# code: language=ansible

- name: Add IPv4 address to /etc/hosts
  ansible.builtin.lineinfile:
    path: /etc/hosts
    line: "{{ ipv4_address }} {{ inventory_hostname }} {{ inventory_hostname_short }}"

- name: Ensure IPv4 loopback exists in /etc/hosts
  ansible.builtin.lineinfile:
    path: /etc/hosts
    line: "127.0.1.1 {{ inventory_hostname }} {{ inventory_hostname_short }}"

- name: Add IPv6 address to /etc/hosts
  when:
    - not (ipv4_only | default(false))
  ansible.builtin.lineinfile:
    path: /etc/hosts
    line: "{{ ipv6_address }} {{ inventory_hostname }} {{ inventory_hostname_short }}"

- name: Set hostname
  ansible.builtin.hostname:
    name: "{{ inventory_hostname }}"
    use: systemd