Mencantumkan kebijakan data

Mencantumkan semua kebijakan data dalam project tertentu.

Mempelajari lebih lanjut

Untuk dokumentasi mendetail yang menyertakan contoh kode ini, lihat artikel berikut:

• Menyamarkan data kolom
• Membatasi akses dengan kontrol akses tingkat kolom

Contoh kode

Node.js

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Node.js di Panduan memulai BigQuery menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi BigQuery Node.js API.

Untuk melakukan autentikasi ke BigQuery, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk library klien.

const {DataPolicyServiceClient} =
  require('@google-cloud/bigquery-datapolicies').v2;
const {status} = require('@grpc/grpc-js');

const client = new DataPolicyServiceClient();

/**
 * Lists all data policies in a given project and location.
 *
 * Data policies define rules for data masking, row-level security, or column-level security.
 *
 * @param {string} projectId The Google Cloud project ID. (for example, 'example-project-id')
 * @param {string} location The Google Cloud location of the data policies. (For example, 'us')
 */
async function listDataPolicies(projectId, location) {
  const parent = `projects/${projectId}/locations/${location}`;

  const request = {
    parent,
  };

  try {
    console.log(
      `Listing data policies for project: ${projectId} in location: ${location}`,
    );
    const [dataPolicies] = await client.listDataPolicies(request);

    if (dataPolicies.length === 0) {
      console.log(
        `No data policies found in location ${location} for project ${projectId}.`,
      );
      return;
    }

    console.log('Data Policies:');
    for (const dataPolicy of dataPolicies) {
      console.log(`  Data Policy Name: ${dataPolicy.name}`);
      console.log(`    ID: ${dataPolicy.dataPolicyId}`);
      console.log(`    Type: ${dataPolicy.dataPolicyType}`);
      if (dataPolicy.policyTag) {
        console.log(`    Policy Tag: ${dataPolicy.policyTag}`);
      }
      if (dataPolicy.grantees && dataPolicy.grantees.length > 0) {
        console.log(`    Grantees: ${dataPolicy.grantees.join(', ')}`);
      }
      if (dataPolicy.dataMaskingPolicy) {
        if (dataPolicy.dataMaskingPolicy.predefinedExpression) {
          console.log(
            `    Data Masking Predefined Expression: ${dataPolicy.dataMaskingPolicy.predefinedExpression}`,
          );
        } else if (dataPolicy.dataMaskingPolicy.routine) {
          console.log(
            `    Data Masking Routine: ${dataPolicy.dataMaskingPolicy.routine}`,
          );
        }
      }
    }

    console.log(`Successfully listed ${dataPolicies.length} data policies.`);
  } catch (err) {
    if (err.code === status.NOT_FOUND) {
      console.error(
        `Error: The project or location '${location}' for project '${projectId}' was not found. ` +
          'Make sure the project ID and location are correct and that the BigQuery Data Policy API is enabled.',
      );
    } else if (err.code === status.PERMISSION_DENIED) {
      console.error(
        `Error: Permission denied when listing data policies for project '${projectId}' in location '${location}'. ` +
          'Make sure the authenticated account has the necessary permissions (For example, bigquery.datapolicies.list).',
      );
    } else {
      console.error(`Error listing data policies: ${err.message}`);
    }
  }
}

Python

Sebelum mencoba contoh ini, ikuti petunjuk penyiapan Python di Panduan memulai BigQuery menggunakan library klien. Untuk mengetahui informasi selengkapnya, lihat Dokumentasi referensi BigQuery Python API.

Untuk melakukan autentikasi ke BigQuery, siapkan Kredensial Default Aplikasi. Untuk mengetahui informasi selengkapnya, lihat Menyiapkan autentikasi untuk library klien.

import google.api_core.exceptions
from google.cloud import bigquery_datapolicies_v2

client = bigquery_datapolicies_v2.DataPolicyServiceClient()


def list_data_policies(project_id: str, location: str) -> None:
    """Lists all data policies in a specified project.

    Args:
        project_id: The Google Cloud project ID.
        location: The geographic location of the data policies (for example, "us", "us-central1").
    """

    parent = f"projects/{project_id}/locations/{location}"

    try:
        request = bigquery_datapolicies_v2.ListDataPoliciesRequest(parent=parent)

        print(
            f"Listing data policies for project '{project_id}' in location '{location}':"
        )
        page_result = client.list_data_policies(request=request)

        found_policies = False
        for data_policy in page_result:
            found_policies = True
            print(f"  Data Policy Name: {data_policy.name}")
            print(f"  Data Policy ID: {data_policy.data_policy_id}")
            print(f"  Data Policy Type: {data_policy.data_policy_type.name}")
            if data_policy.policy_tag:
                print(f"  Policy Tag: {data_policy.policy_tag}")
            if data_policy.grantees:
                print(f"  Grantees: {', '.join(data_policy.grantees)}")
            print("-" * 20)

        if not found_policies:
            print("No data policies found.")

    except google.api_core.exceptions.NotFound as e:
        print(f"Error: The specified project or location was not found or accessible.")
        print(f"Details: {e}")
        print(
            "Make sure the project ID and location are correct and you have the necessary permissions."
        )
    except Exception as e:
        print(f"An unexpected error occurred: {e}")

Langkah berikutnya

Untuk menelusuri dan memfilter contoh kode untuk produk Google Cloud lainnya, lihat browser contohGoogle Cloud .