Golang simplejson.NewFromAny函数代码示例

func addGettingStartedPanelToHomeDashboard(dash *simplejson.Json) {
	rows := dash.Get("rows").MustArray()
	row := simplejson.NewFromAny(rows[0])

	newpanel := simplejson.NewFromAny(map[string]interface{}{
		"type": "gettingstarted",
		"id":   123123,
		"span": 12,
	})

	panels := row.Get("panels").MustArray()
	panels = append(panels, newpanel)
	row.Set("panels", panels)
}

func TestDashboardSnapshotDBAccess(t *testing.T) {

	Convey("Testing DashboardSnapshot data access", t, func() {
		InitTestDB(t)

		Convey("Given saved snaphot", func() {
			cmd := m.CreateDashboardSnapshotCommand{
				Key: "hej",
				Dashboard: simplejson.NewFromAny(map[string]interface{}{
					"hello": "mupp",
				}),
			}
			err := CreateDashboardSnapshot(&cmd)
			So(err, ShouldBeNil)

			Convey("Should be able to get snaphot by key", func() {
				query := m.GetDashboardSnapshotQuery{Key: "hej"}
				err = GetDashboardSnapshot(&query)
				So(err, ShouldBeNil)

				So(query.Result, ShouldNotBeNil)
				So(query.Result.Dashboard.Get("hello").MustString(), ShouldEqual, "mupp")
			})

		})
	})
}

func (this *DashTemplateEvaluator) evalValue(source *simplejson.Json) interface{} {

	sourceValue := source.Interface()

	switch v := sourceValue.(type) {
	case string:
		interpolated := this.varRegex.ReplaceAllStringFunc(v, func(match string) string {
			if replacement, exists := this.variables[match]; exists {
				return replacement
			} else {
				return match
			}
		})
		return interpolated
	case bool:
		return v
	case json.Number:
		return v
	case map[string]interface{}:
		return this.evalObject(source)
	case []interface{}:
		array := make([]interface{}, 0)
		for _, item := range v {
			array = append(array, this.evalValue(simplejson.NewFromAny(item)))
		}
		return array
	}

	return nil
}

func (*InfluxdbQueryParser) parseTags(model *simplejson.Json) ([]*Tag, error) {
	var result []*Tag
	for _, t := range model.Get("tags").MustArray() {
		tagJson := simplejson.NewFromAny(t)
		tag := &Tag{}
		var err error

		tag.Key, err = tagJson.Get("key").String()
		if err != nil {
			return nil, err
		}

		tag.Value, err = tagJson.Get("value").String()
		if err != nil {
			return nil, err
		}

		operator, err := tagJson.Get("operator").String()
		if err == nil {
			tag.Operator = operator
		}

		condition, err := tagJson.Get("condition").String()
		if err == nil {
			tag.Condition = condition
		}

		result = append(result, tag)
	}

	return result, nil
}

func (*InfluxdbQueryParser) parseQueryPart(model *simplejson.Json) (*QueryPart, error) {
	typ, err := model.Get("type").String()
	if err != nil {
		return nil, err
	}

	var params []string
	for _, paramObj := range model.Get("params").MustArray() {
		param := simplejson.NewFromAny(paramObj)

		stringParam, err := param.String()
		if err == nil {
			params = append(params, stringParam)
			continue
		}

		intParam, err := param.Int()
		if err == nil {
			params = append(params, strconv.Itoa(intParam))
			continue
		}

		return nil, err

	}

	qp, err := NewQueryPart(typ, params)
	if err != nil {
		return nil, err
	}

	return qp, nil
}

func (qp *QueryParser) Parse(model *simplejson.Json, dsInfo *models.DataSource, queryContext *tsdb.QueryContext) (*Query, error) {
	query := &Query{TimeRange: queryContext.TimeRange}
	query.AddClusterToAlias = model.Get("addClusterToAlias").MustBool(false)
	query.AddHostToAlias = model.Get("addHostToAlias").MustBool(false)
	query.UseRawQuery = model.Get("rawQuery").MustBool(false)
	query.RawQuery = model.Get("query").MustString("")

	query.Cluster = model.Get("cluster").MustStringArray([]string{})
	query.Hosts = model.Get("hosts").MustStringArray([]string{})

	var metrics []Metric
	var err error
	for _, metricsObj := range model.Get("metrics").MustArray() {
		metricJson := simplejson.NewFromAny(metricsObj)
		var m Metric

