Subversion Repositories livecd

Rev

Rev 269 | Blame | Last modification | View Log | Download | RSS feed 

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

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 hostanme )

# 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

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

# turn off services, which are not useful on LiveCD, to preserve resources
chkconfig mdmonitor       off 2>/dev/null
chkconfig setroubleshoot  off 2>/dev/null
chkconfig auditd          off 2>/dev/null
chkconfig crond           off 2>/dev/null
chkconfig atd             off 2>/dev/null
chkconfig readahead_early off 2>/dev/null
chkconfig readahead_later off 2>/dev/null
chkconfig kdump           off 2>/dev/null
chkconfig microcode_ctl   off 2>/dev/null
chkconfig openct          off 2>/dev/null
chkconfig pcscd           off 2>/dev/null
chkconfig postfix         off 2>/dev/null

# 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

# set the LiveCD hostname
[ ! "\\\$hostname" ] && hostname="livecd.localdomain"
sed -i -e 's/HOSTNAME=localhost.localdomain/HOSTNAME=\\\$hostname/g' /etc/sysconfig/network
/bin/hostname \\\$hostname

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