Initial commit

#!/usr/bin/env bash

set -Eeuo pipefail

info () { echo -e "\E[1;34m❯ \E[1;36m$1\E[0m" ; }

error () { echo -e >&2 "\E[1;31m❯ ERROR: $1\E[0m" ; }

trap 'error "Status $? while: ${BASH_COMMAND} (line $LINENO/$BASH_LINENO)"' ERR

[ ! -f "/run/entry.sh" ] && error "Script must run inside Docker container!" && exit 11

[ "$(id -u)" -ne "0" ] && error "Script must be executed with root privileges." && exit 12

# Docker environment variables

: ${BOOT:=''}           # URL of the ISO file

: ${DEBUG:='N'}         # Enable debugging mode

: ${ALLOCATE:='Y'}      # Preallocate diskspace

: ${ARGUMENTS:=''}      # Extra QEMU parameters

: ${CPU_CORES:='1'}     # Amount of CPU cores

: ${DISK_SIZE:='16G'}   # Initial data disk size

: ${RAM_SIZE:='512M'}   # Maximum RAM amount

# Helper variables

KERNEL=$(uname -r | cut -b 1)

MINOR=$(uname -r | cut -d '.' -f2)

ARCH=$(dpkg --print-architecture)

VERS=$(qemu-system-x86_64 --version | head -n 1 | cut -d '(' -f 1)

# Check folder

STORAGE="/storage"

[ ! -d "$STORAGE" ] && error "Storage folder (${STORAGE}) not found!" && exit 13

return 0