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 $lxc around in functions,
23 # but in fact then we use lxc_root which is a global..
24 # it works, but this really is poor practice
25 # we should have an lxc_root function instead
31 # XXX fixme : when creating a 32bits VM we need to call linux32 as appropriate...s
35 DEFAULT_PERSONALITY=linux64
42 # the network interface name as seen from the container
46 FEDORA_MIRROR="http://mirror.onelab.eu/"
47 FEDORA_MIRROR_KEYS="http://mirror.onelab.eu/keys/"
48 FEDORA_PREINSTALLED="dnf dnf-yum passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
49 DEBIAN_PREINSTALLED="openssh-server openssh-client"
51 ########## networking utilities
52 function gethostbyname () {
54 python3 -c "import socket; print(socket.gethostbyname('"$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 (1 <= masklen <= 32):
64 print("Wrong masklen", masklen)
72 result.append(masklen)
74 print(".".join([ str(256-2**(8-i)) for i in result ]))
78 ##############################
79 # return dnf or debootstrap
80 function package_method () {
81 local fcdistro=$1; shift
83 f[0-9]*|centos[0-9]*|sl[0-9]*)
85 wheezy|jessie|trusty|xenial|bionic)
88 echo Unknown distro $fcdistro ;;
92 # return arch from debian distro and personality
93 function canonical_arch () {
94 local personality=$1; shift
95 local fcdistro=$1; shift
96 case $(package_method $fcdistro) in
101 *) echo Unknown-arch-1 ;;
107 *) echo Unknown-arch-2 ;;
110 echo Unknown-arch-3 ;;
114 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
115 function almost_empty () {
116 local dir="$1"; shift ;
117 # non existing is fine
118 [ ! -d $dir ] && return 0;
119 # need to have at most one file
120 local count=$(cd $dir; ls | wc -l)
124 ##############################
125 function fedora_install() {
130 local lxc_root=$(lxcroot $lxc)
132 local cache=/var/cache/lxc/fedora/$arch/${fedora_release}
136 flock --exclusive --timeout 60 200 || { echo "Cache repository is busy." ; return 1 ; }
138 if [ ! -e "$cache/rootfs" ]; then
139 echo "Getting cache download in $cache/rootfs ... "
140 fedora_download $cache || { echo "Failed to download 'fedora base'"; return 1; }
142 echo "Updating cache $cache/rootfs ..."
143 if ! dnf --installroot $cache/rootfs --releasever=${fedora_release} -y --nogpgcheck update ; then
144 echo "Failed to update 'fedora base', continuing with last known good cache"
146 echo "Update finished"
150 echo "Filling $lxc_root from $cache/rootfs ... "
151 rsync -a $cache/rootfs/ $lxc_root/
160 function fedora_download() {
163 local cache=$1; shift
165 # check the mini fedora was not already downloaded
166 INSTALL_ROOT=$cache/partial
169 # download a mini fedora into a cache
170 echo "Downloading fedora minimal ..."
