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https://github.com/vdsm/virtual-dsm.git
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56 lines
2.3 KiB
Bash
56 lines
2.3 KiB
Bash
#!/usr/bin/env bash
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set -eu
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IMG="/storage"
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BASE=$(basename "$URL" .pat)
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FILE="$IMG/$BASE.boot.img"
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[ ! -f "$FILE" ] && echo "ERROR: Virtual DSM boot-image does not exist ($FILE)" && exit 81
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FILE="$IMG/$BASE.system.img"
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[ ! -f "$FILE" ] && echo "ERROR: Virtual DSM system-image does not exist ($FILE)" && exit 82
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DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
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NEW_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
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FILE="$IMG/data$DISK_SIZE.img"
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if [ ! -f "$FILE" ]; then
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# Create an empty file
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truncate -s "${NEW_SIZE}" "${FILE}"
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# Format as BTRFS filesystem
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mkfs.btrfs -q -L data -d single -m dup "${FILE}" > /dev/null
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fi
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[ ! -f "$FILE" ] && echo "ERROR: Virtual DSM data-image does not exist ($FILE)" && exit 83
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# Resizing requires mounting a loop device which in turn requires
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# the container to be privileged, so we must disable it for now.
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#
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# OLD_SIZE=$(stat -c%s "${FILE}")
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#
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# if [ "$NEW_SIZE" -ne "$OLD_SIZE" ]; then
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# echo "Resizing data disk from $OLD_SIZE to $NEW_SIZE bytes"
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#
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# if [ "$NEW_SIZE" -gt "$OLD_SIZE" ]; then
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# truncate -s "${NEW_SIZE}" "${FILE}"
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# btrfs filesystem resize "${NEW_SIZE}" "${FILE}"
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# fi
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#
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# if [ "$NEW_SIZE" -lt "$OLD_SIZE" ]; then
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# btrfs filesystem resize "${NEW_SIZE}" "${FILE}"
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# truncate -s "${NEW_SIZE}" "${FILE}"
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# fi
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# fi
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KVM_DISK_OPTS="\
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-device virtio-scsi-pci,id=hw-synoboot,bus=pcie.0,addr=0xa \
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-drive file=${IMG}/${BASE}.boot.img,if=none,id=drive-synoboot,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
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-device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,rotation_rate=1,bootindex=1 \
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-device virtio-scsi-pci,id=hw-synosys,bus=pcie.0,addr=0xb \
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-drive file=${IMG}/${BASE}.system.img,if=none,id=drive-synosys,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
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-device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,rotation_rate=1,bootindex=2 \
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-device virtio-scsi-pci,id=hw-userdata,bus=pcie.0,addr=0xc \
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-drive file=${IMG}/data${DISK_SIZE}.img,if=none,id=drive-userdata,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
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-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,rotation_rate=1,bootindex=3"
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