|
|
|
|
@ -0,0 +1,816 @@
|
|
|
|
|
#!/bin/bash
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# template script for generating ubuntu container for LXC
|
|
|
|
|
#
|
|
|
|
|
# This script consolidates and extends the existing lxc ubuntu scripts
|
|
|
|
|
#
|
|
|
|
|
|
|
|
|
|
# This is a modified version of the base ubuntu template that will allow
|
|
|
|
|
# for the installation of packages that the Rackspace private cloud uses
|
|
|
|
|
# within LXC containers.
|
|
|
|
|
|
|
|
|
|
# Copyright © 2014 Kevin Carter <kevin.carter@rackspace.com>
|
|
|
|
|
# Copyright © 2011 Serge Hallyn <serge.hallyn@canonical.com>
|
|
|
|
|
# Copyright © 2010 Wilhelm Meier
|
|
|
|
|
# Author: Wilhelm Meier <wilhelm.meier@fh-kl.de>
|
|
|
|
|
#
|
|
|
|
|
# This library is free software; you can redistribute it and/or
|
|
|
|
|
# modify it under the terms of the GNU Lesser General Public
|
|
|
|
|
# License as published by the Free Software Foundation; either
|
|
|
|
|
# version 2.1 of the License, or (at your option) any later version.
|
|
|
|
|
|
|
|
|
|
# This library is distributed in the hope that it will be useful,
|
|
|
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
|
|
|
# Lesser General Public License for more details.
|
|
|
|
|
|
|
|
|
|
# You should have received a copy of the GNU Lesser General Public
|
|
|
|
|
# License along with this library; if not, write to the Free Software
|
|
|
|
|
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
|
|
|
|
|
|
# Detect use under userns (unsupported)
|
|
|
|
|
for arg in "$@"; do
|
|
|
|
|
[ "$arg" = "--" ] && break
|
|
|
|
|
if [ "$arg" = "--mapped-uid" -o "$arg" = "--mapped-gid" ]; then
|
|
|
|
|
echo "This template can't be used for unprivileged containers." 1>&2
|
|
|
|
|
echo "You may want to try the \"download\" template instead." 1>&2
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
# Make sure the usual locations are in PATH
|
|
|
|
|
export PATH=$PATH:/usr/sbin:/usr/bin:/sbin:/bin
|
|
|
|
|
|
|
|
|
|
set -e
|
|
|
|
|
|
|
|
|
|
LOCALSTATEDIR="/var"
|
|
|
|
|
LXC_TEMPLATE_CONFIG="/usr/share/lxc/config"
|
|
|
|
|
|
|
|
|
|
if [ -r /etc/default/lxc ]; then
|
|
|
|
|
. /etc/default/lxc
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
configure_ubuntu()
|
|
|
|
|
{
|
|
|
|
|
rootfs=$1
|
|
|
|
|
hostname=$2
|
|
|
|
|
release=$3
|
|
|
|
|
user=$4
|
|
|
|
|
password=$5
|
|
|
|
|
|
|
|
|
|
# configure the network using the dhcp
|
|
|
|
|
cat <<EOF > $rootfs/etc/network/interfaces
|
|
|
|
|
# This file describes the network interfaces available on your system
|
|
|
|
|
# and how to activate them. For more information, see interfaces(5).
|
|
|
|
|
|
|
|
|
|
# The loopback network interface
|
|
|
|
|
auto lo
|
|
|
|
|
iface lo inet loopback
|
|
|
|
|
|
|
|
|
|
auto eth0
|
|
|
|
|
iface eth0 inet dhcp
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
# set the hostname
|
|
|
|
|
cat <<EOF > $rootfs/etc/hostname
|
|
|
|
|
$hostname
|
|
|
|
|
EOF
|
|
|
|
|
# set minimal hosts
|
|
|
|
|
cat <<EOF > $rootfs/etc/hosts
|
|
|
|
|
127.0.0.1 localhost
|
|
|
|
|
127.0.1.1 $hostname
|
|
|
|
|
|
|
|
|
|
# The following lines are desirable for IPv6 capable hosts
|
|
|
|
|
::1 ip6-localhost ip6-loopback
|
|
|
|
|
fe00::0 ip6-localnet
|
|
|
|
|
ff00::0 ip6-mcastprefix
|
|
|
|
|
ff02::1 ip6-allnodes
|
|
|
|
|
ff02::2 ip6-allrouters
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
if [ ! -f $rootfs/etc/init/container-detect.conf ]; then
|
|
|
|
|
# suppress log level output for udev
|
|
|
|
|
sed -i "s/=\"err\"/=0/" $rootfs/etc/udev/udev.conf
|
|
|
|
|
|
|
|
|
|
# remove jobs for consoles 5 and 6 since we only create 4 consoles in
|
|
|
|
|
# this template
|
|
|
|
|
rm -f $rootfs/etc/init/tty{5,6}.conf