172 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
174 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
175 mkdir -p $INSTALL_ROOT/dev
176 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
177 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
179 # copy yum config and repo files
180 cp /etc/yum.conf $INSTALL_ROOT/etc/
181 cp /etc/yum.repos.d/fedora{,-updates}.repo $INSTALL_ROOT/etc/yum.repos.d/
183 # append fedora repo files with hardwired releasever and basearch
184 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
185 sed -i "s/\$basearch/$arch/g; s/\$releasever/${fedora_release}/g;" $f
188 # looks like all this business about fetching fedora-release is not needed
190 # MIRROR_URL=$FEDORA_MIRROR/fedora/releases/${fedora_release}/Everything/$arch/os
191 # # since fedora18 the rpms are scattered by first name
192 # # first try the second version of fedora-release first
195 # for subindex in 3 2 1; do
196 # RELEASE_URLS="$RELEASE_URLS $MIRROR_URL/Packages/f/fedora-release-${fedora_release}-${subindex}.noarch.rpm"
199 # RELEASE_TARGET=$INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm
202 # for attempt in $RELEASE_URLS; do
203 # if curl --silent --fail $attempt -o $RELEASE_TARGET; then
204 # echo "Successfully Retrieved $attempt"
208 # echo "Failed (not to worry about) with attempt $attempt"
211 # [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
213 mkdir -p $INSTALL_ROOT/var/lib/rpm
214 rpm --root $INSTALL_ROOT --initdb
215 # when installing f12 this apparently is already present, so ignore result
216 # rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-${fedora_release}.noarch.rpm || :
217 # however f12 root images won't get created on a f18 host
218 # (the issue here is the same as the one we ran into when dealing with a vs-box)
219 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
220 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
221 # with file from package filesystem-2.4.30-2.fc12.x86_64
222 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
223 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
224 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
225 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
227 DNF="dnf --installroot=$INSTALL_ROOT --nogpgcheck -y"
228 echo "$DNF install $FEDORA_PREINSTALLED"
229 $DNF install $FEDORA_PREINSTALLED || { echo "Failed to download rootfs, aborting." ; return 1; }
231 mv "$INSTALL_ROOT" "$cache/rootfs"
232 echo "Download complete."
237 ##############################
238 function fedora_configure() {
244 local fcdistro=$1; shift
245 local lxc_root=$(lxcroot $lxc)
247 # disable selinux in fedora
248 mkdir -p $lxc_root/selinux
249 echo 0 > $lxc_root/selinux/enforce
251 # enable networking and set hostname
252 cat <<EOF > ${lxc_root}/etc/sysconfig/network
255 cat <<EOF > ${lxc_root}/etc/hostname
259 local dev_path="${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 fedora_configure_systemd $lxc
281 local guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
282 mkdir -p $(dirname ${guest_ifcfg})
283 # starting with f27, we go for NetworkManager
284 # no more NM_CONTROLLED nonsense
285 if [ -n "$NAT_MODE" ]; then
286 write_guest_ifcfg_natip
288 write_guest_ifcfg_publicip
291 [ -z "$IMAGE" ] && fedora_configure_yum $lxc $fcdistro $pldistro
296 # this code of course is for guests that do run on systemd
297 function fedora_configure_systemd() {
301 local lxc_root=$(lxcroot $lxc)
303 # so ignore if we can't find /etc/systemd at all
304 [ -d ${lxc_root}/etc/systemd ] || return 0
305 # otherwise let's proceed
306 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
307 touch ${lxc_root}/etc/fstab
308 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
309 # Thierry - Feb 2013 relying on getty is looking for trouble
310 # so, turning getty off for now instead
311 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
312 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
313 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
314 # can't seem to handle this one with systemctl
315 # second part should trigger starting with fedora31, where the network target is not manually manageable
