# -*-Shell-script-*-
#
+# $Id$
+# $URL$
+#
# Common functions for build scripts used by various packages
# incorporated (e.g., build, myplc, myplc-devel, vserver-reference)
#
# Marc E. Fiuczynski <mef@cs.princeton.edu>
# Copyright (C) 2007 The Trustees of Princeton University
#
-# $Id$
+# supported distros f8, f10, f12, centos5
#
+# for locating pkgs.py
+export PATH=.:$PATH
-function pl_getDefaultDistro() {
- # FC4 is currently the default release
- echo "Fedora"
- return 0
-}
-
-function pl_getDefaultRelease() {
- # FC4 is currently the default release
- echo "4"
- return 0
-}
-
+# returns 'Fedora' or 'CentOS' for now
function pl_getDistro() {
- defaultDistro=$(pl_getDefaultDistro)
if [ -f "/etc/redhat-release" ] ; then
distro=$(awk ' { print $1 } ' /etc/redhat-release)
+ case $distro in Red*) distro="Redhat" ; esac
else
- distro=$defaultDistro
+ echo "build.common.pl_getDistro-unknown"
+ exit 1
fi
echo "$distro"
return 0
}
+# returns something like 8, 10, or 5.3
function pl_getRelease() {
- defaultRelease=$(pl_getDefaultRelease)
if [ -f "/etc/redhat-release" ] ; then
- release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 } ' /etc/redhat-release)
- [ $release -lt $defaultRelease ] && release=$defaultRelease
+ release=$(awk ' { if ($1=="Fedora" && $2=="Core") print $4 ; if (($1=="Fedora" && $2!="Core")||$1=="CentOS") print $3 ; if ($1=="Red") print $6 } ' /etc/redhat-release)
else
- release=$defaultRelease
+ echo "build.common.pl_getRelease-unknown"
+ exit 1
fi
- echo "$release"
+ # keep only the major number
+ echo "$release" | cut -d. -f1
return 0
}
-# vserver expects something like fc4 or f7
-# for fedora and centos only for now
+# returns stuff for vserver, i.e. something like 'f8' or 'centos5'
function pl_getReleaseName () {
distro=$1; shift
release=$1; shift
case $distro in
[Ff]edora*)
- if [ "$release" -le 6 ] ; then
- releasename=fc$release
- else
- releasename=f$release
- fi ;;
+ releasename=f$release
+ ;;
+ [Re]edhat*)
+ releasename=rhel6
+ ;;
[Cc]entOS*)
- if [ "$release" = "4.5" ] ; then
- # centos 4.5 is just centos4 + enhancements
- releasename=centos4
- else
- releasename=centos$release
- fi ;;
+ old_IFS="$IFS"
+ IFS="."
+ set -- $release
+ IFS="$old_IFS"
+ releasename=centos$1
+ ;;
*)
releasename="unknown-name-for-${pl_DISTRO}-please-edit-build.common"
echo 1>&2 "build.common: WARNING - releasename not set for distro=$distro"
return 0
}
+# on fedora 8 or above, we use libnl from the stock repos
+# on centos5 we build it locally
+function pl_getKexcludes () {
+ distroname=$1; shift
+ case $distroname in
+ ### there is an ugly hack going on around here
+ # with f12, the dependencies somehow require kernel 2.6.29 but our own kernel is 2.6.27
+ # so the ugly workaround here is to let 'kernel-debug' get installed from the stock repos
+ # we then remove it manually after the image is done, look for kernel-debug below
+ # relyong on kernel-PAE for this trick won't work, as 64 bits distros don't have PAE of course
+ f*)
+ echo 'kernel kernel-PAE kernel-PAEdebug kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iptables-ipv6 iproute drupal' ;;
+ centos5)
+ echo 'kernel kernel-vserver kernel-devel kernel-headers kernel-debuginfo util-vserver* iptables iproute drupal inotify-tools* libnl' ;;
+ *)
+ echo "pl_DISTRO_NAME=$pl_DISTRO_NAME not supported in getexcludes.sh" ; exit 1 ;;
+ esac
+}
+
# figure out which redhat distro we are using (fedora, centos, redhat)
pl_DISTRO=$(pl_getDistro)
-# select basearch of the host devel environment
-pl_DISTRO_ARCH=$(uname -i)
-
-# let mkfedora select one of its mirrors
-pl_DISTRO_URL=""
+# select basearch of the host devel environment - protected for macos for local tests
+pl_DISTRO_ARCH=$(uname -i 2>/dev/null|| echo unknownarch)
# the release number (plain number)
pl_DISTRO_RELEASE=$(pl_getRelease)
-# the release name - for vserver build - like fc4, f8 or centos4
+# the release name - for vserver build ...
