package filer import ( "github.com/seaweedfs/seaweedfs/weed/glog" "github.com/seaweedfs/seaweedfs/weed/util" "os" "reflect" "strings" ) var ( Stores []FilerStore ) func (f *Filer) LoadConfiguration(config *util.ViperProxy) (isFresh bool) { validateOneEnabledStore(config) // load configuration for default filer store hasDefaultStoreConfigured := false for _, store := range Stores { if config.GetBool(store.GetName() + ".enabled") { store = reflect.New(reflect.ValueOf(store).Elem().Type()).Interface().(FilerStore) if err := store.Initialize(config, store.GetName()+"."); err != nil { glog.Fatalf("failed to initialize store for %s: %+v", store.GetName(), err) } isFresh = f.SetStore(store) glog.V(0).Infof("configured filer store to %s", store.GetName()) hasDefaultStoreConfigured = true break } } if !hasDefaultStoreConfigured { println() println("Supported filer stores are:") for _, store := range Stores { println(" " + store.GetName()) } os.Exit(-1) } // load path-specific filer store here // f.Store.AddPathSpecificStore(path, store) storeNames := make(map[string]FilerStore) for _, store := range Stores { storeNames[store.GetName()] = store } allKeys := config.AllKeys() for _, key := range allKeys { if !strings.HasSuffix(key, ".enabled") { continue } key = key[:len(key)-len(".enabled")] if !strings.Contains(key, ".") { continue } parts := strings.Split(key, ".") storeName, storeId := parts[0], parts[1] store, found := storeNames[storeName] if !found { continue } if !config.GetBool(key + ".enabled") { continue } store = reflect.New(reflect.ValueOf(store).Elem().Type()).Interface().(FilerStore) if err := store.Initialize(config, key+"."); err != nil { glog.Fatalf("Failed to initialize store for %s: %+v", key, err) } location := config.GetString(key + ".location") if location == "" { glog.Errorf("path-specific filer store needs %s", key+".location") os.Exit(-1) } f.Store.AddPathSpecificStore(location, storeId, store) glog.V(0).Infof("configure filer %s for %s", store.GetName(), location) } return } func validateOneEnabledStore(config *util.ViperProxy) { enabledStore := "" for _, store := range Stores { if config.GetBool(store.GetName() + ".enabled") { if enabledStore == "" { enabledStore = store.GetName() } else { glog.Fatalf("Filer store is enabled for both %s and %s", enabledStore, store.GetName()) } } } }