// HasWatcher - returns if the storage system has a watcher.
func (store *IAMStoreSys) HasWatcher() bool {
	_, ok := store.IAMStorageAPI.(iamStorageWatcher)
	return ok
}

// GetUser - fetches credential from memory.
func (store *IAMStoreSys) GetUser(user string) (UserIdentity, bool) {
	cache := store.rlock()
	defer store.runlock()

	u, ok := cache.iamUsersMap[user]
	if !ok {
		// Check the sts map

	bucketName := r.Form.Get(peerRESTBucket)
	enableSha256 := r.Form.Get(peerRESTEnableSha256) == "true"
	enableMultipart := r.Form.Get(peerRESTEnableMultipart) == "true"

	u, ok := globalIAMSys.GetUser(r.Context(), r.Form.Get(peerRESTAccessKey))
	if !ok {
		s.writeErrorResponse(w, errAuthentication)
		return
	}

	size, err := strconv.Atoi(sizeStr)
	if err != nil {
		size = 64 * humanize.MiByte

	_, err = findColumnType(&RelationModel2{}, "id")
	if err == nil {
		t.Errorf("RelationModel2 should not be migrated")
	}
}

func TestMigrateView(t *testing.T) {
	DB.Save(GetUser("joins-args-db", Config{Pets: 2}))

	if err := DB.Migrator().CreateView("invalid_users_pets",
		gorm.ViewOption{Query: nil}); err != gorm.ErrSubQueryRequired {
		t.Fatalf("no view should be created, got %v", err)
	}

		return nil, errSRPeerNotFound
	}
	return getAdminClient(endpoint, creds.AccessKey, creds.SecretKey)
}

func (c *SiteReplicationSys) getPeerCreds() (*auth.Credentials, error) {
	u, ok := globalIAMSys.store.GetUser(c.state.ServiceAccountAccessKey)
	if !ok {
		return nil, errors.New("site replication service account not found")
	}
	return &u.Credentials, nil
}