deployment拥有2个在节点级别反亲和的pod

apiVersion: apps/v1
kind: Deployment
metadata:
  name: sakura521yz-002
  namespace: default
spec:
  replicas: 2
  selector:
    matchLabels:
      app: sakura521yz-002
  template:
    metadata:
      labels:
        app: sakura521yz-002
    spec:
      containers:
      - name: sakura521yz-002-c1
        image: nginx
        imagePullPolicy: IfNotPresent
      restartPolicy: Always
      dnsPolicy: ClusterFirst
      imagePullSecrets:
      - name: default-secret
      affinity:
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
          - labelSelector:
              matchExpressions:
              - key: app
                operator: In
                values:
                - sakura521yz-002
            topologyKey: kubernetes.io/hostname
      schedulerName: default-scheduler