3 # Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
5 # This program is free software; you can redistribute it and/or modify
6 # it under the terms of the GNU General Public License as published by
7 # the Free Software Foundation; version 2 of the License.
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
14 # You should have received a copy of the GNU General Public License
15 # along with this program; if not, write to the Free Software
16 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
19 # $VSERVER_DIR ... path to vserver-cfg dir
20 # $VSERVER_NAME ... name of vserver
22 declare -a NICE_CMD=()
23 declare -a CHBIND_OPTS=()
24 declare -a CAP_OPTS=()
25 declare -a CHCONTEXT_INIT_OPTS=()
26 declare -a CHCONTEXT_FLAG_OPTS=()
27 declare -a CHCONTEXT_OPTS=()
28 declare -a CAPCHROOT_OPTS=()
29 declare -a INTERFACES=()
31 declare -a INITCMD_START=()
32 declare -a INITCMD_START_SYNC=()
33 declare -a INITCMD_STOP=()
34 declare -a INITCMD_STOP_SYNC=()
35 declare -a INITCMD_PREPARE=()
36 declare -a INITKILL_SEQ=()
37 declare -a ENTER_SHELL=()
39 declare -a OPTS_VCONTEXT_CREATE=()
40 declare -a OPTS_VCONTEXT_MIGRATE=()
41 declare -a OPTS_VATTRIBUTE=()
45 _HAVE_INTERFACE_OPTIONS=
54 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
56 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
62 function _generateChbindOptions
68 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
70 local f=$vdir/interfaces/bcast
71 getFileValue bcast "$f"
73 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
75 for i in "${INTERFACES[@]}"; do
76 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
79 _HAVE_CHBIND_OPTIONS=1
82 function _generateNiceCommand
87 test -r "$vdir/nice" || return 0;
88 read nice <"$vdir"/nice
90 NICE_CMD=( $_NICE -$nice )
93 function _generateCCapabilityOptions
97 local f="$vdir"/ccapabilities
99 test -e "$f" || return 0
103 *) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );;
108 function _generateBCapabilityOptions
112 local f="$vdir"/bcapabilities
114 test -e "$f" || return 0
118 *) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );;
123 function _generateCapabilityOptions
128 test -e "$vdir"/capabilities || return 0
137 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]" --cap "$cap" )
138 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
139 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
142 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]" --cap "$cap" )
143 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );;
145 done <"$vdir"/capabilities
148 function getEnterShell
154 getFileValue ENTER_SHELL "$vdir"/shell
156 test "$ENTER_SHELL" || {
158 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
160 test -x "$vdir/vdir/$1" || continue
167 ## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
168 function sendKillSequence
174 while isCtxRunning "$ctx"; do
175 test -z "$wait" || sleep "$wait"
177 $_VKILL -c "$ctx" ${1:+-s "$1"}
184 function _generateInitOptions
187 local cfgdir=$vdir/apps/init
194 INITCMD_START_SYNC=()
198 INITKILL_SEQ=( 15 5 9 )
199 CHCONTEXT_INIT_OPTS=()
202 getFileValue INITSTYLE "$cfgdir"/style
203 getFileValue runlevel_start "$cfgdir"/runlevel
204 getFileValue runlevel_start "$cfgdir"/runlevel.start
205 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
206 getFileArray INITKILL_SEQ "$cfgdir"/killseq
208 case x"$INITSTYLE" in
210 test "$runlevel_start" || runlevel_start=3
211 test "$runlevel_stop" || runlevel_stop=6
213 for i in /etc/init.d/rc /etc/rc.d/rc; do
214 test -x "$vdir/vdir/$i" || continue
215 INITCMD_START=( "$i" "$runlevel_start" )
216 INITCMD_STOP=( "$i" "$runlevel_stop" )
218 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
222 INITCMD_START=( /sbin/init )
223 INITCMD_STOP=( /sbin/init )
224 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
225 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
226 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
227 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
231 INITCMD_START=( /sbin/minit-start )
232 INITCMD_STOP=( /sbin/minit-stop )
233 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
234 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
235 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
236 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
237 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
238 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
242 *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
246 getFileArray INITCMD_START "$cfgdir"/cmd.start
247 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
248 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
249 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
250 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
253 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
254 INITCMD_START_SYNC=()
259 function _generateFlagOptions
263 CHCONTEXT_FLAG_OPTS=()
265 test -e "$vdir"/flags || return 0
272 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
273 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
276 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
277 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
283 isAvoidNamespace "$cfgdir" || {
285 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
289 function _generateChcontextOptions
292 local ctx hostname domainname
297 read ctx <"$vdir"/context || :
298 read hostname <"$vdir"/hostname || :
299 read domainname <"$vdir"/domainname || :
302 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
304 _generateCapabilityOptions "$vdir"
305 _generateFlagOptions "$vdir"
307 CHCONTEXT_OPTS=( $SILENT_OPT \
308 "${CHCONTEXT_FLAG_OPTS[@]}" \
311 ${ctx:+--ctx "$ctx"} \
312 ${hostname:+--hostname "$hostname"} \
313 ${domainname:+--domainname "$domainname"} )
315 OPTS_VCONTEXT_CREATE=( $SILENT_OPT \
316 ${ctx:+--xid "$ctx"} )
317 ## put '--secure' at front so that it can be overridden
318 OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" )
321 function _getInterfaceValue
331 read tmp <"$i/$val" && break || :
338 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
339 function _transformMask2Prefix
344 $_MASK2PREFIX "$3" || tmp=$?
