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=()
47 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
49 if test -e "$VSERVER_DIR"/noisy -o "$OPTION_VERBOSE"; then
55 function _generateChbindOptions
61 local f=$vdir/interfaces/bcast
62 getFileValue bcast "$f"
64 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
66 for i in "${INTERFACES[@]}"; do
67 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
71 function _generateNiceCommand
76 test -r "$vdir/nice" || return 0;
77 read nice <"$vdir"/nice
79 NICE_CMD=( $_NICE -$nice )
82 function _generateCapabilityOptions
87 test -e "$vdir"/capabilities || return 0
96 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
97 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
100 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );;
102 done <"$vdir"/capabilities
105 function getEnterShell
111 getFileValue ENTER_SHELL "$vdir"/shell
113 test "$ENTER_SHELL" || {
115 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
117 test -x "$vdir/vdir/$1" || continue
124 function _generateInitOptions
127 local cfgdir=$vdir/apps/init
134 INITCMD_START_SYNC=()
138 INITKILL_SEQ=( 15 5 9 )
139 CHCONTEXT_INIT_OPTS=()
142 getFileValue INITSTYLE "$cfgdir"/style
143 getFileValue runlevel_start "$cfgdir"/runlevel
144 getFileValue runlevel_start "$cfgdir"/runlevel.start
145 getFileValue runlevel_stop "$cfgdir"/runlevel.stop
146 getFileArray INITKILL_SEQ "$cfgdir"/killseq
148 case x"$INITSTYLE" in
150 test "$runlevel_start" || runlevel_start=3
151 test "$runlevel_stop" || runlevel_stop=6
153 for i in /etc/init.d/rc /etc/rc.d/rc; do
154 test -x "$vdir/vdir/$i" || continue
155 INITCMD_START=( "$i" "$runlevel_start" )
156 INITCMD_STOP=( "$i" "$runlevel_stop" )
158 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
162 INITCMD_START=( /sbin/init )
163 INITCMD_STOP=( /sbin/init )
164 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
165 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
166 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
170 INITCMD_START=( /sbin/minit-start )
171 INITCMD_STOP=( /sbin/minit-stop )
172 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
173 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
174 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
175 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
176 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
180 *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
184 getFileArray INITCMD_START "$cfgdir"/cmd.start
185 getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
186 getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
187 getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
188 getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
191 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
192 INITCMD_START_SYNC=()
197 function _generateFlagOptions
201 CHCONTEXT_FLAG_OPTS=()
203 test -e "$vdir"/flags || return 0
210 CHCONTEXT_INIT_OPTS=( --disconnect --flag fakeinit )
213 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
220 function _generateChcontextOptions
223 local ctx hostname domainname
228 read ctx <"$vdir"/context
229 read hostname <"$vdir"/hostname
230 read domainname <"$vdir"/domainname
233 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
235 _generateCapabilityOptions "$vdir"
236 _generateFlagOptions "$vdir"
238 CHCONTEXT_OPTS=( $SILENT_OPT \
239 "${CHCONTEXT_FLAG_OPTS[@]}" \
242 ${ctx:+--ctx "$ctx"} \
243 ${hostname:+--hostname "$hostname"} \
244 ${domainname:+--domainname "$domainname"} )
247 function _getInterfaceValue
257 read tmp <"$i/$val" && break || :
264 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
265 function _transformMask2Prefix
270 $_MASK2PREFIX "$3" || tmp=$?
277 function _addInterfaceCmd
279 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
280 let ++INTERFACE_CMDS_IDX
283 ## Usage: _processSingleInterface <interface-directory>
284 function _processSingleInterface
296 _getInterfaceValue ip '' "$iface"
297 _getInterfaceValue dev '' "$iface" "$iface/.."
298 _getInterfaceValue prefix '' "$iface" "$iface/.."
299 _getInterfaceValue mask '' "$iface" "$iface/.."
300 _getInterfaceValue bcast '' "$iface" "$iface/.."
301 _getInterfaceValue name '' "$iface"
302 _getInterfaceValue scope '' "$iface" "$iface/.."
304 test "$ip" || { echo $"Can not read ip for '$iface'"; return 1; }
306 test ! -e "$iface"/only_ip || unset dev
309 _transformMask2Prefix prefix "$prefix" "$mask"
313 test -d /proc/net/vlan || {
314 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers"
317 test -f /proc/net/vlan || {
318 _addInterfaceCmd VCONFIG "${dev/./ }"
319 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
320 _addInterfaceCmd IP_LINK "$dev"
325 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
326 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
327 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
328 _addInterfaceCmd IP_LINK "$dev"
332 ## Usage: _generateInterfaceOptions <vserver-directory>
333 function _generateInterfaceOptions
337 for iface in "$1/interfaces/"*; do
338 test -d "$iface" || continue
339 test ! -e "$iface"/disabled || continue
341 _processSingleInterface "$iface"
345 function enableInterfaces
350 while test $i -lt $INTERFACE_CMDS_IDX; do
351 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
356 VCONFIG) $_VCONFIG add "${var[@]}";;
357 IP_ADDR) $_IP addr add "${var[@]}";;
358 IP_LINK) $_IP link set "${var[@]}" up;;
359 IP_ROUTE) $_IP route add "${var[@]}";;
360 *) echo "Unknown interface-command type '$type'" >&2; false;;
367 function disableInterfaces
369 local i=$INTERFACE_CMDS_IDX
372 while test $i -gt 0; do
375 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
380 VCONFIG) $_VCONFIG rem "${var[@]}";;
381 IP_ADDR) $_IP addr del "${var[@]}";;
382 IP_LINK) ;; ## Ignore the link-down command for now
383 IP_ROUTE) $_IP route del "${var[@]}";;
384 *) echo "Unknown interface-command type '$type'" >&2; false;;
389 ## Usage: prepareInit <vserver-directory>
392 pushd "$1/vdir" >/dev/null
395 { find var/run ! -type d -print0; \
396 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
401 "${INITCMD_PREPARE[@]}"
405 function generateOptions
407 _generateInterfaceOptions "$1"
408 _generateChbindOptions "$1"
409 _generateNiceCommand "$1"
410 _generateInitOptions "$1"
411 _generateChcontextOptions "$1"
414 function mountVserver
420 test -e "$cfgdir"/fstab || return 0
422 findObject -r mtab_src "$vdir"/apps/init/mtab "$CONFDIR"/.defaults/init/mtab /dev/null
424 pushd "$vdir" >/dev/null
425 $_CHROOT_CAT /etc/mtab <"$mtab_src"
428 $_CHBIND "${CHBIND_OPTS[@]}" \
429 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
432 function umountVserver
439 test -e "$cfgdir"/fstab || return 0
441 pushd "$vdir/" >/dev/null
442 tac "$cfgdir"/fstab | while read src dst tmp; do
443 test "$tmp" || continue
448 $_CHBIND "${CHBIND_OPTS[@]}" \
449 $_SECURE_UMOUNT "$dst" || is_ok=
458 local vdir name flavor start i
462 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
463 function execScriptlets
471 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
472 test -f "$i" -a -r "$i" || continue
473 test -x "$i" || start=_sourceWrap
474 $start "$i" "$flavor" "$name"