7 # pkgs parsing utilities
8 PATH=$(dirname $0):$PATH . build.common
11 DEFAULT_PLDISTRO=planetlab
12 DEFAULT_PERSONALITY=linux32
15 COMMAND_VBUILD="vbuild-init-vserver.sh"
16 COMMAND_MYPLC="vtest-init-vserver.sh"
19 echo "$COMMAND : Bailing out"
23 # overwrite vserver's internal yum config from what is in
24 # .distributions/<distrib>/yum/yum.conf and /yum.repos.d
26 function configure_yum_in_vserver () {
34 pushd /etc/vservers/.distributions/${fcdistro}
35 if [ -f yum/yum.conf ] ; then
36 echo "Initializing yum.conf in $vserver from $(pwd)/yum"
37 sed -e "s!@YUMETCDIR@!/etc!g;
38 s!@YUMCACHEDIR@!/var/cache/yum!g;
39 s!@YUMLOGDIR@!/var/log!g;
40 s!@YUMLOCKDIR@!/var/lock!g;
41 " yum/yum.conf > /vservers/$vserver/etc/yum.conf
43 # post process the various @...@ variables from this yum.conf file.
45 echo "Using $fcdistro default for yum.conf"
48 if [ -d yum.repos.d ] ; then
49 echo "Initializing yum.repos.d in $vserver from $(pwd)/yum.repos.d"
50 rm -rf /vservers/$vserver/etc/yum.repos.d
51 tar cf - yum.repos.d | tar -C /vservers/$vserver/etc -xvf -
53 echo "Cannot initialize yum.repos.d in $vserver"
56 if [ -n "$MYPLC_MODE" ] ; then
57 if [ ! -d /vservers/$vserver/etc/yum.repos.d ] ; then
58 echo "WARNING : cannot create myplc repo"
60 # exclude kernel from fedora repos
61 for i in /vservers/$vserver/etc/yum.repos.d/* ; do
62 [ -f $i ] && echo "exclude=kernel* ulogd iptables" >> $i
64 # the build repo is not signed at this stage
65 cat > /vservers/$vserver/etc/yum.repos.d/myplc.repo <<EOF
77 function setup_vserver () {
87 if [ -d /vservers/$vserver ] ; then
88 echo "$COMMAND : vserver $vserver seems to exist - bailing out"
93 # try to work around the vserver issue:
94 # vc_ctx_migrate: No such process
95 # rpm-fake.so: failed to initialize communication with resolver
96 for i in $(seq 20) ; do
97 $personality vserver $VERBOSE $vserver build $VSERVER_OPTIONS -m yum -- -d $fcdistro && break || true
98 echo "* ${i}-th attempt to 'vserver build' failed - waiting for 3 seconds"
102 [ -d /vservers/$vserver ]
104 if [ ! -z "$personality" ] ; then
105 if [ -f "/etc/vservers/$vserver/personality" ] ; then
106 registered_personality=$(grep $personality /etc/vservers/$vserver/personality | wc -l)
108 registered_personality=0
110 if [ $registered_personality -eq 0 -a "$personality" != "linux64" ] ; then
111 echo $personality >> /etc/vservers/$vserver/personality
115 if [ -n "$VBUILD_MODE" ] ; then
116 ### capabilities required for a build vserver
117 # set up appropriate vserver capabilities to mount, mknod and IPC_LOCK
118 BCAPFILE=/etc/vservers/$vserver/bcapabilities
120 cap=$(grep ^CAP_SYS_ADMIN /etc/vservers/$vserver/bcapabilities | wc -l)
121 [ $cap -eq 0 ] && echo 'CAP_SYS_ADMIN' >> /etc/vservers/$vserver/bcapabilities
122 cap=$(grep ^CAP_MKNOD /etc/vservers/$vserver/bcapabilities | wc -l)
123 [ $cap -eq 0 ] && echo 'CAP_MKNOD' >> /etc/vservers/$vserver/bcapabilities
124 cap=$(grep ^CAP_IPC_LOCK /etc/vservers/$vserver/bcapabilities | wc -l)
125 [ $cap -eq 0 ] && echo 'CAP_IPC_LOCK' >> /etc/vservers/$vserver/bcapabilities
127 ### capabilities required for a myplc vserver
128 # for /etc/plc.d/gpg - need to init /dev/random
129 cap=$(grep ^CAP_MKNOD /etc/vservers/$vserver/bcapabilities | wc -l)
130 [ $cap -eq 0 ] && echo 'CAP_MKNOD' >> /etc/vservers/$vserver/bcapabilities
131 cap=$(grep ^CAP_NET_BIND_SERVICE /etc/vservers/$vserver/bcapabilities | wc -l)
132 [ $cap -eq 0 ] && echo 'CAP_NET_BIND_SERVICE' >> /etc/vservers/$vserver/bcapabilities
135 $personality vyum $vserver -- -y install yum
137 for i in $(seq 20) ; do
