4 # close stdin, as with ubuntu and debian VMs this script tends to hang and wait for input ..
13 # pkgs parsing utilities + lbuild-bridge.sh
14 export PATH=$(dirname $0):$PATH
16 # old guests have e.g. mount in /bin but this is no longer part of
17 # the standard PATH in recent hosts after usrmove, so let's keep it simple
18 export PATH=$PATH:/bin:/sbin
22 # XXX fixme : when creating a 32bits VM we need to call linux32 as appropriate...s
26 DEFAULT_PERSONALITY=linux64
33 # the network interface name as seen from the container
37 FEDORA_MIRROR_BASE="http://mirror.onelab.eu/fedora/"
38 FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
39 FEDORA_PREINSTALLED="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
40 DEBIAN_PREINSTALLED="openssh-server openssh-client"
42 ########## networking utilities
43 function gethostbyname () {
45 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
48 # e.g. 21 -> 255.255.248.0
49 function masklen_to_netmask () {
54 if not (masklen>=1 and masklen<=32):
55 print "Wrong masklen",masklen
63 result.append(masklen)
65 print ".".join([ str(256-2**(8-i)) for i in result ])
70 ##############################
71 # return yum or debootstrap
72 function package_method () {
75 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
76 squeeze|wheezy|jessie|oneiric|precise|quantal|raring|saucy|trusty|utopic) echo debootstrap ;;
77 *) echo Unknown distro $fcdistro ;;
81 # return arch from debian distro and personality
82 function canonical_arch () {
85 case $(package_method $fcdistro) in
87 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
89 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
91 echo Unknown-arch-3 ;;
95 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
96 function almost_empty () {
98 # non existing is fine
99 [ ! -d $dir ] && return 0;
100 # need to have at most one file
101 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
104 ##############################
105 function fedora_install() {
109 cache=/var/cache/lxc/fedora/$arch/$release
113 flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
115 if [ ! -e "$cache/rootfs" ]; then
116 echo "Getting cache download in $cache/rootfs ... "
117 fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
119 echo "Updating cache $cache/rootfs ..."
120 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
121 echo "Failed to update 'fedora base', continuing with last known good cache"
123 echo "Update finished"
127 echo "Filling $lxc_root from $cache/rootfs ... "
128 rsync -a $cache/rootfs/ $lxc_root/
137 function fedora_download() {
142 # check the mini fedora was not already downloaded
143 INSTALL_ROOT=$cache/partial
146 # download a mini fedora into a cache
147 echo "Downloading fedora minimal ..."
149 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
151 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
152 mkdir -p $INSTALL_ROOT/dev
153 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
154 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
156 # copy yum config and repo files
157 cp /etc/yum.conf $INSTALL_ROOT/etc/
158 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
160 # append fedora repo files with desired $release and $basearch
161 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
162 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
165 MIRROR_URL=$FEDORA_MIRROR_BASE/releases/$release/Everything/$arch/os
166 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
167 # with fedora18 the rpms are scattered by first name
168 # first try the second version of fedora-release first
169 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-2.noarch.rpm"
170 RELEASE_URL3="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
172 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
174 for attempt in $RELEASE_URL1 $RELEASE_URL2 $RELEASE_URL3; do
175 if curl -f $attempt -o $RELEASE_TARGET ; then
176 echo "Retrieved $attempt"
180 echo "Failed attempt $attempt"
183 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
185 mkdir -p $INSTALL_ROOT/var/lib/rpm
186 rpm --root $INSTALL_ROOT --initdb
187 # when installing f12 this apparently is already present, so ignore result
188 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
189 # however f12 root images won't get created on a f18 host
190 # (the issue here is the same as the one we ran into when dealing with a vs-box)
191 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
192 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
193 # with file from package filesystem-2.4.30-2.fc12.x86_64
194 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
195 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
196 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
197 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
199 YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
200 echo "$YUM install $FEDORA_PREINSTALLED"
201 $YUM install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
203 mv "$INSTALL_ROOT" "$cache/rootfs"
204 echo "Download complete."
