3 # close stdin, as with ubuntu and debian VMs this script tends to hang and wait for input ..
12 # pkgs parsing utilities
13 export PATH=$(dirname $0):$PATH
15 # old guests have e.g. mount in /bin but this is no longer part of
16 # the standard PATH in recent hosts after usrmove, so let's keep it simple
17 export PATH=$PATH:/bin:/sbin
23 DEFAULT_PERSONALITY=linux64
29 # the network interface name as seen from the container
33 FEDORA_PREINSTALLED="yum initscripts passwd rsyslog vim-minimal dhclient chkconfig rootfiles policycoreutils openssh-server openssh-clients"
34 DEBIAN_PREINSTALLED="openssh-server openssh-client"
36 ##############################
37 ## stolen from tests/system/template-qemu/qemu-bridge-init
38 # use /proc/net/dev instead of a hard-wired list
39 function gather_interfaces () {
41 for line in file("/proc/net/dev"):
42 if ':' not in line: continue
43 ifname=line.replace(" ","").split(":")[0]
44 if ifname.find("lo")==0: continue
45 if ifname.find("br")==0: continue
46 if ifname.find("virbr")==0: continue
47 if ifname.find("veth")==0: continue
48 if ifname.find("tap")==0: continue
53 function discover_interface () {
54 for ifname in $(gather_interfaces); do
55 ip link show $ifname | grep -qi 'state UP' && { echo $ifname; return; }
57 # still not found ? that's bad
61 ########## networking -- ctd
62 function gethostbyname () {
64 python -c "import socket; print socket.gethostbyname('"$hostname"')" 2> /dev/null
67 # e.g. 21 -> 255.255.248.0
68 function masklen_to_netmask () {
73 if not (masklen>=1 and masklen<=32):
74 print "Wrong masklen",masklen
82 result.append(masklen)
84 print ".".join([ str(256-2**(8-i)) for i in result ])
89 #################### bridge initialization
90 function create_bridge_if_needed() {
95 # already created ? - we're done
96 ip addr show $PUBLIC_BRIDGE >& /dev/null && {
97 echo "Bridge already set up - skipping create_bridge_if_needed"
101 # find out the physical interface to bridge onto
102 if_lan=$(discover_interface)
104 ip addr show $if_lan &>/dev/null || {
105 echo "Cannot use interface $if_lan - exiting"
109 #################### bride initialization
110 check_yum_installed bridge-utils
112 echo "========== $COMMAND: entering create_bridge - beg"
117 echo "========== $COMMAND: entering create_bridge - end"
119 # disable netfilter calls for bridge interface (they cause panick on 2.6.35 anyway)
121 # another option would be to accept the all forward packages for
122 # bridged interface like: -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT
123 sysctl net.bridge.bridge-nf-call-iptables=0
124 sysctl net.bridge.bridge-nf-call-ip6tables=0
125 sysctl net.bridge.bridge-nf-call-arptables=0
128 #Getting host IP/masklen
129 address=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $2;}')
130 [ -z "$address" ] && { echo "ERROR: Could not determine IP address for $if_lan" ; exit 1 ; }
132 broadcast=$(ip addr show $if_lan | grep -v inet6 | grep inet | head --lines=1 | awk '{print $4;}')
133 [ -z "$broadcast" ] && echo "WARNING: Could not determine broadcast address for $if_lan"
135 gateway=$(ip route show | grep default | awk '{print $3;}')
136 [ -z "$gateway" ] && echo "WARNING: Could not determine gateway IP"
139 # creating the bridge
140 echo "Creating bridge PUBLIC_BRIDGE=$PUBLIC_BRIDGE"
141 brctl addbr $PUBLIC_BRIDGE
142 brctl addif $PUBLIC_BRIDGE $if_lan
143 echo "Activating promiscuous mode if_lan=$if_lan"
144 ip link set $if_lan up promisc on
146 # rely on dhcp to re assign IP..
