mirror of https://github.com/ouqiang/gocron
应用优雅退出
parent
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@ -2,7 +2,7 @@
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# gocron - 定时任务web管理系统
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# 项目简介
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使用Go语言开发的定时任务集中调度和管理系统, 用于替代Linux-crontab
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使用Go语言开发的定时任务集中调度和管理系统, 用于替代Linux-crontab [查看文档](https://github.com/ouqiang/gocron/wiki)
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## 功能特性
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* 支持任务CURD
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22
cmd/web.go
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cmd/web.go
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@ -12,6 +12,7 @@ import (
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"github.com/ouqiang/gocron/service"
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"github.com/ouqiang/gocron/models"
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"github.com/ouqiang/gocron/modules/setting"
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"time"
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)
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// web服务器默认端口
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@ -45,6 +46,7 @@ func run(ctx *cli.Context) {
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// 捕捉信号,配置热更新等
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go catchSignal()
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m := macaron.Classic()
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// 注册路由
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routers.Register(m)
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// 注册中间件.
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@ -110,7 +112,25 @@ func catchSignal() {
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logger.Info("收到信号 -- ", s)
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switch s {
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case syscall.SIGHUP, syscall.SIGINT, syscall.SIGTERM:
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os.Exit(1)
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shutdown()
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}
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}
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}
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func shutdown() {
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logger.Info("应用准备退出\n停止任务调度")
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serviceTask := new(service.Task)
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// 停止所有任务调度
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serviceTask.StopAll()
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taskNumInRunning := service.TaskNum.Num()
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logger.Infof("正在运行的任务有%d个", taskNumInRunning)
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for {
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if taskNumInRunning <= 0 {
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break
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}
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time.Sleep(3 * time.Second)
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taskNumInRunning = service.TaskNum.Num()
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}
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logger.Info("已退出")
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os.Exit(0)
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}
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@ -81,9 +81,11 @@ func write(level Level, v ...interface{}) {
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defer logger.Flush()
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content := ""
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pc, file, line, ok := runtime.Caller(2)
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if ok {
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content = fmt.Sprintf("#%s#%s#%d行#", file, runtime.FuncForPC(pc).Name(), line)
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if macaron.Env == macaron.DEV {
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pc, file, line, ok := runtime.Caller(2)
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if ok {
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content = fmt.Sprintf("#%s#%s#%d行#", file, runtime.FuncForPC(pc).Name(), line)
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}
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}
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switch level {
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@ -105,9 +107,11 @@ func writef(level Level, format string, v ...interface{}) {
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defer logger.Flush()
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content := ""
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pc, file, line, ok := runtime.Caller(2)
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if ok {
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content = fmt.Sprintf("#%s#%s#%d行#", file, runtime.FuncForPC(pc).Name(), line)
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if macaron.Env == macaron.DEV {
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pc, file, line, ok := runtime.Caller(2)
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if ok {
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content = fmt.Sprintf("#%s#%s#%d行#", file, runtime.FuncForPC(pc).Name(), line)
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}
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}
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format = content + format
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@ -12,10 +12,40 @@ import (
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"fmt"
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"github.com/ouqiang/gocron/modules/httpclient"
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"github.com/ouqiang/gocron/modules/notify"
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"sync"
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)
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// 定时任务调度管理器
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var Cron *cron.Cron
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// 同一任务是否有实例处于运行中
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var runInstance Instance
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// 任务计数-正在运行中的任务
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var TaskNum TaskCount
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// 任务计数
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type TaskCount struct {
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num int
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sync.RWMutex
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}
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func (c *TaskCount) Add() {
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c.Lock()
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defer c.Unlock()
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c.num += 1
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}
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func (c *TaskCount) Done() {
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c.Lock()
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defer c.Unlock()
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c.num -= 1
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}
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func (c *TaskCount) Num() int {
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c.RLock()
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defer c.RUnlock()
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return c.num
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}
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// 任务ID作为Key, 不会出现并发写, 不加锁
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type Instance struct {
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@ -54,6 +84,8 @@ func (task *Task) Initialize() {
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Cron = cron.New()
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Cron.Start()
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runInstance = Instance{make(map[int]bool)}
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TaskNum = TaskCount{0, sync.RWMutex{}}
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taskModel := new(models.Task)
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taskList, err := taskModel.ActiveList()
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if err != nil {
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@ -91,6 +123,11 @@ func (task *Task) Add(taskModel models.TaskHost) {
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}
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}
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// 停止所有任务
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func (task *Task) StopAll() {
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Cron.Stop()
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}
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// 直接运行任务
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func (task *Task) Run(taskModel models.TaskHost) {
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go createJob(taskModel)()
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@ -231,6 +268,8 @@ func createJob(taskModel models.TaskHost) cron.FuncJob {
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return nil
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}
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taskFunc := func() {
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TaskNum.Add()
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defer TaskNum.Done()
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taskLogId := beforeExecJob(&taskModel)
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if taskLogId <= 0 {
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return
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