10 # pkgs parsing utilities
11 PATH=$(dirname $0):$PATH export PATH
15 DEFAULT_PLDISTRO=planetlab
16 DEFAULT_PERSONALITY=linux32
19 COMMAND_VBUILD="vbuild-init-vserver.sh"
20 COMMAND_MYPLC="vtest-init-vserver.sh"
23 echo "$COMMAND : Bailing out"
27 # overwrite vserver's internal yum config from what is in
28 # .distributions/<distrib>/yum/yum.conf and /yum.repos.d
30 function configure_yum_in_vserver () {
38 templates=/etc/vservers/.distributions/${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 for repo in /vservers/$vserver/etc/yum.repos.d/* ; do
68 [ -f $repo ] && yumconf_exclude $repo "exclude=$pl_KEXCLUDES"
70 # the build repo is not signed at this stage
71 cat > /vservers/$vserver/etc/yum.repos.d/myplc.repo <<EOF
82 # return yum or debootstrap
83 function package_method () {
86 f[0-9]*|centos[0-9]*) echo yum ;;
87 lenny|etch) echo debootstrap ;;
88 *) echo Unknown distro $fcdistro ;;
92 # return arch from debian distro and personality
93 function canonical_arch () {
96 case $(package_method $fcdistro) in
98 case $personality in *32) echo i386 ;; *64) echo x86_64 ;; *) echo Unknown-arch-1 ;; esac ;;
100 case $personality in *32) echo i386 ;; *64) echo amd64 ;; *) echo Unknown-arch-2 ;; esac ;;
102 echo Unknown-arch-3 ;;
106 function setup_vserver () {
114 personality=$1; shift
116 if [ -d /vservers/$vserver ] ; then
117 echo "$COMMAND : vserver $vserver seems to exist - bailing out"
121 pkg_method=$(package_method $fcdistro)
124 build_options="-m yum -- -d $fcdistro"
127 arch=$(canonical_arch $personality $fcdistro)
128 build_options="-m debootstrap -- -d $fcdistro -- --arch $arch"
131 build_options="something wrong" ;;
135 # try to work around the vserver issue:
136 # vc_ctx_migrate: No such process
137 # rpm-fake.so: failed to initialize communication with resolver
138 for i in $(seq 20) ; do
139 $personality vserver $VERBOSE $vserver build $VSERVER_OPTIONS $build_options && break || true
140 echo "* ${i}-th attempt to 'vserver build' failed - waiting for 3 seconds"
144 [ -d /vservers/$vserver ]
146 if [ ! -z "$personality" ] ; then
147 if [ -f "/etc/vservers/$vserver/personality" ] ; then
148 registered_personality=$(grep $personality /etc/vservers/$vserver/personality | wc -l)
150 registered_personality=0
152 if [ $registered_personality -eq 0 -a "$personality" != "linux64" ] ; then
153 echo $personality >> /etc/vservers/$vserver/personality
157 if [ -n "$VBUILD_MODE" ] ; then
158 ### capabilities required for a build vserver
159 # set up appropriate vserver capabilities to mount, mknod and IPC_LOCK
160 BCAPFILE=/etc/vservers/$vserver/bcapabilities
162 cap=$(grep ^CAP_SYS_ADMIN /etc/vservers/$vserver/bcapabilities | wc -l)
163 [ $cap -eq 0 ] && echo 'CAP_SYS_ADMIN' >> /etc/vservers/$vserver/bcapabilities
164 cap=$(grep ^CAP_MKNOD /etc/vservers/$vserver/bcapabilities | wc -l)
165 [ $cap -eq 0 ] && echo 'CAP_MKNOD' >> /etc/vservers/$vserver/bcapabilities
166 cap=$(grep ^CAP_IPC_LOCK /etc/vservers/$vserver/bcapabilities | wc -l)
167 [ $cap -eq 0 ] && echo 'CAP_IPC_LOCK' >> /etc/vservers/$vserver/bcapabilities
169 ### capabilities required for a myplc vserver
170 # for /etc/plc.d/gpg - need to init /dev/random
171 cap=$(grep ^CAP_MKNOD /etc/vservers/$vserver/bcapabilities | wc -l)
172 [ $cap -eq 0 ] && echo 'CAP_MKNOD' >> /etc/vservers/$vserver/bcapabilities
173 cap=$(grep ^CAP_NET_BIND_SERVICE /etc/vservers/$vserver/bcapabilities | wc -l)
174 [ $cap -eq 0 ] && echo 'CAP_NET_BIND_SERVICE' >> /etc/vservers/$vserver/bcapabilities
177 # Set persistent for the network context
178 echo persistent,lback_allow > /etc/vservers/$vserver/nflags
180 if [ "$pkg_method" = "yum" ] ; then
181 $personality vyum $vserver -- -y install yum
183 for i in $(seq 20) ; do
184 $personality vserver $VERBOSE $vserver pkgmgmt internalize && break || true
185 echo "* ${i}-th attempt to 'vserver pkgmgmt internalize' failed - waiting for 3 seconds"
190 # start the vserver so we can do the following operations
191 # redirect out/err to protect against the vserver's init sequence getting stalled
