sdfmt

Stackdriver formatter for logrus logger compliant with Stackdriver Logging API.

Installation

go get -u github.com/datainq/sdfmt

Usage

package main

import (
	"github.com/datainq/sdfmt"
	log "github.com/sirupsen/logrus"
)

func main() {
	log.SetFormatter(&sdfmt.StackdriverFormatter{})
	log.WithFields(log.Fields{
		"animal": "walrus",
	}).Info("A walrus appears")
}

Output:

{"labels":{"animal":"walrus"},"message":"A walrus appears","severity":200,"timestamp":"2019-03-31T18:35:13.752104+02:00"}

Logging levels association

logrus.Level	Stackdriver's LogSeverity
-	DEFAULT (0)
logrus.TraceLevel, logrus.DebugLevel	DEBUG (100)
logrus.InfoLevel	INFO (200)
-	NOTICE (300)
logrus.WarnLevel	WARNING (400)
logrus.ErrorLevel	ERROR (500)
-	CRITICAL (600)
-	ALERT (700)
logrus.FatalLevel, logrus.PanicLevel	EMERGENCY (800)