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=
55 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
57 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
63 function _generateChbindOptions
69 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$vdir"
71 local f=$vdir/interfaces/bcast
72 getFileValue bcast "$f"
74 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
76 for i in "${INTERFACES[@]}"; do
77 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
80 _HAVE_CHBIND_OPTIONS=1
83 function _generateNiceCommand
88 test -r "$vdir/nice" || return 0;
89 read nice <"$vdir"/nice
91 NICE_CMD=( $_NICE -$nice )
94 function _generateCCapabilityOptions
98 local f="$vdir"/ccapabilities
100 test -e "$f" || return 0
104 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --ccap "$cap" );;
109 function _generateBCapabilityOptions
113 local f="$vdir"/bcapabilities
115 test -e "$f" || return 0
119 (*) OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --bcap "$cap" );;
124 function _generateCapabilityOptions
129 _generateBCapabilityOptions "$vdir"
130 _generateCCapabilityOptions "$vdir"
132 test -e "$vdir"/capabilities || return 0
141 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
142 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
145 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
148 done <"$vdir"/capabilities
151 function getEnterShell
157 getFileValue ENTER_SHELL "$vdir"/shell
159 test "$ENTER_SHELL" || {
161 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
163 test -x "$vdir/vdir/$1" || continue
170 ## Usage: sendKillSequence <ctx> <signal> [<wait> <signal>]*
171 function sendKillSequence
177 while isCtxRunning "$ctx"; do
178 test -z "$wait" || sleep "$wait"
180 $_VKILL -c "$ctx" ${1:+-s "$1"}
187 function _generateInitOptions
190 local cfgdir=$vdir/apps/init
197 INITCMD_START_SYNC=()
201 INITKILL_SEQ=( 15 5 9 )
202 CHCONTEXT_INIT_OPTS=()
205 getFileValue INITSTYLE "$cfgdir"/style
206 getFileValue runlevel_start "$cfgdir"/runlevel
207 getFileValue runlevel_start "$cfgdir"/runlevel.start
208 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
209 getFileArray INITKILL_SEQ "$cfgdir"/killseq
211 case x"$INITSTYLE" in
213 test "$runlevel_start" || runlevel_start=3
214 test "$runlevel_stop" || runlevel_stop=6
216 for i in /etc/init.d/rc /etc/rc.d/rc; do
217 test -x "$vdir/vdir/$i" || continue
218 INITCMD_START=( "$i" "$runlevel_start" )
219 INITCMD_STOP=( "$i" "$runlevel_stop" )
221 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
225 INITCMD_START=( /sbin/init )
226 INITCMD_STOP=( /sbin/init )
228 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
229 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
233 INITCMD_START=( /sbin/minit-start )
234 INITCMD_STOP=( /sbin/minit-stop )
236 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
237 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
238 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
239 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
243 INITCMD_START=( /sbin/rc default )
244 INITCMD_STOP=( /sbin/rc shutdown )
248 (*) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
252 getFileArray INITCMD_START "$cfgdir"/cmd.start
253 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
254 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
255 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
256 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
259 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
260 INITCMD_START_SYNC=()
265 function _generateFlagOptions
269 CHCONTEXT_FLAG_OPTS=()
271 test ! -e "$vdir"/flags || \
280 OPTS_VATTRIBUTE=( "${OPTS_VATTRIBUTE[@]}" --flag "$flag" )
281 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
287 isAvoidNamespace "$vdir" || {
289 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag namespace )
293 function _generateChcontextOptions
296 local ctx hostname domainname
301 read ctx <"$vdir"/context || :
302 read hostname <"$vdir"/hostname || :
303 read domainname <"$vdir"/domainname || :
306 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
308 _generateCapabilityOptions "$vdir"
309 _generateFlagOptions "$vdir"
311 CHCONTEXT_OPTS=( $SILENT_OPT \
312 "${CHCONTEXT_FLAG_OPTS[@]}" \
315 ${ctx:+--ctx "$ctx"} \
316 ${hostname:+--hostname "$hostname"} \
317 ${domainname:+--domainname "$domainname"} )
319 OPTS_VCONTEXT_CREATE=( $SILENT_OPT \
320 ${ctx:+--xid "$ctx"} )
321 ## put '--secure' at front so that it can be overridden
322 OPTS_VATTRIBUTE=( --secure "${OPTS_VATTRIBUTE[@]}" )
325 function _getInterfaceValue
335 read tmp <"$i/$val" && break || :
342 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
343 function _transformMask2Prefix
348 $_MASK2PREFIX "$3" || tmp=$?
355 function _addInterfaceCmd
357 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
358 let ++INTERFACE_CMDS_IDX
361 ## Usage: _processSingleInterface <interface-directory>
362 function _processSingleInterface
374 _getInterfaceValue ip '' "$iface"
375 _getInterfaceValue dev '' "$iface" "$iface/.."
376 _getInterfaceValue prefix '' "$iface" "$iface/.."
