proxmox: switch to deb822 source format

Debian did, Proxmox did, now we did too. Also enable ceph repository
if ceph-version is set in config context.

roles/proxmox/tasks/main.yml

@@ -32,23 +32,7 @@
 
 - include_tasks: network.yml
 
-- name: Disable enterprise repositories
+- include_tasks: repositories.yml
-  apt_repository:
-    repo: '{{ item }}'
-    state: absent
-    update_cache: no
-  loop:
-    - 'deb https://enterprise.proxmox.com/debian/pve {{ ansible_distribution_release }} pve-enterprise'
-    - 'deb https://enterprise.proxmox.com/debian/ceph-quincy {{ ansible_distribution_release }} enterprise'
-  notify: update package cache
-
-- name: Enable no-subscription repository
-  apt_repository:
-    repo: 'deb http://download.proxmox.com/debian/pve {{ ansible_distribution_release }} pve-no-subscription'
-    update_cache: no
-  notify: update package cache
-
-- meta: flush_handlers
 
 - name: Install essential packages
   package:

roles/proxmox/tasks/repositories.yml

@@ -0,0 +1,33 @@
+- name: Disable enterprise repositories
+  deb822_repository:
+    name: pve-enterprise
+    state: absent
+  notify: update package cache
+
+- name: Enable no-subscription repositories
+  deb822_repository:
+    name: proxmox
+    uris: http://download.proxmox.com/debian/pve
+    suites: "{{ ansible_distribution_release }}"
+    components: pve-no-subscription
+    signed_by: /usr/share/keyrings/proxmox-archive-keyring.gpg
+  notify: update package cache
+
+- name: Disable ceph repositories if not needed
+  when: "'ceph-version' not in hostvars[inventory_hostname]"
+  deb822_repository:
+    name: ceph
+    state: absent
+  notify: update package cache
+
+- name: Enable no-subscription ceph repositories
+  when: "'ceph-version' in hostvars[inventory_hostname]"
+  deb822_repository:
+    name: ceph
+    uris: "http://download.proxmox.com/debian/ceph-{{ hostvars[inventory_hostname]['ceph-version'] }}"
+    suites: "{{ ansible_distribution_release }}"
+    components: no-subscription
+    signed_by: /usr/share/keyrings/proxmox-archive-keyring.gpg
+  notify: update package cache
+
+- meta: flush_handlers