diff --git a/metrics-server/vendor/k8s.io/api/autoscaling/v2beta1/types.go b/metrics-server/vendor/k8s.io/api/autoscaling/v2beta1/types.go
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+/*
+Copyright 2016 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.
+*/
+
+package v2beta1
+
+import (
+	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/resource"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// CrossVersionObjectReference contains enough information to let you identify the referred resource.
+type CrossVersionObjectReference struct {
+	// Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds"
+	Kind string `json:"kind" protobuf:"bytes,1,opt,name=kind"`
+	// Name of the referent; More info: http://kubernetes.io/docs/user-guide/identifiers#names
+	Name string `json:"name" protobuf:"bytes,2,opt,name=name"`
+	// API version of the referent
+	// +optional
+	APIVersion string `json:"apiVersion,omitempty" protobuf:"bytes,3,opt,name=apiVersion"`
+}
+
+// HorizontalPodAutoscalerSpec describes the desired functionality of the HorizontalPodAutoscaler.
+type HorizontalPodAutoscalerSpec struct {
+	// scaleTargetRef points to the target resource to scale, and is used to the pods for which metrics
+	// should be collected, as well as to actually change the replica count.
+	ScaleTargetRef CrossVersionObjectReference `json:"scaleTargetRef" protobuf:"bytes,1,opt,name=scaleTargetRef"`
+	// minReplicas is the lower limit for the number of replicas to which the autoscaler can scale down.
+	// It defaults to 1 pod.
+	// +optional
+	MinReplicas *int32 `json:"minReplicas,omitempty" protobuf:"varint,2,opt,name=minReplicas"`
+	// maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up.
+	// It cannot be less that minReplicas.
+	MaxReplicas int32 `json:"maxReplicas" protobuf:"varint,3,opt,name=maxReplicas"`
+	// metrics contains the specifications for which to use to calculate the
+	// desired replica count (the maximum replica count across all metrics will
+	// be used).  The desired replica count is calculated multiplying the
+	// ratio between the target value and the current value by the current
+	// number of pods.  Ergo, metrics used must decrease as the pod count is
+	// increased, and vice-versa.  See the individual metric source types for
+	// more information about how each type of metric must respond.
+	// +optional
+	Metrics []MetricSpec `json:"metrics,omitempty" protobuf:"bytes,4,rep,name=metrics"`
+}
+
+// MetricSourceType indicates the type of metric.
+type MetricSourceType string
+
+var (
+	// ObjectMetricSourceType is a metric describing a kubernetes object
+	// (for example, hits-per-second on an Ingress object).
+	ObjectMetricSourceType MetricSourceType = "Object"
+	// PodsMetricSourceType is 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.
+	PodsMetricSourceType MetricSourceType = "Pods"
+	// ResourceMetricSourceType is 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 (the "pods" source).
+	ResourceMetricSourceType MetricSourceType = "Resource"
+	// ExternalMetricSourceType is 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).
+	ExternalMetricSourceType MetricSourceType = "External"
+)
+
+// MetricSpec specifies how to scale based on a single metric
+// (only `type` and one other matching field should be set at once).
+type MetricSpec struct {
+	// 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.
+	Type MetricSourceType `json:"type" protobuf:"bytes,1,name=type"`
+
+	// object refers to a metric describing a single kubernetes object
+	// (for example, hits-per-second on an Ingress object).
+	// +optional
+	Object *ObjectMetricSource `json:"object,omitempty" protobuf:"bytes,2,opt,name=object"`
+	// 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
+	Pods *PodsMetricSource `json:"pods,omitempty" protobuf:"bytes,3,opt,name=pods"`
+	// 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
+	Resource *ResourceMetricSource `json:"resource,omitempty" protobuf:"bytes,4,opt,name=resource"`
+	// 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
+	External *ExternalMetricSource `json:"external,omitempty" protobuf:"bytes,5,opt,name=external"`
+}
+
+// ObjectMetricSource indicates how to scale on a metric describing a
+// kubernetes object (for example, hits-per-second on an Ingress object).
+type ObjectMetricSource struct {
+	// target is the described Kubernetes object.
+	Target CrossVersionObjectReference `json:"target" protobuf:"bytes,1,name=target"`
+
+	// metricName is the name of the metric in question.
+	MetricName string `json:"metricName" protobuf:"bytes,2,name=metricName"`
+	// targetValue is the target value of the metric (as a quantity).
+	TargetValue resource.Quantity `json:"targetValue" protobuf:"bytes,3,name=targetValue"`
+}
+
+// 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.
+type PodsMetricSource struct {
+	// metricName is the name of the metric in question
+	MetricName string `json:"metricName" protobuf:"bytes,1,name=metricName"`
+	// targetAverageValue is the target value of the average of the
+	// metric across all relevant pods (as a quantity)
+	TargetAverageValue resource.Quantity `json:"targetAverageValue" protobuf:"bytes,2,name=targetAverageValue"`
+}
+
+// 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.
+type ResourceMetricSource struct {
+	// name is the name of the resource in question.
