Subversion Repositories livecd

########################################################################

#

#  LiveCD post install 

#

########################################################################

%post

########################################################################

# LiveCD configuration file and LiveCD functions

########################################################################

cat > /etc/livesys.conf << 'EOF_livesysconf'

###--------------------------------------------------------------------

### Configuration file for LiveCD

###--------------------------------------------------------------------

# default LiveCD user

LIVECD_DEF_USER="sluser"

# delay in sec. before auto login

LOGIN_DELAY=15

# Services which are off (not running) on the LiveCD

SERVICES_OFF="mdmonitor setroubleshoot auditd crond atd readahead_early \

              readahead_later kdump microcode_ctl openct pcscd postfix"

EOF_livesysconf

cat > /etc/init.d/livesys.functions << 'EOF_livesysfunctions'

###--------------------------------------------------------------------

### livesys functions

###--------------------------------------------------------------------

# egrep_o is a replacement for "egrep -o". It prints only the last matching text

egrep_o() {

   cat | egrep "$1" | sed -r "s/.*($1).*/\\1/"

}

# boot parameter

cmdline_parameter() {

   CMDLINE=/proc/cmdline

   cat "$CMDLINE" | egrep_o "(^|[[:space:]]+)$1(\$|=|[[:space:]]+)" | egrep_o "$1"

}

# boot parameter value

cmdline_value()

{

   CMDLINE=/proc/cmdline

   cat "$CMDLINE" | egrep_o "(^|[[:space:]]+)$1=([^[:space:]]+)" | egrep_o "=.*" | cut -b 2- | tail -n 1

}

exists() {

    which $1 >/dev/null 2>&1 || return

    $*

}

EOF_livesysfunctions

########################################################################

# Create a sub-script so the output can be captured

# Must change "$" to "\$" and "`" to "\`" to avoid shell quoting

########################################################################

cat > /root/post-install << EOF_post

#!/bin/bash

echo ###################################################################

echo ## Creating the livesys init script - livesys

echo ###################################################################

cat > /etc/rc.d/init.d/livesys << EOF_initscript

#!/bin/bash

#

# live: Init script for live image

#

# chkconfig: 345 00 99

# description: Init script for live image.

. /etc/init.d/functions

. /etc/livesys.conf

. /etc/init.d/livesys.functions

if ! strstr "\\\`cat /proc/cmdline\\\`" liveimg || [ "\\\$1" != "start" ]; then

    exit 0

fi

if [ -e /.liveimg-configured ] ; then

    configdone=1

fi

touch /.liveimg-configured

# read boot parameters out of /proc/cmdline

hostname=\\\$( cmdline_value hostname )

CELL=\\\$( cmdline_value cell )

SERVICEON=\\\$( cmdline_value serviceon )

SERVICEOFF=\\\$( cmdline_value serviceoff )

# set livecd user

LIVECD_USER=\\\$( cmdline_value user )

[ ! "\\\$LIVECD_USER" ] && LIVECD_USER=\\\$LIVECD_DEF_USER

# mount live image

if [ -b \\\`readlink -f /dev/live\\\` ]; then

   mkdir -p /mnt/live

   mount -o ro /dev/live /mnt/live 2>/dev/null || mount /dev/live /mnt/live

fi

livedir="LiveOS"

for arg in \\\`cat /proc/cmdline\\\` ; do

  if [ "\\\${arg##live_dir=}" != "\\\${arg}" ]; then

    livedir=\\\${arg##live_dir=}

    return

  fi

done

# enable swaps unless requested otherwise

swaps=\\\`blkid -t TYPE=swap -o device\\\`

if ! strstr "\\\`cat /proc/cmdline\\\`" noswap && [ -n "\\\$swaps" ] ; then

  for s in \\\$swaps ; do

    action "Enabling swap partition \\\$s" swapon \\\$s

  done

fi

if ! strstr "\\\`cat /proc/cmdline\\\`" noswap && [ -f /mnt/live/\\\${livedir}/swap.img ] ; then

