3 # Copyright (C) 2003,2004,2005,2006 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.
23 declare -r _VS_NEWLINE=${_VS_NEWLINE:0-1}
24 declare -r VS_ALLVSERVERS_ARGS=all,marked,unmarked,stopped,running
35 test -n "$_fo_i" || continue
36 test ! $_fo_mod "$_fo_i" || { _fo_file=$_fo_i; break; }
39 test -z "$_fo_i" -o -n "$_fo_file" || {
40 echo "Can not find file for '$_fo_var'; aborting"
44 eval "$_fo_var=\"$_fo_file\""
60 test ! -s "$dst" || return 0
66 test -n "$tmp" -a -s "$tmp" || return 0
67 $_CP -af "$tmp" "$dst"
70 ## Usage: isRegularFile <filename> [<mod>]
71 function isRegularFile
73 test ${2:--f} "$1" || return 1
76 (*.rpmsave|*.rpmnew|*.rpmorig|*.cfsaved*|*.~*~) return 1;;
82 function getPhysicalDir
84 ( set -P && cd "$1" && pwd )
87 ## Usage:: isDirectoryEmpty <dir> [<ignore-lost+found>]
88 function isDirectoryEmpty
92 shopt -s nullglob || *
95 test -z "$2" -o "$2" = 0 || ignore_lostfound=
100 test "$ignore_lostfound" || exit 1
102 (*) echo "$i"; exit 1
110 ## Usage: logging <message>
113 if test -n "$_VS_LOGFILE"; then
114 echo "$@" >>"$_VS_LOGFILE"
120 ## Usage: warning <message>
123 if test -n "$_VS_ERRFILE"; then
124 echo "$@" >>"$_VS_ERRFILE"
130 ## Usage: panic <message>
133 if test -n "$_VS_ERRFILE"; then
134 echo "$@" >>"$_VS_ERRFILE"
142 ## Usage: execute <message>
145 test -z "${DEBUG_EXEC:-}" || echo "$@"
146 test "${DEBUG_EXEC:-}" = noexec || exec "$@"
151 ## Usage: spawn <message>
154 test -z "${DEBUG_EXEC:-}" || echo "$@"
155 test "${DEBUG_EXEC:-}" = noexec || "$@"
158 ## Usage: isNumber <arg>
162 let tmp=$1+0 2>/dev/null || test -z "${1//0/}" -a -n "$1" || return 1
166 ## Usage: hasSubstring <haystack> <needle>+
167 function hasSubstring
175 test x"${pat/*$i*/$i}" = x"$i" || continue
182 ## Usage: colorize <style> <command>
192 findFile cfile "$__CONFDIR"/.defaults/styles/"$style" ''
193 if test -n "$cfile"; then
197 (bold) echo -ne "\e[1m";;
198 (emph) echo -ne "\e[34m";;
199 (info) echo -ne "\e[0;34m";;
200 (warn*) echo -ne "\e[1;31m";;
201 (error) echo -ne "\e[1;33;41m";;
213 if test -n "$_VS_ERRFILE"; then
214 echo "$@" >>"$_VS_ERRFILE"
216 colorize error echo -n "$@" >&2
225 colorize warning warning "$@"
230 colorize info echo "$@"
234 ## Usage: xtermTitle <title>
238 echo -ne "\e]0;$@\007"
242 ## Usage: lock <lockfile> [<timeout>]
245 local tmp=$($_MKTEMP vserver-lock.XXXXXX)
249 $_LOCKFILE "$1" $tmp $2 &
250 $_GREP -q true $tmp 2>/dev/null || return 1
252 _VS_LOCKS="$! $_VS_LOCKS"
255 ## Usage: unlock [<num>]
262 while test "$#" -gt 0; do
263 kill -HUP "$1" >/dev/null || :
265 test "$num" != 1 || break
266 test -z "$num" || let --num
271 function get_init_cwd
273 if test -n "$INIT_CWD"; then
279 function set_init_cwd
