10 # pkgs parsing utilities
11 export PATH=$(dirname $0):$PATH
17 DEFAULT_PERSONALITY=linux64
19 COMMAND_LBUILD="lbuild-initvm.sh"
20 COMMAND_LTEST="ltest-initvm.sh"
23 # when creating build boxes we use private NAT'ed addresses for the VMs
24 # as per virbr0 that is taken care of by libvirt at startup
25 PRIVATE_BRIDGE="virbr0"
26 PRIVATE_PREFIX="192.168.122."
27 PRIVATE_GATEWAY="192.168.122.1"
28 # beware that changing this would break the logic of random_private_byte...
31 # we just try randomly in that range until a free IP address shows up
37 # the network interface name as seen from the container
40 ##############################
41 ## stolen from tests/system/template-qemu/qemu-bridge-init
42 # use /proc/net/dev instead of a hard-wired list
43 function gather_interfaces () {
45 for line in file("/proc/net/dev"):
46 if ':' not in line: continue
47 ifname=line.replace(" ","").split(":")[0]
48 if ifname.find("lo")==0: continue
49 if ifname.find("br")==0: continue
50 if ifname.find("virbr")==0: continue
51 if ifname.find("tap")==0: continue
56 function discover_interface () {
57 for ifname in $(gather_interfaces); do
58 ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
60 # still not found ? that's bad
63 ########## check for a free IP
64 function ip_is_busy () {
66 ping -c 1 -W 1 $target >& /dev/null
69 function random_private_byte () {
70 for attempt in $(seq $PRIVATE_ATTEMPTS); do
71 byte=$(($RANDOM % 256))
72 if [ "$byte" == 0 -o "$byte" == 1 ] ; then continue; fi
73 ip=${PRIVATE_PREFIX}${byte}
74 ip_is_busy $ip || { echo $byte; return; }
76 echo "Cannot seem to find a free IP address in range ${PRIVATE_PREFIX}.xx/24 after $PRIVATE_ATTEMPTS attempts - exiting"
80 ########## networking -- ctd
81 function gethostbyname () {
83 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
86 # e.g. 21 -> 255.255.248.0
87 function masklen_to_netmask () {
92 if not (masklen>=1 and masklen<=32):
93 print "Wrong masklen",masklen
101 result.append(masklen)
103 print ".".join([ str(256-2**(8-i)) for i in result ])
108 #################### bridge initialization
109 function create_bridge_if_needed() {
114 # already created ? - we're done
115 ip addr show $PUBLIC_BRIDGE >& /dev/null && {
116 echo "Bridge already set up - skipping create_bridge_if_needed"
120 # find out the physical interface to bridge onto
121 if_lan=$(discover_interface)
123 ip addr show $if_lan &>/dev/null || {
124 echo "Cannot use interface $if_lan - exiting"
128 #################### bride initialization
129 check_yum_installed bridge-utils
131 echo "========== $COMMAND: entering create_bridge - beg"
136 echo "========== $COMMAND: entering create_bridge - end"
138 # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
140 # another option would be to accept the all forward packages for
141 # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
142 sysctl net.bridge.bridge-nf-call-iptables=0
143 sysctl net.bridge.bridge-nf-call-ip6tables=0
144 sysctl net.bridge.bridge-nf-call-arptables=0
147 #Getting host IP/masklen
148 address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
149 [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
151 broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
152 [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
154 gateway=$(ip route show | grep default | awk '{print $3;}')
155 [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
158 # creating the bridge
159 echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
160 brctl addbr $PUBLIC_BRIDGE
161 brctl addif $PUBLIC_BRIDGE $if_lan
162 echo "Activating promiscuous mode if_lan=$if_lan"
163 ip link set $if_lan up promisc on
165 # rely on dhcp to re assign IP..
166 echo "Starting dhclient on $PUBLIC_BRIDGE"
167 dhclient $PUBLIC_BRIDGE
170 #Reconfigure the routing table
171 echo "Configuring gateway=$gateway"
172 ip route add default via $gateway dev $PUBLIC_BRIDGE
173 ip route del default via $gateway dev $if_lan
174 # at this point we have an extra route like e.g.
