---
- name: Add buster-backports to apt sources
  apt_repository:
    repo: deb {{ debian_mirror }} buster-backports main
    state: present
  when:
    - ansible_distribution == "Debian"
    - ansible_distribution_major_version | int == 10
    - ansible_distribution_release == "buster"

- name: Use buster-backports to install keepalived
  template:
    src: apt/preferences.d/keepalived.j2
    dest: /etc/apt/preferences.d/keepalived
    owner: root
    group: root
    mode: 0644
  when:
    - ansible_distribution == "Debian"
    - ansible_distribution_major_version | int == 10
    - ansible_distribution_release == "buster"

- name: Install keepalived
  apt:
    update_cache: true
    name: keepalived
  register: apt_result
  retries: 3
  until: apt_result is succeeded

- name: Deploy keepalived configuration
  template:
    src: keepalived/keepalived.conf.j2
    dest: /etc/keepalived/keepalived.conf
    mode: 0644
  notify: Reload keepalived.service

- name: Create keepalived service directory for systemd
  file:
    path: /etc/systemd/system/keepalived.service.d
    owner: root
    group: root
    mode: 0755
    state: directory

- name: Override keepalived StopPost to stop some services after keepalived switch
  template:
    src: systemd/system/keepalived.service.d/override.conf.j2
    dest: /etc/systemd/system/keepalived.service.d/override.conf
    owner: root
    group: root
    mode: 0644

- name: Start and enable keepalived
  service:
    name: keepalived
    daemon-reload: true
    state: started
    enabled: true