6 # Common functions for build scripts used by various packages
7 # incorporated (e.g., build, myplc, myplc-devel, vserver-reference)
9 # Marc E. Fiuczynski <mef@cs.princeton.edu>
10 # Copyright (C) 2007 The Trustees of Princeton University
12 # supported distros f8, f10, f12, centos5
14 # for locating pkgs.py
17 # returns 'Fedora' or 'CentOS' for now
18 function pl_getDistro() {
19 if [ -f "/etc/redhat-release" ] ; then
20 distro=$(awk ' { print $1 } ' /etc/redhat-release)
21 case $distro in Red*) distro="Redhat" ; esac
23 echo "build.common.pl_getDistro-unknown"
30 # returns something like 8, 10, or 5.3
31 function pl_getRelease() {
32 if [ -f "/etc/redhat-release" ] ; then
33 release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 ; if ($1=="Red") print $6 } ' /etc/redhat-release)
35 echo "build.common.pl_getRelease-unknown"
38 # keep only the major number
39 echo "$release" | cut -d. -f1
43 # returns stuff for vserver, i.e. something like 'f8' or 'centos5'
44 function pl_getReleaseName () {
62 releasename="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
63 echo 1>&2 "build.common: WARNING - releasename not set for distro=$distro"
71 # on fedora 8 or above, we use libnl from the stock repos
72 # on centos5 we build it locally
73 function pl_getKexcludes () {
77 echo 'kernel kernel-PAE kernel-debug kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iptables-ipv6 iproute drupal' ;;
79 echo 'kernel kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iproute drupal inotify-tools* libnl' ;;
81 echo "pl_DISTRO_NAME=$pl_DISTRO_NAME not supported in getexcludes.sh" ; exit 1 ;;
85 # figure out which redhat distro we are using (fedora, centos, redhat)
86 pl_DISTRO=$(pl_getDistro)
88 # select basearch of the host devel environment - protected for macos for local tests
89 pl_DISTRO_ARCH=$(uname -i 2>/dev/null|| echo unknownarch)
91 # the release number (plain number)
92 pl_DISTRO_RELEASE=$(pl_getRelease)
94 # the release name - for vserver build ...
95 pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
97 # the packages to exclude
98 pl_KEXCLUDES=$(pl_getKexcludes $pl_DISTRO_NAME)
100 # get path to appropriate yumgroups.xml file
101 # Thierry: quick & dirty improvement
102 # this file is updated by the toplevel build, from the .pkgs files
103 pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
105 function pl_process_fedora_options () {
108 while getopts "l:r:a:h" opt ; do
111 pl_DISTRO_URL=$OPTARG
112 let shiftcount=$shiftcount+2
115 pl_DISTRO_RELEASE=$OPTARG
116 let shiftcount=$shiftcount+2
119 pl_DISTRO_ARCH=$OPTARG
120 let shiftcount=$shiftcount+2
123 echo "Usage: $0 [OPTION]..."
124 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
125 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
126 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
127 echo "where distro can be either fedora, centos, or redhat"
128 echo " -h This message"
136 ######################################## handling a root image
137 function pl_root_rpm_macros () {
139 %_install_langs C:en_US:en
140 %_netsharedpath /proc:/dev/pts:/usr/share/info
142 %__file_context_path /dev/null
146 function pl_root_makedevs() {
148 # Clean ${vroot}/dev, but only when ${vroot}!=""
149 [ -n $vroot ] && rm -rf $vroot/dev
152 mknod -m 666 $vroot/dev/null c 1 3
153 mknod -m 666 $vroot/dev/zero c 1 5
154 mknod -m 666 $vroot/dev/full c 1 7
155 mknod -m 644 $vroot/dev/random c 1 8
156 mknod -m 644 $vroot/dev/urandom c 1 9
157 mknod -m 666 $vroot/dev/tty c 5 0
158 mknod -m 666 $vroot/dev/ptmx c 5 2
159 # For bash command substitution
160 ln -nsf ../proc/self/fd $vroot/dev/fd
162 # For df and linuxconf
163 touch $vroot/dev/hdv1
166 mkdir -p $vroot/dev/pts
168 # (Might have to remove the following for vserver-reference.)
