ストレージ管理: フォルダを削除する

HNS バケット内のフォルダを削除する方法について説明します。

さらに詳しい情報

このコードサンプルを含む詳細なドキュメントについては、以下をご覧ください。

フォルダの作成と管理

コードサンプル

C++

詳細については、Cloud Storage C++ API のリファレンスドキュメントをご覧ください。

Cloud Storage に対する認証を行うには、アプリケーションのデフォルト認証情報を設定します。詳細については、ローカル開発環境の認証の設定をご覧ください。

namespace storagecontrol = google::cloud::storagecontrol_v2;
[](storagecontrol::StorageControlClient client,
   std::string const& bucket_name, std::string const& folder_id) {
  auto const name = std::string{"projects/_/buckets/"} + bucket_name +
                    "/folders/" + folder_id;
  auto status = client.DeleteFolder(name);
  if (!status.ok()) throw std::move(status);

  std::cout << "Deleted folder: " << folder_id << "\n";
}

C#

詳細については、Cloud Storage C# API のリファレンスドキュメントをご覧ください。

using Google.Cloud.Storage.Control.V2;
using System;

public class StorageControlDeleteFolderSample
{
    public void StorageControlDeleteFolder(string bucketName = "your-unique-bucket-name",
        string folderName = "your_folder_name")
    {
        StorageControlClient storageControl = StorageControlClient.Create();

        string folderResourceName =
            // Set project to "_" to signify globally scoped bucket
            FolderName.FormatProjectBucketFolder("_", bucketName, folderName);

        storageControl.DeleteFolder(folderResourceName);

        Console.WriteLine($"Deleted folder {folderName} from bucket {bucketName}");
    }
}

Go

詳細については、Cloud Storage Go API のリファレンスドキュメントをご覧ください。

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

	control "cloud.google.com/go/storage/control/apiv2"
	"cloud.google.com/go/storage/control/apiv2/controlpb"
)

// deleteFolder deletes the folder with the given name.
func deleteFolder(w io.Writer, bucket, folder string) error {
	// bucket := "bucket-name"
	// folder := "folder-name"

	ctx := context.Background()
	client, err := control.NewStorageControlClient(ctx)
	if err != nil {
		return fmt.Errorf("NewStorageControlClient: %w", err)
	}
	defer client.Close()

	ctx, cancel := context.WithTimeout(ctx, time.Second*30)
	defer cancel()

	// Construct folder path including the bucket name.
	folderPath := fmt.Sprintf("projects/_/buckets/%v/folders/%v", bucket, folder)

	req := &controlpb.DeleteFolderRequest{
		Name: folderPath,
	}
	if err := client.DeleteFolder(ctx, req); err != nil {
		return fmt.Errorf("DeleteFolder(%q): %w", folderPath, err)
	}

	fmt.Fprintf(w, "deleted folder %q", folderPath)
	return nil
}

Java

詳細については、Cloud Storage Java API のリファレンスドキュメントをご覧ください。


import com.google.storage.control.v2.DeleteFolderRequest;
import com.google.storage.control.v2.FolderName;
import com.google.storage.control.v2.StorageControlClient;
import java.io.IOException;

public final class DeleteFolder {

  public static void deleteFolder(String bucketName, String folderName) throws IOException {
    // The name of the bucket
    // String bucketName = "your-unique-bucket-name";

    // The name of the folder within the bucket
    // String folderName = "your-unique-folder-name";

    try (StorageControlClient storageControl = StorageControlClient.create()) {

      // Set project to "_" to signify globally scoped bucket
      String folderResourceName = FolderName.format("_", bucketName, folderName);
      DeleteFolderRequest request =
          DeleteFolderRequest.newBuilder().setName(folderResourceName).build();

      storageControl.deleteFolder(request);

      System.out.printf("Deleted folder: %s%n", folderResourceName);
    }
  }
}

Node.js

詳細については、Cloud Storage Node.js API のリファレンスドキュメントをご覧ください。

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */

// The name of your GCS bucket
// const bucketName = 'bucketName';

// The name of the folder to be deleted
// const folderName = 'folderName';

// Imports the Control library
const {StorageControlClient} = require('@google-cloud/storage-control').v2;

// Instantiates a client
const controlClient = new StorageControlClient();

async function callDeleteFolder() {
  const folderPath = controlClient.folderPath('_', bucketName, folderName);

  // Create the request
  const request = {
    name: folderPath,
  };

  // Run request
  await controlClient.deleteFolder(request);
  console.log(`Deleted folder: ${folderName}.`);
}

callDeleteFolder();

PHP

詳細については、Cloud Storage PHP API のリファレンスドキュメントをご覧ください。

use Google\Cloud\Storage\Control\V2\Client\StorageControlClient;
use Google\Cloud\Storage\Control\V2\DeleteFolderRequest;

/**
 * Delete a folder in an existing bucket.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 * @param string $folderName The name of your folder inside the bucket.
 *        (e.g. 'my-folder')
 */
function delete_folder(string $bucketName, string $folderName): void
{
    $storageControlClient = new StorageControlClient();

    // Set project to "_" to signify global bucket
    $formattedName = $storageControlClient->folderName('_', $bucketName, $folderName);

    $request = new DeleteFolderRequest([
        'name' => $formattedName,
    ]);

    $storageControlClient->deleteFolder($request);

    printf('Deleted folder: %s', $folderName);
}

Python

詳細については、Cloud Storage Python API のリファレンスドキュメントをご覧ください。

from google.cloud import storage_control_v2


def delete_folder(bucket_name: str, folder_name: str) -> None:
    # The ID of your GCS bucket
    # bucket_name = "your-unique-bucket-name"

    # The name of the folder to be deleted
    # folder_name = "folder-name"

    storage_control_client = storage_control_v2.StorageControlClient()
    # The storage bucket path uses the global access pattern, in which the "_"
    # denotes this bucket exists in the global namespace.
    folder_path = storage_control_client.folder_path(
        project="_", bucket=bucket_name, folder=folder_name
    )

    request = storage_control_v2.DeleteFolderRequest(
        name=folder_path,
    )
    storage_control_client.delete_folder(request=request)

    print(f"Deleted folder {folder_name}")

Ruby

詳細については、Cloud Storage Ruby API のリファレンスドキュメントをご覧ください。

def delete_folder bucket_name:, folder_name:
  # The ID of your GCS bucket
  # bucket_name = "your-unique-bucket-name"
  #
  # Name of the folder you want to delete
  # folder_name = "name-of-the-folder"

  require "google/cloud/storage/control"

  storage_control = Google::Cloud::Storage::Control.storage_control

  # The storage folder path uses the global access pattern, in which the "_"
  # denotes this bucket exists in the global namespace.
  folder_path = storage_control.folder_path project: "_", bucket: bucket_name, folder: folder_name

  request = Google::Cloud::Storage::Control::V2::DeleteFolderRequest.new name: folder_path

  storage_control.delete_folder request

  puts "Deleted folder: #{folder_name}"
end

次のステップ

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