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Mastering Puppet

Mastering Puppet

By : Thomas Uphill
3.9 (13)
Buy this Book
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Mastering Puppet

Mastering Puppet

3.9 (13)
By: Thomas Uphill
Buy this Book

Overview of this book

Presented in an easy-to-follow, step-by-step tutorial format and packed with examples, this book will lead you through making the best out of Puppet in an enterprise environment. If you are a system administrator or developer who has used Puppet in production and are looking for ways to easily use Puppet in an enterprise environment, this book is for you. This book assumes an intermediate knowledge of Puppet and is intended for those writing modules or deploying Puppet in an enterprise environment.
Table of Contents (12 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Dealing with Load/Scale
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1. Dealing with Load/Scale
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Divide and conquer
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Conquer by dividing
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Summary
2
2. Organizing Your Nodes and Data
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2. Organizing Your Nodes and Data
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Getting started
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Organizing the nodes with ENC
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Hiera
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Summary
3
3. Git and Environments
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3. Git and Environments
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Environments
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Git
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Git for everyone
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Summary
4
4. Public Modules
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4. Public Modules
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Getting modules
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Using GitHub for public modules
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Modules from the Forge
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Using librarian
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Using r10k
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Using modules
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Summary
5
5. Custom Facts and Modules
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5. Custom Facts and Modules
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Module manifest files
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Custom facts
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Summary
6
6. Custom Types
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6. Custom Types
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Parameterized classes
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Defined types
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Types and providers
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Summary
7
7. Reporting and Orchestration
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7. Reporting and Orchestration
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Turning on reporting
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Syslog
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Store
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IRC
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Foreman
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Puppet Dashboard
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Summary
8
8. Exported Resources
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8. Exported Resources
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Configuring puppetdb – using the forge module
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Manually installing puppetdb
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Exported resource concepts
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Simple example: a host entry
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Resource tags
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Putting it all together
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Summary
9
9. Roles and Profiles
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9. Roles and Profiles
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Design pattern
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Creating an example CDN role
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Dealing with exceptions
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Summary
10
10. Troubleshooting
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10. Troubleshooting
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Connectivity issues
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Catalog failures
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Debugging
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Summary
11
Index
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Index

Using GitHub for public modules

If you have a module you wish to use that is only hosted on GitHub, (github.com is an online Git service for sharing code using Git) a good way to keep your modules organized is to create a local Git repository and make the GitHub module a submodule of your modules.

We'll start by creating a new Git repository for our public modules:

git@worker1$ git init --bare --shared=group public.git
Initialized empty shared Git repository in /var/lib/git/public.git/

Tip

If your Git user still has git-shell set as its login shell from the previous chapter, change it back to bash, as shown in the following commands:

# chsh -s /bin/bash git
Changing shell for git.
Shell changed.

The first module we will download from GitHub is puppetdb, which is a module to install and configure puppetdb. This module is available at https://github.com/puppetlabs/puppetlabs-puppetdb.

With our public repository created, we will clone the repository in another location and create a Git submodule...

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