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 () {
76 ### there is an ugly hack going on around here
77 # with f12, the dependencies somehow require kernel 2.6.29 but our own kernel is 2.6.27
78 # so the ugly workaround here is to let 'kernel-debug' get installed from the stock repos
79 # we then remove it manually after the image is done, look for kernel-debug below
80 # relyong on kernel-PAE for this trick won't work, as 64 bits distros don't have PAE of course
82 echo 'kernel kernel-PAE kernel-PAEdebug kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iptables-ipv6 iproute drupal' ;;
84 echo 'kernel kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iproute drupal inotify-tools* libnl' ;;
86 echo "pl_DISTRO_NAME=$pl_DISTRO_NAME not supported in getexcludes.sh" ; exit 1 ;;
90 # figure out which redhat distro we are using (fedora, centos, redhat)
91 pl_DISTRO=$(pl_getDistro)
93 # select basearch of the host devel environment - protected for macos for local tests
94 pl_DISTRO_ARCH=$(uname -i 2>/dev/null|| echo unknownarch)
96 # the release number (plain number)
97 pl_DISTRO_RELEASE=$(pl_getRelease)
99 # the release name - for vserver build ...
100 pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
102 # the packages to exclude
103 pl_KEXCLUDES=$(pl_getKexcludes $pl_DISTRO_NAME)
105 # get path to appropriate yumgroups.xml file
106 # Thierry: quick & dirty improvement
107 # this file is updated by the toplevel build, from the .pkgs files
108 pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
110 function pl_process_fedora_options () {
113 while getopts "l:r:a:h" opt ; do
116 pl_DISTRO_URL=$OPTARG
117 let shiftcount=$shiftcount+2
120 pl_DISTRO_RELEASE=$OPTARG
121 let shiftcount=$shiftcount+2
124 pl_DISTRO_ARCH=$OPTARG
125 let shiftcount=$shiftcount+2
128 echo "Usage: $0 [OPTION]..."
129 echo " -l url distro mirror location (default: $pl_DISTRO_URL)"
130 echo " -r release distro release number (default: $pl_DISTRO_RELEASE)"
131 echo " -a arch distro architecture (default: $pl_DISTRO_ARCH)"
132 echo "where distro can be either fedora, centos, or redhat"
133 echo " -h This message"
141 ######################################## handling a root image
142 function pl_root_rpm_macros () {
144 %_install_langs C:en_US:en
145 %_netsharedpath /proc:/dev/pts:/usr/share/info
147 %__file_context_path /dev/null
151 function pl_root_makedevs() {
153 # Clean ${vroot}/dev, but only when ${vroot}!=""
154 [ -n $vroot ] && rm -rf $vroot/dev
157 mknod -m 666 $vroot/dev/null c 1 3
158 mknod -m 666 $vroot/dev/zero c 1 5
159 mknod -m 666 $vroot/dev/full c 1 7
160 mknod -m 644 $vroot/dev/random c 1 8
161 mknod -m 644 $vroot/dev/urandom c 1 9
162 mknod -m 666 $vroot/dev/tty c 5 0
163 mknod -m 666 $vroot/dev/ptmx c 5 2
164 # For bash command substitution
165 ln -nsf ../proc/self/fd $vroot/dev/fd
167 # For df and linuxconf
168 touch $vroot/dev/hdv1
171 mkdir -p $vroot/dev/pts
173 # (Might have to remove the following for vserver-reference.)
176 mkdir -p $vroot/dev/shm
179 mkdir -p $vroot/dev/net
180 mknod -m 600 $vroot/dev/net/tun c 10 200
182 # For mkinitrd (in case a kernel is being installed)
183 # As well as for loop back mounting within a vserver.
184 for i in $(seq 0 255) ; do
185 mknod -m 640 $vroot/dev/loop$i b 7 $i
189 function mkfedora_usage() {
190 echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
191 echo " -l url Fedora mirror location."
