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lange |
1370 |
#! /bin/sh |
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lange |
1300 |
# $Id$ |
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#********************************************************************* |
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# |
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# subroutines -- useful subroutines for FAI |
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# |
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# This script is part of FAI (Fully Automatic Installation) |
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# (c) 2000-2002 by Thomas Lange, lange@informatik.uni-koeln.de |
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# Universitaet zu Koeln |
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# |
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#********************************************************************* |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# This program is distributed in the hope that it will be useful, but |
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# WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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# General Public License for more details. |
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# |
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# A copy of the GNU General Public License is available as |
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# `/usr/share/common-licences/GPL' in the Debian GNU/Linux distribution |
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# or on the World Wide Web at http://www.gnu.org/copyleft/gpl.html. You |
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# can also obtain it by writing to the Free Software Foundation, Inc., |
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# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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#********************************************************************* |
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# source this file, then you have these function available in the shell |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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die() { |
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# echo comment and exit installation |
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echo "$@" |
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exec bash |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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defnop() { |
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# define given list of subroutine names as dummy function; |
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# this will fake unknown commands |
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local name |
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for name in "$@";do |
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eval "$name () { :;}" |
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done |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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islinux() { |
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# test is we are running on Linux |
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# [ X$OS_TYPE = X ] && OS_TYPE=`uname -s | tr '[A-Z]' '[a-z]' |
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if [ X$OS_TYPE = Xlinux ]; then |
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return 0 |
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else |
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return 1 |
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fi |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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ifclass() { |
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lange |
1401 |
[ "$debug" ] && set +vx |
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lange |
1300 |
# test if a class is defined |
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local cl |
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lange |
1401 |
local ret=1 |
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lange |
1300 |
for cl in $classes; do |
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lange |
1401 |
[ x$cl = x$1 ] && ret=0 && break |
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lange |
1300 |
done |
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lange |
1401 |
[ "$debug" ] && set -vx |
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return $ret |
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lange |
1300 |
} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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create_resolv_conf() { |
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lange |
1329 |
# can be an extern script |
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lange |
1300 |
# create a resolv.conf using the DHCP or BOOTP information |
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if [ "$DNSSRVS" ]; then |
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[ "$DOMAIN" ] && echo "domain $DOMAIN" >/tmp/etc/resolv.conf |
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for dnshost in $DNSSRVS ; do |
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echo "nameserver $dnshost" >>/tmp/etc/resolv.conf |
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done |
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fi |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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rwmount() { |
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# remount partition read/write |
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mount -o rw,remount $1 |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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save_dmesg() { |
