---
- name: ReaR Restore Playbook
  hosts: all
  gather_facts: true
  become: false

  tasks:
    - name: Import rear_vars role
      ansible.builtin.import_role:
        name: rhc.rear.rear_vars

    - name: Check if ReaR restore was already completed
      ansible.builtin.find:
        paths:
          - /var/tmp
        patterns:
          - rear_restore*
      register: rear_restore_file

    - name: Check for previous restore and end host if already completed
      when:
        - rear_restore_file['files'] | length > 0
      block:
        - name: Check for ReaR restore
          ansible.builtin.debug:
            msg: "ReaR restore was already completed - {{ rear_restore_file['files'] | json_query('[].path') | string }}"

        - name: End host for servers that already completed a ReaR restore
          ansible.builtin.meta: end_host

    - name: Check if configuration backup exists
      ansible.builtin.stat:
        path: "/root/etc-rear-backup-{{ rear_backup_workflow }}.tar.gz"
      register: rear_config_backup_stat

    - name: Create tmpdir and extract archive
      when:
        - rear_config_backup_stat['stat']['exists'] | bool
      block:
        - name: Create tmpdir
          ansible.builtin.file:
            path: "{{ rear_restore_tmpdir }}"
            state: directory
            mode: "0755"

        - name: Extract archive contents
          ansible.builtin.unarchive:
            remote_src: true
            src: "/root/etc-rear-backup-{{ rear_backup_workflow }}.tar.gz"
            dest: "{{ rear_restore_tmpdir }}"

        - name: Copy local.cfg from backup into /etc/rear
          ansible.builtin.copy:
            src: "{{ rear_restore_tmpdir }}/rear/local.conf"
            dest: /etc/rear/local.conf
            remote_src: true
            mode: "0600"

        - name: Rebuild ReaR initrd
          ansible.builtin.command:
            cmd: rear -d -v mkrescue
          register: rear_initrd_cmd

        - name: Cleanup leftover artifacts
          ansible.builtin.file:
            path: "{{ item }}"
            state: absent
          loop:
            - "{{ rear_backup_success_file_path }}/{{ rear_backup_workflow }}_rear_success"
            - "{{ rear_restore_tmpdir }}"

        - name: Create file for ReaR restore success
          ansible.builtin.file:
            path: "/var/tmp/rear_restore.{{ ansible_date_time.iso8601_basic }}"
            state: touch
            mode: "0664"

    # - name: Import rear_vars role
    #   ansible.builtin.import_role:
    #     name: rhc.rear.rear_vars

    # - name: Configure ReaR local.conf file
    #   ansible.builtin.include_role:
    #     name: rhc.rear.rear_local_cfg

    # - name: Perform ReaR restore
    #   ansible.builtin.include_role:
    #     name: rhc.rear.rear_restore