def containers
      if @containers.nil? && !info[:containers].nil?
        @containers = []
        info[:containers].each do |uri|
          @containers.push(client.containers.get_from_uri(uri))
        end
      end
      @containers
    end
def containers
      if @containers.nil? && !info[:containers].nil?
        @containers = []
        info[:containers].each do |uri|
          @containers.push(client.containers.get_from_uri(uri))
        end
      end
      @containers
    end
def containers; info[:containers]; end