cmd/k8s-operator: remove use of InjectClient (deprecated)

The dependency injection functionality has been deprecated a while back
and it'll be removed in the 0.15 release of Controller Runtime. This
changeset sets the Client after creating the Manager, instead of using
InjectClient.

Signed-off-by: Vince Prignano <vince@prigna.com>

cmd/k8s-operator/operator.go

@@ -164,14 +164,6 @@ func main() {
 		time.Sleep(time.Second)
 	}
 
-	sr := &ServiceReconciler{
-		tsClient:          tsClient,
-		defaultTags:       strings.Split(tags, ","),
-		operatorNamespace: tsNamespace,
-		proxyImage:        image,
-		logger:            zlog.Named("service-reconciler"),
-	}
-
 	// For secrets and statefulsets, we only get permission to touch the objects
 	// in the controller's own namespace. This cannot be expressed by
 	// .Watches(...) below, instead you have to add a per-type field selector to
@@ -193,6 +185,15 @@ func main() {
 		startlog.Fatalf("could not create manager: %v", err)
 	}
 
+	sr := &ServiceReconciler{
+		Client:            mgr.GetClient(),
+		tsClient:          tsClient,
+		defaultTags:       strings.Split(tags, ","),
+		operatorNamespace: tsNamespace,
+		proxyImage:        image,
+		logger:            zlog.Named("service-reconciler"),
+	}
+
 	reconcileFilter := handler.EnqueueRequestsFromMapFunc(func(o client.Object) []reconcile.Request {
 		ls := o.GetLabels()
 		if ls[LabelManaged] != "true" {
@@ -591,11 +592,6 @@ func (a *ServiceReconciler) reconcileSTS(ctx context.Context, logger *zap.Sugare
 	return createOrUpdate(ctx, a.Client, a.operatorNamespace, &ss, func(s *appsv1.StatefulSet) { s.Spec = ss.Spec })
 }
 
-func (a *ServiceReconciler) InjectClient(c client.Client) error {
-	a.Client = c
-	return nil
-}
-
 // ptrObject is a type constraint for pointer types that implement
 // client.Object.
 type ptrObject[T any] interface {