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audit.go
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audit.go
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// Copyright 2020 PingCAP, Inc.
//
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.
package logger
import (
"bytes"
"io/ioutil"
"os"
"strings"
"time"
utils2 "github.com/pingcap/tiup/pkg/utils"
"github.com/pingcap/tiup/pkg/base52"
"github.com/pingcap/tiup/pkg/cluster/meta"
"go.uber.org/atomic"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var auditEnabled atomic.Bool
var auditBuffer *bytes.Buffer
// EnableAuditLog enables audit log.
func EnableAuditLog() {
auditEnabled.Store(true)
}
// DisableAuditLog disables audit log.
func DisableAuditLog() {
auditEnabled.Store(false)
}
func newAuditLogCore() zapcore.Core {
auditBuffer = bytes.NewBufferString(strings.Join(os.Args, " ") + "\n")
encoder := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())
return zapcore.NewCore(encoder, zapcore.Lock(zapcore.AddSync(auditBuffer)), zapcore.InfoLevel)
}
// OutputAuditLogIfEnabled outputs audit log if enabled.
func OutputAuditLogIfEnabled() {
if !auditEnabled.Load() {
return
}
auditDir := meta.ProfilePath(meta.TiOpsAuditDir)
if err := utils2.CreateDir(auditDir); err != nil {
zap.L().Warn("Create audit directory failed", zap.Error(err))
} else {
auditFilePath := meta.ProfilePath(meta.TiOpsAuditDir, base52.Encode(time.Now().Unix()))
err := ioutil.WriteFile(auditFilePath, auditBuffer.Bytes(), os.ModePerm)
if err != nil {
zap.L().Warn("Write audit log file failed", zap.Error(err))
}
auditBuffer.Reset()
}
}