manifests/charts/istio-control/istio-discovery/templates/autoscale.yaml

{{- if and .Values.pilot.autoscaleEnabled .Values.pilot.autoscaleMin .Values.pilot.autoscaleMax }}
{{- if not .Values.global.autoscalingv2API }}
apiVersion: autoscaling/v2beta1
kind: HorizontalPodAutoscaler
metadata:
  name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
  namespace: {{ .Release.Namespace }}
  labels:
    app: istiod
    release: {{ .Release.Name }}
    istio.io/rev: {{ .Values.revision | default "default" }}
    install.operator.istio.io/owning-resource: {{ .Values.ownerName | default "unknown" }}
    operator.istio.io/component: "Pilot"
spec:
  maxReplicas: {{ .Values.pilot.autoscaleMax }}
  minReplicas: {{ .Values.pilot.autoscaleMin }}
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
  metrics:
  - type: Resource
    resource:
      name: cpu
      targetAverageUtilization: {{ .Values.pilot.cpu.targetAverageUtilization }}
---
{{- else }}
{{- if (semverCompare ">=1.23-0" .Capabilities.KubeVersion.GitVersion)}}
apiVersion: autoscaling/v2
{{- else }}
apiVersion: autoscaling/v2beta2
{{- end }}
kind: HorizontalPodAutoscaler
metadata:
  name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
  namespace: {{ .Release.Namespace }}
  labels:
    app: istiod
    release: {{ .Release.Name }}
    istio.io/rev: {{ .Values.revision | default "default" }}
    install.operator.istio.io/owning-resource: {{ .Values.ownerName | default "unknown" }}
    operator.istio.io/component: "Pilot"
spec:
  maxReplicas: {{ .Values.pilot.autoscaleMax }}
  minReplicas: {{ .Values.pilot.autoscaleMin }}
  scaleTargetRef:
    apiVersion: apps/v1
    kind: Deployment
    name: istiod{{- if not (eq .Values.revision "") }}-{{ .Values.revision }}{{- end }}
  metrics:
  - type: Resource
    resource:
      name: cpu
      target:
        type: Utilization
        averageUtilization: {{ .Values.pilot.cpu.targetAverageUtilization }}
---
{{- end }}
{{- end }}