@google-cloud/storage

What is @google-cloud/storage?

The @google-cloud/storage npm package is a client library for using Google Cloud Storage, which is a service for storing and accessing data on Google's infrastructure. The package allows Node.js developers to interact with Google Cloud Storage in a server-side application.

What are @google-cloud/storage's main functionalities?

Uploading files

This feature allows users to upload files to a Google Cloud Storage bucket. The code sample demonstrates how to upload a local file to a specified bucket.

const { Storage } = require('@google-cloud/storage');
const storage = new Storage();
async function uploadFile() {
  await storage.bucket('my-bucket').upload('local-file-path', {
    destination: 'destination-file-path',
  });
  console.log('File uploaded.');
}
uploadFile().catch(console.error);

Downloading files

This feature enables users to download files from a Google Cloud Storage bucket. The code sample shows how to download a file from a bucket to the local file system.

const { Storage } = require('@google-cloud/storage');
const storage = new Storage();
async function downloadFile() {
  const options = {
    destination: 'local-file-path',
  };
  await storage.bucket('my-bucket').file('remote-file-path').download(options);
  console.log('File downloaded.');
}
downloadFile().catch(console.error);

Listing files

This feature provides the ability to list all files in a Google Cloud Storage bucket. The code sample lists the names of all files in a specified bucket.

const { Storage } = require('@google-cloud/storage');
const storage = new Storage();
async function listFiles() {
  const [files] = await storage.bucket('my-bucket').getFiles();
  files.forEach(file => console.log(file.name));
}
listFiles().catch(console.error);

Deleting files

This feature allows users to delete files from a Google Cloud Storage bucket. The code sample demonstrates how to delete a specific file from a bucket.

const { Storage } = require('@google-cloud/storage');
const storage = new Storage();
async function deleteFile() {
  await storage.bucket('my-bucket').file('file-to-delete').delete();
  console.log('File deleted.');
}
deleteFile().catch(console.error);

Managing buckets

This feature enables users to manage buckets, including creating and deleting buckets. The code sample shows how to create a new bucket in Google Cloud Storage.

const { Storage } = require('@google-cloud/storage');
const storage = new Storage();
async function createBucket() {
  await storage.createBucket('new-bucket');
  console.log('Bucket created.');
}
createBucket().catch(console.error);

Other packages similar to @google-cloud/storage

aws-sdk

The aws-sdk package is a client library for Amazon Web Services (AWS), including Amazon S3, which is a similar object storage service to Google Cloud Storage. It provides a wide range of functionalities to interact with various AWS services.

azure-storage

The azure-storage package is a client library for Microsoft Azure Storage. Like Google Cloud Storage, Azure Storage offers blob storage for unstructured data, and this package allows Node.js developers to work with Azure blobs, files, queues, and tables.

pkgcloud

The pkgcloud package is a multi-cloud provisioning library for Node.js that abstracts away differences among multiple cloud providers. It supports various cloud services, including storage services like Amazon S3 and Rackspace Cloud Files, and can be used as an alternative to provider-specific packages like @google-cloud/storage.

README

Google Cloud Storage: Node.js Client

Node.js idiomatic client for Cloud Storage.

Cloud Storage allows world-wide storage and retrieval of any amount of data at any time. You can use Google Cloud Storage for a range of scenarios including serving website content, storing data for archival and disaster recovery, or distributing large data objects to users via direct download.

• Google Cloud Storage Node.js Client API Reference
• Google Cloud Storage Documentation
• github.com/googleapis/nodejs-storage

Read more about the client libraries for Cloud APIs, including the older Google APIs Client Libraries, in Client Libraries Explained.

Table of contents:

• Quickstart
  • Before you begin
  • Installing the client library
  • Using the client library
• Samples
• Versioning
• Contributing
• License

Quickstart

Before you begin

1. Select or create a Cloud Platform project.
2. Enable billing for your project.
3. Enable the Google Cloud Storage API.
4. Set up authentication with a service account so you can access the API from your local workstation.

Installing the client library

npm install @google-cloud/storage

Using the client library

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

// Creates a client
const storage = new Storage();
// Creates a client from a Google service account key.
// const storage = new Storage({keyFilename: "key.json"});

/**
 * TODO(developer): Uncomment these variables before running the sample.
 */
// const bucketName = 'bucket-name';

async function createBucket() {
  // Creates the new bucket
  await storage.createBucket(bucketName);
  console.log(`Bucket ${bucketName} created.`);
}

createBucket().catch(console.error);

Samples

Samples are in the samples/ directory. The samples' README.md has instructions for running the samples.

