vn-ansible/roles/linux-hostname/tasks/main.yml

# https://docs.ansible.com/ansible/latest/collections/ansible/builtin/hostname_module.html#ansible-collections-ansible-builtin-hostname-module

- name: Set the hostname in /etc/hostname
  ansible.builtin.hostname:
    name: "{{ hostname }}"
    use: debian
- name: Replace /etc/hosts
  template:
    src: hosts.j2
    dest: /etc/hosts
    owner: root
    group: root
    mode: '0644'
    backup: true
- name: Replace /etc/resolv.conf
  template:
    src: resolv.j2
    dest: /etc/resolv.conf
    owner: root
    group: root
    mode: '0644'
    backup: true
  when: resolv_enabled