10 # pkgs parsing utilities
11 PATH=$(dirname $0):$PATH export PATH
13 # old guests have e.g. mount in /bin but this is no longer part of
14 # the standard PATH in recent hosts after usrmove, so let's keep it simple
15 PATH=$PATH:/bin:/sbin export PATH
21 DEFAULT_PERSONALITY=linux64
23 COMMAND_LBUILD="lbuild-initvm.sh"
24 COMMAND_LTEST="ltest-initvm.sh"
27 # when creating build boxes we use private NAT'ed addresses for the VMs
28 # as per virbr0 that is taken care of by libvirt at startup
29 PRIVATE_BRIDGE="virbr0"
30 PRIVATE_PREFIX="192.168.122."
31 PRIVATE_GATEWAY="192.168.122.1"
32 # beware that changing this would break the logic of random_private_byte...
35 # we just try randomly in that range until a free IP address shows up
41 # the network interface name as seen from the container
44 ##############################
45 ## stolen from tests/system/template-qemu/qemu-bridge-init
46 # use /proc/net/dev instead of a hard-wired list
47 function gather_interfaces () {
49 for line in file("/proc/net/dev"):
50 if ':' not in line: continue
51 ifname=line.replace(" ","").split(":")[0]
52 if ifname.find("lo")==0: continue
53 if ifname.find("br")==0: continue
54 if ifname.find("virbr")==0: continue
55 if ifname.find("tap")==0: continue
60 function discover_interface () {
61 for ifname in $(gather_interfaces); do
62 ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
64 # still not found ? that's bad
67 ########## check for a free IP
68 function ip_is_busy () {
70 ping -c 1 -W 1 $target >& /dev/null
73 function random_private_byte () {
74 for attempt in $(seq $PRIVATE_ATTEMPTS); do
75 byte=$(($RANDOM % 256))
76 if [ "$byte" == 0 -o "$byte" == 1 ] ; then continue; fi
77 ip=${PRIVATE_PREFIX}${byte}
78 ip_is_busy $ip || { echo $byte; return; }
80 echo "Cannot seem to find a free IP address in range ${PRIVATE_PREFIX}.xx/24 after $PRIVATE_ATTEMPTS attempts - exiting"
84 ########## networking -- ctd
85 function gethostbyname () {
87 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
90 # e.g. 21 -> 255.255.248.0
91 function masklen_to_netmask () {
96 if not (masklen>=1 and masklen<=32):
97 print "Wrong masklen",masklen
105 result.append(masklen)
107 print ".".join([ str(256-2**(8-i)) for i in result ])
112 #################### bridge initialization
113 function create_bridge_if_needed() {
118 # already created ? - we're done
119 ip addr show $PUBLIC_BRIDGE >& /dev/null && {
120 echo "Bridge already set up - skipping create_bridge_if_needed"
124 # find out the physical interface to bridge onto
125 if_lan=$(discover_interface)
127 ip addr show $if_lan &>/dev/null || {
128 echo "Cannot use interface $if_lan - exiting"
132 #################### bride initialization
133 check_yum_installed bridge-utils
135 echo "========== $COMMAND: entering create_bridge - beg"
140 echo "========== $COMMAND: entering create_bridge - end"
142 # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
144 # another option would be to accept the all forward packages for
145 # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
146 sysctl net.bridge.bridge-nf-call-iptables=0
147 sysctl net.bridge.bridge-nf-call-ip6tables=0
148 sysctl net.bridge.bridge-nf-call-arptables=0
151 #Getting host IP/masklen
152 address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
153 [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
155 broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
156 [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
158 gateway=$(ip route show | grep default | awk '{print $3;}')
159 [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
162 # creating the bridge
163 echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
164 brctl addbr $PUBLIC_BRIDGE
165 brctl addif $PUBLIC_BRIDGE $if_lan
166 echo "Activating promiscuous mode if_lan=$if_lan"
167 ip link set $if_lan up promisc on
169 # rely on dhcp to re assign IP..
170 echo "Starting dhclient on $PUBLIC_BRIDGE"
171 dhclient $PUBLIC_BRIDGE
174 #Reconfigure the routing table
175 echo "Configuring gateway=$gateway"
176 ip route add default via $gateway dev $PUBLIC_BRIDGE
177 ip route del default via $gateway dev $if_lan
178 # at this point we have an extra route like e.g.
