Refresh worker LastOnline when worker updates

manager/db.go

@@ -17,6 +17,7 @@ type dbAdapter interface {
 	GetWorker(workerID string) (WorkerStatus, error)
 	DeleteWorker(workerID string) error
 	CreateWorker(w WorkerStatus) (WorkerStatus, error)
+	RefreshWorker(workerID string) (WorkerStatus, error)
 	UpdateMirrorStatus(workerID, mirrorID string, status MirrorStatus) (MirrorStatus, error)
 	GetMirrorStatus(workerID, mirrorID string) (MirrorStatus, error)
 	ListMirrorStatus(workerID string) ([]MirrorStatus, error)
@@ -125,6 +126,15 @@ func (b *boltAdapter) CreateWorker(w WorkerStatus) (WorkerStatus, error) {
 	return w, err
 }
 
+func (b *boltAdapter) RefreshWorker(workerID string) (w WorkerStatus, err error) {
+	w, err = b.GetWorker(workerID)
+	if err == nil {
+		w.LastOnline = time.Now()
+		w, err = b.CreateWorker(w)
+	}
+	return w, err
+}
+
 func (b *boltAdapter) UpdateMirrorStatus(workerID, mirrorID string, status MirrorStatus) (MirrorStatus, error) {
 	id := mirrorID + "/" + workerID
 	err := b.db.Update(func(tx *bolt.Tx) error {