
        """
        logging.getLogger("requests").setLevel(logging.WARNING)
        gridextras_port = 3000
        return 'http://{}:{}'.format(remote_node, gridextras_port)