171 mkdir -p $vroot/dev/shm
174 mkdir -p $vroot/dev/net
175 mknod -m 600 $vroot/dev/net/tun c 10 200
177 # For mkinitrd (in case a kernel is being installed)
178 # As well for loop back mounting within a vserver.
179 for i in $(seq 0 255) ; do
180 mknod -m 640 $vroot/dev/loop$i b 7 $i
184 function mkfedora_usage() {
185 echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
186 echo " -l url Fedora mirror location."
187 echo " Defaults are searched in <pldistro>.mirrors"
188 echo " -v Be verbose"
189 echo " -h This message"
190 echo " target selection (defaults based on current build vserver)"
191 echo " -r release Fedora release number (default: $releasever)"
192 echo " -a arch Fedora architecture (default: $basearch)"
196 function pl_root_mkfedora () {
198 echo "* Entering pl_root_mkfedora" "$@"
200 if [ $UID -ne 0 ] ; then
201 echo "Error: You must run this script as root."
208 # Release and architecture to install : defaults to current vserver's settings or previously parsed fedora_options
209 releasever=$pl_DISTRO_RELEASE
210 basearch=$pl_DISTRO_ARCH
213 while getopts "vh" opt ; do
215 v) verbose=1; set -x ;;
216 h|*) mkfedora_usage ;;
220 shift $(($OPTIND - 1))
221 [[ "$#" -lt 3 ]] && mkfedora_usage
225 vroot=$(cd $vroot && pwd -P)
226 [ -d $vroot ] || mkfedora_usage
229 # parse pkgsfile and add to local vars
230 fcdistro=${pl_DISTRO_NAME}
231 pkgs_packages=$(pl_parsePkgs package $fcdistro $pldistro $pkgsfile)
232 pkgs_groups=$(pl_parsePkgs group $fcdistro $pldistro $pkgsfile)
233 # what can get trashed to save space
234 pkgs_junk=$(pl_parsePkgs junk $fcdistro $pldistro $pkgsfile)
236 pkgs_precious=$(pl_parsePkgs precious $fcdistro $pldistro $pkgsfile)
237 # formerly related to mkfedora -k : packages to take from our own build
238 # and thus need be excluded frem the stock repos
239 pkgs_kexcludes=$(pl_parsePkgs kexclude $fcdistro $pldistro $pkgsfile | sed -e s,@KEXCLUDE@,"$pl_KEXCLUDES",)
240 # get mirrors if not specified with -l
241 if [ -z "$mirrors" ] ; then
242 mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
243 mirrors=$(pl_parsePkgs mirror $fcdistro $pldistro $mirrorsfile)
247 [ -n "$pkgs_kexcludes" ] && kexclude_line="exclude=$pkgs_kexcludes"
249 echo "$0: candidate mirrors"
250 for mirror in $mirrors ; do
251 echo "* candidate mirror $mirror"
254 # the repo part of the final yum.conf
255 yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
256 if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$kexclude_line" $mirrors ; then
257 echo xxx -- error ; return 1
260 # Do not tolerate errors
263 public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
265 ## make rpms ignore installing stuff to special fs entries like /proc
266 # Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
267 # you have to use at least one language beside 'C'
268 # Prevent all locales from being installed in reference image
269 mkdir -p $vroot/etc/rpm
270 pl_root_rpm_macros > $vroot/etc/rpm/macros
272 # Trick rpm and yum, who read the real root /etc/rpm/macros file
273 # rather than the one installed in the reference image, despite what
274 # you might expect the --root and --installroot options to mean. Both
275 # programs always read $HOME/.rpmmacros.
