Ansible troubleshooting — undefined variable

How to reproduce the `undefined variable` error in Ansible, troubleshooting, and fix to be able to successfully print the value of a variable on screen.

Today we’re going to talk about Ansible troubleshooting, specifically about the undefined variable errors.

I’m Luca Berton and welcome to today’s episode of Ansible Pilot.

demo

The best way of talking about Ansible troubleshooting is to jump in a live demo to show you practically the undefined variable error and how to solve it!

• underfinedvariable_error.yml

---
- name: debug module demo
  hosts: all
  tasks:
    - name: debug message
      ansible.builtin.debug:
        msg: "{{ fruit }}"

execution

$ ansible-playbook troubleshooting/undefinedvariable_error.yml
PLAY [file module demo] ***************************************************************************
TASK [Gathering Facts] ****************************************************************************