Unguice Snapshot / Restore services (#42357)

This removes the @Inject annotations from the Snapshot/Restore infrastructure
classes and registers them manually in Node.java

server/src/main/java/org/elasticsearch/action/admin/cluster/snapshots/status/TransportNodesSnapshotsStatus.java

@@ -30,7 +30,6 @@
 import org.elasticsearch.cluster.ClusterName;
 import org.elasticsearch.cluster.node.DiscoveryNode;
 import org.elasticsearch.cluster.service.ClusterService;
-import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.index.shard.ShardId;
@@ -60,7 +59,6 @@ public class TransportNodesSnapshotsStatus extends TransportNodesAction<Transpor
 
     private final SnapshotShardsService snapshotShardsService;
 
-    @Inject
     public TransportNodesSnapshotsStatus(ThreadPool threadPool, ClusterService clusterService,
                                          TransportService transportService, SnapshotShardsService snapshotShardsService,
                                          ActionFilters actionFilters) {

server/src/main/java/org/elasticsearch/node/Node.java

@@ -28,6 +28,7 @@
 import org.elasticsearch.ElasticsearchTimeoutException;
 import org.elasticsearch.action.Action;
 import org.elasticsearch.action.ActionModule;
+import org.elasticsearch.action.admin.cluster.snapshots.status.TransportNodesSnapshotsStatus;
 import org.elasticsearch.action.search.SearchExecutionStatsCollector;
 import org.elasticsearch.action.search.SearchPhaseController;
 import org.elasticsearch.action.search.SearchTransportService;
@@ -135,12 +136,14 @@
 import org.elasticsearch.plugins.ScriptPlugin;
 import org.elasticsearch.plugins.SearchPlugin;
 import org.elasticsearch.repositories.RepositoriesModule;
+import org.elasticsearch.repositories.RepositoriesService;
 import org.elasticsearch.rest.RestController;
 import org.elasticsearch.script.ScriptModule;
 import org.elasticsearch.script.ScriptService;
 import org.elasticsearch.search.SearchModule;
 import org.elasticsearch.search.SearchService;
 import org.elasticsearch.search.fetch.FetchPhase;
+import org.elasticsearch.snapshots.RestoreService;
 import org.elasticsearch.snapshots.SnapshotShardsService;
 import org.elasticsearch.snapshots.SnapshotsService;
 import org.elasticsearch.tasks.Task;
@@ -478,8 +481,17 @@ protected Node(
             final HttpServerTransport httpServerTransport = newHttpTransport(networkModule);
 
 
-            modules.add(new RepositoriesModule(this.environment, pluginsService.filterPlugins(RepositoryPlugin.class), transportService,
-                clusterService, threadPool, xContentRegistry));
+            RepositoriesModule repositoriesModule = new RepositoriesModule(this.environment,
+                pluginsService.filterPlugins(RepositoryPlugin.class), transportService, clusterService, threadPool, xContentRegistry);
+            RepositoriesService repositoryService = repositoriesModule.getRepositoryService();
+            SnapshotsService snapshotsService = new SnapshotsService(settings, clusterService,
+                clusterModule.getIndexNameExpressionResolver(), repositoryService, threadPool);
+            SnapshotShardsService snapshotShardsService = new SnapshotShardsService(settings, clusterService, snapshotsService, threadPool,
+                transportService, indicesService, actionModule.getActionFilters(), clusterModule.getIndexNameExpressionResolver());
+            TransportNodesSnapshotsStatus nodesSnapshotsStatus = new TransportNodesSnapshotsStatus(threadPool, clusterService,
+                transportService, snapshotShardsService, actionModule.getActionFilters());
+            RestoreService restoreService = new RestoreService(clusterService, repositoryService, clusterModule.getAllocationService(),
+                metaDataCreateIndexService, metaDataIndexUpgradeService, clusterService.getClusterSettings());
 
             final DiscoveryModule discoveryModule = new DiscoveryModule(settings, threadPool, transportService, namedWriteableRegistry,
                 networkService, clusterService.getMasterService(), clusterService.getClusterApplierService(),
@@ -554,6 +566,11 @@ protected Node(
                     b.bind(PersistentTasksService.class).toInstance(persistentTasksService);
                     b.bind(PersistentTasksClusterService.class).toInstance(persistentTasksClusterService);
                     b.bind(PersistentTasksExecutorRegistry.class).toInstance(registry);
+                    b.bind(RepositoriesService.class).toInstance(repositoryService);
+                    b.bind(SnapshotsService.class).toInstance(snapshotsService);
+                    b.bind(SnapshotShardsService.class).toInstance(snapshotShardsService);
+                    b.bind(TransportNodesSnapshotsStatus.class).toInstance(nodesSnapshotsStatus);
+                    b.bind(RestoreService.class).toInstance(restoreService);
                 }
             );
             injector = modules.createInjector();

server/src/main/java/org/elasticsearch/repositories/RepositoriesModule.java

@@ -19,16 +19,12 @@
 
 package org.elasticsearch.repositories;
 
