metrics     metricsRecorderInterface
	metricLabel string

	rand *rand.Rand
}

var _ Interface = &Allocator{}

// NewIPAllocator returns an IP allocator associated to a network range
// that use the IPAddress objectto track the assigned IP addresses,
// using an informer cache as storage.
func NewIPAllocator(
	cidr *net.IPNet,
	client networkingv1alpha1client.NetworkingV1alpha1Interface,

	for _, cidr := range cidrsToAdd.UnsortedList() {
		_, ipnet, err := netutils.ParseCIDRSloppy(cidr)
		if err != nil {
			return err
		}
		// New ServiceCIDR, create new allocator
		allocator, err := NewIPAllocator(ipnet, c.client, c.ipAddressInformer)
		if err != nil {
			errs = append(errs, err)
			continue
		}
		allocator.ready.Store(cidrReady[cidr])
		prefix, err := netip.ParsePrefix(cidr)
		if err != nil {

		ip := &networkingv1alpha1.IPAddress{}
		if exists && err == nil {
			ip = obj.(*networkingv1alpha1.IPAddress)
			err = ipStore.Delete(ip)
		}
		return false, ip, err
	}))

	c, err := NewIPAllocator(cidr, client.NetworkingV1alpha1(), ipInformer)
	if err != nil {
		return nil, err
	}
	c.ipAddressSynced = func() bool { return true }
	return c, nil
}

func TestAllocateIPAllocator(t *testing.T) {