git subrepo clone (merge) https://github.com/kubernetes-incubator/metrics-server.git metrics-server

subrepo:
  subdir:   "metrics-server"
  merged:   "92d8412"
upstream:
  origin:   "https://github.com/kubernetes-incubator/metrics-server.git"
  branch:   "master"
  commit:   "92d8412"
git-subrepo:
  version:  "0.4.0"
  origin:   "???"
  commit:   "???"
diff --git a/metrics-server/vendor/k8s.io/api/apps/v1/generated.proto b/metrics-server/vendor/k8s.io/api/apps/v1/generated.proto
new file mode 100644
index 0000000..38d7c08
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/api/apps/v1/generated.proto
@@ -0,0 +1,701 @@
+/*
+Copyright The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+
+// This file was autogenerated by go-to-protobuf. Do not edit it manually!
+
+syntax = 'proto2';
+
+package k8s.io.api.apps.v1;
+
+import "k8s.io/api/core/v1/generated.proto";
+import "k8s.io/api/policy/v1beta1/generated.proto";
+import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
+import "k8s.io/apimachinery/pkg/runtime/generated.proto";
+import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
+import "k8s.io/apimachinery/pkg/util/intstr/generated.proto";
+
+// Package-wide variables from generator "generated".
+option go_package = "v1";
+
+// ControllerRevision implements an immutable snapshot of state data. Clients
+// are responsible for serializing and deserializing the objects that contain
+// their internal state.
+// Once a ControllerRevision has been successfully created, it can not be updated.
+// The API Server will fail validation of all requests that attempt to mutate
+// the Data field. ControllerRevisions may, however, be deleted. Note that, due to its use by both
+// the DaemonSet and StatefulSet controllers for update and rollback, this object is beta. However,
+// it may be subject to name and representation changes in future releases, and clients should not
+// depend on its stability. It is primarily for internal use by controllers.
+message ControllerRevision {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Data is the serialized representation of the state.
+  optional k8s.io.apimachinery.pkg.runtime.RawExtension data = 2;
+
+  // Revision indicates the revision of the state represented by Data.
+  optional int64 revision = 3;
+}
+
+// ControllerRevisionList is a resource containing a list of ControllerRevision objects.
+message ControllerRevisionList {
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is the list of ControllerRevisions
+  repeated ControllerRevision items = 2;
+}
+
+// DaemonSet represents the configuration of a daemon set.
+message DaemonSet {
+  // Standard object's metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // The desired behavior of this daemon set.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional DaemonSetSpec spec = 2;
+
+  // The current status of this daemon set. This data may be
+  // out of date by some window of time.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional DaemonSetStatus status = 3;
+}
+
+// DaemonSetCondition describes the state of a DaemonSet at a certain point.
+message DaemonSetCondition {
+  // Type of DaemonSet condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // Last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
+
+  // The reason for the condition's last transition.
+  // +optional
+  optional string reason = 4;
+
+  // A human readable message indicating details about the transition.
+  // +optional
+  optional string message = 5;
+}
+
+// DaemonSetList is a collection of daemon sets.
+message DaemonSetList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // A list of daemon sets.
+  repeated DaemonSet items = 2;
+}
+
+// DaemonSetSpec is the specification of a daemon set.
+message DaemonSetSpec {
+  // A label query over pods that are managed by the daemon set.
+  // Must match in order to be controlled.
+  // It must match the pod template's labels.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 1;
+
+  // An object that describes the pod that will be created.
+  // The DaemonSet will create exactly one copy of this pod on every node
+  // that matches the template's node selector (or on every node if no node
+  // selector is specified).
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template
+  optional k8s.io.api.core.v1.PodTemplateSpec template = 2;
+
+  // An update strategy to replace existing DaemonSet pods with new pods.
+  // +optional
+  optional DaemonSetUpdateStrategy updateStrategy = 3;
+
+  // The minimum number of seconds for which a newly created DaemonSet pod should
+  // be ready without any of its container crashing, for it to be considered
+  // available. Defaults to 0 (pod will be considered available as soon as it
+  // is ready).
