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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"
"fmt"
"os"
"path/filepath"
"time"
"github.com/pingcap/tiup/pkg/localdata"
"github.com/pingcap/tiup/pkg/tui"
"github.com/pingcap/tiup/pkg/utils"
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
)
var debugBuffer *bytes.Buffer
func newDebugLogCore() zapcore.Core {
debugBuffer = new(bytes.Buffer)
encoder := zapcore.NewConsoleEncoder(zap.NewDevelopmentEncoderConfig())
return zapcore.NewCore(encoder, zapcore.Lock(zapcore.AddSync(debugBuffer)), zapcore.DebugLevel)
}
// OutputDebugLog outputs debug log in the current working directory.
func OutputDebugLog(prefix string) {
logDir := os.Getenv(localdata.EnvNameLogPath)
if logDir == "" {
profile := localdata.InitProfile()
logDir = profile.Path("logs")
}
if err := utils.MkdirAll(logDir, 0755); err != nil {
_, _ = fmt.Fprintf(os.Stderr, "\nCreate debug logs(%s) directory failed %v.\n", logDir, err)
return
}
// FIXME: Stupid go does not allow writing fraction seconds without a leading dot.
fileName := time.Now().Format(fmt.Sprintf("%s-debug-2006-01-02-15-04-05.log", prefix))
filePath := filepath.Join(logDir, fileName)
err := utils.WriteFile(filePath, debugBuffer.Bytes(), 0644)
if err != nil {
_, _ = tui.ColorWarningMsg.Fprint(os.Stderr, "\nWarn: Failed to write error debug log.\n")
} else {
_, _ = fmt.Fprintf(os.Stderr, "\nVerbose debug logs has been written to %s.\n", tui.ColorKeyword.Sprint(filePath))
}
debugBuffer.Reset()
}
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