  action "Enabling swap file" swapon /mnt/live/\\\${livedir}/swap.img

fi

mountPersistentHome() {

  # support label/uuid

  if [ "\\\${homedev##LABEL=}" != "\\\${homedev}" -o "\\\${homedev##UUID=}" != "\\\${homedev}" ]; then

    homedev=\\\`/sbin/blkid -o device -t "\\\$homedev"\\\`

  fi

  # if we're given a file rather than a blockdev, loopback it

  if [ "\\\${homedev##mtd}" != "\\\${homedev}" ]; then

    # mtd devs don't have a block device but get magic-mounted with -t jffs2

    mountopts="-t jffs2"

  elif [ ! -b "\\\$homedev" ]; then

    loopdev=\\\`losetup -f\\\`

    if [ "\\\${homedev##/mnt/live}" != "\\\${homedev}" ]; then

      action "Remounting live store r/w" mount -o remount,rw /mnt/live

    fi

    losetup \\\$loopdev \\\$homedev

    homedev=\\\$loopdev

  fi

  # if it's encrypted, we need to unlock it

  if [ "\\\$(/sbin/blkid -s TYPE -o value \\\$homedev 2>/dev/null)" = "crypto_LUKS" ]; then

    echo

    echo "Setting up encrypted /home device"

    plymouth ask-for-password --command="cryptsetup luksOpen \\\$homedev EncHome"

    homedev=/dev/mapper/EncHome

  fi

  # and finally do the mount

  mount \\\$mountopts \\\$homedev /home

  # if we have /home under what's passed for persistent home, then

  # we should make that the real /home.  useful for mtd device on olpc

  if [ -d /home/home ]; then mount --bind /home/home /home ; fi

  [ -x /sbin/restorecon ] && /sbin/restorecon /home

  if [ -d /home/\\\$LIVECD_USER ]; then USERADDARGS="-M" ; fi

}

findPersistentHome() {

  for arg in \\\`cat /proc/cmdline\\\` ; do

    if [ "\\\${arg##persistenthome=}" != "\\\${arg}" ]; then

      homedev=\\\${arg##persistenthome=}

      return

    fi

  done

}

if strstr "\\\`cat /proc/cmdline\\\`" persistenthome= ; then

  findPersistentHome

elif [ -e /mnt/live/\\\${livedir}/home.img ]; then

  homedev=/mnt/live/\\\${livedir}/home.img

fi

# if we have a persistent /home, then we want to go ahead and mount it

if ! strstr "\\\`cat /proc/cmdline\\\`" nopersistenthome && [ -n "\\\$homedev" ] ; then

  action "Mounting persistent /home" mountPersistentHome

fi

# make it so that we don't do writing to the overlay for things which

# are just tmpdirs/caches

mount -t tmpfs -o mode=0755 varcacheyum /var/cache/yum

mount -t tmpfs tmp /tmp

mount -t tmpfs vartmp /var/tmp

[ -x /sbin/restorecon ] && /sbin/restorecon /var/cache/yum /tmp /var/tmp >/dev/null 2>&1

# turn off services, which are not useful on LiveCD, to preserve resources

if [ "\\\$SERVICE_OFF" ]; then

    for service in \\\$SERVICE_OFF ; do

        [ -f /etc/init.d/\\\$service ] && chkconfig \\\$service off 2>/dev/null

    done

fi

# services off, from command line paramter

if [ "\\\$SERVICEOFF" ]; then

    for service in \\\$( echo "\\\$SERVICEOFF" | tr ':' ' ' ); do

        [ -f /etc/init.d/\\\$service ] && chkconfig \\\$service off 2>/dev/null

    done

fi

# services on, from command line paramter

if [ "\\\$SERVICEON" ]; then

    for service in \\\$( echo "\\\$SERVICEON" | tr ':' ' ' ); do

        [ -f /etc/init.d/\\\$service ] && chkconfig \\\$service on  2>/dev/null

    done

fi

# set afs cell if given by boot parameter

[ "\\\$CELL" ] && echo \\\$CELL > /usr/vice/etc/ThisCell

# set the LiveCD hostname

[ ! "\\\$hostname" ] && hostname="livecd.localdomain"