pl_DISTRO_NAME=$(pl_getReleaseName $pl_DISTRO $pl_DISTRO_RELEASE)
+# the packages to exclude
+pl_KEXCLUDES=$(pl_getKexcludes $pl_DISTRO_NAME)
+
# get path to appropriate yumgroups.xml file
# Thierry: quick & dirty improvement
-# this file is updated by the toplevel build, from groups/<pldistro>.xml
+# this file is updated by the toplevel build, from the .pkgs files
pl_DISTRO_YUMGROUPS="../../../RPMS/yumgroups.xml"
function pl_process_fedora_options () {
return $shiftcount
}
-function pl_makedevs() {
+######################################## handling a root image
+function pl_root_rpm_macros () {
+ cat <<EOF
+%_install_langs C:en_US:en
+%_netsharedpath /proc:/dev/pts:/usr/share/info
+%_excludedocs 1
+%__file_context_path /dev/null
+EOF
+}
+
+function pl_root_makedevs() {
vroot=$1
# Clean ${vroot}/dev, but only when ${vroot}!=""
[ -n $vroot ] && rm -rf $vroot/dev
done
}
-function pl_mkfedora() {
- root=$1
- shift
- options=$@
+function mkfedora_usage() {
+ echo "Usage: pl_root_mkfedora [OPTION]... basedir pldistro pkgsfile(s)"
+ echo " -l url Fedora mirror location."
+ echo " Defaults are searched in <pldistro>.mirrors"
+ echo " -v Be verbose"
+ echo " -h This message"
+ echo " target selection (defaults based on current build vserver)"
+ echo " -r release Fedora release number (default: $releasever)"
+ echo " -a arch Fedora architecture (default: $basearch)"
+ exit 1
+}
- pl_makedevs $root
+function pl_root_mkfedora () {
- [ -n "$pl_DISTRO_URL" ] && options="$options -l $pl_DISTRO_URL"
- [ -n "$pl_DISTRO_ARCH" ] && options="$options -a $pl_DISTRO_ARCH"
- [ -n "$pl_DISTRO_RELEASE" ] && options="$options -r $pl_DISTRO_RELEASE"
- # echo "mkfedora -v $options $root"
- eval mkfedora -v $options $root
-}
+ echo "* Entering pl_root_mkfedora" "$@"
-function pl_setup_chroot() {
- root=$1
- shift
- options=$@
+ if [ $UID -ne 0 ] ; then
+ echo "Error: You must run this script as root."