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ -z "$bindhome" ]; then
|
|
|
|
|
chroot $rootfs useradd --create-home -s /bin/bash $user
|
|
|
|
|
echo "$user:$password" | chroot $rootfs chpasswd
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# make sure we have the current locale defined in the container
|
|
|
|
|
if [ -z "$LANG" ] || echo $LANG | grep -E -q "^C(\..+)*$"; then
|
|
|
|
|
chroot $rootfs locale-gen en_US.UTF-8 || true
|
|
|
|
|
chroot $rootfs update-locale LANG=en_US.UTF-8 || true
|
|
|
|
|
else
|
|
|
|
|
chroot $rootfs locale-gen $LANG || true
|
|
|
|
|
chroot $rootfs update-locale LANG=$LANG || true
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# generate new SSH keys
|
|
|
|
|
if [ -x $rootfs/var/lib/dpkg/info/openssh-server.postinst ]; then
|
|
|
|
|
cat > $rootfs/usr/sbin/policy-rc.d << EOF
|
|
|
|
|
#!/bin/sh
|
|
|
|
|
exit 101
|
|
|
|
|
EOF
|
|
|
|
|
chmod +x $rootfs/usr/sbin/policy-rc.d
|
|
|
|
|
|
|
|
|
|
rm -f $rootfs/etc/ssh/ssh_host_*key*
|
|
|
|
|
mv $rootfs/etc/init/ssh.conf $rootfs/etc/init/ssh.conf.disabled
|
|
|
|
|
DPKG_MAINTSCRIPT_PACKAGE=openssh DPKG_MAINTSCRIPT_NAME=postinst chroot $rootfs /var/lib/dpkg/info/openssh-server.postinst configure
|
|
|
|
|
mv $rootfs/etc/init/ssh.conf.disabled $rootfs/etc/init/ssh.conf
|
|
|
|
|
|
|
|
|
|
sed -i "s/root@$(hostname)/root@$hostname/g" $rootfs/etc/ssh/ssh_host_*.pub
|
|
|
|
|
|
|
|
|
|
rm -f $rootfs/usr/sbin/policy-rc.d
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# finish setting up the user in the container by injecting ssh key and
|
|
|
|
|
# adding sudo group membership.
|
|
|
|
|
# passed-in user is either 'ubuntu' or the user to bind in from host.
|
|
|
|
|
finalize_user()
|
|
|
|
|
{
|
|
|
|
|
user=$1
|
|
|
|
|
|
|
|
|
|
sudo_version=$(chroot $rootfs dpkg-query -W -f='${Version}' sudo)
|
|
|
|
|
|
|
|
|
|
if chroot $rootfs dpkg --compare-versions $sudo_version gt "1.8.3p1-1"; then
|
|
|
|
|
groups="sudo"
|
|
|
|
|
else
|
|
|
|
|
groups="sudo admin"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
for group in $groups; do
|
|
|
|
|
chroot $rootfs groupadd --system $group >/dev/null 2>&1 || true
|
|
|
|
|
chroot $rootfs adduser ${user} $group >/dev/null 2>&1 || true
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
if [ -n "$auth_key" -a -f "$auth_key" ]; then
|
|
|
|
|
u_path="/home/${user}/.ssh"
|
|
|
|
|
root_u_path="$rootfs/$u_path"
|
|
|
|
|
mkdir -p $root_u_path
|
|
|
|
|
cp $auth_key "$root_u_path/authorized_keys"
|
|
|
|
|
chroot $rootfs chown -R ${user}: "$u_path"
|
|
|
|
|
|
|
|
|
|
echo "Inserted SSH public key from $auth_key into /home/${user}/.ssh/authorized_keys"
|
|
|
|
|
fi
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
# A function to try and autodetect squid-deb-proxy servers on the local network
|
|
|
|
|
# if either the squid-deb-proxy-client package is installed on the host or
|
|
|
|
|
# a parent container set the 50squid-deb-proxy-client file.
|
|
|
|
|
squid_deb_proxy_autodetect()
|
|
|
|
|
{
|
|
|
|
|
local apt_discover=/usr/share/squid-deb-proxy-client/apt-avahi-discover
|
|
|
|
|
local proxy_file=/etc/apt/apt.conf.d/50squid-deb-proxy-client
|
|
|
|
|
squid_proxy_line= # That's a global :/
|
|
|
|
|
|
|
|
|
|
# Maybe the host is aware of a squid-deb-proxy?
|
|
|
|
|
if [ -f $apt_discover ]; then
|
|
|
|
|
echo -n "Discovering squid-deb-proxy..."
|
|
|
|
|
squid_proxy_line=$($apt_discover)
|
|
|
|
|
if [ -n "$squid_proxy_line" ]; then
|
|
|
|
|
echo "found squid-deb-proxy: $squid_proxy_line"
|
|
|
|
|
else
|
|
|
|
|
echo "no squid-deb-proxy found"
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Are we in a nested container, and the parent already knows of a proxy?
