charts/coredns/templates/deployment-autoscaler.yaml

{{- if and (.Values.autoscaler.enabled) (not .Values.hpa.enabled) }}
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ template "coredns.fullname" . }}-autoscaler
  namespace: {{ .Release.Namespace }}
  labels: {{- include "coredns.labels.autoscaler" . | nindent 4 }}
{{- if .Values.customLabels }}
{{ toYaml .Values.customLabels | indent 4 }}
{{- end }}
{{- with .Values.customAnnotations }}
  annotations:
{{- toYaml . | nindent 4 }}
{{- end }}
spec:
  selector:
    matchLabels:
      app.kubernetes.io/instance: {{ .Release.Name | quote }}
      {{- if .Values.isClusterService }}
      k8s-app: {{ template "coredns.k8sapplabel" . }}-autoscaler
      {{- end }}
      app.kubernetes.io/name: {{ template "coredns.name" . }}-autoscaler
  template:
    metadata:
      labels:
        {{- if .Values.isClusterService }}
        {{- if not (hasKey .Values.customLabels "k8s-app")}}
        k8s-app: {{ template "coredns.k8sapplabel" . }}-autoscaler
        {{- end }}
        {{- end }}
        app.kubernetes.io/name: {{ template "coredns.name" . }}-autoscaler
        app.kubernetes.io/instance: {{ .Release.Name | quote }}
        {{- if .Values.customLabels }}
        {{ toYaml .Values.customLabels | nindent 8 }}
        {{- end }}
      annotations:
        checksum/configmap: {{ include (print $.Template.BasePath "/configmap-autoscaler.yaml") . | sha256sum }}
        {{- if .Values.isClusterService }}
        scheduler.alpha.kubernetes.io/tolerations: '[{"key":"CriticalAddonsOnly", "operator":"Exists"}]'
        {{- end }}
        {{- with .Values.autoscaler.podAnnotations }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
    spec:
      serviceAccountName: {{ template "coredns.fullname" . }}-autoscaler
      {{- $priorityClassName := default .Values.priorityClassName .Values.autoscaler.priorityClassName }}
      {{- if $priorityClassName }}
      priorityClassName: {{ $priorityClassName | quote }}
      {{- end }}
      {{- if .Values.autoscaler.affinity }}
      affinity:
{{ toYaml .Values.autoscaler.affinity | indent 8 }}
      {{- end }}
      {{- if .Values.autoscaler.tolerations }}
      tolerations:
{{ toYaml .Values.autoscaler.tolerations | indent 8 }}
      {{- end }}
      {{- if .Values.autoscaler.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.autoscaler.nodeSelector | indent 8 }}
      {{- end }}
      {{- if not (empty .Values.autoscaler.image.pullSecrets) }}
      imagePullSecrets:
{{ toYaml .Values.autoscaler.image.pullSecrets | indent 8 }}
      {{- end }}
      containers:
      - name: autoscaler
        image: "{{ .Values.autoscaler.image.repository }}:{{ .Values.autoscaler.image.tag }}"
        imagePullPolicy: {{ .Values.autoscaler.image.pullPolicy }}
        resources:
{{ toYaml .Values.autoscaler.resources | indent 10 }}
        {{- if .Values.autoscaler.livenessProbe.enabled }}
        livenessProbe:
          httpGet:
            path: /healthz
            port: 8080
            scheme: HTTP
          initialDelaySeconds: {{ .Values.autoscaler.livenessProbe.initialDelaySeconds }}
          periodSeconds: {{ .Values.autoscaler.livenessProbe.periodSeconds }}
          timeoutSeconds: {{ .Values.autoscaler.livenessProbe.timeoutSeconds }}
          successThreshold: {{ .Values.autoscaler.livenessProbe.successThreshold }}
          failureThreshold: {{ .Values.autoscaler.livenessProbe.failureThreshold }}
        {{- end }}
        command:
          - /cluster-proportional-autoscaler
          - --namespace={{ .Release.Namespace }}
          - --configmap={{ template "coredns.fullname" . }}-autoscaler
          - --target=Deployment/{{ default (include "coredns.fullname" .) .Values.deployment.name }}
          - --logtostderr=true
          - --v=2
        {{- if .Values.autoscaler.customFlags }}
{{ toYaml .Values.autoscaler.customFlags | indent 10 }}
        {{- end }}
{{- if .Values.autoscaler.extraContainers }}
{{ toYaml .Values.autoscaler.extraContainers | indent 6 }}
{{- end }}
{{- end }}