"k8s.io/apimachinery/pkg/labels"
	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	api "k8s.io/kubernetes/pkg/apis/core"
	storageapi "k8s.io/kubernetes/pkg/apis/storage"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

func newStorage(t *testing.T) (*REST, *etcd3testing.EtcdTestServer) {

	}

	// Start current version of etcd.
	runner := m.newServer()
	klog.Infof("Starting etcd version %s to capture rollback snapshot.", current.version)
	err = runner.Start(current.version)
	if err != nil {
		klog.Fatalf("Unable to automatically downgrade etcd: starting etcd version %s to capture rollback snapshot failed: %v", current.version, err)
		return nil, err
	}

See the License for the specific language governing permissions and
limitations under the License.
*/

package etcd3

import (
	"context"
	"strconv"
	"sync"
	"time"

	clientv3 "go.etcd.io/etcd/client/v3"
	"k8s.io/klog/v2"
)

const (
	compactRevKey = "compact_rev_key"
)

var (
	endpointsMapMu sync.Mutex
	endpointsMap   map[string]struct{}
)

	"k8s.io/apimachinery/pkg/runtime"
	"k8s.io/apimachinery/pkg/util/intstr"
	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	api "k8s.io/kubernetes/pkg/apis/core"
	"k8s.io/kubernetes/pkg/apis/networking"
	_ "k8s.io/kubernetes/pkg/apis/networking/install"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

export KUBE_GCE_IP_ALIAS_SUBNETWORK=${IP_ALIAS_SUBNETWORK}
export KUBE_GCE_NODE_IPAM_MODE="IPAMFromCluster"
export KUBE_GCE_ENABLE_IP_ALIASES=true
export SECONDARY_RANGE_NAME="pods-default"
export STORAGE_BACKEND="etcd3"
export STORAGE_MEDIA_TYPE="application/vnd.kubernetes.protobuf"
export ETCD_IMAGE=3.5.14-0
export ETCD_VERSION=3.5.14

# Upgrade master with updated kube envs
"${KUBE_ROOT}/cluster/gce/upgrade.sh" -M -l

	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	"k8s.io/apiserver/pkg/registry/rest"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

func newStorage(t *testing.T) (*REST, *StatusREST, *etcd3testing.EtcdTestServer) {
	etcdStorage, server := registrytest.NewEtcdStorage(t, autoscaling.GroupName)

	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	"k8s.io/apiserver/pkg/registry/rest"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	"k8s.io/kubernetes/pkg/apis/resource"
	_ "k8s.io/kubernetes/pkg/apis/resource/install"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

		"version of etcd to migrate to. Format must be <major>.<minor>.<patch>. If unset fallbacks to TARGET_VERSION env.")
	flags.StringVar(&opts.targetStorage, "target-storage", "",
		"storage version of etcd to migrate to, one of: etcd2, etcd3. If unset fallbacks to TARGET_STORAGE env.")
	flags.StringVar(&opts.etcdServerArgs, "etcd-server-extra-args", "",

	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	"k8s.io/apiserver/pkg/registry/rest"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	"k8s.io/kubernetes/pkg/apis/scheduling"
	schedulingapiv1 "k8s.io/kubernetes/pkg/apis/scheduling/v1"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

	"k8s.io/apiserver/pkg/registry/generic"
	genericregistrytest "k8s.io/apiserver/pkg/registry/generic/testing"
	"k8s.io/apiserver/pkg/registry/rest"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	"k8s.io/kubernetes/pkg/apis/policy"
	"k8s.io/kubernetes/pkg/registry/registrytest"
)

func newStorage(t *testing.T) (*REST, *StatusREST, *etcd3testing.EtcdTestServer) {