---
# All rights reserved (c) 2021-2025, Vladimir Botka <vbotka@gmail.com>
# Simplified BSD License, https://opensource.org/licenses/BSD-2-Clause
# SPDX-License-Identifier: 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/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 al_debug={{ al_debug }}"
  when: al_debug | bool
  vars:
    msg: |-
      al_os_vars_path: {{ al_os_vars_path | d('UNDEFINED') }}
      ansible_os_family: {{ ansible_os_family }}
      ansible_distribution: {{ ansible_distribution }}
      ansible_distribution_release: {{ ansible_distribution_release }}
  ansible.builtin.debug:
    msg: "{{ '{}'.format(msg) }}"

- name: "Al_include_os_vars_path_incr: Test al_os_vars_path not defined."
  when: al_os_vars_path is not defined
  ansible.builtin.fail:
    msg: "[ERR] Variable al_os_vars_path not defined."

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

- name: "Al_include_os_vars_path_incr: vars from {{ al_os_vars_path ~ '/vars/defaults' }}"
  when: item is exists
  vars:
    my_path: "{{ al_os_vars_path }}/vars/defaults"
    options:
      - "{{ 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"
  register: result
  ansible.builtin.include_vars: "{{ item }}"
  loop: "{{ options | unique }}"

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

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

- name: "Al_include_os_vars_path_incr: vars from {{ al_os_vars_path ~ '/vars' }}"
  when: item is exists
  vars:
    my_path: "{{ al_os_vars_path }}/vars"
    options:
      - "{{ 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"
  register: result
  ansible.builtin.include_vars: "{{ item }}"
  loop: "{{ options | unique }}"

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

# EOF
...