285 function _setVserverDir
289 ./*) VSERVER_DIR="`get_init_cwd`/$vserver";;
290 /*) VSERVER_DIR="$vserver" ;;
291 *) VSERVER_DIR="$__CONFDIR/$vserver" ;;
295 function _setVserverName
297 VSERVER_NAME=$(basename "$VSERVER_DIR")
300 function _pkgMountBindDir()
302 test "$1" != "$2" || return 0
304 $_MOUNT -n --bind "$1" "$2"
307 function _pkgSetVarsBase
311 if test -d "$vserver/vdir"; then
313 VDIR=$(getPhysicalDir "$vserver/vdir")
315 PKGDIR=$BASEDIR/apps/pkgmgmt
316 test -d "$PKGDIR" || {
317 echo "Can not find configuration-directory for package-managment tools"
320 findDir EXECDIR $PKGDIR/execdir /
322 VDIR=$(getPhysicalDir "$vserver")
327 BASEDIR=$__CONFDIR/$vserver
328 test -d "$BASEDIR" || {
329 echo "Can not find configuration-directory"
334 test -d "$VDIR" || VDIR=$__DEFAULT_VSERVERDIR/$vserver
335 VDIR=$(getPhysicalDir "$VDIR")
337 PKGDIR=$BASEDIR/apps/pkgmgmt
338 test -d "$PKGDIR" || {
339 echo "Can not find configuration-directory for package-managment tools"
343 findDir EXECDIR $PKGDIR/execdir /
348 if test -z "$WORKAROUND_106057"; then
351 _rpmdb_mntpoint=/.rpmdb
355 function _pkgSetVarsRPM
357 if test -n "$PKGDIR"; then
358 findDir RPMETCDIR $PKGDIR/rpmetc $PKGDIR/base/rpm/etc /etc/rpm
359 findDir RPMSTATEDIR $PKGDIR/rpmstate $PKGDIR/base/rpm/state
361 findDir RPMLIBDIR $PKGDIR/rpmlib /
364 findDir RPMETCDIR "$VDIR"/etc/rpm /etc/rpm
365 findDir RPMSTATEDIR "$VDIR"/var/lib/rpm
369 RPMSTATEDIR=$(getPhysicalDir "$RPMSTATEDIR")
370 RPMETCDIR=$(getPhysicalDir "$RPMETCDIR")
373 function _pkgSetVarsApt
375 if test -n "$PKGDIR"; then
376 findDir APTETCDIR $PKGDIR/aptetc $PKGDIR/base/apt/etc /etc/apt
377 findDir APTSTATEDIR $PKGDIR/aptstate $PKGDIR/base/apt/state
378 findDir APTCACHEDIR $PKGDIR/aptcache $PKGDIR/base/apt/cache
379 findDir APTARCHIVDIR $PKGDIR/aptarchives $PKGDIR/base/apt/archives /var/cache/apt/archives
381 findDir APTETCDIR "$VDIR"/etc/apt /etc/apt
382 findDir APTSTATEDIR "$VDIR"/var/state/apt
383 findDir APTCACHEDIR "$VDIR"/var/cache/apt
384 findDir APTARCHIVDIR "$VDIR"/var/cache/apt/archives /var/cache/apt/archives
387 findFile APT_CONFIG "$APTETCDIR"/apt.conf ""
388 test -z "$APT_CONFIG" || export APT_CONFIG
391 function _pkgSetVarsYum
393 if test -n "$PKGDIR"; then
394 findDir YUMETCDIR $PKGDIR/yumetc $PKGDIR/base/yum/etc /etc
395 findDir YUMCACHEDIR $PKGDIR/yumcache $PKGDIR/base/yum/cache
397 findDir YUMETCDIR "$VDIR"/etc /etc
398 findDir YUMCACHEDIR "$VDIR"/var/cache/yum
403 function _pkgMountBase
408 function _pkgMountApt
413 function _pkgMountYum
418 function _pkgMountRPM
420 _pkgMountBindDir "$RPMETCDIR" /etc/rpm
421 test "$RPMLIBDIR" = "/" || _pkgMountBindDir "$RPMLIBDIR" /usr/lib/rpm
423 pushd "$VDIR" >/dev/null
