---
# All rights reserved (c) 2021-2024, Vladimir Botka <vbotka@gmail.com>
# Simplified BSD License, https://opensource.org/licenses/BSD-2-Clause

# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# ansible_lib: al_include_os_vars_path_incr
#
# Description: Include OS specific variables from al_os_vars_path incrementally
#
# Input:
#
#   al_os_vars_path ................ directory to read variables from
#
# Output: none
#
# Example:
#
#   vars:
#     al_os_vars_path: "{{ playbook_dir }}"
#   tasks:
#     - include_role:
#         name: vbotka.ansible_lib
#         tasks_from: al_include_os_vars_path_incr.yml
#
# Notes:
#
#   1) Create files vars/defaults/default.yml and vars/default.yml (at
#      least empty).
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
# https://github.com/vbotka/ansible-lib/blob/master/tasks/al_include_os_vars_path_incr.yml

# Debug and Test input variable al_os_vars_path - - - - - - - - - - - - - - - - - - - - - -

- name: "Al_include_os_vars_path_incr: Debug"
  vars:
    msg: |-
      al_os_vars_path: {{ al_os_vars_path | d('UNDEFINED') }}
  ansible.builtin.debug:
    msg: "{{ '{}'.format(msg) }}"
  when: al_debug | bool

- name: "Al_include_os_vars_path_incr: Test al_os_vars_path not defined"
  ansible.builtin.fail:
    msg: Variable al_os_vars_path not defined. End of play.
  when: al_os_vars_path is not defined

# Default variables - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

- name: "Al_include_os_vars_path_incr: vars from {{ al_os_vars_path ~ '/vars/defaults' }}"
  ansible.builtin.include_vars: "{{ item }}"
  # register: result
  loop:
    - "{{ my_path }}/defaults.yml"
    - "{{ my_path }}/default.yml"
    - "{{ my_path }}/{{ ansible_os_family }}.yml"
    - "{{ my_path }}/{{ ansible_distribution }}.yml"
    - "{{ my_path }}/{{ ansible_distribution }}-{{ ansible_distribution_release }}.yml"
  when: item is exists
  vars:
    my_path: "{{ al_os_vars_path }}/vars/defaults"

# - name: "al_include_os_vars_path_incr: Debug include default vars"
#   ansible.builtin.debug:
#     var: result
#   when: al_debug | bool

# Custom variables - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

- name: "Al_include_os_vars_path_incr: vars from {{ al_os_vars_path ~ '/vars' }}"
  ansible.builtin.include_vars: "{{ item }}"
  # register: result
  loop:
    - "{{ my_path }}/defaults.yml"
    - "{{ my_path }}/default.yml"
    - "{{ my_path }}/{{ ansible_os_family }}.yml"
    - "{{ my_path }}/{{ ansible_distribution }}.yml"
    - "{{ my_path }}/{{ ansible_distribution }}-{{ ansible_distribution_release }}.yml"
  when: item is exists
  vars:
    my_path: "{{ al_os_vars_path }}/vars"

# - name: "al_include_os_vars_path_incr: Debug include custom vars"
#   ansible.builtin.debug:
#     var: result
#   when: al_debug | bool

# EOF
...