My first training session about Cloud Foundry

1. Play with Cloud Foundry
An Open PaaS
Wan, Peng
May 11, 2012

2. Agenda
• Overview
• Development Guide
• Deployment Guide
• Resource
• Q&A

3. Cloud Foundry Overview
• What’s Cloud Foundry?
• Languages/Frameworks
• Inner Service
• Logic View
• Architecture
• Disadvantages

4. Cloud Computing System
Type Vendor
SaaS
PaaS
IaaS

5. What’s Cloud Foundry?
An open platform-as-a-service (PaaS). The system supports
multiple frameworks, multiple application infrastructure
services and deployment to multiple clouds.

6. Languages/Frameworks/Service
 Multi-Language
Ruby, Java, Scala, Node.js, Erlang, Python, PHP..
 Multi-Framework
Rails, Sinatra, Spring, Grails, Express, Lift
 Multi-Services
MySQL, Postgres, MongoDB, Redis, RabbitMQ
 Multi-Cloud, Multi-IaaS
Public Cloud, MicroCloud, Private Cloud

7. Logic View
vmc client STS plugin browser
(user app access)
Router
Cloud Controller user apps user apps Health Manager
Services: core, ecosystem, etc. DEA: execution environment
Infrastructure

8. Sends droplet
heart beats and
exit messages
Router
Router
Registers and Registers and
unregisters unregisters
Architecture
Routes droplet
Routes REST API
requests
requests
Droplet change
notifications
Droplet
Cloud Controller Orchestrates
Health Manager start/stop Cloud Controller (Start, Stop, Find) Droplet Execution
requests
Agent (DEA)
Periodically scans Persists droplets
for consistency and provisioned Guest applications
Advertise
services consume
Cloud Service
Controller
Provision and
Database
unprovision
Service "A"
Provision Service
and "A"
Provisioning Agent
unprovision

9. Disadvantages
• Limited Services
• Limited File Generate/Access
• Charge Public Cloud
• No Infrastructure in China
• Beta

10. Agenda
• Overview
• Development Guide
• Deployment Guide
• Resource
• Q&A

11. Prepare
• Register
• Install Ruby and RubyGems
• Install VMC (VMware Cloud
Client)
• Install STS (with Cloud
Foundry Plugin)

12. Spring to Cloud Foundry
• Auto Reconfiguration
• Cloud Namespace
• Spring 3.1 Profiles

13. Auto Reconfiguration
 Two modifications
1. Additional Jar
2. Update Web.xml
 BeanFactoryPostProcessor
Examines the application context before
creating beans
 Swaps existing beans of matching types

14. Auto Reconfiguration

15. Cloud App Setup
 Maven
 Spring Application-Context

16. Cloud Namespace
 Support Data Source
 Other Support

17. Spring 3.1 Profiles
 V3.1 adds new support for environments
 Stand-alone Containers

18. Demo: Crawler
Http://www.somesite.com Crawler.cloudfoundry.com
Input url
Consuming
Image Object Query
RibbitMQ Instance WebApp
MongoDB
Get url Produce Persist
Dom parse Image Object
Crawler
Cloud Foundry / Public Cloud

19. Crawler WebApp
ImageUnitRepository ImageUnitGateway
Crawler.war
MongoDB RabbitMQ
Cloud Foundry Services

20. Agenda
• Overview
• Development Guide
• Deployment Guide
• Resource
• Q&A

21. Deployment Guide
• Deploy App
• Update App
• Binding Service to App
• Start/Stop App
• Scale App

22. Deploy App
• vmc login
• vmc target
• vmc push
• vmc update
• vmc create-service
• vmc bind-service
Via VMC Via STS

23. Access Service
• TCP over HTTP tunnel
• Local client
• Remote server
• gem install caldecott
• vmc tunnel your-service
• Mongodb/mysql command Caldecott

24. Micro Cloud Foundry(BETA)
A cloud packaged as a VMware Virtual Machine
Use as a developer sandbox
• Use the services from Junit integration tests
• Deploy your application for functional testing
• Remote debugging from STS

25. Micro Cloud Foundry Pre-requisites
Minimum 1 GB Minimum 8 GB Internet Connectivity
Resources
RAM Disk
(w/DHCP is ideal)
Virtualization
Clients
VMC STS

26. Private Cloud
CloudFoundry.ORG
Your Infrastructure
Deploy Behind
Download code Setup Environment Setup Scripts
Firewall
Apache2 license

27. Agenda
• Overview
• Development Guide
• Deployment Guide
• Resource
• Q&A

28. Things to Forget
• First normal form
• Waterfall model
• Single server deployment
• Single language skill
• Build everything from scratch
• Build custom infrastructure

29. Things to Learn
• Agile, API Design
• UI Design, Javacript, HTML5, CSS3
• A/B Testing
• Open Source, Open Standards
• Architecture, Distributed Computing
• Cloud Platforms and APIs
• Multiple types of languages (imperative, object, functional, logic)
• Ability to encapsulate domain knowledge in a DSL
• Build on the shoulders of giants: reuse, rest APIs
• Pick your battles, choose what you need to build yourself to add
value
• Learn to live in a box (embrace platform limitations) to think
outside the box
• Use an App Store for distribution

30. Cloud Foundry Resources
• Primary Site : cloudfoundry.com
• Open Source Site : cloudfoundry.org
• Twitter : @cloudfoundry
• Blog : blog.cloudfoundry.com
• FB : facebook.com/cloudfoundry
• Support : support.cloudfoundry.com

31. Q&A