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 # $VSERVER_NAME ... name of vserver
22 declare -a NICE_CMD=()
23 declare -a CHBIND_OPTS=()
24 declare -a CAP_OPTS=()
25 declare -a CHCONTEXT_INIT_OPTS=()
26 declare -a CHCONTEXT_FLAG_OPTS=()
27 declare -a CHCONTEXT_DISCONNECT=()
28 declare -a CHCONTEXT_OPTS=()
29 declare -a CAPCHROOT_OPTS=()
30 declare -a INTERFACES=()
32 declare -a INITCMD_START=()
33 declare -a INITCMD_START_SYNC=()
34 declare -a INITCMD_STOP=()
35 declare -a INITCMD_STOP_SYNC=()
36 declare -a INITCMD_PREPARE=()
37 declare -a INITKILL_SEQ=()
38 declare -a ENTER_SHELL=()
49 _NEWLINE=${_NEWLINE:0-1}
51 : ${VSERVER_NAME:=$(basename "$VSERVER_DIR")}
53 if test -e "$VSERVER_DIR"/noisy; then
59 ## Called as '_getFileValue <varname> <filename>'
60 function _getFileValue
62 test -r "$2" || return 0
66 ## Called as '_getFileArray <varname> <filename>'
67 function _getFileArray
69 test -r "$2" || return 0
72 eval "$1"='( $(< "$2") )'
75 function _generateChbindOptions
81 local f=$vdir/interfaces/bcast
82 _getFileValue bcast "$f"
84 CHBIND_OPTS=( $SILENT_OPT ${bcast:+--bcast "$bcast"} )
86 for i in "${INTERFACES[@]}"; do
87 CHBIND_OPTS=( "${CHBIND_OPTS[@]}" --ip "$i" )
91 function _generateNiceCommand
96 test -r "$vdir/nice" || return 0;
97 read nice <"$vdir"/nice
99 NICE_CMD=( $_NICE -$nice )
102 function _generateCapabilityOptions
107 test -e "$vdir"/capabilities || return 0
116 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" )
117 CAPCHROOT_OPTS=( "${CAPCHROOT_OPTS[@]}" --nochroot )
120 CAP_OPTS=( "${CAP_OPTS[@]}" --cap "$cap" );;
122 done <"$vdir"/capabilities
125 function getEnterShell
131 _getFileValue ENTER_SHELL "$vdir"/shell
133 test "$ENTER_SHELL" || {
135 for i in "/bin/bash -login" "/bin/sh -l" /bin/csh; do
137 test -x "$vdir/vdir/$1" || continue
144 function _generateInitOptions
147 local cfgdir=$vdir/apps/init
154 INITCMD_START_SYNC=()
158 INITKILL_SEQ=( 15 5 9 )
159 CHCONTEXT_INIT_OPTS=()
162 _getFileValue INITSTYLE "$cfgdir"/style
163 _getFileValue runlevel_start "$cfgdir"/runlevel
164 _getFileValue runlevel_start "$cfgdir"/runlevel.start
165 _getFileValue runlevel_stop "$cfgdir"/runlevel.stop
166 _getFileArray INITKILL_SEQ "$cfgdir"/killseq
168 case x"$INITSTYLE" in
170 test "$runlevel_start" || runlevel_start=3
171 test "$runlevel_stop" || runlevel_stop=6
173 for i in /etc/init.d/rc /etc/rc.d/rc; do
174 test -x "$vdir/vdir/$i" || continue
175 INITCMD_START=( "$i" "$runlevel_start" )
176 INITCMD_STOP=( "$i" "$runlevel_stop" )
178 INITCMD_PREPARE=( $_FAKE_RUNLEVEL "$runlevel_start" /var/run/utmp )
182 INITCMD_START=( /sbin/init )
183 INITCMD_STOP=( /sbin/init )
