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author | Stéphane Graber <stgraber@ubuntu.com> | 2011-05-24 14:19:09 -0400 |
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committer | Daniel Lezcano <dlezcano@fr.ibm.com> | 2011-05-26 22:58:23 +0200 |
commit | d755a9e6b4c1c9e968df8ffe902881a8d7516aaa (patch) | |
tree | 8a67388945881ab59def508a79941c5b5fcc9019 /templates | |
parent | Convert all Debian (and derivative) templates from using 'arch' to using 'dpk... (diff) | |
download | lxc-d755a9e6b4c1c9e968df8ffe902881a8d7516aaa.tar.gz lxc-d755a9e6b4c1c9e968df8ffe902881a8d7516aaa.tar.bz2 lxc-d755a9e6b4c1c9e968df8ffe902881a8d7516aaa.zip |
Add initial oneiric template
Diffstat (limited to 'templates')
-rw-r--r-- | templates/Makefile.am | 1 | ||||
-rw-r--r-- | templates/lxc-oneiric.in | 285 |
2 files changed, 286 insertions, 0 deletions
diff --git a/templates/Makefile.am b/templates/Makefile.am index f0750e6..cfdf8f9 100644 --- a/templates/Makefile.am +++ b/templates/Makefile.am @@ -6,6 +6,7 @@ templates_SCRIPTS = \ lxc-lucid \ lxc-maverick \ lxc-natty \ + lxc-oneiric \ lxc-fedora \ lxc-busybox \ lxc-sshd diff --git a/templates/lxc-oneiric.in b/templates/lxc-oneiric.in new file mode 100644 index 0000000..3b08a0e --- /dev/null +++ b/templates/lxc-oneiric.in @@ -0,0 +1,285 @@ +#!/bin/bash + +# +# template script for generating ubuntu/oneiric container for LXC +# +# This script is based on lxc-debian (Daniel Lezcano <daniel.lezcano@free.fr>) +# + +# 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. +# + +configure_ubuntu() +{ + rootfs=$1 + hostname=$2 + + # configure the network using the dhcp + cat <<EOF > $rootfs/etc/network/interfaces +auto lo +iface lo inet loopback + +auto eth0 +iface eth0 inet dhcp +EOF + + # so you can 'ssh $hostname.' or 'ssh $hostname.local' + sed -i "s/<hostname>/$hostname/" $rootfs/etc/dhcp/dhclient.conf + + # set the hostname + cat <<EOF > $rootfs/etc/hostname +$hostname +EOF + # set minimal hosts + cat <<EOF > $rootfs/etc/hosts +127.0.0.1 localhost $hostname +EOF + + # suppress log level output for udev + sed -i "s/=\"err\"/=0/" $rootfs/etc/udev/udev.conf + + # tweak consoles + rm -f $rootfs/etc/init/tty{5,6}.conf + cp $rootfs/etc/init/tty1.conf $rootfs/etc/init/console.conf + sed -i 's/tty1/\/dev\/console/' $rootfs/etc/init/console.conf + + # don't let upstart mount anything from its builtin fs + echo "#Emptied out by lxc-oneiric template" > $rootfs/lib/init/fstab + + echo "Please change root-password !" + echo "root:root" | chroot $rootfs chpasswd + + return 0 +} + +download_ubuntu() +{ + packages=dialog,apt,apt-utils,resolvconf,iproute,inetutils-ping,vim,isc-dhcp-client,isc-dhcp-common,ssh,lsb-release,gnupg + + cache=$1 + arch=$2 + + # check the mini ubuntu was not already downloaded + mkdir -p "$cache/partial-$arch" + if [ $? -ne 0 ]; then + echo "Failed to create '$cache/partial-$arch' directory" + return 1 + fi + + # download a mini ubuntu into a cache + echo "Downloading ubuntu oneiric minimal ..." + debootstrap --verbose --variant=minbase --components=main,universe --arch=$arch --include=$packages oneiric $cache/partial-$arch + if [ $? -ne 0 ]; then + echo "Failed to download the rootfs, aborting." + return 1 + fi + + mv "$1/partial-$arch" "$1/rootfs-$arch" + echo "Download complete." + + return 0 +} + +copy_ubuntu() +{ + cache=$1 + arch=$2 + rootfs=$3 + + # make a local copy of the miniubuntu + echo -n "Copying rootfs to $rootfs ..." + cp -a $cache/rootfs-$arch $rootfs || return 1 + return 0 +} + +install_ubuntu() +{ + cache="/var/cache/lxc/oneiric" + rootfs=$1 + mkdir -p /var/lock/subsys/ + ( + flock -n -x 200 + if [ $? -ne 0 ]; then + echo "Cache repository is busy." + return 1 + fi + + arch=$(dpkg --print-architecture) + + echo "Checking cache download in $cache/rootfs-$arch ... " + if [ ! -e "$cache/rootfs-$arch" ]; then + download_ubuntu $cache $arch + if [ $? -ne 0 ]; then + echo "Failed to download 'ubuntu oneiric 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 + + ) 200>/var/lock/subsys/lxc + + return $? +} + +copy_configuration() +{ + path=$1 + rootfs=$2 + name=$3 + + cat <<EOF >> $path/config +lxc.utsname = $name + +lxc.tty = 4 +lxc.pts = 1024 +lxc.rootfs = $rootfs +lxc.mount = $path/fstab + +lxc.cgroup.devices.deny = a +# /dev/null and zero +lxc.cgroup.devices.allow = c 1:3 rwm +lxc.cgroup.devices.allow = c 1:5 rwm +# consoles +lxc.cgroup.devices.allow = c 5:1 rwm +lxc.cgroup.devices.allow = c 5:0 rwm +#lxc.cgroup.devices.allow = c 4:0 rwm +#lxc.cgroup.devices.allow = c 4:1 rwm +# /dev/{,u}random +lxc.cgroup.devices.allow = c 1:9 rwm +lxc.cgroup.devices.allow = c 1:8 rwm +lxc.cgroup.devices.allow = c 136:* rwm +lxc.cgroup.devices.allow = c 5:2 rwm +# rtc +lxc.cgroup.devices.allow = c 254:0 rwm +EOF + + cat <<EOF > $path/fstab +proc $rootfs/proc proc nodev,noexec,nosuid 0 0 +sysfs $rootfs/sys sysfs defaults 0 0 +EOF + + if [ $? -ne 0 ]; then + echo "Failed to add configuration" + return 1 + fi + + return 0 +} + +clean() +{ + cache="/var/cache/lxc/oneiric" + + if [ ! -e $cache ]; then + exit 0 + fi + + # lock, so we won't purge while someone is creating a repository + ( + flock -n -x 200 + if [ $? != 0 ]; then + echo "Cache repository is busy." + exit 1 + fi + + echo -n "Purging the download cache..." + rm --preserve-root --one-file-system -rf $cache && echo "Done." || exit 1 + exit 0 + + ) 200>/var/lock/subsys/lxc +} + +usage() +{ + cat <<EOF +$1 -h|--help -p|--path=<path> --clean +EOF + return 0 +} + +options=$(getopt -o hp:n:c -l help,path:,name:,clean -- "$@") +if [ $? -ne 0 ]; then + usage $(basename $0) + exit 1 +fi +eval set -- "$options" + +while true +do + case "$1" in + -h|--help) usage $0 && exit 0;; + -p|--path) path=$2; shift 2;; + -n|--name) name=$2; shift 2;; + -c|--clean) clean=$2; shift 2;; + --) shift 1; break ;; + *) break ;; + esac +done + +if [ ! -z "$clean" -a -z "$path" ]; then + clean || exit 1 + exit 0 +fi + +type debootstrap +if [ $? -ne 0 ]; then + echo "'debootstrap' command is missing" + exit 1 +fi + +if [ -z "$path" ]; then + echo "'path' parameter is required" + exit 1 +fi + +if [ "$(id -u)" != "0" ]; then + echo "This script should be run as 'root'" + exit 1 +fi + +rootfs=$path/rootfs + +install_ubuntu $rootfs +if [ $? -ne 0 ]; then + echo "failed to install ubuntu oneiric" + exit 1 +fi + +configure_ubuntu $rootfs $name +if [ $? -ne 0 ]; then + echo "failed to configure ubuntu oneiric for a container" + exit 1 +fi + +copy_configuration $path $rootfs $name +if [ $? -ne 0 ]; then + echo "failed write configuration file" + exit 1 +fi + +if [ ! -z $clean ]; then + clean || exit 1 + exit 0 +fi |