kubernetes/staging/src/k8s.io/apimachinery/pkg/apis/meta/v1/controller_ref.go

// IsControlledBy checks if the  object has a controllerRef set to the given owner
func IsControlledBy(obj Object, owner Object) bool { … }

// GetControllerOf returns a pointer to a copy of the controllerRef if controllee has a controller
func GetControllerOf(controllee Object) *OwnerReference { … }

// GetControllerOfNoCopy returns a pointer to the controllerRef if controllee has a controller
func GetControllerOfNoCopy(controllee Object) *OwnerReference { … }

// NewControllerRef creates an OwnerReference pointing to the given owner.
func NewControllerRef(owner Object, gvk schema.GroupVersionKind) *OwnerReference { … }