sed -i -e "s|HOSTNAME=.*|HOSTNAME=\\\$hostname|g" /etc/sysconfig/network

/bin/hostname \\\$hostname

###################################################

# EXIT here if LiveCD has already been configured #

###################################################

if [ -n "\\\$configdone" ]; then

  exit 0

fi

## fix various bugs and issues

# unmute sound card

exists alsaunmute 0 2> /dev/null

# turn off firstboot for livecd boots

echo "RUN_FIRSTBOOT=NO" > /etc/sysconfig/firstboot

# start afs with option -memcache (is this correct?)

[ -e /etc/sysconfig/afs ] && sed -i "s|^OPTIONS=.*|OPTIONS=\"-memcache\"|" /etc/sysconfig/afs

# Stopgap fix for RH #217966; should be fixed in HAL instead

touch /media/.hal-mtab

## create the LiveCD default user

# add default user with no password

/usr/sbin/useradd -c "LiveCD default user" \\\$LIVECD_USER

/usr/bin/passwd -d \\\$LIVECD_USER > /dev/null

# give default user sudo privileges

echo "\\\$LIVECD_USER     ALL=(ALL)     NOPASSWD: ALL" >> /etc/sudoers

## configure default user's desktop

# set up timed auto-login at 10 seconds

cat >> /etc/gdm/custom.conf << FOE

[daemon]

TimedLoginEnable=true

TimedLogin=LIVECD_USER

TimedLoginDelay=$LOGIN_DELAY

FOE

sed -i "s|LIVECD_USER|\\\$LIVECD_USER|" /etc/gdm/custom.conf

# add keyboard and display configuration utilities to the desktop

mkdir -p /home/\\\$LIVECD_USER/Desktop >/dev/null

cp /usr/share/applications/gnome-keyboard.desktop           /home/\\\$LIVECD_USER/Desktop/

cp /usr/share/applications/gnome-display-properties.desktop /home/\\\$LIVECD_USER/Desktop/

# disable screensaver locking

gconftool-2 --direct --config-source=xml:readwrite:/etc/gconf/gconf.xml.defaults -s -t bool   /apps/gnome-screensaver/lock_enabled "false" >/dev/null

# disable PackageKit update checking by default

gconftool-2 --direct --config-source=xml:readwrite:/etc/gconf/gconf.xml.defaults -s -t int /apps/gnome-packagekit/update-icon/frequency_get_updates "0" >/dev/null

# detecting disk partitions and logical volumes 

CreateDesktopIconHD()

{

cat > /home/\\\$LIVECD_USER/Desktop/Local\ hard\ drives.desktop << EOF_HDicon

[Desktop Entry]

Encoding=UTF-8

Version=1.0

Type=Link

Name=Local hard drives

Name[en_US]=Local hard drives

Name[fr_CA]=Disques durs locaux

URL=/mnt/disc

Icon=/usr/share/icons/gnome/32x32/devices/gnome-dev-harddisk.png

EOF_HDicon

chmod 755 /home/\\\$LIVECD_USER/Desktop/Local\ hard\ drives.desktop

}

CreateDesktopIconLVM()

{

mkdir -p /home/\\\$LIVECD_USER/Desktop >/dev/null

cat > /home/\\\$LIVECD_USER/Desktop/Local\ logical\ volumes.desktop << EOF_LVMicon

[Desktop Entry]

Encoding=UTF-8

Version=1.0

Type=Link

Name=Local logical volumes

Name[en_US]=Local logical volumes

Name[fr_CA]=Volumes logiques locaux

URL=/mnt/lvm

Icon=/usr/share/icons/gnome/32x32/devices/gnome-dev-harddisk.png

EOF_LVMicon

chmod 755 /home/\\\$LIVECD_USER/Desktop/Local\ logical\ volumes.desktop

}

# don't mount disk partitions if 'nodiskmount' is given as a boot option

if ! strstr "\\\`cat /proc/cmdline\\\`" nodiskmount ; then

	MOUNTOPTION="ro"

