Node.js log Dissector

A toolkit for dissecting/parsing information from logfiles using Node.js. If you add your own please shout them back if you think they'll be useful.

Originally crafted by adamvr

Build Status

Example Usage

//you don't have to specify the particular dissector here - but we do
const dissector = require('node-log-dissector').dissectors['s3'];
 
const stream = fs.createReadStream('./my_s3.log', {flags: 'r', encoding: 'utf-8', autoClose: true}).on('readable', function() {
    self.read(0);
});
 
stream.on('data', function(data) {
    console.log(dissector.dissect(data));
});

Log Dissectors included

• ssh invalid users
• ssh login
• ssh logout
• sudo failure
• sudo sucess
• AWS S3 access logs
• AWS CloudFront access logs (v1.0)
• AWS Elastic Load Balancer (ELB)
• Level3 CDN access logs

Changelog

2020-06-17 v2.0.0

• made it a bit more ES6
• removed support for Node < 12
• Changed licence to MIT- knock yourself out
• Was going to rip out lodash from tests but couldn't be bothered, just updated lib instead

2016-09-19

• Add disector to parse AWS Elastic Loade Balancer (ELB) logs

2013-10-18

• Added license.md - BSD
• Published independently of original project git://github.com/adamvr/node-log-dissector.git

2013-10-09

• Added level3 cdn access logs processor
• Added test for level3 parser using Mocha
• Added travis build support
• Improved s3 parsing
• Added test for s3 parser
• removed excess util ref

2015-02-07

• Added a cloudfront v1.0 log parser
• It's 2015 - Now using the docker to develop and test - it's the future (official Node v0.10.36 container):

    sudo docker run \
     -it --rm --name npm_test \ 
     -v $PWD:/app -w /app \ 
     node:0.10.36 \
     /bin/bash