List bucket labels

Retrieve the labels for a Cloud Storage bucket.

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) {
  StatusOr<gcs::BucketMetadata> bucket_metadata =
      client.GetBucketMetadata(bucket_name, gcs::Fields("labels"));
  if (!bucket_metadata) throw std::move(bucket_metadata).status();

  if (bucket_metadata->labels().empty()) {
    std::cout << "The bucket " << bucket_name << " has no labels set.\n";
    return;
  }

  std::cout << "The labels for bucket " << bucket_name << " are:";
  for (auto const& kv : bucket_metadata->labels()) {
    std::cout << "\n  " << kv.first << ": " << kv.second;
  }
  std::cout << "\n";
}

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;

/**
 * Prints a list of a bucket's lables.
 *
 * @param string $bucketName The name of your Cloud Storage bucket.
 *        (e.g. 'my-bucket')
 */
function get_bucket_labels(string $bucketName): void
{
    $storage = new StorageClient();
    $bucket = $storage->bucket($bucketName);
    $info = $bucket->info();
    if (isset($info['labels'])) {
        foreach ($info['labels'] as $labelKey => $labelValue) {
            printf('%s: %s' . PHP_EOL, $labelKey, $labelValue);
        }
    }
}

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. 

import pprint

from google.cloud import storage


def get_bucket_labels(bucket_name):
    """Prints out a bucket's labels."""
    # bucket_name = 'your-bucket-name'
    storage_client = storage.Client()

    bucket = storage_client.get_bucket(bucket_name)

    labels = bucket.labels
    pprint.pprint(labels)

What's next

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