golang: 获取系统和应用的相关信息

一，代码：

1，controller/ImageController.go

//得到详情
func (ic *ImageController) Detail(c *gin.Context) {

    // gin版本
	ginVersion:=gin.Version
	// golang 版本
	golangVersion:=runtime.Version()
    // 操作系统环境
	os:=runtime.GOOS
	//arch
	arch:=runtime.GOARCH
	//协程的数量
	goroutineNum:=runtime.NumGoroutine()
	//进程 id
	pid:=syscall.Getpid()
	//得到协程id
	goroutineId := global.GetGoroutineId()
    //得到用户
	currentUser, err := user.Current()
	if err != nil {
		fmt.Println("无法获取当前用户信息:", err)
	}

	_, filename, line, _ := runtime.Caller(0)

	vcs:=global.GetVcs()

	c.JSON(http.StatusOK, gin.H{
		"go_version":golangVersion,          //go版本
		"gin_version":ginVersion,            //gin版本
		"os":os,            //操作系统
		"arch":arch,             //架构
		"goroutine_num":goroutineNum,              //当前协程数量
		"process_id":pid,               //当前进程id
		"goroutine_id":goroutineId,                //当前协程id
		"current_userId":currentUser.Uid,          //当前用户id
		"current_userName":currentUser.Username,   //当前用户名
		"start_time":global.AppStartTime.Format("2006-01-02 15:04:05"),   //进程启动时间
		"current_file":filename,    //当前代码文件
		"current_line":line,        //当前代码所在行
		"vcs_revision":vcs["revision"],       //git的commit
		"vcs_time":vcs["time"],                //git的commit的时间
		"vcs_modified":vcs["modified"],        //git此commit后是否又做了修改代码未提交
	})
	return
}

2, 用到的函数

//得到git的相关信息
func GetVcs() map[string]string {

	vcs := map[string]string{
		"revision": "",
		"time": "",
		"modified":   "",
	}


	bi, ok := debug.ReadBuildInfo()
	if !ok {
		fmt.Println("Build info not available")
		return vcs
	} else {
		for _, kv := range bi.Settings {
			switch kv.Key {
			case "vcs.revision":
				Revision := kv.Value
				vcs["revision"] = Revision
			case "vcs.time":
				buildTime, _ := time.ParseInLocation(time.RFC3339, kv.Value,time.Local)
				timeLocal := buildTime.In(time.Local)
				vcs["time"] = timeLocal.Format("2006-01-02 15:04:05")
			case "vcs.modified":
				DirtyBuild := kv.Value == "true"
				vcs["modified"] = fmt.Sprintf("%t", DirtyBuild)
			}
		}
		return vcs
	}
}

//得到协程id
func GetGoroutineId() int {
	buf := make([]byte, 32)
	n := runtime.Stack(buf, false)
	idField := strings.Fields(strings.TrimPrefix(string(buf[:n]), "goroutine "))[0]
	id, err := strconv.Atoi(idField)
	if err != nil {
		return -1
	}
	return id
}

 

二，测试效果