kubespray/roles/etcd/handlers/main.yml

---
- name: restart etcd
  command: /bin/true
  notify:
    - reload systemd
    - reload etcd

- name: reload systemd
  command: systemctl daemon-reload
  when: init_system == "systemd"

- name: reload etcd
  service:
    name: etcd
    state: restarted