Remove e2e code no longer in user (#219)

Author: jonasfj

pkgs/appengine/test/integration/common_e2e.dart

@@ -7,21 +7,12 @@ library test.integration.common_e2e;
 import 'dart:async';
 import 'dart:io';
 
-import 'package:googleapis_auth/auth_io.dart' as auth;
 import 'package:grpc/grpc.dart' as grpc;
 import 'package:appengine/src/grpc_api_impl/datastore_impl.dart'
     as grpc_datastore_impl;
 
-// Environment variables for specifying the cloud project to use and the
-// location of the service account key for that project.
+// Environment variable for specifying the cloud project to use
 const String PROJECT_ENV = 'E2E_TEST_PROJECT';
-const String SERVICE_KEY_LOCATION_ENV = 'E2E_TEST_KEY';
-
-// Default project and service key location used when running on the package
-// bot.
-const String DEFAULT_PROJECT = 'dart-gcloud-e2e';
-const String DEFAULT_KEY_LOCATION =
-    'gs://dart-archive-internal/keys/dart-gcloud-e2e.json';
 
 bool onBot() {
   // Check for GitHub Actions.
@@ -39,75 +30,19 @@ bool onBot() {
   return Platform.environment[name] == 'chrome-bot';
 }
 
-Future<dynamic> withServiceAccount(
-    Future callback(
-        String project, auth.ServiceAccountCredentials creds)) async {
-  var project = Platform.environment[PROJECT_ENV];
-  var serviceKeyLocation = Platform.environment[SERVICE_KEY_LOCATION_ENV];
-
-  if (!onBot() && (project == null || serviceKeyLocation == null)) {
-    throw Exception(
-        'Environment variables $PROJECT_ENV and $SERVICE_KEY_LOCATION_ENV '
-        'required when not running on the package bot');
-  }
-
-  project ??= DEFAULT_PROJECT;
-  serviceKeyLocation ??= DEFAULT_KEY_LOCATION;
-
-  final keyJson = await _serviceKeyJson(serviceKeyLocation);
-  final creds = auth.ServiceAccountCredentials.fromJson(keyJson);
-  return callback(project, creds);
-}
-
 Future<dynamic> withAuthenticator(
   List<String> scopes,
   Future callback(String project, grpc.HttpBasedAuthenticator authenticator),
 ) async {
   var project = Platform.environment[PROJECT_ENV];
-  var serviceKeyLocation = Platform.environment[SERVICE_KEY_LOCATION_ENV];
 
-  if (!onBot() && project == null) {
-    throw Exception(
-        'Environment variables $PROJECT_ENV and $SERVICE_KEY_LOCATION_ENV '
-        'required when not running on the package bot');
+  if (project == null) {
+    throw Exception('Environment variable $PROJECT_ENV is required!');
   }
 
   // Use ADC
-  if (!onBot() && project != null && serviceKeyLocation == null) {
-    final authenticator = await grpc.applicationDefaultCredentialsAuthenticator(
-      grpc_datastore_impl.OAuth2Scopes,
-    );
-    return callback(project, authenticator);
-  }
-
-  project ??= DEFAULT_PROJECT;
-  serviceKeyLocation ??= DEFAULT_KEY_LOCATION;
-
-  final keyJson = await (_serviceKeyJson(serviceKeyLocation));
-  final authenticator = grpc.ServiceAccountAuthenticator(keyJson!, scopes);
+  final authenticator = await grpc.applicationDefaultCredentialsAuthenticator(
+    grpc_datastore_impl.OAuth2Scopes,
+  );
   return callback(project, authenticator);
 }
-
-Future<String?> _serviceKeyJson(String serviceKeyLocation) async {
-  if (!serviceKeyLocation.startsWith('gs://')) {
-    return File(serviceKeyLocation).readAsString();
-  } else {
-    ProcessResult result;
-    if (onBot()) {
-      // Use gsutil.py from depot_tools on the bots.
-      final gsutilPath = Platform.operatingSystem == 'windows'
-          ? 'E:\\b\\depot_tools\\gsutil.py'
-          : '/b/depot_tools/gsutil.py';
-      result = await Process.run(
-          'python', [gsutilPath, 'cat', serviceKeyLocation],
-          runInShell: true);
-    } else {
-      final gsutil = Platform.isWindows ? 'gsutil.cmd' : 'gsutil';
-      result = await Process.run(gsutil, ['cat', serviceKeyLocation]);
-    }
-    if (result.exitCode != 0) {
-      throw Exception('Failed to run gsutil, ${result.stderr}');
-    }
-    return result.stdout;
-  }
-}