Import Proxmox VM Image with URL

import_vm_image_url.sh

#!/bin/bash

VMID=$1
IMAGE_URL=$2
STORAGE_TARGET=$3
DISK_LABEL=$4
DISK_SLOT=${5:-""}

if [ $# -lt 4 ]; then
  echo "Usage: $0 <vmid> <image_url> <storage_target> <disk_label> [<disk_slot>]"
  exit 1
fi

# Validate storage exists
pvesm status | grep -q "^$STORAGE_TARGET" || {
  echo "Error: Storage '$STORAGE_TARGET' not found."
  exit 1
}

# Find storage path
STORAGE_PATH=$(grep -A 3 "^dir: $STORAGE_TARGET" /etc/pve/storage.cfg | grep "path" | awk '{print $2}')
[ -z "$STORAGE_PATH" ] && {
  echo "Failed to determine the storage path for '$STORAGE_TARGET'."
  exit 1
}

# Ensure disk directory exists
DISK_PATH="$STORAGE_PATH/images/$VMID"
mkdir -p "$DISK_PATH"

# Set disk file path
DISK_FILE="$DISK_PATH/$DISK_LABEL.qcow2"

# Download if not exists
if [ ! -f "$DISK_FILE" ]; then
  echo "Downloading image to $DISK_FILE..."
  curl -sLo "$DISK_FILE" "$IMAGE_URL"
  [ $? -ne 0 ] && {
    echo "Error downloading image."
    exit 1
  }
else
  echo "Disk file already exists at $DISK_FILE, skipping download."
fi

# Check if already attached
CONFIG_FILE="/etc/pve/qemu-server/$VMID.conf"
DISK_REF="$STORAGE_TARGET:$VMID/$DISK_LABEL.qcow2"
if grep -q "$DISK_REF" "$CONFIG_FILE"; then
  echo "Disk already attached to VM $VMID, skipping attachment."
  exit 0
fi

# Determine available slot if not specified
if [ -z "$DISK_SLOT" ]; then
  for i in {0..20}; do
    if ! grep -q "^scsi$i:" "$CONFIG_FILE"; then
      DISK_SLOT=$i
      break
    fi
  done
  [ -z "$DISK_SLOT" ] && {
    echo "Error: No available SCSI slots found."
    exit 1
  }
else
  if grep -q "^scsi$DISK_SLOT:" "$CONFIG_FILE"; then
    echo "Error: scsi$DISK_SLOT is already used."
    exit 1
  fi
fi

# Attach the disk
echo "Attaching disk to scsi$DISK_SLOT..."
qm set "$VMID" --scsi"$DISK_SLOT" "$DISK_REF"
[ $? -ne 0 ] && {
  echo "Failed to attach disk."
  exit 1
}

echo "Disk successfully attached to VM $VMID in SCSI slot $DISK_SLOT."