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dmesg > $LOGDIR/dmesg.log |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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wait_for_jobs() { |
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lange |
1329 |
# can be an extern script |
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lange |
1300 |
# wait for running (background) jobs to finish (e.g. update-auctex-elisp) |
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local i=0 |
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while (jobsrunning); do |
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[ $(($i % 3)) -eq 0 ] && echo "Waiting for background jobs to finish." |
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i=$(($i+1)) |
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sleep 10 |
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done |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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task() { |
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# hooks are called before a task is called |
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# if a task is skipped, also its hooks are skipped |
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# a hook can set the flag, so the accociated task is skipped |
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local taskname=$1 |
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[ -f $LOGDIR/skip.$taskname ] || call_hook $taskname |
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if [ -f $LOGDIR/skip.$taskname ]; then |
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# skip task |
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rm $LOGDIR/skip.$taskname |
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[ "$verbose" ] && echo "Skiping task_$taskname" |
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else |
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echo "Calling task_$taskname" |
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task_$taskname |
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fi |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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call_hook() { |
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local hook=$1 |
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local cl dflag hfile |
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[ "$debug" ] && dflag="-d" |
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for cl in $classes; do |
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hfile=$FAI/hooks/${hook}.$cl |
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if [ -x $hfile ]; then |
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lange |
1415 |
echo -n "Call hook: $hook.$cl" |
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lange |
1300 |
# execute the hook |
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$hfile $dflag |
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lange |
1415 |
check_status $hfile $? |
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lange |
1300 |
fi |
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if [ -x $hfile.source ]; then |
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lange |
1415 |
echo -n "Source hook: $hook.$cl.source" |
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lange |
1300 |
# source this hook |
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. $hfile.source $dflag |
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lange |
1415 |
check_status $hfile.source $? |
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lange |
1300 |
fi |
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done |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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skiptask() { |
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# mark all given tasks, so they will be skipped |
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local tasklist="$@" |
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local task |
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for task in $tasklist; do |
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> $LOGDIR/skip.$task |
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done |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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get_fai_dir() { |
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# get /fai directory; mount it or get it from a cvs repository |
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if [ -z "$FAI_LOCATION" ]; then |
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[ "$debug" ] && echo "Warning $0: \$FAI_LOCATION not defined." |
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get_fai_cvs |
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else |
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mount $romountopt $FAI_LOCATION $FAI && |
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echo "$FAI mounted from $FAI_LOCATION" |
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fi |
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# source user specific subroutines |
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[ -f $FAI/hooks/subroutines ] && . $FAI/hooks/subroutines |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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get_fai_cvs() { |
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# subroutine which gets $FAI (/fai) configuration directory from |
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# a cvs repository. You can redefine this subroutine if you need |
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# access via ftp, http, or from a database |
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if [ "$FAI_CVSROOT" ] ; then |
