Kubernetes kube-dns NodePort SVC

本文主要是介绍Kubernetes kube-dns NodePort SVC，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

不管怎么测试，UDP/TCP不能配置在一个SVC中，反正总有一个不通

1. 配置文件 TCP

   apiVersion: v1
   kind: Service
   metadata:
     annotations:
     labels:
       k8s-app: kube-dns
       kubernetes.io/cluster-service: "true"
       kubernetes.io/name: KubeDNS
     name: kube-dns-tcp
     namespace: kube-system
   spec:
     ports:
     - name: dns-tcp
       port: 53
       protocol: TCP
       targetPort: 53
     selector:
       k8s-app: kube-dns
     sessionAffinity: None
     type: NodePort

2. 配置文件 UDP

   apiVersion: v1
   kind: Service
   metadata:
     annotations:
     labels:
       k8s-app: kube-dns
       kubernetes.io/cluster-service: "true"
       kubernetes.io/name: KubeDNS
     name: kube-dns-udp
     namespace: kube-system
   spec:
     ports:
     - name: dns
       port: 53
       protocol: UDP
       targetPort: 53
     selector:
       k8s-app: kube-dns
     sessionAffinity: None
     type: NodePort 

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