192 echo " Defaults are searched in <pldistro>.mirrors"
193 echo " -v Be verbose"
194 echo " -h This message"
195 echo " target selection (defaults based on current build vserver)"
196 echo " -r release Fedora release number (default: $releasever)"
197 echo " -a arch Fedora architecture (default: $basearch)"
201 function pl_root_mkfedora () {
203 echo "* Entering pl_root_mkfedora" "$@"
205 if [ $UID -ne 0 ] ; then
206 echo "Error: You must run this script as root."
213 # Release and architecture to install : defaults to current vserver's settings or previously parsed fedora_options
214 releasever=$pl_DISTRO_RELEASE
215 basearch=$pl_DISTRO_ARCH
218 while getopts "vh" opt ; do
220 v) verbose=1; set -x ;;
221 h|*) mkfedora_usage ;;
225 shift $(($OPTIND - 1))
226 [[ "$#" -lt 3 ]] && mkfedora_usage
230 vroot=$(cd $vroot && pwd -P)
231 [ -d $vroot ] || mkfedora_usage
234 # parse pkgsfile and add to local vars
235 fcdistro=${pl_DISTRO_NAME}
236 pkgs_packages=$(pl_parsePkgs package $fcdistro $pldistro $pkgsfile)
237 pkgs_groups=$(pl_parsePkgs group $fcdistro $pldistro $pkgsfile)
238 # what can get trashed to save space
239 pkgs_junk=$(pl_parsePkgs junk $fcdistro $pldistro $pkgsfile)
241 pkgs_precious=$(pl_parsePkgs precious $fcdistro $pldistro $pkgsfile)
242 # formerly related to mkfedora -k : packages to take from our own build
243 # and thus need be excluded frem the stock repos
244 pkgs_kexcludes=$(pl_parsePkgs kexclude $fcdistro $pldistro $pkgsfile | sed -e s,@KEXCLUDE@,"$pl_KEXCLUDES",)
245 # get mirrors if not specified with -l
246 if [ -z "$mirrors" ] ; then
247 mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
248 mirrors=$(pl_parsePkgs mirror $fcdistro $pldistro $mirrorsfile)
252 [ -n "$pkgs_kexcludes" ] && kexclude_line="exclude=$pkgs_kexcludes"
254 echo "$0: candidate mirrors"
255 for mirror in $mirrors ; do
256 echo "* candidate mirror $mirror"
259 # the repo part of the final yum.conf
260 yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
261 if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$kexclude_line" $mirrors ; then
262 echo xxx -- error ; return 1
265 # Do not tolerate errors
268 public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
270 ## make rpms ignore installing stuff to special fs entries like /proc
271 # Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
272 # you have to use at least one language beside 'C'
273 # Prevent all locales from being installed in reference image
274 mkdir -p $vroot/etc/rpm
275 pl_root_rpm_macros > $vroot/etc/rpm/macros
277 # Trick rpm and yum, who read the real root /etc/rpm/macros file
278 # rather than the one installed in the reference image, despite what
279 # you might expect the --root and --installroot options to mean. Both
280 # programs always read $HOME/.rpmmacros.
281 export HOME=$vroot/tmp
283 pl_root_rpm_macros > $vroot/tmp/.rpmmacros
285 function mkfedora_cleanup () {
286 umount -l $vroot/proc
287 umount -l $vroot/dev/shm
288 umount -l $vroot/dev/pts
291 # Clean up before exiting if anything goes wrong
292 trap "mkfedora_cleanup" ERR INT
294 # Mount in reference image
295 mount -t devpts none $vroot/dev/pts
296 mount -t tmpfs none $vroot/dev/shm
298 mount -t proc none $vroot/proc
300 # Create a /var/lib dirs for yum & rpm
301 mkdir -p $vroot/var/lib/yum
302 mkdir -p $vroot/var/lib/rpm
303 mkdir -p $vroot/usr/share/info
305 # Create a dummy /etc/fstab in reference image
307 cat >$vroot/etc/fstab <<EOF
308 # This fake fstab exists only to please df and linuxconf.
