deep copy

internal/k8s/resource.go

@@ -59,6 +59,28 @@ func (r *GenericResource) String() string {
 	return fmt.Sprintf("%s/%s/%s images: %s", r.Kind(), r.Namespace, r.Name, strings.Join(r.GetImages(), ", "))
 }
 
+// DeepCopy uses an autogenerated deepcopy functions, copying the receiver, creating a new GenericResource
+func (r *GenericResource) DeepCopy() *GenericResource {
+	gr := new(GenericResource)
+	if r.obj == nil {
+		return gr
+	}
+	gr.Identifier = r.Identifier
+	gr.Namespace = r.Namespace
+	gr.Name = r.Name
+
+	switch obj := r.obj.(type) {
+	case *apps_v1.Deployment:
+		gr.obj = obj.DeepCopy()
+	case *apps_v1.StatefulSet:
+		gr.obj = obj.DeepCopy()
+	case *apps_v1.DaemonSet:
+		gr.obj = obj.DeepCopy()
+	}
+
+	return gr
+}
+
 // GetIdentifier returns resource identifier
 func (r *GenericResource) GetIdentifier() string {
 	switch obj := r.obj.(type) {
@@ -146,23 +168,11 @@ func (r *GenericResource) SetLabels(labels map[string]string) {
 func (r *GenericResource) GetSpecAnnotations() (annotations map[string]string) {
 	switch obj := r.obj.(type) {
 	case *apps_v1.Deployment:
-		a := obj.Spec.Template.GetAnnotations()
-		if a == nil {
-			return make(map[string]string)
-		}
-		return a
+		return getOrInitialise(obj.Spec.Template.GetAnnotations())
 	case *apps_v1.StatefulSet:
-		a := obj.Spec.Template.GetAnnotations()
-		if a == nil {
-			return make(map[string]string)
-		}
-		return a
+		return getOrInitialise(obj.Spec.Template.GetAnnotations())
 	case *apps_v1.DaemonSet:
-		a := obj.Spec.Template.GetAnnotations()
-		if a == nil {
-			return make(map[string]string)
-		}
-		return a
+		return getOrInitialise(obj.Spec.Template.GetAnnotations())
 	}
 	return
 }