OpenShift and next generation application development

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Syed M ShaafSolution Architect

Red Hat [email protected]

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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

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PaaS = Platform as a Service

A Cloud Application Platform

Code Deploy Enjoy

Save Time and MoneyCode your app

Push-button Deploy, and your App is running in the Cloud!

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Today’s IT Challenge

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OpenShiftis

PaaS by Red Hat

Multi-language,Auto-Scaling,Self-service,

Elastic,Cloud Application Platform

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Developers Choose How To Work with OpenShift

Developer IDEIntegrations

Web BrowserConsole

Command LineTooling

REST APIs

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OpenShift’s Intuitive and “Responsive” Web Console Runs on Any Device

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Are You a Command-Line Fan?OpenShift’s RHC CLI Tools

1.Create Apprhc app create -a javasample -t jbossas-7

2.Add MongoDBrhc app cartridge add -a javasample –c mongodb-2.0

3.Add add EAR file to your deployments directory

cd javasample

cp /path/to/ear/earfilename.ear ./deployments

1.Add the EAR file to gitgit add ./deployments/earfilename.ear

2.Push your codegit push

3.Done

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And, of Course, a Powerful JBoss Dev Studio IDE Integration

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Developers Choose Languages, Frameworks and Middleware

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Why OpenShift?1. Strength. OpenShift is built on proven Red Hat

technologies.

2. Freedom. In OpenShift, work the way you want.• Choice of Interface: Web Console, Command-line, or IDE• Choice of Middleware: Java(EE6), Ruby, Node.js, PHP, Python, and

Perl• Choice of Cloud: Public, Private, or Hybrid Cloud• Choice of Elasticity: Automatic application scaling when needed

1. Openness. OpenShift’s open source software stack ensures application portability and No Lock-In.

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Let’s Take a Look…

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How OpenShift Works

POWERED BY

OPENSHIFT

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OpenShift is a PaaS on top of… Infrastructure

AWS / CloudForms / OpenStack (IaaS) / RHEV (Virt) / Bare Metal

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The Foundation of OpenShift is Red Hat Enterprise Linux

RHEL RHEL RHEL

OpenShift is Built on Instances of Red Hat Enterprise Linux (RHEL)

RHEL


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An OpenShift Broker Manages Multiple OpenShift Nodes

Nodes are where User Applications live.Brokers keep OpenShift running.

Brokers Node Node Node

RHEL RHEL RHELRHEL


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Unique SELinux Approach Enables Security and Multi-tenancy

RHEL RHEL

SELinux Policies securely subdividethe Node instances.

Broker Node Node Node

RHEL


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OpenShift User Applications Run in OpenShift Gears

RHEL RHEL

OpenShift GEARS represent secure containers in RHEL


RHEL


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RHEL RHEL

Broker Node Node

RHEL

AWS / CloudForms / OpenStack / Any VIRT Hyper-visor! / Bare Metal

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DeveloperWorkflow

RHEL RHEL

A Developer creates a new application OpenShift creates a GEAR

Web ConsoleEclipse IDECmd Line


RHEL

OpenShiftGear


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OpenShift AutomatesGear Configurationvia Cartridges

RHEL RHEL

CARTRIDGES are how OpenShift installs Languages & Middleware

Web ConsoleEclipse IDECmd Line


RHEL


JBoss MySQL

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OpenShift Cartridge System Enables User-Built Cartridges

Developers can add custom language, data-store, or

middleware with with a custom Cartridge.

CUSTOMEtc.

Etc.

Ruby

Python

PHP

Java

Postgres

MySQL

OpenShift DefaultCartridges


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Now, Code and Push

RHEL RHEL

Developer pushes application code via GIT source code management system

Git Protocol / ssh


RHEL

Push


JBoss

Code

GitRepo MySQL

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OpenShift AutomatesBuild, Test, Publish

RHEL RHEL


RHEL


Jenkins(CI)

Maven(Builds) Apache

(HTTP)

CodeJBoss

GitRepo

MySQL

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OpenShift AutomatesApplication Scaling!


RHEL

HA-Proxy MySQLJava

Code

Java

Code

Java

Code


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Real-world App Dev – Multi Environments, Single PaaS

Brokers

NodesRHEL

Dev DISTRICT

Nodes

QA DISTRICT

Nodes

Prod DISTRICT

Dev QA Release Mgmt

Git GitGit Git

Git

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Real-world App Dev – Multi Environments, multiple PaaSes

Nodes

Dev

Dev QA Release Mgmt

Nodes

QA

Nodes

Prod

Git GitGit Git

Git

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OpenShift Automates the

IT Assembly Line

POWERED BY

OPENSHIFT


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[stack@localhost openshift-origin-cartridge-nodejs]$ find -type f./hooks/{ pre, post}./env/OPENSHIFT_NODEJS_PID_DIR.erb./env/OPENSHIFT_NODEJS_LOG_DIR.erb./logs/.gitkeep./openshift-origin-cartridge-nodejs.spec./usr/template/index.html./usr/template/server.js./usr/template/.openshift/action_hooks/README.md./usr/template/package.json./usr/template/README.md./usr/template/node_modules/.gitkeep./usr/template/deplist.txt./metadata/locked_files.yml./metadata/manifest.yml./metadata/jenkins_shell_command.erb./versions/0.6/configuration/node.env./versions/0.6/configuration/npm_global_module_list./bin/setup./bin/control./bin/install

Demystified: Cartridge structure: Can I make my own?

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Choice of Public, Private, or Open Hybrid Clouds

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References

- http://www.openshift.com- http://www.redhat.com/products/cloud-computing/openshift-enterprise/- https://www.openshift.com/developers/cartridge-authors-guide

Contributions: Part of slide deck originally presented by Dan Juengst – Product Marketing, Red Hat

http://www.openshift.com/

http://www.redhat.com/products/cloud-computing/openshift-enterprise/

https://www.openshift.com/developers/cartridge-authors-guide

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Thank You

Questions?

Technology

OpenShift and next generation application development