function findObject
{
- local mod=$1
- local var=$2
- local file=
- local i=X
+ local _fo_mod=$1
+ local _fo_var=$2
+ local _fo_file=
+ local _fo_i=X
shift 2
- for i; do
- test "$i" || continue
- test ! $mod "$i" || { file=$i; break; }
+ for _fo_i; do
+ test "$_fo_i" || continue
+ test ! $_fo_mod "$_fo_i" || { _fo_file=$_fo_i; break; }
done
- test -z "$i" -o "$file" || {
- echo "Can not find file for '$var'; aborting"
+ test -z "$_fo_i" -o "$_fo_file" || {
+ echo "Can not find file for '$_fo_var'; aborting"
exit 1
} >&2
- eval "$var=\"$file\""
+ eval "$_fo_var=\"$_fo_file\""
}
function findFile
findFile tmp "$@"
test "$tmp" -a -s "$tmp" || return 0
- cp -af "$tmp" "$dst"
+ $_CP -af "$tmp" "$dst"
}
function getPhysicalDir
( set -P && cd "$1" && pwd )
}
+## Usage: logging <message>
function logging
{
if test "$_VS_LOGFILE"; then
fi
}
+## Usage: warning <message>
function warning
{
if test "$_VS_ERRFILE"; then
fi
}
+## Usage: panic <message>
function panic
{
if test "$_VS_ERRFILE"; then
exit 1
}
+## Usage: execute <message>
function execute
{
test -z "${DEBUG_EXEC:-}" || echo "$@"
exit 0
}
+## Usage: isNumber <arg>
+function isNumber
+{
+ local tmp
+ let tmp=$1+0 2>/dev/null || test -z "${1//0/}" -a "$1" || return 1
+ return 0
+}
+
+## Usage: colorize <style> <command>
+function colorize
+{
+ local style=$1
+ shift
+
+ if ! $_TTY -s; then
+ "$@"
+ else
+ local cfile
+ findFile cfile "$CONFDIR"/.defaults/styles/"$style" ''
+ if test "$cfile"; then
+ $_CAT "$cfile"
+ else
+ case "$style" in
+ (bold) echo -ne "\e[1m";;
+ (emph) echo -ne "\e[34m";;
+ (info) echo -ne "\e[0;34m";;
+ (warn*) echo -ne "\e[1;31m";;
+ (error) echo -ne "\e[1;33;41m";;
+ (*) ;;
+ esac
+ fi
+
+ "$@"
+ echo -ne "\e[m"
+ fi
+}
+
+## Usage: xtermTitle <title>
+function xtermTitle
+{
+ $_TTY -s || return 0
+ echo -ne "\e]0;$@\007"
+}
+
+_VS_LOCKS=''
+## Usage: lock <lockfile> [<timeout>]
+function lock
+{
+ local tmp=$($_MKTEMP /tmp/vserver-lock.XXXXXX)
+ $_RM -f $tmp
+ $_MKFIFO -m600 $tmp
+
+ $_LOCKFILE "$1" $tmp $2 &
+ $_GREP -q true $tmp 2>/dev/null || return 1
+
+ _VS_LOCKS="$! $_VS_LOCKS"
+}
+
+## Usage: unlock [<num>]
+function unlock
+{
+ local num=$1
+ local i
+
+ set -- $_VS_LOCKS
+ while test "$#" -gt 0; do
+ kill -HUP "$1" >/dev/null || :
+ shift
+ test "$num" != 1 || break
+ test -z "$num" || let --num
+ done
+ _VS_LOCKS="$@"
+}
function _pkgMountBindDir()
{
test "$1" != "$2" || return 0
- mount -n --bind "$1" "$2"
+ $_MOUNT -n --bind "$1" "$2"
}
function _pkgSetVarsBase
_pkgMountBindDir "$RPMETCDIR" /etc/rpm
test "$RPMLIBDIR" = "/" || _pkgMountBindDir "$RPMLIBDIR" /usr/lib/rpm
- "$_SECURE_MOUNT" --chroot "$VDIR" -n --secure --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint"
+ pushd "$VDIR" >/dev/null
+
+ $_SECURE_MOUNT --chroot -n --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint"
test -z "$WORKAROUND_106057" || mount -n --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint"
test -e "$VDIR"/proc/self/status || \
- "$_SECURE_MOUNT" --chroot "$VDIR" -n --secure -t proc none /proc
+ $_SECURE_MOUNT --chroot -n -t proc none /proc