184 CHCONTEXT_INIT_OPTS=( --flag fakeinit )
185 CHCONTEXT_DISCONNECT=( --disconnect )
186 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
187 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
191 INITCMD_START=( /sbin/minit-start )
192 INITCMD_STOP=( /sbin/minit-stop )
193 CHCONTEXT_INIT_OPTS=( --flag fakeinit )
194 CHCONTEXT_DISCONNECT=( --disconnect )
195 INITCMD_START_SYNC=( "$_INITSYNC_MINIT_START" "$vdir" )
196 INITCMD_STOP_SYNC=( "$_INITSYNC_MINIT_STOP" "$vdir" )
197 test -z "$runlevel_start" || INITCMD_START=( "${INITCMD_START[@]}" "$runlevel_start" )
198 test -z "$runlevel_stop" || INITCMD_STOP=( "${INITCMD_STOP[@]}" "$runlevel_stop" )
202 *) echo "Unknown init-style '$INITSTYLE'; aborting" >&2;
206 _getFileArray INITCMD_START "$cfgdir"/cmd.start
207 _getFileArray INITCMD_STOP "$cfgdir"/cmd.stop
208 _getFileArray INITCMD_START_SYNC "$cfgdir"/cmd.start-sync
209 _getFileArray INITCMD_STOP_SYNC "$cfgdir"/cmd.stop-sync
210 _getFileArray INITCMD_PREPARE "$cfgdir"/cmd.prepare
213 test -e "$cfgdir"/sync -o "$OPTION_FORCE_SYNC" || {
214 INITCMD_START_SYNC=()
219 function _generateFlagOptions
223 CHCONTEXT_FLAG_OPTS=()
225 test -e "$vdir"/flags || return 0
232 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}" --flag fakeinit )
233 CHCONTEXT_DISCONNECT=( --disconnect )
236 CHCONTEXT_FLAG_OPTS=( "${CHCONTEXT_FLAG_OPTS[@]}"
243 function _generateChcontextOptions
246 local ctx hostname domainname
251 read ctx <"$vdir"/context
252 read hostname <"$vdir"/hostname
253 read domainname <"$vdir"/domainname
256 test -z "$S_CONTEXT" || ctx=$S_CONTEXT
258 _generateCapabilityOptions "$vdir"
259 _generateFlagOptions "$vdir"
261 CHCONTEXT_OPTS=( $SILENT_OPT \
262 "${CHCONTEXT_FLAG_OPTS[@]}" \
263 "${CHCONTEXT_INIT_OPTS[@]}" \
266 ${ctx:+--ctx "$ctx"} \
267 ${hostname:+--hostname "$hostname"} \
268 ${domainname:+--domainname "$domainname"} )
271 function _getInterfaceValue
281 read tmp <"$i/$val" && break || :
288 ## Usage: _transformMask2Prefix <result-varname> <prefix> <mask>
289 function _transformMask2Prefix
294 $_MASK2PREFIX "$3" || tmp=$?
301 function _addInterfaceCmd
303 eval INTERFACE_CMDS_${INTERFACE_CMDS_IDX}='( "$@" )'
304 let ++INTERFACE_CMDS_IDX
307 ## Usage: _processSingleInterface <interface-directory>
308 function _processSingleInterface
320 _getInterfaceValue ip '' "$iface"
321 _getInterfaceValue dev '' "$iface" "$iface/.."
322 _getInterfaceValue prefix '' "$iface" "$iface/.."
323 _getInterfaceValue mask '' "$iface" "$iface/.."
324 _getInterfaceValue bcast '' "$iface" "$iface/.."
325 _getInterfaceValue name '' "$iface"
326 _getInterfaceValue scope '' "$iface" "$iface/.."
