apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app: as
  name: as
spec:
  selector:
    matchLabels:
      app: as
  updateStrategy:
    type: RollingUpdate  ## OnDelete
    rollingUpdate:
      maxUnavailable: 1
  minReadySeconds: 20
  template:
    metadata:
      labels:
        app: as
    spec:
      containers:
      - name: nginx
        image: macosmi/nginxshowip:v1
        ports:
          - containerPort: 80