Work with Variables, Facts, and Registered Output

Variables and facts are the foundation of dynamic, reusable Ansible automation. In this lab, you will learn how to define, reference, and override variables at different levels.

You will:

• Define variables with vars: and reference them in tasks
• Use group_vars for per-group configuration
• Gather and display Ansible facts about managed hosts
• Create custom facts on managed nodes
• Register command output and use it in subsequent tasks

Key Resources:

• Using Variables
• Discovering Variables: Facts and Magic Variables