---
- name: Install keepalived
  apt:
    name: keepalived

- name: Configure keepalived
  template:
    src: keepalived.conf
    dest: /etc/keepalived/keepalived.conf
    owner: root
    group: root
    mode: u=rw,g=,o=
  notify:
    - Reload keepalived

- name: Enable and start keepalived
  systemd:
    name: keepalived
    enabled: true
    state: started
...