4 # template script for generating ubuntu container for LXC
6 # This script consolidates and extends the existing lxc ubuntu scripts
9 # Copyright © 2011 Serge Hallyn <serge.hallyn@canonical.com>
10 # Copyright © 2010 Wilhelm Meier
11 # Author: Wilhelm Meier <wilhelm.meier@fh-kl.de>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
27 # Detect use under userns (unsupported)
29 [ "$arg" = "--" ] && break
30 if [ "$arg" = "--mapped-uid" -o "$arg" = "--mapped-gid" ]; then
31 echo "This template can't be used for unprivileged containers." 1>&2
32 echo "You may want to try the \"download\" template instead." 1>&2
37 # Make sure the usual locations are in PATH
38 export PATH
=$PATH:/usr
/sbin
:/usr
/bin
:/sbin
:/bin
42 LOCALSTATEDIR
="@LOCALSTATEDIR@"
43 LXC_TEMPLATE_CONFIG
="@LXCTEMPLATECONFIG@"
44 # Allows the lxc-cache directory to be set by environment variable
45 LXC_CACHE_PATH
=${LXC_CACHE_PATH:-"$LOCALSTATEDIR/cache/lxc"}
47 if [ -r /etc
/default
/lxc
]; then
51 # Check if given path is in a btrfs partition
54 [ -e $1 -a $
(stat
-f -c '%T' $1) = "btrfs" ]
57 # Check if given path is the root of a btrfs subvolume
60 [ -d $1 -a $
(stat
-f -c '%T' $1) = "btrfs" -a $
(stat
-c '%i' $1) -eq 256 ]
66 [ -d $path ] && return 0
67 mkdir
-p $
(dirname $path)
68 if which btrfs
>/dev
/null
2>&1 && is_btrfs $
(dirname $path); then
69 btrfs subvolume create
$path
78 [ -d $path ] ||
return 0
79 if which btrfs
>/dev
/null
2>&1 && is_btrfs_subvolume
$path; then
80 btrfs subvolume delete
$path
94 # configure the network using the dhcp
95 cat <<EOF > $rootfs/etc/network/interfaces
96 # This file describes the network interfaces available on your system
97 # and how to activate them. For more information, see interfaces(5).
99 # The loopback network interface
101 iface lo inet loopback
108 cat <<EOF > $rootfs/etc/hostname
112 cat <<EOF > $rootfs/etc/hosts
116 # The following lines are desirable for IPv6 capable hosts
117 ::1 ip6-localhost ip6-loopback
119 ff00::0 ip6-mcastprefix
121 ff02::2 ip6-allrouters
124 if [ ! -f $rootfs/etc
/init
/container-detect.conf
]; then
125 # suppress log level output for udev
126 sed -i "s/=\"err\"/=0/" $rootfs/etc
/udev
/udev.conf
128 # remove jobs for consoles 5 and 6 since we only create 4 consoles in
130 rm -f $rootfs/etc
/init
/tty
{5,6}.conf
133 if [ -z "$bindhome" ]; then
134 chroot
$rootfs useradd
--create-home -s /bin
/bash
$user
135 echo "$user:$password" | chroot
$rootfs chpasswd
138 # make sure we have the current locale defined in the container
139 if [ -z "$LANG" ] ||
echo $LANG |
grep -E -q "^C(\..+)*$"; then
140 chroot
$rootfs locale-gen en_US.UTF-8 || true
141 chroot
$rootfs update-locale LANG
=en_US.UTF-8 || true
143 chroot
$rootfs locale-gen
$LANG || true
144 chroot
$rootfs update-locale LANG
=$LANG || true
147 # generate new SSH keys
148 if [ -x $rootfs/var
/lib
/dpkg
/info
/openssh-server.postinst
]; then
149 cat > $rootfs/usr
/sbin
/policy-rc.d
<< EOF
153 chmod +x
$rootfs/usr
/sbin
/policy-rc.d
155 rm -f $rootfs/etc
/ssh
/ssh_host_
*key
*
156 mv $rootfs/etc
/init
/ssh.conf
$rootfs/etc
/init
/ssh.conf.disabled
157 DPKG_MAINTSCRIPT_PACKAGE
=openssh DPKG_MAINTSCRIPT_NAME
=postinst chroot
$rootfs /var
/lib
/dpkg
/info
/openssh-server.postinst configure
158 mv $rootfs/etc
/init
/ssh.conf.disabled
$rootfs/etc
/init
/ssh.conf
160 sed -i "s/root@$(hostname)/root@$hostname/g" $rootfs/etc
/ssh
/ssh_host_
*.pub
162 rm -f $rootfs/usr
/sbin
/policy-rc.d
168 # finish setting up the user in the container by injecting ssh key and
169 # adding sudo group membership.
