{{- if .Values.nodeExporter.enabled -}}
apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
{{- if .Values.nodeExporter.deploymentAnnotations }}
  annotations:
{{ toYaml .Values.nodeExporter.deploymentAnnotations | indent 4 }}
{{- end }}
  labels:
    app: {{ template "prometheus.name" . }}
    chart: {{ .Chart.Name }}-{{ .Chart.Version }}
    component: "{{ .Values.nodeExporter.name }}"
    heritage: {{ .Release.Service }}
    release: {{ .Release.Name }}
  name: {{ template "prometheus.nodeExporter.fullname" . }}
spec:
  {{- if .Values.nodeExporter.updateStrategy }}
  updateStrategy:
{{ toYaml .Values.nodeExporter.updateStrategy | indent 4 }}
  {{- end }}
  template:
    metadata:
    {{- if .Values.nodeExporter.podAnnotations }}
      annotations:
{{ toYaml .Values.nodeExporter.podAnnotations | indent 8 }}
    {{- end }}
      labels:
        app: {{ template "prometheus.name" . }}
        component: "{{ .Values.nodeExporter.name }}"
        release: {{ .Release.Name }}
{{- if .Values.nodeExporter.pod.labels }}
{{ toYaml .Values.nodeExporter.pod.labels | indent 8 }}
{{- end }}
    spec:
      serviceAccountName: {{ template "prometheus.serviceAccountName.nodeExporter" . }}
{{- if .Values.nodeExporter.priorityClassName }}
      priorityClassName: "{{ .Values.nodeExporter.priorityClassName }}"
{{- end }}
      containers:
        - name: {{ template "prometheus.name" . }}-{{ .Values.nodeExporter.name }}
          image: "{{ .Values.nodeExporter.image.repository }}:{{ .Values.nodeExporter.image.tag }}"
          imagePullPolicy: "{{ .Values.nodeExporter.image.pullPolicy }}"
          args:
            - --path.procfs=/host/proc
            - --path.sysfs=/host/sys
          {{- range $key, $value := .Values.nodeExporter.extraArgs }}
          {{- if $value }}
            - --{{ $key }}={{ $value }}
          {{- else }}
            - --{{ $key }}
          {{- end }}
          {{- end }}
          ports:
            - name: metrics
              containerPort: 9100
              hostPort: {{ .Values.nodeExporter.service.hostPort }}
          resources:
{{ toYaml .Values.nodeExporter.resources | indent 12 }}
          volumeMounts:
            - name: proc
              mountPath: /host/proc
              readOnly:  true
            - name: sys
              mountPath: /host/sys
              readOnly: true
          {{- range .Values.nodeExporter.extraHostPathMounts }}
            - name: {{ .name }}
              mountPath: {{ .mountPath }}
              readOnly: {{ .readOnly }}
          {{- end }}
          {{- range .Values.nodeExporter.extraConfigmapMounts }}
            - name: {{ .name }}
              mountPath: {{ .mountPath }}
              readOnly: {{ .readOnly }}
          {{- end }}
      hostNetwork: true
      hostPID: true
    {{- if .Values.nodeExporter.tolerations }}
      tolerations:
{{ toYaml .Values.nodeExporter.tolerations | indent 8 }}
    {{- end }}
    {{- if .Values.nodeExporter.nodeSelector }}
      nodeSelector:
{{ toYaml .Values.nodeExporter.nodeSelector | indent 8 }}
    {{- end }}
    {{- if .Values.nodeExporter.securityContext }}
      securityContext:
{{ toYaml .Values.nodeExporter.securityContext | indent 8 }}
    {{- end }}
      volumes:
        - name: proc
          hostPath:
            path: /proc
        - name: sys
          hostPath:
            path: /sys
      {{- range .Values.nodeExporter.extraHostPathMounts }}
        - name: {{ .name }}
          hostPath:
            path: {{ .hostPath }}
      {{- end }}
      {{- range .Values.nodeExporter.extraConfigmapMounts }}
        - name: {{ .name }}
          configMap:
            name: {{ .configMap }}
      {{- end }}

{{- end -}}