---
- name: Ensure share directory exists
  ansible.builtin.file:
    path: "{{ rear_vars_nfs_share[rear_backup_workflow]['share'] }}"
    state: directory
    mode: "0777"
    owner: root
    group: root

# We should use Ansible to determine disk space, not command/shell:
- name: Debug mounts
  ansible.builtin.debug:
    var: ansible_facts['mounts']

- name: Check disk space on ReaR Backup filesystem for NFS servers
  ansible.builtin.shell: |
    set -o pipefail
    df -BG {{ rear_vars_nfs_share[rear_backup_workflow]['share'] }} | tail -1 | awk '{print substr($4, 1, length($4)-1)}'
  register: disk_space
  changed_when: false

- name: Debug disk_space
  ansible.builtin.debug:
    var: disk_space

- name: Fail job if less than 50GB space
  ansible.builtin.fail:
    msg: ReaR NFS server {{ inventory_hostname }} has less than 50GB of space on filesystem."
  when: (disk_space.stdout|int <= 50)

- name: Validate IP address fact
  ansible.builtin.fail:
    msg: "Missing client_ips variable"
  when:
    - client_ips is not defined

- name: Add remote hosts to /etc/exports
  ansible.builtin.lineinfile:
    path: /etc/exports
    state: present
    line: "{{ rear_vars_nfs_share[rear_backup_workflow]['share'] }} {{ _options }}"
    create: true
    mode: "0644"
    owner: root
    group: root
  loop: "{{ client_ips | list | flatten }}"
  vars:
    _options: "{{ item }}(fsid={{ rear_vars_nfs_share[rear_backup_workflow]['fsid'] }},rw,sync,no_subtree_check,crossmnt)"
  notify: Export share