Make sharder's scheme reusable

Author: timebertt

cmd/sharder/app/options.go

@@ -32,7 +32,6 @@ import (
 	"k8s.io/apimachinery/pkg/runtime/serializer"
 	"k8s.io/apimachinery/pkg/selection"
 	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
-	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
 	"k8s.io/client-go/rest"
 	"k8s.io/utils/ptr"
 	"sigs.k8s.io/controller-runtime/pkg/cache"
@@ -46,19 +45,11 @@ import (
 
 	configv1alpha1 "github.com/timebertt/kubernetes-controller-sharding/pkg/apis/config/v1alpha1"
 	shardingv1alpha1 "github.com/timebertt/kubernetes-controller-sharding/pkg/apis/sharding/v1alpha1"
+	utilclient "github.com/timebertt/kubernetes-controller-sharding/pkg/utils/client"
 	"github.com/timebertt/kubernetes-controller-sharding/pkg/utils/routes"
 )
 
-var scheme = runtime.NewScheme()
-
-func init() {
-	schemeBuilder := runtime.NewSchemeBuilder(
-		clientgoscheme.AddToScheme,
-		shardingv1alpha1.AddToScheme,
-		configv1alpha1.AddToScheme,
-	)
-	utilruntime.Must(schemeBuilder.AddToScheme(scheme))
-}
+var scheme = utilclient.SharderScheme
 
 type options struct {
 	configFile string

pkg/utils/client/scheme.go

@@ -0,0 +1,38 @@
+/*
+Copyright 2025 Tim Ebert.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package client
+
+import (
+	"k8s.io/apimachinery/pkg/runtime"
+	utilruntime "k8s.io/apimachinery/pkg/util/runtime"
+	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
+
+	configv1alpha1 "github.com/timebertt/kubernetes-controller-sharding/pkg/apis/config/v1alpha1"
+	shardingv1alpha1 "github.com/timebertt/kubernetes-controller-sharding/pkg/apis/sharding/v1alpha1"
+)
+
+// SharderScheme is the scheme that the sharder uses.
+var SharderScheme = runtime.NewScheme()
+
+func init() {
+	schemeBuilder := runtime.NewSchemeBuilder(
+		clientgoscheme.AddToScheme,
+		shardingv1alpha1.AddToScheme,
+		configv1alpha1.AddToScheme,
+	)
+	utilruntime.Must(schemeBuilder.AddToScheme(SharderScheme))
+}