[root@master ~]# kubeadm alpha certs check-expiration
[check-expiration] Reading configuration from the cluster…
[check-expiration] FYI: You can look at this config file with ‘kubectl -n kube-system get cm kubeadm-config -oyaml’
W0414 11:27:31.443340 11012 utils.go:26] The recommended value for “clusterDNS” in “KubeletConfiguration” is: [20.233.0.10]; the provided value is: [169.254.25.10]
CERTIFICATE EXPIRES RESIDUAL TIME CERTIFICATE AUTHORITY EXTERNALLY MANAGED
admin.conf Mar 01, 2022 04:02 UTC 321d no
apiserver Mar 01, 2022 04:02 UTC 321d ca no
apiserver-kubelet-client Mar 01, 2022 04:02 UTC 321d ca no
controller-manager.conf Mar 01, 2022 04:02 UTC 321d no
front-proxy-client Mar 01, 2022 04:02 UTC 321d front-proxy-ca no
scheduler.conf Mar 01, 2022 04:02 UTC 321d no
CERTIFICATE AUTHORITY EXPIRES RESIDUAL TIME EXTERNALLY MANAGED
ca Feb 27, 2031 04:02 UTC 9y no
front-proxy-ca Feb 27, 2031 04:02 UTC 9y no
是否支持kubeadmin原生的证书续签方式:
kubeadm alpha certs renew all
这样对kubesphere自身这套系统有啥影响吗?