File otrs-scheduler.init of Package otrs

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File otrs-scheduler.init of Package otrs

#!/bin/sh
#
# Copyright (c) 2012 Scorpio IT, Deidesheim, Germany
# All rights reserved
#
# Author: Christian Wittmer <rpm@scorpio-it.net>
#
# /etc/init.d/otrs-scheduler
#   and its symbolic link
# /(usr/)sbin/rcotrs-scheduler
#
### BEGIN INIT INFO
# Provides:          otrs-scheduler
# Required-Start:    smtp
# Should-Start:      mysql postgresql
# Required-Stop:     smtp
# Should-Stop:       mysql postgresql
# Default-Start:     3 5
# Default-Stop:      0 1 2 6
# Short-Description: start OTRS Scheduler
# Description:       start Scheduler for OTRS
#       (Open Ticket Request System)
### END INIT INFO

# Check for existence of needed config file and read it
OTRS_SYSCONFIG=/etc/sysconfig/otrs
test -r $OTRS_SYSCONFIG || { echo "$OTRS_SYSCONFIG not existing";
	if [ "$1" = "stop" ]; then exit 0;
	else exit 6; fi; }

# Read config
. $OTRS_SYSCONFIG

if [ -z $OTRS_ROOT ]; then
	echo "OTRS_ROOT not set";
	echo "check config: $OTRS_SYSCONFIG";
	exit 6;
fi

if [ -z $OTRS_SCHEDULER ]; then
	echo "OTRS_SCHEDULER not set";
	echo "check config: $OTRS_SYSCONFIG";
	exit 6;
fi

if [ ! -x $OTRS_SCHEDULER ]; then
	echo "OTRS_SCHEDULER not executable";
	echo "set executable bits for $OTRS_SYSCONFIG";
	exit 6;
fi

OTRS_SVC="OTRS Scheduler"
OTRS_USR=${OTRS_USER:="otrs"}
OTRS_GRP=${OTRS_GROUP:="otrs"}

# 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 $OTRS_SVC "
	## Start daemon with startproc(8). If this fails
	## the return value is set appropriately by startproc.
	/sbin/startproc -u $OTRS_USR $OTRS_SCHEDULER -a $1

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

# 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 $OTRS_SVC "
	## if it supports it:
	#/sbin/killproc -HUP $OTRS_SCHEDULER
	#touch /var/run/FOO.pid
	# Remember status and be verbose
	#rc_status -v

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

# If it supports signaling:
	echo -n "Reload service $OTRS_SVC "
	#/sbin/killproc -HUP $OTRS_SCHEDULER
	#touch /var/run/FOO.pid
	
	## Otherwise if it does not support reload:
	rc_failed 3

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

# Return value is slightly different for the status command:
	# 0 - service up and running
	# 1 - service dead, but /var/run/  pid  file exists
	# 2 - service dead, but /var/lock/ lock file exists
	# 3 - service not running (unused)
	# 4 - service status unknown :-(
	# 5--199 reserved (5--99 LSB, 100--149 distro, 150--199 appl.)
	
	# NOTE: checkproc returns LSB compliant status values.
	/sbin/checkproc $OTRS_SCHEDULER
	# NOTE: rc_status knows that we called this init script with
	# "status" option and adapts its messages accordingly.

# Remember status and be verbose
	rc_status -v
	;;
    *)
	echo "Usage: $0 {start|stop|status|try-restart|restart|force-reload|reload}"
	exit 1
	;;
esac
rc_exit

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File otrs-scheduler.init of Package otrs

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