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#!/bin/bash
# Copyright 2015 Holger Levsen <holger@layer-acht.org>
# released under the GPLv=2
DEBUG=false
. /srv/jenkins/bin/common-functions.sh
common_init "$@"
# common code
. /srv/jenkins/bin/reproducible_common.sh
set -e
cleanup_all() {
cd
# delete session if it still exists
if [ "$MODE" != "master" ] ; then
schroot --end-session -c archlinux-$SRCPACKAGE-$(basename $TMPDIR) > /dev/null 2>&1 || true
fi
# delete makepkg build dir
if [ ! -z $SRCPACKAGE ] && [ -d /tmp/$SRCPACKAGE-$(basename $TMPDIR) ] ; then
rm -r /tmp/$SRCPACKAGE-$(basename $TMPDIR)
fi
# delete main work dir (only on master)
if [ "$MODE" = "master" ] ; then
rm $TMPDIR -r
echo "$(date -u) - $TMPDIR deleted."
fi
rm -f $DUMMY > /dev/null || true
}
handle_remote_error() {
MESSAGE="${BUILD_URL}console got remote error $1"
echo "$(date -u ) - $MESSAGE" | tee -a /var/log/jenkins/reproducible-remote-error.log
echo "Sleeping 5m before aborting the job."
sleep 5m
exec /srv/jenkins/bin/abort.sh
exit 0
}
update_archlinux_repositories() {
# every 2 days we check for new archlinux packages in all tested repositories
touch -d "$(date -d '2 days ago' '+%Y-%m-%d') 00:00 UTC" $DUMMY
local NEED_UPDATE=false
local REPO
for REPO in $ARCHLINUX_REPOS ; do
if [ ! -f ${ARCHLINUX_PKGS}_$REPO ] || [ $DUMMY -nt ${ARCHLINUX_PKGS}_$REPO ] ; then
NEED_UPDATE=true
fi
done
if $NEED_UPDATE ; then
local SESSION="archlinux-scheduler-$RANDOM"
schroot --begin-session --session-name=$SESSION -c jenkins-reproducible-archlinux
for REPO in $ARCHLINUX_REPOS ; do
if [ ! -f ${ARCHLINUX_PKGS}_$REPO ] || [ $DUMMY -nt ${ARCHLINUX_PKGS}_$REPO ] ; then
echo "$(date -u ) - updating list of available packages in repository '$REPO'."
schroot --run-session -c $SESSION --directory /var/abs/$REPO -- ls -1|sort -R|xargs echo > ${ARCHLINUX_PKGS}_$REPO
echo "$(date -u ) - these packages in repository '$REPO' are known to us:"
cat ${ARCHLINUX_PKGS}_$REPO
fi
done
schroot --end-session -c $SESSION
else
echo "$(date -u ) - repositories recent enough, no update needed."
fi
rm $DUMMY > /dev/null
}
choose_package() {
echo "$(date -u ) - choosing package to be build."
update_archlinux_repositories
local REPO
local PKG
for REPO in $ARCHLINUX_REPOS ; do
case $REPO in
core) MIN_AGE=6
;;
extra|multilib) MIN_AGE=27
;;
*) MIN_AGE=99 # should never happen…
;;
esac
for PKG in $(cat ${ARCHLINUX_PKGS}_$REPO) ; do
# build package if it has never build or at least $MIN_AGE days ago
if [ ! -d $BASE/archlinux/$REPO/$PKG ] || [ ! -z $(find $BASE/archlinux/$REPO/ -name $PKG -mtime +$MIN_AGE) ] ; then
REPOSITORY=$REPO
SRCPACKAGE=$PKG
echo "$(date -u ) - building package $PKG from '$REPOSITORY' now..."
# very simple locking…
mkdir -p $BASE/archlinux/$REPOSITORY/$PKG
touch $BASE/archlinux/$REPOSITORY/$PKG
# break out of the loop (and then out of the next loop too...)
break
fi
done
# if we broke out of the previous loop we have choosen a package
if [ ! -z "$SRCPACKAGE" ] ; then
break
fi
done
if [ -z $SRCPACKAGE ] ; then
echo "$(date -u ) - no package found to be build, sleeping 6h."
for i in $(seq 1 12) ; do
sleep 30m
echo "$(date -u ) - still sleeping..."
done
echo "$(date -u ) - exiting cleanly now."
exit 0
fi
}
first_build() {
echo "============================================================================="
echo "Building for Arch Linux on $(hostname -f) now."
