Merge pull request #52 from meshery/meshkiterr

[Fix] Panic: Meshkit Error

appmesh/error.go

@@ -17,6 +17,9 @@ var (
 	ErrStreamEventCode = "appmesh_test_code"
 	// ErrSampleAppCode    failure
 	ErrSampleAppCode = "appmesh_test_code"
+	// ErrLoadNamespaceToMeshCode represents the error
+	// which is generated when the namespace could not be labelled and updated
+	ErrLoadNamespaceToMeshCode = "appmesh_test_code"
 	// ErrOpInvalidCode failure
 	ErrOpInvalidCode = "appmesh_test_code"
 	// ErrNilClientCode represents the error code which is
@@ -109,6 +112,11 @@ func ErrProcessOAM(err error) error {
 	return errors.New(ErrProcessOAMCode, errors.Alert, []string{"error performing OAM operations"}, []string{err.Error()}, []string{}, []string{})
 }
 
+// ErrLoadNamespaceToMesh identifies the inability to label the appropropriate namespace
+func ErrLoadNamespaceToMesh(err error) error {
+	return errors.New(ErrLoadNamespaceToMeshCode, errors.Alert, []string{"Could not label the appropriate namespace"}, []string{err.Error()}, []string{}, []string{})
+}
+
 // ErrAddonFromTemplate is the error for streaming event
 func ErrAddonFromTemplate(err error) error {
 	return errors.New(ErrAddonFromTemplateCode, errors.Alert, []string{"Error with addon install operation"}, []string{err.Error()}, []string{}, []string{})

appmesh/sample_apps.go

@@ -75,7 +75,7 @@ func (appMesh *AppMesh) installSampleApp(namespace string, del bool, templates [
 func (appMesh *AppMesh) LoadNamespaceToMesh(namespace string, remove bool) error {
 	ns, err := appMesh.KubeClient.CoreV1().Namespaces().Get(context.TODO(), namespace, metav1.GetOptions{})
 	if err != nil {
-		return err
+		return ErrLoadNamespaceToMesh(err)
 	}
 
 	if ns.ObjectMeta.Labels == nil {
@@ -90,7 +90,7 @@ func (appMesh *AppMesh) LoadNamespaceToMesh(namespace string, remove bool) error
 
 	_, err = appMesh.KubeClient.CoreV1().Namespaces().Update(context.TODO(), ns, metav1.UpdateOptions{})
 	if err != nil {
-		return err
+		return ErrLoadNamespaceToMesh(err)
 	}
 	return nil
 }