170 # passed-in user is either 'ubuntu' or the user to bind in from host.
175 sudo_version
=$
(chroot
$rootfs dpkg-query
-W -f='${Version}' sudo
)
177 if chroot
$rootfs dpkg
--compare-versions $sudo_version gt
"1.8.3p1-1"; then
183 for group
in $groups; do
184 chroot
$rootfs groupadd
--system $group >/dev
/null
2>&1 || true
185 chroot
$rootfs adduser
${user} $group >/dev
/null
2>&1 || true
188 if [ -n "$auth_key" -a -f "$auth_key" ]; then
189 u_path
="/home/${user}/.ssh"
190 root_u_path
="$rootfs/$u_path"
191 mkdir
-p $root_u_path
192 cp $auth_key "$root_u_path/authorized_keys"
193 chroot
$rootfs chown
-R ${user}: "$u_path"
195 echo "Inserted SSH public key from $auth_key into /home/${user}/.ssh/authorized_keys"
200 # A function to try and autodetect squid-deb-proxy servers on the local network
201 # if either the squid-deb-proxy-client package is installed on the host or
202 # a parent container set the 50squid-deb-proxy-client file.
203 squid_deb_proxy_autodetect
()
205 local apt_discover
=/usr
/share
/squid-deb-proxy-client
/apt-avahi-discover
206 local proxy_file
=/etc
/apt
/apt.conf.d
/50squid-deb-proxy-client
207 squid_proxy_line
= # That's a global :/
209 # Maybe the host is aware of a squid-deb-proxy?
210 if [ -f $apt_discover ]; then
211 echo -n "Discovering squid-deb-proxy..."
212 squid_proxy_line
=$
($apt_discover)
213 if [ -n "$squid_proxy_line" ]; then
214 echo "found squid-deb-proxy: $squid_proxy_line"
216 echo "no squid-deb-proxy found"
220 # Are we in a nested container, and the parent already knows of a proxy?
221 if [ -f $proxy_file ]; then
222 # Extract the squid URL from the file (whatever is between "")
223 squid_proxy_line
=`cat $proxy_file | sed "s/.*\"\(.*\)\".*/\1/"`
228 # Choose proxies for container
229 # http_proxy will be used by debootstrap on the host.
230 # APT_PROXY will be used to set /etc/apt/apt.conf.d/70proxy in the container.
