# File lib/fog/ibm/requests/compute/create_image.rb, line 40
        def create_image(instance_id, name, description)
          response = Excon::Response.new
          if instance_exists? instance_id
            image = Fog::IBM::Mock.private_image(name, description)
            self.data[:images][image["id"]] = image
            response.status = 200
            response.body = image
          else
            response.status = 404
          end
          response
        end