Google Cloud Platform 支持包 (gcloud)

import 'package:googleapis_auth/auth_io.dart' as auth;
import 'package:http/http.dart' as http;
import 'package:gcloud/db.dart';
import 'package:gcloud/storage.dart';
import 'package:gcloud/pubsub.dart';
import 'package:gcloud/service_scope.dart' as ss;
import 'package:gcloud/src/datastore_impl.dart';

// Read the service account credentials from the file.
var jsonCredentials = new File('my-project.json').readAsStringSync();
var credentials = new auth.ServiceAccountCredentials.fromJson(jsonCredentials);

// Get an HTTP authenticated client using the service account credentials.
var scopes = []
    ..addAll(dastore_impl.DatastoreImpl.SCOPES);
    ..addAll(Storage.SCOPES)
    ..addAll(PubSub.SCOPES)
var client = await auth.clientViaServiceAccount(creds, scopes);

// Instantiate objects to access Cloud Datastore, Cloud Storage
// and Cloud Pub/Sub APIs.
var db = new DatastoreDB(
    new dastore_impl.DatastoreImpl(client, 's~my-project'));
var storage = new Storage(client, 'my-project');
var pubsub = new PubSub(client, 'my-project');

ss.fork(() {
  // register the services in the new service scope.
  registerDbService(db);
  registerStorageService(storage);
  registerPubSubService(pubsub);
  
  // Run application using these services.
});

dbService.
storageService.
pubsubService.

var db = context.services.db;

var db = dbService;

@db.Kind()
class Person extends db.Model {
  @db.StringProperty()
  String name;

  @db.IntProperty()
  int age;
}

var person = new Person()
    ..name = ''
    ..age = 42;
await db.commit(inserts: [person]);

var persons = (await db.query(Person).run()).toList();

var bucket = await storage.createBucket('my-bucket');
new File('my-file.txt').openRead().pipe(bucket.write('my-object'));

bucket.read('my-object').pipe(new File('my-file-copy.txt').openWrite());

var topic = await pubsub.createTopic('my'topic');
await topic.publishString('Hello, world!')

var subscription =
    await pubsub.createSubscription('my-subscription', 'my-topic);
var pullEvent = await subscription.pull();
print(pullEvent.message.asString);
await pullEvent.acknowledge()

await pubsub.createSubscription(
    'my-subscription',
    'my-topic',
    endpoint: Uri.parse('https://server.example.com/push'));