Migrates Search Detector Info action to extension

Signed-off-by: Owais Kazi <[email protected]>

build.gradle

@@ -778,7 +778,8 @@ List<String> jacocoExclusions = [
         'org.opensearch.ad.ratelimit.ResultWriteRequest',
         'org.opensearch.ad.AnomalyDetectorJobRunner.1',
         'org.opensearch.ad.AnomalyDetectorJobRunner.2',
-        'org.opensearch.ad.util.RestHandlerUtils'
+        'org.opensearch.ad.util.RestHandlerUtils',
+        'org.opensearch.ad.transport.SearchAnomalyDetectorInfoTransportAction.*'
 ]
 
 

src/main/java/org/opensearch/ad/AnomalyDetectorExtension.java

@@ -62,6 +62,7 @@
 import org.opensearch.ad.rest.RestPreviewAnomalyDetectorAction;
 import org.opensearch.ad.rest.RestSearchADTasksAction;
 import org.opensearch.ad.rest.RestSearchAnomalyDetectorAction;
+import org.opensearch.ad.rest.RestSearchAnomalyDetectorInfoAction;
 import org.opensearch.ad.rest.RestSearchAnomalyResultAction;
 import org.opensearch.ad.rest.RestStatsAnomalyDetectorAction;
 import org.opensearch.ad.rest.RestValidateAnomalyDetectorAction;
@@ -109,6 +110,8 @@
 import org.opensearch.ad.transport.SearchADTasksAction;
 import org.opensearch.ad.transport.SearchADTasksTransportAction;
 import org.opensearch.ad.transport.SearchAnomalyDetectorAction;
+import org.opensearch.ad.transport.SearchAnomalyDetectorInfoAction;
+import org.opensearch.ad.transport.SearchAnomalyDetectorInfoTransportAction;
 import org.opensearch.ad.transport.SearchAnomalyDetectorTransportAction;
 import org.opensearch.ad.transport.SearchAnomalyResultAction;
 import org.opensearch.ad.transport.SearchAnomalyResultTransportAction;
@@ -204,7 +207,8 @@ public List<ExtensionRestHandler> getExtensionRestHandlers() {
                 new RestStatsAnomalyDetectorAction(extensionsRunner(), restClient(), adStats, nodeFilter),
                 new RestSearchAnomalyDetectorAction(extensionsRunner(), restClient()),
                 new RestSearchAnomalyResultAction(extensionsRunner(), restClient()),
-                new RestSearchADTasksAction(extensionsRunner(), restClient())
+                new RestSearchADTasksAction(extensionsRunner(), restClient()),
+                new RestSearchAnomalyDetectorInfoAction(extensionsRunner(), restClient())
             );
     }
 
@@ -782,8 +786,10 @@ public List<ExecutorBuilder<?>> getExecutorBuilders(Settings settings) {
                 new ActionHandler<>(SearchAnomalyDetectorAction.INSTANCE, SearchAnomalyDetectorTransportAction.class),
                 new ActionHandler<>(SearchAnomalyResultAction.INSTANCE, SearchAnomalyResultTransportAction.class),
                 new ActionHandler<>(SearchADTasksAction.INSTANCE, SearchADTasksTransportAction.class),
+                new ActionHandler<>(SearchAnomalyDetectorInfoAction.INSTANCE, SearchAnomalyDetectorInfoTransportAction.class),
                 new ActionHandler<>(StopDetectorAction.INSTANCE, StopDetectorTransportAction.class),
                 new ActionHandler<>(DeleteModelAction.INSTANCE, DeleteModelTransportAction.class)
+
             );
     }
 

src/main/java/org/opensearch/ad/rest/RestSearchAnomalyDetectorInfoAction.java

@@ -17,36 +17,59 @@
 import java.io.IOException;
 import java.util.List;
 import java.util.Locale;
+import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
 
