X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=util-vserver%2Fscripts%2Ffunctions;h=a2ad7f3d21804ba357fed2cdf272fd844e187191;hb=54adb8bb5608e15ab944db970a1b287be28d7487;hp=556da5f7f118c730a8aace647dba55c0a4e8d2b7;hpb=00fcffc7c5604ec684346eebb5cbc601dd96247d;p=util-vserver.git diff --git a/util-vserver/scripts/functions b/util-vserver/scripts/functions index 556da5f..a2ad7f3 100644 --- a/util-vserver/scripts/functions +++ b/util-vserver/scripts/functions @@ -50,6 +50,19 @@ function findDir findObject -d "$@" } +function findAndCopy +{ + local dst=$1 + test ! -s "$dst" || return 0 + + local tmp + shift + findFile tmp "$@" + + test "$tmp" -a -s "$tmp" || return 0 + cp -af "$tmp" "$dst" +} + function getPhysicalDir { ( set -P && cd "$1" && pwd ) @@ -65,7 +78,7 @@ function _pkgMountBindDir() function _pkgSetVarsBase { case "$vserver" in - /*) + ./*|/*) if test -d "$vserver/vdir"; then BASEDIR=$vserver VDIR=$(getPhysicalDir "$vserver/vdir") @@ -74,7 +87,7 @@ function _pkgSetVarsBase test -d "$PKGDIR" || { echo "Can not find configuration-directory for package-managment tools" exit 1 - } + } >&2 findDir EXECDIR $PKGDIR/execdir / else VDIR=$(getPhysicalDir "$vserver") @@ -86,17 +99,17 @@ function _pkgSetVarsBase test -d "$BASEDIR" || { echo "Can not find configuration-directory" exit 1 - } + } >&2 VDIR=$BASEDIR/vdir - test -d "$VDIR" || VDIR=/vservers/$vserver + test -d "$VDIR" || VDIR=$DEFAULT_VSERVERDIR/$vserver VDIR=$(getPhysicalDir "$VDIR") PKGDIR=$BASEDIR/apps/pkgmgmt test -d "$PKGDIR" || { echo "Can not find configuration-directory for package-managment tools" exit 1 - } + } >&2 findDir EXECDIR $PKGDIR/execdir / @@ -141,6 +154,9 @@ function _pkgSetVarsApt findDir APTCACHEDIR "$VDIR"/var/cache/apt findDir APTARCHIVDIR "$VDIR"/var/cache/apt/archives /var/cache/apt/archives fi + + findFile APT_CONFIG "$APTETCDIR"/apt.conf "" + test -z "$APT_CONFIG" || export APT_CONFIG } function _pkgMountBase @@ -160,6 +176,9 @@ function _pkgMountRPM "$_SECURE_MOUNT" --chroot "$VDIR" -n --secure --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint" test -z "$WORKAROUND_106057" || mount -n --bind "$RPMSTATEDIR" "$_rpmdb_mntpoint" + + test -e "$VDIR"/proc/self/status || \ + "$_SECURE_MOUNT" --chroot "$VDIR" -n --secure -t proc none /proc } function _pkgSetEnvBase @@ -197,7 +216,7 @@ function pkgInit case "$i" in rpm) _pkgSetVarsRPM;; apt) _pkgSetVarsApt;; - *) echo "Unknown packaging flavor"; exit 1;; + *) echo "Unknown packaging flavor" >&2; exit 1;; esac done @@ -221,39 +240,63 @@ function pkgInit _PKG_VSERVER=$vserver } +function isAvoidNamespace +{ + local cfgdir + + $_VSERVER_INFO - FEATURE namespace || return 0 + cfgdir=$($_VSERVER_INFO "$1" CFGDIR) || return 0 + test ! -e "$cfgdir"/namespace || return 1 + test -e "$CONFDIR"/.defaults/nonamespace -o \ + -e "$cfgdir"/nonamespace +} + function getAllVservers { local i - declare -a tmp=() + declare -a _tmp=() for i in $CONFDIR/*; do test -d "$i" || continue test ! -e "$i"/disabled || continue test -d "$i"/vdir || continue + case "$i" in + *.~*~) continue;; + esac - tmp=( "${tmp[@]}" "${i##$CONFDIR/}") + _tmp=( "${_tmp[@]}" "${i##$CONFDIR/}") done - eval $1=\$tmp + eval $1='( "${_tmp[@]}" )' } ## Usage: getVserverCtx [ []] function getVserverStatus { test -r "$1"/run || return 1 - eval read "$2" <"$1"/run + + local _ctx + read _ctx <"$1"/run + eval "$2"=\$_ctx test "$3" || return 0 - local _tmp=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$ctx" | $_WC -l ) + local _tmp=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$_ctx" | $_WC -l ) eval "$3"=\$_tmp - test "$4" -a $_tmp = 0 || return 0 - _tmp=$(readlink "$1/run") - test "$_tmp" || return 1 - rm -f "$_tmp" + test "$4" -o $_tmp != 0 || return 1 + _tmp=$($_READLINK "$1/run") + test "$_tmp" || return 1 + test -z "$4" || rm -f "$_tmp" return 0 } +## Usage: isCtxRunning +function isCtxRunning +{ + local _tmp=$($_VPS ax | $_AWK '{print $2}' | $_GREP -x "$1" | $_WC -l ) + test $_tmp -gt 0 +} + ## Usage: isVserverRunning [] function isVserverRunning { @@ -280,3 +323,55 @@ function getFileArray local IFS=$_VS_NEWLINE eval "$1"='( $(< "$2") )' } + +function checkComponents +{ + local i + local msg=$1 + local x_failed= + + shift + + for i; do + local failed= + case "$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 '$i'" >&2 + return false + ;; + esac + + test -z "$failed" || { + echo "$msg: $i" + x_failed=1 + } >&2 + done + + test -z "$x_failed" +} + +## Usage: isKernelAPI [] +function isKernelAPI +{ + local api=$($_VSERVER_INFO - APIVER) || api=0 + test $[ $api ] -${2:-ge} $[ $1 ] +} + +## Usage: callInNamespace * +function callInNamespace +{ + local ctx= + + isAvoidNamespace "$1" || \ + ctx=$( $_VSERVER_INFO "$1" CONTEXT t ) || ctx= + + shift + if test "$ctx"; then + $_VNAMESPACE --enter "$ctx" -- "$@" + else + "$@" + fi +}