147 echo "Starting dhclient on $PUBLIC_BRIDGE"
148 dhclient $PUBLIC_BRIDGE
151 #Reconfigure the routing table
152 echo "Configuring gateway=$gateway"
153 ip route add default via $gateway dev $PUBLIC_BRIDGE
154 ip route del default via $gateway dev $if_lan
155 # at this point we have an extra route like e.g.
157 #default via 138.96.112.250 dev br0
158 #138.96.112.0/21 dev em1 proto kernel scope link src 138.96.112.57
159 #138.96.112.0/21 dev br0 proto kernel scope link src 138.96.112.57
160 #192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1
161 route_dest=$(ip route show | grep -v default | grep "dev $PUBLIC_BRIDGE" | awk '{print $1;}')
162 ip route del $route_dest dev $if_lan
164 echo "========== $COMMAND: exiting create_bridge - beg"
167 echo "========== $COMMAND: exiting create_bridge - end"
175 ##############################
176 # return yum or debootstrap
177 function package_method () {
180 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
181 squeeze|wheezy|jessie|oneiric|precise|quantal|raring|saucy) echo debootstrap ;;
182 *) echo Unknown distro $fcdistro ;;
186 # return arch from debian distro and personality
187 function canonical_arch () {
188 personality=$1; shift
190 case $(package_method $fcdistro) in
192 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
194 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
196 echo Unknown-arch-3 ;;
200 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
201 function almost_empty () {
203 # non existing is fine
204 [ ! -d $dir ] && return 0;
205 # need to have at most one file
206 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
209 ##############################
210 function check_yum_installed () {
212 rpm -q $package >& /dev/null || yum -y install $package
215 function check_yumgroup_installed () {
217 yum grouplist "$group" | grep -q Installed || { yum -y groupinstall "$group" ; }
220 ##############################
221 function fedora_install() {
225 cache=/var/cache/lxc/fedora/$arch/$release
227 mkdir -p /var/lock/subsys/
229 flock -n -x 200 || { echo "Cache repository is busy." ; return 1 ; }
231 if [ ! -e "$cache/rootfs" ]; then
232 echo "Getting cache download in $cache/rootfs ... "
233 fedora_download || { echo "Failed to download 'fedora base'"; return 1; }
235 echo "Updating cache $cache/rootfs ..."
236 if ! yum --installroot $cache/rootfs -y --nogpgcheck update ; then
237 echo "Failed to update 'fedora base', continuing with last known good cache"
239 echo "Update finished"
243 echo "Copy $cache/rootfs to $lxc_root ... "
244 rsync -a $cache/rootfs/ $lxc_root/
248 ) 200>/var/lock/subsys/lxc
253 function fedora_download() {
255 # check the mini fedora was not already downloaded
256 INSTALL_ROOT=$cache/partial
259 # download a mini fedora into a cache
260 echo "Downloading fedora minimal ..."
