[lxc-devel] [PATCH 1/4] lxc-ubuntu: Don't hardcode path to cache
Stéphane Graber
stgraber at ubuntu.com
Wed Dec 5 23:51:07 UTC 2012
Use LOCALSTATEDIR to generate the path to the cache.
Signed-off-by: Stéphane Graber <stgraber at ubuntu.com>
---
configure.ac | 1 +
templates/lxc-ubuntu | 729 ------------------------------------------------
templates/lxc-ubuntu.in | 729 ++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 730 insertions(+), 729 deletions(-)
delete mode 100644 templates/lxc-ubuntu
create mode 100644 templates/lxc-ubuntu.in
diff --git a/configure.ac b/configure.ac
index 626d202..893e179 100644
--- a/configure.ac
+++ b/configure.ac
@@ -245,6 +245,7 @@ AC_CONFIG_FILES([
templates/Makefile
templates/lxc-lenny
templates/lxc-debian
+ templates/lxc-ubuntu
templates/lxc-ubuntu-cloud
templates/lxc-opensuse
templates/lxc-busybox
diff --git a/templates/lxc-ubuntu b/templates/lxc-ubuntu
deleted file mode 100644
index 4ccb015..0000000
--- a/templates/lxc-ubuntu
+++ /dev/null
@@ -1,729 +0,0 @@
-#!/bin/bash
-
-#
-# template script for generating ubuntu container for LXC
-#
-# This script consolidates and extends the existing lxc ubuntu scripts
-#
-
-# Copyright © 2011 Serge Hallyn <serge.hallyn at canonical.com>
-# Copyright © 2010 Wilhelm Meier
-# Author: Wilhelm Meier <wilhelm.meier at 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
- hostname=$2
- release=$3
-
- # 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 ubuntu
- echo "ubuntu:ubuntu" | chroot $rootfs chpasswd
- fi
-
- # make sure we have the current locale defined in the container
- if [ -z "$LANG" ]; then
- chroot $rootfs locale-gen en_US.UTF-8
- chroot $rootfs update-locale LANG=en_US.UTF-8
- else
- chroot $rootfs locale-gen $LANG
- chroot $rootfs update-locale LANG=$LANG
- 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
-}
-
-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
-}
-
-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 case (see -F in the hep output) may help."
-}
-
-download_ubuntu()
-{
- cache=$1
- arch=$2
- release=$3
-
- packages=vim,ssh
-
- # Try to guess a list of langpacks to install
- langpacks="language-pack-en"
-
- if which dpkg >/dev/null 2>&1; then
- langpacks=`(echo $langpacks &&
- dpkg -l | grep -E "^ii language-pack-[a-z]* " |
- cut -d ' ' -f3) | sort -u`
- fi
- packages="$packages,$(echo $langpacks | sed 's/ /,/g')"
-
-
- echo "installing packages: $packages"
-
- trap cleanup EXIT SIGHUP SIGINT SIGTERM
- # check the mini ubuntu was not already downloaded
- mkdir -p "$cache/partial-$arch"
- if [ $? -ne 0 ]; then
- echo "Failed to create '$cache/partial-$arch' directory"
- return 1
- fi
-
- # 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 $release $cache/partial-$arch $MIRROR
- else
- debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $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=$3
- cache="/var/cache/lxc/$release"
- mkdir -p /var/lock/subsys/
-
- (
- flock -x 200
- 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
-
- ) 200>/var/lock/subsys/lxc
-
- return $?
