Puppet 2.7 Cookbook电子书

Puppet 2.7 Cookbook

Table of Contents

Puppet 2.7 Cookbook

Credits

About the Author

About the Reviewers

www.PacktPub.com

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Why Subscribe?

Free Access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Puppet Infrastructure

Using version control

Getting ready

How to do it...

How it works...

There's more...

See also

Using commit hooks

How to do it…

How it works…

There's more…

See also

Deploying changes with Rake

Getting ready

How to do it...

How it works...

There's more...

See also

Configuring Puppet's file server

How to do it...

How it works...

There's more...

See also

Running Puppet from cron

How to do it...

How it works...

There's more...

See also

Using autosign

How to do it...

How it works...

See also

Pre-signing certificates

How to do it...

See also

Retrieving files from Puppet's filebucket

How to do it...

How it works...

There's more...

Scaling Puppet using Passenger

Getting ready

How to do it...

How it works...

There's more...

See also

Creating decentralized Puppet architecture

Getting ready

How to do it...

How it works...

There's more...

See also

2. Monitoring, Reporting, and Troubleshooting

Generating reports

How to do it…

How it works…

There's more…

Enabling reports on the command line

Logging Puppet messages to syslog

See also

E-mailing log messages containing specific tags

How to do it…

How it works…

There's more…

What are tags?

Specifying multiple tags, or excluding tags

Sending reports to multiple e-mail addresses

See also

Creating graphical reports

Getting ready

How to do it…

How it works…

There's more…

See also

Producing automatic HTML documentation

How to do it…

How it works…

There's more…

Drawing dependency graphs

Getting ready…

How to do it…

How it works…

There's more…

Testing your Puppet manifests

Getting ready

How to do it…

How it works…

There's more…

Doing a dry run

How to do it…

How it works…

There's more…

See also

Detecting compilation errors

How to do it…

How it works…

Understanding Puppet errors

How to do it…

Logging command output

How to do it…

How it works…

There's more…

Logging debug messages

How to do it…

How it works…

There's more…

Printing out variable values

Printing the full resource path

Logging messages on the Puppetmaster

Inspecting configuration settings

How to do it…

How it works…

Using tags

How to do it...

There's more…

Using run stages

How to do it…

How it works…

There's more…

Using environments

How to do it…

How it works…

There's more…

See also

3. Puppet Language and Style

Using community Puppet style

How to do it…

There's more…

Using modules

How to do it…

How it works…

There's more...

Templates

Facts, functions, types, and providers

puppet-module

Third-party modules

Module organization

See also

Using standard naming conventions

How to do it…

There's more…

Using embedded Ruby

How to do it…

How it works…

See also

Writing manifests in pure Ruby

How to do it…

How it works…

There's more…

Variables

Documentation

Iterating over multiple items

How to do it…

How it works…

There's more…

Hashes

Creating arrays with the split function

Writing powerful conditional statements

How to do it…

How it works…

There's more…

elsif

Comparisons

Combining expressions

See also

Using regular expressions in if statements

How to do it…

How it works…

There's more…

Capturing patterns

Regular expression syntax

See also

Using selectors and case statements

How to do it…

How it works…

There's more…

Regular expressions

Defaults

Testing whether values are contained in strings

How to do it…

There's more…

Using regular expression substitutions

How to do it…

How it works…

There's more...

See also

4. Writing Better Manifests

Using arrays of resources

How to do it…

How it works…

See also

Using define resources

How to do it…

How it works…

There's more…

Using dependencies

How to do it…

How it works…

There's more…

Using node inheritance

How to do it…

How it works…

There's more…

See also

Using class inheritance and overriding

Getting ready…

How to do it…

How it works…

There's more…

Undefining parameters

Adding extra values using the +> operator

Disabling resources

See also

Passing parameters to classes

How to do it…

How it works…

There's more…

See also

Writing reusable, cross-platform manifests

How to do it…

How it works...

