Ejemplo n.º 1
0
// New returns a new instance of the syslog logger
// example: syslog.New("udp", "localhost:514", syslog.LOG_DEBUG, "", nil)
// NOTE: tlsConfig param is optional and only applies when networks in "tcp+tls"
// see TestSyslogTLS func tion int syslog_test.go for an example usage of tlsConfig parameter
func New(network string, raddr string, tag string, tlsConfig *tls.Config) (*Syslog, error) {

	var err error

	s := &Syslog{
		buffer:          3,
		numWorkers:      3,
		colors:          defaultColors,
		displayColor:    false,
		timestampFormat: log.DefaultTimeFormat,
		fileDisplay:     log.Lshortfile,
		formatFunc:      defaultFormatFunc,
	}

	// if non-TLS
	if tlsConfig == nil {
		s.writer, err = syslog.Dial(network, raddr, syslog.LOG_INFO, tag)
	} else {
		s.writer, err = syslog.DialWithTLSConfig(network, raddr, syslog.LOG_INFO, tag, tlsConfig)
	}

	if err != nil {
		return nil, err
	}

	return s, nil
}
Ejemplo n.º 2
0
// New creates a syslog logger using the configuration passed in on
// the context. Supported context configuration variables are
// syslog-address, syslog-facility, syslog-format,  syslog-tag.
func New(ctx logger.Context) (logger.Logger, error) {
	tag, err := loggerutils.ParseLogTag(ctx, "{{.ID}}")
	if err != nil {
		return nil, err
	}

	proto, address, err := parseAddress(ctx.Config["syslog-address"])
	if err != nil {
		return nil, err
	}

	facility, err := parseFacility(ctx.Config["syslog-facility"])
	if err != nil {
		return nil, err
	}

	syslogFormatter, syslogFramer, err := parseLogFormat(ctx.Config["syslog-format"])
	if err != nil {
		return nil, err
	}

	logTag := path.Base(os.Args[0]) + "/" + tag

	var log *syslog.Writer
	if proto == secureProto {
		tlsConfig, tlsErr := parseTLSConfig(ctx.Config)
		if tlsErr != nil {
			return nil, tlsErr
		}
		log, err = syslog.DialWithTLSConfig(proto, address, facility, logTag, tlsConfig)
	} else {
		log, err = syslog.Dial(proto, address, facility, logTag)
	}

	if err != nil {
		return nil, err
	}

	log.SetFormatter(syslogFormatter)
	log.SetFramer(syslogFramer)

	return &syslogger{
		writer: log,
	}, nil
}
Ejemplo n.º 3
0
// New creates a syslog logger using the configuration passed in on
// the context. Supported context configuration variables are
// syslog-address, syslog-facility, syslog-format.
func New(info logger.Info) (logger.Logger, error) {
	tag, err := loggerutils.ParseLogTag(info, loggerutils.DefaultTemplate)
	if err != nil {
		return nil, err
	}

	proto, address, err := parseAddress(info.Config["syslog-address"])
	if err != nil {
		return nil, err
	}

	facility, err := parseFacility(info.Config["syslog-facility"])
	if err != nil {
		return nil, err
	}

	syslogFormatter, syslogFramer, err := parseLogFormat(info.Config["syslog-format"], proto)
	if err != nil {
		return nil, err
	}

	var log *syslog.Writer
	if proto == secureProto {
		tlsConfig, tlsErr := parseTLSConfig(info.Config)
		if tlsErr != nil {
			return nil, tlsErr
		}
		log, err = syslog.DialWithTLSConfig(proto, address, facility, tag, tlsConfig)
	} else {
		log, err = syslog.Dial(proto, address, facility, tag)
	}

	if err != nil {
		return nil, err
	}

	log.SetFormatter(syslogFormatter)
	log.SetFramer(syslogFramer)

	return &syslogger{
		writer: log,
	}, nil
}
// Initialize() expects a connection string in the following format:
// (protocol):(hostname/IP):(port)
// for example: tcp+tls:destination.server.example.com:512
func (o *SyslogOutput) Initialize(netConn string) error {
	o.Lock()
	defer o.Unlock()

	if o.connected {
		o.outputSocket.Close()
	}

	connSpecification := strings.SplitN(netConn, ":", 2)

	o.protocol = connSpecification[0]
	o.hostnamePort = connSpecification[1]

	var err error
	o.outputSocket, err = syslog.DialWithTLSConfig(o.protocol, o.hostnamePort, syslog.LOG_INFO, o.tag, config.TLSConfig)

	if err != nil {
		return errors.New(fmt.Sprintf("Error connecting to '%s': %s", netConn, err))
	}

	o.markConnected()

	return nil
}