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/autoscaling/v1/generated.proto b/metrics-server/vendor/k8s.io/api/autoscaling/v1/generated.proto
new file mode 100644
index 0000000..2ff7f9e
--- /dev/null
+++ b/metrics-server/vendor/k8s.io/api/autoscaling/v1/generated.proto
@@ -0,0 +1,382 @@
+/*
+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.autoscaling.v1;
+
+import "k8s.io/api/core/v1/generated.proto";
+import "k8s.io/apimachinery/pkg/api/resource/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";
+
+// CrossVersionObjectReference contains enough information to let you identify the referred resource.
+message CrossVersionObjectReference {
+  // Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds"
+  optional string kind = 1;
+
+  // Name of the referent; More info: http://kubernetes.io/docs/user-guide/identifiers#names
+  optional string name = 2;
+
+  // API version of the referent
+  // +optional
+  optional string apiVersion = 3;
+}
+
+// ExternalMetricSource indicates how to scale on a metric not associated with
+// any Kubernetes object (for example length of queue in cloud
+// messaging service, or QPS from loadbalancer running outside of cluster).
+message ExternalMetricSource {
+  // metricName is the name of the metric in question.
+  optional string metricName = 1;
+
+  // metricSelector is used to identify a specific time series
+  // within a given metric.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;
+
+  // targetValue is the target value of the metric (as a quantity).
+  // Mutually exclusive with TargetAverageValue.
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;
+
+  // targetAverageValue is the target per-pod value of global metric (as a quantity).
+  // Mutually exclusive with TargetValue.
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 4;
+}
+
+// ExternalMetricStatus indicates the current value of a global metric
+// not associated with any Kubernetes object.
+message ExternalMetricStatus {
+  // metricName is the name of a metric used for autoscaling in
+  // metric system.
+  optional string metricName = 1;
+
+  // metricSelector is used to identify a specific time series
+  // within a given metric.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;
+
+  // currentValue is the current value of the metric (as a quantity)
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity currentValue = 3;
+
+  // currentAverageValue is the current value of metric averaged over autoscaled pods.
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 4;
+}
+
+// configuration of a horizontal pod autoscaler.
+message HorizontalPodAutoscaler {
+  // Standard object 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;
+
+  // behaviour of autoscaler. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status.
+  // +optional
+  optional HorizontalPodAutoscalerSpec spec = 2;
+
+  // current information about the autoscaler.
+  // +optional
+  optional HorizontalPodAutoscalerStatus status = 3;
+}
+
+// HorizontalPodAutoscalerCondition describes the state of
+// a HorizontalPodAutoscaler at a certain point.
+message HorizontalPodAutoscalerCondition {
+  // type describes the current condition
+  optional string type = 1;
+
+  // status is the status of the condition (True, False, Unknown)
+  optional string status = 2;
+
+  // lastTransitionTime is the last time the condition transitioned from
+  // one status to another
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
+
+  // reason is the reason for the condition's last transition.
+  // +optional
+  optional string reason = 4;
+
+  // message is a human-readable explanation containing details about
+  // the transition
+  // +optional
+  optional string message = 5;
+}
+
+// list of horizontal pod autoscaler objects.
+message HorizontalPodAutoscalerList {
+  // Standard list metadata.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
+
+  // list of horizontal pod autoscaler objects.
+  repeated HorizontalPodAutoscaler items = 2;
+}
+
+// specification of a horizontal pod autoscaler.
+message HorizontalPodAutoscalerSpec {
+  // reference to scaled resource; horizontal pod autoscaler will learn the current resource consumption
+  // and will set the desired number of pods by using its Scale subresource.
+  optional CrossVersionObjectReference scaleTargetRef = 1;
+
+  // lower limit for the number of pods that can be set by the autoscaler, default 1.
+  // +optional
+  optional int32 minReplicas = 2;
+
+  // upper limit for the number of pods that can be set by the autoscaler; cannot be smaller than MinReplicas.
+  optional int32 maxReplicas = 3;
+
+  // target average CPU utilization (represented as a percentage of requested CPU) over all the pods;
+  // if not specified the default autoscaling policy will be used.
