22 lines
623 B
Bash
22 lines
623 B
Bash
#!/usr/bin/env bash
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set -euo pipefail
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CEPH_USERNAME="${CEPH_USERNAME:-}"
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RBD_POOL="${RBD_POOL:-}"
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RBD_IMAGE_ID="${RBD_IMAGE_ID:-}"
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SNAPSHOT_ID="${SNAPSHOT_ID:-}"
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OUTPUT_FILE="${OUTPUT_FILE:-}"
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# Create the snapshot
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rbd --name ${CEPH_USERNAME} snap create ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID};
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# Export the snapshot to a file
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rbd --name ${CEPH_USERNAME} export --export-format 2 ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID} - | zstd -T1 -3 ${OUTPUT_FILE};
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touch ${OUTPUT_FILE}.done;
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ls -al ${OUTPUT_FILE};
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# Remove the snapshot again
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rbd --name ${CEPH_USERNAME} snap rm ${RBD_POOL}/${RBD_IMAGE_ID}@${SNAPSHOT_ID};
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