316 chroot ${lxc_root} $personality chkconfig network on || chroot ${lxc_root} $personality systemctl enable NetworkManager
319 # overwrite container yum config
320 function fedora_configure_yum () {
326 local fcdistro=$1; shift
327 local pldistro=$1; shift
329 local lxc_root=$(lxcroot $lxc)
331 chroot ${lxc_root} $personality rpm --rebuilddb
333 echo "Initializing yum.repos.d in $lxc"
334 rm -f $lxc_root/etc/yum.repos.d/*
336 # use mirroring/ stuff instead of a hard-wired config
337 local repofile=$lxc_root/etc/yum.repos.d/building.repo
338 yumconf_mirrors $repofile ${DIRNAME} $fcdistro \
340 # the keys stuff requires adjustment though
341 sed -i $repofile -e s,'gpgkey=.*',"gpgkey=${FEDORA_MIRROR_KEYS}/RPM-GPG-KEY-fedora-${fedora_release}-primary,"
343 # import fedora key so that gpgckeck does not whine or require stdin
344 # required since fedora24
345 rpm --root $lxc_root --import $FEDORA_MIRROR_KEYS/RPM-GPG-KEY-fedora-${fedora_release}-primary
347 # for using this script as a general-purpose lxc creation wrapper
348 # just mention 'none' as the repo url
349 if [ -n "$REPO_URL" ] ; then
350 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
351 echo "WARNING : cannot create myplc repo"
353 # exclude kernel from fedora repos
354 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
355 for repo in $lxc_root/etc/yum.repos.d/* ; do
356 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
358 # the build repo is not signed at this stage
359 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
370 ##############################
371 # apparently ubuntu exposes a mirrors list by country at
372 # http://mirrors.ubuntu.com/mirrors.txt
373 # need to specify the right mirror for debian variants like ubuntu and the like
374 function debian_mirror () {
375 local fcdistro=$1; shift
378 echo http://ftp2.fr.debian.org/debian/ ;;
379 trusty|xenial|bionic)
380 echo http://www-ftp.lip6.fr/pub/linux/distributions/Ubuntu/archive/ ;;
381 *) echo unknown distro $fcdistro; exit 1;;
385 function debian_install () {
389 local lxc_root=$(lxcroot $lxc)
391 local arch=$(canonical_arch $personality $fcdistro)
392 local mirror=$(debian_mirror $fcdistro)
393 debootstrap --no-check-gpg --arch $arch $fcdistro $lxc_root $mirror
394 # just like with fedora we ensure a few packages get installed as well
396 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get update"
397 #virsh -c lxc:/// lxc-enter-namespace $lxc /usr/bin/$personality /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
398 chroot ${lxc_root} $personality apt-get update
399 chroot ${lxc_root} $personality apt-get -y install $DEBIAN_PREINSTALLED
401 cat <<EOF > ${lxc_root}/etc/hostname
407 function debian_configure () {
408 local guest_interfaces=${lxc_root}/etc/network/interfaces
409 ( [ -n "$NAT_MODE" ] && write_guest_interfaces_natip || write_guest_interfaces_publicip ) > $guest_interfaces
412 function write_guest_interfaces_natip () {
415 iface $VIF_GUEST inet dhcp
419 function write_guest_interfaces_publicip () {
422 iface $VIF_GUEST inet static
428 ##############################
429 function setup_lxc() {
433 #trap failure ERR INT
436 local fcdistro=$1; shift
437 local pldistro=$1; shift
438 local personality=$1; shift
440 local lxc_root=$(lxcroot $lxc)
442 # create lxc container
444 pkg_method=$(package_method $fcdistro)
447 if [ -z "$IMAGE" ]; then
448 fedora_install $lxc || { echo "failed to install fedora root image"; exit 1 ; }
449 # this appears to be safer; observed in Jan. 2016 on a f23 host and a f14 cached image
450 # we were getting this message when attempting the first chroot dnf install
451 # rpmdb: Program version 4.8 doesn't match environment version 5.3
452 chroot $(lxcroot $lxc) $personality rm -rf /var/lib/rpm/__db.00{0,1,2,3,4,5,6,7,8,9}
453 chroot $(lxcroot $lxc) $personality rpm --rebuilddb
455 fedora_configure $lxc $fcdistro || { echo "failed to configure fedora for a container"; exit 1 ; }
458 if [ -z "$IMAGE" ]; then
459 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
461 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
464 echo "$COMMAND:: unknown package_method - exiting"
469 # Enable cgroup -- xxx -- is this really useful ?