192 # mostly used for f10 vservers created remotely through ssh
193 $personality vserver $VERBOSE $vserver start >& /dev/null
195 if [ "$pkg_method" == "yum" ] ; then
196 $personality vserver $VERBOSE $vserver exec sh -c "rm -f /var/lib/rpm/__db*"
198 # run the host rpmdb_dump and restore with the guest rpmdb_load
199 function translate_rpm_hashes () {
202 local personality="$1"; shift
203 local vserver="$1"; shift
204 # need to have utilities installed
208 guest_dir=/var/lib/rpm
209 host_dir=/vservers/$vserver/$guest_dir
210 files=$(cd $host_dir ; file * | grep Hash | cut -d: -f 1)
211 for file in $files; do
212 (cd $host_dir && mv $file ${file}-foreign)
213 /usr/lib/rpm/rpmdb_dump $host_dir/${file}-foreign | $personality vserver $VERBOSE $vserver exec /usr/lib/rpm/rpmdb_load $guest_dir/$file
215 $personality vserver $VERBOSE $vserver exec rpm --rebuilddb
219 # try the simple way, if that fails try to cross fix the rpm hashes
220 $personality vserver $VERBOSE $vserver exec rpm --rebuilddb || translate_rpm_hashes $personality $vserver
223 # check if the vserver kernel is using VSERVER_DEVICE (vdevmap) support
224 need_vdevmap=$(grep "CONFIG_VSERVER_DEVICE=y" /boot/config-$(uname -r) | wc -l)
226 if [ $need_vdevmap -eq 1 ] ; then
227 ctx=$(cat /etc/vservers/$vserver/context)
228 vdevmap --set --xid $ctx --open --create --target /dev/null
229 vdevmap --set --xid $ctx --open --create --target /dev/root
232 # minimal config in the vserver for yum to work
233 [ "$pkg_method" = "yum" ] && configure_yum_in_vserver $vserver $fcdistro
236 cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
237 # and /etc/hosts for at least localhost
238 [ -f /vservers/$vserver/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > /vservers/$vserver/etc/hosts
242 function devel_or_vtest_tools () {
251 personality=$1; shift
253 pkg_method=$(package_method $fcdistro)
255 # check for .pkgs file based on pldistro
256 if [ -n "$VBUILD_MODE" ] ; then
261 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $pkgsname)
263 ### install individual packages, then groups
264 # get target arch - use uname -i here (we want either x86_64 or i386)
265 vserver_arch=$($personality vserver $vserver exec uname -i)
266 # on debian systems we get arch through the 'arch' command
267 [ "$vserver_arch" = "unknown" ] && vserver_arch=$($personality vserver $vserver exec arch)
269 packages=$(pl_getPackages -a $vserver_arch $fcdistro $pldistro $pkgsfile)
270 groups=$(pl_getGroups -a $vserver_arch $fcdistro $pldistro $pkgsfile)
272 [ "$pkg_method" = yum ] && [ -n "$packages" ] && $personality vserver $vserver exec yum -y install $packages
273 [ "$pkg_method" = yum ] && for group_plus in $groups; do
274 group=$(echo $group_plus | sed -e "s,+++, ,g")
275 $personality vserver $vserver exec yum -y groupinstall "$group"
278 [ "$pkg_method" = debootstrap ] && $personality vserver $vserver exec apt-get update
279 [ "$pkg_method" = debootstrap ] && for package in $packages ; do
280 $personality vserver $vserver exec apt-get install -y $package
286 function post_install () {
287 if [ -n "$VBUILD_MODE" ] ; then
288 post_install_vbuild "$@"
290 post_install_myplc "$@"
292 # setup localtime from the host
294 cp /etc/localtime /vservers/$vserver/etc/localtime
297 function post_install_vbuild () {
304 personality=$1; shift
306 ### From myplc-devel-native.spec
307 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
308 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
309 # set up /dev/loop* in vserver
310 for i in \$(seq 0 255) ; do
311 mknod -m 640 /dev/loop\$i b 7 \$i
314 # create symlink for /dev/fd
315 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
317 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
318 sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
319 if [ -h "/sbin/new-kernel-pkg" ] ; then
320 filename=\$(readlink -f /sbin/new-kernel-pkg)
321 if [ "\$filename" == "/sbin/true" ] ; then
322 echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
323 echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
