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 $lxc around in functions,
23 # but in fact then we use lxc_root which is a global..
24 # it works, but this really is poor practice
25 # we should have an lxc_root function instead
31 # XXX fixme : when creating a 32bits VM we need to call linux32 as appropriate...s
35 DEFAULT_PERSONALITY=linux64
42 # the network interface name as seen from the container
46 FEDORA_MIRROR="http://mirror.onelab.eu/"
47 FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
48 FEDORA_PREINSTALLED="dnf dnf-yum passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
49 DEBIAN_PREINSTALLED="openssh-server openssh-client"
51 ########## networking utilities
52 function gethostbyname () {
54 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
57 # e.g. 21 -> 255.255.248.0
58 function masklen_to_netmask () {
59 local masklen=$1; shift
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 dnf or debootstrap
81 function package_method () {
82 local fcdistro=$1; shift
84 f[0-9]*|centos[0-9]*|sl[0-9]*)
86 wheezy|jessie|precise|trusty|utopic|vivid|wily|xenial)
89 echo Unknown distro $fcdistro ;;
93 # return arch from debian distro and personality
94 function canonical_arch () {
95 local personality=$1; shift
96 local fcdistro=$1; shift
97 case $(package_method $fcdistro) in
102 *) echo Unknown-arch-1 ;;
108 *) echo Unknown-arch-2 ;;
111 echo Unknown-arch-3 ;;
115 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
116 function almost_empty () {
117 local dir="$1"; shift ;
118 # non existing is fine
119 [ ! -d $dir ] && return 0;
120 # need to have at most one file
121 local count=$(cd $dir; ls | wc -l)
125 ##############################
126 function fedora_install() {
131 local lxc_root=$(lxcroot $lxc)
133 local cache=/var/cache/lxc/fedora/$arch/${fedora_release}
137 flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
139 if [ ! -e "$cache/rootfs" ]; then
140 echo "Getting cache download in $cache/rootfs ... "
141 fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
143 echo "Updating cache $cache/rootfs ..."
144 if ! dnf --installroot $cache/rootfs --releasever ${fedora_release} -y --nogpgcheck update ; then
145 echo "Failed to update 'fedora base', continuing with last known good cache"
147 echo "Update finished"
151 echo "Filling $lxc_root from $cache/rootfs ... "
152 rsync -a $cache/rootfs/ $lxc_root/
161 function fedora_download() {
164 local cache=$1; shift
166 # check the mini fedora was not already downloaded
167 INSTALL_ROOT=$cache/partial
170 # download a mini fedora into a cache
171 echo "Downloading fedora minimal ..."
173 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
175 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
176 mkdir -p $INSTALL_ROOT/dev
177 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
178 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
180 # copy yum config and repo files
181 cp /etc/yum.conf $INSTALL_ROOT/etc/
182 cp /etc/yum.repos.d/fedora*.repo $INSTALL_ROOT/etc/yum.repos.d/
184 # append fedora repo files with desired ${fedora_release} and $basearch
185 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
186 sed -i "s/\$basearch/$arch/g; s/\$releasever/${fedora_release}/g;" $f
189 MIRROR_URL=$FEDORA_MIRROR/fedora/releases/${fedora_release}/Everything/$arch/os
190 # since fedora18 the rpms are scattered by first name
191 # first try the second version of fedora-release first
194 for subindex in 3 2 1; do
195 RELEASE_URLS="$RELEASE_URLS $MIRROR_URL/Packages/f/fedora-release-${fedora_release}-${subindex}.noarch.rpm"
198 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm
201 for attempt in $RELEASE_URLS; do
202 if curl --silent --fail $attempt -o $RELEASE_TARGET; then
203 echo "Successfully Retrieved $attempt"
207 echo "Failed (not to worry about) with attempt $attempt"
210 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
212 mkdir -p $INSTALL_ROOT/var/lib/rpm
213 rpm --root $INSTALL_ROOT --initdb
214 # when installing f12 this apparently is already present, so ignore result
215 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm || :
216 # however f12 root images won't get created on a f18 host
217 # (the issue here is the same as the one we ran into when dealing with a vs-box)
218 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
219 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
220 # with file from package filesystem-2.4.30-2.fc12.x86_64
221 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
222 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
223 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
224 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
226 DNF="dnf --installroot=$INSTALL_ROOT --releasever=${fedora_release} --nogpgcheck -y"
227 echo "$DNF install $FEDORA_PREINSTALLED"
228 $DNF install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
230 mv "$INSTALL_ROOT" "$cache/rootfs"
231 echo "Download complete."
