X-Git-Url: http://git.onelab.eu/?p=vserver-reference.git;a=blobdiff_plain;f=build.sh;h=dad616bb0d36b343537a318777d4c547683ee574;hp=4f1ed8578e15ece207aaf6450cf91862c2640435;hb=b45c19601779a5b015506f70afa3ac0371cfaa0a;hpb=dd4b256824506733ee1cfe7215b364311898199e diff --git a/build.sh b/build.sh index 4f1ed85..dad616b 100755 --- a/build.sh +++ b/build.sh @@ -1,11 +1,18 @@ #!/bin/bash # -# Builds VServer reference image +# Builds all reference image for vservers. To optimize for space it +# will only build a complete base vserver reference image and then +# builds "stub" images that are just contain the additional files +# and/or changes for a given reference image. This is done to shrink +# the RPM itself. These will be pieced back together with the base +# vserver reference image by an init script that is installed on the +# node. # # Mark Huang -# Copyright (C) 2004-2006 The Trustees of Princeton University +# Marc E. Fiuczynski +# Copyright (C) 2004-2007 The Trustees of Princeton University # -# $Id: build.sh,v 1.8 2006/03/31 21:18:10 mlhuang Exp $ +# $Id: build.sh,v 1.20 2007/09/06 20:41:23 faiyaza Exp $ # PATH=/sbin:/bin:/usr/sbin:/usr/bin @@ -23,82 +30,93 @@ fi export PATH -# Release and architecture to install -releasever=2 -basearch=i386 - -# Packages to install -packagelist=( -bash -coreutils -iputils -kernel-vserver -bzip2 -crontabs -diffutils -logrotate -openssh-clients -passwd -rsh -rsync -sudo -tcpdump -telnet -traceroute -time -vixie-cron -wget -yum -curl -gzip -perl -python -tar -) - -usage() -{ - echo "Usage: build.sh [OPTION]..." - echo " -r release Fedora release number (default: $releasever)" - echo " -a arch Fedora architecture (default: $basearch)" - echo " -h This message" - exit 1 -} - -# Get options -while getopts "r:a:h" opt ; do - case $opt in - r) - releasever=$OPTARG - ;; - a) - basearch=$OPTARG - ;; - h|*) - usage - ;; - esac -done +# build.common comes from the build module +. build.common + +pl_process_fedora_options $@ +shiftcount=$? +shift $shiftcount + +# pldistro expected as $1 - defaults to planetlab +pldistro=planetlab +[ -n "$@" ] && pldistro=$1 # Do not tolerate errors set -e -# Make /vservers -vroot=$PWD/vservers/vserver-reference -install -d -m 755 $vroot +# Path's to the vserver references images and stubs +vrefdir=$PWD/vservers/.vref +vstubdir=$PWD/vservers/.vstub -# Install vserver-reference system -for package in "${packagelist[@]}" ; do - packages="$packages -p $package" -done -mkfedora -v -r $releasever -a $basearch $packages $vroot +# XXX: The vserver reference name should be passed in as an argument +# rather than being hardcoded. +vrefname=default + +# Make /vservers and default vserver reference image +vref=${vrefdir}/${vrefname} +install -d -m 755 ${vref} + +# "Parse" out the packages and groups for mkfedora +lst="${pldistro}-vserver.lst" +options="$(pl_getPackagesOptions2 ${pl_DISTRO_NAME} $lst) $(pl_getGroupsOptions2 ${pl_DISTRO_NAME} $lst)" + +# Populate a minimal /dev in the reference image +pl_makedevs ${vref} + +# Populate image with vserver-reference packages +pl_setup_chroot ${vref} ${options} -k + +for systemvserver in ${pldistro}-vservers/*.lst ; do + NAME=$(basename $systemvserver .lst) -# Disable all services in reference image -chroot $vroot sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off" + echo "--------START BUILDING system vserver ${NAME}: $(date)" -# This tells the Boot Manager that it is okay to update -# /etc/resolv.conf and /etc/hosts whenever the network configuration -# changes. Users are free to delete this file. -touch $vroot/etc/AUTO_UPDATE_NET_FILES + # "Parse" out the packages and groups for yum + systempackages=$(pl_getPackages2 ${pl_DISTRO_NAME} $systemvserver) + systemgroups=$(pl_getGroups2 ${pl_DISTRO_NAME} $systemvserver) + + vdir=${vstubdir}/${NAME} + rm -rf ${vdir}/* + install -d -m 755 ${vdir} + + # Clone the base vserver reference to the system vserver reference + (cd ${vref} && find . | cpio -m -d -u -p ${vdir}) + rm -f ${vdir}/var/lib/rpm/__db* + + # Communicate to the initialization script from which vref this stub was cloned + echo ${vrefname} > ${vdir}.cloned + + # Install the system vserver specific packages + [ -n "$systempackages" ] && yum -c ${vdir}/etc/yum.conf --installroot=${vdir} -y install $systempackages + [ -n "$systemgroups" ] && yum -c ${vdir}/etc/yum.conf --installroot=${vdir} -y groupinstall $systemgroups + + # Create a copy of the system vserver w/o the vserver reference files and make it smaller. + # This is a three step process: + + # step 1: clean out yum cache to reduce space requirements + yum -c ${vdir}/etc/yum.conf --installroot=${vdir} -y clean all + + # step 2: figure out the new/changed files in ${vdir} vs. ${vref} and compute ${vdir}.changes + rsync -anv ${vdir}/ ${vref}/ > ${vdir}.changes + linecount=$(wc -l ${vdir}.changes | awk ' { print $1 } ') + let headcount=$linecount-3 + let tailcount=$headcount-1 + # get rid of the last 3 lines of the rsync output + head -${headcount} ${vdir}.changes > ${vdir}.changes.1 + # get rid of the first line of the rsync output + tail -${tailcount} ${vdir}.changes.1 > ${vdir}.changes.2 + # post process rsync output to get rid of symbolic link embellish output + awk ' { print $1 } ' ${vdir}.changes.2 > ${vdir}.changes + rm -f ${vdir}.changes.* + + # step 3: create the ${vdir} with just the list given in ${vdir}.changes + install -d -m 755 ${vdir}-tmp/ + rm -rf ${vdir}-tmp/* + (cd ${vdir} && cpio -m -d -u -p ${vdir}-tmp < ${vdir}.changes) + rm -rf ${vdir} + rm -f ${vdir}.changes + mv ${vdir}-tmp ${vdir} + echo "--------DONE BUILDING system vserver ${NAME}: $(date)" +done exit 0