package logger import ( "os" "github.com/sirupsen/logrus" ) // FieldLogger interface type FieldLogger interface { Logger WithField(string, interface{}) FieldLogger WithFields(map[string]interface{}) FieldLogger } // Logger interface is used throughout Buffalo // apps to log a whole manner of things. type Logger interface { Debugf(string, ...interface{}) Infof(string, ...interface{}) Printf(string, ...interface{}) Warnf(string, ...interface{}) Errorf(string, ...interface{}) Fatalf(string, ...interface{}) Debug(...interface{}) Info(...interface{}) Warn(...interface{}) Error(...interface{}) Fatal(...interface{}) Panic(...interface{}) } func ParseLevel(level string) (Level, error) { l, err := logrus.ParseLevel(level) return Level(l), err } // NewLogger based on the specified log level, defaults to "debug". // See `New` for more details. func NewLogger(level string) FieldLogger { lvl, err := logrus.ParseLevel(level) if err != nil { lvl = logrus.DebugLevel } return New(lvl) } // New based on the specified log level, defaults to "debug". // This logger will log to the STDOUT in a human readable, // but parseable form. /* Example: time="2016-12-01T21:02:07-05:00" level=info duration=225.283µs human_size="106 B" method=GET path="/" render=199.79µs request_id=2265736089 size=106 status=200 */ func New(lvl Level) FieldLogger { e := os.Getenv("GO_ENV") if len(e) == 0 { e = "development" } dev := e == "development" l := logrus.New() l.SetOutput(os.Stdout) l.Level = lvl l.Formatter = &textFormatter{ ForceColors: dev, } return Logrus{l} }