# File lib/ec2/right_ec2_instances.rb, line 87 def describe_instances(*instances) instances = instances.flatten link = generate_request("DescribeInstances", amazonize_list('InstanceId', instances)) request_cache_or_info(:describe_instances, link, QEc2DescribeInstancesParser, @@bench, instances.blank?) do |parser| get_desc_instances(parser.result) end rescue Exception on_exception end