Merge pull request #274 from sematext/sc-10763-fix-vercel-cache-logging

SC-10763: Added formatting for cached requests

lib/plugins/output-filter/vercel-format.js

@@ -22,15 +22,27 @@ function formatVercelLogsOutput (context, config, eventEmitter, log, callback) {
       console.log(e, log)
     }
 
-    callback(e, log)
+    callback(null, log)
   }
 }
 
 function parseVercelLog (log) {
+  // if the log is not from Lambda, return right away
   if (log && log.source && log.source !== 'lambda') {
     return log
   }
 
+  // if the log is a cached request, handle parsing here
+  if (log && log.proxy && log.proxy.cacheId) {
+    const { source, ...rest } = log
+    return {
+      message: `Cache hit for requestId: ${rest.proxy.cacheId}`,
+      source: 'cache',
+      ...rest
+    }
+  }
+
+  // if the log is a Lambda request enrich log with metrics
   const { message, ...rest } = log
   const splitN = message.split('\n')
   const filtered = splitN.filter(f => f.startsWith('REPORT'))