Remove GAE logging

modules/createServer.js

@@ -40,12 +40,6 @@ export default function createServer() {
     app.use(cors());
     app.use(express.static('public', { maxAge: '1y' }));
 
-    // Special startup request from App Engine
-    // https://cloud.google.com/appengine/docs/standard/nodejs/how-instances-are-managed
-    app.get('/_ah/start', (req, res) => {
-      res.status(200).end();
-    });
-
     app.use(requestLog);
 
     app.get('/', serveMainPage);

modules/middleware/requestLog.js

@@ -1,55 +1,10 @@
 import util from 'util';
 
-// https://cloud.google.com/appengine/docs/standard/nodejs/runtime#environment_variables
-const projectId = process.env.GOOGLE_CLOUD_PROJECT;
-
 const enableDebugging = process.env.DEBUG != null;
 
 function noop() {}
 
 function createLog(req) {
-  const traceContext = req.headers['x-cloud-trace-context'];
-
-  if (projectId && traceContext) {
-    const [traceId, spanId] = traceContext.split('/');
-    const trace = `projects/${projectId}/traces/${traceId}`;
-
-    return {
-      debug: enableDebugging
-        ? (format, ...args) => {
-            console.log(
-              JSON.stringify({
-                severity: 'DEBUG',
-                'logging.googleapis.com/trace': trace,
-                'logging.googleapis.com/spanId': spanId,
-                message: util.format(format, ...args)
-              })
-            );
-          }
-        : noop,
-      info: (format, ...args) => {
-        console.log(
-          JSON.stringify({
-            severity: 'INFO',
-            'logging.googleapis.com/trace': trace,
-            'logging.googleapis.com/spanId': spanId,
-            message: util.format(format, ...args)
-          })
-        );
-      },
-      error: (format, ...args) => {
-        console.error(
-          JSON.stringify({
-            severity: 'ERROR',
-            'logging.googleapis.com/trace': trace,
-            'logging.googleapis.com/spanId': spanId,
-            message: util.format(format, ...args)
-          })
-        );
-      }
-    };
-  }
-
   return {
     debug: enableDebugging
       ? (format, ...args) => {

modules/server.js

@@ -1,7 +1,3 @@
-if (process.env.GAE_ENV === 'standard') {
-  require('@google-cloud/trace-agent').start();
-}
-
 import createServer from './createServer.js';
 
 const server = createServer();