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OMF Aggregate Manager API

Jolyon White GEC9, 4 th November 2010. OMF Aggregate Manager API. OMF Entities. OMF AM != GENI AM EC enrols resources in experiment + orchestrates experiment AM provides services to EC (and other admin entities). EC = Experiment Controller RC = Resource Controller. XMPP. RC. RC. RC.

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OMF Aggregate Manager API

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  1. Jolyon White GEC9, 4th November 2010 OMF Aggregate Manager API

  2. OMF Entities • OMF AM != GENI AM • EC enrols resources in experiment + orchestrates experiment • AM provides services to EC (and other admin entities) EC = Experiment Controller RC = Resource Controller XMPP RC RC RC RC EC AM

  3. OMF Aggregate Manager • “Grid Services”: • CMC (remote monitoring and control) • PXE, Frisbee, Saveimage for loading & saving OS images • Inventory  database describing testbed resources • Result service  visualization of OML databases • Plugin architecture (Ruby) • Multiple interfaces: • XMPP / PubSub • integrates with EC/RC comms fabric • Discovery trival – clients don’t need to know location of service provider • HTTP – simple GET method query interface (RPC)

  4. Example – Measurement Result Interface • http://10.0.0.200:5053/result/dumpDatabase?expID=monitor2 • http://10.0.0.200:5053/result/listTables?expID=monitor2 • http://10.0.0.200:5053/result/getSchema?expID=monitor2 • Results returned as XML document, CSV, JSON etc. • Can also specify a query in the request body • XML format, similar to an SQL SELECT statement • Allows powerful analysis • Used in conjunction with visualization service (web service)

  5. Visualization

  6. OML – loose coupling • Rendez-vous on a well-known database location • OML does not have a control interface • But it will need one in the near future

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