209 ##############################
210 function fedora_configure() {
215 # disable selinux in fedora
216 mkdir -p $lxc_root/selinux
217 echo 0 > $lxc_root/selinux/enforce
222 cat <<EOF > ${lxc_root}/etc/sysconfig/network
225 cat <<EOF > ${lxc_root}/etc/hostname
230 cat <<EOF > ${lxc_root}/etc/sysconfig/network
232 HOSTNAME=$GUEST_HOSTNAME
235 cat <<EOF > $lxc_root/etc/hosts
236 127.0.0.1 localhost $GUEST_HOSTNAME
241 dev_path="${lxc_root}/dev"
244 mknod -m 666 ${dev_path}/null c 1 3
245 mknod -m 666 ${dev_path}/zero c 1 5
246 mknod -m 666 ${dev_path}/random c 1 8
247 mknod -m 666 ${dev_path}/urandom c 1 9
248 mkdir -m 755 ${dev_path}/pts
249 mkdir -m 1777 ${dev_path}/shm
250 mknod -m 666 ${dev_path}/tty c 5 0
251 mknod -m 666 ${dev_path}/tty0 c 4 0
252 mknod -m 666 ${dev_path}/tty1 c 4 1
253 mknod -m 666 ${dev_path}/tty2 c 4 2
254 mknod -m 666 ${dev_path}/tty3 c 4 3
255 mknod -m 666 ${dev_path}/tty4 c 4 4
256 mknod -m 600 ${dev_path}/console c 5 1
257 mknod -m 666 ${dev_path}/full c 1 7
258 mknod -m 600 ${dev_path}/initctl p
259 mknod -m 666 ${dev_path}/ptmx c 5 2
261 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
262 fedora_configure_init
264 fedora_configure_systemd
267 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
268 ( [ -n "$NAT_MODE" ] && write_guest_ifcfg_natip || write_guest_ifcfg_publicip ) > $guest_ifcfg
270 [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
275 function fedora_configure_init() {
278 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
279 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
280 # don't mount devpts, for pete's sake
281 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
282 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
283 chroot ${lxc_root} $personality chkconfig udev-post off
284 chroot ${lxc_root} $personality chkconfig network on
287 # this code of course is for guests that do run on systemd
288 function fedora_configure_systemd() {
291 # so ignore if we can't find /etc/systemd at all
292 [ -d ${lxc_root}/etc/systemd ] || return 0
293 # otherwise let's proceed
294 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
295 touch ${lxc_root}/etc/fstab
296 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
297 # Thierry - Feb 2013 relying on getty is looking for trouble
298 # so, turning getty off for now instead
299 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
300 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
301 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
302 # can't seem to handle this one with systemctl
303 chroot ${lxc_root} $personality chkconfig network on
306 # overwrite container yum config
307 function fedora_configure_yum () {
317 chroot ${lxc_root} $personality rpm --rebuilddb
319 echo "Initializing yum.repos.d in $lxc"
320 rm -f $lxc_root/etc/yum.repos.d/*
322 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
324 name=Fedora \$releasever - \$basearch
325 baseurl=$FEDORA_MIRROR_BASE/releases/\$releasever/Everything/\$basearch/os/
329 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
332 name=Fedora \$releasever - \$basearch - Updates
333 baseurl=$FEDORA_MIRROR_BASE/updates/\$releasever/\$basearch/
337 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
340 # for using this script as a general-purpose lxc creation wrapper
341 # just mention 'none' as the repo url
342 if [ -n "$REPO_URL" ] ; then
343 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
344 echo "WARNING : cannot create myplc repo"
346 # exclude kernel from fedora repos
347 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
348 for repo in $lxc_root/etc/yum.repos.d/* ; do
349 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
351 # the build repo is not signed at this stage
352 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
363 ##############################
364 # need to specify the right mirror for debian variants like ubuntu and the like
365 function debian_mirror () {
368 squeeze|wheezy|jessie)
369 echo http://ftp2.fr.debian.org/debian/ ;;
370 oneiric|precise|quantal|raring|saucy|trusty|utopic)
371 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
372 *) echo unknown distro $fcdistro; exit 1;;
376 function debian_install () {
381 arch=$(canonical_arch $personality $fcdistro)
382 mirror=$(debian_mirror $fcdistro)
383 debootstrap --arch $arch $fcdistro $lxc_root $mirror
384 # just like with fedora we ensure a few packages get installed as well
386 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
387 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
388 chroot ${lxc_root} $personality apt-get update
389 chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
391 cat <<EOF > ${lxc_root}/etc/hostname
397 function debian_configure () {
398 guest_interfaces=${lxc_root}/etc/network/interfaces
399 ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
402 function write_guest_interfaces_natip () {
405 iface $VIF_GUEST inet dhcp
409 function write_guest_interfaces_publicip () {
412 iface $VIF_GUEST inet static
418 ##############################
419 function setup_lxc() {
423 #trap failure ERR INT
428 personality=$1; shift
430 # create lxc container
432 pkg_method=$(package_method $fcdistro)
435 if [ -z "$IMAGE" ]; then
436 fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
438 fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
441 if [ -z "$IMAGE" ]; then
442 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
444 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
447 echo "$COMMAND:: unknown package_method - exiting"
452 # Enable cgroup -- xxx -- is this really useful ?