+  // +optional
+  optional int32 targetCPUUtilizationPercentage = 4;
+}
+
+// current status of a horizontal pod autoscaler
+message HorizontalPodAutoscalerStatus {
+  // most recent generation observed by this autoscaler.
+  // +optional
+  optional int64 observedGeneration = 1;
+
+  // last time the HorizontalPodAutoscaler scaled the number of pods;
+  // used by the autoscaler to control how often the number of pods is changed.
+  // +optional
+  optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastScaleTime = 2;
+
+  // current number of replicas of pods managed by this autoscaler.
+  optional int32 currentReplicas = 3;
+
+  // desired number of replicas of pods managed by this autoscaler.
+  optional int32 desiredReplicas = 4;
+
+  // current average CPU utilization over all pods, represented as a percentage of requested CPU,
+  // e.g. 70 means that an average pod is using now 70% of its requested CPU.
+  // +optional
+  optional int32 currentCPUUtilizationPercentage = 5;
+}
+
+// MetricSpec specifies how to scale based on a single metric
+// (only `type` and one other matching field should be set at once).
+message MetricSpec {
+  // type is the type of metric source.  It should be one of "Object",
+  // "Pods" or "Resource", each mapping to a matching field in the object.
+  optional string type = 1;
+
+  // object refers to a metric describing a single kubernetes object
+  // (for example, hits-per-second on an Ingress object).
+  // +optional
+  optional ObjectMetricSource object = 2;
+
+  // pods refers to a metric describing each pod in the current scale target
+  // (for example, transactions-processed-per-second).  The values will be
+  // averaged together before being compared to the target value.
+  // +optional
+  optional PodsMetricSource pods = 3;
+
+  // resource refers to a resource metric (such as those specified in
+  // requests and limits) known to Kubernetes describing each pod in the
+  // current scale target (e.g. CPU or memory). Such metrics are built in to
+  // Kubernetes, and have special scaling options on top of those available
+  // to normal per-pod metrics using the "pods" source.
+  // +optional
+  optional ResourceMetricSource resource = 4;
+
+  // external refers to a global metric that is not associated
+  // with any Kubernetes object. It allows autoscaling based on information
+  // coming from components running outside of cluster
+  // (for example length of queue in cloud messaging service, or
+  // QPS from loadbalancer running outside of cluster).
+  // +optional
+  optional ExternalMetricSource external = 5;
+}
+
+// MetricStatus describes the last-read state of a single metric.
+message MetricStatus {
+  // type is the type of metric source.  It will be one of "Object",
+  // "Pods" or "Resource", each corresponds to a matching field in the object.
+  optional string type = 1;
+
+  // object refers to a metric describing a single kubernetes object
+  // (for example, hits-per-second on an Ingress object).
+  // +optional
+  optional ObjectMetricStatus object = 2;
+
+  // pods refers to a metric describing each pod in the current scale target
+  // (for example, transactions-processed-per-second).  The values will be
+  // averaged together before being compared to the target value.
+  // +optional
+  optional PodsMetricStatus pods = 3;
+
+  // resource refers to a resource metric (such as those specified in
+  // requests and limits) known to Kubernetes describing each pod in the
+  // current scale target (e.g. CPU or memory). Such metrics are built in to
+  // Kubernetes, and have special scaling options on top of those available
+  // to normal per-pod metrics using the "pods" source.
+  // +optional
+  optional ResourceMetricStatus resource = 4;
+
+  // external refers to a global metric that is not associated
+  // with any Kubernetes object. It allows autoscaling based on information
+  // coming from components running outside of cluster
+  // (for example length of queue in cloud messaging service, or
+  // QPS from loadbalancer running outside of cluster).
+  // +optional
+  optional ExternalMetricStatus external = 5;
+}
+
+// ObjectMetricSource indicates how to scale on a metric describing a
+// kubernetes object (for example, hits-per-second on an Ingress object).
+message ObjectMetricSource {
+  // target is the described Kubernetes object.
+  optional CrossVersionObjectReference target = 1;
+
+  // metricName is the name of the metric in question.
+  optional string metricName = 2;
+
+  // targetValue is the target value of the metric (as a quantity).
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;
+}
+
+// ObjectMetricStatus indicates the current value of a metric describing a
+// kubernetes object (for example, hits-per-second on an Ingress object).
