Beyond JEE: Introducing Groovy based DSL for scaling and managing

your app on any cloudNati Shalom@natishalomNatishalom.typepad.com

The Good Old Application Package

Good as long as..

Everything is based on JavaEvery API had a standard behind itStatic servers deployment

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

The Open API Explosion

The new Application Stack

Distributed Dependencies

Distributed Dependencies

Java, Node.js, Ruby, NoSQLJava, Node.js, Ruby, NoSQL

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

application { name="simple app"

service { name = "mysql-service”} service { name = "jboss-service" dependsOn = [“mysql-service”}}

APPLICATION DESCRIPTION THROUGH RECIPES

8

Recipe DSLLifecycle scriptsAvailability & Monitoring

ProbesCustom plug-ins(optional)

service {name "jboss-service"icon "jboss.jpg"type "APP_SERVER“numInstances 2[recipe body]

}

lifecycle{ init "mysql_install.groovy” start "mysql_start.groovy” stop "mysql_stop.groovy"}

..

compute{          template “BIG_LINUX_32”}

Deploying Recipes

References

• CloudifySource – OSS project

• DSL In Action – Writing DSL in Groovy

https://github.com/CloudifySource/cloudify