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https://github.com/kopia/kopia.git
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70e24106ee
- removed a bunch of hacks and should improve the logging performance by avoiding interfaces and data translation. This will allow using of de-sugared loggers in performance-critical logging situations. - this will also allow using features of ZAP more directly without having to reimplement them. - moved logging.Printf() to testlogging - refactored `uitask` to store logs in a structural format and present them as JSON only in the UI - renamed printf_logger.go to printf.go so that fewer columns are used in the logs
67 lines
1.8 KiB
Go
67 lines
1.8 KiB
Go
package testlogging
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import (
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"bytes"
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"go.uber.org/zap"
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"go.uber.org/zap/zapcore"
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"github.com/kopia/kopia/repo/logging"
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)
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// Printf returns a logger that uses given printf-style function to print log output.
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func Printf(printf func(msg string, args ...interface{}), prefix string) *zap.SugaredLogger {
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return PrintfLevel(printf, prefix, zapcore.DebugLevel)
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}
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// PrintfLevel returns a logger that uses given printf-style function to print log output for logs of a given level or above.
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func PrintfLevel(printf func(msg string, args ...interface{}), prefix string, level zapcore.Level) *zap.SugaredLogger {
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writer := printfWriter{printf, prefix}
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return zap.New(
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zapcore.NewCore(
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zapcore.NewConsoleEncoder(zapcore.EncoderConfig{
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// Keys can be anything except the empty string.
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TimeKey: zapcore.OmitKey,
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LevelKey: zapcore.OmitKey,
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NameKey: zapcore.OmitKey,
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CallerKey: zapcore.OmitKey,
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FunctionKey: zapcore.OmitKey,
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MessageKey: "M",
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StacktraceKey: "S",
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LineEnding: zapcore.DefaultLineEnding,
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EncodeLevel: zapcore.CapitalLevelEncoder,
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EncodeTime: zapcore.ISO8601TimeEncoder,
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EncodeDuration: zapcore.StringDurationEncoder,
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EncodeCaller: zapcore.ShortCallerEncoder,
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}),
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writer,
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level,
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),
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).Sugar()
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}
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// PrintfFactory returns LoggerForModuleFunc that uses given printf-style function to print log output.
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func PrintfFactory(printf func(msg string, args ...interface{})) logging.LoggerFactory {
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return func(module string) *zap.SugaredLogger {
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return Printf(printf, "["+module+"] ")
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}
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}
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type printfWriter struct {
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printf func(msg string, args ...interface{})
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prefix string
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}
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func (w printfWriter) Write(p []byte) (int, error) {
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n := len(p)
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w.printf("%s%s", w.prefix, bytes.TrimRight(p, "\n"))
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return n, nil
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}
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func (w printfWriter) Sync() error {
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return nil
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}
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