+	Name v1.ResourceName `json:"name" protobuf:"bytes,1,name=name"`
+	// 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
+	TargetAverageUtilization *int32 `json:"targetAverageUtilization,omitempty" protobuf:"varint,2,opt,name=targetAverageUtilization"`
+	// 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
+	TargetAverageValue *resource.Quantity `json:"targetAverageValue,omitempty" protobuf:"bytes,3,opt,name=targetAverageValue"`
+}
+
+// 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).
+// Exactly one "target" type should be set.
+type ExternalMetricSource struct {
+	// metricName is the name of the metric in question.
+	MetricName string `json:"metricName" protobuf:"bytes,1,name=metricName"`
+	// metricSelector is used to identify a specific time series
+	// within a given metric.
+	// +optional
+	MetricSelector *metav1.LabelSelector `json:"metricSelector,omitempty" protobuf:"bytes,2,opt,name=metricSelector"`
+	// targetValue is the target value of the metric (as a quantity).
+	// Mutually exclusive with TargetAverageValue.
+	// +optional
+	TargetValue *resource.Quantity `json:"targetValue,omitempty" protobuf:"bytes,3,opt,name=targetValue"`
+	// targetAverageValue is the target per-pod value of global metric (as a quantity).
+	// Mutually exclusive with TargetValue.
+	// +optional
+	TargetAverageValue *resource.Quantity `json:"targetAverageValue,omitempty" protobuf:"bytes,4,opt,name=targetAverageValue"`
+}
+
+// HorizontalPodAutoscalerStatus describes the current status of a horizontal pod autoscaler.
+type HorizontalPodAutoscalerStatus struct {
+	// observedGeneration is the most recent generation observed by this autoscaler.
+	// +optional
+	ObservedGeneration *int64 `json:"observedGeneration,omitempty" protobuf:"varint,1,opt,name=observedGeneration"`
+
+	// lastScaleTime is the last time the HorizontalPodAutoscaler scaled the number of pods,
+	// used by the autoscaler to control how often the number of pods is changed.
+	// +optional
+	LastScaleTime *metav1.Time `json:"lastScaleTime,omitempty" protobuf:"bytes,2,opt,name=lastScaleTime"`
+
+	// currentReplicas is current number of replicas of pods managed by this autoscaler,
+	// as last seen by the autoscaler.
+	CurrentReplicas int32 `json:"currentReplicas" protobuf:"varint,3,opt,name=currentReplicas"`
+
+	// desiredReplicas is the desired number of replicas of pods managed by this autoscaler,
+	// as last calculated by the autoscaler.
+	DesiredReplicas int32 `json:"desiredReplicas" protobuf:"varint,4,opt,name=desiredReplicas"`
+
+	// currentMetrics is the last read state of the metrics used by this autoscaler.
+	CurrentMetrics []MetricStatus `json:"currentMetrics" protobuf:"bytes,5,rep,name=currentMetrics"`
+
+	// conditions is the set of conditions required for this autoscaler to scale its target,
+	// and indicates whether or not those conditions are met.
+	Conditions []HorizontalPodAutoscalerCondition `json:"conditions" protobuf:"bytes,6,rep,name=conditions"`
+}
+
+// HorizontalPodAutoscalerConditionType are the valid conditions of
+// a HorizontalPodAutoscaler.
+type HorizontalPodAutoscalerConditionType string
+
+var (
+	// ScalingActive indicates that the HPA controller is able to scale if necessary:
+	// it's correctly configured, can fetch the desired metrics, and isn't disabled.
+	ScalingActive HorizontalPodAutoscalerConditionType = "ScalingActive"
+	// AbleToScale indicates a lack of transient issues which prevent scaling from occurring,
+	// such as being in a backoff window, or being unable to access/update the target scale.
+	AbleToScale HorizontalPodAutoscalerConditionType = "AbleToScale"
+	// ScalingLimited indicates that the calculated scale based on metrics would be above or
+	// below the range for the HPA, and has thus been capped.
+	ScalingLimited HorizontalPodAutoscalerConditionType = "ScalingLimited"
+)
+
+// HorizontalPodAutoscalerCondition describes the state of
+// a HorizontalPodAutoscaler at a certain point.
+type HorizontalPodAutoscalerCondition struct {
+	// type describes the current condition
+	Type HorizontalPodAutoscalerConditionType `json:"type" protobuf:"bytes,1,name=type"`
+	// status is the status of the condition (True, False, Unknown)
+	Status v1.ConditionStatus `json:"status" protobuf:"bytes,2,name=status"`
+	// lastTransitionTime is the last time the condition transitioned from
+	// one status to another
+	// +optional
+	LastTransitionTime metav1.Time `json:"lastTransitionTime,omitempty" protobuf:"bytes,3,opt,name=lastTransitionTime"`
+	// reason is the reason for the condition's last transition.
+	// +optional
+	Reason string `json:"reason,omitempty" protobuf:"bytes,4,opt,name=reason"`
+	// message is a human-readable explanation containing details about
+	// the transition
+	// +optional
+	Message string `json:"message,omitempty" protobuf:"bytes,5,opt,name=message"`
+}
+
+// MetricStatus describes the last-read state of a single metric.
