server/helpers/logger.js

   1 // Thanks http://tostring.it/2014/06/23/advanced-logging-with-nodejs/
   2 'use strict'
   3
   4 const config = require('config')
   5 const mkdirp = require('mkdirp')
   6 const path = require('path')
   7 const winston = require('winston')
   8 winston.emitErrs = true
   9
  10 const logDir = path.join(__dirname, '..', '..', config.get('storage.logs'))
  11 const label = config.get('webserver.host') + ':' + config.get('webserver.port')
  12
  13 // Create the directory if it does not exist
  14 mkdirp.sync(logDir)
  15
  16 const logger = new winston.Logger({
  17   transports: [
  18     new winston.transports.File({
  19       level: 'debug',
  20       filename: path.join(logDir, 'all-logs.log'),
  21       handleExceptions: true,
  22       json: true,
  23       maxsize: 5242880,
  24       maxFiles: 5,
  25       colorize: false
  26     }),
  27     new winston.transports.Console({
  28       level: 'debug',
  29       label: label,
  30       handleExceptions: true,
  31       humanReadableUnhandledException: true,
  32       json: false,
  33       colorize: true
  34     })
  35   ],
  36   exitOnError: true
  37 })
  38
  39 logger.stream = {
  40   write: function (message, encoding) {
  41     logger.info(message)
  42   }
  43 }
  44
  45 // ---------------------------------------------------------------------------
  46
  47 module.exports = logger