138 $personality vserver $VERBOSE $vserver pkgmgmt internalize && break || true
139 echo "* ${i}-th attempt to 'vserver pkgmgmt internalize' failed - waiting for 3 seconds"
143 # start the vserver so we can do the following operations
144 $personality vserver $VERBOSE $vserver start
145 $personality vserver $VERBOSE $vserver exec sh -c "rm -f /var/lib/rpm/__db*"
146 $personality vserver $VERBOSE $vserver exec rpm --rebuilddb
148 # with vserver 2.3, granting the vserver CAP_MKNOD is not enough
149 # check whether we run vs2.3 or above
150 vs_version=$(uname -a | sed -e 's,.*[\.\-]vs\([0-9]\)\.\([0-9]\)\..*,\1\2,')
151 # at this stage we have here 22 or 23
152 need_vdevmap=$(( $vs_version >= 23 ))
154 if [ "$need_vdevmap" == 1 ] ; then
156 vdevmap --help | grep -- --set &> /dev/null && util_vserver_215=1
158 if [ "$util_vserver_215" == 1 ] ; then
159 ctx=$(cat /etc/vservers/$vserver/context)
160 vdevmap --set --xid $ctx --open --create --target /dev/null
161 vdevmap --set --xid $ctx --open --create --target /dev/root
163 echo "You seem to be running vs2.3 with util-vserver < 0.30.215"
164 echo "This combination is not supported by $COMMAND"
165 echo "Please upgrade your environment"
167 # this supposedly is an equivalent to using vdevmap as invoked above
168 # but it's not going to work in this case
169 # mkdir -p /etc/vservers/$vserver/apps/vdevmap/default-{block,char}
170 # touch /etc/vservers/$vserver/apps/vdevmap/default-{block,char}/{open,create}
171 # echo /dev/root > /etc/vservers/$vserver/apps/vdevmap/default-block/target
172 # echo /dev/null > /etc/vservers/$vserver/apps/vdevmap/default-char/target
176 # minimal config in the vserver for yum to work
177 configure_yum_in_vserver $vserver $fcdistro
180 cp /etc/resolv.conf /vservers/$vserver/etc/resolv.conf
181 # and /etc/hosts for at least localhost
182 [ -f /vservers/$vserver/etc/hosts ] || echo "127.0.0.1 localhost localhost.localdomain" > /vservers/$vserver/etc/hosts
185 function devel_or_vtest_tools () {
194 personality=$1; shift
196 # check for .pkgs file based on pldistro
197 if [ -n "$VBUILD_MODE" ] ; then
202 pkgsfile=$(pl_locateDistroFile $DIRNAME $pldistro $pkgsname)
204 # install individual packages, then groups
205 packages=$(pl_getPackages $fcdistro $pldistro $pkgsfile)
206 groups=$(pl_getGroups $fcdistro $pldistro $pkgsfile)
208 [ -n "$packages" ] && $personality vserver $vserver exec yum -y install $packages
209 [ -n "$groups" ] && $personality vserver $vserver exec yum -y groupinstall $groups
213 function post_install () {
214 if [ -n "$VBUILD_MODE" ] ; then
215 post_install_vbuild "$@"
217 post_install_myplc "$@"
219 # setup localtime from the host
221 cp /etc/localtime /vservers/$vserver/etc/localtime
224 function post_install_vbuild () {
231 personality=$1; shift
233 ### From myplc-devel-native.spec
234 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
235 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
236 # set up /dev/loop* in vserver
237 for i in \$(seq 0 255) ; do
238 mknod -m 640 /dev/loop\$i b 7 \$i
241 # create symlink for /dev/fd
242 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
244 # modify /etc/rpm/macros to not use /sbin/new-kernel-pkg
245 sed -i 's,/sbin/new-kernel-pkg:,,' /etc/rpm/macros
246 if [ -h "/sbin/new-kernel-pkg" ] ; then
247 filename=\$(readlink -f /sbin/new-kernel-pkg)
248 if [ "\$filename" == "/sbin/true" ] ; then
249 echo "WARNING: /sbin/new-kernel-pkg symlinked to /sbin/true"
250 echo "\tmost likely /etc/rpm/macros has /sbin/new-kernel-pkg declared in _netsharedpath."
251 echo "\tPlease remove /sbin/new-kernel-pkg from _netsharedpath and reintall mkinitrd."
