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doc: fix "Stop the pie" user manual to remove finalizers for probe Pods #123

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May 9, 2024
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doc: fix "Stop the pie" user manual to remove finalizers for probe Pods #123

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15 changes: 13 additions & 2 deletions docs/user-manual.md
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Original file line number Diff line number Diff line change
Expand Up @@ -21,15 +21,26 @@ To stop the pie, follow these steps:
$ NAMESPACE=<Set the namespace of the pie.>
$ kubectl -n ${NAMESPACE} scale deployments --replicas=0 pie
```
2. Wait for Pods to stop.
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2. Wait for the controller Pod to stop.
```console
$ watch kubectl -n ${NAMESPACE} get pods
```
3. Delete CronJobs (if exists).
```console
$ CRONJOBS_LIST=$(kubectl -n ${NAMESPACE} get cronjobs --no-headers=true | awk '{print $1}')
$ CRONJOBS_LIST=$(kubectl -n ${NAMESPACE} get cronjobs --no-headers=true | grep -E '^pie-probe-|^provision-probe-|^mount-probe-' | awk '{print $1}')
$ [ -n "${CRONJOBS_LIST}" ] && kubectl -n ${NAMESPACE} delete cronjobs ${CRONJOBS_LIST}
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```
4. Remove the pie's finalizers for the Pods.
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```console
$ PODs=$(kubectl get pod -n ${NAMESPACE} -o json | jq -r '.items[] | .metadata.name' | grep -E '^pie-probe-|^provision-probe-|^mount-probe-')
$ for POD in ${PODs}; do
kubectl patch pod -n ${NAMESPACE} ${POD} --type='json' -p='[{"op": "remove", "path": "/metadata/finalizers"}]'
$ done
```
5. Wait for all the probe Pods to stop.
```console
$ watch kubectl -n ${NAMESPACE} get pods
```

### Start the pie

Expand Down