diff options
Diffstat (limited to 'boot-env/preboot-cd/init')
| -rwxr-xr-x | boot-env/preboot-cd/init | 60 |
1 files changed, 18 insertions, 42 deletions
diff --git a/boot-env/preboot-cd/init b/boot-env/preboot-cd/init index e25c8607..987c8192 100755 --- a/boot-env/preboot-cd/init +++ b/boot-env/preboot-cd/init @@ -1,5 +1,5 @@ #!/bin/ash -# Copyright (c) 2008 - OpenSLX GmbH +# Copyright (c) 2008..2009 - OpenSLX GmbH # # This program is free software distributed under the GPL version 2. # See http://openslx.org/COPYING @@ -9,8 +9,8 @@ # # General information about OpenSLX can be found at http://openslx.org # -# Main script for cd-boot demo initial ramfs - preloading environment for -# for running OpenSLX linux stateless clients version 4 for testing +# Main script for preboot initial ramfs - preloading environment for running +# OpenSLX linux stateless clients version 5 for testing fetchip () { # we expect to get an ip address within 10++ seconds @@ -34,10 +34,9 @@ done } ############################################################################# -# device files get their own filesystem (to be move mounted later) +# device files get their own filesystem devdir="/dev" mount -n -t tmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir} -NWMODULES="forcedeth e1000 e100 tg3 3c59x via-rhine r8169 pcnet32 b44 8139too" DEBUGLEVEL=0 # create basic device files an directories in dev (for most hardware related @@ -54,38 +53,20 @@ for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \ done mkdir -p ${devdir}/pts ${devdir}/shm ${devdir}/.udevdb ${devdir}/.udev -# source functions file common for all distros, messages contains all error -# and info output (for some reason the error output is not produced properly -# - crash) - # initramfs-setup configuration (common settings for all clients using a # certain InitRamFS generated by slxmkramfs/mkdxsinitrd) [ -f /etc/initramfs-setup ] && . /etc/initramfs-setup 2>/dev/null export PATH=/bin:/sbin:/usr/bin/:/usr/sbin -# set a default LAN interface, might be modified for WLAN or on machines with -# more than one ethernet card built in +# set a default LAN interface, has to be modified for WLAN or on machines +# with more than one ethernet card built in nwif="eth0" # mount the important standard directories [ ! -f /proc/cpuinfo ] && mount -n -t proc proc /proc [ ! -d /sys/class ] && mount -n -t sysfs sysfs /sys -# keep quiet -#echo "0 0 0 0" >/proc/sys/kernel/printk - -# fixme: shut down if script fails -trap "exec (sleep 30; echo o>/proc/sysrq-trigger)" \ - SIGHUP SIGINT SIGPIPE SIGTERM - -# if no kernel version is set, try to get it directly from /proc -if [ -z $KERNEL ] ; then - KERNEL=$(cat /proc/version) - KERNEL=${KERNEL#*version } - KERNEL=${KERNEL% (*) (*} -fi - # load network adaptor modules for mod in ${NWMODULES}; do modprobe ${MODPRV} $mod || echo "module $mod did not load for some reason" @@ -105,8 +86,9 @@ for opts in ${KCMDLINE} ; do esac done -# start a watchdog to ensure an automated reboot or halt of the machine if SLX -# init does not succeed (e.g. missing kernel module for the network adaptor) +# start a watchdog to ensure an automated reboot or halt of the machine if the +# preboot init does not succeed (e.g. missing kernel module/firmware for the +# network adaptor) if [ "${DEBUGLEVEL}" -gt 0 ] ; then cat<<EOF > /bin/watchdog #!/bin/ash @@ -146,15 +128,11 @@ ip route add default via $router # at this point a little selection script could be downloaded, which lets the # user choose what kind of SLX client he wants to get - -# get kernel and initramfs, if something fails start debug shell -echo "Fetching selected kernel and initial ramfs from the net ..." -( wget -q -c -O /tmp/kernel \ - ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/kernel 2>/dev/null && \ -wget -q -c -O /tmp/initramfs \ - ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/$file 2>/dev/null ) || \ - /bin/ash - +echo "Fetching preboot interactive part and configuration from the net ..." +wget -q -c -O /tmp/preboot.env \ + ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/${prebootid}.env +mkdir /preboot +tar -xzf /tmp/${prebootid}.env -C /preboot # start a debug shell if needed, else set quiet kernel parameter if [ "${DEBUGLEVEL}" -gt 0 ] ; then /bin/ash @@ -162,10 +140,8 @@ else quiet=quiet echo -e "\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n" fi +# run the preboot interactive part which finally will execute kexec +exec /preboot/preboot.sh +# we will never return from that one ... + -# start the new kernel with initialramfs and cmdline -echo "Booting OpenSLX client ..." -kexec -l /tmp/kernel --initrd=/tmp/initramfs \ - --append="ip=$ip:$siaddr:$router:$subnet \ - file=ftp://132.230.4.4/default.tgz debug=${DEBUGLEVEL} $quiet" -kexec -e |