Elenca le norme sui dati

Elenca tutte le policy relative ai dati in un progetto specificato.

Per saperne di più

Per la documentazione dettagliata che include questo esempio di codice, vedi quanto segue:

Esempio di codice

Java

Prima di provare questo esempio, segui le istruzioni di configurazione di Java nella guida rapida di BigQuery per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API BigQuery Java.

Per eseguire l'autenticazione in BigQuery, configura le Credenziali predefinite dell'applicazione. Per saperne di più, vedi Configura l'autenticazione per le librerie client. 

import com.google.api.gax.rpc.ApiException;
import com.google.api.gax.rpc.NotFoundException;
import com.google.cloud.bigquery.datapolicies.v2.DataPolicy;
import com.google.cloud.bigquery.datapolicies.v2.DataPolicyServiceClient;
import com.google.cloud.bigquery.datapolicies.v2.DataPolicyServiceClient.ListDataPoliciesPagedResponse;
import com.google.cloud.bigquery.datapolicies.v2.ListDataPoliciesRequest;
import com.google.cloud.bigquery.datapolicies.v2.LocationName;
import java.io.IOException;

public class ListDataPolicies {

  /**
   * Lists all data policies in a specified project and location.
   *
   * @param projectId The Google Cloud project ID (for example, "example-project-id").
   * @param location The geographic location of the data policies (for example, "us-central1").
   */
  public static void listDataPolicies(String projectId, String location) {
    LocationName parent = LocationName.of(projectId, location);

    ListDataPoliciesRequest request =
        ListDataPoliciesRequest.newBuilder().setParent(parent.toString()).build();

    try (DataPolicyServiceClient client = DataPolicyServiceClient.create()) {
      System.out.printf(
          "Listing data policies for project '%s' in location '%s':%n", projectId, location);
      ListDataPoliciesPagedResponse pageResult = client.listDataPolicies(request);

      boolean foundPolicies = false;
      for (DataPolicy dataPolicy : pageResult.iterateAll()) {
        foundPolicies = true;
        System.out.printf("  Data Policy Name: %s%n", dataPolicy.getName());
        System.out.printf("  Data Policy ID: %s%n", dataPolicy.getDataPolicyId());
        System.out.printf("  Data Policy Type: %s%n", dataPolicy.getDataPolicyType());
        if (!dataPolicy.getPolicyTag().isEmpty()) {
          System.out.printf("  Policy Tag: %s%n", dataPolicy.getPolicyTag());
        }
        if (!dataPolicy.getGranteesList().isEmpty()) {
          System.out.printf("  Grantees: %s%n", String.join(", ", dataPolicy.getGranteesList()));
        }
        System.out.println("--------------------");
      }

      if (!foundPolicies) {
        System.out.println("No data policies found.");
      }
    } catch (NotFoundException err) {
      System.err.printf(
          "error: project '%s' or location '%s' was not found: %s%n",
          projectId, location, err.getMessage());
    } catch (ApiException | IOException err) {
      System.err.printf(
          "error: failed to list data policies in location '%s' for project '%s': %s%n",
          location, projectId, err.getMessage());
    }
  }

Node.js

Prima di provare questo esempio, segui le istruzioni di configurazione di Node.js nella guida rapida di BigQuery per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API BigQuery Node.js.

Per eseguire l'autenticazione in BigQuery, configura le Credenziali predefinite dell'applicazione. Per saperne di più, vedi Configura l'autenticazione per le librerie client. 

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

Prima di provare questo esempio, segui le istruzioni di configurazione di Python nella guida rapida di BigQuery per l'utilizzo delle librerie client. Per saperne di più, consulta la documentazione di riferimento dell'API BigQuery Python.

Per eseguire l'autenticazione in BigQuery, configura le Credenziali predefinite dell'applicazione. Per saperne di più, vedi Configura l'autenticazione per le librerie client. 

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}")

Passaggi successivi

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