# File lib/deltacloud/drivers/gogrid/gogrid_driver.rb, line 86
  def realms(credentials, opts=nil)
    realms = []
    client = new_client(credentials)
    safely do
        client.request('common/lookup/list', { 'lookup' => 'ip.datacenter' })['list'].collect do |realm|
         realms << convert_realm(realm)
      end
    end
    realms = filter_on(realms, :id, opts)
  end