blob: a2acf550c95dfecb11132ec8578d2b6ef8d4c560 [file] [log] [blame]
package logrus_test
import (
"github.com/sirupsen/logrus"
"os"
)
func Example_basic() {
var log = logrus.New()
log.Formatter = new(logrus.JSONFormatter)
log.Formatter = new(logrus.TextFormatter) //default
log.Formatter.(*logrus.TextFormatter).DisableTimestamp = true // remove timestamp from test output
log.Level = logrus.DebugLevel
log.Out = os.Stdout
// 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")
// }
defer func() {
err := recover()
if err != nil {
entry := err.(*logrus.Entry)
log.WithFields(logrus.Fields{
"omg": true,
"err_animal": entry.Data["animal"],
"err_size": entry.Data["size"],
"err_level": entry.Level,
"err_message": entry.Message,
"number": 100,
}).Error("The ice breaks!") // or use Fatal() to force the process to exit with a nonzero code
}
}()
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!")
// Output:
// level=debug msg="Started observing beach" animal=walrus number=8
// level=info msg="A group of walrus emerges from the ocean" animal=walrus size=10
// level=warning msg="The group's number increased tremendously!" number=122 omg=true
// level=debug msg="Temperature changes" temperature=-4
// level=panic msg="It's over 9000!" animal=orca size=9009
// level=error msg="The ice breaks!" err_animal=orca err_level=panic err_message="It's over 9000!" err_size=9009 number=100 omg=true
}