Golang EvalContext.GetStateModel方法代码示例

func (this *EmailNotifier) Notify(context *alerting.EvalContext) {
	this.log.Info("Sending alert notification to", "addresses", this.Addresses)
	metrics.M_Alerting_Notification_Sent_Email.Inc(1)

	ruleUrl, err := context.GetRuleUrl()
	if err != nil {
		this.log.Error("Failed get rule link", "error", err)
		return
	}

	cmd := &m.SendEmailCommand{
		Data: map[string]interface{}{
			"Title":        context.GetNotificationTitle(),
			"State":        context.Rule.State,
			"Name":         context.Rule.Name,
			"StateModel":   context.GetStateModel(),
			"Message":      context.Rule.Message,
			"RuleUrl":      ruleUrl,
			"ImageLink":    context.ImagePublicUrl,
			"AlertPageUrl": setting.AppUrl + "alerting",
			"EvalMatches":  context.EvalMatches,
		},
		To:       this.Addresses,
		Template: "alert_notification.html",
	}

	if err := bus.Dispatch(cmd); err != nil {
		this.log.Error("Failed to send alert notification email", "error", err)
	}
}

func (this *EmailNotifier) Notify(evalContext *alerting.EvalContext) error {
	this.log.Info("Sending alert notification to", "addresses", this.Addresses)
	metrics.M_Alerting_Notification_Sent_Email.Inc(1)

	ruleUrl, err := evalContext.GetRuleUrl()
	if err != nil {
		this.log.Error("Failed get rule link", "error", err)
		return err
	}

	cmd := &m.SendEmailCommandSync{
		SendEmailCommand: m.SendEmailCommand{
			Subject: evalContext.GetNotificationTitle(),
			Data: map[string]interface{}{
				"Title":        evalContext.GetNotificationTitle(),
				"State":        evalContext.Rule.State,
				"Name":         evalContext.Rule.Name,
				"StateModel":   evalContext.GetStateModel(),
				"Message":      evalContext.Rule.Message,
				"RuleUrl":      ruleUrl,
				"ImageLink":    "",
				"EmbededImage": "",
				"AlertPageUrl": setting.AppUrl + "alerting",
				"EvalMatches":  evalContext.EvalMatches,
			},
			To:           this.Addresses,
			Template:     "alert_notification.html",
			EmbededFiles: []string{},
		},
	}

	if evalContext.ImagePublicUrl != "" {
		cmd.Data["ImageLink"] = evalContext.ImagePublicUrl
	} else {
		file, err := os.Stat(evalContext.ImageOnDiskPath)
		if err == nil {
			cmd.EmbededFiles = []string{evalContext.ImageOnDiskPath}
			cmd.Data["EmbededImage"] = file.Name()
		}
	}

	err = bus.DispatchCtx(evalContext.Ctx, cmd)

	if err != nil {
		this.log.Error("Failed to send alert notification email", "error", err)
		return err
	}
	return nil

}

func (this *SlackNotifier) Notify(evalContext *alerting.EvalContext) error {
	this.log.Info("Executing slack notification", "ruleId", evalContext.Rule.Id, "notification", this.Name)
	metrics.M_Alerting_Notification_Sent_Slack.Inc(1)

	ruleUrl, err := evalContext.GetRuleUrl()
	if err != nil {
		this.log.Error("Failed get rule link", "error", err)
		return err
	}

	fields := make([]map[string]interface{}, 0)
	fieldLimitCount := 4
	for index, evt := range evalContext.EvalMatches {
		fields = append(fields, map[string]interface{}{
			"title": evt.Metric,
			"value": evt.Value,
			"short": true,
		})
		if index > fieldLimitCount {
			break
		}
	}

	if evalContext.Error != nil {
		fields = append(fields, map[string]interface{}{
			"title": "Error message",
			"value": evalContext.Error.Error(),
			"short": false,
		})
	}

	message := ""
	if evalContext.Rule.State != m.AlertStateOK { //dont add message when going back to alert state ok.
		message = evalContext.Rule.Message
	}

	body := map[string]interface{}{
		"attachments": []map[string]interface{}{
			{
				"color":       evalContext.GetStateModel().Color,
				"title":       evalContext.GetNotificationTitle(),
				"title_link":  ruleUrl,
				"text":        message,
				"fields":      fields,
				"image_url":   evalContext.ImagePublicUrl,
				"footer":      "Grafana v" + setting.BuildVersion,
				"footer_icon": "http://grafana.org/assets/img/fav32.png",
				"ts":          time.Now().Unix(),
			},
		},
	}

	data, _ := json.Marshal(&body)
	cmd := &m.SendWebhookSync{Url: this.Url, Body: string(data)}

	if err := bus.DispatchCtx(evalContext.Ctx, cmd); err != nil {
		this.log.Error("Failed to send slack notification", "error", err, "webhook", this.Name)
	}

	return nil
}

func (this *SlackNotifier) Notify(context *alerting.EvalContext) {
	this.log.Info("Executing slack notification", "ruleId", context.Rule.Id, "notification", this.Name)
	metrics.M_Alerting_Notification_Sent_Slack.Inc(1)

	ruleUrl, err := context.GetRuleUrl()
	if err != nil {
		this.log.Error("Failed get rule link", "error", err)
		return
	}

	fields := make([]map[string]interface{}, 0)
	fieldLimitCount := 4
	for index, evt := range context.EvalMatches {
		fields = append(fields, map[string]interface{}{
			"title": evt.Metric,
			"value": evt.Value,
			"short": true,
		})
		if index > fieldLimitCount {
			break
		}
	}

	if context.Error != nil {
		fields = append(fields, map[string]interface{}{
			"title": "Error message",
			"value": context.Error.Error(),
			"short": false,
		})
	}

	message := ""
	if context.Rule.State != m.AlertStateOK { //dont add message when going back to alert state ok.
		message = context.Rule.Message
	}

	body := map[string]interface{}{
		"attachments": []map[string]interface{}{
			{
				"color":       context.GetStateModel().Color,
				"title":       context.GetNotificationTitle(),
				"title_link":  ruleUrl,
				"text":        message,
				"fields":      fields,
				"image_url":   context.ImagePublicUrl,
				"footer":      "Grafana v" + setting.BuildVersion,
				"footer_icon": "http://grafana.org/assets/img/fav32.png",
				"ts":          time.Now().Unix(),
				//"pretext":     "Optional text that appears above the attachment block",
				// "author_name": "Bobby Tables",
				// "author_link": "http://flickr.com/bobby/",
				// "author_icon": "http://flickr.com/icons/bobby.jpg",
				// "thumb_url":   "http://example.com/path/to/thumb.png",
			},
		},
	}

	data, _ := json.Marshal(&body)
	cmd := &m.SendWebhook{Url: this.Url, Body: string(data)}

	if err := bus.Dispatch(cmd); err != nil {
		this.log.Error("Failed to send slack notification", "error", err, "webhook", this.Name)
	}
}