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node-feature-discovery/docs/deployment/uninstallation.md
Markus Lehtonen 889fffd7d4 helm: add post-delete hook that cleans up the node 
This patch adds a post-delete hook to the Helm chart that runs
"nfd-master --prune" in the cluster. This cleans up the node of labels,
annotations, taints and extended resources that were created by NFD.
2023-12-29 15:36:41 +02:00

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Uninstallation default 6

Uninstallation

{: .no_toc}

Follow the uninstallation instructions of the deployment method used (kustomize, helm or operator).

Removing feature labels

NOTE: This is unnecessary when using the Helm chart for deployment as it will clean up the nodes when NFD is uninstalled.

NFD-Master has a special -prune command line flag for removing all nfd-related node labels, annotations, extended resources and taints from the cluster.

kubectl apply -k https://github.com/kubernetes-sigs/node-feature-discovery/deployment/overlays/prune?ref={{ site.release }}
kubectl -n node-feature-discovery wait job.batch/nfd-master --for=condition=complete && \
    kubectl delete -k https://github.com/kubernetes-sigs/node-feature-discovery/deployment/overlays/prune?ref={{ site.release }}

NOTE: You must run prune before removing the RBAC rules (serviceaccount, clusterrole and clusterrolebinding).