// filteredControllerDescriptors returns all controllerDescriptors after filtering through filterFunc.
func filteredControllerDescriptors(controllerDescriptors map[string]*ControllerDescriptor, filterFunc leadermigration.FilterFunc, expected leadermigration.FilterResult) map[string]*ControllerDescriptor {
	resultControllers := make(map[string]*ControllerDescriptor)
	for name, controllerDesc := range controllerDescriptors {
		if filterFunc(name) == expected {

	defaultNodeMaskCIDRIPv4 = 24
	// defaultNodeMaskCIDRIPv6 is default mask size for IPv6 node cidr
	defaultNodeMaskCIDRIPv6 = 64
)

func newServiceLBControllerDescriptor() *ControllerDescriptor {
	return &ControllerDescriptor{
		name:                      cpnames.ServiceLBController,
		aliases:                   []string{"service"},
		initFunc:                  startServiceLBController,
		isCloudProviderController: true,

	"k8s.io/kubernetes/pkg/controller/certificates/signer"
	csrsigningconfig "k8s.io/kubernetes/pkg/controller/certificates/signer/config"
)

func newCertificateSigningRequestSigningControllerDescriptor() *ControllerDescriptor {
	return &ControllerDescriptor{
		name:     names.CertificateSigningRequestSigningController,
		aliases:  []string{"csrsigning"},
		initFunc: startCertificateSigningRequestSigningController,
	}
}