Corrected the pod reporting and messages

It is inconsistent and confusing to report pod count from all
namespaces but report message for only default namespace.
Added the namespace (default) reporting to clarify this.
Updated comments for usage clarity.

Author: ashish-billore

staging/src/k8s.io/client-go/examples/in-cluster-client-configuration/main.go

@@ -48,24 +48,26 @@ func main() {
 		panic(err.Error())
 	}
 	for {
+		// get pods in all the namespaces by omitting namespace
+		// Or specify namespace to get pods in particular namespace
 		pods, err := clientset.CoreV1().Pods("").List(metav1.ListOptions{})
 		if err != nil {
 			panic(err.Error())
 		}
 		fmt.Printf("There are %d pods in the cluster\n", len(pods.Items))
 
 		// Examples for error handling:
-		// - Use helper functions like e.g. errors.IsNotFound()
+		// - Use helper functions e.g. errors.IsNotFound()
 		// - And/or cast to StatusError and use its properties like e.g. ErrStatus.Message
 		_, err = clientset.CoreV1().Pods("default").Get("example-xxxxx", metav1.GetOptions{})
 		if errors.IsNotFound(err) {
-			fmt.Printf("Pod not found\n")
+			fmt.Printf("Pod example-xxxxx not found in default namespace\n")
 		} else if statusError, isStatus := err.(*errors.StatusError); isStatus {
 			fmt.Printf("Error getting pod %v\n", statusError.ErrStatus.Message)
 		} else if err != nil {
 			panic(err.Error())
 		} else {
-			fmt.Printf("Found pod\n")
+			fmt.Printf("Found example-xxxxx pod in default namespace\n")
 		}
 
 		time.Sleep(10 * time.Second)