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Red Hat Certified Engineer (RHCE) Study Guide: Ansible Automation for the Red Hat Enterprise Linux 8 Exam (EX294)
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Red Hat Certified Engineer (RHCE) Study Guide: Ansible Automation for the Red Hat Enterprise Linux 8 Exam (EX294)

by Andrew Mallett
March 2021
Intermediate to advanced
232 pages
3h 25m
English
Apress
Content preview from Red Hat Certified Engineer (RHCE) Study Guide: Ansible Automation for the Red Hat Enterprise Linux 8 Exam (EX294)
© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021
A. MallettRed Hat Certified Engineer (RHCE) Study Guidehttps://doi.org/10.1007/978-1-4842-6861-2_7

7. Working with Variables and Facts

Andrew Mallett1  
(1)
Peterborough, UK
 

We have already touched upon both variables and facts with previous examples that we have used and learned. In this chapter we can really consolidate that knowledge by investigating facts that can be collected or gathered on managed devices. That includes retrieving items such as the IP address, hostname, and fully qualified domain name. The previous are all facts that can be used as variables in the Playbook, either in clauses to control execution or as values to keys. We will extend the ...

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