	HARD_DISKS=\\\`egrep "[sh]d.\\\$" /proc/partitions | tr -s ' ' | sed 's/^  *//' | cut -d' ' -f4\\\`

	echo "Mounting hard disk partitions... "

	for DISK in \\\$HARD_DISKS; do

	    # Get the device and system info from fdisk (but only for fat and linux partitions).

	    FDISK_INFO=\\\`fdisk -l /dev/\\\$DISK | tr [A-Z] [a-z] | egrep "fat|linux" | egrep -v "swap|extended|lvm" | sed 's/*//' | tr -s ' ' | tr ' ' ':' | cut -d':' -f1,6-\\\`

	    for FDISK_ENTRY in \\\$FDISK_INFO; do

		PARTITION=\\\`echo \\\$FDISK_ENTRY | cut -d':' -f1\\\`

		MOUNTPOINT="/mnt/disc/\\\${PARTITION##/dev/}"

		mkdir -p \\\$MOUNTPOINT

		MOUNTED=FALSE

		# get the partition type

		case \\\`echo \\\$FDISK_ENTRY | cut -d':' -f2-\\\` in

		*fat*) 

		    FSTYPES="vfat"

		    EXTRAOPTIONS=",uid=500";;

		*)

		    FSTYPES="ext4 ext3 ext2"

		    EXTRAOPTIONS="";;

		esac

		# try to mount the partition

		for FSTYPE in \\\$FSTYPES; do

		    if mount -o "\\\${MOUNTOPTION}\\\${EXTRAOPTIONS}" -t \\\$FSTYPE \\\$PARTITION \\\$MOUNTPOINT &>/dev/null; then

			echo "\\\$PARTITION \\\$MOUNTPOINT \\\$FSTYPE noauto,\\\${MOUNTOPTION}\\\${EXTRAOPTIONS} 0 0" >> /etc/fstab

			echo -n "\\\$PARTITION "

			MOUNTED=TRUE

			CreateDesktopIconHD

		    fi

		done

		[ \\\$MOUNTED = "FALSE" ] && rmdir \\\$MOUNTPOINT

	    done

	done

	echo

fi

# don't mount logical volumes if 'nolvmmount' is given as a boot option

if ! strstr "\\\`cat /proc/cmdline\\\`" nolvmmount ; then

        MOUNTOPTION="ro"

	FSTYPES="ext4 ext3 ext2"

	echo "Scanning for logical volumes..."

	if ! lvm vgscan 2>&1 | grep "No volume groups"; then

	    echo "Activating logical volumes ..."

	    modprobe dm_mod >/dev/null

	    lvm vgchange -ay

	    LOGICAL_VOLUMES=\\\`lvm lvdisplay -c | sed "s/^  *//" | cut -d: -f1\\\`

	    if [ ! -z "\\\$LOGICAL_VOLUMES" ]; then

		echo "Making device nodes ..."

		lvm vgmknodes

		echo -n "Mounting logical volumes ... "

		for VOLUME_NAME in \\\$LOGICAL_VOLUMES; do

		    VG_NAME=\\\`echo \\\$VOLUME_NAME | cut -d/ -f3\\\`

		    LV_NAME=\\\`echo \\\$VOLUME_NAME | cut -d/ -f4\\\`

		    MOUNTPOINT="/mnt/lvm/\\\${VG_NAME}-\\\${LV_NAME}"

		    mkdir -p \\\$MOUNTPOINT

		    MOUNTED=FALSE

		    for FSTYPE in \\\$FSTYPES; do

			if mount -o \\\$MOUNTOPTION -t \\\$FSTYPE \\\$VOLUME_NAME \\\$MOUNTPOINT &>/dev/null; then

			    echo "\\\$VOLUME_NAME \\\$MOUNTPOINT \\\$FSTYPE defaults,\\\${MOUNTOPTION} 0 0" >> /etc/fstab

			    echo -n "\\\$VOLUME_NAME "

