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Merge pull request #11256 from subhamkrai/update-disator-recov-doc

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docs: update disaster recovery guide for webhook
This commit is contained in:
Travis Nielsen
2022-11-03 08:05:45 -06:00
committed by GitHub
parent f2cc272e23 0dbfc66498
commit 64300f1ba5
1 changed files with 6 additions and 21 deletions
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Documentation/Troubleshooting/disaster-recovery.md
+6 -21
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@@ -57,18 +57,10 @@ the CRs to their prior state without even necessarily suffering cluster downtime
kubectl -n rook-ceph get configmap -o yaml > configmaps.yaml
```
3. Back up and remove the `ValidatingWebhookConfiguration`. This is the resource which connects Rook custom resources to the
operator pod's validating webhook. Because the operator is unavailable, we must temporarily disable the valdiating webhook in
order to make changes.
1. Save the `ValidatingWebhookConfiguration` responsible for controlling Rook resources. (These are not namespaced
resources.)
```console
kubectl get ValidatingWebhookConfiguration rook-ceph-webhook -o yaml > rook-ceph-webhook.yaml
```
2. Delete the `ValidatingWebhookConfiguration`.
3. (Optional, if webhook is enabled)
Delete the `ValidatingWebhookConfiguration`. This is the resource which connects Rook custom resources
to the operator pod's validating webhook. Because the operator is unavailable, we must temporarily disable
the valdiating webhook in order to make changes.
```console
kubectl delete ValidatingWebhookConfiguration rook-ceph-webhook
@@ -144,20 +136,13 @@ the CRs to their prior state without even necessarily suffering cluster downtime
2. Remove the finalizer and confirm the CR is deleted (the underlying Ceph resources will be preserved)
3. Create the CR again
8. Restore the `ValidatingWebhookConfiguration`.
```console
kubectl create -f rook-ceph-webhook.yaml
```
9. Scale up the operator
8. Scale up the operator
```console
kubectl -n rook-ceph scale --replicas=1 deploy/rook-ceph-operator
```
10. Watch the operator log to confirm that the reconcile completes successfully.
9. Watch the operator log to confirm that the reconcile completes successfully.
```console
kubectl -n rook-ceph logs -f deployment/rook-ceph-operator