+ exit 1
+ fi
+
+# Verbosity
+ verbose=0
+
+# Release and architecture to install : defaults to current vserver's settings or previously parsed fedora_options
+ releasever=$pl_DISTRO_RELEASE
+ basearch=$pl_DISTRO_ARCH
+
+# Get options
+ while getopts "vh" opt ; do
+ case $opt in
+ v) verbose=1; set -x ;;
+ h|*) mkfedora_usage ;;
+ esac
+ done
+
+ shift $(($OPTIND - 1))
+ [[ "$#" -lt 3 ]] && mkfedora_usage
+ vroot=$1 ; shift
+ pldistro=$1 ; shift
+ pkgsfile="$@"
+ vroot=$(cd $vroot && pwd -P)
+ [ -d $vroot ] || mkfedora_usage
+
+
+ # parse pkgsfile and add to local vars
+ fcdistro=${pl_DISTRO_NAME}
+ pkgs_packages=$(pl_parsePkgs package $fcdistro $pldistro $pkgsfile)
+ pkgs_groups=$(pl_parsePkgs group $fcdistro $pldistro $pkgsfile)
+ # what can get trashed to save space
+ pkgs_junk=$(pl_parsePkgs junk $fcdistro $pldistro $pkgsfile)
+ # but not this
+ pkgs_precious=$(pl_parsePkgs precious $fcdistro $pldistro $pkgsfile)
+ # formerly related to mkfedora -k : packages to take from our own build
+ # and thus need be excluded frem the stock repos
+ pkgs_kexcludes=$(pl_parsePkgs kexclude $fcdistro $pldistro $pkgsfile | sed -e s,@KEXCLUDE@,"$pl_KEXCLUDES",)
+ # get mirrors if not specified with -l
+ if [ -z "$mirrors" ] ; then
+ mirrorsfile=$(pl_locateDistroFile ../build/ $pldistro "$pldistro.mirrors")
+ mirrors=$(pl_parsePkgs mirror $fcdistro $pldistro $mirrorsfile)
+ fi
+
+ kexclude_line=""
+ [ -n "$pkgs_kexcludes" ] && kexclude_line="exclude=$pkgs_kexcludes"
+
+ echo "$0: candidate mirrors"
+ for mirror in $mirrors ; do
+ echo "* candidate mirror $mirror"
+ done
+
+ # the repo part of the final yum.conf
+ yum_conf_repos=$vroot/xxxmkfedora-repos.confxxx
+ if ! yumconf_mirrors $yum_conf_repos ../build/ $fcdistro "$kexclude_line" $mirrors ; then
+ echo xxx -- error ; return 1
+ fi
+
+ # Do not tolerate errors
+ set -e
+
+ public_gpg_key=$(yumconf_gpgkey $yum_conf_repos)
+
+ ## make rpms ignore installing stuff to special fs entries like /proc
+ # Because of https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=52725
+ # you have to use at least one language beside 'C'
+ # Prevent all locales from being installed in reference image
+ mkdir -p $vroot/etc/rpm
+ pl_root_rpm_macros > $vroot/etc/rpm/macros
+
+ # Trick rpm and yum, who read the real root /etc/rpm/macros file
+ # rather than the one installed in the reference image, despite what
+ # you might expect the --root and --installroot options to mean. Both
+ # programs always read $HOME/.rpmmacros.
+ export HOME=$vroot/tmp
+ mkdir -p $vroot/tmp
+ pl_root_rpm_macros > $vroot/tmp/.rpmmacros
+
+ function mkfedora_cleanup () {
+ umount -l $vroot/proc
+ umount -l $vroot/dev/shm
+ umount -l $vroot/dev/pts
+ }
+
+ # Clean up before exiting if anything goes wrong
+ trap "mkfedora_cleanup" ERR INT
+
+ # Mount in reference image
+ mount -t devpts none $vroot/dev/pts
+ mount -t tmpfs none $vroot/dev/shm
+ mkdir -p $vroot/proc
+ mount -t proc none $vroot/proc
+
+ # Create a /var/lib dirs for yum & rpm
+ mkdir -p $vroot/var/lib/yum
+ mkdir -p $vroot/var/lib/rpm
+ mkdir -p $vroot/usr/share/info
+
+ # Create a dummy /etc/fstab in reference image
+ mkdir -p $vroot/etc
+ cat >$vroot/etc/fstab <<EOF
+# This fake fstab exists only to please df and linuxconf.
