4 # template script for generating PLD Linux container for LXC
8 # lxc: Linux Container library
11 # Elan Ruusamäe <glen@pld-linux.org>
13 # This library is free software; you can redistribute it and/or
14 # modify it under the terms of the GNU Lesser General Public
15 # License as published by the Free Software Foundation; either
16 # version 2.1 of the License, or (at your option) any later version.
18 # This library is distributed in the hope that it will be useful,
19 # but WITHOUT ANY WARRANTY; without even the implied warranty of
20 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 # Lesser General Public License for more details.
23 # You should have received a copy of the GNU Lesser General Public
24 # License along with this library; if not, write to the Free Software
25 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 cache_base=@LOCALSTATEDIR@/cache/lxc/pld/$arch
30 default_path=@LXCPATH@
33 if [ -e /etc/os-release ]; then
34 # This is a shell friendly configuration file. We can just source it.
35 # What we're looking for in here is the ID, VERSION_ID and the CPE_NAME
37 echo "Host CPE ID from /etc/os-release: ${CPE_NAME}"
40 if [ "${CPE_NAME}" != "" -a "${ID}" = "pld" -a "${VERSION_ID}" != "" ]; then
41 pld_host_ver=${VERSION_ID}
43 elif [ -e /etc/pld-release ]; then
44 # Only if all other methods fail, try to parse the pld-release file.
45 pld_host_ver=$(sed -e '/PLD /!d' -e 's/^\([0-9.]*\)\sPLD.*/\1/' < /etc/pld-release)
46 if [ "$pld_host_ver" != "" ]; then
51 # Map a few architectures to their generic PLD Linux repository archs.
52 case "$pld_host_ver:$arch" in
53 3.0:i586) arch=i486 ;;
60 mkdir -p $rootfs_path/selinux
61 echo 0 > $rootfs_path/selinux/enforce
63 # configure the network using the dhcp
64 sed -i -e "s/^HOSTNAME=.*/HOSTNAME=${utsname}/" ${rootfs_path}/etc/sysconfig/network
66 # set hostname on systemd
67 if [ $release = "3.0" ]; then
68 echo "${utsname}" > ${rootfs_path}/etc/hostname
72 test -e $rootfs_path/etc/hosts || \
73 cat <<EOF > $rootfs_path/etc/hosts
74 127.0.0.1 localhost.localdomain localhost $utsname
75 ::1 localhost6.localdomain6 localhost6
78 dev_path="${rootfs_path}/dev"
81 mknod -m 666 ${dev_path}/null c 1 3
82 mknod -m 666 ${dev_path}/zero c 1 5
83 mknod -m 666 ${dev_path}/random c 1 8
84 mknod -m 666 ${dev_path}/urandom c 1 9
85 mkdir -m 755 ${dev_path}/pts
86 mkdir -m 1777 ${dev_path}/shm
87 mknod -m 666 ${dev_path}/tty c 5 0
88 mknod -m 666 ${dev_path}/tty0 c 4 0
89 mknod -m 666 ${dev_path}/tty1 c 4 1
90 mknod -m 666 ${dev_path}/tty2 c 4 2
91 mknod -m 666 ${dev_path}/tty3 c 4 3
92 mknod -m 666 ${dev_path}/tty4 c 4 4
93 mknod -m 600 ${dev_path}/console c 5 1
94 mknod -m 666 ${dev_path}/full c 1 7
95 mknod -m 600 ${dev_path}/initctl p
96 mknod -m 666 ${dev_path}/ptmx c 5 2
98 echo "setting root passwd to $root_password"
99 echo "root:$root_password" | chroot $rootfs_path chpasswd
106 # default powerfail action waits 2 minutes. for lxc we want it immediately
107 sed -i -e '/^pf::powerfail:/ s,/sbin/shutdown.*,/sbin/halt,' ${rootfs_path}/etc/inittab
110 configure_pld_systemd()
112 unlink ${rootfs_path}/etc/systemd/system/default.target
113 chroot ${rootfs_path} ln -s /dev/null /etc/systemd/system/udev.service
114 chroot ${rootfs_path} ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
116 # Actually, the After=dev-%i.device line does not appear in the
117 # Fedora 17 or Fedora 18 systemd getty@.service file. It may be left
118 # over from an earlier version and it's not doing any harm. We do need
119 # to disable the "ConditionalPathExists=/dev/tty0" line or no gettys are
120 # started on the ttys in the container. Lets do it in an override copy of
121 # the service so it can still pass rpm verifies and not be automatically
122 # updated by a new systemd version. -- mhw /\/\|=mhw=|\/\/
124 sed -e 's/^ConditionPathExists=/# ConditionPathExists=/' \
125 -e 's/After=dev-%i.device/After=/' \
126 < ${rootfs_path}/lib/systemd/system/getty@.service \
127 > ${rootfs_path}/etc/systemd/system/getty@.service
129 # Setup getty service on the 4 ttys we are going to allow in the
130 # default config. Number should match lxc.tty
132 ln -sf ../getty@.service ${rootfs_path}/etc/systemd/system/getty.target.wants/getty@tty${i}.service
139 # check the mini pld was not already downloaded
140 INSTALL_ROOT=$cache/partial
141 mkdir -p $INSTALL_ROOT
142 if [ $? -ne 0 ]; then
143 echo "Failed to create '$INSTALL_ROOT' directory"
147 # download a mini pld into a cache
148 echo "Downloading PLD Linux minimal ..."