232 choose_container_proxy
()
237 if [ -z "$HTTP_PROXY" ]; then
240 case "$HTTP_PROXY" in
242 squid_deb_proxy_autodetect
243 if [ -n "$squid_proxy_line" ]; then
244 APT_PROXY
=$squid_proxy_line
245 export http_proxy
=$squid_proxy_line
251 RES
=`apt-config shell APT_PROXY Acquire::http::Proxy`
253 [ -z "$APT_PROXY" ] ||
export http_proxy
=$APT_PROXY
256 APT_PROXY
=$HTTP_PROXY
257 export http_proxy
=$HTTP_PROXY
264 # $1 => path to the partial cache or the rootfs
265 # $2 => architecture we want to add
266 # $3 => whether to use the multi-arch syntax or not
268 if [ -n "$APT_PROXY" ]; then
269 mkdir
-p $1/etc
/apt
/apt.conf.d
270 cat > $1/etc
/apt
/apt.conf.d
/70proxy
<< EOF
271 Acquire::http::Proxy "$APT_PROXY" ;
277 MIRROR
=${MIRROR:-http://archive.ubuntu.com/ubuntu}
278 SECURITY_MIRROR
=${SECURITY_MIRROR:-http://security.ubuntu.com/ubuntu}
281 MIRROR
=${MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
282 SECURITY_MIRROR
=${SECURITY_MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
286 cat >> "$1/etc/apt/sources.list" << EOF
287 deb [arch=$2] $MIRROR ${release} main restricted universe multiverse
288 deb [arch=$2] $MIRROR ${release}-updates main restricted universe multiverse
289 deb [arch=$2] $SECURITY_MIRROR ${release}-security main restricted universe multiverse
292 cat >> "$1/etc/apt/sources.list" << EOF
293 deb $MIRROR ${release} main restricted universe multiverse
294 deb $MIRROR ${release}-updates main restricted universe multiverse
295 deb $SECURITY_MIRROR ${release}-security main restricted universe multiverse
307 chroot
$rootfs apt-get update
310 if [ -n "${packages}" ]
312 chroot
$rootfs apt-get
install --force-yes -y --no-install-recommends ${packages}
318 try_rmsubvolume
$cache/partial-
$arch
319 try_rmsubvolume
$cache/rootfs-
$arch
324 echo "Container upgrade failed. The container cache may be out of date,"
325 echo "in which case flushing the cache (see -F in the help output) may help."
336 MIRROR
=${MIRROR:-http://archive.ubuntu.com/ubuntu}
337 SECURITY_MIRROR
=${SECURITY_MIRROR:-http://security.ubuntu.com/ubuntu}
340 MIRROR
=${MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
341 SECURITY_MIRROR
=${SECURITY_MIRROR:-http://ports.ubuntu.com/ubuntu-ports}
345 packages_template
=${packages_template:-"ssh,vim"}
346 debootstrap_parameters
=
348 # Try to guess a list of langpacks to install
349 langpacks
="language-pack-en"
351 if which dpkg
>/dev
/null
2>&1; then
352 langpacks
=`(echo $langpacks &&
353 dpkg -l | grep -E "^ii language-pack-[a-z]* " |
354 cut -d ' ' -f3) | sort -u`
356 packages_template
="${packages_template},$(echo $langpacks | sed 's/ /,/g')"
358 if [ -n "$variant" ]; then
359 debootstrap_parameters
="$debootstrap_parameters --variant=$variant"
361 if [ "$variant" = 'minbase' ]; then
362 packages_template
="${packages_template},sudo,ifupdown,isc-dhcp-client,apt-transport-https"
365 echo "Installing packages in template: ${packages_template}"
367 trap cleanup EXIT SIGHUP SIGINT SIGTERM
368 # check the mini ubuntu was not already downloaded
369 try_mksubvolume
"$cache/partial-$arch"
370 if [ $?
-ne 0 ]; then
371 echo "Failed to create '$cache/partial-$arch' directory"
375 choose_container_proxy
$cache/partial-
$arch/ $arch
376 # download a mini ubuntu into a cache
377 echo "Downloading ubuntu $release minimal ..."
378 if [ -n "$(which qemu-debootstrap)" ]; then
379 qemu-debootstrap
--verbose $debootstrap_parameters --components=main
,universe
--arch=$arch --include=${packages_template} $release $cache/partial-
$arch $MIRROR
381 debootstrap
--verbose $debootstrap_parameters --components=main
,universe
--arch=$arch --include=${packages_template} $release $cache/partial-
$arch $MIRROR
384 if [ $?
-ne 0 ]; then
385 echo "Failed to download the rootfs, aborting."
