for _, v := range nodesMap {
		nodes = append(nodes, v)
	}
	sort.Slice(nodes, func(i, j int) bool {
		return nodes[i].Host < nodes[j].Host
	})
	return
}

// GetPoolIdx return pool index
func (l EndpointServerPools) GetPoolIdx(pool string) int {
	for id, ep := range globalEndpoints {
		if ep.CmdLine != pool {
			continue
		}
		return id
	}
	return -1
}