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#!/bin/bash
# Copyright 2015 Holger Levsen <holger@layer-acht.org>
# released under the GPLv=2
#
# downloads an arch bootstrap chroot archive, then turns it into an schroot,
# then configures pacman and abs
#
DEBUG=true
. /srv/jenkins/bin/common-functions.sh
common_init "$@"
# define archlinux mirror to be used
ARCH_MIRROR=http://mirror.one.com/archlinux/
bootstrap() {
# define URL for bootstrap.tgz
BOOTSTRAP_BASE=$ARCH_MIRROR/iso/
echo "$(date -u) - downloading Archlinux latest/sha1sums.txt"
BOOTSTRAP_DATE=$(curl $BOOTSTRAP_BASE/latest/sha1sums.txt 2>/dev/null| grep x86_64.tar.gz| cut -d " " -f3|cut -d "-" -f3|egrep '[0-9.]{9}')
if [ -z $BOOTSTRAP_DATE ] ; then
echo "Cannot determine version of boostrap file, aborting."
curl $BOOTSTRAP_BASE/latest/sha1sums.txt | grep x86_64.tar.gz
exit 1
fi
BOOTSTRAP_TAR_GZ=$BOOTSTRAP_DATE/archlinux-bootstrap-$BOOTSTRAP_DATE-x86_64.tar.gz
echo "$(date -u) - downloading Archlinux bootstrap.tar.gz."
curl -O $BOOTSTRAP_BASE/$BOOTSTRAP_TAR_GZ
tar xzf archlinux-bootstrap-$BOOTSTRAP_DATE-x86_64.tar.gz
mv root.x86_64/* $SCHROOT_TARGET || true # proc and sys have 0555 perms, thus mv will fail... also see below
rm archlinux-bootstrap-$BOOTSTRAP_DATE-x86_64.tar.gz root.x86_64 -rf
# write the schroot config
echo "$(date -u ) - writing schroot configuration for $TARGET."
sudo tee /etc/schroot/chroot.d/jenkins-"$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__
# finally, put it in place
mv $SCHROOT_TARGET $SCHROOT_BASE/$TARGET
mkdir $SCHROOT_BASE/$TARGET/proc $SCHROOT_BASE/$TARGET/sys
chmod 555 $SCHROOT_BASE/$TARGET/proc $SCHROOT_BASE/$TARGET/sys
# mktemp creates directories with 700 perms
chmod 755 $SCHROOT_BASE/$TARGET
}
cleanup() {
if [ -d $SCHROOT_TARGET ]; then
rm -rf --one-file-system $SCHROOT_TARGET || ( echo "Warning: $SCHROOT_TARGET could not be fully removed on forced cleanup." ; ls $SCHROOT_TARGET -la )
fi
rm -f $TMPLOG
}
SCHROOT_TARGET=$(mktemp -d -p $SCHROOT_BASE/ schroot-install-$TARGET-XXXX)
trap cleanup INT TERM EXIT
TARGET=reproducible-arch
bootstrap
trap - INT TERM EXIT
ROOTCMD="schroot --directory /tmp -c source:jenkins-reproducible-arch -u root --"
USERCMD="schroot --directory /tmp -c source:jenkins-reproducible-arch -u jenkins --"
# configure proxy everywhere
tee $SCHROOT_BASE/$TARGET/etc/profile.d/proxy.sh <<-__END__
export http_proxy=$http_proxy
export https_proxy=$http_proxy
export ftp_proxy=$http_proxy
export rsync_proxy=$http_proxy
export HTTP_PROXY=$http_proxy
export HTTPS_PROXY=$http_proxy
export FTP_PROXY=$http_proxy
export RSYNC_PROXY=$http_proxy
export no_proxy="localhost,127.0.0.1"
__END__
chmod 755 $SCHROOT_BASE/$TARGET/etc/profile.d/proxy.sh
# configure root user to use this for shells and login shells…
echo ". /etc/profile.d/proxy.sh" | tee -a $SCHROOT_BASE/$TARGET/root/.bashrc
# configure pacman
$ROOTCMD pacman-key --init
$ROOTCMD pacman-key --populate archlinux
echo "Server = $ARCH_MIRROR/\$repo/os/\$arch" | tee -a $SCHROOT_BASE/$TARGET/etc/pacman.d/mirrorlist
$ROOTCMD pacman -Syu --noconfirm
$ROOTCMD pacman -S --noconfirm base-devel devtools abs
# configure abs
$ROOTCMD abs core extra
# configure sudo
echo 'jenkins ALL= NOPASSWD: /usr/sbin/pacman *' | $ROOTCMD tee -a /etc/sudoers
# configure jenkins user
$ROOTCMD mkdir /var/lib/jenkins
$ROOTCMD chown -R jenkins:jenkins /var/lib/jenkins
echo ". /etc/profile.d/proxy.sh" | tee -a $SCHROOT_BASE/$TARGET/var/lib/jenkins/.bashrc
$USERCMD gpg --check-trustdb # first run will create ~/.gnupg/gpg.conf
$USERCMD gpg --recv-keys 0x091AB856069AAA1C
echo "schroot $TARGET set up successfully in $SCHROOT_BASE/$TARGET - exiting now."
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