fixup: workflow postcondition

Signed-off-by: Guilherme Cassolato <[email protected]>

controller/workflow.go

@@ -24,14 +24,14 @@ func (d *Workflow) Run(ctx context.Context, resourceEvent ResourceEvent, topolog
 	// dispatch the event to concurrent tasks
 	funcs := d.Tasks
 	waitGroup := &sync.WaitGroup{}
-	defer waitGroup.Wait()
 	waitGroup.Add(len(funcs))
 	for _, f := range funcs {
 		go func() {
 			defer waitGroup.Done()
 			f(ctx, resourceEvent, topology)
 		}()
 	}
+	waitGroup.Wait()
 
 	// run precondition reconcile function
 	if d.Postcondition != nil {

examples/kuadrant/main.go

@@ -145,11 +145,9 @@ func buildReconciler(gatewayProviders []string, client *dynamic.DynamicClient) c
 			}
 		},
 		Tasks: []controller.CallbackFunc{
-			(&controller.Workflow{
-				Precondition: (&reconcilers.TopologyFileReconciler{}).Reconcile, // Graphiz frees the memory that might be simutanously used by the reconcilers, so this needs to run in a precondition
-				Tasks:        []controller.CallbackFunc{effectivePolicyReconciler.Reconcile},
-			}).Run,
+			effectivePolicyReconciler.Reconcile,
 		},
+		Postcondition: (&reconcilers.TopologyFileReconciler{}).Reconcile, // Graphiz frees the memory that might be simutanously used by the reconcilers, so this needs to run in a precondition
 	}
 
 	return reconciler.Run