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logger/slog: fix race condition #316

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vtolstov merged 1 commits from slogfix into v3 2024-03-07 07:45:09 +03:00
Conversation 0 Commits 1 Files Changed 1 +28 -27
1 changed files with 28 additions and 27 deletions
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55
logger/slog/slog.go
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@ -63,6 +63,7 @@ func (s *slogLogger) renameAttr(_ []string, a slog.Attr) slog.Attr {
type slogLogger struct { type slogLogger struct {
slog *slog.Logger slog *slog.Logger
leveler *slog.LevelVar leveler *slog.LevelVar
handler slog.Handler
opts logger.Options opts logger.Options
mu sync.RWMutex mu sync.RWMutex
} }
@ -70,6 +71,7 @@ type slogLogger struct {
func (s *slogLogger) Clone(opts ...logger.Option) logger.Logger { func (s *slogLogger) Clone(opts ...logger.Option) logger.Logger {
s.mu.RLock() s.mu.RLock()
options := s.opts options := s.opts
s.mu.RUnlock()
for _, o := range opts { for _, o := range opts {
o(&options) o(&options)
@ -86,10 +88,8 @@ func (s *slogLogger) Clone(opts ...logger.Option) logger.Logger {
AddSource: l.opts.AddSource, AddSource: l.opts.AddSource,
} }
l.leveler.Set(loggerToSlogLevel(l.opts.Level)) l.leveler.Set(loggerToSlogLevel(l.opts.Level))
handler := slog.NewJSONHandler(options.Out, handleOpt) l.slog = slog.New(slog.NewJSONHandler(options.Out, handleOpt)).With(options.Fields...)
l.slog = slog.New(handler).With(options.Fields...) l.handler = l.slog.Handler()
s.mu.RUnlock()
return l return l
} }
@ -108,9 +108,13 @@ func (s *slogLogger) Options() logger.Options {
func (s *slogLogger) Fields(attrs ...interface{}) logger.Logger { func (s *slogLogger) Fields(attrs ...interface{}) logger.Logger {
s.mu.RLock() s.mu.RLock()
l := &slogLogger{opts: s.opts} level := s.leveler.Level()
options := s.opts
s.mu.RUnlock()
l := &slogLogger{opts: options}
l.leveler = new(slog.LevelVar) l.leveler = new(slog.LevelVar)
l.leveler.Set(s.leveler.Level()) l.leveler.Set(level)
handleOpt := &slog.HandlerOptions{ handleOpt := &slog.HandlerOptions{
ReplaceAttr: l.renameAttr, ReplaceAttr: l.renameAttr,
@ -118,10 +122,8 @@ func (s *slogLogger) Fields(attrs ...interface{}) logger.Logger {
AddSource: l.opts.AddSource, AddSource: l.opts.AddSource,
} }
handler := slog.NewJSONHandler(s.opts.Out, handleOpt) l.slog = slog.New(slog.NewJSONHandler(l.opts.Out, handleOpt)).With(attrs...)
l.slog = slog.New(handler).With(attrs...) l.handler = l.slog.Handler()
s.mu.RUnlock()
return l return l
} }
@ -144,9 +146,8 @@ func (s *slogLogger) Init(opts ...logger.Option) error {
AddSource: s.opts.AddSource, AddSource: s.opts.AddSource,
} }
s.leveler.Set(loggerToSlogLevel(s.opts.Level)) s.leveler.Set(loggerToSlogLevel(s.opts.Level))
handler := slog.NewJSONHandler(s.opts.Out, handleOpt) s.slog = slog.New(slog.NewJSONHandler(s.opts.Out, handleOpt)).With(s.opts.Fields...)
