Cloud Foundry Bootcamp

Cloud Foundry Bootcamp

Alvaro Videla
Developer Advocate
avidela@vmware.com
@old_sound

© 2012 VMware, Inc. All rights reserved

Wednesday, November 21, 12

About Me

• Developer Advocate for Cloud Foundry
• Blog: http://videlalvaro.github.com/
• Twitter: @old_sound
• http://slideshare.net/old_sound

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About Me

• Developer Advocate for Cloud Foundry
• Blog: http://videlalvaro.github.com/
• Twitter: @old_sound
• I created gifsockets™

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About Me

Co-authored

RabbitMQ in Action

http://bit.ly/rabbitmq

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Capabilities

The Basics

How it Works (Architecture)

Micro Cloud Foundry

CONFIDENTIAL

5

What does
Cloud Foundry
offer?

CONFIDENTIAL

6

Cloud Foundry: Choice of Runtimes

CONFIDENTIAL


Frameworks and Runtimes Supported
• Out of the Box
• Java (.WAR files, on Tomcat. Spring’s an ideal choice here, of course..)
• Scala (Lift, Play!)
• Ruby (Rails, Sinatra, etc.)
• Node.js
• Ecosystem Partners
• .NET (Uhuru, Tier3)
• Python (Stackato)
• PHP (AppFog)
• Haskell (1)
• Erlang (2)

1) http://www.cakesolutions.net/teamblogs/2011/11/25/haskell-happstack-on-cloudfoundry/
2) https://github.com/cloudfoundry/vcap/pull/20

CONFIDENTIAL


Cloud Foundry: Choice of Clouds

CONFIDENTIAL

9

Main Risk: Lock In Welcome to the hotel California
Such a lovely place
Such a lovely face
Plenty of room at the hotel California
Any time of year, you can ﬁnd it here

Last thing I remember, I was
Running for the door
I had to ﬁnd the passage back
To the place I was before
’relax,’ said the night man,
We are programmed to receive.
You can checkout any time you like,
But you can never leave!

-the Eagles

CONFIDENTIAL

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Cloud Foundry.org

CONFIDENTIAL

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Cloud Foundry: Clouds
§ AppFog.com
• community lead for PHP
• PaaS for PHP

§ Joyent
• community lead for Node.js

§ ActiveState
• community lead for Python, Perl
• Providers of Stackato private PaaS

CONFIDENTIAL

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Micro Cloud Foundry

CONFIDENTIAL

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Cloud Foundry: Services

CONFIDENTIAL

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§ Services are one of the extensibility planes in Cloud Foundry
• there are more services being contributed by the community daily!

§ MySQL, Redis, MongoDB, RabbitMQ, PostgreSQL

§ Services may be shared across applications

§ Cloud Foundry abstracts the provisioning aspect of services
through a uniform API hosted in the Cloud Controller

§ It’s very easy to take an app and add a service to the app in a
uniform way

CONFIDENTIAL

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§ Take Advantage of Services
• they cost nothing to setup
• they deliver value

§ They Encourage Better Architectures
• Need a fast read-write cache? Redis is ready to go!
• Need to store long-tail documents? Give MongoDB a try
• Need to decouple what applications do from when they do it?
Use messaging and RabbitMQ

CONFIDENTIAL

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Demo: logging in,
asking questions, &
deploying from the CLI

CONFIDENTIAL

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Cloud Foundry
architecture

CONFIDENTIAL

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Cloud Foundry - Architecture

Message Bus
Web Message Bus
Web Message Bus
(NATS)
(NATS)
(NATS)
100s of DEAs

Load
Load
App Load
Balancers
App Balancers
Balancers
App

DEAs
DEAs
DEAs

Cloud Routers
Routers
Cloud Routers
Cloud
Controllers
DB Controllers
Controllers
DB
DB
Web
Health
Health
Health
Service API
Services
Services
Services Manager
Manager
Manager
Client, e.g.
VMC
CONFIDENTIAL


Application deployment flow

Cloud
VMC DEA
Controller DEA Application

Router
Router

CONFIDENTIAL



vmc push
Cloud
VMC DEA

Router
Router

CONFIDENTIAL



vmc push
Cloud
VMC DEA

Framework
detection

Router
Router

CONFIDENTIAL



vmc push create Cloud
VMC DEA
app Controller DEA Application

Framework
detection

Router
Router

CONFIDENTIAL



VMC DEA

Framework
detection
Framework
specific staging
plugin

Creates
Droplet

Router
Router

CONFIDENTIAL



find DEA
for app

VMC DEA

Framework
detection
Framework
specific staging
plugin

Creates
Droplet

Router
Router

CONFIDENTIAL



find DEA
for app

vmc push I’m
create Cloud
VMC available DEA

Framework
detection
Framework
specific staging
plugin

Creates
Droplet

Router
Router

CONFIDENTIAL



find DEA
for app

vmc push I’m
create Cloud
VMC available DEA
deploy
Framework droplet
detection
Framework
specific staging
plugin

