style(alerting): give better info about actual value

pkg/services/alerting/alerting.go

@@ -3,6 +3,7 @@ package alerting
 import (
 	"time"
 
+	"fmt"
 	"github.com/grafana/grafana/pkg/bus"
 	"github.com/grafana/grafana/pkg/log"
 	m "github.com/grafana/grafana/pkg/models"
@@ -107,6 +108,10 @@ func (this *Scheduler) HandleResponses() {
 			NewState: response.State,
 		}
 
+		if cmd.NewState != m.AlertStateOk {
+			cmd.Info = fmt.Sprintf("Actual value: %1.2f", response.ActualValue)
+		}
+
 		if err := bus.Dispatch(&cmd); err != nil {
 			log.Error(1, "failed to save state", err)
 		}