262 mkdir -p $INSTALL_ROOT || { echo "Failed to create '$INSTALL_ROOT' directory" ; return 1; }
264 mkdir -p $INSTALL_ROOT/etc/yum.repos.d
265 mkdir -p $INSTALL_ROOT/dev
266 mknod -m 0444 $INSTALL_ROOT/dev/random c 1 8
267 mknod -m 0444 $INSTALL_ROOT/dev/urandom c 1 9
269 # copy yum config and repo files
270 cp /etc/yum.conf $INSTALL_ROOT/etc/
271 cp /etc/yum.repos.d/fedora* $INSTALL_ROOT/etc/yum.repos.d/
273 # append fedora repo files with desired $release and $basearch
274 for f in $INSTALL_ROOT/etc/yum.repos.d/* ; do
275 sed -i "s/\$basearch/$arch/g; s/\$releasever/$release/g;" $f
278 MIRROR_URL=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os
279 RELEASE_URL1="$MIRROR_URL/Packages/fedora-release-$release-1.noarch.rpm"
280 # with fedora18 the rpms are scattered by first name
281 RELEASE_URL2="$MIRROR_URL/Packages/f/fedora-release-$release-1.noarch.rpm"
282 RELEASE_TARGET=$INSTALL_ROOT/fedora-release-$release.noarch.rpm
284 for attempt in $RELEASE_URL1 $RELEASE_URL2; do
285 if curl -f $attempt -o $RELEASE_TARGET ; then
286 echo "Retrieved $attempt"
290 echo "Failed attempt $attempt"
293 [ -n "$found" ] || { echo "Could not retrieve fedora-release rpm - exiting" ; exit 1; }
295 mkdir -p $INSTALL_ROOT/var/lib/rpm
296 rpm --root $INSTALL_ROOT --initdb
297 # when installing f12 this apparently is already present, so ignore result
298 rpm --root $INSTALL_ROOT -ivh $INSTALL_ROOT/fedora-release-$release.noarch.rpm || :
299 # however f12 root images won't get created on a f18 host
300 # (the issue here is the same as the one we ran into when dealing with a vs-box)
301 # in a nutshell, in f12 the glibc-common and filesystem rpms have an apparent conflict
302 # >>> file /usr/lib/locale from install of glibc-common-2.11.2-3.x86_64 conflicts
303 # with file from package filesystem-2.4.30-2.fc12.x86_64
304 # in fact this was - of course - allowed by f12's rpm but later on a fix was made
305 # http://rpm.org/gitweb?p=rpm.git;a=commitdiff;h=cf1095648194104a81a58abead05974a5bfa3b9a
306 # So ideally if we want to be able to build f12 images from f18 we need an rpm that has
307 # this patch undone, like we have in place on our f14 boxes (our f14 boxes need a f18-like rpm)
309 YUM="yum --installroot=$INSTALL_ROOT --nogpgcheck -y"
310 echo "$YUM install $FEDORA_PREINSTALLED"
311 $YUM install $PKG_LIST || { echo "Failed to download rootfs, aborting." ; return 1; }
313 mv "$INSTALL_ROOT" "$cache/rootfs"
314 echo "Download complete."
319 ##############################
320 function fedora_configure() {
325 # disable selinux in fedora
326 mkdir -p $lxc_root/selinux
327 echo 0 > $lxc_root/selinux/enforce
332 cat <<EOF > ${lxc_root}/etc/hostname
337 cat <<EOF > ${lxc_root}/etc/sysconfig/network
339 HOSTNAME=$GUEST_HOSTNAME
342 cat <<EOF > $lxc_root/etc/hosts