180 #default via 138.96.112.250 dev br0
181 #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
182 #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
183 #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
184 route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
185 ip route del $route_dest dev $if_lan
187 echo "========== $COMMAND: exiting create_bridge - beg"
190 echo "========== $COMMAND: exiting create_bridge - end"
198 ##############################
199 # return yum or debootstrap
200 function package_method () {
203 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
204 squeeze|wheezy|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
205 *) echo Unknown distro $fcdistro ;;
209 # return arch from debian distro and personality
210 function canonical_arch () {
211 personality=$1; shift
213 case $(package_method $fcdistro) in
215 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
217 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
219 echo Unknown-arch-3 ;;
223 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
224 function almost_empty () {
226 # non existing is fine
227 [ ! -d $dir ] && return 0;
228 # need to have at most one file
229 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
232 ##############################
233 function check_yum_installed () {
235 rpm -q $package >& /dev/null || yum -y install $package
238 function check_yumgroup_installed () {
240 yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
243 ##############################
244 function fedora_install() {
248 mkdir -p /var/lock/subsys/
250 flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
252 if [ ! -e "$cache/rootfs" ]; then
253 echo "Getting cache download in $cache/rootfs ... "
254 fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
256 echo "Updating cache $cache/rootfs ..."
257 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
258 echo "Failed to update 'fedora base', continuing with last known good cache"
260 echo "Update finished"
264 echo "Copy $cache/rootfs to $rootfs_path ... "
265 mkdir -p $rootfs_path
266 rsync -a $cache/rootfs/ $rootfs_path/
270 ) 200>/var/lock/subsys/lxc
275 function fedora_download() {
277 # check the mini fedora was not already downloaded
278 INSTALL_ROOT=$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 $rootfs_path/selinux
350 echo 0 > $rootfs_path/selinux/enforce
355 cat <<EOF > ${rootfs_path}/etc/hostname
360 cat <<EOF > ${rootfs_path}/etc/sysconfig/network
362 HOSTNAME=$GUEST_HOSTNAME
365 cat <<EOF > $rootfs_path/etc/hosts
366 127.0.0.1 localhost $GUEST_HOSTNAME
371 dev_path="${rootfs_path}/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 #echo "setting root passwd to $root_password"
392 #echo "root:$root_password" | chroot $rootfs_path chpasswd
394 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
395 fedora_configure_init
397 fedora_configure_systemd
400 guest_ifcfg=${rootfs_path}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
401 ( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
403 fedora_configure_yum $lxc $fcdistro $pldistro
408 function fedora_configure_init() {
411 sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.sysinit
412 sed -i 's|.sbin.start_udev||' ${rootfs_path}/etc/rc.d/rc.sysinit
413 # don't mount devpts, for pete's sake
414 sed -i 's/^.*dev.pts.*$/#\0/' ${rootfs_path}/etc/rc.sysinit
415 sed -i 's/^.*dev.pts.*$/#\0/' ${rootfs_path}/etc/rc.d/rc.sysinit
416 chroot ${rootfs_path} chkconfig udev-post off
417 chroot ${rootfs_path} chkconfig network on
420 # this code of course is for guests that do run on systemd
421 function fedora_configure_systemd() {
424 # so ignore if we can't find /etc/systemd at all
425 [ -d ${rootfs_path}/etc/systemd ] || return 0
426 # otherwise let's proceed
427 ln -sf /lib/systemd/system/multi-user.target ${rootfs_path}/etc/systemd/system/default.target
428 touch ${rootfs_path}/etc/fstab
429 ln -sf /dev/null ${rootfs_path}/etc/systemd/system/udev.service
431 # this was intended for f16 initially, in order to enable getty that otherwise would not start
432 # having a getty running is helpful only if ssh won't start though, and we see a correlation between
433 # VM's that refuse to lxc-stop and VM's that run crazy getty's
434 # so, turning getty off for now instead
435 # #dependency on a device unit fails it specially that we disabled udev
436 # sed -i 's/After=dev-%i.device/After=/' ${rootfs_path}/lib/systemd/system/getty\@.service
437 ln -sf /dev/null ${rootfs_path}/etc/systemd/system/"getty@.service"
438 rm -f ${rootfs_path}/etc/systemd/system/getty.target.wants/*service || :
439 # can't seem to handle this one with systemctl
440 chroot ${rootfs_path} chkconfig network on
443 # overwrite container yum config
444 function fedora_configure_yum () {
454 chroot $rootfs_path rpm --rebuilddb
456 echo "Initializing yum.repos.d in $lxc"
457 rm -f $rootfs_path/etc/yum.repos.d/*
459 cat > $rootfs_path/etc/yum.repos.d/building.repo <<EOF
461 name=Fedora $release - $arch
462 baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
466 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