425 $_SECURE_MOUNT --chroot -n --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint"
426 test -z "$WORKAROUND_106057" || mount -n --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint"
428 test -e "$VDIR"/proc/self/status || \
429 $_SECURE_MOUNT --chroot -n -t proc none /proc
434 function _pkgSetEnvBase
436 test "$EXECDIR" = "/" || {
438 LD_LIBRARY_PATH=$EXECDIR${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
441 export PATH LD_LIBRARY_PATH
444 function _pkgSetEnvApt
449 function _pkgSetEnvYum
454 function _pkgSetEnvRPM
457 RPM_FAKE_NAMESPACE_MOUNTS=$_rpmdb_mntpoint
458 RPM_BINARY=$_VRPM_PRELOAD
460 export CUR_VSERVER RPM_FAKE_NAMESPACE_MOUNTS RPM_BINARY
472 rpm) _pkgSetVarsRPM;;
473 apt) _pkgSetVarsApt;;
474 yum) _pkgSetVarsYum;;
475 *) echo "Unknown packaging flavor" >&2; exit 1;;
498 _PKG_VSERVER=$vserver
501 function isAvoidNamespace
505 $_VSERVER_INFO - FEATURE namespace || return 0
506 cfgdir=$($_VSERVER_INFO "$1" CFGDIR) || return 0
507 test ! -e "$cfgdir"/namespace || return 1
508 test -e "$__CONFDIR"/.defaults/nonamespace -o \
509 -e "$cfgdir"/nonamespace
512 function isNamespaceCleanup
516 $_VSERVER_INFO - FEATURE namespace || return 1
517 cfgdir=$($_VSERVER_INFO "$1" CFGDIR) || return 1
518 isAvoidNamespace "$1" && return 1
519 test -e "$cfgdir"/namespace-cleanup && return 0
520 test -e "$cfgdir"/nonamespace-cleanup -o \
521 -e "$__CONFDIR"/.defaults/nonamespace-cleanup && return 1
525 ## Usage: getAllVservers <var> [<KIND>*]
526 function getAllVservers
529 declare -a _ga_tmp=()
531 for _ga_i in $__CONFDIR/*; do
532 isRegularFile "$_ga_i" -d || continue
534 test ! -e "$_ga_i"/disabled || continue
535 test -d "$_ga_i"/vdir || continue
538 local _ga_markfile=$_ga_i/apps/init/mark
541 (MARKED) test -s "$_ga_markfile" || _ga_doadd=;;
542 (UNMARKED) test ! -s "$_ga_markfile" || _ga_doadd=;;
543 (STOPPED) ! $_VSERVER "$_ga_i" running &>/dev/null || _ga_doadd=;;
544 (RUNNING) $_VSERVER "$_ga_i" running &>/dev/null || _ga_doadd=;;
546 (MARK) test -s "$_ga_markfile" && grep -qx "$3" "$_ga_markfile" || _ga_doadd=;;
547 (*) panic $"Unknown vserver tagging '$2'";;
550 test -z "$_ga_doadd" || _ga_tmp=( "${_ga_tmp[@]}" "${_ga_i##$__CONFDIR/}")
553 eval $1='( "${_ga_tmp[@]}" )'
556 ## Usage: getAllVserversByArg <var> <arg>
557 function getAllVserversByArg
565 while test "$#" -ge 1; do
570 (--all) _gav_mark=ALL;;
571 (--marked) _gav_mark=MARKED;;
572 (--unmarked) _gav_mark=UNMARKED;;
573 (--stopped) _gav_mark=STOPPED;;
574 (--running) _gav_mark=RUNNING;;
575 (--mark*) _gav_mark=MARK
576 _gav_extra=${_gav_i##*=}
577 test -n "$_gav_extra" -a "$_gav_extra" != "--mark" || \
585 getAllVservers _gav_tmp "$_gav_mark" $_gav_extra
586 if test -n "$_gav_first"; then
587 _gav_res=( "${_gav_tmp[@]}" )