There's more…

See also

Getting information about the environment

How to do it…

How it works…

There's more…

See also

Importing dynamic information

Getting ready…

How to do it…

How it works…

There's more…

See also

Importing data from CSV files

Getting ready…

How to do it…

How it works…

There's more…

See also

Passing arguments to shell commands

How to do it…

How it works…

5. Working with Files and Packages

Making quick edits to config files

How to do it…

How it works…

There's more…

See also

Using Augeas to automatically edit config files

Getting ready…

How to do it…

How it works…

There's more…

Building config files using snippets

How to do it…

How it works…

There's more…

See also

Using ERB templates

How to do it…

How it works…

There's more…

See also

Using array iteration in templates

How to do it…

How it works…

There's more…

See also

Installing packages from a third-party repository

How to do it…

How it works…

There's more...

See also

Setting up an APT package repository

Getting ready…

How to do it…

How it works…

There's more…

Adding packages

Configuring nodes to use the repository

Signing your packages

Setting up a gem repository

How to do it…

How it works…

There's more…

Adding gems

Using the gem repo

Building packages automatically from source

How to do it…

How it works…

There's more…

Comparing package versions

How to do it…

How it works…

6. Users and Virtual Resources

Using virtual resources

How to do it…

How it works…

There's more…

See also

Managing users with virtual resources

How to do it…

How it works…

See also

Managing users' SSH access

How to do it…

How it works…

There's more…

Managing users' customization files

How to do it…

How it works…

See also

Efficiently distributing cron jobs

How to do it…

How it works…

There's more…

See also

Running a command when a file is updated

Getting ready…

How to do it…

How it works…

There's more…

Using host resources

How to do it…

How it works...

There's more...

Using multiple file sources

How to do it…

How it works…

There's more...

See also

Distributing directory trees

How to do it…

How it works…

There's more…

Cleaning up old files

How to do it…

How it works…

There's more…

Using schedules with resources

How to do it…

How it works…

There's more…

Auditing resources

How to do it…

How it works…

There's more…

See also

Temporarily disabling resources

How to do it…

How it works…

Managing timezones

How to do it…

There's more…

7. Applications

Managing Apache servers

How to do it...

There's more...

Creating Apache virtual hosts

How to do it…

How it works…

There's more…

See also

 Creating Nginx virtual hosts

Getting ready…

How to do it…

How it works…

There's more…

See also

Creating MySQL databases and users

Getting ready…

How to do it…

How it works…

There's more…

Managing Drupal sites

Getting ready…

How to do it…

How it works…

There's more…

Managing Rails applications

How to do it…

How it works…

Nginx and Passenger

Rails

There's more…

RVM

Log rotation

Databases

SSL certificates

8. Servers and Cloud Infrastructure

Deploying a Nagios monitoring server

Getting ready…

How to do it…

How it works...

There's more…

Building high-availability services using Heartbeat

How to do it…

How it works…

There's more…

Managing NFS servers and file shares

How to do it…

How it works…

There's more…

Using HAProxy to load-balance multiple web servers

How to do it…

How it works…

There's more…

Managing firewalls with iptables

Getting ready…

How to do it…

How it works…

There's more…

Managing EC2 instances

Getting ready…

How to do it…

How it works…

There's more...

See also

Managing virtual machines with Vagrant

How to do it…

How it works…

There's more…

9. External Tools and the Puppet Ecosystem

Creating custom Facter facts

Getting ready...

How to do it…

How it works...

There's more...

Executing commands before and after Puppet runs

How to do it…

There's more…

Generating manifests from shell sessions

Getting ready…

How to do it…

How it works…

There's more…

Generating manifests from a running system

How to do it…

There's more…

Using Puppet Dashboard

Getting ready…

How to do it…

How it works…

There's more…

See also

Using Foreman

Getting ready…

How to do it…

There's more…

Using MCollective

 Getting ready...

How to do it…

How it works…

There's more…

Installing an MCollective plugin

Using public modules

Getting ready...

How to do it…

How it works…

There's more…

Using an external node classifier

Getting ready…

How to do it…

How it works…

There's more…

Creating your own resource types

Getting ready…

How to do it…

How it works…

There's more…

Documentation

Validation

Creating your own providers

Getting ready…

How to do it…

How it works…

There's more…

Index