+/dev/hdv1 / ext2 defaults 1 1
+EOF
+ cp $vroot/etc/fstab $vroot/etc/mtab
+
+ # Necessary for some scripts
+ mkdir -p $vroot/etc/sysconfig
+ echo "NETWORKING=yes" > $vroot/etc/sysconfig/network
+
+ # Initialize RPM database in reference image
+ mkdir -p $vroot/var/lib/rpm
+ rpm --root $vroot --initdb
+ rpm --root $vroot --import $public_gpg_key
+
+ # Initialize yum in reference image
+ mkdir -p $vroot/var/cache/yum $vroot/var/log
+
+# yum.conf is for building only - store in different location than /etc/yum.conf
+ yum_conf=$vroot/etc/mkfedora-yum.conf
+ cat > $yum_conf <<EOF
+[main]
+cachedir=/var/cache/yum
+debuglevel=2
+logfile=/var/log/yum.log
+pkgpolicy=newest
+distroverpkg=redhat-release
+tolerant=1
+exactarch=1
+retries=20
+obsoletes=1
+gpgcheck=0
+# Prevent yum-2.4 from loading additional repository definitions
+# (e.g., from /etc/yum.repos.d/)
+reposdir=/dev/null
+EOF
+
+ cat $yum_conf_repos >> $yum_conf
+
+ # If we are being built as part of an automated RPM build, solve the
+ # bootstrap problem by including any just built packages in the yum
+ # configuration. This cooperates with the PlanetLab build system.
+ if [ -n "$RPM_BUILD_DIR" ] ; then
+ RPM_RPMS_DIR=$(cd $(dirname $RPM_BUILD_DIR)/RPMS && pwd -P)
+ # If run under sudo, allow user to delete the headers/ and
+ # repodata/ directories.
+ if [ -n "$SUDO_USER" ] ; then
+ chown -R $SUDO_USER $RPM_RPMS_DIR
+ fi
+ cat >> $yum_conf <<EOF
+
+[building]
+name=Building - $basearch - $RPM_RPMS_DIR/
+baseurl=file://$RPM_RPMS_DIR/
+EOF
+fi
+
+ echo "========== Dumping $yum_conf"
+ cat $yum_conf
+ echo "========== EndDump $yum_conf"
+
+ yum_options=""
+# yum --help | grep verbose &> /dev/null && yum_options="$yum_options --verbose"
+ yum_options="$yum_options -y"
+ yum_options="$yum_options -c $yum_conf"
+ yum_options="$yum_options --installroot=$vroot"
+
+ # glibc must be specified explicitly for the correct arch to be
+ # chosen.
+ echo "* Installing glibc"
+ # ignore yum's return code that is basically undefined
+ yum $yum_options install glibc || :
+
+ # Go, baby, go
+ if [ -n "$pkgs_packages" ] ; then
+ echo "* Installing optional packages" $pkgs_packages
+ # ignore yum's return code that is basically undefined
+ yum $yum_options install $pkgs_packages || :
+ if ! rpm --root $vroot -q $pkgs_packages >/dev/null ; then
+ echo "* Warning: Missing packages"
+ rpm --root $vroot -q $pkgs_packages | grep "not installed"
+ fi
+ fi
+
+ if [ -n "$pkgs_groups" ] ; then
+ ## call yum sequentially to get finer-grained info on dependencies
+ for group_plus in $pkgs_groups ; do
+ group=$(echo $group_plus | sed -e "s,+++, ,g")
+ echo "* Installing optional group $group"
+ # ignore yum's return code that is basically undefined
+ yum $yum_options groupinstall "$group" || :
+ done
+ fi
+
+ # formerly in bootcd/prep.sh : to optimize footprint
+ if [ -n "$pkgs_junk" ] ; then
+ echo "* Removing unnecessary junk"
+ pushd $vroot
+ # Save precious files
+ [ -n "$pkgs_precious" ] && tar --ignore-failed-read -cpf precious.tar $pkgs_precious
+ # Remove unnecessary junk
+ [ -n "$pkgs_junk" ] && rm -rf $pkgs_junk
+ # Restore precious files
+ [ -n "$pkgs_precious" ] && tar -xpf precious.tar && rm -f precious.tar
+ popd
+ fi
+
+ # Clean yum cache
+ echo "* Cleaning up"
+
+ # NOTE: this hack is for Fedora >= 12.