590 while test $_gav_i -lt "${#_gav_res[@]}"; do
592 for _gav_j in "${_gav_tmp[@]}"; do
593 if test "$_gav_j" = "${_gav_res[$_gav_i]}"; then
598 if test "$_gav_found" = 0; then
599 unset _gav_res[$_gav_i]
603 _gav_res=( "${_gav_res[@]}" )
608 eval $_gav_v='( "${_gav_res[@]}" )'
611 ## Usage: _getProcNumberCount <ctx> <var>
612 function _getProcNumberCount
615 local _gp_procnr_cnt=0
617 # Use /proc/virtual from kernel 2.6 when possible
618 if test -d "/proc/virtual"; then
619 set -- $($_GREP '^Tasks:' "/proc/virtual/$1/status" 2>/dev/null)
622 _gp_procnr_cnt=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$1" | $_WC -l )
625 let _gp_procnr_cnt=_gp_procnr_cnt+0
626 eval $_gp_var=\$_gp_procnr_cnt
629 ## Usage: getVserverCtx <vdir> <result-varname> [<procnumber-varname> [<do-cleanup>]]
630 ## Returns: 0 iff vserver is running
631 function getVserverStatus
633 test -r "$1"/run || return 1
636 read _gvs_ctx <"$1"/run
639 if test "$1" = "$($_VUNAME -g --xid "$_gvs_ctx" context)"; then
640 test -n "$3" || return 0
642 _getProcNumberCount "$_gvs_ctx" _gvs_tmp
645 test -n "$3" || return 1
650 if test "$_gvs_tmp" = 0; then
651 local runfile=$($_READLINK "$1/run")
652 test -z "$4" || $_RM -f "$runfile"
659 ## Usage: isCtxRunning <ctx>
660 function isCtxRunning
663 _getProcNumberCount "$1" _tmp
667 ## Usage: isVserverRunning <vdir> [<ctx-varname>]
668 function isVserverRunning
670 local _ivr_ctx _ivr_procnum
672 getVserverStatus "$1" _ivr_ctx _ivr_procnum 1 || return 1
673 test "$_ivr_procnum" != 0 || return 1
674 test -z "$2" || eval "$2"=\$_ivr_ctx
678 ## Called as 'getFileValue <varname> <filename>+'
679 function getFileValue
685 findFile _gfv_file "$@" ''
686 test -n "$_gfv_file" -a -r "$_gfv_file" || return 0
687 eval read "$_gfv_var" <"$_gfv_file"
690 ## Called as 'getFileArray <varname> <filename>+'
691 function getFileArray
697 findFile _gfa_file "$@" ''
698 test -n "$_gfa_file" -a -r "$_gfa_file" || return 0
699 local IFS=$_VS_NEWLINE
700 eval "$_gfa_var"='( $(< "$_gfa_file") )'
703 function checkComponents
714 (core) test -x "$_CHBIND" || failed=1;;
715 (build) test -x "$_VSERVER_BUILD" || failed=1;;
716 (sysv) test -x "$__INITRDDIR/vserver" || failed=1;;
717 (devel) test -d "$__INCLUDEDIR/vserver.h" || failed=1;;
718 (*) echo "Unknown component '$i'" >&2
723 test -z "$failed" || {
732 ## Usage: isKernelAPI <ver> [<cmp-modifier>]
736 api=$($_VSERVER_INFO - APIVER) || api=0
737 test $[ $api ] -${2:-ge} $[ $1 ]
740 ## Usage: callInNamespace <vserver> <command> <args>*
741 function callInNamespace
745 isAvoidNamespace "$1" || \
746 ctx=$( $_VSERVER_INFO "$1" CONTEXT f ) || ctx=
749 if test -n "$ctx"; then
750 $_VNAMESPACE --enter "$ctx" -- "$@"
