Supprimer une sauvegarde

Supprimer une sauvegarde de base de données.

En savoir plus

Pour obtenir une documentation détaillée incluant cet exemple de code, consultez les articles suivants :

Sauvegarder et restaurer des bases de données à l'aide de bibliothèques clientes

Exemple de code

C++

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.

Pour vous authentifier auprès de Spanner, configurez les Identifiants par défaut de l'application. Pour en savoir plus, consultez Configurer l'authentification pour un environnement de développement local.

void DeleteBackup(google::cloud::spanner_admin::DatabaseAdminClient client,
                  std::string const& project_id, std::string const& instance_id,
                  std::string const& backup_id) {
  google::cloud::spanner::Backup backup(
      google::cloud::spanner::Instance(project_id, instance_id), backup_id);
  auto status = client.DeleteBackup(backup.FullName());
  if (!status.ok()) throw std::move(status);
  std::cout << "Backup " << backup.FullName() << " was deleted.\n";
}

C#

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.


using Google.Cloud.Spanner.Admin.Database.V1;
using System;

public class DeleteBackupSample
{
    public void DeleteBackup(string projectId, string instanceId, string backupId)
    {
        // Create the DatabaseAdminClient instance.
        DatabaseAdminClient databaseAdminClient = DatabaseAdminClient.Create();

        // Make the DeleteBackup request.
        BackupName backupName = BackupName.FromProjectInstanceBackup(projectId, instanceId, backupId);
        databaseAdminClient.DeleteBackup(backupName);

        Console.WriteLine("Backup deleted successfully.");
    }
}

Go

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.


import (
	"context"
	"fmt"
	"io"
	"regexp"

	database "cloud.google.com/go/spanner/admin/database/apiv1"
	adminpb "google.golang.org/genproto/googleapis/spanner/admin/database/v1"
)

func deleteBackup(ctx context.Context, w io.Writer, db, backupID string) error {
	adminClient, err := database.NewDatabaseAdminClient(ctx)
	if err != nil {
		return err
	}
	defer adminClient.Close()

	matches := regexp.MustCompile("^(.*)/databases/(.*)$").FindStringSubmatch(db)
	if matches == nil || len(matches) != 3 {
		return fmt.Errorf("Invalid database id %s", db)
	}
	backupName := matches[1] + "/backups/" + backupID
	// Delete the backup.
	err = adminClient.DeleteBackup(ctx, &adminpb.DeleteBackupRequest{Name: backupName})
	if err != nil {
		return err
	}
	fmt.Fprintf(w, "Deleted backup %s\n", backupID)
	return nil
}

Java

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.

static void deleteBackup(DatabaseAdminClient dbAdminClient,
    String project, String instance, String backupId) {
  BackupName backupName = BackupName.of(project, instance, backupId);

  // Delete the backup.
  System.out.println("Deleting backup [" + backupId + "]...");
  dbAdminClient.deleteBackup(backupName);
  // Verify that the backup is deleted.
  try {
    dbAdminClient.getBackup(backupName);
  } catch (NotFoundException e) {
    if (e.getStatusCode().getCode() == Code.NOT_FOUND) {
      System.out.println("Deleted backup [" + backupId + "]");
    } else {
      System.out.println("Delete backup [" + backupId + "] failed");
      throw new RuntimeException("Delete backup [" + backupId + "] failed", e);
    }
  }
}

Node.js

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.


// Imports the Google Cloud client library
const {Spanner} = require('@google-cloud/spanner');

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// const projectId = 'my-project-id';
// const instanceId = 'my-instance';
// const databaseId = 'my-database';
// const backupId = 'my-backup';

// Creates a client
const spanner = new Spanner({
  projectId: projectId,
});

// Gets a reference to a Cloud Spanner Database Admin Client object
const databaseAdminClient = spanner.getDatabaseAdminClient();

// Delete the backup
console.log(`Deleting backup ${backupId}.`);
await databaseAdminClient.deleteBackup({
  name: databaseAdminClient.backupPath(projectId, instanceId, backupId),
});
console.log('Backup deleted.');

// Verify backup no longer exists
try {
  await databaseAdminClient.getBackup({
    name: databaseAdminClient.backupPath(projectId, instanceId, backupId),
  });
  console.error('Error: backup still exists.');
} catch (err) {
  console.log('Backup deleted.');
}

PHP

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.

use Google\Cloud\Spanner\Admin\Database\V1\Client\DatabaseAdminClient;
use Google\Cloud\Spanner\Admin\Database\V1\DeleteBackupRequest;

/**
 * Delete a backup.
 * Example:
 * ```
 * delete_backup($projectId, $instanceId, $backupId);
 * ```
 * @param string $projectId The Google Cloud project ID.
 * @param string $instanceId The Spanner instance ID.
 * @param string $backupId The Spanner backup ID.
 */
function delete_backup(string $projectId, string $instanceId, string $backupId): void
{
    $databaseAdminClient = new DatabaseAdminClient();

    $backupName = DatabaseAdminClient::backupName($projectId, $instanceId, $backupId);

    $request = new DeleteBackupRequest();
    $request->setName($backupName);
    $databaseAdminClient->deleteBackup($request);

    print("Backup $backupName deleted" . PHP_EOL);
}

Python

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.

def delete_backup(instance_id, backup_id):
    from google.cloud.spanner_admin_database_v1.types import \
        backup as backup_pb

    spanner_client = spanner.Client()
    database_admin_api = spanner_client.database_admin_api
    backup = database_admin_api.get_backup(
        backup_pb.GetBackupRequest(
            name=database_admin_api.backup_path(
                spanner_client.project, instance_id, backup_id
            ),
        )
    )

    # Wait for databases that reference this backup to finish optimizing.
    while backup.referencing_databases:
        time.sleep(30)
        backup = database_admin_api.get_backup(
            backup_pb.GetBackupRequest(
                name=database_admin_api.backup_path(
                    spanner_client.project, instance_id, backup_id
                ),
            )
        )

    # Delete the backup.
    database_admin_api.delete_backup(backup_pb.DeleteBackupRequest(name=backup.name))

    # Verify that the backup is deleted.
    try:
        backup = database_admin_api.get_backup(
            backup_pb.GetBackupRequest(name=backup.name)
        )
    except NotFound:
        print("Backup {} has been deleted.".format(backup.name))
        return

Ruby

Pour savoir comment installer et utiliser la bibliothèque cliente pour Spanner, consultez la page Bibliothèques clientes Spanner.

# project_id  = "Your Google Cloud project ID"
# instance_id = "Your Spanner instance ID"
# backup_id = "Your Spanner backup ID"

require "google/cloud/spanner"
require "google/cloud/spanner/admin/database"

database_admin_client = Google::Cloud::Spanner::Admin::Database.database_admin
instance_path = database_admin_client.instance_path project: project_id, instance: instance_id
backup_path = database_admin_client.backup_path project: project_id,
                                                instance: instance_id,
                                                backup: backup_id

database_admin_client.delete_backup name: backup_path
puts "Backup #{backup_id} deleted"

Étapes suivantes

Pour rechercher et filtrer des exemples de code pour d'autres produits Google Cloud, consultez l'exemple de navigateur Google Cloud.