324 echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
329 # customize root's prompt
330 cat << PROFILE > /root/.profile
331 export PS1="[$vserver] \\w # "
337 # add a "build" user to the system
338 builduser=\$(grep "^build:" /etc/passwd | wc -l)
339 if [ \$builduser -eq 0 ] ; then
340 groupadd -o -g \$gid build;
341 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
344 # Allow build user to build certain RPMs as root
345 if [ -f /etc/sudoers ] ; then
346 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
347 if [ \$buildsudo -eq 0 ] ; then
348 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
350 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
357 function post_install_myplc () {
363 personality=$1; shift
365 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
366 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
368 # create /etc/sysconfig/network if missing
369 [ -f /etc/sysconfig/network ] || echo NETWORKING=yes > /etc/sysconfig/network
371 # create symlink for /dev/fd
372 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
374 # turn off regular crond, as plc invokes plc_crond
377 # take care of loginuid in /etc/pam.d
378 sed -i "s,#*\(.*loginuid.*\),#\1," /etc/pam.d/*
380 # customize root's prompt
381 cat << PROFILE > /root/.profile
382 export PS1="[$vserver] \\w # "
388 # parses ifconfig's output to find out ip address and mask
389 # will then be passed to vserver as e.g. --interface 138.96.250.126/255.255.0.0
390 # default is to use lo, that's enough for local mirrors
391 # use -i eth0 in case your fedora mirror is on a separate box on the network
392 function vserverIfconfig () {
395 line=$(ifconfig $ifname 2> /dev/null | grep 'inet addr')
396 if [ -n "$line" ] ; then
398 for word in "$@" ; do
399 addr=$(echo $word | sed -e s,[aA][dD][dD][rR]:,,)
400 mask=$(echo $word | sed -e s,[mM][aA][sS][kK]:,,)
401 if [ "$word" != "$addr" ] ; then
403 elif [ "$word" != "$mask" ] ; then
404 result="${result}/${mask}"
408 if [ -z "$result" ] ; then
409 echo "vserverIfconfig failed to locate $ifname"
418 echo "Usage: $COMMAND_VBUILD [options] vserver-name [ -- vserver-options ]"
419 echo "Usage: $COMMAND_MYPLC [options] vserver-name repo-url [ -- vserver-options ]"
420 echo "Requirements: you need to have a vserver-compliant kernel,"
421 echo " as well as the util-vserver RPM installed"
423 echo " This command creates a fresh vserver instance, for building, or running, myplc"
424 echo "Supported options"
425 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
426 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
427 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
428 echo " -i ifname: determines ip and netmask attached to ifname, and passes it to the vserver"
429 echo " -v : verbose - passes -v to calls to vserver"
430 echo "vserver-options"
431 echo " all args after the optional -- are passed to vserver <name> build <options>"
432 echo " typical usage is e.g. --interface eth0:200.150.100.10/24"
433 echo "With $COMMAND_MYPLC you can give 'none' as the URL, in which case"
434 echo " myplc.repo does not get created"
456 while getopts "f:d:p:i:v" opt ; do
458 f) fcdistro=$OPTARG;;
459 d) pldistro=$OPTARG;;
460 p) personality=$OPTARG;;
467 shift $(($OPTIND - 1))
469 # parse fixed arguments
470 [[ -z "$@" ]] && usage
472 if [ -n "$MYPLC_MODE" ] ; then
473 [[ -z "$@" ]] && usage
477 # parse vserver options
478 if [[ -n "$@" ]] ; then
479 if [ "$1" == "--" ] ; then
487 # with new util-vserver, it is mandatory to provide an IP even for building
488 if [ -n "$VBUILD_MODE" ] ; then
489 [ -z "$IFNAME" ] && IFNAME=$DEFAULT_IFNAME
491 if [ -n "$IFNAME" ] ; then
492 localip=$(vserverIfconfig $IFNAME)
493 VSERVER_OPTIONS="$VSERVER_OPTIONS --interface $localip"
496 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
497 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
498 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
500 setup_vserver $vserver $fcdistro $personality
501 devel_or_vtest_tools $vserver $fcdistro $pldistro $personality
502 post_install $vserver $personality