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]*)
86 wheezy|jessie|precise|trusty|utopic|vivid|wily)
89 echo Unknown distro $fcdistro ;;
93 # return arch from debian distro and personality
94 function canonical_arch () {
97 case $(package_method $fcdistro) in
99 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
101 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
103 echo Unknown-arch-3 ;;
107 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
108 function almost_empty () {
110 # non existing is fine
111 [ ! -d $dir ] && return 0;
112 # need to have at most one file
113 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
116 ##############################
117 function fedora_install() {
122 lxc_root=$(lxcroot $lxc)
124 cache=/var/cache/lxc/fedora/$arch/$release
128 flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
130 if [ ! -e "$cache/rootfs" ]; then
131 echo "Getting cache download in $cache/rootfs ... "
132 fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
134 echo "Updating cache $cache/rootfs ..."
135 if ! yum --installroot $cache/rootfs --releasever $release -y --nogpgcheck update ; then
136 echo "Failed to update 'fedora base', continuing with last known good cache"
138 echo "Update finished"
142 echo "Filling $lxc_root from $cache/rootfs ... "
143 rsync -a $cache/rootfs/ $lxc_root/
152 function fedora_download() {
157 # check the mini fedora was not already downloaded
158 INSTALL_ROOT=$cache/partial
161 # download a mini fedora into a cache
162 echo "Downloading fedora minimal ..."
164 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
166 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
167 mkdir -p $INSTALL_ROOT/dev
168 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
169 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
171 # copy yum config and repo files
172 cp /etc/yum.conf $INSTALL_ROOT/etc/
173 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
175 # append fedora repo files with desired $release and $basearch
176 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
177 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
180 MIRROR_URL=$FEDORA_MIRROR_BASE/releases/$release/Everything/$arch/os
181 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
182 # with fedora18 the rpms are scattered by first name
183 # first try the second version of fedora-release first
184 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-2.noarch.rpm"
185 RELEASE_URL3="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
187 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
189 for attempt in $RELEASE_URL1 $RELEASE_URL2 $RELEASE_URL3; do
190 if curl -f $attempt -o $RELEASE_TARGET ; then
191 echo "Retrieved $attempt"
195 echo "Failed attempt $attempt"
198 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
200 mkdir -p $INSTALL_ROOT/var/lib/rpm
201 rpm --root $INSTALL_ROOT --initdb
202 # when installing f12 this apparently is already present, so ignore result
203 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
204 # however f12 root images won't get created on a f18 host
205 # (the issue here is the same as the one we ran into when dealing with a vs-box)
206 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
207 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
208 # with file from package filesystem-2.4.30-2.fc12.x86_64
209 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
210 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
211 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
212 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
214 YUM="yum --installroot=$INSTALL_ROOT --releasever=$release --nogpgcheck -y"
215 echo "$YUM install $FEDORA_PREINSTALLED"
216 $YUM install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
218 mv "$INSTALL_ROOT" "$cache/rootfs"
219 echo "Download complete."
