While (most) actions in Ansible modules are idempotent the entire playbook is not. So how your system is going to look at the end of a run is highly dependent o

While (most) actions in Ansible modules are idempotent the entire playbook is not. So how your system is going to look at the end of a run is highly dependent on the order of everything in your YAML files and the current state of the system. You can ensure a file exists in and part and remove the directory containing it in another, and you are non the wiser unless you run the playbook multiple times and pay attention to the changes.