276 export HOME=$vroot/tmp
278 pl_root_rpm_macros > $vroot/tmp/.rpmmacros
280 function mkfedora_cleanup () {
281 umount -l $vroot/proc
282 umount -l $vroot/dev/shm
283 umount -l $vroot/dev/pts
286 # Clean up before exiting if anything goes wrong
287 trap "mkfedora_cleanup" ERR INT
289 # Mount in reference image
290 mount -t devpts none $vroot/dev/pts
291 mount -t tmpfs none $vroot/dev/shm
293 mount -t proc none $vroot/proc
295 # Create a /var/lib dirs for yum & rpm
296 mkdir -p $vroot/var/lib/yum
297 mkdir -p $vroot/var/lib/rpm
298 mkdir -p $vroot/usr/share/info
300 # Create a dummy /etc/fstab in reference image
302 cat >$vroot/etc/fstab <<EOF
303 # This fake fstab exists only to please df and linuxconf.
304 /dev/hdv1 / ext2 defaults 1 1
306 cp $vroot/etc/fstab $vroot/etc/mtab
308 # Necessary for some scripts
309 mkdir -p $vroot/etc/sysconfig
310 echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
312 # Initialize RPM database in reference image
313 mkdir -p $vroot/var/lib/rpm
314 rpm --root $vroot --initdb
315 rpm --root $vroot --import $public_gpg_key
317 # Initialize yum in reference image
318 mkdir -p $vroot/var/cache/yum $vroot/var/log
320 # yum.conf is for building only - store in different location than /etc/yum.conf
321 yum_conf=$vroot/etc/mkfedora-yum.conf
322 cat > $yum_conf <<EOF
324 cachedir=/var/cache/yum
326 logfile=/var/log/yum.log
328 distroverpkg=redhat-release
334 # Prevent yum-2.4 from loading additional repository definitions
335 # (e.g., from /etc/yum.repos.d/)
339 cat $yum_conf_repos >> $yum_conf
341 # If we are being built as part of an automated RPM build, solve the
342 # bootstrap problem by including any just built packages in the yum
343 # configuration. This cooperates with the PlanetLab build system.
344 if [ -n "$RPM_BUILD_DIR" ] ; then
345 RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
346 # If run under sudo, allow user to delete the headers/ and
347 # repodata/ directories.
348 if [ -n "$SUDO_USER" ] ; then
349 chown -R $SUDO_USER $RPM_RPMS_DIR
351 cat >> $yum_conf <<EOF
354 name=Building - $basearch - $RPM_RPMS_DIR/
355 baseurl=file://$RPM_RPMS_DIR/
359 echo "========== Dumping $yum_conf"
361 echo "========== EndDump $yum_conf"
364 # yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
365 yum_options="$yum_options -y"
366 yum_options="$yum_options -c $yum_conf"
367 yum_options="$yum_options --installroot=$vroot"
369 # glibc must be specified explicitly for the correct arch to be
371 echo "* Installing glibc"
372 # ignore yum's return code that is basically undefined
373 yum $yum_options install glibc || :
376 if [ -n "$pkgs_packages" ] ; then
377 echo "* Installing optional packages" $pkgs_packages
378 # ignore yum's return code that is basically undefined
379 yum $yum_options install $pkgs_packages || :
380 if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
381 echo "* Warning: Missing packages"
382 rpm --root $vroot -q $pkgs_packages | grep "not installed"
386 if [ -n "$pkgs_groups" ] ; then
387 ## call yum sequentially to get finer-grained info on dependencies
388 for group_plus in $pkgs_groups ; do
389 group=$(echo $group_plus | sed -e "s,+++, ,g")
390 echo "* Installing optional group $group"
391 # ignore yum's return code that is basically undefined
392 yum $yum_options groupinstall "$group" || :
396 # formerly in bootcd/prep.sh : to optimize footprint
397 if [ -n "$pkgs_junk" ] ; then
398 echo "* Removing unnecessary junk"
400 # Save precious files
401 [ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
402 # Remove unnecessary junk
403 [ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
404 # Restore precious files
405 [ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
411 # ignore yum's return code that is basically undefined
412 yum $yum_options clean all || :
415 rm -f $vroot/var/lib/rpm/__db*
417 # Set time zone to UTC
418 if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
419 rm -f $vroot/etc/localtime
420 ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
423 echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
424 chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
426 # remove trap handler, as we are about to call it directly.
