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machine/status.go

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+package machine
+
+import (
+	"mayfly-go/base"
+	"mayfly-go/base/utils"
+	"strconv"
+	"strings"
+)
+
+type SystemVersion struct {
+	Version string
+}
+
+func GetSystemVersion(cli *Cli) *SystemVersion {
+	res := cli.Run("cat /etc/redhat-release")
+	return &SystemVersion{
+		Version: res,
+	}
+}
+
+//top - 17:14:07 up 5 days,  6:30,  2 users,  load average: 0.03, 0.04, 0.05
+//Tasks: 101 total,   1 running, 100 sleeping,   0 stopped,   0 zombie
+//%Cpu(s):  6.2 us,  0.0 sy,  0.0 ni, 93.8 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
+//KiB Mem :  1882012 total,    73892 free,   770360 used,  1037760 buff/cache
+//KiB Swap:        0 total,        0 free,        0 used.   933492 avail Mem
+type Top struct {
+	Time string `json:"time"`
+	// 从本次开机到现在经过的时间
+	Up string `json:"up"`
+	// 当前有几个用户登录到该机器
+	NowUsers int `json:"nowUsers"`
+	// load average: 0.03, 0.04, 0.05 (系统1分钟、5分钟、15分钟内的平均负载值)
+	OneMinLoadavg     float32 `json:"oneMinLoadavg"`
+	FiveMinLoadavg    float32 `json:"fiveMinLoadavg"`
+	FifteenMinLoadavg float32 `json:"fifteenMinLoadavg"`
+	// 进程总数
+	TotalTask int `json:"totalTask"`
+	// 正在运行的进程数，对应状态TASK_RUNNING
+	RunningTask  int `json:"runningTask"`
+	SleepingTask int `json:"sleepingTask"`
+	StoppedTask  int `json:"stoppedTask"`
+	ZombieTask   int `json:"zombieTask"`
+	// 进程在用户空间（user）消耗的CPU时间占比，不包含调整过优先级的进程
+	CpuUs float32 `json:"cpuUs"`
+	// 进程在内核空间（system）消耗的CPU时间占比
+	CpuSy float32 `json:"cpuSy"`
+	// 调整过用户态优先级的（niced）进程的CPU时间占比
+	CpuNi float32 `json:"cpuNi"`
+	// 空闲的（idle）CPU时间占比
+	CpuId float32 `json:"cpuId"`
+	// 等待（wait）I/O完成的CPU时间占比
+	CpuWa float32 `json:"cpuWa"`
+	// 处理硬中断（hardware interrupt）的CPU时间占比
+	CpuHi float32 `json:"cpuHi"`
+	// 处理硬中断（hardware interrupt）的CPU时间占比
+	CpuSi float32 `json:"cpuSi"`
+	// 当Linux系统是在虚拟机中运行时，等待CPU资源的时间（steal time）占比
+	CpuSt float32 `json:"cpuSt"`
+
+	TotalMem int `json:"totalMem"`
+	FreeMem  int `json:"freeMem"`
+	UsedMem  int `json:"usedMem"`
+	CacheMem int `json:"cacheMem"`
+
+	TotalSwap int `json:"totalSwap"`
+	FreeSwap  int `json:"freeSwap"`
+	UsedSwap  int `json:"usedSwap"`
+	AvailMem  int `json:"availMem"`
+}
+
+func GetTop(cli *Cli) *Top {
+	res := cli.Run("top -b -n 1 | head -5")
+	topTemp := "top - {upAndUsers},  load average: {loadavg}\n" +
+		"Tasks:{totalTask} total,{runningTask} running,{sleepingTask} sleeping,{stoppedTask} stopped,{zombieTask} zombie\n" +
+		"%Cpu(s):{cpuUs} us,{cpuSy} sy,{cpuNi} ni,{cpuId} id,{cpuWa} wa,{cpuHi} hi,{cpuSi} si,{cpuSt} st\n" +
+		"KiB Mem :{totalMem} total,{freeMem} free,{usedMem} used,{cacheMem} buff/cache\n" +
+		"KiB Swap:{totalSwap} total,{freeSwap} free,{usedSwap} used. {availMem} avail Mem \n"
+	resMap := make(map[string]interface{})
+	utils.ReverStrTemplate(topTemp, res, resMap)
+
+	//17:14:07 up 5 days,  6:30,  2
+	timeUpAndUserStr := resMap["upAndUsers"].(string)
+	timeUpAndUser := strings.Split(timeUpAndUserStr, "up")
+	time := utils.StrTrim(timeUpAndUser[0])
+	upAndUsers := strings.Split(timeUpAndUser[1], ",")
+	up := utils.StrTrim(upAndUsers[0]) + upAndUsers[1]
+	users, _ := strconv.Atoi(utils.StrTrim(strings.Split(utils.StrTrim(upAndUsers[2]), " ")[0]))
+	// 0.03, 0.04, 0.05
+	loadavgs := strings.Split(resMap["loadavg"].(string), ",")
+	oneMinLa, _ := strconv.ParseFloat(loadavgs[0], 32)
+	fiveMinLa, _ := strconv.ParseFloat(utils.StrTrim(loadavgs[1]), 32)
+	fifMinLa, _ := strconv.ParseFloat(utils.StrTrim(loadavgs[2]), 32)
+
+	top := &Top{Time: time, Up: up, NowUsers: users, OneMinLoadavg: float32(oneMinLa), FiveMinLoadavg: float32(fiveMinLa), FifteenMinLoadavg: float32(fifMinLa)}
+	err := utils.Map2Struct(resMap, top)
+	base.BizErrIsNil(err, "解析top出错")
+	return top
+}
+
+type Status struct {
+	// 系统版本
+	SysVersion SystemVersion
+	// top信息
+	Top Top
+}