236 ##############################
237 function fedora_configure() {
243 local fcdistro=$1; shift
244 local lxc_root=$(lxcroot $lxc)
246 # disable selinux in fedora
247 mkdir -p $lxc_root/selinux
248 echo 0 > $lxc_root/selinux/enforce
250 # enable networking and set hostname
251 cat <<EOF > ${lxc_root}/etc/sysconfig/network
254 cat <<EOF > ${lxc_root}/etc/hostname
258 local dev_path="${lxc_root}/dev"
261 mknod -m 666 ${dev_path}/null c 1 3
262 mknod -m 666 ${dev_path}/zero c 1 5
263 mknod -m 666 ${dev_path}/random c 1 8
264 mknod -m 666 ${dev_path}/urandom c 1 9
265 mkdir -m 755 ${dev_path}/pts
266 mkdir -m 1777 ${dev_path}/shm
267 mknod -m 666 ${dev_path}/tty c 5 0
268 mknod -m 666 ${dev_path}/tty0 c 4 0
269 mknod -m 666 ${dev_path}/tty1 c 4 1
270 mknod -m 666 ${dev_path}/tty2 c 4 2
271 mknod -m 666 ${dev_path}/tty3 c 4 3
272 mknod -m 666 ${dev_path}/tty4 c 4 4
273 mknod -m 600 ${dev_path}/console c 5 1
274 mknod -m 666 ${dev_path}/full c 1 7
275 mknod -m 600 ${dev_path}/initctl p
276 mknod -m 666 ${dev_path}/ptmx c 5 2
278 fedora_configure_systemd $lxc
280 local guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
281 mkdir -p $(dirname ${guest_ifcfg})
282 # starting with f29, we go for NetworkManager as older network-scripts
283 # is about to be deprecated
284 local nm_controlled=false
285 [[ $fcdistro == f29 ]] && nm_controlled=true
286 [[ $fcdistro == f3[0-9] ]] && nm_controlled=true
288 if [ -n "$NAT_MODE" ]; then
289 write_guest_ifcfg_natip $nm_controlled
291 write_guest_ifcfg_publicip $nm_controlled
294 [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
299 # this code of course is for guests that do run on systemd
300 function fedora_configure_systemd() {
304 local lxc_root=$(lxcroot $lxc)
306 # so ignore if we can't find /etc/systemd at all
307 [ -d ${lxc_root}/etc/systemd ] || return 0
308 # otherwise let's proceed
309 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
310 touch ${lxc_root}/etc/fstab
311 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
312 # Thierry - Feb 2013 relying on getty is looking for trouble
313 # so, turning getty off for now instead
314 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
315 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
316 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
317 # can't seem to handle this one with systemctl
318 chroot ${lxc_root} $personality chkconfig network on
321 # overwrite container yum config
322 function fedora_configure_yum () {
328 local fcdistro=$1; shift
329 local pldistro=$1; shift
331 local lxc_root=$(lxcroot $lxc)
333 chroot ${lxc_root} $personality rpm --rebuilddb
335 echo "Initializing yum.repos.d in $lxc"
336 rm -f $lxc_root/etc/yum.repos.d/*
338 # use mirroring/ stuff instead of a hard-wired config
339 local repofile=$lxc_root/etc/yum.repos.d/building.repo
340 yumconf_mirrors $repofile ${DIRNAME} $fcdistro \
342 # the keys stuff requires adjustment though
343 sed -i $repofile -e s,'gpgkey=.*',"gpgkey=${FEDORA_MIRROR_KEYS}/RPM-GPG-KEY-fedora-${fedora_release}-primary,"
345 # import fedora key so that gpgckeck does not whine or require stdin
346 # required since fedora24
347 rpm --root $lxc_root --import $FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-${fedora_release}-primary
349 # for using this script as a general-purpose lxc creation wrapper
350 # just mention 'none' as the repo url
351 if [ -n "$REPO_URL" ] ; then
352 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
353 echo "WARNING : cannot create myplc repo"
355 # exclude kernel from fedora repos
356 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
357 for repo in $lxc_root/etc/yum.repos.d/* ; do
358 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
360 # the build repo is not signed at this stage
361 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
372 ##############################
373 # apparently ubuntu exposes a mirrors list by country at
374 # http://mirrors.ubuntu.com/mirrors.txt
375 # need to specify the right mirror for debian variants like ubuntu and the like
376 function debian_mirror () {
377 local fcdistro=$1; shift
380 echo http://ftp2.fr.debian.org/debian/ ;;
381 precise|trusty|utopic|vivid|wily|xenial)
382 echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
383 *) echo unknown distro $fcdistro; exit 1;;
387 function debian_install () {
391 local lxc_root=$(lxcroot $lxc)
393 local arch=$(canonical_arch $personality $fcdistro)
394 local mirror=$(debian_mirror $fcdistro)
395 debootstrap --no-check-gpg --arch $arch $fcdistro $lxc_root $mirror
