nvidiagpu: adjust return consistency (#850)

pkg/nvidiagpu/clusterpolicy.go

@@ -62,7 +62,7 @@ func NewBuilderFromObjectString(apiClient *clients.Settings, almExample string)
 		"Initializing new Builder structure from almExample string with clusterPolicy name: %s",
 		clusterPolicy.Name)
 
-	builder := Builder{
+	builder := &Builder{
 		apiClient:  apiClient.Client,
 		Definition: clusterPolicy,
 	}
@@ -71,9 +71,11 @@ func NewBuilderFromObjectString(apiClient *clients.Settings, almExample string)
 		glog.V(100).Infof("The ClusterPolicy object definition is nil")
 
 		builder.errorMsg = "ClusterPolicy 'Object.Definition' is nil"
+
+		return builder
 	}
 
-	return &builder
+	return builder
 }
 
 // Pull loads an existing clusterPolicy into Builder struct.
@@ -93,7 +95,7 @@ func Pull(apiClient *clients.Settings, name string) (*Builder, error) {
 		return nil, err
 	}
 
-	builder := Builder{
+	builder := &Builder{
 		apiClient: apiClient.Client,
 		Definition: &nvidiagpuv1.ClusterPolicy{
 			ObjectMeta: metav1.ObjectMeta{
@@ -114,7 +116,7 @@ func Pull(apiClient *clients.Settings, name string) (*Builder, error) {
 
 	builder.Definition = builder.Object
 
-	return &builder, nil
+	return builder, nil
 }
 
 // Get returns clusterPolicy object if found.
@@ -191,16 +193,18 @@ func (builder *Builder) Create() (*Builder, error) {
 
 	glog.V(100).Infof("Creating the ClusterPolicy %s", builder.Definition.Name)
 
-	var err error
-	if !builder.Exists() {
-		err = builder.apiClient.Create(context.TODO(), builder.Definition)
+	if builder.Exists() {
+		return builder, nil
+	}
 
-		if err == nil {
-			builder.Object = builder.Definition
-		}
+	err := builder.apiClient.Create(context.TODO(), builder.Definition)
+	if err != nil {
+		return builder, err
 	}
 
-	return builder, err
+	builder.Object = builder.Definition
+
+	return builder, nil
 }
 
 // Update renovates the existing ClusterPolicy object with the definition in builder.
@@ -230,7 +234,7 @@ func (builder *Builder) Update(force bool) (*Builder, error) {
 		}
 	}
 
-	return builder, err
+	return builder, nil
 }
 
 // validate will check that the builder and builder definition are properly initialized before
@@ -247,13 +251,13 @@ func (builder *Builder) validate() (bool, error) {
 	if builder.Definition == nil {
 		glog.V(100).Infof("The %s is undefined", resourceCRD)
 
-		builder.errorMsg = msg.UndefinedCrdObjectErrString(resourceCRD)
+		return false, fmt.Errorf(msg.UndefinedCrdObjectErrString(resourceCRD))
 	}
 
 	if builder.apiClient == nil {
 		glog.V(100).Infof("The %s builder apiclient is nil", resourceCRD)
 
-		builder.errorMsg = fmt.Sprintf("%s builder cannot have nil apiClient", resourceCRD)
+		return false, fmt.Errorf("%s builder cannot have nil apiClient", resourceCRD)
 	}
 
 	if builder.errorMsg != "" {