Add notes on deleting an operator CR

This commit introduces documentation detailing how to delete an operator
CR.

Signed-off-by: Alexander Greene <[email protected]>

Author: awgreene

content/en/docs/Tasks/uninstall-operator.md

@@ -67,3 +67,17 @@ kubectl delete csv $CSV -n <namespace>
 ## Step 4: Deciding whether or not to delete the CRDs and APIServices
 
 The final step consists of deciding whether or not to delete the CRDs and APIServices that were introduced to the cluster by the operator. Assuming you have already deleted all unwanted resources on cluster as enumerated in Step 1, if no resources remain it is safe to remove the CRD or APISerivces. Otherwise, you should not delete the type as the wanted resources will be deleted automatically when the CRD or APISerivce is deleted.
+
+## Step 5: Deleting the Operator CR
+
+OLM recently introduced the view-only [operator CRD](https://github.com/operator-framework/api/blob/7339a22050af53df7b6f97a652b8e2d73698765a/crds/operators.coreos.com_operators.yaml) which communicates the list of resources associated with an operator installed by OLM. When installing an operator, OLM will create an `operator CR` named:
+- `<packageName>` if the operator is All Namespaced scoped.
+- `<packageName>.<Namespace>` if the operator is not All Namespaced scoped.
+
+OLM will then the update the `operator CR's status.Components` array to include any resources associated with the operator. Let's consider OLM's behavior after creating the `operator CR` named `foo` :
+- All resources associated with the `foo operator CR` will have the `operators.coreos.com/foo` label applied to it.
+- OLM will create or recreate the `foo operator CR` if any resources exist with the `operators.coreos.com/foo` label.
+
+This ultimately means that in order to delete the `foo operator CR` users will need to ensure that no resources are labeled with the `operators.coreos.com/foo` label. Typically, an `operator CR` can be deleted after completing steps 1 through 4 above. However, if a user is still unable to delete an operator, they should:
+1. Delete each resource found in the `operator CR's status.Components` array. Alternatively, if you have deleted the operator's CSV and Subscription you may remove the `operators.coreos.com/foo` label from any resources you do not wish to delete.
+2. Delete the `operator CR`.