+ # if kernel-debug is installed, clean it up
+ # we link to our version of kernel/initrd and clean up
+ # kernel-debug manually
+ if rpm --root $vroot --quiet -q kernel-debug ; then
+ echo "* Cleaning up kernel-debug - (workaround for f12)"
+ pushd $vroot/boot/
+ rm -rf kernel-boot kernel-bootsmp initrd-boot initrd-bootsmp
+ ln -s vmlinuz-*${pldistro}* kernel-boot
+ ln -s vmlinuz-*${pldistro}* kernel-bootsmp
+ ln -s initrd-*${pldistro}* initrd-boot
+ ln -s initrd-*${pldistro}* initrd-bootsmp
+ rpm --root $vroot --nodeps -e kernel-debug || :
+ popd
+ fi
+
+ # ignore yum's return code that is basically undefined
+ yum $yum_options clean all || :
+
+ # Clean RPM state
+ rm -f $vroot/var/lib/rpm/__db*
+
+ # Set time zone to UTC
+ if [ -f $vroot/usr/share/zoneinfo/UTC -a -f $vroot/etc/localtime ] ; then
+ rm -f $vroot/etc/localtime
+ ln -s /usr/share/zoneinfo/UTC $vroot/etc/localtime
+ fi
+
+ echo "Dumping current list of rpms in /etc/mkfedora-rpms.txt"
+ chroot $vroot rpm -aq | sort > $vroot/etc/mkfedora-rpms.txt
+
+ # remove trap handler, as we are about to call it directly.
+ trap - ERR INT
+
+ # Clean up
+ mkfedora_cleanup
+
+ return 0
+}
- pl_mkfedora $root $options
+function pl_root_tune_image () {
+ root=$1; shift
# Disable all services in reference image
chroot $root sh -c "/sbin/chkconfig --list | awk '{ print \$1 }' | xargs -i /sbin/chkconfig {} off"
# This tells the Boot Manager that it is okay to update
# /etc/resolv.conf and /etc/hosts whenever the network configuration
# changes. Users are free to delete this file.
- touch $vroot/etc/AUTO_UPDATE_NET_FILES
+ touch $root/etc/AUTO_UPDATE_NET_FILES
}
# Move specified directories out of a src tree into a dst tree, and
fi
rm -rf ${root}/${datadir}
mkdir -p $(dirname ${root}/${datadir})
- ln -nsf /${store}/${datadir} ${root}/${datadir}
+ ln -nsf ${store}/${datadir} ${root}/${datadir}
done
}
(cd $root && tar cpf - .) | (cd $tmp && tar xpf -)
# Unmount it
- umount -l $tmp
+ umount $tmp
rmdir $tmp
trap - ERR INT
}
}
########## .pkgs format
-# comments start with a # - this is needed only if you use a keyword in a comment
+# Usage: pl_parsePkgs keyword [-a arch] fcdistro pldistro pkgs-file[..s]
+# pkgs.py should be found in PATH, like this file build.common
+function pl_parsePkgs () {
+ target_arch=$pl_DISTRO_ARCH
+ keyword=$1;shift
+ [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
+ fcdistro=$1; shift
+ pldistro=$1; shift
+
+ pkgs.py -a $target_arch -f $fcdistro -d $pldistro $keyword "$@"
+}
+# usage: pl_getPackages [-a arch] fcdistro pldistro pkg-file[..s]
+function pl_getPackages() { pl_parsePkgs package "$@" ; }
+function pl_getGroups() { pl_parsePkgs group "$@" ; }
+
+##############################
+### temporary - only for checking the new python version
# for a given keyword like 'package' :
# we support fcdistro-dependant format, for tokens (pkgname) without whitespace
# you can e.g. use
# package: pkg1 .. pkgn
# package+f8: pkg1 .. pkgn
# package-f8: pkg1 .. pkgn
+#
+# values can contain @arch@, @fcdistro@ or @pldistro@ that are replaced with the current values
