Uninstalling Watson Query

A project administrator can uninstall Watson Query.

What permissions do you need to complete this task?
The permissions that you need depend on which tasks you must complete:
  • To uninstall Watson Query, you must be an administrator of the project where Watson Query is installed. This project is identified by the ${PROJECT_CPD_INSTANCE} environment variable.
  • To uninstall the Watson Query operators, you must be an administrator of the project where the Cloud Pak for Data operators are installed. This project is identified by the ${PROJECT_CPD_OPS} environment variable.
When do you need to complete this task?
Complete this task if you want to remove a running instance of Watson Query from your environment.

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:
    source ./cpd_vars.sh
Installation location
Watson Query is installed in the same project (namespace) as the Cloud Pak for Data control plane. This project is identified by the ${PROJECT_CPD_INSTANCE} environment variable.

Procedure

To uninstall Watson Query, complete the following steps.

  1. Delete the service instance.
  2. Log in to the cluster.
  3. Uninstall the service.
  4. Uninstall the operator.
  5. Find out what to do next.

Deleting the service instance

Before you uninstall Watson Query, you must delete the Watson Query service instance. This ensures that the instance releases any 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:

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

Logging in to the cluster

To run cpd-cli manage commands, you must log in to the cluster.

To log in to the cluster:

  1. 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.

Uninstalling the service

Who needs to complete this task?
You must be an administrator of the project where Watson Query is installed.
When do you need to complete this task?
Complete this task if you want to remove Watson Query from your deployment.

If you installed Watson Query in multiple projects, you must complete this task for each instance of Watson Query that you want to uninstall.

To uninstall the service:

  1. Delete the custom resource for Watson Query.
    cpd-cli manage delete-cr \
--components=dv \
--cpd_instance_ns=${PROJECT_CPD_INSTANCE}

Uninstalling the operator

Who needs to complete this task?
You must be an administrator with the appropriate permissions to manage OLM objects.
When do you need to complete this task?
Complete this task only if you want to completely remove the Watson Query software from the cluster.

To uninstall the operator and other OLM objects:

  1. Delete the OLM objects for Watson Query:
    cpd-cli manage delete-olm-artifacts \
--cpd_operator_ns=${PROJECT_CPD_OPS} \
--components=dv
    • If the command succeeds, it returns [SUCCESS]... The delete-olm-artifacts command ran successfully.
    • If the command fails, it returns [ERROR] and includes information about the cause of the failure.

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.