149 POLDEK="poldek --root $INSTALL_ROOT --noask --nohold --noignore"
150 PKG_LIST="basesystem filesystem pld-release rpm poldek vserver-packages rc-scripts pwdutils mingetty"
152 mkdir -p $INSTALL_ROOT@LOCALSTATEDIR@/lib/rpm
153 rpm --root $INSTALL_ROOT --initdb
156 if [ $? -ne 0 ]; then
157 echo "Failed to download the rootfs, aborting."
161 mv "$INSTALL_ROOT" "$cache/rootfs"
162 echo "Download complete."
170 # make a local copy of the minipld
171 echo -n "Copying rootfs to $rootfs_path ..."
172 cp -a $cache/rootfs/* $rootfs_path || return 1
178 POLDEK="poldek --root $cache/rootfs --noask"
179 $POLDEK --upgrade-dist
184 mkdir -p @LOCALSTATEDIR@/lock/subsys/
187 if [ $? -ne 0 ]; then
188 echo "Cache repository is busy."
192 echo "Checking cache download in $cache/rootfs ... "
193 if [ ! -e "$cache/rootfs" ]; then
195 if [ $? -ne 0 ]; then
196 echo "Failed to download 'pld base'"
200 echo "Cache found. Updating..."
202 if [ $? -ne 0 ]; then
203 echo "Failed to update 'pld base', continuing with last known good cache"
205 echo "Update finished"
209 echo "Copy $cache/rootfs to $rootfs_path ... "
211 if [ $? -ne 0 ]; then
212 echo "Failed to copy rootfs"
217 ) 9>@LOCALSTATEDIR@/lock/subsys/lxc-pld
225 mkdir -p $config_path
226 grep -q "^lxc.rootfs" $config_path/config 2>/dev/null || echo "lxc.rootfs = $rootfs_path" >> $config_path/config
227 cat <<EOF >> $config_path/config
228 lxc.utsname = $utsname
231 lxc.mount = $config_path/fstab
232 lxc.cap.drop = sys_module mac_admin mac_override sys_time
234 lxc.autodev = $auto_dev
236 # When using LXC with apparmor, uncomment the next line to run unconfined:
237 #lxc.aa_profile = unconfined
241 #lxc.cgroup.devices.allow = a
243 lxc.cgroup.devices.deny = a
244 # Allow to mknod all devices (but not using them)
245 lxc.cgroup.devices.allow = c *:* m
246 lxc.cgroup.devices.allow = b *:* m
249 lxc.cgroup.devices.allow = c 1:3 rwm
250 lxc.cgroup.devices.allow = c 1:5 rwm
252 lxc.cgroup.devices.allow = c 5:1 rwm
253 lxc.cgroup.devices.allow = c 5:0 rwm
254 lxc.cgroup.devices.allow = c 4:0 rwm
255 lxc.cgroup.devices.allow = c 4:1 rwm
257 lxc.cgroup.devices.allow = c 1:9 rwm
258 lxc.cgroup.devices.allow = c 1:8 rwm
259 lxc.cgroup.devices.allow = c 136:* rwm
260 lxc.cgroup.devices.allow = c 5:2 rwm
262 lxc.cgroup.devices.allow = c 254:0 rm
265 cat <<EOF > $config_path/fstab
266 proc proc proc nodev,noexec,nosuid 0 0
267 sysfs sys sysfs defaults 0 0
269 if [ $? -ne 0 ]; then
270 echo "Failed to add configuration"
280 if [ ! -e $cache ]; then
284 # lock, so we won't purge while someone is creating a repository
288 echo "Cache repository is busy."
292 echo -n "Purging the download cache for PLD Linux $release..."
