In my earlier post, I have shown the steps to attach/register TKG clusters using TMC CLI, now let me explain the process of detaching and deregistering the clusters using TMC Console.
Detach the workload cluster from TMC Console
In TMC Console: Clusters > select the cluster capv-workload > Actions (can be located in top right corner) > Detach
provide the name : capv-workload > DETACH
Verify the pod status, should take few mins to complete
# Get the admin credentials of the workload cluster. In this case, capv-workload is workload cluster:
$ tanzu cluster kubeconfig get capv-workload --admin
# Set the context of kubectl to the cluster
$ kubectl config use-context capv-workload-admin@capv-workload
kubectl get pods -n vmware-system-tmc
Deregister the management cluster from TMC Console
In TMC Console: Administration > Management clusters > click on capv-mgmt > Actions (can be located in top right corner) > Deregister
Provide name: capv-mgmt and DEREGISTER
Verify the pod termination status in management cluster context, should take few mins to complete
# Ensure the context is pointing to management cluster, In this case capv-mgmt is the management cluster.
kubectl config get-contexts
CURRENT NAME CLUSTER AUTHINFO NAMESPACE
* capv-mgmt-admin@capv-mgmt capv-mgmt capv-mgmt-admin
# Check the pods
kubectl get pods -n vmware-system-tmc
List the management clusters and capv-mgmt should be missing
tmc managementcluster list
Delete the workload cluster using Tanzu CLI
Once deletion is completed, check the cluster list
tanzu cluster list
Delete the management cluster using Tanzu CLI
Get management cluster info
tanzu mc get
Ref
Delete Management cluster using Tanzu CLI, should take 15 mins to complete
