X-Git-Url: http://git.onelab.eu/?p=vserver-reference.git;a=blobdiff_plain;f=build.sh;h=dad616bb0d36b343537a318777d4c547683ee574;hp=5276fec493cf40e57ffe9d151c0faf037554dfbf;hb=b45c19601779a5b015506f70afa3ac0371cfaa0a;hpb=dd047efea7ffd5eb3b9c9203a5f173171bb5da3e diff --git a/build.sh b/build.sh index 5276fec..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 1.19 2007/08/31 02:28:35 mef Exp $ +# $Id: build.sh,v 1.20 2007/09/06 20:41:23 faiyaza Exp $ # PATH=/sbin:/bin:/usr/sbin:/usr/bin @@ -30,55 +37,86 @@ pl_process_fedora_options $@ shiftcount=$? shift $shiftcount -# XXX this should be coming from some configuration file -# Packages to install -packagelist=( -bash -coreutils -iputils -kernel-vserver -bzip2 -crontabs -diffutils -logrotate -openssh-clients -passwd -rsh -rsync -sudo -tcpdump -telnet -traceroute -time -vixie-cron -wget -which -yum -curl -gzip -perl -python -tar -jre-6u1-linux -findutils -) - -# vserver-reference packages used for reference image -for package in "${packagelist[@]}" ; do - packages="$packages -p $package" -done +# pldistro expected as $1 - defaults to planetlab +pldistro=planetlab +[ -n "$@" ] && pldistro=$1 # Do not tolerate errors set -e -# Make /vservers -vroot=$PWD/vservers/.vref/default -install -d -m 755 $vroot +# Path's to the vserver references images and stubs +vrefdir=$PWD/vservers/.vref +vstubdir=$PWD/vservers/.vstub + +# XXX: The vserver reference name should be passed in as an argument +# rather than being hardcoded. +vrefname=default + +# Make /vservers and default vserver reference image +vref=${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 $vroot +pl_makedevs ${vref} # Populate image with vserver-reference packages -pl_setup_chroot $vroot $packages +pl_setup_chroot ${vref} ${options} -k + +for systemvserver in ${pldistro}-vservers/*.lst ; do + NAME=$(basename $systemvserver .lst) + + echo "--------START BUILDING system vserver ${NAME}: $(date)" + + # "Parse" out the packages and groups for yum + systempackages=$(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