diff --git a/conf/defaults.ini b/conf/defaults.ini index 8b2b34f3fbc..01402103b07 100644 --- a/conf/defaults.ini +++ b/conf/defaults.ini @@ -245,6 +245,18 @@ daily_rotate = true # Expired days of log file(delete after max days), default is 7 max_days = 7 +[log.syslog] +level = +# Syslog network type and address. This can be udp, tcp, or unix. If left blank, the default unix endpoints will be used. +network = +address = + +# Syslog facility. user, daemon and local0 through local7 are valid. +facility = + +# Syslog tag. By default, the process' argv[0] is used. +tag = + #################################### AMPQ Event Publisher ########################## [event_publisher] enabled = false diff --git a/pkg/log/syslog.go b/pkg/log/syslog.go new file mode 100644 index 00000000000..4fe9d6a7522 --- /dev/null +++ b/pkg/log/syslog.go @@ -0,0 +1,93 @@ +package log + +import ( + "encoding/json" + "errors" + "log/syslog" +) + +type SyslogWriter struct { + syslog *syslog.Writer + Network string `json:"network"` + Address string `json:"address"` + Facility string `json:"facility"` + Tag string `json:"tag"` +} + +func NewSyslog() LoggerInterface { + return new(SyslogWriter) +} + +func (sw *SyslogWriter) Init(config string) error { + if err := json.Unmarshal([]byte(config), sw); err != nil { + return err + } + + prio, err := parseFacility(sw.Facility) + if err != nil { + return err + } + + w, err := syslog.Dial(sw.Network, sw.Address, prio, sw.Tag) + if err != nil { + return err + } + + sw.syslog = w + return nil +} + +func (sw *SyslogWriter) WriteMsg(msg string, skip, level int) error { + var err error + + switch level { + case TRACE, DEBUG: + err = sw.syslog.Debug(msg) + case INFO: + err = sw.syslog.Info(msg) + case WARN: + err = sw.syslog.Warning(msg) + case ERROR: + err = sw.syslog.Err(msg) + case CRITICAL: + err = sw.syslog.Crit(msg) + case FATAL: + err = sw.syslog.Alert(msg) + default: + err = errors.New("invalid syslog level") + } + + return err +} + +func (sw *SyslogWriter) Destroy() { + sw.syslog.Close() +} + +func (sw *SyslogWriter) Flush() {} + +var facilities = map[string]syslog.Priority{ + "user": syslog.LOG_USER, + "daemon": syslog.LOG_DAEMON, + "local0": syslog.LOG_LOCAL0, + "local1": syslog.LOG_LOCAL1, + "local2": syslog.LOG_LOCAL2, + "local3": syslog.LOG_LOCAL3, + "local4": syslog.LOG_LOCAL4, + "local5": syslog.LOG_LOCAL5, + "local6": syslog.LOG_LOCAL6, + "local7": syslog.LOG_LOCAL7, +} + +func parseFacility(facility string) (syslog.Priority, error) { + prio, ok := facilities[facility] + if !ok { + return syslog.LOG_LOCAL0, errors.New("invalid syslog facility") + } + + return prio, nil +} + +func init() { + Register("syslog", NewSyslog) +} diff --git a/pkg/setting/setting.go b/pkg/setting/setting.go index 34ed216a4a6..ac465e294ea 100644 --- a/pkg/setting/setting.go +++ b/pkg/setting/setting.go @@ -573,6 +573,14 @@ func initLogging(args *CommandLineArgs) { "driver": sec.Key("driver").String(), "conn": sec.Key("conn").String(), } + case "syslog": + LogConfigs[i] = util.DynMap{ + "level": level, + "network": sec.Key("network").MustString(""), + "address": sec.Key("address").MustString(""), + "facility": sec.Key("facility").MustString("local7"), + "tag": sec.Key("tag").MustString(""), + } } cfgJsonBytes, _ := json.Marshal(LogConfigs[i])