Rename disk.sh to run/disk.sh

run/disk.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+set -eu
+
+BOOT="$IMG/$BASE.boot.img"
+SYSTEM="$IMG/$BASE.system.img"
+
+[ ! -f "$BOOT" ] && echo "ERROR: Virtual DSM boot-image does not exist ($BOOT)" && exit 81
+[ ! -f "$SYSTEM" ] && echo "ERROR: Virtual DSM system-image does not exist ($SYSTEM)" && exit 82
+
+DATA="${IMG}/data.img"
+
+if [[ ! -f "${DATA}" ]] && [[ -f "$IMG/data$DISK_SIZE.img" ]]; then
+  # Fallback for legacy installs
+  DATA="$IMG/data$DISK_SIZE.img"
+fi
+
+DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
+DATA_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
+
+if (( DATA_SIZE < 6442450944 )); then
+  echo "ERROR: Please increase DISK_SIZE to at least 6 GB." && exit 83
+fi
+
+if [ -f "${DATA}" ]; then
+
+  OLD_SIZE=$(stat -c%s "${DATA}")
+
+  if [ "$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=$(df --output=avail -B 1 "${IMG}" | 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
+    fi
+      
+  fi
+
+  if [ "$DATA_SIZE" -lt "$OLD_SIZE" ]; then
+
+    echo "INFO: Shrinking existing disks is not supported yet!"
+    echo "INFO: Creating backup of old drive in storage folder..."
+
+    mv -f "${DATA}" "${DATA}.bak"
+
+  fi
+  
+fi
+
+if [ ! -f "${DATA}" ]; then
+
+  # Check free diskspace
+  SPACE=$(df --output=avail -B 1 "${IMG}" | tail -n 1)
+
+  if (( DATA_SIZE > SPACE )); then
+    echo "ERROR: Not enough free space to create virtual disk." && exit 86
+  fi
+
+  # Create an empty file
+  if ! fallocate -l "${DATA_SIZE}" "${DATA}"; then
+    rm -f "${DATA}"
+    echo "ERROR: Could not allocate file for virtual disk." && exit 87
+  fi
+
+  # Check if file exists
+  if [ ! -f "${DATA}" ]; then
+    echo "ERROR: Virtual DSM data disk does not exist ($DATA)" && exit 88
+  fi
+
+  # Format as BTRFS filesystem
+  mkfs.btrfs -q -L data -d single -m dup "${DATA}" > /dev/null
+
+fi
+
+KVM_DISK_OPTS="\
+    -device virtio-scsi-pci,id=hw-synoboot,bus=pcie.0,addr=0xa \
+    -drive file=${BOOT},if=none,id=drive-synoboot,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
+    -device scsi-hd,bus=hw-synoboot.0,channel=0,scsi-id=0,lun=0,drive=drive-synoboot,id=synoboot0,rotation_rate=1,bootindex=1 \
+    -device virtio-scsi-pci,id=hw-synosys,bus=pcie.0,addr=0xb \
+    -drive file=${SYSTEM},if=none,id=drive-synosys,format=raw,cache=none,aio=native,discard=on,detect-zeroes=on \
+    -device scsi-hd,bus=hw-synosys.0,channel=0,scsi-id=0,lun=0,drive=drive-synosys,id=synosys0,rotation_rate=1,bootindex=2 \
+    -device virtio-scsi-pci,id=hw-userdata,bus=pcie.0,addr=0xc \
+    -drive file=${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=3"