435 function pl_root_tune_image () {
438 # Disable all services in reference image
439 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
441 # FC2 minilogd starts up during shutdown and makes unmounting
442 # impossible. Just get rid of it.
443 rm -f $root/sbin/minilogd
444 ln -nsf /bin/true $root/sbin/minilogd
446 # This tells the Boot Manager that it is okay to update
447 # /etc/resolv.conf and /etc/hosts whenever the network configuration
448 # changes. Users are free to delete this file.
449 touch $root/etc/AUTO_UPDATE_NET_FILES
452 # Move specified directories out of a src tree into a dst tree, and
453 # then for each moved directory create a symlink in src to dst.
454 function pl_move_dirs() {
461 for datadir in "$@" ; do
462 mkdir -p ${data}${datadir}
463 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
464 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
466 rm -rf ${root}/${datadir}
467 mkdir -p $(dirname ${root}/${datadir})
468 ln -nsf ${store}/${datadir} ${root}/${datadir}
472 # Construct an image file from given some directory
473 # XXX in the future maybe use livecdtools?
474 function pl_make_image() {
479 # Leave about 100 MB free space and allow for about 20% inode overhead
480 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
482 blocks=$(($bytes / $bs))
483 dd bs=$bs count=$blocks if=/dev/zero of=$image
484 mkfs.ext3 -b $bs -j -F $image
486 # Temporarily mount it
487 tmp=$(mktemp -d tmp.XXXXXX)
488 mount -o loop $image $tmp
489 trap "umount $tmp; rmdir $tmp" ERR INT
492 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
500 # Fix permissions on tmp directories
501 function pl_fixtmp_permissions() {
503 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
506 function pl_fixdirs() {
509 for datadir in datadirs ; do
510 if [ -h ${root}/${datadir} ] ; then
511 rm -f ${root}/${datadir}
512 mkdir -p ${root}/${datadir}
517 ########## .pkgs format
518 # Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
519 # pkgs.py should be found in PATH, like this file build.common
520 function pl_parsePkgs () {
521 target_arch=$pl_DISTRO_ARCH
523 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
527 pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
529 # usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
530 function pl_getPackages() { pl_parsePkgs package "$@" ; }
531 function pl_getGroups() { pl_parsePkgs group "$@" ; }
533 ##############################
534 ### temporary - only for checking the new python version
535 # for a given keyword like 'package' :
536 # we support fcdistro-dependant format, for tokens (pkgname) without whitespace
538 # package: pkg1 .. pkgn
539 # package+f8: pkg1 .. pkgn
540 # package-f8: pkg1 .. pkgn
542 # values can contain @arch@, @fcdistro@ or @pldistro@ that are replaced with the current values
544 # the reason for the -a option is for when we build the build vserver itself; in this case
545 # pl_DISTRO_ARCH is the one we obtain from the root context, and that's wrong
546 # specify -sa arch AFTER keyword, so as to keep pl_getPackages and pl_getGroups simple
548 function pl_parsePkgs_old () {
550 target_arch=$pl_DISTRO_ARCH
552 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
555 # remaining arguments are paths to the pkgs files
557 # grab regular descriptions
558 all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
560 add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}+${fcdistro}:,,")
562 sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}-${fcdistro}:" | sed -e "s,${keyword}-${fcdistro}:,,")
564 for rpm in $all $add; do
565 for exclude in $sub; do
566 [ "$rpm" = "$exclude" ] && continue 2
568 echo "${rpm} " | sed -e "s,@arch@,${target_arch},g" -e "s,@fcdistro@,$fcdistro,g" -e "s,@pldistro@,$pldistro,g"
572 ##############################
