// NewGraylogHook creates a hook to be added to an instance of logger.
func NewGraylogHook(addr string, extra map[string]interface{}) *GraylogHook {
g, err := NewWriter(addr)
if err != nil {
logrus.WithField("err", err).Info("Can't create Gelf logger")
}
hook := &GraylogHook{
Extra: extra,
gelfLogger: g,
synchronous: true,
}
return hook
}
// NewAsyncGraylogHook creates a hook to be added to an instance of logger.
// The hook created will be asynchronous, and it's the responsibility of the user to call the Flush method
// before exiting to empty the log queue.
func NewAsyncGraylogHook(addr string, extra map[string]interface{}) *GraylogHook {
g, err := NewWriter(addr)
if err != nil {
logrus.WithField("err", err).Info("Can't create Gelf logger")
}
hook := &GraylogHook{
Extra: extra,
gelfLogger: g,
buf: make(chan graylogEntry, BufSize),
}
go hook.fire() // Log in background
return hook
}