JUDCon Brazil -- Building Spring JPA Applications on OpenShift

JUDCon Brazil -- Building Spring JPA Applications on OpenShift

Transcript

1. OPENSHIFT Workshop PRESENTED BY Shekhar Gulati
2. AGENDA Introductions Installation Demo Overview
3. WHO AM I? • Shekhar Gulati • OpenShift Developer Evangelist • Java / NoSQL/ Cloud • Twitter Handle : shekhargulati • Github https://github.com/shekhargulati • Slides https://speakerdeck.com/shekhargulati
4. WHO ARE YOU?
5. WHAT WILL YOU LEARN? • What is PaaS • What is OpenShift • Spring JPA Support • How to use OpenShift for deployment
6. ASSUMPTIONS • You want to learn how to use OpenShift • You can write or read Java • You have your own laptop • You will ask questions
7. There are no stupid questions only stupid answers. So ask questions ASK QUESTIONS
8. OpenShift CLOUD OVERVIEW
9. Cloud Computing http://www.katescomment.com/definition-of-cloud-computing-nist-g-cloud/
10. “How do I use this?” Servers in the Cloud You must build and manage everything (OS, App Servers, DB, App, etc.) IaaS
11. “I’m not sure this does what I need.” You are restricted to the features of the 3rd Party application Someone else’s app in the Cloud (CRM, etc.) SaaS
12. • Quickly build the Application that YOU need for • Your Group, your Enterprise, your next great idea! • Big data, mobile, social • You code the application, We run it for you • Leverage the ease, scale and power of the Cloud Code Deploy Enjoy PaaS
13. 13 Cloud Service Models STORAGE (RHS) HARDWARE (x86, Power, S/390) VIRTUALIZATION (RHEV) OPERATING SYSTEM (RHEL) APPLICATION PLATFORM (JBOSS, PHP, RUBY, ETC) APPLICATION Automated and Managed by the Public or Private Cloud Offering Managed and Controlled by Customer (IT, Dev, or User) IaaS PaaS SaaS Increased Control Increased Automation
14. OpenShift OPENSHIFT OVERVIEW
15. 15 OpenShift is PaaS by Red Hat Multi-language, Auto-Scaling, Self-service, Elastic, Cloud Application Platform
16. origin Public Cloud Service On- premise or Private Cloud Software Open Source Project FLAVORS OF OPENSHIFT
17. 17 WHAT's IN THE BOX
18. Developer IDE Integrations Web Browser Console Command Line Tooling REST APIs INTERACTIONS
19. 19 Let's get our hands dirty
20. 20 https://openshift.redhat.com/app/account/new Promo code is JUDCONBR13WK CREATING OPENSHIFT ACCOUNT
21. 21  OpenShift is free-as-in-beer & free-as-in-freedom  You get three free gears, each with 512MB memory and 1GB of disk space.  Need more resources, just ask!  The catch is we are in developer preview right now WHAT I GET
22. 22 ➢ Login to OpenShift web console ➢ Click on “My Account” ➢ Namespace – judconbr13 – Unique per user CREATING NAMESPACE
23. 23 DEMO : WORDPRESS IN CLOUD
24. 24 Install Ruby 1.8.7 or greater Install Git Install rhc OpenShift gem Refer to https://www.openshift.com/developers/rhc-client-tools-install INSTALLING CLIENT TOOLS
25. 25 rhc setup -l <openshift_login> -> creates namespace -> upload ssh keys SETUP OPENSHIFT ENVIRONMENT
26. 26 Let's see it in action
27. 27  PostgreSQL  OpenShift  Java 7 – Spring Framework – Spring Data JPA  GIT  SSH TECHNOLOGY CHOICES
28. 28 rhc app create forumapp tomcat-7 postgresql-8.4 STEP 0 CREATE APPLICATION http://forumapp-t20.rhcloud.com/
29. 29 ➢ Git repository ➢ Maven based project ➢ OpenShift profile in pom.xml ➢ The src folder – source code deployment ➢ The webapps folder – binary deployment ➢ The .openshift folder ➢ action_hooks – scripts to hook into application lifecycle ➢ config – overriding tomcat 7 configuration ➢ cron – run scripts or jobs on periodic basics ➢ markers – set of files for enabling and disabling features LOOK AT STEP 0
30. 30 $ git rm -rf src pom.xml $ git commit -am “deleted template project” $ git remote add upstream -m master https://github.com/shekhargulati/forumapp.git $ git pull -s recursive -X theirs upstream master $ git checkout 3e8b88198bd981c27db562b8fd970beb05373f2b STEP 1 BASIC SETUP
31. 31 $ git checkout 0771fd2445b06103895d1b10dfce5f35eb7f58ca STEP 2 APP CONFIG BOOTSTRAP
32. 32 $ git checkout a8848ac0a0afcd6b4bb3a3cfa5a438d93487007c STEP 3 ENABLE JPA REPOSITORY
33. 33 $ git checkout f9baeb9ef4049d7d6e4a74572716c9a0d586c501 STEP 4 DECLARATIVE QUERY
34. 34 $ git checkout fb4912ff379138bc099a67c97ee50e32950169f2 STEP 5 ENABLE SPRING MVC
35. 35 $ git checkout e8633490ef42068cb89184e07b74cfab72d46253 STEP 6 APP UI
36. 36 $ git checkout e574b21844feded9b8838319c937f8b7c78b7ff5 STEP 7 ENABLE OPENSHIFT PROFILE
37. 37 $ git checkout master $ git push GIT PUSH
38. QUESTIONS?
39. DONE!