rancher 添加集群 添加节点 Internal error occurred: failed calling webhook “rancherauth.cattle.io“ 错误

 报错信息：

Internal error occurred: failed calling webhook "rancherauth.cattle.io":Post https://rancher-webhook.cattle-system.svc:443/v1/webhook/validation?timeout=10s: x509: certificate has expired or is not yet valid

问题原因:

需要轮换webhook 证书，解决过期问题。

解决办法:

 在rancher上执行命令，稍等片刻刷新页面，报错信息消失。

kubectl delete secret -n cattle-system cattle-webhook-tls
kubectl delete mutatingwebhookconfigurations.admissionregistration.k8s.io --ignore-not-found=true rancher.cattle.io
kubectl delete pod -n cattle-system -l app=rancher-webhook