2013-06-08 00:43:17 +00:00
|
|
|
#!/bin/bash
|
|
|
|
|
|
|
|
# This is a modified version of /usr/share/lxc/templates/lxc-ubuntu
|
|
|
|
# that comes with Ubuntu 13.04 changed to suit vagrant-lxc needs
|
|
|
|
|
|
|
|
#
|
|
|
|
# template script for generating ubuntu container for LXC
|
|
|
|
#
|
|
|
|
# This script consolidates and extends the existing lxc ubuntu scripts
|
|
|
|
#
|
|
|
|
|
|
|
|
# Copyright © 2011 Serge Hallyn <serge.hallyn@canonical.com>
|
|
|
|
# Copyright © 2010 Wilhelm Meier
|
|
|
|
# Author: Wilhelm Meier <wilhelm.meier@fh-kl.de>
|
|
|
|
#
|
|
|
|
# This program is free software; you can redistribute it and/or modify
|
|
|
|
# it under the terms of the GNU General Public License version 2, as
|
|
|
|
# published by the Free Software Foundation.
|
|
|
|
|
|
|
|
# This program 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 General Public License for more details.
|
|
|
|
|
|
|
|
# You should have received a copy of the GNU General Public License along
|
|
|
|
# with this program; if not, write to the Free Software Foundation, Inc.,
|
|
|
|
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
|
|
#
|
|
|
|
|
|
|
|
set -e
|
|
|
|
|
|
|
|
if [ -r /etc/default/lxc ]; then
|
|
|
|
. /etc/default/lxc
|
|
|
|
fi
|
|
|
|
|
|
|
|
configure_ubuntu()
|
|
|
|
{
|
|
|
|
rootfs=$1
|
|
|
|
release=$2
|
|
|
|
hostname=$2
|
|
|
|
|
|
|
|
# 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
|
2013-06-27 04:30:18 +00:00
|
|
|
ff02::3 ip6-allhosts
|
2013-06-08 00:43:17 +00:00
|
|
|
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 ! (grep -q vagrant $rootfs/etc/passwd); then
|
|
|
|
chroot $rootfs useradd --create-home -s /bin/bash vagrant
|
|
|
|
echo "vagrant:vagrant" | chroot $rootfs chpasswd
|
|
|
|
fi
|
|
|
|
|
|
|
|
# make sure we have the current locale defined in the container
|
|
|
|
chroot $rootfs locale-gen en_US.UTF-8
|
|
|
|
chroot $rootfs update-locale LANG=en_US.UTF-8
|
|
|
|
|
|
|
|
return 0
|
|
|
|
}
|
|
|
|
|
|
|
|
# finish setting up the user in the container by injecting ssh key and
|
|
|
|
# adding sudo group membership.
|
|
|
|
# passed-in user is 'vagrant'
|
|
|
|
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
|
|
|
|
|
|
|
|
chroot $rootfs cp /etc/sudoers /etc/sudoers.orig >/dev/null 2>&1 || true
|
|
|
|
chroot $rootfs sed -i -e 's/%sudo\s\+ALL=(ALL:ALL)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' /etc/sudoers >/dev/null 2>&1 || true
|
|
|
|
|
|
|
|
if [ -n "$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
|
|
|
|
}
|
|
|
|
|
|
|
|
write_sourceslist()
|
|
|
|
{
|
|
|
|
# $1 => path to the rootfs
|
|
|
|
# $2 => architecture we want to add
|
|
|
|
# $3 => whether to use the multi-arch syntax or not
|
|
|
|
|
|
|
|
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
|
|
|
|
}
|
|
|
|
|
|
|
|
trim()
|
|
|
|
{
|
|
|
|
rootfs=$1
|
|
|
|
release=$2
|
|
|
|
|
|
|
|
# provide the lxc service
|
|
|
|
cat <<EOF > $rootfs/etc/init/lxc.conf
|
|
|
|
# fake some events needed for correct startup other services
|
|
|
|
|
|
|
|
description "Container Upstart"
