docker-s3-backup/internal/schedule.go

package internal

import (
	"context"
	"time"

	"github.com/go-co-op/gocron"
)

var (
	scheduler *gocron.Scheduler
)

func StartSchedule(ctx context.Context) error {
	logger.Info("Starting schedule")
	cronExpression := GetEnvWithDefault("SCHEDULE_CRON", "0 0 * * *")
	scheduler = gocron.NewScheduler(time.Local)
	job, err := scheduler.Cron(cronExpression).Do(Backup, ctx)
	if err != nil {
		return err
	}
	logger.Debug("Next scheduled backup", "time", job.NextRun())
	scheduler.StartBlocking()
	return nil
}

func StopSchedule() {
	if scheduler != nil {
		scheduler.StopBlockingChan()
	}
}