The SCI-BUS project made available an image of WS-PGRADE/gUSE in Amazon that can easily be used to start a gateway from the AWS Management Console ( Once started, you will receive a complete WS-PGRADE/gUSE gateway, configured to run the jobs of your workflows locally, within the virtual machine you have started up. Of course it is possible to configure access to other infrastructures as well.
The details on how to start the image can be found here:

       SCI-BUS is supported by the FP7 Capacities Programme under contract n°RI-283481