470 [ -d $lxc_root/cgroup ] || mkdir $lxc_root/cgroup
472 ### set up resolv.conf from host
473 # ubuntu precise and on, /etc/resolv.conf is a symlink to ../run/resolvconf/resolv.conf
474 [ -h $lxc_root/etc/resolv.conf ] && rm -f $lxc_root/etc/resolv.conf
475 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
476 ### and /etc/hosts for at least localhost
477 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
479 # grant ssh access from host to guest
480 mkdir -p $lxc_root/root/.ssh
481 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
482 chmod 700 $lxc_root/root/.ssh
483 chmod 600 $lxc_root/root/.ssh/authorized_keys
485 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
486 local config_xml=/tmp/$lxc.xml
487 ( [ -n "$NAT_MODE" ] && write_lxc_xml_natip $lxc || write_lxc_xml_publicip $lxc ) > $config_xml
489 # define lxc container for libvirt
490 virsh -c lxc:/// define $config_xml
495 # this part does not belong in a domain any more
496 # but goes in a network object of its own existence
498 # <name>host-bridge</name>
499 # <forward mode="bridge"/>
500 # <bridge name="br0"/>
504 function write_lxc_xml_publicip () {
506 local lxc_root=$(lxcroot $lxc)
510 <memory>$MEMORY</memory>
512 <type arch='$arch2'>exe</type>
513 <init>/sbin/init</init>
519 <clock offset='utc'/>
520 <on_poweroff>destroy</on_poweroff>
521 <on_reboot>restart</on_reboot>
522 <on_crash>destroy</on_crash>
524 <emulator>/usr/libexec/libvirt_lxc</emulator>
525 <filesystem type='mount'>
526 <source dir='$lxc_root'/>
529 <interface type="bridge">
530 <source bridge="$PUBLIC_BRIDGE"/>
531 <target dev='$VIF_HOST'/>
533 <console type='pty' />
539 # grant build guests the ability to do mknods
540 function write_lxc_xml_natip () {
542 local lxc_root=$(lxcroot $lxc)
546 <memory>$MEMORY</memory>
548 <type arch='$arch2'>exe</type>
549 <init>/sbin/init</init>
553 <capabilities policy='default'>
558 <clock offset='utc'/>
559 <on_poweroff>destroy</on_poweroff>
560 <on_reboot>restart</on_reboot>
561 <on_crash>destroy</on_crash>
563 <emulator>/usr/libexec/libvirt_lxc</emulator>
564 <filesystem type='mount'>
565 <source dir='$lxc_root'/>
568 <interface type="network">
569 <source network="default"/>
571 <console type='pty' />
577 # this one is dhcp-based
578 function write_guest_ifcfg_natip () {
588 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
589 function write_guest_ifcfg_publicip () {
594 HOSTNAME=$GUEST_HOSTNAME
603 function devel_or_test_tools () {
610 local fcdistro=$1; shift
611 local pldistro=$1; shift
612 local personality=$1; shift
614 local lxc_root=$(lxcroot $lxc)
616 local pkg_method=$(package_method $fcdistro)
618 local pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
620 ### install individual packages, then groups
621 # get target arch - use uname -i here (we want either x86_64 or i386)
623 local lxc_arch=$(chroot ${lxc_root} $personality uname -i)
624 # on debian systems we get arch through the 'arch' command
625 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot ${lxc_root} $personality arch)
627 local packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
628 local groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
630 case "$pkg_method" in
632 # --allowerasing required starting with fedora24
635 chroot ${lxc_root} $personality dnf --version && has_dnf=true
636 if [ -n "$has_dnf" ]; then
637 echo "container has dnf - invoking with --allowerasing"
638 local pkg_installer="dnf -y install --allowerasing"
639 local grp_installer="dnf -y groupinstall --allowerasing"
641 echo "container has only dnf"
642 local pkg_installer="dnf -y install"
643 local grp_installer="dnf -y groupinstall"
645 [ -n "$packages" ] && chroot ${lxc_root} $personality $pkg_installer $packages
646 for group_plus in $groups; do
647 local group=$(echo $group_plus | sed -e "s,+++, ,g")
648 chroot ${lxc_root} $personality $grp_installer "$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 local personality=$1; shift
682 local lxc_root=$(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 $GUEST_IP
700 # just in case, let's stay on the safe side
701 function sshd_disable_password_auth () {
703 local lxc_root=$(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 local personality=$1; shift
716 local lxc_root=$(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 local personality=$1; shift
738 local lxc_root=$(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 local 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=$1; shift; }
780 #wait max 2 min for sshd to start
782 local current_time=$(date +%s)
