feat: add %K8S_RESOURCE_KIND% tag format for default tags (#214)

Add support for including the Kubernetes resource Kind in default tags
through a new %K8S_RESOURCE_KIND% format placeholder.

Author: a-hilaly

pkg/runtime/tags.go

@@ -75,6 +75,14 @@ var ACKResourceTagFormats = map[string]resolveTagFormat{
 	) string {
 		return obj.GetName()
 	},
+
+	acktags.ResourceKindTagFormat: func(
+		obj rtclient.Object,
+		md acktypes.ServiceControllerMetadata,
+	) string {
+		gvk := obj.GetObjectKind().GroupVersionKind()
+		return gvk.Kind
+	},
 }
 
 // GetDefaultTags provides Default tags (key value pairs) for given resource

pkg/tags/tag_format.go

@@ -18,4 +18,5 @@ const (
 	ControllerVersionTagFormat = "%CONTROLLER_VERSION%"
 	NamespaceTagFormat         = "%K8S_NAMESPACE%"
 	ResourceNameTagFormat      = "%K8S_RESOURCE_NAME%"
+	ResourceKindTagFormat      = "%K8S_RESOURCE_KIND%"
 )