go-bunyan is a node-bunyan compatible logger implementation written in Go1.2.

In short, this is a simple structured JSON logger. Logs outputs are JSON records that are easy to further parse/query and mine. The format is inspired by the node-bunyan tool. However the implementation and configuration is purely from the ground-up as Go1.2 is obviously not JavaScript.

This thing is a work-in-progress, so expect some bugs and some missing features. But do feel free to try it out and file bugs and feature requests.

Use the NewStdLogger method to create a new, standard logger:

import "github.com/chakrit/go-bunyan"

var Log = bunyan.NewStdLogger("appname", bunyan.StdoutSink())

Log with one of Tracef, Debugf, Infof, Warnf, Errorf and Fatalf. Include additional information to the logger with the Reocrd or Recordf method. And finally, create child loggers with the Child() method. Here are some examples:

address := ":8080"

// simple record with one extra value:
Log.Record("address", address).Infof("starting server...")

// record with fmt-style args
Log.Info("starting server at `%s`...", address)

// create child loggers with added info
child := Log.Record("address", address).Child()
child.Info("starting server...")

More documentation will be available once this library is more complete.