#!/bin/sh
#
# unitd        NGINX Unit
#
# chkconfig:   - 86 14
# description: NGINX Unit

### BEGIN INIT INFO
# Provides: unitd
# Required-Start: $local_fs $network $named $syslog
# Required-Stop: $local_fs $network $named $syslog
# Default-Start:
# Default-Stop: 0 1 2 3 4 5 6
# Short-Description: NGINX Unit
# Description:       NGINX Unit
### END INIT INFO

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

exec="/usr/sbin/unitd"
prog="unitd"
config="/etc/unit/unit.conf"

if [ -n "$2" ]; then
    config=$2
fi

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

lockfile=/var/lock/subsys/$prog

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

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

restart() {
    stop
    start
}

rh_status() {
    status $prog
}

rh_status_q() {
    rh_status &>/dev/null
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload|force-reload)
        echo "Not implemented." >&2
        exit 1
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    saveconfig)
        curl -sS --unix-socket /var/run/control.unit.sock localhost >${config}.new
        if [ $? -ne 0 ]; then
            echo "Could not retreive configuration" >&2
            rm -f ${config}.new
            exit 1
        fi
        mv ${config}.new ${config}
        echo "The following configuration has been saved to ${config}:"
        cat ${config}
        ;;
    loadconfig)
        if [ ! -e ${config} ]; then
            echo "Could not find ${config} for loading" >&2
            exit 1
        fi
        echo "Loading configuration from ${config}..."
        curl -sS -X PUT --data-binary @${config} --unix-socket /var/run/control.unit.sock localhost
        if [ $? -ne 0 ]; then
            echo "Loading failed!" >&2
            exit 1
        fi
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|saveconfig|loadconfig}"
        exit 2
esac
exit $?