343 127.0.0.1 localhost $GUEST_HOSTNAME
348 dev_path="${lxc_root}/dev"
351 mknod -m 666 ${dev_path}/null c 1 3
352 mknod -m 666 ${dev_path}/zero c 1 5
353 mknod -m 666 ${dev_path}/random c 1 8
354 mknod -m 666 ${dev_path}/urandom c 1 9
355 mkdir -m 755 ${dev_path}/pts
356 mkdir -m 1777 ${dev_path}/shm
357 mknod -m 666 ${dev_path}/tty c 5 0
358 mknod -m 666 ${dev_path}/tty0 c 4 0
359 mknod -m 666 ${dev_path}/tty1 c 4 1
360 mknod -m 666 ${dev_path}/tty2 c 4 2
361 mknod -m 666 ${dev_path}/tty3 c 4 3
362 mknod -m 666 ${dev_path}/tty4 c 4 4
363 mknod -m 600 ${dev_path}/console c 5 1
364 mknod -m 666 ${dev_path}/full c 1 7
365 mknod -m 600 ${dev_path}/initctl p
366 mknod -m 666 ${dev_path}/ptmx c 5 2
368 if [ "$(echo $fcdistro | cut -d"f" -f2)" -le "14" ]; then
369 fedora_configure_init
371 fedora_configure_systemd
374 guest_ifcfg=${lxc_root}/etc/sysconfig/network-scripts/ifcfg-$VIF_GUEST
375 ( [ -n "$BUILD_MODE" ] && write_guest_ifcfg_build || write_guest_ifcfg_test ) > $guest_ifcfg
377 fedora_configure_yum $lxc $fcdistro $pldistro
382 function fedora_configure_init() {
385 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.sysinit
386 sed -i 's|.sbin.start_udev||' ${lxc_root}/etc/rc.d/rc.sysinit
387 # don't mount devpts, for pete's sake
388 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.sysinit
389 sed -i 's/^.*dev.pts.*$/#\0/' ${lxc_root}/etc/rc.d/rc.sysinit
390 chroot ${lxc_root} chkconfig udev-post off
391 chroot ${lxc_root} chkconfig network on
394 # this code of course is for guests that do run on systemd
395 function fedora_configure_systemd() {
398 # so ignore if we can't find /etc/systemd at all
399 [ -d ${lxc_root}/etc/systemd ] || return 0
400 # otherwise let's proceed
401 ln -sf /lib/systemd/system/multi-user.target ${lxc_root}/etc/systemd/system/default.target
402 touch ${lxc_root}/etc/fstab
403 ln -sf /dev/null ${lxc_root}/etc/systemd/system/udev.service
405 # this was intended for f16 initially, in order to enable getty that otherwise would not start
406 # having a getty running is helpful only if ssh won't start though, and we see a correlation between
407 # VM's that refuse to lxc-stop and VM's that run crazy getty's
408 # so, turning getty off for now instead
409 # #dependency on a device unit fails it specially that we disabled udev
410 # sed -i 's/After=dev-%i.device/After=/' ${lxc_root}/lib/systemd/system/getty\@.service
411 ln -sf /dev/null ${lxc_root}/etc/systemd/system/"getty@.service"
412 rm -f ${lxc_root}/etc/systemd/system/getty.target.wants/*service || :
413 # can't seem to handle this one with systemctl
414 chroot ${lxc_root} chkconfig network on
417 # overwrite container yum config
418 function fedora_configure_yum () {
428 chroot $lxc_root rpm --rebuilddb
430 echo "Initializing yum.repos.d in $lxc"
