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path: root/roles/installer/debian/usb/tasks/main.yml
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---
- name: check if usb drive mountpoint exists
  run_once: true
  stat:
    path: "{{ usb_install_path }}"
  register: usb_install_mountpoint

- name: fail if usb drive mountpoint does not exist
  run_once: true
  assert:
    that: usb_install_mountpoint.stat.exists and usb_install_mountpoint.stat.isdir
    msg: the path to the usb drive does not exist or is not a directory

- name: download installer
  run_once: true
  vars:
    debian_installer_distro: "{{ install_distro }}"
    debian_installer_codename: "{{ install_codename }}"
    debian_installer_arch: "{{ install_cooked.arch | default('amd64') }}"
    debian_installer_variant: netboot
  import_role:
    role: installer/debian/fetch

- name: find old initramfs images on usb drive
  run_once: true
  find:
    path: "{{ usb_install_path }}"
    pattern: "initrd.*.gz"
  register: usb_install_old_intrd

- name: remove old intramfs images from usb drive
  run_once: true
  loop: "{{ usb_install_old_intrd.files }}"
  loop_control:
    label: "{{ item.path }}"
  file:
    path: "{{ item.path }}"
    state: absent

- block:
  - name: create temporary workdir
    tempfile:
      prefix: "usb-install.{{ inventory_hostname }}."
      state: directory
    register: tmpdir

  - name: copy the original initramfs to the usb drive
    copy:
      src: "{{ debian_installer_target_dir }}/initrd.gz"
      dest: "{{ usb_install_path }}/initrd.{{ inventory_hostname }}.gz"

  - name: generate host specific initial ramdisk
    vars:
      preseed_initrd: "{{ usb_install_path }}/initrd.{{ inventory_hostname }}.gz"
      preseed_tmpdir: "{{ tmpdir.path }}"
    import_role:
      name: installer/debian/preseed

  always:
  - name: cleanup temporary workdir
    when: tmpdir.path is defined
    file:
      path: "{{ tmpdir.path }}"
      state: absent

- name: copy linux kernel image to the USB drive
  run_once: true
  copy:
    src: "{{ debian_installer_target_dir }}/linux"
    dest: "{{ usb_install_path }}/"

- name: create BIOS boot directory
  run_once: true
  file:
    path: "{{ usb_install_path }}/bios"
    state: directory

- name: generate syslinux configuration for BIOS boot
  run_once: true
  vars:
    syslinux_base_path: "../"
  template:
    src: syslinux.cfg.j2
    dest: "{{ usb_install_path }}/bios/syslinux.cfg"

- name: create EFI boot directory
  run_once: true
  file:
    path: "{{ usb_install_path }}/EFI/boot"
    state: directory

- name: generate syslinux configuration for UEFI boot
  run_once: true
  vars:
    syslinux_base_path: "../../"
  template:
    src: syslinux.cfg.j2
    dest: "{{ usb_install_path }}/EFI/boot/syslinux.cfg"

- 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 -d bios
      $ sudo fdisk       /dev/CHANGEME
      [Here, make sure partition 1 is marked bootable.]
      $ cp /usr/lib/syslinux/modules/bios/* {{ usb_install_path }}/bios/

      for UEFI these steps need to be done

      $ sudo apt install syslinux-efi
      $ cp /usr/lib/syslinux/modules/efi64/* {{ usb_install_path }}/EFI/boot/
      $ cp /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi {{ usb_install_path }}/EFI/boot/bootx64.efi

      This will NOT be done automatically.