From 9f0e2a07848cd1e315af997fa62a2b2c176b7ea5 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Tue, 29 Jun 2021 15:00:08 +0200
Subject: add ubuntu insaller fetch and base

---
 .../installer/ubuntu/fetch/tasks/fetch-version.yml | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 roles/installer/ubuntu/fetch/tasks/fetch-version.yml

(limited to 'roles/installer/ubuntu/fetch/tasks/fetch-version.yml')

diff --git a/roles/installer/ubuntu/fetch/tasks/fetch-version.yml b/roles/installer/ubuntu/fetch/tasks/fetch-version.yml
new file mode 100644
index 00000000..868adc95
--- /dev/null
+++ b/roles/installer/ubuntu/fetch/tasks/fetch-version.yml
@@ -0,0 +1,41 @@
+---
+## we need to try old-releases.ubuntu.com first because otherwise it would be impossible to download the initial release
+## of any codename release. (i.e. 20.04)
+- name: try downloading SHA256SUMS and signature file from old-releases.ubuntu.com
+  loop:
+  - SHA256SUMS
+  - SHA256SUMS.gpg
+  get_url:
+    url: "https://old-releases.ubuntu.com/releases/{{ ubuntu_installer_version }}/{{ item }}"
+    dest: "{{ ubuntu_installer_target_dir }}/{{ item }}"
+    force: yes
+  register: ubuntu_installer_old
+  failed_when: "'status_code' in ubuntu_installer_old and ubuntu_installer_old.status_code not in [200, 404]"
+
+- when: 404 not in (ubuntu_installer_old.results | selectattr('status_code', 'defined') | map(attribute='status_code') | list)
+  block:
+  - name: check if SHA256SUM actually contains the correct iso
+    command: grep -E '^[0-9a-z]{64}\s+\*ubuntu-{{ ubuntu_installer_version }}-{{ ubuntu_installer_variant }}-{{ ubuntu_installer_arch }}.iso$' "{{ ubuntu_installer_target_dir }}/SHA256SUMS"
+    changed_when: false
+    failed_when: false
+    register: ubuntu_installer_old_sha256sum
+
+  - name: set download url to old-releases.ubuntu.com
+    when: (ubuntu_installer_old_sha256sum.stdout_lines | length) > 0
+    set_fact:
+      ubuntu_installer_base_url: "https://old-releases.ubuntu.com/releases/{{ ubuntu_installer_version }}"
+
+- when: ubuntu_installer_base_url is not defined
+  block:
+  - name: try downloading SHA256SUMS and signature file from releases.ubuntu.com
+    loop:
+    - SHA256SUMS
+    - SHA256SUMS.gpg
+    get_url:
+      url: "https://releases.ubuntu.com/{{ ubuntu_installer_version }}/{{ item }}"
+      dest: "{{ ubuntu_installer_target_dir }}/{{ item }}"
+      force: yes
+
+  - name: set download url to releases.ubuntu.com
+    set_fact:
+      ubuntu_installer_base_url: "https://releases.ubuntu.com/{{ ubuntu_installer_version }}"
-- 
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