X-Git-Url: http://ftp.carnet.hr/carnet-debian/scm?a=blobdiff_plain;f=debian%2Fpostinst;h=425e879af282ed063772baf2d35cb40fe7d6e2c7;hb=HEAD;hp=4483849ec20dfd664f8cf05bf4229e0947878a4a;hpb=85bec473cb845942e27c341d6410f60f6e4460c7;p=kernel-cn.git diff --git a/debian/postinst b/debian/postinst index 4483849..425e879 100755 --- a/debian/postinst +++ b/debian/postinst @@ -1,40 +1,18 @@ #!/bin/sh -# postinst script for kernel-2.6-cn -# -# see: dh_installdeb(1) set -e -# summary of how this script can be called: -# * `configure' -# * `abort-upgrade' -# * `abort-remove' `in-favour' -# -# * `abort-deconfigure' `in-favour' -# `removing' -# -# for details, see http://www.debian.org/doc/debian-policy/ or -# the debian-policy package -# - -case "$1" in - configure|reconfigure) - # continue below - ;; - - *) - exit 0 - ;; -esac - -# Source debconf library. +[ "$1" = "configure" ] || exit 0 +[ "$DEBIAN_SCRIPT_DEBUG" ] && set -vx + +# Load Debconf . /usr/share/debconf/confmodule -# import CN-functions +# import CARNet Tools . /usr/share/carnet-tools/functions.sh # import GRUB helper functions -. /usr/share/kernel-2.6-cn/grub-functions.sh +. /usr/share/kernel-cn/grub-functions.sh ################################################################################ @@ -89,7 +67,7 @@ echo "." # detect existing Grub2 installation GRUB2="no" -if [ -e /boot/grub/grub.cfg ]; then +if [ \( -e /boot/grub/grub.cfg \) -o \( -e /boot/grub/core.img \) -o \( -e /usr/lib/grub/i386-pc/ext2.mod \) ]; then echo "CN: Detected GRUB2 installation, will try to use it." GRUB2="yes" if [ -e /boot/grub/menu.lst ]; then @@ -101,6 +79,17 @@ fi ################################################################################ +# check if we are under Xen DomU PV +# (perhaps check /sys/hypervisor/uuid in the future) + +GRUB_MBR="yes" +if [ \( -w /dev/xvda \) -o \( -w /dev/xvdb \) ]; then + echo "CN: Detected DomU instance, won't install Grub MBR." + GRUB_MBR="no" +fi + +################################################################################ + # intro msg echo -n "CN: Configuring system (this will take a while):" @@ -178,6 +167,7 @@ if [ "x$GRUB2" = "xno" ]; then fi else # Grub2 part + touch /boot/grub/grub.cfg update-grub >/dev/null 2>&1 || true fi echo -n " grub2" @@ -210,7 +200,7 @@ rm -f /etc/udev/rules.d/devfs.rules /etc/udev/rules.d/compat.rules \ # ln -s ../udev.rules /etc/udev/rules.d/udev.rules #fi udevadm control --reload_rules >/dev/null 2>&1 || true -udevsettle || true +udevadm settle || true echo -n " udev" # update device map if possible @@ -219,7 +209,14 @@ if [ "x$GRUB2" = "xno" ]; then if [ -f "$device_map" ]; then mv -f "$device_map" "$device_map.old" fi - grub --batch --no-floppy --device-map="$device_map" <<'EOF' >/dev/null 2>&1 + # possible situation when upgrading from Grub1 to Grub2 + if [ ! -x /usr/sbin/grub ]; then + echo "." + echo "CN: FATAL ERROR while trying to execute GRUB1!" + echo "CN: Do not reboot your server and report this to syshelp@carnet.hr immediately!" + exit 1 + fi + grub --batch --no-floppy --device-map="$device_map" <<'EOF' >/dev/null 2>&1 || true quit EOF if [ ! -s "$device_map" ]; then @@ -232,52 +229,56 @@ EOF fi else # Grub2 part - grub-mkdevicemap -n + grub-mkdevicemap --no-floppy >/dev/null 2>&1 || true + grub-install --no-floppy --grub-setup=/bin/true "$(grub-probe -t drive /boot/grub)" >/dev/null 2>&1 || true fi echo -n " grub3" # import GRUB helper functions (again, updated device map) -. /usr/share/kernel-2.6-cn/grub-functions.sh +. /usr/share/kernel-cn/grub-functions.sh -# get install device (0x80 BIOS device) -# this will work for both Grub1 and Grub2 -if [ "x$GRUB2" = "xyes" ]; then - device_map=/boot/grub/device.map -fi -install_device=$(grep '^(hd0)' "$device_map" | \ - sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%') -if [ -z "$install_device" ]; then - echo "." - echo "CN: FATAL ERROR while detecting boot disk!" - echo "CN: Do not reboot your server and report this to OTRS immediately!" - exit 1 -fi - -# oops, install device is a symlink... -if [ -h "$install_device" ]; then - install_device_resolved=$(resolve_symlink "$install_device") - if [ -z "$install_device_resolved" ]; then - install_device_resolved="$install_device" +if [ "x$GRUB2" = "xno" ]; then + # Grub1 part + # get install device (0x80 BIOS device) + install_device=$(grep '^(hd0)' "$device_map" | \ + sed -e 's%[^[:space:]]*[[:space:]]*\([^[:space:]]*\)%\1%') + if [ -z "$install_device" ]; then + echo "." + echo "CN: FATAL ERROR while detecting boot disk!" + echo "CN: Do not reboot your server and report this to syshelp@carnet.hr immediately!" + exit 1 fi - # try to fix device map with symlink resolved device - if [ "x$install_device_resolved" != "x$install_device" ]; then - cp_check_and_sed '^\(hd0\)' \ - "s;^(hd0).*;(hd0) $install_device_resolved;" "$device_map" \ - || true + # oops, install device is a symlink... + if [ -h "$install_device" ]; then + install_device_resolved=$(resolve_symlink "$install_device") + if [ -z "$install_device_resolved" ]; then + install_device_resolved="$install_device" + fi + + # try to fix device map with symlink resolved device + if [ "x$install_device_resolved" != "x$install_device" ]; then + cp_check_and_sed '^\(hd0\)' \ + "s;^(hd0).*;(hd0) $install_device_resolved;" "$device_map" \ + || true + fi fi +else + # Grub2 part + install_device="(hd0)" fi echo -n " grub4" -# install GRUB loader -# this will work for both Grub1 and Grub2 -if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then - echo "." - echo "CN: FATAL ERROR while running grub-install!" - echo "CN: Do not reboot your server and report this to OTRS immediately!" - exit 1 +# install GRUB loader: this will work for both Grub1 and Grub2 +if [ "x$GRUB_MBR" = "xyes" ]; then + if ! grub-install --no-floppy "$install_device" >/dev/null 2>&1; then + echo "." + echo "CN: FATAL ERROR while running grub-install on $install_device!" + echo "CN: Do not reboot your server and report this to syshelp@carnet.hr immediately!" + exit 1 + fi + echo -n " grub5" fi -echo -n " grub5" # fix possible wrong params in menu.lst if [ "x$GRUB2" = "xno" ]; then @@ -321,6 +322,22 @@ if [ "x$GRUB2" = "xno" ]; then fi echo -n " grub7" +# install to other boot sectors if needed (better safe than sorry) +if [ "x$GRUB_MBR" = "xyes" ]; then + if [ "x$GRUB2" = "xyes" ]; then + # Grub2 part + db_get grub-pc/install_devices + for i in `echo $RET | sed -e 's/,/ /g'`; do + real_device="$(readlink -f "$i")" + if [ -e "$real_device" ]; then + grub-install --force --no-floppy $real_device \ + >/dev/null 2>&1 || true + fi + done + fi + echo -n " grub8" +fi + # disable lilo if [ -e /etc/lilo.conf ]; then mv -f /etc/lilo.conf /etc/lilo.conf.old @@ -380,7 +397,7 @@ rm -f /etc/sysctl.conf.