Enable object versioning for a bucket

Enable object versioning for a Cloud Storage bucket.

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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 a local development environment.

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().SetVersioning(
          gcs::BucketVersioning{true}),
      gcs::IfMetagenerationMatch(original->metageneration()));
  if (!patched) throw std::move(patched).status();

  if (patched->versioning().has_value()) {
    std::cout << "Object versioning for bucket " << bucket_name << " is "
              << (patched->versioning()->enabled ? "enabled" : "disabled")
              << "\n";
  } else {
    std::cout << "Object versioning for bucket " << bucket_name
              << " is disabled.\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 a local development environment.


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

public class BucketEnableVersioningSample
{
	public Bucket BucketEnableVersioning(string bucketName = "your-bucket-name")
	{
		var storage = StorageClient.Create();
		var bucket = storage.GetBucket(bucketName);

		if (bucket.Versioning == null)
		{
			bucket.Versioning = new Bucket.VersioningData();
		}
		bucket.Versioning.Enabled = true;

		bucket = storage.UpdateBucket(bucket);
		Console.WriteLine($"Versioning is now enabled for bucket {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 a local development environment.

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

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

// enableVersioning enables object versioning on a bucket.
func enableVersioning(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)
	bucketAttrsToUpdate := storage.BucketAttrsToUpdate{
		VersioningEnabled: true,
	}
	if _, err := bucket.Update(ctx, bucketAttrsToUpdate); err != nil {
		return fmt.Errorf("Bucket(%q).Update: %w", bucketName, err)
	}
	fmt.Fprintf(w, "Versioning was enabled 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 a local development environment.

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

public class EnableBucketVersioning {
  public static void enableBucketVersioning(String projectId, String bucketName) {
    // 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);
    bucket.toBuilder().setVersioningEnabled(true).build().update();

    System.out.println("Versioning is now enabled for bucket " + 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 a local development environment.

/**
 * 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 enableBucketVersioning() {
  await storage.bucket(bucketName).setMetadata({
    versioning: {
      enabled: true,
    },
  });

  console.log(`Versioning is enabled for bucket ${bucketName}`);
}

enableBucketVersioning().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 a local development environment.

use Google\Cloud\Storage\StorageClient;

/**
 * Enable versioning on the specified bucket.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function enable_versioning(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $bucket->update([
        'versioning' => [
            'enabled' => true,
        ]
    ]);

    printf('Versioning is now enabled for bucket %s', $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 a local development environment.

from google.cloud import storage


def enable_versioning(bucket_name):
    """Enable versioning for this bucket."""
    # bucket_name = "my-bucket"

    storage_client = storage.Client()

    bucket = storage_client.get_bucket(bucket_name)
    bucket.versioning_enabled = True
    bucket.patch()

    print(f"Versioning was enabled for bucket {bucket.name}")
    return bucket

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 a local development environment.

def enable_versioning 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.versioning = true

  puts "Versioning was enabled for bucket #{bucket_name}"
end

What's next

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