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#! /bin/bash |
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# $Id$ |
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# Copyright (C) 2003,2004,2005 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de> |
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# |
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# This program is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; version 2 of the License. |
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# |
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# This program is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with this program; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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|
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# set -e |
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: ${UTIL_VSERVER_VARS:=/usr/lib/util-vserver/util-vserver-vars} |
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test -e "$UTIL_VSERVER_VARS" || { |
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echo $"Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2 |
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exit 1 |
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} |
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. "$UTIL_VSERVER_VARS" |
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. "$_LIB_FUNCTIONS" |
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|
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### Some local functions |
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|
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function showHelp() |
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{ |
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echo \ |
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$"Usage: $(basename $0) [-s|--sync] [-v|--verbose] [--silent] [--debug] |
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[--] <vserver> <command> <args>* |
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|
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<vserver> is the name of a vserver. |
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Possible commands are: |
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start [--rescue [--rescue-init] <rescue-cmd> <args>*]] |
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... starts the specified vserver |
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stop [--rescue-init] |
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... stops the specified vserver |
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restart ... restarts the specified vserver; this is the subsequent |
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execution of a synchronized 'stop' and a 'start' |
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condrestart ... restarts the vserver when it is running already |
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suexec <user> <command> <args*> |
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... executes a command as the specified user in the vserver |
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exec <command> <args*> |
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... executes a command as root in the vserver |
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enter ... executes the configured shell in the vserver |
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chkconfig <chkconfig-options*> |
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... modifies the init-system; currently, only Red Hat's |
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chkconfig is supported |
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running ... succeeds iff the vserver is running |
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status ... gives out some human readable status information about |
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the vserver, and succeeds iff the vserver is running |
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|
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build <buildopts>* |
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... builds a new vserver from scratch, see |
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vserver ... build --help for details |
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delete ... remove a vserver |
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unify [-R] <vunify-opts>* |
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... (de)unify the vserver with its reference vserver(s). |
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pkg install <pkg> |
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... installs package(s) in the vserver |
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apt-get,apt-config,apt-cache <apt-opts>* |
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... execute the apt-* command for the given vserver |
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rpm <rpm-opts>* |
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... execute the rpm command for the given vserver |
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pkgmgmt externalize|internalize [-y] |
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... externalize or internalize the package-management for the |
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given vserver. 'Externalize' means that package metadata |
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and management tools (apt-get,rpm) are living in the host, |
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while 'internalize' means that data and programs from the |
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vserver will be used. |
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|
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hashify |
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... hashify the guest. |
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Please report bugs to $PACKAGE_BUGREPORT" |
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exit 0 |
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} |
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function showVersion() |
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{ |
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echo \ |
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$"vserver $PACKAGE_VERSION -- manages the state of vservers |
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This program is part of $PACKAGE_STRING |
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Copyright (C) 2003,2004,2005 Enrico Scholz |
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This program is free software; you may redistribute it under the terms of |
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the GNU General Public License. This program has absolutely no warranty." |
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exit 0 |
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} |
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function suexec() |
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{ |
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. $__PKGLIBDIR/vserver.suexec |
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} |
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function restart() |
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{ |
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"${SELF[@]}" --sync "$vserver" stop |
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exec "${SELF[@]}" "$vserver" start |
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} |
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function msg() |
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{ |
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test -z "$OPTION_SILENT" || return 0 |
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echo "$@" |
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} |
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### main starts here |
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set +e |
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OPTIONS_ORIG=( "$@" ) |
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tmp=$(getopt -o +sv --long nonamespace,--nonamespace,--insecure,defaulttty,help,debug,strace,debug-sysv,version,sync,verbose,silent -n "$0" -- "$@") || exit 1 |
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eval set -- "$tmp" |
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OPTION_FORCE_SYNC= |
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OPTION_VERBOSE= |
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OPTION_SILENT= |
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OPTION_DEBUG= |
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OPTION_NONAMESPACE= |
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OPTION_INSECURE= |
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OPTION_DEFAULTTTY= |
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OPTION_STRACE= |
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OPTION_DEBUG_SYSV= |
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while true; do |
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case "$1" in |
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(--help) showHelp $0 ;; |
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(--version) showVersion ;; |
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(--debug) OPTION_DEBUG=$1; set -x;; |
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(-v|--verbose) OPTION_VERBOSE=$1;; |
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(-s|--sync) OPTION_FORCE_SYNC=$1;; |
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(--silent) OPTION_SILENT=$1;; |
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(----nonamespace)OPTION_NONAMESPACE=$1;; |
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(--defaulttty) OPTION_DEFAULTTTY=$1;; |