-import org.elasticsearch.action.admin.cluster.snapshots.status.TransportNodesSnapshotsStatus;
 import org.elasticsearch.cluster.service.ClusterService;
-import org.elasticsearch.common.inject.AbstractModule;
+import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.NamedXContentRegistry;
 import org.elasticsearch.env.Environment;
 import org.elasticsearch.plugins.RepositoryPlugin;
 import org.elasticsearch.repositories.fs.FsRepository;
-import org.elasticsearch.snapshots.RestoreService;
-import org.elasticsearch.snapshots.SnapshotShardsService;
-import org.elasticsearch.snapshots.SnapshotsService;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.elasticsearch.transport.TransportService;
 
@@ -40,7 +36,7 @@
 /**
  * Sets up classes for Snapshot/Restore.
  */
-public class RepositoriesModule extends AbstractModule {
+public final class RepositoriesModule {
 
     private final RepositoriesService repositoriesService;
 
@@ -72,18 +68,14 @@ public RepositoriesModule(Environment env, List<RepositoryPlugin> repoPlugins, T
             }
         }
 
+        Settings settings = env.settings();
         Map<String, Repository.Factory> repositoryTypes = Collections.unmodifiableMap(factories);
         Map<String, Repository.Factory> internalRepositoryTypes = Collections.unmodifiableMap(internalFactories);
-        repositoriesService = new RepositoriesService(env.settings(), clusterService, transportService, repositoryTypes,
+        repositoriesService = new RepositoriesService(settings, clusterService, transportService, repositoryTypes,
             internalRepositoryTypes, threadPool);
     }
 
-    @Override
-    protected void configure() {
-        bind(RepositoriesService.class).toInstance(repositoriesService);
-        bind(SnapshotsService.class).asEagerSingleton();
-        bind(SnapshotShardsService.class).asEagerSingleton();
-        bind(TransportNodesSnapshotsStatus.class).asEagerSingleton();
-        bind(RestoreService.class).asEagerSingleton();
+    public RepositoriesService getRepositoryService() {
+        return repositoriesService;
     }
 }

server/src/main/java/org/elasticsearch/snapshots/RestoreService.java

@@ -58,7 +58,6 @@
 import org.elasticsearch.common.Priority;
 import org.elasticsearch.common.UUIDs;
 import org.elasticsearch.common.collect.ImmutableOpenMap;
-import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.lucene.Lucene;
 import org.elasticsearch.common.regex.Regex;
 import org.elasticsearch.common.settings.ClusterSettings;
@@ -152,7 +151,6 @@ public class RestoreService implements ClusterStateApplier {
 
     private final CleanRestoreStateTaskExecutor cleanRestoreStateTaskExecutor;
 
-    @Inject
     public RestoreService(ClusterService clusterService, RepositoriesService repositoriesService,
                           AllocationService allocationService, MetaDataCreateIndexService createIndexService,
                           MetaDataIndexUpgradeService metaDataIndexUpgradeService, ClusterSettings clusterSettings) {

server/src/main/java/org/elasticsearch/snapshots/SnapshotShardsService.java

@@ -48,7 +48,6 @@
 import org.elasticsearch.common.Priority;
 import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.component.AbstractLifecycleComponent;
-import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
 import org.elasticsearch.common.settings.Settings;
@@ -114,7 +113,6 @@ public class SnapshotShardsService extends AbstractLifecycleComponent implements
     private final SnapshotStateExecutor snapshotStateExecutor = new SnapshotStateExecutor();
     private final UpdateSnapshotStatusAction updateSnapshotStatusHandler;
 
-    @Inject
     public SnapshotShardsService(Settings settings, ClusterService clusterService, SnapshotsService snapshotsService,
                                  ThreadPool threadPool, TransportService transportService, IndicesService indicesService,
                                  ActionFilters actionFilters, IndexNameExpressionResolver indexNameExpressionResolver) {

server/src/main/java/org/elasticsearch/snapshots/SnapshotsService.java

@@ -56,7 +56,6 @@
 import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.collect.Tuple;
 import org.elasticsearch.common.component.AbstractLifecycleComponent;
-import org.elasticsearch.common.inject.Inject;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.common.util.concurrent.AbstractRunnable;
@@ -130,7 +129,6 @@ public class SnapshotsService extends AbstractLifecycleComponent implements Clus
     // Set of snapshots that are currently being ended by this node
     private final Set<Snapshot> endingSnapshots = Collections.synchronizedSet(new HashSet<>());
 
-    @Inject
     public SnapshotsService(Settings settings, ClusterService clusterService, IndexNameExpressionResolver indexNameExpressionResolver,
                             RepositoriesService repositoriesService, ThreadPool threadPool) {
         this.clusterService = clusterService;