		m.Alias = metricJson.Get("alias").MustString("")
		m.Metric, err = metricJson.Get("metric").String()
		if err != nil {
			return nil, err
		}

		metrics = append(metrics, m)
	}

	query.Metrics = metrics

	var functions []Function
	for _, functionListObj := range model.Get("functionList").MustArray() {
		functionListJson := simplejson.NewFromAny(functionListObj)
		var f Function

		f.Func = functionListJson.Get("func").MustString("")
		if err != nil {
			return nil, err
		}

		if f.Func != "" {
			functions = append(functions, f)
		}
	}

	query.FunctionList = functions

	return query, nil
}

func (handler *DefaultResultHandler) Handle(evalContext *EvalContext) error {
	executionError := ""
	annotationData := simplejson.New()

	evalContext.Rule.State = handler.GetStateFromEvaluation(evalContext)

	if evalContext.Error != nil {
		executionError = evalContext.Error.Error()
		annotationData.Set("errorMessage", executionError)
	}

	if evalContext.Firing {
		annotationData = simplejson.NewFromAny(evalContext.EvalMatches)
	}

	countStateResult(evalContext.Rule.State)
	if evalContext.ShouldUpdateAlertState() {
		handler.log.Info("New state change", "alertId", evalContext.Rule.Id, "newState", evalContext.Rule.State, "prev state", evalContext.PrevAlertState)

		cmd := &m.SetAlertStateCommand{
			AlertId:  evalContext.Rule.Id,
			OrgId:    evalContext.Rule.OrgId,
			State:    evalContext.Rule.State,
			Error:    executionError,
			EvalData: annotationData,
		}

		if err := bus.Dispatch(cmd); err != nil {
			handler.log.Error("Failed to save state", "error", err)
		}

		// save annotation
		item := annotations.Item{
			OrgId:       evalContext.Rule.OrgId,
			DashboardId: evalContext.Rule.DashboardId,
			PanelId:     evalContext.Rule.PanelId,
			Type:        annotations.AlertType,
			AlertId:     evalContext.Rule.Id,
			Title:       evalContext.Rule.Name,
			Text:        evalContext.GetStateModel().Text,
			NewState:    string(evalContext.Rule.State),
			PrevState:   string(evalContext.PrevAlertState),
			Epoch:       time.Now().Unix(),
			Data:        annotationData,
		}

		annotationRepo := annotations.GetRepository()
		if err := annotationRepo.Save(&item); err != nil {
			handler.log.Error("Failed to save annotation for new alert state", "error", err)
		}

		if evalContext.ShouldSendNotification() {
			handler.notifier.Notify(evalContext)
		}
	}

	return nil
}

func (h *hub) run() {
	for {
		select {
		case c := <-h.register:
			h.connections[c] = true
			log.Info("Live: New connection (Total count: %v)", len(h.connections))

		case c := <-h.unregister:
			if _, ok := h.connections[c]; ok {
				log.Info("Live: Closing Connection (Total count: %v)", len(h.connections))
				delete(h.connections, c)
				close(c.send)
			}
		// hand stream subscriptions
		case sub := <-h.subChannel:
			log.Info("Live: Subscribing to: %v, remove: %v", sub.name, sub.remove)
			subscribers, exists := h.streams[sub.name]

			// handle unsubscribe
			if exists && sub.remove {
				delete(subscribers, sub.conn)
				continue
			}

			if !exists {
				subscribers = make(map[*connection]bool)
				h.streams[sub.name] = subscribers
			}
			subscribers[sub.conn] = true

			// handle stream messages
		case message := <-h.streamChannel:
			subscribers, exists := h.streams[message.Stream]
			if !exists || len(subscribers) == 0 {
				log.Info("Live: Message to stream without subscribers: %v", message.Stream)
				continue
			}

			messageBytes, _ := simplejson.NewFromAny(message).Encode()
			for sub := range subscribers {
				// check if channel is open
				if _, ok := h.connections[sub]; !ok {
					delete(subscribers, sub)
					continue
				}

				select {
				case sub.send <- messageBytes:
				default:
					close(sub.send)
					delete(h.connections, sub)
					delete(subscribers, sub)
				}
			}
		}
	}
}

func findPanelQueryByRefId(panel *simplejson.Json, refId string) *simplejson.Json {
	for _, targetsObj := range panel.Get("targets").MustArray() {
		target := simplejson.NewFromAny(targetsObj)