+  // +optional
+  optional int32 minReadySeconds = 4;
+
+  // The number of old history to retain to allow rollback.
+  // This is a pointer to distinguish between explicit zero and not specified.
+  // Defaults to 10.
+  // +optional
+  optional int32 revisionHistoryLimit = 6;
+}
+
+// DaemonSetStatus represents the current status of a daemon set.
+message DaemonSetStatus {
+  // The number of nodes that are running at least 1
+  // daemon pod and are supposed to run the daemon pod.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
+  optional int32 currentNumberScheduled = 1;
+
+  // The number of nodes that are running the daemon pod, but are
+  // not supposed to run the daemon pod.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
+  optional int32 numberMisscheduled = 2;
+
+  // The total number of nodes that should be running the daemon
+  // pod (including nodes correctly running the daemon pod).
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/daemonset/
+  optional int32 desiredNumberScheduled = 3;
+
+  // The number of nodes that should be running the daemon pod and have one
+  // or more of the daemon pod running and ready.
+  optional int32 numberReady = 4;
+
+  // The most recent generation observed by the daemon set controller.
+  // +optional
+  optional int64 observedGeneration = 5;
+
+  // The total number of nodes that are running updated daemon pod
+  // +optional
+  optional int32 updatedNumberScheduled = 6;
+
+  // The number of nodes that should be running the
+  // daemon pod and have one or more of the daemon pod running and
+  // available (ready for at least spec.minReadySeconds)
+  // +optional
+  optional int32 numberAvailable = 7;
+
+  // The number of nodes that should be running the
+  // daemon pod and have none of the daemon pod running and available
+  // (ready for at least spec.minReadySeconds)
+  // +optional
+  optional int32 numberUnavailable = 8;
+
+  // Count of hash collisions for the DaemonSet. The DaemonSet controller
+  // uses this field as a collision avoidance mechanism when it needs to
+  // create the name for the newest ControllerRevision.
+  // +optional
+  optional int32 collisionCount = 9;
+
+  // Represents the latest available observations of a DaemonSet's current state.
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated DaemonSetCondition conditions = 10;
+}
+
+// DaemonSetUpdateStrategy is a struct used to control the update strategy for a DaemonSet.
+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`.
+  // See https://github.com/kubernetes/kubernetes/issues/35345
+  // +optional
+  optional RollingUpdateDaemonSet rollingUpdate = 2;
+}
+
+// Deployment enables declarative updates for Pods and ReplicaSets.
+message Deployment {
+  // Standard object metadata.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Specification of the desired behavior of the Deployment.
+  // +optional
+  optional DeploymentSpec spec = 2;
+
+  // Most recently observed status of the Deployment.
+  // +optional
+  optional DeploymentStatus status = 3;
+}
+
+// DeploymentCondition describes the state of a deployment at a certain point.
+message DeploymentCondition {
+  // Type of deployment condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // The last time this condition was updated.
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastUpdateTime = 6;
+
+  // Last time the condition transitioned from one status to another.
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 7;
+
+  // The reason for the condition's last transition.
+  optional string reason = 4;
+
+  // A human readable message indicating details about the transition.
+  optional string message = 5;
+}
+
+// DeploymentList is a list of Deployments.
+message DeploymentList {
+  // Standard list metadata.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // Items is the list of Deployments.
+  repeated Deployment items = 2;
+}
+
+// DeploymentSpec is the specification of the desired behavior of the Deployment.
+message DeploymentSpec {
+  // Number of desired pods. This is a pointer to distinguish between explicit
+  // zero and not specified. Defaults to 1.
+  // +optional
+  optional int32 replicas = 1;
+
+  // Label selector for pods. Existing ReplicaSets whose pods are
+  // selected by this will be the ones affected by this deployment.
+  // It must match the pod template's labels.
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;
+
+  // Template describes the pods that will be created.
