actionhero/config/logger.js

actionhero.js is a multi-transport API Server with integrated cluster capabilities and delayed tasks

var fs = require('fs');
var cluster = require('cluster');

exports['default'] = {
  logger: function(api){
    var logger = {transports: []};

    // console logger
    if(cluster.isMaster){
      logger.transports.push(function(api, winston){
        return new (winston.transports.Console)({
          colorize: true,
          level: 'info',
          timestamp: true,
        });
      });
    }

    // file logger
    if(api.config.general.paths.log.length === 1){
      var logDirectory = api.config.general.paths.log[0];
      try{
        fs.mkdirSync(logDirectory);
      }catch(e){
        if(e.code !== 'EEXIST'){
          throw(new Error('Cannot create log directory @ ' + logDirectory));
        }
      }
    }

    logger.transports.push(function(api, winston){
      return new (winston.transports.File)({
        filename: api.config.general.paths.log[0] + '/' + api.pids.title + '.log',
        level: 'info',
        timestamp: true
      });
    });

    // the maximum length of param to log (we will truncate)
    logger.maxLogStringLength = 100;

    // you can optionally set custom log levels
    // logger.levels = {good: 0, bad: 1};

    // you can optionally set custom log colors
    // logger.colors = {good: 'blue', bad: 'red'};

    return logger;
  }
};

exports.test = {
  logger: function(api){
    return {
      transports: null
    };
  }
};