ansible.basics/tasks/main.yml

---
# tasks file for basics

## Modify /etc/hosts

- name: 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: 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)
  register: basics__register_ipv4_line

- name: Purge other lines with hostname
  lineinfile:
    dest: /etc/hosts
    state: absent
    regexp: '^(?!({{ ansible_default_ipv4.address }})).*{{ ansible_hostname }}'
    backup: yes
  when: basics__register_ipv4_line.changed

## }}}