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4 # lxc: linux Container library
7 # Daniel Lezcano <daniel.lezcano@free.fr>
9 # This library is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU Lesser General Public
11 # License as published by the Free Software Foundation; either
12 # version 2.1 of the License, or (at your option) any later version.
14 # This library is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 # Lesser General Public License for more details.
19 # You should have received a copy of the GNU Lesser General Public
20 # License along with this library; if not, write to the Free Software
21 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
28 # configure the inittab
29 cat <<EOF > $rootfs/etc/inittab
31 si::sysinit:/etc/init.d/rcS
32 l0:0:wait:/etc/init.d/rc 0
33 l1:1:wait:/etc/init.d/rc 1
34 l2:2:wait:/etc/init.d/rc 2
35 l3:3:wait:/etc/init.d/rc 3
36 l4:4:wait:/etc/init.d/rc 4
37 l5:5:wait:/etc/init.d/rc 5
38 l6:6:wait:/etc/init.d/rc 6
39 # Normally not reached, but fallthrough in case of emergency.
40 z6:6:respawn:/sbin/sulogin
41 1:2345:respawn:/sbin/getty 38400 console
42 c1:12345:respawn:/sbin/getty 38400 tty1 linux
43 c2:12345:respawn:/sbin/getty 38400 tty2 linux
44 c3:12345:respawn:/sbin/getty 38400 tty3 linux
45 c4:12345:respawn:/sbin/getty 38400 tty4 linux
48 # disable selinux in debian
49 mkdir
-p $rootfs/selinux
50 echo 0 > $rootfs/selinux
/enforce
52 # by default setup root password with no password
53 cat <<EOF > $rootfs/etc/ssh/sshd_config
56 HostKey /etc/ssh/ssh_host_rsa_key
57 HostKey /etc/ssh/ssh_host_dsa_key
58 UsePrivilegeSeparation yes
59 KeyRegenerationInterval 3600
67 PubkeyAuthentication yes
69 RhostsRSAAuthentication no
70 HostbasedAuthentication no
71 PermitEmptyPasswords yes
72 ChallengeResponseAuthentication no
75 # configure the network using the dhcp
76 cat <<EOF > $rootfs/etc/network/interfaces
78 iface lo inet loopback
85 cat <<EOF > $rootfs/etc/hostname
89 # reconfigure some services
90 chroot
$rootfs /usr
/sbin
/dpkg-reconfigure locales
92 # remove pointless services in a container
93 chroot
$rootfs /usr
/sbin
/update-rc.d
-f umountfs remove
94 chroot
$rootfs /usr
/sbin
/update-rc.d
-f hwclock.sh remove
95 chroot
$rootfs /usr
/sbin
/update-rc.d
-f hwclockfirst.sh remove
114 # check the mini debian was not already downloaded
115 mkdir
-p "$cache/partial-$arch"
116 if [ $?
-ne 0 ]; then
117 echo "Failed to create '$cache/partial-$arch' directory"
121 # download a mini debian into a cache
122 echo "Downloading debian minimal ..."
123 debootstrap
--verbose --variant=minbase
--arch=$arch \
124 --include $packages \
125 lenny
$cache/partial-
$arch http
://ftp.debian.org
/debian
126 if [ $?
-ne 0 ]; then
127 echo "Failed to download the rootfs, aborting."
131 mv "$1/partial-$arch" "$1/rootfs-$arch"
132 echo "Download complete."
143 # make a local copy of the minidebian
144 echo -n "Copying rootfs to $rootfs..."
145 cp -a $cache/rootfs-
$arch $rootfs ||
return 1
151 cache
="@LOCALSTATEDIR@/cache/lxc/debian"
153 mkdir
-p @LOCALSTATEDIR@
/lock
/subsys
/
156 if [ $?
-ne 0 ]; then
157 echo "Cache repository is busy."
162 if [ "$arch" == "x86_64" ]; then
166 if [ "$arch" == "i686" ]; then
170 echo "Checking cache download in $cache/rootfs-$arch ... "
171 if [ ! -e "$cache/rootfs-$arch" ]; then
172 download_debian
$cache $arch
173 if [ $?
-ne 0 ]; then
174 echo "Failed to download 'debian base'"
179 copy_debian
$cache $arch $rootfs
180 if [ $?
-ne 0 ]; then
181 echo "Failed to copy rootfs"
187 ) 200>@LOCALSTATEDIR@
/lock
/subsys
/lxc
198 cat <<EOF >> $path/config
202 lxc.cgroup.devices.deny = a
204 lxc.cgroup.devices.allow = c 1:3 rwm
205 lxc.cgroup.devices.allow = c 1:5 rwm
207 lxc.cgroup.devices.allow = c 5:1 rwm
208 lxc.cgroup.devices.allow = c 5:0 rwm
209 lxc.cgroup.devices.allow = c 4:0 rwm
210 lxc.cgroup.devices.allow = c 4:1 rwm
212 lxc.cgroup.devices.allow = c 1:9 rwm
213 lxc.cgroup.devices.allow = c 1:8 rwm
214 lxc.cgroup.devices.allow = c 136:* rwm
215 lxc.cgroup.devices.allow = c 5:2 rwm
217 lxc.cgroup.devices.allow = c 254:0 rwm
220 if [ $?
-ne 0 ]; then
221 echo "Failed to add configuration"
230 cache
="@LOCALSTATEDIR@/cache/lxc/debian"
232 if [ ! -e $cache ]; then
236 # lock, so we won't purge while someone is creating a repository
240 echo "Cache repository is busy."
244 echo -n "Purging the download cache..."
245 rm --preserve-root --one-file-system -rf $cache && echo "Done." ||
exit 1
248 ) 200>@LOCALSTATEDIR@
/lock
/subsys
/lxc
254 $1 -h|--help -p|--path=<path> --clean
259 options
=$
(getopt
-o hp
:n
:c
-l help,path
:,name
:,clean
-- "$@")
260 if [ $?
-ne 0 ]; then
264 eval set -- "$options"
269 -h|
--help) usage
$0 && exit 0;;
270 -p|
--path) path
=$2; shift 2;;
271 -n|
--name) name
=$2; shift 2;;
272 -c|
--clean) clean
=$2; shift 2;;
273 --) shift 1; break ;;
278 if [ ! -z "$clean" -a -z "$path" ]; then
284 if [ $?
-ne 0 ]; then
285 echo "'debootstrap' command is missing"
289 if [ -z "$path" ]; then
290 echo "'path' parameter is required"
294 if [ "$(id -u)" != "0" ]; then
295 echo "This script should be run as 'root'"
301 install_debian
$rootfs
302 if [ $?
-ne 0 ]; then
303 echo "failed to install debian"
307 configure_debian
$rootfs $name
308 if [ $?
-ne 0 ]; then
309 echo "failed to configure debian for a container"
313 copy_configuration
$path $rootfs
314 if [ $?
-ne 0 ]; then
315 echo "failed write configuration file"
319 if [ ! -z $clean ]; then