Uninstalling Watson Query

Important: IBM Cloud Pak® for Data Version 4.7 will reach end of support (EOS) on 31 July, 2025. For more information, see the Discontinuance of service announcement for IBM Cloud Pak for Data Version 4.X.

Upgrade to IBM Software Hub Version 5.1 before IBM Cloud Pak for Data Version 4.7 reaches end of support. For more information, see Upgrading IBM Software Hub in the IBM Software Hub Version 5.1 documentation.

An instance administrator can uninstall Watson Query.

Who needs to complete this task?

Instance administrator To uninstall Watson Query, you must be an instance administrator. An instance administrator has permission to manage software in the following projects:

The operators project for the instance: The operators for this instance of Cloud Pak for Data are installed in the operators project. In the uninstall commands, the ${PROJECT_CPD_INST_OPERATORS} environment variable refers to the operators project.
The operands project for the instance: The Cloud Pak for Data control plane and the services for this instance of Cloud Pak for Data are installed in the operands project. In the uninstall commands, the ${PROJECT_CPD_INST_OPERANDS} environment variable refers to the operands project.
The tethered projects for the instance: If any projects are tethered to the operands project, you have permission to manage the software in the tethered projects.

When do you need to complete this task?

Complete this task if you want to remove Watson Query from an instance of Cloud Pak for Data.

Repeat as needed If you are responsible for multiple instances of Cloud Pak for Data, you can repeat this task to remove other instances of Watson Query on the cluster.

Information you need to complete this task

Review the following information before you uninstall Watson Query:

Environment variables

The commands in this task use environment variables so that you can run the commands exactly as written.

If you don't have the script that defines the environment variables, see Setting up installation environment variables.
To use the environment variables from the script, you must source the environment variables before you run the commands in this task. For example, run:
```
source ./cpd_vars.sh
```

Procedure

Complete the following tasks to uninstall Watson Query:

Deleting service instances
Deleting optional configuration files.
Uninstalling the service

Deleting service instances

Before you uninstall Watson Query, you must delete any service instances that are associated with Watson Query to ensure that each instance releases the resources that it reserved.

Who needs to complete this task?: A user with the Manage service instances permission must complete this task.

When do you need to complete this task?: Complete this task before you uninstall Watson Query.

From the Cloud Pak for Data web client:

Log in to the web client as a user with sufficient permissions to complete the task.
From the menu, select Services > Instances.
Filter the list to show the watson-query type.
Delete each watson-query instance in the list.

Note: If you want to reprovision a Watson Query instance in a given namespace, delete the watson-query instance in that namespace and then reprovision the instance. Do not complete the steps in Uninstalling the service.

Deleting optional configuration files

If you are deleting service instances in tethered namespaces, you must manually delete the following configuration files:

cpd-dv-aux-ckpt-cm configmap
dv-aux-br-cm configmap

If you have configured either of the following two optional resources in your deployment, you must manually delete them:

krb5-config-files configmap
connection-ca-certs secret

Delete these files from the namespace where you just deleted the tethered instance in the Deleting service instances step. For example, if you deleted a watson-query instance from namespace tethered-1, delete the configmaps and the secret from the tethered-1 namespace.

Uninstalling the service

To uninstall Watson Query:

Run the cpd-cli manage login-to-ocp command to log in to the cluster as a user with sufficient permissions to complete this task. For example:
```
cpd-cli manage login-to-ocp \
--username=${OCP_USERNAME} \
--password=${OCP_PASSWORD} \
--server=${OCP_URL}
```
Tip: The login-to-ocp command takes the same input as the oc login command. Run oc login --help for details.
Delete the custom resource for the Watson Query service.
```
cpd-cli manage delete-cr \
--components=dv \
--cpd_instance_ns=${PROJECT_CPD_INST_OPERANDS}
```
Note: When you delete the service by using the cpd-cli command, running instances are not deleted from the OpenShift®cluster.
Wait for the cpd-cli to return the following message before you proceed to the next step:
```
[SUCCESS]... The delete-cr command ran successfully
```

Delete the OLM objects for Watson Query:

cpd-cli manage delete-olm-artifacts \
--cpd_operator_ns=${PROJECT_CPD_INST_OPERATORS} \
--components=dv

Wait for the cpd-cli to return the following message:

[SUCCESS]... The delete-olm-artifacts command ran successfully

What to do next

If IBM® Db2 Data Management Console was installed as part of Prerequisite services when you installed Watson Query and it is longer required, you can uninstall Db2® Data Management Console. For more information, see Uninstalling Db2 Data Management Console.