37 lines
1.2 KiB
Bash
37 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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set -eu
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BOOT="$IMG/boot.img"
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[ ! -f "$BOOT" ] && echo "ERROR: Boot image does not exist ($BOOT)" && exit 81
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DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
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DATA_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
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DATA="$IMG/data${DISK_SIZE}.img"
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if [ ! -f "$DATA" ]; then
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# Check free diskspace
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SPACE=$(df --output=avail -B 1 "$IMG" | tail -n 1)
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if (( DATA_SIZE > SPACE )); then
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echo "ERROR: Not enough free space to create virtual disk." && exit 82
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fi
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if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
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rm -f "${DATA}"
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echo "ERROR: Could not allocate file for virtual disk." && exit 82
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fi
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fi
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[ ! -f "$DATA" ] && echo "ERROR: Data image does not exist ($DATA)" && exit 83
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KVM_DISK_OPTS="\
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-drive id=cdrom0,if=none,format=raw,readonly=on,file=${BOOT} \
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-device virtio-scsi-pci,id=scsi0 \
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-device scsi-cd,bus=scsi0.0,drive=cdrom0 \
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-device virtio-scsi-pci,id=hw-userdata,bus=pcie.0,addr=0xa \
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-drive file=${DATA},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=1"
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