4 # close stdin, as with ubuntu and debian VMs this script tends to hang and wait for input ..
13 # pkgs parsing utilities
14 export PATH=$(dirname $0):$PATH
20 DEFAULT_PERSONALITY=linux64
22 COMMAND_LBUILD="lbuild-initvm.sh"
23 COMMAND_LTEST="ltest-initvm.sh"
26 # when creating build boxes we use private NAT'ed addresses for the VMs
27 # as per virbr0 that is taken care of by libvirt at startup
28 PRIVATE_BRIDGE="virbr0"
29 PRIVATE_PREFIX="192.168.122."
30 PRIVATE_GATEWAY="192.168.122.1"
31 # beware that changing this would break the logic of random_private_byte...
34 # we just try randomly in that range until a free IP address shows up
40 # the network interface name as seen from the container
43 ##############################
44 ## stolen from tests/system/template-qemu/qemu-bridge-init
45 # use /proc/net/dev instead of a hard-wired list
46 function gather_interfaces () {
48 for line in file("/proc/net/dev"):
49 if ':' not in line: continue
50 ifname=line.replace(" ","").split(":")[0]
51 if ifname.find("lo")==0: continue
52 if ifname.find("br")==0: continue
53 if ifname.find("virbr")==0: continue
54 if ifname.find("tap")==0: continue
59 function discover_interface () {
60 for ifname in $(gather_interfaces); do
61 ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
63 # still not found ? that's bad
66 ########## check for a free IP
67 function ip_is_busy () {
69 ping -c 1 -W 1 $target >& /dev/null
72 function random_private_byte () {
73 for attempt in $(seq $PRIVATE_ATTEMPTS); do
74 byte=$(($RANDOM % 256))
75 if [ "$byte" == 0 -o "$byte" == 1 ] ; then continue; fi
76 ip=${PRIVATE_PREFIX}${byte}
77 ip_is_busy $ip || { echo $byte; return; }
79 echo "Cannot seem to find a free IP address in range ${PRIVATE_PREFIX}.xx/24 after $PRIVATE_ATTEMPTS attempts - exiting"
83 ########## networking -- ctd
84 function gethostbyname () {
86 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
89 # e.g. 21 -> 255.255.248.0
90 function masklen_to_netmask () {
95 if not (masklen>=1 and masklen<=32):
96 print "Wrong masklen",masklen
104 result.append(masklen)
106 print ".".join([ str(256-2**(8-i)) for i in result ])
111 #################### bridge initialization
112 function create_bridge_if_needed() {
117 # already created ? - we're done
118 ip addr show $PUBLIC_BRIDGE >& /dev/null && {
119 echo "Bridge already set up - skipping create_bridge_if_needed"
123 # find out the physical interface to bridge onto
124 if_lan=$(discover_interface)
126 ip addr show $if_lan &>/dev/null || {
127 echo "Cannot use interface $if_lan - exiting"
131 #################### bride initialization
132 check_yum_installed bridge-utils
134 echo "========== $COMMAND: entering create_bridge - beg"
139 echo "========== $COMMAND: entering create_bridge - end"
141 # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
143 # another option would be to accept the all forward packages for
144 # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
145 sysctl net.bridge.bridge-nf-call-iptables=0
146 sysctl net.bridge.bridge-nf-call-ip6tables=0
147 sysctl net.bridge.bridge-nf-call-arptables=0
150 #Getting host IP/masklen
151 address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
152 [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
154 broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
155 [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
157 gateway=$(ip route show | grep default | awk '{print $3;}')
158 [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
161 # creating the bridge
162 echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
163 brctl addbr $PUBLIC_BRIDGE
164 brctl addif $PUBLIC_BRIDGE $if_lan
165 echo "Activating promiscuous mode if_lan=$if_lan"
166 ip link set $if_lan up promisc on
168 # rely on dhcp to re assign IP..
169 echo "Starting dhclient on $PUBLIC_BRIDGE"
170 dhclient $PUBLIC_BRIDGE
173 #Reconfigure the routing table
174 echo "Configuring gateway=$gateway"
175 ip route add default via $gateway dev $PUBLIC_BRIDGE
176 ip route del default via $gateway dev $if_lan
177 # at this point we have an extra route like e.g.
