Loop through ownerReferences to find the rollout reference.

If we pass belongs to rollout check, we know there is a rollout to find.

Signed-off-by: mitchell amihod <4623+meeech@users.noreply.github.com>

experiments/experiment.go

@@ -420,7 +420,13 @@ func (ec *experimentContext) reconcileAnalysisRun(analysis v1alpha1.ExperimentAn
 			// This makes sure the rollout gets the Analysis Run events, which will then trigger any subscribed notifications
 			// #4009
 			if experimentutil.BelongsToRollout(ec.ex) {
-				roRef := ec.ex.OwnerReferences[0]
+				var roRef metav1.OwnerReference
+				for _, owner := range ec.ex.OwnerReferences {
+					if owner.Kind == "Rollout" {
+						roRef = owner
+					}
+				}
+
 				rollout, err := ec.argoProjClientset.ArgoprojV1alpha1().Rollouts(ec.ex.Namespace).Get(context.TODO(), roRef.Name, metav1.GetOptions{})
 				if err != nil {
 					ec.log.Warnf("Failed to get parent Rollout of the Experiment '%s': %v", roRef.Name, err)

utils/experiment/experiment.go

@@ -23,7 +23,12 @@ func BelongsToRollout(experiment *v1alpha1.Experiment) bool {
 		return false
 	}
 
-	return experiment.OwnerReferences[0].Kind == "Rollout"
+	for _, owner := range experiment.OwnerReferences {
+		if owner.Kind == "Rollout" {
+			return true
+		}
+	}
+	return false
 }
 
 func HasFinished(experiment *v1alpha1.Experiment) bool {