zbark

package main

import (
	"github.com/uber-go/zap"
	"github.com/uber-go/zap/zbark"
)

func main() {
	zapLogger := zap.New(zap.NewJSONEncoder(
		zap.NoTime(), // discard timestamps in tests
	))

	// Wrap our structured logger to mimic bark.Logger.
	logger := zbark.Barkify(zapLogger)

	// The wrapped logger has bark's usual fluent API.
	logger.WithField("errors", 0).Infof("%v accepts arbitrary types.", "Bark")

}

Output:
{"level":"info","msg":"Bark accepts arbitrary types.","errors":0}

package main

import (
	"os"

	"github.com/uber-go/zap"
	"github.com/uber-go/zap/zbark"

	"github.com/Sirupsen/logrus"
	"github.com/uber-common/bark"
)

func main() {
	logrusLogger := logrus.New()
	logrusLogger.Out = os.Stdout
	logrusLogger.Formatter = &logrus.JSONFormatter{
		TimestampFormat: "lies",
	}
	barkLogger := bark.NewLoggerFromLogrus(logrusLogger).WithField("errors", 0)
	logger := zbark.Debarkify(barkLogger, zap.DebugLevel)

	// The wrapped logger has zap's actually fluent API.
	logger.Info("Zap accepts", zap.String("typed", "fields"))

}

Output:
{"errors":0,"level":"info","msg":"Zap accepts","time":"lies","typed":"fields"}