+  optional k8s.io.api.core.v1.PodTemplateSpec template = 3;
+
+  // The deployment strategy to use to replace existing pods with new ones.
+  // +optional
+  optional DeploymentStrategy strategy = 4;
+
+  // Minimum number of seconds for which a newly created pod should be ready
+  // without any of its container crashing, for it to be considered available.
+  // Defaults to 0 (pod will be considered available as soon as it is ready)
+  // +optional
+  optional int32 minReadySeconds = 5;
+
+  // The number of old ReplicaSets to retain to allow rollback.
+  // This is a pointer to distinguish between explicit zero and not specified.
+  // Defaults to 10.
+  // +optional
+  optional int32 revisionHistoryLimit = 6;
+
+  // Indicates that the deployment is paused.
+  // +optional
+  optional bool paused = 7;
+
+  // The maximum time in seconds for a deployment to make progress before it
+  // is considered to be failed. The deployment controller will continue to
+  // process failed deployments and a condition with a ProgressDeadlineExceeded
+  // reason will be surfaced in the deployment status. Note that progress will
+  // not be estimated during the time a deployment is paused. Defaults to 600s.
+  optional int32 progressDeadlineSeconds = 9;
+}
+
+// DeploymentStatus is the most recently observed status of the Deployment.
+message DeploymentStatus {
+  // The generation observed by the deployment controller.
+  // +optional
+  optional int64 observedGeneration = 1;
+
+  // Total number of non-terminated pods targeted by this deployment (their labels match the selector).
+  // +optional
+  optional int32 replicas = 2;
+
+  // Total number of non-terminated pods targeted by this deployment that have the desired template spec.
+  // +optional
+  optional int32 updatedReplicas = 3;
+
+  // Total number of ready pods targeted by this deployment.
+  // +optional
+  optional int32 readyReplicas = 7;
+
+  // Total number of available pods (ready for at least minReadySeconds) targeted by this deployment.
+  // +optional
+  optional int32 availableReplicas = 4;
+
+  // Total number of unavailable pods targeted by this deployment. This is the total number of
+  // pods that are still required for the deployment to have 100% available capacity. They may
+  // either be pods that are running but not yet available or pods that still have not been created.
+  // +optional
+  optional int32 unavailableReplicas = 5;
+
+  // Represents the latest available observations of a deployment's current state.
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated DeploymentCondition conditions = 6;
+
+  // Count of hash collisions for the Deployment. The Deployment controller uses this
+  // field as a collision avoidance mechanism when it needs to create the name for the
+  // newest ReplicaSet.
+  // +optional
+  optional int32 collisionCount = 8;
+}
+
+// DeploymentStrategy describes how to replace existing pods with new ones.
+message DeploymentStrategy {
+  // Type of deployment. Can be "Recreate" or "RollingUpdate". Default is RollingUpdate.
+  // +optional
+  optional string type = 1;
+
+  // Rolling update config params. Present only if DeploymentStrategyType =
+  // RollingUpdate.
+  // ---
+  // TODO: Update this to follow our convention for oneOf, whatever we decide it
+  // to be.
+  // +optional
+  optional RollingUpdateDeployment rollingUpdate = 2;
+}
+
+// ReplicaSet ensures that a specified number of pod replicas are running at any given time.
+message ReplicaSet {
+  // If the Labels of a ReplicaSet are empty, they are defaulted to
+  // be the same as the Pod(s) that the ReplicaSet manages.
+  // Standard object's metadata. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the specification of the desired behavior of the ReplicaSet.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ReplicaSetSpec spec = 2;
+
+  // Status is the most recently observed status of the ReplicaSet.
+  // This data may be out of date by some window of time.
+  // Populated by the system.
+  // Read-only.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status
+  // +optional
+  optional ReplicaSetStatus status = 3;
+}
+
+// ReplicaSetCondition describes the state of a replica set at a certain point.
