Remove use of cirrus from backend. (flutter#3064)

Remove cirrus code as it is not used anymore.

app_dart/lib/src/model/appengine/stage.dart

@@ -13,7 +13,7 @@ part 'stage.g.dart';
 /// A group of related [Task]s run against a particular [Commit].
 ///
 /// Stages are grouped by the infrastructure family that runs them, such as
-/// Cirrus, LUCI, DeviceLab on Linux, DeviceLab on Windows, etc.
+/// LUCI, DeviceLab on Linux, DeviceLab on Windows, etc.
 @immutable
 @JsonSerializable(createFactory: false, ignoreUnannotated: true)
 class Stage implements Comparable<Stage> {
@@ -25,7 +25,6 @@ class Stage implements Comparable<Stage> {
   ///
   /// Unknown stages will be placed at the end of any ordering.
   static const List<String?> _order = <String?>[
-    'cirrus',
     'chromebot',
     'devicelab',
     'devicelab_win',
@@ -35,7 +34,7 @@ class Stage implements Comparable<Stage> {
   /// Arbitrarily large index to represent the "end of the ordering".
   static const int _endOfList = 1000000;
 
-  /// The name of the stage (e.g. 'cirrus', 'devicelab', 'devicelab_win').
+  /// The name of the stage (e.g. 'devicelab', 'devicelab_win').
   ///
   /// This is guaranteed to be non-null.
   @JsonKey(name: 'Name')
@@ -71,7 +70,7 @@ class Stage implements Comparable<Stage> {
 
   /// Whether this stage is managed by the Flutter device lab.
   ///
-  /// Stages such as 'cirrus' and 'chromebot' are not managed by the Flutter
+  /// Stages such as 'chromebot' are not managed by the Flutter
   /// device lab.
   bool get isManagedByDeviceLab => name!.startsWith('devicelab');
 

app_dart/lib/src/request_handlers/github/webhook_subscription.dart

@@ -367,7 +367,6 @@ class GithubWebhookSubscription extends SubscriptionHandler {
   /// requirement, across repositories.
   bool _isTestExempt(String filename) {
     return filename.contains('.ci.yaml') ||
-        filename.contains('.cirrus.yml') ||
         filename.contains('analysis_options.yaml') ||
         filename.contains('AUTHORS') ||
         filename.contains('CODEOWNERS') ||

app_dart/lib/src/service/config.dart

@@ -61,9 +61,6 @@ class Config {
         packagesSlug,
       };
 
-  /// List of Cirrus supported repos.
-  static Set<String> cirrusSupportedRepos = <String>{'packages', 'flutter'};
-
   /// GitHub repositories that use CI status to determine if pull requests can be submitted.
   static Set<gh.RepositorySlug> reposWithTreeStatus = <gh.RepositorySlug>{
     engineSlug,
@@ -420,17 +417,6 @@ class Config {
     );
   }
 
-  Future<GraphQLClient> createCirrusGraphQLClient() async {
-    final HttpLink httpLink = HttpLink(
-      'https://api.cirrus-ci.com/graphql',
-    );
-
-    return GraphQLClient(
-      cache: GraphQLCache(),
-      link: httpLink,
-    );
-  }
-
   Future<BigqueryService> createBigQueryService() async {
     final AccessClientProvider accessClientProvider = AccessClientProvider();
     return BigqueryService(accessClientProvider);

app_dart/test/model/stage_test.dart

@@ -26,14 +26,12 @@ void main() {
       final List<Stage> stages = <Stage>[
         buildStage(name: 'devicelab'),
         buildStage(name: 'unknown'),
-        buildStage(name: 'cirrus'),
       ];
       stages.sort();
-      expect(stages.map<String?>((Stage stage) => stage.name), <String>['cirrus', 'devicelab', 'unknown']);
+      expect(stages.map<String?>((Stage stage) => stage.name), <String>['devicelab', 'unknown']);
     });
 
     test('isManagedByDeviceLab', () {
-      expect(buildStage(name: 'cirrus').isManagedByDeviceLab, isFalse);
       expect(buildStage(name: 'devicelab').isManagedByDeviceLab, isTrue);
       expect(buildStage(name: 'unknown').isManagedByDeviceLab, isFalse);
     });

app_dart/test/request_handlers/github/webhook_subscription_test.dart

@@ -981,7 +981,7 @@ void main() {
       );
     });
 
-    test('Framework no comment if only ci.yaml and cirrus.yml changed', () async {
+    test('Framework no comment if only ci.yamlchanged', () async {
       const int issueNumber = 123;
 
       tester.message = generateGithubWebhookMessage(
@@ -993,7 +993,6 @@ void main() {
       when(pullRequestsService.listFiles(slug, issueNumber)).thenAnswer(
         (_) => Stream<PullRequestFile>.fromIterable(<PullRequestFile>[
           PullRequestFile()..filename = '.ci.yaml',
-          PullRequestFile()..filename = '.cirrus.yml',
         ]),
       );
 

app_dart/test/src/datastore/fake_config.dart

@@ -41,7 +41,6 @@ class FakeConfig implements Config {
     this.githubService,
     this.bigqueryService,
     this.githubGraphQLClient,
-    this.cirrusGraphQLClient,
     this.rollerAccountsValue,
     this.flutterBuildValue,
     this.flutterBuildDescriptionValue,
@@ -67,7 +66,6 @@ class FakeConfig implements Config {
 
   gh.GitHub? githubClient;
   GraphQLClient? githubGraphQLClient;
-  GraphQLClient? cirrusGraphQLClient;
   TabledataResource? tabledataResource;
   BigqueryService? bigqueryService;
   GithubService? githubService;
@@ -123,9 +121,6 @@ class FakeConfig implements Config {
   @override
   Future<GraphQLClient> createGitHubGraphQLClient() async => githubGraphQLClient!;
 
