X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=scripts%2Fvserver.start;fp=scripts%2Fvserver.start;h=731128828c23c6028dfdd71574bd66e35532c81f;hb=8cf13bb177d92c93eb73dc8939777150536c2d00;hp=0000000000000000000000000000000000000000;hpb=6bf3f95de36c804c97716b2d0bdf10680c559044;p=util-vserver.git diff --git a/scripts/vserver.start b/scripts/vserver.start new file mode 100644 index 0000000..7311288 --- /dev/null +++ b/scripts/vserver.start @@ -0,0 +1,160 @@ +# $Id: vserver.start,v 1.45 2005/07/15 19:01:06 ensc Exp $ --*- sh -*-- + +# Copyright (C) 2003 Enrico Scholz +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; version 2 of the License. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + +lock "$__LOCKDIR"/vserver."$($_VSERVER_INFO "$VSERVER_DIR" CANONIFY)".startup + +if isVserverRunning "$VSERVER_DIR"; then + warning $"vserver '$VSERVER_NAME' already running" + exit 0 +fi + +function cleanup() +{ + set +e + + test -z "$startsync_pipe" || $_RM -f "$startsync_pipe" + test -z "$is_started" || { unlock; return 0; } + + if test -n "$is_configured" -a -z "$is_executed"; then + warning $" +An error occured while executing the vserver startup sequence; when +there are no other messages, it is very likely that the init-script +(${INITCMD_START[@]}) failed. + +Common causes are: +* /etc/rc.d/rc on Fedora Core 1 and RH9 fails always; the 'apt-rpm' build + method knows how to deal with this, but on existing installations, + appending 'true' to this file will help." + fi + + if test -n "$is_executed"; then + warning $" +An error occured after executing the vserver startup sequence. This +means that some processes may exist in the created context and the +manual execution of + + $_VSERVER '$VSERVER_DIR' stop + +is recommended to fix this." + else + warning $" + +Failed to start vserver '$VSERVER_NAME'" + fi + + test -n "$OPTION_DEBUG" || exec 2>/dev/null >/dev/null + test -z "$is_mounted" || umountVserver "$VSERVER_DIR" || : + test -z "$have_interfaces" || disableInterfaces "$VSERVER_DIR" || : + + unlock || : +} + +is_configured= +is_executed= +is_started= +is_mounted= +is_vshelper_init= +have_interfaces= +startsync_pipe= + +while test "$#" -gt 0; do + case "$1" in + (--rescue) INITSTYLE=rescue;; + (--rescue-cmd) INITCMD_RESCUE=( $2 ); shift;; + (*) panic $"vserver ... start: unknown option '$1'";; + esac + shift +done + +set -e +trap "cleanup" EXIT + +sanityCheck "$VSERVER_DIR" + +mountRootFS "$VSERVER_DIR" +generateOptions "$VSERVER_DIR" + +pushd "$VSERVER_DIR" >/dev/null +execScriptlets "$VSERVER_DIR" "$VSERVER_NAME" prepre-start +popd >/dev/null + +enableInterfaces "$VSERVER_DIR" && have_interfaces=1 + +mountVserver "$VSERVER_DIR" && is_mounted=1 +prepareInit "$VSERVER_DIR" + +pushd "$VSERVER_DIR"/vdir/ >/dev/null +execScriptlets "$VSERVER_DIR" "$VSERVER_NAME" pre-start +popd >/dev/null + +test -z "$OPTION_DEFAULTTTY" || setDefaultTTY "$VSERVER_DIR" + +pushd "$VSERVER_DIR"/vdir/ >/dev/null +is_configured=1 +if $_VSERVER_INFO - FEATURE migrate; then + ${NICE_CMD[@]} \ + $_CHBIND "${CHBIND_OPTS[@]}" -- \ + $_EXEC_ULIMIT "$VSERVER_DIR"/ulimits \ + $_VCONTEXT --create "${OPTS_VCONTEXT_CREATE[@]}" -- \ + ${USE_VNAMESPACE:+$_VNAMESPACE --set -- } \ + $_VLIMIT --dir "$VSERVER_DIR"/rlimits --missingok -- \ + $_VSCHED --xid self "${OPTS_VSCHED[@]}" -- \ + $_VUNAME --xid self --dir "$VSERVER_DIR"/uts --missingok -- \ + "${VSERVER_EXTRA_CMDS[@]}" \ + $_VUNAME --xid self --set -t context="$VSERVER_DIR" -- \ + $_VATTRIBUTE --set "${OPTS_VATTRIBUTE[@]}" -- \ + $_SAVE_CTXINFO "$VSERVER_DIR" \ + $_ENV -i -- \ + $_VCONTEXT --migrate-self --endsetup --chroot $SILENT_OPT \ + "${OPTS_VCONTEXT_MIGRATE[@]}" "${OPTS_VCONTEXT_ENTER[@]}" -- \ + "${INITCMD_START[@]}" +else + if test -n "$_IS_FAKEINIT"; then + startsync_pipe=$($_MKTEMP /tmp/vserver-start.XXXXXX) + $_RM -f "$startsync_pipe" + $_MKFIFO -m600 "$startsync_pipe" ## safe, since mkfifo does not follow symlinks + fi + + ${NICE_CMD[@]} \ + $_CHBIND "${CHBIND_OPTS[@]}" \ + $_EXEC_ULIMIT "$VSERVER_DIR/ulimits" \ + $_CHCONTEXT_COMPAT "${CHCONTEXT_OPTS[@]}" "${CHCONTEXT_INIT_OPTS[@]}" \ + $_SAVE_CTXINFO "$VSERVER_DIR" \ + $_ENV -i -- \ + $_CHAINECHO "${_IS_FAKEINIT:+$startsync_pipe}" "" \ + $_CAPCHROOT "${CAPCHROOT_OPTS[@]}" . \ + "${INITCMD_START[@]}" + + ## the additional synchronization step is needed since vshelper.doInit + ## below might be executed before needed context information were + ## saved by $_SAVE_CTXINFO + ${_IS_FAKEINIT:+cat "$startsync_pipe"} >/dev/null +fi +is_executed=1 + +"${INITCMD_START_SYNC[@]}" +popd >/dev/null + +pushd "$VSERVER_DIR"/vdir/ >/dev/null +execScriptlets "$VSERVER_DIR" "$VSERVER_NAME" post-start +popd >/dev/null + +is_vshelper_init=1 +! vshelper.isEnabled "" "$VSERVER_DIR" || vshelper.doInit "$VSERVER_DIR" + +is_started=1