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
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 # vserver expects something like fc4 or f7
55 # for fedora only as of now
58 if [ "$pl_DISTRO_RELEASE" -le 6 ] ; then
59 pl_DISTRO_NAME=fc$pl_DISTRO_RELEASE
61 pl_DISTRO_NAME=f$pl_DISTRO_RELEASE
64 if [ "$pl_DISTRO_RELEASE" = "4.5" ] ; then
65 # centos 4.5 is just centos4 + enhancements
66 pl_DISTRO_NAME=centos4
68 pl_DISTRO_NAME=centos$pl_DISTRO_RELEASE
71 pl_DISTRO_NAME="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
72 echo 1>&2 "build.common: WARNING - pl_DISTRO_NAME not set for distro=$pl_DISTRO"
76 # get patch to appropriate yumgroups.xml file
77 # Thierry: quick & dirty improvement
78 # this file is updated by the toplevel build, from groups/pldistro>.xml
79 pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
81 function pl_process_fedora_options () {
84 while getopts "l:r:a:h" opt ; do
88 let shiftcount=$shiftcount+2
91 pl_DISTRO_RELEASE=$OPTARG
92 let shiftcount=$shiftcount+2
95 pl_DISTRO_ARCH=$OPTARG
96 let shiftcount=$shiftcount+2
99 echo "Usage: $0 [OPTION]..."
100 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
101 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
102 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
103 echo "where distro can be either fedora, centos, or redhat"
104 echo " -h This message"
112 function pl_makedevs() {
114 # Clean ${vroot}/dev, but only when ${vroot}!=""
115 [ -n $vroot ] && rm -rf $vroot/dev
118 mknod -m 666 $vroot/dev/null c 1 3
119 mknod -m 666 $vroot/dev/zero c 1 5
120 mknod -m 666 $vroot/dev/full c 1 7
121 mknod -m 644 $vroot/dev/random c 1 8
122 mknod -m 644 $vroot/dev/urandom c 1 9
123 mknod -m 666 $vroot/dev/tty c 5 0
124 mknod -m 666 $vroot/dev/ptmx c 5 2
125 # For bash command substitution
126 ln -nsf ../proc/self/fd $vroot/dev/fd
128 # For df and linuxconf
129 touch $vroot/dev/hdv1
132 mkdir -p $vroot/dev/pts
134 # (Might have to remove the following for vserver-reference.)
137 mkdir -p $vroot/dev/shm
140 mkdir -p $vroot/dev/net
141 mknod -m 600 $vroot/dev/net/tun c 10 200
143 # For mkinitrd (in case a kernel is being installed)
144 # As well for loop back mounting within a vserver.
145 for i in $(seq 0 255) ; do
146 mknod -m 640 $vroot/dev/loop$i b 7 $i
150 function pl_mkfedora() {
157 [ -n "$pl_DISTRO_URL" ] && options="$options -l $pl_DISTRO_URL"
158 [ -n "$pl_DISTRO_ARCH" ] && options="$options -a $pl_DISTRO_ARCH"
159 [ -n "$pl_DISTRO_RELEASE" ] && options="$options -r $pl_DISTRO_RELEASE"
160 # echo "mkfedora -v $options $root"
161 eval mkfedora -v $options $root
164 function pl_setup_chroot() {
169 pl_mkfedora $root $options
171 # Disable all services in reference image
172 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
174 # FC2 minilogd starts up during shutdown and makes unmounting
175 # impossible. Just get rid of it.
176 rm -f $root/sbin/minilogd
177 ln -nsf /bin/true $root/sbin/minilogd
179 # This tells the Boot Manager that it is okay to update
180 # /etc/resolv.conf and /etc/hosts whenever the network configuration
181 # changes. Users are free to delete this file.
182 touch $vroot/etc/AUTO_UPDATE_NET_FILES
185 # Move specified directories out of a src tree into a dst tree, and
186 # then for each moved directory create a symlink in src to dst.
187 function pl_move_dirs() {
194 for datadir in "$@" ; do
195 mkdir -p ${data}${datadir}
196 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
197 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
199 rm -rf ${root}/${datadir}
200 mkdir -p $(dirname ${root}/${datadir})
201 ln -nsf /${store}/${datadir} ${root}/${datadir}
205 # Construct an image file from given some directory
206 # XXX in the future maybe use livecdtools?
207 function pl_make_image() {
212 # Leave about 100 MB free space and allow for about 20% inode overhead
213 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
215 blocks=$(($bytes / $bs))
216 dd bs=$bs count=$blocks if=/dev/zero of=$image
217 mkfs.ext3 -b $bs -j -F $image
219 # Temporarily mount it
220 tmp=$(mktemp -d tmp.XXXXXX)
221 mount -o loop $image $tmp
222 trap "umount $tmp; rmdir $tmp" ERR INT
225 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
233 # Fix permissions on tmp directories
234 function pl_fixtmp_permissions() {
236 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
239 function pl_fixdirs() {
242 for datadir in datadirs ; do
243 if [ -h ${root}/${datadir} ] ; then
244 rm -f ${root}/${datadir}
245 mkdir -p ${root}/${datadir}
250 ########## .lst format
251 # comments start with a # - this is needed only if you use a keyword in a comment
252 # lst_parse keyword fcdistro lst1 .. lstn
253 # for a given keyword like 'package' :
254 # we support fcdistro-dependant format, for tokens (pkgname) without whitespace
256 # package: pkg1 .. pkgn
257 # package+f8: pkg1 .. pkgn
258 # package-f8: pkg1 .. pkgn
260 function lst_parse () {
265 # grab regular descriptions
266 all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
268 add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}\+${fcdistro}:,,")
270 sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}\-${fcdistro}:" | sed -e "s,${keyword}\-${fcdistro}:,,")
272 for i in $all $add; do
273 for exclude in $sub; do
274 [ "$i" = "$exclude" ] && continue 2
281 function pl_getPackages2() { fcdistro=$1; shift ; lst_parse package $fcdistro "$@" ; }
282 function pl_getGroups2() { fcdistro=$1; shift ; lst_parse group $fcdistro "$@" ; }
283 # add -p before each package for mkfedora
284 function pl_getPackagesOptions2 () { pl_getPackages2 "$@" | awk '{for (i=1;i<=NF;i++) {print "-p " $i}}' ; }
285 # add -g before each group for mkfedora
286 function pl_getGroupsOptions2 () { pl_getGroups2 "$@" | awk '{for (i=1;i<=NF;i++) {print "-g " $i}}' ; }