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logdunum

v0.9.0

Published

Put your entire cluster's log on a MongoDB to get the full story of what happens in your app !

Downloads

6

Readme

Purpose

Logdunum is made in order to make logging in a cluster of several servers a breeze, using MongoDB to store everything fast. It provides both an API for logging from your code, and a cli in order to show and filter your logs.

Install

npm install logdunum

Usage

  • in your code, in order to log something :
var logger = require('logdunum')(module) // you should get it locally in each module to report the file

logger.info('hello, world')
logger.debug('hello','world')
logger.warn({hello: 'world', "goodbye in":5}, 'minutes')
  • as a client :
$> logdunum -f -n 50

You can get help with the cli using --help :

$> logdunum --help

  Usage: logdunum [options]

  Options:

    -h, --help            output usage information
    -V, --version         output the version number
    -n, --lines [number]  Only output the last n lines
    -f, --follow          Output appended lines as their arrive
    -l, --level [level]   Filter lines by level, either as a regexp, or a comma separated list
    -m, --min [level]     Minimal level threshold, with trace < debug < log < info < warn < error < fatal
    -u, --user [user]     Output only what happened for user
    -c, --no-color        Output without colors
    -d, --rawdate         Output raw date, rather than humanized ones
    -p, --fullpath        Output full file path, rather than humanized ones

Configuration

You can configure logdunum with everything available in lib/config.js thanks to cfg, so you can override settings thank to the process arguments using namespace 'logdunum' or by prefixing environnment variable with 'LOGDUNUM'

  • examples :
$> ./myprogram --logdunum-database mylogs
$> logdunum --logdunum-collection logdunumLogs
$> LOGDUNUM_PORT=27018 logdunum -f