396 # just like with fedora we ensure a few packages get installed as well
398 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
399 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
400 chroot ${lxc_root} $personality apt-get update
401 chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
403 cat <<EOF > ${lxc_root}/etc/hostname
409 function debian_configure () {
410 local guest_interfaces=${lxc_root}/etc/network/interfaces
411 ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
414 function write_guest_interfaces_natip () {
417 iface $VIF_GUEST inet dhcp
421 function write_guest_interfaces_publicip () {
424 iface $VIF_GUEST inet static
430 ##############################
431 function setup_lxc() {
435 #trap failure ERR INT
438 local fcdistro=$1; shift
439 local pldistro=$1; shift
440 local personality=$1; shift
442 local lxc_root=$(lxcroot $lxc)
444 # create lxc container
446 pkg_method=$(package_method $fcdistro)
449 if [ -z "$IMAGE" ]; then
450 fedora_install $lxc || { echo "failed to install fedora root image"; exit 1 ; }
451 # this appears to be safer; observed in Jan. 2016 on a f23 host and a f14 cached image
452 # we were getting this message when attempting the first chroot dnf install
453 # rpmdb: Program version 4.8 doesn't match environment version 5.3
454 chroot $(lxcroot $lxc) $personality rm -rf /var/lib/rpm/__db.00{0,1,2,3,4,5,6,7,8,9}
455 chroot $(lxcroot $lxc) $personality rpm --rebuilddb
457 fedora_configure $lxc $fcdistro || { echo "failed to configure fedora for a container"; exit 1 ; }
460 if [ -z "$IMAGE" ]; then
461 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
463 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
466 echo "$COMMAND:: unknown package_method - exiting"
471 # Enable cgroup -- xxx -- is this really useful ?
472 [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
474 ### set up resolv.conf from host
475 # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
476 [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
477 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
478 ### and /etc/hosts for at least localhost
479 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
481 # grant ssh access from host to guest
482 mkdir -p $lxc_root/root/.ssh
483 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
484 chmod 700 $lxc_root/root/.ssh
485 chmod 600 $lxc_root/root/.ssh/authorized_keys
487 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
488 local config_xml=/tmp/$lxc.xml
489 ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
491 # define lxc container for libvirt
492 virsh -c lxc:/// define $config_xml
497 # this part does not belong in a domain any more
498 # but goes in a network object of its own existence
500 # <name>host-bridge</name>
501 # <forward mode="bridge"/>
502 # <bridge name="br0"/>
506 function write_lxc_xml_publicip () {
508 local lxc_root=$(lxcroot $lxc)
512 <memory>$MEMORY</memory>
514 <type arch='$arch2'>exe</type>
515 <init>/sbin/init</init>
521 <clock offset='utc'/>
522 <on_poweroff>destroy</on_poweroff>
523 <on_reboot>restart</on_reboot>
524 <on_crash>destroy</on_crash>
526 <emulator>/usr/libexec/libvirt_lxc</emulator>
527 <filesystem type='mount'>
528 <source dir='$lxc_root'/>
531 <interface type="bridge">
532 <source bridge="$PUBLIC_BRIDGE"/>
533 <target dev='$VIF_HOST'/>
535 <console type='pty' />
541 # grant build guests the ability to do mknods
542 function write_lxc_xml_natip () {
544 local lxc_root=$(lxcroot $lxc)
548 <memory>$MEMORY</memory>
550 <type arch='$arch2'>exe</type>
551 <init>/sbin/init</init>
555 <capabilities policy='default'>
560 <clock offset='utc'/>
561 <on_poweroff>destroy</on_poweroff>
562 <on_reboot>restart</on_reboot>
563 <on_crash>destroy</on_crash>
565 <emulator>/usr/libexec/libvirt_lxc</emulator>
566 <filesystem type='mount'>
567 <source dir='$lxc_root'/>
570 <interface type="network">
571 <source network="default"/>
573 <console type='pty' />
579 # this one is dhcp-based
580 function write_guest_ifcfg_natip () {
581 local nm_controlled=$1; shift
589 [ "$nm_controlled" == true ] || echo NM_CONTROLLED=no
592 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
593 function write_guest_ifcfg_publicip () {
594 local nm_controlled=$1; shift
599 HOSTNAME=$GUEST_HOSTNAME
606 [ "$nm_controlled" == true ] || echo NM_CONTROLLED=no
609 function devel_or_test_tools () {
616 local fcdistro=$1; shift
617 local pldistro=$1; shift
618 local personality=$1; shift
620 local lxc_root=$(lxcroot $lxc)
622 local pkg_method=$(package_method $fcdistro)
624 local pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
