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