256 # customize root's prompt
257 cat << PROFILE > /root/.profile
258 export PS1="[$vserver] \\w # "
264 # add a "build" user to the system
265 builduser=\$(grep "^build:" /etc/passwd | wc -l)
266 if [ \$builduser -eq 0 ] ; then
267 groupadd -o -g \$gid build;
268 useradd -o -c 'Automated Build' -u \$uid -g \$gid -n -M -s /bin/bash build;
271 # Allow build user to build certain RPMs as root
272 if [ -f /etc/sudoers ] ; then
273 buildsudo=\$(grep "^build.*ALL=(ALL).*NOPASSWD:.*ALL" /etc/sudoers | wc -l)
274 if [ \$buildsudo -eq 0 ] ; then
275 echo "build ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
277 sed -i 's,^Defaults.*requiretty,#Defaults requiretty,' /etc/sudoers
284 function post_install_myplc () {
290 personality=$1; shift
292 # be careful to backslash $ in this, otherwise it's the root context that's going to do the evaluation
293 cat << EOF | $personality vserver $VERBOSE $vserver exec bash -x
295 # create symlink for /dev/fd
296 [ ! -e "/dev/fd" ] && ln -s /proc/self/fd /dev/fd
298 # customize root's prompt
299 cat << PROFILE > /root/.profile
300 export PS1="[$vserver] \\w # "
306 # parses ifconfig's output to find out ip address and mask
307 # will then be passed to vserver as e.g. --interface 138.96.250.126/255.255.0.0
308 # default is to use lo, that's enough for local mirrors
309 # use -i eth0 in case your fedora mirror is on a separate box on the network
310 function vserverIfconfig () {
313 line=$(ifconfig $ifname 2> /dev/null | grep 'inet addr')
314 if [ -n "$line" ] ; then
316 for word in "$@" ; do
317 addr=$(echo $word | sed -e s,[aA][dD][dD][rR]:,,)
318 mask=$(echo $word | sed -e s,[mM][aA][sS][kK]:,,)
319 if [ "$word" != "$addr" ] ; then
321 elif [ "$word" != "$mask" ] ; then
322 result="${result}/${mask}"
326 if [ -z "$result" ] ; then
327 echo "vserverIfconfig failed to locate $ifname"
336 echo "Usage: $COMMAND_VBUILD [options] vserver-name [ -- vserver-options ]"
337 echo "Usage: $COMMAND_MYPLC [options] vserver-name repo-url [ -- vserver-options ]"
338 echo "Requirements: you need to have a vserver-compliant kernel,"
339 echo " as well as the util-vserver RPM installed"
341 echo " This command creates a fresh vserver instance, for building, or running, myplc"
342 echo "Supported options"
343 echo " -f fcdistro - for creating the root filesystem - defaults to $DEFAULT_FCDISTRO"
344 echo " -d pldistro - defaults to $DEFAULT_PLDISTRO"
345 echo " -p personality - defaults to $DEFAULT_PERSONALITY"
346 echo " -i ifname: determines ip and netmask attached to ifname, and passes it to the vserver"
347 echo " -v : verbose - passes -v to calls to vserver"
348 echo "vserver-options"
349 echo " all args after the optional -- are passed to vserver <name> build <options>"
350 echo " typical usage is e.g. --interface eth0:200.150.100.10/24"
372 while getopts "f:d:p:i:v" opt ; do
374 f) fcdistro=$OPTARG;;
375 d) pldistro=$OPTARG;;
376 p) personality=$OPTARG;;
383 shift $(($OPTIND - 1))
385 # parse fixed arguments
386 [[ -z "$@" ]] && usage
388 if [ -n "$MYPLC_MODE" ] ; then
389 [[ -z "$@" ]] && usage
393 # parse vserver options
394 if [[ -n "$@" ]] ; then
395 if [ "$1" == "--" ] ; then
403 # with new util-vserver, it is mandatory to provide an IP even for building
404 if [ -n "$VBUILD_MODE" ] ; then
405 [ -z "$IFNAME" ] && IFNAME=$DEFAULT_IFNAME
407 if [ -n "$IFNAME" ] ; then
408 localip=$(vserverIfconfig $IFNAME)
409 VSERVER_OPTIONS="$VSERVER_OPTIONS --interface $localip"
412 [ -z "$fcdistro" ] && fcdistro=$DEFAULT_FCDISTRO
413 [ -z "$pldistro" ] && pldistro=$DEFAULT_PLDISTRO
414 [ -z "$personality" ] && personality=$DEFAULT_PERSONALITY
416 setup_vserver $vserver $fcdistro $personality
417 devel_or_vtest_tools $vserver $fcdistro $pldistro $personality
418 post_install $vserver $personality