179 #default via 138.96.112.250 dev br0
180 #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
181 #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
182 #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
183 route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
184 ip route del $route_dest dev $if_lan
186 echo "========== $COMMAND: exiting create_bridge - beg"
189 echo "========== $COMMAND: exiting create_bridge - end"
197 ##############################
198 # return yum or debootstrap
199 function package_method () {
202 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
203 squeeze|wheezy|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
204 *) echo Unknown distro $fcdistro ;;
208 # return arch from debian distro and personality
209 function canonical_arch () {
210 personality=$1; shift
212 case $(package_method $fcdistro) in
214 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
216 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
218 echo Unknown-arch-3 ;;
222 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
223 function almost_empty () {
225 # non existing is fine
226 [ ! -d $dir ] && return 0;
227 # need to have at most one file
228 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
231 ##############################
232 function check_yum_installed () {
234 rpm -q $package >& /dev/null || yum -y install $package
237 function check_yumgroup_installed () {
239 yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
242 ##############################
243 function fedora_install() {
247 cache=/var/cache/lxc/fedora/$arch/$release
249 mkdir -p /var/lock/subsys/
251 flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
253 if [ ! -e "$cache/rootfs" ]; then
254 echo "Getting cache download in $cache/rootfs ... "
255 fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
257 echo "Updating cache $cache/rootfs ..."
258 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
259 echo "Failed to update 'fedora base', continuing with last known good cache"
261 echo "Update finished"
265 echo "Copy $cache/rootfs to $lxc_root ... "
266 rsync -a $cache/rootfs/ $lxc_root/
270 ) 200>/var/lock/subsys/lxc
275 function fedora_download() {
277 # check the mini fedora was not already downloaded
278 INSTALL_ROOT=$cache/partial
281 # download a mini fedora into a cache
282 echo "Downloading fedora minimal ..."
284 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
286 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
287 mkdir -p $INSTALL_ROOT/dev
288 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
289 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
291 # copy yum config and repo files
292 cp /etc/yum.conf $INSTALL_ROOT/etc/
293 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
295 # append fedora repo files with desired $release and $basearch
296 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
297 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
300 MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os
301 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
302 # with fedora18 the rpms are scattered by first name
303 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
304 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
306 for attempt in $RELEASE_URL1 $RELEASE_URL2; do
307 if curl -f $attempt -o $RELEASE_TARGET ; then
308 echo "Retrieved $attempt"
312 echo "Failed attempt $attempt"
315 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
317 mkdir -p $INSTALL_ROOT/var/lib/rpm
318 rpm --root $INSTALL_ROOT --initdb
319 # when installing f12 this apparently is already present, so ignore result
320 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
321 # however f12 root images won't get created on a f18 host
322 # (the issue here is the same as the one we ran into when dealing with a vs-box)
323 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
324 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
325 # with file from package filesystem-2.4.30-2.fc12.x86_64
326 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
327 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
328 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
329 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
331 YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
332 PKG_LIST="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
333 echo "$YUM install $PKG_LIST"
334 $YUM install $PKG_LIST || { echo "Failed to download rootfs, aborting." ; return 1; }
336 mv "$INSTALL_ROOT" "$cache/rootfs"
337 echo "Download complete."
342 ##############################
343 function fedora_configure() {
348 # disable selinux in fedora
349 mkdir -p $lxc_root/selinux
350 echo 0 > $lxc_root/selinux/enforce
355 cat <<EOF > ${lxc_root}/etc/hostname
360 cat <<EOF > ${lxc_root}/etc/sysconfig/network
362 HOSTNAME=$GUEST_HOSTNAME
365 cat <<EOF > $lxc_root/etc/hosts
