Prefixing Role and Project Variables in Ansible
Prefix role variables with the role name and project variables with a project-specific prefix.
Ansible Coding and Configuration Guidelines
Ansible coding and configuration guidelines.
Using item and loop_var in Ansible Loops
Use item as the default loop variable. Reserve loop_control.loop_var for cases where item would collide across loop boundaries, such as nested loops and include_tasks.
Dot Notation vs Bracket Notation in Ansible and Jinja
Prefer dot notation for fixed keys. Use bracket notation only when dot notation cannot express the access safely or correctly.
Avoid Hardcoding Download URLs and Paths in Tasks
Define download URLs and paths in variables instead of hardcoding them in tasks.
Slashes vs Backslashes When Targeting MS Windows Hosts
When targeting MS Windows hosts, use slashes for all paths. Convert to backslashes only if necessary.
Using Tags in Ansible Roles
Use a consistent tagging structure in Ansible roles to make playbook runs more targeted and maintainable.
Dictionary Merging in Ansible Inventories
Use dictionary merging deliberately and predictably in Ansible inventories to keep overrides maintainable.
Keep Variable and Identifier Names Short and Consistent
Prefer short, consistent names that reduce noise without making variables or identifiers unclear.
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