--- - name: generate filesystem uuids local_action: command uuid -v4 with_items: "{{filesystems}}" register: _filesystems_uuids changed_when: false - name: set filesystems set_fact: filesystems: "{{lookup('template','filesystems.json.j2')}}" # - debug: # msg: # _filesystems_uuids: "{{_filesystems_uuids}}" # filesystems: "{{filesystems}}"