Effective variable management is crucial for creating flexible and maintainable Ansible playbooks and roles. Here are some best practices:
group_vars
, host_vars
, and role-specific variables.defaults
to set default values for variables within roles. This allows users to override them if needed.vars
to define variables that are specific to a particular playbook or role.Here is an example of how to define and use variables in a playbook:
---
- name: Example Playbook
hosts: all
vars:
example_variable: "Hello, World!"
tasks:
- name: Print example variable
debug:
msg: "{{ example_variable }}"
By following these best practices, you can ensure that your Ansible playbooks and roles are flexible, secure, and easy to maintain.