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#!/bin/bash
### BEGIN INIT INFO
# Provides: util-vserver-netns
# Required-Start: $remote_fs $syslog $time util-vserver
# Required-Stop: $remote_fs $syslog $time util-vserver
# X-Start-Before: vservers-default
# X-Stop-After: vservers-default
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Sets the path to vshelper for netns handling
# Description: Sets the path to vshelper for netns handling
### END INIT INFO
: ${UTIL_VSERVER_VARS:=/usr/share/util-vserver/netns/util-vserver-vars}
test -e "$UTIL_VSERVER_VARS" || {
echo $"Can not find util-vserver installation (the file '$UTIL_VSERVER_VARS' would be expected); aborting..." >&2
exit 1
}
. "$UTIL_VSERVER_VARS"
LOCKFILE=util-vserver-netns
. "$_LIB_VSERVER_INIT_FUNCTIONS"
. "$_LIB_FUNCTIONS"
. "$_LIB_VSERVER_FUNCTIONS"
function start()
{
_beginResult $"Setting path to vshelper"
local retval
if test -r /proc/sys/kernel/vshelper; then
grep -qv "$_VSHELPER" /proc/sys/kernel/vshelper && \
cat /proc/sys/kernel/vshelper > "$lockfile.save"
set_helper
retval=$?
else
retval=1
fi
_endResult $retval
test "$retval" -ne 0 || touch "$lockfile"
return $retval
}
function stop()
{
if test -r "$lockfile.save"; then
_beginResult $"Setting old path to vshelper"
_VSHELPER="$(cat "$lockfile.save")"
set_helper
_endResult $?
$_RM -f "$lockfile.save"
fi
$_RM -f "$lockfile"
}
function restart()
{
stop
start
}
case "$1" in
start|stop|restart) $1;;
reload) ;;
condrestart)
test -f $lockfile && restart || :
;;
status)
test -f $lockfile && {
echo $"Path to vshelper.netns has been set"
exit 0
}
echo $"Path to vshelper.netns has not been set"
exit 1
;;
*)
echo "Usage: $0 {start|stop|reload|restart|condrestart|status}"
exit 2
;;
esac
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