kubespray/roles/etcd/tasks/refresh_config.yml

---
- name: Refresh config | Create etcd config file
  template:
    src: etcd.env.j2
    dest: /etc/etcd.env
    mode: 0640
  notify: restart etcd
  when: is_etcd_master and etcd_cluster_setup

- name: Refresh config | Create etcd-events config file
  template:
    src: etcd-events.env.j2
    dest: /etc/etcd-events.env
    mode: 0640
  notify: restart etcd-events
  when: is_etcd_master and etcd_events_cluster_setup