|
|
|
|
|
if [ -f $proxy_file ]; then
|
|
|
|
|
# Extract the squid URL from the file (whatever is between "")
|
|
|
|
|
squid_proxy_line=`cat $proxy_file | sed "s/.*\"\(.*\)\".*/\1/"`
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#
|
|
|
|
|
# Choose proxies for container
|
|
|
|
|
# http_proxy will be used by debootstrap on the host.
|
|
|
|
|
# APT_PROXY will be used to set /etc/apt/apt.conf.d/70proxy in the container.
|
|
|
|
|
#
|
|
|
|
|
choose_container_proxy()
|
|
|
|
|
{
|
|
|
|
|
local rootfs=$1
|
|
|
|
|
local arch=$2
|
|
|
|
|
|
|
|
|
|
if [ -z "$HTTP_PROXY" ]; then
|
|
|
|
|
HTTP_PROXY="none"
|
|
|
|
|
fi
|
|
|
|
|
case "$HTTP_PROXY" in
|
|
|
|
|
none)
|
|
|
|
|
squid_deb_proxy_autodetect
|
|
|
|
|
if [ -n "$squid_proxy_line" ]; then
|
|
|
|
|
APT_PROXY=$squid_proxy_line
|
|
|
|
|
export http_proxy=$squid_proxy_line
|
|
|
|
|
else
|
|
|
|
|
APT_PROXY=
|
|
|
|
|
fi
|
|
|
|
|
;;
|
|
|
|
|
apt)
|
|
|
|
|
RES=`apt-config shell APT_PROXY Acquire::http::Proxy`
|
|
|
|
|
eval $RES
|
|
|
|
|
[ -z "$APT_PROXY" ] || export http_proxy=$APT_PROXY
|
|
|
|
|
;;
|
|
|
|
|
*)
|
|
|
|
|
APT_PROXY=$HTTP_PROXY
|
|
|
|
|
export http_proxy=$HTTP_PROXY
|
|
|
|
|
;;
|
|
|
|
|
esac
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
write_sourceslist()
|
|
|
|
|
{
|
|
|
|
|
# $1 => path to the rootfs
|
|
|
|
|
# $2 => architecture we want to add
|
|
|
|
|
# $3 => whether to use the multi-arch syntax or not
|
|
|
|
|
|
|
|
|
|
if [ -n "$APT_PROXY" ]; then
|
|
|
|
|
mkdir -p $rootfs/etc/apt/apt.conf.d
|
|
|
|
|
cat > $rootfs/etc/apt/apt.conf.d/70proxy << EOF
|
|
|
|
|
Acquire::http::Proxy "$APT_PROXY" ;
|
|
|
|
|
EOF
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
case $2 in
|
|
|
|
|
amd64|i386)
|
|
|
|
|
MIRROR=${MIRROR:-http://archive.ubuntu.com/ubuntu}
|
|
|
|
|
SECURITY_MIRROR=${SECURITY_MIRROR:-http://security.ubuntu.com/ubuntu}
|
|
|
|
|
;;
|
|
|
|
|
*)
|
|
|
|
|
MIRROR=${MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
|
|
|
|
|
SECURITY_MIRROR=${SECURITY_MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
|
|
|
|
|
;;
|
|
|
|
|
esac
|
|
|
|
|
if [ -n "$3" ]; then
|
|
|
|
|
cat >> "$1/etc/apt/sources.list" << EOF
|
|
|
|
|
deb [arch=$2] $MIRROR ${release} main restricted universe multiverse
|
|
|
|
|
deb [arch=$2] $MIRROR ${release}-updates main restricted universe multiverse
|
|
|
|
|
deb [arch=$2] $SECURITY_MIRROR ${release}-security main restricted universe multiverse
|
|
|
|
|
EOF
|
|
|
|
|
else
|
|
|
|
|
cat >> "$1/etc/apt/sources.list" << EOF
|
|
|
|
|
deb $MIRROR ${release} main restricted universe multiverse
|
|
|
|
|
deb $MIRROR ${release}-updates main restricted universe multiverse
|
|
|
|
|
deb $SECURITY_MIRROR ${release}-security main restricted universe multiverse
|
|
|
|
|
EOF
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
install_packages()
|
|
|
|
|
{
|
|
|
|
|
local rootfs="$1"
|
|
|
|
|
shift
|
|
|
|
|
local packages="$*"
|
|
|
|
|
if [ -z $update ]
|
|
|
|
|
then
|
|
|
|
|
chroot $rootfs apt-get update
|
|
|
|
|
update=true
|
|
|
|
|
fi
|
|
|
|
|
if [ -n "${packages}" ]
|
|
|
|
|
then
|
|
|
|
|
chroot $rootfs apt-get install --force-yes -y --no-install-recommends ${packages}
|
|
|
|
|
fi
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
cleanup()
|
|
|
|
|
{
|
|
|
|
|
rm -rf $cache/partial-$arch
|
|
|
|
|
rm -rf $cache/rootfs-$arch
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
suggest_flush()
|
|
|
|
|
{
|
|
|
|
|
echo "Container upgrade failed. The container cache may be out of date,"
|
|
|
|
|
echo "in which case flushing the cache (see -F in the help output) may help."