783 local 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 # some of our boxes have gone through a long upgrade historically, and
792 # so they don't end up with the same gid mapping for the ssh_keys
793 # group as the ones in the guest that result from a fresh install
794 virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "chown root:ssh_keys /etc/ssh/*_key" || :
795 counter=$(($counter+1))
797 current_time=$(date +%s)
800 # Thierry: this is fatal, let's just exit with a failure here
801 [ -z $success ] && { echo "SSHD in container $lxc could not be reached (guest_ip=$guest_ip)" ; exit 1 ; }
806 function failure () {
807 echo "$COMMAND : Bailing out"
813 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
814 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
816 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
817 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
818 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
820 echo "Supported options"
821 echo " -n hostname - the hostname to use in container"
822 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
823 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
824 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
825 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
826 echo " -P pkgs_file - defines a set of extra packages to install in guest"
827 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
828 echo " -i image - the location of the rootfs"
829 echo " -m memory - the amount of allocated memory in MB - defaults to $DEFAULT_MEMORY MB"
830 echo " -s do not start VM"
831 echo " -v be verbose"
839 #trap failure ERR INT
841 if [ "$(id -u)" != "0" ]; then
842 echo "This script should be run as 'root'"
847 while getopts "n:f:d:p:r:P:i:m:sv" opt ; do
849 n) GUEST_HOSTNAME=$OPTARG;;
850 f) fcdistro=$OPTARG;;
851 d) pldistro=$OPTARG;;
852 p) personality=$OPTARG;;
853 r) REPO_URL=$OPTARG;;
854 P) PREINSTALLED=$OPTARG;;
858 v) VERBOSE=true; set -x;;
863 shift $(($OPTIND - 1))
865 # parse fixed arguments
866 [[ -z "$@" ]] && usage
868 local lxc_root=$(lxcroot $lxc)
871 # when using with the -i option, checking that $lxc_root is void
872 # is a little too much stress..
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 if [ ! -d "$IMAGE" ]; then
882 echo "$IMAGE rootfs folder does not exist - exiting"
885 echo "Copying $IMAGE into $lxc_root with rsync --archive --delete"
886 rsync --archive --delete $IMAGE/ $lxc_root/
890 # check we've exhausted the arguments
891 [[ -n "$@" ]] && usage
893 # NAT_MODE is true unless we specified a hostname
894 [ -n "$GUEST_HOSTNAME" ] || NAT_MODE=true
897 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
898 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
899 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
900 [ -z "$MEMORY" ] && MEMORY=$DEFAULT_MEMORY
903 MEMORY=$(($MEMORY * 1024))
905 # the set of preinstalled packages - depends on mode
906 if [ -z "$PREINSTALLED" ] ; then
907 if [ -n "$NAT_MODE" ] ; then
908 PREINSTALLED=devel.pkgs
910 PREINSTALLED=runtime.pkgs
914 if [ -n "$NAT_MODE" ] ; then
915 # we can now set GUEST_HOSTNAME safely
916 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$(echo $lxc | sed -e 's,\.,-,g')
918 # as this command can be used in other contexts, not specifying
919 # a repo is considered a warning
920 # use -r none to get rid of this warning
921 if [ "$REPO_URL" == "none" ] ; then
923 elif [ -z "$REPO_URL" ] ; then
924 echo "WARNING -- setting up a yum repo is recommended"
929 fedora_release=$(echo $fcdistro | cut -df -f2)
931 if [ "$personality" == "linux32" ]; then
934 elif [ "$personality" == "linux64" ]; then
938 echo "Unknown personality: $personality"
941 # compute networking details for the test mode
942 # (build mode relies entirely on dhcp on the private subnet)
943 if [ -z "$NAT_MODE" ] ; then
945 #create_bridge_if_needed $PUBLIC_BRIDGE
946 lbuild-bridge.sh $PUBLIC_BRIDGE
948 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
949 # use same NETMASK as bridge interface br0
950 masklen=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
951 NETMASK=$(masklen_to_netmask $masklen)
952 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
953 VIF_HOST="vif$(echo $GUEST_HOSTNAME | cut -d. -f1)"
956 setup_lxc $lxc $fcdistro $pldistro $personality
958 # historically this command is for setting up a build or a test VM
959 # kind of patchy right now though
960 devel_or_test_tools $lxc $fcdistro $pldistro $personality
962 # container gets started here
963 post_install $lxc $personality