Merge pull request #16 from Intellection/add_latency_headers

[SRE-3200] Add X-Proxy-Backend latency headers

Author: itskingori

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 1.25.2-2
+
+* Add `X-Proxy-Backend` latency headers.
+* Remove incorrect `X-Server-Proxy-Time` configuration.
+
 ## 1.25.2-1
 
 * Expose `$request_time` as `X-Server-Proxy-Time` response header.

config/http.conf

@@ -77,7 +77,11 @@ http {
   proxy_set_header    X-Forwarded-Port    $proxy_x_forwarded_port;
   proxy_set_header    X-Request-ID        $proxy_x_request_id;
   proxy_set_header    X-Forwarded-Host    $proxy_x_forwarded_host;
-  proxy_set_header    X-Server-Proxy-Time $request_time;
+
+  # Latency headers
+  add_header    X-Proxy-Backend-Connect-Time    $upstream_connect_time;
+  add_header    X-Proxy-Backend-Header-Time     $upstream_header_time;
+  add_header    X-Proxy-Backend-Total-Time      $request_time;
 
   gzip on;
   gzip_comp_level 5;