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brickflow-logger

v0.2.3

Published

``brickflow-logger`` is a logger around ``winston``, which aims to be a complete logging solution for node/express apps.

Downloads

3

Readme

brickflow-logger

brickflow-logger is a logger around winston, which aims to be a complete logging solution for node/express apps.

Usage


    var metrics = require('brickflow-logger')({
      logstash: { host, port, ... },
      amqp: { connection: require('amqp').createConnection({ ... }) }
    });
    
    var logger = metrics.createTracker('loggerName');
    logger.info('eventName', {
      some: 'options', 
      and: { it: ['canBe', 'nested'] } 
    });
    // => info: eventName url=undefined, ip=null, eventType=loggerName, 
    //    affiliateID=undefined, distinct_id=undefined, some=options, 
    //    and.it.0=canBe, and.it.1=nested

Time measurement features

Create a time tracker and track some time:


    var metrics = require('brickflow-logger')({...});
    var tracker = createTimeTracker('trackerName');    
    
    var measureDuration = tracker.time('you-name-it') // Starts the timer
    
    var lapInfo = measureDuration.lap('firstStepComplete', {some: 'moreInfo'});
    
    measureDuration.lap('allStepsComplete');
    
    var durationLogger = measureDuration.end(); // ends the timer
    var durationLogger = measureDuration.timeEnd('you-may-name-it') // same

At this point, durationLogger behaves as a logger (has info, error, ...) except that it automatically logs the durations and dates based on the names you give and also contains the measured information, if you want to inspect what has happened.


    durationLogger.key === 'you-name-it'
    durationLogger.info('you-may-name-it-by-default', {optional: 'more info'});

Funnel

createFunnelTracker is similar, automatically logs when you call lap. It can also be used with the more intutive start-step-end aliases.


    var metrics = require('brickflow-logger')({...});
    var tracker = metrics.createFunnelTracker('somethingFunnel');
    var funnel = tracker.start('funnelName', {distinctRandom: 4});
    funnel.step('stepName'); // alias for ``lap()``
    funnel.step('happening', {optionalAdditionalLogInfo: true});
    funnel.end() // automatically logs a summary called 'funnelName'
    funnel.end(false) // end silently