module Fog module CDN def self.[](provider) self.new(:provider => provider) end def self.new(attributes) attributes = attributes.dup # prevent delete from having side effects case provider = attributes[:provider].to_s.downcase.to_sym when :aws require 'fog/cdn/aws' Fog::CDN::AWS.new(attributes) when :rackspace require 'fog/cdn/rackspace' Fog::CDN::Rackspace.new(attributes) else raise ArgumentError.new("#{provider} is not a recognized cdn provider") end end end end