briareus/lib/service/logger.js

Briareus assists with Feature Branch deploys to ECS

'use strict'

const fs = require('fs');
const bunyan = require('bunyan');
const _ = require('lodash');

const config = require('./config');
var streams = [];

// Setup stderr logging
if (config.get('logging.stderr') === true) {
  streams.push({ stream: process.stderr });
}

// Setup stdout logging
if (config.get('logging.stdout') === true) {
  streams.push({ stream: process.stdout });
}

var log = bunyan.createLogger({
  name: 'Briareus',
  level: config.get('logging.level'),
  serializers: bunyan.stdSerializers,
  streams: streams
});

const reqSerializer = (req) => {
  let maskHeader = '***';
  let sensitiveHeaders = ['authorization'];
  let headers = _.clone(req.headers);

  if (!req || !req.connection) return req;

  sensitiveHeaders.forEach((header) => {
    if (!headers[header]) return;
    headers[header] = maskHeader
  })

  return {
    method: req.method,
    url: req.url,
    headers: headers,
    remoteAddress: req.connection.remoteAddress,
    remotePort: req.connection.remotePort
  };
}

log.addSerializers({
  req: reqSerializer
});

module.exports = log;