#!/bin/sh

#

# nginx - this script starts and stops the nginx daemon

#

# chkconfig:   - 85 15

# description:  Nginx is an HTTP(S) server, HTTP(S) reverse \

#               proxy and IMAP/POP3 proxy server

# processname: nginx

# config:      /etc/nginx/nginx.conf

# config:      /etc/sysconfig/nginx

# pidfile:     /var/run/nginx.pid

# Source function library.

. /etc/rc.d/init.d/functions

# Source networking configuration.

. /etc/sysconfig/network

# Check that networking is up.

[ "$NETWORKING" = "no" ] && exit 0

nginx="$sbindir/nginx"

prog=$(basename $nginx)

sysconfig="$sysconfdir/sysconfig/$sclprefix$prog"

lockfile="$localstatedir/lock/subsys/nginx"

pidfile="$localstatedir/run/${prog}/${prog}.pid"

NGINX_CONF_FILE="$sysconfdir/nginx/nginx.conf"

[ -f $sysconfig ] && . $sysconfig

start() {

    [ -x $nginx ] || exit 5

    [ -f $NGINX_CONF_FILE ] || exit 6

    echo -n $"Starting $prog: "

    daemon $nginx -c $NGINX_CONF_FILE

    retval=$?

    echo

    [ $retval -eq 0 ] && touch $lockfile

    return $retval

}

stop() {

    echo -n $"Stopping $prog: "

    killproc -p $pidfile $prog

    retval=$?

    echo

    [ $retval -eq 0 ] && rm -f $lockfile

    return $retval

}

restart() {

    configtest_q || return 6

    stop

    start

}

reload() {

    configtest_q || return 6

    echo -n $"Reloading $prog: "

    killproc -p $pidfile $prog -HUP

    echo

}

configtest() {

    $nginx -t -c $NGINX_CONF_FILE

}

configtest_q() {

    $nginx -t -q -c $NGINX_CONF_FILE

}

rh_status() {

    status $prog

}

rh_status_q() {

    rh_status >/dev/null 2>&1

}

# Upgrade the binary with no downtime.

upgrade() {

    local oldbin_pidfile="${pidfile}.oldbin"

    configtest_q || return 6

    echo -n $"Upgrading $prog: "

    killproc -p $pidfile $prog -USR2

    retval=$?

    sleep 1

    if [[ -f ${oldbin_pidfile} && -f ${pidfile} ]];  then

        killproc -p $oldbin_pidfile $prog -QUIT

        success $"$prog online upgrade"

        echo 

        return 0

    else

        failure $"$prog online upgrade"

        echo

        return 1

    fi

}

# Tell nginx to reopen logs

reopen_logs() {

    configtest_q || return 6

    echo -n $"Reopening $prog logs: "

    killproc -p $pidfile $prog -USR1

    retval=$?

    echo

    return $retval

}

# We have to re-enable SCL environment, because /sbin/service

# clears almost all environment variables.

# Since X_SCLS is cleared as well, we lose information about other

# collections enabled.

source /opt/rh/$sclname/service-environment

source scl_source enable $$upperscl_SCLS_ENABLED

# we want start daemon only inside "scl enable" invocation

if ! scl_enabled $sclname; then

    echo "Collection $sclname has to be listed in /opt/rh/$sclname/service-environment"

    exit 1

fi

case "$1" in

    start)

        rh_status_q && exit 0

        $1

        ;;

    stop)

        rh_status_q || exit 0

        $1

        ;;

    restart|configtest|reopen_logs)

        $1

        ;;

    force-reload|upgrade) 

        rh_status_q || exit 7

        upgrade

        ;;

    reload)

        rh_status_q || exit 7

        $1

        ;;

    status|status_q)

        rh_$1

        ;;

    condrestart|try-restart)

        rh_status_q || exit 7

        restart

	    ;;

    *)

        echo $"Usage: $0 {start|stop|reload|configtest|status|force-reload|upgrade|restart|reopen_logs}"

        exit 2

esac