9 # pkgs parsing utilities
10 PATH=$(dirname $0):$PATH export PATH
14 DEFAULT_PLDISTRO=planetlab
15 DEFAULT_PERSONALITY=linux64
18 COMMAND_VBUILD="vbuild-init-vserver.sh"
19 COMMAND_MYPLC="vtest-init-vserver.sh"
22 echo "$COMMAND : Bailing out"
26 # overwrite vserver's internal yum config from what is in
27 # .distributions/<distrib>/yum/yum.conf and /yum.repos.d
29 function configure_yum_in_vserver () {
38 templates=/etc/vservers/.distributions/${fcdistro}
39 if [ -f ${templates}/yum/yum.conf ] ; then
40 echo "Initializing yum.conf in $vserver from ${templates}/yum"
41 sed -e "s!@YUMETCDIR@!/etc!g;
42 s!@YUMCACHEDIR@!/var/cache/yum!g;
43 s!@YUMLOGDIR@!/var/log!g;
44 s!@YUMLOCKDIR@!/var/lock!g;
45 " ${templates}/yum/yum.conf > /vservers/$vserver/etc/yum.conf
47 # post process the various @...@ variables from this yum.conf file.
49 echo "Using $fcdistro default for yum.conf"
52 if [ -d ${templates}/yum.repos.d ] ; then
53 echo "Initializing yum.repos.d in $vserver from ${templates}/yum.repos.d"
54 rm -rf /vservers/$vserver/etc/yum.repos.d
55 tar -C ${templates} -cf - yum.repos.d | tar -C /vservers/$vserver/etc -xvf -
57 echo "Cannot initialize yum.repos.d in $vserver"
60 # for using vtest-init-vserver.sh as a general-purpose vserver creation wrapper
61 # just mention 'none' as the repo url
62 if [ -n "$MYPLC_MODE" -a "$REPO_URL" != "none" ] ; then
63 if [ ! -d /vservers/$vserver/etc/yum.repos.d ] ; then
64 echo "WARNING : cannot create myplc repo"
66 # exclude kernel from fedora repos
67 yumexclude=$(pl_plcyumexclude $fcdistro $pldistro $DIRNAME)
68 for repo in /vservers/$vserver/etc/yum.repos.d/* ; do
69 [ -f $repo ] && yumconf_exclude $repo "exclude=$yumexclude"
71 # the build repo is not signed at this stage
72 cat > /vservers/$vserver/etc/yum.repos.d/myplc.repo <<EOF
83 # return yum or debootstrap
84 function package_method () {
87 f[0-9]*|centos[0-9]*|sl[0-9]*) echo yum ;;
88 squeeze|wheezy|oneiric|precise|quantal) echo debootstrap ;;
89 *) echo Unknown distro $fcdistro ;;
93 # need to specify the right mirror for debian variants like ubuntu and the like
94 function debian_mirror () {
98 echo http://ftp2.fr.debian.org/debian/ ;;
99 oneiric|precise|quantal)
100 echo http://mir1.ovh.net/ubuntu/ubuntu/ ;;
101 *) echo unknown distro $fcdistro; exit 1;;
107 # return arch from debian distro and personality
108 function canonical_arch () {
109 personality=$1; shift
111 case $(package_method $fcdistro) in
113 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
115 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
117 echo Unknown-arch-3 ;;
121 # the new test framework creates /timestamp in /vservers/<name> *before* populating it
122 function almost_empty () {
124 # non existing is fine
125 [ ! -d $dir ] && return 0;
126 # need to have at most one file
127 count=$(cd $dir; ls | wc -l); [ $count -le 1 ];
130 function setup_vserver () {
139 personality=$1; shift
141 # check that this is a new one - see above
142 almost_empty /vservers/$vserver || {
143 echo "$COMMAND : vserver $vserver seems to exist - bailing out"
147 pkg_method=$(package_method $fcdistro)
150 build_options="-m yum -- -d $fcdistro"
153 arch=$(canonical_arch $personality $fcdistro)
154 debmirror=$(debian_mirror $fcdistro)
155 build_options="-m debootstrap -- -d $fcdistro -m $debmirror -- --arch $arch"
158 build_options="undefined-package_method" ;;
162 # try to work around the vserver issue:
163 # vc_ctx_migrate: No such process