756 ## Usage: setDefaultTTY <vdir> [<fallback-tty>]
757 function setDefaultTTY
761 cfgdir=$($_VSERVER_INFO "$1" APPDIR init) || cfgdir=
762 findObject -e ttyname \
763 ${cfgdir:+"$cfgdir"/tty} \
764 "$__CONFDIR/.defaults/apps/init/tty" \
767 if test -f "$ttyname"; then
775 ## Usage: killContext <XID> [<SIG>]
780 #$_VKILL -s STOP --xid "$1" 1 &>/dev/null || :
781 $_VKILL -s "$sig" --xid "$1" 1 &>/dev/null || :
782 $_VKILL -s "$sig" --xid "$1" &>/dev/null || :
783 #$_VKILL -s "$sig" --xid "$1" 1 &>/dev/null || :
784 #$_VKILL -s CONT --xid "$1" 1 &>/dev/null || :
789 test ! -e "$__CONFDIR/.defaults/apps/vlogin/disable"
792 ## Usage: pkgmgmt.guessStyle <vserver> <resultvar>
793 function pkgmgmt.guessStyle()
796 _pgs_vdir=$($_VSERVER_INFO "$1" VDIR) || {
797 echo $"Can not determine vserver-root" >&2
800 local _pgs_cfgdir=$($_VSERVER_INFO "$1" APPDIR pkgmgmt) || :
802 if test -n "$_pgs_cfgdir" -a -e "$_pgs_cfgdir"/style; then
803 read style <"$_pgs_cfgdir"/style
804 elif test -e "$_pgs_vdir"/etc/redhat-release -o -e "$_pgs_vdir"/etc/fedora-release; then
806 elif test -e "$_pgs_vdir"/etc/mandrake-release; then
808 elif test -e "$_pgs_vdir"/etc/debian_version; then
810 elif test -e "$_pgs_vdir"/etc/SuSE-release; then
813 echo $"Can not determine packagemanagement style" >&2
821 ## Usage: pkgmgmt.isInternal <vserver>
822 ## returns true iff <vserver> is configured for internal packagemanagement
823 ## A typical application is
825 ## | pkgmgmt.isInternal "$vserver" || is_external=1
826 function pkgmgmt.isInternal
828 local cfgdir=$($_VSERVER_INFO "$1" APPDIR pkgmgmt) || :
830 test -z "$cfgdir" -o ! -d "$cfgdir" -o -e "$cfgdir"/internal
833 ## Usage: pkgmgmt.isAptAvailable <cfgdir> <vdir> [<is-internal>]
834 function pkgmgmt.isAptAvailable
838 local is_internal="$3"
841 if test -n "$is_internal"; then
843 test -d "$cfgdir"/base/apt -o -d "$cfgdir"/aptetc || have_apt=
846 for i in /bin /usr/bin /usr/local/bin; do
847 test ! -x "$vdir$i"/apt-get || { have_apt=1; break; }
851 test -n "$have_apt" && return 0 || return 1
854 ## Usage: pkgmgmt.isYumAvailable <cfgdir> <vdir> [<is-internal>]
855 function pkgmgmt.isYumAvailable
859 local is_internal="$3"
862 if test -n "$is_internal"; then
864 test -d "$cfgdir"/base/yum -o -d "$cfgdir"/yumetc || have_yum=
867 for i in /bin /usr/bin /usr/local/bin; do
868 test ! -x "$vdir$i"/yum || { have_yum=1; break; }
872 test -n "$have_yum" && return 0 || return 1
876 function vshelper.doSanityCheck
878 local vshelper this_xid i
879 declare -a warnings=()
880 local solution_disable=
881 local solution_sysctl=
883 vshelper.isEnabled && vshelper.isEnabled warning || return 0
885 this_xid=$($_VSERVER_INFO - XID) ||
886 panic $"Failed to determine current context; aborting..."
