#!/bin/bash
## In-house replacement for di-netboot-assistant, supports CentOS.
trap 'echo >&2 "${BASH_SOURCE}:${LINENO}: ${FUNCNAME[0]:+${FUNCNAME[0]}(): }unknown error"' ERR
set -eEu
set -o pipefail
cd /srv/tftp

wget -nv -xNP.cache \
    http://archive.ubuntu.com/ubuntu/dists/{hardy,lucid,precise}/main/installer-amd64/current/images/netboot/ubuntu-installer/amd64/{linux,initrd.gz} \
    http://archive.ubuntu.com/ubuntu/dists/{hardy,lucid,precise}/main/installer-i386/current/images/netboot/ubuntu-installer/i386/{linux,initrd.gz} \
    http://cdimage.debian.org/debian/dists/{stable,testing,unstable}/main/installer-amd64/current/images/netboot/debian-installer/amd64/{linux,initrd.gz} \
    http://cdimage.debian.org/debian/dists/{stable,testing,unstable}/main/installer-i386/current/images/netboot/debian-installer/i386/{linux,initrd.gz} \
    http://mirror.centos.org/centos/{5,6}/os/{i386,x86_64}/images/pxeboot/{vmlinuz,initrd.img}
# Do a separate run for the dailies, since otherwise they generate cron email noise.
wget -q -xNP.cache \
    http://d-i.debian.org/daily-images/amd64/daily/netboot/debian-installer/amd64/{linux,initrd.gz} \
    http://people.debian.org/~joeyh/d-i/images/daily/netboot/debian-installer/i386/{linux,initrd.gz} || :
#    ftp://cdimage.debian.org/debian-cd/current-live/amd64/web/debian-live-*.initrd.img* || :

mkdir -p debian ubuntu centos pxelinux.cfg

shopt -s globstar nullglob
# for i in current-live squeeze_live_beta2
# do
#     cp -l .cache/**/$i/amd64/web/vmlinuz                   debian/${i//_/-}-amd64.kernel
#     cp -l .cache/**/$i/amd64/web/initrd.img                debian/${i//_/-}-amd64.initrd
#     cp -l .cache/**/$i/i386/web/vmlinuz                    debian/${i//_/-}-i386.kernel
#     cp -l .cache/**/$i/i386/web/initrd.img                 debian/${i//_/-}-i386.initrd
# done

for i in hardy lucid precise
do
    cp -l .cache/**/$i/**/ubuntu-installer/amd64/linux               ubuntu/$i-amd64.kernel
    cp -l .cache/**/$i/**/ubuntu-installer/amd64/initrd.gz           ubuntu/$i-amd64.initrd
    cp -l .cache/**/$i/**/ubuntu-installer/i386/linux                ubuntu/$i-i386.kernel
    cp -l .cache/**/$i/**/ubuntu-installer/i386/initrd.gz            ubuntu/$i-i386.initrd
done
for i in stable testing unstable daily
do
    cp -l .cache/**/$i/**/debian-installer/amd64/linux               debian/$i-amd64.kernel
    cp -l .cache/**/$i/**/debian-installer/amd64/initrd.gz           debian/$i-amd64.initrd
    cp -l .cache/**/$i/**/debian-installer/i386/linux                debian/$i-i386.kernel
    cp -l .cache/**/$i/**/debian-installer/i386/initrd.gz            debian/$i-i386.initrd
done
for i in 5 6
do
    cp -l .cache/**/centos/$i/**/x86_64/**/vmlinuz         centos/$i-amd64.kernel
    cp -l .cache/**/centos/$i/**/x86_64/**/initrd.img      centos/$i-amd64.initrd
    cp -l .cache/**/centos/$i/**/i386/**/vmlinuz           centos/$i-i386.kernel
    cp -l .cache/**/centos/$i/**/i386/**/initrd.img        centos/$i-i386.initrd
done

