Uninstalling the IBM MQ Operator using the Red Hat OpenShift CLI

You can use the Red Hat® OpenShift® CLI to uninstall the IBM® MQ Operator from Red Hat OpenShift. There are differences in the uninstall process, depending on whether the IBM MQ Operator is installed in a single namespace, or installed and available to all namespaces on the cluster.

Before you begin

Procedure

If the IBM MQ Operator is installed in a single namespace, complete the following substeps:
1. Ensure you are in the correct project:
```
oc project <project_name>
```
2. View the queue managers installed in the project:
```
oc get qmgr
```
3. Delete one or more queue managers:
```
oc delete qmgr <qmgr_name>
```
  Note that, although these queue managers continue to run, they might not function as expected without an IBM MQ Operator.
4. View the ClusterServiceVersion instances:
```
oc get csv
```
5. Delete the IBM MQ ClusterServiceVersion:
```
oc delete csv <ibm_mq_csv_name>
```
6. View the subscriptions:
```
oc get subscription
```
7. Delete all subscriptions:
```
oc delete subscription <ibm_mq_subscription_name>
```
8. Optional: If nothing else is using common services, you might want to uninstall the common services operator, and delete the operator group:
  1. Uninstall the common services operator, by following the instructions in Uninstalling common services in the IBM Cloud Pak® foundational services product documentation.
  2. View the operator group:
```
oc get operatorgroup
```
  3. Delete the operator group:
```
oc delete OperatorGroup <operator_group_name>
```
If the IBM MQ Operator is installed and available to all namespaces on the cluster, complete the following substeps:
1. View all the installed queue managers:
```
oc get qmgr -A
```
2. Delete one or more queue managers:
```
oc delete qmgr <qmgr_name> -n <namespace_name>
```
  Note that, although these queue managers continue to run, they might not function as expected without an IBM MQ Operator.
3. View the ClusterServiceVersion instances:
```
oc get csv -A
```
4. Delete the IBM MQ ClusterServiceVersion from the cluster:
```
oc delete csv <ibm_mq_csv_name> -n openshift-operators
```
5. View the subscriptions:
```
oc get subscription -n openshift-operators
```
6. Delete the subscriptions:
```
oc delete subscription <ibm_mq_subscription_name> -n openshift-operators
```
7. If you are using Red Hat OpenShift Container Platform 4.7, you might need to manually delete the validating web hook:
```
oc delete validatingwebhookconfiguration namespace.validator.queuemanagers.mq.ibm.com
```
8. Optional: If nothing else is using common services, you might want to uninstall the common services operator:
  
  Follow the instructions in Uninstalling common services in the IBM Cloud Pak foundational services product documentation.