144 lines
3.6 KiB
Go
144 lines
3.6 KiB
Go
package logrus
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import (
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"fmt"
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"log"
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"strings"
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)
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// Fields type, used to pass to `WithFields`.
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type Fields map[string]interface{}
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// Level type
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type Level uint32
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// Convert the Level to a string. E.g. PanicLevel becomes "panic".
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func (level Level) String() string {
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switch level {
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case DebugLevel:
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return "debug"
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case InfoLevel:
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return "info"
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case WarnLevel:
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return "warning"
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case ErrorLevel:
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return "error"
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case FatalLevel:
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return "fatal"
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case PanicLevel:
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return "panic"
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}
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return "unknown"
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}
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// ParseLevel takes a string level and returns the Logrus log level constant.
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func ParseLevel(lvl string) (Level, error) {
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switch strings.ToLower(lvl) {
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case "panic":
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return PanicLevel, nil
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case "fatal":
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return FatalLevel, nil
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case "error":
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return ErrorLevel, nil
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case "warn", "warning":
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return WarnLevel, nil
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case "info":
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return InfoLevel, nil
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case "debug":
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return DebugLevel, nil
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}
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var l Level
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return l, fmt.Errorf("not a valid logrus Level: %q", lvl)
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}
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// A constant exposing all logging levels
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var AllLevels = []Level{
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PanicLevel,
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FatalLevel,
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ErrorLevel,
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WarnLevel,
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InfoLevel,
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DebugLevel,
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}
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// These are the different logging levels. You can set the logging level to log
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// on your instance of logger, obtained with `logrus.New()`.
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const (
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// PanicLevel level, highest level of severity. Logs and then calls panic with the
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// message passed to Debug, Info, ...
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PanicLevel Level = iota
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// FatalLevel level. Logs and then calls `os.Exit(1)`. It will exit even if the
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// logging level is set to Panic.
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FatalLevel
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// ErrorLevel level. Logs. Used for errors that should definitely be noted.
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// Commonly used for hooks to send errors to an error tracking service.
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ErrorLevel
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// WarnLevel level. Non-critical entries that deserve eyes.
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WarnLevel
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// InfoLevel level. General operational entries about what's going on inside the
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// application.
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InfoLevel
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// DebugLevel level. Usually only enabled when debugging. Very verbose logging.
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DebugLevel
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)
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// Won't compile if StdLogger can't be realized by a log.Logger
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var (
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_ StdLogger = &log.Logger{}
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_ StdLogger = &Entry{}
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_ StdLogger = &Logger{}
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)
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// StdLogger is what your logrus-enabled library should take, that way
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// it'll accept a stdlib logger and a logrus logger. There's no standard
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// interface, this is the closest we get, unfortunately.
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type StdLogger interface {
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Print(...interface{})
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Printf(string, ...interface{})
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Println(...interface{})
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Fatal(...interface{})
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Fatalf(string, ...interface{})
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Fatalln(...interface{})
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Panic(...interface{})
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Panicf(string, ...interface{})
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Panicln(...interface{})
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}
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// The FieldLogger interface generalizes the Entry and Logger types
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type FieldLogger interface {
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WithField(key string, value interface{}) *Entry
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WithFields(fields Fields) *Entry
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WithError(err error) *Entry
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Debugf(format string, args ...interface{})
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Infof(format string, args ...interface{})
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Printf(format string, args ...interface{})
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Warnf(format string, args ...interface{})
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Warningf(format string, args ...interface{})
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Errorf(format string, args ...interface{})
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Fatalf(format string, args ...interface{})
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Panicf(format string, args ...interface{})
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Debug(args ...interface{})
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Info(args ...interface{})
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Print(args ...interface{})
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Warn(args ...interface{})
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Warning(args ...interface{})
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Error(args ...interface{})
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Fatal(args ...interface{})
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Panic(args ...interface{})
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Debugln(args ...interface{})
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Infoln(args ...interface{})
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Println(args ...interface{})
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Warnln(args ...interface{})
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Warningln(args ...interface{})
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Errorln(args ...interface{})
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Fatalln(args ...interface{})
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Panicln(args ...interface{})
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}
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