traefik/pkg/log/deprecated.go

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package log
import (
"bufio"
"io"
"runtime"
"github.com/sirupsen/logrus"
)
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// Debug logs a message at level Debug on the standard logger.
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// Deprecated: use log.FromContext(ctx).Debug(...) instead.
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func Debug(args ...interface{}) {
mainLogger.Debug(args...)
}
// Debugf logs a message at level Debug on the standard logger.
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// Deprecated: use log.FromContext(ctx).Debugf(...) instead.
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func Debugf(format string, args ...interface{}) {
mainLogger.Debugf(format, args...)
}
// Info logs a message at level Info on the standard logger.
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// Deprecated: use log.FromContext(ctx).Info(...) instead.
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func Info(args ...interface{}) {
mainLogger.Info(args...)
}
// Infof logs a message at level Info on the standard logger.
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// Deprecated: use log.FromContext(ctx).Infof(...) instead.
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func Infof(format string, args ...interface{}) {
mainLogger.Infof(format, args...)
}
// Warn logs a message at level Warn on the standard logger.
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// Deprecated: use log.FromContext(ctx).Warn(...) instead.
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func Warn(args ...interface{}) {
mainLogger.Warn(args...)
}
// Warnf logs a message at level Warn on the standard logger.
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// Deprecated: use log.FromContext(ctx).Warnf(...) instead.
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func Warnf(format string, args ...interface{}) {
mainLogger.Warnf(format, args...)
}
// Error logs a message at level Error on the standard logger.
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// Deprecated: use log.FromContext(ctx).Error(...) instead.
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func Error(args ...interface{}) {
mainLogger.Error(args...)
}
// Errorf logs a message at level Error on the standard logger.
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// Deprecated: use log.FromContext(ctx).Errorf(...) instead.
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func Errorf(format string, args ...interface{}) {
mainLogger.Errorf(format, args...)
}
// Panic logs a message at level Panic on the standard logger.
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// Deprecated: use log.FromContext(ctx).Panic(...) instead.
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func Panic(args ...interface{}) {
mainLogger.Panic(args...)
}
// Fatal logs a message at level Fatal on the standard logger.
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// Deprecated: use log.FromContext(ctx).Fatal(...) instead.
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func Fatal(args ...interface{}) {
mainLogger.Fatal(args...)
}
// Fatalf logs a message at level Fatal on the standard logger.
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// Deprecated: use log.FromContext(ctx).Fatalf(...) instead.
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func Fatalf(format string, args ...interface{}) {
mainLogger.Fatalf(format, args...)
}
// AddHook adds a hook to the standard logger hooks.
func AddHook(hook logrus.Hook) {
logrus.AddHook(hook)
}
// CustomWriterLevel logs writer for a specific level. (with a custom scanner buffer size.)
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// adapted from github.com/Sirupsen/logrus/writer.go.
func CustomWriterLevel(level logrus.Level, maxScanTokenSize int) *io.PipeWriter {
reader, writer := io.Pipe()
var printFunc func(args ...interface{})
switch level {
case logrus.DebugLevel:
printFunc = Debug
case logrus.InfoLevel:
printFunc = Info
case logrus.WarnLevel:
printFunc = Warn
case logrus.ErrorLevel:
printFunc = Error
case logrus.FatalLevel:
printFunc = Fatal
case logrus.PanicLevel:
printFunc = Panic
default:
printFunc = mainLogger.Print
}
go writerScanner(reader, maxScanTokenSize, printFunc)
runtime.SetFinalizer(writer, writerFinalizer)
return writer
}
// extract from github.com/Sirupsen/logrus/writer.go
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// Hack the buffer size.
func writerScanner(reader io.ReadCloser, scanTokenSize int, printFunc func(args ...interface{})) {
scanner := bufio.NewScanner(reader)
if scanTokenSize > bufio.MaxScanTokenSize {
buf := make([]byte, bufio.MaxScanTokenSize)
scanner.Buffer(buf, scanTokenSize)
}
for scanner.Scan() {
printFunc(scanner.Text())
}
if err := scanner.Err(); err != nil {
Errorf("Error while reading from Writer: %s", err)
}
reader.Close()
}
func writerFinalizer(writer *io.PipeWriter) {
writer.Close()
}