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364 lines
15 KiB
Protocol Buffer
364 lines
15 KiB
Protocol Buffer
/*
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Copyright The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file was autogenerated by go-to-protobuf. Do not edit it manually!
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syntax = 'proto2';
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package k8s.io.api.autoscaling.v2beta1;
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import "k8s.io/api/core/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/api/resource/generated.proto";
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import "k8s.io/apimachinery/pkg/apis/meta/v1/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/generated.proto";
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import "k8s.io/apimachinery/pkg/runtime/schema/generated.proto";
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import "k8s.io/apimachinery/pkg/util/intstr/generated.proto";
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// Package-wide variables from generator "generated".
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option go_package = "v2beta1";
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// CrossVersionObjectReference contains enough information to let you identify the referred resource.
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message CrossVersionObjectReference {
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// Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#types-kinds"
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optional string kind = 1;
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// Name of the referent; More info: http://kubernetes.io/docs/user-guide/identifiers#names
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optional string name = 2;
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// API version of the referent
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// +optional
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optional string apiVersion = 3;
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}
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// ExternalMetricSource indicates how to scale on a metric not associated with
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// any Kubernetes object (for example length of queue in cloud
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// messaging service, or QPS from loadbalancer running outside of cluster).
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// Exactly one "target" type should be set.
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message ExternalMetricSource {
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// metricName is the name of the metric in question.
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optional string metricName = 1;
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// metricSelector is used to identify a specific time series
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// within a given metric.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;
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// targetValue is the target value of the metric (as a quantity).
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// Mutually exclusive with TargetAverageValue.
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;
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// targetAverageValue is the target per-pod value of global metric (as a quantity).
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// Mutually exclusive with TargetValue.
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 4;
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}
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// ExternalMetricStatus indicates the current value of a global metric
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// not associated with any Kubernetes object.
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message ExternalMetricStatus {
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// metricName is the name of a metric used for autoscaling in
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// metric system.
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optional string metricName = 1;
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// metricSelector is used to identify a specific time series
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// within a given metric.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.LabelSelector metricSelector = 2;
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// currentValue is the current value of the metric (as a quantity)
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optional k8s.io.apimachinery.pkg.api.resource.Quantity currentValue = 3;
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// currentAverageValue is the current value of metric averaged over autoscaled pods.
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 4;
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}
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// HorizontalPodAutoscaler is the configuration for a horizontal pod
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// autoscaler, which automatically manages the replica count of any resource
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// implementing the scale subresource based on the metrics specified.
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message HorizontalPodAutoscaler {
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// metadata is the standard object metadata.
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// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#metadata
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ObjectMeta metadata = 1;
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// spec is the specification for the behaviour of the autoscaler.
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// More info: https://git.k8s.io/community/contributors/devel/api-conventions.md#spec-and-status.
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// +optional
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optional HorizontalPodAutoscalerSpec spec = 2;
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// status is the current information about the autoscaler.
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// +optional
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optional HorizontalPodAutoscalerStatus status = 3;
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}
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// HorizontalPodAutoscalerCondition describes the state of
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// a HorizontalPodAutoscaler at a certain point.
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message HorizontalPodAutoscalerCondition {
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// type describes the current condition
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optional string type = 1;
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// status is the status of the condition (True, False, Unknown)
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optional string status = 2;
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// lastTransitionTime is the last time the condition transitioned from
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// one status to another
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastTransitionTime = 3;
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// reason is the reason for the condition's last transition.
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// +optional
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optional string reason = 4;
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// message is a human-readable explanation containing details about
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// the transition
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// +optional
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optional string message = 5;
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}
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// HorizontalPodAutoscaler is a list of horizontal pod autoscaler objects.
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message HorizontalPodAutoscalerList {
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// metadata is the standard list metadata.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.ListMeta metadata = 1;
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// items is the list of horizontal pod autoscaler objects.
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repeated HorizontalPodAutoscaler items = 2;
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}
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// HorizontalPodAutoscalerSpec describes the desired functionality of the HorizontalPodAutoscaler.
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message HorizontalPodAutoscalerSpec {
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// scaleTargetRef points to the target resource to scale, and is used to the pods for which metrics
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// should be collected, as well as to actually change the replica count.
