#!/bin/sh
#
# uwsgi - Manages uWSGI application container server instances
#
# chkconfig:   - 20 80
# description: uWSGI Emperor for managing uWSGI application container server \
#              instances

### BEGIN INIT INFO
# Provides: uwsgi
# Required-Start: $local_fs $network $remote_fs
# Required-Stop: $local_fs $network $remote_fs
# Should-Start:
# Should-Stop:
# Default-Start:
# Default-Stop: 0 1 2 3 4 5 6
# Short-Description: uWSGI emperor
# Description: uWSGI Emperor for managing uWSGI application container server
#              instances
### END INIT INFO

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

exec="/usr/sbin/uwsgi"
prog="$(basename "$exec")"
config="/etc/uwsgi.ini"

lockfile=/var/lock/subsys/$prog
rundir=/var/run/$prog
pidfile=$rundir/$prog.pid

start() {
    mkdir -p $rundir
    chown uwsgi:uwsgi $rundir
    [ -x $exec ] || exit 5
    [ -f $config ] || exit 6
    echo -n $"Starting $prog: "
    daemon --pidfile=$pidfile $exec --ini /etc/uwsgi.ini 2>/dev/null
    retval=$?
    if [ $retval -eq 0 ]; then
        touch $lockfile
        success
    else
        retval=1
        failure
    fi
    echo
    return $retval
}

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

restart() {
    stop
    start
}

reload() {
    echo -n $"Reloading $prog: "
    killproc -p $pidfile $prog -HUP
    retval=$?
    echo
    return $retval
}

force_reload() {
    restart
}

rh_status() {
    # run checks to determine if the service is running or use generic status
    status $prog
}

rh_status_q() {
    rh_status >/dev/null 2>&1
}


case "$1" in
    start)
        rh_status_q && exit 0
        $1
        ;;
    stop)
        rh_status_q || exit 0
        $1
        ;;
    restart)
        $1
        ;;
    reload)
        rh_status_q || exit 7
        $1
        ;;
    force-reload)
        force_reload
        ;;
    status)
        rh_status
        ;;
    condrestart|try-restart)
        rh_status_q || exit 0
        restart
        ;;
    *)
        echo $"Usage: $0 {start|stop|status|restart|condrestart|try-restart|reload|force-reload}"
        exit 2
esac
exit $?