s.slog = slog.New(handler).With(s.opts.Fields...) s.handler = s.slog.Handler()
s.mu.Unlock() s.mu.Unlock()
return nil return nil
@ -188,7 +189,7 @@ func (s *slogLogger) Log(ctx context.Context, lvl logger.Level, attrs ...interfa
} }
return true return true
}) })
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Logf(ctx context.Context, lvl logger.Level, msg string, attrs ...interface{}) { func (s *slogLogger) Logf(ctx context.Context, lvl logger.Level, msg string, attrs ...interface{}) {
@ -227,7 +228,7 @@ func (s *slogLogger) Logf(ctx context.Context, lvl logger.Level, msg string, att
} }
return true return true
}) })
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Info(ctx context.Context, attrs ...interface{}) { func (s *slogLogger) Info(ctx context.Context, attrs ...interface{}) {
@ -248,7 +249,7 @@ func (s *slogLogger) Info(ctx context.Context, attrs ...interface{}) {
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Infof(ctx context.Context, msg string, attrs ...interface{}) { func (s *slogLogger) Infof(ctx context.Context, msg string, attrs ...interface{}) {
@ -269,7 +270,7 @@ func (s *slogLogger) Infof(ctx context.Context, msg string, attrs ...interface{}
} }
} }
r.Add(attrs...) r.Add(attrs...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Debug(ctx context.Context, attrs ...interface{}) { func (s *slogLogger) Debug(ctx context.Context, attrs ...interface{}) {
@ -290,7 +291,7 @@ func (s *slogLogger) Debug(ctx context.Context, attrs ...interface{}) {
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Debugf(ctx context.Context, msg string, attrs ...interface{}) { func (s *slogLogger) Debugf(ctx context.Context, msg string, attrs ...interface{}) {
@ -311,7 +312,7 @@ func (s *slogLogger) Debugf(ctx context.Context, msg string, attrs ...interface{
} }
} }
r.Add(attrs...) r.Add(attrs...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Trace(ctx context.Context, attrs ...interface{}) { func (s *slogLogger) Trace(ctx context.Context, attrs ...interface{}) {
@ -332,7 +333,7 @@ func (s *slogLogger) Trace(ctx context.Context, attrs ...interface{}) {
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Tracef(ctx context.Context, msg string, attrs ...interface{}) { func (s *slogLogger) Tracef(ctx context.Context, msg string, attrs ...interface{}) {
@ -353,7 +354,7 @@ func (s *slogLogger) Tracef(ctx context.Context, msg string, attrs ...interface{
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Error(ctx context.Context, attrs ...interface{}) { func (s *slogLogger) Error(ctx context.Context, attrs ...interface{}) {
@ -392,7 +393,7 @@ func (s *slogLogger) Error(ctx context.Context, attrs ...interface{}) {
} }
return true return true
}) })
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Errorf(ctx context.Context, msg string, attrs ...interface{}) { func (s *slogLogger) Errorf(ctx context.Context, msg string, attrs ...interface{}) {
@ -431,7 +432,7 @@ func (s *slogLogger) Errorf(ctx context.Context, msg string, attrs ...interface{
} }
return true return true
}) })
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Fatal(ctx context.Context, attrs ...interface{}) { func (s *slogLogger) Fatal(ctx context.Context, attrs ...interface{}) {
@ -452,7 +453,7 @@ func (s *slogLogger) Fatal(ctx context.Context, attrs ...interface{}) {
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
os.Exit(1) os.Exit(1)
} }
@ -474,7 +475,7 @@ func (s *slogLogger) Fatalf(ctx context.Context, msg string, attrs ...interface{
} }
} }
r.Add(attrs...) r.Add(attrs...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
os.Exit(1) os.Exit(1)
} }
@ -496,7 +497,7 @@ func (s *slogLogger) Warn(ctx context.Context, attrs ...interface{}) {
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Warnf(ctx context.Context, msg string, attrs ...interface{}) { func (s *slogLogger) Warnf(ctx context.Context, msg string, attrs ...interface{}) {
@ -517,7 +518,7 @@ func (s *slogLogger) Warnf(ctx context.Context, msg string, attrs ...interface{}
} }
} }
r.Add(attrs[1:]...) r.Add(attrs[1:]...)
_ = s.slog.Handler().Handle(ctx, r) _ = s.handler.Handle(ctx, r)
} }
func (s *slogLogger) Name() string { func (s *slogLogger) Name() string {