---

- name: install required software
  apt:
    name: "{{item}}"
  with_items:
    - cpio
    - debian-installer-9-netboot-amd64
    - genisoimage
    - syslinux
    - isolinux
    - pxelinux

- name: download unofficial firmware for debian-installer
  get_url:
    url: http://cdimage.debian.org/cdimage/unofficial/non-free/firmware/stable/current/firmware.cpio.gz
    dest: /opt/debian-installer-unofficial-firmware.cpio.gz
  when: debian_installer_nonfree_firmware