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
download_ubuntu()
|
|
|
|
|
{
|
|
|
|
|
cache=$1
|
|
|
|
|
arch=$2
|
|
|
|
|
release=$(echo $3 | awk -F'-' '{print $1}')
|
|
|
|
|
|
|
|
|
|
packages_template=${packages_template:-"ssh,vim,"}
|
|
|
|
|
packages_template+="libxslt1-dev,libxml2-dev,libffi-dev,sshpass,iptables,sqlite3,python-software-properties,"
|
|
|
|
|
packages_template+="bridge-utils,libssl-dev,lvm2,rsyslog,git-core,build-essential,python-dev,libpq-dev,"
|
|
|
|
|
packages_template+="curl,wget,time,rsync,cgroup-lite,cgmanager-utils,libcgmanager-dev,debconf-utils,"
|
|
|
|
|
packages_template+="software-properties-common,libxslt1.1,openssl,debhelper,dh-apparmor,"
|
|
|
|
|
|
|
|
|
|
# Try to guess a list of langpacks to install
|
|
|
|
|
langpacks="language-pack-en"
|
|
|
|
|
|
|
|
|
|
if which dpkg >/dev/null 2>&1; then
|
|
|
|
|
langpacks=`(echo $langpacks &&
|
|
|
|
|
dpkg -l | grep -E "^ii language-pack-[a-z]* " |
|
|
|
|
|
cut -d ' ' -f3) | sort -u`
|
|
|
|
|
fi
|
|
|
|
|
packages_template="${packages_template},$(echo $langpacks | sed 's/ /,/g')"
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
echo "Installing packages in template: ${packages_template}"
|
|
|
|
|
|
|
|
|
|
trap cleanup EXIT SIGHUP SIGINT SIGTERM
|
|
|
|
|
# check the mini ubuntu was not already downloaded
|
|
|
|
|
mkdir -p "$cache/partial-$arch"
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to create '$cache/partial-$arch' directory"
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
choose_container_proxy $cache/partial-$arch/ $arch
|
|
|
|
|
# download a mini ubuntu into a cache
|
|
|
|
|
echo "Downloading ubuntu $release minimal ..."
|
|
|
|
|
if [ -n "$(which qemu-debootstrap)" ]; then
|
|
|
|
|
qemu-debootstrap --verbose --components=main,universe --arch=$arch --include=${packages_template} $release $cache/partial-$arch $MIRROR
|
|
|
|
|
else
|
|
|
|
|
debootstrap --verbose --components=main,universe --arch=$arch --include=${packages_template} $release $cache/partial-$arch $MIRROR
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to download the rootfs, aborting."
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Serge isn't sure whether we should avoid doing this when
|
|
|
|
|
# $release == `distro-info -d`
|
|
|
|
|
echo "Installing updates"
|
|
|
|
|
> $cache/partial-$arch/etc/apt/sources.list
|
|
|
|
|
write_sourceslist $cache/partial-$arch/ $arch
|
|
|
|
|
|
|
|
|
|
chroot "$1/partial-${arch}" apt-get update
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to update the apt cache"
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
cat > "$1/partial-${arch}"/usr/sbin/policy-rc.d << EOF
|
|
|
|
|
#!/bin/sh
|
|
|
|
|
exit 101
|
|
|
|
|
EOF
|
|
|
|
|
chmod +x "$1/partial-${arch}"/usr/sbin/policy-rc.d
|
|
|
|
|
|
|
|
|
|
lxc-unshare -s MOUNT -- chroot "$1/partial-${arch}" apt-get dist-upgrade -y || { suggest_flush; false; }
|
|
|
|
|
rm -f "$1/partial-${arch}"/usr/sbin/policy-rc.d
|
|
|
|
|
|
|
|
|
|
chroot "$1/partial-${arch}" apt-get clean
|
|
|
|
|
|
|
|
|
|
mv "$1/partial-$arch" "$1/rootfs-$arch"
|
|
|
|
|
trap EXIT
|
|
|
|
|
trap SIGINT
|
|
|
|
|
trap SIGTERM
|
|
|
|
|
trap SIGHUP
|
|
|
|
|
echo "Download complete"
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
copy_ubuntu()
|
|
|
|
|
{
|
|
|
|
|
cache=$1
|
|
|
|
|
arch=$2
|
|
|
|
|
rootfs=$3
|
|
|
|
|
|
|
|
|
|
# make a local copy of the miniubuntu
|
|
|
|
|
echo "Copying rootfs to $rootfs ..."
|
|
|
|
|
mkdir -p $rootfs
|
|
|
|
|
rsync -Ha $cache/rootfs-$arch/ $rootfs/ || return 1
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
install_ubuntu()
|
|
|
|
|
{
|
|
|
|
|
rootfs=$1
|
|
|
|
|
release=$2
|
|
|
|
|
flushcache=$3
|
|
|
|
|
cache="$LOCALSTATEDIR/cache/lxc/$release"
|
|
|
|
|
mkdir -p $LOCALSTATEDIR/lock/subsys/
|
|
|
|
|
|
|
|
|
|
(
|
|
|
|
|
flock -x 9
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Cache repository is busy."
