Ansible troubleshooting - Error 702: meta-no-tags
How to Solve the Ansible Error 702 meta-no-tags
Automation is a powerful ally for modern IT operations, and Ansible stands as one of the leading tools for managing complex tasks. When you’re working with Ansible, you often organize your automation logic into roles. Roles encapsulate a collection of tasks, templates, and variables that help automate specific functions within your infrastructure. However, even in the realm of automation, there are rules and conventions to follow to ensure your work is both efficient and understandable. Ansible Rule 702, “
meta-no-tags,” focuses on a particular aspect of role management: metadata tags.
Understanding Metadata Tags
In Ansible, metadata tags are used to categorize and label roles and tasks. Tags help you filter and execute specific roles or tasks in your playbook. When it comes to organizing and naming these tags within the metadata of a role, Rule 702 comes into play.
The Significance of Rule 702
Rule 702, “
meta-no-tags,” checks role metadata for tags with special characters and uppercase letters. It enforces the convention of using only lowercase letters and numbers for tags in the
meta/main.yml file in an Ansible Role.
This might seem like a minor detail, but adhering to this rule is essential for maintaining consistent and organized Ansible roles.
Problematic Code vs. Correct Code
Let’s illustrate the difference between problematic code that violates Rule 702 and the correct code that aligns with the rule’s recommendations.
Metadata tags contain uppercase letters and special characters.
--- galaxy_info: author: Test description: test company: Test license: GPL-2.0-or-later min_ansible_version: 2.1 galaxy_tags: [MyTag#1, MyTag&^-] dependencies: 
WARNING Listing 4 violation(s) that are fatal meta-no-tags: Tags must contain lowercase letters and digits only., invalid: 'MyTag#1' 702/meta/main.yml:1 meta-no-tags: Tags must contain lowercase letters and digits only., invalid: 'MyTag&^-' 702/meta/main.yml:1 role-name: Role name 702 does not match ``^[a-z][a-z0-9_]*$`` pattern. 702/meta/main.yml:1 schema[meta]: $.galaxy_info.min_ansible_version 2.1 is not of type 'string'. See https://docs.ansible.com/ansible/latest/playbook_guide/playbooks_reuse_roles.html#using-role-dependencies 702/meta/main.yml:1 Returned errors will not include exact line numbers, but they will mention the schema name being used as a tag, like ``schema[playbook]``, ``schema[tasks]``. This rule is not skippable and stops further processing of the file. If incorrect schema was picked, you might want to either: * move the file to standard location, so its file is detected correctly. * use ``kinds:`` option in linter config to help it pick correct file type. Read documentation for instructions on how to ignore specific rule violations. Rule Violation Summary count tag profile rule associated tags 1 role-name basic deprecations, metadata 1 schema[meta] basic core 2 meta-no-tags shared metadata Failed: 4 failure(s), 0 warning(s) on 1 files. Last profile that met the validation criteria was 'min'.
The Best Resources For Ansible
- CYBER DEALS at The Linux Foundation! Up to 65% off, and a FREE GIFT with EVERY PURCHASE! Limited Time, Don't Delay!
- Udemy: Learn Ansible Automation in 250+examples & practical lessons: Learn Ansible with some real-life examples of how to use the most common modules and Ansible Playbook
- Ansible by Examples: 200+ Automation Examples For Linux and Windows System Administrator and DevOps
- Ansible Cookbook: A Comprehensive Guide to Unleashing the Power of Ansible via Best Practices, Troubleshooting, and Linting Rules with Luca Berton
- Ansible For Windows By Examples: 50+ Automation Examples For Windows System Administrator And DevOps
- Ansible For Linux by Examples: 100+ Automation Examples For Linux System Administrator and DevOps
- Ansible Linux Filesystem By Examples: 40+ Automation Examples on Linux File and Directory Operation for Modern IT Infrastructure
- Ansible For Security by Examples: 100+ Automation Examples to Automate Security and Verify Compliance for IT Modern Infrastructure
- Ansible Tips and Tricks: 10+ Ansible Examples to Save Time and Automate More Tasks
- Ansible Linux Users & Groups By Examples: 20+ Automation Examples on Linux Users and Groups Operation for Modern IT Infrastructure
- Ansible For PostgreSQL by Examples: 10+ Examples To Automate Your PostgreSQL database
- Ansible For Amazon Web Services AWS By Examples: 10+ Examples To Automate Your AWS Modern Infrastructure
- Ansible Automation Platform By Example: A step-by-step guide for the most common user scenarios
--- # Metadata tags contain only lowercase letters and numbers. galaxy_info: galaxy_tags: [mytag1, mytag2]
As demonstrated in the correct code, it’s important to stick to lowercase letters and numbers for your metadata tags. Avoid uppercase letters and special characters, as they can lead to inconsistencies and confusion when managing your roles and tasks.
Why Conform to Rule 702?
Adhering to Rule 702 brings several benefits to your Ansible role management:
1. Consistency: Using consistent naming conventions across roles and tasks makes it easier for you and your team to quickly identify and work with specific automation components.
2. Readability: Clean and well-organized metadata tags improve the readability of your roles and tasks, which is crucial for maintaining and troubleshooting your automation scripts.
3. Ease of Maintenance: When everyone follows the same conventions, it becomes much simpler to maintain and expand your roles over time.
In conclusion, Ansible Rule 702, “
meta-no-tags,” ensures that your roles and tasks have consistent and readable metadata tags. By adhering to this rule, you enhance the manageability and maintainability of your Ansible automation, which is crucial for any successful IT operation. It’s a simple yet effective practice that can significantly impact the efficiency and reliability of your automation workflow.
Learn the Ansible automation technology with some real-life examples in my
My book Ansible By Examples: 200+ Automation Examples For Linux and Windows System Administrator and DevOps
Want to keep this project going? Please donate