366 127.0.0.1 localhost $GUEST_HOSTNAME
371 dev_path="${lxc_root}/dev"
374 mknod -m 666 ${dev_path}/null c 1 3
375 mknod -m 666 ${dev_path}/zero c 1 5
376 mknod -m 666 ${dev_path}/random c 1 8
377 mknod -m 666 ${dev_path}/urandom c 1 9
378 mkdir -m 755 ${dev_path}/pts
379 mkdir -m 1777 ${dev_path}/shm
380 mknod -m 666 ${dev_path}/tty c 5 0
381 mknod -m 666 ${dev_path}/tty0 c 4 0
382 mknod -m 666 ${dev_path}/tty1 c 4 1
383 mknod -m 666 ${dev_path}/tty2 c 4 2
384 mknod -m 666 ${dev_path}/tty3 c 4 3
385 mknod -m 666 ${dev_path}/tty4 c 4 4
386 mknod -m 600 ${dev_path}/console c 5 1
387 mknod -m 666 ${dev_path}/full c 1 7
388 mknod -m 600 ${dev_path}/initctl p
389 mknod -m 666 ${dev_path}/ptmx c 5 2
391 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
392 fedora_configure_init
394 fedora_configure_systemd
397 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
398 ( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
400 fedora_configure_yum $lxc $fcdistro $pldistro
405 function fedora_configure_init() {
408 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
409 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
410 # don't mount devpts, for pete's sake
411 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
412 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
413 chroot ${lxc_root} chkconfig udev-post off
414 chroot ${lxc_root} chkconfig network on
417 # this code of course is for guests that do run on systemd
418 function fedora_configure_systemd() {
421 # so ignore if we can't find /etc/systemd at all
422 [ -d ${lxc_root}/etc/systemd ] || return 0
423 # otherwise let's proceed
424 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
425 touch ${lxc_root}/etc/fstab
426 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
428 # this was intended for f16 initially, in order to enable getty that otherwise would not start
429 # having a getty running is helpful only if ssh won't start though, and we see a correlation between
430 # VM's that refuse to lxc-stop and VM's that run crazy getty's
431 # so, turning getty off for now instead
432 # #dependency on a device unit fails it specially that we disabled udev
433 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
434 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
435 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
436 # can't seem to handle this one with systemctl
437 chroot ${lxc_root} chkconfig network on
440 # overwrite container yum config
441 function fedora_configure_yum () {
451 chroot $lxc_root rpm --rebuilddb
453 echo "Initializing yum.repos.d in $lxc"
454 rm -f $lxc_root/etc/yum.repos.d/*
456 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
458 name=Fedora $release - $arch
459 baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
463 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
466 name=Fedora $release - $arch - Updates
467 baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
471 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
474 # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
475 # just mention 'none' as the repo url
476 if [ -n "$REPO_URL" ] ; then
477 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
478 echo "WARNING : cannot create myplc repo"
480 # exclude kernel from fedora repos
481 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
482 for repo in $lxc_root/etc/yum.repos.d/* ; do
483 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
485 # the build repo is not signed at this stage
486 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
497 ##############################
498 # need to specify the right mirror for debian variants like ubuntu and the like
499 function debian_mirror () {
503 echo http://ftp2.fr.debian.org/debian/ ;;
504 oneiric|precise|quantal|raring|saucy)
505 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
506 *) echo unknown distro $fcdistro; exit 1;;
510 function debian_install () {
514 arch=$(canonical_arch $personality $fcdistro)
515 mirror=$(debian_mirror $fcdistro)
516 debootstrap --arch $arch $fcdistro $lxc_root $mirror
519 function debian_configure () {
520 guest_interfaces=${lxc_root}/etc/network/interfaces
521 ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
524 function write_guest_interfaces_build () {
527 iface $VIF_GUEST inet dhcp
531 function write_guest_interfaces_test () {
540 ##############################
541 function setup_lxc() {
545 #trap failure ERR INT
550 personality=$1; shift
552 # create lxc container
554 pkg_method=$(package_method $fcdistro)
557 fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
558 fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
561 debian_install || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
562 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
565 echo "$COMMAND:: unknown package_method - exiting"
570 # Enable cgroup -- xxx -- is this really useful ?