888 ## Do nothing in other xid's; the helper will be executed in xid 0 only
889 test "$this_xid" = 0 || return 0
891 local proc_file=/proc/sys/kernel/vshelper
893 if ! test -r "$proc_file"; then
895 warnings=( "${warnings[@]}"
896 $"File '$proc_file' does not exist but is required for vshelper setup" )
899 vshelper=$(cat "$proc_file")
901 $_CMP -s "$vshelper" "$_VSHELPER" || {
903 test -r "$vshelper" && readable=1
904 warnings=( "${warnings[@]}"
905 $"The configured vshelper '$vshelper' does not match the 'vshelper'
906 script of the util-vserver package.${readable:+ Maybe you have two versions installed?}"
913 test -d "$__VSHELPERSTATEDIR" || {
914 warnings=( "${warnings[@]}"
916 The vshelper state-directory '$__VSHELPERSTATEDIR' does not exist; since
917 it is created by 'make install', this indicates a serious problem with
918 your util-vserver installation" )
922 test "${#warnings[@]}" -eq 0 || {
924 The following problem(s) were encountered while verifying vshelper
927 for i in "${warnings[@]}"; do
933 To fix this, you can:"
935 test -z "$solution_disable" || warning $"\
936 * disable vshelper entirely by executing
937 | touch \"$__CONFDIR/.defaults/apps/vshelper/disabled\"
938 * disable only this message by executing
939 | touch \"$__CONFDIR/.defaults/apps/vshelper/warning-disabled\""
941 test -x "$solution_sysctl" || warning $"\
942 * configure the util-vserver vshelper script, e.g. by adding
943 | kernel.vshelper = $_VSHELPER
944 to /etc/sysctl.conf and rebooting the machine, or by executing
945 | echo \"$_VSHELPER\" >$proc_file"
955 ## Usage: vshelper.isEnabled [<style>] [<vserver>]
956 function vshelper.isEnabled
958 local f=${1:+$1-}disabled
959 test ! -e "$__CONFDIR"/.defaults/apps/vshelper/"$f" || return 1
960 $_VSERVER_INFO - FEATURE vshelper || return 1
961 if test -n "$2"; then
963 appdir=$($_VSERVER_INFO "$2" APPDIR vshelper) || return 0
964 test -z "$2" -o ! -e "$appdir/$f" || return 1
970 ## Usage: vshelper.isDebug [<vserver>]
971 function vshelper.isDebug
973 test ! -e "$__CONFDIR"/.defaults/apps/vshelper/debug || return 0
974 $_VSERVER_INFO - FEATURE vshelper || return 1
975 if test -n "$1"; then
977 appdir=$($_VSERVER_INFO "$1" APPDIR vshelper) || return 1
978 test ! -e "$appdir/debug" || return 0
984 function vshelper._getHandlerInternal
989 shift ## HACK: see below the note about the 'set -u' mode
991 while test "$#" -ge 2; do
996 test "$_vghi_mod" "$_vghi_obj" || continue
999 eval $_vghi_var=\$_vghi_obj
1002 read _vghi_tmp <"$_vghi_obj"
1003 eval $_vghi_var=:\$_vghi_tmp
1005 (*) panic $"Internal error, unexpected modifier '$_vghi_mod'"
1013 ## Usage: vshelper.getHandler <result-var> <vserver> <action>
1014 function vshelper.getHandler
1017 _vgh_appdir=$($_VSERVER_INFO "$2" APPDIR vshelper) || _vgh_appdir=
1019 declare -a _vgh_search_list=( X )
1020 ## HACK: when we are in 'set -u' mode, empty lists are causing errors
1022 test -z "$_vgh_appdir" || _vgh_search_list=( "${_vgh_search_list[@]}" -x "$_vgh_appdir/$3" )
1023 test -z "$_vgh_appdir" || _vgh_search_list=( "${_vgh_search_list[@]}" -e "$_vgh_appdir/action" )
1024 _vgh_search_list=( "${_vgh_search_list[@]}" -x "$__CONFDIR"/.defaults/apps/vshelper/"$3" )
1025 _vgh_search_list=( "${_vgh_search_list[@]}" -e "$__CONFDIR"/.defaults/apps/vshelper/action )
1027 ! vshelper._getHandlerInternal "$1" "${_vgh_search_list[@]}" || return 0
1031 ## Usage: vshelper.init <vserver> [<method> <args>*]
1032 function vshelper.doInit
1034 vshelper.isEnabled || return 0
1037 xid=$($_VSERVER_INFO "$1" CONTEXT false) && test -n "$xid" || {
1038 warning $"vshelper.init: can not determine xid of vserver '$vserver'; returned value was '$xid'
1040 This usually means that you're using an init-less init-style, but the
1041 guest isn't configured to start any service. Try enabling a service,
1042 changing the init-style, or making the contexts persistent."