377 _getInterfaceValue mask '' "$iface" "$iface/.."
378 _getInterfaceValue bcast '' "$iface" "$iface/.."
379 _getInterfaceValue name '' "$iface"
380 _getInterfaceValue scope '' "$iface" "$iface/.."
382 test "$ip" || { echo $"Can not read ip for '$iface'" >&2; return 1; }
384 test ! -e "$iface"/only_ip || {
385 echo $"The 'only_ip' flag for interface '$iface' is deprecated; use 'nodev' instead of" >&2
388 test ! -e "$iface"/nodev || unset dev
391 _transformMask2Prefix prefix "$prefix" "$mask"
395 test -d /proc/net/vlan || {
396 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers" >&2
399 test -f /proc/net/vlan || {
400 _addInterfaceCmd VCONFIG "${dev/./ }"
401 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
402 _addInterfaceCmd IP_LINK "$dev"
407 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
408 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
409 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
410 _addInterfaceCmd IP_LINK "$dev"
414 ## Usage: _generateInterfaceOptions <vserver-directory>
415 function _generateInterfaceOptions
419 for iface in "$1/interfaces/"*; do
420 test -d "$iface" || continue
421 test ! -e "$iface"/disabled || continue
423 _processSingleInterface "$iface"
425 _HAVE_INTERFACE_OPTIONS=1
428 function enableInterfaces
433 while test $i -lt $INTERFACE_CMDS_IDX; do
434 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
439 VCONFIG) $_VCONFIG add "${var[@]}";;
440 IP_ADDR) $_IP addr add "${var[@]}";;
441 IP_LINK) $_IP link set "${var[@]}" up;;
442 IP_ROUTE) $_IP route add "${var[@]}";;
443 *) echo "Unknown interface-command type '$type'" >&2; false;;
450 function disableInterfaces
452 test "$_HAVE_INTERFACE_OPTIONS" || _generateInterfaceOptions "$1"
454 local i=$INTERFACE_CMDS_IDX
457 while test $i -gt 0; do
460 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
465 VCONFIG) $_VCONFIG rem "${var[@]}";;
466 IP_ADDR) $_IP addr del "${var[@]}";;
467 IP_LINK) ;; ## Ignore the link-down command for now
468 IP_ROUTE) $_IP route del "${var[@]}";;
469 *) echo "Unknown interface-command type '$type'" >&2; false;;
474 ## Usage: prepareInit <vserver-directory>
477 pushd "$1/vdir" >/dev/null
480 { find var/run ! -type d -print0; \
481 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
486 "${INITCMD_PREPARE[@]}"
490 function generateOptions
492 _generateInterfaceOptions "$1"
493 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$1"
494 _generateNiceCommand "$1"
495 _generateInitOptions "$1"
496 _generateChcontextOptions "$1"
498 if test "$_IS_FAKEINIT"; then
499 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
500 OPTS_VCONTEXT_MIGRATE=( "${OPTS_VCONTEXT_MIGRATE[@]}" --fakeinit --disconnect )
504 function _mountVserverInternal
507 test -e "$fstab" || return 0
510 "$@" $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$fstab"
513 function mountVserver
520 test -e "$cfgdir"/fstab -o \
521 -e "$cfgdir"/fstab.local || return 0
523 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab "$PKGLIBDEFAULTDIR"/mtab /dev/null
525 pushd "$vdir" >/dev/null
526 $_CHROOT_CAT /etc/mtab <"$mtab_src"
529 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
531 test -z "$NAMESPACE_CLEANUP" || isAvoidNamespace "$cfgdir" || \
532 $_VNAMESPACE --cleanup
534 _mountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}"
535 _mountVserverInternal "$cfgdir"/fstab.local
537 isAvoidNamespace "$cfgdir" || \
538 $_SECURE_MOUNT --rbind -n "$vdir" "/"
541 function _umountVserverInternal
544 test -e "$fstab" || return 0
549 while read src dst tmp; do
550 test "$tmp" || continue
556 "$@" $_EXEC_CD "$dst" $_UMOUNT -lfn . || is_ok=
562 function umountVserver
568 isAvoidNamespace "$cfgdir" || return 0
569 test -e "$cfgdir"/fstab -o \
570 -e "$cfgdir"/fstab.local || return 0
571 test "$_HAVE_CHBIND_OPTIONS" || _generateChbindOptions "$cfgdir"
573 pushd "$vdir/" >/dev/null || return 1
574 _umountVserverInternal "$cfgdir"/fstab.local || is_ok=
575 _umountVserverInternal "$cfgdir"/fstab $_CHBIND "${CHBIND_OPTS[@]}" || is_ok=
576 popd >/dev/null || return 1
583 local vdir name flavor start i
587 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
588 function execScriptlets
596 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
597 test -f "$i" -a -r "$i" || continue
598 test -x "$i" || start=_sourceWrap
599 $start "$i" "$flavor" "$name"