224 ##############################
225 function fedora_configure() {
231 lxc_root=$(lxcroot $lxc)
233 # disable selinux in fedora
234 mkdir -p $lxc_root/selinux
235 echo 0 > $lxc_root/selinux/enforce
240 cat <<EOF > ${lxc_root}/etc/sysconfig/network
243 cat <<EOF > ${lxc_root}/etc/hostname
248 cat <<EOF > ${lxc_root}/etc/sysconfig/network
250 HOSTNAME=$GUEST_HOSTNAME
253 cat <<EOF > $lxc_root/etc/hosts
254 127.0.0.1 localhost $GUEST_HOSTNAME
259 dev_path="${lxc_root}/dev"
262 mknod -m 666 ${dev_path}/null c 1 3
263 mknod -m 666 ${dev_path}/zero c 1 5
264 mknod -m 666 ${dev_path}/random c 1 8
265 mknod -m 666 ${dev_path}/urandom c 1 9
266 mkdir -m 755 ${dev_path}/pts
267 mkdir -m 1777 ${dev_path}/shm
268 mknod -m 666 ${dev_path}/tty c 5 0
269 mknod -m 666 ${dev_path}/tty0 c 4 0
270 mknod -m 666 ${dev_path}/tty1 c 4 1
271 mknod -m 666 ${dev_path}/tty2 c 4 2
272 mknod -m 666 ${dev_path}/tty3 c 4 3
273 mknod -m 666 ${dev_path}/tty4 c 4 4
274 mknod -m 600 ${dev_path}/console c 5 1
275 mknod -m 666 ${dev_path}/full c 1 7
276 mknod -m 600 ${dev_path}/initctl p
277 mknod -m 666 ${dev_path}/ptmx c 5 2
279 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
280 fedora_configure_init $lxc
282 fedora_configure_systemd $lxc
285 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
286 ( [ -n "$NAT_MODE" ] && write_guest_ifcfg_natip || write_guest_ifcfg_publicip ) > $guest_ifcfg
288 [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
293 function fedora_configure_init() {
297 lxc_root=$(lxcroot $lxc)
299 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
300 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
301 # don't mount devpts, for pete's sake
302 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
303 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
304 chroot ${lxc_root} $personality chkconfig udev-post off
305 chroot ${lxc_root} $personality chkconfig network on
308 # this code of course is for guests that do run on systemd
309 function fedora_configure_systemd() {
313 lxc_root=$(lxcroot $lxc)
315 # so ignore if we can't find /etc/systemd at all
316 [ -d ${lxc_root}/etc/systemd ] || return 0
317 # otherwise let's proceed
318 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
319 touch ${lxc_root}/etc/fstab
320 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
321 # Thierry - Feb 2013 relying on getty is looking for trouble
322 # so, turning getty off for now instead
323 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
324 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
325 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
326 # can't seem to handle this one with systemctl
327 chroot ${lxc_root} $personality chkconfig network on
330 # overwrite container yum config
331 function fedora_configure_yum () {
340 lxc_root=$(lxcroot $lxc)
342 chroot ${lxc_root} $personality rpm --rebuilddb
344 echo "Initializing yum.repos.d in $lxc"
345 rm -f $lxc_root/etc/yum.repos.d/*
347 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
349 name=Fedora \$releasever - \$basearch
350 baseurl=$FEDORA_MIRROR_BASE/releases/\$releasever/Everything/\$basearch/os/
354 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
357 name=Fedora \$releasever - \$basearch - Updates
358 baseurl=$FEDORA_MIRROR_BASE/updates/\$releasever/\$basearch/
362 gpgkey=$FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-$release-primary
365 # for using this script as a general-purpose lxc creation wrapper
366 # just mention 'none' as the repo url
367 if [ -n "$REPO_URL" ] ; then
368 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
369 echo "WARNING : cannot create myplc repo"
371 # exclude kernel from fedora repos
372 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
373 for repo in $lxc_root/etc/yum.repos.d/* ; do
374 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
376 # the build repo is not signed at this stage
377 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
388 ##############################
389 # apparently ubuntu exposes a mirrors list by country at
390 # http://mirrors.ubuntu.com/mirrors.txt
391 # need to specify the right mirror for debian variants like ubuntu and the like
392 function debian_mirror () {
396 echo http://ftp2.fr.debian.org/debian/ ;;
397 precise|trusty|utopic|vivid|wily)
