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path: root/configs/syslinux-iso/overlay/arch/archiso-pxe-server
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#!/bin/bash

# A basic script to setup a PXE server enviroment for Arch Linux live-media.
# Contributed by Gerardo Exequiel Pozzi <vmlinuz386@yahoo.com.ar>

# usage example: archiso-pxe-server [ip] [bootdevice]

BOOT=/bootmnt/boot
TFTPBOOT=/var/tftpboot

IP="$1"
ISO="$2"

IP_ETH0=`ifconfig eth0 | awk -F":| +" '/inet addr/{print $4}'`
if grep archisolabel /proc/cmdline > /dev/null; then
    LABEL=`sed "s/.\+archisolabel=\([^ ]\+\).\+/\1/" /proc/cmdline`
else
    LABEL=""
fi

usage()
{
    echo
    echo "archiso-pxe-server [ip] [bootdevice]"
    echo
    echo " options:"
    echo "    [ip] ip address of the local interface to serve (default use ip of eth0)"
    echo "    [bootdevice] boot device of Arch Linux Live media (for example /dev/cdrom)"
    echo
}

copy_files()
{
    if [ ! -d $TFTPBOOT ]; then
        mkdir -p $TFTPBOOT/boot
        mkdir -p $TFTPBOOT/pxelinux.cfg
        cp $BOOT/vmlinuz26 $TFTPBOOT/boot
        cp $BOOT/archiso.img $TFTPBOOT/boot
        cp $BOOT/memtest $TFTPBOOT/boot
        cp $BOOT/x86test $TFTPBOOT/boot
        cp $BOOT/splash.png $TFTPBOOT/boot
        cp $BOOT/isolinux/pxelinux.0 $TFTPBOOT
        cp $BOOT/isolinux/chain.c32 $TFTPBOOT
        cp $BOOT/isolinux/reboot.c32 $TFTPBOOT
        cp $BOOT/isolinux/vesamenu.c32 $TFTPBOOT
        sed 's|IPAPPEND 0|IPAPPEND 1|g' \
            $BOOT/isolinux/isolinux.cfg > \
            $TFTPBOOT/pxelinux.cfg/default
    fi
}

start_pxe_server()
{
    dnsmasq \
        --enable-tftp \
        --tftp-root=$TFTPBOOT \
        --dhcp-boot=/pxelinux.0,"${IP}" \
        --dhcp-range=${IP%.*}.2,${IP%.*}.254,86400
}

start_nbd_server()
{
    nbd-server 9040 ${ISO} -r
}

check_parameters()
{
    if [ -z "$IP_ETH0" -a -z "$IP" ]; then
        echo "ERROR: missing IP address"
        usage
        exit 1
    else
        IP=$IP_ETH0
    fi

    if [ -z "$LABEL" -a -z "$ISO" ]; then
        echo "ERROR: can't determine boot device, please specify on command line"
        usage
        exit 1
    else
        ISO="/dev/disk/by-label/$LABEL"
    fi
}

check_parameters
copy_files
start_pxe_server
start_nbd_server