328 test "$ip" || { echo $"Can not read ip for '$iface'"; return 1; }
330 test ! -e "$iface"/only_ip || unset dev
333 _transformMask2Prefix prefix "$prefix" "$mask"
337 test -d /proc/net/vlan || {
338 echo -e $"VLAN device-name used, but vlan subsystem not enabled.\nTry to execute 'modprobe 8021q' before starting the vservers"
341 test -f /proc/net/vlan || {
342 _addInterfaceCmd VCONFIG "${dev/./ }"
343 _addInterfaceCmd IP_ADDR 127.0.0.1/8 broadcast 127.255.255.255 dev "$dev"
344 _addInterfaceCmd IP_LINK "$dev"
349 INTERFACES=( "${INTERFACES[@]}" "$ip${prefix:+/$prefix}" )
350 _addInterfaceCmd IP_ADDR "$ip${prefix:+/$prefix}" broadcast ${bcast:-+} ${name:+label "$dev:$name"} dev "$dev"
351 #_addInterfaceCmd IP_ROUTE "$ip${prefix:+/$prefix}" dev "$dev"
352 _addInterfaceCmd IP_LINK "$dev"
356 ## Usage: _generateInterfaceOptions <vserver-directory>
357 function _generateInterfaceOptions
361 for iface in "$1/interfaces/"*; do
362 test -d "$iface" || continue
363 test ! -e "$iface"/disabled || continue
365 _processSingleInterface "$iface"
369 function enableInterfaces
374 while test $i -lt $INTERFACE_CMDS_IDX; do
375 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
380 VCONFIG) $_VCONFIG add "${var[@]}";;
381 IP_ADDR) $_IP addr add "${var[@]}";;
382 IP_LINK) $_IP link set "${var[@]}" up;;
383 IP_ROUTE) $_IP route add "${var[@]}";;
384 *) echo "Unknown interface-command type '$type'" >&2; false;;
391 function disableInterfaces
393 local i=$INTERFACE_CMDS_IDX
396 while test $i -gt 0; do
399 eval var='( "${INTERFACE_CMDS_'$i'[@]}" )'
404 VCONFIG) $_VCONFIG rem "${var[@]}";;
405 IP_ADDR) $_IP addr del "${var[@]}";;
406 IP_LINK) ;; ## Ignore the link-down command for now
407 IP_ROUTE) $_IP route del "${var[@]}";;
408 *) echo "Unknown interface-command type '$type'" >&2; false;;
413 ## Usage: prepareInit <vserver-directory>
416 pushd "$1/vdir" >/dev/null
419 { find var/run ! -type d -print0; \
420 find var/lock ! -type d -print0; } | xargs -0r $_CHROOT_RM
425 "${INITCMD_PREPARE[@]}"
429 function generateOptions
431 _generateInterfaceOptions "$1"
432 _generateChbindOptions "$1"
433 _generateNiceCommand "$1"
434 _generateInitOptions "$1"
435 _generateChcontextOptions "$1"
438 function mountVserver
444 test -e "$cfgdir"/fstab || return 0
446 findObject -r mtab_src "$CONFDIR"/.defaults/init/mtab "$vdir"/apps/init/mtab /dev/null
448 pushd "$vdir" >/dev/null
449 $_CHROOT_CAT /etc/mtab <"$mtab_src"
452 $_CHBIND "${CHBIND_OPTS[@]}" \
453 $_SECURE_MOUNT -a --chroot "$vdir" --fstab "$cfgdir"/fstab
456 function umountVserver
463 test -e "$cfgdir"/fstab || return 0
465 pushd "$vdir/" >/dev/null
466 tac "$cfgdir"/fstab | while read src dst tmp; do
467 test "$tmp" || continue
472 $_CHBIND "${CHBIND_OPTS[@]}" \
473 $_SECURE_UMOUNT "$dst" || is_ok=
482 local vdir name flavor start i
486 ## Usage: execScriptlets <vserver-cfgdir> <vserver-name> <script-flavor>
487 function execScriptlets
495 for i in "$vdir/scripts/$flavor" "$vdir/scripts/$flavor.d"/*; do
496 test -f "$i" -a -r "$i" || continue
497 test -x "$i" || start=_sourceWrap
498 $start "$i" "$flavor" "$name"