351 function _addInterfaceCmd
353 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
354 let ++INTERFACE_CMDS_IDX
357 ## Usage: _processSingleInterface <interface-directory>
358 function _processSingleInterface
370 _getInterfaceValue ip '' "$iface"
371 _getInterfaceValue dev '' "$iface" "$iface/.."
372 _getInterfaceValue prefix '' "$iface" "$iface/.."
373 _getInterfaceValue mask '' "$iface" "$iface/.."
374 _getInterfaceValue bcast '' "$iface" "$iface/.."
375 _getInterfaceValue name '' "$iface"
376 _getInterfaceValue scope '' "$iface" "$iface/.."
378 test "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; }
380 test ! -e "$iface"/only_ip || {
381 echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2
384 test ! -e "$iface"/nodev || unset dev
387 _transformMask2Prefix prefix "$prefix" "$mask"
391 test -d /proc/net/vlan || {
392 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
395 test -f /proc/net/vlan || {
396 _addInterfaceCmd VCONFIG "${dev/./ }"
397 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
398 _addInterfaceCmd IP_LINK "$dev"
403 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
404 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
405 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
406 _addInterfaceCmd IP_LINK "$dev"
410 ## Usage: _generateInterfaceOptions <vserver-directory>
411 function _generateInterfaceOptions
415 for iface in "$1/interfaces/"*; do
416 test -d "$iface" || continue
417 test ! -e "$iface"/disabled || continue
419 _processSingleInterface "$iface"
421 _HAVE_INTERFACE_OPTIONS=1
424 function enableInterfaces
429 while test $i -lt $INTERFACE_CMDS_IDX; do
430 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
435 VCONFIG) $_VCONFIG add "${var[@]}";;
436 IP_ADDR) $_IP addr add "${var[@]}";;
437 IP_LINK) $_IP link set "${var[@]}" up;;
438 IP_ROUTE) $_IP route add "${var[@]}";;
439 *) echo "Unknown interface-command type '$type'" >&2; false;;
446 function disableInterfaces
448 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
450 local i=$INTERFACE_CMDS_IDX
453 while test $i -gt 0; do
456 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
461 VCONFIG) $_VCONFIG rem "${var[@]}";;
462 IP_ADDR) $_IP addr del "${var[@]}";;
463 IP_LINK) ;; ## Ignore the link-down command for now
464 IP_ROUTE) $_IP route del "${var[@]}";;
465 *) echo "Unknown interface-command type '$type'" >&2; false;;
470 ## Usage: prepareInit <vserver-directory>
473 pushd "$1/vdir" >/dev/null
476 { find var/run ! -type d -print0; \
477 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
482 "${INITCMD_PREPARE[@]}"
486 function generateOptions
488 _generateInterfaceOptions "$1"
489 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
490 _generateNiceCommand "$1"
491 _generateInitOptions "$1"
492 _generateChcontextOptions "$1"
495 function mountVserver
502 test -e "$cfgdir"/fstab || return 0
504 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null
506 pushd "$vdir" >/dev/null
507 $_CHROOT_CAT /etc/mtab <"$mtab_src"
510 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
512 test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
513 $_VNAMESPACE --cleanup
515 $_CHBIND "${CHBIND_OPTS[@]}" \
516 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
518 isAvoidNamespace "$cfgdir" || \
519 $_SECURE_MOUNT --rbind -n "$vdir" "/"
522 function umountVserver
529 isAvoidNamespace "$cfgdir" || return 0
530 test -e "$cfgdir"/fstab || return 0
531 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
533 pushd "$vdir/" >/dev/null
534 tac "$cfgdir"/fstab | while read src dst tmp; do
535 test "$tmp" || continue
540 $_CHBIND "${CHBIND_OPTS[@]}" $_EXEC_CD "$dst" \
541 $_UMOUNT -lfn . || is_ok=
550 local vdir name flavor start i
554 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
555 function execScriptlets
563 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
564 test -f "$i" -a -r "$i" || continue
565 test -x "$i" || start=_sourceWrap
566 $start "$i" "$flavor" "$name"