+message ReplicaSetCondition {
+  // Type of replica set condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // The last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
+
+  // The reason for the condition's last transition.
+  // +optional
+  optional string reason = 4;
+
+  // A human readable message indicating details about the transition.
+  // +optional
+  optional string message = 5;
+}
+
+// ReplicaSetList is a collection of ReplicaSets.
+message ReplicaSetList {
+  // Standard list metadata.
+  // More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // List of ReplicaSets.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller
+  repeated ReplicaSet items = 2;
+}
+
+// ReplicaSetSpec is the specification of a ReplicaSet.
+message ReplicaSetSpec {
+  // Replicas is the number of desired replicas.
+  // This is a pointer to distinguish between explicit zero and unspecified.
+  // Defaults to 1.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller
+  // +optional
+  optional int32 replicas = 1;
+
+  // Minimum number of seconds for which a newly created pod should be ready
+  // without any of its container crashing, for it to be considered available.
+  // Defaults to 0 (pod will be considered available as soon as it is ready)
+  // +optional
+  optional int32 minReadySeconds = 4;
+
+  // Selector is a label query over pods that should match the replica count.
+  // Label keys and values that must match in order to be controlled by this replica set.
+  // It must match the pod template's labels.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;
+
+  // Template is the object that describes the pod that will be created if
+  // insufficient replicas are detected.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller#pod-template
+  // +optional
+  optional k8s.io.api.core.v1.PodTemplateSpec template = 3;
+}
+
+// ReplicaSetStatus represents the current status of a ReplicaSet.
+message ReplicaSetStatus {
+  // Replicas is the most recently oberved number of replicas.
+  // More info: https://kubernetes.io/docs/concepts/workloads/controllers/replicationcontroller/#what-is-a-replicationcontroller
+  optional int32 replicas = 1;
+
+  // The number of pods that have labels matching the labels of the pod template of the replicaset.
+  // +optional
+  optional int32 fullyLabeledReplicas = 2;
+
+  // The number of ready replicas for this replica set.
+  // +optional
+  optional int32 readyReplicas = 4;
+
+  // The number of available replicas (ready for at least minReadySeconds) for this replica set.
+  // +optional
+  optional int32 availableReplicas = 5;
+
+  // ObservedGeneration reflects the generation of the most recently observed ReplicaSet.
+  // +optional
+  optional int64 observedGeneration = 3;
+
+  // Represents the latest available observations of a replica set's current state.
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated ReplicaSetCondition conditions = 6;
+}
+
+// Spec to control the desired behavior of daemon set rolling update.
+message RollingUpdateDaemonSet {
+  // The maximum number of DaemonSet pods that can be unavailable during the
+  // update. Value can be an absolute number (ex: 5) or a percentage of total
+  // number of DaemonSet pods at the start of the update (ex: 10%). Absolute
+  // number is calculated from percentage by rounding up.
+  // This cannot be 0.
+  // Default value is 1.
+  // Example: when this is set to 30%, at most 30% of the total number of nodes
+  // that should be running the daemon pod (i.e. status.desiredNumberScheduled)
+  // can have their pods stopped for an update at any given
+  // time. The update starts by stopping at most 30% of those DaemonSet pods
+  // and then brings up new DaemonSet pods in their place. Once the new pods
+  // are available, it then proceeds onto other DaemonSet pods, thus ensuring
+  // that at least 70% of original number of DaemonSet pods are available at
+  // all times during the update.
+  // +optional
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 1;
+}
+
+// Spec to control the desired behavior of rolling update.
+message RollingUpdateDeployment {
+  // The maximum number of pods that can be unavailable during the update.
+  // Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
+  // Absolute number is calculated from percentage by rounding down.
+  // This can not be 0 if MaxSurge is 0.
+  // Defaults to 25%.
+  // Example: when this is set to 30%, the old ReplicaSet can be scaled down to 70% of desired pods
+  // immediately when the rolling update starts. Once new pods are ready, old ReplicaSet
+  // can be scaled down further, followed by scaling up the new ReplicaSet, ensuring
+  // that the total number of pods available at all times during the update is at
+  // least 70% of desired pods.
