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Cloud being used: (put bare-metal if not on a public cloud)
Installation method: kubeadm
Host OS: CentOS Linux release 7.8.2003
CNI and version: Weave
CRI and version: Docker 19.03.8
i have a 2 Master nodes and 3 worker nodes K8s Cluster, and i didn’t upgrade for an year now. Looks like now certs are expired and i am not able to run any kubectl commands. Is there a way to renew the certs without the downtime ? may i know the steps to renew the certs ?