[DB] Fix restore connection worker (#1281)

* Fix restore connection worker

* Update db.go

db/db.go

@@ -61,20 +61,12 @@ func New(uri, readUri string, logMode bool) (*Instance, error) {
 
 func (i *Instance) RestoreConnectionWorker(ctx context.Context, timeout time.Duration, uri string) {
 	log.Info("Run PG RestoreConnectionWorker")
-	t := time.NewTicker(timeout)
 
-	if err := i.restoreConnection(uri); err != nil {
-		log.Warn("PG is still unavailable:", err)
-	}
-
-	select {
-	case <-ctx.Done():
-		log.Info("Ctx.Done RestoreConnectionWorker exit")
-		return
-	case <-t.C:
+	for {
 		if err := i.restoreConnection(uri); err != nil {
-			log.Warn("PG is still unavailable:", err)
+			log.Error("PG is not available now")
 		}
+		time.Sleep(timeout)
 	}
 }
 
@@ -84,6 +76,8 @@ func (i *Instance) restoreConnection(uri string) error {
 		return err
 	}
 
+	log.Info("Run restoreConnection")
+
 	if err = db.Ping(); err != nil {
 		log.Warn("PG is not available now")
 		log.Warn("Trying to connect to PG...")