$$ # old kernel params (skipping some of the obsolete or overrided entries) if [ -e /etc/sysctl.conf ]; then - egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies|kernel\.exec-shield|net\.ipv4\.tcp_max_syn_backlog|net\.ipv4\.tcp_congestion_control|kernel\.exec-shield' \ + egrep -v 'net\.core\.(r|w)mem_max|net\.ipv4\.tcp_(r|w)mem|vm\.bdflush|net\.ipv4\.ip_local_port_range|kernel\.rtsig-max|net\.ipv4\.tcp_syncookies|kernel\.exec-shield|net\.ipv4\.tcp_max_syn_backlog|net\.ipv4\.tcp_congestion_control|kernel\.maps_protect' \ /etc/sysctl.conf >> /etc/sysctl.conf.$$ fi @@ -388,7 +405,10 @@ fi cp_mv /etc/sysctl.conf.$$ /etc/sysctl.conf echo -n " sysctl.conf" -# finished with basic kernel-2.6-cn stuff +# reload sysctl ASAP +service procps restart + +# finished with basic kernel-cn stuff echo "." ################################################################################ @@ -400,7 +420,7 @@ echo -n "CN: Setting up PAM configurations:" if [ -e /etc/security/limits.conf ]; then rm -f /etc/security/limits.conf.$$ cp /etc/security/limits.conf /etc/security/limits.conf.$$ - cp-update kernel-2.6-cn /etc/security/limits.conf.$$ <<'EOF' + cp-update kernel-cn /etc/security/limits.conf.$$ <<'EOF' * soft core 0 * hard nofile 16384 * soft nofile 16384 @@ -432,72 +452,6 @@ echo "." ################################################################################ -# fix old kernel-2.4-cn postrm -if [ -e /var/lib/dpkg/info/kernel-2.4-cn.postrm ]; then - echo "CN: Fixed old kernel-2.4-cn postrm." - cat > /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ <<'EOF' -#!/bin/sh - -set -e - -# be sure, be safe -if [ "$1" != "remove" ]; then - exit 0 -fi - -# import CN-functions -. /usr/share/carnet-tools/functions.sh - -# remove us from limits.conf -cp-update -r kernel-2.4-cn /etc/security/limits.conf - -# remove us from modules -cp-update -r kernel-2.4-cn /etc/modules -EOF - if ! cmp -s /var/lib/dpkg/info/kernel-2.4-cn.postrm \ - /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$; then - mv /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ \ - /var/lib/dpkg/info/kernel-2.4-cn.postrm - chmod +x /var/lib/dpkg/info/kernel-2.4-cn.postrm - fi - rm -f /var/lib/dpkg/info/kernel-2.4-cn.postrm.$$ -fi - -################################################################################ - -# fix old kernel-cn postrm -if [ -e /var/lib/dpkg/info/kernel-cn.postrm ]; then - echo "CN: Fixed old kernel-cn postrm." - cat > /var/lib/dpkg/info/kernel-cn.postrm.$$ <<'EOF' -#!/bin/sh - -set -e - -# be sure, be safe -if [ "$1" != "remove" ]; then - exit 0 -fi - -# import CN-functions -. /usr/share/carnet-tools/functions.sh - -# remove us from limits.conf -cp-update -r kernel-cn /etc/security/limits.conf - -# remove us from modules -cp-update -r kernel-cn /etc/modules -EOF - if ! cmp -s /var/lib/dpkg/info/kernel-cn.postrm \ - /var/lib/dpkg/info/kernel-cn.postrm.$$; then - mv /var/lib/dpkg/info/kernel-cn.postrm.$$ \ - /var/lib/dpkg/info/kernel-cn.postrm - chmod +x /var/lib/dpkg/info/kernel-cn.postrm - fi - rm -f /var/lib/dpkg/info/kernel-cn.postrm.$$ -fi - -################################################################################ - # dh_installdeb will replace this with shell code automatically # generated by other debhelper scripts.