1046 local f="$__VSHELPERSTATEDIR/$xid"
1053 if test -n "$2"; then
1066 ## Usage: vshelper.doDestroy <vserver> <xid>
1067 function vshelper.doDestroy
1069 vshelper.isEnabled || return 0
1071 $_RM -f "$__VSHELPERSTATEDIR/$2"
1074 ## Usage: vshelper.initSync <vserver> <pipe-varname> [<method>]
1075 function vshelper.initSync
1078 _vis_tmpdir=$($_MKTEMPDIR vserver-stop.XXXXXX) || {
1079 warning $"Failed to generate temporary directory for vshelper sync"
1083 local _vis_fifo="$_vis_tmpdir"/pipe
1084 $_MKFIFO -m700 "$_vis_fifo"
1085 vshelper.doInit "$1" "${3:-sync}" "$_vis_fifo"
1089 ## Usage: vshelper.getSyncTimeout <vserver> <varname>
1090 function vshelper.getSyncTimeout
1092 local _vgst_appdir _vgst_file _vgst_tmp
1093 _vgst_appdir=$($_VSERVER_INFO "$1" APPDIR vshelper) || _vgst_appdir=
1095 findFile _vgst_file ${_vgst_appdir:+"$_vgst_appdir"/sync-timeout} "$__CONFDIR"/.defaults/apps/vshelper/sync-timeout ''
1096 test -n "$_vgst_file" || return 1
1097 read _vgst_tmp <"$_vgst_file"
1101 function vshelper.initStopSync
1103 local _iss_sync_dir=$($_MKTEMPDIR vshelper-stop-sync.XXXXXX) || {
1104 warning $"Failed to generate directory for vshelper sync"
1107 $_MKFIFO -m700 "$_iss_sync_dir/pipe"
1109 eval "$1"=\$_iss_sync_dir
1110 VSHELPER_STOP_SYNC="$_iss_sync_dir/pipe"
1111 export VSHELPER_STOP_SYNC
1114 function vshelper.waitForStopSync
1117 cat "$sync_dir/pipe" &> /dev/null
1121 function vshelper.doStopSync
1123 test ! -p "$VSHELPER_STOP_SYNC" || echo stopped > "$VSHELPER_STOP_SYNC"
1126 function vshelper.isStopSync
1128 test -p "$VSHELPER_STOP_SYNC" || return 1
1132 function _rpmFake.getCapFlags
1136 if test -n "$ctx" && ! $_VSERVER_INFO - FEATURE migrate; then
1137 set -- $($_CHCONTEXT_COMPAT --xid 1 \
1138 $_SH -c "$_CAT /proc/[0-9]*/status | $_EGREP '^(CapBset|s_context|ctxflags)'" | \
1139 $_GREP -B 1 -A 1 "^s_context: $ctx " | \
1140 $_SED -e '1,3p;d' | $_AWK '{ print $2 }')
1145 if test -n "$3"; then
1146 RPM_FAKE_CAP=$[ ~0x$1 ]
1149 RPM_FAKE_CAP=$[ ~0xd40c04ff ]
1154 function rpmFake.init
1158 vdir=$($_VSERVER_INFO "$1" VDIR) || vdir="$1"
1159 ctx=$($_VSERVER_INFO "$1" CONTEXT) || ctx=
1162 panic $"Can not find chroot environment at '$vdir' for '$1'"
1164 _rpmFake.getCapFlags "$ctx"
1166 RPM_FAKE_CHROOT=$vdir
1170 function rpmFake.exec
1172 export RPM_FAKE_CHROOT RPM_FAKE_CTX RPM_FAKE_CAP RPM_FAKE_FLAGS
1174 LD_PRELOAD=$_RPM_FAKE_SO${LD_PRELOAD:+:$LD_PRELOAD} \