3 # Common functions for build scripts used by various packages
4 # incorporated (e.g., build, myplc, myplc-devel, vserver-reference)
6 # Marc E. Fiuczynski <mef@cs.princeton.edu>
7 # Copyright (C) 2007 The Trustees of Princeton University
9 # $Id: build.common,v 1.3 2007/08/31 03:17:34 mef Exp $
12 function pl_getDefaultDistro() {
13 # FC4 is currently the default release
17 function pl_getDefaultRelease() {
18 # FC4 is currently the default release
22 function pl_getDistro() {
23 defaultDistro=$(pl_getDefaultDistro)
24 if [ -f "/etc/redhat-release" ] ; then
25 distro=$(awk ' { print $1 } ' /etc/redhat-release)
32 function pl_getRelease() {
33 defaultRelease=$(pl_getDefaultRelease)
34 if [ -f "/etc/redhat-release" ] ; then
35 release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 } ' /etc/redhat-release)
36 [ $release -lt $defaultRelease ] && release=$defaultRelease
38 release=$defaultRelease
43 # figure out which redhat distro we are using (fedora, centos, redhat)
44 pl_DISTRO=$(pl_getDistro)
46 # select basearch of the host devel environment
47 pl_DISTRO_ARCH=$(uname -i)
49 # let mkfedora select one of its mirrors
52 pl_DISTRO_RELEASE=$(pl_getRelease)
54 # get patch to appropriate yumgroups.xml file
55 # XXX This path should be relative to PLDISTRO, as defined in
57 pl_YUMGROUPSXML="../build/groups/v4_yumgroups.xml"
59 function pl_process_fedora_options () {
62 while getopts "l:r:a:h" opt ; do
66 let shiftcount=$shiftcount+2
69 pl_DISTRO_RELEASE=$OPTARG
70 let shiftcount=$shiftcount+2
73 pl_DISTRO_ARCH=$OPTARG
74 let shiftcount=$shiftcount+2
77 echo "Usage: $0 [OPTION]..."
78 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
79 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
80 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
81 echo "where distro can be either fedora, centos, or redhat"
82 echo " -h This message"
90 function pl_makedevs() {
92 # Clean ${vroot}/dev, but only when ${vroot}!=""
93 [ -n $vroot ] && rm -rf $vroot/dev
96 mknod -m 666 $vroot/dev/null c 1 3
97 mknod -m 666 $vroot/dev/zero c 1 5
98 mknod -m 666 $vroot/dev/full c 1 7
99 mknod -m 644 $vroot/dev/random c 1 8
100 mknod -m 644 $vroot/dev/urandom c 1 9
101 mknod -m 666 $vroot/dev/tty c 5 0
102 mknod -m 666 $vroot/dev/ptmx c 5 2
103 # For bash command substitution
104 ln -nsf ../proc/self/fd $vroot/dev/fd
106 # For df and linuxconf
107 touch $vroot/dev/hdv1
110 mkdir -p $vroot/dev/pts
112 # (Might have to remove the following for vserver-reference.)
115 mkdir -p $vroot/dev/shm
118 mkdir -p $vroot/dev/net
119 mknod -m 600 $vroot/dev/net/tun c 10 200
121 # For mkinitrd (in case a kernel is being installed)
122 # As well for loop back mounting within a vserver.
123 for i in $(seq 0 255) ; do
124 mknod -m 640 $vroot/dev/loop$i b 7 $i
128 function pl_mkfedora() {
135 [ -n "$pl_DISTRO_URL" ] && options="$options -l $pl_DISTRO_URL"
136 [ -n "$pl_DISTRO_ARCH" ] && options="$options -a $pl_DISTRO_ARCH"
137 [ -n "$pl_DISTRO_RELEASE" ] && options="$options -r $pl_DISTRO_RELEASE"
138 # echo "mkfedora -v $options $root"
139 eval mkfedora -v $options $root
142 function pl_setup_chroot() {
147 pl_mkfedora $root $options
149 # Disable all services in reference image
150 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
152 # FC2 minilogd starts up during shutdown and makes unmounting
153 # impossible. Just get rid of it.
154 rm -f $root/sbin/minilogd
155 ln -nsf /bin/true $root/sbin/minilogd
157 # This tells the Boot Manager that it is okay to update
158 # /etc/resolv.conf and /etc/hosts whenever the network configuration
159 # changes. Users are free to delete this file.
160 touch $vroot/etc/AUTO_UPDATE_NET_FILES
163 # Move specified directories out of a src tree into a dst tree, and
164 # then for each moved directory create a symlink in src to dst.
165 function pl_move_dirs() {
172 for datadir in "$@" ; do
173 mkdir -p ${data}${datadir}
174 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
175 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
177 rm -rf ${root}/${datadir}
178 mkdir -p $(dirname ${root}/${datadir})
179 ln -nsf /${store}/${datadir} ${root}/${datadir}
183 # Construct an image file from given some directory
184 # XXX in the future maybe use livecdtools?
185 function pl_make_image() {
190 # Leave about 100 MB free space and allow for about 20% inode overhead
191 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
193 blocks=$(($bytes / $bs))
194 dd bs=$bs count=$blocks if=/dev/zero of=$image
195 mkfs.ext3 -b $bs -j -F $image
197 # Temporarily mount it
198 tmp=$(mktemp -d tmp.XXXXXX)
199 mount -o loop $image $tmp
200 trap "umount $tmp; rmdir $tmp" ERR INT
203 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
211 # Fix permissions on tmp directories
212 function pl_fixtmp_permissions() {
214 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
217 function pl_fixdirs() {
220 for datadir in datadirs ; do
221 if [ -h ${root}/${datadir} ] ; then
222 rm -f ${root}/${datadir}
223 mkdir -p ${root}/${datadir}
228 function pl_getPackages() {
230 packages=$(grep "^package:.*" $filename | awk ' {print $2}')
235 function pl_getGroups() {
237 groups=$(grep "^groups:.*" $filename | awk ' {print $2}')