309 /dev/hdv1 / ext2 defaults 1 1
311 cp $vroot/etc/fstab $vroot/etc/mtab
313 # Necessary for some scripts
314 mkdir -p $vroot/etc/sysconfig
315 echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
317 # Initialize RPM database in reference image
318 mkdir -p $vroot/var/lib/rpm
319 rpm --root $vroot --initdb
320 rpm --root $vroot --import $public_gpg_key
322 # Initialize yum in reference image
323 mkdir -p $vroot/var/cache/yum $vroot/var/log
325 # yum.conf is for building only - store in different location than /etc/yum.conf
326 yum_conf=$vroot/etc/mkfedora-yum.conf
327 cat > $yum_conf <<EOF
329 cachedir=/var/cache/yum
331 logfile=/var/log/yum.log
333 distroverpkg=redhat-release
339 # Prevent yum-2.4 from loading additional repository definitions
340 # (e.g., from /etc/yum.repos.d/)
344 cat $yum_conf_repos >> $yum_conf
346 # If we are being built as part of an automated RPM build, solve the
347 # bootstrap problem by including any just built packages in the yum
348 # configuration. This cooperates with the PlanetLab build system.
349 if [ -n "$RPM_BUILD_DIR" ] ; then
350 RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
351 # If run under sudo, allow user to delete the headers/ and
352 # repodata/ directories.
353 if [ -n "$SUDO_USER" ] ; then
354 chown -R $SUDO_USER $RPM_RPMS_DIR
356 cat >> $yum_conf <<EOF
359 name=Building - $basearch - $RPM_RPMS_DIR/
360 baseurl=file://$RPM_RPMS_DIR/
364 echo "========== Dumping $yum_conf"
366 echo "========== EndDump $yum_conf"
369 # yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
370 yum_options="$yum_options -y"
371 yum_options="$yum_options -c $yum_conf"
372 yum_options="$yum_options --installroot=$vroot"
374 # glibc must be specified explicitly for the correct arch to be
376 echo "* Installing glibc"
377 # ignore yum's return code that is basically undefined
378 yum $yum_options install glibc || :
381 if [ -n "$pkgs_packages" ] ; then
382 echo "* Installing optional packages" $pkgs_packages
383 # ignore yum's return code that is basically undefined
384 yum $yum_options install $pkgs_packages || :
385 if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
386 echo "* Warning: Missing packages"
387 rpm --root $vroot -q $pkgs_packages | grep "not installed"
391 if [ -n "$pkgs_groups" ] ; then
392 ## call yum sequentially to get finer-grained info on dependencies
393 for group_plus in $pkgs_groups ; do
394 group=$(echo $group_plus | sed -e "s,+++, ,g")
395 echo "* Installing optional group $group"
396 # ignore yum's return code that is basically undefined
397 yum $yum_options groupinstall "$group" || :
401 # formerly in bootcd/prep.sh : to optimize footprint
402 if [ -n "$pkgs_junk" ] ; then
403 echo "* Removing unnecessary junk"
405 # Save precious files
406 [ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
407 # Remove unnecessary junk
408 [ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
409 # Restore precious files
410 [ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
417 # NOTE: this hack is for Fedora >= 12.
418 # if kernel-debug is installed, clean it up
419 # we link to our version of kernel/initrd and clean up
420 # kernel-debug manually
421 if rpm --root $vroot --quiet -q kernel-debug ; then
422 echo "* Cleaning up kernel-debug - (workaround for f12)"
424 rm -rf kernel-boot kernel-bootsmp initrd-boot initrd-bootsmp
425 ln -s vmlinuz-*${pldistro}* kernel-boot
426 ln -s vmlinuz-*${pldistro}* kernel-bootsmp
427 ln -s initrd-*${pldistro}* initrd-boot
428 ln -s initrd-*${pldistro}* initrd-bootsmp
429 rpm --root $vroot --nodeps -e kernel-debug || :
433 # ignore yum's return code that is basically undefined
434 yum $yum_options clean all || :
437 rm -f $vroot/var/lib/rpm/__db*
439 # Set time zone to UTC
440 if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
441 rm -f $vroot/etc/localtime
442 ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
445 echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
446 chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
448 # remove trap handler, as we are about to call it directly.
