Blog: Reconcile with kpt live apply

Reconcile with kpt live apply Configuration Waiting for resources to be reconciled Tagging and release notes kpt live apply Since the dawn of Jenkins X 3 the default last step of reconciling the state of the files in your cluster repository to your cluster has been to execute kubectl apply. You can find more details about this here. kubectl apply There are some drawbacks with kubectl apply though. The one that made me start looking for alternatives was that if you remove a resource from your cluster repository it may not be removed from your cluster. The way deletion works with kubectl apply is that it is handed the option --prune which will remove resources that are not in the manifests. Except that it doesn’t always work as expected. It will only remove certain kinds of resources defined in kubectl. In my case I removed an HorizontalPodAutoscaler from my cluster repository, but it wasn’t removed from my cluster. kubectl apply kubectl apply --prune When trying to find a solution to this I first tried to override this default list in kubectl of things to prune, but this turned out to be difficult in the general case. I also tried the already existing alternative of using kapp to apply the manifests, but I couldn’t get that to work. Looking for other options I settled for kpt live apply. kapp kpt live apply You enable the use of kpt live apply by adding kpt live apply KUBEAPPLY = kpt-apply KUBEAPPLY = kpt-apply to the Makefile of your cluster repository anywhere before include versionStream/src/Makefile.