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optional CrossVersionObjectReference scaleTargetRef = 1;
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// minReplicas is the lower limit for the number of replicas to which the autoscaler can scale down.
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// It defaults to 1 pod.
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// +optional
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optional int32 minReplicas = 2;
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// maxReplicas is the upper limit for the number of replicas to which the autoscaler can scale up.
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// It cannot be less that minReplicas.
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optional int32 maxReplicas = 3;
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// metrics contains the specifications for which to use to calculate the
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// desired replica count (the maximum replica count across all metrics will
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// be used). The desired replica count is calculated multiplying the
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// ratio between the target value and the current value by the current
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// number of pods. Ergo, metrics used must decrease as the pod count is
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// increased, and vice-versa. See the individual metric source types for
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// more information about how each type of metric must respond.
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// +optional
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repeated MetricSpec metrics = 4;
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}
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// HorizontalPodAutoscalerStatus describes the current status of a horizontal pod autoscaler.
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message HorizontalPodAutoscalerStatus {
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// observedGeneration is the most recent generation observed by this autoscaler.
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// +optional
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optional int64 observedGeneration = 1;
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// lastScaleTime is the last time the HorizontalPodAutoscaler scaled the number of pods,
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// used by the autoscaler to control how often the number of pods is changed.
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// +optional
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optional k8s.io.apimachinery.pkg.apis.meta.v1.Time lastScaleTime = 2;
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// currentReplicas is current number of replicas of pods managed by this autoscaler,
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// as last seen by the autoscaler.
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optional int32 currentReplicas = 3;
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// desiredReplicas is the desired number of replicas of pods managed by this autoscaler,
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// as last calculated by the autoscaler.
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optional int32 desiredReplicas = 4;
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// currentMetrics is the last read state of the metrics used by this autoscaler.
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repeated MetricStatus currentMetrics = 5;
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// conditions is the set of conditions required for this autoscaler to scale its target,
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// and indicates whether or not those conditions are met.
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repeated HorizontalPodAutoscalerCondition conditions = 6;
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}
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// MetricSpec specifies how to scale based on a single metric
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// (only `type` and one other matching field should be set at once).
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message MetricSpec {
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// type is the type of metric source. It should be one of "Object",
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// "Pods" or "Resource", each mapping to a matching field in the object.
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optional string type = 1;
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// object refers to a metric describing a single kubernetes object
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// (for example, hits-per-second on an Ingress object).
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// +optional
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optional ObjectMetricSource object = 2;
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// pods refers to a metric describing each pod in the current scale target
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// (for example, transactions-processed-per-second). The values will be
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// averaged together before being compared to the target value.
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// +optional
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optional PodsMetricSource pods = 3;
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// resource refers to a resource metric (such as those specified in
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// requests and limits) known to Kubernetes describing each pod in the
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// current scale target (e.g. CPU or memory). Such metrics are built in to
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// Kubernetes, and have special scaling options on top of those available
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// to normal per-pod metrics using the "pods" source.
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// +optional
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optional ResourceMetricSource resource = 4;
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// external refers to a global metric that is not associated
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// with any Kubernetes object. It allows autoscaling based on information
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// coming from components running outside of cluster
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// (for example length of queue in cloud messaging service, or
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// QPS from loadbalancer running outside of cluster).
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// +optional
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optional ExternalMetricSource external = 5;
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}
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// MetricStatus describes the last-read state of a single metric.
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message MetricStatus {
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// type is the type of metric source. It will be one of "Object",
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// "Pods" or "Resource", each corresponds to a matching field in the object.
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optional string type = 1;
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// object refers to a metric describing a single kubernetes object
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// (for example, hits-per-second on an Ingress object).
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// +optional
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optional ObjectMetricStatus object = 2;
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// pods refers to a metric describing each pod in the current scale target
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// (for example, transactions-processed-per-second). The values will be
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// averaged together before being compared to the target value.
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// +optional
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optional PodsMetricStatus pods = 3;
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// resource refers to a resource metric (such as those specified in
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// requests and limits) known to Kubernetes describing each pod in the
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// current scale target (e.g. CPU or memory). Such metrics are built in to
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// Kubernetes, and have special scaling options on top of those available
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// to normal per-pod metrics using the "pods" source.
