change: use check mode to verify updates available

ansible/proxmox/update_proxmox.yml

@@ -55,6 +55,20 @@
 
     - block:
 
+        - name: Refresh repositories
+          ansible.builtin.apt:
+            update_cache: true
+
+        - name: Check if upgrades are available
+          ansible.builtin.apt:
+            upgrade: dist
+          check_mode: true
+          register: apt_check
+
+        - name: Proceed if updates are available
+          when: not apt_check.changed
+          block:         
+
           - name: Enable maintenance mode
             ansible.builtin.command: >
               ha-manager crm-command node-maintenance enable {{ inventory_hostname_short }}
@@ -79,11 +93,9 @@
 
           - name: Update packages
             ansible.builtin.apt:
-            update_cache: true
               upgrade: full
               autoremove: true
               autoclean: true
-          register: update_packages
 
           - name: Get version after upgrade
             ansible.builtin.shell: pveversion | awk -F'/' '{print $2}'
@@ -91,9 +103,6 @@
             delegate_to: "{{ groups['nodes'][0] }}"
             changed_when: false
 
-        - when: update_packages.changed
-          block: 
-
           - name: Disable Ceph rebalancing
             ansible.builtin.command: ceph osd set noout
 
@@ -153,7 +162,6 @@
         password: "{{ lookup('env', 'NTFY_PASSWORD') }}"
         force_basic_auth: true
         body: |
-          Proxmox cluster update completed successfully.
           {% if hostvars[groups['nodes'][0]].pve_current_version.stdout == hostvars[groups['nodes'][0]].pve_new_version.stdout %}
           Version unchanged ({{ hostvars[groups['nodes'][0]].pve_new_version.stdout }})
           {% else %}