389 # Serge isn't sure whether we should avoid doing this when
390 # $release == `distro-info -d`
391 echo "Installing updates"
392 > $cache/partial-
$arch/etc
/apt
/sources.list
393 write_sourceslist
$cache/partial-
$arch/ $arch
395 chroot
"$1/partial-${arch}" apt-get update
396 if [ $?
-ne 0 ]; then
397 echo "Failed to update the apt cache"
400 cat > "$1/partial-${arch}"/usr
/sbin
/policy-rc.d
<< EOF
404 chmod +x
"$1/partial-${arch}"/usr
/sbin
/policy-rc.d
406 lxc-unshare
-s MOUNT
-- chroot
"$1/partial-${arch}" apt-get dist-upgrade
-y ||
{ suggest_flush
; false
; }
407 rm -f "$1/partial-${arch}"/usr
/sbin
/policy-rc.d
409 chroot
"$1/partial-${arch}" apt-get clean
411 mv "$1/partial-$arch" "$1/rootfs-$arch"
416 echo "Download complete"
426 # make a local copy of the miniubuntu
427 echo "Copying rootfs to $rootfs ..."
428 try_mksubvolume
$rootfs
429 if which btrfs
>/dev
/null
2>&1 && is_btrfs_subvolume
$cache/rootfs-
$arch && is_btrfs_subvolume
$rootfs; then
430 realrootfs
=$
(dirname $config)/rootfs
431 [ "$rootfs" = "$realrootfs" ] || umount
$rootfs ||
return 1
432 btrfs subvolume delete
$realrootfs ||
return 1
433 btrfs subvolume snapshot
$cache/rootfs-
$arch $realrootfs ||
return 1
434 [ "$rootfs" = "$realrootfs" ] || mount
--bind $realrootfs $rootfs ||
return 1
436 rsync
-Ha $cache/rootfs-
$arch/ $rootfs/ ||
return 1
447 mkdir
-p $LOCALSTATEDIR/lock
/subsys
/
451 if [ $?
-ne 0 ]; then
452 echo "Cache repository is busy."
457 if [ $flushcache -eq 1 ]; then
458 echo "Flushing cache..."
459 try_rmsubvolume
$cache/partial-
$arch
460 try_rmsubvolume
$cache/rootfs-
$arch
463 echo "Checking cache download in $cache/rootfs-$arch ... "
464 if [ ! -e "$cache/rootfs-$arch" ]; then
465 download_ubuntu
$cache $arch $release
466 if [ $?
-ne 0 ]; then
467 echo "Failed to download 'ubuntu $release base'"
472 echo "Copy $cache/rootfs-$arch to $rootfs ... "
473 copy_ubuntu
$cache $arch $rootfs
474 if [ $?
-ne 0 ]; then
475 echo "Failed to copy rootfs"
481 ) 9>$LOCALSTATEDIR/lock
/subsys
/lxc-ubuntu
$release
494 if [ $arch = "i386" ]; then
498 # if there is exactly one veth network entry, make sure it has an
500 nics
=`grep -e '^lxc\.network\.type[ \t]*=[ \t]*veth' $path/config | wc -l`
501 if [ $nics -eq 1 ]; then
502 grep -q "^lxc.network.hwaddr" $path/config ||
sed -i -e "/^lxc\.network\.type[ \t]*=[ \t]*veth/a lxc.network.hwaddr = 00:16:3e:$(openssl rand -hex 3| sed 's/\(..\)/\1:/g; s/.$//')" $path/config
505 # Generate the configuration file
506 ## Relocate all the network config entries
507 sed -i -e "/lxc.network/{w ${path}/config-network" -e "d}" $path/config
509 ## Relocate any other config entries
510 sed -i -e "/lxc./{w ${path}/config-auto" -e "d}" $path/config
512 ## Add all the includes
513 echo "" >> $path/config
514 echo "# Common configuration" >> $path/config
515 if [ -e "${LXC_TEMPLATE_CONFIG}/ubuntu.common.conf" ]; then
516 echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/ubuntu.common.conf" >> $path/config
518 if [ -e "${LXC_TEMPLATE_CONFIG}/ubuntu.${release}.conf" ]; then
519 echo "lxc.include = ${LXC_TEMPLATE_CONFIG}/ubuntu.${release}.conf" >> $path/config
522 ## Add the container-specific config
523 echo "" >> $path/config
524 echo "# Container specific configuration" >> $path/config
525 [ -e "$path/config-auto" ] && cat $path/config-auto
>> $path/config
&& rm $path/config-auto
526 grep -q "^lxc.rootfs" $path/config
2>/dev
/null ||
echo "lxc.rootfs = $rootfs" >> $path/config
527 cat <<EOF >> $path/config
532 ## Re-add the previously removed network config
533 echo "" >> $path/config
534 echo "# Network configuration" >> $path/config
535 cat $path/config-network
>> $path/config
536 rm $path/config-network
538 if [ $?
