From: naman.gupta <naman.gupta@samsung.com>
Date: Fri, 3 Nov 2023 10:26:46 +0000 (+0530)
Subject: Adding the custom finalizer to the object.
X-Git-Tag: 2.1.1~12
X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=commitdiff_plain;h=2619142742cf87f5a066e0b75fd2f23a04d8c052;p=ric-plt%2Fricdms.git

Adding the custom finalizer to the object.

Adding the custom finalizer to the object to determine if the object is
under deletion or deleted.

Change-Id: I3360953c1893efe9dc6b8c3649567d3ee36e2b05
Signed-off-by: naman.gupta <naman.gupta@samsung.com>
---

diff --git a/xappKubernetesOperator/internal/controller/xappdep_controller.go b/xappKubernetesOperator/internal/controller/xappdep_controller.go
index ec108a3..5bff8d5 100644
--- a/xappKubernetesOperator/internal/controller/xappdep_controller.go
+++ b/xappKubernetesOperator/internal/controller/xappdep_controller.go
@@ -19,9 +19,12 @@ package controller
 import (
 	"context"
 
+	"k8s.io/apimachinery/pkg/api/errors"
 	"k8s.io/apimachinery/pkg/runtime"
 	ctrl "sigs.k8s.io/controller-runtime"
 	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
+	"sigs.k8s.io/controller-runtime/pkg/log"
 
 	depxappv1 "depxapp/api/v1"
 )
@@ -46,9 +49,44 @@ type XappDepReconciler struct {
 // For more details, check Reconcile and its Result here:
 // - https://pkg.go.dev/sigs.k8s.io/controller-runtime@v0.15.0/pkg/reconcile
 func (r *XappDepReconciler) Reconcile(ctx context.Context, req ctrl.Request) (ctrl.Result, error) {
+	logger := log.FromContext(ctx)
+	logger.Info("Reconcilling xapp")
+	instance := &depxappv1.XappDep{}
+	err := r.Get(context.TODO(), req.NamespacedName, instance)
+	if err != nil {
+		if errors.IsNotFound(err) {
+			// object not found, could have been deleted after reconcile request, hence don't requeue
+			return ctrl.Result{}, nil
+		}
+		// error reading the object, requeue the request
+		return ctrl.Result{}, err
+	}
 
-	// TODO(user): your logic here
+	// name of our custom finalizer
+	myFinalizerName := "batch.tutorial.kubebuilder.io/finalizer"
+	// examine DeletionTimestamp to determine if object is under deletion
+	if instance.ObjectMeta.DeletionTimestamp.IsZero() {
+		// Adding a Finaliser also adds the DeletionTimestamp while deleting
+		if !controllerutil.ContainsFinalizer(instance, myFinalizerName) {
+			// Would Be Called only during CR-Creation
+			controllerutil.AddFinalizer(instance, myFinalizerName)
+			if err := r.Update(ctx, instance); err != nil {
+				return ctrl.Result{}, err
+			}
+		}
+	} else {
+		// The object is being deleted
+		if controllerutil.ContainsFinalizer(instance, myFinalizerName) {
+			// remove our finalizer from the list and update it.
+			controllerutil.RemoveFinalizer(instance, myFinalizerName)
+			if err := r.Update(ctx, instance); err != nil {
+				return ctrl.Result{}, err
+			}
+		}
 
+		// Stop reconciliation as the item is being deleted
+		return ctrl.Result{}, nil
+	}
 	return ctrl.Result{}, nil
 
 }