QA: Merge query-builder-bwc to restart test (#30979)

Merges the `query-builder-bwc` qa project into the
`full-cluster-restart` qa project, saving a cluster starts on every
build and *many* cluster starts on `./gradlew bwcTests`.

qa/full-cluster-restart/src/test/java/org/elasticsearch/upgrades/QueryBuilderBWCIT.java

@@ -17,7 +17,7 @@
  * under the License.
  */
 
-package org.elasticsearch.bwc;
+package org.elasticsearch.upgrades;
 
 import org.apache.http.util.EntityUtils;
 import org.elasticsearch.Version;
@@ -153,6 +153,21 @@ public class QueryBuilderBWCIT extends ESRestTestCase {
         return true;
     }
 
+    @Override
+    protected boolean preserveSnapshotsUponCompletion() {
+        return true;
+    }
+
+    @Override
+    protected boolean preserveReposUponCompletion() {
+        return true;
+    }
+
+    @Override
+    protected boolean preserveTemplatesUponCompletion() {
+        return true;
+    }
+
     public void testQueryBuilderBWC() throws Exception {
         String index = "queries";
         if (runningAgainstOldCluster) {

qa/query-builder-bwc/build.gradle

@@ -1,89 +0,0 @@
-/*
- * Licensed to Elasticsearch under one or more contributor
- * license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright
- * ownership. Elasticsearch licenses this file to you under
- * the Apache License, Version 2.0 (the "License"); you may
- * not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *    http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing,
- * software distributed under the License is distributed on an
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied.  See the License for the
- * specific language governing permissions and limitations
- * under the License.
- */
-
-import org.elasticsearch.gradle.test.RestIntegTestTask
-import org.elasticsearch.gradle.Version
-import org.elasticsearch.gradle.VersionProperties
-
-apply plugin: 'elasticsearch.standalone-test'
-
-// This is a top level task which we will add dependencies to below.
-// It is a single task that can be used to backcompat tests against all versions.
-task bwcTest {
-    description = 'Runs backwards compatibility tests.'
-    group = 'verification'
-}
-
-for (Version version : bwcVersions.indexCompatible) {
-    String baseName = "v${version}"
-
-    Task oldQueryBuilderTest = tasks.create(name: "${baseName}#oldQueryBuilderTest", type: RestIntegTestTask) {
-        mustRunAfter(precommit)
-    }
-    tasks.getByName("${baseName}#oldQueryBuilderTestRunner").configure {
-        systemProperty 'tests.is_old_cluster', 'true'
-        systemProperty 'tests.old_cluster_version', version.toString().minus("-SNAPSHOT")
-    }
-
-    configure(extensions.findByName("${baseName}#oldQueryBuilderTestCluster")) {
-        bwcVersion = version
-        numBwcNodes = 1
-        numNodes = 1
-        clusterName = 'query_builder_bwc'
-        setting 'http.content_type.required', 'true'
-    }
-
-    Task upgradedQueryBuilderTest = tasks.create(name: "${baseName}#upgradedQueryBuilderTest", type: RestIntegTestTask) {
-        dependsOn(oldQueryBuilderTest, "${baseName}#oldQueryBuilderTestCluster#stop")
-    }
-
-    configure(extensions.findByName("${baseName}#upgradedQueryBuilderTestCluster")) {
-        dependsOn oldQueryBuilderTest,
-                "${baseName}#oldQueryBuilderTestCluster#stop"
-        clusterName = 'query_builder_bwc'
-        numNodes = 1
-        dataDir = { nodeNum -> oldQueryBuilderTest.nodes[nodeNum].dataDir }
-        cleanShared = false // We want to keep snapshots made by the old cluster!
-    }
-
-    tasks.getByName("${baseName}#upgradedQueryBuilderTestRunner").configure {
-        systemProperty 'tests.is_old_cluster', 'false'
-        systemProperty 'tests.old_cluster_version', version.toString().minus("-SNAPSHOT")
-    }
-
-    Task versionBwcTest = tasks.create(name: "${baseName}#bwcTest") {
-        dependsOn = [upgradedQueryBuilderTest]
-    }
-
-    if (project.bwc_tests_enabled) {
-        bwcTest.dependsOn(versionBwcTest)
-    }
-}
-
-test.enabled = false // no unit tests for rolling upgrades, only the rest integration test
-
-// basic integ tests includes testing bwc against the most recent version
-task integTest {
-  if (project.bwc_tests_enabled) {
-      final def version = bwcVersions.snapshotsIndexCompatible.first()
-      dependsOn "v${version}#bwcTest"
-  }
-}
-
-check.dependsOn(integTest)

x-pack/qa/full-cluster-restart/build.gradle

@@ -184,6 +184,7 @@ subprojects {
       systemProperty 'tests.old_cluster_version', version.toString().minus("-SNAPSHOT")
       systemProperty 'tests.path.repo', new File(buildDir, "cluster/shared/repo")
       exclude 'org/elasticsearch/upgrades/FullClusterRestartIT.class'
+      exclude 'org/elasticsearch/upgrades/QueryBuilderBWCIT.class'
     }
 
     Task upgradedClusterTest = tasks.create(name: "${baseName}#upgradedClusterTest", type: RestIntegTestTask)
@@ -222,6 +223,7 @@ subprojects {
       systemProperty 'tests.old_cluster_version', version.toString().minus("-SNAPSHOT")
       systemProperty 'tests.path.repo', new File(buildDir, "cluster/shared/repo")
       exclude 'org/elasticsearch/upgrades/FullClusterRestartIT.class'
+      exclude 'org/elasticsearch/upgrades/QueryBuilderBWCIT.class'
     }
 
     Task versionBwcTest = tasks.create(name: "${baseName}#bwcTest") {

x-pack/qa/full-cluster-restart/src/test/java/org/elasticsearch/xpack/restart/QueryBuilderBWCIT.java

@@ -0,0 +1,23 @@
+/*
+ * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+ * or more contributor license agreements. Licensed under the Elastic License;
+ * you may not use this file except in compliance with the Elastic License.
+ */
+package org.elasticsearch.xpack.restart;
+
+import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.util.concurrent.ThreadContext;
+
+import java.nio.charset.StandardCharsets;
+import java.util.Base64;
+
+public class QueryBuilderBWCIT extends org.elasticsearch.upgrades.QueryBuilderBWCIT {
+
+    @Override
+    protected Settings restClientSettings() {
+        String token = "Basic " + Base64.getEncoder().encodeToString("test_user:x-pack-test-password".getBytes(StandardCharsets.UTF_8));
+        return Settings.builder()
+                .put(ThreadContext.PREFIX + ".Authorization", token)
+                .build();
+    }
+}