-ne 0 ]; then
539 echo "Failed to add configuration"
552 # Disable service startup
553 cat > $rootfs/usr
/sbin
/policy-rc.d
<< EOF
557 chmod +x
$rootfs/usr
/sbin
/policy-rc.d
559 # If the container isn't running a native architecture, setup multiarch
560 if [ -x "$(ls -1 ${rootfs}/usr/bin/qemu-*-static 2>/dev/null)" ]; then
561 dpkg_version
=$
(chroot
$rootfs dpkg-query
-W -f='${Version}' dpkg
)
562 if chroot
$rootfs dpkg
--compare-versions $dpkg_version ge
"1.16.2"; then
563 chroot
$rootfs dpkg
--add-architecture ${hostarch}
565 mkdir
-p ${rootfs}/etc
/dpkg
/dpkg.cfg.d
566 echo "foreign-architecture ${hostarch}" > ${rootfs}/etc
/dpkg
/dpkg.cfg.d
/lxc-multiarch
569 # Save existing value of MIRROR and SECURITY_MIRROR
570 DEFAULT_MIRROR
=$MIRROR
571 DEFAULT_SECURITY_MIRROR
=$SECURITY_MIRROR
573 # Write a new sources.list containing both native and multiarch entries
574 > ${rootfs}/etc
/apt
/sources.list
575 write_sourceslist
$rootfs $arch "native"
577 MIRROR
=$DEFAULT_MIRROR
578 SECURITY_MIRROR
=$DEFAULT_SECURITY_MIRROR
579 write_sourceslist
$rootfs $hostarch "multiarch"
581 # Finally update the lists and install upstart using the host architecture
582 HOST_PACKAGES
="upstart:${hostarch} mountall:${hostarch} isc-dhcp-client:${hostarch}"
583 chroot
$rootfs apt-get update
584 if chroot
$rootfs dpkg
-l iproute2 |
grep -q ^ii
; then
585 HOST_PACKAGES
="$HOST_PACKAGES iproute2:${hostarch}"
587 HOST_PACKAGES
="$HOST_PACKAGES iproute:${hostarch}"
589 install_packages
$rootfs $HOST_PACKAGES
592 # Install Packages in container
593 if [ -n "$packages" ]
595 local packages
="`echo $packages | sed 's/,/ /g'`"
596 echo "Installing packages: ${packages}"
597 install_packages
$rootfs $packages
600 # Set initial timezone as on host
601 if [ -f /etc
/timezone
]; then
602 cat /etc
/timezone
> $rootfs/etc
/timezone
603 chroot
$rootfs dpkg-reconfigure
-f noninteractive tzdata
604 elif [ -f /etc
/sysconfig
/clock ]; then
605 .
/etc
/sysconfig
/clock
606 echo $ZONE > $rootfs/etc
/timezone
607 chroot
$rootfs dpkg-reconfigure
-f noninteractive tzdata
609 echo "Timezone in container is not configured. Adjust it manually."