+  // +optional
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxUnavailable = 1;
+
+  // The maximum number of pods that can be scheduled above the desired number of
+  // pods.
+  // Value can be an absolute number (ex: 5) or a percentage of desired pods (ex: 10%).
+  // This can not be 0 if MaxUnavailable is 0.
+  // Absolute number is calculated from percentage by rounding up.
+  // Defaults to 25%.
+  // Example: when this is set to 30%, the new ReplicaSet can be scaled up immediately when
+  // the rolling update starts, such that the total number of old and new pods do not exceed
+  // 130% of desired pods. Once old pods have been killed,
+  // new ReplicaSet can be scaled up further, ensuring that total number of pods running
+  // at any time during the update is at most 130% of desired pods.
+  // +optional
+  optional k8s.io.apimachinery.pkg.util.intstr.IntOrString maxSurge = 2;
+}
+
+// RollingUpdateStatefulSetStrategy is used to communicate parameter for RollingUpdateStatefulSetStrategyType.
+message RollingUpdateStatefulSetStrategy {
+  // Partition indicates the ordinal at which the StatefulSet should be
+  // partitioned.
+  // Default value is 0.
+  // +optional
+  optional int32 partition = 1;
+}
+
+// StatefulSet represents a set of pods with consistent identities.
+// Identities are defined as:
+//  - Network: A single stable DNS and hostname.
+//  - Storage: As many VolumeClaims as requested.
+// The StatefulSet guarantees that a given network identity will always
+// map to the same storage identity.
+message StatefulSet {
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
+
+  // Spec defines the desired identities of pods in this set.
+  // +optional
+  optional StatefulSetSpec spec = 2;
+
+  // Status is the current status of Pods in this StatefulSet. This data
+  // may be out of date by some window of time.
+  // +optional
+  optional StatefulSetStatus status = 3;
+}
+
+// StatefulSetCondition describes the state of a statefulset at a certain point.
+message StatefulSetCondition {
+  // Type of statefulset condition.
+  optional string type = 1;
+
+  // Status of the condition, one of True, False, Unknown.
+  optional string status = 2;
+
+  // Last time the condition transitioned from one status to another.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
+
+  // The reason for the condition's last transition.
+  // +optional
+  optional string reason = 4;
+
+  // A human readable message indicating details about the transition.
+  // +optional
+  optional string message = 5;
+}
+
+// StatefulSetList is a collection of StatefulSets.
+message StatefulSetList {
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  repeated StatefulSet items = 2;
+}
+
+// A StatefulSetSpec is the specification of a StatefulSet.
+message StatefulSetSpec {
+  // replicas is the desired number of replicas of the given Template.
+  // These are replicas in the sense that they are instantiations of the
+  // same Template, but individual replicas also have a consistent identity.
+  // If unspecified, defaults to 1.
+  // TODO: Consider a rename of this field.
+  // +optional
+  optional int32 replicas = 1;
+
+  // selector is a label query over pods that should match the replica count.
+  // It must match the pod template's labels.
+  // More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/labels/#label-selectors
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector selector = 2;
+
+  // template is the object that describes the pod that will be created if
+  // insufficient replicas are detected. Each pod stamped out by the StatefulSet
+  // will fulfill this Template, but have a unique identity from the rest
+  // of the StatefulSet.
+  optional k8s.io.api.core.v1.PodTemplateSpec template = 3;
+
+  // volumeClaimTemplates is a list of claims that pods are allowed to reference.
+  // The StatefulSet controller is responsible for mapping network identities to
+  // claims in a way that maintains the identity of a pod. Every claim in
+  // this list must have at least one matching (by name) volumeMount in one
+  // container in the template. A claim in this list takes precedence over
+  // any volumes in the template, with the same name.
+  // TODO: Define the behavior if a claim already exists with the same name.
