Add feature

Author: kderusso

x-pack/plugin/ent-search/qa/rest/src/yamlRestTest/resources/rest-api-spec/test/entsearch/rules/20_query_ruleset_list.yml

@@ -1,7 +1,7 @@
 setup:
   - requires:
-      cluster_features: [ "gte_v8.10.0" ]
-      reason: Introduced in 8.10.0
+      cluster_features: [ "query_rule_list_types" ]
+      reason: 'List responses updated in 8.15.5 and 8.16.1'
   - do:
       query_rules.put_ruleset:
         ruleset_id: test-query-ruleset-3

x-pack/plugin/ent-search/src/main/java/org/elasticsearch/xpack/application/EnterpriseSearchFeatures.java

@@ -12,6 +12,7 @@
 import org.elasticsearch.features.NodeFeature;
 import org.elasticsearch.xpack.application.analytics.AnalyticsTemplateRegistry;
 import org.elasticsearch.xpack.application.connector.ConnectorTemplateRegistry;
+import org.elasticsearch.xpack.application.rules.action.ListQueryRulesetsAction;
 import org.elasticsearch.xpack.application.rules.retriever.QueryRuleRetrieverBuilder;
 
 import java.util.Map;
@@ -23,7 +24,11 @@ public class EnterpriseSearchFeatures implements FeatureSpecification {
 
     @Override
     public Set<NodeFeature> getFeatures() {
-        return Set.of(QUERY_RULES_TEST_API, QueryRuleRetrieverBuilder.QUERY_RULE_RETRIEVERS_SUPPORTED);
+        return Set.of(
+            QUERY_RULES_TEST_API,
+            QueryRuleRetrieverBuilder.QUERY_RULE_RETRIEVERS_SUPPORTED,
+            ListQueryRulesetsAction.QUERY_RULE_LIST_TYPES
+        );
     }
 
     @Override

x-pack/plugin/ent-search/src/main/java/org/elasticsearch/xpack/application/rules/action/ListQueryRulesetsAction.java

@@ -13,6 +13,7 @@
 import org.elasticsearch.action.ActionType;
 import org.elasticsearch.common.io.stream.StreamInput;
 import org.elasticsearch.common.io.stream.StreamOutput;
+import org.elasticsearch.features.NodeFeature;
 import org.elasticsearch.xcontent.ConstructingObjectParser;
 import org.elasticsearch.xcontent.ParseField;
 import org.elasticsearch.xcontent.ToXContentObject;
@@ -33,6 +34,8 @@ public class ListQueryRulesetsAction {
     public static final String NAME = "cluster:admin/xpack/query_rules/list";
     public static final ActionType<ListQueryRulesetsAction.Response> INSTANCE = new ActionType<>(NAME);
 
+    public static final NodeFeature QUERY_RULE_LIST_TYPES = new NodeFeature("query_rule_list_types");
+
     private ListQueryRulesetsAction() {/* no instances */}
 
     public static class Request extends ActionRequest implements ToXContentObject {