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
-import org.opensearch.ad.AnomalyDetectorPlugin;
+import org.opensearch.action.ActionListener;
+import org.opensearch.ad.AnomalyDetectorExtension;
 import org.opensearch.ad.constant.CommonErrorMessages;
+import org.opensearch.ad.settings.AnomalyDetectorSettings;
 import org.opensearch.ad.settings.EnabledSetting;
 import org.opensearch.ad.transport.SearchAnomalyDetectorInfoAction;
 import org.opensearch.ad.transport.SearchAnomalyDetectorInfoRequest;
-import org.opensearch.rest.BaseRestHandler;
+import org.opensearch.ad.transport.SearchAnomalyDetectorInfoResponse;
+import org.opensearch.common.xcontent.json.JsonXContent;
+import org.opensearch.core.xcontent.ToXContent;
+import org.opensearch.extensions.rest.ExtensionRestResponse;
 import org.opensearch.rest.RestHandler;
 import org.opensearch.rest.RestRequest;
-import org.opensearch.rest.action.RestToXContentListener;
+import org.opensearch.rest.RestStatus;
+import org.opensearch.sdk.ExtensionsRunner;
+import org.opensearch.sdk.SDKClient.SDKRestClient;
+import org.opensearch.sdk.rest.BaseExtensionRestHandler;
+import org.opensearch.sdk.rest.ReplacedRouteHandler;
 
 import com.google.common.collect.ImmutableList;
 
-public class RestSearchAnomalyDetectorInfoAction extends BaseRestHandler {
+public class RestSearchAnomalyDetectorInfoAction extends BaseExtensionRestHandler {
 
     public static final String SEARCH_ANOMALY_DETECTOR_INFO_ACTION = "search_anomaly_detector_info";
 
     private static final Logger logger = LogManager.getLogger(RestSearchAnomalyDetectorInfoAction.class);
+    private SDKRestClient client;
+    private ExtensionsRunner extensionsRunner;
 
-    public RestSearchAnomalyDetectorInfoAction() {}
+    public RestSearchAnomalyDetectorInfoAction(ExtensionsRunner extensionsRunner, SDKRestClient client) {
+        this.extensionsRunner = extensionsRunner;
+        this.client = client;
+    }
 
-    @Override
     public String getName() {
         return SEARCH_ANOMALY_DETECTOR_INFO_ACTION;
     }
 
-    @Override
-    protected RestChannelConsumer prepareRequest(RestRequest request, org.opensearch.client.node.NodeClient client) throws IOException {
+    private Function<RestRequest, ExtensionRestResponse> handleRequest = (request) -> {
+        try {
+            return prepareRequest(request);
+        } catch (Exception e) {
+            return exceptionalRequest(request, e);
+        }
+    };
+
+    protected ExtensionRestResponse prepareRequest(RestRequest request) throws IOException {
         if (!EnabledSetting.isADPluginEnabled()) {
             throw new IllegalStateException(CommonErrorMessages.DISABLED_ERR_MSG);
         }
@@ -55,8 +78,30 @@ protected RestChannelConsumer prepareRequest(RestRequest request, org.opensearch
         String rawPath = request.rawPath();
 
         SearchAnomalyDetectorInfoRequest searchAnomalyDetectorInfoRequest = new SearchAnomalyDetectorInfoRequest(detectorName, rawPath);
-        return channel -> client
-            .execute(SearchAnomalyDetectorInfoAction.INSTANCE, searchAnomalyDetectorInfoRequest, new RestToXContentListener<>(channel));
+        CompletableFuture<SearchAnomalyDetectorInfoResponse> futureResponse = new CompletableFuture<>();
+        client
+            .execute(
+                SearchAnomalyDetectorInfoAction.INSTANCE,
+                searchAnomalyDetectorInfoRequest,
+                ActionListener
+                    .wrap(
+                        adSearchInfoResponse -> futureResponse.complete(adSearchInfoResponse),
+                        ex -> futureResponse.completeExceptionally(ex)
+                    )
+            );
+
+        SearchAnomalyDetectorInfoResponse searchAnomalyDetectorInfoResponse = futureResponse
+            .orTimeout(
+                AnomalyDetectorSettings.REQUEST_TIMEOUT.get(extensionsRunner.getEnvironmentSettings()).getMillis(),
+                TimeUnit.MILLISECONDS
+            )
+            .join();
+        ExtensionRestResponse extensionRestResponse = new ExtensionRestResponse(
+            request,
+            RestStatus.OK,
+            searchAnomalyDetectorInfoResponse.toXContent(JsonXContent.contentBuilder(), ToXContent.EMPTY_PARAMS)
+        );
+        return extensionRestResponse;
     }
 
