---
- name: prepare directories for installer files
  file:
    name: "{{ installer_base_path }}/{{ debian_installer_distro }}-{{ debian_installer_codename }}/{{ debian_installer_arch }}-{{ debian_installer_variant }}"
    state: directory

- name: download and verify installer files
  block:
  - name: fetch and verify installer checksums
    include_tasks: "verify-{{ install_distro }}.yml"

  - name: download installer kernel image
    get_url:
      url: "{{ debian_installer_base_url }}/{{ debian_installer_variant_path }}/{{ debian_installer_variant_kernal_image_name }}"
      dest: "{{ installer_base_path }}/{{ debian_installer_distro }}-{{ debian_installer_codename }}/{{ debian_installer_arch }}-{{ debian_installer_variant }}/{{ debian_installer_variant_kernal_image_name }}"
      checksum: "{{ debian_installer_kernel_checksum }}"
      force: "{{ debian_installer_force_download }}"
      mode: 0644

  - name: download installer initrd.gz
    get_url:
      url: "{{ debian_installer_base_url }}/{{ debian_installer_variant_path }}/initrd.gz"
      dest: "{{ installer_base_path }}/{{ debian_installer_distro }}-{{ debian_installer_codename }}/{{ debian_installer_arch }}-{{ debian_installer_variant }}/initrd.gz"
      checksum: "{{ debian_installer_initrd_checksum }}"
      force: "{{ debian_installer_force_download }}"
      mode: 0644

  rescue:
  - name: remove all downloaded files
    file:
      name: "{{ installer_base_path }}/{{ debian_installer_distro }}-{{ debian_installer_codename }}/{{ debian_installer_arch }}-{{ debian_installer_variant }}"
      state: absent

  - fail:
      msg: "download/verification of installer files failed"