Fix validations

Co-authored-by: Marty Spiewak <mspiewak@vmware.com>

pkg/apis/v1alpha1/cluster_run_template.go

@@ -23,6 +23,7 @@ import (
 	"fmt"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/json"
 	"sigs.k8s.io/controller-runtime/pkg/webhook"
@@ -96,12 +97,12 @@ func (c *ClusterRunTemplate) ValidateDelete() error {
 }
 
 func (t *RunTemplateSpec) validate() error {
-	obj := metav1.PartialObjectMetadata{}
+	obj := unstructured.Unstructured{}
 	if err := json.Unmarshal(t.Template.Raw, &obj); err != nil {
 		return fmt.Errorf("invalid template: failed to parse object metadata: %w", err)
 	}
 
-	if obj.Namespace != metav1.NamespaceNone {
+	if obj.GetNamespace() != metav1.NamespaceNone {
 		return errors.New("invalid template: template should not set metadata.namespace on the child object")
 	}
 

pkg/apis/v1alpha1/cluster_template.go

@@ -23,6 +23,7 @@ import (
 	"fmt"
 
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/util/json"
 	"sigs.k8s.io/controller-runtime/pkg/webhook"
@@ -94,11 +95,11 @@ func (t *TemplateSpec) validate() error {
 		return fmt.Errorf("invalid template: must specify one of template or ytt, found both")
 	}
 	if t.Template != nil {
-		obj := metav1.PartialObjectMetadata{}
+		obj := unstructured.Unstructured{}
 		if err := json.Unmarshal(t.Template.Raw, &obj); err != nil {
 			return fmt.Errorf("invalid template: failed to parse object metadata: %w", err)
 		}
-		if obj.Namespace != metav1.NamespaceNone {
+		if obj.GetNamespace() != metav1.NamespaceNone {
 			return errors.New("invalid template: template should not set metadata.namespace on the child object")
 		}
 	}