brickflow-logger v0.2.3
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
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