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
19 PATH=/sbin:/bin:/usr/sbin:/usr/bin
21 # In both a normal CVS environment and a PlanetLab RPM
22 # build environment, all of our dependencies are checked out into
23 # directories at the same level as us.
24 if [ -d ../build ] ; then
28 echo "Error: Could not find $(cd .. && pwd -P)/build/"
34 # build.common comes from the build module
37 pl_process_fedora_options $@
41 # pldistro expected as $1
43 # The vserver reference name - this comes from spec's slicefamily
46 # Do not tolerate errors
49 # Path's to the vserver references images and stubs
50 vrefdir=$PWD/vservers/.vref
51 vref=${vrefdir}/${slicefamily}
52 # stubs are created in a subdir per slicefamily
53 vstubdir=$PWD/vservers/.vstub/${slicefamily}
55 # Make /vservers and default vserver reference image
56 install -d -m 755 ${vref}
57 # needed for pldistros that don't have any system vserver images
58 install -d -m 755 ${vstubdir}
60 # Some of the PlanetLab RPMs attempt to (re)start themselves in %post,
61 # unless the installation is running inside the BootCD environment. We
62 # would like to pretend that we are.
65 # Populate image with vserver-reference packages
66 pl_root_makedevs ${vref}
67 # locate the packages and groups file
68 pkgsfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver.pkgs)
69 pl_root_mkfedora ${vref} ${pldistro} $pkgsfile
70 pl_root_tune_image ${vref}
72 systemvserver_count=$(ls ../build/config.${pldistro}/vserver-*.pkgs 2> /dev/null | wc -l)
73 [ $systemvserver_count -gt 0 ] && for systemvserver in $(ls ../build/config.${pldistro}/vserver-*.pkgs) ; do
74 NAME=$(basename $systemvserver .pkgs | sed -e s,vserver-,,)
76 echo "--------START BUILDING system vserver ${NAME}: $(date)"
78 # "Parse" out the packages and groups for yum
79 systempackages=$(pl_getPackages ${pl_DISTRO_NAME} $pldistro $systemvserver)
80 systemgroups=$(pl_getGroups ${pl_DISTRO_NAME} $pldistro $systemvserver)
82 vdir=${vstubdir}/${NAME}
84 install -d -m 755 ${vdir}
86 # Clone the base vserver reference to the system vserver reference
87 (cd ${vref} && find . | cpio -m -d -u -p ${vdir})
88 rm -f ${vdir}/var/lib/rpm/__db*
90 # Communicate to the initialization script from which vref this stub was cloned
91 echo ${slicefamily} > ${vdir}.cloned
93 # Install the system vserver specific packages
94 [ -n "$systempackages" ] && yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y install $systempackages
95 for group_plus in $systemgroups; do
96 group=$(echo $group_plus | sed -e "s,+++, ,g")
97 yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y groupinstall "$group"
100 # search e.g. vserver-planetflow.post in config.<pldistro> or in config.planetlab otherwise
101 postfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver-${NAME}.post || : )
103 [ -f $postfile ] && /bin/bash $postfile ${vdir} || :
105 # Create a copy of the system vserver w/o the vserver reference files and make it smaller.
106 # This is a three step process:
108 # step 1: clean out yum cache to reduce space requirements
109 yum -c ${vdir}/etc/mkfedora-yum.conf --installroot=${vdir} -y clean all
111 # step 2: figure out the new/changed files in ${vdir} vs. ${vref} and compute ${vdir}.changes
112 rsync -anv ${vdir}/ ${vref}/ > ${vdir}.changes
113 linecount=$(wc -l ${vdir}.changes | awk ' { print $1 } ')
114 let headcount=$linecount-3
115 let tailcount=$headcount-1
116 # get rid of the last 3 lines of the rsync output
117 head -${headcount} ${vdir}.changes > ${vdir}.changes.1
118 # get rid of the first line of the rsync output
119 tail -${tailcount} ${vdir}.changes.1 > ${vdir}.changes.2
120 # post process rsync output to get rid of symbolic link embellish output
121 awk ' { print $1 } ' ${vdir}.changes.2 > ${vdir}.changes
122 rm -f ${vdir}.changes.*
124 # step 3: create the ${vdir} with just the list given in ${vdir}.changes
125 install -d -m 755 ${vdir}-tmp/
127 (cd ${vdir} && cpio -m -d -u -p ${vdir}-tmp < ${vdir}.changes)
129 rm -f ${vdir}.changes
130 mv ${vdir}-tmp ${vdir}
132 # cleanup yum remainings
133 rm -rf ${vdir}/build ${vdir}/longbuildroot
135 echo "--------DONE BUILDING system vserver ${NAME}: $(date)"
138 # search vserver.post in config.<pldistro> or in config.planetlab otherwise
139 postfile=$(pl_locateDistroFile ../build/ ${pldistro} vserver.post)
141 [ -f $postfile ] && /bin/bash $postfile ${vref} || :
144 [ -f ${vref}/etc/sudoers ] && echo -e "\nDefaults\tlogfile=/var/log/sudo\n" >> ${vref}/etc/sudoers
146 # cleanup yum remainings
147 rm -rf ${vref}/build ${vref}/longbuildroot