apiVersion: extensions/v1beta1
kind: DaemonSet
metadata:
  name: node-exporter
spec:
  template:
    metadata:
      labels:
        app: node-exporter
      name: node-exporter
    spec:
      hostNetwork: true
      hostPID: true
      containers:
      - image: "{{ node_exporter_image_repo }}:{{ node_exporter_image_tag }}"
        args:
        - "-collector.procfs=/host/proc"
        - "-collector.sysfs=/host/sys"
        name: node-exporter
        ports:
        - containerPort: 9100
          hostPort: 9100
          name: scrape
        resources:
          requests:
            memory: {{ node_exporter_ds_mem_requests }}
            cpu: {{ node_exporter_ds_cpu_requests }}
          limits:
            memory: {{ node_exporter_ds_mem_limit }}
            cpu:  {{ node_exporter_ds_cpu_limit }}
        volumeMounts:
        - name: proc
          readOnly:  true
          mountPath: /host/proc
        - name: sys
          readOnly: true
          mountPath: /host/sys
      volumes:
      - name: proc
        hostPath:
          path: /proc
      - name: sys
        hostPath:
          path: /sys