charts/cert-manager/templates/webhook-deployment.yaml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: {{ include "webhook.fullname" . }}
  namespace: {{ include "cert-manager.namespace" . }}
  labels:
    app: {{ include "webhook.name" . }}
    app.kubernetes.io/name: {{ include "webhook.name" . }}
    app.kubernetes.io/instance: {{ .Release.Name }}
    app.kubernetes.io/component: "webhook"
    {{- include "labels" . | nindent 4 }}
  {{- with .Values.webhook.deploymentAnnotations }}
  annotations:
    {{- toYaml . | nindent 4 }}
  {{- end }}
spec:
  replicas: {{ .Values.webhook.replicaCount }}
  {{- /* The if statement below is equivalent to {{- if $value }} but will also return true for 0. */ -}}
  {{- if not (has (quote .Values.global.revisionHistoryLimit) (list "" (quote ""))) }}
  revisionHistoryLimit: {{ .Values.global.revisionHistoryLimit }}
  {{- end }}
  selector:
    matchLabels:
      app.kubernetes.io/name: {{ include "webhook.name" . }}
      app.kubernetes.io/instance: {{ .Release.Name }}
      app.kubernetes.io/component: "webhook"
  {{- with .Values.webhook.strategy }}
  strategy:
    {{- toYaml . | nindent 4 }}
  {{- end }}
  template:
    metadata:
      labels:
        app: {{ include "webhook.name" . }}
        app.kubernetes.io/name: {{ include "webhook.name" . }}
        app.kubernetes.io/instance: {{ .Release.Name }}
        app.kubernetes.io/component: "webhook"
        {{- include "labels" . | nindent 8 }}
        {{- with .Values.webhook.podLabels }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
      {{- with .Values.webhook.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if and .Values.prometheus.enabled (not (or .Values.prometheus.servicemonitor.enabled .Values.prometheus.podmonitor.enabled)) }}
      {{- if not .Values.webhook.podAnnotations }}
      annotations:
      {{- end }}
        prometheus.io/path: "/metrics"
        prometheus.io/scrape: 'true'
        prometheus.io/port: '9402'
      {{- end }}
    spec:
      {{- if not .Values.webhook.serviceAccount.create }}
      {{- with .Values.global.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- end }}
      serviceAccountName: {{ template "webhook.serviceAccountName" . }}
      {{- if hasKey .Values.webhook "automountServiceAccountToken" }}
      automountServiceAccountToken: {{ .Values.webhook.automountServiceAccountToken }}
      {{- end }}
      enableServiceLinks: {{ .Values.webhook.enableServiceLinks }}
      {{- with .Values.global.priorityClassName }}
      priorityClassName: {{ . | quote }}
      {{- end }}
      {{- if (hasKey .Values.global "hostUsers") }}
      hostUsers: {{ .Values.global.hostUsers }}       
      {{- end }}
      {{- with .Values.webhook.securityContext }}
      securityContext:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if .Values.webhook.hostNetwork }}
      hostNetwork: true
      {{- end }}
      {{- if .Values.webhook.hostNetwork }}
      dnsPolicy: ClusterFirstWithHostNet
      {{- end }}
      containers:
        - name: {{ .Chart.Name }}-webhook
          image: "{{ template "cert-manager.image" (tuple .Values.webhook.image .Values.imageRegistry .Values.imageNamespace (printf ":%s" .Chart.AppVersion)) }}"
          imagePullPolicy: {{ .Values.webhook.image.pullPolicy }}
          args:
          {{- /* The if statement below is equivalent to {{- if $value }} but will also return true for 0. */ -}}
          {{- if not (has (quote .Values.global.logLevel) (list "" (quote ""))) }}
          - --v={{ .Values.global.logLevel }}
          {{- end }}
          {{- if .Values.webhook.config }}
          - --config=/var/cert-manager/config/config.yaml
          {{- end }}
          {{- $config := default .Values.webhook.config "" }}
          {{ if not $config.securePort -}}
          - --secure-port={{ .Values.webhook.securePort }}
          {{- end }}
          {{- if .Values.webhook.featureGates }}
          - --feature-gates={{ .Values.webhook.featureGates }}
          {{- end }}
          {{- if .Values.webhook.enableClientVerification }}
          - --enable-client-verification={{ .Values.webhook.enableClientVerification }}
          {{- end }}
          {{- if .Values.webhook.clientCAFile }}
          - --client-ca-path={{ .Values.webhook.clientCAFile }}
          {{- end }}
          {{- if .Values.webhook.apiserverClientCertSubjects }}
          - --client-subject-names={{ .Values.webhook.apiserverClientCertSubjects }}
          {{- end }}
          {{- $tlsConfig := default $config.tlsConfig "" }}
          {{ if or (not $config.tlsConfig) (and (not $tlsConfig.dynamic) (not $tlsConfig.filesystem) ) -}}