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(----insecure) OPTION_INSECURE=1;; |
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(--strace) OPTION_STRACE=1;; |
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(--debug-sysv*) OPTION_DEBUG_SYSV=$1;; |
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(--) shift; break;; |
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(*) echo $"vserver: internal error; arg=='$1'" >&2; exit 1;; |
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esac |
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shift |
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done |
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OPTION_ALL=( $OPTION_SILENT $OPTION_VERBOSE $OPTION_DEBUG $OPTION_DEFAULTTTY ) |
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SELF=( "$0" "${OPTION_ALL[@]}" ) |
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vserver=$1 |
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cmd=$2 |
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test "$cmd" != build || { shift 2; exec $_VNAMESPACE --new -- \ |
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"$_VSERVER_BUILD" $OPTION_DEBUG -n "$vserver" "$@"; } |
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allow_legacy= |
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case "$vserver" in |
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(./*) VSERVER_DIR=`pwd`/$vserver;; |
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(/*) VSERVER_DIR=$vserver;; |
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(*) VSERVER_DIR=$__CONFDIR/$vserver |
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allow_legacy=1 |
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;; |
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esac |
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if test -n "$allow_legacy"; then |
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do_legacy= |
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test ! -e "$VSERVER_DIR/legacy" || do_legacy=1 |
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test -d "$VSERVER_DIR" -o ! -e "$__CONFDIR/$vserver.conf" || do_legacy=1 |
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test -z "$do_legacy" || { |
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echo $"WARNING: can not find configuration, assuming legacy method" >&2 |
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exec "$_VSERVER_LEGACY" "$@" |
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} |
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fi |
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test -d "$VSERVER_DIR" || { |
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echo $"\ |
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Can not find a vserver-setup at '$VSERVER_DIR/'. |
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Possible solutions: |
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* fix the spelling of the '$vserver' vserver name |
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* read 'vserver $vserver build --help' about ways to create a new vserver |
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* see 'vserver --help' for the syntax of this command |
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" |
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exit 5 |
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} >&2 |
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_setVserverName |
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# Create a new namespace when starting the guest |
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test "$cmd" != start -o -n "$OPTION_NONAMESPACE" || isAvoidNamespace "$VSERVER_DIR" || \ |
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exec $_VNAMESPACE --new -- $_VSERVER ----nonamespace "${OPTIONS_ORIG[@]}" |
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# Enter the namespace early so we can test for files inside the guest |
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test "$cmd" != enter -a "$cmd" != stop || \ |
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test -n "$OPTION_NONAMESPACE" || isAvoidNamespace "$VSERVER_DIR" || \ |
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! isVserverRunning "$VSERVER_DIR" || \ |
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exec $_VNAMESPACE --enter "$VSERVER_DIR" -- $_VSERVER ----nonamespace "${OPTIONS_ORIG[@]}" |
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set_init_cwd |
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cd / |
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. $__PKGLIBDIR/vserver.functions |
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case "$2" in |
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(start|stop|delete) |
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shift 2 |
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. $__PKGLIBDIR/vserver.$cmd |
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;; |
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(suexec|restart) |
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shift 2 |
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$cmd "$@" |
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;; |
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(condrestart) |
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! isVserverRunning "$VSERVER_DIR" || restart |
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;; |
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(exec) |
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shift 2 |
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suexec 0 "$@" |
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;; |
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(chkconfig) |
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shift 2 |
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suexec 0 chkconfig "$@" |
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;; |
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(enter) |
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useVlogin && \ |
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OPTS_VCONTEXT_ENTER=( "${OPTS_VCONTEXT_ENTER[@]}" --vlogin ) |
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getEnterShell "$VSERVER_DIR" |
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suexec 0 "${ENTER_SHELL[@]}" |
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;; |
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(running) |
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isVserverRunning "$VSERVER_DIR" |
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;; |
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(unify) |
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shift 2 |
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exec $_VUNIFY "$@" "$vserver" |
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;; |
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(hashify) |
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shift 2 |
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exec $_VHASHIFY "$@" "$vserver" |
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;; |
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(pkg) |
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shift 2 |
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exec $_VPKG "$vserver" "$@" |
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;; |
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(pkgmgmt) |
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op=$3 |
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shift 3 |
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exec $_VNAMESPACE --new -- $_PKGMGMT ${op:+--$op} "$@" -- "$vserver" |
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;; |
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(apt-get|apt-config|apt-cache) |
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export APT_GET=$2 |
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shift 2 |
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exec $_VAPT_GET "$VSERVER_DIR" -- "$@" |
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;; |
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(rpm) |
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shift 2 |
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exec $_VRPM "$VSERVER_DIR" -- "$@" |
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;; |
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(status) |
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if getVserverStatus "$VSERVER_DIR" ctx procnum; then |
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msg $"Vserver '$vserver' is running at context '$ctx'" |
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if test "$2" = status; then |
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msg $"Number of processes: " $procnum |
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msg $"Uptime: " $("$_FILETIME" "$VSERVER_DIR/run") |
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fi |
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exit 0 |
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else |
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msg $"Vserver '$vserver' is stopped" |
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exit 3 |
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fi |
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;; |
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(*) |
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echo $"Usage: $0 <vserver> {start|stop|suexec|restart|condrestart|exec|enter|chkconfig|running|status|delete}" >&2 |
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exit 2 |
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;; |
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esac |
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