File gearmand.init of Package gearmand

#!/bin/sh
#
#     Template SUSE system startup script for example service/daemon gearmand
#     Copyright (C) 1995--2005  Kurt Garloff, SUSE / Novell Inc.
#
#     This library is free software; you can redistribute it and/or modify it
#     under the terms of the GNU Lesser General Public License as published by
#     the Free Software Foundation; either version 2.1 of the License, or (at
#     your option) any later version.
#
#     This library 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
#     Lesser General Public License for more details.
#
#     You should have received a copy of the GNU Lesser General Public
#     License along with this library; if not, write to the Free Software
#     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA     
#
# /etc/init.d/gearmand
#   and its symbolic link
# /usr/sbin/rcgearmand
#
# LSB compatible service control script; see http://www.linuxbase.org/spec/
#
# Note: This template uses functions rc_XXX defined in /etc/rc.status on
# UnitedLinux/SUSE/Novell based Linux distributions. If you want to base your
# script on this template and ensure that it works on non UL based LSB
# compliant Linux distributions, you either have to provide the rc.status
# functions from UL or change the script to work without them.
# See skeleton.compat for a template that works with other distros as well.
#
### BEGIN INIT INFO
# Provides:          gearmand
# Required-Start:    $syslog $remote_fs
# Should-Start:      $time ypbind smtp
# Required-Stop:     $syslog $remote_fs
# Should-Stop:       ypbind smtp
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: gearman deamon
# Description:       Start gearmand to farm out work to other machines or processes.
### END INIT INFO


GEARMAND_BIN='/usr/sbin/gearmand'
test -x $GEARMAND_BIN || { echo "$GEARMAND_BIN not installed";
    if [ "$1" = "stop" ]; then exit 0;
    else exit 5; fi; }

GEARMAND_CONFIG='/etc/sysconfig/gearmand'
test -r $GEARMAND_CONFIG || { echo "$GEARMAND_CONFIG not existing";
    if [ "$1" = "stop" ]; then exit 0;
    else exit 6; fi; }

# Read config
. $GEARMAND_CONFIG

PIDFILE='/var/run/gearmand/gearmand.pid'

# Shell functions sourced from /etc/rc.status:
#      rc_check         check and set local and overall rc status
#      rc_status        check and set local and overall rc status
#      rc_status -v     be verbose in local rc status and clear it afterwards
#      rc_status -v -r  ditto and clear both the local and overall rc status
#      rc_status -s     display "skipped" and exit with status 3
#      rc_status -u     display "unused" and exit with status 3
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num>
#      rc_reset         clear both the local and overall rc status
#      rc_exit          exit appropriate to overall rc status
#      rc_active        checks whether a service is activated by symlinks
. /etc/rc.status

# Reset status of this service
rc_reset

# Return values acc. to LSB for all commands but status:
# 0   - success
# 1       - generic or unspecified error
# 2       - invalid or excess argument(s)
# 3       - unimplemented feature (e.g. "reload")
# 4       - user had insufficient privileges
# 5       - program is not installed
# 6       - program is not configured
# 7       - program is not running
# 8--199  - reserved (8--99 LSB, 100--149 distrib, 150--199 appl)
#
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signaling is not supported) are
# considered a success.

case "$1" in
    start)
    echo -n "Starting gearmand "
    test -d "$(dirname "$GEARMAND_LOGFILE")" || mkdir -p "$(dirname "$GEARMAND_LOGFILE")"
	test -d "$(dirname "$PIDFILE")" || mkdir -p "$(dirname "$PIDFILE")"
	chown $GEARMAND_USER:$GEARMAND_GROUP "$(dirname "$GEARMAND_LOGFILE")" "$(dirname "$PIDFILE")"
	$GEARMAND_BIN   --daemon \
					--user="$GEARMAND_USER" \
					--log-file="$GEARMAND_LOGFILE" \
					--pid-file="$PIDFILE" \
					--listen=$GEARMAND_IPADDR \
					$GEARMAND_OPTS \
					--port=$GEARMAND_PORT

    # Remember status and be verbose
    rc_status -v
    ;;
    stop)
    echo -n "Shutting down gearmand "
    ## Stop daemon with killproc(8) and if this fails
    ## killproc sets the return value according to LSB.

    /sbin/killproc -TERM $GEARMAND_BIN

    # Remember status and be verbose
    rc_status -v
    ;;
    try-restart|condrestart)
    ## Do a restart only if the service was active before.
    ## Note: try-restart is now part of LSB (as of 1.9).
    ## RH has a similar command named condrestart.
    if test "$1" = "condrestart"; then
        echo "${attn} Use try-restart ${done}(LSB)${attn} rather than condrestart ${warn}(RH)${norm}"
    fi
    $0 status
    if test $? = 0; then
        $0 restart
    else
        rc_reset    # Not running is not a failure.
    fi
    # Remember status and be quiet
    rc_status
    ;;
    restart)
    ## Stop the service and regardless of whether it was
    ## running or not, start it again.
    $0 stop
    $0 start

    # Remember status and be quiet
    rc_status
    ;;
    force-reload)
    ## Signal the daemon to reload its config. Most daemons
    ## do this on signal 1 (SIGHUP).
    ## If it does not support it, restart the service if it
    ## is running.

    echo -n "Reload service gearmand "
    ## if it supports it:
    /sbin/killproc -HUP $GEARMAND_BIN
    #touch /var/run/FOO.pid
    rc_status -v

    ## Otherwise:
    #$0 try-restart
    #rc_status
    ;;
    reload)
    ## Like force-reload, but if daemon does not support
    ## signaling, do nothing (!)

    # If it supports signaling:
    echo -n "Reload service gearmand "
    /sbin/killproc -HUP $GEARMAND_BIN
    #touch /var/run/FOO.pid
    rc_status -v

    ## Otherwise if it does not support reload:
    #rc_failed 3
    #rc_status -v
    ;;
    status)
    echo -n "Checking for service gearmand "
    # NOTE: checkproc returns LSB compliant status values.
    /sbin/checkproc $GEARMAND_BIN
    # NOTE: rc_status knows that we called this init script with
    # "status" option and adapts its messages accordingly.
    rc_status -v
    ;;
    probe)
    ## Optional: Probe for the necessity of a reload, print out the
    ## argument to this init script which is required for a reload.
    ## Note: probe is not (yet) part of LSB (as of 1.9)

    test /etc/gearmand/gearmand.conf -nt $PIDFILE && echo reload
    ;;
    *)
    echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload|probe}"
    exit 1
    ;;
esac
rc_exit
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