module Fog module Compute class Ovirt class Real DISK_SIZE_TO_GB = 1073741824 def add_volume(id, options = {}) raise ArgumentError, "instance id is a required parameter" unless id options[:size]=options[:size_gb].to_i*DISK_SIZE_TO_GB if options[:size_gb] client.add_volume(id, options) end end class Mock def add_volume(id, options = {}) raise ArgumentError, "instance id is a required parameter" unless id true end end end end end