#!/bin/bash
#
-# Builds VServer reference image
+# Builds all reference image for slices. To optimize for space it
+# will only build a complete base 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
+# image by an init script that is installed on the node.
#
# Mark Huang <mlhuang@cs.princeton.edu>
-# Copyright (C) 2004-2006 The Trustees of Princeton University
-#
-# $Id: build.sh,v 1.20 2007/09/06 20:41:23 faiyaza Exp $
+# Marc E. Fiuczynski <mef@cs.princeton.edu>
+# Copyright (C) 2004-2007 The Trustees of Princeton University
#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
shiftcount=$?
shift $shiftcount
-# XXX this should be coming from some configuration file
-# Packages to install
-packagelist=(
-bash
-coreutils
-iputils
-kernel-vserver
-bzip2
-crontabs
-diffutils
-logrotate
-openssh-clients
-passwd
-rsh
-rsync
-sudo
-tcpdump
-telnet
-traceroute
-time
-vixie-cron
-wget
-which
-yum
-curl
-gzip
-perl
-python
-tar
-jre
-findutils
-)
-
-# vserver-reference packages used for reference image
-for package in "${packagelist[@]}" ; do
- packages="$packages -p $package"
-done
+# pldistro expected as $1
+pldistro=$1 ; shift
+# this comes from spec's slicefamily
+slicefamily=$1; shift
# Do not tolerate errors
set -e
-# Make /vservers
-vroot=$PWD/vservers/.vref/default
-install -d -m 755 $vroot
+# Path's to the reference images and stubs
+# This is inherited from util-vservers
+vrefdir=$PWD/vservers/.vref
+vref=${vrefdir}/${slicefamily}
+# stubs are created in a subdir per slicefamily
+vstubdir=$PWD/vservers/.vstub/${slicefamily}
+
+# Create paths
+install -d -m 755 ${vref}
+install -d -m 755 ${vstubdir}
+
+# Some of the PlanetLab RPMs attempt to (re)start themselves in %post,
+# unless the installation is running inside the BootCD environment. We
+# would like to pretend that we are.
+export PL_BOOTCD=1
+
+# Populate image with sliceimage packages
+pl_root_makedevs ${vref}
+# locate the packages and groups file
+pkgsfile=$(pl_locateDistroFile ../build/ ${pldistro} sliceimage.pkgs)
+pl_root_mkfedora ${vref} ${pldistro} $pkgsfile
+pl_root_tune_image ${vref}
+
+systemslice_count=$(ls ../build/config.${pldistro}/sliceimage-*.pkgs 2> /dev/null | wc -l)
+[ $systemslice_count -gt 0 ] && for systemslice in $(ls ../build/config.${pldistro}/sliceimage-*.pkgs) ; do
+ NAME=$(basename $systemslice .pkgs | sed -e s,sliceimage-,,)
+
+ echo "--------START BUILDING system sliceimage ${NAME}: $(date)"
+
+ # "Parse" out the packages and groups for yum
+ systempackages=$(pl_getPackages ${pl_DISTRO_NAME} $pldistro $systemslice)
+ systemgroups=$(pl_getGroups ${pl_DISTRO_NAME} $pldistro $systemslice)
+
+ vdir=${vstubdir}/${NAME}
+ rm -rf ${vdir}/*
+ install -d -m 755 ${vdir}
+
+ # Clone the base sliceimage reference to the system sliceimage 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 ${slicefamily} > ${vdir}.cloned
+
+ # Install the system sliceimage specific packages
+ [ -n "$systempackages" ] && yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y install $systempackages
+ for group_plus in $systemgroups; do
+ group=$(echo $group_plus | sed -e "s,+++, ,g")
+ yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y groupinstall "$group"
+ done
+
+ # search e.g. sliceimage-planetflow.post in config.<pldistro> or in config.planetlab otherwise
+ postfile=$(pl_locateDistroFile ../build/ ${pldistro} sliceimage-${NAME}.post || : )
+
+ [ -f $postfile ] && /bin/bash $postfile ${vdir} || :
+
+ # Create a copy of the system sliceimage w/o the sliceimage reference files and make it smaller.
+ # This is a three step process:
+
+ # step 1: clean out yum cache to reduce space requirements
+ yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${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}
+
+ # cleanup yum remainings
+ rm -rf ${vdir}/build ${vdir}/longbuildroot
+
+ echo "--------DONE BUILDING system sliceimage ${NAME}: $(date)"
+done
+
+# search sliceimage.post in config.<pldistro> or in config.planetlab otherwise
+postfile=$(pl_locateDistroFile ../build/ ${pldistro} sliceimage.post)
+
+[ -f $postfile ] && /bin/bash $postfile ${vref} || :
-# Populate a minimal /dev in the reference image
-pl_makedevs $vroot
+# fix sudoers config
+[ -f ${vref}/etc/sudoers ] && echo -e "\nDefaults\tlogfile=/var/log/sudo\n" >> ${vref}/etc/sudoers
-# Populate image with vserver-reference packages
-pl_setup_chroot $vroot $packages
+# cleanup yum remainings
+rm -rf ${vref}/build ${vref}/longbuildroot
exit 0