/*
*
@author: sre
@date: 2023/11/19 0019
@desc: todo
*
*/
package main

import "strings"

// getCPUInfo 获取cpu核心 使用率
func getCPUInfo(ip, port string) (int, float64, error) {
	var cpuTotal, cpuIdle float64
	var cpuCount int
	data, err := getMetrics(ip, port)
	if err != nil {
		return 0, 0, err

	}
	// 解析metrics数据
	lines := strings.Split(data, "\n")
	for _, line := range lines {
		//有两个版本的Metrics node_cpu_seconds_total and node_cpu
		if strings.HasPrefix(line, "node_cpu{cpu=") || strings.HasPrefix(line, "node_cpu_seconds_total") || strings.HasPrefix(line, "windows_cpu_time_total") {
			fields := strings.Fields(line)
			if len(fields) == 2 {
				cpuData, err := extractMetricValue(fields[1])
				if err != nil {
					//fmt.Println("无法提取指标值: ", err)
					return 0, 0, err
				}
				cpuTotal += cpuData
				if strings.Contains(line, "mode=\"idle\"") {
					cpuIdle += cpuData
					cpuCount += 1
				}
			}
		}
	}
	return cpuCount, (1 - cpuIdle/cpuTotal), nil
}