612 # rmdir /dev/shm for containers that have /run/shm
613 # I'm afraid of doing rm -rf $rootfs/dev/shm, in case it did
614 # get bind mounted to the host's /run/shm. So try to rmdir
615 # it, and in case that fails move it out of the way.
616 # NOTE: This can only be removed once 12.04 goes out of support
617 if [ ! -L $rootfs/dev
/shm
] && [ -e $rootfs/dev
/shm
]; then
618 rmdir $rootfs/dev
/shm
2>/dev
/null ||
mv $rootfs/dev
/shm
$rootfs/dev
/shm.bak
619 ln -s /run
/shm
$rootfs/dev
/shm
622 # Re-enable service startup
623 rm $rootfs/usr
/sbin
/policy-rc.d
631 # copy /etc/passwd, /etc/shadow, and /etc/group entries into container
632 pwd=`getent passwd $user` ||
{ echo "Failed to copy password entry for $user"; false
; }
633 echo $pwd >> $rootfs/etc
/passwd
635 # make sure user's shell exists in the container
636 shell
=`echo $pwd | cut -d: -f 7`
637 if [ ! -x $rootfs/$shell ]; then
638 echo "shell $shell for user $user was not found in the container."
639 pkg
=`dpkg -S $(readlink -m $shell) | cut -d ':' -f1`
640 echo "Installing $pkg"
641 install_packages
$rootfs $pkg
644 shad
=`getent shadow $user`
645 echo "$shad" >> $rootfs/etc
/shadow
647 # bind-mount the user's path into the container's /home
648 h
=`getent passwd $user | cut -d: -f 6`
651 # use relative path in container
653 while [ ${h2:0:1} = "/" ]; do
656 echo "lxc.mount.entry = $h $h2 none bind 0 0" >> $path/config
658 # Make sure the group exists in container
659 grp
=`echo $pwd | cut -d: -f 4` # group number for $user
660 grpe
=`getent group $grp` ||
return 0 # if host doesn't define grp, ignore in container
661 chroot
$rootfs getent group
"$grpe" ||
echo "$grpe" >> $rootfs/etc
/group
667 $1 -h|--help [-a|--arch] [-b|--bindhome <user>] [-d|--debug]
668 [-F | --flush-cache] [-r|--release <release>] [-v|--variant] [ -S | --auth-key <keyfile>]
669 [--rootfs <rootfs>] [--packages <packages>] [-u|--user <user>] [--password <password>]
670 [--mirror <url>] [--security-mirror <url>]
671 release: the ubuntu release (e.g. precise): defaults to host release on ubuntu, otherwise uses latest LTS
672 variant: debootstrap variant to use (see debootstrap(8))
673 bindhome: bind <user>'s home into the container
674 The ubuntu user will not be created, and <user> will have
676 arch: the container architecture (e.g. amd64): defaults to host arch
677 auth-key: SSH Public key file to inject into container
678 packages: list of packages to add comma separated
679 mirror,security-mirror: mirror for download and /etc/apt/sources.list
684 options
=$
(getopt
-o a
:b
:hp
:r
:v
:n
:FS
:du
: -l arch
:,bindhome
:,help,path
:,release
:,variant
:,name
:,flush-cache
,auth-key
:,debug
,rootfs
:,packages
:,user
:,password
:,mirror
:,security-mirror
: -- "$@")
685 if [ $?
