Add hooks for CRUD side effects for apigateway controller

control-plane/controllers/resources/api-gateway-controller.go

@@ -7,6 +7,7 @@ import (
 	"context"
 
 	"github.com/go-logr/logr"
+	k8serr "k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	"k8s.io/apimachinery/pkg/types"
 	ctrl "sigs.k8s.io/controller-runtime"
@@ -27,7 +28,30 @@ type APIGatewayController struct {
 // +kubebuilder:rbac:groups=mesh.consul.hashicorp.com,resources=tcproute/status,verbs=get;update;patch
 
 func (r *APIGatewayController) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
-	r.Logger(req.NamespacedName).Info("Reconciling APIGateway")
+	logger := r.Logger(req.NamespacedName)
+	logger.Info("Reconciling APIGateway")
+
+	resource := &meshv2beta1.APIGateway{}
+	if err := r.Get(ctx, req.NamespacedName, resource); k8serr.IsNotFound(err) {
+		return ctrl.Result{}, client.IgnoreNotFound(err)
+	} else if err != nil {
+		logger.Error(err, "retrieving resource")
+		return ctrl.Result{}, err
+	}
+
+	// Call hooks
+	if !resource.DeletionTimestamp.IsZero() {
+		logger.Info("deletion event")
+
+		if err := r.onDelete(ctx, req, resource); err != nil {
+			return ctrl.Result{}, err
+		}
+	} else {
+		if err := r.onCreateUpdate(ctx, req, resource); err != nil {
+			return ctrl.Result{}, err
+		}
+	}
+
 	return r.Controller.ReconcileResource(ctx, r, req, &meshv2beta1.APIGateway{})
 }
 
@@ -42,3 +66,13 @@ func (r *APIGatewayController) UpdateStatus(ctx context.Context, obj client.Obje
 func (r *APIGatewayController) SetupWithManager(mgr ctrl.Manager) error {
 	return setupWithManager(mgr, &meshv2beta1.APIGateway{}, r)
 }
+
+func (r *APIGatewayController) onCreateUpdate(ctx context.Context, req ctrl.Request, resource *meshv2beta1.APIGateway) error {
+	// TODO: NET-7449, NET-7450, and NET-7451
+	return nil
+}
+
+func (r *APIGatewayController) onDelete(ctx context.Context, req ctrl.Request, resource *meshv2beta1.APIGateway) error {
+	// TODO: NET-7449, NET-7450, and NET-7451
+	return nil
+}