'Change a node size.
:param      node: Node to resize.
:type       node: :class:`Node`
:type       size: :class:`NodeSize`
:param      size: New size to use.
:rtype: ``bool``'

def ex_resize(self, node, size):

    server_params = self._create_args_to_params(node, size=size)
    resp = self._node_action(node, 'resize', **server_params)
    return (resp.status == httplib.ACCEPTED)
