ansible.basics/tasks/main.yml

---
# tasks file for basics

## Modify /etc/hosts {{{

- name: Config host - Set 127.0.0.1 line in hosts file
  lineinfile:
    dest: /etc/hosts
    state: present
    regexp: "^{{ ansible_lo.ipv4.address }}"
    line: "{{ ansible_lo.ipv4.address }}	{{ basics__hosts_localhost_content }}"
    backup: yes
  when: (basics__hosts_localhost_manage and
         ansible_lo.ipv4.address is defined)

- name: Config host - Set ipv4 line in hosts file
  lineinfile:
    dest: /etc/hosts
    state: present
    regexp: "^{{ ansible_default_ipv4.address }}"
    line: "{{ ansible_default_ipv4.address }}	{{ basics__hosts_ipv4_content }}"
    backup: yes
  when: (basics__hosts_ipv4_manage and
         ansible_default_ipv4.address is defined)

- name: Config host - Purge other lines with hostname
  lineinfile:
    dest: /etc/hosts
    state: absent
    regexp: '^(?!({{ ansible_default_ipv4.address }})).*{{ ansible_hostname }}'
    backup: yes
  when: (basics__hosts_ipv4_manage and
         ansible_default_ipv4.address is defined)

## }}}

## Proxmox {{{

- name: Disable modification of /etc/hosts by Proxmox
  file:
    path: /etc/.pve-ignore.hosts
    state: '{{ "touch" if basics__proxmox_disable_hosts else "absent" }}'
  when:  ansible_virtualization_type == "lxc"

## }}}