398 # echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
399 echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
400 *) echo unknown distro $fcdistro; exit 1;;
404 function debian_install () {
408 lxc_root=$(lxcroot $lxc)
410 arch=$(canonical_arch $personality $fcdistro)
411 mirror=$(debian_mirror $fcdistro)
412 debootstrap --no-check-gpg --arch $arch $fcdistro $lxc_root $mirror
413 # just like with fedora we ensure a few packages get installed as well
415 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
416 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
417 chroot ${lxc_root} $personality apt-get update
418 chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
420 cat <<EOF > ${lxc_root}/etc/hostname
426 function debian_configure () {
427 guest_interfaces=${lxc_root}/etc/network/interfaces
428 ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
431 function write_guest_interfaces_natip () {
434 iface $VIF_GUEST inet dhcp
438 function write_guest_interfaces_publicip () {
441 iface $VIF_GUEST inet static
447 ##############################
448 function setup_lxc() {
452 #trap failure ERR INT
457 personality=$1; shift
459 lxc_root=$(lxcroot $lxc)
461 # create lxc container
463 pkg_method=$(package_method $fcdistro)
466 if [ -z "$IMAGE" ]; then
467 fedora_install $lxc || { echo "failed to install fedora root image"; exit 1 ; }
468 # this appears to be safer; observed in Jan. 2016 on a f23 host and a f14 cached image
469 # we were getting this message when attempting the first chroot yum install
470 # rpmdb: Program version 4.8 doesn't match environment version 5.3
471 chroot $(lxcroot $lxc) $personality rm -rf /var/lib/rpm/__db.00{0,1,2,3,4,5,6,7,8,9}
472 chroot $(lxcroot $lxc) $personality rpm --rebuilddb
474 fedora_configure $lxc || { echo "failed to configure fedora for a container"; exit 1 ; }
477 if [ -z "$IMAGE" ]; then
478 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
480 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
483 echo "$COMMAND:: unknown package_method - exiting"
488 # Enable cgroup -- xxx -- is this really useful ?
489 [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
491 ### set up resolv.conf from host
492 # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
493 [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
494 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
495 ### and /etc/hosts for at least localhost
496 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
498 # grant ssh access from host to guest
499 mkdir -p $lxc_root/root/.ssh
500 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
501 chmod 700 $lxc_root/root/.ssh
502 chmod 600 $lxc_root/root/.ssh/authorized_keys
504 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
505 config_xml=/tmp/$lxc.xml
506 ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
508 # define lxc container for libvirt
509 virsh -c lxc:/// define $config_xml
514 # this part does not belong in a domain any more
515 # but goes in a network object of its own existence
517 # <name>host-bridge</name>
518 # <forward mode="bridge"/>
519 # <bridge name="br0"/>
523 function write_lxc_xml_publicip () {
525 lxc_root=$(lxcroot $lxc)
529 <memory>$MEMORY</memory>
531 <type arch='$arch2'>exe</type>
532 <init>/sbin/init</init>
538 <clock offset='utc'/>
539 <on_poweroff>destroy</on_poweroff>
540 <on_reboot>restart</on_reboot>
541 <on_crash>destroy</on_crash>
543 <emulator>/usr/libexec/libvirt_lxc</emulator>
544 <filesystem type='mount'>
545 <source dir='$lxc_root'/>
548 <interface type="bridge">
549 <source bridge="$PUBLIC_BRIDGE"/>
550 <target dev='$VIF_HOST'/>
552 <console type='pty' />
558 # grant build guests the ability to do mknods
559 function write_lxc_xml_natip () {
561 lxc_root=$(lxcroot $lxc)
565 <memory>$MEMORY</memory>
567 <type arch='$arch2'>exe</type>
568 <init>/sbin/init</init>
572 <capabilities policy='default'>
577 <clock offset='utc'/>
578 <on_poweroff>destroy</on_poweroff>
579 <on_reboot>restart</on_reboot>
580 <on_crash>destroy</on_crash>
582 <emulator>/usr/libexec/libvirt_lxc</emulator>
583 <filesystem type='mount'>
584 <source dir='$lxc_root'/>
587 <interface type="network">
588 <source network="default"/>
590 <console type='pty' />
596 # this one is dhcp-based
597 function write_guest_ifcfg_natip () {
608 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