176 #default via 138.96.112.250 dev br0
177 #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
178 #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
179 #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
180 route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
181 ip route del $route_dest dev $if_lan
183 echo "========== $COMMAND: exiting create_bridge - beg"
186 echo "========== $COMMAND: exiting create_bridge - end"
194 ##############################
195 # return yum or debootstrap
196 function package_method () {
199 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
200 squeeze|wheezy|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
201 *) echo Unknown distro $fcdistro ;;
205 # return arch from debian distro and personality
206 function canonical_arch () {
207 personality=$1; shift
209 case $(package_method $fcdistro) in
211 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
213 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
215 echo Unknown-arch-3 ;;
219 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
220 function almost_empty () {
222 # non existing is fine
223 [ ! -d $dir ] && return 0;
224 # need to have at most one file
225 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
228 ##############################
229 function check_yum_installed () {
231 rpm -q $package >& /dev/null || yum -y install $package
234 function check_yumgroup_installed () {
236 yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
239 ##############################
240 function fedora_install() {
244 cache=/var/cache/lxc/fedora/$arch/$release
246 mkdir -p /var/lock/subsys/
248 flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
250 if [ ! -e "$cache/rootfs" ]; then
251 echo "Getting cache download in $cache/rootfs ... "
252 fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
254 echo "Updating cache $cache/rootfs ..."
255 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
256 echo "Failed to update 'fedora base', continuing with last known good cache"
258 echo "Update finished"
262 echo "Copy $cache/rootfs to $lxc_root ... "
263 rsync -a $cache/rootfs/ $lxc_root/
267 ) 200>/var/lock/subsys/lxc
272 function fedora_download() {
274 # check the mini fedora was not already downloaded
275 INSTALL_ROOT=$cache/partial
278 # download a mini fedora into a cache
279 echo "Downloading fedora minimal ..."
281 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
283 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
284 mkdir -p $INSTALL_ROOT/dev
285 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
286 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
288 # copy yum config and repo files
289 cp /etc/yum.conf $INSTALL_ROOT/etc/
290 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
292 # append fedora repo files with desired $release and $basearch
293 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
294 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
297 MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os
298 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
299 # with fedora18 the rpms are scattered by first name
300 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
301 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
303 for attempt in $RELEASE_URL1 $RELEASE_URL2; do
304 if curl -f $attempt -o $RELEASE_TARGET ; then
305 echo "Retrieved $attempt"
309 echo "Failed attempt $attempt"
312 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
314 mkdir -p $INSTALL_ROOT/var/lib/rpm
315 rpm --root $INSTALL_ROOT --initdb
316 # when installing f12 this apparently is already present, so ignore result
317 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
318 # however f12 root images won't get created on a f18 host
319 # (the issue here is the same as the one we ran into when dealing with a vs-box)
320 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
321 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
322 # with file from package filesystem-2.4.30-2.fc12.x86_64
323 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
324 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
325 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
326 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
328 YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
329 PKG_LIST="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
330 echo "$YUM install $PKG_LIST"
331 $YUM install $PKG_LIST || { echo "Failed to download rootfs, aborting." ; return 1; }
333 mv "$INSTALL_ROOT" "$cache/rootfs"
334 echo "Download complete."
339 ##############################
340 function fedora_configure() {
345 # disable selinux in fedora
346 mkdir -p $lxc_root/selinux
347 echo 0 > $lxc_root/selinux/enforce
352 cat <<EOF > ${lxc_root}/etc/hostname
357 cat <<EOF > ${lxc_root}/etc/sysconfig/network
359 HOSTNAME=$GUEST_HOSTNAME
362 cat <<EOF > $lxc_root/etc/hosts