457 function pl_root_tune_image () {
460 # Disable all services in reference image
461 chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
463 # FC2 minilogd starts up during shutdown and makes unmounting
464 # impossible. Just get rid of it.
465 rm -f $root/sbin/minilogd
466 ln -nsf /bin/true $root/sbin/minilogd
468 # This tells the Boot Manager that it is okay to update
469 # /etc/resolv.conf and /etc/hosts whenever the network configuration
470 # changes. Users are free to delete this file.
471 touch $root/etc/AUTO_UPDATE_NET_FILES
474 # Move specified directories out of a src tree into a dst tree, and
475 # then for each moved directory create a symlink in src to dst.
476 function pl_move_dirs() {
483 for datadir in "$@" ; do
484 mkdir -p ${data}${datadir}
485 if [ -d ${root}/${datadir} -a ! -h ${root}/${datadir} ] ; then
486 (cd ${root} && find ./${datadir} | cpio -p -d -u ../${data}/)
488 rm -rf ${root}/${datadir}
489 mkdir -p $(dirname ${root}/${datadir})
490 ln -nsf ${store}/${datadir} ${root}/${datadir}
494 # Construct an image file from given some directory
495 # XXX in the future maybe use livecdtools?
496 function pl_make_image() {
501 # Leave about 100 MB free space and allow for about 20% inode overhead
502 bytes=$((($(du -sb $root | cut -f1) + $extraspace) * 120 / 100))
504 blocks=$(($bytes / $bs))
505 dd bs=$bs count=$blocks if=/dev/zero of=$image
506 mkfs.ext3 -b $bs -j -F $image
508 # Temporarily mount it
509 tmp=$(mktemp -d tmp.XXXXXX)
510 mount -o loop $image $tmp
511 trap "umount $tmp; rmdir $tmp" ERR INT
514 (cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
522 # Fix permissions on tmp directories
523 function pl_fixtmp_permissions() {
525 chmod 1777 $root/tmp $root/usr/tmp $root/var/tmp
528 function pl_fixdirs() {
531 for datadir in datadirs ; do
532 if [ -h ${root}/${datadir} ] ; then
533 rm -f ${root}/${datadir}
534 mkdir -p ${root}/${datadir}
539 ########## .pkgs format
540 # Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
541 # pkgs.py should be found in PATH, like this file build.common
542 function pl_parsePkgs () {
543 target_arch=$pl_DISTRO_ARCH
545 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
549 pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
551 # usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
552 function pl_getPackages() { pl_parsePkgs package "$@" ; }
553 function pl_getGroups() { pl_parsePkgs group "$@" ; }
555 ##############################
556 ### temporary - only for checking the new python version
557 # for a given keyword like 'package' :
558 # we support fcdistro-dependant format, for tokens (pkgname) without whitespace
560 # package: pkg1 .. pkgn
561 # package+f8: pkg1 .. pkgn
562 # package-f8: pkg1 .. pkgn
564 # values can contain @arch@, @fcdistro@ or @pldistro@ that are replaced with the current values
566 # the reason for the -a option is for when we build the build vserver itself; in this case
567 # pl_DISTRO_ARCH is the one we obtain from the root context, and that's wrong
568 # specify -sa arch AFTER keyword, so as to keep pl_getPackages and pl_getGroups simple
570 function pl_parsePkgs_old () {
572 target_arch=$pl_DISTRO_ARCH
574 [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
577 # remaining arguments are paths to the pkgs files
579 # grab regular descriptions
580 all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
582 add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}+${fcdistro}:,,")
584 sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}-${fcdistro}:" | sed -e "s,${keyword}-${fcdistro}:,,")
586 for rpm in $all $add; do
587 for exclude in $sub; do
588 [ "$rpm" = "$exclude" ] && continue 2
590 echo "${rpm} " | sed -e "s,@arch@,${target_arch},g" -e "s,@fcdistro@,$fcdistro,g" -e "s,@pldistro@,$pldistro,g"
