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% Intro to Jython at Rackspace % Jim Baker, Werner Mendizabal, Jorge Williams % {jim.baker|werner.mendizabal|jorge.williams}@rackspace.com

Overview

About Jim Baker

About Werner Mendizabal

About Jorge Williams

OpenStack

FIXME mention REST APIs

Keystone

Using Keystone

FIXME thinking some sort of schematic of how clients interact with Keystone FIXME thereby showing centrality of Keystone (befitting its name) FIXME sequence diagrams are probably best for thisx

Problem

Elegant solution

Jython background

  • Implementation of Python for the Java platform
  • Compiles to Java bytecode
  • From the beginning great Java integration via some cleverness
  • Small team of committers
  • Under on-and-off development since 1997
  • Extensively used

Demo

WAR construction

FIXME gradle

Deployment considerations

Jython for other OpenStack components?

Technical barriers

Risks

Interest in wider OpenStack community

(actually we really need to follow up on this!)

Overcoming them

FIXME stuff we would like to do

FIXME Clamp support of Java annotations to remove boilerplate

Run Keystone v3 using OpenStack Python Code

  • Target the following operations initially
  • AuthN including Password and 2 Factor (POST /v3/auth/token)
  • Token Validation (GET /v3/auth/token and HEAD /v3/auth/token)
  • Service discovery (GET /v3)
  • Target other operations if possible, but initial plan is to target core operations first

Questions

FIXME contact info