apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app.kubernetes.io/component: exporter
    app.kubernetes.io/name: node-exporter
    app.kubernetes.io/part-of: kube-prometheus
    app.kubernetes.io/version: 1.4.0
  name: node-exporter
  namespace: monitoring
spec:
  selector:
    matchLabels:
      app.kubernetes.io/component: exporter
      app.kubernetes.io/name: node-exporter
      app.kubernetes.io/part-of: kube-prometheus
  template:
    metadata:
      annotations:
        kubectl.kubernetes.io/default-container: node-exporter
      labels:
        app.kubernetes.io/component: exporter
        app.kubernetes.io/name: node-exporter
        app.kubernetes.io/part-of: kube-prometheus
        app.kubernetes.io/version: 1.4.0
    spec:
      automountServiceAccountToken: true
      containers:
        - args:
            - --web.listen-address=127.0.0.1:9100
            - --path.sysfs=/host/sys
            - --path.rootfs=/host/root
            - --no-collector.wifi
            - --no-collector.hwmon
            - --collector.filesystem.mount-points-exclude=^/(dev|proc|sys|run/k3s/containerd/.+|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
            - --collector.netclass.ignored-devices=^(veth.*|[a-f0-9]{15})$
            - --collector.netdev.device-exclude=^(veth.*|[a-f0-9]{15})$
          image: quay.io/prometheus/node-exporter:v1.4.0
          name: node-exporter
          resources:
            limits:
              cpu: 250m
              memory: 180Mi
            requests:
              cpu: 102m
              memory: 180Mi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
            readOnlyRootFilesystem: true
          volumeMounts:
            - mountPath: /host/sys
              mountPropagation: HostToContainer
              name: sys
              readOnly: true
            - mountPath: /host/root
              mountPropagation: HostToContainer
              name: root
              readOnly: true
        - args:
            - --logtostderr
            - --secure-listen-address=[$(IP)]:9100
            - --tls-cipher-suites=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
            - --upstream=http://127.0.0.1:9100/
          env:
            - name: IP
              valueFrom:
                fieldRef:
                  fieldPath: status.podIP
          image: quay.io/brancz/kube-rbac-proxy:v0.13.1
          name: kube-rbac-proxy
          ports:
            - containerPort: 9100
              hostPort: 9100
              name: https
          resources:
            limits:
              cpu: 20m
              memory: 40Mi
            requests:
              cpu: 10m
              memory: 20Mi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - ALL
            readOnlyRootFilesystem: true
            runAsGroup: 65532
            runAsNonRoot: true
            runAsUser: 65532
      nodeSelector:
        kubernetes.io/os: linux
      priorityClassName: system-cluster-critical
      securityContext:
        runAsNonRoot: true
        runAsUser: 65534
      serviceAccountName: node-exporter
      tolerations:
        - operator: Exists
      volumes:
        - hostPath:
            path: /sys
          name: sys
        - hostPath:
            path: /
          name: root
  updateStrategy:
    rollingUpdate:
      maxUnavailable: 10%
    type: RollingUpdate
