Delete unused code

pkg/tls/storage.go

-package tls
-
-import (
-	"context"
-
-	"github.com/rancher/dynamiclistener"
-	v1 "github.com/rancher/k3s/pkg/apis/k3s.cattle.io/v1"
-	k3sclient "github.com/rancher/k3s/pkg/generated/controllers/k3s.cattle.io/v1"
-	"k8s.io/apimachinery/pkg/api/errors"
-	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
-)
-
-const (
-	ns   = "kube-system"
-	name = "tls-config"
-)
-
-func NewServer(ctx context.Context, listenerConfigs k3sclient.ListenerConfigController, config dynamiclistener.UserConfig) (dynamiclistener.ServerInterface, error) {
-	storage := &listenerConfigStorage{
-		client: listenerConfigs,
-		cache:  listenerConfigs.Cache(),
-		config: config,
-	}
-
-	server, err := dynamiclistener.NewServer(storage, config)
-	if err != nil {
-		return nil, err
-	}
-
-	listenerConfigs.OnChange(ctx, "listen-config", func(key string, obj *v1.ListenerConfig) (*v1.ListenerConfig, error) {
-		if obj == nil {
-			return nil, nil
-		}
-		return obj, server.Update(storage.fromStorage(obj))
-	})
-
-	return server, err
-}
-
-type listenerConfigStorage struct {
-	cache  k3sclient.ListenerConfigCache
-	client k3sclient.ListenerConfigClient
-	config dynamiclistener.UserConfig
-}
-
-func (l *listenerConfigStorage) Set(config *dynamiclistener.ListenerStatus) (*dynamiclistener.ListenerStatus, error) {
-	if config == nil {
-		return nil, nil
-	}
-
-	obj, err := l.cache.Get(ns, name)
-	if errors.IsNotFound(err) {
-		ls := v1.NewListenerConfig(ns, name, v1.ListenerConfig{
-			Status: *config,
-		})
-
-		ls, err := l.client.Create(ls)
-		return l.fromStorage(ls), err
-	} else if err != nil {
-		return nil, err
-	}
-
-	obj = obj.DeepCopy()
-	obj.ResourceVersion = config.Revision
-	obj.Status = *config
-	obj.Status.Revision = ""
-
-	if l.config.CAKey != "" {
-		obj.Status.CAKey = ""
-	}
-
-	obj, err = l.client.Update(obj)
-	return l.fromStorage(obj), err
-}
-
-func (l *listenerConfigStorage) Get() (*dynamiclistener.ListenerStatus, error) {
-	obj, err := l.cache.Get(ns, name)
-	if errors.IsNotFound(err) {
-		obj, err = l.client.Get(ns, name, metav1.GetOptions{})
-	}
-	if errors.IsNotFound(err) {
-		return &dynamiclistener.ListenerStatus{}, nil
-	}
-	return l.fromStorage(obj), err
-}
-
-func (l *listenerConfigStorage) fromStorage(obj *v1.ListenerConfig) *dynamiclistener.ListenerStatus {
-	if obj == nil {
-		return nil
-	}
-
-	copy := obj.DeepCopy()
-	copy.Status.Revision = obj.ResourceVersion
-
-	if l.config.CACerts != "" && l.config.CAKey != "" {
-		if copy.Status.CACert != l.config.CACerts {
-			copy.Status.CACert = l.config.CACerts
-			copy.Status.GeneratedCerts = map[string]string{}
-		}
-		copy.Status.CAKey = l.config.CAKey
-	}
-
-	return &copy.Status
-}