grafana/pkg/services/alerting/test_notification.go
2019-06-03 10:25:58 +02:00

85 lines
2.0 KiB
Go

package alerting
import (
"context"
"fmt"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/components/null"
"github.com/grafana/grafana/pkg/components/simplejson"
"github.com/grafana/grafana/pkg/infra/log"
"github.com/grafana/grafana/pkg/models"
)
// NotificationTestCommand initiates an test
// execution of an alert notification.
type NotificationTestCommand struct {
State models.AlertStateType
Name string
Type string
Settings *simplejson.Json
}
var (
logger = log.New("alerting.testnotification")
)
func init() {
bus.AddHandler("alerting", handleNotificationTestCommand)
}
func handleNotificationTestCommand(cmd *NotificationTestCommand) error {
notifier := newNotificationService(nil)
model := &models.AlertNotification{
Name: cmd.Name,
Type: cmd.Type,
Settings: cmd.Settings,
}
notifiers, err := InitNotifier(model)
if err != nil {
logger.Error("Failed to create notifier", "error", err.Error())
return err
}
return notifier.sendNotifications(createTestEvalContext(cmd), notifierStateSlice{{notifier: notifiers}})
}
func createTestEvalContext(cmd *NotificationTestCommand) *EvalContext {
testRule := &Rule{
DashboardID: 1,
PanelID: 1,
Name: "Test notification",
Message: "Someone is testing the alert notification within grafana.",
State: models.AlertStateAlerting,
}
ctx := NewEvalContext(context.Background(), testRule)
if cmd.Settings.Get("uploadImage").MustBool(true) {
ctx.ImagePublicURL = "https://grafana.com/assets/img/blog/mixed_styles.png"
}
ctx.IsTestRun = true
ctx.Firing = true
ctx.Error = fmt.Errorf("This is only a test")
ctx.EvalMatches = evalMatchesBasedOnState()
return ctx
}
func evalMatchesBasedOnState() []*EvalMatch {
matches := make([]*EvalMatch, 0)
matches = append(matches, &EvalMatch{
Metric: "High value",
Value: null.FloatFrom(100),
})
matches = append(matches, &EvalMatch{
Metric: "Higher Value",
Value: null.FloatFrom(200),
})
return matches
}