431 rm -f $lxc_root/etc/yum.repos.d/*
433 cat > $lxc_root/etc/yum.repos.d/building.repo <<EOF
435 name=Fedora $release - $arch
436 baseurl=http://mirror.onelab.eu/fedora/releases/$release/Everything/$arch/os/
440 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
443 name=Fedora $release - $arch - Updates
444 baseurl=http://mirror.onelab.eu/fedora/updates/$release/$arch/
448 gpgkey=http://mirror.onelab.eu/keys/RPM-GPG-KEY-fedora-$release-primary
451 # for using vtest-init-lxc.sh as a general-purpose lxc creation wrapper
452 # just mention 'none' as the repo url
453 if [ -n "$REPO_URL" ] ; then
454 if [ ! -d $lxc_root/etc/yum.repos.d ] ; then
455 echo "WARNING : cannot create myplc repo"
457 # exclude kernel from fedora repos
458 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
459 for repo in $lxc_root/etc/yum.repos.d/* ; do
460 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
462 # the build repo is not signed at this stage
463 cat > $lxc_root/etc/yum.repos.d/myplc.repo <<EOF
474 ##############################
475 # need to specify the right mirror for debian variants like ubuntu and the like
476 function debian_mirror () {
479 squeeze|wheezy|jessie)
480 echo http://ftp2.fr.debian.org/debian/ ;;
481 oneiric|precise|quantal|raring|saucy)
482 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
483 *) echo unknown distro $fcdistro; exit 1;;
487 function debian_install () {
492 arch=$(canonical_arch $personality $fcdistro)
493 mirror=$(debian_mirror $fcdistro)
494 debootstrap --arch $arch $fcdistro $lxc_root $mirror
495 # just like with fedora we ensure a few packages get installed as well
496 virsh -c lxc:/// $lxc lxc-enter-namespace /bin/bash -c "apt-get update"
497 virsh -c lxc:/// $lxc lxc-enter-namespace /bin/bash -c "apt-get -y install $DEBIAN_PREINSTALLED"
500 function debian_configure () {
501 guest_interfaces=${lxc_root}/etc/network/interfaces
502 ( [ -n "$BUILD_MODE" ] && write_guest_interfaces_build || write_guest_interfaces_test ) > $guest_interfaces
505 function write_guest_interfaces_build () {
508 iface $VIF_GUEST inet dhcp
512 function write_guest_interfaces_test () {
515 iface $VIF_GUEST inet static
521 ##############################
522 function setup_lxc() {
526 #trap failure ERR INT
531 personality=$1; shift
533 # create lxc container
535 pkg_method=$(package_method $fcdistro)
538 fedora_install || { echo "failed to install fedora root image"; exit 1 ; }
539 fedora_configure || { echo "failed to configure fedora for a container"; exit 1 ; }
542 debian_install $lxc || { echo "failed to install debian/ubuntu root image"; exit 1 ; }
543 debian_configure || { echo "failed to configure debian/ubuntu for a container"; exit 1 ; }
546 echo "$COMMAND:: unknown package_method - exiting"
551 # Enable cgroup -- xxx -- is this really useful ?
