ansible.builtin.none test – Return true if the variable is none.
Note
This test plugin is part of ansible-core and included in all Ansible
installations. In most cases, you can use the short
plugin name
none.
However, we recommend you use the Fully Qualified Collection Name (FQCN) ansible.builtin.none for easy linking to the
plugin documentation and to avoid conflicting with other collections that may have
the same test plugin name.
Synopsis
Return true if the variable is none.
This is the Jinja builtin test plugin ‘none’.
See: https://jinja.palletsprojects.com/en/stable/templates/#jinja-tests.none