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local TAG="" |
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echo "Checking out CVS" |
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[ -n "$FAI_CVSTAG" ] && TAG="-r $FAI_CVSTAG" |
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export FAI_CONFIG_AREA=$FAI |
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export FAI=/tmp/$(basename $FAI_CONFIG_AREA) |
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[ "$debug" ] && echo "\$FAI now points to $FAI" |
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if [ -d "$FAI_CONFIG_AREA" ] ; then |
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echo "Config found at $FAI_CONFIG_AREA: Copying" |
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cp -a $FAI_CONFIG_AREA $FAI |
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fi |
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cd /tmp |
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cvs -q -d"$FAI_CVSROOT" co -P -d $(basename "$FAI") \ |
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$TAG $FAI_CVSMODULE > $LOGDIR/cvs.log |
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else |
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echo "Warning $0: Neither \$FAI_LOCATION nor \$FAI_CVSROOT are defined." |
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fi |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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define_fai_flags() { |
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# FAI_FLAGS are now comma separated, define all flags |
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FAI_FLAGS=`echo $FAI_FLAGS | sed -e 's/,/ /g'` |
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for flag in $FAI_FLAGS; do |
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# define this flag as 1 |
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eval "$flag=1" |
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[ "$verbose" ] && echo "FAI_FLAGS: $flag=1" |
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done |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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task_setup() { |
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local flag |
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# set the system time and date using rdate or/and ntpdate |
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[ "$TIMESRVS_1" ] && rdate $TIMESRVS_1 |
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[ "$NTPSRVS_1" ] && ntpdate -b -v $NTPSRVS |
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define_fai_flags |
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DNSDOMAIN=$DOMAIN # cfengine 1.5.3 can't use $DOMAIN |
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devnull=/dev/null |
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[ "$debug" ] && devnull=/dev/console |
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# not yet used, maybe use a hook for that |
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# if [ "$FAI_EXTRA_MOUNT" ]; then |
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# mount $romountopt -n $FAI_EXTRA_MOUNT && echo "$FAI_EXTRA_MOUNT mounted" |
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# fi |
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[ "$createvt" ] && { |
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# create two virtual terminals; acces via alt-F2 and alt-F3 |
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echo "Press ctrl-c to interrupt FAI and to get a shell" |
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openvt -c2 /bin/bash ; openvt -c3 /bin/bash |
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trap 'echo "You can reboot with faireboot";bash' INT QUIT |
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} |
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# start secure shell daemon for remote access |
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[ "$sshd" -a -x /usr/sbin/sshd ] && /usr/sbin/sshd |
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disk_info # get and define all information of local disks |
| 245 |
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| 246 |
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# when did FAI start, using localtime |
| 247 |
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RUNDATE=$(date +'%Y%m%d_%H%M%S') |
| 248 |
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| 249 |
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cat >> $rcsfaivar <<-EOM |
| 250 |
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RUNDATE=$RUNDATE |
| 251 |
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FAI_ACTION=$FAI_ACTION |
| 252 |
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LOGDIR=$LOGDIR |
| 253 |
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EOM |
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} |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
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task_action() { |
| 257 |
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| 258 |
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echo "FAI_ACTION: $FAI_ACTION" |
| 259 |
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case $FAI_ACTION in |
| 260 |
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| 261 |
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install) |
| 262 |
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echo Performing FAI installation. All data may be overwritten! |
| 263 |
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task install |
| 264 |
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;; |
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sysinfo) |
| 266 |
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echo Showing system information. |
| 267 |
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task sysinfo |
| 268 |
