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Uninstalling the web terminal

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Uninstalling the Web Terminal Operator does not remove any of the custom resource definitions (CRDs) or managed resources that are created when the Operator is installed. For security purposes, you must manually uninstall these components. By removing these components, you save cluster resources because terminals do not idle when the Operator is uninstalled.

Uninstalling the web terminal is a two-step process:

  1. Uninstall the Web Terminal Operator and related custom resources (CRs) that were added when you installed the Operator.

  2. Uninstall the DevWorkspace Operator and its related custom resources that were added as a dependency of the Web Terminal Operator.

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Removing the Web Terminal Operator

You can uninstall the web terminal by removing the Web Terminal Operator and custom resources used by the Operator.

Prerequisites

  • You have access to an Red Hat OpenShift Service on AWS cluster with cluster administrator permissions.

  • You have installed the oc CLI.

Procedure

  1. In the Administrator perspective of the web console, navigate to Operators → Installed Operators.

  2. Scroll the filter list or type a keyword into the Filter by name box to find the Web Terminal Operator.

  3. Click the Options menu kebab for the Web Terminal Operator, and then select Uninstall Operator.

  4. In the Uninstall Operator confirmation dialog box, click Uninstall to remove the Operator, Operator deployments, and pods from the cluster. The Operator stops running and no longer receives updates.

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Removing the DevWorkspace Operator

To completely uninstall the web terminal, you must also remove the DevWorkspace Operator and custom resources used by the Operator.

The DevWorkspace Operator is a standalone Operator and may be required as a dependency for other Operators installed in the cluster. Follow the steps below only if you are sure that the DevWorkspace Operator is no longer needed.
Prerequisites

  • You have access to an Red Hat OpenShift Service on AWS cluster with cluster administrator permissions.

  • You have installed the oc CLI.

Procedure

  1. Remove the DevWorkspace custom resources used by the Operator, along with any related Kubernetes objects:

    $ oc delete devworkspaces.workspace.devfile.io --all-namespaces --all --wait
    $ oc delete devworkspaceroutings.controller.devfile.io --all-namespaces --all --wait

    If this step is not complete, finalizers make it difficult to fully uninstall the Operator.

  2. Remove any remaining services, secrets, and config maps. Depending on the installation, some resources included in the following commands may not exist in the cluster.

    $ oc delete all --selector app.kubernetes.io/part-of=devworkspace-operator,app.kubernetes.io/name=devworkspace-webhook-server -n openshift-operators
    $ oc delete serviceaccounts devworkspace-webhook-server -n openshift-operators
    $ oc delete clusterrole devworkspace-webhook-server
    $ oc delete clusterrolebinding devworkspace-webhook-server

  3. Uninstall the DevWorkspace Operator:

    1. In the Administrator perspective of the web console, navigate to Operators → Installed Operators.

    2. Scroll the filter list or type a keyword into the Filter by name box to find the DevWorkspace Operator.

    3. Click the Options menu kebab for the Operator, and then select Uninstall Operator.

    4. In the Uninstall Operator confirmation dialog box, click Uninstall to remove the Operator, Operator deployments, and pods from the cluster. The Operator stops running and no longer receives updates.