WIP

os_clients/ubuntu/pathHandling.go

+package ubuntu
+
+import (
+	"fmt"
+
+	"github.com/openconfig/gnmi/proto/gnmi"
+)
+
+type PathFunc func(path *gnmi.Path, val *gnmi.TypedValue) error
+
+type PathMap map[string]PathFunc
+
+func (pm PathMap) Register(s string, fn PathFunc) error {
+	if _, found := pm[s]; found {
+		return fmt.Errorf("a function is already registered for path: '%s'", s)
+	}
+	pm[s] = fn
+	return nil
+}
+
+func (pm PathMap) Execute(s string) error {
+	return execute(pm, s)
+}
+
+func execute(pm PathMap, p string) error {
+	if _, found := pm[p]; found {
+		//return fn()
+	}
+	return fmt.Errorf("The given path: '%s' is not supported", p)
+}

os_clients/ubuntu/ubuntu.go

 package ubuntu
 
 import (
+	"fmt"
 	"net"
 	"os"
 	"os/exec"
@@ -62,12 +63,12 @@ func (ou *OsclientUbuntu) callbackFunc(config ygot.ValidatedGoStruct) error {
 		return err
 	}
 	for _, diff := range diffs.GetUpdate() {
-		path, err := ygot.PathToString(diff.GetPath())
+		schemaPath, err := ygot.PathToSchemaPath(diff.GetPath())
 		if err != nil {
 			return err
 		}
-		log.Info(path)
-		switch path {
+		log.Info(schemaPath)
+		switch schemaPath {
 		case "/system/config/hostname":
 			value, err := gnmiv.ToScalar(diff.GetVal())
 			if err != nil {
@@ -78,7 +79,7 @@ func (ou *OsclientUbuntu) callbackFunc(config ygot.ValidatedGoStruct) error {
 				return err
 			}
 		default:
-			//INFO: currently this case is ignored
+			return fmt.Errorf("this path is not supported")
 		}
 	}