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main.go
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main.go
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package main
import (
"jsfraz/mega-backuper/models"
"jsfraz/mega-backuper/utils"
"log"
"strconv"
"time"
"github.com/go-co-op/gocron"
"github.com/t3rm1n4l/go-mega"
)
func main() {
// singleton
singleton := utils.GetSingleton()
// log settings
log.SetPrefix("mega-backuper: ")
log.SetFlags(log.LstdFlags | log.LUTC | log.Lmicroseconds)
log.Println("Started.")
// load settings or exit
settings := utils.LoadSettings()
// validate struct or exit
utils.ValidateSettings(settings)
// add settinsg to singleton
singleton.Settings = settings
// add mega instance to singleton
singleton.Mega = mega.New()
// login or exit
utils.MegaLogin()
// check volumes
utils.CheckVolumes()
// task scheduler
scheduler := gocron.NewScheduler(time.UTC)
// iterate trough backups
log.Println("Initializing jobs...")
for _, b := range settings.Backups {
backup := b // creating a new variable to capture the current value
var backupFunc func()
// volume backup
if backup.Type == models.Volume {
backupFunc = func() {
handleBackup(backup, utils.BackupVolume)
}
}
// mysql dump backup
if backup.Type == models.Mysql {
backupFunc = func() {
// TODO mysql dump backup
handleBackup(backup, func(backup models.Backup) error {
log.Println("TODO mysql dump backup")
return nil
})
}
}
scheduler.Cron(backup.Cron).Do(backupFunc)
log.Println("Added [" + string(backup.Type) + "] backup job '" + backup.Name + "'.")
}
// check if job list is empty or not
if len(scheduler.Jobs()) != 0 {
// start blocking
log.Println("Started scheduler. Total jobs: " + strconv.Itoa(len(scheduler.Jobs())))
scheduler.StartBlocking()
} else {
// exit
log.Fatalln("No backup job was set.")
}
}
// Wrapper function for actual backup function. Logs backing up/succes/fail.
//
// @param backup
// @param backupFunc
func handleBackup(backup models.Backup, backupFunc func(backup models.Backup) error) {
log.Println("Backing up [" + string(backup.Type) + "] backup job '" + backup.Name + "'...")
err := backupFunc(backup)
if err != nil {
log.Println("Failed to backup ["+string(backup.Type)+"] backup job '"+backup.Name+"': ", err)
} else {
log.Println("Successfully backed up [" + string(backup.Type) + "] backup job '" + backup.Name + "'.")
}
}