552 mkdir $lxc_root/cgroup
555 cp /etc/resolv.conf $lxc_root/etc/resolv.conf
556 # and /etc/hosts for at least localhost
557 [ -f $lxc_root/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > $lxc_root/etc/hosts
559 # grant ssh access from host to guest
560 mkdir $lxc_root/root/.ssh
561 cat /root/.ssh/id_rsa.pub >> $lxc_root/root/.ssh/authorized_keys
563 # don't keep the input xml, this can be retrieved at all times with virsh dumpxml
564 config_xml=/tmp/$lxc.xml
565 ( [ -n "$BUILD_MODE" ] && write_lxc_xml_build $lxc || write_lxc_xml_test $lxc ) > $config_xml
567 # define lxc container for libvirt
568 virsh -c lxc:/// define $config_xml
573 function write_lxc_xml_test () {
578 <memory>524288</memory>
580 <type arch='$arch2'>exe</type>
581 <init>/sbin/init</init>
587 <clock offset='utc'/>
588 <on_poweroff>destroy</on_poweroff>
589 <on_reboot>restart</on_reboot>
590 <on_crash>destroy</on_crash>
592 <emulator>/usr/libexec/libvirt_lxc</emulator>
593 <filesystem type='mount'>
594 <source dir='$lxc_root'/>
597 <interface type="bridge">
598 <source bridge="$PUBLIC_BRIDGE"/>
599 <target dev='$VIF_HOST'/>
601 <console type='pty' />
604 <name>host-bridge</name>
605 <forward mode="bridge"/>
606 <bridge name="$PUBLIC_BRIDGE"/>
612 function write_lxc_xml_build () {
617 <memory>524288</memory>
619 <type arch='$arch2'>exe</type>
620 <init>/sbin/init</init>
626 <clock offset='utc'/>
627 <on_poweroff>destroy</on_poweroff>
628 <on_reboot>restart</on_reboot>
629 <on_crash>destroy</on_crash>
631 <emulator>/usr/libexec/libvirt_lxc</emulator>
632 <filesystem type='mount'>
633 <source dir='$lxc_root'/>
636 <interface type="network">
637 <source network="default"/>
639 <console type='pty' />
645 # this one is dhcp-based
646 function write_guest_ifcfg_build () {
657 # use fixed GUEST_IP as specified by GUEST_HOSTNAME
658 function write_guest_ifcfg_test () {
663 HOSTNAME=$GUEST_HOSTNAME
673 function devel_or_vtest_tools () {
682 personality=$1; shift
684 pkg_method=$(package_method $fcdistro)
686 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
688 ### install individual packages, then groups
689 # get target arch - use uname -i here (we want either x86_64 or i386)
691 lxc_arch=$(chroot $lxc_root uname -i)
692 # on debian systems we get arch through the 'arch' command
693 [ "$lxc_arch" = "unknown" ] && lxc_arch=$(chroot $lxc_root arch)
695 packages=$(pl_getPackages -a $lxc_arch $fcdistro $pldistro $pkgsfile)
696 groups=$(pl_getGroups -a $lxc_arch $fcdistro $pldistro $pkgsfile)
698 case "$pkg_method" in
700 [ -n "$packages" ] && chroot $lxc_root yum -y install $packages
701 for group_plus in $groups; do
702 group=$(echo $group_plus | sed -e "s,+++, ,g")
703 chroot $lxc_root yum -y groupinstall "$group"
705 # store current rpm list in /init-lxc.rpms in case we need to check the contents
706 chroot $lxc_root rpm -aq > $lxc_root/init-lxc.rpms
710 if grep -iq ubuntu /vservers/$lxc/etc/lsb-release 2> /dev/null; then
711 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
712 # we need at least to add the 'universe' feed for python-rpm
713 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
714 # also adding a link to updates sounds about right
715 ( cd /vservers/$lxc/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
717 # already done earlier - chroot $lxc_root apt-get update
718 for package in $packages ; do
719 # xxx also we ignore result for now, not sure if the kind of errors like below
720 # truly is serious or not
721 #Setting up at (3.1.13-2ubuntu2) ...
722 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
723 #initctl: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
724 #start: Unable to connect to Upstart: Failed to connect to socket /com/ubuntu/upstart: Connection refused
725 virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "apt-get install -y $package" || :
727 ### xxx todo install groups with apt..
730 echo "unknown pkg_method $pkg_method"
737 function post_install () {
739 personality=$1; shift
740 if [ -n "$BUILD_MODE" ] ; then
741 post_install_build $lxc $personality
743 # manually run dhclient in guest - somehow this network won't start on its own
744 virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "dhclient $VIF_GUEST"
746 post_install_myplc $lxc $personality
748 # it sounds like we don't need ssh per se any more
749 # it still makes sense to wait for network readiness though
753 # setup localtime from the host
754 cp /etc/localtime $lxc_root/etc/localtime
757 function post_install_build () {
764 personality=$1; shift
766 ### From myplc-devel-native.spec
767 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
768 cat << EOF | chroot $lxc_root bash -x
770 # customize root's prompt
771 /bin/cat << PROFILE > /root/.profile
772 export PS1="[$lxc] \\w # "
779 function post_install_myplc () {
785 personality=$1; shift
787 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
788 cat << EOF | chroot $lxc_root bash -x
790 # create /etc/sysconfig/network if missing
791 [ -f /etc/sysconfig/network ] || /bin/echo NETWORKING=yes > /etc/sysconfig/network
793 # turn off regular crond, as plc invokes plc_crond
794 /sbin/chkconfig crond off
796 # customize root's prompt
797 /bin/cat << PROFILE > /root/.profile
798 export PS1="[$lxc] \\w # "
804 function lxc_start() {
808 #trap failure ERR INT
812 virsh -c lxc:/// start $lxc
817 function wait_for_ssh () {
820 #trap failure ERR INT
824 echo network in guest is up, waiting for ssh...
826 #wait max 2 min for sshd to start
828 current_time=$(date +%s)
829 stop_time=$(($current_time + 120))
832 while [ "$current_time" -lt "$stop_time" ] ; do
833 echo "$counter-th attempt to reach sshd in container $lxc ..."