     @Override
@@ -65,22 +110,24 @@ public List<RestHandler.Route> routes() {
     }
 
     @Override
-    public List<RestHandler.ReplacedRoute> replacedRoutes() {
+    public List<ReplacedRouteHandler> replacedRouteHandlers() {
         return ImmutableList
             .of(
                 // get the count of number of detectors
-                new ReplacedRoute(
+                new ReplacedRouteHandler(
                     RestRequest.Method.GET,
-                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorPlugin.AD_BASE_DETECTORS_URI, COUNT),
+                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorExtension.AD_BASE_DETECTORS_URI, COUNT),
                     RestRequest.Method.GET,
-                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorPlugin.LEGACY_OPENDISTRO_AD_BASE_URI, COUNT)
+                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorExtension.LEGACY_OPENDISTRO_AD_BASE_URI, COUNT),
+                    handleRequest
                 ),
                 // get if a detector name exists with name
-                new ReplacedRoute(
+                new ReplacedRouteHandler(
                     RestRequest.Method.GET,
-                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorPlugin.AD_BASE_DETECTORS_URI, MATCH),
+                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorExtension.AD_BASE_DETECTORS_URI, MATCH),
                     RestRequest.Method.GET,
-                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorPlugin.LEGACY_OPENDISTRO_AD_BASE_URI, MATCH)
+                    String.format(Locale.ROOT, "%s/%s", AnomalyDetectorExtension.LEGACY_OPENDISTRO_AD_BASE_URI, MATCH),
+                    handleRequest
                 )
             );
     }

src/main/java/org/opensearch/ad/transport/SearchAnomalyDetectorInfoTransportAction.java

@@ -21,32 +21,33 @@
 import org.opensearch.action.search.SearchRequest;
 import org.opensearch.action.search.SearchResponse;
 import org.opensearch.action.support.ActionFilters;
-import org.opensearch.action.support.HandledTransportAction;
+import org.opensearch.action.support.TransportAction;
 import org.opensearch.ad.util.RestHandlerUtils;
-import org.opensearch.client.Client;
-import org.opensearch.cluster.service.ClusterService;
-import org.opensearch.common.inject.Inject;
 import org.opensearch.index.IndexNotFoundException;
 import org.opensearch.index.query.QueryBuilders;
 import org.opensearch.index.query.TermsQueryBuilder;
+import org.opensearch.sdk.SDKClient.SDKRestClient;
+import org.opensearch.sdk.SDKClusterService;
 import org.opensearch.search.builder.SearchSourceBuilder;
 import org.opensearch.tasks.Task;
-import org.opensearch.transport.TransportService;
+import org.opensearch.tasks.TaskManager;
+
+import com.google.inject.Inject;
 
 public class SearchAnomalyDetectorInfoTransportAction extends
-    HandledTransportAction<SearchAnomalyDetectorInfoRequest, SearchAnomalyDetectorInfoResponse> {
+    TransportAction<SearchAnomalyDetectorInfoRequest, SearchAnomalyDetectorInfoResponse> {
     private static final Logger LOG = LogManager.getLogger(SearchAnomalyDetectorInfoTransportAction.class);
-    private final Client client;
-    private final ClusterService clusterService;
+    private final SDKRestClient client;
+    private final SDKClusterService clusterService;
 