|
|
|
|
|
|
|
|
start on startup
|
|
|
|
|
|
|
|
script
|
|
|
|
rm -rf /var/run/*.pid
|
|
|
|
rm -rf /var/run/network/*
|
|
|
|
/sbin/initctl emit stopped JOB=udevtrigger --no-wait
|
|
|
|
/sbin/initctl emit started JOB=udev --no-wait
|
|
|
|
end script
|
|
|
|
EOF
|
|
|
|
|
|
|
|
# fix buggus runlevel with sshd
|
|
|
|
cat <<EOF > $rootfs/etc/init/ssh.conf
|
|
|
|
# ssh - OpenBSD Secure Shell server
|
|
|
|
#
|
|
|
|
# The OpenSSH server provides secure shell access to the system.
|
|
|
|
|
|
|
|
description "OpenSSH server"
|
|
|
|
|
|
|
|
start on filesystem
|
|
|
|
stop on runlevel [!2345]
|
|
|
|
|
|
|
|
expect fork
|
|
|
|
respawn
|
|
|
|
respawn limit 10 5
|
|
|
|
umask 022
|
|
|
|
# replaces SSHD_OOM_ADJUST in /etc/default/ssh
|
|
|
|
oom never
|
|
|
|
|
|
|
|
pre-start script
|
|
|
|
test -x /usr/sbin/sshd || { stop; exit 0; }
|
|
|
|
test -e /etc/ssh/sshd_not_to_be_run && { stop; exit 0; }
|
|
|
|
test -c /dev/null || { stop; exit 0; }
|
|
|
|
|
|
|
|
mkdir -p -m0755 /var/run/sshd
|
|
|
|
end script
|
|
|
|
|
|
|
|
# if you used to set SSHD_OPTS in /etc/default/ssh, you can change the
|
|
|
|
# 'exec' line here instead
|
|
|
|
exec /usr/sbin/sshd
|
|
|
|
EOF
|
|
|
|
|
|
|
|
cat <<EOF > $rootfs/etc/init/console.conf
|
|
|
|
# console - getty
|
|
|
|
#
|
|
|
|
# This service maintains a console on tty1 from the point the system is
|
|
|
|
# started until it is shut down again.
|
|
|
|
|
|
|
|
start on stopped rc RUNLEVEL=[2345]
|
|
|
|
stop on runlevel [!2345]
|
|
|
|
|
|
|
|
respawn
|
|
|
|
exec /sbin/getty -8 38400 /dev/console
|
|
|
|
EOF
|
|
|
|
|
|
|
|
cat <<EOF > $rootfs/lib/init/fstab
|
|
|
|
# /lib/init/fstab: cleared out for bare-bones lxc
|
|
|
|
EOF
|
|
|
|
|
|
|
|
# remove pointless services in a container
|
|
|
|
chroot $rootfs /usr/sbin/update-rc.d -f ondemand remove
|
|
|
|
|
|
|
|
chroot $rootfs /bin/bash -c 'cd /etc/init; for f in $(ls u*.conf); do mv $f $f.orig; done'
|
|
|
|
chroot $rootfs /bin/bash -c 'cd /etc/init; for f in $(ls tty[2-9].conf); do mv $f $f.orig; done'
|
|
|
|
chroot $rootfs /bin/bash -c 'cd /etc/init; for f in $(ls plymouth*.conf); do mv $f $f.orig; done'
|
|
|
|
chroot $rootfs /bin/bash -c 'cd /etc/init; for f in $(ls hwclock*.conf); do mv $f $f.orig; done'
|
|
|
|
chroot $rootfs /bin/bash -c 'cd /etc/init; for f in $(ls module*.conf); do mv $f $f.orig; done'
|
|
|
|
|
|
|
|
# if this isn't lucid, then we need to twiddle the network upstart bits :(
|
|
|
|
if [ $release != "lucid" ]; then
|
|
|
|
sed -i 's/^.*emission handled.*$/echo Emitting lo/' $rootfs/etc/network/if-up.d/upstart
|
|
|
|
fi
|
|
|
|
}
|
|
|
|
|
|
|
|
post_process()
|
|
|
|
{
|
|
|
|
rootfs=$1
|
|
|
|
release=$2
|
|
|
|
trim_container=$3
|
|
|
|
|
|
|
|
if [ $trim_container -eq 1 ]; then
|
|
|
|
trim $rootfs $release
|
|
|
|
elif [ ! -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
|
|
|
|
chroot $rootfs apt-get install --force-yes -y 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
|
|
|
|
chroot $rootfs apt-get update
|
|
|
|
chroot $rootfs apt-get install --force-yes -y --no-install-recommends upstart:${hostarch} mountall:${hostarch} iproute:${hostarch} isc-dhcp-client:${hostarch}
|
|
|
|
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.
|
|
|
|
if [ ! -L $rootfs/dev/shm ] && [ -d $rootfs/run/shm ] && [ -e $rootfs/dev/shm ]; then
|
|
|
|
mv $rootfs/dev/shm $rootfs/dev/shm.bak
|
|
|
|
ln -s /run/shm $rootfs/dev/shm
|
|
|
|
fi
|
|
|
|
}
|
|
|
|
|
|
|
|
release=precise # Default to the last Ubuntu LTS release for non-Ubuntu systems
|
|
|
|
if [ -f /etc/lsb-release ]; then
|
|
|
|
. /etc/lsb-release
|
|
|
|
if [ "$DISTRIB_ID" = "Ubuntu" ]; then
|
|
|
|
release=$DISTRIB_CODENAME
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
arch=$(uname -m)
|
|
|
|
|
|
|
|
# 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 type 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="armel"
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
|
|
|
|
|
|
|
|
if [ "$(id -u)" != "0" ]; then
|
|
|
|
echo "This script should be run as 'root'"
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
|
|
|
declare cache=`readlink -f .` \
|
|
|
|
arch=$1 \
|
|
|
|
release=$2 \
|
|
|
|
auth_key=$3
|
|
|
|
|
|
|
|
# detect rootfs
|
|
|
|
cache=`readlink -f .`
|
|
|
|
rootfs="${cache}/rootfs"
|
|
|
|
|
|
|
|
configure_ubuntu $rootfs $release
|
|
|
|
if [ $? -ne 0 ]; then
|
|
|
|
echo "failed to configure ubuntu $release for a container"
|
|
|
|
exit 1
|
|
|
|
fi
|
|
|
|
|
|
|
|
post_process $rootfs $release $trim_container
|
|
|
|
|
|
|
|
finalize_user vagrant
|
|
|
|
|
|
|
|
echo ""
|
|
|
|
echo "##"
|
|
|
|
echo "# The default user is 'vagrant' with password 'vagrant'!"
|
|
|
|
echo "# Use the 'sudo' command to run tasks as root in the container."
|
|
|
|
echo "##"
|
|
|
|
echo ""
|