133 lines
4.7 KiB
Bash
133 lines
4.7 KiB
Bash
#! /bin/sh
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#
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# Sample script for early powerdown. Edit and copy to /etc/init.d/. See
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# /usr/share/doc/packages/nut/README.SUSE for more.
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#
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# Copyright (c) 2006 SUSE / Novell Inc.
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# All rights reserved.
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#
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# Author: Stanislav Brabec, 2006
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# Please send feedback to http://www.suse.de/feedback/
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#
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# /etc/init.d/upsd-early-powerdown
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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; either version 2 of the License, or
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# (at your option) any later version.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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#
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# System startup script for NUT UPS daemon
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#
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# LSB compatible service control script; see http://www.linuxbase.org/spec/
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#
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### BEGIN INIT INFO
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# Provides: upsd-early-powerdown
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# Required-Start:
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# Should-Start: FIXME scripts which should not stop before powerdown
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# Required-Stop:
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# Should-Stop: FIXME scripts which should stop before powerdown
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# Default-Start: 3 5
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# Default-Stop: 0 1 2 6
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# Short-Description: Early UPS powerdown
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# Description: Script for early, quick but incorrect power down
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# while going out of batteries. You need it only if you run slowly
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# stopping services and UPS battery power fails before stopping of
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# these services.
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### END INIT INFO
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#
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# Note on runlevels:
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# 0 - halt/poweroff 6 - reboot
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# 1 - single user 2 - multiuser without network exported
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# 3 - multiuser w/ network (text mode) 5 - multiuser w/ network and X11 (xdm)
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#
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# Check for existence of needed config files
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UPSMON_CONFIG=/etc/ups/upsmon.conf
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test -r $UPSMON_CONFIG || { echo "$UPSMON_CONFIG not existing";
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if [ "$1" = "stop" ]; then exit 0; else exit 6; fi;
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}
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# If this file exists, power is failing.
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POWERDOWNFLAG=$(sed -n 's/^POWERDOWNFLAG[[:space:]]*//p' </etc/ups/upsmon.conf)
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# Shell functions sourced from /etc/rc.status:
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# rc_check check and set local and overall rc status
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# rc_status check and set local and overall rc status
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# rc_status -v be verbose in local rc status and clear it afterwards
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# rc_status -v -r ditto and clear both the local and overall rc status
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# rc_status -s display "skipped" and exit with status 3
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# rc_status -u display "unused" and exit with status 3
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# rc_failed set local and overall rc status to failed
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# rc_failed <num> set local and overall rc status to <num>
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# rc_reset clear both the local and overall rc status
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# rc_exit exit appropriate to overall rc status
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# rc_active checks whether a service is activated by symlinks
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. /etc/rc.status
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# Reset status of this service
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rc_reset
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# Return values acc. to LSB for all commands but status:
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# 0 - success
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# 1 - generic or unspecified error
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# 2 - invalid or excess argument(s)
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# 3 - unimplemented feature (e.g. "reload")
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# 4 - user had insufficient privileges
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# 5 - program is not installed
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# 6 - program is not configured
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# 7 - program is not running
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# 8--199 - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
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#
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# Note that starting an already running service, stopping
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# or restarting a not-running service as well as the restart
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# with force-reload (in case signaling is not supported) are
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# considered a success.
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case "$1" in
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start|probe)
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## Start silently. No action.
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;;
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stop)
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# If power is failing and shutdown is running, shutdown as fast as possible.
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if test "$RUNLEVEL" = "0" -a -n "$POWERDOWNFLAG " -a -f "$POWERDOWNFLAG" ; then
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echo "Initiating early UPS power down..."
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echo "Power is failing. Running fast shutdown."
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echo "Sending all processes the TERM signal..."
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killall5 -15
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sleep 3
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echo "Sending all processes the KILL signal..."
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killall5 -9
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echo "Remounting filesystems read-only."
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mounts=/etc/fstab
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test -r /proc/mounts && mounts=/proc/mounts
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while read des fs rest; do
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mount -v -n -o remount,ro $fs
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done < $mounts
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/etc/init.d/upsd powerdown
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fi
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;;
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restart|try-restart|condrestart|force-reload|reload)
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# Unimplemented.
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rc_failed 3
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rc_status -v
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;;
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status)
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# Service status unknown.
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rc_failed 4
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rc_status -v
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;;
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*)
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echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
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exit 1
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;;
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esac
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rc_exit
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