{{- if .Values.metrics.enabled }}
apiVersion: {{ template "common.capabilities.deployment.apiVersion" . }}
kind: Deployment
metadata:
  name: {{ include "elasticsearch.metrics.fullname" . }}
  labels: {{- include "common.labels.standard" . | nindent 4 }}
    app.kubernetes.io/component: metrics
    ## Istio Labels: https://istio.io/docs/ops/deployment/requirements/
    app: metrics
spec:
  selector:
    matchLabels: {{- include "common.labels.matchLabels" . | nindent 6 }}
      app.kubernetes.io/component: metrics
  replicas: 1
  template:
    metadata:
      labels: {{- include "common.labels.standard" . | nindent 8 }}
        app.kubernetes.io/component: metrics
        ## Istio Labels: https://istio.io/docs/ops/deployment/requirements/
        app: metrics
        {{- if .Values.metrics.podLabels }}
        {{- include "common.tplvalues.render" (dict "value" .Values.metrics.podLabels "context" $) | nindent 8 }}
        {{- end }}
      {{- with .Values.metrics.podAnnotations }}
      annotations: {{ toYaml . | nindent 8 }}
      {{- end }}
    spec:
      {{- include "elasticsearch.imagePullSecrets" . | nindent 6 }}
      {{- if .Values.metrics.hostAliases }}
      hostAliases: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.hostAliases "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.metrics.schedulerName }}
      schedulerName: {{ .Values.metrics.schedulerName }}
      {{- end }}
      containers:
        - name: metrics
          image: {{ include "elasticsearch.metrics.image" . }}
          imagePullPolicy: {{ .Values.metrics.image.pullPolicy | quote }}
          {{- if .Values.diagnosticMode.enabled }}
          command: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.command "context" $) | nindent 12 }}
          args: {{- include "common.tplvalues.render" (dict "value" .Values.diagnosticMode.args "context" $) | nindent 12 }}
          {{- else }}
          args:
            {{- if gt (int .Values.coordinating.replicas) 0 }}
            # Prefer coordinating only nodes to do the initial metrics query
            - --es.uri=http://{{- if .Values.security.enabled }}elastic:{{ .Values.security.elasticPassword}}@{{- end}}{{ template "elasticsearch.coordinating.fullname" . }}:{{ .Values.coordinating.service.port }}
            {{- else }}
            # Using master nodes as there are no coordinating only nodes
            - --es.uri=http://{{- if .Values.security.enabled }}elastic:{{ .Values.security.elasticPassword}}@{{- end}}{{ include "elasticsearch.master.fullname" . }}:{{ .Values.master.service.port }}
            {{- end }}
            - --es.all
            {{- if .Values.metrics.extraArgs }}
            {{- toYaml .Values.metrics.extraArgs | nindent 12 }}
            {{- end }}
          {{- end }}
          ports:
            - name: metrics
              containerPort: 9114
          {{- if not .Values.diagnosticMode.enabled }}
          {{- if .Values.metrics.livenessProbe.enabled }}
          livenessProbe:
            initialDelaySeconds: {{ .Values.metrics.livenessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.metrics.livenessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.metrics.livenessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.metrics.livenessProbe.successThreshold }}
            failureThreshold: {{ .Values.metrics.livenessProbe.failureThreshold }}
            httpGet:
              path: /metrics
              port: metrics
          {{- else if .Values.metrics.customLivenessProbe }}
          livenessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.customLivenessProbe "context" $) | nindent 12 }}
          {{- end }}
          {{- if .Values.metrics.readinessProbe.enabled }}
          readinessProbe:
            initialDelaySeconds: {{ .Values.metrics.readinessProbe.initialDelaySeconds }}
            periodSeconds: {{ .Values.metrics.readinessProbe.periodSeconds }}
            timeoutSeconds: {{ .Values.metrics.readinessProbe.timeoutSeconds }}
            successThreshold: {{ .Values.metrics.readinessProbe.successThreshold }}
            failureThreshold: {{ .Values.metrics.readinessProbe.failureThreshold }}
            httpGet:
              path: /metrics
              port: metrics
          {{- else if .Values.metrics.customReadinessProbe }}
          readinessProbe: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.customReadinessProbe "context" $) | nindent 12 }}
          {{- end }}
          {{- end }}
          {{- if .Values.metrics.resources }}
          resources: {{- toYaml .Values.metrics.resources | nindent 12 }}
          {{- end }}
      {{- if .Values.metrics.affinity }}
      affinity: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.affinity "context" $) | nindent 8 }}
      {{- else }}
      affinity:
        podAffinity: {{- include "common.affinities.pods" (dict "type" .Values.metrics.podAffinityPreset "component" "metrics" "context" $) | nindent 10 }}
        podAntiAffinity: {{- include "common.affinities.pods" (dict "type" .Values.metrics.podAntiAffinityPreset "component" "metrics" "context" $) | nindent 10 }}
        nodeAffinity: {{- include "common.affinities.nodes" (dict "type" .Values.metrics.nodeAffinityPreset.type "key" .Values.metrics.nodeAffinityPreset.key "values" .Values.metrics.nodeAffinityPreset.values) | nindent 10 }}
      {{- end }}
      {{- if .Values.metrics.nodeSelector }}
      nodeSelector: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.nodeSelector "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.metrics.tolerations }}
      tolerations: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.tolerations "context" $) | nindent 8 }}
      {{- end }}
      {{- if .Values.metrics.topologySpreadConstraints }}
      topologySpreadConstraints: {{- include "common.tplvalues.render" (dict "value" .Values.metrics.topologySpreadConstraints "context" $) | nindent 8 }}
      {{- end }}
{{- end }}