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if [ $flushcache -eq 1 ]; then
|
|
|
|
|
echo "Flushing cache..."
|
|
|
|
|
rm -rf "$cache/partial-$arch"
|
|
|
|
|
rm -rf "$cache/rootfs-$arch"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo "Checking cache download in $cache/rootfs-$arch ... "
|
|
|
|
|
if [ ! -e "$cache/rootfs-$arch" ]; then
|
|
|
|
|
download_ubuntu $cache $arch $release
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to download 'ubuntu $release base'"
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo "Copy $cache/rootfs-$arch to $rootfs ... "
|
|
|
|
|
copy_ubuntu $cache $arch $rootfs
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to copy rootfs"
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
return 0
|
|
|
|
|
|
|
|
|
|
) 9>$LOCALSTATEDIR/lock/subsys/lxc-ubuntu$release
|
|
|
|
|
|
|
|
|
|
return $?
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
copy_configuration()
|
|
|
|
|
{
|
|
|
|
|
path=$1
|
|
|
|
|
rootfs=$2
|
|
|
|
|
name=$3
|
|
|
|
|
arch=$4
|
|
|
|
|
release=$5
|
|
|
|
|
|
|
|
|
|
if [ $arch = "i386" ]; then
|
|
|
|
|
arch="i686"
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# if there is exactly one veth network entry, make sure it has an
|
|
|
|
|
# associated hwaddr.
|
|
|
|
|
nics=`grep -e '^lxc\.network\.type[ \t]*=[ \t]*veth' $path/config | wc -l`
|
|
|
|
|
if [ $nics -eq 1 ]; then
|
|
|
|
|
grep -q "^lxc.network.hwaddr" $path/config || sed -i -e "/^lxc\.network\.type[ \t]*=[ \t]*veth/a lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" $path/config
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Generate the configuration file
|
|
|
|
|
## Create the fstab (empty by default)
|
|
|
|
|
touch $path/fstab
|
|
|
|
|
|
|
|
|
|
## Relocate all the network config entries
|
|
|
|
|
sed -i -e "/lxc.network/{w ${path}/config-network" -e "d}" $path/config
|
|
|
|
|
|
|
|
|
|
## Relocate any other config entries
|
|
|
|
|
sed -i -e "/lxc./{w ${path}/config-auto" -e "d}" $path/config
|
|
|
|
|
|
|
|
|
|
## Add all the includes
|
|
|
|
|
echo "" >> $path/config
|
|
|
|
|
echo "# Common configuration" >> $path/config
|
|
|
|
|
if [ -e "${LXC_TEMPLATE_CONFIG}/ubuntu.common.conf" ]; then
|
|
|
|
|
echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/ubuntu.common.conf" >> $path/config
|
|
|
|
|
fi
|
|
|
|
|
if [ -e "${LXC_TEMPLATE_CONFIG}/ubuntu.${release}.conf" ]; then
|
|
|
|
|
echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/ubuntu.${release}.conf" >> $path/config
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
## Add the container-specific config
|
|
|
|
|
echo "" >> $path/config
|
|
|
|
|
echo "# Container specific configuration" >> $path/config
|
|
|
|
|
[ -e "$path/config-auto" ] && cat $path/config-auto >> $path/config && rm $path/config-auto
|
|
|
|
|
grep -q "^lxc.rootfs" $path/config 2>/dev/null || echo "lxc.rootfs = $rootfs" >> $path/config
|
|
|
|
|
cat <<EOF >> $path/config
|
|
|
|
|
lxc.mount = $path/fstab
|
|
|
|
|
lxc.utsname = $name
|
|
|
|
|
lxc.arch = $arch
|
|
|
|
|
EOF
|
|
|
|
|
|
|
|
|
|
## Re-add the previously removed network config
|
|
|
|
|
echo "" >> $path/config
|
|
|
|
|
echo "# Network configuration" >> $path/config
|
|
|
|
|
cat $path/config-network >> $path/config
|
|
|
|
|
rm $path/config-network
|
|
|
|
|
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Failed to add configuration"
|
|
|
|
|
return 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
post_process()
|
|
|
|
|
{
|
|
|
|
|
rootfs=$1
|
|
|
|
|
release=$2
|
|
|
|
|
packages=$3
|
|
|
|
|
|
|
|
|
|
