apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: {{ include "node-agent.fullname" . }}
  labels:
    {{- include "node-agent.labels" . | nindent 4 }}
spec:
  {{- with .Values.updateStrategy }}
  updateStrategy:
  {{- toYaml . | nindent 4 }}
  {{- end }}
  selector:
    matchLabels:
      {{- include "node-agent.selectorLabels" . | nindent 6 }}
  template:
    metadata:
      labels:
        {{- include "node-agent.selectorLabels" . | nindent 8 }}
        app: coroot-node-agent
      annotations:
        prometheus.io/scrape: '{{ .Values.scrape | default true}}'
        prometheus.io/port: '{{ .Values.port }}'
        {{- if .Values.podAnnotations }}
        {{- toYaml .Values.podAnnotations | nindent 8 }}
        {{- end }}
    spec:
      {{- with .Values.imagePullSecrets }}
      imagePullSecrets:
        {{- toYaml . | nindent 8 }}
      {{- end }}
      {{- include "node-agent.affinity" . | nindent 6 }}
      {{- if .Values.tolerations }}
      tolerations: {{ toYaml .Values.tolerations | nindent 8 }}
      {{- end }}
      priorityClassName: {{ .Values.priorityClassName }}
      hostPID: true
      containers:
        - name: {{ .Chart.Name }}
          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
          command: ["coroot-node-agent", "--listen=0.0.0.0:{{ .Values.port }}", "--cgroupfs-root", "/host/sys/fs/cgroup"]
          imagePullPolicy: {{ .Values.image.pullPolicy }}
          resources:
            {{- toYaml .Values.resources | nindent 12 }}
          env:
          {{- if .Values.collectorEndpoint }}
            - name: COLLECTOR_ENDPOINT
              value: "{{ .Values.collectorEndpoint }}"
          {{- end }}
          {{- if .Values.apiKey }}
            - name: API_KEY
              value: "{{ .Values.apiKey }}"
          {{- end }}
          {{- if .Values.tracesEndpoint }}
            - name: TRACES_ENDPOINT
              value: "{{ .Values.tracesEndpoint }}"
          {{- end }}
          {{- if .Values.logsEndpoint }}
            - name: LOGS_ENDPOINT
              value: "{{ .Values.logsEndpoint }}"
          {{- end }}
          {{- if .Values.profilesEndpoint }}
            - name: PROFILES_ENDPOINT
              value: "{{ .Values.profilesEndpoint }}"
          {{- end }}
          {{- if .Values.metricsEndpoint }}
            - name: METRICS_ENDPOINT
              value: "{{ .Values.metricsEndpoint }}"
          {{- end }}
          {{- if .Values.scrapeInterval }}
            - name: SCRAPE_INTERVAL
              value: "{{ .Values.scrapeInterval }}"
          {{- end }}
          {{- with .Values.env }}
          {{- . | toYaml | nindent 12 }}
          {{- end }}
          ports:
            - containerPort: {{ .Values.port }}
              name: http
          securityContext:
            privileged: true
          volumeMounts:
            - mountPath: /host/sys/fs/cgroup
              name: cgroupfs
              readOnly: true
            - mountPath: /sys/kernel/tracing
              name: tracefs
              readOnly: false
            - mountPath: /sys/kernel/debug
              name: debugfs
              readOnly: false
            - mountPath: /tmp
              name: tmp
              readOnly: false
      volumes:
        - hostPath:
            path: /sys/fs/cgroup
          name: cgroupfs
        - hostPath:
            path: /sys/kernel/tracing
          name: tracefs
        - hostPath:
            path: /sys/kernel/debug
          name: debugfs
        - emptyDir: {}
          name: tmp