From 5c648d1c19ff16183dc1db0d9070b33b40a5a932 Mon Sep 17 00:00:00 2001
From: John Smith <john@johnjcsmith.com>
Date: Mon, 9 Dec 2024 15:15:24 +1030
Subject: [PATCH] chore: Warn on healthcheck failure (#248)

---
 control-plane/src/index.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/control-plane/src/index.ts b/control-plane/src/index.ts
index 40b2b29d..9fde2565 100644
--- a/control-plane/src/index.ts
+++ b/control-plane/src/index.ts
@@ -107,6 +107,15 @@ app.addHook("onRequest", (request, _reply, done) => {
   );
 });
 
+app.addHook('onResponse', async (request, reply) => {
+  if (request.routerPath === '/live' && reply.statusCode >= 400) {
+    logger.warn('Live endpoint returned error', {
+      statusCode: reply.statusCode,
+      path: request.url
+    })
+  }
+});
+
 const startTime = Date.now();
 
 (async function start() {