609 function write_guest_ifcfg_publicip () {
614 HOSTNAME=$GUEST_HOSTNAME
624 function devel_or_test_tools () {
633 personality=$1; shift
635 lxc_root=$(lxcroot $lxc)
637 pkg_method=$(package_method $fcdistro)
639 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
641 ### install individual packages, then groups
642 # get target arch - use uname -i here (we want either x86_64 or i386)
644 lxc_arch=$(chroot ${lxc_root} $personality uname -i)
645 # on debian systems we get arch through the 'arch' command
646 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
648 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
649 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
651 case "$pkg_method" in
653 [ -n "$packages" ] && chroot ${lxc_root} $personality yum -y install $packages
654 for group_plus in $groups; do
655 group=$(echo $group_plus | sed -e "s,+++, ,g")
656 chroot ${lxc_root} $personality yum -y groupinstall "$group"
658 # store current rpm list in /init-lxc.rpms in case we need to check the contents
659 chroot ${lxc_root} $personality rpm -aq > $lxc_root/init-lxc.rpms
663 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
664 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
665 # we need at least to add the 'universe' feed for python-rpm
666 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
667 # also adding a link to updates sounds about right
668 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
669 # tell apt about the changes
670 chroot /vservers/$lxc apt-get update
672 for package in $packages ; do
673 # container not started yet
674 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get install -y $package" || :
675 chroot ${lxc_root} $personality apt-get install -y $package || :
677 ### xxx todo install groups with apt..
680 echo "unknown pkg_method $pkg_method"
687 function post_install () {
689 personality=$1; shift
690 lxc_root=$(lxcroot $lxc)
691 # setup localtime from the host
692 cp /etc/localtime $lxc_root/etc/localtime
693 sshd_disable_password_auth $lxc
695 [ -n "$NAT_MODE" ] && post_install_natip $lxc $personality || post_install_myplc $lxc $personality
696 # start the VM unless specified otherwise
697 if [ -n "$START_VM" ] ; then
698 echo Starting guest $lxc
699 virsh -c lxc:/// start $lxc
700 if [ -n "$NAT_MODE" ] ; then
703 wait_for_ssh $lxc $GUEST_IP
708 # just in case, let's stay on the safe side
709 function sshd_disable_password_auth () {
711 lxc_root=$(lxcroot $lxc)
712 sed --in-place=.password -e 's,^#\?PasswordAuthentication.*,PasswordAuthentication no,' \
713 $lxc_root/etc/ssh/sshd_config
716 function post_install_natip () {
723 personality=$1; shift
724 lxc_root=$(lxcroot $lxc)
726 ### From myplc-devel-native.spec
727 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
728 cat << EOF | chroot ${lxc_root} $personality bash -x
730 # customize root's prompt
731 /bin/cat << PROFILE > /root/.profile
732 export PS1="[$lxc] \\w # "
739 function post_install_myplc () {
745 personality=$1; shift
746 lxc_root=$(lxcroot $lxc)
748 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
749 cat << EOF | chroot ${lxc_root} $personality bash -x
751 # create /etc/sysconfig/network if missing
752 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
754 # turn off regular crond, as plc invokes plc_crond
755 /sbin/chkconfig crond off
757 # customize root's prompt
758 /bin/cat << PROFILE > /root/.profile
759 export PS1="[$lxc] \\w # "
765 ########################################
766 # workaround for broken lxc-enter-namespace
767 # 1st version was relying on virsh net-dhcp-leases
768 # however this was too fragile, would not work for fedora14 containers
769 # WARNING: this code is duplicated in lbuild-nightly.sh
770 function guest_ipv4() {
773 mac=$(virsh -c lxc:/// domiflist $lxc | egrep 'network|bridge' | awk '{print $5;}')
775 [ -z "$mac" ] && return 0
776 arp -en | grep "$mac" | awk '{print $1;}'
779 function wait_for_ssh () {
785 # if run in public_ip mode, we know the IP of the guest and it is specified here
786 [ -n "$1" ] && { guest_ip=$1; shift; }
788 #wait max 2 min for sshd to start
790 current_time=$(date +%s)
791 stop_time=$(($current_time + 120))
794 while [ "$current_time" -lt "$stop_time" ] ; do
795 echo "$counter-th attempt to reach sshd in container $lxc ..."
