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ocp4 sops moved into sysadmin_guide

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Signed-off-by: David Kirwan <davidkirwanirl@gmail.com>
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David Kirwan 2024-07-22 10:37:01 +01:00
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modules/sysadmin_guide/pages/sop_etcd_backup.adoc Normal file
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= Create etcd backup
This SOP should be followed in the following scenarios:
- When the need exists to create an etcd backup.
- When shutting a cluster down gracefully.
== Resources
- [1] https://docs.openshift.com/container-platform/4.8/backup_and_restore/backing-up-etcd.html[Creating an etcd backup]
== Take etcd backup
1. Connect to the `os-control01` node associated with the ENV.
2. Use the `oc` tool to make a debug connection to a controlplane node
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oc debug node/<node_name>
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3. Chroot to the /host directory on the containers filesystem
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sh-4.2# chroot /host
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4. Run the cluster-backup.sh script and pass in the location to save the backup to
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sh-4.4# /usr/local/bin/cluster-backup.sh /home/core/assets/backup
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5. Chown the backup files to be owned by user `core` and group `core`
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chown -R core:core /home/core/assets/backup
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6. From the admin machine, see inventory group: `ocp-ci-management`, become the Openshift service account, see the inventory hostvars for the host identified in the previous step and note the `ocp_service_account` variable.
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ssh <host>
sudo su - <ocp_service_account>
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7. Copy the files down to the `os-control01` machine.
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scp -i <ssh_key> core@<node_name>:/home/core/assets/backup/* ocp_backups/
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