70 lines
1.9 KiB
JavaScript
70 lines
1.9 KiB
JavaScript
"use strict";
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var layouts = require('../layouts')
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, dgram = require('dgram')
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, util = require('util');
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function logstashUDP (config, layout) {
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var udp = dgram.createSocket('udp4');
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var type = config.logType ? config.logType : config.category;
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layout = layout || layouts.dummyLayout;
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if(!config.fields) {
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config.fields = {};
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}
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return function log(loggingEvent) {
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/*
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https://gist.github.com/jordansissel/2996677
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{
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"message" => "hello world",
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"@version" => "1",
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"@timestamp" => "2014-04-22T23:03:14.111Z",
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"type" => "stdin",
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"host" => "hello.local"
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}
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@timestamp is the ISO8601 high-precision timestamp for the event.
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@version is the version number of this json schema
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Every other field is valid and fine.
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*/
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if (loggingEvent.data.length > 1) {
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var secondEvData = loggingEvent.data[1];
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for (var k in secondEvData) {
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config.fields[k] = secondEvData[k];
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}
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}
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config.fields.level = loggingEvent.level.levelStr;
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config.fields.category = loggingEvent.categoryName;
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var logObject = {
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"@version" : "1",
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"@timestamp" : (new Date(loggingEvent.startTime)).toISOString(),
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"type" : config.logType ? config.logType : config.category,
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"message" : layout(loggingEvent),
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"fields" : config.fields
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};
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sendLog(udp, config.host, config.port, logObject);
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};
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}
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function sendLog(udp, host, port, logObject) {
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var buffer = new Buffer(JSON.stringify(logObject));
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udp.send(buffer, 0, buffer.length, port, host, function(err, bytes) {
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if(err) {
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console.error(
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"log4js.logstashUDP - %s:%p Error: %s", host, port, util.inspect(err)
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);
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}
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});
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}
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function configure(config) {
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var layout;
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if (config.layout) {
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layout = layouts.layout(config.layout.type, config.layout);
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}
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return logstashUDP(config, layout);
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}
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exports.appender = logstashUDP;
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exports.configure = configure;
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