+
+ popd >/dev/null
}
function _pkgSetEnvBase
function getAllVservers
{
- local i
- declare -a _tmp=()
+ local _ga_i
+ declare -a _ga_tmp=()
- for i in $CONFDIR/*; do
- test -d "$i" || continue
- test ! -e "$i"/disabled || continue
- test -d "$i"/vdir || continue
- case "$i" in
+ for _ga_i in $CONFDIR/*; do
+ test -d "$_ga_i" || continue
+ test ! -e "$_ga_i"/disabled || continue
+ test -d "$_ga_i"/vdir || continue
+ case "$_ga_i" in
*.~*~) continue;;
esac
- _tmp=( "${_tmp[@]}" "${i##$CONFDIR/}")
+ _ga_tmp=( "${_ga_tmp[@]}" "${_ga_i##$CONFDIR/}")
done
- eval $1='( "${_tmp[@]}" )'
+ eval $1='( "${_ga_tmp[@]}" )'
+}
+
+## Usage: _getProcNumberCount <ctx> <var>
+function _getProcNumberCount
+{
+ local _gp_var=$2
+ local _gp_procnr_cnt=0
+
+ # Use /proc/virtual from kernel 2.6 when possible
+ if test -d "/proc/virtual"; then
+ set -- $($_GREP '^PROC:' "/proc/virtual/$1/limit" 2>/dev/null)
+ _gp_procnr_cnt=$2
+ else
+ _gp_procnr_cnt=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$1" | $_WC -l )
+ fi
+
+ let _gp_procnr_cnt=_gp_procnr_cnt+0
+ eval $_gp_var=\$_gp_procnr_cnt
}
## Usage: getVserverCtx <vdir> <result-varname> [<procnumber-varname> [<do-cleanup>]]
{
test -r "$1"/run || return 1
- local _ctx
- read _ctx <"$1"/run
- eval "$2"=\$_ctx
+ local _gvs_ctx
+ read _gvs_ctx <"$1"/run
+ eval "$2"=\$_gvs_ctx
test "$3" || return 0
- local _tmp=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$_ctx" | $_WC -l )
- let _tmp=_tmp+0
- eval "$3"=\$_tmp
+ local _gvs_tmp
+ _getProcNumberCount "$_gvs_ctx" _gvs_tmp
+ eval "$3"=\$_gvs_tmp
- if test "$_tmp" = 0; then
+ if test "$_gvs_tmp" = 0; then
local runfile=$($_READLINK "$1/run")
- test -z "$4" || rm -f "$runfile"
+ test -z "$4" || $_RM -f "$runfile"
return 1
fi
## Usage: isCtxRunning <ctx>
function isCtxRunning
{
- local _tmp=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$1" | $_WC -l )
+ local _tmp
+ _getProcNumberCount "$1" _tmp
test $_tmp -gt 0
}
## Usage: isVserverRunning <vdir> [<ctx-varname>]
function isVserverRunning
{
- local ctx procnum
+ local _ivr_ctx _ivr_procnum
- getVserverStatus "$1" ctx procnum 1 || return 1
- test $procnum != 0 || return 1
- test -z "$2" || eval "$2"=\$ctx
+ getVserverStatus "$1" _ivr_ctx _ivr_procnum 1 || return 1
+ test $_ivr_procnum != 0 || return 1
+ test -z "$2" || eval "$2"=\$_ivr_ctx
return 0
}
-## Called as 'getFileValue <varname> <filename>'
+## Called as 'getFileValue <varname> <filename>+'
function getFileValue
{
- test -r "$2" || return 0
- eval read "$1" <"$2"
+ local _gfv_var=$1
+ local _gfv_file
+ shift
+
+ findFile _gfv_file "$@" ''
+ test "$_gfv_file" -a -r "$_gfv_file" || return 0
+ eval read "$_gfv_var" <"$_gfv_file"
}
## Called as 'getFileArray <varname> <filename>'
for i; do
local failed=
case "$i" in
- core) test -x "$_CHBIND" || failed=1;;
- build) test -x "$_VSERVER_BUILD" || failed=1;;
- sysv) test -x "$INITRDDIR/vserver" || failed=1;;
- devel) test -d "$INCLUDEDIR/vserver.h" || failed=1;;
- *) echo "Unknown component '$i'" >&2
+ (core) test -x "$_CHBIND" || failed=1;;
