---
# Role: disk_setup
# Erkennt und mountet zusätzliche Datendisks (z.B. /dev/sdb auf DBS01)
# Wird nur ausgeführt wenn data_disk_device definiert und Disk vorhanden ist

- name: "Prüfen ob Data-Disk vorhanden ist"
  stat:
    path: "{{ data_disk_device }}"
  register: data_disk_stat
  when: data_disk_device is defined

- name: "Prüfen ob Data-Disk bereits formatiert ist"
  command: "blkid {{ data_disk_device }}"
  register: data_disk_blkid
  ignore_errors: true
  changed_when: false
  when:
    - data_disk_device is defined
    - data_disk_stat.stat.exists

- name: "Data-Disk formatieren (ext4) — nur wenn noch nicht formatiert"
  filesystem:
    fstype: "{{ data_disk_filesystem | default('ext4') }}"
    dev: "{{ data_disk_device }}"
  when:
    - data_disk_device is defined
    - data_disk_stat.stat.exists
    - data_disk_blkid.rc != 0

- name: "Mountpoint erstellen"
  file:
    path: "{{ data_disk_mountpoint }}"
    state: directory
    mode: '0755'
  when:
    - data_disk_device is defined
    - data_disk_stat.stat.exists

- name: "Data-Disk in /etc/fstab eintragen und mounten"
  mount:
    path: "{{ data_disk_mountpoint }}"
    src: "{{ data_disk_device }}"
    fstype: "{{ data_disk_filesystem | default('ext4') }}"
    opts: defaults
    state: mounted
  when:
    - data_disk_device is defined
    - data_disk_stat.stat.exists

- name: "LVM prüfen und erweitern (falls LVM genutzt wird)"
  block:
    - name: "pvs prüfen"
      command: pvs
      register: pvs_output
      changed_when: false
      ignore_errors: true

    - name: "LVM-Infos ausgeben"
      debug:
        msg: "{{ pvs_output.stdout_lines }}"
      when: pvs_output.rc == 0
  when: data_disk_device is not defined
  ignore_errors: true