log

type Config struct {
	Name            string
	Writers         []string
	LogFile         string
	LogLevel        string
	LogFormat       string
	StackTraceLevel string
	MaxSize         int
	MaxBackups      int
	MaxDays         int
	Compress        bool
}

type Fields map[string]interface{}

type Logger interface {
	ResetLogger(logger Logger)
	SetFields(Fields)
	GetFields() Fields
	GetField(string) (interface{}, bool)

	WithField(string, interface{}) Logger
	WithFields(Fields) Logger
	WithError(error) Logger

	Debug(string, ...interface{})
	Info(string, ...interface{})
	Warn(string, ...interface{})
	Error(string, ...interface{})
	Panic(string, ...interface{})
	Fatal(string, ...interface{})
}

type LoggerGroup interface {
	GetLogger(name string, useDefault ...bool) (Logger, bool)
	Default() Logger
}