1. Lightning Talks
Beyond JEE: Introducing Groovy
based DSL for scaling and managing
your app on any cloud
Nati Shalom
@natishalom
Natishalom.typepad.com

2. The Good Old Application Package

3. Good as long as..
Everything is based on Java
Every API had a standard behind it
Static servers deployment

4. Things have changed
• The world is heterogeneous
• Cloud - The new data center
• Tons of OSS projects
• New leaders:
Google, Amazon, Twitter..
• Speed of change ->
continues delivery

5. The Open API Explosion

6. The new Application Stack
Distributed
Dependencies
Java, Node.js, Ruby, NoSQL

7. We need a new way to describe and
deploy those apps..

8. APPLICATION DESCRIPTION THROUGH RECIPES
Recipe DSL
Lifecycle scripts
Availability & Monitoring
Probes
Custom plug-ins(optional)
application {
service {
name="simple app"
lifecycle{
name "jboss-service"
compute{ {
init "mysql_install.groovy”
service
icon "jboss.jpg"
template
start "APP_SERVER“
type "mysql_start.groovy”
name = "mysql-service”}
“BIG_LINUX_32”
service {
stop "mysql_stop.groovy"
numInstances 2
}} name = "jboss-service"
[recipe body]
dependsOn = [“mysql-service”}
}}
..
8

9. DEPLOYING RECIPES

10. REFERENCES
• CloudifySource – OSS project
https://github.com/CloudifySource/cloudify
• DSL In Action – Writing DSL in Groovy