363 127.0.0.1 localhost $GUEST_HOSTNAME
368 dev_path="${lxc_root}/dev"
371 mknod -m 666 ${dev_path}/null c 1 3
372 mknod -m 666 ${dev_path}/zero c 1 5
373 mknod -m 666 ${dev_path}/random c 1 8
374 mknod -m 666 ${dev_path}/urandom c 1 9
375 mkdir -m 755 ${dev_path}/pts
376 mkdir -m 1777 ${dev_path}/shm
377 mknod -m 666 ${dev_path}/tty c 5 0
378 mknod -m 666 ${dev_path}/tty0 c 4 0
379 mknod -m 666 ${dev_path}/tty1 c 4 1
380 mknod -m 666 ${dev_path}/tty2 c 4 2
381 mknod -m 666 ${dev_path}/tty3 c 4 3
382 mknod -m 666 ${dev_path}/tty4 c 4 4
383 mknod -m 600 ${dev_path}/console c 5 1
384 mknod -m 666 ${dev_path}/full c 1 7
385 mknod -m 600 ${dev_path}/initctl p
386 mknod -m 666 ${dev_path}/ptmx c 5 2
388 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
389 fedora_configure_init
391 fedora_configure_systemd
394 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
395 ( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
397 fedora_configure_yum $lxc $fcdistro $pldistro
402 function fedora_configure_init() {
405 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
406 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
407 # don't mount devpts, for pete's sake
408 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
409 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
410 chroot ${lxc_root} chkconfig udev-post off
411 chroot ${lxc_root} chkconfig network on
414 # this code of course is for guests that do run on systemd
415 function fedora_configure_systemd() {
418 # so ignore if we can't find /etc/systemd at all
419 [ -d ${lxc_root}/etc/systemd ] || return 0
420 # otherwise let's proceed
421 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
422 touch ${lxc_root}/etc/fstab
423 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
425 # this was intended for f16 initially, in order to enable getty that otherwise would not start
426 # having a getty running is helpful only if ssh won't start though, and we see a correlation between
427 # VM's that refuse to lxc-stop and VM's that run crazy getty's
428 # so, turning getty off for now instead
429 # #dependency on a device unit fails it specially that we disabled udev
430 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
431 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
432 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
433 # can't seem to handle this one with systemctl
434 chroot ${lxc_root} chkconfig network on
437 # overwrite container yum config
438 function fedora_configure_yum () {
448 chroot $lxc_root rpm --rebuilddb
450 echo "Initializing yum.repos.d in $lxc"
451 rm -f $lxc_root/etc/yum.repos.d/*
453 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
455 name=Fedora $release - $arch
456 baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
460 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
463 name=Fedora $release - $arch - Updates
464 baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
468 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
471 # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
472 # just mention 'none' as the repo url
473 if [ -n "$REPO_URL" ] ; then
474 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
475 echo "WARNING : cannot create myplc repo"
477 # exclude kernel from fedora repos
478 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
479 for repo in $lxc_root/etc/yum.repos.d/* ; do
480 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
482 # the build repo is not signed at this stage
483 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
494 ##############################
495 # need to specify the right mirror for debian variants like ubuntu and the like
496 function debian_mirror () {
500 echo http://ftp2.fr.debian.org/debian/ ;;
501 oneiric|precise|quantal|raring|saucy)
502 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
503 *) echo unknown distro $fcdistro; exit 1;;
507 function debian_install () {
511 arch=$(canonical_arch $personality $fcdistro)
512 mirror=$(debian_mirror $fcdistro)
513 debootstrap --arch $arch $fcdistro $lxc_root $mirror
516 function debian_configure () {
517 guest_interfaces=${lxc_root}/etc/network/interfaces
518 ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
521 function write_guest_interfaces_build () {
524 iface $VIF_GUEST inet dhcp
528 function write_guest_interfaces_test () {
537 ##############################
538 function setup_lxc() {
542 #trap failure ERR INT
547 personality=$1; shift
549 # create lxc container
551 pkg_method=$(package_method $fcdistro)
554 fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
555 fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
558 debian_install || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
559 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
562 echo "$COMMAND:: unknown package_method - exiting"
567 # Enable cgroup -- xxx -- is this really useful ?
