App Platform: Remove mutable globals (#102962)

* App Platform: Remove mutable globals

* chore: clarify why this exists

* fix: support multi-tenant mode

* refactor: call builder providers directly

* CI: Force re-build

pkg/services/apiserver/builder/helper_test.go

@@ -11,7 +11,6 @@ import (
 	"k8s.io/apiserver/pkg/server"
 	"k8s.io/kube-openapi/pkg/common"
 
-	"github.com/grafana/grafana/pkg/services/apiserver"
 	"github.com/grafana/grafana/pkg/services/apiserver/builder"
 )
 
@@ -60,7 +59,11 @@ func TestAddPostStartHooks(t *testing.T) {
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			config := server.NewRecommendedConfig(apiserver.Codecs)
+			t.Parallel()
+
+			scheme := builder.ProvideScheme()
+			codecs := builder.ProvideCodecFactory(scheme)
+			config := server.NewRecommendedConfig(codecs)
 			err := builder.AddPostStartHooks(config, tt.builders)
 			if tt.wantErr {
 				require.Error(t, err)

pkg/services/apiserver/builder/scheme.go

@@ -0,0 +1,32 @@
+package builder
+
+import (
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/apimachinery/pkg/runtime/serializer"
+)
+
+func ProvideScheme() *runtime.Scheme {
+	unversionedVersion := schema.GroupVersion{Group: "", Version: "v1"}
+	unversionedTypes := []runtime.Object{
+		&metav1.Status{},
+		&metav1.WatchEvent{},
+		&metav1.APIVersions{},
+		&metav1.APIGroupList{},
+		&metav1.APIGroup{},
+		&metav1.APIResourceList{},
+		&metav1.PartialObjectMetadata{},
+		&metav1.PartialObjectMetadataList{},
+	}
+
+	scheme := runtime.NewScheme()
+	// we need to add the options to empty v1
+	metav1.AddToGroupVersion(scheme, schema.GroupVersion{Group: "", Version: "v1"})
+	scheme.AddUnversionedTypes(unversionedVersion, unversionedTypes...)
+	return scheme
+}
+
+func ProvideCodecFactory(scheme *runtime.Scheme) serializer.CodecFactory {
+	return serializer.NewCodecFactory(scheme)
+}