computer-playbook/roles/nginx-www-redirect/tasks/main.yml

---
- name: Find all .conf
  ansible.builtin.find:
    paths: "/etc/nginx/conf.d/"
    patterns: '*.*.conf'
  register: conf_files

- name: Filter domain names and remove .conf extension and path
  set_fact:
    filtered_domains: "{{ conf_files.files | map(attribute='path') | map('regex_search', domain_regex) | select('string') | map('regex_replace', '^/etc/nginx/conf.d/', '') | map('regex_replace', '.conf$', '') | list }}"
  vars:
    domain_regex: '^/etc/nginx/conf.d/(?!www\.)[^/]+\.conf$'

- name: The domains for which a www. redirect will be implemented
  debug:
    var: filtered_domains

- name: Prepare redirect domain mappings
  set_fact:
    redirect_domain_mappings: "{{ filtered_domains | map('regex_replace', '^(.*)$', '{ source: \"www.\\1\", target: \"\\1\" }') | map('from_yaml') | list }}"

- name: Include nginx-domain-redirect role with dynamic domain mappings
  include_role:
    name: nginx-domain-redirect
  vars:
    domain_mappings: "{{ redirect_domain_mappings }}"