Run your Java apps on Cloud Foundry
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This document discusses Cloud Foundry, an open platform as a service (PaaS). It begins with introductions of the author Andy Piper and his role as a Cloud Foundry developer advocate. It then discusses why an open cloud platform is important, defining Cloud Foundry and its key characteristics like being open source and deployable on various clouds. It covers Java support on Cloud Foundry including buildpacks and how various Java applications and frameworks are detected and run. It emphasizes the flexibility and portability Cloud Foundry provides for Java applications.
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Run your Java apps on Cloud Foundry
- 1. Andy Piper | @andypiper | [email protected] Cloud Foundry Developer Advocate, Pivotal Run Your Java Apps on Cloud Foundry
- 3. Developer Advocate @ Cloud Foundry social web enthusiast maker, educator, LEGO fan OSS contributor Eclipse Project Lead (Paho / MQTT) excited by “what’s next”, Internet of Things, etc. ! ! @andypiper [email protected] a few things about me
- 4. Developer Advocate? hellz to the yeah!
- 7. 1. Why is an Open Cloud Platform important? 2. What is Cloud Foundry? 3. Java support in the open cloud
- 8. Why is an Open Cloud Platform important?
- 9. From: [email protected] Newsgroups: comp.os.minix Date: 25 Aug 91 20:57:08 GMT Organization: University of Helsinki 1991 An important year in software Hello everybody out there using minix ! I’m doing a (free) operating system (just a hobby, won’t be big and professional like gnu) for 386(486) AT clones.
- 10. ~21 years later: Linux has won
- 11. #P0WN ALL TEH GADGETZ ! Linux runs everywhere (even old versions, on crashy airline entertainment systems...)
- 12. It works.
- 13. Don’t be locked-in do you know what is coming tomorrow?
- 14. What is Cloud Foundry?
- 15. Software Gmail, Salesforce, Flickr, Google Docs... Platform Google AppEngine, Heroku, Cloud Foundry, EngineYard, Apprenda... Infrastructure 3 layers Amazon EC2, Google CE, OpenStack, vSphere, Joyent, Cloud Stack, Eucalyptus... IaaS, PaaS, SaaS
- 16. Cloud Foundry - the Open PaaS Public& Clouds Private& Clouds CUSTOM RUNTIMES Micro& Clouds CUSTOM SERVICES Open Source
- 17. “… we believe that the best solution should be available on top of any cloud and not just be locked into EC2” ! - Mike Soby in JAX Magazine Special Edition
- 18. All the pieces to make your own! “if you can’t open it, you don’t own it” (O’Reilly MAKE)
- 19. Open & public from the start Code all on Github
- 20. Why is it so hard...? A real deployment flow (!)
- 21. DEVELOPER OPERATOR cf#iaas.yml+ target+<my+cloud>+ provision+<my+cloud>+ push+<my+app>+ add_capacity+<my+cloud> create+<my+services>+ bind+<my+services>+ scale+<my+app>++100 Cloud Deployment: 2-4 hours An alternative approach... App Deployment: 30-90 seconds Cloud Foundry can make it simpler!
- 23. Java (and JVM language) support in Cloud Foundry
- 24. From VM-centric to Application Centric App App App App Dev Framework Dev Framework Dev Framework Configurations Configurations Manifests, Automations JVM JVM App Server App Server VM VM Infrastructure One Infrastructure Two Container 1 JVM Container 2 JVM App Server App Server Infrastructure One Infrastructure Two
- 25. Buildpacks Buildpacks are responsible for preparing the machine image for an application Application Buildpack Container Libraries DEA Runtime Operating System } Droplet
- 26. Compatibility Cloud Foundry buildpacks follow the Heroku buildpack design Cloud Foundry and Heroku buildpacks are compatible (if you take care to make them compatible) ! Other PaaS providers are adopting the buildpack design - emerging convention
- 29. Java Buildpack Supports a variety of JVM languages, containers, and frameworks with a modular, configurable, and extensible design
- 30. “The primary objective of the Java buildpack is to be the easiest way to run a Java application. The word easiest can mean a lot of things, but to me it means that a developer can push an application and have an “it just works™” experience.” ! - Ben Hale, Java buildpack engineer http://blog.cloudfoundry.com/2013/09/06/introducing-the-cloud-foundry-java-buildpack/
- 31. Java Buildpack Concepts Containers Frameworks Java main() Spring config Play config Play JPA config New Relic Tomcat Groovy Spring Boot CLI Play JREs OpenJDK, etc.
- 32. Container Detection Criteria Java main() META-INF/MANIFEST.MF exists with Main-class attribute set Tomcat WEB-INF directory exists Groovy .groovy file with a main() method, or! .groovy file with no classes, or! .groovy file with a shebang (#!) declaration Spring Boot CLI one or more POGO .groovy files with no main() method, and no WEB-INF directory Play start and lib/play.play_*.jar exist Choose zero or one
- 33. Framework Detection Criteria Spring spring-core*.jar exists Play config Play application detected Play JPA config play-java-jpa plugin exists in app New Relic New Relic service bound to app Choose all that apply
- 34. Customization Two ways to customize the Java buildpack Configure artifacts used by standard JREs, Containers, and Frameworks Extend the buildpack with your own JREs, Containers, and Frameworks Customization is done by forking the buildpack →
- 35. Choice! • IBM donated WebSphere Liberty Buildpack http://blog.cloudfoundry.com/2013/09/09/ibm-websphereliberty-buildpack-contributed-to-cloud-foundry/ • Other forks add additional containers and frameworks Jonas, Dropwizard, Karaf, etc
- 36. Tooling support $ mvn clean package cf:push! $ gradle clean assemble cf-push http://blog.cloudfoundry.com/2013/10/29/java-tooling/
- 38. XD BOOT Stream, Taps, Jobs GRAILS Bootable, Minimal, Ops-Ready Full-stack, Web INTEGRATION BATCH BIG DATA WEB Channels, Adapters, Filters, Transformers Jobs, Steps, Readers, Writers Ingestion, Export, Orchestration, Hadoop Controllers, REST, WebSocket DATA RELATIONAL NON-RELATIONAL CORE FRAMEWORK SECURITY GROOVY REACTOR
- 39. Groovy and Spring Boot
- 40. Groovy and Spring Boot
- 41. Groovy and Spring Boot
- 42. Spring and the Cloud • Goal: deploy Spring apps to the cloud without changing a single line of code • Cloud Foundry automatically re-configures bean definitions to bind to cloud services • Works with Spring and Grails
- 43. Portability
- 44. SPRING Demo
- 45. … and finally …
- 47. Join us! ... a pull request is all it takes!
- 49. Credits • Padlock http://www.flickr.com/photos/bpc009/3328427457/ • Other images are author’s own, or royalty-free and CC-licensed works from Wikimedia Commons • Thanks to Scott Frederick, Josh Long and Guillaume Laforge for content