+type MetricStatus struct {
+	// 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.
+	Type MetricSourceType `json:"type" protobuf:"bytes,1,name=type"`
+
+	// object refers to a metric describing a single kubernetes object
+	// (for example, hits-per-second on an Ingress object).
+	// +optional
+	Object *ObjectMetricStatus `json:"object,omitempty" protobuf:"bytes,2,opt,name=object"`
+	// 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
+	Pods *PodsMetricStatus `json:"pods,omitempty" protobuf:"bytes,3,opt,name=pods"`
+	// 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
+	Resource *ResourceMetricStatus `json:"resource,omitempty" protobuf:"bytes,4,opt,name=resource"`
+	// 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
+	External *ExternalMetricStatus `json:"external,omitempty" protobuf:"bytes,5,opt,name=external"`
+}
+
+// ObjectMetricStatus indicates the current value of a metric describing a
+// kubernetes object (for example, hits-per-second on an Ingress object).
+type ObjectMetricStatus struct {
+	// target is the described Kubernetes object.
+	Target CrossVersionObjectReference `json:"target" protobuf:"bytes,1,name=target"`
+
+	// metricName is the name of the metric in question.
+	MetricName string `json:"metricName" protobuf:"bytes,2,name=metricName"`
+	// currentValue is the current value of the metric (as a quantity).
+	CurrentValue resource.Quantity `json:"currentValue" protobuf:"bytes,3,name=currentValue"`
+}
+
+// PodsMetricStatus indicates the current value of a metric describing each pod in
+// the current scale target (for example, transactions-processed-per-second).
+type PodsMetricStatus struct {
+	// metricName is the name of the metric in question
+	MetricName string `json:"metricName" protobuf:"bytes,1,name=metricName"`
+	// currentAverageValue is the current value of the average of the
+	// metric across all relevant pods (as a quantity)
+	CurrentAverageValue resource.Quantity `json:"currentAverageValue" protobuf:"bytes,2,name=currentAverageValue"`
+}
+
+// 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.
+type ResourceMetricStatus struct {
+	// name is the name of the resource in question.
+	Name v1.ResourceName `json:"name" protobuf:"bytes,1,name=name"`
+	// 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
+	CurrentAverageUtilization *int32 `json:"currentAverageUtilization,omitempty" protobuf:"bytes,2,opt,name=currentAverageUtilization"`
+	// 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.
+	CurrentAverageValue resource.Quantity `json:"currentAverageValue" protobuf:"bytes,3,name=currentAverageValue"`
+}
+
+// ExternalMetricStatus indicates the current value of a global metric
+// not associated with any Kubernetes object.
+type ExternalMetricStatus struct {
+	// metricName is the name of a metric used for autoscaling in
+	// metric system.
+	MetricName string `json:"metricName" protobuf:"bytes,1,name=metricName"`
+	// metricSelector is used to identify a specific time series
+	// within a given metric.
+	// +optional
+	MetricSelector *metav1.LabelSelector `json:"metricSelector,omitempty" protobuf:"bytes,2,opt,name=metricSelector"`
+	// currentValue is the current value of the metric (as a quantity)
+	CurrentValue resource.Quantity `json:"currentValue" protobuf:"bytes,3,name=currentValue"`
+	// currentAverageValue is the current value of metric averaged over autoscaled pods.
+	// +optional
+	CurrentAverageValue *resource.Quantity `json:"currentAverageValue,omitempty" protobuf:"bytes,4,opt,name=currentAverageValue"`
+}
+
+// +genclient
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// HorizontalPodAutoscaler is the configuration for a horizontal pod
+// autoscaler, which automatically manages the replica count of any resource
+// implementing the scale subresource based on the metrics specified.
+type HorizontalPodAutoscaler struct {
+	metav1.TypeMeta `json:",inline"`
+	// metadata is the standard object metadata.
+	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
+	// +optional
+	metav1.ObjectMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+
+	// spec is the specification for the behaviour of the autoscaler.
+	// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status.
+	// +optional
+	Spec HorizontalPodAutoscalerSpec `json:"spec,omitempty" protobuf:"bytes,2,opt,name=spec"`
+
+	// status is the current information about the autoscaler.
+	// +optional
+	Status HorizontalPodAutoscalerStatus `json:"status,omitempty" protobuf:"bytes,3,opt,name=status"`
+}
+
+// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
+
+// HorizontalPodAutoscaler is a list of horizontal pod autoscaler objects.
+type HorizontalPodAutoscalerList struct {
+	metav1.TypeMeta `json:",inline"`
+	// metadata is the standard list metadata.
+	// +optional
+	metav1.ListMeta `json:"metadata,omitempty" protobuf:"bytes,1,opt,name=metadata"`
+
+	// items is the list of horizontal pod autoscaler objects.
+	Items []HorizontalPodAutoscaler `json:"items" protobuf:"bytes,2,rep,name=items"`
+}