* implemented creation of bootmenu for preboot environments

* separated general preboot-files from the cd-specific ones

git-svn-id: http://svn.openslx.org/svn/openslx/openslx/trunk@2539 95ad53e4-c205-0410-b2fa-d234c58c8868

8 files changed, 198 insertions, 0 deletions

diff --git a/boot-env/preboot/cd/iso/LICENSE b/boot-env/preboot/cd/iso/LICENSE
new file mode 100644
index 00000000..0dd34fa8
--- /dev/null
+++ b/boot-env/preboot/cd/iso/LICENSE
@@ -0,0 +1,2 @@
+This package is free software distributed under the GPL version 2.
+See http://openslx.org/COPYING
diff --git a/boot-env/preboot/cd/iso/README b/boot-env/preboot/cd/iso/README
new file mode 100644
index 00000000..f9abdbea
--- /dev/null
+++ b/boot-env/preboot/cd/iso/README
@@ -0,0 +1,6 @@
+You seem to have the OpenSLX network demo CD/DVD still in your optical
+drive! This is not required. You may safely remove the medium just
+after the first kernel/initramfs is loaded ...
+
+If you have any feedback please consult http://openslx.org/feedback
+and send your comments to feedback@openslx.org!
diff --git a/boot-env/preboot/cd/iso/isolinux/isolinux.bin b/boot-env/preboot/cd/iso/isolinux/isolinux.bin
new file mode 100644
index 00000000..8253549e
--- /dev/null
+++ b/boot-env/preboot/cd/iso/isolinux/isolinux.bin
diff --git a/boot-env/preboot/init b/boot-env/preboot/init
new file mode 100755
index 00000000..987c8192
--- /dev/null
+++ b/boot-env/preboot/init
@@ -0,0 +1,147 @@
+#!/bin/ash
+# Copyright (c) 2008..2009 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org
+#
+# 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
+( sleep 6 ; killall udhcpc >/dev/null 2>&1 ) &
+for i in 1 2 ; do
+  udhcpc -f -n -q $vci -s /usr/share/udhcpc/default.script -i $nwif 2>/dev/null
+  if grep "ip=" /tmp/ipstuff >/dev/null 2>&1 ; then
+    . /tmp/ipstuff
+    for i in $dns ; do
+      echo "nameserver $i" >> /etc/resolv.conf
+    done
+    return
+  else
+    if [ $i -eq 1 ] ; then
+      sleep 1
+    else
+      echo "Did not get any proper IP configuration"; /bin/ash
+    fi
+  fi
+done
+}
+
+#############################################################################
+# device files get their own filesystem
+devdir="/dev"
+mount -n -t tmpfs -o 'size=25%,mode=0755' initramfsdevs ${devdir}
+DEBUGLEVEL=0
+
+# create basic device files an directories in dev (for most hardware related
+# devices mdev should handle that)
+for i in "/dev/mem c 1 1" "/dev/null c 1 3" "/dev/zero c 1 5" \
+         "/dev/urandom c 1 9" "/dev/kmsg c 1 11" "/dev/tty0 c 4 0" \
+         "/dev/tty1 c 4 1" "/dev/tty2 c 4 2" "/dev/tty3 c 4 3" \
+         "/dev/tty4 c 4 4" "/dev/tty5 c 4 5" "/dev/tty6 c 4 6" \
+         "/dev/tty7 c 4 7" "/dev/tty8 c 4 8" "/dev/tty9 c 4 9" \
+         "/dev/tty10 c 4 10" "/dev/tty c 5 0" "/dev/console c 5 1" \
+         "/dev/ptmx c 5 2" "/dev/psaux c 10 1" "/dev/agpgart c 10 175" \
+         "/dev/fb0 c 29 0" "/dev/bootsplash p" "/dev/xconsole p"; do
+  mknod $i
+done
+mkdir -p ${devdir}/pts ${devdir}/shm ${devdir}/.udevdb ${devdir}/.udev
+
+# 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, 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
+
+# load network adaptor modules
+for mod in ${NWMODULES}; do
+  modprobe ${MODPRV} $mod || echo "module $mod did not load for some reason"
+  usleep 10000 
+done
+
+# read kernel commandline
+read KCMDLINE < /proc/cmdline
+# read the system wide machine-setup and then the kernel commandline
+for opts in ${KCMDLINE} ; do
+  case ${opts} in
+    debug)
+      DEBUGLEVEL=1;;
+    # ... or a specified debug level (will be passed to next stage)
+    debug=*)
+      DEBUGLEVEL=${opts#debug=};;
+  esac
+done
+
+# 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 [ "${DEBUGLEVEL}" -gt 0 ] ; then
+  cat<<EOF > /bin/watchdog
+#!/bin/ash
+echo \$$ > /tmp/watchdogpid
