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#!/bin/bash
# Copyright 2012-2015 Holger Levsen <holger@layer-acht.org>
# Copyright 2013 Antonio Terceiro <terceiro@debian.org>
# Copyright 2014 Joachim Breitner <nomeata@debian.org>
# released under the GPLv=2
DEBUG=false
. /srv/jenkins/bin/common-functions.sh
common_init "$@"
# common code defining db access
. /srv/jenkins/bin/reproducible_common.sh
# bootstraps a new chroot for schroot, and then moves it into the right location
# $1 = schroot name
# $2 = base distro/suite
# $3 $4 ... = extra packages to install
if [ $# -lt 2 ]; then
echo "usage: $0 TARGET SUITE [backports] CMD [ARG1 ARG2 ...]"
exit 1
fi
TARGET="$1"
shift
SUITE="$1"
shift
if [ ! -d "$CHROOT_BASE" ]; then
echo "Directory $CHROOT_BASE does not exist, aborting."
exit 1
fi
export CHROOT_TARGET=$(mktemp -d -p $CHROOT_BASE/ schroot-install-$TARGET-XXXX)
if [ -z "$CHROOT_TARGET" ]; then
echo "Could not create a directory to create the chroot in, aborting."
exit 1
fi
bootstrap() {
mkdir -p "$CHROOT_TARGET/etc/dpkg/dpkg.cfg.d"
echo force-unsafe-io > "$CHROOT_TARGET/etc/dpkg/dpkg.cfg.d/02dpkg-unsafe-io"
echo "Bootstraping $SUITE into $CHROOT_TARGET now."
sudo debootstrap $SUITE $CHROOT_TARGET $MIRROR
echo -e '#!/bin/sh\nexit 101' | sudo tee $CHROOT_TARGET/usr/sbin/policy-rc.d >/dev/null
sudo chmod +x $CHROOT_TARGET/usr/sbin/policy-rc.d
echo "Acquire::http::Proxy \"$http_proxy\";" | sudo tee $CHROOT_TARGET/etc/apt/apt.conf.d/80proxy >/dev/null
echo "deb-src $MIRROR $SUITE main" | sudo tee -a $CHROOT_TARGET/etc/apt/sources.list > /dev/null
sudo chroot $CHROOT_TARGET apt-get update
if [ -n "$1" ] ; then
sudo chroot $CHROOT_TARGET apt-get install -y --no-install-recommends "$@"
fi
}
cleanup() {
if [ -d $CHROOT_TARGET ]; then
sudo rm -rf --one-file-system $CHROOT_TARGET || fuser -mv $CHROOT_TARGET
fi
}
trap cleanup INT TERM EXIT
bootstrap $@
trap - INT TERM EXIT
remove_writelock() {
# remove the lock
rm $DBDCHROOT_WRITELOCK
}
trap remove_writelock INT TERM EXIT
# aquire a write lock in any case
touch $DBDCHROOT_WRITELOCK
if [ -f $DBDCHROOT_READLOCK ] ; then
# patiently wait for our users to using the schroot
for i in $(seq 0 100) ; do
sleep 15
echo "sleeping 15s, debbindiff schroot is locked and used."
if [ ! -f $DBDCHROOT_READLOCK ] ; then
break
fi
done
if [ -f $DBDCHROOT_READLOCK ] ; then
echo "Warning: lock $DBDCHROOT_READLOCK still exists, exiting."
exit 1
fi
fi
# pivot the new schroot in place
rand=$RANDOM
if [ -d $SCHROOT_BASE/"$TARGET" ]
then
sudo mv $SCHROOT_BASE/"$TARGET" $SCHROOT_BASE/"$TARGET"-"$rand"
fi
sudo mv $CHROOT_TARGET $SCHROOT_BASE/"$TARGET"
if [ -d $SCHROOT_BASE/"$TARGET"-"$rand" ]
then
sudo rm -rf --one-file-system $SCHROOT_BASE/"$TARGET"-"$rand" || ( echo "Warning: $SCHROOT_BASE/${TARGET}-$rand could not be fully removed." ; ls $SCHROOT_BASE/${TARGET}-$rand -la )
fi
# write the schroot config
echo "Writing configuration"
sudo tee /etc/schroot/chroot.d/jenkins-"$TARGET" <<-__END__
[jenkins-$TARGET]
description=Jenkins schroot $TARGET
directory=$SCHROOT_BASE/$TARGET
type=directory
root-users=jenkins
source-root-users=jenkins
union-type=aufs
__END__
trap - INT TERM EXIT
remove_writelock
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