how to set-header on istio1.10

1. prepare chenshi.yaml

   apiVersion: networking.istio.io/v1alpha3
   kind: VirtualService
   metadata:
     name: chenshi
     namespace: chenshi
   spec:
     hosts:
     - "chenshi.net"
     gateways:
     - istio-system/chenshi
     http:
     - match:
       - uri:
           prefix: "/test"
       rewrite:
         uri: "/"
       route:
       - destination:
           host: chenshi
           port:
             number: 80
         headers:
           response:
             set:
               Cache-Control: "no-cache"
   

2. extra(haproxy)

   http-response set-header Cache-Control "no-cache"
   http-response set-header Access-Control-Allow-Origin "*"
   http-response set-header Access-Control-Allow-Credentials true
   http-response set-header Access-Control-Allow-Headers "token"
   http-response set-header Access-Control-Allow-Methods "GET, POST"
   acl allow_host src 192.168.1.1/32
   http-request allow if allow_host
   http-request deny