Sync
This commit is contained in:
Kroese
GitHub
parent
2897ef6a02
commit
ede16d8863
1 changed files with 71 additions and 27 deletions
98
run/disk.sh
98
run/disk.sh
|
|
@ -1,6 +1,12 @@
|
|||
#!/usr/bin/env bash
|
||||
set -eu
|
||||
|
||||
# Docker environment variabeles
|
||||
|
||||
: ${DISK_IO:='native'} # I/O Mode, can be set to 'native', 'threads' or 'io_turing'
|
||||
: ${DISK_ROTATION:='1'} # Rotation rate, set to 1 for SSD storage and increase for HDD
|
||||
: ${DISK_CACHE:='none'} # Caching mode, can be set to 'writeback' for better performance
|
||||
|
||||
BOOT="$STORAGE/boot.img"
|
||||
[ ! -f "$BOOT" ] && echo "ERROR: Boot image does not exist ($BOOT)" && exit 81
|
||||
|
||||
|
|
@ -15,20 +21,36 @@ if [ -f "${DATA}" ]; then
|
|||
if [ "$DATA_SIZE" -gt "$OLD_SIZE" ]; then
|
||||
|
||||
echo "INFO: Resizing data disk from $OLD_SIZE to $DATA_SIZE bytes.."
|
||||
|
||||
REQ=$((DATA_SIZE-OLD_SIZE))
|
||||
|
||||
# Check free diskspace
|
||||
SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
|
||||
|
||||
if (( REQ > SPACE )); then
|
||||
echo "ERROR: Not enough free space to resize virtual disk." && exit 84
|
||||
fi
|
||||
|
||||
if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
|
||||
echo "ERROR: Could not allocate file for virtual disk." && exit 85
|
||||
if [ "$ALLOCATE" = "N" ]; then
|
||||
|
||||
truncate -s "${DATA_SIZE}" "${DATA}";
|
||||
|
||||
else
|
||||
|
||||
REQ=$((DATA_SIZE-OLD_SIZE))
|
||||
|
||||
# Check free diskspace
|
||||
SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
|
||||
|
||||
if (( REQ > SPACE )); then
|
||||
echo "ERROR: Not enough free space to resize data disk to ${DISK_SIZE}."
|
||||
echo "ERROR: Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 84
|
||||
fi
|
||||
|
||||
if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
|
||||
echo "ERROR: Could not allocate a file for the data disk." && exit 85
|
||||
fi
|
||||
|
||||
if [ "$ALLOCATE" = "Z" ]; then
|
||||
|
||||
GB=$(( (REQ + 1073741823)/1073741824 ))
|
||||
|
||||
echo "INFO: Preallocating ${GB} GB of diskspace, please wait..."
|
||||
dd if=/dev/urandom of="${DATA}" seek="${OLD_SIZE}" count="${REQ}" bs=1M iflag=count_bytes oflag=seek_bytes status=none
|
||||
|
||||
fi
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
if [ "$DATA_SIZE" -lt "$OLD_SIZE" ]; then
|
||||
|
|
@ -39,35 +61,57 @@ if [ -f "${DATA}" ]; then
|
|||
mv -f "${DATA}" "${DATA}.bak"
|
||||
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
if [ ! -f "${DATA}" ]; then
|
||||
|
||||
# Check free diskspace
|
||||
SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
|
||||
|
||||
if (( DATA_SIZE > SPACE )); then
|
||||
echo "ERROR: Not enough free space to create virtual disk." && exit 86
|
||||
fi
|
||||
|
||||
# Create an empty file
|
||||
if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
|
||||
rm -f "${DATA}"
|
||||
echo "ERROR: Could not allocate file for virtual disk." && exit 87
|
||||
|
||||
if [ "$ALLOCATE" = "N" ]; then
|
||||
|
||||
truncate -s "${DATA_SIZE}" "${DATA}"
|
||||
|
||||
else
|
||||
|
||||
# Check free diskspace
|
||||
SPACE=$(df --output=avail -B 1 "${STORAGE}" | tail -n 1)
|
||||
|
||||
if (( DATA_SIZE > SPACE )); then
|
||||
echo "ERROR: Not enough free space to create a data disk of ${DISK_SIZE}."
|
||||
echo "ERROR: Specify a smaller size or disable preallocation with ALLOCATE=N." && exit 86
|
||||
fi
|
||||
|
||||
if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
|
||||
rm -f "${DATA}"
|
||||
echo "ERROR: Could not allocate a file for the data disk." && exit 87
|
||||
fi
|
||||
|
||||
if [ "$ALLOCATE" = "Z" ]; then
|
||||
|
||||
echo "INFO: Preallocating ${DISK_SIZE} of diskspace, please wait..."
|
||||
dd if=/dev/urandom of="${DATA}" count="${DATA_SIZE}" bs=1M iflag=count_bytes status=none
|
||||
|
||||
fi
|
||||
fi
|
||||
|
||||
# Check if file exists
|
||||
if [ ! -f "${DATA}" ]; then
|
||||
echo "ERROR: Data image does not exist ($DATA)" && exit 88
|
||||
echo "ERROR: Data disk does not exist ($DATA)" && exit 88
|
||||
fi
|
||||
|
||||
fi
|
||||
|
||||
KVM_DISK_OPTS="\
|
||||
# Check the filesize
|
||||
SIZE=$(stat -c%s "${DATA}")
|
||||
|
||||
if [[ SIZE -ne DATA_SIZE ]]; then
|
||||
echo "ERROR: Data disk has the wrong size: ${SIZE}" && exit 89
|
||||
fi
|
||||
|
||||
DISK_OPTS="\
|
||||
-drive id=cdrom0,if=none,format=raw,readonly=on,file=${BOOT} \
|
||||
-device virtio-scsi-pci,id=scsi0 \
|
||||
-device scsi-cd,bus=scsi0.0,drive=cdrom0 \
|
||||
-device virtio-scsi-pci,id=hw-userdata,bus=pcie.0,addr=0xa \
|
||||
-drive file=${DATA},if=none,id=drive-userdata,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
|
||||
-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,rotation_rate=1,bootindex=1"
|
||||
-drive file=${DATA},if=none,id=drive-userdata,format=raw,cache=${DISK_CACHE},aio=${DISK_IO},discard=on,detect-zeroes=on \
|
||||
-device scsi-hd,bus=hw-userdata.0,channel=0,scsi-id=0,lun=0,drive=drive-userdata,id=userdata0,rotation_rate=${DISK_ROTATION},bootindex=1"
|
||||
|
|
|
|||
Loading…
Reference in a new issue