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interface.go
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package logrus
// Taken from https://github.com/sirupsen/logrus/blob/d1e6332644483cfee14de11099f03645561d55f8/logrus.go
import (
"context"
"fmt"
"strings"
)
// Fields type, used to pass to `WithFields`.
type Fields map[string]interface{}
// Level type
type Level uint32
func (level Level) String() string {
if b, err := level.MarshalText(); err == nil {
return string(b)
} else {
return "unknown"
}
}
func ParseLevel(lvl string) (Level, error) {
switch strings.ToLower(lvl) {
case "panic":
return PanicLevel, nil
case "fatal":
return FatalLevel, nil
case "error":
return ErrorLevel, nil
case "warn", "warning":
return WarnLevel, nil
case "info":
return InfoLevel, nil
case "debug":
return DebugLevel, nil
case "trace":
return TraceLevel, nil
}
var l Level
return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
}
func (level *Level) UnmarshalText(text []byte) error {
l, err := ParseLevel(string(text))
if err != nil {
return err
}
*level = l
return nil
}
func (level Level) MarshalText() ([]byte, error) {
switch level {
case TraceLevel:
return []byte("trace"), nil
case DebugLevel:
return []byte("debug"), nil
case InfoLevel:
return []byte("info"), nil
case WarnLevel:
return []byte("warning"), nil
case ErrorLevel:
return []byte("error"), nil
case FatalLevel:
return []byte("fatal"), nil
case PanicLevel:
return []byte("panic"), nil
}
return nil, fmt.Errorf("not a valid logrus level %d", level)
}
var AllLevels = []Level{
PanicLevel,
FatalLevel,
ErrorLevel,
WarnLevel,
InfoLevel,
DebugLevel,
TraceLevel,
}
const (
// PanicLevel level, highest level of severity. Logs and then calls panic with the
// message passed to Debug, Info, ...
PanicLevel Level = iota
// FatalLevel level. Logs and then calls `logger.Exit(1)`. It will exit even if the
// logging level is set to Panic.
FatalLevel
// ErrorLevel level. Logs. Used for errors that should definitely be noted.
// Commonly used for hooks to send errors to an error tracking service.
ErrorLevel
// WarnLevel level. Non-critical entries that deserve eyes.
WarnLevel
// InfoLevel level. General operational entries about what's going on inside the
// application.
InfoLevel
// DebugLevel level. Usually only enabled when debugging. Very verbose logging.
DebugLevel
// TraceLevel level. Designates finer-grained informational events than the Debug.
TraceLevel
)
type StdLogger interface {
Print(...interface{})
Printf(string, ...interface{})
Println(...interface{})
Fatal(...interface{})
Fatalf(string, ...interface{})
Fatalln(...interface{})
Panic(...interface{})
Panicf(string, ...interface{})
Panicln(...interface{})
}
type FieldLogger interface {
WithField(key string, value interface{}) *Proxy
WithFields(fields Fields) *Proxy
WithError(err error) *Proxy
Debugf(format string, args ...interface{})
Infof(format string, args ...interface{})
Printf(format string, args ...interface{})
Warnf(format string, args ...interface{})
Warningf(format string, args ...interface{})
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
Panicf(format string, args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Print(args ...interface{})
Warn(args ...interface{})
Warning(args ...interface{})
Error(args ...interface{})
Fatal(args ...interface{})
Panic(args ...interface{})
Debugln(args ...interface{})
Infoln(args ...interface{})
Println(args ...interface{})
Warnln(args ...interface{})
Warningln(args ...interface{})
Errorln(args ...interface{})
Fatalln(args ...interface{})
Panicln(args ...interface{})
Tracef(format string, args ...interface{})
Trace(args ...interface{})
Traceln(args ...interface{})
}
// Logger is interface in proxy, originally in logrus it is a struct. Can be useful to mock
// the logging interface but can cause compile errors when pointer is in use.
type Logger interface {
WithField(key string, value interface{}) *Proxy
WithFields(fields Fields) *Proxy
WithError(err error) *Proxy
WithContext(ctx context.Context) *Proxy
Debugf(format string, args ...interface{})
Infof(format string, args ...interface{})
Printf(format string, args ...interface{})
Warnf(format string, args ...interface{})
Warningf(format string, args ...interface{})
Errorf(format string, args ...interface{})
Fatalf(format string, args ...interface{})
Panicf(format string, args ...interface{})
Debug(args ...interface{})
Info(args ...interface{})
Print(args ...interface{})
Warn(args ...interface{})
Warning(args ...interface{})
Error(args ...interface{})
Fatal(args ...interface{})
Panic(args ...interface{})
Debugln(args ...interface{})
Infoln(args ...interface{})
Println(args ...interface{})
Warnln(args ...interface{})
Warningln(args ...interface{})
Errorln(args ...interface{})
Fatalln(args ...interface{})
Panicln(args ...interface{})
Tracef(format string, args ...interface{})
Trace(args ...interface{})
Traceln(args ...interface{})
}