ambari-server/src/main/resources/stacks/HDP/2.0.6/services/NAGIOS/package/templates/nagios.j2

{#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#}

#!/bin/sh
# $Id$
# Nagios	Startup script for the Nagios monitoring daemon
#
# chkconfig:	- 85 15
# description:	Nagios is a service monitoring system
# processname: nagios
# config: /etc/nagios/nagios.cfg
# pidfile: /var/nagios/nagios.pid
#
### BEGIN INIT INFO
# Provides:		nagios
# Required-Start:	$local_fs $syslog $network
# Required-Stop:	$local_fs $syslog $network
# Short-Description:    start and stop Nagios monitoring server
# Description:		Nagios is is a service monitoring system 
### END INIT INFO

#
#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
#
#

# Source function library.
. /etc/rc.d/init.d/functions

prefix="/usr"
exec_prefix="/usr"
exec="/usr/sbin/nagios"
prog="nagios"
config="/etc/nagios/nagios.cfg"
pidfile="{{nagios_pid_file}}"
user="{{nagios_user}}"

[ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog

lockfile=/var/lock/subsys/$prog

start() {
    [ -x $exec ] || exit 5
    [ -f $config ] || exit 6
    echo -n $"Starting $prog: "
    daemon --user=$user $exec -d $config
    retval=$?
    echo
    [ $retval -eq 0 ] && touch $lockfile
    return $retval
}

stop() {
    echo -n $"Stopping $prog: "
    killproc -d 10 $exec
    retval=$?
    echo
    [ $retval -eq 0 ] && rm -f $lockfile
    return $retval
}


restart() {
    stop
    start
}

reload() {
    echo -n $"Reloading $prog: "
    killproc $exec -HUP
    RETVAL=$?
    echo
}

force_reload() {
    restart
}

check_config() {
        $nice runuser -s /bin/bash - $user -c "$corelimit >/dev/null 2>&1 ; $exec -v $config > /dev/null 2>&1"
        RETVAL=$?
        if [ $RETVAL -ne 0 ] ; then
                echo -n $"Configuration validation failed"
                failure
                echo
                exit 1

        fi
}


case "$1" in
    start)
        status $prog && exit 0
	check_config
        $1
        ;;
    stop)
        status $prog|| exit 0
        $1
        ;;
    restart)
	check_config
        $1
        ;;
    reload)
        status $prog || exit 7
	check_config
        $1
        ;;
    force-reload)
	check_config
        force_reload
        ;;
    status)
        status $prog
        ;;
    condrestart|try-restart)
        status $prog|| exit 0
	check_config
        restart
        ;;
    configtest)
        echo -n  $"Checking config for $prog: "
        check_config && success
        echo
	;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload|configtest}"
        exit 2
esac
exit $?