apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: example-elasticsearch-fluentd
  namespace: demo
  labels: 
    name: elasticsearch-fluentd
    app: elasticsearch-fluentd
    type: daemonset
spec:
  selector:
    matchLabels:
      name: elasticsearch-fluentd
      app: elasticsearch-fluentd
      type: pod
  template:
    metadata:
      labels:
        name: elasticsearch-fluentd
        app: elasticsearch-fluentd
        type: pod
    spec:
      tolerations:
        - key: node-role.kubernetes.io/master
          operator: Exists
          effect: NoSchedule
      terminationGracePeriodSeconds: 30
      containers:
        - name: fluentd-elasticsearch
          image: quay.io/fluentd_elasticsearch/fluentd:v2.5.2
          resources:
            limits:
              memory: 200Mi
            requests:
              cpu: 100m
              memory: 200Mi
          volumeMounts:
            - name: varlog
              mountPath: /var/log
            - name: varlibdockercontainers
              mountPath: /var/lib/docker/containers
              readOnly: true
      volumes:
        - name: varlog
          hostPath:
            path: /var/log
        - name: varlibdockercontainers
          hostPath:
            path: /var/lib/docker/containers