log filter

server.js

@@ -35,6 +35,25 @@ function truncateUrl(url) {
   return `${url.slice(0, CONSOLE_URL_MAX_LENGTH)}...`;
 }
 
+const lastInitState = { url: '', result: '', timestamp: 0 };
+
+function shouldLogInit(url, statusCode, durationMs, responseBody) {
+  if (statusCode !== 200) return true;
+  if (durationMs > 400) return true;
+
+  const now = Date.now();
+  const timeSinceLast = now - lastInitState.timestamp;
+
+  if (timeSinceLast < 30_000 && url === lastInitState.url && responseBody === lastInitState.result) {
+    return false;
+  }
+
+  lastInitState.url = url;
+  lastInitState.result = responseBody;
+  lastInitState.timestamp = now;
+  return true;
+}
+
 function formatBody(buffer) {
   if (!buffer.length) {
     return '(empty)';
@@ -68,16 +87,20 @@ const loggedJtlHandler = async (req, res) => {
 
   const responseBody = formatBody(responseBuffer);
   const durationMs = Date.now() - started;
-  logger.info(`${req.socket.remoteAddress} ${req.method} ${truncateUrl(req.url)} ${res.statusCode} ${durationMs}ms`);
+  const isInit = req.url.startsWith('/api/v1/init');
 
-  logRequest({
-    remoteAddress: req.socket.remoteAddress,
-    method: req.method,
-    url: req.url,
-    statusCode: res.statusCode,
-    durationMs,
-    response: responseBody,
-  });
+  if (!isInit || shouldLogInit(req.url, res.statusCode, durationMs, responseBody)) {
+    logger.info(`${req.socket.remoteAddress} ${req.method} ${truncateUrl(req.url)} ${res.statusCode} ${durationMs}ms`);
+
+    logRequest({
+      remoteAddress: req.socket.remoteAddress,
+      method: req.method,
+      url: req.url,
+      statusCode: res.statusCode,
+      durationMs,
+      response: responseBody,
+    });
+  }
 };
 
 const httpsServer = https.createServer(
@@ -102,7 +125,6 @@ async function start() {
     logger.info(`Certificate: ${certPath}`);
     logger.info(`Pairing code: ${PAIRING_CODE}`);
     logger.info(`Auth token: ${AUTH_TOKEN}`);
-    logger.info('Import cert.pem into JTL POS trust store if required.');
   });
 }