-}
-
-copy_configuration()
-{
- path=$1
- rootfs=$2
- name=$3
- arch=$4
- release=$5
-
- if [ $arch = "i386" ]; then
- arch="i686"
- fi
-
- ttydir=""
- if [ -f $rootfs/etc/init/container-detect.conf ]; then
- ttydir=" lxc"
- 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 || cat <<EOF >> $path/config
-lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')
-EOF
- fi
-
- grep -q "^lxc.rootfs" $path/config 2>/dev/null || echo "lxc.rootfs = $rootfs" >> $path/config
- cat <<EOF >> $path/config
-lxc.utsname = $name
-
-lxc.devttydir =$ttydir
-lxc.tty = 4
-lxc.pts = 1024
-lxc.mount = $path/fstab
-lxc.arch = $arch
-lxc.cap.drop = sys_module mac_admin mac_override
-lxc.pivotdir = lxc_putold
-
-# When using LXC with apparmor, uncomment the next line to run unconfined:
-#lxc.aa_profile = unconfined
-
-lxc.cgroup.devices.deny = a
-# Allow any mknod (but not using the node)
-lxc.cgroup.devices.allow = c *:* m
-lxc.cgroup.devices.allow = b *:* m
-# /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
-#fuse
-lxc.cgroup.devices.allow = c 10:229 rwm
-#tun
-lxc.cgroup.devices.allow = c 10:200 rwm
-#full
-lxc.cgroup.devices.allow = c 1:7 rwm
-#hpet
-lxc.cgroup.devices.allow = c 10:228 rwm
-#kvm
-lxc.cgroup.devices.allow = c 10:232 rwm
-EOF
-
- cat <<EOF > $path/fstab
-proc proc proc nodev,noexec,nosuid 0 0
-sysfs sys sysfs defaults 0 0
-EOF
-
- if [ $? -ne 0 ]; then
- echo "Failed to add configuration"
- return 1
- fi
-
- return 0
-}
-
-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
-}
-
-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"
- chroot $rootfs apt-get --force-yes -y install $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
-$1 -h|--help [-a|--arch] [-b|--bindhome <user>] [--trim] [-d|--debug]
- [-F | --flush-cache] [-r|--release <release>] [ -S | --auth-key <keyfile>]
-release: the ubuntu release (e.g. precise): defaults to host release on ubuntu, otherwise uses latest LTS
-trim: make a minimal (faster, but not upgrade-safe) container
-bindhome: bind <user>'s home into the container
- The ubuntu user will not be created, and <user> will have
- sudo access.
-arch: the container architecture (e.g. amd64): defaults to host arch
-auth-key: SSH Public key file to inject into container
-EOF
- return 0
-}
-
-options=$(getopt -o a:b:hp:r:xn:FS:d -l arch:,bindhome:,help,path:,release:,trim,name:,flush-cache,auth-key:,debug -- "$@")
-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=
-arch=$(arch)
-
-# Code taken from debootstrap
-if [ -x /usr/bin/dpkg ] && /usr/bin/dpkg --print-architecture >/dev/null 2>&1; then
- arch=`/usr/bin/dpkg --print-architecture`
-elif type udpkg >/dev/null 2>&1 && udpkg --print-architecture >/dev/null 2>&1; then
- arch=`/usr/bin/udpkg --print-architecture`
-else
- arch=$(arch)
- if [ "$arch" = "i686" ]; then
- arch="i386"
- elif [ "$arch" = "x86_64" ]; then
- arch="amd64"
- elif [ "$arch" = "armv7l" ]; then
- arch="armel"
- fi
-fi
-
-debug=0
-trim_container=0
-hostarch=$arch
-flushcache=0
-while true
-do
- case "$1" in
- -h|--help) usage $0 && exit 0;;
- -p|--path) path=$2; shift 2;;
- -n|--name) name=$2; shift 2;;
- -F|--flush-cache) flushcache=1; shift 1;;
- -r|--release) release=$2; shift 2;;
- -b|--bindhome) bindhome=$2; shift 2;;
- -a|--arch) arch=$2; shift 2;;
- -x|--trim) trim_container=1; shift 1;;
- -S|--auth-key) auth_key=$2; shift 2;;
- -d|--debug) debug=1; shift 1;;
- --) 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 amd64 container on i386"
- exit 1
-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 [ "$(id -u)" != "0" ]; then
- echo "This script should be run as 'root'"
- exit 1
-fi
-
-# detect rootfs
-config="$path/config"
-if grep -q '^lxc.rootfs' $config 2>/dev/null ; then
- rootfs=`grep 'lxc.rootfs =' $config | awk -F= '{ print $2 }'`
-else
- rootfs=$path/rootfs
-fi
-
-install_ubuntu $rootfs $release $flushcache
-if [ $? -ne 0 ]; then
- echo "failed to install ubuntu $release"
- exit 1
-fi
-
-configure_ubuntu $rootfs $name $release
-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 $trim_container
-
-if [ -n "$bindhome" ]; then
- do_bindhome $rootfs $bindhome
- finalize_user $bindhome
-else
- finalize_user ubuntu
-fi
-
-echo ""
-echo "##"
-if [ -n "$bindhome" ]; then
- echo "# Log in as user $bindhome"
-else
- echo "# The default user is 'ubuntu' with password 'ubuntu'!"