834 ssh -o "StrictHostKeyChecking no" $GUEST_IP 'uname -i' && { ssh_up=true; echo "SSHD in container $lxc is UP"; break ; } || :
836 current_time=$(($current_time + 10))
837 counter=$(($counter+1))
840 # Thierry: this is fatal, let's just exit with a failure here
841 [ -z $ssh_up ] && { echo "SSHD in container $lxc is not running" ; exit 1 ; }
846 function failure () {
847 echo "$COMMAND : Bailing out"
853 echo "Usage: $COMMAND [options] lxc-name (aka build mode)"
854 echo "Usage: $COMMAND -n hostname [options] lxc-name (aka test mode)"
856 echo " This command creates a fresh lxc instance, for building, or running a test myplc"
857 echo "In its first form, spawned VM gets a private IP bridged with virbr0 over dhcp/nat"
858 echo "With the second form, spawned VM gets a public IP bridged on public bridge br0"
860 echo "Supported options"
861 echo " -n hostname - the hostname to use in container"
862 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
863 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO - current support for fedoras debians ubuntus"
864 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
865 echo " -r repo-url - used to populate yum.repos.d - required in test mode"
866 echo " -P pkgs_file - defines a set of extra packages to install in guest"
867 echo " by default we use devel.pkgs (build mode) or runtime.pkgs (test mode)"
868 echo " -v be verbose"
876 #trap failure ERR INT
878 if [ "$(id -u)" != "0" ]; then
879 echo "This script should be run as 'root'"
883 while getopts "n:f:d:p:r:P:v" opt ; do
885 n) GUEST_HOSTNAME=$OPTARG;;
886 f) fcdistro=$OPTARG;;
887 d) pldistro=$OPTARG;;
888 p) personality=$OPTARG;;
889 r) REPO_URL=$OPTARG;;
890 P) PREINSTALLED=$OPTARG;;
891 v) VERBOSE=true; set -x;;
896 shift $(($OPTIND - 1))
898 # parse fixed arguments
899 [[ -z "$@" ]] && usage
901 lxc_root=/vservers/$lxc
903 almost_empty $lxc_root || \
904 { echo "container $lxc already exists in $lxc_root - exiting" ; exit 1 ; }
905 virsh -c lxc:/// domuuid $lxc >& /dev/null && \
906 { echo "container $lxc already exists in libvirt - exiting" ; exit 1 ; }
909 # check we've exhausted the arguments
910 [[ -n "$@" ]] && usage
912 # BUILD_MODE is true unless we specified a hostname
913 [ -n "$GUEST_HOSTNAME" ] || BUILD_MODE=true
916 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
917 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
918 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
920 # the set of preinstalled packages - depends on mode
921 if [ -z "$PREINSTALLED"] ; then
922 if [ -n "$BUILD_MODE" ] ; then
923 PREINSTALLED=devel.pkgs
925 PREINSTALLED=runtime.pkgs
929 if [ -n "$BUILD_MODE" ] ; then
930 # we can now set GUEST_HOSTNAME safely
931 [ -z "$GUEST_HOSTNAME" ] && GUEST_HOSTNAME=$lxc
933 # as this command can be used in other contexts, not specifying
934 # a repo is considered a warning
935 # use -r none to get rid of this warning
936 if [ "$REPO_URL" == "none" ] ; then
938 elif [ -z "$REPO_URL" ] ; then
939 echo "WARNING -- setting up a yum repo is recommended"
944 release=$(echo $fcdistro | cut -df -f2)
946 if [ "$personality" == "linux32" ]; then
949 elif [ "$personality" == "linux64" ]; then
953 echo "Unknown personality: $personality"
956 # compute networking details for the test mode
957 # (build mode relies entirely on dhcp on the private subnet)
958 if [ -z "$BUILD_MODE" ] ; then
960 create_bridge_if_needed
962 GUEST_IP=$(gethostbyname $GUEST_HOSTNAME)
963 # use same NETMASK as bridge interface br0
964 MASKLEN=$(ip addr show $PUBLIC_BRIDGE | grep -v inet6 | grep inet | awk '{print $2;}' | cut -d/ -f2)
965 NETMASK=$(masklen_to_netmask $MASKLEN)
966 GATEWAY=$(ip route show | grep default | awk '{print $3}' | head -1)
967 VIF_HOST="i$(echo $GUEST_HOSTNAME | cut -d. -f1)"
970 setup_lxc $lxc $fcdistro $pldistro $personality
972 devel_or_vtest_tools $lxc $fcdistro $pldistro $personality
974 post_install $lxc $personality