java如何对com进行身份验证。谷歌。云bigquery。带有服务帐户的BigQuery`

Question

我想用这个图书馆

com.google.cloud.bigquery.BigQuery

如示例所示：

https://cloud.google.com/bigquery/create-simple-app-api

但是，我想用服务帐户验证BigQuery客户机

我该怎么做

我只看到默认的凭证方式

  BigQuery bigquery =
                new BigQueryOptions.DefaultBigqueryFactory().create(BigQueryOptions.defaultInstance());

Answer 1

请注意，根据Issue #3535，项目ID可能无法由setCredentials单独正确设置（“缺少项目ID”错误），因此应使用setProjectId显式设置

例如

   ServiceAccountCredentials credentials;
   File credentialsPath = new File("/pathToJSONfile/SOME_NAME.json");

   try (FileInputStream serviceAccountStream = new FileInputStream(credentialsPath)) {
      credentials = ServiceAccountCredentials.fromStream(serviceAccountStream);
   }

   BigQuery bigquery = BigQueryOptions.newBuilder()
         .setCredentials(credentials)
         .setProjectId(credentials.getProjectId())
         .build().getService();

Answer 2

尝试使用setCredentials和ServiceAccountCredentials。在构建服务时使用fromStream

BigQuery bigquery = BigQueryOptions.newBuilder()
    .setCredentials(
       ServiceAccountCredentials.fromStream(
         new FileInputStream("your_json_service_keyfile.json"))
    )
    .build().getService()

这应该更好地记录在谷歌的API文档中

希望有帮助，这是我关于stackoverflow的第一个答案：-）