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die Now you have a shell. |
| 269 |
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;; |
| 270 |
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backup) |
| 271 |
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echo Doing backup of multiple partitions. |
| 272 |
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task backup |
| 273 |
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;; |
| 274 |
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*) |
| 275 |
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if [ -f $FAI/hooks/$FAI_ACTION ]; then |
| 276 |
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echo "Calling user defined action: $FAI_ACTION" |
| 277 |
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$FAI/hooks/$FAI_ACTION |
| 278 |
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else |
| 279 |
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echo "ERROR: User defined action $FAI/hooks/$FAI_ACTION not found." |
| 280 |
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task_faiend |
| 281 |
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fi |
| 282 |
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;; |
| 283 |
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esac |
| 284 |
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} |
| 285 |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 286 |
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task_defclass() { |
| 287 |
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| 288 |
lange |
1347 |
local class |
| 289 |
lange |
1300 |
|
| 290 |
lange |
1347 |
# new script for defining classes; variables imported: $LOGDIR, $verbose, $debug |
| 291 |
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fai-class $FAI/class $LOGDIR/FAI_CLASSES |
| 292 |
lange |
1300 |
|
| 293 |
lange |
1347 |
classes=`cat $LOGDIR/FAI_CLASSES` |
| 294 |
lange |
1300 |
|
| 295 |
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# also define all classes in reverse order ($revclasses) |
| 296 |
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for class in $classes ; do |
| 297 |
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revclasses="$class $revclasses" |
| 298 |
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done |
| 299 |
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| 300 |
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# define classes as: a.b.c.d for cfengine -D |
| 301 |
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# this doesn't work without echo |
| 302 |
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cfclasses=`echo $classes` |
| 303 |
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cfclasses=${cfclasses// /.} |
| 304 |
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[ "$debug" ] && echo "cfclasses: $cfclasses" |
| 305 |
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} |
| 306 |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 307 |
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task_defvar() { |
| 308 |
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| 309 |
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local class |
| 310 |
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cd $FAI/class |
| 311 |
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for class in $classes ; do |
| 312 |
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if [ -f $class.var ]; then |
| 313 |
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[ "$verbose" ] && echo "Executing $class.var" |
| 314 |
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[ "$debug" ] && set -vx |
| 315 |
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. $class.var </dev/null |
| 316 |
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[ "$debug" ] && set +vx |
| 317 |
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fi |
| 318 |
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done |
| 319 |
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| 320 |
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# /fai/class/S* scripts or hooks can write variable definitions |
| 321 |
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# to additonal.var. now source these definitions |
| 322 |
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[ "$debug" ] && set -vx |
| 323 |
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[ -f $LOGDIR/additional.var ] && . $LOGDIR/additional.var |
| 324 |
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[ "$debug" ] && set +vx |
| 325 |
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} |
| 326 |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 327 |
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task_mountdisks() { |
| 328 |
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| 329 |
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[ ! -f $LOGDIR/$fstab ] && die "No $LOGDIR/$fstab created." |
| 330 |
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if islinux; then |
| 331 |
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# mount swap space |
| 332 |
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local sd vflag |
| 333 |
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[ "$verbose" ] && vflag=-v |
| 334 |
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for sd in $SWAPLIST; do |
| 335 |
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swapon $vflag $sd |
| 336 |
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done |
| 337 |
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fi |
| 338 |
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mount2dir $FAI_ROOT $LOGDIR/$fstab |
| 339 |
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} |
| 340 |
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 341 |
|
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task_configure() { |
| 342 |
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| 343 |
|