			    MOUNTED=TRUE

			    CreateDesktopIconLVM

			    break

			fi

		    done

		    [ \\\$MOUNTED = FALSE ] && rmdir \\\$MOUNTPOINT

		done

		echo

	    else

		echo "No logical volumes found"

	    fi

	fi

fi

# give back ownership to the default user

chown -R \\\$LIVECD_USER:\\\$LIVECD_USER /home/\\\$LIVECD_USER

EOF_initscript

echo ###################################################################

echo ## End of livesys script

echo ###################################################################

echo ###################################################################

echo ## Creating the livesys init script - livesys-late

echo ###################################################################

cat > /etc/rc.d/init.d/livesys-late << EOF_lateinitscript

#!/bin/bash

#

# live: Late init script for live image

#

# chkconfig: 345 99 01

# description: Late init script for live image.

. /etc/init.d/functions

. /etc/livesys.conf

. /etc/init.d/livesys.functions

if ! strstr "\\\`cat /proc/cmdline\\\`" liveimg || [ "\\\$1" != "start" ] || [ -e /.liveimg-late-configured ] ; then

    exit 0

fi

touch /.liveimg-late-configured

# read boot parameters out of /proc/cmdline

ks=\\\$( cmdline_value ks )

xdriver=\\\$( cmdline_value xdriver )

kb=\\\$( cmdline_value kb )

# if liveinst or textinst is given, start anaconda

if [ "\\\$( cmdline_parameter liveinst )" ]; then

   plymouth --quit

   /usr/sbin/liveinst \\\$ks

fi

if [ "\\\$( cmdline_parameter textinst )" ] ; then

   plymouth --quit

   /usr/sbin/liveinst --text \\\$ks

fi

# configure X, allowing user to override xdriver

if [ "\\\$xdriver" ]; then

    exists system-config-display --noui --reconfig --set-depth=24 --set-driver=\\\$xdriver

fi

# configure keyboard

if [ "\\\$kb" ]; then

    exists system-config-keyboard --noui \\\$kb 

fi

EOF_lateinitscript

echo ###################################################################

echo ## End of livesys-late script

echo ###################################################################

echo ###################################################################

echo ## Configure the LiveCD

echo ###################################################################

# workaround avahi segfault (#279301)

touch /etc/resolv.conf

/sbin/restorecon /etc/resolv.conf

chmod 755 /etc/rc.d/init.d/livesys

/sbin/restorecon /etc/rc.d/init.d/livesys

/sbin/chkconfig --add livesys

chmod 755 /etc/rc.d/init.d/livesys-late

/sbin/restorecon /etc/rc.d/init.d/livesys-late

/sbin/chkconfig --add livesys-late

# go ahead and pre-make the man -k cache (#455968)

/usr/sbin/makewhatis -w

# save a little bit of space at least...

rm -f /var/lib/rpm/__db*

rm -f /boot/initrd*

rm -f /boot/initramfs*

# make sure there aren't core files lying around

rm -f /core*

# convince readahead not to collect

rm -f /.readahead_collect

touch /var/lib/readahead/early.sorted

# workaround clock syncing on shutdown that we don't want (#297421)

sed -i -e 's/hwclock/no-such-hwclock/g' /etc/rc.d/init.d/halt

# import RPM GPG keys

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-beta

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat-release

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-sl6

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-dawson

rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-sl

# evolution is in the gnome launch panel (workaround to start thunderbird instead)

[ ! -e /usr/bin/evolution ] && ln -s /usr/bin/thunderbird /usr/bin/evolution

EOF_post

# run post-install script

/bin/bash -x /root/post-install 2>&1 | tee /root/post-install.log

%end

########################################################################

# End of configure LiveCD in chroot

########################################################################

%post --nochroot

########################################################################

# Post install in no chroot

# Must change "$" to "\$" and "`" to "\`" to avoid shell quoting

########################################################################

cat > /root/postnochroot-install << EOF_postnochroot

#!/bin/bash

# Copy licensing information

cp $INSTALL_ROOT/usr/share/doc/*-release-*/GPL $LIVE_ROOT/GPL

# add livecd-iso-to-disk utility on the LiveCD

# only works on x86, x86_64

if [ "\$(uname -i)" = "i386" -o "\$(uname -i)" = "x86_64" ]; then

  if [ ! -d \$LIVE_ROOT/LiveOS ]; then mkdir -p \$LIVE_ROOT/LiveOS ; fi

  cp /usr/bin/livecd-iso-to-disk \$LIVE_ROOT/LiveOS

fi

# customize boot menu entries

grep -B4 'menu default'  \$LIVE_ROOT/isolinux/isolinux.cfg > \$LIVE_ROOT/isolinux/default.txt

