Remove the skipped item from the resource list when it's skipped by BIA.

Signed-off-by: Xun Jiang <xun.jiang@broadcom.com>

pkg/backup/backed_up_items_map.go

@@ -98,6 +98,14 @@ func (m *backedUpItemsMap) AddItem(key itemKey) {
 	m.totalItems[key] = struct{}{}
 }
 
+func (m *backedUpItemsMap) DeleteItem(key itemKey) {
+	m.Lock()
+	defer m.Unlock()
+
+	delete(m.backedUpItems, key)
+	delete(m.totalItems, key)
+}
+
 func (m *backedUpItemsMap) AddItemToTotal(key itemKey) {
 	m.Lock()
 	defer m.Unlock()

pkg/backup/item_backupper.go

@@ -247,6 +247,8 @@ func (ib *itemBackupper) backupItemInternal(logger logrus.FieldLogger, obj runti
 	// If err is nil and updatedObj is nil, it means the item is skipped by plugin action,
 	// we should return here to avoid backing up the item, and avoid potential NPE in the following code.
 	if updatedObj == nil {
+		log.Infof("Remove item from the backup's backupItems list and totalItems list because it's skipped by plugin action.")
+		ib.backupRequest.BackedUpItems.DeleteItem(key)
 		return false, itemFiles, nil
 	}