Guide to Winston MongoDB: Distributing logs across multiple collections rather than aggregating them all into one collection

Is it possible to configure winston-mongodb to log to multiple collections simultaneously?

var winston = require('winston');
require('winston-mongodb').MongoDB;


var logger = new winston.Logger({
  level: 'info',
  transports: [
    new(winston.transports.MongoDB)({
            db : 'mongodb://xxxx'
        })
  ],
  capped : true,  // defaults to false
})

The current setup logs everything to a default collection named log, but I am looking for a way to create separate collections for each module. This will help me pinpoint and investigate issues specific to different domains more effectively.

javascriptmongodbloggingwinston

Answer №1

Effortless and efficient, the ability to direct logs to multiple collections is a breeze:

winston.loggers.add('errorLog',{
    transports : [
        new(winston.transports.MongoDB)({
            db : 'mongodb://yyyyy',
            collection : 'errorCollection',
            level : 'error',
            capped : true
        }),
    ]
});

var errorLog = winston.loggers.get('errorLog')
errorLog.error('An unexpected error occurred') 


winston.loggers.add('accessLog',{
    transports : [
        new(winston.transports.MongoDB)({
            db : 'mongodb://yyyyy',
            collection : 'accessCollection',
            level : 'info',
            capped : true
        }),
    ]
});

var accessLog = winston.loggers.get('accessLog')
accessLog.info('User accessed account successfully')

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