ansible-role-purge_hard_disks/tasks/main.yaml

---

- name: assert that the user has confirmed the purge
  assert:
    that: "{{REALLY_PURGE_HARDDISKS_WHICH_WILL_DESTROY_EVERYTHING_ON_YOUR_HARDDISKS_I_KNOW_WHAT_I_AM_DOING|bool}}"

- name: ensure required debian packages are present
  apt:
    pkg:
      - util-linux
      - lsof

- block:
    - import_tasks: clean-target.yaml
    - import_tasks: deactivate-lvm.yaml
  when: REALLY_PURGE_HARDDISKS_WHICH_WILL_DESTROY_EVERYTHING_ON_YOUR_HARDDISKS_I_KNOW_WHAT_I_AM_DOING|bool

- name: purge hard disks
  shell: |
    wipefs --all /dev/dm-*
    vgchange -an
    pvremove -ff -y /dev/md*
    vgchange -an
    wipefs --all /dev/md*
    mdadm --stop /dev/md*
    mdadm --zero-superblock /dev/sd*
    mdadm --zero-superblock /dev/nvme*
    mdadm --stop /dev/md*
    vgchange -an
    pvremove -ff -y /dev/sd*
    pvremove -ff -y /dev/nvme*
    vgchange -an
    wipefs --all /dev/sd*
    wipefs --all /dev/sd*
    wipefs --all /dev/nvme*
    wipefs --all /dev/nvme*
    blkdiscard /dev/nvme0n1
    blkdiscard /dev/nvme1n1
  args:
    executable: /bin/bash
  failed_when: false
  when: REALLY_PURGE_HARDDISKS_WHICH_WILL_DESTROY_EVERYTHING_ON_YOUR_HARDDISKS_I_KNOW_WHAT_I_AM_DOING|bool

- name: wait for io sync
  command: sync