Merge pull request #17 from Intellection/log_x_proxy_backend_latency_headers

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

Author: itskingori

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.25.2-3
+
+* Log `X-Proxy-Backend` latency headers.
+
 ## 1.25.2-2
 
 * Add `X-Proxy-Backend` latency headers.

config/log.conf

@@ -13,6 +13,9 @@ log_format main_json escape=json
     '"http_user_agent":"$http_user_agent",'
     '"http_x_amzn_trace_id":"$http_x_amzn_trace_id",'
     '"http_x_forwarded_for":"$http_x_forwarded_for",'
+    '"http_x_proxy_backend_connect_time":"$upstream_connect_time",'
+    '"http_x_proxy_backend_header_time":"$upstream_header_time",'
+    '"http_x_proxy_backend_total_time":"$request_time",'
     '"proxy_connection":"$proxy_connection",'
     '"proxy_x_forwarded_port":"$proxy_x_forwarded_port",'
     '"proxy_x_forwarded_proto":"$proxy_x_forwarded_proto",'