10 Removing a Kubernetes Cluster
Important:
The software described in this documentation is either in Extended Support or Sustaining Support. See Oracle Open Source Support Policies for more information.
We recommend that you upgrade the software described by this documentation as soon as possible.
If you want to remove a Kubernetes cluster, use the olcnectl
module uninstall
command. For example, to uninstall the
Kubernetes module named mycluster
:
olcnectl module uninstall \ --environment-name myenvironment \ --name mycluster
On each node, the Kubernetes containers are stopped and deleted, the
Kubernetes cluster is removed, and the kubelet
service
is stopped.
Uninstalling a module also removes the module configuration from the
Platform API Server. If you uninstall a module and want to reinstall
it, you need to create the module again using the olcnectl
module create
command.
Tip:
If you reinstall a Kubernetes module on hosts that were previously used in
a Kubernetes cluster, you may need to run the sudo kubeadm reset -f
command on
each node before you redeploy the module.