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:
@@ -68,67 +76,72 @@
     # ==========================================
     # PHASE 3: PROXMOX CLUSTERING
     # ==========================================
-    - name: Ensure SSH keypair exists for root
+    - name: PROXMOX CLUSTERING (Skipped in Single Node Mode)
-      ansible.builtin.user:
+      when: not is_single_node | bool
-        name: root
+      block:
-        generate_ssh_key: yes
+        - name: Ensure SSH keypair exists for root
-        ssh_key_bits: 4096
+          ansible.builtin.user:
+            name: root
+            generate_ssh_key: yes
+            ssh_key_bits: 4096
 
-    - name: Fetch public SSH keys from all nodes
+        - name: Fetch public SSH keys from all nodes
-      ansible.builtin.slurp:
+          ansible.builtin.slurp:
-        src: /root/.ssh/id_rsa.pub
+            src: /root/.ssh/id_rsa.pub
-      register: ssh_pub_keys
+          register: ssh_pub_keys
 
-    - name: Distribute SSH keys to build full-mesh trust
+        - name: Distribute SSH keys to build full-mesh trust
-      ansible.posix.authorized_key:
+          ansible.posix.authorized_key:
-        user: root
+            user: root
-        key: "{{ hostvars[item]['ssh_pub_keys']['content'] | b64decode }}"
+            key: "{{ hostvars[item]['ssh_pub_keys']['content'] | b64decode }}"
-        state: present
+            state: present
-      loop: "{{ ansible_play_hosts }}"
+          loop: "{{ ansible_play_hosts }}"
 
-    - name: Automatically accept host keys for cluster subnets
+        - name: Automatically accept host keys for cluster subnets
-      ansible.builtin.blockinfile:
+          ansible.builtin.blockinfile:
-        path: /root/.ssh/config
+            path: /root/.ssh/config
-        create: yes
+            create: yes
-        mode: '0600'
+            mode: '0600'
-        block: |
+            block: |
-          Host {{ master_corosync_ip | regex_replace('\.[0-9]+$', '.*') }} {{ hostvars[groups['proxmox'][0]]['ansible_host'] | regex_replace('\.[0-9]+$', '.*') }}
+              Host {{ master_corosync_ip | regex_replace('\.[0-9]+$', '.*') }} {{ hostvars[groups['proxmox'][0]]['ansible_host'] | regex_replace('\.[0-9]+$', '.*') }}
-            StrictHostKeyChecking no
+                StrictHostKeyChecking no
-            UserKnownHostsFile=/dev/null
+                UserKnownHostsFile=/dev/null
 
-    - name: Check current Proxmox cluster status
+        - name: Check current Proxmox cluster status
-      ansible.builtin.command: pvecm status
+          ansible.builtin.command: pvecm status
-      register: pvecm_status
+          register: pvecm_status
-      ignore_errors: yes
+          ignore_errors: yes
-      changed_when: false
+          changed_when: false
 
-    - name: Initialize the Proxmox Cluster (Master Node)
+        - name: Initialize the Proxmox Cluster (Master Node)
-      ansible.builtin.command: pvecm create {{ pve_cluster_name }} --link0 {{ corosync_ip }}
+          ansible.builtin.command: pvecm create {{ pve_cluster_name }} --link0 {{ corosync_ip }}
-      when: 
+          when: 
-        - pvecm_status.rc != 0
+            - pvecm_status.rc != 0
-        - is_master | bool
+            - is_master | bool
 
-    - name: Wait for Corosync to stabilize
+        - name: Wait for Corosync to stabilize
-      ansible.builtin.pause:
+          ansible.builtin.pause:
-        seconds: 10
+            seconds: 10
-      when: 
+          when: 
-        - pvecm_status.rc != 0
+            - pvecm_status.rc != 0
-        - is_master | bool
+            - is_master | bool
 
-    - name: Join the Proxmox Cluster (Worker Nodes)
+        - name: Join the Proxmox Cluster (Worker Nodes)
-      ansible.builtin.command: >
+          ansible.builtin.command: >
-        pvecm add {{ master_corosync_ip }} --link0 {{ corosync_ip }} --use_ssh yes
+            pvecm add {{ master_corosync_ip }} --link0 {{ corosync_ip }} --use_ssh yes
-      when: 
+          when: 
-        - pvecm_status.rc != 0
+            - pvecm_status.rc != 0
-        - not is_master | bool
+            - not is_master | bool
-      async: 60
+          async: 60
-      poll: 10
+          poll: 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:
@@ -150,4 +163,4 @@
     - name: Restart pveproxy
       ansible.builtin.service:
         name: pveproxy
-        state: restarted
+        state: restarted