divide operators

pkg/controller/service/controller.go

@@ -0,0 +1,48 @@
+package service
+
+import (
+	"context"
+	"fmt"
+
+	corev1 "k8s.io/api/core/v1"
+	apierrors "k8s.io/apimachinery/pkg/api/errors"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+)
+
+type ServiceReconciler struct {
+	client.Client
+}
+
+func NewServiceReconciler(client client.Client) *ServiceReconciler {
+	return &ServiceReconciler{
+		Client: client,
+	}
+}
+
+func (r *ServiceReconciler) Reconcile(ctx context.Context, desiredSvc *corev1.Service) error {
+	key := client.ObjectKeyFromObject(desiredSvc)
+	var existingSvc corev1.Service
+	if err := r.Get(ctx, key, &existingSvc); err != nil {
+		if !apierrors.IsNotFound(err) {
+			return fmt.Errorf("error getting Service: %v", err)
+		}
+		if err := r.Create(ctx, desiredSvc); err != nil {
+			return fmt.Errorf("error creating Service: %v", err)
+		}
+		return nil
+	}
+
+	patch := client.MergeFrom(existingSvc.DeepCopy())
+	existingSvc.Spec.Ports = desiredSvc.Spec.Ports
+	existingSvc.Spec.AllocateLoadBalancerNodePorts = desiredSvc.Spec.AllocateLoadBalancerNodePorts
+	existingSvc.Spec.Selector = desiredSvc.Spec.Selector
+	existingSvc.Spec.Type = desiredSvc.Spec.Type
+	for k, v := range desiredSvc.Annotations {
+		existingSvc.Annotations[k] = v
+	}
+	for k, v := range desiredSvc.Labels {
+		existingSvc.Labels[k] = v
+	}
+
+	return r.Patch(ctx, &existingSvc, patch)
+}