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// +optional
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optional ResourceMetricStatus resource = 4;
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// external refers to a global metric that is not associated
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// with any Kubernetes object. It allows autoscaling based on information
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// coming from components running outside of cluster
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// (for example length of queue in cloud messaging service, or
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// QPS from loadbalancer running outside of cluster).
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// +optional
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optional ExternalMetricStatus external = 5;
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}
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// ObjectMetricSource indicates how to scale on a metric describing a
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// kubernetes object (for example, hits-per-second on an Ingress object).
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message ObjectMetricSource {
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// target is the described Kubernetes object.
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optional CrossVersionObjectReference target = 1;
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// metricName is the name of the metric in question.
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optional string metricName = 2;
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// targetValue is the target value of the metric (as a quantity).
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optional k8s.io.apimachinery.pkg.api.resource.Quantity targetValue = 3;
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}
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// ObjectMetricStatus indicates the current value of a metric describing a
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// kubernetes object (for example, hits-per-second on an Ingress object).
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message ObjectMetricStatus {
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// target is the described Kubernetes object.
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optional CrossVersionObjectReference target = 1;
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// metricName is the name of the metric in question.
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optional string metricName = 2;
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// currentValue is the current value of the metric (as a quantity).
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optional k8s.io.apimachinery.pkg.api.resource.Quantity currentValue = 3;
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}
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// PodsMetricSource indicates how to scale on a metric describing each pod in
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// the current scale target (for example, transactions-processed-per-second).
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// The values will be averaged together before being compared to the target
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// value.
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message PodsMetricSource {
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// metricName is the name of the metric in question
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optional string metricName = 1;
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// targetAverageValue is the target value of the average of the
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// metric across all relevant pods (as a quantity)
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optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 2;
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}
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// PodsMetricStatus indicates the current value of a metric describing each pod in
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// the current scale target (for example, transactions-processed-per-second).
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message PodsMetricStatus {
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// metricName is the name of the metric in question
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optional string metricName = 1;
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// currentAverageValue is the current value of the average of the
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// metric across all relevant pods (as a quantity)
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optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 2;
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}
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// ResourceMetricSource indicates how to scale on a resource metric known to
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// Kubernetes, as specified in requests and limits, describing each pod in the
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// current scale target (e.g. CPU or memory). The values will be averaged
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// together before being compared to the target. Such metrics are built in to
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// Kubernetes, and have special scaling options on top of those available to
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// normal per-pod metrics using the "pods" source. Only one "target" type
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// should be set.
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message ResourceMetricSource {
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// name is the name of the resource in question.
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optional string name = 1;
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// targetAverageUtilization is the target value of the average of the
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// resource metric across all relevant pods, represented as a percentage of
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// the requested value of the resource for the pods.
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// +optional
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optional int32 targetAverageUtilization = 2;
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// targetAverageValue is the target value of the average of the
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// resource metric across all relevant pods, as a raw value (instead of as
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// a percentage of the request), similar to the "pods" metric source type.
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// +optional
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optional k8s.io.apimachinery.pkg.api.resource.Quantity targetAverageValue = 3;
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}
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// ResourceMetricStatus indicates the current value of a resource metric known to
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// Kubernetes, as specified in requests and limits, describing each pod in the
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// current scale target (e.g. CPU or memory). Such metrics are built in to
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// Kubernetes, and have special scaling options on top of those available to
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// normal per-pod metrics using the "pods" source.
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message ResourceMetricStatus {
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// name is the name of the resource in question.
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optional string name = 1;
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// currentAverageUtilization is the current value of the average of the
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// resource metric across all relevant pods, represented as a percentage of
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// the requested value of the resource for the pods. It will only be
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// present if `targetAverageValue` was set in the corresponding metric
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// specification.
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// +optional
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optional int32 currentAverageUtilization = 2;
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// currentAverageValue is the current value of the average of the
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// resource metric across all relevant pods, as a raw value (instead of as
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// a percentage of the request), similar to the "pods" metric source type.
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// It will always be set, regardless of the corresponding metric specification.
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optional k8s.io.apimachinery.pkg.api.resource.Quantity currentAverageValue = 3;
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}
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