echo "Source package: ${SRCPACKAGE}"
echo "Repository: $REPOSITORY"
echo "Date: $(date -u)"
echo "============================================================================="
set -x
local SESSION="archlinux-$SRCPACKAGE-$(basename $TMPDIR)"
local BUILDDIR="/tmp/$SRCPACKAGE-$(basename $TMPDIR)"
local LOG=$TMPDIR/b1/$SRCPACKAGE/build1.log
schroot --begin-session --session-name=$SESSION -c jenkins-reproducible-archlinux
echo "MAKEFLAGS=-j$NUM_CPU" | schroot --run-session -c $SESSION --directory /tmp -u root -- tee -a /etc/makepkg.conf
schroot --run-session -c $SESSION --directory /tmp -- mkdir $BUILDDIR
schroot --run-session -c $SESSION --directory /tmp -- cp -r /var/abs/$REPOSITORY/$SRCPACKAGE $BUILDDIR/
# just set timezone in the 1st build
echo 'export TZ="/usr/share/zoneinfo/Etc/GMT+12"' | schroot --run-session -c $SESSION --directory /tmp -- tee -a /var/lib/jenkins/.bashrc
# nicely run makepkg with a timeout of $TIMEOUT hours
timeout -k $TIMEOUT.1h ${TIMEOUT}h /usr/bin/ionice -c 3 /usr/bin/nice \
schroot --run-session -c $SESSION --directory $BUILDDIR/$SRCPACKAGE -- bash -l -c 'makepkg --syncdeps --noconfirm 2>&1' | tee -a $LOG
PRESULT=${PIPESTATUS[0]}
if [ $PRESULT -eq 124 ] ; then
echo "$(date -u) - makepkg was killed by timeout after ${TIMEOUT}h." | tee -a $LOG
fi
schroot --end-session -c $SESSION
if ! "$DEBUG" ; then set +x ; fi
}
second_build() {
echo "============================================================================="
echo "Re-Building for Arch Linux on $(hostname -f) now."
echo "Source package: ${SRCPACKAGE}"
echo "Repository: $REPOSITORY"
echo "Date: $(date -u)"
echo "============================================================================="
set -x
local SESSION="archlinux-$SRCPACKAGE-$(basename $TMPDIR)"
local BUILDDIR="/tmp/$SRCPACKAGE-$(basename $TMPDIR)"
local LOG=$TMPDIR/b2/$SRCPACKAGE/build2.log
NEW_NUM_CPU=$(echo $NUM_CPU-1|bc)
schroot --begin-session --session-name=$SESSION -c jenkins-reproducible-archlinux
echo "MAKEFLAGS=-j$NEW_NUM_CPU" | schroot --run-session -c $SESSION --directory /tmp -u root -- tee -a /etc/makepkg.conf
schroot --run-session -c $SESSION --directory /tmp -- mkdir $BUILDDIR
schroot --run-session -c $SESSION --directory /tmp -- cp -r /var/abs/$REPOSITORY/$SRCPACKAGE $BUILDDIR/
# add more variations in the 2nd build: TZ, LANG, LC_ALL, umask
schroot --run-session -c $SESSION --directory /tmp -- tee -a /var/lib/jenkins/.bashrc <<-__END__
export TZ="/usr/share/zoneinfo/Etc/GMT-14"
export LANG="fr_CH.UTF-8"
export LC_ALL="fr_CH.UTF-8"
umask 0002
__END__
# nicely run makepkg with a timeout of $TIMEOUT hours
timeout -k $TIMEOUT.1h ${TIMEOUT}h /usr/bin/ionice -c 3 /usr/bin/nice \
schroot --run-session -c $SESSION --directory $BUILDDIR/$SRCPACKAGE -- bash -l -c 'makepkg --syncdeps --noconfirm 2>&1' | tee -a $LOG
PRESULT=${PIPESTATUS[0]}
if [ $PRESULT -eq 124 ] ; then
echo "$(date -u) - makepkg was killed by timeout after ${TIMEOUT}h." | tee -a $LOG
fi
schroot --end-session -c $SESSION
if ! "$DEBUG" ; then set +x ; fi
}
remote_build() {
local BUILDNR=$1
local NODE=$ARCHLINUX_BUILD_NODE
local FQDN=$NODE.debian.net
local PORT=22
set +e
ssh -p $PORT $FQDN /bin/true
RESULT=$?
