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 : we pass $lxc around in functions,
23 # but in fact then we use lxc_root which is a global..
24 # it works, but this really is poor practice
25 # we should have an lxc_root function instead
31 # XXX fixme : when creating a 32bits VM we need to call linux32 as appropriate...s
35 DEFAULT_PERSONALITY=linux64
42 # the network interface name as seen from the container
46 FEDORA_MIRROR_BASE="http://mirror.onelab.eu/fedora/"
47 FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
48 FEDORA_PREINSTALLED="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
49 DEBIAN_PREINSTALLED="openssh-server openssh-client"
51 ########## networking utilities
52 function gethostbyname () {
54 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
57 # e.g. 21 -> 255.255.248.0
58 function masklen_to_netmask () {
63 if not (masklen>=1 and masklen<=32):
64 print "Wrong masklen",masklen
72 result.append(masklen)
74 print ".".join([ str(256-2**(8-i)) for i in result ])
79 ##############################
80 # return yum or debootstrap
81 function package_method () {
84 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
85 squeeze|wheezy|jessie|oneiric|precise|quantal|raring|saucy|trusty|utopic|vivid) echo debootstrap ;;
86 *) echo Unknown distro $fcdistro ;;
90 # return arch from debian distro and personality
91 function canonical_arch () {
94 case $(package_method $fcdistro) in
96 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
98 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
100 echo Unknown-arch-3 ;;
104 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
105 function almost_empty () {
107 # non existing is fine
108 [ ! -d $dir ] && return 0;
109 # need to have at most one file
110 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
113 ##############################
114 function fedora_install() {
119 lxc_root=$(lxcroot $lxc)
121 cache=/var/cache/lxc/fedora/$arch/$release
125 flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
127 if [ ! -e "$cache/rootfs" ]; then
128 echo "Getting cache download in $cache/rootfs ... "
129 fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
131 echo "Updating cache $cache/rootfs ..."
132 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
133 echo "Failed to update 'fedora base', continuing with last known good cache"
135 echo "Update finished"
139 echo "Filling $lxc_root from $cache/rootfs ... "
140 rsync -a $cache/rootfs/ $lxc_root/
149 function fedora_download() {
154 # check the mini fedora was not already downloaded
155 INSTALL_ROOT=$cache/partial
158 # download a mini fedora into a cache
159 echo "Downloading fedora minimal ..."
161 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
163 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
164 mkdir -p $INSTALL_ROOT/dev
165 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
166 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
168 # copy yum config and repo files
169 cp /etc/yum.conf $INSTALL_ROOT/etc/
170 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
172 # append fedora repo files with desired $release and $basearch
173 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
174 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
177 MIRROR_URL=$FEDORA_MIRROR_BASE/releases/$release/Everything/$arch/os
178 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
179 # with fedora18 the rpms are scattered by first name
180 # first try the second version of fedora-release first
181 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-2.noarch.rpm"
182 RELEASE_URL3="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
184 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
186 for attempt in $RELEASE_URL1 $RELEASE_URL2 $RELEASE_URL3; do
187 if curl -f $attempt -o $RELEASE_TARGET ; then
188 echo "Retrieved $attempt"
192 echo "Failed attempt $attempt"
195 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
197 mkdir -p $INSTALL_ROOT/var/lib/rpm
198 rpm --root $INSTALL_ROOT --initdb
199 # when installing f12 this apparently is already present, so ignore result
200 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
201 # however f12 root images won't get created on a f18 host
202 # (the issue here is the same as the one we ran into when dealing with a vs-box)
203 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
204 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
205 # with file from package filesystem-2.4.30-2.fc12.x86_64
206 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
207 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
208 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
209 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
211 YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
212 echo "$YUM install $FEDORA_PREINSTALLED"
213 $YUM install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
215 mv "$INSTALL_ROOT" "$cache/rootfs"
216 echo "Download complete."
