LineRate snippet: Request Logging with Bunyan

bunyan-log.js

"use strict";
var vsm = require('lrs/virtualServerModule');
var bunyan = require('bunyan');
 
// Function to return required fields from the request object
function reqSerializer(req) {
  return {
           method: req.method,
           url: req.url,
           headers: req.headers.host
  }
}
 
var log = bunyan.createLogger({name: "LineRate proxy", serializers: {req: reqSerializer}});
 
// Handler for client requests
function onClientReq(servReq, servResp, next) {
  // Access the bunyan logger to output specific fields of the server request object
  log.info(reqSerializer(servReq));
  next();
}

vsm.on('exist', 'yourVirtualServerName', function (vs) {
  vs.on('request', onClientReq);
});