-ne 0 ]; then
689 eval set -- "$options"
691 release
=precise
# Default to the last Ubuntu LTS release for non-Ubuntu systems
692 if [ -f /etc
/lsb-release
]; then
694 if [ "$DISTRIB_ID" = "Ubuntu" ]; then
695 release
=$DISTRIB_CODENAME
701 # Code taken from debootstrap
702 if [ -x /usr
/bin
/dpkg
] && /usr
/bin
/dpkg
--print-architecture >/dev
/null
2>&1; then
703 arch
=`/usr/bin/dpkg --print-architecture`
704 elif which udpkg
>/dev
/null
2>&1 && udpkg
--print-architecture >/dev
/null
2>&1; then
705 arch
=`/usr/bin/udpkg --print-architecture`
708 if [ "$arch" = "i686" ]; then
710 elif [ "$arch" = "x86_64" ]; then
712 elif [ "$arch" = "armv7l" ]; then
714 elif [ "$arch" = "aarch64" ]; then
716 elif [ "$arch" = "ppc64le" ]; then
731 -h|
--help) usage
$0 && exit 0;;
732 --rootfs) rootfs
=$2; shift 2;;
733 -p|
--path) path
=$2; shift 2;;
734 -n|
--name) name
=$2; shift 2;;
735 -u|
--user) user
=$2; shift 2;;
736 --password) password
=$2; shift 2;;
737 -F|
--flush-cache) flushcache
=1; shift 1;;
738 -r|
--release) release
=$2; shift 2;;
739 -v|
--variant) variant
=$2; shift 2;;
740 --packages) packages
=$2; shift 2;;
741 -b|
--bindhome) bindhome
=$2; shift 2;;
742 -a|
--arch) arch
=$2; shift 2;;
743 -S|
--auth-key) auth_key
=$2; shift 2;;
744 -d|
--debug) debug
=1; shift 1;;
745 --mirror) MIRROR
=$2; shift 2;;
746 --security-mirror) SECURITY_MIRROR
=$2; shift 2;;
747 --) shift 1; break ;;
752 if [ $debug -eq 1 ]; then
756 if [ -n "$bindhome" ]; then
757 pwd=`getent passwd $bindhome`
758 if [ $?
-ne 0 ]; then
759 echo "Error: no password entry found for $bindhome"
765 if [ "$arch" = "i686" ]; then
769 if [ $hostarch = "i386" -a $arch = "amd64" ]; then
770 echo "can't create $arch container on $hostarch"
774 if [ $hostarch = "armhf" -o $hostarch = "armel" -o $hostarch = "arm64" ] && \
775 [ $arch != "armhf" -a $arch != "armel" -a $arch != "arm64" ]; then
776 echo "can't create $arch container on $hostarch"
780 if [ $arch = "arm64" ] && [ $hostarch != "arm64" ]; then
781 echo "can't create $arch container on $hostarch"
785 if [ $hostarch = "powerpc" -a $arch != "powerpc" ]; then
786 echo "can't create $arch container on $hostarch"
790 which debootstrap
>/dev
/null
2>&1 ||
{ echo "'debootstrap' command is missing" >&2; false
; }
792 if [ -z "$path" ]; then
793 echo "'path' parameter is required"
797 if [ "$(id -u)" != "0" ]; then
798 echo "This script should be run as 'root'"
803 config
="$path/config"
804 # if $rootfs exists here, it was passed in with --rootfs
805 if [ -z "$rootfs" ]; then
806 if grep -q '^lxc.rootfs' $config 2>/dev
/null
; then
807 rootfs
=$
(awk -F= '/^lxc.rootfs =/{ print $2 }' $config)
813 install_ubuntu
$rootfs $release $flushcache $LXC_CACHE_PATH
814 if [ $?
-ne 0 ]; then
815 echo "failed to install ubuntu $release"
819 configure_ubuntu
$rootfs $name $release $user $password
820 if [ $?
-ne 0 ]; then
821 echo "failed to configure ubuntu $release for a container"
825 copy_configuration
$path $rootfs $name $arch $release
826 if [ $?
-ne 0 ]; then
827 echo "failed write configuration file"
831 post_process
$rootfs $release $trim_container $packages
833 if [ -n "$bindhome" ]; then
834 do_bindhome
$rootfs $bindhome
835 finalize_user
$bindhome
842 if [ -n "$bindhome" ]; then
843 echo "# Log in as user $bindhome"
845 echo "# The default user is '$user' with password '$password'!"
846 echo "# Use the 'sudo' command to run tasks as root in the container."