# File lib/ec2/right_ec2_ebs.rb, line 239
    def describe_snapshot_attribute(snapshot_id, attribute='createVolumePermission')
      link = generate_request("DescribeSnapshotAttribute",
                              'SnapshotId'=> snapshot_id,
                              'Attribute' => attribute)
      request_info(link, QEc2DescribeSnapshotAttributeParser.new(:logger => @logger))
    rescue Exception
      on_exception
    end