mirror of
https://github.com/home-assistant/operating-system.git
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6672046b6f
* Make the datactl command more robust Validate target disk (partition) size to avoid a copy attempt which will fail. If e2image operation fails, make sure the leftover copy is not regonized as data partition. * Fix hassos-data service device unit dependencies
34 lines
1.5 KiB
Bash
Executable File
34 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# ==============================================================================
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# Home Assistant OS data partition migration script
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# ==============================================================================
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set -e
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# Rely on systemd-udev symlinks to find current data partition by fs label
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OLD_DEVICE_CHILD="$(readlink -f "/dev/disk/by-label/hassos-data")"
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# Rely on systemd-udev symlinks to find external data partition by partlabel
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NEW_DEVICE_CHILD="$(readlink -f "/dev/disk/by-partlabel/hassos-data-external")"
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NEW_DEVICE_PART_SIZE=$(cat "/sys/class/block/$(basename "${NEW_DEVICE_CHILD}")/size")
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OLD_DEVICE_PART_SIZE=$(cat "/sys/class/block/$(basename "${OLD_DEVICE_CHILD}")/size")
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if [ "${NEW_DEVICE_PART_SIZE}" -lt "${OLD_DEVICE_PART_SIZE}" ]; then
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echo "[INFO] Target device too small!"
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exit 1
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fi
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echo "[INFO] Moving data from ${OLD_DEVICE_CHILD} to ${NEW_DEVICE_CHILD}"
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if ! e2image -ra -p "${OLD_DEVICE_CHILD}" "${NEW_DEVICE_CHILD}"; then
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echo "[ERROR] Copying data partition to external device failed!"
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# Rename partition to make sure HAOS does not try to mount a failed copy attempt.
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e2label "${NEW_DEVICE_CHILD}" hassos-data-failed || true
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exit 1
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fi
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# At this point we have two partition with the same fs label. Make sure
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# to rename the internal partition so we won't mount it anymore.
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echo "[INFO] Rename old hassos-data partition ${OLD_DEVICE_CHILD}"
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e2label "${OLD_DEVICE_CHILD}" hassos-data-old
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echo "[INFO] Data move has been completed successfully"
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