查看证书过期时间
kubeadm certs check-expiration
解决方案
手动更新证书
# 更新证书
kubeadm certs renew all
# 重启相关服务
docker restart $(docker ps | grep -E 'kube-apiserver|kube-controller-manager|kube-scheduler|etcd'|awk '{print $1}')
kubeadm certs check-expiration
手动更新证书
# 更新证书
kubeadm certs renew all
# 重启相关服务
docker restart $(docker ps | grep -E 'kube-apiserver|kube-controller-manager|kube-scheduler|etcd'|awk '{print $1}')