package main import ( "github.com/sirupsen/logrus" // "os" ) var log = logrus.New() func init() { log.Formatter = new(logrus.JSONFormatter) log.Formatter = new(logrus.TextFormatter) // default // file, err := os.OpenFile("logrus.log", os.O_CREATE|os.O_WRONLY, 0666) // if err == nil { // log.Out = file // } else { // log.Info("Failed to log to file, using default stderr") // } log.Level = logrus.DebugLevel } func main() { defer func() { err := recover() if err != nil { log.WithFields(logrus.Fields{ "omg": true, "err": err, "number": 100, }).Fatal("The ice breaks!") } }() log.WithFields(logrus.Fields{ "animal": "walrus", "number": 8, }).Debug("Started observing beach") log.WithFields(logrus.Fields{ "animal": "walrus", "size": 10, }).Info("A group of walrus emerges from the ocean") log.WithFields(logrus.Fields{ "omg": true, "number": 122, }).Warn("The group's number increased tremendously!") log.WithFields(logrus.Fields{ "temperature": -4, }).Debug("Temperature changes") log.WithFields(logrus.Fields{ "animal": "orca", "size": 9009, }).Panic("It's over 9000!") }