// InitLogging configures a logger according to the specified
// config params. If not called, the default logger set by the
// package init() is used.
// Concurrenty note: should only be called from the main
// goroutine.
func InitLogging(config *Config) error {
level, err := logrus.ParseLevel(config.LogLevel)
if err != nil {
return common.ContextError(err)
}
logWriter := os.Stderr
if config.LogFilename != "" {
logWriter, err = os.OpenFile(
config.LogFilename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0666)
if err != nil {
return common.ContextError(err)
}
}
log = &ContextLogger{
&logrus.Logger{
Out: logWriter,
Formatter: &CustomJSONFormatter{},
Level: level,
},
}
return nil
}
// InitLogging configures a logger according to the specified
// config params. If not called, the default logger set by the
// package init() is used.
// When configured, InitLogging also establishes a local syslog
// logger specifically for fail2ban integration.
// Concurrenty note: should only be called from the main
// goroutine.
func InitLogging(config *Config) error {
level, err := logrus.ParseLevel(config.LogLevel)
if err != nil {
return psiphon.ContextError(err)
}
hooks := make(logrus.LevelHooks)
var syslogHook *logrus_syslog.SyslogHook
if config.SyslogFacility != "" {
syslogHook, err = logrus_syslog.NewSyslogHook(
"", "", getSyslogPriority(config), config.SyslogTag)
if err != nil {
return psiphon.ContextError(err)
}
hooks.Add(syslogHook)
}
log = &ContextLogger{
&logrus.Logger{
Out: os.Stderr,
Formatter: new(logrus.TextFormatter),
Hooks: hooks,
Level: level,
},
}
if config.Fail2BanFormat != "" {
fail2BanFormat = config.Fail2BanFormat
fail2BanWriter, err = syslog.Dial(
"", "", syslog.LOG_AUTH|syslog.LOG_INFO, config.SyslogTag)
if err != nil {
return psiphon.ContextError(err)
}
}
return nil
}