deb-sahara/doc/source/architecture.rst
Alexander Ignatov e681d1167c Updated architecture diagram in docs
* Sahara component now is colored like others integrated components
* Removed Cluster Configuration Manager as unrelated part of Sahara
* Added more services which Sahara can connect to (Heat, Cinder)
* Replaced Deployment Engine with Vendor Plugins
* Added EDP block
* Updated appropriate bullet points

Change-Id: I77a3a3fd92a0dc7ffa1eeb24a3cdeddd4c6c6798
2014-04-22 21:03:56 +04:00

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Architecture
============
.. image:: images/sahara-architecture.png
:width: 800 px
:scale: 99 %
:align: left
The Sahara architecture consists of several components:
* Auth component - responsible for client authentication & authorization, communicates with Keystone
* DAL - Data Access Layer, persists internal models in DB
* Provisioning Engine - component responsible for communication with Nova, Heat, Cinder and Glance
* Vendor Plugins - pluggable mechanism responsible for configuring and launching Hadoop on provisioned VMs;
existing management solutions like Apache Ambari and Cloudera Management Console could be utilized for that matter
* EDP - :doc:`../userdoc/edp` responsible for scheduling and managing Hadoop jobs on clusters provisioned by Sahara
* REST API - exposes Sahara functionality via REST
* Python Sahara Client - similar to other OpenStack components Sahara has its own python client
* Sahara pages - GUI for the Sahara is located on Horizon