          - --dynamic-serving-ca-secret-namespace=$(POD_NAMESPACE)
          - --dynamic-serving-ca-secret-name={{ template "webhook.fullname" . }}-ca
          - --dynamic-serving-dns-names={{ template "webhook.fullname" . }}
          - --dynamic-serving-dns-names={{ template "webhook.fullname" . }}.$(POD_NAMESPACE)
          - --dynamic-serving-dns-names={{ template "webhook.fullname" . }}.$(POD_NAMESPACE).svc
          {{- if .Values.webhook.url.host }}
          - --dynamic-serving-dns-names={{ .Values.webhook.url.host }}
          {{- end }}
          {{- end }}
          {{- with .Values.webhook.extraArgs }}
          {{- toYaml . | nindent 10 }}
          {{- end }}
          {{- if not .Values.prometheus.enabled }}
          - --metrics-listen-address=0
          {{- end }}
          ports:
          - name: https
            protocol: TCP
            {{- if $config.securePort }}
            containerPort: {{ $config.securePort }}
            {{- else if .Values.webhook.securePort }}
            containerPort: {{ .Values.webhook.securePort }}
            {{- else }}
            containerPort: 6443
            {{- end }}
          - name: healthcheck
            protocol: TCP
            {{- if $config.healthzPort }}
            containerPort: {{ $config.healthzPort }}
            {{- else }}
            containerPort: 6080
            {{- end }}
          {{- if .Values.prometheus.enabled }}
          - containerPort: 9402
            name: http-metrics
            protocol: TCP
          {{- end }}
          livenessProbe:
            httpGet:
              path: /livez
              port: healthcheck
              scheme: HTTP
            initialDelaySeconds: {{ .Values.webhook.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.webhook.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.webhook.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.webhook.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.webhook.livenessProbe.failureThreshold }}
          readinessProbe:
            httpGet:
              path: /healthz
              port: healthcheck
              scheme: HTTP
            initialDelaySeconds: {{ .Values.webhook.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.webhook.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.webhook.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.webhook.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.webhook.readinessProbe.failureThreshold }}
          {{- with .Values.webhook.containerSecurityContext }}
          securityContext:
            {{- toYaml . | nindent 12 }}
          {{- end }}
          env:
          - name: POD_NAMESPACE
            valueFrom:
              fieldRef:
                fieldPath: metadata.namespace
          {{- with .Values.webhook.extraEnv }}
          {{- toYaml . | nindent 10 }}
          {{- end }}
          {{- with .Values.webhook.resources }}
          resources:
            {{- toYaml . | nindent 12 }}
          {{- end }}
          {{- if or .Values.webhook.config .Values.webhook.volumeMounts }}
          volumeMounts:
            {{- if .Values.webhook.config }}
            - name: config
              mountPath: /var/cert-manager/config
            {{- end }}
            {{- with .Values.webhook.volumeMounts }}
            {{- toYaml . | nindent 12 }}
            {{- end }}
          {{- end }}
      {{- $nodeSelector := .Values.global.nodeSelector | default dict }}
      {{- $nodeSelector = merge $nodeSelector (.Values.webhook.nodeSelector | default dict) }}
      {{- with $nodeSelector }}
      nodeSelector:
        {{- range $key, $value := . }}
        {{ $key }}: {{ $value | quote }}
        {{- end }}
      {{- end }}
      {{- with .Values.webhook.affinity }}
      affinity:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if .Values.webhook.runtimeClassName }}
      runtimeClassName: {{ .Values.webhook.runtimeClassName | quote }}
      {{- else if .Values.global.runtimeClassName }}
      runtimeClassName: {{ .Values.global.runtimeClassName | quote }}
      {{- end }}
      {{- with .Values.webhook.tolerations }}
      tolerations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- with  .Values.webhook.topologySpreadConstraints }}
      topologySpreadConstraints:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- if or .Values.webhook.config .Values.webhook.volumes }}
      volumes:
        {{- if .Values.webhook.config }}
        - name: config
          configMap:
            name: {{ include "webhook.fullname" . }}
        {{- end }}
        {{- with .Values.webhook.volumes }}
        {{- toYaml . | nindent 8 }}
        {{- end }}
      {{- end }}