disks.yaml

- name: install mdadm
  become: true
  become_user: root
  apt:
    update_cache: yes
    pkg:
    - mdadm

- name: check raid already exists
  become: true
  become_user: root
  shell: fdisk -l | grep -e 'md0' -e 'md127'
  ignore_errors: yes
  register: raid_exists

- name: wipe disks
  become: true
  become_user: root
  shell: sfdisk --delete {{ item }}
  with_items:
    - "{{ raw_disk_list }}"
  ignore_errors: yes
  when: raid_exists.rc != 0

- name: raid raw disks
  become: true
  become_user: root
  shell: echo y | mdadm --create /dev/md0 --level=0 --raid-devices={{ raw_disk_list|length }} {{ raw_disk_list | join(' ') }}
  when: raid_exists.rc != 0

- name: get raid device name
  become: true
  become_user: root
  shell: cat /proc/mdstat | grep md | awk '{print $1}'
  register: raid_name

- name: check mount
  become: true
  become_user: root
  shell: df -h | grep mnt
  ignore_errors: yes
  register: mount_mnt

- name: format disks with ext4
  become: true
  become_user: root
  shell: mkfs.ext4 /dev/{{ raid_name.stdout }}
  when: raid_name.rc == 0 and mount_mnt.rc != 0

- name: mount disks
  become: true
  become_user: root
  shell: mount /dev/{{ raid_name.stdout }} /mnt
  when: mount_mnt.rc != 0