# $Id$
#
+COMMAND=$(basename $0)
+DIRNAME=$(dirname $0)
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# defaults
function init_and_check () {
# Change to our source directory
- local srcdir=$(cd $(dirname $0) && pwd -P)
+ local srcdir=$(cd $DIRNAME && pwd -P)
pushd $srcdir
# Root of the isofs
- ISOREF=$PWD/build
+ ISOREF=$PWD/${VARIANT}
# The reference image is expected to have been built by prep.sh (see .spec)
# we disable the initial logic that called prep.sh if that was not the case
# this is because prep.sh needs to know pldistro
if [ ! -f $ISOREF/isofs/bootcd.img -o ! -f $ISOREF/version.txt ] ; then
- echo "You have to run prep.sh prior to calling $0 - exiting"
+ echo "Could not find isofs and version.txt in $ISOREF"
+ if [ "$VARIANT" == "build" ] ; then
+ echo "You have to run prep.sh prior to calling $COMMAND"
+ else
+ echo "You need to create your variant image, see kvariant.sh"
+ fi
+ echo "Exiting .."
exit 1
fi
# build/version.txt written by prep.sh
- BOOTCD_VERSION=$(cat build/version.txt)
+ BOOTCD_VERSION=$(cat ${VARIANT}/version.txt)
if [ -f /etc/planetlab/plc_config ] ; then
# Source PLC configuration
# it seems that this feature has not been used nor tested in a long time, use with care
usage() {
- echo "Usage: build.sh [OPTION]..."
+ echo "Usage: $COMMAND [OPTION]..."
echo " -f plnode.txt Node to customize CD for (default: none)"
echo " -t 'types' Build the specified images (default: $DEFAULT_TYPES)"
echo " NOTE: mentioning 'serial' as part of the type is not supported anymore"
echo " can be a full path"
echo " -o output-name The full name of the generated file"
echo " -C custom-dir Custom directory"
+ echo " -V variant Use a variant - see kvariant.sh"
echo " -n Dry run - mostly for debug/test purposes"
echo " -k Add additional parameters to the kargs.txt file"
echo " -h This message"
# init
TYPES=""
# Get options
- while getopts "f:t:as:SO:o:C:k:nh" opt ; do
+ while getopts "f:t:as:SO:o:C:V:k:nh" opt ; do
case $opt in
f) NODE_CONFIGURATION_FILE=$OPTARG ;;
t) TYPES="$TYPES $OPTARG" ;;
O) OUTPUT_BASE="$OPTARG" ;;
o) OUTPUT_NAME="$OPTARG" ;;
C) CUSTOM_DIR="$OPTARG" ;;
+ V) VARIANT="$OPTARG" ;;
k) KARGS_STR="$KARGS_STR $OPTARG" ;;
n) DRY_RUN=true ;;
h|*) usage ;;
# use defaults if not set
[ -z "$TYPES" ] && TYPES="$DEFAULT_TYPES"
+ [ -z "$VARIANT" ] && VARIANT="build"
[ "$CONSOLE_INFO" == "default" ] && CONSOLE_INFO=$SERIAL_CONSOLE
# check TYPES
fi
# build/passwd copied out by prep.sh
- sed -e "s@^root:[^:]*:\(.*\)@root:$ROOT_PASSWORD:\1@" build/passwd >$OVERLAY/etc/passwd
+ sed -e "s@^root:[^:]*:\(.*\)@root:$ROOT_PASSWORD:\1@" ${VARIANT}/passwd >$OVERLAY/etc/passwd
# Install node configuration file (e.g., if node has no floppy disk or USB slot)
if [ -f "$NODE_CONFIGURATION_FILE" ] ; then
# generate pl_rsysinit
cat > etc/rc.d/init.d/pl_rsysinit <<EOF
#!/bin/sh
-# generated by build.sh
+# generated by $COMMAND
echo -n "pl_rsysinit: preparing /etc and /var for pl_sysinit..."
