'Remove one or more nodes from cluster'

def remove_nodes(self, cluster_name, num_nodes=None, aliases=None, terminate=True, force=False):

    cl = self.get_cluster(cluster_name)
    nodes = (cl.get_nodes(aliases) if aliases else None)
    return cl.remove_nodes(nodes=nodes, num_nodes=num_nodes, terminate=terminate, force=force)
