k8s证书有效期时间修改的方法详解

# sed -i '/v=2/i\  --experimental-cluster-signing-duration=87600h0m0s \\' /usr/lib/systemd/system/kube-controller-manager.service
 
# sed -i '/v=2/i\  --feature-gates=RotateKubeletServerCertificate=true \\' /usr/lib/systemd/system/kube-controller-manager.service
 
# systemctl daemon-reload

# sed -i '/v=2/i\  --feature-gates=RotateKubeletServerCertificate=true \\' /usr/lib/systemd/system/kubelet.service
 
# sed -i '/v=2/i\  --feature-gates=RotateKubeletClientCertificate=true \\' /usr/lib/systemd/system/kubelet.service
 
# sed -i '/v=2/i\  --rotate-certificates \\' /usr/lib/systemd/system/kubelet.service
 
# systemctl daemon-reload

# systemctl restart kube-controller-manager

# kubectl get endpoints kube-controller-manager --namespace=kube-system  -o yaml

# cd /etc/kubernetes/ssl/
# mkdir /home/k8app/ssl.bak
# mv kubelet* /home/k8app/ssl.bak
# systemctl restart kubelet
# systemctl status kubelet.service

# kubectl get csr | grep -i pending | awk '{print $1}' | grep -vi name | xargs kubectl certificate approve
 
#执行完后，再检查下
# kubectl get csr