453 [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
455 ### set up resolv.conf from host
456 # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
457 [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
458 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
459 ### and /etc/hosts for at least localhost
460 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
462 # grant ssh access from host to guest
463 mkdir -p $lxc_root/root/.ssh
464 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
465 chmod 700 $lxc_root/root/.ssh
466 chmod 600 $lxc_root/root/.ssh/authorized_keys
468 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
469 config_xml=/tmp/$lxc.xml
470 ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
472 # define lxc container for libvirt
473 virsh -c lxc:/// define $config_xml
478 # this part does not belong in a domain any more
479 # but goes in a network object of its own existence
481 # <name>host-bridge</name>
482 # <forward mode="bridge"/>
483 # <bridge name="br0"/>
487 function write_lxc_xml_publicip () {
492 <memory>$MEMORY</memory>
494 <type arch='$arch2'>exe</type>
495 <init>/sbin/init</init>
501 <clock offset='utc'/>
502 <on_poweroff>destroy</on_poweroff>
503 <on_reboot>restart</on_reboot>
504 <on_crash>destroy</on_crash>
506 <emulator>/usr/libexec/libvirt_lxc</emulator>
507 <filesystem type='mount'>
508 <source dir='$lxc_root'/>
511 <interface type="bridge">
512 <source bridge="$PUBLIC_BRIDGE"/>
513 <target dev='$VIF_HOST'/>
515 <console type='pty' />
521 # grant build guests the ability to do mknods
522 function write_lxc_xml_natip () {
527 <memory>$MEMORY</memory>
529 <type arch='$arch2'>exe</type>
530 <init>/sbin/init</init>
534 <capabilities policy='default'>
539 <clock offset='utc'/>
540 <on_poweroff>destroy</on_poweroff>
541 <on_reboot>restart</on_reboot>
542 <on_crash>destroy</on_crash>
544 <emulator>/usr/libexec/libvirt_lxc</emulator>
545 <filesystem type='mount'>
546 <source dir='$lxc_root'/>
549 <interface type="network">
550 <source network="default"/>
552 <console type='pty' />
558 # this one is dhcp-based
559 function write_guest_ifcfg_natip () {
570 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
571 function write_guest_ifcfg_publicip () {
576 HOSTNAME=$GUEST_HOSTNAME
586 function devel_or_test_tools () {
595 personality=$1; shift
597 pkg_method=$(package_method $fcdistro)
599 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
601 ### install individual packages, then groups
602 # get target arch - use uname -i here (we want either x86_64 or i386)
604 lxc_arch=$(chroot ${lxc_root} $personality uname -i)
605 # on debian systems we get arch through the 'arch' command
606 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
608 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
609 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
611 case "$pkg_method" in
613 [ -n "$packages" ] && chroot ${lxc_root} $personality yum -y install $packages
614 for group_plus in $groups; do
615 group=$(echo $group_plus | sed -e "s,+++, ,g")
616 chroot ${lxc_root} $personality yum -y groupinstall "$group"
618 # store current rpm list in /init-lxc.rpms in case we need to check the contents
619 chroot ${lxc_root} $personality rpm -aq > $lxc_root/init-lxc.rpms
623 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
624 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
625 # we need at least to add the 'universe' feed for python-rpm
626 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
627 # also adding a link to updates sounds about right
628 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
629 # tell apt about the changes
630 chroot /vservers/$lxc apt-get update
632 for package in $packages ; do
633 # container not started yet
634 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get install -y $package" || :
635 chroot ${lxc_root} $personality apt-get install -y $package || :
637 ### xxx todo install groups with apt..
