Chapter 1. Uninstalling OpenShift Service Mesh

Procedure

1. Delete the Istio resource:

   1. In the OpenShift web console, click Operators Installed Operators.
   2. Click Istio in the Provided APIs column.
   3. Click the Options menu Delete Istio.
   4. At the prompt to confirm the action, click Delete.

2. Delete the IstioCNI resource:

   1. In the OpenShift web console, click Operators Installed Operators.
   2. Click IstioCNI in the Provided APIs column.
   3. Click the Options menu Delete IstioCNI.
   4. At the prompt to confirm the action, click Delete.

3. Uninstall Red Hat OpenShift Service Mesh 3 Operator:

   1. In the OpenShift web console, click Operators Installed Operators.
   2. Locate Red Hat OpenShift Service Mesh 3 Operator.
   3. Click the Options menu Uninstall Operator.
   4. At the prompt to confirm the action, select the Delete all operand instances for this operator checkbox.
   5. Click Uninstall.

4. Delete the istio-system project:

   1. In the OpenShift web console, click Home Projects.
   2. Locate the name of the istio-system project.
   3. Click the Options menu Delete Project.
   4. At the prompt to confirm the action, enter the name of the project.
   5. Click Delete.

5. Delete the istio-cni project:

   1. In the OpenShift web console, click Home Projects.
   2. Locate the name of the istio-cni project.
   3. Click the Options menu Delete Project.
   4. At the prompt to confirm the action, enter the name of the project.
   5. Click Delete.

Procedure

1. Delete the Istio resource:

   1. Retrieve the Istio resource name by running the following command:

      $ oc get istio -n istio-system

   2. Replace <name_of_custom_resource> with the output from the previous command, and run the following command to remove the custom resource:

      $ oc delete istio/<name_of_custom_resource>

2. Delete the IstioCNI resource:

   1. Retrieve the name of the IstioCNI resource by running the following command:

      $ oc get istioCNI -n istio-system

   2. Replace <name_of_custom_resource> with the output from the previous command, and run the following command to remove the custom resource:

      $ oc delete istioCNI/<name_of_custom_resource>

3. Delete the istio-system and istio-cni projects:

   1. Delete the istio-system namespace by running the following command:

      $ oc delete ns istio-system

   2. Delete the istio-cni namespace by running the following command:

      $ oc delete ns istio-cni

4. Uninstall OpenShift Service Mesh Operator 3:

   1. Delete the servicemeshoperator3 subscription:

      $ oc delete subscription servicemeshoperator3 -n openshift-operators

      Example output

      output: subscription.operators.coreos.com "servicemeshoperator3" deleted

   2. Check the current version of the servicemeshoperator3 subscribed Operator in the currentCSV field by running the following command:

      $ oc get clusterserviceversion -n openshift-operators | grep servicemeshoperator3 | awk '{print $1}'

      Example output

      output: currentCSV: servicemeshoperator3.v3.0.0

   3. Delete the cluster service version (CSV) for the Operator in the target namespace using the currentCSV value from the previous step:

      $ oc delete clusterserviceversion servicemeshoperator3.v3.0.0 -n openshift-operators

      Example output

      clusterserviceversion.operators.coreos.com "servicemeshoperator3.v3.0.0" deleted.

Procedure

1. To delete the Istio CRDs, run the following command: