X-Git-Url: https://git.grml.org/?p=grml-debootstrap.git;a=blobdiff_plain;f=chroot-script;h=b5e60b45b46a703d3d852388512169c31b241291;hp=63bc8d88d5895545963d172497be7d27ce241b83;hb=e19ea8c9e6aca8bbec07daa20863442b10b7aa18;hpb=d77bff2588c15a18a6b83455fd8af19265726950 diff --git a/chroot-script b/chroot-script old mode 100644 new mode 100755 index 63bc8d8..b5e60b4 --- a/chroot-script +++ b/chroot-script @@ -4,155 +4,478 @@ # 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 22:27:09 CET 2006 [mika] ################################################################################ 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 +# variable checks {{{ + +# use aptitude only if it's available +if [ -x /usr/bin/aptitude ] ; then + APTINSTALL="aptitude -y --without-recommends install $DPKG_OPTIONS" + APTUPDATE='aptitude update' +else + APTINSTALL="apt-get --force-yes -y install $DPKG_OPTIONS" + APTUPDATE='apt-get update' +fi + +if [ -z "$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 + echo " Executing stage ${1}" + return 0 +} + +askpass() { + # read -s emulation for dash. result is in $resp. + set -o noglob + stty -echo + read resp + stty echo + set +o noglob +} +# }}} + +# define chroot mirror {{{ +chrootmirror() { + [ -n "$KEEP_SRC_LIST" ] && return + [ -z "$COMPONENTS" ] && COMPONENTS='main contrib non-free' + + if [ -n "$ISO" ] ; then + echo "deb $ISO $RELEASE $COMPONENTS" > /etc/apt/sources.list + [ -n "$MIRROR" ] && echo "deb $MIRROR $RELEASE $COMPONENTS" >> /etc/apt/sources.list || true + else + if [ -n "$MIRROR" ] ; then + echo "deb $MIRROR $RELEASE $COMPONENTS" > /etc/apt/sources.list + fi + fi +} +# }}} + +# set up grml repository {{{ +grmlrepos() { + if [ -n "$GRMLREPOS" ] ; then + # user might have provided their own apt sources.list + if ! grep -q grml /etc/apt/sources.list 2>/dev/null ; then + cat >> /etc/apt/sources.list << EOF -if ! [ -r /etc/kernel-img.conf ] ; then - echo "Setting up /etc/kernel-img.conf" - cat > /etc/kernel-img.conf << 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 + +EOF + fi + + # make sure we have the keys available for aptitude + gpg --keyserver subkeys.pgp.net --recv-keys F61E2E7CECDEA787 + gpg --export F61E2E7CECDEA787 | apt-key add - || 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 + 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 + 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 $(cat /etc/debootstrap/packages) - fi -fi +# make sure services do not start up {{{ +install_policy_rcd() { + if ! [ -r /usr/sbin/policy-rc.d ] ; then + export POLICYRCD=1 + cat > /usr/sbin/policy-rc.d << EOF +#!/bin/sh +exit 101 +EOF + chmod 775 /usr/sbin/policy-rc.d + fi +} +# }}} -if [ -n "$RECONFIGURE" ] ; then - for package in $RECONFIGURE ; do - dpkg --list $package 1>/dev/null 2>/dev/null && dpkg-reconfigure $package || echo "Warning: $package does not exist, can not reconfigure it." - done -fi +# remove now useless apt cache {{{ +remove_apt_cache() { + if [ "$RM_APTCACHE" = 'yes' ] ; then + echo "Cleaning apt cache." + apt-get clean + else + echo "Not cleaning apt cache as \$RM_APTCACHE is unset." + fi +} +# }}} -# set password of user root -echo "Activating shadow passwords." -shadowconfig on -echo "Setting password for user root:" -passwd -echo "" +# install additional packages {{{ +packages() { + # Pre-seed the debconf database with answers. Each question will be marked + # as seen to prevent debconf from asking the question interactively. + [ -f /etc/debootstrap/debconf-selections ] && { + echo "Preseeding the debconf database, some lines might be skipped..." + cat /etc/debootstrap/debconf-selections | debconf-set-selections + } -if ! [ -f /etc/hosts ] ; then - echo "Setting up /etc/hosts" - echo "127.0.0.1 localhost $HOSTNAME" > /etc/hosts -fi + if [ "$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 $(grep -v '^#' /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 +} +# }}} + +# 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 + $APTUPDATE + # note: install busybox to be able to debug initramfs + KERNELPACKAGES="linux-image-$KERNEL linux-headers-$KERNEL busybox" + DEBIAN_FRONTEND=$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: $package does not exist, can not reconfigure it." + done + fi +} +# }}} + +# set password of user root {{{ +passwords() +{ + echo "Activating shadow passwords." + shadowconfig on + + CHPASSWD_OPTION= + if chpasswd --help 2>&1 | grep -q -- '-m,' ; then + CHPASSWD_OPTION='-m' + fi + + + if [ -n "$ROOTPASSWORD" ] ; then + echo root:"$ROOTPASSWORD" | chpasswd $CHPASSWD_OPTION + export ROOTPASSWORD='' + else + a='1' + b='2' + echo "Setting password for user root:" + while [ "$a" != "$b" ] ; do + echo -n "Enter new UNIX password for user root: " + askpass + a="$resp" + unset resp + echo + echo -n "Retype new UNIX password for user root: " + askpass + b="$resp" + unset resp + echo + if [ "$a" != "$b" ] ; then + echo "Sorry, passwords do not match. Retry." + a='1' + b='2' + else + echo root:"$a" | chpasswd $CHPASSWD_OPTION + unset a + unset b + fi + done + fi +} +# }}} + +# set up /etc/hosts {{{ +hosts() { + if [ -f /etc/hosts ] ; then + sed -i "s#127.0.0.1 .*#127.0.0.1 localhost $HOSTNAME#" /etc/hosts + [ -n "$HOSTNAME" ] && sed -i "s/grml/$HOSTNAME/g" /etc/hosts + else + cat > /etc/hosts << EOF +127.0.0.1 localhost $HOSTNAME + +#127.0.0.1 localhost +#127.0.1.1 $HOSTNAME.example.org $HOSTNAME + +# The following lines are desirable for IPv6 capable hosts +#::1 ip6-localhost ip6-loopback $HOSTNAME +::1 ip6-localhost ip6-loopback +fe00::0 ip6-localnet +ff00::0 ip6-mcastprefix +ff02::1 ip6-allnodes +ff02::2 ip6-allrouters +ff02::3 ip6-allhosts +EOF + fi +} +# }}} -if ! [ -f /etc/network/interfaces ] ; then - echo "Setting up /etc/network/interfaces" - cat >> /etc/network/interfaces << EOF +# set up /etc/network/interfaces {{{ +interfaces() { + if ! [ -r /etc/network/interfaces ] || ! grep -q "auto lo" /etc/network/interfaces ; then + echo "Setting up /etc/network/interfaces" + cat >> /etc/network/interfaces << EOF + +# loopback device: iface lo inet loopback -iface eth0 inet dhcp auto lo -auto eth0 + +# eth0: +# iface eth0 inet dhcp +# auto eth0 + EOF -fi + fi +} +# }}} -# adjust timezone -if [ -n "$TIMEZONE" ] ; then - echo "Adjusting /etc/localtime" - ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime +# adjust timezone {{{ +timezone() { + if [ -n "$TIMEZONE" ] ; then + echo "Adjusting /etc/localtime" + ln -sf /usr/share/zoneinfo/$TIMEZONE /etc/localtime + fi +} +# }}} + +# helper function for fstab() {{{ +createfstab(){ + echo "Setting up /etc/fstab" +if [ -n "$TARGET_UUID" ] ; then + echo "/dev/disk/by-uuid/${TARGET_UUID} / auto defaults,errors=remount-ro 0 1" > /etc/fstab +else + echo "${TARGET} / auto defaults,errors=remount-ro 0 1" > /etc/fstab fi -function createfstab(){ - echo "Setting up /etc/fstab" -cat > /etc/fstab << EOF -$TARGET / auto defaults,errors=remount-ro 0 1 -sysfs /sys sysfs auto 0 0 -proc /proc proc defaults 0 0 -/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 -# /dev/sda2 none swap sw 0 0 +cat >> /etc/fstab << EOF +proc /proc proc defaults 0 0 +/sys /sys sysfs noauto,rw,nosuid,nodev,noexec 0 0 +/dev/cdrom /mnt/cdrom0 iso9660 ro,user,noauto 0 0 +# some other examples: +# /dev/sda2 none swap sw,pri=0 0 0 +# /dev/hda1 /Grml ext3 dev,suid,user,noauto 0 2 +# //1.2.3.4/pub /smb/pub smbfs defaults,user,noauto,uid=grml,gid=grml 0 0 +# linux:/pub /beer nfs defaults 0 0 +# tmpfs /tmp tmpfs size=300M 0 0 +# /dev/sda5 none swap sw 0 0 EOF } +# }}} -# set up /etc/fstab if file is not present (cdebootstrap) -if [ ! -f /etc/fstab ] ; then - createfstab -fi +# generate /etc/fstab {{{ +fstab() { + # set up /etc/fstab if file is not present (cdebootstrap) + if [ ! -f /etc/fstab ] ; then + createfstab + fi -# set up /etc/fstab if file is UNCONFIGURED (debootstrap) -if grep -q UNCONFIGURED /etc/fstab ; then - createfstab -fi + # set up /etc/fstab if file is UNCONFIGURED (debootstrap) + if grep -q UNCONFIGURED /etc/fstab ; then + createfstab + fi +} +# }}} -# set up hostname -if [ -n "$HOSTNAME" ] ; then - echo "Setting hostname to ${HOSTNAME}." - echo "$HOSTNAME" > /etc/hostname -fi +# set up hostname {{{ +hostname() { + if [ -n "$HOSTNAME" ] ; then + echo "Setting hostname to ${HOSTNAME}." + echo "$HOSTNAME" > /etc/hostname -# create default devices -if ! [ -r /dev/hda20 ] ; then - echo "Creating generic devices in /dev - this might take a while..." - cd /dev && MAKEDEV generic -fi + # adjust postfix configuration + if [ -r /etc/postfix/main.cf ] ; then + # adjust hostname related options: + sed -i "s/grml/$HOSTNAME/g" /etc/postfix/main.cf -# assume the first available kernel as our main kernel -KERNELIMG=$(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 + # listen on loopback interface only: + sed -i "s/^inet_interfaces = .*/inet_interfaces = loopback-only/" /etc/postfix/main.cf + grep -q inet_interfaces /etc/postfix/main.cf || echo 'inet_interfaces = loopback-only' >> /etc/postfix/main.cf + fi + fi +} +# }}} -if [ -n "$GROOT" ] ; then - echo "Installing grub" - - # copy stage-files to /boot/grub/ - [ -d /boot/grub/ ] || mkdir /boot/grub - cp /usr/lib/grub/i386-pc/* /boot/grub/ - - # finally install grub - update-grub -y - sed -i "s/groot=.*/groot=(${GROOT})/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 - update-grub -y - - if [ -z "$MBR" ] ; then - echo "Notice: \$MBR not set, will not install grub therefor." - else - cp /proc/mounts /etc/mtab - grub-install "$MBR" - rm /etc/mtab - fi -fi +# generate initrd/initramfs {{{ +initrd() { + # assume the first available kernel as our main kernel + KERNELIMG=$(ls -1 /boot/vmlinuz-* 2>/dev/null | head -1) + if [ -z "$KERNELIMG" ] ; then + echo 'No kernel image found, skipping initrd stuff.'>&2 + return + fi + + KERNELVER=${KERNELIMG#/boot/vmlinuz-} + + # generate initrd + if [ -n "$INITRD" ] ; then + echo "Generating initrd." + update-initramfs -c -t -k $KERNELVER + fi +} +# }}} + +# grub configuration/installation {{{ +grub_config() { + if [ -z "$GRUB" ] ; then + echo "Warning: \$GRUB is not defined, will not adjust grub configuration therefore." + else + echo "Adjusting grub configuration for use on ${GRUB}." + + # finally install grub + if [ -x /usr/sbin/update-grub ] ; then + UPDATEGRUB='/usr/sbin/update-grub' + elif [ -x /sbin/update-grub ] ; then + UPDATEGRUB='/sbin/update-grub' + else + echo "Error: update-grub not available, can not execute it." + return 1 + fi + + # grub2: + $UPDATEGRUB + fi +} +# }}} + +# execute all scripts present in /etc/debootstrap/chroot-scripts/ {{{ +custom_scripts() { + [ -d /etc/debootstrap/chroot-scripts/ ] || return 0 + + for script in /etc/debootstrap/chroot-scripts/* ; do + echo "Executing script $script" + $script && echo "done" || echo "failed" + done +} +# }}} + +# make sure we don't have any running processes left {{{ +services() { + for service in ssh mdadm mdadm-raid ; do + if [ -x /etc/init.d/"$service" ] ; then + /etc/init.d/"$service" stop || true + fi + done +} +# }}} + +# unmount /proc and make sure nothing is left {{{ +finalize() { + # make sure we don't leave any sensible data + rm -f /etc/debootstrap/variables + + [ -n "$POLICYRCD" ] && rm -f /usr/sbin/policy-rc.d + + umount /proc >/dev/null 2>/dev/null || true +} +# }}} + +# signal handler {{{ +signal_handler() { + finalize + [ -n "$1" ] && EXIT="$1" || EXIT="1" + exit "$EXIT" +} +# }}} + +# set signal handler {{{ +trap signal_handler HUP INT QUIT TERM +# }}} + +# execute the functions {{{ -# make sure we don't have any running processes left -[ -x /etc/init.d/ssh ] && /etc/init.d/ssh stop + # always execute install_policy_rcd + install_policy_rcd -# unmount all filesystems in chroot, make sure nothing is left... -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 + for i in chrootmirror grmlrepos kernelimg_conf \ + kernel packages extrapackages reconfigure hosts interfaces \ + timezone fstab hostname initrd grub_config passwords \ + custom_scripts remove_apt_cache services ; do + if stage $i ; then + $i && stage $i done || exit 1 + fi + done + # always execute the finalize stage: + finalize +# }}} -# finally exit the chroot -echo "Finished chroot installation, exiting." -exit 0 +# finally exit the chroot {{{ + echo "Finished chroot installation, exiting." + exit 0 +# }}} ## END OF FILE ################################################################# +# vim: ai tw=80 expandtab foldmethod=marker