# Disable service startup
|
|
|
|
|
cat > $rootfs/usr/sbin/policy-rc.d << EOF
|
|
|
|
|
#!/bin/sh
|
|
|
|
|
exit 101
|
|
|
|
|
EOF
|
|
|
|
|
chmod +x $rootfs/usr/sbin/policy-rc.d
|
|
|
|
|
|
|
|
|
|
if [ ! -f $rootfs/etc/init/container-detect.conf ]; then
|
|
|
|
|
# Make sure we have a working resolv.conf
|
|
|
|
|
cresolvonf="${rootfs}/etc/resolv.conf"
|
|
|
|
|
mv $cresolvonf ${cresolvonf}.lxcbak
|
|
|
|
|
cat /etc/resolv.conf > ${cresolvonf}
|
|
|
|
|
|
|
|
|
|
# for lucid, if not trimming, then add the ubuntu-virt
|
|
|
|
|
# ppa and install lxcguest
|
|
|
|
|
if [ $release = "lucid" ]; then
|
|
|
|
|
chroot $rootfs apt-get update
|
|
|
|
|
install_packages $rootfs "python-software-properties"
|
|
|
|
|
chroot $rootfs add-apt-repository ppa:ubuntu-virt/ppa
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
chroot $rootfs apt-get update
|
|
|
|
|
chroot $rootfs apt-get install --force-yes -y lxcguest
|
|
|
|
|
|
|
|
|
|
# Restore old resolv.conf
|
|
|
|
|
rm -f ${cresolvonf}
|
|
|
|
|
mv ${cresolvonf}.lxcbak ${cresolvonf}
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# If the container isn't running a native architecture, setup multiarch
|
|
|
|
|
if [ -x "$(ls -1 ${rootfs}/usr/bin/qemu-*-static 2>/dev/null)" ]; then
|
|
|
|
|
dpkg_version=$(chroot $rootfs dpkg-query -W -f='${Version}' dpkg)
|
|
|
|
|
if chroot $rootfs dpkg --compare-versions $dpkg_version ge "1.16.2"; then
|
|
|
|
|
chroot $rootfs dpkg --add-architecture ${hostarch}
|
|
|
|
|
else
|
|
|
|
|
mkdir -p ${rootfs}/etc/dpkg/dpkg.cfg.d
|
|
|
|
|
echo "foreign-architecture ${hostarch}" > ${rootfs}/etc/dpkg/dpkg.cfg.d/lxc-multiarch
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Save existing value of MIRROR and SECURITY_MIRROR
|
|
|
|
|
DEFAULT_MIRROR=$MIRROR
|
|
|
|
|
DEFAULT_SECURITY_MIRROR=$SECURITY_MIRROR
|
|
|
|
|
|
|
|
|
|
# Write a new sources.list containing both native and multiarch entries
|
|
|
|
|
> ${rootfs}/etc/apt/sources.list
|
|
|
|
|
write_sourceslist $rootfs $arch "native"
|
|
|
|
|
|
|
|
|
|
MIRROR=$DEFAULT_MIRROR
|
|
|
|
|
SECURITY_MIRROR=$DEFAULT_SECURITY_MIRROR
|
|
|
|
|
write_sourceslist $rootfs $hostarch "multiarch"
|
|
|
|
|
|
|
|
|
|
# Finally update the lists and install upstart using the host architecture
|
|
|
|
|
HOST_PACKAGES="upstart:${hostarch} mountall:${hostarch} isc-dhcp-client:${hostarch}"
|
|
|
|
|
chroot $rootfs apt-get update
|
|
|
|
|
if chroot $rootfs dpkg -l iproute2 | grep -q ^ii; then
|
|
|
|
|
HOST_PACKAGES="$HOST_PACKAGES iproute2:${hostarch}"
|
|
|
|
|
else
|
|
|
|
|
HOST_PACKAGES="$HOST_PACKAGES iproute:${hostarch}"
|
|
|
|
|
fi
|
|
|
|
|
install_packages $rootfs $HOST_PACKAGES
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Install Packages in container
|
|
|
|
|
if [ -n "$packages" ]
|
|
|
|
|
then
|
|
|
|
|
local packages="`echo $packages | sed 's/,/ /g'`"
|
|
|
|
|
echo "Installing packages: ${packages}"
|
|
|
|
|
install_packages $rootfs $packages
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Set initial timezone as on host
|
|
|
|
|
if [ -f /etc/timezone ]; then
|
|
|
|
|
cat /etc/timezone > $rootfs/etc/timezone
|
|
|
|
|
chroot $rootfs dpkg-reconfigure -f noninteractive tzdata
|
|
|
|
|
elif [ -f /etc/sysconfig/clock ]; then
|
|
|
|
|
. /etc/sysconfig/clock
|
|
|
|
|
echo $ZONE > $rootfs/etc/timezone
|
|
|
|
|
chroot $rootfs dpkg-reconfigure -f noninteractive tzdata
|
|
|
|
|
else
|
|
|
|
|
echo "Timezone in container is not configured. Adjust it manually."
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# rmdir /dev/shm for containers that have /run/shm
