from writing to etcd during an etcd2 -> etcd3 migration.  HA installations cannot
be migrated at the current time using the official Kubernetes procedure.

1.6 will also default to protobuf encoding if using etcd3.  **This change is
irreversible.**  To rollback, you must restore from a backup made before the
protobuf/etcd3 switch, and any changes since the backup will be lost.  As 1.5

	"k8s.io/apiserver/pkg/registry/generic"
	genericregistry "k8s.io/apiserver/pkg/registry/generic/registry"
	"k8s.io/apiserver/pkg/registry/rest"
	"k8s.io/apiserver/pkg/server/options"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	"k8s.io/apiserver/pkg/util/webhook"
	"k8s.io/client-go/tools/cache"
	"k8s.io/kube-openapi/pkg/validation/spec"
)

func TestConvertFieldLabel(t *testing.T) {
	tests := []struct {
		name          string

  [[ -n "${SCHEDULER_PIDS-}" ]] && sudo kill "${SCHEDULER_PIDS[@]}" 2>/dev/null

  # Check if the etcd is still running
  [[ -n "${ETCD_PID-}" ]] && kube::etcd::stop
  if [[ "${PRESERVE_ETCD}" == "false" ]]; then
    [[ -n "${ETCD_DIR-}" ]] && kube::etcd::clean_etcd_dir
  fi

  exit 0
}

# Check if all processes are still running. Prints a warning once each time

	"k8s.io/apiserver/pkg/registry/rest"
	apiserverstorage "k8s.io/apiserver/pkg/storage"
	storeerr "k8s.io/apiserver/pkg/storage/errors"
	etcd3testing "k8s.io/apiserver/pkg/storage/etcd3/testing"
	api "k8s.io/kubernetes/pkg/apis/core"
	"k8s.io/kubernetes/pkg/registry/registrytest"
	"k8s.io/kubernetes/pkg/securitycontext"
)

	"k8s.io/apimachinery/pkg/types"
	"k8s.io/apimachinery/pkg/util/sets"
	"k8s.io/apimachinery/pkg/util/uuid"
	"k8s.io/apimachinery/pkg/util/wait"
	etcd3watcher "k8s.io/apiserver/pkg/storage/etcd3"
	"k8s.io/client-go/dynamic"
	_ "k8s.io/component-base/logs/testinit" // enable logging flags

	apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"

  version=$(etcd --version | grep Version | head -n 1 | cut -d " " -f 3)
  if [[ $(kube::etcd::version "${ETCD_VERSION}") -gt $(kube::etcd::version "${version}") ]]; then
   export PATH=${KUBE_ROOT}/third_party/etcd:${PATH}
   hash etcd
   echo "${PATH}"
   version=$(etcd --version | grep Version | head -n 1 | cut -d " " -f 3)

		if !ok {
			return errors.New("etcd phase invoked with an invalid data struct")
		}
		cfg := data.Cfg()

		// Add etcd static pod spec only if external etcd is not configured
		if cfg.Etcd.External == nil {
			// creates target folder if doesn't exist already
			if !data.DryRun() {
				// Create the etcd data directory
				if err := etcdutil.CreateDataDirectory(cfg.Etcd.Local.DataDir); err != nil {
					return err
				}

limitations under the License.
*/

package etcd

import (
	"context"
	"crypto/tls"
	"fmt"
	"net"
	"net/url"
	"path/filepath"
	"strconv"
	"strings"
	"time"

	"github.com/pkg/errors"
	"go.etcd.io/etcd/api/v3/etcdserverpb"
	"go.etcd.io/etcd/api/v3/v3rpc/rpctypes"
	"go.etcd.io/etcd/client/pkg/v3/transport"
	clientv3 "go.etcd.io/etcd/client/v3"
	"google.golang.org/grpc"

```
rm -rf /tmp/etcd-data.tmp && mkdir -p /tmp/etcd-data.tmp && \
  podman rmi gcr.io/etcd-development/etcd:v3.3.9 || true && \
  podman run \
  -p 2379:2379 \
  -p 2380:2380 \
  --mount type=bind,source=/tmp/etcd-data.tmp,destination=/etcd-data \
  --name etcd-gcr-v3.3.9 \
  gcr.io/etcd-development/etcd:v3.3.9 \
  /usr/local/bin/etcd \
  --name s1 \
  --data-dir /etcd-data \

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package etcd

import (
	"crypto/tls"
	"crypto/x509"
	"strings"
	"time"

	"github.com/minio/minio/internal/config"
	"github.com/minio/pkg/v3/env"
	xnet "github.com/minio/pkg/v3/net"
	clientv3 "go.etcd.io/etcd/client/v3"
	"go.etcd.io/etcd/client/v3/namespace"
	"go.uber.org/zap"
)

const (