469 name=Fedora $release - $arch - Updates
470 baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
474 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
477 # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
478 # just mention 'none' as the repo url
479 if [ -n "$REPO_URL" ] ; then
480 if [ ! -d $rootfs_path/etc/yum.repos.d ] ; then
481 echo "WARNING : cannot create myplc repo"
483 # exclude kernel from fedora repos
484 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
485 for repo in $rootfs_path/etc/yum.repos.d/* ; do
486 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
488 # the build repo is not signed at this stage
489 cat > $rootfs_path/etc/yum.repos.d/myplc.repo <<EOF
500 ##############################
501 # need to specify the right mirror for debian variants like ubuntu and the like
502 function debian_mirror () {
506 echo http://ftp2.fr.debian.org/debian/ ;;
507 oneiric|precise|quantal|raring|saucy)
508 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
509 *) echo unknown distro $fcdistro; exit 1;;
513 function debian_install () {
516 mkdir -p $rootfs_path
517 arch=$(canonical_arch $personality $fcdistro)
518 mirror=$(debian_mirror $fcdistro)
519 debootstrap --arch $arch $fcdistro $rootfs_path $mirror
522 function debian_configure () {
523 guest_interfaces=${rootfs_path}/etc/network/interfaces
524 ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
527 function write_guest_interfaces_build () {
530 iface $VIF_GUEST inet dhcp
534 function write_guest_interfaces_test () {
543 ##############################
544 function setup_lxc() {
548 #trap failure ERR INT
553 personality=$1; shift
555 # create lxc container
557 pkg_method=$(package_method $fcdistro)
560 fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
561 fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
564 debian_install || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
565 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
568 echo "$COMMAND:: unknown package_method - exiting"
573 # Enable cgroup -- xxx -- is this really useful ?
574 mkdir $rootfs_path/cgroup
577 cp /etc/resolv.conf $rootfs_path/etc/resolv.conf
578 # and /etc/hosts for at least localhost
579 [ -f $rootfs_path/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $rootfs_path/etc/hosts
581 # grant ssh access from host to guest
582 mkdir $rootfs_path/root/.ssh
583 cat /root/.ssh/id_rsa.pub >> $rootfs_path/root/.ssh/authorized_keys
585 config_xml=$config_path/"lxc.xml"
586 ( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
588 # define lxc container for libvirt
589 virsh -c lxc:/// define $config_xml
594 function write_lxc_xml_test () {
599 <memory>524288</memory>
601 <type arch='$arch2'>exe</type>
602 <init>/sbin/init</init>
608 <clock offset='utc'/>
609 <on_poweroff>destroy</on_poweroff>
610 <on_reboot>restart</on_reboot>
611 <on_crash>destroy</on_crash>
613 <emulator>/usr/libexec/libvirt_lxc</emulator>
614 <filesystem type='mount'>
615 <source dir='$rootfs_path'/>
618 <interface type="bridge">
619 <source bridge="$PUBLIC_BRIDGE"/>
620 <target dev='$VIF_HOST'/>
622 <console type='pty' />
625 <name>host-bridge</name>
626 <forward mode="bridge"/>
627 <bridge name="$PUBLIC_BRIDGE"/>
633 function write_lxc_xml_build () {
638 <memory>524288</memory>
640 <type arch='$arch2'>exe</type>
641 <init>/sbin/init</init>
647 <clock offset='utc'/>
648 <on_poweroff>destroy</on_poweroff>
649 <on_reboot>restart</on_reboot>
650 <on_crash>destroy</on_crash>
652 <emulator>/usr/libexec/libvirt_lxc</emulator>
653 <filesystem type='mount'>
654 <source dir='$rootfs_path'/>
657 <interface type="network">
658 <source network="default"/>
660 <console type='pty' />
666 # this one is dhcp-based
667 function write_guest_ifcfg_build () {
678 # use fixed IP as specified by GUEST_HOSTNAME
679 function write_guest_ifcfg_test () {
684 HOSTNAME=$GUEST_HOSTNAME
694 function devel_or_vtest_tools () {
703 personality=$1; shift
705 pkg_method=$(package_method $fcdistro)
707 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
709 ### install individual packages, then groups
710 # get target arch - use uname -i here (we want either x86_64 or i386)
712 lxc_arch=$(chroot $rootfs_path uname -i)
713 # on debian systems we get arch through the 'arch' command
714 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $rootfs_path arch)
716 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
717 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
719 case "$pkg_method" in
721 [ -n "$packages" ] && chroot $rootfs_path yum -y install $packages
722 for group_plus in $groups; do
723 group=$(echo $group_plus | sed -e "s,+++, ,g")
724 chroot $rootfs_path yum -y groupinstall "$group"
726 # store current rpm list in /init-lxc.rpms in case we need to check the contents
727 chroot $rootfs_path rpm -aq > $rootfs_path/init-lxc.rpms
730 chroot $rootfs_path apt-get update
731 for package in $packages ; do
732 # close stdin in an attempt to avoid this hanging
733 # xxx also we ignore result for now, not sure if the kind of errors like below
734 # truly is serious or not
735 #Setting up at (3.1.13-2ubuntu2) ...
