wiki/server/core/logger.js

const _ = require('lodash')
const cluster = require('cluster')
const winston = require('winston')

/* global WIKI */

module.exports = {
  loggers: {},
  init() {
    let logger = winston.createLogger({
      level: WIKI.config.logLevel,
      format: winston.format.combine(
        winston.format.colorize(),
        winston.format.label({ label: (cluster.isMaster) ? 'MASTER' : `WORKER-${cluster.worker.id}` }),
        winston.format.timestamp(),
        winston.format.printf(info => `${info.timestamp} [${info.label}] ${info.level}: ${info.message}`)
      )
    })

    _.forOwn(_.omitBy(WIKI.config.logging.loggers, s => s.enabled === false), (loggerConfig, loggerKey) => {
      let loggerModule = require(`../modules/logging/${loggerKey}`)
      loggerModule.init(logger, loggerConfig)
      this.loggers[logger.key] = loggerModule
    })

    return logger
  }
}