+#
+# the reason for the -a option is for when we build the build vserver itself; in this case
+# pl_DISTRO_ARCH is the one we obtain from the root context, and that's wrong
+# specify -sa arch AFTER keyword, so as to keep pl_getPackages and pl_getGroups simple
+#
+function pl_parsePkgs_old () {
-function pl_parsePkgs () {
-
+ target_arch=$pl_DISTRO_ARCH
keyword=$1;shift
+ [ "$1" == "-a" ] && { shift; target_arch="$1"; shift; }
fcdistro=$1; shift
+ pldistro=$1; shift
# remaining arguments are paths to the pkgs files
# grab regular descriptions
all=$(grep -v '^#' "$@" | grep --regexp="^${keyword}:" | sed -e "s,${keyword}:,,")
# grab additions
- add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}\+${fcdistro}:,,")
+ add=$(grep -v '^#' "$@" | grep --regexp="^${keyword}+${fcdistro}:" | sed -e "s,${keyword}+${fcdistro}:,,")
# grab exclusions
- sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}\-${fcdistro}:" | sed -e "s,${keyword}\-${fcdistro}:,,")
+ sub=$(grep -v '^#' "$@" | grep --regexp="^${keyword}-${fcdistro}:" | sed -e "s,${keyword}-${fcdistro}:,,")
- for i in $all $add; do
+ for rpm in $all $add; do
for exclude in $sub; do
- [ "$i" = "$exclude" ] && continue 2
+ [ "$rpm" = "$exclude" ] && continue 2
done
- echo "$i "
+ echo "${rpm} " | sed -e "s,@arch@,${target_arch},g" -e "s,@fcdistro@,$fcdistro,g" -e "s,@pldistro@,$pldistro,g"
done
return 0
}
-
-function pl_getPackages() { fcdistro=$1; shift ; pl_parsePkgs package $fcdistro "$@" ; }
-function pl_getGroups() { fcdistro=$1; shift ; pl_parsePkgs group $fcdistro "$@" ; }
-### # add -p before each package for mkfedora
-### function pl_getPackagesOptions2 () { pl_getPackages2 "$@" | awk '{for (i=1;i<=NF;i++) {print "-p " $i}}' ; }
-### # add -g before each group for mkfedora
-### function pl_getGroupsOptions2 () { pl_getGroups2 "$@" | awk '{for (i=1;i<=NF;i++) {print "-g " $i}}' ; }
+##############################
# locates a pldistro-dependant file
# tries first in build/<pldistro>/, then in build/planetlab/
pkgsfile=$1; shift
pkgspath=""
+ # if config dir is missing but a .svnpath or a .gitpath exists, use it to extract the config dir
+ configdir="$builddir/config.${pldistro}"
+ if [ ! -d $configdir ] ; then
+ if [ -f "${configdir}.svnpath" -o -f "${configdir}.gitpath" ] ; then
+ echo 1>&2 "Invoking make to extract remote config.${pldistro}"
+ make 1>&2 --silent --no-print-directory -C $builddir stage1=true config.${pldistro}
+ fi
+ fi
# locate it
paths="$builddir/config.$pldistro/$pkgsfile $builddir/config.planetlab/$pkgsfile"
for path in $paths; do
return 0
fi
}
+
+function yumgroups_from_pkgs () {
+ builddir=$1; shift
+ pldistro=$1; shift
+ fcdistro=$1; shift
+ pkgsnames=$@
+
+ sedargs="-e s,@FCDISTRO@,$fcdistro,g"
+
+ cat <<__header
+<?xml version="1.0"?>
+<!DOCTYPE comps PUBLIC "-//Red Hat, Inc.//DTD Comps info//EN" "comps.dtd">
+<comps>
+__header
+
+ for pkgsname in $pkgsnames; do
+ pkgsfile=$(pl_locateDistroFile $builddir $pldistro $pkgsname)
+ packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
