/
logrus_logger.go
64 lines (53 loc) · 1.31 KB
/
logrus_logger.go
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// Package logging provides a logrus adapter to the go-kit log.Logger interface.
package logging
import (
"errors"
"fmt"
"github.com/go-kit/kit/log"
"github.com/go-kit/kit/log/level"
"github.com/sirupsen/logrus"
)
// Logger is a go-kit logger interface to logrus
type Logger struct {
field logrus.FieldLogger
}
var errMissingValue = errors.New("(MISSING)")
// NewLogger returns a Go kit log.Logger that sends log events to a logrus.Logger.
func NewLogger(logger logrus.FieldLogger) log.Logger {
l := &Logger{
field: logger,
}
return l
}
// Log will log the pairs of `keyvals`
func (l Logger) Log(keyvals ...interface{}) error {
fields := logrus.Fields{}
var lvl level.Value
for i := 0; i < len(keyvals); i += 2 {
if i+1 < len(keyvals) {
if keyvals[i] == level.Key() {
tmpLevel, ok := keyvals[i+1].(level.Value)
if ok {
lvl = tmpLevel
}
} else {
fields[fmt.Sprint(keyvals[i])] = keyvals[i+1]
}
} else {
fields[fmt.Sprint(keyvals[i])] = errMissingValue
}
}
switch lvl {
case level.InfoValue():
l.field.WithFields(fields).Info()
case level.ErrorValue():
l.field.WithFields(fields).Error()
case level.DebugValue():
l.field.WithFields(fields).Debug()
case level.WarnValue():
l.field.WithFields(fields).Warn()
default:
l.field.WithFields(fields).Print()
}
return nil
}