164 # rpm-fake.so: failed to initialize communication with resolver
165 for i in $(seq 20) ; do
166 $personality vserver $VERBOSE $vserver build $VSERVER_OPTIONS $build_options && break || true
167 echo "* ${i}-th attempt to 'vserver build' failed - waiting for 3 seconds"
170 # check success - not enough to check for the directory, let's assume /etc/ in image
171 [ -d /vservers/$vserver/etc ]
173 if [ ! -z "$personality" ] ; then
174 if [ -f "/etc/vservers/$vserver/personality" ] ; then
175 registered_personality=$(grep $personality /etc/vservers/$vserver/personality | wc -l)
177 registered_personality=0
179 if [ $registered_personality -eq 0 -a "$personality" != "linux64" ] ; then
180 echo $personality >> /etc/vservers/$vserver/personality
184 BCAPFILE=/etc/vservers/$vserver/bcapabilities
186 if [ -n "$VBUILD_MODE" ] ; then
187 ### capabilities required for a build vserver
188 # set up appropriate vserver capabilities to mount, mknod and IPC_LOCK
189 grep -q ^CAP_SYS_ADMIN $BCAPFILE || echo CAP_SYS_ADMIN >> $BCAPFILE
190 grep -q ^CAP_MKNOD $BCAPFILE || echo CAP_MKNOD >> $BCAPFILE
191 grep -q ^CAP_IPC_LOCK $BCAPFILE || echo CAP_IPC_LOCK >> $BCAPFILE
192 # useful for f16 guests that use set_cap_file
193 grep -q ^CAP_SETFCAP $BCAPFILE || echo CAP_SETFCAP >> $BCAPFILE
195 ### capabilities required for a myplc vserver
196 # for /etc/plc.d/gpg - need to init /dev/random
197 grep -q ^CAP_MKNOD $BCAPFILE || echo CAP_MKNOD >> $BCAPFILE
198 grep -q ^CAP_NET_BIND_SERVICE $BCAPFILE || echo CAP_NET_BIND_SERVICE >> $BCAPFILE
199 # useful for f16 guests that use set_cap_file
200 grep -q ^CAP_SETFCAP $BCAPFILE || echo CAP_SETFCAP >> $BCAPFILE
203 # Set persistent for the network context
204 # Thierry: Daniel's kernels come with single_ip turned off by default, let's make this explicit
205 echo "persistent,lback_allow,~single_ip" > /etc/vservers/$vserver/nflags
208 echo -e "persistent\n~info_init" > /etc/vservers/$vserver/cflags
211 mkdir /etc/vservers/$vserver/cgroup
213 # Set the init style of your vserver to plain for f16 and higher
214 # not working with f16 anyways, systemd requires 2.6.36 to work
216 f1[5-9]) echo plain > /etc/vservers/$vserver/apps/init/style ;;
219 if [ "$pkg_method" = "yum" ] ; then
220 $personality vyum $vserver -- -y install yum
222 for i in $(seq 20) ; do
223 $personality vserver $VERBOSE $vserver pkgmgmt internalize && break || true
224 echo "* ${i}-th attempt to 'vserver pkgmgmt internalize' failed - waiting for 3 seconds"
229 # turns out that with wheezy at least, at this point we're getting
230 # /vservers/<vs>/var/run -> /run
231 # /vservers/<vs>/var/lock -> /run/lock
232 # trying to fix this with relative links does not appear to work fine
233 # when trying to vserver start we're then getting
234 # + exec /usr/sbin/vspace --mount --fs --new -- /usr/sbin/vserver ----nonamespace debuild09 start
235 # fakerunlevel: open("/var/run/utmp"): No such file or directory
236 # so instead we bluntly create empty dirs and hope for the best
237 if [ "$pkg_method" = "debootstrap" ] ; then
238 [ -h /vservers/$vserver/var/run ] && [ ! -d /vservers/$vserver/var/run ] && \
239 # { rm -f /vservers/$vserver/var/run ; ln -s ../run /vservers/$vserver/var/run ; }
240 { rm -f /vservers/$vserver/var/run ; mkdir /vservers/$vserver/var/run ; }
241 [ -h /vservers/$vserver/var/lock ] && [ ! -d /vservers/$vserver/var/lock ] && \
242 # { rm -f /vservers/$vserver/var/lock ; ln -s ../run/lock /vservers/$vserver/var/lock ; }
