ossp-pkg/due/.due/due.rescue.sh
1.1
##
## OSSP due - Dynamic User Environment
## Copyright (c) 1994-2004 Ralf S. Engelschall <rse@engelschall.com>
## Copyright (c) 1994-2004 The OSSP Project <http://www.ossp.org/>
##
## This file is part of OSSP due, a dynamic user environment
## which can found at http://www.ossp.org/pkg/tool/due/
##
## Permission to use, copy, modify, and distribute this software for
## any purpose with or without fee is hereby granted, provided that
## the above copyright notice and this permission notice appear in all
## copies.
##
## THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
## WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
## MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
## IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
## CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
## SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
## LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
## USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
## ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
## OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
## OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##
## due.rescue.sh: DUE module for rescue command
##
# system rescue facility
function rescue () {
local cmd="$1"
shift
case "$cmd" in
on )
rescue_time="${1:-10}"
echo "++ scheduling rescue through system reboot in ${rescue_time} minutes"
case $OSTYPE in
FreeBSD* )
echo "/sbin/shutdown -r now" | at -q r +${rescue_time} minutes >/dev/null
;;
Linux* )
echo "/sbin/shutdown -r now" | at -q r +${rescue_time} minutes >/dev/null
;;
SunOS* )
echo "/usr/sbin/shutdown -i6 -g0 -y" | at -q r now "+ ${rescue_time}minutes" >/dev/null
;;
esac
;;
off )
echo "++ cancelling rescue through system reboot"
case $OSTYPE in
FreeBSD* )
for id in `at -q r -l | grep -v "^Date" | awk '{ print $5; }'`; do
at -q r -d $id >/dev/null
done
;;
Linux* )
for id in `at -q r -l | awk '{ print $1; }'`; do
at -q r -d $id >/dev/null
done
;;
SunOS* )
for id in `at -q r -l | awk '{ print $1; }'`; do
at -r $id >/dev/null
done
;;
esac
unset rescue_time
;;
renew|new )
echo "++ rescheduling rescue through system reboot in ${rescue_time} minutes"
x=${rescue_time}
rescue off >/dev/null || true
rescue on ${x} >/dev/null
;;
* )
echo "Usage: rescue on [<minutes>]" 2>&1
echo "Usage: rescue [re]new" 2>&1
echo "Usage: rescue off" 2>&1
;;
esac
}
