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Graylog2 transport for winston, a nodejs logging module
Latest commit cc103cc @unlucio unlucio Merge pull request #28 from slang800/master
add SPDX license code to package.json

winston-graylog2 Build Status

A graylog2 transport for winston based on the node-graylog2 Library


Tested on node-0.10.x, requires npm.

  $ npm install winston
  $ npm install winston-graylog2


  var winston = require('winston');
  winston.add(require('winston-graylog2'), options);


var WinstonGraylog2 = require('winston-graylog2');
var logger = new(winston.Logger)({
        exitOnError: false,
        transports: [new(WinstonGraylog2)(options)]


  • name: Transport name
  • level: Level of messages this transport should log. (default: info)
  • silent: Boolean flag indicating whether to suppress output. (default: false)
  • handleExceptions: Boolean flag, whenever to handle uncaught exceptions. (default: false)
  • graylog:
    • servers; list of graylog2 servers
      • host: your server address (default: localhost)
      • port: your server port (default: 12201)
    • hostname: the name of this host (default: os.hostname())
    • facility: the facility for these log messages (default: "Node.js")
    • bufferSize: max UDP packet size, should never exceed the MTU of your system (default: 1400)


  name: 'Graylog'
  level: 'debug',
  silent: false,
  handleExceptions: false,
  graylog: {
    servers: [{host: 'localhost', port: 12201}, {host: '', port: 12201}],
    hostname: 'myServer',
    facility: 'myAwesomeApp',
    bufferSize: 1400

Log Levels

Supported log levels, as from node-graylog2, are the following

Winston Level Graylog2 level
emerg emergency
alert alert
crit critical
error error
warning warning
notice notice
info info
debug debug

All other possibile winston's level, or custom levels, will default to info

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