Proxmox Automatic Boot Order - <vm-id>

proxmox_automatic_boot_order.sh

#!/bin/bash

# Check if exactly one argument (vm-id) is provided
if [ $# -ne 1 ]; then
  echo "Usage: $0 <vm-id>"
  exit 1
fi

VMID="$1"

# Function to set boot order for disks first, then network
set_boot_order() {
  local config_file="/etc/pve/qemu-server/$VMID.conf"

  # Check if config file exists
  if [ ! -f "$config_file" ]; then
    echo "Error: Config file for VMID $VMID not found at $config_file"
    return 1
  fi

  # Get disks (scsiX)
  disks=$(grep -oP '^scsi\d+' "$config_file")

  # Get network interfaces (netX)
  networks=$(grep -oP '^net\d+' "$config_file")

  # If no disks or networks found, warn and exit
  if [ -z "$disks" ]; then
    echo "Warning: No disks found in $config_file"
  fi
  if [ -z "$networks" ]; then
    echo "Warning: No network interfaces found in $config_file"
  fi

  # Start building boot order, disks first
  boot_order=""

  # Add disks to boot order
  for disk in $disks; do
    boot_order="${boot_order}${disk};"
  done

  # Add networks to boot order
  for net in $networks; do
    boot_order="${boot_order}${net};"
  done

  # Remove trailing semicolon
  boot_order=${boot_order%;}

  # Set boot order using qm command
  echo "Setting boot order for VMID $VMID to: $boot_order"
  qm set "$VMID" -boot order="$boot_order"
}

# Execute the boot order setup
set_boot_order

echo "Boot order set for VMID $VMID."