# File lib/fog/compute/ecloud/requests/get_operating_system.rb, line 9
        def get_operating_system(uri)
          os_name, compute_pool_id = uri.match(/operatingsystems\/(.*)\/computepools\/(\d+)$/).captures
          compute_pool_id          = compute_pool_id.to_i

          operating_systems = data[:operating_systems].values.select { |os| os[:compute_pool_id] == compute_pool_id }
          operating_system = operating_systems.detect { |os| os[:short_name] == os_name }

          if operating_system
            response(:body => Fog::Ecloud.slice(operating_system, :id, :compute_pool_id, :short_name))
          else
            body = "<Error message=\"Resource Not Found\" majorErrorCode=\"404\" minorErrorCode=\"ResourceNotFound\" />"
            response(:body => body, :expects => 200, :status => 404)
          end
        end