|
|
|
|
|
# I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did
|
|
|
|
|
# get bind mounted to the host's /run/shm. So try to rmdir
|
|
|
|
|
# it, and in case that fails move it out of the way.
|
|
|
|
|
# NOTE: This can only be removed once 12.04 goes out of support
|
|
|
|
|
if [ ! -L $rootfs/dev/shm ] && [ -d $rootfs/run/shm ] && [ -e $rootfs/dev/shm ]; then
|
|
|
|
|
rmdir $rootfs/dev/shm 2>/dev/null || mv $rootfs/dev/shm $rootfs/dev/shm.bak
|
|
|
|
|
ln -s /run/shm $rootfs/dev/shm
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# Re-enable service startup
|
|
|
|
|
rm $rootfs/usr/sbin/policy-rc.d
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
do_bindhome()
|
|
|
|
|
{
|
|
|
|
|
rootfs=$1
|
|
|
|
|
user=$2
|
|
|
|
|
|
|
|
|
|
# copy /etc/passwd, /etc/shadow, and /etc/group entries into container
|
|
|
|
|
pwd=`getent passwd $user` || { echo "Failed to copy password entry for $user"; false; }
|
|
|
|
|
echo $pwd >> $rootfs/etc/passwd
|
|
|
|
|
|
|
|
|
|
# make sure user's shell exists in the container
|
|
|
|
|
shell=`echo $pwd | cut -d: -f 7`
|
|
|
|
|
if [ ! -x $rootfs/$shell ]; then
|
|
|
|
|
echo "shell $shell for user $user was not found in the container."
|
|
|
|
|
pkg=`dpkg -S $(readlink -m $shell) | cut -d ':' -f1`
|
|
|
|
|
echo "Installing $pkg"
|
|
|
|
|
install_packages $rootfs $pkg
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
shad=`getent shadow $user`
|
|
|
|
|
echo "$shad" >> $rootfs/etc/shadow
|
|
|
|
|
|
|
|
|
|
# bind-mount the user's path into the container's /home
|
|
|
|
|
h=`getent passwd $user | cut -d: -f 6`
|
|
|
|
|
mkdir -p $rootfs/$h
|
|
|
|
|
|
|
|
|
|
# use relative path in container
|
|
|
|
|
h2=${h#/}
|
|
|
|
|
while [ ${h2:0:1} = "/" ]; do
|
|
|
|
|
h2=${h2#/}
|
|
|
|
|
done
|
|
|
|
|
echo "$h $h2 none bind 0 0" >> $path/fstab
|
|
|
|
|
|
|
|
|
|
# Make sure the group exists in container
|
|
|
|
|
grp=`echo $pwd | cut -d: -f 4` # group number for $user
|
|
|
|
|
grpe=`getent group $grp` || return 0 # if host doesn't define grp, ignore in container
|
|
|
|
|
chroot $rootfs getent group "$grpe" || echo "$grpe" >> $rootfs/etc/group
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
usage()
|
|
|
|
|
{
|
|
|
|
|
cat <<EOF
|
|
|
|
|
$1 -h|--help [-a|--arch] [-b|--bindhome <user>] [-d|--debug]
|
|
|
|
|
[-F | --flush-cache] [-r|--release <release>] [ -S | --auth-key <keyfile>]
|
|
|
|
|
[--rootfs <rootfs>] [--packages <packages>] [-u|--user <user>] [--password <password>]
|
|
|
|
|
release: the ubuntu release (e.g. precise): defaults to host release on ubuntu, otherwise uses latest LTS
|
|
|
|
|
bindhome: bind <user>'s home into the container
|
|
|
|
|
The ubuntu user will not be created, and <user> will have
|
|
|
|
|
sudo access.
|
|
|
|
|
arch: the container architecture (e.g. amd64): defaults to host arch
|
|
|
|
|
auth-key: SSH Public key file to inject into container
|
|
|
|
|
packages: list of packages to add comma separated
|
|
|
|
|
EOF
|
|
|
|
|
return 0
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
options=$(getopt -o a:b:hp:r:n:FS:du: -l arch:,bindhome:,help,path:,release:,name:,flush-cache,auth-key:,debug,rootfs:,packages:,user:,password:,mirror:,security-mirror: -- "$@")
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
usage $(basename $0)
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
eval set -- "$options"
|
|
|
|
|
|
|
|
|
|
release=precise # Default to the last Ubuntu LTS release for non-Ubuntu systems
|
|
|
|
|
if [ -f /etc/lsb-release ]; then
|
|
|
|
|
. /etc/lsb-release
|
|
|
|
|
if [ "$DISTRIB_ID" = "Ubuntu" ]; then
|
|
|
|
|
release=$DISTRIB_CODENAME
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
bindhome=
|
|
|
|
|
|
|
|
|
|
# Code taken from debootstrap
|
|
|
|
|
if [ -x /usr/bin/dpkg ] && /usr/bin/dpkg --print-architecture >/dev/null 2>&1; then
|
|
|
|
|
arch=`/usr/bin/dpkg --print-architecture`
|
|
|
|
|
elif which udpkg >/dev/null 2>&1 && udpkg --print-architecture >/dev/null 2>&1; then
|
|
|
|
|
arch=`/usr/bin/udpkg --print-architecture`
|
|
|
|
|
else
|
|
|
|
|
arch=$(uname -m)
|
|
|
|
|
if [ "$arch" = "i686" ]; then
|
|
|
|
|
arch="i386"
|
|
|
|
|
elif [ "$arch" = "x86_64" ]; then
|
|
|
|
|
arch="amd64"
|
|
|
|
|
elif [ "$arch" = "armv7l" ]; then
|
|
|
|
|
arch="armhf"
|
|
|
|
|
elif [ "$arch" = "aarch64" ]; then
