add x-forwarded-for field

nginx.ingress.controller.yaml

---
apiVersion: extensions/v1beta1
kind: Ingress
metadata:
  name: sdfsdfdsf
  annotations:
    kubernetes.io/ingress.class: "nginx"
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
    nginx.com/health-checks: "true"
    nginx.com/health-checks-mandatory: "true"
    nginx.com/health-checks-mandatory-queue: "100"
    nginx.ingress.kubernetes.io/proxy-body-size: 50m
    nginx.ingress.kubernetes.io/proxy-request-buffering: "off"

    nginx.ingress.kubernetes.io/use-forwarded-headers: "true"
    
  data:
    log-format-upstream: >
    '{{ if $cfg.useProxyProtocol }}$proxy_protocol_addr{{ else }}$remote_addr{{ end }} - '
    '[$the_real_ip] - $remote_user [$time_local] "$request" '
    '$status $body_bytes_sent "$http_referer" "$http_user_agent" '
    '$request_length $request_time [$proxy_upstream_name] $upstream_addr '
    '$upstream_response_length $upstream_response_time $upstream_status $req_id '
    '$http_x_forwarded_for'