Timeout handler : WaitTaskRun only if the pod got created successfully

We can save one goroutines per pod creation by waiting for TaskRun
only if the pod creation was successful.

Signed-off-by: Vincent Demeester <[email protected]>

pkg/reconciler/v1alpha1/taskrun/taskrun.go

@@ -294,7 +294,6 @@ func (c *Reconciler) reconcile(ctx context.Context, tr *v1alpha1.TaskRun) error
 		}
 	} else {
 		// Pod is not present, create pod.
-		go c.timeoutHandler.WaitTaskRun(tr)
 		pod, err = c.createBuildPod(tr, rtr.TaskSpec, rtr.TaskName)
 		if err != nil {
 			// This Run has failed, so we need to mark it as failed and stop reconciling it
@@ -314,6 +313,7 @@ func (c *Reconciler) reconcile(ctx context.Context, tr *v1alpha1.TaskRun) error
 			c.Logger.Errorf("Failed to create build pod for task %q :%v", err, tr.Name)
 			return nil
 		}
+		go c.timeoutHandler.WaitTaskRun(tr)
 	}
 	if err := c.tracker.Track(tr.GetBuildPodRef(), tr); err != nil {
 		c.Logger.Errorf("Failed to create tracker for build pod %q for taskrun %q: %v", tr.Name, tr.Name, err)