{{- if and .Values.alertmanager.enabled .Values.alertmanager.verticalPodAutoscaler.enabled }}
apiVersion: autoscaling.k8s.io/v1
kind: VerticalPodAutoscaler
metadata:
  name: {{ template "kube-prometheus-stack.fullname" . }}-alertmanager
  namespace: {{ template "kube-prometheus-stack-alertmanager.namespace" . }}
  labels:
    app: {{ template "kube-prometheus-stack.name" . }}-alertmanager
    {{- include "kube-prometheus-stack.labels" . | nindent 4 }}
spec:
  {{- with .Values.alertmanager.verticalPodAutoscaler.recommenders }}
  recommenders:
    {{- toYaml . | nindent 4 }}
  {{- end }}
  resourcePolicy:
    containerPolicies:
    - containerName: alertmanager
      {{- with .Values.alertmanager.verticalPodAutoscaler.controlledResources }}
      controlledResources:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if .Values.alertmanager.verticalPodAutoscaler.controlledValues }}
      controlledValues: {{ .Values.alertmanager.verticalPodAutoscaler.controlledValues }}
      {{- end }}
      {{- if .Values.alertmanager.verticalPodAutoscaler.maxAllowed }}
      maxAllowed:
        {{- toYaml .Values.alertmanager.verticalPodAutoscaler.maxAllowed | nindent 8 }}
      {{- end }}
      {{- if .Values.alertmanager.verticalPodAutoscaler.minAllowed }}
      minAllowed:
        {{- toYaml .Values.alertmanager.verticalPodAutoscaler.minAllowed | nindent 8 }}
      {{- end }}
  targetRef:
    apiVersion: monitoring.coreos.com/v1
    kind: Alertmanager
    name: {{ template "kube-prometheus-stack.alertmanager.crname" . }}
  {{- with .Values.alertmanager.verticalPodAutoscaler.updatePolicy }}
  updatePolicy:
    {{- toYaml . | nindent 4 }}
  {{- end }}
{{- end }}