K8s/Dashboards: Fix title extraction (#101990)

pkg/apimachinery/utils/meta.go

@@ -607,6 +607,22 @@ func (m *grafanaMetaAccessor) FindTitle(defaultTitle string) string {
 		if name.IsValid() && name.Kind() == reflect.String {
 			return name.String()
 		}
+
+		// Unstructured uses Object subtype
+		object := spec.FieldByName("Object")
+		if object.IsValid() && object.Kind() == reflect.Map {
+			key := reflect.ValueOf("title")
+			value := object.MapIndex(key)
+			if value.IsValid() {
+				if value.CanInterface() {
+					v := value.Interface()
+					t, ok := v.(string)
+					if ok {
+						return t
+					}
+				}
+			}
+		}
 	}
 
 	obj, ok := m.obj.(*unstructured.Unstructured)

pkg/apis/dashboard/migration/conversion/conversion_test.go

@@ -2,12 +2,15 @@ package conversion
 
 import (
 	"fmt"
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 	v1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 
+	"github.com/grafana/grafana/pkg/apimachinery/apis/common/v0alpha1"
+	"github.com/grafana/grafana/pkg/apimachinery/utils"
 	dashboardV0 "github.com/grafana/grafana/pkg/apis/dashboard/v0alpha1"
 	dashboardV1 "github.com/grafana/grafana/pkg/apis/dashboard/v1alpha1"
 	dashboardV2 "github.com/grafana/grafana/pkg/apis/dashboard/v2alpha1"
@@ -15,9 +18,9 @@ import (
 
 func TestConversionMatrixExist(t *testing.T) {
 	versions := []v1.Object{
-		&dashboardV0.Dashboard{},
-		&dashboardV1.Dashboard{},
-		&dashboardV2.Dashboard{},
+		&dashboardV0.Dashboard{Spec: v0alpha1.Unstructured{Object: map[string]any{"title": "dashboardV0"}}},
+		&dashboardV1.Dashboard{Spec: v0alpha1.Unstructured{Object: map[string]any{"title": "dashboardV1"}}},
+		&dashboardV2.Dashboard{Spec: dashboardV2.DashboardSpec{Title: "dashboardV2"}},
 	}
 
 	scheme := runtime.NewScheme()
@@ -34,6 +37,11 @@ func TestConversionMatrixExist(t *testing.T) {
 				err = scheme.Convert(in, out, nil)
 				require.NoError(t, err)
 			}
+
+			// Make sure we get the right title for each value
+			meta, err := utils.MetaAccessor(in)
+			require.NoError(t, err)
+			require.True(t, strings.HasPrefix(meta.FindTitle(""), "dashboard"))
 		})
 	}
 }