594 ##############################
596 # locates a pldistro-dependant file
597 # tries first in build/<pldistro>/, then in build/planetlab/
598 function pl_locateDistroFile () {
604 # if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
605 configdir="$builddir/config.${pldistro}"
606 if [ ! -d $configdir ] ; then
607 if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
608 echo 1>&2 "Invoking make to extract remote config.${pldistro}"
609 make 1>&2 --silent --no-print-directory -C $builddir stage1=true config.${pldistro}
613 paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
614 for path in $paths; do
615 if [ -f $path ] ; then
620 if [ -z "$pkgspath" ] ; then
621 echo 1>&2 "pl_locateDistroFile - in $(pwd) : cannot locate $pkgsfile in $builddir"
622 echo 1>&2 "candidates were $paths"
623 echo "not-found-by-pl_locateDistroFile"
626 echo 1>&2 "pl_locateDistroFile: using $pkgspath"
632 function yumgroups_from_pkgs () {
638 sedargs="-e s,@FCDISTRO@,$fcdistro,g"
641 <?xml version="1.0"?>
642 <!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
646 for pkgsname in $pkgsnames; do
647 pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
648 packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
650 groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
651 groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
653 if [ -z "$groupname" -o -z "$groupdesc" ] ; then
654 echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
658 cat << __group_header
660 <id>$(echo $groupname|tr A-Z a-z)</id>
661 <name>$groupname</name>
662 <description>$groupdesc</description>
663 <uservisible>true</uservisible>
666 for package in $packages; do
667 echo "<packagereq type=\"mandatory\">$package</packagereq>"
669 cat << __group_footer
680 function build_fetch () {
681 curl --fail --silent --max-time 60 --output /dev/null "$1"
684 # tries to compute a valid yum.conf for that pldistro from the template in mirroring/
685 # returns 0 and writes <dest_yumconf> on success
686 # returns 1 on failure, in which case <dest_yumconf> is deleted
687 function yumconf_mirrors () {
688 dest_yumconf=$1; shift
691 kexclude_line="$1" ; shift
694 template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
696 if [ ! -f $template ] ; then
697 echo "yumconf_mirrors: cannot locate template $template"
702 for mirror in $mirrors; do
703 if yumconf_mirror $dest_yumconf $template "$kexclude_line" $mirror; then
707 echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
712 # computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
713 # returns 0 on success and 1 on failure
714 function yumconf_mirror () {
715 dest_yumconf=$1; shift
717 kexclude_line="$1" ; shift
720 sed -e "s,@MIRRORURL@,$mirror,g" \
722 $kexclude_line" $template > $dest_yumconf
724 # capture all lines defining baseurl
725 baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
726 if [ -z "$baseurl_defs" ] ; then
730 for baseurl_def in $baseurl_defs; do
731 baseurl=$(echo $baseurl_def | sed \
733 -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
734 repomd=$baseurl/repodata/repomd.xml
736 echo "* Trying to fetch $repomd"
737 if ! build_fetch $repomd ; then
738 echo "* Failed to fetch $repomd"
742 echo "* Selected mirror $mirror"
746 # from a yum.conf as generated above, computes the (first) gpgkey url
747 function yumconf_gpgkey () {
748 dest_yumconf=$1; shift
750 first_line=$(grep '^gpgkey=' $dest_yumconf | head -1)
751 values=$(echo $first_line | sed -e s,gpgkey=,,)
752 value=$(echo $values | awk '{print $1;}' | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
753 [ -n "$value" ] || return 1
758 # patches a yum conf to insert an exclude line in each declared repo
759 function yumconf_exclude () {
761 kexclude_line="$1" ; shift
763 sed -i -e "/#baseurl=.*$/i\\
764 $kexclude_line" $repo