90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
// Copyright 2015 The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
// +build windows
|
|
|
|
package log
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"golang.org/x/sys/windows/svc/eventlog"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
)
|
|
|
|
func init() {
|
|
setEventlogFormatter = func(name string, debugAsInfo bool) error {
|
|
if name == "" {
|
|
return fmt.Errorf("missing name parameter")
|
|
}
|
|
|
|
fmter, err := newEventlogger(name, debugAsInfo, origLogger.Formatter)
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "error creating eventlog formatter: %v\n", err)
|
|
origLogger.Errorf("can't connect logger to eventlog: %v", err)
|
|
return err
|
|
}
|
|
origLogger.Formatter = fmter
|
|
return nil
|
|
}
|
|
}
|
|
|
|
type eventlogger struct {
|
|
log *eventlog.Log
|
|
debugAsInfo bool
|
|
wrap logrus.Formatter
|
|
}
|
|
|
|
func newEventlogger(name string, debugAsInfo bool, fmter logrus.Formatter) (*eventlogger, error) {
|
|
logHandle, err := eventlog.Open(name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &eventlogger{log: logHandle, debugAsInfo: debugAsInfo, wrap: fmter}, nil
|
|
}
|
|
|
|
func (s *eventlogger) Format(e *logrus.Entry) ([]byte, error) {
|
|
data, err := s.wrap.Format(e)
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "eventlogger: can't format entry: %v\n", err)
|
|
return data, err
|
|
}
|
|
|
|
switch e.Level {
|
|
case logrus.PanicLevel:
|
|
fallthrough
|
|
case logrus.FatalLevel:
|
|
fallthrough
|
|
case logrus.ErrorLevel:
|
|
err = s.log.Error(102, e.Message)
|
|
case logrus.WarnLevel:
|
|
err = s.log.Warning(101, e.Message)
|
|
case logrus.InfoLevel:
|
|
err = s.log.Info(100, e.Message)
|
|
case logrus.DebugLevel:
|
|
if s.debugAsInfo {
|
|
err = s.log.Info(100, e.Message)
|
|
}
|
|
default:
|
|
err = s.log.Info(100, e.Message)
|
|
}
|
|
|
|
if err != nil {
|
|
fmt.Fprintf(os.Stderr, "eventlogger: can't send log to eventlog: %v\n", err)
|
|
}
|
|
|
|
return data, err
|
|
}
|