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# execute all scripts that match the name of a class. |
| 344 |
|
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# If class is a directory, execute all $class/S[0-9]* scripts in |
| 345 |
|
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# it, but do not execute files ending in ~ |
| 346 |
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| 347 |
|
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local class f |
| 348 |
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|
| 349 |
|
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cd $FAI/scripts |
| 350 |
|
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for class in $classes ; do |
| 351 |
|
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[ -x $class -a -f $class ] && do_script $class |
| 352 |
|
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if [ -d $class ]; then |
| 353 |
|
|
for f in `ls $class/S[0-9]*[^~]` ; do |
| 354 |
|
|
[ -x $f -a -f $f ] && do_script $f |
| 355 |
|
|
done |
| 356 |
|
|
fi |
| 357 |
|
|
done |
| 358 |
|
|
} |
| 359 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 360 |
|
|
do_script() { |
| 361 |
|
|
|
| 362 |
|
|
# execute scripts and save their outpu in log files |
| 363 |
|
|
# cfengine, shell, perl and expect scripts are known types |
| 364 |
|
|
local shelldebug file filetype |
| 365 |
|
|
|
| 366 |
|
|
file=$1 |
| 367 |
|
|
|
| 368 |
|
|
cd $FAI/scripts |
| 369 |
|
|
filetype=`file $file` |
| 370 |
|
|
shelldebug= |
| 371 |
|
|
case $filetype in |
| 372 |
|
|
*"Bourne shell script"*) |
| 373 |
|
|
[ "$debug" ] && shelldebug="sh -x" ;; |
| 374 |
|
|
*"Bourne-Again shell script"*) |
| 375 |
|
|
[ "$debug" ] && shelldebug="bash -x" ;; |
| 376 |
|
|
esac |
| 377 |
|
|
|
| 378 |
|
|
case $filetype in |
| 379 |
|
|
|
| 380 |
|
|
*"executable shell script"*|*"/bash script"*|*"Bourne shell script"*|*"Bourne-Again shell script"*) |
| 381 |
lange |
1374 |
echo "Executing $shelldebug shell: $file" |
| 382 |
lange |
1300 |
echo "===== shell: $file =====" >> $LOGDIR/shell.log 2>&1 |
| 383 |
|
|
$shelldebug ./$file >> $LOGDIR/shell.log 2>&1 |
| 384 |
lange |
1415 |
check_status $file $? |
| 385 |
lange |
1300 |
;; |
| 386 |
|
|
|
| 387 |
|
|
*"cfengine script"*) |
| 388 |
|
|
echo "Executing cfengine: $file" |
| 389 |
|
|
echo "===== cfengine: $file =====" >> $LOGDIR/cfengine.log 2>&1 |
| 390 |
|
|
./$file --no-lock -v -f $file -D${cfclasses} >> $LOGDIR/cfengine.log 2>&1 |
| 391 |
lange |
1415 |
check_status $file $? |
| 392 |
lange |
1300 |
;; |
| 393 |
|
|
|
| 394 |
|
|
*"perl script"*) |
| 395 |
lange |
1374 |
echo "Executing perl: $file" |
| 396 |
lange |
1300 |
echo "===== perl: $file =====" >> $LOGDIR/perl.log 2>&1 |
| 397 |
|
|
./$file >> $LOGDIR/perl.log 2>&1 |
| 398 |
lange |
1415 |
check_status $file $? |
| 399 |
lange |
1300 |
;; |
| 400 |
|
|
|
| 401 |
|
|
*"expect script"*) |
| 402 |
lange |
1374 |
echo "Executing expect: $file" |
| 403 |
lange |
1300 |
echo "===== expect: $file =====" >> $LOGDIR/expect.log 2>&1 |
| 404 |
|
|
./$file >> $LOGDIR/expect.log 2>&1 |
| 405 |
lange |
1415 |
check_status $file $? |
| 406 |
lange |
1300 |
;; |
| 407 |
|
|
|
| 408 |
|
|
*) echo "File $file has unsupported type $filetype." ;; |
| 409 |
|
|
esac |
| 410 |
|
|
} |
| 411 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 412 |
|
|
task_savelog() { |
| 413 |
|
|
|
| 414 |
lange |
1369 |
fai-savelog -l |
| 415 |
|
|
fai-savelog -r |
| 416 |
lange |
1300 |
} |
| 417 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 418 |
|
|
task_faiend() { |
| 419 |
|
|
|
| 420 |
|
|
wait_for_jobs |
| 421 |
|
|
echo "Press <RETURN> to reboot or ctrl-c to execute a shell" |
| 422 |
|
|
# reboot without prompting if FAI_FLAG reboot is set |
| 423 |
|
|
[ -z $reboot ] && read |
| 424 |
|
|
echo "Rebooting $HOSTNAME now" |
| 425 |
|
|
cd / |
| 426 |
|
|
sync |
| 427 |
|
|
umount -ar |
| 428 |
|
|
exec reboot -dfi |
| 429 |
|
|
} |
| 430 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 431 |
|
|
task_backup() { |
| 432 |
|
|
|
| 433 |
lange |
1365 |
die "Task backup not yet used. But you can use the hook backup." |
| 434 |
lange |
1300 |
# NOT YET USED. IT'S ONLY AN IDEA |
| 435 |
|
|
|
| 436 |
|
|
# FAI_BACKUP_LIST contains backup options |
| 437 |
|
|
# proposed format: "hda1 hda3 hda12 sda2 '0 0 1 1'" |
| 438 |
|
|
# list of devices list of backup levels |
| 439 |
|
|
# this subroutine is not yet tested, not yet used |
| 440 |
|
|
# It's only an idea how a backup could be made |
| 441 |
lange |
1365 |
# local partition |
| 442 |
lange |
1383 |
# fai-mount-disk |
| 443 |
lange |
1365 |
# for partition in $SAVE_DEVICES ; do |
| 444 |
lange |
1300 |
# tar cf - $FAI_ROOT/$partition | $FAI_REMOTESH -l $LOGUSER $SERVER dd if= of=$HOSTNAME.$partition.tar |
| 445 |
lange |
1365 |
# dump 0f $LOGUSER@$SERVER:backup/$HOSTNAME/$partition.dmp $FAI_ROOT/$partition |
| 446 |
|
|
# done |
| 447 |
lange |
1300 |
} |
| 448 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
| 449 |
|
|
task_install() { |
| 450 |
|
|
|
| 451 |
|
|
> $stamp |
| 452 |
|
|
|
| 453 |
|
|
save_dmesg |
| 454 |
|
|
load_keymap_consolechars |
| 455 |
|
|
|
| 456 |
|
|
task partition |
| 457 |
|
|
task mountdisks |
| 458 |
|
|
task extrbase |
| 459 |
|
|
task mirror |
| 460 |
|
|
task updatebase |
| 461 |
|
|
task instsoft |
| 462 |
|
|
task configure |
| 463 |
|
|
task finish |
| 464 |
|
|
date |
| 465 |
|
|
echo -e "FAI finished.\a" |
| 466 |
|
|
task chboot |
| 467 |
|
|
|
| 468 |
|
|
rm -f $stamp |
| 469 |
|
|
# save again, because new messages could be created |
| 470 |
|
|
save_dmesg |
| 471 |
|
|
task savelog |
| 472 |
|
|
|
| 473 |
|
|
if [ -f $stamp ]; then |
| 474 |
|
|
echo "Error while executing commands in subshell." |
| 475 |
|
|
echo "$stamp was not removed." |
| 476 |
|
|
die "Please look at the log files in $LOGDIR for errors." |
| 477 |
|
|
fi |
| 478 |
|
|
task faiend |
| 479 |
|
|
} |
| 480 |
|
|
# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
Parent Directory
| 
Revision Log