# abort job if host is down
if [ $RESULT -ne 0 ] ; then
SLEEPTIME=$(echo "$BUILDNR*$BUILDNR*5"|bc)
echo "$(date -u) - $NODE seems to be down, sleeping ${SLEEPTIME}min before aborting this job."
sleep ${SLEEPTIME}m
exec /srv/jenkins/bin/abort.sh
fi
ssh -p $PORT $FQDN /srv/jenkins/bin/reproducible_build_archlinux_pkg.sh $BUILDNR $REPOSITORY ${SRCPACKAGE} ${TMPDIR}
RESULT=$?
if [ $RESULT -ne 0 ] ; then
ssh -p $PORT $FQDN "rm -r $TMPDIR" || true
handle_remote_error "with exit code $RESULT from $NODE for build #$BUILDNR for ${SRCPACKAGE} from $REPOSITORY"
fi
rsync -e "ssh -p $PORT" -r $FQDN:$TMPDIR/b$BUILDNR $TMPDIR/
RESULT=$?
if [ $RESULT -ne 0 ] ; then
echo "$(date -u ) - rsync from $NODE failed, sleeping 2m before re-trying..."
sleep 2m
rsync -e "ssh -p $PORT" -r $FQDN:$TMPDIR/b$BUILDNR $TMPDIR/
RESULT=$?
if [ $RESULT -ne 0 ] ; then
handle_remote_error "when rsyncing remote build #$BUILDNR results from $NODE"
fi
fi
ls -lR $TMPDIR
ssh -p $PORT $FQDN "rm -r $TMPDIR"
set -e
}
#
# below is what controls the world
#
TMPDIR=$(mktemp --tmpdir=/srv/reproducible-results -d) # where everything actually happens
trap cleanup_all INT TERM EXIT
cd $TMPDIR
TIMEOUT=8 # maximum time in hours for a single build
DATE=$(date -u +'%Y-%m-%d %H:%M')
START=$(date +'%s')
DUMMY=$(mktemp -t archlinux-dummy-XXXXXXXX)
#
# determine mode
#
if [ "$1" = "" ] ; then
MODE="master"
elif [ "$1" = "1" ] || [ "$1" = "2" ] ; then
MODE="$1"
REPOSITORY="$2"
SRCPACKAGE="$3"
TMPDIR="$4"
[ -d $TMPDIR ] || mkdir -p $TMPDIR
cd $TMPDIR
mkdir -p b$MODE/$SRCPACKAGE
if [ "$MODE" = "1" ] ; then
first_build
else
second_build
fi
# preserve results and delete build directory
mv -v /tmp/$SRCPACKAGE-$(basename $TMPDIR)/$SRCPACKAGE/*.pkg.tar.xz $TMPDIR/b$MODE/$SRCPACKAGE/ || ls /tmp/$SRCPACKAGE-$(basename $TMPDIR)/$SRCPACKAGE/
rm -r /tmp/$SRCPACKAGE-$(basename $TMPDIR)/
echo "$(date -u) - build #$MODE for $SRCPACKAGE on $HOSTNAME done."
exit 0
fi
#
# main - only used in master-mode
#
delay_start # randomize start times
# first, we need to choose a package from a repository…
REPOSITORY=""
SRCPACKAGE=""
choose_package
# build package twice
mkdir b1 b2
remote_build 1
# only do the 2nd build if the 1st produced results
if [ ! -z "$(ls $TMPDIR/b1/$SRCPACKAGE/*.pkg.tar.xz 2>/dev/null|| true)" ] ; then
remote_build 2
# run diffoscope on the results
TIMEOUT="30m"
DIFFOSCOPE="$(schroot --directory /tmp -c source:jenkins-reproducible-${DBDSUITE}-diffoscope diffoscope -- --version 2>&1)"
echo "$(date -u) - Running $DIFFOSCOPE now..."
cd $TMPDIR/b1/$SRCPACKAGE
for ARTIFACT in *.pkg.tar.xz ; do
[ -f $ARTIFACT ] || continue
call_diffoscope $SRCPACKAGE $ARTIFACT
# publish page
if [ -f $TMPDIR/$SRCPACKAGE/$ARTIFACT.html ] ; then
cp $TMPDIR/$SRCPACKAGE/$ARTIFACT.html $BASE/archlinux/$REPOSITORY/$SRCPACKAGE/
fi
done
fi
# publish logs
cd $TMPDIR/b1/$SRCPACKAGE
cp build1.log $BASE/archlinux/$REPOSITORY/$SRCPACKAGE/
[ ! -f $TMPDIR/b2/$SRCPACKAGE/build2.log ] || cp $TMPDIR/b2/$SRCPACKAGE/build2.log $BASE/archlinux/$REPOSITORY/$SRCPACKAGE/
echo "$(date -u) - $REPRODUCIBLE_URL/archlinux/$REPOSITORY/$SRCPACKAGE/ updated."
cd
cleanup_all
trap - INT TERM EXIT
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