кое-что есть

$ ansible-doc -t inventory -l | grep -i script
script Executes an inventory script that returns JSON

$ ansible-doc -t inventory script

> SCRIPT (/usr/lib/ python3.7/ site-packages/ ansible/ plugins /inventory/script.py)

The source provided must be an executable that returns Ansible inventory
JSON The source must accept `--list' and `--host <hostname>' as arguments.
`--host' will only be used if no `_meta' key is present. This is a
performance optimization as the script would be called per host otherwise.

[...]

осталось найти примеры на этот плагин script.