fmt.Println("[upgrade/etcd] Rolling back etcd data")
			if err := rollbackEtcdData(cfg, pathMgr); err != nil {
				// Even copying back datastore failed, no options for recovery left, bailing out
				return true, errors.Errorf("fatal error rolling back local etcd cluster datadir: %v, the backup of etcd database is stored here:(%s)", err, backupEtcdDir)
			}

	"type":          "Type of daemon set update. Can be \"RollingUpdate\" or \"OnDelete\". Default is RollingUpdate.",
	"rollingUpdate": "Rolling update config params. Present only if type = \"RollingUpdate\".",
}

func (DaemonSetUpdateStrategy) SwaggerDoc() map[string]string {
	return map_DaemonSetUpdateStrategy
}

message DaemonSetUpdateStrategy {
  // Type of daemon set update. Can be "RollingUpdate" or "OnDelete". Default is RollingUpdate.
  // +optional
  optional string type = 1;

  // Rolling update config params. Present only if type = "RollingUpdate".
  // ---
  // TODO: Update this to follow our convention for oneOf, whatever we decide it
  // to be. Same as Deployment `strategy.rollingUpdate`.

			return nil
		})
	}

	// Restore the original value of the MeshConfig when the context completes.
	t.CleanupStrategy(cleanupStrategy, func() {
		// Invalidate the member mesh config again, since we're rolling back the changes.
		ic.mu.Lock()
		ic.injectConfig = nil
		ic.mu.Unlock()

		errG := multierror.Group{}
		mu.RLock()
		defer mu.RUnlock()
		for cn, mcYAML := range origCfg {

	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
		t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
	}
}

func TestSetDefaultStatefulSet(t *testing.T) {
	defaultLabels := map[string]string{"foo": "bar"}
	var defaultPartition int32 = 0
	var notTheDefaultPartition int32 = 42

	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
		t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
	}
}

func TestSetDefaultReplicaSetReplicas(t *testing.T) {
	tests := []struct {
		rs             appsv1beta2.ReplicaSet
		expectReplicas int32
	}{
		{
			rs: appsv1beta2.ReplicaSet{

// Only changing meaning of fields requires a version bump.
// bucketMetadataFormat refers to the format.
// bucketMetadataVersion can be used to track a rolling upgrade of a field.
type BucketMetadata struct {
	Name                        string
	Created                     time.Time
	LockEnabled                 bool // legacy not used anymore.
	PolicyConfigJSON            []byte

		// defines the maximum number of parallel retries a given Envoy will allow to the upstream cluster. Envoy defaults
		// this value to 3, however that has shown to be insufficient during periods of pod churn (e.g. rolling updates),
		// where multiple endpoints in a cluster are terminated. In these scenarios the circuit breaker can kick
		// in before Pilot is able to deliver an updated endpoint list to Envoy, leading to client-facing 503s.

	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}

	if *(d.Spec.Replicas)-int32(maxUnavailable) <= 0 {
		t.Fatalf("the default value of maxUnavailable can lead to no active replicas during rolling update")
	}
}

func TestSetDefaultReplicaSetReplicas(t *testing.T) {
	tests := []struct {
		rs             appsv1.ReplicaSet
		expectReplicas int32
	}{
		{
			rs: appsv1.ReplicaSet{

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

// Package deployment contains all the logic for handling Kubernetes Deployments.
// It implements a set of strategies (rolling, recreate) for deploying an application,
// the means to rollback to previous versions, proportional scaling for mitigating
// risk, cleanup policy, and other useful features of Deployments.
package deployment

import (