3 # Common functions for MyPLC build scripts (build_devel.sh and
6 # Mark Huang <mlhuang@cs.princeton.edu>
7 # Copyright (C) 2006 The Trustees of Princeton University
9 # $Id: functions,v 1.6 2006/07/10 21:05:37 mlhuang Exp $
12 PATH=/sbin:/bin:/usr/sbin:/usr/bin
14 # In both a normal CVS environment and a PlanetLab RPM
15 # build environment, all of our dependencies are checked out into
16 # directories at the same level as us.
17 if [ -d ../build ] ; then
21 echo "Error: Could not find $(cd .. && pwd -P)/build/"
27 # Release and architecture to install
28 PLC_DEVEL_FEDORA_RELEASE=4
29 PLC_DEVEL_FEDORA_ARCH=i386
31 # Fedora Core mirror from which to install filesystems
32 PLC_DEVEL_FEDORA_URL=file:///usr/share/mirrors/fedora
34 # Build myplc inside myplc-devel
35 PLC_DEVEL_BOOTSTRAP=true
37 # We may be running inside a myplc-devel environment, which can
38 # override these defaults. Specifically, whether to build myplc inside
39 # myplc-devel (PLC_DEVEL_BOOTSTRAP).
40 if [ -f /etc/planetlab/plc_config ] ; then
41 . /etc/planetlab/plc_config
46 echo "Usage: build.sh [OPTION]..."
47 echo " -l url Fedora mirror location (default: $PLC_DEVEL_FEDORA_URL)"
48 echo " -r release Fedora release number (default: $PLC_DEVEL_FEDORA_RELEASE)"
49 echo " -a arch Fedora architecture (default: $PLC_DEVEL_FEDORA_ARCH)"
50 echo " -h This message"
55 while getopts "l:r:a:h" opt ; do
58 PLC_DEVEL_FEDORA_URL=$OPTARG
61 PLC_DEVEL_FEDORA_RELEASE=$OPTARG
64 PLC_DEVEL_FEDORA_ARCH=$OPTARG
72 # Do not tolerate errors
78 # Make a basic chroot at the specified location given the specified
87 groups="$groups -g \"$group\""
88 done < <(./plc-config --groups $config)
92 while read package ; do
93 packages="$packages -p \"$package\""
94 done < <(./plc-config --packages $config)
97 eval mkfedora -v -l $PLC_DEVEL_FEDORA_URL -r $PLC_DEVEL_FEDORA_RELEASE -a $PLC_DEVEL_FEDORA_ARCH $packages $groups $root
99 # Disable all services in reference image
100 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
102 # FC2 minilogd starts up during shutdown and makes unmounting
103 # impossible. Just get rid of it.
104 rm -f $root/sbin/minilogd
105 ln -nsf /bin/true $root/sbin/minilogd
108 # Move specified directories out of the chroot and into a "data"
109 # directory that will be bind mounted on /data inside the chroot.
116 for datadir in "$@" ; do
117 mkdir -p ${data}$datadir
118 if [ -d $root/$datadir -a ! -h $root/$datadir ] ; then
119 (cd $root && find ./$datadir | cpio -p -d -u ../$data/)
121 rm -rf $root/$datadir
122 mkdir -p $(dirname $root/$datadir)
123 ln -nsf /data$datadir $root/$datadir
127 # Make loopback filesystem from specified location
132 # Leave about 100 MB free space and allow for about 20% inode overhead
133 bytes=$((($(du -sb $root | cut -f1) + 100000000) * 120 / 100))
135 blocks=$(($bytes / $bs))
136 dd bs=$bs count=$blocks if=/dev/zero of=$image
137 mkfs.ext3 -b $bs -j -F $image
139 # Temporarily mount it
140 tmp=$(mktemp -d tmp.XXXXXX)
141 mount -o loop $image $tmp
142 trap "umount $tmp; rmdir $tmp" ERR INT
145 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)