574 # locates a pldistro-dependant file
575 # tries first in build/<pldistro>/, then in build/planetlab/
576 function pl_locateDistroFile () {
582 # if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
583 configdir="$builddir/config.${pldistro}"
584 if [ ! -d $configdir ] ; then
585 if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
586 echo 1>&2 "Invoking make to extract remote config.${pldistro}"
587 make 1>&2 --silent --no-print-directory -C $builddir stage1=true config.${pldistro}
591 paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
592 for path in $paths; do
593 if [ -f $path ] ; then
598 if [ -z "$pkgspath" ] ; then
599 echo 1>&2 "pl_locateDistroFile - in $(pwd) : cannot locate $pkgsfile in $builddir"
600 echo 1>&2 "candidates were $paths"
601 echo "not-found-by-pl_locateDistroFile"
604 echo 1>&2 "pl_locateDistroFile: using $pkgspath"
610 function yumgroups_from_pkgs () {
616 sedargs="-e s,@FCDISTRO@,$fcdistro,g"
619 <?xml version="1.0"?>
620 <!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
624 for pkgsname in $pkgsnames; do
625 pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
626 packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
628 groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
629 groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
631 if [ -z "$groupname" -o -z "$groupdesc" ] ; then
632 echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
636 cat << __group_header
638 <id>$(echo $groupname|tr A-Z a-z)</id>
639 <name>$groupname</name>
640 <description>$groupdesc</description>
641 <uservisible>true</uservisible>
644 for package in $packages; do
645 echo "<packagereq type=\"mandatory\">$package</packagereq>"
647 cat << __group_footer
658 function build_fetch () {
659 curl --fail --silent --max-time 60 --output /dev/null "$1"
662 # tries to compute a valid yum.conf for that pldistro from the template in mirroring/
663 # returns 0 and writes <dest_yumconf> on success
664 # returns 1 on failure, in which case <dest_yumconf> is deleted
665 function yumconf_mirrors () {
666 dest_yumconf=$1; shift
669 kexclude_line="$1" ; shift
672 template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
674 if [ ! -f $template ] ; then
675 echo "yumconf_mirrors: cannot locate template $template"
680 for mirror in $mirrors; do
681 if yumconf_mirror $dest_yumconf $template "$kexclude_line" $mirror; then
685 echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
690 # computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
691 # returns 0 on success and 1 on failure
692 function yumconf_mirror () {
693 dest_yumconf=$1; shift
695 kexclude_line="$1" ; shift
698 sed -e "s,@MIRRORURL@,$mirror,g" \
700 $kexclude_line" $template > $dest_yumconf
702 # capture all lines defining baseurl
703 baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
704 if [ -z "$baseurl_defs" ] ; then
708 for baseurl_def in $baseurl_defs; do
709 baseurl=$(echo $baseurl_def | sed \
711 -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
712 repomd=$baseurl/repodata/repomd.xml
714 echo "* Trying to fetch $repomd"
715 if ! build_fetch $repomd ; then
716 echo "* Failed to fetch $repomd"
720 echo "* Selected mirror $mirror"
724 # from a yum.conf as generated above, computes the (first) gpgkey url
725 function yumconf_gpgkey () {
726 dest_yumconf=$1; shift
728 first_line=$(grep '^gpgkey=' $dest_yumconf | head -1)
729 values=$(echo $first_line | sed -e s,gpgkey=,,)
730 value=$(echo $values | awk '{print $1;}' | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
731 [ -n "$value" ] || return 1
736 # patches a yum conf to insert an exclude line in each declared repo
737 function yumconf_exclude () {
739 kexclude_line="$1" ; shift
741 sed -i -e "/#baseurl=.*$/i\\
742 $kexclude_line" $repo