293 rm --preserve-root --one-file-system -rf $cache && echo "Done." || exit 1
295 ) 9>@LOCALSTATEDIR@/lock/subsys/lxc-pld
302 $1 -n|--name=<container_name>
303 [-p|--path=<path>] [-c|--clean] [-R|--release=<PLD Release>] [--fqdn=<network name of container>] [-A|--arch=<arch of the container>]
306 -n,--name container name, used to as an identifier for that container from now on
308 -p,--path path to where the container will be created, defaults to @LXCPATH@. The container config will go under @LXCPATH@ in that case
309 --rootfs path for actual rootfs.
310 -c,--clean clean the cache
311 -R,--release PLD Linux release for the new container. if the host is PLD Linux, then it will default to the host's release.
312 --fqdn fully qualified domain name (FQDN) for DNS and system naming
313 -A,--arch NOT USED YET. Define what arch the container will be [i686,x86_64]
314 -h,--help print this help
319 options=$(getopt -o hp:n:cR: -l help,path:,rootfs:,name:,clean,release:,fqdn: -- "$@")
320 if [ $? -ne 0 ]; then
324 eval set -- "$options"
328 -h|--help) usage $0 && exit 0;;
329 -p|--path) path=$2; shift 2;;
330 --rootfs) rootfs=$2; shift 2;;
331 -n|--name) name=$2; shift 2;;
332 -c|--clean) clean=$2; shift 2;;
333 -R|--release) release=$2; shift 2;;
334 --fqdn) utsname=$2; shift 2;;
335 --) shift 1; break ;;
340 if [ ! -z "$clean" -a -z "$path" ]; then
345 if [ -z "${utsname}" ]; then
349 # This follows a standard "resolver" convention that an FQDN must have
350 # at least two dots or it is considered a local relative host name.
351 # If it doesn't, append the dns domain name of the host system.
353 # This changes one significant behavior when running
354 # "lxc_create -n Container_Name" without using the
358 # utsname and hostname = Container_Name
360 # utsname and hostname = Container_Name.Domain_Name
362 if [ $(expr "$utsname" : '.*\..*\.') = 0 ]; then
363 if [ -n "$(dnsdomainname)" ]; then
364 utsname=${utsname}.$(dnsdomainname)
369 type poldek >/dev/null 2>&1
370 if [ $? -ne 0 ]; then
371 needed_pkgs="poldek $needed_pkgs"
374 #type curl >/dev/null 2>&1
375 #if [ $? -ne 0 ]; then
376 # needed_pkgs="curl $needed_pkgs"
379 if [ -n "$needed_pkgs" ]; then
380 echo "Missing commands: $needed_pkgs"
381 echo "Please install these using \"sudo poldek -u $needed_pkgs\""
385 if [ -z "$path" ]; then
386 path=$default_path/$name
389 if [ -z "$release" ]; then
390 if [ "$is_pld" -a "$pld_host_ver" ]; then
391 release=$pld_host_ver
393 echo "This is not a PLD Linux host and release missing, defaulting to 3.0. use -R|--release to specify release"
398 # pld th have systemd. We need autodev enabled to keep systemd from causing problems.
399 if [ $release = 3.0 ]; then
405 if [ "$(id -u)" != "0" ]; then
406 echo "This script should be run as 'root'"
410 if [ -z "$rootfs" ]; then
411 rootfs_path=$path/rootfs
412 # check for 'lxc.rootfs' passed in through default config by lxc-create
413 # TODO: should be lxc.rootfs.mount used instead?
414 if grep -q '^lxc.rootfs' $path/config 2>/dev/null ; then
415 rootfs_path=$(awk -F= '/^lxc.rootfs =/{ print $2 }' $path/config)
420 config_path=$default_path/$name
421 cache=$cache_base/$release
425 echo "Interrupted, so cleaning up"
427 # maybe was interrupted before copy config
429 rm -rf $default_path/$name
434 trap revert SIGHUP SIGINT SIGTERM
437 if [ $? -ne 0 ]; then
438 echo "Failed write configuration file"
443 if [ $? -ne 0 ]; then
444 echo "Failed to install PLD Linux"
449 if [ $? -ne 0 ]; then
450 echo "Failed to configure PLD Linux for a container"
454 # If the systemd configuration directory exists - set it up for what we need.
455 if [ -d ${rootfs_path}/etc/systemd/system ]; then
456 configure_pld_systemd
459 # This configuration (rc.sysinit) is not inconsistent with the systemd stuff
460 # above and may actually coexist on some upgraded systems. Let's just make
461 # sure that, if it exists, we update this file, even if it's not used...
462 if [ -f ${rootfs_path}/etc/rc.sysinit ]; then
466 if [ ! -z $clean ]; then
470 echo "container rootfs and config created"