add request to transaction metadata

Author: lobsterkatie

packages/nextjs/src/config/wrappers/wrapperUtils.ts

@@ -106,7 +106,11 @@ export function callTracedServerSideDataFetcher<F extends (...args: any[]) => Pr
 
       requestTransaction = newTransaction;
       autoEndTransactionOnResponseEnd(newTransaction, res);
+
+      // Link the transaction and the request together, so that when we would normally only have access to one, it's
+      // still possible to grab the other.
       setTransactionOnRequest(newTransaction, req);
+      newTransaction.setMetadata({ request: req });
     }
 
     const dataFetcherSpan = requestTransaction.startChild({

packages/nextjs/src/utils/instrumentServer.ts

@@ -276,6 +276,7 @@ function makeWrappedReqHandler(origReqHandler: ReqHandler): WrappedReqHandler {
                 // like `source: isDynamicRoute? 'url' : 'route'`
                 // TODO: What happens when `withSentry` is used also? Which values of `name` and `source` win?
                 source: 'url',
+                request: req,
               },
               ...traceparentData,
             },

packages/nextjs/src/utils/withSentry.ts

@@ -72,7 +72,7 @@ export const withSentry = (origHandler: NextApiHandler): WrappedNextApiHandler =
               name: `${reqMethod}${reqPath}`,
               op: 'http.server',
               ...traceparentData,
-              metadata: { baggage, source: 'route' },
+              metadata: { baggage, source: 'route', request: req },
             },
             // extra context passed to the `tracesSampler`
             { request: req },