/
logs.go
61 lines (53 loc) · 1.64 KB
/
logs.go
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// Copyright 2020 Antrea 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.
package openflow
import (
"bytes"
"fmt"
"os"
"strconv"
"strings"
"github.com/sirupsen/logrus"
)
type klogFormatter struct{}
// Format formats logrus log in compliance with k8s log.
func (f *klogFormatter) Format(entry *logrus.Entry) ([]byte, error) {
b := &bytes.Buffer{}
filePath := entry.Caller.File
filePathArray := strings.Split(filePath, "/")
fileName := filePathArray[len(filePathArray)-1]
pidString := strconv.Itoa(os.Getpid())
// logrus has seven logging levels: Trace, Debug, Info, Warning, Error, Fatal and Panic.
b.WriteString(strings.ToUpper(entry.Level.String()[:1]))
b.WriteString(entry.Time.Format("0102 15:04:05.000000"))
b.WriteString(" ")
for i := 0; i < (7 - len(pidString)); i++ {
b.WriteString(" ")
}
b.WriteString(pidString)
b.WriteString(" ")
b.WriteString(fileName)
b.WriteString(":")
fmt.Fprint(b, entry.Caller.Line)
b.WriteString("] ")
if entry.Message != "" {
b.WriteString(entry.Message)
}
b.WriteByte('\n')
return b.Bytes(), nil
}
func init() {
logrus.SetReportCaller(true)
logrus.SetFormatter(&klogFormatter{})
}