Uploading objects

This page describes options for uploading objects to your Cloud Storage bucket. An uploaded object consists of the data you want to store along with any associated metadata. For an overview of objects, read the Key Terms and see the Object naming requirements.

Console

  1. Open the Cloud Storage browser in the Google Cloud Platform Console.
    Open the Cloud Storage browser

  2. In the list of buckets, click on the name of the bucket that you want to upload an object to.

  3. In the Objects tab for the bucket, either:

    • Drag and drop the desired files from your desktop or file manager to the main pane in the GCP Console.

    • Click the Upload Files button, select the files you want to upload in the dialog that appears, and click Open.

gsutil

Use the gsutil cp command:

gsutil cp [OBJECT_LOCATION] gs://[DESTINATION_BUCKET_NAME]/

Where:

  • [OBJECT_LOCATION] is the local path to your object. For example, Desktop/dog.png.

  • [DESTINATION_BUCKET_NAME] is the name of the bucket to which you are uploading your object. For example, my-bucket.

If successful, the response looks like the following example:

Operation completed over 1 objects/58.8 KiB.

Code samples

C++

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

namespace gcs = google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client, std::string file_name, std::string bucket_name,
   std::string object_name) {
  // Note that the client library automatically computes a hash on the
  // client-side to verify data integrity during transmission.
  StatusOr<gcs::ObjectMetadata> object_metadata = client.UploadFile(
      file_name, bucket_name, object_name, gcs::IfGenerationMatch(0));

  if (!object_metadata) {
    throw std::runtime_error(object_metadata.status().message());
  }

  std::cout << "Uploaded " << file_name << " to object "
            << object_metadata->name() << " in bucket "
            << object_metadata->bucket()
            << "\nFull metadata: " << *object_metadata << "\n";
}

C#

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

private void UploadFile(string bucketName, string localPath,
    string objectName = null)
{
    var storage = StorageClient.Create();
    using (var f = File.OpenRead(localPath))
    {
        objectName = objectName ?? Path.GetFileName(localPath);
        storage.UploadObject(bucketName, objectName, null, f);
        Console.WriteLine($"Uploaded {objectName}.");
    }
}

Go

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

f, err := os.Open("notes.txt")
if err != nil {
	return err
}
defer f.Close()

wc := client.Bucket(bucket).Object(object).NewWriter(ctx)
if _, err = io.Copy(wc, f); err != nil {
	return err
}
if err := wc.Close(); err != nil {
	return err
}

Java

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

Storage storage = StorageOptions.getDefaultInstance().getService();
BlobId blobId = BlobId.of("bucket", "blob_name");
BlobInfo blobInfo = BlobInfo.newBuilder(blobId).setContentType("text/plain").build();
Blob blob = storage.create(blobInfo, "Hello, Cloud Storage!".getBytes(UTF_8));

Node.js

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

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

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

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// const bucketName = 'Name of a bucket, e.g. my-bucket';
// const filename = 'Local file to upload, e.g. ./local/path/to/file.txt';

// Uploads a local file to the bucket
await storage.bucket(bucketName).upload(filename, {
  // Support for HTTP requests made with `Accept-Encoding: gzip`
  gzip: true,
  // By setting the option `destination`, you can change the name of the
  // object you are uploading to a bucket.
  metadata: {
    // Enable long-lived HTTP caching headers
    // Use only if the contents of the file will never change
    // (If the contents will change, use cacheControl: 'no-cache')
    cacheControl: 'public, max-age=31536000',
  },
});

console.log(`${filename} uploaded to ${bucketName}.`);

PHP

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

use Google\Cloud\Storage\StorageClient;

/**
 * Upload a file.
 *
 * @param string $bucketName the name of your Google Cloud bucket.
 * @param string $objectName the name of the object.
 * @param string $source the path to the file to upload.
 *
 * @return Psr\Http\Message\StreamInterface
 */
function upload_object($bucketName, $objectName, $source)
{
    $storage = new StorageClient();
    $file = fopen($source, 'r');
    $bucket = $storage->bucket($bucketName);
    $object = $bucket->upload($file, [
        'name' => $objectName
    ]);
    printf('Uploaded %s to gs://%s/%s' . PHP_EOL, basename($source), $bucketName, $objectName);
}

Python

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

Use the Blob.upload_from_file(), Blob.upload_from_filename(), or Blob.upload_from_string() method to upload an object. 
def upload_blob(bucket_name, source_file_name, destination_blob_name):
    """Uploads a file to the bucket."""
    storage_client = storage.Client()
    bucket = storage_client.get_bucket(bucket_name)
    blob = bucket.blob(destination_blob_name)

    blob.upload_from_filename(source_file_name)

    print('File {} uploaded to {}.'.format(
        source_file_name,
        destination_blob_name))

Ruby

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

# project_id        = "Your Google Cloud project ID"
# bucket_name       = "Your Google Cloud Storage bucket name"
# local_file_path   = "Path to local file to upload"
# storage_file_path = "Path to store the file in Google Cloud Storage"

require "google/cloud/storage"

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

file = bucket.create_file local_file_path, storage_file_path

puts "Uploaded #{file.name}"

REST APIs

JSON API

  1. Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials.

  2. Use cURL to call the JSON API with a POST Object request:

    curl -X POST --data-binary @[OBJECT_LOCATION] \
-H "Authorization: Bearer [OAUTH2_TOKEN]" \
-H "Content-Type: [OBJECT_CONTENT_TYPE]" \
"https://www.googleapis.com/upload/storage/v1/b/[BUCKET_NAME]/o?uploadType=media&name=[OBJECT_NAME]"

    Where:

    • [OBJECT_LOCATION] is the local path to your object. For example, Desktop/dog.png.
    • [OAUTH2_TOKEN] is the access token you generated in Step 1.
    • [OBJECT_CONTENT_TYPE] is the content type of the object. For example, image/png.
    • [BUCKET_NAME] is the name of the bucket to which you are uploading your object. For example, my-bucket.
    • [OBJECT_NAME] is the name you want to give your object. For example, pets/dog.png.

XML API

  1. Get an authorization access token from the OAuth 2.0 Playground. Configure the playground to use your own OAuth credentials.

  2. Use cURL to call the XML API with a PUT Object request:

    curl -X PUT --data-binary @[OBJECT_LOCATION] \
-H "Authorization: Bearer [OAUTH2_TOKEN]" \
-H "Content-Type: [OBJECT_CONTENT_TYPE]" \
"https://storage.googleapis.com/[BUCKET_NAME]/[OBJECT_NAME]"

    Where:

    • [OBJECT_LOCATION] is the local path to your object. For example, Desktop/dog.png.
    • [OAUTH2_TOKEN] is the access token you generated in Step 1.
    • [OBJECT_CONTENT_TYPE] is the content type of the object. For example, image/png.
    • [BUCKET_NAME] is the name of the bucket to which you are uploading your object. For example, my-bucket.
    • [OBJECT_NAME] is the name you want to give your object. For example, pets/dog.png.

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