Uninstallation Guide - OCI (4.2)

Owned by Kam Heng Choy
Last updated: Aug 23, 2024 by Felicity Borrelli
1 min read

These uninstallation steps must be performed in sequence to ensure that all resources are being removed systematically.

Usage Engine Private Edition

Wait for few minutes for the External-DNS to cleanup OCI DNS hosted zone records. All records deleted except SOA and NS records.

Hint!

To monitor the hosted zone records cleanup, refresh the OCI DNS console, Networking | DNS Management | Zones | Public zones section.

Kubernetes Cluster Add-ons

To uninstall Add-ons from the Kubernetes cluster, run:

helm uninstall oci-native-ingress-controller -n uepe
helm uninstall external-dns -n uepe
helm uninstall ingress-nginx -n uepe

Cert Manager

To uninstall cert-manager-webhook-oci from the Kubernetes cluster, run:

cert-manager needs to be uninstalled manually under name-space cert-manager as it was added to the cluster via OCI Cluster add-ons.

OCI Resources

Manually delete unused load balancer Certificates and CA Bundles from the OCI Certificate Service via the OCI console.

Delete Persistent Volume Claim (PVC) and Persistent Volume (PV) if they had been created before.

Change directory to the terraform script directory and run the following command to remove all OCI resources created (cluster, Virtual Cloud Networks, persistent storage etc):