Fix system_repository setting is restored after cluster metadata recovery from local disk (opensearch-project#10556)

Signed-off-by: bansvaru <bansvaru@amazon.com>

Author: linuxpi

server/src/internalClusterTest/java/org/opensearch/remotestore/RemoteStoreRepositoryRegistrationIT.java

@@ -8,21 +8,31 @@
 
 package org.opensearch.remotestore;
 
+import org.opensearch.action.admin.cluster.repositories.get.GetRepositoriesAction;
+import org.opensearch.action.admin.cluster.repositories.get.GetRepositoriesRequest;
+import org.opensearch.action.admin.cluster.repositories.get.GetRepositoriesResponse;
 import org.opensearch.client.Client;
 import org.opensearch.cluster.metadata.RepositoryMetadata;
 import org.opensearch.common.settings.Settings;
+import org.opensearch.common.xcontent.XContentType;
 import org.opensearch.core.common.unit.ByteSizeValue;
+import org.opensearch.core.xcontent.MediaTypeRegistry;
+import org.opensearch.core.xcontent.ToXContent;
+import org.opensearch.core.xcontent.XContentBuilder;
 import org.opensearch.plugins.Plugin;
 import org.opensearch.test.OpenSearchIntegTestCase;
 import org.opensearch.test.disruption.NetworkDisruption;
 import org.opensearch.test.transport.MockTransportService;
 
+import java.io.IOException;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
 import java.util.Set;
 import java.util.stream.Collectors;
 
+import static org.opensearch.repositories.blobstore.BlobStoreRepository.SYSTEM_REPOSITORY_SETTING;
+
 @OpenSearchIntegTestCase.ClusterScope(scope = OpenSearchIntegTestCase.Scope.TEST, numDataNodes = 0)
 public class RemoteStoreRepositoryRegistrationIT extends RemoteStoreBaseIntegTestCase {
 
@@ -162,4 +172,13 @@ public void testNodeRestartPostNonRestrictedSettingsUpdate() throws Exception {
 
         ensureStableCluster(4);
     }
+
+    public void testSystemRepositorySettingIsHiddenForGetRepositoriesRequest() throws IOException {
+        GetRepositoriesRequest request = new GetRepositoriesRequest(new String[] { REPOSITORY_NAME });
+        GetRepositoriesResponse repositoriesResponse = client().execute(GetRepositoriesAction.INSTANCE, request).actionGet();
+        XContentBuilder builder = MediaTypeRegistry.contentBuilder(randomFrom(XContentType.JSON));
+        XContentBuilder xContentBuilder = repositoriesResponse.toXContent(builder, ToXContent.EMPTY_PARAMS);
+        repositoriesResponse = GetRepositoriesResponse.fromXContent(createParser(xContentBuilder));
+        assertEquals(false, SYSTEM_REPOSITORY_SETTING.get(repositoriesResponse.repositories().get(0).settings()));
+    }
 }

server/src/main/java/org/opensearch/action/admin/cluster/repositories/get/GetRepositoriesResponse.java

@@ -42,8 +42,8 @@
 import org.opensearch.core.xcontent.XContentParser;
 
 import java.io.IOException;
-import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 
 import static org.opensearch.core.xcontent.XContentParserUtils.ensureExpectedToken;
 
@@ -83,7 +83,10 @@ public XContentBuilder toXContent(XContentBuilder builder, Params params) throws
         builder.startObject();
         repositories.toXContent(
             builder,
-            new DelegatingMapParams(Collections.singletonMap(RepositoriesMetadata.HIDE_GENERATIONS_PARAM, "true"), params)
+            new DelegatingMapParams(
+                Map.of(RepositoriesMetadata.HIDE_GENERATIONS_PARAM, "true", RepositoriesMetadata.HIDE_SYSTEM_REPOSITORY_SETTING, "true"),
+                params
+            )
         );
         builder.endObject();
         return builder;

server/src/main/java/org/opensearch/cluster/metadata/RepositoriesMetadata.java

@@ -70,6 +70,7 @@ public class RepositoriesMetadata extends AbstractNamedDiffable<Custom> implemen
      * in {@link org.opensearch.action.admin.cluster.repositories.get.GetRepositoriesResponse}.
      */
     public static final String HIDE_GENERATIONS_PARAM = "hide_generations";
+    public static final String HIDE_SYSTEM_REPOSITORY_SETTING = "hide_system_repository_setting";
 
     private final List<RepositoryMetadata> repositories;
 
@@ -291,7 +292,7 @@ public static void toXContent(RepositoryMetadata repository, XContentBuilder bui
             repository.cryptoMetadata().toXContent(repository.cryptoMetadata(), builder, params);
         }
         Settings settings = repository.settings();
-        if (SYSTEM_REPOSITORY_SETTING.get(settings)) {
+        if (SYSTEM_REPOSITORY_SETTING.get(settings) && params.paramAsBoolean(HIDE_SYSTEM_REPOSITORY_SETTING, false)) {
             settings = repository.settings().filter(s -> !s.equals(SYSTEM_REPOSITORY_SETTING.getKey()));
         }
         builder.startObject("settings");