k8s证书延长10年有效期

执行签发脚本

[root@k8s-master ~]# ./update-kubeadm-cert.sh  all

CERTIFICATE                                       EXPIRES                       

/etc/kubernetes/controller-manager.config         Sep 24 02:56:34 2024 GMT      

/etc/kubernetes/scheduler.config                  Sep 24 02:56:34 2024 GMT      

/etc/kubernetes/admin.config                      Sep 24 02:56:34 2024 GMT      

/etc/kubernetes/pki/ca.crt                        Sep 22 02:56:31 2033 GMT      

/etc/kubernetes/pki/apiserver.crt                 Sep 24 02:56:32 2024 GMT      

/etc/kubernetes/pki/apiserver-kubelet-client.crt  Sep 24 02:56:32 2024 GMT      

/etc/kubernetes/pki/front-proxy-ca.crt            Sep 22 02:56:32 2033 GMT      

/etc/kubernetes/pki/front-proxy-client.crt        Sep 24 02:56:32 2024 GMT      

/etc/kubernetes/pki/etcd/ca.crt                   Sep 22 02:56:32 2033 GMT      

/etc/kubernetes/pki/etcd/server.crt               Sep 24 02:56:33 2024 GMT      

/etc/kubernetes/pki/etcd/peer.crt                 Sep 24 02:56:33 2024 GMT      

/etc/kubernetes/pki/etcd/healthcheck-client.crt   Sep 24 02:56:33 2024 GMT      

/etc/kubernetes/pki/apiserver-etcd-client.crt     Sep 24 02:56:33 2024 GMT      

[2023-09-26T09:51:49.45+0800][INFO] backup /etc/kubernetes to /etc/kubernetes.old-20230926