|
|
|
|
|
arch="arm64"
|
|
|
|
|
elif [ "$arch" = "ppc64le" ]; then
|
|
|
|
|
arch="ppc64el"
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
debug=0
|
|
|
|
|
hostarch=$arch
|
|
|
|
|
flushcache=0
|
|
|
|
|
packages=""
|
|
|
|
|
user="ubuntu"
|
|
|
|
|
password="ubuntu"
|
|
|
|
|
while true
|
|
|
|
|
do
|
|
|
|
|
case "$1" in
|
|
|
|
|
-h|--help) usage $0 && exit 0;;
|
|
|
|
|
--rootfs) rootfs=$2; shift 2;;
|
|
|
|
|
-p|--path) path=$2; shift 2;;
|
|
|
|
|
-n|--name) name=$2; shift 2;;
|
|
|
|
|
-u|--user) user=$2; shift 2;;
|
|
|
|
|
--password) password=$2; shift 2;;
|
|
|
|
|
-F|--flush-cache) flushcache=1; shift 1;;
|
|
|
|
|
-r|--release) release=$2; shift 2;;
|
|
|
|
|
--packages) packages=$2; shift 2;;
|
|
|
|
|
-b|--bindhome) bindhome=$2; shift 2;;
|
|
|
|
|
-a|--arch) arch=$2; shift 2;;
|
|
|
|
|
-S|--auth-key) auth_key=$2; shift 2;;
|
|
|
|
|
-d|--debug) debug=1; shift 1;;
|
|
|
|
|
--mirror) MIRROR=$2; shift 2;;
|
|
|
|
|
--security-mirror) SECURITY_MIRROR=$2; shift 2;;
|
|
|
|
|
--) shift 1; break ;;
|
|
|
|
|
*) break ;;
|
|
|
|
|
esac
|
|
|
|
|
done
|
|
|
|
|
|
|
|
|
|
if [ $debug -eq 1 ]; then
|
|
|
|
|
set -x
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ -n "$bindhome" ]; then
|
|
|
|
|
pwd=`getent passwd $bindhome`
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "Error: no password entry found for $bindhome"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if [ "$arch" = "i686" ]; then
|
|
|
|
|
arch=i386
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ $hostarch = "i386" -a $arch = "amd64" ]; then
|
|
|
|
|
echo "can't create $arch container on $hostarch"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ $hostarch = "armhf" -o $hostarch = "armel" -o $hostarch = "arm64" ] && \
|
|
|
|
|
[ $arch != "armhf" -a $arch != "armel" -a $arch != "arm64" ]; then
|
|
|
|
|
echo "can't create $arch container on $hostarch"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ $arch = "arm64" ] && [ $hostarch != "arm64" ]; then
|
|
|
|
|
echo "can't create $arch container on $hostarch"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ $hostarch = "powerpc" -a $arch != "powerpc" ]; then
|
|
|
|
|
echo "can't create $arch container on $hostarch"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
which debootstrap >/dev/null 2>&1 || { echo "'debootstrap' command is missing" >&2; false; }
|
|
|
|
|
|
|
|
|
|
if [ -z "$path" ]; then
|
|
|
|
|
echo "'path' parameter is required"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
if [ "$(id -u)" != "0" ]; then
|
|
|
|
|
echo "This script should be run as 'root'"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
# detect rootfs
|
|
|
|
|
config="$path/config"
|
|
|
|
|
# if $rootfs exists here, it was passed in with --rootfs
|
|
|
|
|
if [ -z "$rootfs" ]; then
|
|
|
|
|
if grep -q '^lxc.rootfs' $config 2>/dev/null ; then
|
|
|
|
|
rootfs=$(awk -F= '/^lxc.rootfs =/{ print $2 }' $config)
|
|
|
|
|
else
|
|
|
|
|
rootfs=$path/rootfs
|
|
|
|
|
fi
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
install_ubuntu $rootfs $release $flushcache
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "failed to install ubuntu $release"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
configure_ubuntu $rootfs $name $release $user $password
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "failed to configure ubuntu $release for a container"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
copy_configuration $path $rootfs $name $arch $release
|
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
|
echo "failed write configuration file"
|
|
|
|
|
exit 1
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
post_process $rootfs $release $trim_container $packages
|
|
|
|
|
|
|
|
|
|
if [ -n "$bindhome" ]; then
|
|
|
|
|
do_bindhome $rootfs $bindhome
|
|
|
|
|
finalize_user $bindhome
|
|
|
|
|
else
|
|
|
|
|
finalize_user $user
|
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
echo ""
|
|
|
|
|
echo "##"
|
|
|
|
|
if [ -n "$bindhome" ]; then
|
|
|
|
|
echo "# Log in as user $bindhome"
|
|
|
|
|
else
|
|
|
|
|
echo "# The default user is '$user' with password '$password'!"
|
|
|
|
|
echo "# Use the 'sudo' command to run tasks as root in the container."
|
|
|
|
|
fi
|
|
|
|
|
echo "##"
|
|
|
|
|
echo ""
|
Kevin Carter