736 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
737 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
738 #start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
740 chroot $rootfs_path apt-get install -y $package < /dev/null || :
742 ### xxx todo install groups with apt..
745 echo "unknown pkg_method $pkg_method"
752 # would be much simpler if enter-lxc-namespace was looking along a PATH...
753 function bin_in_container () {
757 for path in /sbin /bin /usr/bin /usr/sbin; do
758 [ -f $rootfs_path/$path/$binary ] && { echo $path/$binary; return; }
760 echo bin_in_container_cannot_find_$binary
763 function post_install () {
765 personality=$1; shift
766 if [ -n "$BUILD_MODE" ] ; then
767 post_install_build $lxc $personality
769 # manually run dhclient in guest - somehow this network won't start on its own
770 virsh -c lxc:/// lxc-enter-namespace $lxc $(bin_in_container dhclient $lxc) $VIF_GUEST
772 post_install_myplc $lxc $personality
776 # setup localtime from the host
777 cp /etc/localtime $rootfs_path/etc/localtime
780 function post_install_build () {
787 personality=$1; shift
789 ### From myplc-devel-native.spec
790 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
791 cat << EOF | chroot $rootfs_path bash -x
792 # set up /dev/loop* in lxc
793 for i in \$(seq 0 255) ; do
794 /bin/mknod -m 640 /dev/loop\$i b 7 \$i
797 # create symlink for /dev/fd
798 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
800 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
801 /bin/sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
802 if [ -h "/sbin/new-kernel-pkg" ] ; then
803 filename=\$(/bin/readlink -f /sbin/new-kernel-pkg)
804 if [ "\$filename" == "/sbin/true" ] ; then
805 /bin/echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
806 /bin/echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
807 /bin/echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
812 # customize root's prompt
813 /bin/cat << PROFILE > /root/.profile
814 export PS1="[$lxc] \\w # "
820 # add a "build" user to the system
821 builduser=\$(grep "^build:" /etc/passwd | wc -l)
822 if [ \$builduser -eq 0 ] ; then
823 groupadd -o -g \$gid build;
824 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
827 # Allow build user to build certain RPMs as root
828 if [ -f /etc/sudoers ] ; then
829 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
830 if [ \$buildsudo -eq 0 ] ; then
831 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
833 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
840 function post_install_myplc () {
846 personality=$1; shift
848 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
849 cat << EOF | chroot $rootfs_path bash -x
851 # create /etc/sysconfig/network if missing
852 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
854 # create symlink for /dev/fd
855 [ ! -e "/dev/fd" ] && /bin/ln -s /proc/self/fd /dev/fd
857 # turn off regular crond, as plc invokes plc_crond
858 /sbin/chkconfig crond off
860 # take care of loginuid in /etc/pam.d
861 /bin/sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
863 # customize root's prompt
864 /bin/cat << PROFILE > /root/.profile
865 export PS1="[$lxc] \\w # "
871 function lxc_start() {
875 #trap failure ERR INT
879 virsh -c lxc:/// start $lxc
884 function wait_for_ssh () {
887 #trap failure ERR INT
891 echo $IP is up, waiting for ssh...
