v0.2.4; fix bug of debug output for visual; minor fixes

example/ospf_topo1/ospf.dot

@@ -5,17 +5,17 @@ digraph  {
 		r1[class="router"];
 		r2[class="router"];
 		r3[class="router"];
-		s1[class="switch"]
-		s2[class="switch"]
-		s3[class="switch"]
-		s4[class="switch"]
+		s1[class="switch"];
+		s2[class="switch"];
+		s3[class="switch"];
+		s4[class="switch"];
 	}
 
 	subgraph cluster2 {
 		label="area=1; area6=0.0.0.1";
 		r4[class="router"];
-		s5[class="switch"]
-		s6[class="switch"]
+		s5[class="switch"];
+		s6[class="switch"];
 	}
 
 	r1->s1[dir="none"];

main.go

@@ -13,7 +13,7 @@ const (
 )
 
 var (
-	Version = "0.2.3"
+	Version = "0.2.4"
 )
 
 func main() {

pkg/clab/clab.go

@@ -133,6 +133,9 @@ func GetClabTopology(cfg *model.Config, nm *model.NetworkModel) ([]byte, error)
 		// add mount points
 		for _, filename := range node.Files.FileNames() {
 			file := node.Files.GetFile(filename)
+			if file.FileDefinition.Path == "" {
+				continue
+			}
 			dirpath, err := filepath.Abs(node.Name)
 			if err != nil {
 				return nil, fmt.Errorf("directory path panic")

pkg/model/config.go

@@ -232,6 +232,7 @@ type GlobalSettings struct {
 type FileDefinition struct {
 	Name string `yaml:"name" mapstructure:"name"`
 	// Path is the path that the generated file is placed on the node.
+	// If empty, the file is generated but not placed on the node.
 	Path string `yaml:"path" mapstructure:"path"`
 	// Format is used to determine format and the way to aggregate the config blocks
 	// The value can be "shell", "frr", etc. "file" in default.

pkg/model/type.go

@@ -129,7 +129,7 @@ func (a addressedObject) IsAware(layer string) bool {
 	return a.awareLayers.Contains(layer)
 }
 
-// NameSpacer includes Node, Interface, Neighbor, Group
+// NameSpacer includes Node, Interface, Neighbor, Member, Group
 type NameSpacer interface {
 	setNumbered(k string)
 	isNumbered(k string) bool
@@ -222,7 +222,6 @@ func (ns *NameSpace) GetValue(key string) (string, error) {
 	if ok {
 		return val, nil
 	} else {
-		fmt.Printf("%+v, %+v\n", key, ns)
 		return val, fmt.Errorf("unknown key %v", key)
 	}
 }

pkg/tinet/tinet.go

@@ -142,6 +142,9 @@ func GetTinetSpecification(cfg *model.Config, nm *model.NetworkModel) ([]byte, e
 		// add mount points for file outputs
 		for _, filename := range n.Files.FileNames() {
 			file := n.Files.GetFile(filename)
+			if file.FileDefinition.Path == "" {
+				continue
+			}
 			dirpath, err := filepath.Abs(n.Name) // requires absolute path
 			if err != nil {
 				return nil, fmt.Errorf("directory path panic")