3 # Builds all reference image for vservers. To optimize for space it
4 # will only build a complete base vserver reference image and then
5 # builds "stub" images that are just contain the additional files
6 # and/or changes for a given reference image. This is done to shrink
7 # the RPM itself. These will be pieced back together with the base
8 # vserver reference image by an init script that is installed on the
11 # Mark Huang <mlhuang@cs.princeton.edu>
12 # Marc E. Fiuczynski <mef@cs.princeton.edu>
13 # Copyright (C) 2004-2007 The Trustees of Princeton University
15 # $Id: build.sh,v 1.20 2007/09/06 20:41:23 faiyaza Exp $
18 PATH=/sbin:/bin:/usr/sbin:/usr/bin
20 # In both a normal CVS environment and a PlanetLab RPM
21 # build environment, all of our dependencies are checked out into
22 # directories at the same level as us.
23 if [ -d ../build ] ; then
27 echo "Error: Could not find $(cd .. && pwd -P)/build/"
33 # build.common comes from the build module
36 pl_process_fedora_options $@
40 # pldistro expected as $1
42 # The vserver reference name - this comes from spec's slicefamily
45 # Do not tolerate errors
48 # Path's to the vserver references images and stubs
49 vrefdir=$PWD/vservers/.vref
50 vref=${vrefdir}/${slicefamily}
51 # stubs are created in a subdir per slicefamily
52 vstubdir=$PWD/vservers/.vstub/${slicefamily}
54 # Make /vservers and default vserver reference image
55 install -d -m 755 ${vref}
56 # needed for pldistros that don't have any system vserver images
57 install -d -m 755 ${vstubdir}
59 # Some of the PlanetLab RPMs attempt to (re)start themselves in %post,
60 # unless the installation is running inside the BootCD environment. We
61 # would like to pretend that we are.
64 # Populate image with vserver-reference packages
65 pl_root_makedevs ${vref}
66 # locate the packages and groups file
67 pkgsfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver.pkgs)
68 pl_root_mkfedora ${vref} ${pldistro} $pkgsfile
69 pl_root_tune_image ${vref}
71 systemvserver_count=$(ls ../build/config.${pldistro}/vserver-*.pkgs 2> /dev/null | wc -l)
72 [ $systemvserver_count -gt 0 ] && for systemvserver in $(ls ../build/config.${pldistro}/vserver-*.pkgs) ; do
73 NAME=$(basename $systemvserver .pkgs | sed -e s,vserver-,,)
75 echo "--------START BUILDING system vserver ${NAME}: $(date)"
77 # "Parse" out the packages and groups for yum
78 systempackages=$(pl_getPackages ${pl_DISTRO_NAME} $pldistro $systemvserver)
79 systemgroups=$(pl_getGroups ${pl_DISTRO_NAME} $pldistro $systemvserver)
81 vdir=${vstubdir}/${NAME}
83 install -d -m 755 ${vdir}
85 # Clone the base vserver reference to the system vserver reference
86 (cd ${vref} && find . | cpio -m -d -u -p ${vdir})
87 rm -f ${vdir}/var/lib/rpm/__db*
89 # Communicate to the initialization script from which vref this stub was cloned
90 echo ${slicefamily} > ${vdir}.cloned
92 # Install the system vserver specific packages
93 [ -n "$systempackages" ] && yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y install $systempackages
94 for group_plus in $systemgroups; do
95 group=$(echo $group_plus | sed -e "s,+++, ,g")
96 yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y groupinstall "$group"
99 # search e.g. vserver-planetflow.post in config.<pldistro> or in config.planetlab otherwise
100 postfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver-${NAME}.post || : )
102 [ -f $postfile ] && /bin/bash $postfile ${vdir} || :
104 # Create a copy of the system vserver w/o the vserver reference files and make it smaller.
105 # This is a three step process:
107 # step 1: clean out yum cache to reduce space requirements
108 yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y clean all
110 # step 2: figure out the new/changed files in ${vdir} vs. ${vref} and compute ${vdir}.changes
111 rsync -anv ${vdir}/ ${vref}/ > ${vdir}.changes
112 linecount=$(wc -l ${vdir}.changes | awk ' { print $1 } ')
113 let headcount=$linecount-3
114 let tailcount=$headcount-1
115 # get rid of the last 3 lines of the rsync output
116 head -${headcount} ${vdir}.changes > ${vdir}.changes.1
117 # get rid of the first line of the rsync output
118 tail -${tailcount} ${vdir}.changes.1 > ${vdir}.changes.2
119 # post process rsync output to get rid of symbolic link embellish output
120 awk ' { print $1 } ' ${vdir}.changes.2 > ${vdir}.changes
121 rm -f ${vdir}.changes.*
123 # step 3: create the ${vdir} with just the list given in ${vdir}.changes
124 install -d -m 755 ${vdir}-tmp/
126 (cd ${vdir} && cpio -m -d -u -p ${vdir}-tmp < ${vdir}.changes)
128 rm -f ${vdir}.changes
129 mv ${vdir}-tmp ${vdir}
130 echo "--------DONE BUILDING system vserver ${NAME}: $(date)"
133 # search vserver.post in config.<pldistro> or in config.planetlab otherwise
134 postfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver.post)
136 [ -f $postfile ] && /bin/bash $postfile ${vref} || :
139 [ -f ${vref}/etc/sudoers ] && echo -e "\nDefaults\tlogfile=/var/log/sudo\n" >> ${vref}/etc/sudoers