Added cluster mode metric

proxmox/model.go

@@ -486,6 +486,15 @@ func (r *PveQemuStatus) IsRunning() bool {
 	return false
 }
 
+// GetClusterModeNumeric returns whether the PVE installation is configured as a cluster.
+// The cluster status API includes an object with type "cluster" only in cluster mode.
+func (r *PveClusterStatus) GetClusterModeNumeric() float64 {
+	if r.Type == "cluster" {
+		return 1
+	}
+	return 0
+}
+
 // GetClusterName returns name of cluster for labeling purposes.
 // If there is no cluster then return standalone node with node name. Otherwise, it returns cluster name.
 func (r *PveClusterStatus) GetClusterName() string {