From 7d8058a1ef0fab41a6801e8f3ecbf616098a2faf Mon Sep 17 00:00:00 2001
From: Marcus Eide <eide@spotify.com>
Date: Wed, 2 Sep 2020 11:08:40 +0200
Subject: [PATCH] Make http-proxy-middleware log to supplied logger

---
 plugins/proxy-backend/src/service/router.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/plugins/proxy-backend/src/service/router.ts b/plugins/proxy-backend/src/service/router.ts
index 5273b2c806..5c5e17b872 100644
--- a/plugins/proxy-backend/src/service/router.ts
+++ b/plugins/proxy-backend/src/service/router.ts
@@ -34,6 +34,7 @@ export interface RouterOptions {
 // given config.
 function buildMiddleware(
   pathPrefix: string,
+  logger: Logger,
   route: string,
   config: string | ProxyConfig,
 ): Proxy {
@@ -54,6 +55,9 @@ function buildMiddleware(
     fullConfig.changeOrigin = true;
   }
 
+  // Attach the logger to the proxy config
+  fullConfig.logProvider = () => logger;
+
   return createProxyMiddleware(fullConfig);
 }
 
@@ -66,7 +70,12 @@ export async function createRouter(
   Object.entries(proxyConfig).forEach(([route, proxyRouteConfig]) => {
     router.use(
       route,
-      buildMiddleware(options.pathPrefix, route, proxyRouteConfig),
+      buildMiddleware(
+        options.pathPrefix,
+        options.logger,
+        route,
+        proxyRouteConfig,
+      ),
     );
   });