cloud foundry bootcamp

Cloud Foundry Bootcamp

Alvaro Videla Developer Advocateavidela@vmware.com@old_sound

Wednesday, November 21, 12

About Me

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

About Me

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

About Me

Co-authored

RabbitMQ in Action

http://bit.ly/rabbitmq

CONFIDENTIAL

Capabilities

The Basics

How it Works (Architecture)

Micro Cloud Foundry

5Wednesday, November 21, 12

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What does Cloud Foundry

offer?

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Cloud Foundry: Choice of Runtimes

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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

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Cloud Foundry: Choice of Clouds

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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

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Cloud Foundry.org

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Cloud Foundry: Clouds

§ Joyent

• community lead for Node.js

§ ActiveState

• community lead for Python, Perl

• Providers of Stackato private PaaS

§ AppFog.com

• community lead for PHP

• PaaS for PHP

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Micro Cloud Foundry

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Cloud Foundry: Services

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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

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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

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

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Cloud Foundry architecture

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Cloud Foundry - Architecture

Services

HealthManager

RoutersCloudControllers

Load Balancers

CloudControllersCloud

Controllers

Services

Load BalancersLoad

Balancers

Routers

HealthManagerHealth

Manager

Routers

Message Bus

(NATS)Message Bus

(NATS)

Web Service API

Client, e.g. VMC

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Application deployment flow

VMCCloud

Controller DEADEA

RouterRouter

Application

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VMCvmc push Cloud

Controller DEADEA

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller DEADEA

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app DEADEA

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app

Framework specific staging

plugin

DEADEA

CreatesDroplet

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app

plugin

DEADEA

find DEA for app

CreatesDroplet

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app

plugin

DEADEA

find DEA for app

CreatesDroplet

I’m available

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app

plugin

DEADEA

find DEA for app

CreatesDroplet

deploy droplet

I’m available

RouterRouter

Application

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VMCvmc push

Framework detection

Cloud Controller

create app

plugin

DEADEA

find DEA for app

CreatesDroplet

deploy droplet

I’m available

RouterRouter

Applicationstart

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VMCvmc push

Framework detection

Cloud Controller

create app

plugin

DEADEA

find DEA for app

CreatesDroplet

deploy droplet

I’m available

RouterRouter

update routes

Applicationstart

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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

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Request handling flow

Load Balancer RouterRouterLoad Balancer

HTTP Request HTTP Request

DEAApplication

HTTP Request

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Request handling flow

Load Balancer RouterRouterLoad Balancer

HTTP Request HTTP Request

DEAApplication

HTTP Request

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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

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Micro Cloud Foundry

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What is in Micro Cloud Foundry?

Open source Platform as a Service project

App Instances Services

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

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Pre-requisites for using Micro Cloud Foundry

Minimum 1 GB

Minimum 8 GB

Internet Connectivity

(w/DHCP is ideal)

VMC STSCommand line GUI

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Register and login to CloudFoundry.com

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Select a domain name

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

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Remember the configuration token

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Download, unzip and open micro.vmx

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Configure Micro Cloud Foundry

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Pick password

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Pick password

Enter token

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Getting started with Cloud Foundry...

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Register

http://cloudfoundry.com/signup

Use promo code

cfnownov12

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Welcome email

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Ways to use Cloud Foundry

command line...

IDE plugin...

toolchain plugin...

Cloud IDEs

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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

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Installing vmc on Windows

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Installing vmc on Windows

Install the vmc gem

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Installing vmc on Mac OSX

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

$ rvm install 1.9.2

$ rvm use 1.9.2

$ gem install vmc

Use Ruby Version Manager http://beginrescueend.com/

You need:Command Line Tools for OSX orXCode 4.1

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Logging into CloudFoundry.com

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$ vmc target api.cloudfoundry.comSuccessfully targeted to [http://api.cloudfoundry.com]

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$ vmc target api.cloudfoundry.comSuccessfully targeted to [http://api.cloudfoundry.com]

$ vmc loginAttempting login to [http://api.cloudfoundry.com]Email: avidela@vmware.comPassword: ********Successfully logged into [http://api.cloudfoundry.com]

Cloud Foundry Integration plugin for Eclipse

Eclipse support:

✦ CF Integration for Eclipse

✦ SpringSource Tool Suite

Cloud Foundry Integration plugin for Eclipse

Sample App: CloudStagram

Frontend Appnode.js

Image Resizersnode.js

Frontend Appnode.js

Image ResizersClojure

CODE OR IT DIDN’T HAPPEN

Thank You

CloudFoundry Source Samples: https://github.com/cloudfoundry-samples/

http://cloudfoundry.com

Questions? @cloudfoundry #cloudfoundry

@old_sound / avidela@vmware.com

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