propagate shared-config and library-option changes between instances

Add a Redis pub/sub invalidation bus, publish from the configuration and library-option write paths, and drop the matching local cache entry on the instances that did not write. No-op without a Redis connection string, and fails open when it is unreachable.
2026-09-20 23:47:21 +10:00
parent ec581b5e5f
commit b662ffa48f
16 changed files with 919 additions and 1 deletions
@@ -706,6 +706,8 @@ namespace Emby.Server.Implementations
            BaseItem.UserDataManager = Resolve<IUserDataManager>();
            CollectionFolder.XmlSerializer = _xmlSerializer;
            CollectionFolder.ApplicationHost = this;
+            CollectionFolder.InvalidationBus = Resolve<IConfigurationInvalidationBus>();
+            ConfigurationManager.InvalidationBus = CollectionFolder.InvalidationBus;
            Folder.UserViewManager = Resolve<IUserViewManager>();
            Folder.CollectionManager = Resolve<ICollectionManager>();
            Folder.LimitedConcurrencyLibraryScheduler = Resolve<ILimitedConcurrencyLibraryScheduler>();