Getting Started with Puppet

Description

In this course, you will :

• Learn how to write proper Puppet code quickly to automate the day-to-day configuration of your IT infrastructure.
• You'll begin by becoming acquainted with Puppet.
• Learn how to make decisions with conditionals, how to use complex variables, and how to integrate Forge modules.
• Investigate various variables and templates.
• You will be able to write code in Puppet DSL by the end of this course.

Syllabus :

1. Understanding Infrastructure as Code

•   Infrastructure As Code 
•  The Need For Configuration Management 
•  Why Puppet? 
•  The Resource Abstraction Layer 
•  The Puppet Agent Run Lifecycle 
•  Idempotence 

 

2. Building Your Practice Lab

•  Centos and Workstation Pro 
•  Remote Access with SSH 
•  Editing Text Files with Nano 
•  Editing Text Files with VI 
•  Prepping the Base VM 
•  Cloning a VM 
•  Hostname and Static IP 
•  Install the Puppet Server 
•  Install the Puppet Agent 
•  Sign the Agent Certificate 
•  Run Remote Commands with Bolt 

 

3. Learning the Target Application

•  Setup the App VMS 
•  App Server Install Packages 
•  App Server Edit Config Files 
•  App Server Enable Service 
•  DB Server 
•  Testing the Application 

 

4. Writing Manifests and Classes

•   Your First Manifest 
•  Your First Module 
•  Scoped Classes 
•  Refactoring the Module 
•  Module Summary 
•  Using The Documentation 

 

5. Managing the Big Three: Packages, Files, and Services

•   The Package Resource 
•  The File Resource 
•  The Service Resource 
•  Resource Ordering 
•  Testing Relationships 

 

6. Using Variables and Templates

•  Creating a Template 
•  Using a Template 
•  Solution 
•  Parameterizing a Class 

 

7. Using Facts and Conditionals

•  Using the Facts Hash 
•  Challenge 
•  Using Conditionals 
•  Looping Through a Hash 

 

8. Simplifying Your Deployments

•  Installing Modules from the Forge 
•  Incorporating the Postgres Module 
•  Incorporating the Firewalld Module 
•  Connecting the Database 
•  Roles and Profiles 
•  Placing Classes in Profiles 
•  Placing Profiles in Roles 
•  Classifying Nodes Through Roles 
•  Welcome to Hiera 
•  Looking up to Hiera 
•  Building the Data Sources 
•  Testing Hiera 

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