Add docker image for ceph-rbd backups

2026-10-02 23:34:52 +02:00
parent d61cc8627b
commit 0105c98ce5
3 changed files with 36 additions and 0 deletions
--- a/ceph-rbd-backup/script.sh
+++ b/ceph-rbd-backup/script.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+CEPH_USERNAME="${CEPH_USERNAME:-}"
+RBD_POOL="${RBD_POOL:-}"
+RBD_IMAGE_ID="${RBD_IMAGE_ID:-}"
+SNAPSHOT_ID="${SNAPSHOT_ID:-}"
+OUTPUT_FILE="${OUTPUT_FILE:-}"
+
+# Create the snapshot
+rbd --name ${CEPH_USERNAME} snap create ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID};
+
+# Export the snapshot to a file
+rbd --name ${CEPH_USERNAME} export --export-format 2 ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID} - | zstd -T1 -3 ${OUTPUT_FILE};
+touch ${OUTPUT_FILE}.done;
+
+ls -al ${OUTPUT_FILE};
+
+# Remove the snapshot again
+rbd --name ${CEPH_USERNAME} snap rm ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID};