Change debian repo to the new one. Remove usage of (deprecated) apt_key

https://kubernetes.io/blog/2023/08/15/pkgs-k8s-io-introduction/

Author: Julien Girardin

roles/packages/tasks/kube_repo_Debian.yml

@@ -1,15 +1,27 @@
 ---
+- name: 'Create directory to store keys'
+  file:
+    dest: /etc/apt/keyrings
+    state: directory
+
 - name: 'Add kubernetes repo signing key'
-  apt_key:
+  ansible.builtin.get_url:
     url: '{{ kubernetes_repository.gpg_url }}'
-    state: present
+    dest: '/etc/apt/keyrings/kubernetes-apt-keyring.asc'
 
 - name: 'Add the kubernetes repository'
   apt_repository:
     repo: '{{ kubernetes_repository.repo_url }}'
     state: present
+    update_cache: false
   register: kube_repo_just_added
 
+- name: 'Cleanup old kubernetes repository'
+  apt_repository:
+    repo: '{{ kubernetes_old_repository.repo_url }}'
+    state: absent
+  when: kubernetes_repository.repo_url != kubernetes_old_repository.repo_url
+
 - name: 'refresh source list'
   apt:
     update_cache: true

roles/packages/vars/os_Debian.yml

@@ -1,7 +1,19 @@
 ---
-kubernetes_repository:
+_repo_version: '{{ (_target_kubeadm_version|regex_findall("(?:\d+)"))[0:2]|join(".") }}'
+kubernetes_repository: >-
+  {%- if _repo_version is version("1.24", ">=") -%}
+    {{ kubernetes_new_repository }}
+  {%- else -%}
+    {{ kubernetes_old_repository }}
+  {%- endif -%}
+
+kubernetes_new_repository:
+  gpg_url: 'https://pkgs.k8s.io/core:/stable:/v{{ _repo_version }}/deb/Release.key'
+  repo_url: 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.asc] https://pkgs.k8s.io/core:/stable:/v{{ _repo_version }}/deb/ /'
+
+kubernetes_old_repository:
   gpg_url: 'https://packages.cloud.google.com/apt/doc/apt-key.gpg'
-  repo_url: 'deb https://apt.kubernetes.io/ kubernetes-xenial main'
+  repo_url: 'deb [signed-by=/etc/apt/keyrings/kubernetes-apt-keyring.asc] https://apt.kubernetes.io/ kubernetes-xenial main'
 
 repository_dependencies:
   - apt-transport-https

tests/features/upgrade.feature

@@ -31,3 +31,4 @@ Feature: Upgrade
         Examples:
         | from_version | to_version |
         | 1.21         | 1.22       |
+        | 1.23         | 1.24       |