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logdunum

0.9.0 • Public • Published

Purpose

Logdunum is made in order to make logging in a cluster of several servers a breeze, using MongoDB to store everything fast. This part provides an API for logging from your NodeJS code, you are advised to install the cli in global in order to show and filter your logs.

Install

  • add the logdunum lib to your project :
#add logdunum to your project 
$> npm install --save logdunum
  • add the logdunum CLI to your system in global :
#install the cli 
$> sudo npm install -g ldm

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')
  • in your console, using the ldm CLI :
$> ldm -f -n 50

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

$> ldm --help
 
  Usage: ldm [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, [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
    --with-logdunum-configuration-file                                           set logdunum option [configuration file]
    --with-logdunum-host <localhost>                                             set logdunum option [host]
    --with-logdunum-port <27017>                                                 set logdunum option [port]
    --with-logdunum-database <logdunum>                                          set logdunum option [database]
    --with-logdunum-collection <logs>                                            set logdunum option [collection]
    --with-logdunum-failover </home/a117391/dev/Logdunum/logdunum/failover.log>  set logdunum option [failover]
 

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'. It works both with your own program using logdunum and with the ldm CLI :

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

Readme

Keywords

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Install

npm i logdunum

Repository

github.com/Logdunum/logdunum

Homepage

github.com/Logdunum/logdunum#readme

Weekly Downloads

0

Version

0.9.0

License

BSD

Last publish

Collaborators

  • temsa
  • marsup
  • filirom1
  • maxired
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