Change Google Apps primary domain (Ruby google-api-client gem)

gistfile1.txt

require 'google/apis/admin_directory_v1'
require 'googleauth'
require 'googleauth/stores/file_token_store'

require 'fileutils'

OOB_URI = 'urn:ietf:wg:oauth:2.0:oob'
APPLICATION_NAME = 'Directory API Ruby Quickstart'
CLIENT_SECRETS_PATH = 'client_secret.json'
CREDENTIALS_PATH = File.join(Dir.home, '.credentials', "admin-directory_v1-ruby-quickstart.yaml")
SCOPE = Google::Apis::AdminDirectoryV1::AUTH_ADMIN_DIRECTORY_CUSTOMER

##
# Ensure valid credentials, either by restoring from the saved credentials
# files or intitiating an OAuth2 authorization. If authorization is required,
# the user's default browser will be launched to approve the request.
#
# @return [Google::Auth::UserRefreshCredentials] OAuth2 credentials
def authorize
  FileUtils.mkdir_p(File.dirname(CREDENTIALS_PATH))

  client_id = Google::Auth::ClientId.from_file(CLIENT_SECRETS_PATH)
  token_store = Google::Auth::Stores::FileTokenStore.new(file: CREDENTIALS_PATH)
  authorizer = Google::Auth::UserAuthorizer.new(client_id, SCOPE, token_store)
  user_id = 'default'
  credentials = authorizer.get_credentials(user_id)
  if credentials.nil?
    url = authorizer.get_authorization_url(base_url: OOB_URI)
    puts "Open the following URL in the browser and enter the " +
         "resulting code after authorization"
    puts url
    code = gets
    credentials = authorizer.get_and_store_credentials_from_code(user_id: user_id, code: code, base_url: OOB_URI)
  end
  credentials
end

# Initialize the API
service = Google::Apis::AdminDirectoryV1::DirectoryService.new
service.client_options.application_name = APPLICATION_NAME
service.authorization = authorize

customer = service.get_customer('my_customer')
puts "PUT https://www.googleapis.com/admin/directory/v1/customers/#{customer.id}"
puts "Authorization: Bearer #{authorize.access_token}"
puts '{"customerDomain":"newdomain.com"}'