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Obsolete:EHO/Architecture

The new name of the Elastic Hadoop on OpenStack project is Savanna. This pages are obsolete and latest info is located at https://wiki.openstack.org/wiki/Savanna

Eho-architecture.png

The EHO architecture consists of several components:

  • Cluster Configuration Manager - all the business logic resides here
  • Auth component - responsible for client authentication & authorization
  • DAL - Data Access Layer, persists internal models in DB
  • VM Provisioning - component responsible for communication with Nova and Glance
  • Deployment Engine - pluggable mechanism responsible for deploying Hadoop on provisioned VMs; existing management solutions like Apache
  • Ambari and Cloudera Management Console could be utilized for that matter
  • REST API - exposes EHO functionality via REST
  • EHO Python Client - similar to other OpenStack components EHO has its own python client
  • EHO pages - GUI for the EHO is located on Horizon