X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=8fdf89438ba4deedf3e2fa99d4e592d26d113de3;hp=6b5b3031a9df908719c195a58e1cbe2a585577b4;hb=f7894c712f146f42cedcd4352f1f3b2f90ce64c2;hpb=866bc342b7b76a9761df1aa6bd658fe65e373641 diff --git a/chroot-script b/chroot-script old mode 100644 new mode 100755 index 6b5b303..8fdf894 --- a/chroot-script +++ b/chroot-script @@ -4,175 +4,391 @@ # Authors: grml-team (grml.org), (c) Michael Prokop # Bug-Reports: see http://grml.org/bugs/ # License: This file is licensed under the GPL v2. -# Latest change: Fre Nov 03 12:27:20 CET 2006 [mika] +# Latest change: Tue Aug 26 20:59:31 CEST 2008 [mika] ################################################################################ -set -e +set -e # exit on any error -. /etc/debootstrap/config || exit 1 +. /etc/debootstrap/config || exit 1 +. /etc/debootstrap/variables || exit 1 -[ -r /proc/1 ] || mount -t proc none /proc +[ -r /proc/1 ] || mount -t proc none /proc -if [ -n "$CHROOTMIRROR" ] ; then - echo "$CHROOTMIRROR" > /etc/apt/sources.list -fi - -# install additional packages -if [ "$PACKAGES" = 'yes' ] ; then - if ! [ -r /etc/debootstrap/packages ] ; then - echo "Error: /etc/debootstrap/packages not found, exiting." - exit 1 - else - apt-get update - apt-get -y install $(cat /etc/debootstrap/packages) - fi -fi +# variable checks {{{ -if [ -n "$RECONFIGURE" ] ; then - for package in $RECONFIGURE ; do - dpkg --list $package && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it." - done +# use aptitude only if it's available +if [ -x /usr/bin/aptitude ] ; then + APTINSTALL='aptitude -y install ' + APTUPDATE='aptitude update' +else + APTINSTALL='apt-get --force-yes -y install' + APTUPDATE='apt-get update' fi -# set password of user root -echo "Activating shadow passwords." -shadowconfig on -echo "Setting password for user root:" -passwd -echo "" - -if ! [ -f /etc/hosts ] ; then - echo "Setting up /etc/hosts" - echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts +if [ -z "$STAGES" ] ; then + STAGES='/etc/debootstrap/stages' + [ -d "$STAGES" ] || mkdir -p "$STAGES" fi +# }}} + +# helper functions {{{ +stage() { + if [ -n "$2" ] ; then + echo "$2" > "$STAGES/$1" + return 0 + elif grep -q done "$STAGES/$1" 2>/dev/null ; then + echo "[*] Notice: stage $1 has been executed already, skipping execution therefore.">&2 + return 1 + fi +} +# }}} + +# define chroot mirror {{{ +chrootmirror() { + if [ -n "$ISO" ] ; then + echo "deb $ISO $RELEASE main contrib" > /etc/apt/sources.list + [ -n "$CHROOTMIRROR" ] && echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" >> /etc/apt/sources.list + else + if [ -n "$CHROOTMIRROR" ] ; then + echo "deb $CHROOTMIRROR $RELEASE main contrib non-free" > /etc/apt/sources.list + fi + fi +} +# }}} + +# set up grml repository {{{ +grmlrepos() { + if [ -n "$GRMLREPOS" ] ; then + cat >> /etc/apt/sources.list << EOF + +# grml: stable repository: + deb http://deb.grml.org/ grml-stable main + deb-src http://deb.grml.org/ grml-stable main + +# grml: testing/development repository: + deb http://deb.grml.org/ grml-testing main + deb-src http://deb.grml.org/ grml-testing main -if ! [ -f /etc/network/interfaces ] ; then - echo "Setting up /etc/network/interfaces" - cat >> /etc/network/interfaces << EOF -iface lo inet loopback -iface eth0 inet dhcp -auto lo -auto eth0 EOF -fi - -# adjust timezone -if [ -n "$TIMEZONE" ] ; then - echo "Adjusting /etc/localtime" - ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime -fi - -if ! [ -f /etc/fstab ] ; then - echo "Setting up /etc/fstab" -cat >> /etc/fstab << EOF -sysfs /sys sysfs auto 0 0 -proc /proc proc defaults 0 0 -$TARGET / auto defaults,errors=remount-ro 0 1 -# /dev/sda2 none swap sw 0 0 -/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 + # make sure we have the keys available for aptitude + gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787 + gpg --export F61E2E7CECDEA787 | apt-key add - || /bin/true # not yet sure + # why it's necessary, sometimes we get an error even though it works [mika] + + # make sure we install packages from grml's pool only if not available + # from Debian! + if ! grep -q grml /etc/apt/preferences 2>/dev/null ; then + cat >> /etc/apt/preferences << EOF +// debian pool (default): +Package: * +Pin: release o=Debian +Pin-Priority: 996 + +// main grml-repository: +Package: * +Pin: origin deb.grml.org +Pin-Priority: 991 EOF -fi - -# create default devices -if ! [ -r /dev/hda20 ] ; then - echo "Creating generic devices in /dev - this might take a while..." - cd /dev && MAKEDEV generic -fi - -# assume the first available kernel as our main kernel -KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) -KERNELVER=${KERNELIMG#/boot/vmlinuz-} - -# generate initrd -if [ -n "$INITRD" ] ; then - echo "Generating initrd." - update-initramfs -c -t -k $KERNELVER - if [ -f "/boot/initrd.img-$KERNELVER" ] ; then - GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" - LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" - fi -fi - -if [ "$BOOTMGR" = 'grub' ] ; then - echo "Installing grub" - if ! [ -f /boot/grub/menu.lst ] ; then - # setup grub - mkdir /boot/grub - cat >> /boot/grub/menu.lst << EOF -# Boot automatically after 30 secs. -timeout 30 - -# By default, boot the first entry. -default 0 - -# Fallback to the second entry. -fallback 1 - -title Debian Etch, kernel $KERNELVER (on $ARGET) -root (hd0,0) -kernel $KERNELIMG root=$TARGET ro -$GRUBINITRD - -# For booting Windows -# title Windows -# rootnoverify (hd0,0) -# makeactive -# chainloader +1 + fi + fi +} +# }}} + +# set up kernel-img.conf {{{ +kernelimg_conf() { + if ! [ -r /etc/kernel-img.conf ] ; then + echo "Setting up /etc/kernel-img.conf" + cat > /etc/kernel-img.conf << EOF +# Kernel Image management overrides +# See kernel-img.conf(5) for details +do_initrd = Yes +do_symlinks = Yes EOF - fi - - # copy stage-files to /boot/grub/ - cp -i /usr/lib/grub/i386-pc/* /boot/grub/ - - # otherwise grub fails with 'Could not find device for /boot/boot: not found or not a block device' - cp /etc/mtab /etc/mtab.old - cp /proc/mounts /etc/mtab - - # finally install grub - grub-install $BOOT - - # restore mtab again - mv /etc/mtab.old /etc/mtab -fi - -if [ "$BOOTMGR" = 'lilo' ] ; then - echo "Installing lilo" -# /usr/share/doc/lilo/examples/conf.sample -cat > /etc/lilo.conf << EOF -# This allows booting from any partition on disks with more than 1024 cylinders. -lba32 - -# Specifies the boot device -boot=$BOOT - -# Specifies the device that should be mounted as root. -root=$TARGET - -# use Debian on software raid: -# raid-extra-boot=mbr-only - -install=text -# prompt -timeout=1 -map=/boot/map -vga=normal - -image=/boot/vmlinuz-2.6.17-grml - label="$KERNELVER" - #append="...." - read-only - $LILOINITRD + fi +} +# }}} + +# create default devices {{{ +makedev() { + if ! [ -r /dev/hda20 ] ; then + echo "Creating generic devices in /dev - this might take a while..." + cd /dev && MAKEDEV generic + fi +} +# }}} + +# make sure services do not start up {{{ +install_policy_rcd() { + if ! [ -r /usr/sbin/policy-rc.d ] ; then + export POLICYRCD=1 + cat > /usr/sbin/policy-rc.d << EOF +#!