243 { rm -f /vservers/$vserver/var/lock ; mkdir /vservers/$vserver/var/lock ; }
246 # start the vserver so we can do the following operations
247 # redirect out/err to protect against the vserver's init sequence getting stalled
248 # mostly used for f10 vservers created remotely through ssh
249 $personality vserver $VERBOSE $vserver start >& /dev/null
251 if [ "$pkg_method" == "yum" ] ; then
252 $personality vserver $VERBOSE $vserver exec sh -c "rm -f /var/lib/rpm/__db*"
254 # run the host rpmdb_dump and restore with the guest rpmdb_load
255 function translate_rpm_hashes () {
258 local personality="$1"; shift
259 local vserver="$1"; shift
260 # need to have utilities installed
264 guest_dir=/var/lib/rpm
265 host_dir=/vservers/$vserver/$guest_dir
266 files=$(cd $host_dir ; file * | grep Hash | cut -d: -f 1)
267 for file in $files; do
268 (cd $host_dir && mv $file ${file}-foreign)
269 /usr/lib/rpm/rpmdb_dump $host_dir/${file}-foreign | $personality vserver $VERBOSE $vserver exec /usr/lib/rpm/rpmdb_load $guest_dir/$file
271 $personality vserver $VERBOSE $vserver exec rpm --rebuilddb
275 # try the simple way, if that fails try to cross fix the rpm hashes
276 $personality vserver $VERBOSE $vserver exec rpm --rebuilddb || translate_rpm_hashes $personality $vserver
279 # check if the vserver kernel is using VSERVER_DEVICE (vdevmap) support
280 need_vdevmap=$(grep "CONFIG_VSERVER_DEVICE=y" /boot/config-$(uname -r) | wc -l)
282 if [ $need_vdevmap -eq 1 ] ; then
283 ctx=$(cat /etc/vservers/$vserver/context)
284 vdevmap --set --xid $ctx --open --create --target /dev/null
285 vdevmap --set --xid $ctx --open --create --target /dev/root
288 # minimal config in the vserver for yum to work
289 [ "$pkg_method" = "yum" ] && configure_yum_in_vserver $vserver $fcdistro $pldistro
292 cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
293 # and /etc/hosts for at least localhost
294 [ -f /vservers/$vserver/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > /vservers/$vserver/etc/hosts
298 function devel_or_vtest_tools () {
307 personality=$1; shift
309 pkg_method=$(package_method $fcdistro)
311 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $PREINSTALLED)
313 ### install individual packages, then groups
314 # get target arch - use uname -i here (we want either x86_64 or i386)
315 vserver_arch=$($personality vserver $vserver exec uname -i)
316 # on debian systems we get arch through the 'arch' command
317 [ "$vserver_arch" = "unknown" ] && vserver_arch=$($personality vserver $vserver exec arch)
319 packages=$(pl_getPackages -a $vserver_arch $fcdistro $pldistro $pkgsfile)
320 groups=$(pl_getGroups -a $vserver_arch $fcdistro $pldistro $pkgsfile)
322 case "$pkg_method" in
324 [ -n "$packages" ] && $personality vserver $vserver exec yum -y install $packages
325 for group_plus in $groups; do
326 group=$(echo $group_plus | sed -e "s,+++, ,g")
327 $personality vserver $vserver exec yum -y groupinstall "$group"
329 # store current rpm list in /init-vserver.rpms in case we need to check the contents
330 $personality vserver $vserver exec rpm -aq > /vservers/$vserver/init-vserver.rpms
334 if grep -iq ubuntu /vservers/$vserver/etc/lsb-release 2> /dev/null; then
335 # on ubuntu, at this point we end up with a single feed in /etc/apt/sources.list
336 # we need at least to add the 'universe' feed for python-rpm
