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If the log file can't be opened, what should it do? panic/exit? ignore logs? fallback to stderr? It seems that "fallback to stderr" is slightly better than others ....
53 lines
1.4 KiB
Go
53 lines
1.4 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package log
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import (
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"io"
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"code.gitea.io/gitea/modules/util/rotatingfilewriter"
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)
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type WriterFileOption struct {
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FileName string
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MaxSize int64
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LogRotate bool
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DailyRotate bool
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MaxDays int
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Compress bool
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CompressionLevel int
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}
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type eventWriterFile struct {
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*EventWriterBaseImpl
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fileWriter io.WriteCloser
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}
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var _ EventWriter = (*eventWriterFile)(nil)
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func NewEventWriterFile(name string, mode WriterMode) EventWriter {
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w := &eventWriterFile{EventWriterBaseImpl: NewEventWriterBase(name, "file", mode)}
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opt := mode.WriterOption.(WriterFileOption)
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var err error
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w.fileWriter, err = rotatingfilewriter.Open(opt.FileName, &rotatingfilewriter.Options{
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Rotate: opt.LogRotate,
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MaximumSize: opt.MaxSize,
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RotateDaily: opt.DailyRotate,
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KeepDays: opt.MaxDays,
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Compress: opt.Compress,
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CompressionLevel: opt.CompressionLevel,
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})
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if err != nil {
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// if the log file can't be opened, what should it do? panic/exit? ignore logs? fallback to stderr?
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// it seems that "fallback to stderr" is slightly better than others ....
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FallbackErrorf("unable to open log file %q: %v", opt.FileName, err)
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w.fileWriter = nopCloser{Writer: LoggerToWriter(FallbackErrorf)}
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}
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w.OutputWriteCloser = w.fileWriter
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return w
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}
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func init() {
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RegisterEventWriter("file", NewEventWriterFile)
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}
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