Use req/res logger instead of the one bound to global object

lib/api/map/anonymous-map-controller.js

@@ -152,6 +152,7 @@ function prepareAdapterMapConfig (mapConfigAdapter) {
     return function prepareAdapterMapConfigMiddleware (req, res, next) {
         const requestMapConfig = req.body;
 
+        const { logger } = res.locals;
         const { user, api_key: apiKey } = res.locals;
         const { dbuser, dbname, dbpassword, dbhost, dbport } = res.locals;
         const params = Object.assign({ dbuser, dbname, dbpassword, dbhost, dbport }, req.query);
@@ -159,6 +160,7 @@ function prepareAdapterMapConfig (mapConfigAdapter) {
         const context = {
             analysisConfiguration: {
                 user,
+                logger,
                 db: {
                     host: dbhost,
                     port: dbport,

lib/api/middlewares/user.js

@@ -3,9 +3,10 @@
 const CdbRequest = require('../../models/cdb-request');
 
 module.exports = function user (metadataBackend) {
-    const cdbRequest = new CdbRequest();
-
     return function userMiddleware (req, res, next) {
+        const { logger } = res.locals;
+        const cdbRequest = new CdbRequest({ logger });
+
         res.locals.user = getUserNameFromRequest(req, cdbRequest);
 
         metadataBackend.getUserId(res.locals.user, (err, userId) => {