568 mkdir $lxc_root/cgroup
571 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
572 # and /etc/hosts for at least localhost
573 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
575 # grant ssh access from host to guest
576 mkdir $lxc_root/root/.ssh
577 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
579 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
580 config_xml=$tmp/$lxc.xml
581 ( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
583 # define lxc container for libvirt
584 virsh -c lxc:/// define $config_xml
589 function write_lxc_xml_test () {
594 <memory>524288</memory>
596 <type arch='$arch2'>exe</type>
597 <init>/sbin/init</init>
603 <clock offset='utc'/>
604 <on_poweroff>destroy</on_poweroff>
605 <on_reboot>restart</on_reboot>
606 <on_crash>destroy</on_crash>
608 <emulator>/usr/libexec/libvirt_lxc</emulator>
609 <filesystem type='mount'>
610 <source dir='$lxc_root'/>
613 <interface type="bridge">
614 <source bridge="$PUBLIC_BRIDGE"/>
615 <target dev='$VIF_HOST'/>
617 <console type='pty' />
620 <name>host-bridge</name>
621 <forward mode="bridge"/>
622 <bridge name="$PUBLIC_BRIDGE"/>
628 function write_lxc_xml_build () {
633 <memory>524288</memory>
635 <type arch='$arch2'>exe</type>
636 <init>/sbin/init</init>
642 <clock offset='utc'/>
643 <on_poweroff>destroy</on_poweroff>
644 <on_reboot>restart</on_reboot>
645 <on_crash>destroy</on_crash>
647 <emulator>/usr/libexec/libvirt_lxc</emulator>
648 <filesystem type='mount'>
649 <source dir='$lxc_root'/>
652 <interface type="network">
653 <source network="default"/>
655 <console type='pty' />
661 # this one is dhcp-based
662 function write_guest_ifcfg_build () {
673 # use fixed IP as specified by GUEST_HOSTNAME
674 function write_guest_ifcfg_test () {
679 HOSTNAME=$GUEST_HOSTNAME
689 function devel_or_vtest_tools () {
698 personality=$1; shift
700 pkg_method=$(package_method $fcdistro)
702 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
704 ### install individual packages, then groups
705 # get target arch - use uname -i here (we want either x86_64 or i386)
707 lxc_arch=$(chroot $lxc_root uname -i)
708 # on debian systems we get arch through the 'arch' command
709 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $lxc_root arch)
711 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
712 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
714 case "$pkg_method" in
716 [ -n "$packages" ] && chroot $lxc_root yum -y install $packages
717 for group_plus in $groups; do
718 group=$(echo $group_plus | sed -e "s,+++, ,g")
719 chroot $lxc_root yum -y groupinstall "$group"
721 # store current rpm list in /init-lxc.rpms in case we need to check the contents
722 chroot $lxc_root rpm -aq > $lxc_root/init-lxc.rpms
726 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
727 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
728 # we need at least to add the 'universe' feed for python-rpm
729 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
730 # also adding a link to updates sounds about right
731 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
733 chroot $lxc_root apt-get update
734 for package in $packages ; do
735 # close stdin in an attempt to avoid this hanging
736 # xxx also we ignore result for now, not sure if the kind of errors like below
737 # truly is serious or not
738 #Setting up at (3.1.13-2ubuntu2) ...
739 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
740 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
741 #start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
743 chroot $lxc_root apt-get install -y $package < /dev/null || :
745 ### xxx todo install groups with apt..
748 echo "unknown pkg_method $pkg_method"
755 function post_install () {
757 personality=$1; shift
758 if [ -n "$BUILD_MODE" ] ; then
759 post_install_build $lxc $personality
761 # manually run dhclient in guest - somehow this network won't start on its own
762 virsh -c lxc:/// lxc-enter-namespace $lxc $(bin_in_container $lxc dhclient) $VIF_GUEST
764 post_install_myplc $lxc $personality
768 # setup localtime from the host
769 cp /etc/localtime $lxc_root/etc/localtime
772 function post_install_build () {
779 personality=$1; shift
781 ### From myplc-devel-native.spec
782 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
783 cat << EOF | chroot $lxc_root bash -x
784 # set up /dev/loop* in lxc
785 for i in \$(seq 0 255) ; do
786 /bin/mknod -m 640 /dev/loop\$i b 7 \$i
789 # create symlink for /dev/fd
790 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
792 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
793 /bin/sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
794 if [ -h "/sbin/new-kernel-pkg" ] ; then
795 filename=\$(/bin/readlink -f /sbin/new-kernel-pkg)
796 if [ "\$filename" == "/sbin/true" ] ; then
797 /bin/echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
798 /bin/echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
799 /bin/echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
804 # customize root's prompt
805 /bin/cat << PROFILE > /root/.profile
806 export PS1="[$lxc] \\w # "
812 # add a "build" user to the system
813 builduser=\$(grep "^build:" /etc/passwd | wc -l)
814 if [ \$builduser -eq 0 ] ; then
815 groupadd -o -g \$gid build;
816 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
819 # Allow build user to build certain RPMs as root
820 if [ -f /etc/sudoers ] ; then
821 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
822 if [ \$buildsudo -eq 0 ] ; then
823 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
825 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
832 function post_install_myplc () {
838 personality=$1; shift
840 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
841 cat << EOF | chroot $lxc_root bash -x
843 # create /etc/sysconfig/network if missing
844 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
846 # create symlink for /dev/fd
847 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
849 # turn off regular crond, as plc invokes plc_crond
850 /sbin/chkconfig crond off
852 # take care of loginuid in /etc/pam.d
853 /bin/sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
855 # customize root's prompt
856 /bin/cat << PROFILE > /root/.profile
857 export PS1="[$lxc] \\w # "
863 function lxc_start() {
867 #trap failure ERR INT
871 virsh -c lxc:/// start $lxc
876 function wait_for_ssh () {
879 #trap failure ERR INT
883 echo $IP is up, waiting for ssh...
