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* Using node-graylog2 instead of custom protocol implementation * Moving to mocha for tests and implementing the base tests * Updated readme * Updated package.json * Updated .travic.yml and bumped minumum node version to a more modern 0.10
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,3 +1,3 @@ | ||
| language: node_js | ||
| node_js: | ||
| - 0.6 | ||
| - 0.10 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,89 +1,49 @@ | ||
| // winston-graylog2.js: Transport for outputting logs over UDP to Graylog2 | ||
| 'use strict'; | ||
| var util = require('util'), | ||
| winston = require('winston'), | ||
| compress = require('compress-buffer').compress, | ||
| dgram = require('dgram'); | ||
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| var Graylog2 = exports.Graylog2 = winston.transports.Graylog2 = function (options) { | ||
| this.name = options.name || 'graylog2'; | ||
| this.level = options.level || 'info'; | ||
| this.silent = options.silent || false; | ||
| this.handleExceptions = options.handleExceptions || false; | ||
| this.udpClient = dgram.createSocket('udp4'); | ||
| this.udpClient.on('error', function (err) { | ||
| // Handle any suprise errors | ||
| util.error(err); | ||
| }); | ||
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| this.graylogHost = options.graylogHost || 'localhost'; | ||
| this.graylogPort = options.graylogPort || 12201; | ||
| this.graylogHostname = options.graylogHostname || require('os').hostname(); | ||
| this.graylogFacility = options.graylogFacility || 'nodejs'; | ||
| this.graylogSequence = 0; | ||
| graylog2 = require('graylog2'); | ||
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| function getMessageLevel(winstonLevel) { | ||
| var levels = { | ||
| emerg: 'emergency', | ||
| alert: 'alert', | ||
| crit: 'critical', | ||
| error: 'error', | ||
| warning: 'warning', | ||
| notice: 'notice', | ||
| info: 'info', | ||
| debug: 'debug' | ||
| }; | ||
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| return levels[winstonLevel] || levels.info; | ||
| } | ||
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| var Graylog2 = winston.transports.Graylog2 = function(options) { | ||
| options = options || {}; | ||
| options.graylog = options.graylog || { | ||
| servers: [{ | ||
| 'host': 'localhost', | ||
| port: 12201 | ||
| }] | ||
| }; | ||
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| this.name = options.name || 'graylog2'; | ||
| this.level = options.level || 'info'; | ||
| this.silent = options.silent || false; | ||
| this.handleExceptions = options.handleExceptions || false; | ||
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| this.graylog2 = new graylog2.graylog(options.graylog); | ||
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| this.graylog2.on('error', function(error) { | ||
| console.error('Error while trying to write to graylog2:', error); | ||
| }); | ||
| }; | ||
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| util.inherits(Graylog2, winston.Transport); | ||
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| var getMessageLevel = function (winstonLevel) { | ||
| switch (winstonLevel) { | ||
| case 'silly': | ||
| case 'debug': return 7 | ||
| case 'verbose': | ||
| case 'data': | ||
| case 'prompt': | ||
| case 'input': | ||
| case 'info': return 6 | ||
| case 'help': | ||
| case 'notice': return 5 | ||
| case 'warn': | ||
| case 'warning': return 4 | ||
| case 'error': return 3 | ||
| case 'crit': return 2 | ||
| case 'alert': return 1 | ||
| case 'emerg': return 0 | ||
| default: return 6 | ||
| } | ||
| Graylog2.prototype.log = function(level, msg, meta, callback) { | ||
| this.graylog2[getMessageLevel(level)](msg); | ||
| callback(null, true); | ||
| }; | ||
|
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| Graylog2.prototype.log = function (level, msg, meta, callback) { | ||
| var self = this, message = {}, key; | ||
|
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| if (self.silent) { | ||
| return callback(null, true); | ||
| } | ||
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| // Must be in this format: https://github.com/Graylog2/graylog2-docs/wiki/GELF | ||
| message.version = "1.0"; | ||
| message.timestamp = +new Date()/1000; | ||
| message.host = self.graylogHostname; | ||
| message.facility = self.graylogFacility; | ||
| message.short_message = msg; | ||
| message.full_message = meta || {}; | ||
| message.level = getMessageLevel(level); | ||
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| if (!!meta) { | ||
| for (key in meta) { | ||
| if (key !== 'id') { | ||
| message['_'+key] = meta[key]; | ||
| } | ||
| } | ||
| } | ||
| var flatMessage = util.inspect(message,{ | ||
| depth: 4, | ||
| showHidden: true | ||
| }); | ||
| var compressedMessage = compress(new Buffer(flatMessage)); | ||
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| if (compressedMessage.length > 8192) { | ||
| return callback(new Error("Log message size > 8192 bytes not supported."), null); | ||
| } | ||
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| this.udpClient.send(compressedMessage, 0, compressedMessage.length, self.graylogPort, self.graylogHost, function (err, bytes) { | ||
| if (err) { | ||
| callback(err, null); | ||
| } else { | ||
| callback(null, true); | ||
| } | ||
| }); | ||
| }; | ||
| module.exports = Graylog2; |
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