221 ##############################
222 function fedora_configure() {
228 lxc_root=$(lxcroot $lxc)
230 # disable selinux in fedora
231 mkdir -p $lxc_root/selinux
232 echo 0 > $lxc_root/selinux/enforce
237 cat <<EOF > ${lxc_root}/etc/sysconfig/network
240 cat <<EOF > ${lxc_root}/etc/hostname
245 cat <<EOF > ${lxc_root}/etc/sysconfig/network
247 HOSTNAME=$GUEST_HOSTNAME
250 cat <<EOF > $lxc_root/etc/hosts
251 127.0.0.1 localhost $GUEST_HOSTNAME
256 dev_path="${lxc_root}/dev"
259 mknod -m 666 ${dev_path}/null c 1 3
260 mknod -m 666 ${dev_path}/zero c 1 5
261 mknod -m 666 ${dev_path}/random c 1 8
262 mknod -m 666 ${dev_path}/urandom c 1 9
263 mkdir -m 755 ${dev_path}/pts
264 mkdir -m 1777 ${dev_path}/shm
265 mknod -m 666 ${dev_path}/tty c 5 0
266 mknod -m 666 ${dev_path}/tty0 c 4 0
267 mknod -m 666 ${dev_path}/tty1 c 4 1
268 mknod -m 666 ${dev_path}/tty2 c 4 2
269 mknod -m 666 ${dev_path}/tty3 c 4 3
270 mknod -m 666 ${dev_path}/tty4 c 4 4
271 mknod -m 600 ${dev_path}/console c 5 1
272 mknod -m 666 ${dev_path}/full c 1 7
273 mknod -m 600 ${dev_path}/initctl p
274 mknod -m 666 ${dev_path}/ptmx c 5 2
276 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
277 fedora_configure_init $lxc
279 fedora_configure_systemd $lxc
282 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
283 ( [ -n "$NAT_MODE" ] && write_guest_ifcfg_natip || write_guest_ifcfg_publicip ) > $guest_ifcfg
285 [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
290 function fedora_configure_init() {
294 lxc_root=$(lxcroot $lxc)
296 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
297 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
298 # don't mount devpts, for pete's sake
299 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
300 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
301 chroot ${lxc_root} $personality chkconfig udev-post off
302 chroot ${lxc_root} $personality chkconfig network on
305 # this code of course is for guests that do run on systemd
306 function fedora_configure_systemd() {
310 lxc_root=$(lxcroot $lxc)
312 # so ignore if we can't find /etc/systemd at all
313 [ -d ${lxc_root}/etc/systemd ] || return 0
314 # otherwise let's proceed
315 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
316 touch ${lxc_root}/etc/fstab
317 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
318 # Thierry - Feb 2013 relying on getty is looking for trouble
319 # so, turning getty off for now instead
320 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
321 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
322 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
323 # can't seem to handle this one with systemctl
324 chroot ${lxc_root} $personality chkconfig network on
327 # overwrite container yum config
328 function fedora_configure_yum () {
337 lxc_root=$(lxcroot $lxc)
339 chroot ${lxc_root} $personality rpm --rebuilddb
341 echo "Initializing yum.repos.d in $lxc"
342 rm -f $lxc_root/etc/yum.repos.d/*
344 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
346 name=Fedora \$releasever - \$basearch
347 baseurl=$FEDORA_MIRROR_BASE/releases/\$releasever/Everything/\$basearch/os/
351 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
354 name=Fedora \$releasever - \$basearch - Updates
355 baseurl=$FEDORA_MIRROR_BASE/updates/\$releasever/\$basearch/
359 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
362 # for using this script as a general-purpose lxc creation wrapper
363 # just mention 'none' as the repo url
364 if [ -n "$REPO_URL" ] ; then
365 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
366 echo "WARNING : cannot create myplc repo"
368 # exclude kernel from fedora repos
369 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
370 for repo in $lxc_root/etc/yum.repos.d/* ; do
371 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
373 # the build repo is not signed at this stage
374 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
385 ##############################
386 # apparently ubuntu exposes a mirrors list by country at
387 # http://mirrors.ubuntu.com/mirrors.txt
388 # need to specify the right mirror for debian variants like ubuntu and the like
389 function debian_mirror () {
392 squeeze|wheezy|jessie)
