Cette page a été traduite par l'API Cloud Translation.

Supprimer la règle de conservation

Cette page montre comment supprimer une règle de conservation d'un bucket. Vous devez déverrouiller la règle de conservation du bucket pour pouvoir la supprimer.

En savoir plus

Pour obtenir une documentation détaillée incluant cet exemple de code, consultez la page suivante :

Utiliser et verrouiller des règles de conservation

Exemple de code

C++

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage C++.

Pour vous authentifier auprès de Cloud Storage, configurez le service Identifiants par défaut de l'application. Pour en savoir plus, consultez la page Configurer l'authentification pour les bibliothèques clientes.

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name) {
  StatusOr<gcs::BucketMetadata> original =
      client.GetBucketMetadata(bucket_name);
  if (!original) throw std::move(original).status();

  StatusOr<gcs::BucketMetadata> patched = client.PatchBucket(
      bucket_name, gcs::BucketMetadataPatchBuilder().ResetRetentionPolicy(),
      gcs::IfMetagenerationMatch(original->metageneration()));
  if (!patched) throw std::move(patched).status();

  if (!patched->has_retention_policy()) {
    std::cout << "The bucket " << patched->name()
              << " does not have a retention policy set.\n";
    return;
  }

  std::cout << "The bucket " << patched->name()
            << " retention policy is set to " << patched->retention_policy()
            << ". This is unexpected, maybe a concurrent change by another"
            << " application?\n";
}

C#

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage C#.


using Google.Cloud.Storage.V1;
using System;

public class RemoveRetentionPolicySample
{
    public void RemoveRetentionPolicy(string bucketName = "your-unique-bucket-name")
    {
        var storage = StorageClient.Create();
        var bucket = storage.GetBucket(bucketName);
        if (bucket.RetentionPolicy != null)
        {
            bool isLocked = bucket.RetentionPolicy.IsLocked ?? false;
            if (isLocked)
            {
                throw new Exception("Retention Policy is locked.");
            }

            bucket.RetentionPolicy.RetentionPeriod = null;
            storage.UpdateBucket(bucket);

            Console.WriteLine($"Retention period for {bucketName} has been removed.");
        }
    }
}

Go

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage Go.

import (
	"context"
	"fmt"
	"io"
	"time"

	"cloud.google.com/go/storage"
)

// removeRetentionPolicy removes bucket retention policy.
func removeRetentionPolicy(w io.Writer, bucketName string) error {
	// bucketName := "bucket-name"
	ctx := context.Background()
	client, err := storage.NewClient(ctx)
	if err != nil {
		return fmt.Errorf("storage.NewClient: %w", err)
	}
	defer client.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*50)
	defer cancel()

	bucket := client.Bucket(bucketName)
	attrs, err := bucket.Attrs(ctx)
	if err != nil {
		return fmt.Errorf("Bucket(%q).Attrs: %w", bucketName, err)
	}
	if attrs.RetentionPolicy.IsLocked {
		return fmt.Errorf("retention policy is locked")
	}

	bucketAttrsToUpdate := storage.BucketAttrsToUpdate{
		RetentionPolicy: &storage.RetentionPolicy{},
	}
	if _, err := bucket.Update(ctx, bucketAttrsToUpdate); err != nil {
		return fmt.Errorf("Bucket(%q).Update: %w", bucketName, err)
	}
	fmt.Fprintf(w, "Retention period for %v has been removed\n", bucketName)
	return nil
}

Java

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage Java.


import com.google.cloud.storage.Bucket;
import com.google.cloud.storage.Storage;
import com.google.cloud.storage.StorageException;
import com.google.cloud.storage.StorageOptions;

public class RemoveRetentionPolicy {
  public static void removeRetentionPolicy(String projectId, String bucketName)
      throws StorageException, IllegalArgumentException {
    // The ID of your GCP project
    // String projectId = "your-project-id";

    // The ID of your GCS bucket
    // String bucketName = "your-unique-bucket-name";

    Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();

    Bucket bucket =
        storage.get(
            bucketName, Storage.BucketGetOption.fields(Storage.BucketField.RETENTION_POLICY));
    if (bucket.retentionPolicyIsLocked() != null && bucket.retentionPolicyIsLocked()) {
      throw new IllegalArgumentException(
          "Unable to remove retention policy as retention policy is locked.");
    }

    bucket.toBuilder().setRetentionPeriod(null).build().update();

    System.out.println("Retention policy for " + bucketName + " has been removed");
  }
}

Node.js

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage Node.js.

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCS bucket
// const bucketName = 'your-unique-bucket-name';

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

// Creates a client
const storage = new Storage();

async function removeRetentionPolicy() {
  const [metadata] = await storage.bucket(bucketName).getMetadata();
  if (metadata.retentionPolicy && metadata.retentionPolicy.isLocked) {
    console.log(
      'Unable to remove retention period as retention policy is locked.'
    );
    return null;
  } else {
    const results = await storage.bucket(bucketName).removeRetentionPeriod();
    console.log(`Removed bucket ${bucketName} retention policy.`);
    return results;
  }
}

removeRetentionPolicy().catch(console.error);

PHP

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage PHP.

use Google\Cloud\Storage\StorageClient;

/**
 * Removes a bucket's retention policy.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function remove_retention_policy(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $bucket->reload();

    if (array_key_exists('isLocked', $bucket->info()['retentionPolicy']) &&
        $bucket->info()['retentionPolicy']['isLocked']) {
        printf('Unable to remove retention period as retention policy is locked.' . PHP_EOL);
        return;
    }

    $bucket->update([
        'retentionPolicy' => []
    ]);
    printf('Removed bucket %s retention policy' . PHP_EOL, $bucketName);
}

Python

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage Python.

from google.cloud import storage


def remove_retention_policy(bucket_name):
    """Removes the retention policy on a given bucket"""
    # bucket_name = "my-bucket"

    storage_client = storage.Client()
    bucket = storage_client.bucket(bucket_name)
    bucket.reload()

    if bucket.retention_policy_locked:
        print(
            "Unable to remove retention period as retention policy is locked."
        )
        return

    bucket.retention_period = None
    bucket.patch()

    print(f"Removed bucket {bucket.name} retention policy")

Ruby

Pour en savoir plus, consultez la documentation de référence de l'API Cloud Storage en langage Ruby.

def remove_retention_policy bucket_name:
  # The ID of your GCS bucket
  # bucket_name = "your-unique-bucket-name"

  require "google/cloud/storage"

  storage = Google::Cloud::Storage.new
  bucket  = storage.bucket bucket_name

  if !bucket.retention_policy_locked?
    bucket.retention_period = nil
    puts "Retention policy for #{bucket_name} has been removed."
  else
    puts "Policy is locked and retention policy can't be removed."
  end
end

Étape suivante

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