Sample	Source Code	Try it
Add Bucket Conditional Binding	source code
Add Bucket Default Owner Acl	source code
Add Bucket Iam Member	source code
Add Bucket Owner Acl	source code
Add File Owner Acl	source code
Storage Get Bucket Metadata.	source code
Copy File	source code
Create New Bucket	source code
Create Notification	source code
Delete Bucket	source code
Delete File	source code
Delete Notification	source code
Disable Bucket Lifecycle Management	source code
Disable Default Event Based Hold	source code
Disable Requester Pays	source code
Disable Uniform Bucket Level Access	source code
Download Encrypted File	source code
Download File	source code
Download File Using Requester Pays	source code
Enable Bucket Lifecycle Management	source code
Enable Default Event Based Hold	source code
Enable Default KMS Key	source code
Enable Requester Pays	source code
Enable Uniform Bucket Level Access	source code
Storage Set File Metadata.	source code
Generate Encryption Key	source code
Generate Signed Url	source code
Generate V4 Read Signed Url	source code
Generate V4 Signed Policy	source code
Generate V4 Upload Signed Url	source code
Get Default Event Based Hold	source code
Get Metadata	source code
Get Metadata Notifications	source code
Get Requester Pays Status	source code
Get Retention Policy	source code
Get Uniform Bucket Level Access	source code
Activate HMAC SA Key.	source code
Create HMAC SA Key.	source code
Deactivate HMAC SA Key.	source code
Delete HMAC SA Key.	source code
Get HMAC SA Key Metadata.	source code
List HMAC SA Keys Metadata.	source code
List Buckets	source code
List Files	source code
List Files By Prefix	source code
List Notifications	source code
Lock Retention Policy	source code
Make Public	source code
Move File	source code
Notifications	source code
Print Bucket Acl	source code
Print Bucket Acl For User	source code
Print File Acl	source code
Print File Acl For User	source code
Quickstart	source code
Release Event Based Hold	source code
Release Temporary Hold	source code
Remove Bucket Conditional Binding	source code
Remove Bucket Default Owner	source code
Remove Bucket Iam Member	source code
Remove Bucket Owner Acl	source code
Remove File Owner Acl	source code
Remove Retention Policy	source code
Rotate Encryption Key	source code
Set Event Based Hold	source code
Set Retention Policy	source code
Set Temporaryd Hold	source code
Upload a directory to a bucket.	source code
Upload Encrypted File	source code
Upload File	source code
Upload File With Kms Key	source code
View Bucket Iam Members	source code

The Google Cloud Storage Node.js Client API Reference documentation also contains samples.

Supported Node.js Versions

Our client libraries follow the Node.js release schedule. Libraries are compatible with all current active and maintenance versions of Node.js.

Client libraries targetting some end-of-life versions of Node.js are available, and can be installed via npm dist-tags. The dist-tags follow the naming convention legacy-(version).

Legacy Node.js versions are supported as a best effort:

• Legacy versions will not be tested in continuous integration.
• Some security patches may not be able to be backported.
• Dependencies will not be kept up-to-date, and features will not be backported.

Legacy tags available

• legacy-8: install client libraries from this dist-tag for versions compatible with Node.js 8.

Versioning

This library follows Semantic Versioning.

This library is considered to be General Availability (GA). This means it is stable; the code surface will not change in backwards-incompatible ways unless absolutely necessary (e.g. because of critical security issues) or with an extensive deprecation period. Issues and requests against GA libraries are addressed with the highest priority.

More Information: Google Cloud Platform Launch Stages

Contributing

Contributions welcome! See the Contributing Guide.

Please note that this README.md, the samples/README.md, and a variety of configuration files in this repository (including .nycrc and tsconfig.json) are generated from a central template. To edit one of these files, make an edit to its template in this directory.

License

Apache Version 2.0

See LICENSE

Changelog

5.1.1 (2020-06-19)

Bug Fixes

• deps: update dependency p-limit to v3 (#1210) (7da0379)
• update node issue template (#1220) (eaac92b)