626 ### install individual packages, then groups
627 # get target arch - use uname -i here (we want either x86_64 or i386)
629 local lxc_arch=$(chroot ${lxc_root} $personality uname -i)
630 # on debian systems we get arch through the 'arch' command
631 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
633 local packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
634 local groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
636 case "$pkg_method" in
638 # --allowerasing required starting with fedora24
641 chroot ${lxc_root} $personality dnf --version && has_dnf=true
642 if [ -n "$has_dnf" ]; then
643 echo "container has dnf - invoking with --allowerasing"
644 local pkg_installer="dnf -y install --allowerasing"
645 local grp_installer="dnf -y groupinstall --allowerasing"
647 echo "container has only dnf"
648 local pkg_installer="dnf -y install"
649 local grp_installer="dnf -y groupinstall"
651 [ -n "$packages" ] && chroot ${lxc_root} $personality $pkg_installer $packages
652 for group_plus in $groups; do
653 local group=$(echo $group_plus | sed -e "s,+++, ,g")
654 chroot ${lxc_root} $personality $grp_installer "$group"
656 # store current rpm list in /init-lxc.rpms in case we need to check the contents
657 chroot ${lxc_root} $personality rpm -aq > $lxc_root/init-lxc.rpms
661 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
662 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
663 # we need at least to add the 'universe' feed for python-rpm
664 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
665 # also adding a link to updates sounds about right
666 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
667 # tell apt about the changes
668 chroot /vservers/$lxc apt-get update
670 for package in $packages ; do
671 # container not started yet
672 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get install -y $package" || :
673 chroot ${lxc_root} $personality apt-get install -y $package || :
675 ### xxx todo install groups with apt..
678 echo "unknown pkg_method $pkg_method"
685 function post_install () {
687 local personality=$1; shift
688 local lxc_root=$(lxcroot $lxc)
689 # setup localtime from the host
690 cp /etc/localtime $lxc_root/etc/localtime
691 sshd_disable_password_auth $lxc
693 [ -n "$NAT_MODE" ] && post_install_natip $lxc $personality || post_install_myplc $lxc $personality
694 # start the VM unless specified otherwise
695 if [ -n "$START_VM" ] ; then
696 echo Starting guest $lxc
697 virsh -c lxc:/// start $lxc
698 if [ -n "$NAT_MODE" ] ; then
701 wait_for_ssh $lxc $GUEST_IP
706 # just in case, let's stay on the safe side
707 function sshd_disable_password_auth () {
709 local lxc_root=$(lxcroot $lxc)
710 sed --in-place=.password -e 's,^#\?PasswordAuthentication.*,PasswordAuthentication no,' \
711 $lxc_root/etc/ssh/sshd_config
714 function post_install_natip () {
721 local personality=$1; shift
722 local lxc_root=$(lxcroot $lxc)
724 ### From myplc-devel-native.spec
725 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
726 cat << EOF | chroot ${lxc_root} $personality bash -x
728 # customize root's prompt
729 /bin/cat << PROFILE > /root/.profile
730 export PS1="[$lxc] \\w # "
737 function post_install_myplc () {
743 local personality=$1; shift
744 local lxc_root=$(lxcroot $lxc)
746 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
747 cat << EOF | chroot ${lxc_root} $personality bash -x
749 # create /etc/sysconfig/network if missing
750 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
752 # turn off regular crond, as plc invokes plc_crond
753 /sbin/chkconfig crond off
755 # customize root's prompt
756 /bin/cat << PROFILE > /root/.profile
757 export PS1="[$lxc] \\w # "
763 ########################################
764 # workaround for broken lxc-enter-namespace
765 # 1st version was relying on virsh net-dhcp-leases
766 # however this was too fragile, would not work for fedora14 containers
767 # WARNING: this code is duplicated in lbuild-nightly.sh
768 function guest_ipv4() {
771 local mac=$(virsh -c lxc:/// domiflist $lxc | egrep 'network|bridge' | awk '{print $5;}')
773 [ -z "$mac" ] && return 0
774 arp -en | grep "$mac" | awk '{print $1;}'
777 function wait_for_ssh () {
783 # if run in public_ip mode, we know the IP of the guest and it is specified here
784 [ -n "$1" ] && { guest_ip=$1; shift; }
786 #wait max 2 min for sshd to start
788 local current_time=$(date +%s)
789 local stop_time=$(($current_time + 120))
792 while [ "$current_time" -lt "$stop_time" ] ; do
793 echo "$counter-th attempt to reach sshd in container $lxc ..."
