---
- name: Check for backup log presence
  ansible.builtin.stat:
    path: "/var/log/rear/rear-{{ ansible_hostname }}.log"
  register: rear_backup_log_presence

- name: End host if ReaR backup already exists
  when:
    - rear_backup_log_presence['stat']['exists'] | bool
    - not rear_force_backup | default(false) | bool
  block:
    - name: Validate ReaR backup completion
      ansible.builtin.command:
        cmd: "grep 'Finished running mkbackup workflow' /var/log/rear/rear-{{ ansible_hostname }}.log"
      register: validate_backup_log
      failed_when: validate_backup_log['rc'] not in [0,1]

    - name: End play if ReaR already exists
      ansible.builtin.meta: end_host
      when:
        - validate_backup_log['rc'] == 0

- name: Ensure nfs-utils and rear packages are present
  ansible.builtin.package:
    name:
      - nfs-utils
      - rear
    state: present

- name: Check connectivity to NFS servers
  ansible.builtin.wait_for:
    host: "{{ item }}"
    port: 2049
    timeout: 30
  loop: "{{ nfs_np }}"
  ignore_errors: true
  register: active_nfs_servers

- name: Define single NFS server
  ansible.builtin.set_fact:
    nfs_srv: "{{ active_nfs_servers | json_query(_nfs_query) | random }}"
  vars:
    _nfs_query: "results[?failed==`false`].item"

- name: Create /etc/rear if it doesn't exist
  ansible.builtin.file:
    path: /etc/rear
    state: directory
    mode: "0755"
    owner: root
    group: root

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

- name: ReaR Backup
  block:
    - name: Execute ReaR backup
      ansible.builtin.command: rear -d -v mkbackup
      changed_when: true
      register: rear_mkbackup

    - name: Update ReaR Grub menu item
      ansible.builtin.lineinfile:
        path: "{{ rear_grub_conf }}"
        regexp: '^menuentry '
        line: "menuentry '{{ rear_grub_label }}' --class os {"
        state: present
      notify: Update Grub

    - name: ReaR backup success
      ansible.builtin.debug:
        msg: "ReaR backup has completed successfully."
  rescue:
    - name: ReaR backup failed
      ansible.builtin.fail:
        msg: "ReaR backup has failed. Please review the logs for any errors, and try again."

- name: Verify ReaR configuration is present
  ansible.builtin.stat:
    path: /etc/rear
  register: rear_config_stat

- name: Create backup of ReaR configuration files
  community.general.archive:
    path: /etc/rear
    dest: /root/etc-rear-backup.tar.gz
    format: gz
    force_archive: true
    mode: "0600"
  when:
    - rear_config_stat['stat']['exists'] | bool