+  // +optional
+  repeated k8s.io.api.core.v1.PersistentVolumeClaim volumeClaimTemplates = 4;
+
+  // serviceName is the name of the service that governs this StatefulSet.
+  // This service must exist before the StatefulSet, and is responsible for
+  // the network identity of the set. Pods get DNS/hostnames that follow the
+  // pattern: pod-specific-string.serviceName.default.svc.cluster.local
+  // where "pod-specific-string" is managed by the StatefulSet controller.
+  optional string serviceName = 5;
+
+  // podManagementPolicy controls how pods are created during initial scale up,
+  // when replacing pods on nodes, or when scaling down. The default policy is
+  // `OrderedReady`, where pods are created in increasing order (pod-0, then
+  // pod-1, etc) and the controller will wait until each pod is ready before
+  // continuing. When scaling down, the pods are removed in the opposite order.
+  // The alternative policy is `Parallel` which will create pods in parallel
+  // to match the desired scale without waiting, and on scale down will delete
+  // all pods at once.
+  // +optional
+  optional string podManagementPolicy = 6;
+
+  // updateStrategy indicates the StatefulSetUpdateStrategy that will be
+  // employed to update Pods in the StatefulSet when a revision is made to
+  // Template.
+  optional StatefulSetUpdateStrategy updateStrategy = 7;
+
+  // revisionHistoryLimit is the maximum number of revisions that will
+  // be maintained in the StatefulSet's revision history. The revision history
+  // consists of all revisions not represented by a currently applied
+  // StatefulSetSpec version. The default value is 10.
+  optional int32 revisionHistoryLimit = 8;
+}
+
+// StatefulSetStatus represents the current state of a StatefulSet.
+message StatefulSetStatus {
+  // observedGeneration is the most recent generation observed for this StatefulSet. It corresponds to the
+  // StatefulSet's generation, which is updated on mutation by the API Server.
+  // +optional
+  optional int64 observedGeneration = 1;
+
+  // replicas is the number of Pods created by the StatefulSet controller.
+  optional int32 replicas = 2;
+
+  // readyReplicas is the number of Pods created by the StatefulSet controller that have a Ready Condition.
+  optional int32 readyReplicas = 3;
+
+  // currentReplicas is the number of Pods created by the StatefulSet controller from the StatefulSet version
+  // indicated by currentRevision.
+  optional int32 currentReplicas = 4;
+
+  // updatedReplicas is the number of Pods created by the StatefulSet controller from the StatefulSet version
+  // indicated by updateRevision.
+  optional int32 updatedReplicas = 5;
+
+  // currentRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the
+  // sequence [0,currentReplicas).
+  optional string currentRevision = 6;
+
+  // updateRevision, if not empty, indicates the version of the StatefulSet used to generate Pods in the sequence
+  // [replicas-updatedReplicas,replicas)
+  optional string updateRevision = 7;
+
+  // collisionCount is the count of hash collisions for the StatefulSet. The StatefulSet controller
+  // uses this field as a collision avoidance mechanism when it needs to create the name for the
+  // newest ControllerRevision.
+  // +optional
+  optional int32 collisionCount = 9;
+
+  // Represents the latest available observations of a statefulset's current state.
+  // +optional
+  // +patchMergeKey=type
+  // +patchStrategy=merge
+  repeated StatefulSetCondition conditions = 10;
+}
+
+// StatefulSetUpdateStrategy indicates the strategy that the StatefulSet
+// controller will use to perform updates. It includes any additional parameters
+// necessary to perform the update for the indicated strategy.
+message StatefulSetUpdateStrategy {
+  // Type indicates the type of the StatefulSetUpdateStrategy.
+  // Default is RollingUpdate.
+  // +optional
+  optional string type = 1;
+
+  // RollingUpdate is used to communicate parameters when Type is RollingUpdateStatefulSetStrategyType.
+  // +optional
+  optional RollingUpdateStatefulSetStrategy rollingUpdate = 2;
+}
+