创建 IAM 政策

为表创建 IAM 政策。

深入探索

如需查看包含此代码示例的详细文档，请参阅以下内容：

使用 IAM 控制对资源的访问权限

代码示例

Java

试用此示例之前，请按照 BigQuery 快速入门：使用客户端库中的 Java 设置说明进行操作。如需了解详情，请参阅 BigQuery Java API 参考文档。

如需向 BigQuery 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为客户端库设置身份验证。

import com.google.cloud.Identity;
import com.google.cloud.Policy;
import com.google.cloud.Role;
import com.google.cloud.bigquery.BigQuery;
import com.google.cloud.bigquery.BigQueryException;
import com.google.cloud.bigquery.BigQueryOptions;
import com.google.cloud.bigquery.TableId;

// Sample to create iam policy for table
public class CreateIamPolicy {

  public static void main(String[] args) {
    // TODO(developer): Replace these variables before running the sample.
    String datasetName = "MY_DATASET_NAME";
    String tableName = "MY_TABLE_NAME";
    createIamPolicy(datasetName, tableName);
  }

  public static void createIamPolicy(String datasetName, String tableName) {
    try {
      // Initialize client that will be used to send requests. This client only needs to be created
      // once, and can be reused for multiple requests.
      BigQuery bigquery = BigQueryOptions.getDefaultInstance().getService();

      TableId tableId = TableId.of(datasetName, tableName);

      Policy policy = bigquery.getIamPolicy(tableId);
      policy
          .toBuilder()
          .addIdentity(
              Role.of("roles/bigquery.dataViewer"),
              Identity.user("example-analyst-group@google.com"))
          .build();
      bigquery.setIamPolicy(tableId, policy);
      System.out.println("Iam policy created successfully");
    } catch (BigQueryException e) {
      System.out.println("Iam policy was not created. \n" + e.toString());
    }
  }
}

Python

试用此示例之前，请按照 BigQuery 快速入门：使用客户端库中的 Python 设置说明进行操作。如需了解详情，请参阅 BigQuery Python API 参考文档。

如需向 BigQuery 进行身份验证，请设置应用默认凭据。如需了解详情，请参阅为客户端库设置身份验证。

from google.cloud import bigquery

bqclient = bigquery.Client()

policy = bqclient.get_iam_policy(
    your_table_id,  # e.g. "project.dataset.table"
)

analyst_email = "example-analyst-group@google.com"
binding = {
    "role": "roles/bigquery.dataViewer",
    "members": {f"group:{analyst_email}"},
}
policy.bindings.append(binding)

updated_policy = bqclient.set_iam_policy(
    your_table_id,  # e.g. "project.dataset.table"
    policy,
)

for binding in updated_policy.bindings:
    print(repr(binding))

后续步骤

如需搜索和过滤其他 Google Cloud 产品的代码示例，请参阅 Google Cloud 示例浏览器。