4 # template script for generating suse container for LXC
8 # lxc: linux Container library
11 # Daniel Lezcano <daniel.lezcano@free.fr>
12 # Frederic Crozat <fcrozat@suse.com>
14 # This library is free software; you can redistribute it and/or
15 # modify it under the terms of the GNU Lesser General Public
16 # License as published by the Free Software Foundation; either
17 # version 2.1 of the License, or (at your option) any later version.
19 # This library is distributed in the hope that it will be useful,
20 # but WITHOUT ANY WARRANTY; without even the implied warranty of
21 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
22 # Lesser General Public License for more details.
24 # You should have received a copy of the GNU Lesser General Public
25 # License along with this library; if not, write to the Free Software
26 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
35 # set network as static, but everything is done by LXC outside the container
36 cat <<EOF > $rootfs/etc/sysconfig/network/ifcfg-eth0
42 IP=$(/sbin/ip route | awk '/default/ { print $3 }')
43 echo "default $IP - -" > $rootfs/etc/sysconfig/network/routes
46 touch $rootfs/etc/fstab
49 mknod -m 666 $rootfs/dev/random c 1 8
50 mknod -m 666 $rootfs/dev/urandom c 1 9
51 mkdir -m 755 $rootfs/dev/pts
52 mkdir -m 1777 $rootfs/dev/shm
53 mknod -m 666 $rootfs/dev/tty c 5 0
54 mknod -m 600 $rootfs/dev/console c 5 1
55 mknod -m 666 $rootfs/dev/tty0 c 4 0
56 mknod -m 666 $rootfs/dev/tty1 c 4 1
57 mknod -m 666 $rootfs/dev/tty2 c 4 2
58 mknod -m 666 $rootfs/dev/tty3 c 4 3
59 mknod -m 666 $rootfs/dev/tty4 c 4 4
60 ln -s null $rootfs/dev/tty10
61 mknod -m 666 $rootfs/dev/full c 1 7
62 mknod -m 666 $rootfs/dev/ptmx c 5 2
63 ln -s /proc/self/fd $rootfs/dev/fd
64 ln -s /proc/kcore $rootfs/dev/core
65 mkdir -m 755 $rootfs/dev/mapper
66 mknod -m 600 $rootfs/dev/mapper/control c 10 60
67 mkdir -m 755 $rootfs/dev/net
68 mknod -m 666 $rootfs/dev/net/tun c 10 200
71 cat <<EOF > $rootfs/etc/HOSTNAME
75 # do not use hostname from HOSTNAME variable
76 cat <<EOF >> $rootfs/etc/sysconfig/cron
81 cat <<EOF > $rootfs/etc/hosts
82 127.0.0.1 localhost $hostname
85 # disable various services
86 # disable yast->bootloader in container
87 cat <<EOF > $rootfs/etc/sysconfig/bootloader
93 cat <<EOF > $rootfs/etc/inittab
95 si::bootwait:/etc/init.d/boot
96 l0:0:wait:/etc/init.d/rc 0
97 l1:1:wait:/etc/init.d/rc 1
98 l2:2:wait:/etc/init.d/rc 2
99 l3:3:wait:/etc/init.d/rc 3
100 l6:6:wait:/etc/init.d/rc 6
101 ls:S:wait:/etc/init.d/rc S
102 ~~:S:respawn:/sbin/sulogin
103 p6::ctrlaltdel:/sbin/init 6
104 p0::powerfail:/sbin/init 0
105 cons:2345:respawn:/sbin/mingetty --noclear console screen
106 c1:2345:respawn:/sbin/mingetty --noclear tty1 screen
109 # patch boot script, no longer needed in openSUSE 12.1 / SLE11-SP2
110 patch --quiet -d $rootfs/etc/init.d/ << EOF
111 --- boot.orig 2011-05-26 16:03:07.000000000 +0200
112 +++ boot 2011-05-26 16:03:19.000000000 +0200
114 echo "***************************************************************"
117 - echo -n "Mounting devtmpfs at /dev"
118 - mount -n -t devtmpfs -o mode=0755 devtmpfs /dev
120 +# echo -n "Mounting devtmpfs at /dev"
121 +# mount -n -t devtmpfs -o mode=0755 devtmpfs /dev
125 -cp -axT --remove-destination /lib/udev/devices /dev
126 +#cp -axT --remove-destination /lib/udev/devices /dev
128 if test -d /sys/kernel/debug -a "$HAVE_DEBUGFS" = "1" ; then
129 mount -n -t debugfs debugfs /sys/kernel/debug > /dev/null 2>&1
131 cat <<EOF >> $rootfs/etc/sysconfig/boot
134 ROOTFS_BLKDEV="/dev/null"
138 # remove pointless services in a container
139 insserv -r -f -p $rootfs/etc/init.d boot.udev boot.udev_retry boot.md boot.lvm boot.loadmodules boot.device-mapper boot.clock boot.swap boot.klog
141 echo "Please change root-password !"