+[ ! -f /proc/version ] && mount -n -t proc proc /proc
+sleep 120 2> /dev/null
+echo "o" > /proc/sysrq-trigger
+EOF
+  chmod u+x /bin/watchdog
+  watchdog &
+fi
+
+if [ -n "${essid}" ] ; then
+  # WLAN setup will most probably change the network interface name stored in
+  # nwif (to wlan0 or something like that)
+  :
+else
+  # check here for the active ethernet link
+  ip link show dev eth1 >/dev/null 2>&1 && echo "more than one nw if found"
+fi
+
+# set up loopback networking and power up ethernet
+ip link set dev lo up
+ip addr add 127.0.0.1/8 dev lo
+ip link set dev $nwif up || echo "I did not find any usable network adaptor."
+
+# run udhcpc and start a debug shell if no lease could be obtained
+mkdir -p /usr/share/udhcpc
+echo -e "#!/bin/ash\nunset infomsg HOME IFS mask lease interface DEBUGLEVEL \
+BOOT_IMAGE\nset >/tmp/ipstuff" >/usr/share/udhcpc/default.script
+chmod u+x /usr/share/udhcpc/default.script
+modprobe -q af_packet
+[ -n $vci ] && vci="-V $vci"
+fetchip
+ip addr add $ip/$(ipcalc -s -p $ip $subnet|sed s/.*=//) dev $nwif
+ip route add default via $router  
+
+# at this point a little selection script could be downloaded, which lets the
+# user choose what kind of SLX client he wants to get
+echo "Fetching preboot interactive part and configuration from the net ..."
+wget -q -c -O /tmp/preboot.env \
+  ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/${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
+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 ...
+
+
diff --git a/boot-env/preboot/iso/LICENSE b/boot-env/preboot/iso/LICENSE
new file mode 100644
index 00000000..0dd34fa8
--- /dev/null
+++ b/boot-env/preboot/iso/LICENSE
@@ -0,0 +1,2 @@
+This package is free software distributed under the GPL version 2.
+See http://openslx.org/COPYING
diff --git a/boot-env/preboot/iso/README b/boot-env/preboot/iso/README
new file mode 100644
index 00000000..f9abdbea
--- /dev/null
+++ b/boot-env/preboot/iso/README
@@ -0,0 +1,6 @@
+You seem to have the OpenSLX network demo CD/DVD still in your optical
+drive! This is not required. You may safely remove the medium just
+after the first kernel/initramfs is loaded ...
+
+If you have any feedback please consult http://openslx.org/feedback
+and send your comments to feedback@openslx.org!
diff --git a/boot-env/preboot/iso/isolinux/isolinux.bin b/boot-env/preboot/iso/isolinux/isolinux.bin
new file mode 100644
index 00000000..8253549e
--- /dev/null
+++ b/boot-env/preboot/iso/isolinux/isolinux.bin
diff --git a/boot-env/preboot/preboot.sh b/boot-env/preboot/preboot.sh
new file mode 100644
index 00000000..98a2c61e
--- /dev/null
+++ b/boot-env/preboot/preboot.sh
@@ -0,0 +1,35 @@
+#!/bin/ash
+# Copyright (c) 2009 - OpenSLX GmbH
+#
+# This program is free software distributed under the GPL version 2.
+# See http://openslx.org/COPYING
+#
+# If you have any feedback please consult http://openslx.org/feedback and
+# send your feedback to feedback@openslx.org
+#
+# General information about OpenSLX can be found at http://openslx.org
+#
+# preboot script for user interaction with OpenSLX preloading environment for
+# Linux stateless clients
+
+# we expect to have a system selection dialog file in /preboot/syssel.dialog
+dialog --file syssel.dialog 2>result
+# source the system to boot configuration ($kernel, $initramfs, $append,
+# $label)
+. $(cat result)
+
+echo $kernel
+
+wget ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/$kernel \
+  -o /tmp/kernel
+wget ftp://openslx:OpenS1X@archive.ruf.uni-freiburg.de/$initramfs \
+  -o initramfs
+
+# read primary IP configuration to pass it on
+. /tmp/ipstuff
+
+# start the new kernel with initialramfs and cmdline
+echo "Booting OpenSLX client $label ..."
+kexec -l /tmp/kernel --initrd=/tmp/initramfs \
+  --append="ip=$ip:$siaddr:$router:$subnet $append $quiet"
+kexec -e