Get a service account

Get a Cloud Storage service account using projects.GetServiceAccount (). This is used by Pub/Sub notifications and CMEK KMS keys.

Explore further

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 client libraries.

namespace gcs = ::google::cloud::storage;
using ::google::cloud::StatusOr;
[](gcs::Client client) {
  StatusOr<gcs::ServiceAccount> account = client.GetServiceAccount();
  if (!account) throw std::move(account).status();

  std::cout << "The service account details are " << *account << "\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 client libraries.


using Google.Cloud.Storage.V1;
using System;

public class GetStorageServiceAccountSample
{
	public string GetStorageServiceAccount(string projectId = "your-project-id")
	{
		var storage = StorageClient.Create();

		var serviceAccountEmail = storage.GetStorageServiceAccountEmail(projectId);

		Console.WriteLine($"The GCS service account for project {projectId} is: {serviceAccountEmail}.");
		return serviceAccountEmail;
	}
}

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 client libraries.

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

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

// getServiceAccount gets the default Cloud Storage service account email address.
func getServiceAccount(w io.Writer, projectID string) error {
	// projectID := "my-project-id"

	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()

	serviceAccount, err := client.ServiceAccount(ctx, projectID)
	if err != nil {
		return fmt.Errorf("ServiceAccount: %w", err)
	}

	fmt.Fprintf(w, "The GCS service account for project %v is: %v\n", projectID, serviceAccount)
	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 client libraries.

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

public class GetServiceAccount {
  public static void getServiceAccount(String projectId) {
    // The ID of your GCP project
    // String projectId = "your-project-id";

    Storage storage = StorageOptions.newBuilder().setProjectId(projectId).build().getService();
    ServiceAccount serviceAccount = storage.getServiceAccount(projectId);
    System.out.println(
        "The GCS service account for project " + projectId + " is: " + serviceAccount.getEmail());
  }
}

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 client libraries.

/**
 * TODO(developer): Uncomment the following lines before running the sample.
 */
// The ID of your GCP project
// const projectId = 'your-project-id';

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

// Creates a client
const storage = new Storage({
  projectId,
});

async function getServiceAccount() {
  const [serviceAccount] = await storage.getServiceAccount();
  console.log(
    `The GCS service account for project ${projectId} is: ${serviceAccount.emailAddress}`
  );
}

getServiceAccount().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 client libraries.

use Google\Cloud\Storage\StorageClient;

/**
 * Get the current service account email.
 *
 * @param string $projectId The ID of your Google Cloud Platform project.
 *        (e.g. 'my-project-id')
 */
function get_service_account(string $projectId): void
{
    $storage = new StorageClient([
        'projectId' => $projectId,
    ]);

    $serviceAccountEmail = $storage->getServiceAccount();

    printf('The GCS service account email for project %s is %s', $projectId, $serviceAccountEmail);
}

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.

from google.cloud import storage


def get_service_account():
    """Get the service account email"""
    storage_client = storage.Client()

    email = storage_client.get_service_account_email()
    print(
        f"The GCS service account for project {storage_client.project} is: {email} "
    )

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 client libraries.

def get_service_account
  require "google/cloud/storage"

  storage = Google::Cloud::Storage.new
  email = storage.service_account_email

  puts "The GCS service account for project #{storage.project_id} is: #{email}"
end

What's next

To search and filter code samples for other Google Cloud products, see the Google Cloud sample browser.