Added support for single-node setups

ansible/deploy.yml

@@ -6,6 +6,10 @@
   any_errors_fatal: true
 
   vars:
+    # Dynamically detect if we are in Single-Node or Cluster mode
+    is_single_node: "{{ groups['proxmox'] | length == 1 }}"
+    
+    # Existing clustering variables
     corosync_ip: "{{ priv_ip | default(ansible_host) }}"
     master_corosync_ip: "{{ hostvars[groups['proxmox'][0]]['priv_ip'] | default(hostvars[groups['proxmox'][0]]['ansible_host']) }}"
     is_master: "{{ inventory_hostname == groups['proxmox'][0] }}"
@@ -33,10 +37,12 @@
         state: "{{ 'absent' if pve_enterprise_key | length > 0 else 'present' }}"
         filename: pve-no-subscription
 
-    - name: Add Linstor Repositories
+    - name: Add Linstor Repositories (Skipped in Single Node)
       ansible.builtin.include_role:
         name: linstor_repo
-      when: deploy_linstor | bool
+      when: 
+        - deploy_linstor | bool
+        - not is_single_node | bool
 
     # ==========================================
     # PHASE 2: UPDATES & NAG REMOVAL
@@ -55,10 +61,12 @@
         replace: "void({ //\\1"
       notify: Restart pveproxy
 
-    - name: Install Linstor Packages
+    - name: Install Linstor Packages (Skipped in Single Node)
       ansible.builtin.include_role:
         name: linstor_install
-      when: deploy_linstor | bool
+      when: 
+        - deploy_linstor | bool
+        - not is_single_node | bool
 
     - name: Reboot if kernel was updated
       ansible.builtin.reboot:
@@ -68,6 +76,9 @@
     # ==========================================
     # PHASE 3: PROXMOX CLUSTERING
     # ==========================================
+    - name: PROXMOX CLUSTERING (Skipped in Single Node Mode)
+      when: not is_single_node | bool
+      block:
         - name: Ensure SSH keypair exists for root
           ansible.builtin.user:
             name: root
@@ -127,8 +138,10 @@
     # ==========================================
     # PHASE 4: LINSTOR CONFIGURATION
     # ==========================================
-    - name: Configure Linstor (Skipped if deploy_linstor=false)
+    - name: LINSTOR CONFIGURATION (Skipped if deploy_linstor=false or Single Node)
-      when: deploy_linstor | bool
+      when: 
+        - deploy_linstor | bool
+        - not is_single_node | bool
       block:
         - name: Configure Linstor Cluster
           ansible.builtin.include_role: