fix(application): selector with targetNamespace (#1502)

Author: leoryu

Diff for: api/application/v1/conversion.go

@@ -47,6 +47,7 @@ func AddFieldLabelConversionsForApp(scheme *runtime.Scheme) error {
 			case "spec.tenantID",
 				"spec.name",
 				"spec.targetCluster",
+				"spec.targetNamespace",
 				"spec.type",
 				"metadata.name":
 				return label, value, nil

Diff for: pkg/application/registry/application/strategy.go

@@ -159,6 +159,7 @@ func MatchApplication(label labels.Selector, field fields.Selector) storage.Sele
 			"spec.name",
 			"spec.type",
 			"spec.targetCluster",
+			"spec.targetNamespace",
 			"metadata.name",
 		},
 	}
@@ -168,10 +169,11 @@ func MatchApplication(label labels.Selector, field fields.Selector) storage.Sele
 func ToSelectableFields(app *application.App) fields.Set {
 	objectMetaFieldsSet := genericregistry.ObjectMetaFieldsSet(&app.ObjectMeta, false)
 	specificFieldsSet := fields.Set{
-		"spec.tenantID":      app.Spec.TenantID,
-		"spec.name":          app.Spec.Name,
-		"spec.type":          string(app.Spec.Type),
-		"spec.targetCluster": app.Spec.TargetCluster,
+		"spec.tenantID":        app.Spec.TenantID,
+		"spec.name":            app.Spec.Name,
+		"spec.type":            string(app.Spec.Type),
+		"spec.targetCluster":   app.Spec.TargetCluster,
+		"spec.targetNamespace": app.Spec.TargetNamespace,
 	}
 	return genericregistry.MergeFieldsSets(objectMetaFieldsSet, specificFieldsSet)
 }