/*
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.
*/


// This file was autogenerated by go-to-protobuf. Do not edit it manually!

syntax = 'proto2';

package k8s.io.kubernetes.pkg.apis.autoscaling.v1;

import "k8s.io/kubernetes/pkg/api/resource/generated.proto";
import "k8s.io/kubernetes/pkg/api/unversioned/generated.proto";
import "k8s.io/kubernetes/pkg/api/v1/generated.proto";
import "k8s.io/kubernetes/pkg/runtime/generated.proto";
import "k8s.io/kubernetes/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: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#types-kinds"
  optional string kind = 1;

  // Name of the referent; More info: http://releases.k8s.io/release-1.4/docs/user-guide/identifiers.md#names
  optional string name = 2;

  // API version of the referent
  optional string apiVersion = 3;
}

// configuration of a horizontal pod autoscaler.
message HorizontalPodAutoscaler {
  // Standard object metadata. More info: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#metadata
  optional k8s.io.kubernetes.pkg.api.v1.ObjectMeta metadata = 1;

  // behaviour of autoscaler. More info: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#spec-and-status.
  optional HorizontalPodAutoscalerSpec spec = 2;

  // current information about the autoscaler.
  optional HorizontalPodAutoscalerStatus status = 3;
}

// list of horizontal pod autoscaler objects.
message HorizontalPodAutoscalerList {
  // Standard list metadata.
  optional k8s.io.kubernetes.pkg.api.unversioned.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 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 int32 targetCPUUtilizationPercentage = 4;
}

// current status of a horizontal pod autoscaler
message HorizontalPodAutoscalerStatus {
  // most recent generation observed by this autoscaler.
  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 k8s.io.kubernetes.pkg.api.unversioned.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 int32 currentCPUUtilizationPercentage = 5;
}

// Scale represents a scaling request for a resource.
message Scale {
  // Standard object metadata; More info: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#metadata.
  optional k8s.io.kubernetes.pkg.api.v1.ObjectMeta metadata = 1;

  // defines the behavior of the scale. More info: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#spec-and-status.
  optional ScaleSpec spec = 2;

  // current status of the scale. More info: http://releases.k8s.io/release-1.4/docs/devel/api-conventions.md#spec-and-status. Read-only.
  optional ScaleStatus status = 3;
}

// ScaleSpec describes the attributes of a scale subresource.
message ScaleSpec {
  // desired number of instances for the scaled object.
  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://releases.k8s.io/release-1.4/docs/user-guide/labels.md#label-selectors
  optional string selector = 2;
}

