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Extending Puppet, by Alessandro Franceschi
Ebook Extending Puppet, by Alessandro Franceschi
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Design, manage, and deploy your Puppet architecture with the help of real-world scenariosAbout This Book
- Plan, test, and execute your Puppet deployments
- Write reusable and maintainable Puppet code
- Handle challenges that might arise in upcoming versions of Puppet
- Explore the Puppet ecosystem in-depth, through a hands-on, example driven approach
This book is designed for users who already have good experience with Puppet, and will surprise experienced users with innovative topics that explore how to design, implement, adapt, and deploy a Puppet architecture. The key to extending Puppet is the development of types and providers, for which you must be familiar with Ruby.
What You Will Learn- Use Puppet to manage network, cloud, and virtualization devices
- Become a Hiera and PuppetDB power user
- Study the different approaches to Puppet architecture design
- Master the art of writing and maintaining reusable modules
- Explore strategies and patterns on how to introduce Puppet automation
- Manage and test a Puppet code workflow
- Design scalable Puppet infrastructures
Puppet has changed the way we manage our systems, but Puppet itself is changing and evolving, as are the ways in which we use it.
A clear, updated, practical, and focused view of the current state of the technology and the evolution of Puppet is what we need to tackle our IT infrastructure challenges and avoid common errors when designing our architectures.
This is a detailed, practical book that covers the different components of the Puppet ecosystem and explores how to use them to deploy and manage different kinds of IT infrastructures.
Updated with the most recent trends and best practices, this book gives you a clear view on how to "connect the dots" and expands your understanding to successfully use and extend Puppet.
- Sales Rank: #1124587 in Books
- Published on: 2014-07-24
- Released on: 2014-06-24
- Original language: English
- Number of items: 1
- Dimensions: 9.25" h x .74" w x 7.50" l, 1.25 pounds
- Binding: Paperback
- 300 pages
About the Author
Alessandro Franceschi
Alessandro Franceschi is a freelance Puppet and DevOps consultant. Surviving IT battlegrounds since 1995, he has worked as an entrepreneur, web developer, trainer, and system and network administrator. He has been using Puppet since 2007, automating a remarkable amount of customers' infrastructures of different sizes, natures, and complexities. He has attended several PuppetConf and Puppet Camps as a speaker and participant, always enjoying the vibrant and friendly community, learning something new each time. During the following years, he started to publish his Puppet code, trying to make it reusable in different scenarios. The result of this work is the Example42 Puppet modules set, a widely used collection of modules based on reusability principles and with some optional, opinionated twists to automate firewalling, monitoring, systems' inventory, and application deployments. For more information on Example42 modules, visit www.example42.com. His Twitter handle is @alvagante.
Most helpful customer reviews
0 of 0 people found the following review helpful.
A well laid out coverage of advanced Puppet topics
By Jascha Casadio
What was once the flavor of the month has now turned into the most used configuration management system out there. Despite being used by a huge list of top companies, as well by a legion of start-ups, the documentation available on Puppet, be it official or not, is still very limited. This is even more true when we are interested in topics that go beyond creating our own modules or setting up a masterless node, despite the great efforts of the Forge and the IRC channel. On top of this, the recent release of Puppet 4, which introduced significant non backward compatible changes to both the syntax and the configuration, made most of the available material obsolete. Extending Puppet is one of those bright stars in the moonless sky, a book that, despite officially covering version 3, offers very valuable content to every expert Puppetteer, even those interested in migrating to Puppet 4.
I must admit I was kinda insecure when I first had this book in my hands. Not because of the author, who is a well known Puppetteer and contributor, but because having been released a year before Puppet 4 went live, and because of the important changes that this introduced, I’ve thought it would have been a futile read. Having reached the back cover, I am happy to say that Alessandro’s book is plain useful, rich of valuable content, even for the latest version of Puppet.
But let’s get to business! As stated pretty much clear by the author, this book is not for the feint of heart. It does expect the reader to know what a module is, as well as how to get data through Hiera or take advantage of facts. Despite this, the first of the twelve chapters provides a quick refresher for all of us, since we all forget things and sometimes get lost in the weeds. The topics covered here range from installation up to templates, passing through ENC and run stages.
In chapter 2 Alessandro starts big: Hiera. This is somehow fun because while the book was meant to cover Puppet 3, in version 4 Hiera has an even more important role.Not only the author does explain how to install and configure it (mind that it has now changed), he does also cover the most important backends. Among them hiera-gpg, which is a must have among the optional ones. PuppetDB, follows in chapter 3. This technology is mainly meant for the enterprise. Most of the Puppetteers won’t even bother with this.
After these first chapters we get to the main course: how to better design our architecture and improve our coding style. Now, given that there is no best style, the author discusses the many different best practices that are used by the community, often referring to blog posts that represented a milestone in Puppet’s history. This goes up to chapter 7, where the author diverges to other topics, such as migrating the infrastructure and going to the cloud.
A couple of notes: first, if I had to find something bad about this book I would point out anchors: anchors are a widely used design pattern used by the community until ‘contain’ was released. This pattern has been often used to avoid problems between class that included other classes and dependencies. Such a critical issue should have deserved more than a one page paragraph. Second, before tying it all up, I must confess that I find the title to be misleading: ‘extending’ made me honestly think that this book was about developing custom facts and providers. While I cannot come up with a valid alternative (the title is the hardest!), I would have highlighted the fact that this (great!) book is about design, style and best practices.
So, a great book. One of the best dedicated to Puppet, no doubts. It definitely deserves an honored place on the bookshelf of any Puppetteer out there.
As usual, you can find more reviews on my personal blog: http://books.lostinmalloc.com. Feel free to pass by and share your thoughts!
3 of 4 people found the following review helpful.
The Complete Puppet Handbook
By David Schmitt
[Disclaimer I: I received a free copy of the book for the promise of writing a review.] [Disclaimer II: I'm mentioned twice in the book.]
A few weeks ago, Alessandro asked me to publish a review of his book "Extending Puppet". After a bit of waiting until the publisher could provide me with access to the eBook, I could finally finish it up this weekend.
"Extending Puppet" is a comprehensive overview of the modern puppet landscape. From explaining the basics of Puppet syntax over discussing migration to Puppet to development of the enterprise puppet infrastructure to deployment strategies to the tool ecosystem to programming of the nuts and bolts of custom types and functions to the future development of Puppet 4. While Alessandro surveys the breadth of the possibilities, of course the most intricate technical details must be elided to avoid overwhelming the reader with information that is better gathered from the original reference manuals.
As is said in the foreword, the book is actually misnamed. "The Complete Puppet Handbook" would be a much better fit. Personally I might even prefer it to be called "The Hitchhiker's Guide to Puppet" and it should have a big "Do not Panic!" decal on the back.
All in all I can recommend the book heartily both to the novice - as a starting point to plan the usage of puppet - as well as to the hardened veteran - to ascertain the professional toolbox is complete.
1 of 1 people found the following review helpful.
Great Puppet architecture book written by one of the best experts
By Edwin Biemond
I really like this book because finally there is a puppet book not about writing puppet modules but over designing your own puppet architecture, all the hiera possible backend you can have, writing reusable modules, High Availability, the development process toegether with code quality & testing and Future Puppet.
When you read this book you will notice that Alessandro has seen it all, done it all. He explains every option you can have with some explaining examples. Especially the Designing Puppet architectures chapter is a must have, this can save you so much time and future problems when you start with your own Puppet environment.
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