// publishError publishes an event when a handler returns an error
func publishError(req *Request, e errors.Error) {
	if !PublishErrors {
		return
	}

	stacktrace := ""
	if e.MultiStack() != nil {
		stacktrace = e.MultiStack().String()
	}

	application := ""
	if req.Auth().IsAuth() && req.Auth().AuthUser() != nil {
		application = req.Auth().AuthUser().Application()
	}
	userId := ""
	if req.Auth().IsAuth() && req.Auth().AuthUser() != nil {
		userId = req.Auth().AuthUser().Id
	}

	msg := map[string]interface{}{
		"created":     time.Now(),
		"service":     Name,
		"version":     Version,
		"azName":      az,
		"hostname":    hostname,
		"instanceId":  InstanceID,
		"error":       e.Error(),
		"type":        e.Type(),
		"code":        e.Code(),
		"description": e.Description(),
		"httpCode":    e.HttpCode(),
		"context":     e.Context(),
		"userId":      userId,
		"application": application,
		"traceId":     req.TraceID(),
		"stacktrace":  stacktrace,
	}

	payload, err := json.Marshal(msg)
	if err != nil {
		log.Errorf("[Server] Failed to JSON encode error event: %v", err)
	}
	if err = nsq.Publish(errorTopic, payload); err != nil {
		log.Errorf("[Server] Failed to publish error event: %v", err)
	}
}
// traceRsp decides if we want to trigger a trace event (when processing response) and if so deals with it
func (c *client) traceRsp(req *Request, rsp *Response, err errors.Error, d time.Duration) {
	if req.shouldTrace() {
		e := &traceproto.Event{
			Timestamp:       proto.Int64(time.Now().UnixNano()),
			TraceId:         proto.String(req.TraceID()),
			Type:            traceproto.Event_REP.Enum(),
			MessageId:       proto.String(req.MessageID()),
			From:            proto.String(req.From()),
			FromEndpoint:    proto.String(req.FromEndpoint()),
			To:              proto.String(fmt.Sprintf("%v.%v", req.Service(), req.Endpoint())),
			ParentMessageId: proto.String(req.ParentMessageID()),
			Hostname:        proto.String(c.hostname),
			Az:              proto.String(c.az),
			Payload:         proto.String(""), // @todo
			Duration:        proto.Int64(int64(d)),
			PersistentTrace: proto.Bool(req.TraceShouldPersist()),
		}
		if err != nil {
			e.ErrorCode = proto.String(err.Code())
			e.ErrorDescription = proto.String(err.Description())
		}
		trace.Send(e)
	}
}
Exemple #3
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// traceOut traces a request outbound from a service handler
func traceOut(req *Request, msg proto.Message, err errors.Error, d time.Duration) {
	if req.shouldTrace() {
		e := &traceproto.Event{
			Timestamp:         proto.Int64(time.Now().UnixNano()),
			TraceId:           proto.String(req.TraceID()),
			Type:              traceproto.Event_OUT.Enum(),
			MessageId:         proto.String(req.MessageID()),
			ParentMessageId:   proto.String(req.ParentMessageID()),
			From:              proto.String(req.From()),
			To:                proto.String(fmt.Sprintf("%v.%v", req.Service(), req.Endpoint())),
			Hostname:          proto.String(hostname),
			Az:                proto.String(az),
			Payload:           proto.String(""), // @todo
			HandlerInstanceId: proto.String(InstanceID),
			Duration:          proto.Int64(int64(d)),
			PersistentTrace:   proto.Bool(req.TraceShouldPersist()),
		}
		if err != nil {
			e.ErrorCode = proto.String(err.Code())
			e.ErrorDescription = proto.String(err.Description())
		}
		trace.Send(e)
	}
}