640 echo "unknown pkg_method $pkg_method"
647 function post_install () {
649 personality=$1; shift
650 # setup localtime from the host
651 cp /etc/localtime $lxc_root/etc/localtime
653 [ -n "$NAT_MODE" ] && post_install_natip $lxc $personality || post_install_myplc $lxc $personality
654 # start the VM unless specified otherwise
655 if [ -n "$START_VM" ] ; then
656 echo Starting guest $lxc
657 virsh -c lxc:/// start $lxc
658 if [ -n "$NAT_MODE" ] ; then
661 wait_for_ssh $lxc $GUEST_IP
666 function post_install_natip () {
673 personality=$1; shift
675 ### From myplc-devel-native.spec
676 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
677 cat << EOF | chroot ${lxc_root} $personality bash -x
679 # customize root's prompt
680 /bin/cat << PROFILE > /root/.profile
681 export PS1="[$lxc] \\w # "
688 function post_install_myplc () {
694 personality=$1; shift
696 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
697 cat << EOF | chroot ${lxc_root} $personality bash -x
699 # create /etc/sysconfig/network if missing
700 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
702 # turn off regular crond, as plc invokes plc_crond
703 /sbin/chkconfig crond off
705 # customize root's prompt
706 /bin/cat << PROFILE > /root/.profile
707 export PS1="[$lxc] \\w # "
713 function wait_for_ssh () {
719 # if run in public_ip mode, we know the IP of the guest and it is specified here
720 [ -n "$1" ] && { guest_ip=$1; shift; }
722 #wait max 2 min for sshd to start
724 current_time=$(date +%s)
725 stop_time=$(($current_time + 120))
728 while [ "$current_time" -lt "$stop_time" ] ; do
729 echo "$counter-th attempt to reach sshd in container $lxc ..."
730 [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc)
731 [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip 'uname -i' && {
732 success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
733 counter=$(($counter+1))
735 current_time=$(date +%s)
738 # Thierry: this is fatal, let's just exit with a failure here
739 [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
744 function failure () {
745 echo "$COMMAND : Bailing out"
751 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
752 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
754 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
755 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
756 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
758 echo "Supported options"
759 echo " -n hostname - the hostname to use in container"
760 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
761 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
762 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
763 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
764 echo " -P pkgs_file - defines a set of extra packages to install in guest"
765 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
766 echo " -i image - the location of the rootfs"
767 echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
768 echo " -s do not start VM"
769 echo " -v be verbose"
777 #trap failure ERR INT
779 if [ "$(id -u)" != "0" ]; then
780 echo "This script should be run as 'root'"
785 while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
787 n) GUEST_HOSTNAME=$OPTARG;;
788 f) fcdistro=$OPTARG;;
789 d) pldistro=$OPTARG;;
790 p) personality=$OPTARG;;
791 r) REPO_URL=$OPTARG;;
792 P) PREINSTALLED=$OPTARG;;
796 v) VERBOSE=true; set -x;;
801 shift $(($OPTIND - 1))
803 # parse fixed arguments
804 [[ -z "$@" ]] && usage
806 lxc_root=/vservers/$lxc
809 almost_empty $lxc_root || \
810 { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
811 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
812 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
815 # if IMAGE, copy the provided rootfs to lxc_root
816 if [ -n "$IMAGE" ] ; then
817 [ ! -d "$IMAGE" ] && \
818 { echo "$IMAGE rootfs folder does not exist - exiting" ; exit 1 ; }
819 rsync -a $IMAGE/ $lxc_root/
823 # check we've exhausted the arguments
824 [[ -n "$@" ]] && usage
826 # NAT_MODE is true unless we specified a hostname
827 [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
830 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
831 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
832 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
833 [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
836 MEMORY=$(($MEMORY * 1024))
838 # the set of preinstalled packages - depends on mode
839 if [ -z "$PREINSTALLED" ] ; then
840 if [ -n "$NAT_MODE" ] ; then
841 PREINSTALLED=devel.pkgs
843 PREINSTALLED=runtime.pkgs
847 if [ -n "$NAT_MODE" ] ; then
848 # we can now set GUEST_HOSTNAME safely
849 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
851 # as this command can be used in other contexts, not specifying
852 # a repo is considered a warning
853 # use -r none to get rid of this warning
854 if [ "$REPO_URL" == "none" ] ; then
856 elif [ -z "$REPO_URL" ] ; then
857 echo "WARNING -- setting up a yum repo is recommended"
862 release=$(echo $fcdistro | cut -df -f2)
864 if [ "$personality" == "linux32" ]; then
867 elif [ "$personality" == "linux64" ]; then
871 echo "Unknown personality: $personality"
874 # compute networking details for the test mode
875 # (build mode relies entirely on dhcp on the private subnet)
876 if [ -z "$NAT_MODE" ] ; then
878 #create_bridge_if_needed $PUBLIC_BRIDGE
879 lbuild-bridge.sh $PUBLIC_BRIDGE
881 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
882 # use same NETMASK as bridge interface br0
883 masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
884 NETMASK=$(masklen_to_netmask $masklen)
885 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
886 VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
889 setup_lxc $lxc $fcdistro $pldistro $personality
891 # historically this command is for setting up a build or a test VM
892 # kind of patchy right now though
893 devel_or_test_tools $lxc $fcdistro $pldistro $personality
895 # container gets started here
896 post_install $lxc $personality