WIP: add conversion webhook logic

apis/autoscaling/v1alpha2/hvpa_conversion.go

@@ -0,0 +1,98 @@
+package v1alpha2
+
+import (
+	"github.com/gardener/hvpa-controller/apis/autoscaling/v1alpha1"
+	autoscalingv2 "k8s.io/api/autoscaling/v2"
+	autoscalingv2beta1 "k8s.io/api/autoscaling/v2beta1"
+	"sigs.k8s.io/controller-runtime/pkg/conversion"
+)
+
+func (src *Hvpa) ConvertTo(dstRaw conversion.Hub) error {
+	return nil
+}
+
+func Convert_v2beta1_ResourceMetricSource_To_autoscaling_ResourceMetricSource(in *autoscalingv2beta1.ResourceMetricSource) *autoscalingv2.ResourceMetricSource {
+	out := &autoscalingv2.ResourceMetricSource{}
+	out.Name = in.Name
+	utilization := in.TargetAverageUtilization
+	averageValue := in.TargetAverageValue
+
+	var metricType autoscalingv2.MetricTargetType
+	if utilization == nil {
+		metricType = autoscalingv2.AverageValueMetricType
+	} else {
+		metricType = autoscalingv2.UtilizationMetricType
+	}
+	out.Target = autoscalingv2.MetricTarget{
+		Type:               metricType,
+		AverageValue:       averageValue,
+		AverageUtilization: utilization,
+	}
+	return out
+}
+
+func (dst *Hvpa) ConvertFrom(srcRaw conversion.Hub) error {
+	src := srcRaw.(*v1alpha1.Hvpa)
+
+	dst.Spec.Replicas = src.Spec.Replicas
+	dst.Spec.Vpa = VpaSpec{
+		Selector:  src.Spec.Vpa.Selector,
+		Deploy:    src.Spec.Vpa.Deploy,
+		ScaleUp:   Convert_v1alpha1_ScaleType_To_ScaleType(src.Spec.Vpa.ScaleUp),
+		ScaleDown: Convert_v1alpha1_ScaleType_To_ScaleType(src.Spec.Vpa.ScaleDown),
+		Template: VpaTemplate{
+			ObjectMeta: src.Spec.Vpa.Template.ObjectMeta,
+			Spec:       VpaTemplateSpec(src.Spec.Vpa.Template.Spec),
+		},
+		LimitsRequestsGapScaleParams: Convert_v1alpha1_ScaleParams_To_ScaleParams(src.Spec.Vpa.LimitsRequestsGapScaleParams),
+	}
+	dst.Spec.WeightBasedScalingIntervals = []WeightBasedScalingInterval{}
+	for _, weightBasedScalingInterval := range src.Spec.WeightBasedScalingIntervals {
+		dst.Spec.WeightBasedScalingIntervals = append(dst.Spec.WeightBasedScalingIntervals, WeightBasedScalingInterval(weightBasedScalingInterval))
+	}
+	dst.Spec.TargetRef = &autoscalingv2.CrossVersionObjectReference{
+		Kind:       src.Spec.TargetRef.Kind,
+		Name:       src.Spec.TargetRef.Name,
+		APIVersion: src.Spec.TargetRef.APIVersion,
+	}
+	mw := MaintenanceTimeWindow(*src.Spec.MaintenanceTimeWindow)
+	dst.Spec.MaintenanceTimeWindow = &mw
+
+	dst.Spec.Hpa.Selector = src.Spec.Hpa.Selector
+	dst.Spec.Hpa.Deploy = src.Spec.Hpa.Deploy
+	dst.Spec.Hpa.ScaleUp = Convert_v1alpha1_ScaleType_To_ScaleType(src.Spec.Hpa.ScaleUp)
+	dst.Spec.Hpa.ScaleDown = Convert_v1alpha1_ScaleType_To_ScaleType(src.Spec.Hpa.ScaleDown)
+	dst.Spec.Hpa.Template.ObjectMeta = src.Spec.Hpa.Template.ObjectMeta
+	dst.Spec.Hpa.Template.Spec.MinReplicas = src.Spec.Hpa.Template.Spec.MinReplicas
+	dst.Spec.Hpa.Template.Spec.MaxReplicas = src.Spec.Hpa.Template.Spec.MaxReplicas
+	for _, metric := range src.Spec.Hpa.Template.Spec.Metrics {
+		ms := autoscalingv2.MetricSpec{
+			Type:              autoscalingv2.MetricSourceType(metric.Type),
+			Object:            nil,
+			Pods:              nil,
+			Resource:          Convert_v2beta1_ResourceMetricSource_To_autoscaling_ResourceMetricSource(metric.Resource),
+			ContainerResource: nil,
+			External:          nil,
+		}
+		dst.Spec.Hpa.Template.Spec.Metrics = append(dst.Spec.Hpa.Template.Spec.Metrics, ms)
+
+	}
+
+	return nil
+}
+
+func Convert_v1alpha1_ScaleParams_To_ScaleParams(in v1alpha1.ScaleParams) ScaleParams {
+	return ScaleParams{
+		CPU:      ChangeParams(in.CPU),
+		Memory:   ChangeParams(in.Memory),
+		Replicas: ChangeParams(in.Replicas),
+	}
+}
+
+func Convert_v1alpha1_ScaleType_To_ScaleType(in v1alpha1.ScaleType) ScaleType {
+	return ScaleType{
+		UpdatePolicy:          UpdatePolicy(in.UpdatePolicy),
+		MinChange:             Convert_v1alpha1_ScaleParams_To_ScaleParams(in.MinChange),
+		StabilizationDuration: in.StabilizationDuration,
+	}
+}