Migrate x-pack-autoscaling REST tests (elastic#131365)

This PR migrates legacy rest tests in the x-pack autoscaling module

Author: ldematte

build-tools-internal/src/main/java/org/elasticsearch/gradle/internal/RestrictedBuildApiService.java

@@ -56,8 +56,6 @@ private static ListMultimap<Class<?>, String> createLegacyRestTestBasePluginUsag
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:qa:third-party:jira");
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:qa:third-party:pagerduty");
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:qa:third-party:slack");
-        map.put(LegacyRestTestBasePlugin.class, ":x-pack:plugin:async-search:qa:rest");
-        map.put(LegacyRestTestBasePlugin.class, ":x-pack:plugin:autoscaling:qa:rest");
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:plugin:deprecation:qa:early-deprecation-rest");
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:plugin:deprecation:qa:rest");
         map.put(LegacyRestTestBasePlugin.class, ":x-pack:plugin:enrich:qa:rest");

x-pack/plugin/autoscaling/build.gradle

@@ -1,5 +1,6 @@
 apply plugin: 'elasticsearch.internal-es-plugin'
 apply plugin: 'elasticsearch.internal-cluster-test'
+apply plugin: 'elasticsearch.internal-yaml-rest-test'
 
 esplugin {
   name = 'x-pack-autoscaling'
@@ -15,15 +16,27 @@ base {
 
 dependencies {
   compileOnly project(path: xpackModule('core'))
-  testImplementation(testArtifact(project(xpackModule('core'))))
-  testImplementation project(':modules:data-streams')
-  testImplementation project(path: xpackModule('blob-cache'))
-  testImplementation project(path: xpackModule('searchable-snapshots'))
-  testImplementation project(path: xpackModule('ilm'))
-  testImplementation project(path: xpackModule('slm'))
-  testImplementation project(path: xpackModule('ccr'))
 
+  testImplementation testArtifact(project(':server'))
+  testImplementation testArtifact(project(xpackModule('core')))
   testImplementation "com.fasterxml.jackson.core:jackson-databind:${versions.jackson}"
+
+  internalClusterTestImplementation project(':modules:data-streams')
+  internalClusterTestImplementation project(xpackModule('blob-cache'))
+  internalClusterTestImplementation project(xpackModule("searchable-snapshots"))
+  internalClusterTestImplementation project(xpackModule('ilm'))
+  internalClusterTestImplementation project(xpackModule('slm'))
+  internalClusterTestImplementation project(xpackModule('ccr'))
+}
+
+restResources {
+  restApi {
+    include '_common', 'autoscaling'
+  }
 }
 
-addQaCheckDependencies(project)
+tasks.named("yamlRestTestV7CompatTest").configure {
+  systemProperty 'tests.rest.blacklist', [
+          "autoscaling/get_autoscaling_capacity/Test get fixed autoscaling capacity",
+  ].join(',')
+}

x-pack/plugin/autoscaling/qa/build.gradle

@@ -12,13 +12,24 @@
 import org.elasticsearch.common.settings.SecureString;
 import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.util.concurrent.ThreadContext;
+import org.elasticsearch.test.cluster.ElasticsearchCluster;
+import org.elasticsearch.test.cluster.util.resource.Resource;
 import org.elasticsearch.test.rest.yaml.ClientYamlTestCandidate;
 import org.elasticsearch.test.rest.yaml.ESClientYamlSuiteTestCase;
-
-import static org.elasticsearch.xpack.core.security.authc.support.UsernamePasswordToken.basicAuthHeaderValue;
+import org.junit.ClassRule;
 
 public class AutoscalingRestIT extends ESClientYamlSuiteTestCase {
 
+    @ClassRule
+    public static ElasticsearchCluster cluster = ElasticsearchCluster.local()
+        .module("x-pack-autoscaling")
+        .setting("xpack.security.enabled", "true")
+        .setting("xpack.license.self_generated.type", "trial")
+        .rolesFile(Resource.fromClasspath("autoscaling-roles.yml"))
+        .user("autoscaling-admin", "autoscaling-admin-password", "superuser", false)
+        .user("autoscaling-user", "autoscaling-user-password", "autoscaling", false)
+        .build();
+
     public AutoscalingRestIT(final ClientYamlTestCandidate testCandidate) {
         super(testCandidate);
     }
@@ -40,4 +51,8 @@ protected Settings restClientSettings() {
         return Settings.builder().put(ThreadContext.PREFIX + ".Authorization", value).build();
     }
 
+    @Override
+    protected String getTestRestCluster() {
+        return cluster.getHttpAddresses();
+    }
 }