File mailgraph.init of Package mailgraph

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File mailgraph.init of Package mailgraph

#!/bin/sh
# Copyright (c) 2007 Scorpio IT, Deidesheim, Germany
#
# Author: Christian Wittmer
# please send feedback to <rpm@scorpio-it.net>
#
# /etc/init.d/mailgraph
#
### BEGIN INIT INFO
# Provides:       mailgraph
# Required-Start: $network $named $syslog $remote_fs $time postfix
# Should-Start:
# Required-Stop:  $network $named $syslog $remote_fs $time postfix
# Should-Stop:
# Default-Start:  3 5
# Default-Stop:   0 1 2 6
# Short-Description: start Mail Statistics Grapher (mailgraph)
# Description:    start the Mail Statistics Grapher
#	a very simple mail statistics RRDtool frontend for Postfix
### END INIT INFO

# check for sysconfig file
[ -f /etc/sysconfig/mailgraph ] && . /etc/sysconfig/mailgraph ;

PATH=/bin:/usr/bin
MG_BIN="/usr/bin/mailgraph.pl"
MG_OPTS=${MAILGRAPH_OPTS:="-d -v"}
PID=${MAILGRAPH_PID:="/var/run/mailgraph.pid"}
RRD=${MAILGRAPH_RRD:="/var/lib/mailgraph"}
LOG=${MAILGRAPH_LOG:="/var/log/mailgraph/mailgraph.log"}
LOG_FILE=${MAILGRAPH_LOG_FILE:="/var/log/mail"}
LOG_TYPE=${MAILGRAPH_LOG_TYPE:="syslog"}

# 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     ditto but be verbose in local rc status
#      rc_status -v -r  ditto and clear the local rc status
#      rc_failed        set local and overall rc status to failed
#      rc_failed <num>  set local and overall rc status to <num><num>
#      rc_reset         clear local rc status (overall remains)
#      rc_exit          exit appropriate to overall rc status
. /etc/rc.status

# First 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 - insufficient privilege
# 5 - program is not installed
# 6 - program is not configured
# 7 - program is not running
# 
# Note that starting an already running service, stopping
# or restarting a not-running service as well as the restart
# with force-reload (in case signalling is not supported) are
# considered a success.

case "$1" in
    start)
	echo -n "Starting mail statistics grapher (mailgraph): "
	## Start daemon with startproc(8). If this fails
	## the echo return value is set appropriate.
	nice -19 ${MG_BIN} ${MG_OPTS} \
		--logfile ${LOG_FILE} \
		--logtype ${LOG_TYPE} \
		--daemon-pid=${PID} \
		--daemon-rrd=${RRD} \
		--daemon-log=${LOG}

# Remember status and be verbose
	rc_status -v
  ;;
    stop)
	echo -n "Stopping mail statistics grapher (mailgraph): "
	## Stop daemon with killproc(8) and if this fails
	## set echo the echo return value.
	/sbin/killproc -p ${PID} ${MG_BIN}

# Remember status and be verbose
	rc_status -v
  ;;
    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
  ;;
    reload)  
	echo -n "Reload mail statistics grapher (mailgraph): "  
	/sbin/killproc -p ${PID} -HUP ${MG_BIN}

# Remember status and be verbose
	rc_status -v  
  ;; 
    status)
	echo -n "Checking for statistics grapher (mailgraph): "
	## Check status with checkproc(8), if process is running
	## checkproc will return with exit status 0.

# Status has a slightly different for the status command:
	# 0 - service running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running

# NOTE: checkproc returns LSB compliant status values.
	/sbin/checkproc -p ${PID} ${MG_BIN}

# Remember status and be verbose
	rc_status -v
  ;;
    info)
	echo "Info about VAR's of statistics grapher (mailgraph): "
	echo "Binary:     $MG_BIN"
	echo "Options:    $MG_OPTS"
	echo "PID file:   $PID"
	echo "RRD DIR:    $RRD"
	echo "LOG:        $LOG"
	echo "LOG file:   $LOG_FILE"
	echo "LOG type:   $LOG_TYPE"
  ;;
    *)
	echo "Usage: $0 { start|stop|restart|reload|status|info}"
	exit 1
  ;;
esac

# finally clean exit
rc_exit

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File mailgraph.init of Package mailgraph

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