Unregister and delete completed pods (#346)

Co-authored-by: Lukas Hybner <git@hybner.net>

controllers/githubactionrunner_controller.go

@@ -359,11 +359,18 @@ func (r *GithubActionRunnerReconciler) unregisterRunner(ctx context.Context, cr
 
 // handleFinalization will remove runner from github based on presence of finalizer
 func (r *GithubActionRunnerReconciler) handleFinalization(ctx context.Context, cr *garov1alpha1.GithubActionRunner, list podRunnerPairList) error {
-	for _, item := range list.getPodsBeingDeletedOrEvicted() {
+	for _, item := range list.getPodsBeingDeletedOrEvictedOrCompleted() {
 		// TODO - cause of failure should be checked more closely, if it does not exist we can ignore it. If it is a comms error we should stick around
 		if err := r.unregisterRunner(ctx, cr, item); err != nil {
 			return err
 		}
+		if isCompleted(&item.pod) {
+			logr.FromContext(ctx).Info("Deleting succeeded pod", "podname", item.pod.Name)
+			err := r.DeleteResourceIfExists(ctx, &item.pod)
+			if err != nil {
+				return err
+			}
+		}
 	}
 
 	return nil

controllers/podrunner_types.go

@@ -93,8 +93,8 @@ func (r podRunnerPairList) getIdles(sortOrder v1alpha1.SortOrder, minTTL time.Du
 	return idles
 }
 
-func (r podRunnerPairList) getPodsBeingDeletedOrEvicted() []podRunnerPair {
+func (r podRunnerPairList) getPodsBeingDeletedOrEvictedOrCompleted() []podRunnerPair {
 	return funk.Filter(r.pairs, func(pair podRunnerPair) bool {
-		return util.IsBeingDeleted(&pair.pod) || isEvicted(&pair.pod)
+		return util.IsBeingDeleted(&pair.pod) || isEvicted(&pair.pod) || isCompleted(&pair.pod)
 	}).([]podRunnerPair)
 }

controllers/podutil.go

@@ -8,3 +8,7 @@ import (
 func isEvicted(pod *v1.Pod) bool {
 	return strings.Contains(pod.Status.Reason, "Evicted")
 }
+
+func isCompleted(pod *v1.Pod) bool {
+	return pod.Status.Phase == v1.PodSucceeded
+}