337 ( cd /vservers/$vserver/etc/apt ; head -1 sources.list | sed -e s,main,universe, > sources.list.d/universe.list )
338 # also adding a link to updates sounds about right
339 ( cd /vservers/$vserver/etc/apt ; head -1 sources.list | sed -e 's, main,-updates main,' > sources.list.d/updates.list )
341 $personality vserver $vserver exec apt-get update
342 $personality vserver $vserver exec apt-get -y upgrade
343 # handle this one firt off to be sure; mostly cosmetic but avoid a huge amount of warnings
344 $personality vserver $vserver exec apt-get install -y locales
345 # install required packages
346 # all in a single batch
347 [ -n "$packages" ] && $personality vserver $vserver exec apt-get install -y --ignore-missing $packages || :
348 # of course, on ubuntu apt-get --ignore-missing .. does not ignore missing packages !
350 for package in $packages ; do
351 if $personality vserver $vserver exec dpkg -l $package >& /dev/null ; then
352 echo "==========(debian) package $package OK (1)"
354 # try to install it individually - so this is for ubuntu
355 $personality vserver $vserver exec apt-get install -y $package || :
357 if $personality vserver $vserver exec dpkg -l $package >& /dev/null ; then
358 echo "==========(debian) package $package OK (2)"
360 echo "==========(debian) package $package MISSING - ignored"
364 ### xxx todo install groups with apt..
367 echo "unknown pkg_method $pkg_method"
374 function post_install () {
375 if [ -n "$VBUILD_MODE" ] ; then
376 post_install_vbuild "$@"
378 post_install_myplc "$@"
380 # setup localtime from the host
382 cp /etc/localtime /vservers/$vserver/etc/localtime
385 function post_install_vbuild () {
392 personality=$1; shift
394 ### From myplc-devel-native.spec
395 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
396 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
397 # set up /dev/loop* in vserver
398 for i in \$(seq 0 255) ; do
399 mknod -m 640 /dev/loop\$i b 7 \$i
402 # create symlink for /dev/fd
403 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
405 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
406 sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
407 if [ -h "/sbin/new-kernel-pkg" ] ; then
408 filename=\$(readlink -f /sbin/new-kernel-pkg)
409 if [ "\$filename" == "/sbin/true" ] ; then
410 echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
411 echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
412 echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
417 # customize root's prompt
418 cat << PROFILE > /root/.profile
419 export PS1="[$vserver] \\w # "
425 # add a "build" user to the system
426 builduser=\$(grep "^build:" /etc/passwd | wc -l)
427 if [ \$builduser -eq 0 ] ; then
428 groupadd -o -g \$gid build;
429 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
432 # Allow build user to build certain RPMs as root
433 if [ -f /etc/sudoers ] ; then
434 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
435 if [ \$buildsudo -eq 0 ] ; then
436 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
438 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
445 function post_install_myplc () {
451 personality=$1; shift
453 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
454 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
456 # create /etc/sysconfig/network if missing
457 [ -f /etc/sysconfig/network ] || echo NETWORKING=yes > /etc/sysconfig/network
459 # create symlink for /dev/fd
460 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
