# File lib/fog/aws/requests/elasticache/create_cache_cluster.rb, line 27
        def create_cache_cluster(id, options = {})
          # Construct Cache Security Group parameters in the format:
          #   CacheSecurityGroupNames.member.N => "security_group_name"
          group_names = options[:security_group_names] || ['default']
          sec_group_params = group_names.inject({}) do |group_hash, name|
            index = group_names.index(name) + 1
            group_hash["CacheSecurityGroupNames.member.#{index}"] = name
            group_hash
          end
          # Merge the Cache Security Group parameters with the normal options
          request(sec_group_params.merge(
            'Action'          => 'CreateCacheCluster',
            'CacheClusterId'  => id.strip,
            'CacheNodeType'   => options[:node_type]  || 'cache.m1.large',
            'Engine'          => options[:engine]     || 'memcached',
            'NumCacheNodes'   => options[:num_nodes]  || 1,
            'AutoMinorVersionUpgrade'     => options[:auto_minor_version_upgrade],
            'CacheParameterGroupName'     => options[:parameter_group_name],
            'EngineVersion'               => options[:engine_version],
            'NotificationTopicArn'        => (options[:notification_topic_arn]).strip,
            'Port'                        => options[:port],
            'PreferredAvailabilityZone'   => options[:preferred_availablility_zone],
            'PreferredMaintenanceWindow'  => options[:preferred_maintenance_window],
            :parser => Fog::Parsers::AWS::Elasticache::SingleCacheCluster.new
          ))
        end