FirecREST: RESTful API on Cray XC systems

As science gateways are becoming an increasingly popular digital interface for scientific communities, it is also becoming increasingly important for High-Performance Computing centers to provide a modern Web-enabled APIs. With such interface, science gateways can easily integrate access to HPC center resources. This work presents the FirecREST API, a RESTful Web API infrastructure that allows scientific communities to access the various integrated resources and services available from the Cray XC systems at the Swiss National Supercomputing Centre. FirecREST requirements are derived from use cases described in this work.