142 echo "root:root" | chroot $rootfs chpasswd
152 # check the mini opensuse was not already downloaded
153 mkdir -p "$cache/partial-$arch"
155 if [ $? -ne 0 ]; then
156 echo "Failed to create '$cache/partial-$arch' directory"
160 # download a mini opensuse into a cache
161 echo "Downloading opensuse minimal ..."
162 mkdir -p "$cache/partial-$arch/dev"
163 mknod -m 666 $cache/partial-$arch/dev/null c 1 3
164 mknod -m 666 $cache/partial-$arch/dev/zero c 1 5
165 zypper --quiet --root $cache/partial-$arch --non-interactive ar http://download.opensuse.org/distribution/$DISTRO/repo/oss/ repo-oss
166 zypper --quiet --root $cache/partial-$arch --non-interactive ar http://download.opensuse.org/update/$DISTRO/ update
167 zypper --quiet --root $cache/partial-$arch --non-interactive --gpg-auto-import-keys in --auto-agree-with-licenses -t pattern base
168 zypper --quiet --root $cache/partial-$arch --non-interactive --gpg-auto-import-keys in +lxc -kbd -patterns-openSUSE-base
169 if [ $? -ne 0 ]; then
170 echo "Failed to download the rootfs, aborting."
174 mv "$1/partial-$arch" "$1/rootfs-$arch"
175 echo "Download complete."
186 # make a local copy of the mini opensuse
187 echo -n "Copying rootfs to $rootfs ..."
189 rsync -a $cache/rootfs-$arch/ $rootfs/ || return 1
195 cache="/var/cache/lxc/opensuse"
197 mkdir -p /var/lock/subsys/
200 if [ $? -ne 0 ]; then
201 echo "Cache repository is busy."
207 echo "Checking cache download in $cache/rootfs-$arch ... "
208 if [ ! -e "$cache/rootfs-$arch" ]; then
209 download_opensuse $cache $arch
210 if [ $? -ne 0 ]; then
211 echo "Failed to download 'opensuse base'"
216 echo "Copy $cache/rootfs-$arch to $rootfs ... "
217 copy_opensuse $cache $arch $rootfs
218 if [ $? -ne 0 ]; then
219 echo "Failed to copy rootfs"
225 ) 200>/var/lock/subsys/lxc
236 cat <<EOF >> $path/config
242 lxc.mount = $path/fstab
243 # uncomment the next line to run the container unconfined:
244 #lxc.aa_profile = unconfined
246 lxc.cgroup.devices.deny = a
248 lxc.cgroup.devices.allow = c 1:3 rwm
249 lxc.cgroup.devices.allow = c 1:5 rwm
251 lxc.cgroup.devices.allow = c 5:1 rwm
252 lxc.cgroup.devices.allow = c 5:0 rwm
253 lxc.cgroup.devices.allow = c 4:0 rwm
254 lxc.cgroup.devices.allow = c 4:1 rwm
256 lxc.cgroup.devices.allow = c 1:9 rwm
257 lxc.cgroup.devices.allow = c 1:8 rwm
258 lxc.cgroup.devices.allow = c 136:* rwm
259 lxc.cgroup.devices.allow = c 5:2 rwm
261 lxc.cgroup.devices.allow = c 254:0 rwm
264 cat <<EOF > $path/fstab
265 proc proc proc nodev,noexec,nosuid 0 0
266 sysfs sys sysfs defaults 0 0
269 if [ $? -ne 0 ]; then
270 echo "Failed to add configuration"
279 cache="/var/cache/lxc/opensuse"
281 if [ ! -e $cache ]; then
285 # lock, so we won't purge while someone is creating a repository
289 echo "Cache repository is busy."
293 echo -n "Purging the download cache..."
294 rm --preserve-root --one-file-system -rf $cache && echo "Done." || exit 1
297 ) 200>/var/lock/subsys/lxc
303 $1 -h|--help -p|--path=<path> --clean
308 options=$(getopt -o hp:n:c -l help,path:,name:,clean -- "$@")
309 if [ $? -ne 0 ]; then
313 eval set -- "$options"
318 -h|--help) usage $0 && exit 0;;
319 -p|--path) path=$2; shift 2;;
320 -n|--name) name=$2; shift 2;;
321 -c|--clean) clean=$2; shift 2;;
322 --) shift 1; break ;;
327 if [ ! -z "$clean" -a -z "$path" ]; then
332 type zypper > /dev/null
333 if [ $? -ne 0 ]; then
334 echo "'zypper' command is missing"
338 if [ -z "$path" ]; then
339 echo "'path' parameter is required"
343 if [ "$(id -u)" != "0" ]; then
344 echo "This script should be run as 'root'"
350 install_opensuse $rootfs
351 if [ $? -ne 0 ]; then
352 echo "failed to install opensuse"
356 configure_opensuse $rootfs $name
357 if [ $? -ne 0 ]; then
358 echo "failed to configure opensuse for a container"
362 copy_configuration $path $rootfs $name
363 if [ $? -ne 0 ]; then
364 echo "failed write configuration file"
368 if [ ! -z $clean ]; then