---
- name: Fetch debian installer and bake initrd
  hosts: "{{ hostname }}"
  connection: local

  vars_prompt:
    - name: usbdrive_path
      prompt: Where is the USB installation medium mounted to?
      default: ""
      private: no

  vars:
    preseed_path: "{{ global_artifacts_dir }}/{{ hostname }}"
    debian_installer_path: "{{ global_cache_dir }}/debian-installer"

  pre_tasks:
    - set_fact:
        install_cooked: "{{ install }}"
        network_cooked: "{{ network }}"

    - file:
        state: directory
        name: "{{ item }}"
      with_items:
        - "{{ preseed_path }}"
        - "{{ debian_installer_path }}"

  roles:
    - usb-install

  tasks:
    - stat:
        path: "{{ usbdrive_path }}"
      register: pathcheck

    - when: pathcheck.stat.exists
      block:
        - name: Copy generated files to the USB drive
          copy:
            src: "{{ item.value }}"
            dest: "{{ usbdrive_path }}/{{ item.key }}"
          with_dict:
            initrd.gz: "{{ global_artifacts_dir }}/{{ hostname }}/{{ hostname }}-{{ install_distro }}-{{ install_codename }}.initrd.gz"
            linux: "{{ global_cache_dir }}/debian-installer/{{ install_distro }}-{{ install_codename }}/{{ install.arch | default('amd64') }}/linux"

        - name: Generate syslinux configuration
          copy:
            dest: "{{ usbdrive_path }}/syslinux.cfg"
            content: |
              DEFAULT linux
               SAY SYSLINUX booting an automated installer for {{ hostname }}...
              LABEL linux
               KERNEL linux
               INITRD initrd.gz
               APPEND install vga=off console=ttyS0,115200n8

        - name: Make the USB disk bootable
          pause:
            seconds: 0
            prompt: |
              You should make sure the USB disk is bootable and
              has syslinux installed.

              $ sudo apt install mbr syslinux
              $ sudo install-mbr /dev/CHANGEME
              $ sudo syslinux -i /dev/CHANGEME1
              $ sudo fdisk       /dev/CHANGEME
              [Here, make sure partition 1 is marked bootable.]

              This will NOT be done automatically.