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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"
"github.com/pingcap/tiup/pkg/cluster/audit"
"github.com/pingcap/tiup/pkg/utils"
"go.uber.org/atomic"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var auditEnabled atomic.Bool
var auditBuffer *bytes.Buffer
var auditDir string
// EnableAuditLog enables audit log.
func EnableAuditLog(dir string) {
auditDir = dir
auditEnabled.Store(true)
}
// DisableAuditLog disables audit log.
func DisableAuditLog() {
auditEnabled.Store(false)
}
func newAuditLogCore() zapcore.Core {
auditBuffer = bytes.NewBuffer([]byte{})
encoder := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())
return zapcore.NewCore(encoder, zapcore.Lock(zapcore.AddSync(auditBuffer)), zapcore.DebugLevel)
}
// OutputAuditLogToFileIfEnabled outputs audit log to specified fileSuffix if enabled.
func OutputAuditLogToFileIfEnabled(dir, fileSuffix string) error {
if !auditEnabled.Load() {
return nil
}
if err := utils.MkdirAll(dir, 0755); err != nil {
return err
}
err := audit.OutputAuditLog(dir, fileSuffix, auditBuffer.Bytes())
if err != nil {
return err
}
if dir == auditDir {
auditBuffer.Reset()
}
return nil
}
// OutputAuditLogIfEnabled outputs audit log if enabled.
func OutputAuditLogIfEnabled() error {
return OutputAuditLogToFileIfEnabled(auditDir, "")
}
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