#!/bin/bash
#
-# Builds all reference image for vservers. To optimize for space it
-# will only build a complete base vserver reference image and then
+# 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
-# vserver reference image by an init script that is installed on the
-# node.
+# image by an init script that is installed on the node.
#
# Mark Huang <mlhuang@cs.princeton.edu>
# Marc E. Fiuczynski <mef@cs.princeton.edu>
# Copyright (C) 2004-2007 The Trustees of Princeton University
#
-# $Id: build.sh,v 1.20 2007/09/06 20:41:23 faiyaza Exp $
-#
PATH=/sbin:/bin:/usr/sbin:/usr/bin
shiftcount=$?
shift $shiftcount
+# pldistro expected as $1
+pldistro=$1 ; shift
+# this comes from spec's slicefamily
+slicefamily=$1; shift
+
# Do not tolerate errors
set -e
-# Path's to the vserver references images and stubs
+# Path's to the reference images and stubs
+# This is inherited from util-vservers
vrefdir=$PWD/vservers/.vref
-vstubdir=$PWD/vservers/.vstub
-
-# XXX: The vserver reference name should be passed in as an argument
-# rather than being hardcoded.
-vrefname=default
+vref=${vrefdir}/${slicefamily}
+# stubs are created in a subdir per slicefamily
+vstubdir=$PWD/vservers/.vstub/${slicefamily}
-# Make /vservers and default vserver reference image
-vref=${vrefdir}/${vrefname}
+# Create paths
install -d -m 755 ${vref}
+install -d -m 755 ${vstubdir}
-# "Parse" out the packages and groups for mkfedora
-vrefpackages=$(grep "^package:.*" vserver-reference.lst | awk '{print $2}')
-vrefgroups=$(grep "^group:.*" vserver-reference.lst | awk '{print $2}')
-options=""
-for package in ${vrefpackages} ; do options="$options -p $package"; done
-for group in ${vrefgroups} ; do options="$options -g $group"; done
+# 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 a minimal /dev in the reference image
-pl_makedevs ${vref}
+# 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}
-# Populate image with vserver-reference packages
-pl_setup_chroot ${vref} ${options}
+systemslice_count=$(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 $systemslice .pkgs | sed -e s,sliceimage-,,)
-for systemvserver in reference-vservers/*.lst ; do
- NAME=$(basename $systemvserver .lst)
+ echo " * --------START BUILDING system sliceimage ${NAME}: $(date)"
# "Parse" out the packages and groups for yum
- systempackages=$(grep "^package:.*" $systemvserver | awk '{print $2}')
- systemgroups=$(grep "^group:.*" $systemvserver | awk '{print $2}')
+ systempackages=$(pl_getPackages ${pl_DISTRO_NAME} $pldistro $systemslice)
+ systemgroups=$(pl_getGroups ${pl_DISTRO_NAME} $pldistro $systemslice)
+ systempips=$(pl_getPips ${pl_DISTRO_NAME} $pldistro $systemslice)
+ systemgems=$(pl_getGems ${pl_DISTRO_NAME} $pldistro $systemslice)
vdir=${vstubdir}/${NAME}
+ rm -rf ${vdir}/*
install -d -m 755 ${vdir}
- # Clone the base vserver reference to the system vserver reference
- # OPTIMIZATION: Consider using "cp -al" in the future
- rsync -a ${vref}/ ${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 ${vrefname} > ${vdir}.cloned
-
- # Construct the excludes & includes patterns for rsync
- (cd ${vdir} && find *) > ${vdir}.excludes
- echo "var/lib/rpm/*" > ${vdir}.includes
-
- # Install the system vserver specific packages
- [ -n "$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
- mkdir -p ${vdir}-tmp/
- rsync -a --include-from=${vdir}.includes --exclude-from=${vdir}.excludes ${vdir}/ ${vdir}-tmp/
+ echo ${slicefamily} > ${vdir}.cloned
+
+ # Install the system sliceimage specific packages
+ for yum_package in $systempackages; do
+ echo " * yum installing $yum_package"
+ yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y install $yum_package || \
+ echo " * WARNING image $systemslice - yum install $yum_package failed"
+ done
+ for group_plus in $systemgroups; do
+ yum_group=$(echo $group_plus | sed -e "s,+++, ,g")
+ echo " * yum groupinstalling $yum_group"
+ yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y groupinstall "$yum_group" || \
+ echo " * WARNING image $systemslice - yum groupinstall $yum_group failed"
+ done
+
+ # running pip or gem requires connectivity, and DNS
+ # so we expose the build-vm's /etc/resolv.conf to the current vdir
+ mkdir -p ${vdir}/etc
+ cp /etc/resolv.conf ${vdir}/etc
+
+ # this requires pip to be available in sliceimage at that point
+ # fedora and debian -> python-pip
+ # on fedora the command is called pip-python (sigh.)
+ for pip in $systempips; do
+ echo " * pip installing $pip"
+ chroot ${vdir} pip -v install $pip || chroot ${vdir} pip-python -v $pip || \
+ echo " * WARNING image $systemslice - pip install $pip failed"
+ done
+
+ # same for gems; comes with ruby in fedora but ruby-devel is most likely a good thing
+ # we add --no-rdoc --no-ri to keep it low
+ for gem in $systemgems; do
+ echo " * gem installing $gem"
+ chroot ${vdir} gem install --no-rdoc --no-ri $gem || \
+ echo " * WARNING image $systemslice - gem install $gem failed"
+ done
+
+ # search e.g. sliceimage-planetflow.post in config.<pldistro> or in config.planetlab otherwise
+ postfile=$(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}.excludes ${vdir}.includes
+ 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} || :
+
+# fix sudoers config
+[ -f ${vref}/etc/sudoers ] && echo -e "\nDefaults\tlogfile=/var/log/sudo\n" >> ${vref}/etc/sudoers
+
+# cleanup yum remainings
+rm -rf ${vref}/build ${vref}/longbuildroot
+
exit 0