+
+ groupname=$(pkgs.py groupname $pkgsfile | sed $sedargs)
+ groupdesc=$(pkgs.py groupdesc $pkgsfile | sed $sedargs)
+
+ if [ -z "$groupname" -o -z "$groupdesc" ] ; then
+ echo "Cannot find groupname: and groupdesc: in $pkgsfile -- skipped" 1>&2
+ continue
+ fi
+
+ cat << __group_header
+ <group>
+ <id>$(echo $groupname|tr A-Z a-z)</id>
+ <name>$groupname</name>
+ <description>$groupdesc</description>
+ <uservisible>true</uservisible>
+ <packagelist>
+__group_header
+ for package in $packages; do
+ echo "<packagereq type=\"mandatory\">$package</packagereq>"
+ done
+ cat << __group_footer
+ </packagelist>
+ </group>
+__group_footer
+ done
+cat <<__footer
+</comps>
+__footer
+}
+
+
+function build_fetch () {
+ curl --fail --silent --max-time 60 --output /dev/null "$1"
+}
+
+# tries to compute a valid yum.conf for that pldistro from the template in mirroring/
+# returns 0 and writes <dest_yumconf> on success
+# returns 1 on failure, in which case <dest_yumconf> is deleted
+function yumconf_mirrors () {
+ dest_yumconf=$1; shift
+ builddir=$1; shift
+ fcdistro=$1; shift
+ kexclude_line="$1" ; shift
+ mirrors="$@"
+
+ template=$builddir/mirroring/$fcdistro/yum.repos.d/building.repo.in
+
+ if [ ! -f $template ] ; then
+ echo "yumconf_mirrors: cannot locate template $template"
+ rm -f $dest_yumconf
+ return 1
+ fi
+
+ for mirror in $mirrors; do
+ if yumconf_mirror $dest_yumconf $template "$kexclude_line" $mirror; then
+ return 0
+ fi
+ done
+ echo 'yumconf_mirrors in build.common : ran out of mirrors -- BAILING OUT'
+ rm -f $dest_yumconf
+ return 1
+}
+
+# computes a yum.conf from the template, and checks that all baseurl defined in there are valid repos
+# returns 0 on success and 1 on failure
+function yumconf_mirror () {
+ dest_yumconf=$1; shift
+ template=$1; shift
+ kexclude_line="$1" ; shift
+ mirror=$1; shift
+
+ sed -e "s,@MIRRORURL@,$mirror,g" \
+ -e "/baseurl=/i\\
+$kexclude_line" $template > $dest_yumconf
+
+ # capture all lines defining baseurl
+ baseurl_defs=$(grep '^baseurl=' $dest_yumconf)
+ if [ -z "$baseurl_defs" ] ; then
+ return 1
+ fi
+
+ for baseurl_def in $baseurl_defs; do
+ baseurl=$(echo $baseurl_def | sed \
+ -e s,baseurl=,, \
+ -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
+ repomd=$baseurl/repodata/repomd.xml
+
+ echo "* Trying to fetch $repomd"
+ if ! build_fetch $repomd ; then
+ echo "* Failed to fetch $repomd"
+ return 1
+ fi
+ done
+ echo "* Selected mirror $mirror"
+ return 0
+}
+
+# from a yum.conf as generated above, computes the (first) gpgkey url
+function yumconf_gpgkey () {
+ dest_yumconf=$1; shift
+
+ first_line=$(grep '^gpgkey=' $dest_yumconf | head -1)
+ values=$(echo $first_line | sed -e s,gpgkey=,,)
+ value=$(echo $values | awk '{print $1;}' | sed -e 's,$basearch,'"$pl_DISTRO_ARCH",g)
+ [ -n "$value" ] || return 1
+ echo $value
+ return 0
+}
+
+# patches a yum conf to insert an exclude line in each declared repo
+function yumconf_exclude () {
+ repo=$1; shift
+ kexclude_line="$1" ; shift
+
+ sed -i -e "/#baseurl=.*$/i\\
+$kexclude_line" $repo
+}