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

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

- name: Restore the server
  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 /etc/rear 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: Update menu item for ReaR in Grub config
      ansible.builtin.include_role:
        name: rhc.rear.rear_grub_cfg

    - name: Flush handlers to update grub.cfg
      ansible.builtin.meta: flush_handlers

    - name: Restore the server using ReaR backup
      ansible.builtin.command: "grub2-reboot 'Relax-and-Recover {{ rear_vars_grub_label }}'"

    - name: Reboot host to restore server
      ansible.builtin.import_role:
        name: verified_reboot

    - name: Cleanup leftover artifacts
      ansible.builtin.file:
        path: "{{ item }}"
        state: absent
      loop:
        - "{{ rear_restore_tmpdir }}"
        - "{{ rear_restore_file['files'] | json_query('[].path') }}"
        - "{{ rear_backup_success_file_path }}/{{ rear_backup_workflow }}_rear_success"

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

    - name: Show ReaR restore results
      ansible.builtin.debug:
        msg: "ReaR restore has successfully completed."