Disable uniform bucket-level access

Disable uniform bucket-level access.

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For detailed documentation that includes this code sample, see the following:

Code sample

C++

For more information, see the Cloud Storage C++ API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string const& bucket_name) {
  gcs::BucketIamConfiguration configuration;
  configuration.uniform_bucket_level_access =
      gcs::UniformBucketLevelAccess{false, {}};
  StatusOr<gcs::BucketMetadata> updated = client.PatchBucket(
      bucket_name, gcs::BucketMetadataPatchBuilder().SetIamConfiguration(
                       std::move(configuration)));
  if (!updated) throw std::move(updated).status();

  std::cout << "Successfully disabled Uniform Bucket Level Access on bucket "
            << updated->name() << "\n";
}

C#

For more information, see the Cloud Storage C# API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.


using Google.Apis.Storage.v1.Data;
using Google.Cloud.Storage.V1;
using System;

public class DisableUniformBucketLevelAccessSample
{
    public Bucket DisableUniformBucketLevelAccess(string bucketName = "your-unique-bucket-name")
    {
        var storage = StorageClient.Create();
        var bucket = storage.GetBucket(bucketName);
        bucket.IamConfiguration.UniformBucketLevelAccess.Enabled = false;
        bucket.IamConfiguration.BucketPolicyOnly.Enabled = false;
        bucket = storage.UpdateBucket(bucket);

        Console.WriteLine($"Uniform bucket-level access was disabled for {bucketName}.");
        return bucket;
    }
}

Go

For more information, see the Cloud Storage Go API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

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

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

// disableUniformBucketLevelAccess sets uniform bucket-level access to false.
func disableUniformBucketLevelAccess(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*10)
	defer cancel()

	bucket := client.Bucket(bucketName)
	disableUniformBucketLevelAccess := storage.BucketAttrsToUpdate{
		UniformBucketLevelAccess: &storage.UniformBucketLevelAccess{
			Enabled: false,
		},
	}
	if _, err := bucket.Update(ctx, disableUniformBucketLevelAccess); err != nil {
		return fmt.Errorf("Bucket(%q).Update: %w", bucketName, err)
	}
	fmt.Fprintf(w, "Uniform bucket-level access was disabled for %v\n", bucketName)
	return nil
}

Java

For more information, see the Cloud Storage Java API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.


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

public class DisableUniformBucketLevelAccess {
  public static void disableUniformBucketLevelAccess(String projectId, String bucketName)
      throws StorageException {
    // 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();

    // first look up the bucket, so we will have its metageneration
    Bucket bucket = storage.get(bucketName);

    BucketInfo.IamConfiguration iamConfiguration =
        BucketInfo.IamConfiguration.newBuilder()
            .setIsUniformBucketLevelAccessEnabled(false)
            .build();

    storage.update(
        bucket.toBuilder().setIamConfiguration(iamConfiguration).build(),
        BucketTargetOption.metagenerationMatch());

    System.out.println("Uniform bucket-level access was disabled for " + bucketName);
  }
}

Node.js

For more information, see the Cloud Storage Node.js API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

/**
 * 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 disableUniformBucketLevelAccess() {
  // Disables uniform bucket-level access for the bucket
  await storage.bucket(bucketName).setMetadata({
    iamConfiguration: {
      uniformBucketLevelAccess: {
        enabled: false,
      },
    },
  });

  console.log(`Uniform bucket-level access was disabled for ${bucketName}.`);
}

disableUniformBucketLevelAccess().catch(console.error);

PHP

For more information, see the Cloud Storage PHP API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

use Google\Cloud\Storage\StorageClient;

/**
 * Enable uniform bucket-level access.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function disable_uniform_bucket_level_access(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $bucket->update([
        'iamConfiguration' => [
            'uniformBucketLevelAccess' => [
                'enabled' => false
            ],
        ]
    ]);
    printf('Uniform bucket-level access was disabled for %s' . PHP_EOL, $bucketName);
}

Python

For more information, see the Cloud Storage Python API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

from google.cloud import storage


def disable_uniform_bucket_level_access(bucket_name):
    """Disable uniform bucket-level access for a bucket"""
    # bucket_name = "my-bucket"

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

    bucket.iam_configuration.uniform_bucket_level_access_enabled = False
    bucket.patch()

    print(
        f"Uniform bucket-level access was disabled for {bucket.name}."
    )

Ruby

For more information, see the Cloud Storage Ruby API reference documentation.

To authenticate to Cloud Storage, set up Application Default Credentials. For more information, see Set up authentication for client libraries.

def disable_uniform_bucket_level_access 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

  bucket.uniform_bucket_level_access = false

  puts "Uniform bucket-level access was disabled for #{bucket_name}."
end

What's next

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