Creates
Droplet

Router
Router

CONFIDENTIAL



find DEA
for app

vmc push I’m
create Cloud
VMC available DEA start
deploy
Framework droplet
detection
Framework
specific staging
plugin

Creates
Droplet

Router
Router

CONFIDENTIAL



find DEA
for app

vmc push I’m
create Cloud
VMC available DEA start
deploy
Framework droplet
detection
Framework
specific staging
plugin

update
routes
Creates
Droplet

Router
Router

CONFIDENTIAL


About the staging plugin
§ Framework specific
§ Creates a zip file = black box
• Contains everything necessary for DEA to run the application
• Two scripts: start.sh, stop.sh

CONFIDENTIAL

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Request handling flow

HTTP Request HTTP Request HTTP Request

Load Balancer Router Application
Load Balancer Router DEA

CONFIDENTIAL

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Self Healing Infrastructure
§ If an application instance crashes
• DEA detects unexpected exit => DEA broadcasts message
• Routers remove instance from routing
• Health manager notifies Cloud Controller
• Cloud Controller re-launches instance
§ If an DEA VM crashes
• Application instances become unavailable
• Health Manager notices the missing instances and notifies the
Cloud Controller
• Cloud Controller requests application instances to be started
• Existing DEA will reply and start the applications

CONFIDENTIAL


Micro Cloud Foundry

CONFIDENTIAL

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What is in Micro Cloud Foundry?

App Instances Services

Open source Platform as a Service project

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
CONFIDENTIAL

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Pre-requisites for using Micro Cloud Foundry
Minimum 1 GB Minimum 8 GB Internet Connectivity

RAM Disk (w/DHCP is ideal)

VMC STS
Command line GUI

CONFIDENTIAL

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Register and login to CloudFoundry.com

CONFIDENTIAL

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Select a domain name

*.cloudfoundry.me => IP address of your machine where Micro Cloud Foundry is
running

CONFIDENTIAL

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Remember the configuration token

CONFIDENTIAL

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Download, unzip and open micro.vmx

CONFIDENTIAL

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Configure Micro Cloud Foundry

CONFIDENTIAL

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Pick
password

CONFIDENTIAL

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Pick
password
Enter token

CONFIDENTIAL

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Getting started with
Cloud Foundry...

CONFIDENTIAL

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Register http://cloudfoundry.com/signup

Use promo code

cfnownov12

CONFIDENTIAL

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Welcome email

CONFIDENTIAL

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Ways to use Cloud Foundry
command line...

IDE plugin...

toolchain plugin...

Cloud IDEs

CONFIDENTIAL
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Example vmc commands

$
gem
install
vmc

$
vmc
target
<any
cloud>
$
vmc
login
<credentials>
$
vmc
push
<my-‐app>

>
bind
services?
Yes

$
vmc
update
<my-‐app>
$
vmc
instances
<my-‐app>
+100

CONFIDENTIAL
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Installing vmc on Windows

CONFIDENTIAL

37

Installing vmc on Windows

Install the vmc gem

CONFIDENTIAL

37

Installing vmc on Mac OSX
Use Ruby Version Manager http://beginrescueend.com/

$ curl -L https://get.rvm.io | bash -s stable --ruby
$ rvm install 1.9.2

$ rvm use 1.9.2
You need:
$ gem install vmc
Command Line Tools for OSX or
XCode 4.1

CONFIDENTIAL

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Logging into CloudFoundry.com

CONFIDENTIAL
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$
vmc
target
api.cloudfoundry.com
Successfully
targeted
to

[http://api.cloudfoundry.com]

CONFIDENTIAL
39



$
vmc
target
api.cloudfoundry.com
Successfully
targeted
to


$
vmc
login
Attempting
login
to

Email:
avidela@vmware.com
Password:
********
Successfully
logged
into


CONFIDENTIAL
39


Cloud Foundry Integration plugin for Eclipse

Eclipse support:
✦ CF Integration for Eclipse
✦ SpringSource Tool Suite

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Cloud Foundry Integration plugin for Eclipse

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Sample App: CloudStagram

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Frontend App
node.js

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Frontend App
node.js

Image Resizers
node.js

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Frontend App
node.js

Image Resizers
Clojure

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CODE OR
IT DIDN’T HAPPEN

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Thank You

CloudFoundry Source Samples:

https://github.com/cloudfoundry-samples/

http://cloudfoundry.com

Questions? @cloudfoundry #cloudfoundry

@old_sound / avidela@vmware.com

© 2012 VMware, Inc. All rights reserved


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