Davanum Srinivas <******@****.***> 1717690718 -0400

limitations under the License.
*/

package cidrset

import (
	"sync"

	"k8s.io/component-base/metrics"
	"k8s.io/component-base/metrics/legacyregistry"
)

const nodeIpamSubsystem = "node_ipam_controller"

var (
	cidrSetAllocations = metrics.NewCounterVec(
		&metrics.CounterOpts{
			Subsystem:      nodeIpamSubsystem,
			Name:           "cidrset_cidrs_allocations_total",

	defaultNodeMaskCIDRIPv6 = 64
)

type nodeIPAMController struct {
	nodeIPAMControllerConfiguration nodeipamconfig.NodeIPAMControllerConfiguration
	nodeIPAMControllerOptions       nodeipamcontrolleroptions.NodeIPAMControllerOptions
}

	nodeipamconfig "k8s.io/kubernetes/pkg/controller/nodeipam/config"
)

// NodeIPAMControllerOptions holds the NodeIpamController options.
type NodeIPAMControllerOptions struct {
	*nodeipamconfig.NodeIPAMControllerConfiguration
}

// AddFlags adds flags related to NodeIpamController for controller manager to the specified FlagSet.
func (o *NodeIPAMControllerOptions) AddFlags(fs *pflag.FlagSet) {
	if o == nil {
		return

	// Here is an example to add an controller(NodeIpamController) which will be used by cloud provider
	// generate nodeIPAMConfig. Here is an sample code.
	// If you do not need additional controller, please ignore.

	nodeIpamController := nodeIPAMController{}
	nodeIpamController.nodeIPAMControllerOptions.NodeIPAMControllerConfiguration = &nodeIpamController.nodeIPAMControllerConfiguration
	fss := cliflag.NamedFlagSets{}

			&componentConfig.LegacySATokenCleaner,
		},
		NamespaceController: &NamespaceControllerOptions{
			&componentConfig.NamespaceController,
		},
		NodeIPAMController: &NodeIPAMControllerOptions{
			&componentConfig.NodeIPAMController,
		},
		NodeLifecycleController: &NodeLifecycleControllerOptions{
			&componentConfig.NodeLifecycleController,
		},

	out.JobController = in.JobController
	out.CronJobController = in.CronJobController
	out.LegacySATokenCleaner = in.LegacySATokenCleaner
	out.NamespaceController = in.NamespaceController
	out.NodeIPAMController = in.NodeIPAMController
	out.NodeLifecycleController = in.NodeLifecycleController
	out.PersistentVolumeBinderController = in.PersistentVolumeBinderController
	out.PodGCController = in.PodGCController

	// service cidr processing
	if len(strings.TrimSpace(controllerContext.ComponentConfig.NodeIPAMController.ServiceCIDR)) != 0 {
		_, serviceCIDR, err = netutils.ParseCIDRSloppy(controllerContext.ComponentConfig.NodeIPAMController.ServiceCIDR)
		if err != nil {
			logger.Info("Warning: unsuccessful parsing of service CIDR", "CIDR", controllerContext.ComponentConfig.NodeIPAMController.ServiceCIDR, "err", err)
		}
	}

	// related features.
	NamespaceController namespaceconfig.NamespaceControllerConfiguration
	// NodeIPAMControllerConfiguration holds configuration for NodeIPAMController
	// related features.
	NodeIPAMController nodeipamconfig.NodeIPAMControllerConfiguration
	// NodeLifecycleControllerConfiguration holds configuration for
	// NodeLifecycleController related features.

		return err
	}
	if err := nodeipamconfigv1alpha1.Convert_v1alpha1_NodeIPAMControllerConfiguration_To_config_NodeIPAMControllerConfiguration(&in.NodeIPAMController, &out.NodeIPAMController, s); err != nil {
		return err
	}