- name: (luks.ym) add new key to the LUKS container (container has to exist)
  luks_device:
    #device: "{{ luks_device }}"
    #keyfile: "{{ role_path + '/files/vault/luks_default_passwd' }}"
    #new_keyfile: "{{ role_path + '/files/vault/luks_new_passwd' }}"
    device: "/dev/sda3"
    keyfile: "/vault/luks_default_passwd"
    new_keyfile: "/vault/luks_new_passwd"