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    Implementing OpenShift
    Implementing OpenShift
    Implementing OpenShift
    Ebook195 pages2 hours

    Implementing OpenShift

    By Adam Miller

    ()

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    About this ebook

    A standard tutorial-based approach to using OpenShift and deploying custom or pre-built web applications to the OpenShift Online cloud.This book is for software developers and DevOps alike who are interested in learning how to use the OpenShift Platform-as-a-Service for developing and deploying applications, how the environment works on the back end, and how to deploy their very own open source Platform-as-a-Service based on the upstream OpenShift Origin project.
    LanguageEnglish
    PublisherPackt Publishing
    Release dateOct 24, 2013
    ISBN9781782164739
    Implementing OpenShift
    Author

    Adam Miller

    Euan is an illustrator from London who enjoys drawing pictures for books, watching foxes and jays out his window and walking around looking at broken brickwork, sooty statues and the weird drainpipes and stuff you can find behind old run down buildings.

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      Book preview

      Implementing OpenShift - Adam Miller

      Table of Contents

      Implementing OpenShift

      Credits

      About the Author

      Acknowledgments

      About the Reviewers

      www.PacktPub.com

      Support files, eBooks, discount offers and more

      Why Subscribe?

      Free Access for Packt account holders

      Preface

      What this book covers?

      What you need for this book

      Who the book is for?

      Conventions

      Reader feedback

      Customer support

      Downloading the example code

      Errata

      Piracy

      Questions

      1. Understanding the Essentials

      The Cloud

      Infrastructure as a Service (IaaS)

      Platform as a Service (PaaS)

      Software as a Service (SaaS)

      SSH

      Git

      OpenShift – a bird's-eye view

      Client tools

      Broker

      Node

      Summary

      2. Using OpenShift

      Getting started using OpenShift

      Command-line utilities

      Web Console

      IDE Integrations

      Summary

      3. OpenShift – Technologies and Working

      Pluggable Authentication Modules for Linux

      SELinux

      CGroups

      Software Collections

      MCollective

      Applications and Gears

      The OpenShift architecture overview

      The REST API

      Summary

      4. Deploying an OpenShift PaaS

      The Fedora Project

      Ansible

      Deployment

      Summary

      Index

      Implementing OpenShift

      Implementing OpenShift

      Copyright © 2013 Packt Publishing

      All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

      Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing, and its dealers and distributors will be held liable for any damages caused or alleged to be caused directly or indirectly by this book.

      Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

      First published: October 2013

      Production Reference: 1171013

      Published by Packt Publishing Ltd.

      Livery Place

      35 Livery Street

      Birmingham B3 2PB, UK.

      ISBN 978-1-78216-472-2

      www.packtpub.com

      Cover image by Aashish Variava (<aashishvariava@hotmail.com>)

      Credits

      Author

      Adam Miller

      Reviewers

      André Dietisheim

      Daniel Kinon

      Acquisition Editor

      Vinay Argekar

      Commissioning Editor

      Harsha Bharwani

      Technical Editors

      Novina Kewalramani

      Anita Nayak

      Copy Editors

      Dipti Kapadia

      Gladson Monteiro

      Sayanee Mukherjee

      Kirti Pai

      Project Coordinator

      Romal Karani

      Proofreader

      Joanna McMahon

      Indexer

      Mehreen Deshmukh

      Priya Subramani

      Graphics

      Yuvraj Mannari

      Abhinash Sahu

      Production Coordinator

      Kirtee Shingan

      Cover Work

      Kirtee Shingan

      About the Author

      Adam Miller is currently employed at Red Hat Inc. as the Release Engineer for OpenShift Online, Red Hat's auto-scaling Platform-as-a-Service (PaaS) for applications. Adam has completed Bachelor's of Science in Computer Science and Master's of Science in Information Assurance and Security, both from the Sam Houston State University. He is a Red Hat Certified Engineer (Cert# 110-008-810), and is an active member of the open source community with a running history of contributions to the Fedora Project (FAS account name: maxamillion).

      Acknowledgments

      First, I would like to thank my family—my mother Kim, father John, stepfather Jim, stepmother Veronica, stepsister Elizabeth, mother-in-law Kathy, father-in-law Kevin and my grandparents, Bill and Mary-Jo—for their support in my writing of this book and in everything I pursue. I would also like to thank the entire OpenShift Team at Red Hat. They are the ones who've made OpenShift a reality and therefore made this book a possibility. In particular, I'd like to thank those in the team who have been invaluable mentors to me: Mike McGrath, Thomas Wiest, and Dan McPherson. I want to thank a dear friend of mine, Kyle Derr, who has been a technical mentor over the years and has helped me substantially reach a place that has made this book a possibility. I would like to thank the community members of #rhel on irc.freenode.net for the sanity checking and the technical guidance that they have provided over the years. I would also like to thank Rob Marti for hiring and mentoring me while I was at Sam Houston State University, this was largely a catalyst for what I didn't know at the time would become the career I could only have hoped for. I would like to thank Thomas Cameron for being a mentor, a motivator, and someone who provided guidance to my endeavors that ultimately lead me to writing this book. Finally, I want to thank my wife Amanda, the love of my life and primary source of inspiration in everything I do, technical or otherwise. Without her support, this book and many other wonderful occurrences in my life surely would not have happened.

      About the Reviewers

      André Dietisheim was quite passionate about coding Assembly Language on Commodore Amiga as a teenager. This fervor made him contribute later to the Java open source community in general and the Eclipse platform in particular.

      Today, he works on JBoss Tools, the Eclipse-based tooling that Red Hat Inc. provides. He has also worked with Red Hat Inc. and his current task is to create Eclipse tooling and a Java client for OpenShift.

      Daniel Kinon has been in the IT industry for 14 years and working with computers for much longer. Coming up through the ranks of Systems Administration, Daniel's passion has always been focused on automation to meet the ever-growing demands that software puts on infrastructure. Having experienced first hand the difficulties inherent in implementing PaaS, the release of OpenShift was a welcomed addition to Daniel's IT tool belt and proved extremely useful during his time working for Red Hat Inc. as a Sr. Technical Account Manager. Today, Daniel is continuing to explore the relationship between software demands and infrastructure scalability as the DevOps Architect for MarketLive Inc., the leading provider of omni-channel eCommerce technology and services. When he's not at the office or tinkering with Linux, Danielis a husband, father, electronics hobbyist, and home brewer.

      I've never seen proof of anyone succeeding on their own; I've always been baffled by those who would want to. I'd like to thank my family and mentors for always believing in me, and helping me to shape and hone my ideas and opinions, making me who I am today. And a special thank you to my wife and daughter for their support, inspiration, and smiles.

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      Preface

      When web developers traditionally came up with their next big idea, before they could start writing any serious amount of code, they either had to deploy and run their own infrastructure or had to submit a request to their system administration team. This process would generally require some amount of budgetary approval for computer hardware, storage, network allocation, space in a rack in their organization's data center, as well as electrical, heating, and cooling considerations.

      Now, with the widespread adoption of virtualization technologies, much of this process can be expedited, but there is still the administrative overhead of configuration and administration of the backend services needed to support the development environment. This is where the innovation of the cloud comes in, not just marketing buzz words that we all know and love, but real innovation that is changing the shape of IT as we know it.

      For those innovative minds looking to build the next big web application or adventuring

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