---
- name: install cryptsetup packages
  apt:
    name: cryptsetup-bin
    state: present

- name: Create temporary build directory
  tempfile:
    state: directory
  register: keyfile_dir
  changed_when: False
  check_mode: False

- name: create luks volumes
  block:
  - name: write passphrases into temporary keyfiles
    loop: "{{ luks_devices | dict2items }}"
    loop_control:
      label: "{{ item.key }}"
    copy:
      dest: "{{ keyfile_dir.path }}/{{ item.key }}"
      content: "{{ item.value.passphrase }}"
      mode: 0600
    changed_when: False
    check_mode: False

  - name: create/open luks volumes
    loop: "{{ luks_devices | dict2items }}"
    loop_control:
      label: "{{ item.key }} ({{ item.value.device }})"
    luks_device:
      name: "{{ item.key }}"
      device: "{{ item.value.device }}"
      keyfile: "{{ keyfile_dir.path }}/{{ item.key }}"
      state: opened

  always:
  - name: remove base-directory for keyfiles
    file:
      path: "{{ keyfile_dir.path }}"
      state: absent
    changed_when: False
    check_mode: False