redirect to gray

 local http_request = require "http_request"
 local switch_controller = require "switch_controller"
+local iptool=require "iptool" 
 
  
 function do_direct(redirectPath)
@@ -70,8 +71,16 @@ end
 
 function get_redirect_url()
         local redirectPath = "/apigateway" 
-        local awsPath = "/apiaws"
+        local grayPath = "/apigateway2"
         
+       ---- check if gray 
+       if   ngx.var.host == 'api.yoho.yohoops.org' or  ngx.var.host == 'service.yoho.yohoops.org'  then
+          local is_gray_container = iptool:pcall_check_ip_in_ipblock(ngx.var.remote_addr, "192.168.96.0/19",false)
+          local is_gray_java = iptool:pcall_check_ip_in_ipblock(ngx.var.remote_addr, "10.66.71.0/19",false)
+          if is_gray_container or is_gray_java then
+            return grayPath
+          end
+       end
 
         -- get params
         local force_uid = switch_controller.get_force_uid()
@@ -83,7 +92,7 @@ function get_redirect_url()
         end
         -- force uid
         if force_uid and uid == force_uid then
-             return awsPath
+             return grayPath
         end
        
         --- hash percentage
@@ -91,7 +100,7 @@ function get_redirect_url()
         if percentage >= 1 then
              local hash =  uid % 100
              if uid > 0 and hash <= percentage then
-                return awsPath
+                return grayPath
              end
         end
         return redirectPath

@@ -203,10 +203,11 @@ server {
         proxy_set_header Host $host;
     }
 
-    location  /apiaws{
+   ## gray configuration
+    location  /apigateway2{
         internal;
         proxy_redirect off;
-        proxy_pass  http://java-aws/gateway;
+        proxy_pass  http://apigateway-gray/gateway;
         proxy_set_header   X-Real-IP  $real_ip;
         proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
         proxy_set_header   Accept-Encoding "gzip";

@@ -168,9 +168,9 @@ http
       #apigatewayend
  
  
-      # upstream for yoho-core-java aws
-      upstream java-aws {
-         server {{ groups['java-gateway'][0] }}:8080 max_fails=5  fail_timeout=3s;   
+      # upstream for gray java gateway
+      upstream apigateway-gray {
+         server 10.66.71.6:8080 max_fails=5  fail_timeout=3s;   
          keepalive	32;
       }
       #apigatewayend