2024-ansible-case/roles/start/tasks/encrypt_disks_rroot.yml

---
- name: rroot disk name
  ansible.builtin.shell: |
   fdisk -l | grep -E '^(Devi|/dev)' | sort -nk2,2  |grep -B1 -A1 -w `findmnt -n -o SOURCE /` >/tmp/disks;  if [[ `wc -l /tmp/disks |awk '{print $1}'` -gt 1 && `wc -l /tmp/disks |awk '{print $1}'` -ne 3 ]]; then sed '1!D' /tmp/disks; elif [[ `wc -l /tmp/disks |awk '{print $1}'` -eq 3 ]]; then sed '3!D' /tmp/disks; fi |awk '{print $1}'|grep -o '[^/]*$'
  args:
    executable: /bin/bash
  register: rroot_disk
  ignore_errors: true

- name: Output result
  debug:
    var: rroot_disk.stdout  
  
- name: Create keyfile
  ansible.builtin.shell: |
    openssl genrsa -out /root/keyfile_rroot; chmod 0400 /root/keyfile_rroot
  ignore_errors: true
  when: rroot_disk.stdout | length > 0

- name: Encrypt rroot disk
  ansible.builtin.shell: |
    cryptsetup -q luksFormat /dev/{{ rroot_disk.stdout }} --key-file /root/keyfile_rroot
  ignore_errors: true
  when: rroot_disk.stdout | length > 0

- name: Open encrypted rroot disk
  ansible.builtin.shell: |
    cryptsetup luksOpen /dev/{{ rroot_disk.stdout }} {{ rroot_disk.stdout }} --key-file /root/keyfile_rroot
  ignore_errors: true
  register: rroot_disk_status
  when: rroot_disk.stdout | length > 0

- name: Format the encrypted rroot disk
  command: mkfs.ext4 /dev/mapper/{{ rroot_disk.stdout }}
  when: rroot_disk.stdout | length > 0

- name: Ensure the mount point exists
  file:
    path: /mnt/{{ rrot_disk.stdout }}
    state: directory
  when: rroot_disk.stdout | length > 0

- name: Mount the encrypted second disk
  mount:
    path: /mnt/{{ rroot_disk.stdout }}
    src: /dev/mapper/{{ rroot_disk.stdout }}
    fstype: ext4
    state: mounted
  when: rroot_disk.stdout | length > 0

- name: Add crypttab
  ansible.builtin.shell: |
    printf "{{ rroot_disk.stdout }} /dev/{{ rroot_disk.stdout }}  /root/keyfile luks\n">/etc/crypttab
  when: rroot_disk.stdout | length > 0