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Kubernetes CoreDNS 核心原理和源码解析

K8S 中的 DNS 解析原理 示例如下所示: ➜ tanjunchen_blog (main) kubectl exec -it nginx-0 bash ✱ kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead. root@nginx-0:/# cat /etc/resolv.conf search default.svc.cluster.local svc.cluster.local cluster.local nameserver 10.22.0.10 options ndots:5 root@nginx-0:/# exit exit ➜ tanjunchen_blog (main) kubectl -n kube-system get svc kube-dns ✱ NAME