验证kube-dns是否成功部署

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  • 使用以下配置文件创建一个pod
apiVersion: v1
kind: Pod
metadata:
  name: busybox
  namespace: default
spec:
  containers:
  - image: busybox
    command:
      - sleep
      - "3600"
    imagePullPolicy: IfNotPresent
    name: busybox
  restartPolicy: Always
  • 运行以下命令进行验证
kubectl exec busybox -- nslookup kubernetes

如果输出类似下面的东西则代表正确:

Server:    10.0.0.10
Address 1: 10.0.0.10 kube-dns.kube-system.svc.cluster.local

Name:      kubernetes
Address 1: 10.0.0.1 kubernetes.default.svc.cluster.local

参考自: kubernetes:kubedns安装