Gracefull stop cronjob
Author: quanlndztCreated May 22, 2025Updated Dec 4, 2025
Hey team, I have problem with stop cron job. When I stop server while the job is running, it will be force close my job. I want to Gracefull stop the job Does have any solution for this?
Version
- go 1.24.2
- github.com/robfig/cron v1.2.0
Code sample
package main
import (
"fmt"
"os"
"os/signal"
"sync"
"syscall"
"time"
"github.com/robfig/cron"
)
var (
cronJob *cron.Cron
startOnce sync.Once
stopOnce sync.Once
)
func StartCronJobs() {
startOnce.Do(func() {
fmt.Println("[StartCronJobs] start cronjob")
cronJob = cron.New()
cronJob.Start()
cronJob.AddFunc("@every 10s", func() {
fmt.Println("Cron job running at", time.Now())
TestJob()
fmt.Println("Cron job running completed at", time.Now())
})
})
}
func TestJob() error {
time.Sleep(7 * time.Second)
return nil
}
func StopCronJobs() {
stopOnce.Do(func() {
fmt.Println("[StopCronJobs] stop at ", time.Now())
cronJob.Stop()
fmt.Println("[StopCronJobs] stop completed at", time.Now())
})
}
func main() {
c := make(chan os.Signal, 1)
signal.Notify(c, os.Interrupt, syscall.SIGTERM)
StartCronJobs()
<-c
fmt.Println("[Main] stop server")
StopCronJobs()
fmt.Println("[Main] stop server completed")
}
Reproduce
- Run my code
- When I run my code, when the job is running => Press Ctl +C to cancel the code
Result
[StartCronJobs] start cronjob
Cron job running at 2025-05-22 10:29:44.008364506 +0700 +07 m=+9.570125026
^C[Main] stop server
[StopCronJobs] stop at 2025-05-22 10:29:45.727787596 +0700 +07 m=+11.289548167
[StopCronJobs] stop completed at 2025-05-22 10:29:45.727830408 +0700 +07 m=+11.289590937
[Main] stop server completedSource: robfig/cron