OpenStack at Cersat

Current State

OpenStack platform is no more used nor maintained at Cersat. We consider this solution really heavy considering our simple needs, and other more simpler solutions were more appropriate in our case.

We switched in 20xx to a homemade solution based on the well known "chroot" command. In a ...

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Cloud Infrastructure and Platform as-a-service (IAAS / PAAS) at Cersat

Why using IAAS / PAAS at Cersat ?

Infrastructure and Platform as a Service (IAAS, PAAS) are useful feature for a satellite data center like the Cersat : providing a multi-OS environment following projects requirements allows a lot of flexibility compared to constraining projects to use existing environments or deploy specific hardware environments ...

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Software architecture

Overview

The platform software architecture relies on several layers, each containing one or more components :

  • Distributed Processing : Torque/Maui, Hadoop Map/Reduce, Celery, Gearman
  • Virtual Environments / Containers : Chroot, Docker, Eucalyptus/OpenStack
  • Distributed Filesystem : MooseFS, Hadoop HDFS
  • Bare Metal / OS : Ubuntu 12.04 LTS
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