Enhancement: support multiple proxmox nodes (#5539)

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

docs/configs/proxmox.md

@@ -4,11 +4,13 @@ description: Proxmox Configuration
 ---
 
 The Proxmox connection is configured in the `proxmox.yaml` file. See [Create token](#create-token) section below for details on how to generate the required API token.
+You can configure multiple nodes - be sure to use the exact `proxmoxNode` identifier!
 
 ```yaml
-url: https://proxmox.host.or.ip:8006
+pve:
-token: username@pam!Token ID
+  url: https://proxmox.host.or.ip:8006
-secret: secret
+  token: username@pam!Token ID
+  secret: secret
 ```
 
 ## Services
@@ -17,7 +19,7 @@ Once the Proxmox connection is configured, individual services can be configured
 
 ### Configuration Options
 
-- `proxmoxNode`: The name of the Proxmox node where your VM/LXC is running
+- `proxmoxNode`: The name of the Proxmox node where your VM/LXC is running, must match with a node configured in the `proxmox.yaml`
 - `proxmoxVMID`: The ID of the Proxmox VM or LXC container
 - `proxmoxType`: (Optional) The type of Proxmox virtual machine. Defaults to `qemu` for VMs, but can be set to `lxc` for LXC containers
 

src/pages/api/proxmox/stats/[...service].js

@@ -24,9 +24,28 @@ export default async function handler(req, res) {
       });
     }
 
-    const baseUrl = `${proxmoxConfig.url}/api2/json`;
+    // Prefer per-node config (new format), fall back to legacy flat creds.
+    const nodeConfig =
+      (node && proxmoxConfig && proxmoxConfig[node]) ||
+      (proxmoxConfig && proxmoxConfig.url && proxmoxConfig.token && proxmoxConfig.secret
+        ? {
+            url: proxmoxConfig.url,
+            token: proxmoxConfig.token,
+            secret: proxmoxConfig.secret,
+          }
+        : null);
+
+    if (!nodeConfig) {
+      return res.status(400).json({
+        error:
+          "Proxmox config not found for the specified node and no legacy credentials detected. " +
+          "Add a node block in proxmox.yaml (e.g., 'pve: { url, token, secret }') or restore legacy top-level url/token/secret.",
+      });
+    }
+
+    const baseUrl = `${nodeConfig.url}/api2/json`;
     const headers = {
-      Authorization: `PVEAPIToken=${proxmoxConfig.token}=${proxmoxConfig.secret}`,
+      Authorization: `PVEAPIToken=${nodeConfig.token}=${nodeConfig.secret}`,
     };
 
     const statusUrl = `${baseUrl}/nodes/${node}/${vmType}/${vmid}/status/current`;

src/skeleton/proxmox.yaml

@@ -1,4 +1,5 @@
 ---
+# pve:
 #   url: https://proxmox.host.or.ip:8006
 #   token: username@pam!Token ID
 #   secret: secret