-  @override
-  Future<GraphQLClient> createCirrusGraphQLClient() async => cirrusGraphQLClient!;
-
   @override
   Future<TabledataResource> createTabledataResourceApi() async => tabledataResource!;
 

dashboard/lib/logic/qualified_task.dart

@@ -39,12 +39,9 @@ class QualifiedTask {
   /// Get the URL for the configuration of this task.
   ///
   /// Luci tasks are stored on Luci.
-  /// Cirrus tasks are stored on Cirrus.
   String get sourceConfigurationUrl {
-    assert(isLuci || isCirrus || isGoogleTest || isDartInternal);
-    if (isCirrus) {
-      return '$_cirrusUrl/master';
-    } else if (isLuci) {
+    assert(isLuci || isGoogleTest || isDartInternal);
+    if (isLuci) {
       return '$_luciUrl/builders/$pool/$task';
     } else if (isGoogleTest) {
       return _googleTestUrl;
@@ -57,9 +54,6 @@ class QualifiedTask {
   /// Whether this task was run on google test.
   bool get isGoogleTest => stage == StageName.googleTest;
 
-  /// Whether this task was run on Cirrus CI.
-  bool get isCirrus => stage == StageName.cirrus;
-
   /// Whether the task was run on the LUCI infrastructure.
   bool get isLuci => stage == StageName.cocoon || stage == StageName.legacyLuci || stage == StageName.luci;
 

dashboard/lib/service/appengine_cocoon.dart

@@ -290,12 +290,10 @@ class AppEngineCocoonService implements CocoonService {
       ..status = taskData['Status'] as String
       ..isTestFlaky = taskData['TestFlaky'] as bool? ?? false;
 
-    if (taskData['StageName'] != StageName.cirrus) {
-      task
-        ..buildNumberList = taskData['BuildNumberList'] as String? ?? ''
-        ..builderName = taskData['BuilderName'] as String? ?? ''
-        ..luciBucket = taskData['LuciBucket'] as String? ?? '';
-    }
+    task
+      ..buildNumberList = taskData['BuildNumberList'] as String? ?? ''
+      ..builderName = taskData['BuilderName'] as String? ?? ''
+      ..luciBucket = taskData['LuciBucket'] as String? ?? '';
     return task;
   }
 }

dashboard/lib/widgets/task_overlay.dart

@@ -105,7 +105,7 @@ class TaskOverlayEntry extends StatelessWidget {
   /// A reference to the [BuildState] for performing operations on this [Task].
   final BuildState buildState;
 
-  /// [Commit] for cirrus tasks to show log.
+  /// [Commit] for tasks to show log.
   final Commit commit;
 
   @override
@@ -177,7 +177,7 @@ class TaskOverlayContents extends StatelessWidget {
   /// The [Task] to display in the overlay
   final Task task;
 
-  /// [Commit] for cirrus tasks to show log.
+  /// [Commit] for tasks to show log.
   final Commit? commit;
 
   /// This callback removes the parent overlay from the widget tree.

dashboard/test/logic/qualified_task_test.dart

@@ -20,15 +20,6 @@ void main() {
     );
   });
 
-  test('QualifiedTask.sourceConfigurationUrl for cirrus', () {
-    final Task cirrusTask = Task()..stageName = 'cirrus';
-
-    expect(
-      QualifiedTask.fromTask(cirrusTask).sourceConfigurationUrl,
-      'https://cirrus-ci.com/github/flutter/flutter/master',
-    );
-  });
-
   test('QualifiedTask.sourceConfigurationUrl for google test', () {
     final Task googleTestTask = Task()..stageName = 'google_internal';
 
@@ -48,7 +39,6 @@ void main() {
     expect(const QualifiedTask(stage: 'luci', task: 'abc').isLuci, true);
     expect(const QualifiedTask(stage: 'chromebot', task: 'abc').isLuci, true);
     expect(const QualifiedTask(stage: 'cocoon', task: 'abc').isLuci, true);
-    expect(const QualifiedTask(stage: 'cirrus', task: 'abc').isLuci, false);
     expect(const QualifiedTask(stage: 'google_internal', task: 'abc').isLuci, false);
   });
 }

dashboard/test/widgets/task_overlay_test.dart

@@ -306,7 +306,7 @@ void main() {
             body: TestGrid(
               buildState: buildState,
               task: Task()
-                ..stageName = 'cirrus'
+                ..stageName = 'luci'
                 ..status = TaskBox.statusSucceeded,
             ),
           ),