apiVersion: apps/v1
kind: Deployment
metadata:
  name: coredns
  namespace: kube-system
spec:
  replicas: 2
  template:
    spec:
      containers:
        - name: coredns
          image: registry.k8s.io/coredns/coredns:v1.14.7
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: odroid-h3
                    operator: In
                    values:
                      - enabled
        podAntiAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            - labelSelector:
                matchLabels:
                  k8s-app: kube-dns
              topologyKey: kubernetes.io/hostname