# File lib/deltacloud/drivers/gogrid/gogrid_driver.rb, line 319
  def valid_credentials?(credentials)
    client = new_client(credentials)
    # FIXME: We need to do this call to determine if
    #        GoGrid is working with given credentials. There is no
    #        other way to check, if given credentials are valid or not.
    return false unless new_client(credentials).request('common/lookup/list', { 'lookup' => 'ip.datacenter' })
    true
  end