+ (build) test -x "$_VSERVER_BUILD" || failed=1;;
+ (sysv) test -x "$INITRDDIR/vserver" || failed=1;;
+ (devel) test -d "$INCLUDEDIR/vserver.h" || failed=1;;
+ (*) echo "Unknown component '$i'" >&2
return false
;;
esac
local ctx=
isAvoidNamespace "$1" || \
- ctx=$( $_VSERVER_INFO "$1" CONTEXT t ) || ctx=
+ ctx=$( $_VSERVER_INFO "$1" CONTEXT f ) || ctx=
shift
if test "$ctx"; then
fi
}
+## Usage: setDefaultTTY <vdir> [<fallback-tty>]
+function setDefaultTTY
+{
+ local cfgdir ttyname
+
+ cfgdir=$($_VSERVER_INFO "$1" APPDIR init) || cfgdir=
+ findObject -e ttyname \
+ ${cfgdir:+"$cfgdir"/tty} \
+ "$CONFDIR/.defaults/apps/init/tty" \
+ $2 /dev/null
+
+ exec <$ttyname
+ exec &>$ttyname
+}
+
## Usage: pkgmgmt.guessStyle <vserver> <resultvar>
function pkgmgmt.guessStyle()
{
- local vdir=$($_VSERVER_INFO "$1" VDIR) || {
+ local _pgs_vdir=$($_VSERVER_INFO "$1" VDIR) || {
echo $"Can not determine vserver-root" >&2
return 1
}
- local cfgdir=$($_VSERVER_INFO "$1" APPDIR pkgmgmt) || :
+ local _pgs_cfgdir=$($_VSERVER_INFO "$1" APPDIR pkgmgmt) || :
- if test "$cfgdir" -a -e "$cfgdir"/style; then
- read style <"$cfgdir"/style
- elif test -e "$vdir"/etc/redhat-release -o -e "$vdir"/etc/fedora-release; then
+ if test "$_pgs_cfgdir" -a -e "$_pgs_cfgdir"/style; then
+ read style <"$_pgs_cfgdir"/style
+ elif test -e "$_pgs_vdir"/etc/redhat-release -o -e "$_pgs_vdir"/etc/fedora-release; then
style=redhat
- elif test -e "$vdir"/etc/mandrake-release; then
+ elif test -e "$_pgs_vdir"/etc/mandrake-release; then
style=mandrake
- elif test -e "$vdir"/etc/debian_version; then
+ elif test -e "$_pgs_vdir"/etc/debian_version; then
style=debian
- elif test -e "$vdir"/etc/SuSE-release; then
+ elif test -e "$_pgs_vdir"/etc/SuSE-release; then
style=suse
else
echo $"Can not determine packagemanagement style" >&2
else
vshelper=$(cat "$proc_file")
- cmp -s "$vshelper" "$_VSHELPER" || {
+ $_CMP -s "$vshelper" "$_VSHELPER" || {
warnings=( "${warnings[@]}"
$"The configured vshelper '$vshelper' does not match the 'vshelper'
script of the util-vserver package"
test -d "$VSHELPERSTATEDIR" || {
warnings=( "${warnings[@]}"
$"\
-The vshelper state-directory '$VSHELPERSTATEDIR' does not exist;
- since it is created by 'make install', this indicates a serious
- problem with your util-vserver installation" )
+The vshelper state-directory '$VSHELPERSTATEDIR' does not exist; since
+it is created by 'make install', this indicates a serious problem with
+your util-vserver installation" )
solution_disable=1
}
function vshelper._getHandlerInternal
{
- local var=$1
- local tmp
+ local _vghi_var=$1
+ local _vghi_tmp
shift
shift ## HACK: see below the note about the 'set -u' mode
while test "$#" -ge 2; do
- local mod=$1
- local obj=$2
+ local _vghi_mod=$1
+ local _vghi_obj=$2
shift 2
- test "$mod" "$obj" || continue
- case "$mod" in
+ test "$_vghi_mod" "$_vghi_obj" || continue
+ case "$_vghi_mod" in
(-x)
- eval $var=\$obj
+ eval $_vghi_var=\$_vghi_obj
;;
(-e)
- read tmp <"$obj"
- eval $var=:\$tmp
+ read _vghi_tmp <"$_vghi_obj"
+ eval $_vghi_var=:\$_vghi_tmp
;;
