Storage

#!/usr/bin/env bash

set -eu

BOOT="$IMG/$BASE.boot.img"

SYSTEM="$IMG/$BASE.system.img"

BOOT="$STORAGE/$BASE.boot.img"

SYSTEM="$STORAGE/$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"

DATA="${STORAGE}/data.img"

if [[ ! -f "${DATA}" ]] && [[ -f "$IMG/data$DISK_SIZE.img" ]]; then

if [[ ! -f "${DATA}" ]] && [[ -f "$STORAGE/data$DISK_SIZE.img" ]]; then

  # Fallback for legacy installs

  DATA="$IMG/data$DISK_SIZE.img"

  DATA="$STORAGE/data$DISK_SIZE.img"

fi

DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')

    REQ=$((DATA_SIZE-OLD_SIZE))

    # Check free diskspace    

    SPACE=$(df --output=avail -B 1 "${IMG}" | tail -n 1)

    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

if [ ! -f "${DATA}" ]; then

  # Check free diskspace

  SPACE=$(df --output=avail -B 1 "${IMG}" | tail -n 1)

  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