		if target.Get("refId").MustString() == refId {
			return target
		}
	}
	return nil
}

func NewRuleFromDBAlert(ruleDef *m.Alert) (*Rule, error) {
	model := &Rule{}
	model.Id = ruleDef.Id
	model.OrgId = ruleDef.OrgId
	model.DashboardId = ruleDef.DashboardId
	model.PanelId = ruleDef.PanelId
	model.Name = ruleDef.Name
	model.Message = ruleDef.Message
	model.Frequency = ruleDef.Frequency
	model.State = ruleDef.State
	model.NoDataState = m.NoDataOption(ruleDef.Settings.Get("noDataState").MustString("no_data"))
	model.ExecutionErrorState = m.ExecutionErrorOption(ruleDef.Settings.Get("executionErrorState").MustString("alerting"))

	for _, v := range ruleDef.Settings.Get("notifications").MustArray() {
		jsonModel := simplejson.NewFromAny(v)
		if id, err := jsonModel.Get("id").Int64(); err != nil {
			return nil, ValidationError{Reason: "Invalid notification schema"}
		} else {
			model.Notifications = append(model.Notifications, id)
		}
	}

	for index, condition := range ruleDef.Settings.Get("conditions").MustArray() {
		conditionModel := simplejson.NewFromAny(condition)
		conditionType := conditionModel.Get("type").MustString()
		if factory, exist := conditionFactories[conditionType]; !exist {
			return nil, ValidationError{Reason: "Unknown alert condition: " + conditionType}
		} else {
			if queryCondition, err := factory(conditionModel, index); err != nil {
				return nil, err
			} else {
				model.Conditions = append(model.Conditions, queryCondition)
			}
		}
	}

	if len(model.Conditions) == 0 {
		return nil, fmt.Errorf("Alert is missing conditions")
	}

	return model, nil
}

func (this *DashTemplateEvaluator) Eval() (*simplejson.Json, error) {
	this.result = simplejson.New()
	this.variables = make(map[string]string)
	this.varRegex, _ = regexp.Compile(`(\$\{\w+\})`)

	// check that we have all inputs we need
	for _, inputDef := range this.template.Get("__inputs").MustArray() {
		inputDefJson := simplejson.NewFromAny(inputDef)
		inputName := inputDefJson.Get("name").MustString()
		inputType := inputDefJson.Get("type").MustString()
		input := this.findInput(inputName, inputType)

		if input == nil {
			return nil, &DashboardInputMissingError{VariableName: inputName}
		}

		this.variables["${"+inputName+"}"] = input.Value
	}

	return simplejson.NewFromAny(this.evalObject(this.template)), nil
}

func (this *DashTemplateEvaluator) evalObject(source *simplejson.Json) interface{} {
	result := make(map[string]interface{})

	for key, value := range source.MustMap() {
		if key == "__inputs" {
			continue
		}
		result[key] = this.evalValue(simplejson.NewFromAny(value))
	}

	return result
}

func (qp *InfluxdbQueryParser) parseSelects(model *simplejson.Json) ([]*Select, error) {
	var result []*Select

	for _, selectObj := range model.Get("select").MustArray() {
		selectJson := simplejson.NewFromAny(selectObj)
		var parts Select

		for _, partObj := range selectJson.MustArray() {
			part := simplejson.NewFromAny(partObj)
			queryPart, err := qp.parseQueryPart(part)
			if err != nil {
				return nil, err
			}

			parts = append(parts, *queryPart)
		}

		result = append(result, &parts)
	}

	return result, nil
}

func (qp *InfluxdbQueryParser) parseGroupBy(model *simplejson.Json) ([]*QueryPart, error) {
	var result []*QueryPart

	for _, groupObj := range model.Get("groupBy").MustArray() {
		groupJson := simplejson.NewFromAny(groupObj)
		queryPart, err := qp.parseQueryPart(groupJson)

		if err != nil {
			return nil, err
		}
		result = append(result, queryPart)
	}

	return result, nil
}

func insertTestDashboard(title string, orgId int64, tags ...interface{}) *m.Dashboard {
	cmd := m.SaveDashboardCommand{
		OrgId: orgId,
		Dashboard: simplejson.NewFromAny(map[string]interface{}{
			"id":    nil,
			"title": title,
			"tags":  tags,
		}),
	}

	err := SaveDashboard(&cmd)
	So(err, ShouldBeNil)

	return cmd.Result
}