ArchitectureΒΆ

_images/sahara-architecture.png

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 - Elastic Data Processing (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

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