= Graceful Shutdown of an Openshift 4 Cluster
This SOP should be followed in the following scenarios:

- Graceful full shut down of the Openshift 4 cluster is required.

== Steps

Prequisite steps:
- Follow the SOP for cordoning and draining the nodes.
- Follow the SOP for creating an `etcd` backup.


1. Connect to the `os-control01` host associated with this ENV. Become root `sudo su -`.

2. Get a list of the nodes
+
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nodes=$(oc get nodes -o name  | sed -E "s/node\///")
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3. Shutdown the nodes from the administration box associated with the cluster `ENV` eg production/staging.
+
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for node in ${nodes[@]}; do ssh -i /root/ocp4/ocp-<ENV>/ssh/id_rsa core@$node sudo shutdown -h now; done
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=== Resources

- [1] https://docs.openshift.com/container-platform/4.5/backup_and_restore/graceful-cluster-shutdown.html[Graceful Cluster Shutdown]