393 echo http://ftp2.fr.debian.org/debian/ ;;
394 oneiric|precise|quantal|raring|saucy|trusty|utopic|vivid)
395 # echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
396 echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
397 *) echo unknown distro $fcdistro; exit 1;;
401 function debian_install () {
405 lxc_root=$(lxcroot $lxc)
407 arch=$(canonical_arch $personality $fcdistro)
408 mirror=$(debian_mirror $fcdistro)
409 debootstrap --no-check-gpg --arch $arch $fcdistro $lxc_root $mirror
410 # just like with fedora we ensure a few packages get installed as well
412 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
413 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
414 chroot ${lxc_root} $personality apt-get update
415 chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
417 cat <<EOF > ${lxc_root}/etc/hostname
423 function debian_configure () {
424 guest_interfaces=${lxc_root}/etc/network/interfaces
425 ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
428 function write_guest_interfaces_natip () {
431 iface $VIF_GUEST inet dhcp
435 function write_guest_interfaces_publicip () {
438 iface $VIF_GUEST inet static
444 ##############################
445 function setup_lxc() {
449 #trap failure ERR INT
454 personality=$1; shift
456 lxc_root=$(lxcroot $lxc)
458 # create lxc container
460 pkg_method=$(package_method $fcdistro)
463 if [ -z "$IMAGE" ]; then
464 fedora_install $lxc || { echo "failed to install fedora root image"; exit 1 ; }
466 fedora_configure $lxc || { echo "failed to configure fedora for a container"; exit 1 ; }
469 if [ -z "$IMAGE" ]; then
470 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
472 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
475 echo "$COMMAND:: unknown package_method - exiting"
480 # Enable cgroup -- xxx -- is this really useful ?
481 [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
483 ### set up resolv.conf from host
484 # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
485 [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
486 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
487 ### and /etc/hosts for at least localhost
488 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
490 # grant ssh access from host to guest
491 mkdir -p $lxc_root/root/.ssh
492 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
493 chmod 700 $lxc_root/root/.ssh
494 chmod 600 $lxc_root/root/.ssh/authorized_keys
496 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
497 config_xml=/tmp/$lxc.xml
498 ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
500 # define lxc container for libvirt
501 virsh -c lxc:/// define $config_xml
506 # this part does not belong in a domain any more
507 # but goes in a network object of its own existence
509 # <name>host-bridge</name>
510 # <forward mode="bridge"/>
511 # <bridge name="br0"/>
515 function write_lxc_xml_publicip () {
517 lxc_root=$(lxcroot $lxc)
521 <memory>$MEMORY</memory>
523 <type arch='$arch2'>exe</type>
524 <init>/sbin/init</init>
530 <clock offset='utc'/>
531 <on_poweroff>destroy</on_poweroff>
532 <on_reboot>restart</on_reboot>
533 <on_crash>destroy</on_crash>
535 <emulator>/usr/libexec/libvirt_lxc</emulator>
536 <filesystem type='mount'>
537 <source dir='$lxc_root'/>
540 <interface type="bridge">
541 <source bridge="$PUBLIC_BRIDGE"/>
542 <target dev='$VIF_HOST'/>
544 <console type='pty' />
550 # grant build guests the ability to do mknods
551 function write_lxc_xml_natip () {
553 lxc_root=$(lxcroot $lxc)
557 <memory>$MEMORY</memory>
559 <type arch='$arch2'>exe</type>
560 <init>/sbin/init</init>
564 <capabilities policy='default'>
569 <clock offset='utc'/>
570 <on_poweroff>destroy</on_poweroff>
571 <on_reboot>restart</on_reboot>
572 <on_crash>destroy</on_crash>
574 <emulator>/usr/libexec/libvirt_lxc</emulator>
575 <filesystem type='mount'>
576 <source dir='$lxc_root'/>
579 <interface type="network">
580 <source network="default"/>
582 <console type='pty' />
588 # this one is dhcp-based
589 function write_guest_ifcfg_natip () {
600 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
601 function write_guest_ifcfg_publicip () {
606 HOSTNAME=$GUEST_HOSTNAME
616 function devel_or_test_tools () {
