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path: root/roles/openwrt/image/tasks/fetch.yml
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---
- name: Create download directory
  file:
    dest: "{{ openwrt_download_dir }}"
    state: directory

- block:
    - name: Generate OpenWrt download URLs
      set_fact:
        openwrt_url:
          https://downloads.openwrt.org/releases/{{ openwrt_release }}/targets/{{ openwrt_arch | mandatory }}/{{ openwrt_target }}

    - name: Download sha256sums
      get_url:
        url: "{{ openwrt_url }}/sha256sums"
        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"

    - name: Download sha256sums.asc
      get_url:
        url: "{{ openwrt_url }}/sha256sums.asc"
        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc"

    - name: Check OpenPGP signature
      command: >-
        gpgv --keyring "{{ global_files_dir }}/common/keyrings/openwrt.gpg"
            "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc" "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
      changed_when: False
      register: openwrt_image_gpg_result

    - debug:
        var: openwrt_image_gpg_result.stderr_lines

    - name: Extract SHA256 hash of the imagebuilder archive
      command: grep '{{ openwrt_tarball_name }}' "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
      register: sha256
      changed_when: False

    - name: Download imagebuilder
      get_url:
        url: "{{ openwrt_url }}/{{ openwrt_tarball_name }}"
        dest: "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
        checksum: sha256:{{ sha256.stdout.split(' ') | first }}

  rescue:
    - name: Delete downloaded artifacts
      loop:
        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256"
        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_basename }}.sha256.asc"
        - "{{ openwrt_download_dir }}/{{ openwrt_tarball_name }}"
      file:
        path: "{{ item }}"
        state: absent

    - name: the download has failed...
      fail:
        msg: Something borked