Ansible troubleshooting — Error 207: Jinja Invalid

How to Solve the Ansible Error 207: jinja[invalid]

Introduction

Ansible, the popular automation tool, leverages the power of Jinja2 templates to enable dynamic configurations, data manipulation, and conditional processing in playbooks. However, using Jinja2 templates effectively and correctly is essential to ensure that your Ansible playbooks run without errors. In this article, we’ll explore Ansible Error 207, “`jinja[invalid]”, which focuses on the detection of invalid Jinja2 templates in your Ansible playbooks. We’ll discuss the importance of template validity and how adhering to best practices can help you avoid runtime errors and maintain the reliability of your automation tasks.

The Problem: Detecting Invalid Jinja2 Templates

Ansible Error 207, “`jinja[invalid]`”, is designed to identify invalid Jinja2 templates within your playbooks. Invalid templates, such as double curly braces within an expression (e.g., {{ {{ ‘1’ }} }}), can result in runtime errors if you attempt to use them with Ansible, even if they pass the Ansible syntax check.

Problematic Code Example:

---
- name: Example error 207
  hosts: all
  tasks:
    - name: Error 207…