Package scheme contains utilities for gradually building Schemes, which contain information associating Go types with Kubernetes groups, versions, and kinds.

    Each API group should define a utility function called AddToScheme for adding its types to a Scheme:

    // in package myapigroupv1...
    var (
    	SchemeGroupVersion = schema.GroupVersion{Group: "", Version: "v1"}
    	SchemeBuilder = &scheme.Builder{GroupVersion: SchemeGroupVersion}
    	AddToScheme = SchemeBuilder.AddToScheme
    func init() {
    	SchemeBuilder.Register(&MyType{}, &MyTypeList)
    var (
    	scheme *runtime.Scheme = runtime.NewScheme()

    This also true of the built-in Kubernetes types. Then, in the entrypoint for your manager, assemble the scheme containing exactly the types you need, panicing if scheme registration failed. For instance, if our controller needs types from the core/v1 API group (e.g. Pod), plus types from

    func init() {
    func main() {
    	mgr := controllers.NewManager(context.Background(), controllers.GetConfigOrDie(), manager.Options{
    		Scheme: scheme,
    	// ...



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    type Builder

    type Builder struct {
    	GroupVersion schema.GroupVersion

      Builder builds a new Scheme for mapping go types to Kubernetes GroupVersionKinds.

      func (*Builder) AddToScheme

      func (bld *Builder) AddToScheme(s *runtime.Scheme) error

        AddToScheme adds all registered types to s.

        func (*Builder) Build

        func (bld *Builder) Build() (*runtime.Scheme, error)

          Build returns a new Scheme containing the registered types.

          func (*Builder) Register

          func (bld *Builder) Register(object ...runtime.Object) *Builder

            Register adds one or more objects to the SchemeBuilder so they can be added to a Scheme. Register mutates bld.

            func (*Builder) RegisterAll

            func (bld *Builder) RegisterAll(b *Builder) *Builder

              RegisterAll registers all types from the Builder argument. RegisterAll mutates bld.

              Source Files