// InitLog ...
func (logM *LogManager) InitLog() {
var svrlog = log.New(logM.LogContext, logM.LogContext)
svrlog.SetHandler(log.MultiHandler(log.StreamHandler(os.Stderr, log.LogfmtFormat()),
log.LvlFilterHandler(log.LvlError, log.Must.FileHandler(logM.LogDir+logM.ErrorFile, log.JsonFormat())),
log.LvlFilterHandler(log.LvlInfo, log.Must.FileHandler(logM.LogDir+logM.InfoFile, log.JsonFormat())),
log.LvlFilterHandler(log.LvlCrit, log.Must.FileHandler(logM.LogDir+logM.CritFile, log.JsonFormat())),
log.LvlFilterHandler(log.LvlDebug, log.Must.FileHandler(logM.LogDir+logM.DebugFile, log.JsonFormat()))))
logM.Logger = svrlog
}
func init() {
var handler log.Handler
if term.IsTty(os.Stdout.Fd()) {
handler = log.StreamHandler(os.Stdout, log.TerminalFormat())
} else {
handler = log.StreamHandler(os.Stdout, log.JsonFormat())
}
log.Root().SetHandler(handler)
ncr.Log.SetHandler(handler)
}
func BenchmarkLog15JSONPositive(b *testing.B) {
stream := &blackholeStream{}
logger := log.New()
logger.SetHandler(log.StreamHandler(stream, log.JsonFormat()))
b.ResetTimer()
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
logger.Info("The quick brown fox jumps over the lazy dog", "rate", 15, "low", 16, "high", 123.2)
}
})
if stream.WriteCount() != uint64(b.N) {
b.Fatalf("Log write count")
}
}
func (w *Logged) HandlerFor(target, level, format string) (log.Handler, error) {
lvl, err := log.LvlFromString(level)
if err != nil {
return nil, fmt.Errorf("Invalid log level: %v", err)
}
var logformat log.Format
switch format {
case "json":
logformat = log.JsonFormat()
case "logfmt":
logformat = log.LogfmtFormat()
case "terminal", "term":
switch {
case target == "stdout" && term.IsTty(os.Stdout.Fd()):
logformat = log.TerminalFormat()
case target == "stderr" && term.IsTty(os.Stderr.Fd()):
logformat = log.TerminalFormat()
default:
logformat = log.LogfmtFormat()
}
default:
return nil, fmt.Errorf("Invalid log format: %v", format)
}
var handler log.Handler
switch target {
case "stdout":
handler = log.StreamHandler(colorable.NewColorableStdout(), logformat)
case "stderr":
handler = log.StreamHandler(colorable.NewColorableStderr(), logformat)
case "false":
handler = log.DiscardHandler()
default:
handler, err = log.FileHandler(target, logformat)
if err != nil {
return nil, fmt.Errorf("Failed to open log file '%s': %v", target, err)
}
}
return log.LvlFilterHandler(lvl, handler), nil
}