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logrus_log.go
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logrus_log.go
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package log
/*
* `zlog` is a simple implementation of `grpclog.LoggerV2` interface using `zerolog`.
* Use this to log the internal actions of a gRPC server or client.
*
* Example:
*
* logger := zerolog.New(os.Stdout).With().Timestamp().Logger()
* logger = logger.With().Str("component", "client-grpc").Logger()
*
* grpclog.SetLoggerV2(log.NewLogrus(logger))
*
*/
import (
"fmt"
"github.com/rs/zerolog"
)
type LogrusLogger interface {
Panic(v ...interface{})
Panicf(format string, v ...interface{})
Panicln(v ...interface{})
Fatal(v ...interface{})
Fatalf(format string, v ...interface{})
Fatalln(v ...interface{})
Error(v ...interface{})
Errorf(format string, v ...interface{})
Errorln(v ...interface{})
Warn(v ...interface{})
Warnf(format string, v ...interface{})
Warnln(v ...interface{})
Warning(v ...interface{})
Warningf(format string, v ...interface{})
Warningln(v ...interface{})
Info(v ...interface{})
Infof(format string, v ...interface{})
Infoln(v ...interface{})
Debug(v ...interface{})
Debugf(format string, v ...interface{})
Debugln(v ...interface{})
Print(v ...interface{})
Printf(format string, v ...interface{})
Println(v ...interface{})
Trace(v ...interface{})
Tracef(format string, v ...interface{})
Traceln(v ...interface{})
V(verbosity int) bool
SetLevel(lvl zerolog.Level)
GetLevel() zerolog.Level
WithField(key string, value interface{}) zerolog.Context
WithFields(fields map[string]interface{}) zerolog.Context
}
func NewLogrus(log zerolog.Logger) LogrusLogger {
return &logrusLogger{log: log}
}
type logrusLogger struct {
log zerolog.Logger
}
func (l *logrusLogger) Panic(args ...interface{}) {
l.log.Panic().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Panicf(format string, args ...interface{}) {
l.log.Panic().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Panicln(args ...interface{}) {
l.Panic(args...)
}
func (l *logrusLogger) Fatal(args ...interface{}) {
l.log.Fatal().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Fatalf(format string, args ...interface{}) {
l.log.Fatal().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Fatalln(args ...interface{}) {
l.Fatal(args...)
}
func (l *logrusLogger) Error(args ...interface{}) {
l.log.Error().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Errorf(format string, args ...interface{}) {
l.log.Error().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Errorln(args ...interface{}) {
l.Error(args...)
}
func (l *logrusLogger) Warning(args ...interface{}) {
l.log.Warn().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Warningf(format string, args ...interface{}) {
l.log.Warn().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Warningln(args ...interface{}) {
l.Warning(args...)
}
func (l *logrusLogger) Warn(args ...interface{}) {
l.log.Warn().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Warnf(format string, args ...interface{}) {
l.log.Warn().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Warnln(args ...interface{}) {
l.Warn(args...)
}
func (l *logrusLogger) Info(args ...interface{}) {
l.log.Info().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Infof(format string, args ...interface{}) {
l.log.Info().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Infoln(args ...interface{}) {
l.Info(args...)
}
func (l *logrusLogger) Debug(args ...interface{}) {
l.log.Debug().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Debugf(format string, args ...interface{}) {
l.log.Debug().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Debugln(args ...interface{}) {
l.Debug(args...)
}
func (l *logrusLogger) Print(args ...interface{}) {
l.log.Info().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Printf(format string, args ...interface{}) {
l.log.Info().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Println(args ...interface{}) {
l.Print(args...)
}
func (l *logrusLogger) Trace(args ...interface{}) {
l.log.Trace().Msg(fmt.Sprint(args...))
}
func (l *logrusLogger) Tracef(format string, args ...interface{}) {
l.log.Trace().Msg(fmt.Sprintf(format, args...))
}
func (l *logrusLogger) Traceln(args ...interface{}) {
l.Trace(args...)
}
func (l *logrusLogger) V(verbosity int) bool {
// verbosity values:
// 0 = info
// 1 = warning
// 2 = error
// 3 = fatal
switch l.log.GetLevel() {
case zerolog.PanicLevel:
return verbosity > 3
case zerolog.FatalLevel:
return verbosity == 3
case zerolog.ErrorLevel:
return verbosity == 2
case zerolog.WarnLevel:
return verbosity == 1
case zerolog.InfoLevel:
return verbosity == 0
case zerolog.DebugLevel:
return true
case zerolog.TraceLevel:
return true
default:
return false
}
}
// Level creates a child logger with the minimum accepted level set to level.
func (l *logrusLogger) SetLevel(lvl zerolog.Level) {
_ = l.log.Level(lvl)
}
// GetLevel returns the current Level of l.
func (l *logrusLogger) GetLevel() zerolog.Level {
return l.log.GetLevel()
}
// WithField allocates a new entry and adds a field to it.
// Debug, Print, Info, Warn, Error, Fatal or Panic must be then applied to
// this new returned entry.
// If you want multiple fields, use `WithFields`.
func (l *logrusLogger) WithField(key string, value interface{}) zerolog.Context {
return l.log.With().Interface(key, value)
}
// Adds a struct of fields to the log entry. All it does is call `WithField` for
// each `Field`.
func (l *logrusLogger) WithFields(fields map[string]interface{}) zerolog.Context {
return l.log.With().Fields(fields)
}