Variables

Why Ansible include_tasks Variables Are Not Defined in the Parent Play You define a variable inside an include_tasks file. The task runs successfully. Then the very next task in your parent play fails with variable is undefined. What just happened? This is one of the most confusing Ansible behaviors, and it bites people repeatedly because it looks like a bug. It’s not — it’s a scoping decision — but understanding why it works this way helps you fix it fast. ...

Why Ansible register Variable Is Undefined in the Next Task You registered a variable in one task, and the next task fails with "msg": "The task includes an option with an undefined variable". The variable is right there — you can see it in the task above. What’s going on? This is one of the most common Ansible debugging rabbit holes. There are four distinct causes, and they look identical until you know what to look for. ...