// setupLogging redirects logging to rolled log files.
//
// NOTE: do not use this in the bootstrap agent, or
// if you do, change the bootstrap error reporting.
func setupAgentLogging(conf agent.Config) error {
filename := filepath.Join(conf.LogDir(), conf.Tag().String()+".log")
log := &lumberjack.Logger{
Filename: filename,
MaxSize: 300, // megabytes
MaxBackups: 2,
}
writer := loggo.NewSimpleWriter(log, &loggo.DefaultFormatter{})
_, err := loggo.ReplaceDefaultWriter(writer)
return err
}