--- - name: restart nginx_exporter become: true become_user: root service: name: nginx_exporter state: "{{ (nginx_exporter_service_state != 'stopped') | ternary('restarted', 'stopped') }}" use: "{{ prometheus_exporter_service_mgr }}" when: nginx_exporter_service_notify and ( _nginx_exporter_service_state is not defined or not ( _nginx_exporter_service_state is changed ))