"k8s.io/kubernetes/cmd/kubeadm/app/cmd/options"
	"k8s.io/kubernetes/cmd/kubeadm/app/cmd/phases/workflow"
	cmdutil "k8s.io/kubernetes/cmd/kubeadm/app/cmd/util"
	etcdphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/etcd"
	etcdutil "k8s.io/kubernetes/cmd/kubeadm/app/util/etcd"
)

var (
	etcdLocalExample = cmdutil.Examples(`
		# Generates the static Pod manifest file for etcd, functionally
		# equivalent to what is generated by kubeadm init.

}

// getEtcdCertVolumes returns the volumes/volumemounts needed for talking to an external etcd cluster
func getEtcdCertVolumes(etcdCfg *kubeadmapi.ExternalEtcd, k8sCertificatesDir string) ([]v1.Volume, []v1.VolumeMount) {
	certPaths := []string{etcdCfg.CAFile, etcdCfg.CertFile, etcdCfg.KeyFile}
	certDirs := sets.New[string]()
	for _, certPath := range certPaths {
		certDir := filepath.ToSlash(filepath.Dir(certPath))

			return err
		}
	case config.EtcdSubSys:
		etcdCfg, err := etcd.LookupConfig(s[config.EtcdSubSys][config.Default], globalRootCAs)
		if err != nil {
			return err
		}
		if etcdCfg.Enabled {
			etcdClnt, err := etcd.New(etcdCfg)
			if err != nil {
				return err
			}
			etcdClnt.Close()
		}
	case config.IdentityOpenIDSubSys:

}

// IntegrationEtcdServers returns etcd server URLs.
func IntegrationEtcdServers() []string {
	if etcdURL, ok := os.LookupEnv("KUBE_INTEGRATION_ETCD_URL"); ok {
		return []string{etcdURL}
	}
	return []string{"http://127.0.0.1:2379"}

	"github.com/google/go-cmp/cmp"
	"github.com/lithammer/dedent"

	v1 "k8s.io/api/core/v1"
	kubeadmapi "k8s.io/kubernetes/cmd/kubeadm/app/apis/kubeadm"
	kubeadmconstants "k8s.io/kubernetes/cmd/kubeadm/app/constants"
	etcdutil "k8s.io/kubernetes/cmd/kubeadm/app/util/etcd"
	staticpodutil "k8s.io/kubernetes/cmd/kubeadm/app/util/staticpod"
	testutil "k8s.io/kubernetes/cmd/kubeadm/test"
)

func TestGetEtcdPodSpec(t *testing.T) {

- kubeadm: use etcd's /health endpoint for a HTTP liveness probe on localhost instead of having a custom health check using etcdctl ([#81385](https://github.com/kubernetes/kubernetes/pull/81385), [@neolit123](https://github.com/neolit123))

### etcd Empty Dir Cleanup
* Base etcd-empty-dir-cleanup on busybox, run as nobody, and update to etcdctl 3.0.14 ([#41674](https://github.com/kubernetes/kubernetes/pull/41674), [@ixdy](https://github.com/ixdy))

### Fluentd

	cr, err := createCustomResource(storage.CustomResource, modifiedRno, t)
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	etcdCR, err := storage.CustomResource.Get(ctx, cr.GetName(), &metav1.GetOptions{})
	if err != nil {
		t.Errorf("unexpected error: %v", err)
	}
	storedCR, _ := etcdCR.(*unstructured.Unstructured)

	// Generation initialization
	if storedCR.GetGeneration() != 1 {

	etcdphase "k8s.io/kubernetes/cmd/kubeadm/app/phases/etcd"
	kubeadmutil "k8s.io/kubernetes/cmd/kubeadm/app/util"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient"
	dryrunutil "k8s.io/kubernetes/cmd/kubeadm/app/util/dryrun"
	etcdutil "k8s.io/kubernetes/cmd/kubeadm/app/util/etcd"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/image"
	"k8s.io/kubernetes/cmd/kubeadm/app/util/staticpod"
)

				Metadata: Metadata{
					Name:      "bar",
					Namespace: "",
				},
			},
		},
	}

	etcdURL, ok := os.LookupEnv("KUBE_INTEGRATION_ETCD_URL")
	if !ok {
		etcdURL = "http://127.0.0.1:2379"
	}
	cfg := clientv3.Config{
		Endpoints: []string{etcdURL},
	}
	c, err := clientv3.New(cfg)
	if err != nil {
		t.Fatal(err)
	}
	kv := clientv3.NewKV(c)