571 mkdir $lxc_root/cgroup
574 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
575 # and /etc/hosts for at least localhost
576 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
578 # grant ssh access from host to guest
579 mkdir $lxc_root/root/.ssh
580 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
582 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
583 config_xml=$tmp/$lxc.xml
584 ( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
586 # define lxc container for libvirt
587 virsh -c lxc:/// define $config_xml
592 function write_lxc_xml_test () {
597 <memory>524288</memory>
599 <type arch='$arch2'>exe</type>
600 <init>/sbin/init</init>
606 <clock offset='utc'/>
607 <on_poweroff>destroy</on_poweroff>
608 <on_reboot>restart</on_reboot>
609 <on_crash>destroy</on_crash>
611 <emulator>/usr/libexec/libvirt_lxc</emulator>
612 <filesystem type='mount'>
613 <source dir='$lxc_root'/>
616 <interface type="bridge">
617 <source bridge="$PUBLIC_BRIDGE"/>
618 <target dev='$VIF_HOST'/>
620 <console type='pty' />
623 <name>host-bridge</name>
624 <forward mode="bridge"/>
625 <bridge name="$PUBLIC_BRIDGE"/>
631 function write_lxc_xml_build () {
636 <memory>524288</memory>
638 <type arch='$arch2'>exe</type>
639 <init>/sbin/init</init>
645 <clock offset='utc'/>
646 <on_poweroff>destroy</on_poweroff>
647 <on_reboot>restart</on_reboot>
648 <on_crash>destroy</on_crash>
650 <emulator>/usr/libexec/libvirt_lxc</emulator>
651 <filesystem type='mount'>
652 <source dir='$lxc_root'/>
655 <interface type="network">
656 <source network="default"/>
658 <console type='pty' />
664 # this one is dhcp-based
665 function write_guest_ifcfg_build () {
676 # use fixed IP as specified by GUEST_HOSTNAME
677 function write_guest_ifcfg_test () {
682 HOSTNAME=$GUEST_HOSTNAME
692 function devel_or_vtest_tools () {
701 personality=$1; shift
703 pkg_method=$(package_method $fcdistro)
705 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
707 ### install individual packages, then groups
708 # get target arch - use uname -i here (we want either x86_64 or i386)
710 lxc_arch=$(chroot $lxc_root uname -i)
711 # on debian systems we get arch through the 'arch' command
712 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $lxc_root arch)
714 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
715 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
717 case "$pkg_method" in
719 [ -n "$packages" ] && chroot $lxc_root yum -y install $packages
720 for group_plus in $groups; do
721 group=$(echo $group_plus | sed -e "s,+++, ,g")
722 chroot $lxc_root yum -y groupinstall "$group"
724 # store current rpm list in /init-lxc.rpms in case we need to check the contents
725 chroot $lxc_root rpm -aq > $lxc_root/init-lxc.rpms
729 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
730 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
731 # we need at least to add the 'universe' feed for python-rpm
732 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
733 # also adding a link to updates sounds about right
734 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
736 chroot $lxc_root apt-get update
737 for package in $packages ; do
738 # close stdin in an attempt to avoid this hanging
739 # xxx also we ignore result for now, not sure if the kind of errors like below
740 # truly is serious or not
741 #Setting up at (3.1.13-2ubuntu2) ...
742 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
743 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
744 #start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
746 chroot $lxc_root apt-get install -y $package < /dev/null || :
748 ### xxx todo install groups with apt..
751 echo "unknown pkg_method $pkg_method"
758 function post_install () {
760 personality=$1; shift
761 if [ -n "$BUILD_MODE" ] ; then
762 post_install_build $lxc $personality
764 # manually run dhclient in guest - somehow this network won't start on its own
765 virsh -c lxc:/// lxc-enter-namespace $lxc $(bin_in_container $lxc dhclient) $VIF_GUEST
767 post_install_myplc $lxc $personality
771 # setup localtime from the host
772 cp /etc/localtime $lxc_root/etc/localtime
775 function post_install_build () {
782 personality=$1; shift
784 ### From myplc-devel-native.spec
785 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
786 cat << EOF | chroot $lxc_root bash -x
787 # set up /dev/loop* in lxc
788 for i in \$(seq 0 255) ; do
789 /bin/mknod -m 640 /dev/loop\$i b 7 \$i
792 # create symlink for /dev/fd
793 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
795 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
796 /bin/sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
797 if [ -h "/sbin/new-kernel-pkg" ] ; then
798 filename=\$(/bin/readlink -f /sbin/new-kernel-pkg)
799 if [ "\$filename" == "/sbin/true" ] ; then
800 /bin/echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
801 /bin/echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
802 /bin/echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
807 # customize root's prompt
808 /bin/cat << PROFILE > /root/.profile
809 export PS1="[$lxc] \\w # "
815 # add a "build" user to the system
816 builduser=\$(grep "^build:" /etc/passwd | wc -l)
817 if [ \$builduser -eq 0 ] ; then
818 groupadd -o -g \$gid build;
819 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
822 # Allow build user to build certain RPMs as root
823 if [ -f /etc/sudoers ] ; then
824 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
825 if [ \$buildsudo -eq 0 ] ; then
826 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
828 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
835 function post_install_myplc () {
841 personality=$1; shift
843 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
844 cat << EOF | chroot $lxc_root bash -x
846 # create /etc/sysconfig/network if missing
847 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
849 # create symlink for /dev/fd
850 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
852 # turn off regular crond, as plc invokes plc_crond
853 /sbin/chkconfig crond off
855 # take care of loginuid in /etc/pam.d
856 /bin/sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
858 # customize root's prompt
859 /bin/cat << PROFILE > /root/.profile
860 export PS1="[$lxc] \\w # "
866 function lxc_start() {
870 #trap failure ERR INT
874 virsh -c lxc:/// start $lxc
879 function wait_for_ssh () {
882 #trap failure ERR INT
886 echo $IP is up, waiting for ssh...
