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Correct disk initialisation logic

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Martin Wimpress 2020-03-20 15:31:24 +00:00
parent a688c798f5
commit ed601549c0
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GPG key ID: 61DF940515E06DA3
1 changed files with 11 additions and 14 deletions
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25
quickemu
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@ -53,15 +53,12 @@ function vm_boot() {
echo "Starting ${VM}"
echo " - QEMU: ${QEMU} v${QEMU_VER}"
if [ -n "${disk_img}" ]; then
disk_img_snapshot="${disk_img}.snapshot"
else
if [ -z "${disk_img}" ]; then
echo "ERROR! No disk_img defined."
exit 1
fi
fi
readonly disk_min_size=395264
local disk_curr_size=$(stat -c%s "${disk_img}")
if [ -z "${disk}" ]; then
disk="64G"
fi
@ -84,21 +81,21 @@ function vm_boot() {
echo " - Disk: ${disk_img} (${disk})"
if [ ! -f "${disk_img}" ]; then
# If there is no disk image, create a new image.
${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}"
${QEMU_IMG} create -q -f qcow2 "${disk_img}" "${disk}"
echo " Just created, booting from ${iso}"
if [ $? -ne 0 ]; then
echo "ERROR! Failed to create ${disk_img} of ${disk}. Stopping here."
exit 1
fi
elif [ -e ${disk_img} ] && [ ${disk_curr_size} -le ${disk_min_size} ]; then
elif [ -e ${disk_img} ]; then
disk_curr_size=$(stat -c%s "${disk_img}")
if [ ${disk_curr_size} -le ${disk_min_size} ]; then
echo " Looks unused, booting from ${iso}"
else
# If there is a disk image, that appears to have an install
# then do not boot from the iso
iso=""
fi
if [ -e ${disk_img_snapshot} ]; then
echo " - Snapshot: ${disk_img_snapshot}"
else
# If there is a disk image, that appears to have an install
# then do not boot from the iso
iso=""
fi
fi
local cores="1"