grep -B3 'xdriver=vesa'  \$LIVE_ROOT/isolinux/isolinux.cfg > \$LIVE_ROOT/isolinux/basicvideo.txt

grep -A3 'label check0'  \$LIVE_ROOT/isolinux/isolinux.cfg > \$LIVE_ROOT/isolinux/check.txt

grep -A2 'label memtest' \$LIVE_ROOT/isolinux/isolinux.cfg > \$LIVE_ROOT/isolinux/memtest.txt

grep -A2 'label local'   \$LIVE_ROOT/isolinux/isolinux.cfg > \$LIVE_ROOT/isolinux/localboot.txt

sed "s/label linux0/label linuxtext0/"   \$LIVE_ROOT/isolinux/default.txt > \$LIVE_ROOT/isolinux/textboot.txt

sed -i "s/Boot/Boot (Text Mode)/"                                           \$LIVE_ROOT/isolinux/textboot.txt

sed -i "s/liveimg/liveimg 3/"                                               \$LIVE_ROOT/isolinux/textboot.txt

sed -i "/menu default/d"                                                    \$LIVE_ROOT/isolinux/textboot.txt

sed "s/label linux0/label install0/"     \$LIVE_ROOT/isolinux/default.txt > \$LIVE_ROOT/isolinux/install.txt

sed -i "s/Boot/Install/"                                                    \$LIVE_ROOT/isolinux/install.txt

sed -i "s/liveimg/liveimg liveinst noswap nolvmmount/"                      \$LIVE_ROOT/isolinux/install.txt

sed -i "s/ quiet / /"                                                       \$LIVE_ROOT/isolinux/install.txt

sed -i "s/ rhgb / /"                                                        \$LIVE_ROOT/isolinux/install.txt

sed -i "/menu default/d"                                                    \$LIVE_ROOT/isolinux/install.txt

sed "s/label linux0/label textinstall0/" \$LIVE_ROOT/isolinux/default.txt > \$LIVE_ROOT/isolinux/textinstall.txt

sed -i "s/Boot/Install (Text Mode)/"                                        \$LIVE_ROOT/isolinux/textinstall.txt

sed -i "s/liveimg/liveimg textinst noswap nolvmmount/"                      \$LIVE_ROOT/isolinux/textinstall.txt

sed -i "s/ quiet / /"                                                       \$LIVE_ROOT/isolinux/textinstall.txt

sed -i "s/ rhgb / /"                                                        \$LIVE_ROOT/isolinux/textinstall.txt

sed -i "/menu default/d"                                                    \$LIVE_ROOT/isolinux/textinstall.txt

cat \$LIVE_ROOT/isolinux/default.txt \$LIVE_ROOT/isolinux/basicvideo.txt \$LIVE_ROOT/isolinux/check.txt \$LIVE_ROOT/isolinux/memtest.txt \$LIVE_ROOT/isolinux/localboot.txt > \$LIVE_ROOT/isolinux/current.txt

diff \$LIVE_ROOT/isolinux/isolinux.cfg \$LIVE_ROOT/isolinux/current.txt | sed '/^[0-9][0-9]*/d; s/^. //; /^---$/d' > \$LIVE_ROOT/isolinux/cleaned.txt

cat \$LIVE_ROOT/isolinux/cleaned.txt \$LIVE_ROOT/isolinux/default.txt \$LIVE_ROOT/isolinux/textboot.txt \$LIVE_ROOT/isolinux/basicvideo.txt \$LIVE_ROOT/isolinux/install.txt \$LIVE_ROOT/isolinux/textinstall.txt \$LIVE_ROOT/isolinux/memtest.txt \$LIVE_ROOT/isolinux/localboot.txt > \$LIVE_ROOT/isolinux/isolinux.cfg

rm -f \$LIVE_ROOT/isolinux/*.txt

EOF_postnochroot

# run postnochroot-install script

/bin/bash -x /root/postnochroot-install 2>&1 | tee /root/postnochroot-install.log

%end

########################################################################

# End of configure LiveCD in nochroot

########################################################################