---
- name: Backup Protocol
  hosts: all
  become: true
  become_method: sudo
  collections:
    - community.docker
    - community.general
  vars:
    env_backups_to_keep: 10
  tasks:
    - name: Run container mounts backup
      ansible.builtin.import_role:
        name: docker_backup
      vars:
        backup_rules: "{{ item }}"
      when: docker_backup is defined and docker_backup | length != 0
      loop: "{{ docker_backup }}"

    - name: Stat the /root/infrastructure-compose folder
      ansible.builtin.stat:
        path: "/root/infrastructure-compose"
      register: infra_compose_stat

    - name: Find all .env files
      ansible.builtin.find:
        paths: "/root/infrastructure-compose"
        patterns: ".*.env"
      when: infra_compose_stat.stat.exists
      register: all_env_files

    - name: .env Backup block
      when: infra_compose_stat.stat.exists and all_env_files.files is defined and all_env_files.files | length != 0
      block:
        - name: Archive .env files
          community.general.archive:
            path: "{{ all_env_files.files }}"
            dest: >-
              /backup/env/{{ inventory_hostname }}_{{ now().strftime("%Y%m%d%H%M%S") }}.tar.gz
            format: gz
            force_archive: true

        - name: Find all .env backup files for the current host
          ansible.builtin.find:
            paths: "/backup/env"
            patterns: "{{ inventory_hostname }}*"
          register: backup_env_files

        - name: If too many backups kept
          when: backup_env_files.files | length > env_backups_to_keep
          block:
            - name: Get the oldest file paths
              ansible.builtin.set_fact:
                oldest_file_paths: >-
                  {{ (backup_env_files.files | sort(attribute='mtime'))[:backup_env_files.files | length - env_backups_to_keep] |
                      map(attribute=path) | list }}
              
            - name: Remove the files
              ansible.builtin.file:
                path: "{{ item }}"
                state: absent
              loop: "{{ oldest_file_paths }}"