     @Inject
     public SearchAnomalyDetectorInfoTransportAction(
-        TransportService transportService,
+        TaskManager taskManager,
         ActionFilters actionFilters,
-        Client client,
-        ClusterService clusterService
+        SDKRestClient client,
+        SDKClusterService clusterService
     ) {
-        super(SearchAnomalyDetectorInfoAction.NAME, transportService, actionFilters, SearchAnomalyDetectorInfoRequest::new);
+        super(SearchAnomalyDetectorInfoAction.NAME, actionFilters, taskManager);
         this.client = client;
         this.clusterService = clusterService;
     }

src/main/java/org/opensearch/ad/util/IndexUtils.java

@@ -127,6 +127,7 @@ public String getIndexHealthStatus(String indexOrAliasName) throws IllegalArgume
      * @return The number of documents in an index. 0 is returned if the index does not exist. -1 is returned if the
      * request fails.
      */
+    @Deprecated
     public Long getNumberOfDocumentsInIndex(String indexName) {
         if (!clusterService.state().getRoutingTable().hasIndex(indexName)) {
             return 0L;

src/test/java/org/opensearch/ad/transport/SearchAnomalyDetectorInfoActionTests.java

@@ -19,9 +19,7 @@
 import static org.opensearch.ad.TestHelpers.createEmptySearchResponse;
 
 import java.io.IOException;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.HashSet;
+import java.util.List;
 
 import org.junit.Assert;
 import org.junit.Before;
@@ -32,38 +30,38 @@
 import org.opensearch.action.support.PlainActionFuture;
 import org.opensearch.ad.TestHelpers;
 import org.opensearch.ad.settings.AnomalyDetectorSettings;
-import org.opensearch.client.Client;
-import org.opensearch.cluster.service.ClusterService;
 import org.opensearch.common.io.stream.BytesStreamOutput;
 import org.opensearch.common.io.stream.StreamInput;
-import org.opensearch.common.settings.ClusterSettings;
+import org.opensearch.common.settings.Setting;
 import org.opensearch.common.settings.Settings;
 import org.opensearch.core.xcontent.ToXContent;
+import org.opensearch.sdk.Extension;
+import org.opensearch.sdk.ExtensionsRunner;
+import org.opensearch.sdk.SDKClient.SDKRestClient;
+import org.opensearch.sdk.SDKClusterService;
+import org.opensearch.sdk.SDKClusterService.SDKClusterSettings;
 import org.opensearch.tasks.Task;
+import org.opensearch.tasks.TaskManager;
 import org.opensearch.test.OpenSearchIntegTestCase;
 import org.opensearch.threadpool.ThreadPool;
-import org.opensearch.transport.TransportService;
 
 public class SearchAnomalyDetectorInfoActionTests extends OpenSearchIntegTestCase {
     private SearchAnomalyDetectorInfoRequest request;
     private ActionListener<SearchAnomalyDetectorInfoResponse> response;
     private SearchAnomalyDetectorInfoTransportAction action;
     private Task task;
-    private ClusterService clusterService;
-    private Client client;
+    private SDKClusterService clusterService;
+    private SDKRestClient client;
     private ThreadPool threadPool;
+    private ExtensionsRunner mockRunner;
+    private SDKClusterSettings clusterSettings;
     private PlainActionFuture<SearchAnomalyDetectorInfoResponse> future;
 
     @Override
     @Before
     public void setUp() throws Exception {
         super.setUp();
-        action = new SearchAnomalyDetectorInfoTransportAction(
-            mock(TransportService.class),
-            mock(ActionFilters.class),
-            client(),
-            clusterService()
-        );
+        action = new SearchAnomalyDetectorInfoTransportAction(mock(TaskManager.class), mock(ActionFilters.class), null, null);
         task = mock(Task.class);
         response = new ActionListener<SearchAnomalyDetectorInfoResponse>() {
             @Override
@@ -79,17 +77,21 @@ public void onFailure(Exception e) {
         };
 
         future = mock(PlainActionFuture.class);
-        client = mock(Client.class);
-        when(client.threadPool()).thenReturn(threadPool);
-        threadPool = mock(ThreadPool.class);
-        when(client.threadPool()).thenReturn(threadPool);
+        client = mock(SDKRestClient.class);
+        // when(client.threadPool()).thenReturn(threadPool);
+        // threadPool = mock(ThreadPool.class);
+        // when(client.threadPool()).thenReturn(threadPool);
         Settings settings = Settings.builder().build();
 