- echo "# Use the 'sudo' command to run tasks as root in the container."
-fi
-echo "##"
-echo ""
diff --git a/templates/lxc-ubuntu.in b/templates/lxc-ubuntu.in
new file mode 100644
index 0000000..19de991
--- /dev/null
+++ b/templates/lxc-ubuntu.in
@@ -0,0 +1,729 @@
+#!/bin/bash
+
+#
+# template script for generating ubuntu container for LXC
+#
+# This script consolidates and extends the existing lxc ubuntu scripts
+#
+
+# Copyright © 2011 Serge Hallyn <serge.hallyn at canonical.com>
+# Copyright © 2010 Wilhelm Meier
+# Author: Wilhelm Meier <wilhelm.meier at 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
+ hostname=$2
+ release=$3
+
+ # 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 ubuntu
+ echo "ubuntu:ubuntu" | chroot $rootfs chpasswd
+ fi
+
+ # make sure we have the current locale defined in the container
+ if [ -z "$LANG" ]; then
+ chroot $rootfs locale-gen en_US.UTF-8
+ chroot $rootfs update-locale LANG=en_US.UTF-8
+ else
+ chroot $rootfs locale-gen $LANG
+ chroot $rootfs update-locale LANG=$LANG
+ 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
+}
+
+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
+}
+
+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 case (see -F in the hep output) may help."
+}
+
+download_ubuntu()
+{
+ cache=$1
+ arch=$2
+ release=$3
+
+ packages=vim,ssh
+
+ # Try to guess a list of langpacks to install
+ langpacks="language-pack-en"
+
+ if which dpkg >/dev/null 2>&1; then
+ langpacks=`(echo $langpacks &&
+ dpkg -l | grep -E "^ii language-pack-[a-z]* " |
+ cut -d ' ' -f3) | sort -u`
+ fi
+ packages="$packages,$(echo $langpacks | sed 's/ /,/g')"
+
+
+ echo "installing packages: $packages"
+
+ trap cleanup EXIT SIGHUP SIGINT SIGTERM
+ # check the mini ubuntu was not already downloaded
+ mkdir -p "$cache/partial-$arch"
+ if [ $? -ne 0 ]; then
+ echo "Failed to create '$cache/partial-$arch' directory"
+ return 1
+ fi
+
+ # 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 $release $cache/partial-$arch $MIRROR
+ else
+ debootstrap --verbose --components=main,universe --arch=$arch --include=$packages $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 /var/lock/subsys/
+
+ (
+ flock -x 200
+ 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
+
+ ) 200>/var/lock/subsys/lxc
+
+ return $?
+}
+
+copy_configuration()
+{
+ path=$1
+ rootfs=$2
+ name=$3
+ arch=$4
+ release=$5
+
+ if [ $arch = "i386" ]; then
+ arch="i686"
+ fi
+
+ ttydir=""
+ if [ -f $rootfs/etc/init/container-detect.conf ]; then
+ ttydir=" lxc"
+ 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 || cat <<EOF >> $path/config
+lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')
+EOF
+ fi
+
+ grep -q "^lxc.rootfs" $path/config 2>/dev/null || echo "lxc.rootfs = $rootfs" >> $path/config
+ cat <<EOF >> $path/config
+lxc.utsname = $name
+
+lxc.devttydir =$ttydir
+lxc.tty = 4
+lxc.pts = 1024
+lxc.mount = $path/fstab
+lxc.arch = $arch
+lxc.cap.drop = sys_module mac_admin mac_override
+lxc.pivotdir = lxc_putold
+
+# When using LXC with apparmor, uncomment the next line to run unconfined:
+#lxc.aa_profile = unconfined
+
+lxc.cgroup.devices.deny = a
+# Allow any mknod (but not using the node)
+lxc.cgroup.devices.allow = c *:* m
+lxc.cgroup.devices.allow = b *:* m
+# /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
+#fuse
+lxc.cgroup.devices.allow = c 10:229 rwm
+#tun
+lxc.cgroup.devices.allow = c 10:200 rwm
+#full
+lxc.cgroup.devices.allow = c 1:7 rwm
+#hpet
+lxc.cgroup.devices.allow = c 10:228 rwm
+#kvm
+lxc.cgroup.devices.allow = c 10:232 rwm
+EOF
+
+ cat <<EOF > $path/fstab
+proc proc proc nodev,noexec,nosuid 0 0
+sysfs sys sysfs defaults 0 0
+EOF
+
+ if [ $? -ne 0 ]; then
+ echo "Failed to add configuration"
+ return 1
+ fi
+
+ return 0
+}
+
+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
+}
+
+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"
+ chroot $rootfs apt-get --force-yes -y install $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
+$1 -h|--help [-a|--arch] [-b|--bindhome <user>] [--trim] [-d|--debug]
+ [-F | --flush-cache] [-r|--release <release>] [ -S | --auth-key <keyfile>]
+release: the ubuntu release (e.g. precise): defaults to host release on ubuntu, otherwise uses latest LTS
+trim: make a minimal (faster, but not upgrade-safe) container
+bindhome: bind <user>'s home into the container
+ The ubuntu user will not be created, and <user> will have
+ sudo access.