625 personality=$1; shift
627 lxc_root=$(lxcroot $lxc)
629 pkg_method=$(package_method $fcdistro)
631 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
633 ### install individual packages, then groups
634 # get target arch - use uname -i here (we want either x86_64 or i386)
636 lxc_arch=$(chroot ${lxc_root} $personality uname -i)
637 # on debian systems we get arch through the 'arch' command
638 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
640 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
641 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
643 case "$pkg_method" in
645 [ -n "$packages" ] && chroot ${lxc_root} $personality yum -y install $packages
646 for group_plus in $groups; do
647 group=$(echo $group_plus | sed -e "s,+++, ,g")
648 chroot ${lxc_root} $personality yum -y groupinstall "$group"
650 # store current rpm list in /init-lxc.rpms in case we need to check the contents
651 chroot ${lxc_root} $personality rpm -aq > $lxc_root/init-lxc.rpms
655 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
656 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
657 # we need at least to add the 'universe' feed for python-rpm
658 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
659 # also adding a link to updates sounds about right
660 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
661 # tell apt about the changes
662 chroot /vservers/$lxc apt-get update
664 for package in $packages ; do
665 # container not started yet
666 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get install -y $package" || :
667 chroot ${lxc_root} $personality apt-get install -y $package || :
669 ### xxx todo install groups with apt..
672 echo "unknown pkg_method $pkg_method"
679 function post_install () {
681 personality=$1; shift
682 lxc_root=$(lxcroot $lxc)
683 # setup localtime from the host
684 cp /etc/localtime $lxc_root/etc/localtime
685 sshd_disable_password_auth $lxc
687 [ -n "$NAT_MODE" ] && post_install_natip $lxc $personality || post_install_myplc $lxc $personality
688 # start the VM unless specified otherwise
689 if [ -n "$START_VM" ] ; then
690 echo Starting guest $lxc
691 virsh -c lxc:/// start $lxc
692 if [ -n "$NAT_MODE" ] ; then
695 wait_for_ssh $lxc $GUEST_IP
700 # just in case, let's stay on the safe side
701 function sshd_disable_password_auth () {
703 lxc_root=$(lxcroot $lxc)
704 sed --in-place=.password -e 's,^#\?PasswordAuthentication.*,PasswordAuthentication no,' \
705 $lxc_root/etc/ssh/sshd_config
708 function post_install_natip () {
715 personality=$1; shift
716 lxc_root=$(lxcroot $lxc)
718 ### From myplc-devel-native.spec
719 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
720 cat << EOF | chroot ${lxc_root} $personality bash -x
722 # customize root's prompt
723 /bin/cat << PROFILE > /root/.profile
724 export PS1="[$lxc] \\w # "
731 function post_install_myplc () {
737 personality=$1; shift
738 lxc_root=$(lxcroot $lxc)
740 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
741 cat << EOF | chroot ${lxc_root} $personality bash -x
743 # create /etc/sysconfig/network if missing
744 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
746 # turn off regular crond, as plc invokes plc_crond
747 /sbin/chkconfig crond off
749 # customize root's prompt
750 /bin/cat << PROFILE > /root/.profile
751 export PS1="[$lxc] \\w # "
757 ########################################
758 # workaround for broken lxc-enter-namespace
759 # 1st version was relying on virsh net-dhcp-leases
760 # however this was too fragile, would not work for fedora14 containers
761 # WARNING: this code is duplicated in lbuild-nightly.sh
762 function guest_ipv4() {
765 mac=$(virsh -c lxc:/// domiflist $lxc | egrep 'network|bridge' | awk '{print $5;}')
767 [ -z "$mac" ] && return 0
768 arp -en | grep "$mac" | awk '{print $1;}'
771 function wait_for_ssh () {
777 # if run in public_ip mode, we know the IP of the guest and it is specified here
778 [ -n "$1" ] && { guest_ip=$1; shift; }
780 #wait max 2 min for sshd to start
782 current_time=$(date +%s)
783 stop_time=$(($current_time + 120))
786 while [ "$current_time" -lt "$stop_time" ] ; do
787 echo "$counter-th attempt to reach sshd in container $lxc ..."
