kind: RoleBinding
metadata:
  name: fluentd-gcp-scaler-binding
  namespace: kube-system
  labels:
    kubernetes.io/cluster-service: "true"
    addonmanager.kubernetes.io/mode: Reconcile
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: system:fluentd-gcp-scaler
subjects:
- kind: ServiceAccount
  name: fluentd-gcp-scaler

  // status defines current status of the scale. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#spec-and-status. Read-only.
  // +optional
  optional ScaleStatus status = 3;
}

// ScaleSpec describes the attributes of a scale subresource
message ScaleSpec {
  // replicas is the number of observed instances of the scaled object.
  // +optional
  optional int32 replicas = 1;

      "properties": {
        "scale": {
          "$ref": "#/definitions/io.k8s.apiextensions-apiserver.pkg.apis.apiextensions.v1.CustomResourceSubresourceScale",
          "description": "scale indicates the custom resource should serve a `/scale` subresource that returns an `autoscaling/v1` Scale object."
        },
        "status": {

Marian Lobur <******@****.***> 1618829053 +0200

)

// +genclient
// +genclient:method=GetScale,verb=get,subresource=scale,result=k8s.io/api/autoscaling/v1.Scale
// +genclient:method=UpdateScale,verb=update,subresource=scale,input=k8s.io/api/autoscaling/v1.Scale,result=k8s.io/api/autoscaling/v1.Scale
// +genclient:method=ApplyScale,verb=apply,subresource=scale,input=k8s.io/api/autoscaling/v1.Scale,result=k8s.io/api/autoscaling/v1.Scale
// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object

// with apply.
type HorizontalPodAutoscalerBehaviorApplyConfiguration struct {
	ScaleUp   *HPAScalingRulesApplyConfiguration `json:"scaleUp,omitempty"`
	ScaleDown *HPAScalingRulesApplyConfiguration `json:"scaleDown,omitempty"`
}

	// in both Up and Down directions (scaleUp and scaleDown fields respectively).
	// If not set, the default HPAScalingRules for scale up and scale down are used.
	// +optional
	Behavior *HorizontalPodAutoscalerBehavior
}

// HorizontalPodAutoscalerBehavior configures a scaling behavior for Up and Down direction
// (scaleUp and scaleDown fields respectively).
type HorizontalPodAutoscalerBehavior struct {

- Replace scale down forbidden window with scale down stabilization window. Rather than waiting a fixed period of time between scale downs HPA now scales down to the highest recommendation it during the scale down stabilization window. ([#68122](https://github.com/kubernetes/kubernetes/pull/68122), [@krzysztof-jastrzebski](https://github.com/krzysztof-jastrzebski))...

	maxUnavailable := deploymentutil.MaxUnavailable(*deployment)

	// Check if we can scale down. We can scale down in the following 2 cases:
	// * Some old replica sets have unhealthy replicas, we could safely scale down those unhealthy replicas since that won't further
	//  increase unavailability.
	// * New replica set has scaled up and it's replicas becomes ready, then we can scale down old replica sets in a further step.
	//

)

// ValidateScale validates a Scale and returns an ErrorList with any errors.
func ValidateScale(scale *autoscaling.Scale) field.ErrorList {
	allErrs := field.ErrorList{}
	allErrs = append(allErrs, apivalidation.ValidateObjectMeta(&scale.ObjectMeta, true, apimachineryvalidation.NameIsDNSSubdomain, field.NewPath("metadata"))...)

	if scale.Spec.Replicas < 0 {