mount -t tmpfs -orw,size=${msize}M,mode=1777 tmpfs /tmp
mkdir -p /tmp/root
####################
function main () {
- init_and_check
-
parse_command_line "$@"
+ init_and_check
+
echo "* Building images for $FULL_VERSION_STRING"
# Do not tolerate errors
set -e
--- /dev/null
+#!/bin/bash
+
+COMMAND=$(basename $0)
+
+function usage() {
+ echo "$COMMAND variant kernel-rpm"
+ echo " Allows to create a variant of the bootcd image with a different kernel"
+ echo " variant will be created under /usr/share/bootcd/<variant>"
+ echo " with the same structure as the default /usr/share/bootcd/build"
+ echo " the kernel rpm will also be stored in the variant dir for future reference"
+ echo "e.g. $COMMAND centos5 http://mirror.onelab.eu/centos/5.2/updates/i386/RPMS/kernel-2.6.18-92.1.1.el5.i686.rpm"
+ exit 1
+}
+
+function bail () {
+ rm -rf $tmpdir $files
+ exit -1
+}
+
+## locate rpm and store it in variant
+function getrpm () {
+ kernelrpm_url=$1; shift
+ kernelrpm_local=$1; shift
+ nocolon=$(echo $kernelrpm_url | sed -e s,:,,)
+ if [ "$kernelrpm_url" == "$nocolon" ] ; then
+ echo "Copying $kernelrpm_url in $variant_path"
+ cat $kernelrpm_url > $kernelrpm_local
+ else
+ echo "Fetching $kernelrpm_url in $variant_path"
+ curl -o $kernelrpm_local $kernelrpm_url
+ fi
+}
+
+## sanity check
+function checkrpm () {
+ filename=$1
+ if [ -f "$filename" ] ; then
+ if [ $(rpm -qip $filename | wc -l) -eq 1 ] ; then
+ echo "$filename not a valid rpm file"
+ usage
+ fi
+ fi
+}
+
+######################################## let's go
+set -e
+
+[[ -z "$@" ]] && usage
+variant=$1; shift
+[[ -z "$@" ]] && usage
+kernelrpm_url=$1; shift
+[[ -n "$@" ]] && usage
+
+standard_path="/usr/share/bootcd/build"
+if [ ! -d $standard_path ] ; then
+ echo "Cound not find standard image $standard_path - exiting"
+ exit 1
+fi
+
+variant_path=/usr/share/bootcd/$variant
+if [ -e $variant_path ] ; then
+ echo "Found $variant_path - please remove first - exiting"
+ exit 1
+fi
+
+here=$(pwd)
+mkdir $variant_path
+echo "Creating $variant_path from $standard_path"
+tar -C $standard_path -cf - . | tar -C $variant_path -xf -
+
+kernelrpm=$variant_path/$(basename $kernelrpm_url)
+getrpm $kernelrpm_url $kernelrpm
+checkrpm $kernelrpm
+
+isofsdir=$variant_path/isofs
+
+tmpdir=
+files=
+
+tmpdir=$(mktemp -d /var/tmp/bootcd.XXXXXX)
+trap "bail" ERR INT
+echo "Updating bootcd image with $kernelrpm"
+mkdir $tmpdir/bootcd
+pushd $tmpdir/bootcd
+echo "Unwrapping bootcd.img in $(pwd)"
+gzip -d -c $isofsdir/bootcd.img | cpio -diu
+echo "Cleaning up older kernel"
+rm -rf boot/*
+rm -rf lib/modules
+echo "Replacing with new kernel"
+rpm2cpio $kernelrpm | cpio -diu
+echo "Running depmod"
+version=$(cd ./boot && ls vmlinuz* | sed 's,vmlinuz-,,')
+depmod -b . $version
+echo "Exposing kernel"
+cp boot/vmlinuz* ${tmpdir}/kernel
+echo "Wrapping new bootcd.img"
+find . | cpio --quiet -c -o | gzip -9 > ${tmpdir}/bootcd.img
+popd
+
+#
+echo -n "Preserving in $isofsdir .."
+mv ${isofsdir}/kernel ${tmpdir}/kernel.orig
+echo -n " kernel"
+mv ${isofsdir}/bootcd.img ${tmpdir}/bootcd.img.orig
+echo -n " bootcd.img"
+echo ""
+
+#
+echo -n "Populating $isofsdir .."
+mv ${tmpdir}/kernel ${isofsdir}/kernel
+echo -n " kernel"
+mv ${tmpdir}/bootcd.img ${isofsdir}/bootcd.img
+echo -n " bootcd.img"
+echo ""
+
+rm -rf $tmpdir
+
+echo "new variant $variant ready"
+trap - ERR
+exit 0