mirror of
https://github.com/nezhahq/nezha.git
synced 2025-01-22 20:58:14 -05:00
102 lines
2.5 KiB
Go
102 lines
2.5 KiB
Go
package singleton
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import (
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"bytes"
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"fmt"
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"sync"
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"github.com/robfig/cron/v3"
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"github.com/naiba/nezha/model"
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pb "github.com/naiba/nezha/proto"
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)
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var (
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Cron *cron.Cron
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Crons map[uint64]*model.Cron // [CrondID] -> *model.Cron
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CronLock sync.RWMutex
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)
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func InitCronTask() {
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Cron = cron.New(cron.WithSeconds(), cron.WithLocation(Loc))
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Crons = make(map[uint64]*model.Cron)
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}
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// LoadCronTasks 加载计划任务
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func LoadCronTasks() {
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InitCronTask()
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var crons []model.Cron
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DB.Find(&crons)
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var err error
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errMsg := new(bytes.Buffer)
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var notificationTagList []string
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for i := range crons {
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// 旧版本计划任务可能不存在通知组 为其添加默认通知组
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if crons[i].NotificationTag == "" {
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AddDefaultCronNotificationTag(&crons[i])
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}
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// 注册计划任务
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crons[i].CronJobID, err = Cron.AddFunc(crons[i].Scheduler, CronTrigger(crons[i]))
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if err == nil {
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Crons[crons[i].ID] = &crons[i]
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} else {
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if errMsg.Len() == 0 {
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errMsg.WriteString("调度失败的计划任务：[")
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}
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errMsg.WriteString(fmt.Sprintf("%d,", crons[i].ID))
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notificationTagList = append(notificationTagList, crons[i].NotificationTag)
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}
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}
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if errMsg.Len() > 0 {
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msg := errMsg.String() + "] 这些任务将无法正常执行,请进入后点重新修改保存。"
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for _, tag := range notificationTagList {
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// 向调度错误的计划任务所包含的所有通知组发送通知
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SendNotification(tag, msg, false)
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}
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}
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Cron.Start()
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}
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// AddDefaultCronNotificationTag 添加默认的计划任务通知组
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func AddDefaultCronNotificationTag(c *model.Cron) {
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CronLock.Lock()
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defer CronLock.Unlock()
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if c.NotificationTag == "" {
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c.NotificationTag = "default"
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}
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DB.Save(c)
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}
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func ManualTrigger(c model.Cron) {
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CronTrigger(c)()
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}
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func CronTrigger(cr model.Cron) func() {
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crIgnoreMap := make(map[uint64]bool)
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for j := 0; j < len(cr.Servers); j++ {
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crIgnoreMap[cr.Servers[j]] = true
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}
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return func() {
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ServerLock.RLock()
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defer ServerLock.RUnlock()
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for _, s := range ServerList {
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if cr.Cover == model.CronCoverAll && crIgnoreMap[s.ID] {
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continue
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}
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if cr.Cover == model.CronCoverIgnoreAll && !crIgnoreMap[s.ID] {
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continue
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}
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if s.TaskStream != nil {
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s.TaskStream.Send(&pb.Task{
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Id: cr.ID,
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Data: cr.Command,
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Type: model.TaskTypeCommand,
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})
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} else {
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SendNotification(cr.NotificationTag, fmt.Sprintf("[任务失败] %s，服务器 %s 离线，无法执行。", cr.Name, s.Name), false)
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}
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}
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}
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}
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