794 [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc)
795 [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip 'uname -i' && {
796 success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
797 counter=$(($counter+1))
799 current_time=$(date +%s)
802 # Thierry: this is fatal, let's just exit with a failure here
803 [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
808 function failure () {
809 echo "$COMMAND : Bailing out"
815 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
816 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
818 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
819 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
820 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
822 echo "Supported options"
823 echo " -n hostname - the hostname to use in container"
824 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
825 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
826 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
827 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
828 echo " -P pkgs_file - defines a set of extra packages to install in guest"
829 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
830 echo " -i image - the location of the rootfs"
831 echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
832 echo " -s do not start VM"
833 echo " -v be verbose"
841 #trap failure ERR INT
843 if [ "$(id -u)" != "0" ]; then
844 echo "This script should be run as 'root'"
849 while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
851 n) GUEST_HOSTNAME=$OPTARG;;
852 f) fcdistro=$OPTARG;;
853 d) pldistro=$OPTARG;;
854 p) personality=$OPTARG;;
855 r) REPO_URL=$OPTARG;;
856 P) PREINSTALLED=$OPTARG;;
860 v) VERBOSE=true; set -x;;
865 shift $(($OPTIND - 1))
867 # parse fixed arguments
868 [[ -z "$@" ]] && usage
870 local lxc_root=$(lxcroot $lxc)
873 almost_empty $lxc_root || \
874 { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
875 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
876 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
879 # if IMAGE, copy the provided rootfs to lxc_root
880 if [ -n "$IMAGE" ] ; then
881 [ ! -d "$IMAGE" ] && \
882 { echo "$IMAGE rootfs folder does not exist - exiting" ; exit 1 ; }
883 rsync -a $IMAGE/ $lxc_root/
886 # check we've exhausted the arguments
887 [[ -n "$@" ]] && usage
889 # NAT_MODE is true unless we specified a hostname
890 [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
893 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
894 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
895 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
896 [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
899 MEMORY=$(($MEMORY * 1024))
901 # the set of preinstalled packages - depends on mode
902 if [ -z "$PREINSTALLED" ] ; then
903 if [ -n "$NAT_MODE" ] ; then
904 PREINSTALLED=devel.pkgs
906 PREINSTALLED=runtime.pkgs
910 if [ -n "$NAT_MODE" ] ; then
911 # we can now set GUEST_HOSTNAME safely
912 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
914 # as this command can be used in other contexts, not specifying
915 # a repo is considered a warning
916 # use -r none to get rid of this warning
917 if [ "$REPO_URL" == "none" ] ; then
919 elif [ -z "$REPO_URL" ] ; then
920 echo "WARNING -- setting up a yum repo is recommended"
925 fedora_release=$(echo $fcdistro | cut -df -f2)
927 if [ "$personality" == "linux32" ]; then
930 elif [ "$personality" == "linux64" ]; then
934 echo "Unknown personality: $personality"
937 # compute networking details for the test mode
938 # (build mode relies entirely on dhcp on the private subnet)
939 if [ -z "$NAT_MODE" ] ; then
941 #create_bridge_if_needed $PUBLIC_BRIDGE
942 lbuild-bridge.sh $PUBLIC_BRIDGE
944 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
945 # use same NETMASK as bridge interface br0
946 masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
947 NETMASK=$(masklen_to_netmask $masklen)
948 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
949 VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
952 setup_lxc $lxc $fcdistro $pldistro $personality
954 # historically this command is for setting up a build or a test VM
955 # kind of patchy right now though
956 devel_or_test_tools $lxc $fcdistro $pldistro $personality
958 # container gets started here
959 post_install $lxc $personality