autoscaling

type CrossVersionObjectReference struct {
	// Kind of the referent; More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#types-kinds"
	Kind string
	// Name of the referent; More info: http://kubernetes.io/docs/user-guide/identifiers#names
	Name string
	// API version of the referent
	// +optional
	APIVersion string
}

type HorizontalPodAutoscaler struct {
	metav1.TypeMeta
	// +optional
	metav1.ObjectMeta

	// behaviour of autoscaler. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status.
	// +optional
	Spec HorizontalPodAutoscalerSpec

	// current information about the autoscaler.
	// +optional
	Status HorizontalPodAutoscalerStatus
}

type HorizontalPodAutoscalerList struct {
	metav1.TypeMeta
	// +optional
	metav1.ListMeta

	// list of horizontal pod autoscaler objects.
	Items []HorizontalPodAutoscaler
}

type HorizontalPodAutoscalerSpec struct {
	// 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.
	ScaleTargetRef CrossVersionObjectReference
	// lower limit for the number of pods that can be set by the autoscaler, default 1.
	// +optional
	MinReplicas *int32
	// upper limit for the number of pods that can be set by the autoscaler. It cannot be smaller than MinReplicas.
	MaxReplicas int32
	// 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
	TargetCPUUtilizationPercentage *int32
}

type HorizontalPodAutoscalerStatus struct {
	// most recent generation observed by this autoscaler.
	// +optional
	ObservedGeneration *int64

	// 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

	// current number of replicas of pods managed by this autoscaler.
	CurrentReplicas int32

	// desired number of replicas of pods managed by this autoscaler.
	DesiredReplicas int32

	// 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
	CurrentCPUUtilizationPercentage *int32
}

type Scale struct {
	metav1.TypeMeta
	// Standard object metadata; More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#metadata.
	// +optional
	metav1.ObjectMeta

	// defines the behavior of the scale. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status.
	// +optional
	Spec ScaleSpec

	// current status of the scale. More info: http://releases.k8s.io/HEAD/docs/devel/api-conventions.md#spec-and-status. Read-only.
	// +optional
	Status ScaleStatus
}

type ScaleSpec struct {
	// desired number of instances for the scaled object.
	// +optional
	Replicas int32
}

type ScaleStatus struct {
	// actual number of observed instances of the scaled object.
	Replicas int32

	// 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: http://kubernetes.io/docs/user-guide/labels#label-selectors
	// +optional
	Selector string
}