/bin/sh +exit 101 EOF -fi + chmod 775 /usr/sbin/policy-rc.d + fi +} +# }}} + +# install additional packages {{{ +packages() { + if [ "$PACKAGES" = 'yes' ] ; then + if ! [ -r /etc/debootstrap/packages ] ; then + echo "Error: /etc/debootstrap/packages not found, exiting." + exit 1 + else + $APTUPDATE + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $(cat /etc/debootstrap/packages) $GRMLPACKAGES + fi + fi +} +# }}} + +# install extra packages {{{ +extrapackages() { + if [ "$EXTRAPACKAGES" = 'yes' ] ; then + PACKAGELIST=$(find /etc/debootstrap/extrapackages -type f -name '*.deb') + if [ -n "$PACKAGELIST" ]; then + dpkg -i $PACKAGELIST + # run apt again to resolve any deps + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL + fi + fi +} +# }}} + +# sarge specific stuff: mkinitrd {{{ +mkinitrd() { + if [ "$RELEASE" = 'sarge' ] ; then + sed -i "s#ROOT=probe#ROOT=$TARGET#" /etc/mkinitrd/mkinitrd.conf + fi +} +# }}} + +# install kernel packages {{{ +kernel() { + # do not override $KERNEL if set via config file + if [ -z "$KERNEL" ] ; then + if [ "$ARCH" = 'i386' ] ; then + KERNEL='2.6-686' + elif [ "$ARCH" = 'amd64' ] ; then + KERNEL='2.6-amd64' + fi + fi + + if [ -n "$KERNEL" ] ; then + $APTUPDATE + if [ "$RELEASE" = 'sarge' ] ; then + KERNELPACKAGES="kernel-image-$KERNEL kernel-headers-$KERNEL" + else + KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL" + fi + DEBIAN_FRONTEND=$DEBIAN_FRONTEND $APTINSTALL $KERNELPACKAGES + fi +} +# }}} + +# reconfigure packages {{{ +reconfigure() { + if [ -n "$RECONFIGURE" ] ; then + for package in $RECONFIGURE ; do + dpkg --list $package 1>/dev/null 2>/dev/null && \ + DEBIAN_FRONTEND=$DEBIAN_FRONTEND dpkg-reconfigure $package || \ + echo "Warning: $package does not exist, can not reconfigure it." + done + fi +} +# }}} + +# set password of user root {{{ +passwords() { + echo "Activating shadow passwords." + shadowconfig on + + if [ -n "$ROOTPASSWORD" ] ; then + echo root:"$ROOTPASSWD" | chpasswd -m + export ROOTPASSWD='' + else + echo "Setting password for user root:" + echo -n "Enter new UNIX password for user root: " + read -s a + echo root:"$a" | chpasswd -m + unset a + echo + fi +} +# }}} + +# set up /etc/hosts {{{ +hosts() { + if ! [ -f /etc/hosts ] ; then + echo "Setting up /etc/hosts" + echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts + fi +} +# }}} + +# set up /etc/network/interfaces {{{ +interfaces() { + if ! [ -r /etc/network/interfaces ] ; then + echo "Setting up /etc/network/interfaces" + cat >> /etc/network/interfaces << EOF + +# loopback device: +iface lo inet loopback +auto lo -# unmount all filesystems in chroot, make sure nothing is left... -umount -a -umount /proc -umount /proc -umount -a +# eth0: +# iface eth0 inet dhcp +# auto eth0 -# finally exit the chroot -echo "Finished chroot installation, exiting." -exit 0 +EOF + fi +} +# }}} + +# adjust timezone {{{ +timezone() { + if [ -n "$TIMEZONE" ] ; then + echo "Adjusting /etc/localtime" + ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime + fi +} +# }}} + +# helper function for fstab() {{{ +createfstab(){ + echo "Setting up /etc/fstab" +cat > /etc/fstab << EOF +$TARGET / auto defaults,errors=remount-ro 0 1 +proc /proc proc defaults 0 0 +/sys /sys sysfs noauto,rw,nosuid,nodev,noexec 0 0 +/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 +# some other examples: +# /dev/sda2 none swap sw 0 0 +# /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2 +# //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0 +# linux:/pub /beer nfs defaults 0 0 +# tmpfs /tmp tmpfs size=300M 0 0 +EOF +} +# }}} + +# generate /etc/fstab {{{ +fstab() { + # set up /etc/fstab if file is not present (cdebootstrap) + if [ ! -f /etc/fstab ] ; then + createfstab + fi + + # set up /etc/fstab if file is UNCONFIGURED (debootstrap) + if grep -q UNCONFIGURED /etc/fstab ; then + createfstab + fi +} +# }}} + +# set up hostname {{{ +hostname() { + if [ -n "$HOSTNAME" ] ; then + echo "Setting hostname to ${HOSTNAME}." + echo "$HOSTNAME" > /etc/hostname + fi +} +# }}} + +# generate initrd/initramfs {{{ +initrd() { + # assume the first available kernel as our main kernel + KERNELIMG=$(ls -1 /boot/vmlinuz-* | head -1) + KERNELVER=${KERNELIMG#/boot/vmlinuz-} + + # generate initrd + if [ -n "$INITRD" ] ; then + if [ "$RELEASE" = 'sarge' ] ; then + echo "Release sarge detected, will not create an initrd." + else + echo "Generating initrd." + update-initramfs -c -t -k $KERNELVER + if [ -f "/boot/initrd.img-$KERNELVER" ] ; then + GRUBINITRD="initrd /boot/initrd.img-$KERNELVER" + LILOINITRD=" initrd=/boot/initrd.img-$KERNELVER" + fi + fi + fi +} +# }}} + +# grub configuration/installation {{{ +grub() { + if [ -z "$GROOT" ] ; then + echo "Warning: \$GROOT is not defined, will not adjust grub configuration therefore." + else + echo "Adjusting grub configuration for use on ${GROOT}." + + # copy stage-files to /boot/grub/ + [ -d /boot/grub/ ] || mkdir /boot/grub + # i386 specific: + [ -d /usr/lib/grub/i386-pc ] && cp /usr/lib/grub/i386-pc/* /boot/grub/ + # amd64 specific: + [ -d /usr/lib/grub/x86_64-pc ] && cp /usr/lib/grub/x86_64-pc/* /boot/grub/ + # sarge ships grub files in another directory + [ "$RELEASE" = 'sarge' ] && cp /lib/grub/i386-pc/* /boot/grub/ + + # finally install grub + if [ -x /usr/sbin/update-grub ] ; then + UPDATEGRUB='/usr/sbin/update-grub' + else + UPDATEGRUB='/sbin/update-grub' + fi + $UPDATEGRUB -y + if [ -f /boot/grub/menu.lst ] ; then + sed -i "s/^# groot=.*/# groot=(${GROOT})/g" /boot/grub/menu.lst + sed -i "s|^# kopt=root=.*|# kopt=root=${TARGET} ro ${BOOT_APPEND}|g" /boot/grub/menu.lst + # not sure why savedefault does not work for me; any ideas? + sed -i "s/^savedefault.*/# &/g" /boot/grub/menu.lst + $UPDATEGRUB -y + fi + fi +} +# }}} + +# make sure we don't have any running processes left {{{ +services() { + for service in ssh mdadm mdadm-raid ; do + if [ -x /etc/init.d/"$service" ] ; then + /etc/init.d/"$service" stop || /bin/true + fi + done +} +# }}} + +# unmount all filesystems in chroot, make sure nothing is left {{{ +finalize() { + # make sure we don't leave any sensible data + rm -f /etc/debootstrap/variables + [ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d + umount -a 1>/dev/null 2>/dev/null || true + umount /proc 1>/dev/null 2>/dev/null || true + umount /proc 1>/dev/null 2>/dev/null || true + umount -a 1>/dev/null 2>/dev/null || true +} +# }}} + +# execute the functions {{{ + for i in chrootmirror grmlrepos kernelimg_conf makedev install_policy_rcd \ + packages extrapackages mkinitrd kernel reconfigure hosts interfaces \ + timezone fstab hostname initrd grub passwords services finalize ; do + if stage $i ; then + $i && stage $i done || exit 1 + fi + done +# }}} + +# finally exit the chroot {{{ + echo "Finished chroot installation, exiting." + exit 0 +# }}} ## END OF FILE ################################################################# +# vim: ai tw=80 expandtab foldmethod=marker