---
- name: RAID | Check whether array already exists
  ansible.builtin.command: "mdadm --detail {{ gpu_model_storage_raid_device }}"
  register: _md_detail
  changed_when: false
  failed_when: false

- name: RAID | Create RAID1 array from partition 5 on each device
  ansible.builtin.command: >
    mdadm --create {{ gpu_model_storage_raid_device }}
    --level=1 --raid-devices={{ gpu_model_storage_devices | length }}
    --metadata=1.2 --run
    {{ gpu_model_storage_devices | map('regex_replace', '$', '5') | join(' ') }}
  when: _md_detail.rc != 0

- name: RAID | Read current mdadm scan output
  ansible.builtin.command: mdadm --detail --scan
  register: _mdadm_scan
  changed_when: false

- name: RAID | Persist array definition in /etc/mdadm.conf
  ansible.builtin.lineinfile:
    path: /etc/mdadm.conf
    line: "{{ item }}"
    regexp: "^ARRAY {{ gpu_model_storage_raid_device }} "
  loop: "{{ _mdadm_scan.stdout_lines | select('search', gpu_model_storage_raid_device) | list }}"
  loop_control:
    label: "{{ gpu_model_storage_raid_device }}"