apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: {{ include "pi-temperature-monitoring.fullname" . }}
  labels:
    {{- include "pi-temperature-monitoring.labels" . | nindent 4 }}
spec:
  selector:
    matchLabels:
      {{- include "pi-temperature-monitoring.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      {{- with .Values.podAnnotations }}
      annotations:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      labels:
        {{- include "pi-temperature-monitoring.selectorLabels" . | nindent 8 }}
    spec:
      nodeSelector:
        kubernetes.io/arch: arm64
      securityContext:
        {{- toYaml .Values.podSecurityContext | nindent 8 }}
      containers:
        - name: {{ .Chart.Name }}
          securityContext:
            {{- toYaml .Values.securityContext | nindent 12 }}
          {{ if .Values.image.tag }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"
          {{ else }}
          image: "{{ .Values.image.repository }}"
          {{ end }}
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          env:
            - name: NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
          ports:
            - name: prometheus
              containerPort: 8555
              protocol: TCP
          livenessProbe:
            httpGet:
              path: /
              port: prometheus
          readinessProbe:
            httpGet:
              path: /
              port: prometheus
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          volumeMounts:
            - name: usrbin
              mountPath: /usr/bin
              readOnly: true
            - name: libs
              mountPath: /lib/aarch64-linux-gnu
              readOnly: true
            # Not clear how to do `--device /dev/vchiq` -
            # https://stackoverflow.com/questions/59290752/how-to-use-device-dev-video0-with-kubernetes says
            # it might not be possible?
      volumes:
        - name: usrbin
          hostPath:
            path: /usr/bin
        - name: libs
          hostPath:
            path: /lib/aarch64-linux-gnu