vagrant-lxc-ng/boxes/debian/download

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#!/bin/bash
# -*- mode:shell-mode;tab-width:2;indent-tabs-mode:nil;coding:utf-8 -*-
# vim: ft=shell syn=shell fileencoding=utf-8 sw=2 ts=2 ai eol et si
#
# This is the code extracted from /usr/share/lxc/templates/lxc-debian
# that comes with Ubuntu 12.10 which is responsible for downloading the
# rootfs files / packages
set -e
suggest_flush()
{
echo <<EOF
Container upgrade failed. The container cache may be out of date,
in which case flushing the case (see -F in the hep output) may help.
EOF
}
cleanup()
{
rm -rf $cache/partial
rm -rf $cache/rootfs
}
write_sourceslist()
{
rootfs=$1
arch=$2
release=$3
MIRROR=${MIRROR:-http://ftp.debian.org/debian}
SECURITY_MIRROR=${SECURITY_MIRROR:-http://security.debian.org/debian-security}
if [ 'sid' == "${release}" ]; then
cat <<EOF > ${rootfs}/etc/apt/sources.list
# ${release}
#------------------------------------------------------------------------------
deb ${MIRROR} ${release} main contrib non-free
EOF
else
cat <<EOF > ${rootfs}/etc/apt/sources.list
# ${release}
#------------------------------------------------------------------------------
deb ${MIRROR} ${release} main contrib non-free
# ${release} security
#------------------------------------------------------------------------------
deb ${SECURITY_MIRROR} ${release}/updates main contrib non-free
# ${release} updates
#------------------------------------------------------------------------------
deb ${MIRROR} ${release}-updates main contrib non-free
# ${release} proposed updates
#------------------------------------------------------------------------------
deb ${MIRROR} ${release}-proposed-updates main contrib non-free
EOF
fi
}
download_debian()
{
cache=$1
arch=$2
release=$3
packages=\
sudo,\
ifupdown,\
locales,\
localepurge,\
libui-dialog-perl,\
dialog,\
isc-dhcp-client,\
netbase,\
net-tools,\
iproute,\
openssh-server,\
vim,\
jed,\
jed-extra,\
ssh,\
curl,\
wget,\
bash-completion,\
manpages,\
man-db,\
psmisc,\
bind9-host,\
telnet,\
mtr-tiny,\
iputils-ping,\
ca-certificates
if [ ! -z "${ADDITIONAL_PACKAGES}" ]; then
packages=${ADDITIONAL_PACKAGES},${packages}
fi
echo "installing packages: ${packages}"
trap cleanup EXIT SIGHUP SIGINT SIGTERM
# check the mini debian was not already downloaded
partial=${cache}/partial-${release}-${arch}
mkdir -p ${partial}
if [ $? -ne 0 ]; then
echo "Failed to create '${partial}' directory"
return 1
fi
# download a mini debian into a cache
echo "Downloading debian ${release} minimal ..."
debootstrap \
--variant=minbase \
--verbose \
--components=main,contrib,non-free \
--arch=${arch} \
--include=${packages} ${release} ${partial} ${MIRROR}
if [ $? -ne 0 ]; then
echo 'Failed to download the rootfs, aborting.'
return 1
fi
echo 'Installing updates'
write_sourceslist ${partial} ${arch} ${release}
chroot ${partial} apt-get update
if [ $? -ne 0 ]; then
echo 'Failed to update the apt cache'
return 1
fi
lxc-unshare -s MOUNT -- chroot ${partial} \
apt-get dist-upgrade -y || { suggest_flush; false; }
chroot ${partial} apt-get clean
mv ${partial} ${cache}/rootfs
trap EXIT
trap SIGINT
trap SIGTERM
trap SIGHUP
echo 'Download complete'
return 0
}
declare cache=`readlink -f .` \
arch=$1 \
release=$2
if [ -d ${cache}/rootfs-${release}-${arch} ]; then
echo <<EOF
The rootfs cache has been built already, please remove it if you want to update
EOF
exit 1
fi
download_debian ${cache} ${arch} ${release}