66 lines
2.2 KiB
Text
66 lines
2.2 KiB
Text
|
#!/usr/bin/env bash
|
||
|
|
# tools/cmd/railiance-restore-s2 — S2 Kubernetes Runtime restore guide
|
||
|
|
# Lists available backups and prints restore instructions.
|
||
|
|
# Actual restore of etcd requires cluster downtime — see instructions below.
|
||
|
|
set -euo pipefail
|
||
|
|
|
||
|
|
BACKUP_DIR="/opt/backup/railiance/cluster"
|
||
|
|
AGE_KEY="${HOME}/.config/sops/age/keys.txt"
|
||
|
|
|
||
|
|
echo ""
|
||
|
|
echo "railiance-cluster (S2) — Available Backups"
|
||
|
|
echo "============================================"
|
||
|
|
echo ""
|
||
|
|
|
||
|
|
if [[ ! -d "${BACKUP_DIR}" ]]; then
|
||
|
|
echo " No backup directory found at ${BACKUP_DIR}"
|
||
|
|
echo " Run: sudo make backup"
|
||
|
|
exit 1
|
||
|
|
fi
|
||
|
|
|
||
|
|
LAST=""
|
||
|
|
[[ -f "${BACKUP_DIR}/.last-backup" ]] && LAST="$(cat "${BACKUP_DIR}/.last-backup")"
|
||
|
|
[[ -n "${LAST}" ]] && echo " Last backup: ${LAST}" || echo " Last backup: unknown"
|
||
|
|
echo ""
|
||
|
|
|
||
|
|
list_type() {
|
||
|
|
local label="$1" pattern="$2"
|
||
|
|
echo " ${label}:"
|
||
|
|
local files
|
||
|
|
files="$(find "${BACKUP_DIR}" -name "${pattern}" 2>/dev/null | sort -r)"
|
||
|
|
if [[ -z "${files}" ]]; then
|
||
|
|
echo " (none)"
|
||
|
|
else
|
||
|
|
echo "${files}" | while read -r f; do
|
||
|
|
echo " $(basename "${f}") [$(du -sh "${f}" | cut -f1)]"
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
echo ""
|
||
|
|
}
|
||
|
|
|
||
|
|
list_type "etcd snapshots" "etcd-*.snap.age"
|
||
|
|
list_type "Helm values" "helm-values-*.tar.gz.age"
|
||
|
|
list_type "kubeconfig" "kubeconfig-*.yaml.age"
|
||
|
|
|
||
|
|
echo "============================================"
|
||
|
|
echo ""
|
||
|
|
echo "Decrypt any file:"
|
||
|
|
echo " age -d -i ${AGE_KEY} <file>"
|
||
|
|
echo ""
|
||
|
|
echo "Restore kubeconfig:"
|
||
|
|
echo " age -d -i ${AGE_KEY} ${BACKUP_DIR}/kubeconfig-<ts>.yaml.age > ~/.kube/config-hosteurope"
|
||
|
|
echo ""
|
||
|
|
echo "Restore etcd snapshot (WARNING: destroys current cluster state):"
|
||
|
|
echo " # 1. Decrypt the snapshot"
|
||
|
|
echo " age -d -i ${AGE_KEY} ${BACKUP_DIR}/etcd-<ts>.snap.age > /tmp/etcd-restore.snap"
|
||
|
|
echo " # 2. Copy to k3s snapshot directory"
|
||
|
|
echo " sudo cp /tmp/etcd-restore.snap /var/lib/rancher/k3s/server/db/snapshots/"
|
||
|
|
echo " # 3. Stop k3s and restore"
|
||
|
|
echo " sudo systemctl stop k3s"
|
||
|
|
echo " sudo k3s server --cluster-reset --cluster-reset-restore-path=/var/lib/rancher/k3s/server/db/snapshots/etcd-restore.snap"
|
||
|
|
echo " sudo systemctl start k3s"
|
||
|
|
echo ""
|
||
|
|
echo "Restore Helm values (for re-running helm upgrade after cluster restore):"
|
||
|
|
echo " age -d -i ${AGE_KEY} ${BACKUP_DIR}/helm-values-<ts>.tar.gz.age | tar -xz -C /tmp/helm-restore/"
|
||
|
|
echo ""
|