Question

报这个错  upstream connect error or disconnect/reset before headers. reset reason: connection failure

Answer 1

您好  看上去应该是是k8s证书过期了，可以通过指令“kubeadm alpha certs check-expiration ”去查看k8s集群证书的有效期，更新k8s集群证书参考文章：https://note.youdao.com/ynoteshare/index.html?id=b7d3ffaf1adcdbb8234095c2c7637dbb 进行处理