- (*) panic $"Internal error, unexpected modifier '$mod'"
+ (*) panic $"Internal error, unexpected modifier '$_vghi_mod'"
esac
return 0
done
## Usage: vshelper.getHandler <result-var> <vserver> <action>
function vshelper.getHandler
{
- local appdir=$($_VSERVER_INFO "$2" APPDIR vshelper) || appdir=
- local script
- declare -a search_list=( X )
+ local _vgh_appdir=$($_VSERVER_INFO "$2" APPDIR vshelper) || _vgh_appdir=
+ declare -a _vgh_search_list=( X )
## HACK: when we are in 'set -u' mode, empty lists are causing errors
- test -z "$appdir" || search_list=( "${search_list[@]}" -x "$appdir/$3" )
- test -z "$appdir" || search_list=( "${search_list[@]}" -e "$appdir/action" )
- search_list=( "${search_list[@]}" -x "$CONFDIR"/.defaults/apps/vshelper/"$3" )
- search_list=( "${search_list[@]}" -e "$CONFDIR"/.defaults/apps/vshelper/action )
+ test -z "$_vgh_appdir" || _vgh_search_list=( "${_vgh_search_list[@]}" -x "$_vgh_appdir/$3" )
+ test -z "$_vgh_appdir" || _vgh_search_list=( "${_vgh_search_list[@]}" -e "$_vgh_appdir/action" )
+ _vgh_search_list=( "${_vgh_search_list[@]}" -x "$CONFDIR"/.defaults/apps/vshelper/"$3" )
+ _vgh_search_list=( "${_vgh_search_list[@]}" -e "$CONFDIR"/.defaults/apps/vshelper/action )
- ! vshelper._getHandlerInternal "$1" "${search_list[@]}" || return 0
+ ! vshelper._getHandlerInternal "$1" "${_vgh_search_list[@]}" || return 0
eval $1=':restart'
}
{
vshelper.isEnabled || return 0
- local xid=$($_VSERVER_INFO "$1" CONTEXT false) || {
- warning $"vshelper.init: can not determine xid of vserver '$vserver'"
+ local xid=$($_VSERVER_INFO "$1" CONTEXT false) && test "$xid" || {
+ warning $"vshelper.init: can not determine xid of vserver '$vserver'; returned value was '$xid'"
return 1
}
local f="$VSHELPERSTATEDIR/$xid"
set -C
- rm -f "$f"
+ $_RM -f "$f"
echo "$1" >"$f"
set +C
{
vshelper.isEnabled || return 0
- rm -f "$VSHELPERSTATEDIR/$2"
+ $_RM -f "$VSHELPERSTATEDIR/$2"
}
## Usage: vshelper.initSync <vserver> <pipe-varname>
function vshelper.initSync
{
- local tmpdir=$(mktemp -d /tmp/vserver-stop.XXXXXX) || {
+ local _vis_tmpdir=$($_MKTEMPDIR /tmp/vserver-stop.XXXXXX) || {
warning $"Failed to generate temporary directory for vshelper sync"
return 1
}
- local fifo="$tmpdir"/pipe
- mkfifo -m700 "$fifo"
- vshelper.doInit "$VSERVER_DIR" sync "$fifo"
- eval $2=\$fifo
+ local _vis_fifo="$_vis_tmpdir"/pipe
+ $_MKFIFO -m700 "$_vis_fifo"
+ vshelper.doInit "$1" sync "$_vis_fifo"
+ eval $2=\$_vis_fifo
}
## Usage: vshelper.getSyncTimeout <vserver> <varname>
function vshelper.getSyncTimeout
{
- local appdir=$($_VSERVER_INFO "$1" APPDIR vshelper) || appdir=
- local file tmp
+ local _vgst_appdir=$($_VSERVER_INFO "$1" APPDIR vshelper) || _vgst_appdir=
+ local _vgst_file _vgst_tmp
- findFile file ${appdir:+"$appdir"/sync-timeout} "$CONFDIR"/.defaults/apps/vshelper/sync-timeout ''
- test "$file" || return 1
- read tmp <"$file"
- eval $2=\$tmp
+ findFile _vgst_file ${_vgst_appdir:+"$_vgst_appdir"/sync-timeout} "$CONFDIR"/.defaults/apps/vshelper/sync-timeout ''
+ test "$_vgst_file" || return 1
+ read _vgst_tmp <"$_vgst_file"
+ eval $2=\$_vgst_tmp
}