Red Hat RHCE 8 (EX294) Cert Guide

Chapter 6

Working with Variables and Facts

This chapter covers the following subjects:

• Understanding the Use of Variables in Ansible Playbooks

• Working with Ansible Facts

• Working with Variables

• Using Vault to Manage Sensitive Values

• Capturing Command Output Using register

The following RHCE exam objectives are covered in this chapter:

• Understand core components of Ansible

  • Variables

  • Facts

• Create Ansible plays and playbook

  • Use variables to retrieve the results of running a command

• Use advanced Ansible features

  • Use Ansible Vault in playbooks to protect sensitive data

“Do I Know This Already?” Quiz

The “Do I Know This Already?” quiz allows you to assess whether you should read this entire chapter thoroughly or jump to the “Exam Preparation ...