From 3353e25592248dad6a0c067ab9c00ed6c3645a47 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 28 Mar 2022 22:57:54 +0200
Subject: raspios/image: initial commit

---
 roles/raspios/image/tasks/fetch.yml | 52 +++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 roles/raspios/image/tasks/fetch.yml

(limited to 'roles/raspios/image/tasks/fetch.yml')

diff --git a/roles/raspios/image/tasks/fetch.yml b/roles/raspios/image/tasks/fetch.yml
new file mode 100644
index 00000000..c95f1dea
--- /dev/null
+++ b/roles/raspios/image/tasks/fetch.yml
@@ -0,0 +1,52 @@
+---
+- name: Create download directory
+  file:
+    dest: "{{ raspios_download_dir }}"
+    state: directory
+
+- name: download the raspios image
+  block:
+  - name: download sha256sum
+    get_url:
+      url: "{{ raspios_download_base_url }}/{{ raspios_download_image_base_name }}.zip.sha256"
+      dest: "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sha256"
+
+  - name: download signature
+    get_url:
+      url: "{{ raspios_download_base_url }}/{{ raspios_download_image_base_name }}.zip.sig"
+      dest: "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sig"
+
+  - name: extract SHA256 hash of the image archive
+    command: grep '{{ raspios_download_image_base_name }}.zip' "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sha256"
+    changed_when: False
+    register: sha256
+
+  - name: download image
+    get_url:
+      url: "{{ raspios_download_base_url }}/{{ raspios_download_image_base_name }}.zip"
+      dest: "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip"
+      checksum: sha256:{{ sha256.stdout.split(' ') | first }}
+
+  - name: check OpenPGP signature
+    command: >-
+      gpgv --keyring "{{ global_files_dir }}/common/keyrings/raspios.gpg"
+          "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sig" "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip"
+    changed_when: False
+    register: raspios_image_gpg_result
+
+  - debug:
+      var: raspios_image_gpg_result.stderr_lines
+
+  rescue:
+  - name: delete downloaded artifacts
+    loop:
+      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sha256"
+      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip.sig"
+      - "{{ raspios_download_dir }}/{{ raspios_download_image_base_name }}.zip"
+    file:
+      path: "{{ item }}"
+      state: absent
+
+  - name: the download has failed...
+    fail:
+      msg: Something borked
-- 
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