for a in amd64 i386
do
    {
        echo "# THIS FILE WAS GENERATED BY $0.  DON'T EDIT IT."
        echo "MENU TITLE Install an OS ($a)"
        echo "MENU LABEL Install an OS (^$a)"
        echo "LABEL back"
        echo "  MENU LABEL ^Back.."
        echo "  MENU EXIT"
        echo "  TEXT HELP"
        echo "    Press F1 for Debian mnemonics."
        echo "    Press F2 for Ubuntu mnemonics."
        echo "    Press F3 for CentOS mnemonics."
        echo "  ENDTEXT"
        echo "F1 pxelinux.cfg/help-debian.txt"
        echo "F2 pxelinux.cfg/help-ubuntu.txt"
        echo "F3 pxelinux.cfg/help-centos.txt"
    } >pxelinux.cfg/install-$a.conf
    {
        echo "# THIS FILE WAS GENERATED BY $0.  DON'T EDIT IT."
        echo "MENU TITLE Run a Live OS ($a)"
        echo "MENU LABEL Run a Live OS (^$a)"
        echo "LABEL back"
        echo "  MENU LABEL ^Back.."
        echo "  MENU EXIT"
    } >pxelinux.cfg/live-$a.conf
    for i in */*-$a.kernel
    do
        d=${i%-$a.kernel}
        r=${d#*/} d=${d%%/*}
        case "$i" in
            *live*)
                {
                    echo
                    echo "MENU BEGIN $d-$r-$a"
                    echo "  MENU TITLE $d ${r/-live}"
                    echo "  MENU LABEL $d ^${r/-live}"
                    echo "  LABEL back"
                    echo "    MENU LABEL ^Back.."
                    echo "    MENU EXIT"
                    echo "    TEXT HELP"
                    echo "      IMPORTANT NOTE: the \"current\" images DO NOT WORK as at Jan 2011."
                    echo "      Press F1 for Live mnemonics."
                    echo "      Press F2 for Debian mnemonics."
                    echo "    ENDTEXT"
                    echo "  F1 pxelinux.cfg/help-live.txt"
                    echo "  F2 pxelinux.cfg/help-debian.txt"
                    for f in standard rescue lxde-desktop xfce-desktop kde-desktop gnome-desktop
                    do
                        echo
                        echo '  'LABEL ${i%.kernel}-$f
                        echo '  'MENU LABEL $d ${r/-live} ^$f
                        echo '  'KERNEL $i
                        echo -n '  'APPEND boot=live config quiet quickreboot
                        test ! -f ${i%.kernel}.initrd ||
                        echo -n ' 'initrd=${i%.kernel}.initrd
                        if false                           # Use NFS or HTTP?
                        ## Broken in 6.0b2 -- tries to mount and merge ALL *.squashfs in $live-media-path.
                        then echo -n ' 'netboot=nfs nfsroot=192.168.155.22:/srv/mirror live-media-path=debian-live module=$d-$r-$a-$f
                        ## fetch support is absent in 5.0.7 :-(
                        else echo -n ' 'fetch=http://192.168.155.175/debian-live/$d-$r-$a-$f.squashfs
                        ## httpfs support is absent in 5.0.7 and 6.0b2 live images :-(
                        # else echo -n ' 'httpfs=http://130.239.18.173/cdimage/$r/$a/web/$d-$r-$a-$f.squashfs
                        fi
                        echo                # terminates APPEND line.
                    done
                # } >pxelinux.cfg/$d-$r-$a.conf
                # {   echo INCLUDE pxelinux.cfg/$d-$r-$a.conf $d-${r/-live}
                    echo "MENU END"
                } >>pxelinux.cfg/live-$a.conf
                ;;
            *)  {
                    echo
                    echo LABEL ${i%.kernel}
                    echo MENU LABEL $d ^$r
                    echo KERNEL $i
                    echo -n APPEND
                    test ! -f ${i%.kernel}.initrd ||
                    echo -n ' 'initrd=${i%.kernel}.initrd
                    case "$i" in
                        centos/*) echo -n ' 'method=http://mirror.internode.on.net/pub/centos/6/os/x86_64/;; # FIXME
                        debian/*) echo -n ' 'theme=dark locale=en_AU mirror/method=http mirror/country=manual mirror/http/proxy= mirror/http/hostname=apt mirror/http/directory=/debian;;
                        ubuntu/*) echo -n ' 'theme=dark locale=en_AU mirror/method=http mirror/country=manual mirror/http/proxy= mirror/http/hostname=apt mirror/http/directory=/ubuntu;;
                    esac
                    echo                # terminates APPEND line.
                } >>pxelinux.cfg/install-$a.conf
                ;;
        esac
    done
done

cat >pxelinux.cfg/help-debian.txt <<EOF
For 'expert' add: priority=low
For 'rescue' add: rescue/enable=true
For 'auto'   add: auto=true priority=critical
For desktops add: desktop=[kde|xfce|lxde]
Also: fb=false theme=dark vga=771 console=/dev/ttyS0,9600n8 bootkbd=es
      DEBIAN_FRONTEND=[gtk|newt|text|noninteractive]
Kludges: noapic nolapic acpi=noirq acpi=off nousb irqpoll
         hw-detect/start_pcmcia=false
         netcfg/disable_dhcp=true
Installation Guide: http://debian.org/releases/testing/amd64

Cyber notes:
    mirror/http/proxy=http://proxy:8080/
    mirror/http/hostname=mirror.internode.on.net
    mirror/http/directory=/pub/debian
EOF

cat >pxelinux.cfg/help-ubuntu.txt <<EOF
For 'expert' add: priority=low
For 'rescue' add: rescue/enable=true
For 'auto'   add: auto=true priority=critical
For 'cli'    add: tasks=standard
                  pkgsel/language-pack-patterns=
                  pkgsel/install-language-support=false
Also: fb=false theme=dark vga=771 console=/dev/ttyS0,9600n8 bootkbd=es
      DEBIAN_FRONTEND=[gtk|newt|text|noninteractive] nomodeset
Kludges: noapic nolapic acpi=noirq acpi=off nousb irqpoll
         hw-detect/start_pcmcia=false
         netcfg/disable_dhcp=true
Installation Guide: https://help.ubuntu.com/10.04/installation-guide/amd64/

Cyber notes:
    mirror/http/proxy=http://proxy:8080/
    mirror/http/hostname=mirror.internode.on.net
    mirror/http/directory=/pub/ubuntu/ubuntu
EOF

cat >pxelinux.cfg/help-centos.txt <<EOF
Installation Method:    HTTP
Web site name:          mirror.internode.on.net
CentOS Directory:       /pub/centos/5/os/x86_64/

See also: http://fedoraproject.org/wiki/Anaconda/Options
          http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/5/html/Installation_Guide/
EOF

cat >pxelinux.cfg/help-live.txt <<EOF
Options: access=[v1|v2|v3|m1|m2] console=/dev/ttyS0,9600n8 debug=1
Ref.     live-boot(7) and live-config(7) manpages, available at
  http://live.debian.net/gitweb?p=live-boot.git;a=blob_plain;f=manpages/en/live-boot.7
  http://live.debian.net/gitweb?p=live-config.git;a=blob_plain;f=manpages/en/live-config.7
EOF

chown -R dnsmasq:nogroup .cache centos debian ubuntu pxelinux.cfg
chmod -R a-w+rX          .cache centos debian ubuntu pxelinux.cfg