---
- name: log to ramdisk
  lineinfile:
      path: /etc/systemd/journald.conf
      regexp: '^#?Storage='
      line: 'Storage=volatile'
  register: journald_conf

- name: restart systemd-journald
  when: journald_conf.changed
  systemd:
      name: systemd-journald.service
      state: restarted