change: use check mode to verify updates available

ansible/proxmox/update_proxmox.yml

@@ -55,68 +55,77 @@
 
     - block:
 
-        - name: Enable maintenance mode
+        - name: Refresh repositories
-          ansible.builtin.command: >
-            ha-manager crm-command node-maintenance enable {{ inventory_hostname_short }}
-
-        - name: Wait for LXCs to leave node
-          ansible.builtin.shell: |
-            pct list | awk 'NR>1 && $2=="running" {count++} END {print count+0}'
-          register: lxc_count
-          changed_when: false
-          until: lxc_count.stdout | int == 0
-          retries: 60
-          delay: 15
-
-        - name: Wait for VMs to leave node
-          ansible.builtin.shell: |
-            qm list | awk 'NR>1 && $3=="running" {count++} END {print count+0}'
-          register: vm_count
-          changed_when: false
-          until: vm_count.stdout | int == 0
-          retries: 60
-          delay: 15
-
-        - name: Update packages
           ansible.builtin.apt:
             update_cache: true
-            upgrade: full
-            autoremove: true
-            autoclean: true
-          register: update_packages
 
-        - name: Get version after upgrade
+        - name: Check if upgrades are available
-          ansible.builtin.shell: pveversion | awk -F'/' '{print $2}'
+          ansible.builtin.apt:
-          register: pve_new_version
+            upgrade: dist
-          delegate_to: "{{ groups['nodes'][0] }}"
+          check_mode: true
-          changed_when: false
+          register: apt_check
 
-        - when: update_packages.changed
+        - name: Proceed if updates are available
+          when: not apt_check.changed
           block:         
 
-            - name: Disable Ceph rebalancing
+          - name: Enable maintenance mode
-              ansible.builtin.command: ceph osd set noout
+            ansible.builtin.command: >
+              ha-manager crm-command node-maintenance enable {{ inventory_hostname_short }}
 
-            - name: Reboot node
+          - name: Wait for LXCs to leave node
-              ansible.builtin.reboot:
+            ansible.builtin.shell: |
-                reboot_timeout: 900
+              pct list | awk 'NR>1 && $2=="running" {count++} END {print count+0}'
-                post_reboot_delay: 30
+            register: lxc_count
+            changed_when: false
+            until: lxc_count.stdout | int == 0
+            retries: 60
+            delay: 15
 
-            - name: Enable Ceph rebalancing
+          - name: Wait for VMs to leave node
-              ansible.builtin.command: ceph osd unset noout
+            ansible.builtin.shell: |
+              qm list | awk 'NR>1 && $3=="running" {count++} END {print count+0}'
+            register: vm_count
+            changed_when: false
+            until: vm_count.stdout | int == 0
+            retries: 60
+            delay: 15
 
-        - name: Disable maintenance mode
+          - name: Update packages
-          ansible.builtin.command: >
+            ansible.builtin.apt:
-            ha-manager crm-command node-maintenance disable {{ inventory_hostname_short }}
+              upgrade: full
+              autoremove: true
+              autoclean: true
 
-        - name: Wait for Ceph to be healthy
+          - name: Get version after upgrade
-          ansible.builtin.command: ceph health
+            ansible.builtin.shell: pveversion | awk -F'/' '{print $2}'
-          register: ceph_status
+            register: pve_new_version
-          changed_when: false
+            delegate_to: "{{ groups['nodes'][0] }}"
-          until: "'HEALTH_OK' in ceph_status.stdout"
+            changed_when: false
-          retries: 60
+
-          delay: 15
+          - name: Disable Ceph rebalancing
-          delegate_to: "{{ groups['nodes'][0] }}"
+            ansible.builtin.command: ceph osd set noout
+
+          - name: Reboot node
+            ansible.builtin.reboot:
+              reboot_timeout: 900
+              post_reboot_delay: 30
+              
+          - name: Enable Ceph rebalancing
+            ansible.builtin.command: ceph osd unset noout
+
+          - name: Disable maintenance mode
+            ansible.builtin.command: >
+              ha-manager crm-command node-maintenance disable {{ inventory_hostname_short }}
+
+          - name: Wait for Ceph to be healthy
+            ansible.builtin.command: ceph health
+            register: ceph_status
+            changed_when: false
+            until: "'HEALTH_OK' in ceph_status.stdout"
+            retries: 60
+            delay: 15
+            delegate_to: "{{ groups['nodes'][0] }}"
           
       rescue:
 
@@ -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 %}