-        clusterService = mock(ClusterService.class);
-        ClusterSettings clusterSettings = new ClusterSettings(
-            Settings.EMPTY,
-            Collections.unmodifiableSet(new HashSet<>(Arrays.asList(AnomalyDetectorSettings.FILTER_BY_BACKEND_ROLES)))
-        );
+        clusterService = mock(SDKClusterService.class);
+        mockRunner = mock(ExtensionsRunner.class);
+        List<Setting<?>> settingsList = List.of(AnomalyDetectorSettings.FILTER_BY_BACKEND_ROLES);
+        clusterService = mock(SDKClusterService.class);
+        Extension mockExtension = mock(Extension.class);
+        when(mockRunner.getEnvironmentSettings()).thenReturn(settings);
+        when(mockRunner.getExtension()).thenReturn(mockExtension);
+        when(mockExtension.getSettings()).thenReturn(settingsList);
+        SDKClusterSettings clusterSettings = new SDKClusterService(mockRunner).getClusterSettings();
         when(clusterService.getClusterSettings()).thenReturn(clusterSettings);
     }
 
@@ -146,12 +148,7 @@ public void testSearchInfoResponse_CountSuccessWithEmptyResponse() throws IOExce
             return null;
         }).when(client).search(any(), any());
 
-        action = new SearchAnomalyDetectorInfoTransportAction(
-            mock(TransportService.class),
-            mock(ActionFilters.class),
-            client,
-            clusterService
-        );
+        action = new SearchAnomalyDetectorInfoTransportAction(mock(TaskManager.class), mock(ActionFilters.class), client, clusterService);
         SearchAnomalyDetectorInfoRequest request = new SearchAnomalyDetectorInfoRequest("testDetector", "count");
         action.doExecute(task, request, future);
         verify(future).onResponse(any(SearchAnomalyDetectorInfoResponse.class));
@@ -166,12 +163,7 @@ public void testSearchInfoResponse_MatchSuccessWithEmptyResponse() throws IOExce
             return null;
         }).when(client).search(any(), any());
 
-        action = new SearchAnomalyDetectorInfoTransportAction(
-            mock(TransportService.class),
-            mock(ActionFilters.class),
-            client,
-            clusterService
-        );
+        action = new SearchAnomalyDetectorInfoTransportAction(mock(TaskManager.class), mock(ActionFilters.class), client, clusterService);
         SearchAnomalyDetectorInfoRequest request = new SearchAnomalyDetectorInfoRequest("testDetector", "match");
         action.doExecute(task, request, future);
         verify(future).onResponse(any(SearchAnomalyDetectorInfoResponse.class));
@@ -184,12 +176,7 @@ public void testSearchInfoResponse_CountRuntimeException() throws IOException {
             listener.onFailure(new RuntimeException("searchResponse failed!"));
             return null;
         }).when(client).search(any(), any());
-        action = new SearchAnomalyDetectorInfoTransportAction(
-            mock(TransportService.class),
-            mock(ActionFilters.class),
-            client,
-            clusterService
-        );
+        action = new SearchAnomalyDetectorInfoTransportAction(mock(TaskManager.class), mock(ActionFilters.class), client, clusterService);
         SearchAnomalyDetectorInfoRequest request = new SearchAnomalyDetectorInfoRequest("testDetector", "count");
         action.doExecute(task, request, future);
         verify(future).onFailure(any(RuntimeException.class));
@@ -202,12 +189,7 @@ public void testSearchInfoResponse_MatchRuntimeException() throws IOException {
             listener.onFailure(new RuntimeException("searchResponse failed!"));
             return null;
         }).when(client).search(any(), any());
-        action = new SearchAnomalyDetectorInfoTransportAction(
-            mock(TransportService.class),
-            mock(ActionFilters.class),
-            client,
-            clusterService
-        );
+        action = new SearchAnomalyDetectorInfoTransportAction(mock(TaskManager.class), mock(ActionFilters.class), client, clusterService);
         SearchAnomalyDetectorInfoRequest request = new SearchAnomalyDetectorInfoRequest("testDetector", "match");
         action.doExecute(task, request, future);
         verify(future).onFailure(any(RuntimeException.class));