我正在寻找一种从 Java 代码以编程方式调用Firestore 导入/导出功能的方法。
到目前为止,我发现好的firestore 客户端库还不支持导入/导出调用。但是更底层的rest/grpc api已经支持它们。使用java 库,我尝试了以下操作:
Firestore firestoreApi = new Firestore
.Builder(UrlFetchTransport.getDefaultInstance(), new GsonFactory(), null)
.setApplicationName(SystemProperty.applicationId.get())
.build();
GoogleFirestoreAdminV1beta2ImportDocumentsRequest importRequest = new GoogleFirestoreAdminV1beta2ImportDocumentsRequest();
importRequest.setInputUriPrefix(String.format("gs://{}/{}/", BUCKET, image));
GoogleLongrunningOperation operation = firestoreApi
.projects()
.databases()
.importDocuments("projects/" + SystemProperty.applicationId.get() + "/databases/(default)", importRequest)
.execute();
在应用引擎中运行时,遗憾的是缺少权限:
com.google.api.client.googleapis.json.GoogleJsonResponseException: 401
{
"code": 401,
"errors": [
{
"domain": "global",
"location": "Authorization",
"locationType": "header",
"message": "Login Required.",
"reason": "required"
}
],
"message": "Request is missing required authentication credential. Expected OAuth 2 access token, login cookie or other valid authentication credential. See https://developers.google.com/identity/sign-in/web/devconsole-project.",
"status": "UNAUTHENTICATED"
我无法获得登录工作的正式方式,因为 Firestore 构建器没有接受AppEngineCredentials
.
我已经检查了 python 客户端库,它似乎也不支持这些方法(还)。有谁知道我如何使用旧的 rest api 登录或获取支持这些方法的客户端库(请在应用程序引擎上运行某种语言:))
谢谢阅读!卡斯腾
您可以针对 Cloud Firestore调整此Cloud Datastore 示例。在此处查看他们如何获得访问令牌:
import com.google.appengine.api.appidentity.AppIdentityService;
import com.google.appengine.api.appidentity.AppIdentityServiceFactory;
// Get an access token to authorize export request
ArrayList<String> scopes = new ArrayList<String>();
scopes.add("https://www.googleapis.com/auth/datastore");
final AppIdentityService appIdentity = AppIdentityServiceFactory.getAppIdentityService();
final AppIdentityService.GetAccessTokenResult accessToken =
AppIdentityServiceFactory.getAppIdentityService().getAccessToken(scopes);
connection.addRequestProperty("Authorization", "Bearer " + accessToken.getAccessToken());
本文收集自互联网,转载请注明来源。
如有侵权,请联系 [email protected] 删除。
我来说两句