885 #wait max 5 min for sshd to start
887 stop_time=$(($(date +%s) + 300))
888 current_time=$(date +%s)
891 while [ "$current_time" -lt "$stop_time" ] ; do
892 echo "$counter-th attempt to reach sshd in container $lxc ..."
893 ssh -o "StrictHostKeyChecking no" $IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
895 current_time=$(($current_time + 10))
896 counter=$(($counter+1))
899 # Thierry: this is fatal, let's just exit with a failure here
900 [ -z $ssh_up ] && { echo "SSHD in container $lxc is not running" ; exit 1 ; }
905 function failure () {
906 echo "$COMMAND : Bailing out"
912 echo "Usage: $COMMAND_LBUILD [options] lxc-name"
913 echo "Usage: $COMMAND_LTEST [options] lxc-name"
915 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
916 echo "Supported options"
917 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
918 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
919 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
920 echo " -n hostname - the hostname to use in container - required with $COMMAND_LTEST"
921 echo " -r repo-url - used to populate yum.repos.d - required with $COMMAND_LTEST"
922 echo " -P pkgs_file - defines the set of extra pacakges"
923 echo " by default we use vtest.pkgs or devel.pkgs according to $COMMAND"
924 echo " -v be verbose"
932 #trap failure ERR INT
934 if [ "$(id -u)" != "0" ]; then
935 echo "This script should be run as 'root'"
948 echo 'build mode=' $BUILD_MODE 'test mode=' $TEST_MODE
950 # the set of preinstalled packages - depends on vbuild or vtest
951 if [ -n "$BUILD_MODE" ] ; then
952 PREINSTALLED=devel.pkgs
954 PREINSTALLED=vtest.pkgs
956 while getopts "f:d:p:n:r:P:v" opt ; do
958 f) fcdistro=$OPTARG;;
959 d) pldistro=$OPTARG;;
960 p) personality=$OPTARG;;
961 n) GUEST_HOSTNAME=$OPTARG;;
962 r) REPO_URL=$OPTARG;;
963 P) PREINSTALLED=$OPTARG;;
964 v) VERBOSE=true; set -x;;
969 shift $(($OPTIND - 1))
971 # parse fixed arguments
972 [[ -z "$@" ]] && usage
977 # check we've exhausted the arguments
978 [[ -n "$@" ]] && usage
980 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
981 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
982 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
984 if [ -n "$BUILD_MODE" ] ; then
985 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
987 [[ -z "$GUEST_HOSTNAME" ]] && usage
988 # use -r none to get rid of this warning
989 if [ "$REPO_URL" == "none" ] ; then
991 elif [ -z "$REPO_URL" ] ; then
992 echo "WARNING -- setting up a yum repo is recommended"
997 release=$(echo $fcdistro | cut -df -f2)
999 if [ "$personality" == "linux32" ]; then
1002 elif [ "$personality" == "linux64" ]; then
1006 echo "Unknown personality: $personality"
1009 if [ -n "$BUILD_MODE" ] ; then
1011 # Bridge IP affectation
1012 byte=$(random_private_byte)
1013 IP=${PRIVATE_PREFIX}$byte
1014 NETMASK=$(masklen_to_netmask $PRIVATE_MASKLEN)
1015 GATEWAY=$PRIVATE_GATEWAY
1018 [[ -z "GUEST_HOSTNAME" ]] && usage
1020 create_bridge_if_needed
1022 IP=$(gethostbyname $GUEST_HOSTNAME)
1023 # use same NETMASK as bridge interface br0
1024 MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
1025 NETMASK=$(masklen_to_netmask $MASKLEN)
1026 GATEWAY=$(ip route show | grep default | awk '{print $3}')
1027 VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
1030 echo "the IP address of container $lxc is $IP, host virtual interface is $VIF_HOST"
1033 [ -d $lxc_root ] && \
1034 { echo "container $lxc already exists in filesystem - exiting" ; exit 1 ; }
1035 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
1036 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
1038 setup_lxc $lxc $fcdistro $pldistro $personality
1040 devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
1042 post_install $lxc $personality