Can I just use my own admin.conf before kubeadm init and after that kubeadm will use the file for authorization? This will be really convenient for accessing this cluster outside it because I don't need to process the certs and keys each time.
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No,we can't use the old admin.conf file, kubeadm init will regenerate the certs. – sfgroups Jun 07 '17 at 19:18
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Everytime the host IP on which kubeadm is configured changes, the certs are not valid is it?. So how can i access k8s in this case without a configured admin.conf? – NSP Aug 04 '17 at 10:47