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 {

proxmox/model_test.go

@@ -0,0 +1,30 @@
+package proxmox
+
+import "testing"
+
+func TestPveClusterStatusGetClusterModeNumeric(t *testing.T) {
+	tests := []struct {
+		name   string
+		status PveClusterStatus
+		want   float64
+	}{
+		{
+			name:   "cluster mode",
+			status: PveClusterStatus{Type: "cluster"},
+			want:   1,
+		},
+		{
+			name:   "standalone node",
+			status: PveClusterStatus{},
+			want:   0,
+		},
+	}
+
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := tt.status.GetClusterModeNumeric(); got != tt.want {
+				t.Fatalf("GetClusterModeNumeric() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}