feat(alerting): testing alert is starting to work

pkg/api/alerting.go

@@ -83,6 +83,9 @@ func AlertTest(c *middleware.Context, dto dtos.AlertTestCommand) Response {
 	}
 
 	if err := bus.Dispatch(&backendCmd); err != nil {
+		if validationErr, ok := err.(alerting.AlertValidationError); ok {
+			return ApiError(422, validationErr.Error(), nil)
+		}
 		return ApiError(500, "Failed to test rule", err)
 	}
 
@@ -96,6 +99,10 @@ func AlertTest(c *middleware.Context, dto dtos.AlertTestCommand) Response {
 		dtoRes.Error = res.Error.Error()
 	}
 
+	for _, log := range res.Logs {
+		dtoRes.Logs = append(dtoRes.Logs, &dtos.AlertTestResultLog{Message: log.Message, Data: log.Data})
+	}
+
 	dtoRes.Timing = fmt.Sprintf("%1.3fs", res.GetDurationSeconds())
 
 	return Json(200, dtoRes)

pkg/api/dtos/alerting.go

@@ -40,7 +40,13 @@ type AlertTestCommand struct {
 }
 
 type AlertTestResult struct {
-	Triggered bool   `json:"triggerd"`
-	Timing    string `json:"timing"`
-	Error     string `json:"error"`
+	Triggered bool                  `json:"triggerd"`
+	Timing    string                `json:"timing"`
+	Error     string                `json:"error"`
+	Logs      []*AlertTestResultLog `json:"logs"`
+}
+
+type AlertTestResultLog struct {
+	Message string      `json:"message"`
+	Data    interface{} `json:"data"`
 }