888 #wait max 5 min for sshd to start
890 stop_time=$(($(date +%s) + 300))
891 current_time=$(date +%s)
894 while [ "$current_time" -lt "$stop_time" ] ; do
895 echo "$counter-th attempt to reach sshd in container $lxc ..."
896 ssh -o "StrictHostKeyChecking no" $IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
898 current_time=$(($current_time + 10))
899 counter=$(($counter+1))
902 # Thierry: this is fatal, let's just exit with a failure here
903 [ -z $ssh_up ] && { echo "SSHD in container $lxc is not running" ; exit 1 ; }
908 function failure () {
909 echo "$COMMAND : Bailing out"
915 echo "Usage: $COMMAND_LBUILD [options] lxc-name"
916 echo "Usage: $COMMAND_LTEST [options] lxc-name"
918 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
919 echo "Supported options"
920 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
921 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
922 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
923 echo " -n hostname - the hostname to use in container - required with $COMMAND_LTEST"
924 echo " -r repo-url - used to populate yum.repos.d - required with $COMMAND_LTEST"
925 echo " -P pkgs_file - defines the set of extra pacakges"
926 echo " by default we use vtest.pkgs or devel.pkgs according to $COMMAND"
927 echo " -v be verbose"
935 #trap failure ERR INT
937 if [ "$(id -u)" != "0" ]; then
938 echo "This script should be run as 'root'"
951 echo 'build mode=' $BUILD_MODE 'test mode=' $TEST_MODE
953 # the set of preinstalled packages - depends on vbuild or vtest
954 if [ -n "$BUILD_MODE" ] ; then
955 PREINSTALLED=devel.pkgs
957 PREINSTALLED=vtest.pkgs
959 while getopts "f:d:p:n:r:P:v" opt ; do
961 f) fcdistro=$OPTARG;;
962 d) pldistro=$OPTARG;;
963 p) personality=$OPTARG;;
964 n) GUEST_HOSTNAME=$OPTARG;;
965 r) REPO_URL=$OPTARG;;
966 P) PREINSTALLED=$OPTARG;;
967 v) VERBOSE=true; set -x;;
972 shift $(($OPTIND - 1))
974 # parse fixed arguments
975 [[ -z "$@" ]] && usage
977 lxc_root=/vservers/$lxc
979 [ -d $lxc_root ] && \
980 { echo "container $lxc already exists in filesystem - exiting" ; exit 1 ; }
981 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
982 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
985 # check we've exhausted the arguments
986 [[ -n "$@" ]] && usage
988 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
989 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
990 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
992 if [ -n "$BUILD_MODE" ] ; then
993 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
995 [[ -z "$GUEST_HOSTNAME" ]] && usage
996 # use -r none to get rid of this warning
997 if [ "$REPO_URL" == "none" ] ; then
999 elif [ -z "$REPO_URL" ] ; then
1000 echo "WARNING -- setting up a yum repo is recommended"
1005 release=$(echo $fcdistro | cut -df -f2)
1007 if [ "$personality" == "linux32" ]; then
1010 elif [ "$personality" == "linux64" ]; then
1014 echo "Unknown personality: $personality"
1017 if [ -n "$BUILD_MODE" ] ; then
1019 # Bridge IP affectation
1020 byte=$(random_private_byte)
1021 IP=${PRIVATE_PREFIX}$byte
1022 NETMASK=$(masklen_to_netmask $PRIVATE_MASKLEN)
1023 GATEWAY=$PRIVATE_GATEWAY
1026 [[ -z "GUEST_HOSTNAME" ]] && usage
1028 create_bridge_if_needed
1030 IP=$(gethostbyname $GUEST_HOSTNAME)
1031 # use same NETMASK as bridge interface br0
1032 MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
1033 NETMASK=$(masklen_to_netmask $MASKLEN)
1034 GATEWAY=$(ip route show | grep default | awk '{print $3}')
1035 VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
1038 echo "the IP address of container $lxc is $IP, host virtual interface is $VIF_HOST"
1040 setup_lxc $lxc $fcdistro $pldistro $personality
1042 devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
1044 post_install $lxc $personality