+message ObjectMetricStatus {
+  // target is the described Kubernetes object.
+  optional CrossVersionObjectReference target = 1;
+
+  // metricName is the name of the metric in question.
+  optional string metricName = 2;
+
+  // currentValue is the current value of the metric (as a quantity).
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity currentValue = 3;
+}
+
+// PodsMetricSource indicates how to scale on a metric describing each pod in
+// the current scale target (for example, transactions-processed-per-second).
+// The values will be averaged together before being compared to the target
+// value.
+message PodsMetricSource {
+  // metricName is the name of the metric in question
+  optional string metricName = 1;
+
+  // targetAverageValue is the target value of the average of the
+  // metric across all relevant pods (as a quantity)
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 2;
+}
+
+// PodsMetricStatus indicates the current value of a metric describing each pod in
+// the current scale target (for example, transactions-processed-per-second).
+message PodsMetricStatus {
+  // metricName is the name of the metric in question
+  optional string metricName = 1;
+
+  // currentAverageValue is the current value of the average of the
+  // metric across all relevant pods (as a quantity)
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 2;
+}
+
+// ResourceMetricSource indicates how to scale on a resource metric known to
+// Kubernetes, as specified in requests and limits, describing each pod in the
+// current scale target (e.g. CPU or memory).  The values will be averaged
+// together before being compared to the target.  Such metrics are built in to
+// Kubernetes, and have special scaling options on top of those available to
+// normal per-pod metrics using the "pods" source.  Only one "target" type
+// should be set.
+message ResourceMetricSource {
+  // name is the name of the resource in question.
+  optional string name = 1;
+
+  // targetAverageUtilization is the target value of the average of the
+  // resource metric across all relevant pods, represented as a percentage of
+  // the requested value of the resource for the pods.
+  // +optional
+  optional int32 targetAverageUtilization = 2;
+
+  // targetAverageValue is the target value of the average of the
+  // resource metric across all relevant pods, as a raw value (instead of as
+  // a percentage of the request), similar to the "pods" metric source type.
+  // +optional
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 3;
+}
+
+// ResourceMetricStatus indicates the current value of a resource metric known to
+// Kubernetes, as specified in requests and limits, describing each pod in the
+// current scale target (e.g. CPU or memory).  Such metrics are built in to
+// Kubernetes, and have special scaling options on top of those available to
+// normal per-pod metrics using the "pods" source.
+message ResourceMetricStatus {
+  // name is the name of the resource in question.
+  optional string name = 1;
+
+  // currentAverageUtilization is the current value of the average of the
+  // resource metric across all relevant pods, represented as a percentage of
+  // the requested value of the resource for the pods.  It will only be
+  // present if `targetAverageValue` was set in the corresponding metric
+  // specification.
+  // +optional
+  optional int32 currentAverageUtilization = 2;
+
+  // currentAverageValue is the current value of the average of the
+  // resource metric across all relevant pods, as a raw value (instead of as
+  // a percentage of the request), similar to the "pods" metric source type.
+  // It will always be set, regardless of the corresponding metric specification.
+  optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 3;
+}
+
+// Scale represents a scaling request for a resource.
+message Scale {
+  // Standard object 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;
+
+  // defines the behavior of the scale. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status.
+  // +optional
+  optional ScaleSpec spec = 2;
+
+  // current status of the scale. More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status. Read-only.
+  // +optional
+  optional ScaleStatus status = 3;
+}
+
+// ScaleSpec describes the attributes of a scale subresource.
+message ScaleSpec {
+  // desired number of instances for the scaled object.
+  // +optional
+  optional int32 replicas = 1;
+}
+
+// ScaleStatus represents the current status of a scale subresource.
+message ScaleStatus {
+  // actual number of observed instances of the scaled object.
+  optional int32 replicas = 1;
+
+  // label query over pods that should match the replicas count. This is same
+  // as the label selector but in the string format to avoid introspection
+  // by clients. The string will be in the same format as the query-param syntax.
+  // More info about label selectors: http://kubernetes.io/docs/user-guide/labels#label-selectors
+  // +optional
+  optional string selector = 2;
+}
+