手动配置ingress讲服务端获取客户端的真实用户IP
1、更改configmap
kubectl -n ingress-nginx edit configmap ingress-nginx-controller
data:use-forwarded-headers: "true"compute-full-forwarded-for: "true"real-ip-header: "X-Forwarded-For"proxy-real-ip-cidr: 
1、更改configmap
kubectl -n ingress-nginx edit configmap ingress-nginx-controller
data:use-forwarded-headers: "true"compute-full-forwarded-for: "true"real-ip-header: "X-Forwarded-For"proxy-real-ip-cidr: