// SetLogLevel changes the log level of a specific subsystem
// name=="*" changes all subsystems
func SetLogLevel(name, level string) error {
lvl, err := logging.LogLevel(level)
if err != nil {
return err
}
// wildcard, change all
if name == "*" {
SetAllLoggers(lvl)
return nil
}
// Check if we have a logger by that name
if _, ok := loggers[name]; !ok {
return ErrNoSuchLogger
}
logging.SetLevel(lvl, name)
return nil
}
logging.SetFormatter(&PoliteJSONFormatter{})
}
// TextFormatter Option formats the event log as human-readable plain-text
var TextFormatter = func() {
logging.SetFormatter(logging.DefaultFormatter)
}
func Output(w io.Writer) Option {
return func() {
backend := logging.NewLogBackend(w, "", 0)
logging.SetBackend(backend)
// TODO return previous Output option
}
}
// LevelDebug Option sets the log level to debug
var LevelDebug = func() {
logging.SetLevel(logging.DEBUG, "")
}
// LevelError Option sets the log level to error
var LevelError = func() {
logging.SetLevel(logging.ERROR, "")
}
// LevelInfo Option sets the log level to info
var LevelInfo = func() {
logging.SetLevel(logging.INFO, "")
}
// SetAllLoggers changes the logging.Level of all loggers to lvl
func SetAllLoggers(lvl logging.Level) {
logging.SetLevel(lvl, "")
for n := range loggers {
logging.SetLevel(lvl, n)
}
}