--- - name: Fail if required Heisenbridge settings not defined ansible.builtin.fail: msg: >- You need to define a required configuration setting (`{{ item.name }}`). when: "item.when | bool and vars[item.name] == ''" with_items: - {'name': 'matrix_heisenbridge_container_network', when: true} - {'name': 'matrix_heisenbridge_homeserver_url', when: true}