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logger.go
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logger.go
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package logger
import (
"io/ioutil"
"code.cloudfoundry.org/lager"
"github.com/sirupsen/logrus"
)
func New(logger lager.Logger) *logrus.Logger {
var log = &logrus.Logger{
Out: ioutil.Discard,
Hooks: make(logrus.LevelHooks),
Formatter: new(logrus.JSONFormatter),
Level: logrus.DebugLevel,
}
log.Hooks.Add(newLagerHook(logger))
return log
}
func newLagerHook(logger lager.Logger) *lagerHook {
return &lagerHook{logger}
}
type lagerHook struct {
lager.Logger
}
func (lf *lagerHook) Levels() []logrus.Level {
return logrus.AllLevels
}
func (lf *lagerHook) Fire(entry *logrus.Entry) error {
switch entry.Level {
case logrus.DebugLevel:
lf.Logger.Debug("event", lager.Data{"message": entry.Message, "fields": entry.Data})
case logrus.InfoLevel:
lf.Logger.Info("event", lager.Data{"message": entry.Message, "fields": entry.Data})
case logrus.WarnLevel:
lf.Logger.Info("event", lager.Data{"message": entry.Message, "fields": entry.Data})
case logrus.ErrorLevel:
lf.Logger.Error("event", nil, lager.Data{"message": entry.Message, "fields": entry.Data})
case logrus.FatalLevel:
lf.Logger.Fatal("event", nil, lager.Data{"message": entry.Message, "fields": entry.Data})
case logrus.PanicLevel:
lf.Logger.Fatal("event", nil, lager.Data{"message": entry.Message, "fields": entry.Data})
}
return nil
}