grafana/pkg/services/alerting/test_notification.go

121 lines
2.8 KiB
Go

package alerting
import (
"context"
"fmt"
"math/rand"
"net/http"
"github.com/grafana/grafana/pkg/components/securejsondata"
"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 {
OrgID int64
ID int64
State models.AlertStateType
Name string
Type string
Settings *simplejson.Json
SecureSettings map[string]string
}
var (
logger = log.New("alerting.testnotification")
)
func init() {
bus.AddHandlerCtx("alerting", handleNotificationTestCommand)
}
func handleNotificationTestCommand(ctx context.Context, cmd *NotificationTestCommand) error {
notifier := newNotificationService(nil)
model := &models.AlertNotification{
Name: cmd.Name,
Type: cmd.Type,
Settings: cmd.Settings,
}
secureSettingsMap := map[string]string{}
if cmd.ID > 0 {
query := &models.GetAlertNotificationsQuery{
OrgId: cmd.OrgID,
Id: cmd.ID,
}
if err := bus.Dispatch(query); err != nil {
return err
}
if query.Result.SecureSettings != nil {
secureSettingsMap = query.Result.SecureSettings.Decrypt()
}
}
for k, v := range cmd.SecureSettings {
secureSettingsMap[k] = v
}
model.SecureSettings = securejsondata.GetEncryptedJsonData(secureSettingsMap)
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,
ID: rand.Int63(),
}
ctx := NewEvalContext(context.Background(), testRule, fakeRequestValidator{})
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
}
type fakeRequestValidator struct{}
func (fakeRequestValidator) Validate(_ string, _ *http.Request) error {
return nil
}