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Use stderr as fallback if the log file can't be opened (#26074)

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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 ....
This commit is contained in:
wxiaoguang 2023-07-24 12:57:21 +08:00 committed by GitHub
parent 4b6764bbb3
commit 674df05b16
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1 changed files with 6 additions and 1 deletions
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7
modules/log/event_writer_file.go
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@ -4,6 +4,8 @@
package log package log
import ( import (
"io"
"code.gitea.io/gitea/modules/util/rotatingfilewriter" "code.gitea.io/gitea/modules/util/rotatingfilewriter"
) )
@ -19,7 +21,7 @@ type WriterFileOption struct {
type eventWriterFile struct { type eventWriterFile struct {
*EventWriterBaseImpl *EventWriterBaseImpl
fileWriter *rotatingfilewriter.RotatingFileWriter fileWriter io.WriteCloser
} }
var _ EventWriter = (*eventWriterFile)(nil) var _ EventWriter = (*eventWriterFile)(nil)
@ -37,7 +39,10 @@ func NewEventWriterFile(name string, mode WriterMode) EventWriter {
CompressionLevel: opt.CompressionLevel, CompressionLevel: opt.CompressionLevel,
}) })
if err != nil { if err != nil {
// 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 ....
FallbackErrorf("unable to open log file %q: %v", opt.FileName, err) FallbackErrorf("unable to open log file %q: %v", opt.FileName, err)
w.fileWriter = nopCloser{Writer: LoggerToWriter(FallbackErrorf)}
} }
w.OutputWriteCloser = w.fileWriter w.OutputWriteCloser = w.fileWriter
return w return w