893 #wait max 5 min for sshd to start
895 stop_time=$(($(date +%s) + 300))
896 current_time=$(date +%s)
899 while [ "$current_time" -lt "$stop_time" ] ; do
900 echo "$counter-th attempt to reach sshd in container $lxc ..."
901 ssh -o "StrictHostKeyChecking no" $IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
903 current_time=$(($current_time + 10))
904 counter=$(($counter+1))
907 # Thierry: this is fatal, let's just exit with a failure here
908 [ -z $ssh_up ] && { echo "SSHD in container $lxc is not running" ; exit 1 ; }
913 function failure () {
914 echo "$COMMAND : Bailing out"
920 echo "Usage: $COMMAND_LBUILD [options] lxc-name"
921 echo "Usage: $COMMAND_LTEST [options] lxc-name"
923 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
924 echo "Supported options"
925 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
926 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
927 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
928 echo " -n hostname - the hostname to use in container - required with $COMMAND_LTEST"
929 echo " -r repo-url - used to populate yum.repos.d - required with $COMMAND_LTEST"
930 echo " -P pkgs_file - defines the set of extra pacakges"
931 echo " by default we use vtest.pkgs or devel.pkgs according to $COMMAND"
932 echo " -v be verbose"
940 #trap failure ERR INT
942 if [ "$(id -u)" != "0" ]; then
943 echo "This script should be run as 'root'"
956 echo 'build mode=' $BUILD_MODE 'test mode=' $TEST_MODE
958 # the set of preinstalled packages - depends on vbuild or vtest
959 if [ -n "$BUILD_MODE" ] ; then
960 PREINSTALLED=devel.pkgs
962 PREINSTALLED=vtest.pkgs
964 while getopts "f:d:p:n:r:P:v" opt ; do
966 f) fcdistro=$OPTARG;;
967 d) pldistro=$OPTARG;;
968 p) personality=$OPTARG;;
969 n) GUEST_HOSTNAME=$OPTARG;;
970 r) REPO_URL=$OPTARG;;
971 P) PREINSTALLED=$OPTARG;;
972 v) VERBOSE=true; set -x;;
977 shift $(($OPTIND - 1))
979 # parse fixed arguments
980 [[ -z "$@" ]] && usage
983 # check we've exhausted the arguments
984 [[ -n "$@" ]] && usage
986 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
987 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
988 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
990 if [ -n "$BUILD_MODE" ] ; then
991 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
993 [[ -z "$GUEST_HOSTNAME" ]] && usage
994 # use -r none to get rid of this warning
995 if [ "$REPO_URL" == "none" ] ; then
997 elif [ -z "$REPO_URL" ] ; then
998 echo "WARNING -- setting up a yum repo is recommended"
1003 release=$(echo $fcdistro | cut -df -f2)
1005 if [ "$personality" == "linux32" ]; then
1008 elif [ "$personality" == "linux64" ]; then
1012 echo "Unknown personality: $personality"
1015 if [ -n "$BUILD_MODE" ] ; then
1017 # Bridge IP affectation
1018 byte=$(random_private_byte)
1019 IP=${PRIVATE_PREFIX}$byte
1020 NETMASK=$(masklen_to_netmask $PRIVATE_MASKLEN)
1021 GATEWAY=$PRIVATE_GATEWAY
1024 [[ -z "GUEST_HOSTNAME" ]] && usage
1026 create_bridge_if_needed
1028 IP=$(gethostbyname $GUEST_HOSTNAME)
1029 # use same NETMASK as bridge interface br0
1030 MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
1031 NETMASK=$(masklen_to_netmask $MASKLEN)
1032 GATEWAY=$(ip route show | grep default | awk '{print $3}')
1033 VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
1036 echo "the IP address of container $lxc is $IP, host virtual interface is $VIF_HOST"
1039 [ ! -d $path ] && mkdir $path
1040 rootfs_path=$path/$lxc/rootfs
1041 config_path=$path/$lxc
1042 cache_base=/var/cache/lxc/fedora/$arch
1043 cache=$cache_base/$release
1046 # check whether the rootfs directory is created to know if the container exists
1047 # bacause /var/lib/lxc/$lxc is already created while putting $lxc.timestamp
1048 [ -d $rootfs_path ] && \
1049 { echo "container $lxc already exists in filesystem - exiting" ; exit 1 ; }
1050 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
1051 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
1053 setup_lxc $lxc $fcdistro $pldistro $personality
1055 devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
1057 post_install $lxc $personality