The Complete Hiera Course- A Puppet Masterclass
- IT & Software
- Feb 01, 2025

The Complete Hiera Course: A Puppet Masterclass, available at $64.99, has an average rating of 4.42, with 37 lectures, based on 308 reviews, and has 1531 subscribers.
You will learn about Use Hiera to reduce Puppet code complexity Concepts of data separation An understanding of hierarchical lookups Advanced Hiera tips and tricks Securing sensitive data with Hiera-Eyaml How to manage infrastructure data in Puppet Lookup merging and cascading This course is ideal for individuals who are Puppet users wishing to further understand Hiera and data separation or Systems engineers and admins who use Puppet to manage their deployments or People with some Puppet experience looking to ramp up their knowledge or Users familar with earlier versions of Hiera and Puppet that want to get up to speed with the latest features It is particularly useful for Puppet users wishing to further understand Hiera and data separation or Systems engineers and admins who use Puppet to manage their deployments or People with some Puppet experience looking to ramp up their knowledge or Users familar with earlier versions of Hiera and Puppet that want to get up to speed with the latest features.
Enroll now: The Complete Hiera Course: A Puppet Masterclass
Summary
Title: The Complete Hiera Course: A Puppet Masterclass
Price: $64.99
Average Rating: 4.42
Number of Lectures: 37
Number of Published Lectures: 37
Number of Curriculum Items: 37
Number of Published Curriculum Objects: 37
Original Price: $39.99
Quality Status: approved
Status: Live
What You Will Learn
Who Should Attend
Target Audiences
Puppet is a powerful tool for managing infrastructure and has been helping people with config management for over a decade. One of Puppet’s most valuable features that sets it apart from other tools is how it is able to manage configuration data using Hiera.
Hiera is much more than a key value store and the latest Hiera 5 release contains a whole host of features designed to make managing large amounts of data efficient and easy.
This is a course aimed at people who have already had exposure to Puppet and want to further expand their knowledge by mastering Hiera. This course will leave you with all the tools you need to manage even the most complex of infrastructures, write re-usable and sharable Puppet modules and reduce spaghetti code by learning about data separation and hierarchical lookups.
The topics in this course cover all the latest cutting edge and newly released features that we see in Hiera 5 and Puppet 6, don’t get left behind!
This course includes topics such as;
Overview of the data management problem
Introduction to Hiera, the lookup sub-system of Puppet
Configuring Hiera
Building dynamic lookup hierarchies
Using facts and variables in Hiera data
In-data Hiera functions
How to use puppet lookup from the command line
The lookup puppet function
How to use automatic data binding to resolve class parameters
Data merging and cascading
Data-in-modules to replace the legacy ‘params.pp’ pattern
Securing sensitive data with Hiera-Eyaml
Course Curriculum
Chapter 1: Welcome
Lecture 1: Introduction
Chapter 2: An Introduction to Hiera
Lecture 1: Understanding The Data Problem
Lecture 2: Introducing Hiera
Lecture 3: Data Separation
Lecture 4: Hierarchical Lookups
Chapter 3: Setup
Lecture 1: Environment Setup
Chapter 4: Configuring Hiera
Lecture 1: Configuration Overview
Lecture 2: Creating a minimal Hiera configuration
Chapter 5: Hiera Basics
Lecture 1: Overview of Hiera data
Lecture 2: Adding data to Hiera
Lecture 3: Using the puppet lookup command from the CLI
Lecture 4: Querying data using the lookup function in Puppet code
Lecture 5: Automatic data bindings
Chapter 6: Working with Hierarchies
Lecture 1: Overview of configuring dynamic hierarchies
Lecture 2: Constructing our first dynamic hierarchy
Lecture 3: Classroom Prep: Provisioning a second VM
Lecture 4: Overriding values in the hierarchy
Chapter 7: Dynamic Data
Lecture 1: Using facts to create dynamic data
Lecture 2: Overview of Hiera functions
Lecture 3: Using the alias function
Lecture 4: Using the lookup function
Lecture 5: A look at the literal function and conclusion
Chapter 8: Lookup Behaviours
Lecture 1: Overview of lookup behaviours
Lecture 2: Using the unique merge behaviour
Lecture 3: Merging hashes with the hash and deep behaviours
Lecture 4: Controlling lookup behaviour with lookup_options
Chapter 9: Using Hiera for class parameter defaults
Lecture 1: Understanding the params pattern
Lecture 2: Hiera configuration levels
Lecture 3: Digging deeper into data in modules
Chapter 10: Managing secrets with Hiera using Eyaml
Lecture 1: An introduction to Hiera Eyaml
Lecture 2: Installation and setup of Eyaml
Lecture 3: Creating Eyaml keys
Lecture 4: Configuring Eyaml
Lecture 5: Encrypting data
Lecture 6: Decrypting data
Lecture 7: Using eyaml edit to add data to Hiera
Lecture 8: Configuring Hiera to use Eyaml
Instructors

Craig Dunn
Freelance Automation Consultant & Trainer
Rating Distribution
Frequently Asked Questions
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