func init() {
formatter := log.TextFormatter{}
formatter.DisableTimestamp = false
formatter.DisableColors = true
log.SetFormatter(&formatter)
//log.SetLevel(log.InfoLevel)
}
// LogInit is a utility function to initialize logging
func LogInit(filename string) {
f, err := os.OpenFile(filename, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
if err != nil {
log.Fatal("Unable to open Log file ", err)
}
Logger.Out = f
customFormatter := new(logrus.TextFormatter)
customFormatter.TimestampFormat = "2016-03-28 15:04:05"
Logger.Formatter = customFormatter
customFormatter.FullTimestamp = true
customFormatter.DisableColors = true
}
// Build an adequate instance of the structured logger for this
// application instance. The journal builder may draw data from the
// app instance to configure the journal correctly. This method only
// instantiates a very basic journal; anything more complicated than
// that should be implementing using a boot.Provider to do it.
func (app *App) makeJournal(level logrus.Level) *logrus.Logger {
const m = "begin writing application journal"
var journal *logrus.Logger = &logrus.Logger{}
formatter := new(logrus.TextFormatter) // std
journal.Level = level // use requested level
journal.Out = os.Stdout // all goes to stdout
journal.Hooks = make(logrus.LevelHooks) // empty
journal.Formatter = formatter // set formatter
formatter.ForceColors = false // act smart
formatter.DisableColors = false // make pretty
formatter.DisableTimestamp = false // is useful
formatter.FullTimestamp = false // numbers
formatter.TimestampFormat = time.StampMilli
formatter.DisableSorting = false // order!
moment := time.Now().Format(app.TimeLayout)
journal.WithField("time", moment).Info(m)
return journal // is ready to use
}
// makeLogger configures the package level Logger instance
func makeLogger(conf *BaseConfiguration) {
levelName, err := logrus.ParseLevel(conf.LogLevel)
if err != nil {
defer Logger.Warnf("%s is not a valid level. Defaulting to info.", conf.LogLevel)
levelName = logrus.InfoLevel
}
logOut, err := os.OpenFile(conf.LogFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
if err != nil {
defer Logger.Warnf("%s. Defaulting to Stderr.", err)
logOut = os.Stderr
}
formatter := new(logrus.TextFormatter)
formatter.DisableColors = true
Logger = logrus.Logger{
Out: logOut,
Formatter: formatter,
Level: levelName,
}
Logger.Infof("Initialized at level %s", Logger.Level)
}