796 [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc)
797 [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip 'uname -i' && {
798 success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
799 counter=$(($counter+1))
801 current_time=$(date +%s)
804 # Thierry: this is fatal, let's just exit with a failure here
805 [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
810 function failure () {
811 echo "$COMMAND : Bailing out"
817 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
818 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
820 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
821 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
822 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
824 echo "Supported options"
825 echo " -n hostname - the hostname to use in container"
826 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
827 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
828 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
829 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
830 echo " -P pkgs_file - defines a set of extra packages to install in guest"
831 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
832 echo " -i image - the location of the rootfs"
833 echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
834 echo " -s do not start VM"
835 echo " -v be verbose"
843 #trap failure ERR INT
845 if [ "$(id -u)" != "0" ]; then
846 echo "This script should be run as 'root'"
851 while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
853 n) GUEST_HOSTNAME=$OPTARG;;
854 f) fcdistro=$OPTARG;;
855 d) pldistro=$OPTARG;;
856 p) personality=$OPTARG;;
857 r) REPO_URL=$OPTARG;;
858 P) PREINSTALLED=$OPTARG;;
862 v) VERBOSE=true; set -x;;
867 shift $(($OPTIND - 1))
869 # parse fixed arguments
870 [[ -z "$@" ]] && usage
872 lxc_root=$(lxcroot $lxc)
875 almost_empty $lxc_root || \
876 { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
877 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
878 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
881 # if IMAGE, copy the provided rootfs to lxc_root
882 if [ -n "$IMAGE" ] ; then
883 [ ! -d "$IMAGE" ] && \
884 { echo "$IMAGE rootfs folder does not exist - exiting" ; exit 1 ; }
885 rsync -a $IMAGE/ $lxc_root/
888 # check we've exhausted the arguments
889 [[ -n "$@" ]] && usage
891 # NAT_MODE is true unless we specified a hostname
892 [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
895 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
896 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
897 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
898 [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
901 MEMORY=$(($MEMORY * 1024))
903 # the set of preinstalled packages - depends on mode
904 if [ -z "$PREINSTALLED" ] ; then
905 if [ -n "$NAT_MODE" ] ; then
906 PREINSTALLED=devel.pkgs
908 PREINSTALLED=runtime.pkgs
912 if [ -n "$NAT_MODE" ] ; then
913 # we can now set GUEST_HOSTNAME safely
914 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
916 # as this command can be used in other contexts, not specifying
917 # a repo is considered a warning
918 # use -r none to get rid of this warning
919 if [ "$REPO_URL" == "none" ] ; then
921 elif [ -z "$REPO_URL" ] ; then
922 echo "WARNING -- setting up a yum repo is recommended"
927 release=$(echo $fcdistro | cut -df -f2)
929 if [ "$personality" == "linux32" ]; then
932 elif [ "$personality" == "linux64" ]; then
936 echo "Unknown personality: $personality"
939 # compute networking details for the test mode
940 # (build mode relies entirely on dhcp on the private subnet)
941 if [ -z "$NAT_MODE" ] ; then
943 #create_bridge_if_needed $PUBLIC_BRIDGE
944 lbuild-bridge.sh $PUBLIC_BRIDGE
946 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
947 # use same NETMASK as bridge interface br0
948 masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
949 NETMASK=$(masklen_to_netmask $masklen)
950 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
951 VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
954 setup_lxc $lxc $fcdistro $pldistro $personality
956 # historically this command is for setting up a build or a test VM
957 # kind of patchy right now though
958 devel_or_test_tools $lxc $fcdistro $pldistro $personality
960 # container gets started here
961 post_install $lxc $personality