462 # turn off regular crond, as plc invokes plc_crond
465 # take care of loginuid in /etc/pam.d
466 sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
468 # customize root's prompt
469 cat << PROFILE > /root/.profile
470 export PS1="[$vserver] \\w # "
476 # parses ifconfig's output to find out ip address and mask
477 # will then be passed to vserver as e.g. --interface 138.96.250.126/255.255.0.0
478 # default is to use lo, that's enough for local mirrors
479 # use -i eth0 in case your fedora mirror is on a separate box on the network
480 function vserverIfconfig () {
483 line=$(ifconfig $ifname 2> /dev/null | grep 'inet addr')
484 if [ -n "$line" ] ; then
486 for word in "$@" ; do
487 addr=$(echo $word | sed -e s,[aA][dD][dD][rR]:,,)
488 mask=$(echo $word | sed -e s,[mM][aA][sS][kK]:,,)
489 if [ "$word" != "$addr" ] ; then
491 elif [ "$word" != "$mask" ] ; then
492 result="${result}/${mask}"
496 if [ -z "$result" ] ; then
497 echo "vserverIfconfig failed to locate $ifname"
506 echo "Usage: $COMMAND_VBUILD [options] vserver-name [ -- vserver-options ]"
507 echo "Usage: $COMMAND_MYPLC [options] vserver-name repo-url [ -- vserver-options ]"
508 echo "Requirements: you need to have a vserver-compliant kernel,"
509 echo " as well as the util-vserver RPM installed"
511 echo " This command creates a fresh vserver instance, for building, or running, myplc"
512 echo "Supported options"
513 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
514 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
515 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
516 echo " -i ifname: determines ip and netmask attached to ifname, and passes it to the vserver"
517 echo " -r : set apps/init/mark to default so the vserver restart upon reboot"
518 echo " -v : verbose - passes -v to calls to vserver"
519 echo "vserver-options"
520 echo " all args after the optional -- are passed to vserver <name> build <options>"
521 echo " typical usage is e.g. --interface eth0:200.150.100.10/24"
522 echo "With $COMMAND_MYPLC you can give 'none' as the URL, in which case"
523 echo " myplc.repo does not get created"
547 # the set of preinstalled packages - depends on vbuild or vtest
548 if [ -n "$VBUILD_MODE" ] ; then
549 PREINSTALLED=devel.pkgs
551 PREINSTALLED=vtest.pkgs
553 while getopts "f:d:p:P:i:rv" opt ; do
555 f) fcdistro=$OPTARG;;
556 d) pldistro=$OPTARG;;
557 p) personality=$OPTARG;;
558 P) PREINSTALLED=$OPTARG;;
560 r) RESISTANT="true";;
566 shift $(($OPTIND - 1))
568 # parse fixed arguments
569 [[ -z "$@" ]] && usage
571 if [ -n "$MYPLC_MODE" ] ; then
572 [[ -z "$@" ]] && usage
576 # parse vserver options
577 if [[ -n "$@" ]] ; then
578 if [ "$1" == "--" ] ; then
586 # with new util-vserver, it is mandatory to provide an IP even for building
587 if [ -n "$VBUILD_MODE" ] ; then
588 [ -z "$IFNAME" ] && IFNAME=$DEFAULT_IFNAME
590 if [ -n "$IFNAME" ] ; then
591 localip=$(vserverIfconfig $IFNAME)
592 VSERVER_OPTIONS="$VSERVER_OPTIONS --interface $localip"
595 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
596 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
597 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
599 setup_vserver $vserver $fcdistro $pldistro $personality
600 devel_or_vtest_tools $vserver $fcdistro $pldistro $personality
601 post_install $vserver $personality
603 # Start Vserver automatically on boot
604 [ -n "$RESISTANt" ] && echo "default" > /etc/vservers/$vserver/apps/init/mark