788 [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc)
789 [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip 'uname -i' && {
790 success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
791 counter=$(($counter+1))
793 current_time=$(date +%s)
796 # Thierry: this is fatal, let's just exit with a failure here
797 [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
802 function failure () {
803 echo "$COMMAND : Bailing out"
809 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
810 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
812 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
813 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
814 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
816 echo "Supported options"
817 echo " -n hostname - the hostname to use in container"
818 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
819 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
820 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
821 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
822 echo " -P pkgs_file - defines a set of extra packages to install in guest"
823 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
824 echo " -i image - the location of the rootfs"
825 echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
826 echo " -s do not start VM"
827 echo " -v be verbose"
835 #trap failure ERR INT
837 if [ "$(id -u)" != "0" ]; then
838 echo "This script should be run as 'root'"
843 while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
845 n) GUEST_HOSTNAME=$OPTARG;;
846 f) fcdistro=$OPTARG;;
847 d) pldistro=$OPTARG;;
848 p) personality=$OPTARG;;
849 r) REPO_URL=$OPTARG;;
850 P) PREINSTALLED=$OPTARG;;
854 v) VERBOSE=true; set -x;;
859 shift $(($OPTIND - 1))
861 # parse fixed arguments
862 [[ -z "$@" ]] && usage
864 lxc_root=$(lxcroot $lxc)
867 almost_empty $lxc_root || \
868 { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
869 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
870 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
873 # if IMAGE, copy the provided rootfs to lxc_root
874 if [ -n "$IMAGE" ] ; then
875 [ ! -d "$IMAGE" ] && \
876 { echo "$IMAGE rootfs folder does not exist - exiting" ; exit 1 ; }
877 rsync -a $IMAGE/ $lxc_root/
880 # check we've exhausted the arguments
881 [[ -n "$@" ]] && usage
883 # NAT_MODE is true unless we specified a hostname
884 [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
887 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
888 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
889 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
890 [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
893 MEMORY=$(($MEMORY * 1024))
895 # the set of preinstalled packages - depends on mode
896 if [ -z "$PREINSTALLED" ] ; then
897 if [ -n "$NAT_MODE" ] ; then
898 PREINSTALLED=devel.pkgs
900 PREINSTALLED=runtime.pkgs
904 if [ -n "$NAT_MODE" ] ; then
905 # we can now set GUEST_HOSTNAME safely
906 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
908 # as this command can be used in other contexts, not specifying
909 # a repo is considered a warning
910 # use -r none to get rid of this warning
911 if [ "$REPO_URL" == "none" ] ; then
913 elif [ -z "$REPO_URL" ] ; then
914 echo "WARNING -- setting up a yum repo is recommended"
919 release=$(echo $fcdistro | cut -df -f2)
921 if [ "$personality" == "linux32" ]; then
924 elif [ "$personality" == "linux64" ]; then
928 echo "Unknown personality: $personality"
931 # compute networking details for the test mode
932 # (build mode relies entirely on dhcp on the private subnet)
933 if [ -z "$NAT_MODE" ] ; then
935 #create_bridge_if_needed $PUBLIC_BRIDGE
936 lbuild-bridge.sh $PUBLIC_BRIDGE
938 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
939 # use same NETMASK as bridge interface br0
940 masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
941 NETMASK=$(masklen_to_netmask $masklen)
942 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
943 VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
946 setup_lxc $lxc $fcdistro $pldistro $personality
948 # historically this command is for setting up a build or a test VM
949 # kind of patchy right now though
950 devel_or_test_tools $lxc $fcdistro $pldistro $personality
952 # container gets started here
953 post_install $lxc $personality