+arch: the container architecture (e.g. amd64): defaults to host arch
+auth-key: SSH Public key file to inject into container
+EOF
+ return 0
+}
+
+options=$(getopt -o a:b:hp:r:xn:FS:d -l arch:,bindhome:,help,path:,release:,trim,name:,flush-cache,auth-key:,debug -- "$@")
+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=
+arch=$(arch)
+
+# Code taken from debootstrap
+if [ -x /usr/bin/dpkg ] && /usr/bin/dpkg --print-architecture >/dev/null 2>&1; then
+ arch=`/usr/bin/dpkg --print-architecture`
+elif type udpkg >/dev/null 2>&1 && udpkg --print-architecture >/dev/null 2>&1; then
+ arch=`/usr/bin/udpkg --print-architecture`
+else
+ arch=$(arch)
+ if [ "$arch" = "i686" ]; then
+ arch="i386"
+ elif [ "$arch" = "x86_64" ]; then
+ arch="amd64"
+ elif [ "$arch" = "armv7l" ]; then
+ arch="armel"
+ fi
+fi
+
+debug=0
+trim_container=0
+hostarch=$arch
+flushcache=0
+while true
+do
+ case "$1" in
+ -h|--help) usage $0 && exit 0;;
+ -p|--path) path=$2; shift 2;;
+ -n|--name) name=$2; shift 2;;
+ -F|--flush-cache) flushcache=1; shift 1;;
+ -r|--release) release=$2; shift 2;;
+ -b|--bindhome) bindhome=$2; shift 2;;
+ -a|--arch) arch=$2; shift 2;;
+ -x|--trim) trim_container=1; shift 1;;
+ -S|--auth-key) auth_key=$2; shift 2;;
+ -d|--debug) debug=1; shift 1;;
+ --) 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 amd64 container on i386"
+ exit 1
+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 [ "$(id -u)" != "0" ]; then
+ echo "This script should be run as 'root'"
+ exit 1
+fi
+
+# detect rootfs
+config="$path/config"
+if grep -q '^lxc.rootfs' $config 2>/dev/null ; then
+ rootfs=`grep 'lxc.rootfs =' $config | awk -F= '{ print $2 }'`
+else
+ rootfs=$path/rootfs
+fi
+
+install_ubuntu $rootfs $release $flushcache
+if [ $? -ne 0 ]; then
+ echo "failed to install ubuntu $release"
+ exit 1
+fi
+
+configure_ubuntu $rootfs $name $release
+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 $trim_container
+
+if [ -n "$bindhome" ]; then
+ do_bindhome $rootfs $bindhome
+ finalize_user $bindhome
+else
+ finalize_user ubuntu
+fi
+
+echo ""
+echo "##"
+if [ -n "$bindhome" ]; then
+ echo "# Log in as user $bindhome"
+else
+ echo "# The default user is 'ubuntu' with password 'ubuntu'!"
+ echo "# Use the 'sudo' command to run tasks as root in the container."
+fi
+echo "##"
+echo ""
--
1.8.0
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